feat: added complex shape raycasting

README.md

@@ -22,8 +22,6 @@ or based on preferences add the person(s) to the project
 ### What Shapes are planed to be added
 Currently, the list of shapes to be added is pretty simple as the mod is still under development:
 - Pressure Plate
-- Carpet (maybe redundant with Layer)
-- Half Slab (maybe redundant with Layer)
 - Slabs Stair (a stair with one end being of a second theme, might be done in multiple blocks)
 
 Any Ideas feel free to make a suggestion [here](https://github.com/DriHut/ReFramed/issues).

build.gradle

@@ -44,6 +44,7 @@ sourceSets {
 }
 
 loom {
+    accessWidenerPath = file("src/main/resources/reframed.accesswidener")
 	runs {
 		// This adds a new gradle task that runs the datagen API: "gradlew runDatagen"
 		datagen {
@@ -122,7 +123,7 @@ dependencies {
 	modRuntimeOnly "earth.terrarium.chipped:Chipped-fabric-${project.minecraft_version}:3.1.2"
 
 	// Axiom for blueprint support
-	modCompileOnly "maven.modrinth:N6n5dqoA:nvx3oDkz"
+	modCompileOnly "maven.modrinth:N6n5dqoA:YxeYxQyz"
     modCompileOnly "com.github.moulberry:AxiomClientAPI:1.0.5.3"
 
 	// Fabric API.

gradle.properties

@@ -9,7 +9,7 @@ loader_version=0.15.11
 
 # Mod Properties
 modrinth_id = jCpoCBpn
-mod_version = 1.6
+mod_version = 1.6.6
 maven_group = fr.adrien1106
 archives_base_name = ReFramed
 mod_id = reframed

src/main/java/fr/adrien1106/reframed/ReFramed.java

@@ -7,7 +7,6 @@ import fr.adrien1106.reframed.item.ReFramedBlueprintWrittenItem;
 import fr.adrien1106.reframed.item.ReFramedScrewdriverItem;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.itemgroup.v1.FabricItemGroup;
-import net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder;
 import net.minecraft.block.AbstractBlock;
 import net.minecraft.block.Block;
 import net.minecraft.block.Blocks;
@@ -28,23 +27,24 @@ import java.util.stream.Stream;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.LIGHT;
 
 /**
- * TODO Dynamic Ambient Occlusion                                            -> for v1.6
- * TODO add minecraft models like wall fence etc                             -> for v1.6
- * TODO better connected textures                                            -> maybe v1.6 ?
+ * TODO Dynamic Ambient Occlusion                                            -> not scheduled
+ * TODO better connected textures                                            -> not scheduled
  * TODO support continuity overlays                                          -> not scheduled
+ * TODO slopes                                                               -> thinking about it
  */
 public class ReFramed implements ModInitializer {
 	public static final String MODID = "reframed";
 
 	public static final ArrayList<Block> BLOCKS = new ArrayList<>();
-	public static Block
+	public static ReFramedBlock
         CUBE,
         SMALL_CUBE, SMALL_CUBES_STEP,
         STAIR, STAIRS_CUBE,
-        HALF_STAIR, HALF_STAIRS_SLAB, HALF_STAIRS_STAIR,
-        SLAB, SLABS_CUBE,
-        STEP, STEPS_SLAB,
-        LAYER,
+        HALF_STAIR, HALF_STAIRS_SLAB, HALF_STAIRS_STAIR, HALF_STAIRS_CUBE_STAIR, HALF_STAIRS_STEP_STAIR,
+        SLAB, SLABS_CUBE, SLABS_STAIR, SLABS_OUTER_STAIR, SLABS_INNER_STAIR, SLABS_HALF_LAYER, SLABS_LAYER,
+        HALF_SLAB, HALF_SLABS_SLAB,
+        STEP, STEPS_SLAB, STEPS_CROSS, STEPS_HALF_LAYER,
+        LAYER, HALF_LAYER,
         PILLAR, PILLARS_WALL, WALL,
         PANE, TRAPDOOR, DOOR,
         BUTTON,
@@ -62,37 +62,51 @@ public class ReFramed implements ModInitializer {
 	
 	@Override
 	public void onInitialize() {
-		CUBE              = registerBlock("cube"              , new ReFramedBlock(cp(Blocks.OAK_PLANKS)));
-		SMALL_CUBE        = registerBlock("small_cube"        , new ReFramedSmallCubeBlock(cp(Blocks.OAK_PLANKS)));
-	  	SMALL_CUBES_STEP  = registerBlock("small_cubes_step"  , new ReFramedSmallCubesStepBlock(cp(Blocks.OAK_PLANKS)));
-		STAIR             = registerBlock("stair"             , new ReFramedStairBlock(cp(Blocks.OAK_STAIRS)));
-		STAIRS_CUBE       = registerBlock("stairs_cube"       , new ReFramedStairsCubeBlock(cp(Blocks.OAK_STAIRS)));
-		HALF_STAIR        = registerBlock("half_stair"        , new ReFramedHalfStairBlock(cp(Blocks.OAK_STAIRS)));
-		HALF_STAIRS_SLAB  = registerBlock("half_stairs_slab"  , new ReFramedHalfStairsSlabBlock(cp(Blocks.OAK_STAIRS)));
-		HALF_STAIRS_STAIR = registerBlock("half_stairs_stair" , new ReFramedHalfStairsStairBlock(cp(Blocks.OAK_STAIRS)));
-		LAYER             = registerBlock("layer"             , new ReFramedLayerBlock(cp(Blocks.OAK_SLAB)));
-		SLAB              = registerBlock("slab"              , new ReFramedSlabBlock(cp(Blocks.OAK_SLAB)));
-		SLABS_CUBE        = registerBlock("slabs_cube"        , new ReFramedSlabsCubeBlock(cp(Blocks.OAK_SLAB)));
-		STEP              = registerBlock("step"              , new ReFramedStepBlock(cp(Blocks.OAK_SLAB)));
-		STEPS_SLAB        = registerBlock("steps_slab"        , new ReFramedStepsSlabBlock(cp(Blocks.OAK_SLAB)));
-		PILLAR            = registerBlock("pillar"            , new ReFramedPillarBlock(cp(Blocks.OAK_FENCE)));
-		PILLARS_WALL      = registerBlock("pillars_wall"      , new ReFramedPillarsWallBlock(cp(Blocks.OAK_FENCE)));
-		WALL              = registerBlock("wall"              , new ReFramedWallBlock(cp(Blocks.OAK_FENCE)));
-        PANE              = registerBlock("pane"              , new ReFramedPaneBlock(cp(Blocks.OAK_FENCE)));
-        TRAPDOOR          = registerBlock("trapdoor"          , new ReFramedTrapdoorBlock(cp(Blocks.OAK_TRAPDOOR)));
-        DOOR              = registerBlock("door"              , new ReFramedDoorBlock(cp(Blocks.OAK_DOOR)));
-        BUTTON            = registerBlock("button"            , new ReFramedButtonBlock(cp(Blocks.OAK_BUTTON)));
-        POST              = registerBlock("post"              , new ReFramedPostBlock(cp(Blocks.OAK_FENCE)));
-        FENCE             = registerBlock("fence"             , new ReFramedFenceBlock(cp(Blocks.OAK_FENCE)));
-        POST_FENCE        = registerBlock("post_fence"        , new ReFramedPostFenceBlock(cp(Blocks.OAK_FENCE)));
+		CUBE                    = registerBlock("cube"                   , new ReFramedBlock(cp(Blocks.OAK_PLANKS)));
+		SMALL_CUBE              = registerBlock("small_cube"             , new ReFramedSmallCubeBlock(cp(Blocks.OAK_PLANKS)));
+	  	SMALL_CUBES_STEP        = registerBlock("small_cubes_step"       , new ReFramedSmallCubesStepBlock(cp(Blocks.OAK_PLANKS)));
+		STAIR                   = registerBlock("stair"                  , new ReFramedStairBlock(cp(Blocks.OAK_STAIRS)));
+		STAIRS_CUBE             = registerBlock("stairs_cube"            , new ReFramedStairsCubeBlock(cp(Blocks.OAK_STAIRS)));
+		HALF_STAIR              = registerBlock("half_stair"             , new ReFramedHalfStairBlock(cp(Blocks.OAK_STAIRS)));
+		HALF_STAIRS_SLAB        = registerBlock("half_stairs_slab"       , new ReFramedHalfStairsSlabBlock(cp(Blocks.OAK_STAIRS)));
+		HALF_STAIRS_STAIR       = registerBlock("half_stairs_stair"      , new ReFramedHalfStairsStairBlock(cp(Blocks.OAK_STAIRS)));
+        HALF_STAIRS_CUBE_STAIR  = registerBlock("half_stairs_cube_stair" , new ReFramedHalfStairsCubeStairBlock(cp(Blocks.OAK_STAIRS)));
+        HALF_STAIRS_STEP_STAIR  = registerBlock("half_stairs_step_stair" , new ReFramedHalfStairsStepStairBlock(cp(Blocks.OAK_STAIRS)));
+		LAYER                   = registerBlock("layer"                  , new ReFramedLayerBlock(cp(Blocks.OAK_SLAB)));
+        HALF_LAYER              = registerBlock("half_layer"             , new ReFramedHalfLayerBlock(cp(Blocks.OAK_SLAB)));
+		SLAB                    = registerBlock("slab"                   , new ReFramedSlabBlock(cp(Blocks.OAK_SLAB)));
+		SLABS_CUBE              = registerBlock("slabs_cube"             , new ReFramedSlabsCubeBlock(cp(Blocks.OAK_SLAB)));
+        SLABS_STAIR             = registerBlock("slabs_stair"            , new ReFramedSlabsStairBlock(cp(Blocks.OAK_STAIRS)));
+        SLABS_OUTER_STAIR       = registerBlock("slabs_outer_stair"      , new ReFramedSlabsOuterStairBlock(cp(Blocks.OAK_STAIRS)));
+        SLABS_INNER_STAIR       = registerBlock("slabs_inner_stair"      , new ReFramedSlabsInnerStairBlock(cp(Blocks.OAK_STAIRS)));
+        SLABS_HALF_LAYER        = registerBlock("slabs_half_layer"       , new ReFramedSlabsHalfLayerBlock(cp(Blocks.OAK_SLAB)));
+        SLABS_LAYER             = registerBlock("slabs_layer"            , new ReFramedSlabsLayerBlock(cp(Blocks.OAK_SLAB)));
+        HALF_SLAB               = registerBlock("half_slab"              , new ReFramedHalfSlabBlock(cp(Blocks.OAK_SLAB)));
+        HALF_SLABS_SLAB         = registerBlock("half_slabs_slab"        , new ReFramedHalfSlabsSlabBlock(cp(Blocks.OAK_SLAB)));
+		STEP                    = registerBlock("step"                   , new ReFramedStepBlock(cp(Blocks.OAK_SLAB)));
+		STEPS_SLAB              = registerBlock("steps_slab"             , new ReFramedStepsSlabBlock(cp(Blocks.OAK_SLAB)));
+        STEPS_CROSS             = registerBlock("steps_cross"            , new ReFramedStepsCrossBlock(cp(Blocks.OAK_SLAB)));
+        STEPS_HALF_LAYER        = registerBlock("steps_half_layer"       , new ReFramedStepsHalfLayerBlock(cp(Blocks.OAK_SLAB)));
+		PILLAR                  = registerBlock("pillar"                 , new ReFramedPillarBlock(cp(Blocks.OAK_FENCE)));
+		PILLARS_WALL            = registerBlock("pillars_wall"           , new ReFramedPillarsWallBlock(cp(Blocks.OAK_FENCE)));
+		WALL                    = registerBlock("wall"                   , new ReFramedWallBlock(cp(Blocks.OAK_FENCE)));
+        PANE                    = registerBlock("pane"                   , new ReFramedPaneBlock(cp(Blocks.OAK_FENCE)));
+        TRAPDOOR                = registerBlock("trapdoor"               , new ReFramedTrapdoorBlock(cp(Blocks.OAK_TRAPDOOR)));
+        DOOR                    = registerBlock("door"                   , new ReFramedDoorBlock(cp(Blocks.OAK_DOOR)));
+        BUTTON                  = registerBlock("button"                 , new ReFramedButtonBlock(cp(Blocks.OAK_BUTTON)));
+        POST                    = registerBlock("post"                   , new ReFramedPostBlock(cp(Blocks.OAK_FENCE)));
+        FENCE                   = registerBlock("fence"                  , new ReFramedFenceBlock(cp(Blocks.OAK_FENCE)));
+        POST_FENCE              = registerBlock("post_fence"             , new ReFramedPostFenceBlock(cp(Blocks.OAK_FENCE)));
 
-		HAMMER            = registerItem("hammer"             , new ReFramedHammerItem(new Item.Settings().maxCount(1)));
-		SCREWDRIVER       = registerItem("screwdriver"        , new ReFramedScrewdriverItem(new Item.Settings().maxCount(1)));
-		BLUEPRINT         = registerItem("blueprint"          , new ReFramedBlueprintItem(new Item.Settings()));
-		BLUEPRINT_WRITTEN = registerItem("blueprint_written"  , new ReFramedBlueprintWrittenItem(new Item.Settings().maxCount(1)));
+		HAMMER                  = registerItem("hammer"                  , new ReFramedHammerItem(new Item.Settings().maxCount(1)));
+		SCREWDRIVER             = registerItem("screwdriver"             , new ReFramedScrewdriverItem(new Item.Settings().maxCount(1)));
+		BLUEPRINT               = registerItem("blueprint"               , new ReFramedBlueprintItem(new Item.Settings()));
+		BLUEPRINT_WRITTEN       = registerItem("blueprint_written"       , new ReFramedBlueprintWrittenItem(new Item.Settings().maxCount(1)));
+
+        registerBlock("test", new TestBlock(cp(Blocks.OAK_PLANKS).nonOpaque())); // TODO remove
 
 		REFRAMED_BLOCK_ENTITY = Registry.register(Registries.BLOCK_ENTITY_TYPE, id("camo"),
-			FabricBlockEntityTypeBuilder.create(
+            BlockEntityType.Builder.create(
 				(pos, state) -> new ReFramedEntity(REFRAMED_BLOCK_ENTITY, pos, state),
 				BLOCKS.stream()
 					.filter(block -> !(block instanceof ReFramedDoubleBlock))
@@ -100,7 +114,7 @@ public class ReFramed implements ModInitializer {
 		);
 
 		REFRAMED_DOUBLE_BLOCK_ENTITY = Registry.register(Registries.BLOCK_ENTITY_TYPE, id("double_camo"),
-			FabricBlockEntityTypeBuilder.create(
+			BlockEntityType.Builder.create(
 				(pos, state) -> new ReFramedDoubleEntity(REFRAMED_DOUBLE_BLOCK_ENTITY, pos, state),
 				BLOCKS.stream()
 					.filter(block -> block instanceof ReFramedDoubleBlock)

src/main/java/fr/adrien1106/reframed/block/ConnectingReFramedBlock.java

@@ -55,13 +55,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     }
 
     @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(rotation.rotate(dir)), state.get(getConnectionProperty(dir)))
@@ -69,6 +63,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(mirror.apply(dir)), state.get(getConnectionProperty(dir)))
@@ -78,6 +73,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     protected abstract boolean connectsTo(BlockState state, boolean fs, Direction dir);
 
     @Override
+    @SuppressWarnings("deprecation")
     public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
 
     public static BooleanProperty getConnectionProperty(Direction dir) {

src/main/java/fr/adrien1106/reframed/block/CornerDoubleReFramedBlock.java

@@ -0,0 +1,70 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public abstract class CornerDoubleReFramedBlock extends WaterloggableReFramedDoubleBlock {
+
+    public CornerDoubleReFramedBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(CORNER, Corner.NORTH_EAST_DOWN).with(CORNER_FACE, 0));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(CORNER,CORNER_FACE));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        Corner corner = BlockHelper.getPlacementCorner(ctx);
+        return super.getPlacementState(ctx)
+            .with(CORNER, corner)
+            .with(CORNER_FACE, corner.getDirectionIndex(ctx.getSide().getOpposite()));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
+
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        corner = corner.rotate(rotation);
+        return state
+            .with(CORNER, corner)
+            .with(CORNER_FACE, corner.getDirectionIndex(rotation.rotate(face)));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        corner = corner.mirror(mirror);
+        return state
+            .with(CORNER, corner)
+            .with(CORNER_FACE, corner.getDirectionIndex(mirror.apply(face)));
+    }
+
+    @Override
+    public abstract VoxelShape getShape(BlockState state, int i);
+}

src/main/java/fr/adrien1106/reframed/block/EdgeDoubleReFramedBlock.java

@@ -0,0 +1,64 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+
+public abstract class EdgeDoubleReFramedBlock extends WaterloggableReFramedDoubleBlock {
+
+    public EdgeDoubleReFramedBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(EDGE, Edge.NORTH_DOWN).with(EDGE_FACE, 0));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(EDGE, EDGE_FACE));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        Edge edge = BlockHelper.getPlacementEdge(ctx);
+        return super.getPlacementState(ctx)
+            .with(EDGE, edge)
+            .with(EDGE_FACE, edge.getDirectionIndex(ctx.getSide().getOpposite()));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        Edge edge = state.get(EDGE).rotate(rotation);
+        Direction face = state.get(EDGE).getDirection(state.get(EDGE_FACE));
+        return state.with(EDGE, edge).with(EDGE_FACE, edge.getDirectionIndex(rotation.rotate(face)));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        Edge edge = state.get(EDGE).mirror(mirror);
+        Direction face = state.get(EDGE).getDirection(state.get(EDGE_FACE));
+        return state.with(EDGE, edge).with(EDGE_FACE, edge.getDirectionIndex(mirror.apply(face)));
+    }
+
+    @Override
+    public abstract VoxelShape getShape(BlockState state, int i);
+
+}

src/main/java/fr/adrien1106/reframed/block/FacingDoubleReFramedBlock.java

@@ -0,0 +1,57 @@
+package fr.adrien1106.reframed.block;
+
+import net.minecraft.block.AbstractBlock;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static net.minecraft.state.property.Properties.FACING;
+
+public abstract class FacingDoubleReFramedBlock extends WaterloggableReFramedDoubleBlock {
+
+    public FacingDoubleReFramedBlock(AbstractBlock.Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(FACING, Direction.DOWN));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder< Block, BlockState > builder) {
+        super.appendProperties(builder.add(FACING));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        return super.getPlacementState(ctx)
+            .with(FACING, ctx.getSide().getOpposite());
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        return state
+            .with(FACING, rotation.rotate(state.get(FACING)));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        return state.with(FACING, mirror.apply(state.get(FACING)));
+    }
+
+    @Override
+    public abstract VoxelShape getShape(BlockState state, int i);
+
+}

src/main/java/fr/adrien1106/reframed/block/HalfLayerDoubleReFramedBlock.java

@@ -0,0 +1,46 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.item.ItemStack;
+import net.minecraft.loot.context.LootContextParameterSet;
+import net.minecraft.state.StateManager;
+
+import java.util.List;
+
+import static net.minecraft.state.property.Properties.LAYERS;
+
+public abstract class HalfLayerDoubleReFramedBlock extends EdgeDoubleReFramedBlock {
+
+    public HalfLayerDoubleReFramedBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(LAYERS, 1));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
+        List<ItemStack> drops = super.getDroppedStacks(state, builder);
+        if (state.get(LAYERS) > 1)
+            drops.add(new ItemStack(ReFramed.HALF_LAYER, state.get(LAYERS)-1));
+        return drops;
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(LAYERS));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public boolean canReplace(BlockState state, ItemPlacementContext context) {
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+        return block_item.getBlock() == ReFramed.HALF_LAYER && state.get(LAYERS) < 8;
+    }
+}

src/main/java/fr/adrien1106/reframed/block/LayeredReFramedBlock.java

@@ -0,0 +1,64 @@
+package fr.adrien1106.reframed.block;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.item.ItemStack;
+import net.minecraft.loot.context.LootContextParameterSet;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+import static net.minecraft.state.property.Properties.LAYERS;
+
+public abstract class LayeredReFramedBlock extends WaterloggableReFramedBlock {
+
+    public LayeredReFramedBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(LAYERS, 1));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
+        List<ItemStack> drops = super.getDroppedStacks(state, builder);
+        drops.forEach((stack) -> {
+            if (stack.getItem() instanceof BlockItem bi && bi.getBlock() instanceof LayeredReFramedBlock)
+                stack.setCount(state.get(LAYERS));
+        });
+        return drops;
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(LAYERS));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public boolean canReplace(BlockState state, ItemPlacementContext context) {
+        if (context.getPlayer() == null) return false;
+        return !(
+            context.getPlayer().isSneaking()
+                || !(context.getStack().getItem() instanceof BlockItem block_item)
+                || !(block_item.getBlock() == this && state.get(LAYERS) < 8)
+        );
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        BlockState previous = ctx.getWorld().getBlockState(ctx.getBlockPos());
+        if (!previous.isOf(this)) return super.getPlacementState(ctx);
+        return previous.with(LAYERS, previous.get(LAYERS) + 1);
+    }
+}

src/main/java/fr/adrien1106/reframed/block/PillarReFramedBlock.java

@@ -32,14 +32,17 @@ public abstract class PillarReFramedBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(AXIS, mirror.apply(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedBlock.java

@@ -20,6 +20,7 @@ import net.minecraft.util.collection.DefaultedList;
 import net.minecraft.util.hit.BlockHitResult;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.util.shape.VoxelShapes;
 import net.minecraft.world.BlockView;
@@ -59,6 +60,7 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
 		if (!canUse(world, pos, player)) return ActionResult.PASS;
 		ActionResult result = BlockHelper.useUpgrade(state, world, pos, player, hand);
@@ -72,7 +74,10 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
+        if (!new_state.isOf(state.getBlock())) world.removeBlockEntity(pos);
+
 		if(!(new_state.getBlock() instanceof ReFramedBlock) &&
 			world.getBlockEntity(pos) instanceof ReFramedEntity frame_entity &&
 			world.getGameRules().getBoolean(GameRules.DO_TILE_DROPS)
@@ -135,8 +140,22 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 		}
 		onPlaced(world, pos, state, placer, stack);
 	}
+
+    public boolean matchesShape(Vec3d hit, BlockPos pos, BlockState state) {
+        return matchesShape(hit, pos, state, 0);
+    }
+
+    public boolean matchesShape(Vec3d hit, BlockPos pos, BlockState state, int i) {
+        Vec3d rel = BlockHelper.getRelativePos(hit, pos);
+        return matchesShape(rel, getShape(state, i));
+    }
+
+    public boolean matchesShape(Vec3d rel_hit, VoxelShape shape) {
+        return BlockHelper.cursorMatchesFace(shape, rel_hit);
+    }
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
 		return isGhost(view, pos)
 			? VoxelShapes.empty()
@@ -144,12 +163,14 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getCullingShape(BlockState state, BlockView view, BlockPos pos) {
 		return isGhost(view, pos)
 			? VoxelShapes.empty()
 			: super.getCullingShape(state, view, pos);
 	}
 
+    @SuppressWarnings("deprecation")
 	public VoxelShape getShape(BlockState state, int i) {
 		// assuming the shape don't need the world and position
 		return getOutlineShape(state, null, null, null);
@@ -160,11 +181,13 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public int getWeakRedstonePower(BlockState state, BlockView view, BlockPos pos, Direction dir) {
 		return view.getBlockEntity(pos) instanceof ReFramedEntity be && be.emitsRedstone() ? 15 : 0;
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public int getStrongRedstonePower(BlockState state, BlockView view, BlockPos pos, Direction dir) {
 		return getWeakRedstonePower(state, view, pos, dir);
 	}

src/main/java/fr/adrien1106/reframed/block/ReFramedButtonBlock.java

@@ -51,6 +51,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
         return canPlaceAt(world, pos, getDirection(state).getOpposite());
     }
@@ -96,6 +97,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stackMerger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK && !world.isClient() && !(Boolean)state.get(POWERED)) {
             powerOn(state, world, pos);
@@ -120,6 +122,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return BUTTON_VOXELS[
             (state.get(POWERED) ? 12 : 0) +
@@ -129,11 +132,13 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING)));
     }
@@ -144,7 +149,6 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
 
         if(!state.isOf(new_state.getBlock())) {
             if (!moved && state.get(POWERED)) updateNeighbors(state, world, pos);
-            world.removeBlockEntity(pos);
         }
     }
 
@@ -159,16 +163,19 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean emitsRedstonePower(BlockState state) {
         return true;
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void scheduledTick(BlockState state, ServerWorld world, BlockPos pos, Random random) {
         if (state.get(POWERED)) tryPowerWithProjectiles(state, world, pos);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onEntityCollision(BlockState state, World world, BlockPos pos, Entity entity) {
         if (!world.isClient && !state.get(POWERED)) tryPowerWithProjectiles(state, world, pos);
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedDoorBlock.java

@@ -57,6 +57,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
         BlockPos pos_down = pos.down();
         BlockState state_down = world.getBlockState(pos_down);
@@ -64,6 +65,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void neighborUpdate(BlockState state, World world, BlockPos pos, Block source, BlockPos sourcePos, boolean notify) {
         if (world.isClient) return;
         boolean powered = world.isReceivingRedstonePower(pos)
@@ -126,13 +128,6 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
         return super.onBreak(world, pos, state, player);
     }
 
-    @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
     @Override
     public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState other, WorldAccess world, BlockPos pos, BlockPos moved) {
         if (direction.getAxis() == Direction.Axis.Y
@@ -162,6 +157,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return switch (type) {
             case LAND, AIR -> state.get(OPEN);
@@ -170,6 +166,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stack_merger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK
                 && !world.isClient()
@@ -192,6 +189,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         Direction direction = state.get(HORIZONTAL_FACING);
         if (state.get(OPEN)) direction = switch (state.get(DOOR_HINGE)) {
@@ -202,16 +200,19 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return mirror == BlockMirror.NONE ? state : state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING))).cycle(DOOR_HINGE);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public long getRenderingSeed(BlockState state, BlockPos pos) {
         return MathHelper.hashCode(pos.getX(), pos.down(state.get(DOUBLE_BLOCK_HALF) == DoubleBlockHalf.LOWER ? 0 : 1).getY(), pos.getZ());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedDoubleBlock.java

@@ -19,7 +19,6 @@ import net.minecraft.world.World;
 import org.jetbrains.annotations.Nullable;
 
 import static net.minecraft.util.shape.VoxelShapes.empty;
-import static net.minecraft.util.shape.VoxelShapes.fullCube;
 
 public abstract class ReFramedDoubleBlock extends ReFramedBlock {
     public ReFramedDoubleBlock(Settings settings) {
@@ -49,14 +48,6 @@ public abstract class ReFramedDoubleBlock extends ReFramedBlock {
         return 0;
     }
 
-    public boolean matchesShape(Vec3d hit, BlockPos pos, BlockState state, int i) {
-        Vec3d rel = BlockHelper.getRelativePos(hit, pos);
-        return BlockHelper.cursorMatchesFace(
-            getShape(state, i),
-            rel
-        );
-    }
-
     @Override
     public boolean isTransparent(BlockState state, BlockView world, BlockPos pos) {
         return world.getBlockEntity(pos) instanceof ThemeableBlockEntity framed_entity
@@ -69,7 +60,7 @@ public abstract class ReFramedDoubleBlock extends ReFramedBlock {
 
     @Override
     public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty() : fullCube();
+        return isGhost(view, pos) ? empty() : getOutlineShape(state, view, pos, ctx);
     }
 
     @Override

src/main/java/fr/adrien1106/reframed/block/ReFramedDoubleEntity.java

@@ -57,6 +57,6 @@ public class ReFramedDoubleEntity extends ReFramedEntity {
     public void writeNbt(NbtCompound nbt) {
         super.writeNbt(nbt);
 
-        if(second_state != Blocks.AIR.getDefaultState()) nbt.put(BLOCKSTATE_KEY + 2, NbtHelper.fromBlockState(second_state));
+        nbt.put(BLOCKSTATE_KEY + 2, NbtHelper.fromBlockState(second_state));
     }
 }

src/main/java/fr/adrien1106/reframed/block/ReFramedEntity.java

@@ -52,16 +52,15 @@ public class ReFramedEntity extends BlockEntity implements ThemeableBlockEntity
 		if (nbt.contains(BITFIELD_KEY)) bit_field = nbt.getByte(BITFIELD_KEY);
 		
 		// Force a chunk remesh on the client if the displayed blockstate has changed
-		if(world != null && world.isClient && !Objects.equals(rendered_state, first_state)) {
+		if(world != null && world.isClient && !Objects.equals(rendered_state, first_state))
 			ReFramed.chunkRerenderProxy.accept(world, pos);
-		}
 	}
 	
 	@Override
 	public void writeNbt(NbtCompound nbt) {
 		super.writeNbt(nbt);
-		
-		if(first_state != Blocks.AIR.getDefaultState()) nbt.put(BLOCKSTATE_KEY + 1, NbtHelper.fromBlockState(first_state));
+
+		nbt.put(BLOCKSTATE_KEY + 1, NbtHelper.fromBlockState(first_state));
 		if(bit_field != SOLIDITY_MASK) nbt.putByte(BITFIELD_KEY, bit_field);
 	}
 
@@ -113,7 +112,7 @@ public class ReFramedEntity extends BlockEntity implements ThemeableBlockEntity
 	}
 
 	public void setTheme(BlockState new_state, int i) {
-		if(!Objects.equals(first_state, new_state)) {
+		if(!Objects.equals(first_state, new_state) && i == 1) {
 			first_state = new_state;
 			markDirtyAndDispatch();
 		}

src/main/java/fr/adrien1106/reframed/block/ReFramedFenceBlock.java

@@ -56,6 +56,7 @@ public class ReFramedFenceBlock extends ConnectingReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getCameraCollisionShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getOutlineShape(state, world, pos, context);
     }
@@ -66,10 +67,12 @@ public class ReFramedFenceBlock extends ConnectingReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return false;
     }
 
+    @Override
     public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
         ActionResult result = super.onUse(state, world, pos, player, hand, hit);
         if (result.isAccepted()) return result;

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfLayerBlock.java

@@ -0,0 +1,188 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.util.VoxelHelper;
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Map;
+
+import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static net.minecraft.state.property.Properties.*;
+
+public class ReFramedHalfLayerBlock extends LayeredReFramedBlock {
+
+    public static final VoxelShape[] HALF_LAYER_VOXELS;
+
+    public ReFramedHalfLayerBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(EDGE, Edge.NORTH_DOWN).with(EDGE_FACE, 0));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(EDGE, EDGE_FACE));
+    }
+
+    @Override
+    public boolean canReplace(BlockState state, ItemPlacementContext context) {
+        if (super.canReplace(state, context)) return true;
+
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        Edge edge = state.get(EDGE);
+        Direction face = edge.getDirection(state.get(EDGE_FACE));
+        if (block_item.getBlock() == ReFramed.SLAB)
+            return ReFramed.SLAB
+                .matchesShape(
+                    context.getHitPos(),
+                    context.getBlockPos(),
+                    ReFramed.SLAB.getDefaultState().with(FACING, edge.getOtherDirection(face).getOpposite())
+                );
+
+        if (block_item.getBlock() == ReFramed.STEP)
+            return ReFramed.STEP
+                .matchesShape(
+                    context.getHitPos(),
+                    context.getBlockPos(),
+                    ReFramed.STEP.getDefaultState().with(EDGE, edge.getOpposite(face))
+                );
+
+        return false;
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getHalfLayerShape(
+            state.get(EDGE),
+            state.get(EDGE_FACE),
+            state.get(LAYERS)
+        );
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        BlockState previous = ctx.getWorld().getBlockState(ctx.getBlockPos());
+        BlockState state = super.getPlacementState(ctx);
+
+        if (previous.isOf(this))
+            return state;
+
+        if (previous.isOf(ReFramed.SLABS_HALF_LAYER) || previous.isOf(ReFramed.STEPS_HALF_LAYER))
+            return previous.with(LAYERS, Math.min(8, previous.get(LAYERS) + 1));
+
+        if (previous.isOf(ReFramed.SLAB)) {
+            Direction face = previous.get(FACING);
+            Edge edge;
+            if (face.getAxis() == ctx.getSide().getAxis()) {
+                edge = BlockHelper.getPlacementEdge(ctx);
+                if (face == ctx.getSide()) edge = edge.getOpposite(edge.getOtherDirection(ctx.getSide()));
+            } else edge = Edge.getByDirections(face, ctx.getSide().getOpposite());
+
+            return ReFramed.SLABS_HALF_LAYER.getDefaultState()
+                .with(EDGE, edge)
+                .with(EDGE_FACE, edge.getDirectionIndex(face))
+                .with(WATERLOGGED, previous.get(WATERLOGGED));
+        }
+
+        if (previous.isOf(ReFramed.STEP)) {
+            int face_index = 0;
+            Edge edge = previous.get(EDGE);
+            if (!ReFramed.STEP.matchesShape(
+                ctx.getHitPos(),
+                ctx.getBlockPos(),
+                ReFramed.STEP.getDefaultState().with(EDGE, edge.getOpposite(1))
+            )) face_index = 1;
+            return ReFramed.STEPS_HALF_LAYER.getDefaultState()
+                .with(EDGE, edge)
+                .with(EDGE_FACE, face_index)
+                .with(WATERLOGGED, previous.get(WATERLOGGED));
+        }
+
+        Edge edge = BlockHelper.getPlacementEdge(ctx);
+        return state.with(EDGE, edge).with(EDGE_FACE, edge.getDirectionIndex(ctx.getSide().getOpposite()));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        Edge edge = state.get(EDGE);
+        Direction face = rotation.rotate(edge.getDirection(state.get(EDGE_FACE)));
+        edge = edge.rotate(rotation);
+        return state.with(EDGE, edge).with(EDGE_FACE, edge.getDirectionIndex(face));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        Edge edge = state.get(EDGE);
+        Direction face = mirror.apply(edge.getDirection(state.get(EDGE_FACE)));
+        edge = edge.mirror(mirror);
+        return state.with(EDGE, edge).with(EDGE_FACE, edge.getDirectionIndex(face));
+    }
+
+    @Override
+    public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
+        if (new_state.isOf(ReFramed.SLABS_HALF_LAYER)
+            || new_state.isOf(ReFramed.STEPS_HALF_LAYER)
+        ) return Map.of(1, 2);
+        return super.getThemeMap(state, new_state);
+    }
+
+    public static VoxelShape getHalfLayerShape(Edge edge, int face, int layer) {
+        return HALF_LAYER_VOXELS[edge.ordinal() * 16 + face * 8 + layer - 1];
+    }
+
+    static {
+        VoxelListBuilder builder = VoxelListBuilder.create(createCuboidShape(0, 0, 0, 16, 8, 2), 192)
+            .add(createCuboidShape(0, 0, 0, 16, 8, 4))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 6))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 8))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 10))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 12))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 14))
+            .add(createCuboidShape(0, 0, 0, 16, 8, 16));
+
+        for (int i = 0; i < 8; i++) {
+            builder.add(i, VoxelHelper::rotateCX, VoxelHelper::mirrorZ);
+        }
+        for (int i = 0; i < 48; i++) {
+            builder.add(i, VoxelHelper::rotateCX);
+        }
+        for (int i = 0; i < 64; i++) {
+            builder.add(i, VoxelHelper::rotateCY);
+        }
+        for (int i = 64; i < 80; i++) {
+            builder.add(i, VoxelHelper::rotateX);
+        }
+        for (int i = 80; i < 96; i++) {
+            builder.add(i, VoxelHelper::rotateX);
+        }
+        for (int i = 96; i < 112; i++) {
+            builder.add(i, VoxelHelper::rotateX);
+        }
+        for (int i = 112; i < 128; i++) {
+            builder.add(i, VoxelHelper::rotateX);
+        }
+
+        HALF_LAYER_VOXELS = builder.build();
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfSlabBlock.java

@@ -0,0 +1,86 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.util.VoxelHelper;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Map;
+
+import static net.minecraft.state.property.Properties.*;
+
+public class ReFramedHalfSlabBlock extends ReFramedSlabBlock {
+
+    public static VoxelShape[] HALF_SLAB_SHAPES;
+
+	public ReFramedHalfSlabBlock(Settings settings) {
+		super(settings);
+	}
+
+	@Override
+	public boolean canReplace(BlockState state, ItemPlacementContext context) {
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        // allow replacing with slab, step, small cube and half stair
+        Block block = block_item.getBlock();
+        if (block != this) return false;
+
+        // check if the player is clicking on the inner part of the block
+		return ReFramed.HALF_SLABS_SLAB
+            .matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.HALF_SLABS_SLAB.getDefaultState().with(FACING, state.get(FACING)),
+                2
+            );
+	}
+
+	@Nullable
+	@Override
+	public BlockState getPlacementState(ItemPlacementContext ctx) {
+		BlockState current_state = ctx.getWorld().getBlockState(ctx.getBlockPos());
+
+		if (current_state.isOf(this))
+			return ReFramed.HALF_SLABS_SLAB.getDefaultState()
+				.with(FACING, current_state.get(FACING))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+
+		return super.getPlacementState(ctx).with(FACING, ctx.getSide().getOpposite());
+	}
+
+	@Override
+	public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+		return getHalfSlabShape(state.get(FACING));
+	}
+
+    public static VoxelShape getHalfSlabShape(Direction direction) {
+        return HALF_SLAB_SHAPES[direction.getId()];
+    }
+
+    @Override
+	public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
+        if (new_state.isOf(ReFramed.HALF_SLABS_SLAB)) return Map.of(1, 1);
+		return super.getThemeMap(state, new_state);
+	}
+
+    static {
+        HALF_SLAB_SHAPES = VoxelHelper.VoxelListBuilder.create(createCuboidShape(0, 0, 0, 16, 4, 16),6)
+            .add(createCuboidShape(0, 12, 0, 16, 16, 16))
+            .add(createCuboidShape(0, 0, 0, 16, 16, 4))
+            .add(createCuboidShape(0, 0, 12, 16, 16, 16))
+            .add(createCuboidShape(0, 0, 0, 4, 16, 16))
+            .add(createCuboidShape(12, 0, 0, 16, 16, 16))
+            .build();
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfSlabsSlabBlock.java

@@ -0,0 +1,45 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.VoxelHelper;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfSlabBlock.getHalfSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static net.minecraft.state.property.Properties.FACING;
+
+public class ReFramedHalfSlabsSlabBlock extends FacingDoubleReFramedBlock {
+
+    public static VoxelShape[] HALF_SLAB_COMP_SHAPES;
+
+    public ReFramedHalfSlabsSlabBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getSlabShape(state.get(FACING));
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Direction face = state.get(FACING);
+        return i == 2
+            ? HALF_SLAB_COMP_SHAPES[face.getId()]
+            : getHalfSlabShape(face);
+    }
+
+    static {
+        HALF_SLAB_COMP_SHAPES = VoxelHelper.VoxelListBuilder.create(createCuboidShape(0, 4, 0, 16, 8, 16),6)
+            .add(createCuboidShape(0, 8, 0, 16, 12, 16))
+            .add(createCuboidShape(0, 0, 4, 16, 16, 8))
+            .add(createCuboidShape(0, 0, 8, 16, 16, 12))
+            .add(createCuboidShape(4, 0, 0, 8, 16, 16))
+            .add(createCuboidShape(8, 0, 0, 12, 16, 16))
+            .build();
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairBlock.java

@@ -25,6 +25,7 @@ import java.util.Map;
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
 import static fr.adrien1106.reframed.util.blocks.Corner.*;
+import static net.minecraft.state.property.Properties.FACING;
 import static net.minecraft.state.property.Properties.WATERLOGGED;
 
 public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
@@ -42,39 +43,44 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
-        if (context.getPlayer() == null) return false;
-        Direction dir = state.get(CORNER).getDirection(state.get(CORNER_FACE));
-        return !(
-            context.getPlayer().isSneaking()
-                || !(context.getStack().getItem() instanceof BlockItem block_item)
-                || (
-                    !(
-                        block_item.getBlock() == this
-                        && ((ReFramedHalfStairsStairBlock) ReFramed.HALF_STAIRS_STAIR)
-                            .matchesShape(
-                                context.getHitPos(),
-                                context.getBlockPos(),
-                                ReFramed.HALF_STAIRS_STAIR.getDefaultState()
-                                    .with(EDGE, state.get(CORNER).getEdge(dir)),
-                                dir.getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                            )
-                    )
-                    && !(
-                        block_item.getBlock() == ReFramed.SMALL_CUBE
-                        && BlockHelper.cursorMatchesFace(
-                            ReFramed.SMALL_CUBE.getOutlineShape(
-                                ReFramed.SMALL_CUBE.getDefaultState()
-                                    .with(CORNER, state.get(CORNER).getOpposite(state.get(CORNER_FACE))),
-                                context.getWorld(),
-                                context.getBlockPos(),
-                                ShapeContext.absent()
-                            ),
-                            BlockHelper.getRelativePos(context.getHitPos(), context.getBlockPos())
-                        )
-                    )
-                )
-        );
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        // allow replacing with slab, step, small cube and half stair
+        Block block = block_item.getBlock();
+        Corner corner = state.get(CORNER);
+        Direction dir = corner.getDirection(state.get(CORNER_FACE));
+        if (block == this || block == ReFramed.STEP)
+            return ReFramed.HALF_STAIRS_STAIR.matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.HALF_STAIRS_STAIR.getDefaultState().with(EDGE, corner.getEdge(dir)),
+                dir.getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
+            );
+
+        if (block == ReFramed.SMALL_CUBE)
+            return ReFramed.SMALL_CUBE.matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.SMALL_CUBE.getDefaultState().with(CORNER, corner.change(dir))
+            ) || ReFramed.SMALL_CUBE.matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.SMALL_CUBE.getDefaultState().with(CORNER, corner.getOpposite(dir))
+            );
+
+        if (block == ReFramed.SLAB)
+            return ReFramed.SLAB.matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.SLAB.getDefaultState().with(FACING, dir.getOpposite())
+            );
+
+        return false;
     }
 
     @Override
@@ -92,6 +98,15 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
             return ReFramed.HALF_STAIRS_STAIR.getDefaultState()
                 .with(EDGE, current_state.get(CORNER).getEdge(current_state.get(CORNER).getDirection(current_state.get(CORNER_FACE))))
                 .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        if (current_state.isOf(ReFramed.SLAB)) {
+            Corner corner = BlockHelper.getPlacementCorner(ctx);
+            Direction face = current_state.get(FACING);
+            if (!corner.hasDirection(face)) corner = corner.change(face.getOpposite());
+            return ReFramed.SLABS_INNER_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, corner.getDirectionIndex(face))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
 
         Corner corner = BlockHelper.getPlacementCorner(ctx);
         return super.getPlacementState(ctx)
@@ -100,11 +115,13 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
-        return HALF_STAIR_VOXELS[state.get(CORNER_FACE) + state.get(CORNER).getID() * 3];
+        return getHalfStairShape(state.get(CORNER), state.get(CORNER_FACE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Corner corner = state.get(CORNER).rotate(rotation);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -112,6 +129,7 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Corner corner = state.get(CORNER).mirror(mirror);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -120,7 +138,11 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
 
     @Override
     public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
-        if (new_state.isOf(ReFramed.HALF_STAIRS_SLAB)) return Map.of(1, 1);
+        if (new_state.isOf(ReFramed.HALF_STAIRS_SLAB)
+            || new_state.isOf(ReFramed.HALF_STAIRS_CUBE_STAIR)
+            || new_state.isOf(ReFramed.HALF_STAIRS_STEP_STAIR)
+        ) return Map.of(1, 1);
+        if (new_state.isOf(ReFramed.SLABS_INNER_STAIR)) return Map.of(1, 2);
         if (new_state.isOf(ReFramed.HALF_STAIRS_STAIR))
             return Map.of(
                 1,
@@ -131,6 +153,10 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
         return super.getThemeMap(state, new_state);
     }
 
+    public static VoxelShape getHalfStairShape(Corner corner, int face) {
+        return HALF_STAIR_VOXELS[face + corner.getID() * 3];
+    }
+
     static {
         final VoxelShape HALF_STAIR = VoxelShapes.combineAndSimplify(
             createCuboidShape(8, 0, 0, 16, 16, 8),

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsCubeStairBlock.java

@@ -0,0 +1,48 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
+import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.getSmallCubeShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public class ReFramedHalfStairsCubeStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedHalfStairsCubeStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        Edge edge = corner.getEdge(face);
+        return getStairShape(
+            edge,
+            face.getDirection() == Direction.AxisDirection.POSITIVE
+            ? StairShape.OUTER_LEFT
+            : StairShape.OUTER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        if (i == 2) corner = corner.change(face);
+        return i == 2
+            ? getSmallCubeShape(corner)
+            : getHalfStairShape(corner, state.get(CORNER_FACE));
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsSlabBlock.java

@@ -15,13 +15,12 @@ import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.BlockView;
 import org.jetbrains.annotations.Nullable;
 
-import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.HALF_STAIR_VOXELS;
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
 import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
-import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.SMALL_CUBE_VOXELS;
+import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.getSmallCubeShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
 import static fr.adrien1106.reframed.util.blocks.Corner.NORTH_EAST_DOWN;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -44,16 +43,13 @@ public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty(): getSlabShape(state.get(CORNER).getDirection(state.get(CORNER_FACE)));
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getSlabShape(state.get(CORNER).getDirection(state.get(CORNER_FACE)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Corner corner = state.get(CORNER).rotate(rotation);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -61,6 +57,7 @@ public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Corner corner = state.get(CORNER).mirror(mirror);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -72,7 +69,7 @@ public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBloc
         Corner corner = state.get(CORNER);
         int face = state.get(CORNER_FACE);
         return i == 2
-            ? SMALL_CUBE_VOXELS[corner.getOpposite(face).getID()]
-            : HALF_STAIR_VOXELS[face + corner.getID() * 3];
+            ? getSmallCubeShape(corner.getOpposite(face))
+            : getHalfStairShape(corner, face);
     }
 }

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsStairBlock.java

@@ -17,11 +17,10 @@ import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.BlockView;
 import org.jetbrains.annotations.Nullable;
 
-import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.HALF_STAIR_VOXELS;
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
 import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
 import static fr.adrien1106.reframed.util.blocks.Edge.*;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedHalfStairsStairBlock extends WaterloggableReFramedDoubleBlock {
     public ReFramedHalfStairsStairBlock(Settings settings) {
@@ -41,21 +40,19 @@ public class ReFramedHalfStairsStairBlock extends WaterloggableReFramedDoubleBlo
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty(): getStairShape(state.get(EDGE), StairShape.STRAIGHT);
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStairShape(state.get(EDGE), StairShape.STRAIGHT);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }
@@ -72,7 +69,7 @@ public class ReFramedHalfStairsStairBlock extends WaterloggableReFramedDoubleBlo
             side
 
         );
-        return HALF_STAIR_VOXELS[corner.getID() * 3 + corner.getDirectionIndex(side)];
+        return getHalfStairShape(corner, corner.getDirectionIndex(side));
     }
 
     @Override

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsStepStairBlock.java

@@ -0,0 +1,76 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
+
+public class ReFramedHalfStairsStepStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedHalfStairsStepStairBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(CORNER_FEATURE, 0));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(CORNER_FEATURE));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        BlockState state = super.getPlacementState(ctx);
+        Corner corner = state.get(CORNER);
+        int face_index = state.get(CORNER_FACE);
+        Direction face = corner.getDirection(face_index);
+        face = BlockHelper.getPlacementEdge(ctx).getOtherDirection(face);
+        int feature_index = corner.getDirectionIndex(face);
+        return state.with(CORNER_FEATURE, feature_index > face_index ? feature_index - 1 : feature_index);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        int feature_index = state.get(CORNER_FEATURE), face_index = state.get(CORNER_FACE);
+        Direction feature_face = corner.getDirection(feature_index >= face_index ? feature_index + 1 : feature_index);
+        Direction face = corner.getDirection(face_index);
+        Edge edge = Edge.getByDirections(feature_face, face);
+        return getStairShape(
+            edge,
+            corner.getOtherDirection(edge).getDirection() == Direction.AxisDirection.POSITIVE
+            ? edge.getDirectionIndex(face) == 0
+                ? StairShape.FIRST_OUTER_LEFT
+                : StairShape.SECOND_OUTER_LEFT
+            : edge.getDirectionIndex(face) == 0
+                ? StairShape.FIRST_OUTER_RIGHT
+                : StairShape.SECOND_OUTER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        int feature_index = state.get(CORNER_FEATURE), face_index = state.get(CORNER_FACE);
+        Direction feature_face = corner.getDirection(feature_index >= face_index ? feature_index + 1 : feature_index);
+        Direction face = corner.getDirection(face_index);
+        return i == 2
+            ? getStepShape(Edge.getByDirections(face.getOpposite(), feature_face))
+            : getHalfStairShape(corner, face_index);
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedLayerBlock.java

@@ -1,79 +1,72 @@
 package fr.adrien1106.reframed.block;
 
+import fr.adrien1106.reframed.ReFramed;
 import fr.adrien1106.reframed.util.VoxelHelper;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.ShapeContext;
-import net.minecraft.item.BlockItem;
 import net.minecraft.item.ItemPlacementContext;
-import net.minecraft.item.ItemStack;
-import net.minecraft.loot.context.LootContextParameterSet;
 import net.minecraft.state.StateManager;
 import net.minecraft.util.BlockMirror;
 import net.minecraft.util.BlockRotation;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.BlockView;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.List;
-
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
-import static net.minecraft.state.property.Properties.FACING;
-import static net.minecraft.state.property.Properties.LAYERS;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.HALF_LAYERS;
+import static net.minecraft.state.property.Properties.*;
 
-public class ReFramedLayerBlock extends ReFramedSlabBlock {
+public class ReFramedLayerBlock extends LayeredReFramedBlock {
 
     public static final VoxelShape[] LAYER_VOXELS;
 
     public ReFramedLayerBlock(Settings settings) {
         super(settings);
-        setDefaultState(getDefaultState().with(LAYERS, 1));
-    }
-
-    @Override
-    public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
-        List<ItemStack> drops = super.getDroppedStacks(state, builder);
-        drops.forEach((stack) -> {
-            if (stack.getItem() instanceof BlockItem bi && bi.getBlock() instanceof ReFramedLayerBlock)
-                stack.setCount(state.get(LAYERS));
-        });
-        return drops;
+        setDefaultState(getDefaultState().with(FACING, Direction.DOWN));
     }
 
     @Override
     protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
-        super.appendProperties(builder.add(LAYERS));
+        super.appendProperties(builder.add(FACING));
     }
 
     @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
-        return LAYER_VOXELS[state.get(FACING).getId() * 8 + state.get(LAYERS) - 1];
+        return getLayerShape(state.get(FACING), state.get(LAYERS));
     }
 
-    @Override
-    public boolean canReplace(BlockState state, ItemPlacementContext context) {
-        if (context.getPlayer() == null) return false;
-        return !(
-            context.getPlayer().isSneaking()
-            || !(context.getStack().getItem() instanceof BlockItem block_item)
-            || !(block_item.getBlock() == this && state.get(LAYERS) < 8)
-        );
+    public static VoxelShape getLayerShape(Direction facing, int layers) {
+        return LAYER_VOXELS[facing.getId() * 8 + layers - 1];
     }
 
     @Override
     public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
         BlockState previous = ctx.getWorld().getBlockState(ctx.getBlockPos());
-        if (!previous.isOf(this)) return super.getPlacementState(ctx);
-        return previous.with(LAYERS, previous.get(LAYERS) + 1);
+        BlockState state = super.getPlacementState(ctx);
+        if (previous.isOf(this)) return state;
+
+        if (previous.isOf(ReFramed.SLAB))
+            return ReFramed.SLABS_LAYER.getDefaultState()
+                .with(FACING, previous.get(FACING))
+                .with(WATERLOGGED, previous.get(WATERLOGGED));
+
+        if (previous.isOf(ReFramed.SLABS_LAYER))
+            return previous.with(HALF_LAYERS, previous.get(HALF_LAYERS) + 1);
+
+        return state.with(FACING, ctx.getSide().getOpposite());
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(FACING, rotation.rotate(state.get(FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(FACING, mirror.apply(state.get(FACING)));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedPillarsWallBlock.java

@@ -71,13 +71,6 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
         return getWallState(state, top_state, neighbors, top_shape, fs, world, pos);
     }
 
-    @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
     @Override
     public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
         if (isGhost(view, pos)) return empty();
@@ -95,6 +88,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = WALL_VOXELS[0];
         for (Direction dir: Direction.Type.HORIZONTAL) {
@@ -106,6 +100,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
             s.with(getWallShape(rotation.rotate(dir)), state.get(getWallShape(dir)))
@@ -113,6 +108,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(mirror.apply(dir)), state.get(getWallShape(dir)))

src/main/java/fr/adrien1106/reframed/block/ReFramedPostFenceBlock.java

@@ -49,13 +49,6 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
         super.appendProperties(builder.add(EAST, NORTH, SOUTH, WEST));
     }
 
-    @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
     @Override
     public BlockState getStateForNeighborUpdate(BlockState state, Direction dir, BlockState other_state, WorldAccess world, BlockPos pos, BlockPos moved) {
         BlockState new_state = super.getStateForNeighborUpdate(state, dir, other_state, world, pos, moved);
@@ -74,6 +67,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(rotation.rotate(dir)), state.get(getConnectionProperty(dir)))
@@ -81,6 +75,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(mirror.apply(dir)), state.get(getConnectionProperty(dir)))
@@ -104,6 +99,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = FENCE_VOXELS[0];
         for (Direction dir: Direction.Type.HORIZONTAL) {
@@ -124,6 +120,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getCameraCollisionShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getOutlineShape(state, world, pos, context);
     }
@@ -134,6 +131,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return false;
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabBlock.java

@@ -1,6 +1,9 @@
 package fr.adrien1106.reframed.block;
 
 import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.ShapeContext;
@@ -18,8 +21,8 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.Map;
 
-import static net.minecraft.state.property.Properties.AXIS;
-import static net.minecraft.state.property.Properties.FACING;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
+import static net.minecraft.state.property.Properties.*;
 
 public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 
@@ -41,46 +44,134 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public boolean canReplace(BlockState state, ItemPlacementContext context) {
-        if (context.getPlayer() == null) return false;
-		return !(
-			context.getPlayer().isSneaking()
-			|| !(context.getStack().getItem() instanceof BlockItem block_item)
-			|| !(
-				block_item.getBlock() == this
-				&& ((ReFramedSlabsCubeBlock) ReFramed.SLABS_CUBE)
-					.matchesShape(
-						context.getHitPos(),
-						context.getBlockPos(),
-						ReFramed.SLABS_CUBE.getDefaultState().with(AXIS, state.get(FACING).getAxis()),
-						state.get(FACING).getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-					)
-			)
-		);
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        // allow replacing with slab, step, small cube and half stair
+        Block block = block_item.getBlock();
+        if (block != this
+            && block != ReFramed.STEP
+            && block != ReFramed.SMALL_CUBE
+            && block != ReFramed.HALF_STAIR
+            && block != ReFramed.HALF_LAYER
+            && block != ReFramed.LAYER
+        ) return false;
+
+        // check if the player is clicking on the inner part of the block
+		return matchesShape(
+            context.getHitPos(),
+            context.getBlockPos(),
+            state.with(FACING, state.get(FACING).getOpposite())
+        );
 	}
 
 	@Nullable
 	@Override
 	public BlockState getPlacementState(ItemPlacementContext ctx) {
 		BlockState current_state = ctx.getWorld().getBlockState(ctx.getBlockPos());
+
 		if (current_state.isOf(this))
 			return ReFramed.SLABS_CUBE.getDefaultState()
 				.with(AXIS, current_state.get(FACING).getAxis());
 
+        if (current_state.isOf(ReFramed.HALF_LAYER)) {
+            Edge edge = current_state.get(EDGE);
+            Direction face = edge.getDirection(current_state.get(EDGE_FACE));
+            edge = edge.getOpposite(face);
+            return ReFramed.SLABS_HALF_LAYER.getDefaultState()
+                .with(EDGE, edge)
+                .with(EDGE_FACE, edge.getDirectionIndex(edge.getOtherDirection(face)))
+                .with(LAYERS, current_state.get(LAYERS))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
+        if (current_state.isOf(ReFramed.HALF_STAIR)) {
+            Corner corner = current_state.get(CORNER);
+            Direction face = corner.getDirection(current_state.get(CORNER_FACE));
+            corner = corner.change(face);
+            return ReFramed.SLABS_INNER_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, corner.getDirectionIndex(face.getOpposite()))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
+        if (current_state.isOf(ReFramed.STEP)) {
+            Edge edge = current_state.get(EDGE),
+                placed = BlockHelper.getPlacementEdge(ctx),
+                new_edge;
+            Direction face = edge.getFirstDirection(),
+                other = edge.getSecondDirection().getOpposite();
+
+            if (!ReFramed.STEP.matchesShape(
+                    ctx.getHitPos(),
+                    ctx.getBlockPos(),
+                    current_state.with(EDGE, new_edge = edge.getOpposite(face))
+                )
+                && ctx.getSide() != other.getOpposite()
+                && (placed.getAxis() == edge.getAxis()
+                || ctx.getSide() == other
+                || !placed.hasDirection(other))
+            ) {
+                new_edge = edge.getOpposite(edge.getSecondDirection());
+                other = edge.getFirstDirection().getOpposite();
+            }
+
+            return ReFramed.SLABS_STAIR.getDefaultState()
+                .with(EDGE, new_edge)
+                .with(EDGE_FACE, new_edge.getDirectionIndex(other))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
+        if (current_state.isOf(ReFramed.SMALL_CUBE)) {
+            Corner corner = current_state.get(CORNER);
+            Edge placed = BlockHelper.getPlacementEdge(ctx);
+            Direction face;
+            Corner new_corner;
+
+            if (!corner.hasDirection(face = ctx.getSide())) {
+                int i = 0;
+                do {
+                    face = corner.getDirection(i);
+                    new_corner = corner.change(face);
+                } while (!ReFramed.SMALL_CUBE.matchesShape(
+                    ctx.getHitPos(),
+                    ctx.getBlockPos(),
+                    current_state.with(CORNER, new_corner)
+                ) && ++i < 3);
+
+                if (i == 3) {
+                    face = placed.getOtherDirection(corner.getMatchingDirection(placed)).getOpposite();
+                    new_corner = corner.change(face);
+                }
+            } else new_corner = corner.change(face);
+
+            return ReFramed.SLABS_OUTER_STAIR.getDefaultState()
+                .with(CORNER, new_corner)
+                .with(CORNER_FACE, new_corner.getDirectionIndex(face.getOpposite()))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
 		return super.getPlacementState(ctx).with(FACING, ctx.getSide().getOpposite());
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
 		return getSlabShape(state.get(FACING));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState rotate(BlockState state, BlockRotation rotation) {
 		return state.with(FACING, rotation.rotate(state.get(FACING)));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState mirror(BlockState state, BlockMirror mirror) {
 		return state.with(FACING, mirror.apply(state.get(FACING)));
 	}
@@ -98,6 +189,11 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 
 	@Override
 	public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
+        if (new_state.isOf(ReFramed.SLABS_STAIR)
+            || new_state.isOf(ReFramed.SLABS_OUTER_STAIR)
+            || new_state.isOf(ReFramed.SLABS_INNER_STAIR)
+            || new_state.isOf(ReFramed.SLABS_HALF_LAYER)
+        ) return Map.of(1, 1);
 		if (new_state.isOf(ReFramed.SLABS_CUBE)) return Map.of(1, state.get(FACING).getDirection() == Direction.AxisDirection.POSITIVE ? 2 : 1);
 		return super.getThemeMap(state, new_state);
 	}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsCubeBlock.java

@@ -11,7 +11,6 @@ import net.minecraft.util.shape.VoxelShape;
 import org.jetbrains.annotations.Nullable;
 
 import static fr.adrien1106.reframed.block.ReFramedSlabBlock.*;
-import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
 import static net.minecraft.state.property.Properties.AXIS;
 
 public class ReFramedSlabsCubeBlock extends ReFramedDoubleBlock {
@@ -33,11 +32,13 @@ public class ReFramedSlabsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(AXIS, mirror.apply(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsHalfLayerBlock.java

@@ -0,0 +1,62 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.function.BooleanBiFunction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfLayerBlock.getHalfLayerShape;
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static net.minecraft.state.property.Properties.LAYERS;
+
+public class ReFramedSlabsHalfLayerBlock extends HalfLayerDoubleReFramedBlock {
+
+    private static final VoxelShape[] SLABS_HALF_LAYER_VOXELS = new VoxelShape[196];
+
+    public ReFramedSlabsHalfLayerBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getSlabsHalfLayerShape(state.get(EDGE), state.get(EDGE_FACE), state.get(LAYERS));
+    }
+
+    public static VoxelShape getSlabsHalfLayerShape(Edge edge, int face, int layers) {
+        int i = edge.ordinal() * 16 + face * 8 + layers - 1;
+        VoxelShape shape = SLABS_HALF_LAYER_VOXELS[i];
+        if (shape == null) {
+            shape = VoxelShapes.combineAndSimplify(
+                getShape(edge, edge.getDirection(face), layers, 1),
+                getShape(edge, edge.getDirection(face), layers, 2),
+                BooleanBiFunction.OR
+            );
+            SLABS_HALF_LAYER_VOXELS[i] = shape;
+        }
+        return shape;
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Edge edge = state.get(EDGE);
+        Direction face = edge.getDirection(state.get(EDGE_FACE));
+        return getShape(edge, face, state.get(LAYERS), i);
+    }
+
+    private static VoxelShape getShape(Edge edge, Direction face, int layers, int i) {
+        if (i == 2) {
+            face = edge.getOtherDirection(face);
+            edge = edge.getOpposite(face);
+        }
+        return i == 2
+            ? getHalfLayerShape(edge, edge.getDirectionIndex(face), layers)
+            : getSlabShape(face);
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsInnerStairBlock.java

@@ -0,0 +1,48 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public class ReFramedSlabsInnerStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedSlabsInnerStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        Edge edge = corner.getEdge(face);
+        return getStairShape(
+            edge,
+            face.getDirection() == Direction.AxisDirection.POSITIVE
+            ? StairShape.INNER_LEFT
+            : StairShape.INNER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        if (i == 2) corner = corner.change(face);
+        return i == 2
+            ? getHalfStairShape(corner, corner.getDirectionIndex(face.getOpposite()))
+            : getSlabShape(face);
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsLayerBlock.java

@@ -0,0 +1,96 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.util.VoxelHelper;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.item.ItemStack;
+import net.minecraft.loot.context.LootContextParameterSet;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import java.util.List;
+
+import static fr.adrien1106.reframed.block.ReFramedLayerBlock.getLayerShape;
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.HALF_LAYERS;
+import static net.minecraft.state.property.Properties.FACING;
+
+public class ReFramedSlabsLayerBlock extends FacingDoubleReFramedBlock {
+
+    public static VoxelShape[] HALF_LAYER_SHAPES;
+
+    public ReFramedSlabsLayerBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(HALF_LAYERS, 1));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
+        List<ItemStack> drops = super.getDroppedStacks(state, builder);
+        if (state.get(HALF_LAYERS) > 1)
+            drops.add(new ItemStack(ReFramed.LAYER, state.get(HALF_LAYERS)-1));
+        return drops;
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public boolean canReplace(BlockState state, ItemPlacementContext context) {
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        return block_item.getBlock() == ReFramed.LAYER && state.get(HALF_LAYERS) < 4;
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(HALF_LAYERS));
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getLayerShape(state.get(FACING), state.get(HALF_LAYERS) + 4);
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Direction face = state.get(FACING);
+        return i == 2
+            ? HALF_LAYER_SHAPES[face.getId() * 4 + state.get(HALF_LAYERS)-1]
+            : getSlabShape(face);
+    }
+
+    static {
+        VoxelHelper.VoxelListBuilder builder = VoxelHelper.VoxelListBuilder.create(createCuboidShape(0, 8, 0, 16, 10, 16), 24)
+            .add(createCuboidShape(0, 8, 0, 16, 12, 16))
+            .add(createCuboidShape(0, 8, 0, 16, 14, 16))
+            .add(createCuboidShape(0, 8, 0, 16, 16, 16));
+
+        for (int i = 0; i < 4; i++) {
+            builder.add(i, VoxelHelper::mirrorY);
+        }
+        for (int i = 0; i < 4; i++) {
+            builder.add(i, VoxelHelper::rotateX);
+        }
+        for (int i = 0; i < 4; i++) {
+            builder.add(i, VoxelHelper::rotateCX);
+        }
+        for (int i = 0; i < 4; i++) {
+            builder.add(i, VoxelHelper::rotateCZ);
+        }
+        for (int i = 0; i < 4; i++) {
+            builder.add(i, VoxelHelper::rotateZ);
+        }
+
+        HALF_LAYER_SHAPES = builder.build();
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsOuterStairBlock.java

@@ -0,0 +1,51 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.getSmallCubeShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public class ReFramedSlabsOuterStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedSlabsOuterStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        Edge edge = corner.getEdgeWith(face);
+        return getStairShape(
+            edge,
+            corner.getOtherDirection(edge).getDirection() == Direction.AxisDirection.POSITIVE
+            ? edge.getDirectionIndex(face) == 1
+                ? StairShape.FIRST_OUTER_LEFT
+                : StairShape.SECOND_OUTER_LEFT
+            : edge.getDirectionIndex(face) == 1
+                ? StairShape.FIRST_OUTER_RIGHT
+                : StairShape.SECOND_OUTER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        return i == 2
+            ? getSmallCubeShape(corner.change(face))
+            : getSlabShape(face);
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsStairBlock.java

@@ -0,0 +1,37 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+
+public class ReFramedSlabsStairBlock extends EdgeDoubleReFramedBlock {
+
+    public ReFramedSlabsStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getStairShape(state.get(EDGE), StairShape.STRAIGHT);
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Edge edge = state.get(EDGE);
+        Direction face = edge.getDirection(state.get(EDGE_FACE));
+        return i == 2
+            ? getStepShape(edge.getOpposite(edge.getOtherDirection(face)))
+            : getSlabShape(face);
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSmallCubeBlock.java

@@ -4,6 +4,8 @@ import fr.adrien1106.reframed.ReFramed;
 import fr.adrien1106.reframed.util.VoxelHelper;
 import fr.adrien1106.reframed.util.blocks.BlockHelper;
 import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.ShapeContext;
@@ -25,6 +27,7 @@ import java.util.Map;
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
 import static fr.adrien1106.reframed.util.blocks.Corner.*;
+import static net.minecraft.state.property.Properties.FACING;
 import static net.minecraft.state.property.Properties.WATERLOGGED;
 
 public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
@@ -42,64 +45,73 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
-        if (context.getPlayer() == null) return false;
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
+            || !(context.getStack().getItem() instanceof BlockItem block_item)
+        ) return false;
+
+        Block block = block_item.getBlock();
         Corner corner = state.get(CORNER);
-        return !(
-            context.getPlayer().isSneaking()
-                || !(context.getStack().getItem() instanceof BlockItem block_item)
-                || (
-                    !(
-                        block_item.getBlock() == ReFramed.HALF_STAIR
-                        && !(corner.hasDirection(context.getSide())
-                            || (corner.hasDirection(context.getSide().getOpposite())
-                                && BlockHelper.cursorMatchesFace(
-                                    getOutlineShape(state, context.getWorld(), context.getBlockPos(), null),
-                                    BlockHelper.getRelativePos(context.getHitPos(), context.getBlockPos())
-                                )
-                            )
-                        )
+        if (block == this)
+            return matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(CORNER, corner.change(corner.getFirstDirection()))
+            ) || matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(CORNER, corner.change(corner.getSecondDirection()))
+            ) || matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(CORNER, corner.change(corner.getThirdDirection()))
+            );
+
+        if (block == ReFramed.HALF_STAIR || block == ReFramed.SLAB) {
+            corner = corner.getOpposite();
+            Direction face = corner.getFirstDirection();
+            Edge edge = corner.getEdge(face);
+            if (ReFramed.STAIR.matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.STAIR.getDefaultState()
+                    .with(EDGE, edge)
+                    .with(
+                        STAIR_SHAPE,
+                        face.getDirection() == Direction.AxisDirection.POSITIVE
+                            ? StairShape.INNER_LEFT
+                            : StairShape.INNER_RIGHT
                     )
-                    && !(
-                        block_item.getBlock() == this
-                        && (
-                            ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
-                                .matchesShape(
-                                    context.getHitPos(),
-                                    context.getBlockPos(),
-                                    ReFramed.SMALL_CUBES_STEP.getDefaultState().with(EDGE, corner.getEdge(corner.getFirstDirection())),
-                                    corner.getFirstDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                                )
-                            || ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
-                                .matchesShape(
-                                    context.getHitPos(),
-                                    context.getBlockPos(),
-                                    ReFramed.SMALL_CUBES_STEP.getDefaultState().with(EDGE, corner.getEdge(corner.getSecondDirection())),
-                                    corner.getSecondDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                                )
-                            || ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
-                                .matchesShape(
-                                    context.getHitPos(),
-                                    context.getBlockPos(),
-                                    ReFramed.SMALL_CUBES_STEP.getDefaultState().with(EDGE, corner.getEdge(corner.getThirdDirection())),
-                                    corner.getThirdDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                                )
-                        )
-                )
-            )
-        );
+            )) return block == ReFramed.SLAB || !matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(CORNER, corner)
+            );
+        }
+
+        return false;
     }
 
     @Override
     public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
         BlockPos pos = ctx.getBlockPos();
         BlockState current_state = ctx.getWorld().getBlockState(pos);
-        if (current_state.isOf(ReFramed.HALF_STAIR))
-            return ReFramed.HALF_STAIRS_SLAB.getDefaultState()
+
+        if (current_state.isOf(ReFramed.HALF_STAIR)) {
+            BlockState new_state;
+            Direction face = current_state.get(CORNER).getDirection(current_state.get(CORNER_FACE));
+            if (matchesShape(
+                ctx.getHitPos(), pos,
+                getDefaultState().with(CORNER, current_state.get(CORNER).change(face))
+            )) new_state = ReFramed.HALF_STAIRS_CUBE_STAIR.getDefaultState();
+            else new_state = ReFramed.HALF_STAIRS_SLAB.getDefaultState();
+            return new_state
                 .with(CORNER, current_state.get(CORNER))
                 .with(CORNER_FACE, current_state.get(CORNER_FACE))
                 .with(WATERLOGGED, current_state.get(WATERLOGGED));
-
+        }
 
         if (current_state.isOf(this)) {
             Vec3d hit = ctx.getHitPos();
@@ -120,27 +132,42 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
             return state.with(EDGE, corner.getEdge(corner.getThirdDirection()));
         }
 
+        if (current_state.isOf(ReFramed.SLAB)) {
+            Corner corner = BlockHelper.getPlacementCorner(ctx);
+            Direction face = current_state.get(FACING);
+            if (!corner.hasDirection(face)) corner = corner.change(face.getOpposite());
+            return ReFramed.SLABS_OUTER_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, corner.getDirectionIndex(face))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
         return super.getPlacementState(ctx).with(CORNER, BlockHelper.getPlacementCorner(ctx));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
-        return SMALL_CUBE_VOXELS[state.get(CORNER).getID()];
+        return getSmallCubeShape(state.get(CORNER));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(CORNER, state.get(CORNER).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(CORNER, state.get(CORNER).mirror(mirror));
     }
 
     @Override
     public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
-        if (new_state.isOf(ReFramed.HALF_STAIRS_SLAB)) return Map.of(1, 2);
+        if (new_state.isOf(ReFramed.HALF_STAIRS_SLAB)
+            || new_state.isOf(ReFramed.SLABS_OUTER_STAIR)
+        ) return Map.of(1, 2);
         if (new_state.isOf(ReFramed.SMALL_CUBES_STEP))
             return Map.of(
                 1,
@@ -151,6 +178,10 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
         return super.getThemeMap(state, new_state);
     }
 
+    public static VoxelShape getSmallCubeShape(Corner corner) {
+        return SMALL_CUBE_VOXELS[corner.getID()];
+    }
+
     static {
         final VoxelShape SMALL_CUBE = VoxelShapes.cuboid(.5f, 0f, 0f, 1f, .5f, .5f);
 

src/main/java/fr/adrien1106/reframed/block/ReFramedSmallCubesStepBlock.java

@@ -18,7 +18,6 @@ import org.jetbrains.annotations.Nullable;
 import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.SMALL_CUBE_VOXELS;
 import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedSmallCubesStepBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -39,21 +38,19 @@ public class ReFramedSmallCubesStepBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty(): getStepShape(state.get(EDGE));
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStepShape(state.get(EDGE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedStairBlock.java

@@ -19,7 +19,6 @@ import net.minecraft.util.math.Direction;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.util.shape.VoxelShapes;
 import net.minecraft.world.BlockView;
-import net.minecraft.world.World;
 import net.minecraft.world.WorldAccess;
 import org.jetbrains.annotations.Nullable;
 
@@ -45,6 +44,7 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null) return false;
 		return !(
@@ -52,7 +52,7 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 			|| !(context.getStack().getItem() instanceof BlockItem block_item)
 			|| !(
 				block_item.getBlock() == ReFramed.STEP
-				&& ((ReFramedStairsCubeBlock) ReFramed.STAIRS_CUBE)
+				&& ReFramed.STAIRS_CUBE
 					.matchesShape(
 						context.getHitPos(),
 						context.getBlockPos(),
@@ -87,18 +87,13 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
-	public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-		super.onStateReplaced(state, world, pos, new_state, moved);
-
-		if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-	}
-
-	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
 		return getStairShape(state.get(EDGE), state.get(STAIR_SHAPE));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState rotate(BlockState state, BlockRotation rotation) {
 		Edge prev_edge = state.get(EDGE);
 		Edge edge = prev_edge.rotate(rotation);
@@ -115,6 +110,7 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState mirror(BlockState state, BlockMirror mirror) {
 		Edge prev_edge = state.get(EDGE);
 		Edge edge = prev_edge.mirror(mirror);

src/main/java/fr/adrien1106/reframed/block/ReFramedStairsCubeBlock.java

@@ -12,7 +12,6 @@ import net.minecraft.util.BlockRotation;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Direction;
 import net.minecraft.util.shape.VoxelShape;
-import net.minecraft.world.World;
 import net.minecraft.world.WorldAccess;
 import org.jetbrains.annotations.Nullable;
 
@@ -36,6 +35,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState neighbor_state, WorldAccess world, BlockPos pos, BlockPos moved) {
         return super.getStateForNeighborUpdate(state, direction, neighbor_state, world, pos, moved)
             .with(STAIR_SHAPE, BlockHelper.getStairsShape(state.get(EDGE), world, pos));
@@ -52,6 +52,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
 
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Edge prev_edge = state.get(EDGE);
         Edge edge = prev_edge.rotate(rotation);
@@ -68,6 +69,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Edge prev_edge = state.get(EDGE);
         Edge edge = prev_edge.mirror(mirror);
@@ -76,13 +78,6 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
             .with(EDGE, edge);
     }
 
-    @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
     @Override
     public VoxelShape getShape(BlockState state, int i) {
         Edge edge = state.get(EDGE);

src/main/java/fr/adrien1106/reframed/block/ReFramedStepBlock.java

@@ -3,6 +3,7 @@ package fr.adrien1106.reframed.block;
 import fr.adrien1106.reframed.ReFramed;
 import fr.adrien1106.reframed.util.VoxelHelper;
 import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Corner;
 import fr.adrien1106.reframed.util.blocks.Edge;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
@@ -22,10 +23,9 @@ import org.jetbrains.annotations.Nullable;
 import java.util.Map;
 
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
-import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.STAIR_SHAPE;
 import static net.minecraft.state.property.Properties.*;
-import static net.minecraft.state.property.Properties.WATERLOGGED;
 
 public class ReFramedStepBlock extends WaterloggableReFramedBlock {
 
@@ -42,49 +42,38 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
-        if (context.getPlayer() == null) return false;
-        Edge edge = state.get(EDGE);
-        return !(
-            context.getPlayer().isSneaking()
+        if (context.getPlayer() == null
+            || context.getPlayer().isSneaking()
             || !(context.getStack().getItem() instanceof BlockItem block_item)
-            || (
-                !(
-                    block_item.getBlock() == ReFramed.STAIR
-                    && ((ReFramedStairsCubeBlock) ReFramed.STAIRS_CUBE)
-                        .matchesShape(
-                            context.getHitPos(),
-                            context.getBlockPos(),
-                            ReFramed.STAIRS_CUBE.getDefaultState().with(EDGE, edge.opposite()),
-                            1
-                        )
+        ) return false;
 
-                )
-                && !(
-                    block_item.getBlock() == this
-                    && (
-                        ((ReFramedStepsSlabBlock) ReFramed.STEPS_SLAB)
-                            .matchesShape(
-                                context.getHitPos(),
-                                context.getBlockPos(),
-                                ReFramed.STEPS_SLAB.getDefaultState()
-                                    .with(FACING, edge.getFirstDirection())
-                                    .with(AXIS, edge.getSecondDirection().getAxis()),
-                                edge.getSecondDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                            )
-                        || ((ReFramedStepsSlabBlock) ReFramed.STEPS_SLAB)
-                            .matchesShape(
-                                context.getHitPos(),
-                                context.getBlockPos(),
-                                ReFramed.STEPS_SLAB.getDefaultState()
-                                    .with(FACING, edge.getSecondDirection())
-                                    .with(AXIS, edge.getFirstDirection().getAxis()),
-                                edge.getFirstDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-                            )
-                    )
-                )
-            )
-        );
+        Block block = block_item.getBlock();
+        Edge edge = state.get(EDGE);
+        if (block == ReFramed.HALF_LAYER)
+            return matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(EDGE, edge.getOpposite(edge.getFirstDirection()))
+            ) || matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                getDefaultState().with(EDGE, edge.getOpposite(edge.getSecondDirection()))
+            );
+
+        // allow replacing with stair
+        if (block != this
+            && block != ReFramed.STAIR
+            && block != ReFramed.SLAB
+        ) return false;
+
+        return ReFramed.STAIR
+            .matchesShape(
+                context.getHitPos(),
+                context.getBlockPos(),
+                ReFramed.STAIRS_CUBE.getDefaultState().with(EDGE, edge.opposite())
+            );
     }
 
     @Nullable
@@ -92,6 +81,7 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
     public BlockState getPlacementState(ItemPlacementContext ctx) {
         BlockPos pos = ctx.getBlockPos();
         BlockState current_state = ctx.getWorld().getBlockState(pos);
+
         if (current_state.isOf(ReFramed.STAIR))
             return ReFramed.STAIRS_CUBE.getDefaultState()
                 .with(EDGE, current_state.get(EDGE))
@@ -101,39 +91,91 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
         if (current_state.isOf(this)) {
             Vec3d hit = ctx.getHitPos();
             Edge edge = current_state.get(EDGE);
-            Direction dir = edge.getFirstDirection();
-            ReFramedStepsSlabBlock block = ((ReFramedStepsSlabBlock) ReFramed.STEPS_SLAB);
-            BlockState state = block.getDefaultState()
-                .with(FACING, dir)
-                .with(AXIS, edge.getOtherDirection(dir).getAxis())
+
+            // Steps Slab
+            if (matchesShape(hit, pos,
+                current_state.with(EDGE, edge.getOpposite(edge.getFirstDirection()))
+            )) return ReFramed.STEPS_SLAB.getDefaultState()
+                .with(FACING, edge.getFirstDirection())
+                .with(AXIS, edge.getSecondDirection().getAxis())
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+
+            else if (matchesShape(hit, pos,
+                current_state.with(EDGE, edge.getOpposite(edge.getSecondDirection()))
+            )) return ReFramed.STEPS_SLAB.getDefaultState()
+                .with(FACING, edge.getSecondDirection())
+                .with(AXIS, edge.getFirstDirection().getAxis())
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+
+            // Steps Cross
+            return ReFramed.STEPS_CROSS.getDefaultState()
+                .with(EDGE, edge)
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
+        if (current_state.isOf(ReFramed.SLAB)) {
+            Direction facing = current_state.get(FACING);
+            Edge edge;
+
+            // Slabs Stair
+            if (ctx.getSide() == facing || ctx.getSide() == facing.getOpposite())
+                edge = BlockHelper.getPlacementEdge(ctx);
+            else
+                edge = Edge.getByDirections(facing, ctx.getSide().getOpposite());
+            return ReFramed.SLABS_STAIR.getDefaultState()
+                .with(EDGE, edge)
+                .with(EDGE_FACE, edge.getDirectionIndex(facing));
+
+        }
+
+        if (current_state.isOf(ReFramed.HALF_STAIR)) {
+            Corner corner = current_state.get(CORNER);
+            int face_index = current_state.get(CORNER_FACE), feature_index;
+            Direction face = corner.getDirection(current_state.get(CORNER_FACE));
+            Direction side = ctx.getSide().getOpposite();
+
+            if (side.getAxis() == face.getAxis())
+                side = BlockHelper.getPlacementEdge(ctx).getOtherDirection(face == side ? face : face.getOpposite());
+
+            if (side.getAxis() != face.getAxis() && !corner.hasDirection(side))
+                side = corner.getOtherDirection(Edge.getByDirections(face, side.getOpposite()));
+
+            feature_index = corner.getDirectionIndex(side);
+            return ReFramed.HALF_STAIRS_STEP_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, face_index)
+                .with(CORNER_FEATURE, feature_index > face_index ? feature_index - 1 : feature_index)
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
+
+        if (current_state.isOf(ReFramed.HALF_LAYER)) {
+            Edge edge = current_state.get(EDGE);
+            Direction face = edge.getDirection(current_state.get(EDGE_FACE));
+            edge = edge.getOpposite(face);
+            return ReFramed.STEPS_HALF_LAYER.getDefaultState()
+                .with(EDGE, edge)
+                .with(EDGE_FACE, edge.getDirectionIndex(edge.getOtherDirection(face)))
+                .with(LAYERS, current_state.get(LAYERS))
                 .with(WATERLOGGED, current_state.get(WATERLOGGED));
-            if (!block.matchesShape(
-                hit, pos,
-                state,
-                edge.getOtherDirection(dir).getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
-            )) {
-                dir = edge.getSecondDirection();
-                state = state
-                    .with(FACING, dir)
-                    .with(AXIS, edge.getOtherDirection(dir).getAxis());
-            }
-            return state;
         }
 
         return super.getPlacementState(ctx).with(EDGE, BlockHelper.getPlacementEdge(ctx));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStepShape(state.get(EDGE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }
@@ -144,7 +186,11 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
 
     @Override
     public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
-        if (new_state.isOf(ReFramed.STAIRS_CUBE)) return Map.of(1, 2);
+        if (new_state.isOf(ReFramed.STEPS_CROSS)
+            || new_state.isOf(ReFramed.STEPS_HALF_LAYER)
+        ) return Map.of(1, 1);
+        if (new_state.isOf(ReFramed.STAIRS_CUBE)
+            || new_state.isOf(ReFramed.SLABS_STAIR)) return Map.of(1, 2);
         if (new_state.isOf(ReFramed.STEPS_SLAB))
             return Map.of(
                 1,

src/main/java/fr/adrien1106/reframed/block/ReFramedStepsCrossBlock.java

@@ -0,0 +1,86 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.VoxelHelper;
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.function.BooleanBiFunction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+
+public class ReFramedStepsCrossBlock extends WaterloggableReFramedDoubleBlock {
+
+    public static VoxelShape[] STEP_CROSS_VOXELS;
+
+    public ReFramedStepsCrossBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(EDGE, Edge.NORTH_DOWN));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(EDGE));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        Edge edge = BlockHelper.getPlacementCorner(ctx).getEdge(ctx.getSide().getOpposite());
+        return super.getPlacementState(ctx).with(EDGE, edge);
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return STEP_CROSS_VOXELS[state.get(EDGE).ordinal()];
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        return state.with(EDGE, state.get(EDGE).rotate(rotation));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        return state.with(EDGE, state.get(EDGE).mirror(mirror));
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        return getStepShape(i == 1 ? state.get(EDGE): state.get(EDGE).opposite());
+    }
+
+    static {
+        VoxelShape STEP_CROSS = VoxelShapes.combineAndSimplify(
+            getStepShape(Edge.NORTH_DOWN),
+            getStepShape(Edge.SOUTH_UP),
+            BooleanBiFunction.OR
+        );
+        STEP_CROSS_VOXELS = VoxelHelper.VoxelListBuilder.create(STEP_CROSS, 12)
+            .add(VoxelHelper::rotateX)
+            .add(VoxelHelper::rotateX)
+            .add(VoxelHelper::rotateX)
+            .add(0, VoxelHelper::rotateCY)
+            .add(VoxelHelper::rotateZ)
+            .add(VoxelHelper::rotateZ)
+            .add(VoxelHelper::rotateZ)
+            .add(0, VoxelHelper::rotateCZ)
+            .add(VoxelHelper::rotateY)
+            .add(VoxelHelper::rotateY)
+            .add(VoxelHelper::rotateY)
+            .build();
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedStepsHalfLayerBlock.java

@@ -0,0 +1,62 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.function.BooleanBiFunction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfLayerBlock.getHalfLayerShape;
+import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static net.minecraft.state.property.Properties.LAYERS;
+
+public class ReFramedStepsHalfLayerBlock extends HalfLayerDoubleReFramedBlock {
+
+    private static final VoxelShape[] SLABS_HALF_LAYER_VOXELS = new VoxelShape[196];
+
+    public ReFramedStepsHalfLayerBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return getStepsHalfLayerShape(state.get(EDGE), state.get(EDGE_FACE), state.get(LAYERS));
+    }
+
+    public static VoxelShape getStepsHalfLayerShape(Edge edge, int face, int layers) {
+        int i = edge.ordinal() * 16 + face * 8 + layers - 1;
+        VoxelShape shape = SLABS_HALF_LAYER_VOXELS[i];
+        if (shape == null) {
+            shape = VoxelShapes.combineAndSimplify(
+                getShape(edge, edge.getDirection(face), layers, 1),
+                getShape(edge, edge.getDirection(face), layers, 2),
+                BooleanBiFunction.OR
+            );
+            SLABS_HALF_LAYER_VOXELS[i] = shape;
+        }
+        return shape;
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Edge edge = state.get(EDGE);
+        Direction face = edge.getDirection(state.get(EDGE_FACE));
+        return getShape(edge, face, state.get(LAYERS), i);
+    }
+
+    private static VoxelShape getShape(Edge edge, Direction face, int layers, int i) {
+        if (i == 2) {
+            face = edge.getOtherDirection(face);
+            edge = edge.getOpposite(face);
+        }
+        return i == 2
+            ? getHalfLayerShape(edge, edge.getDirectionIndex(face), layers)
+            : getStepShape(edge);
+    }
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedStepsSlabBlock.java

@@ -21,7 +21,6 @@ import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
 import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
 import static net.minecraft.state.property.Properties.AXIS;
 import static net.minecraft.state.property.Properties.FACING;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -44,16 +43,13 @@ public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty() : getSlabShape(state.get(FACING));
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getSlabShape(state.get(FACING));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state
             .with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis())
@@ -61,6 +57,7 @@ public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         if (state.get(FACING).getAxis() != Axis.Y)
             return state.with(FACING, mirror.apply(state.get(FACING)));

src/main/java/fr/adrien1106/reframed/block/ReFramedTrapdoorBlock.java

@@ -48,6 +48,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void neighborUpdate(BlockState state, World world, BlockPos pos, Block source, BlockPos sourcePos, boolean notify) {
         if (world.isClient) return;
         boolean powered = world.isReceivingRedstonePower(pos);
@@ -83,13 +84,6 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
         return state;
     }
 
-    @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
     @Override
     public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
         ActionResult result = super.onUse(state, world, pos, player, hand, hit);
@@ -99,6 +93,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return switch (type) {
             case LAND, AIR -> state.get(OPEN);
@@ -107,6 +102,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stack_merger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK
                 && !world.isClient()
@@ -129,6 +125,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         int index;
         if (!state.get(OPEN)) index = state.get(BLOCK_HALF) == BlockHalf.BOTTOM ? 0 : 1;
@@ -137,11 +134,13 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING)));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedWallBlock.java

@@ -80,13 +80,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
-    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
-        super.onStateReplaced(state, world, pos, new_state, moved);
-
-        if(!state.isOf(new_state.getBlock())) world.removeBlockEntity(pos);
-    }
-
-    @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = state.get(UP) ? WALL_VOXELS[0]: VoxelShapes.empty();
         for (Direction dir : Direction.Type.HORIZONTAL) {
@@ -109,6 +103,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(rotation.rotate(dir)), state.get(getWallShape(dir)))
@@ -116,6 +111,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(mirror.apply(dir)), state.get(getWallShape(dir)))

src/main/java/fr/adrien1106/reframed/block/TestBlock.java

@@ -0,0 +1,36 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.client.voxel.MorphVoxel;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+public class TestBlock extends Block {
+
+    public static MorphVoxel voxel = new MorphVoxel(createCuboidShape(1, 1, 1, 15, 15, 15),
+        new Vec3d[] {
+            new Vec3d(0, 0, 0),
+            new Vec3d(1, 0, 0),
+            new Vec3d(1, 1, 1),
+            new Vec3d(0, 1, 1),
+            new Vec3d(0, 1, 1),
+            new Vec3d(1, 1, 1),
+            new Vec3d(1, 0, 1),
+            new Vec3d(0, 0, 1)
+
+        });
+
+    public TestBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        return voxel;
+    }
+}

src/main/java/fr/adrien1106/reframed/block/WaterloggableReFramedBlock.java

@@ -33,10 +33,13 @@ public class WaterloggableReFramedBlock extends ReFramedBlock implements Waterlo
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public FluidState getFluidState(BlockState state) {
 		return state.get(Properties.WATERLOGGED) ? Fluids.WATER.getStill(false) : super.getFluidState(state);
 	}
-	
+
+    @Override
+    @SuppressWarnings("deprecation")
 	public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState otherState, WorldAccess world, BlockPos pos, BlockPos moved) {
 		if(state.get(Properties.WATERLOGGED)) world.scheduleFluidTick(pos, Fluids.WATER, Fluids.WATER.getTickRate(world));
 		return super.getStateForNeighborUpdate(state, direction, otherState, world, pos, moved);

src/main/java/fr/adrien1106/reframed/block/WaterloggableReFramedDoubleBlock.java

@@ -33,10 +33,13 @@ public class WaterloggableReFramedDoubleBlock extends ReFramedDoubleBlock implem
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public FluidState getFluidState(BlockState state) {
         return state.get(Properties.WATERLOGGED) ? Fluids.WATER.getStill(false) : super.getFluidState(state);
     }
 
+    @Override
+    @SuppressWarnings("deprecation")
     public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState otherState, WorldAccess world, BlockPos pos, BlockPos moved) {
         if(state.get(Properties.WATERLOGGED)) world.scheduleFluidTick(pos, Fluids.WATER, Fluids.WATER.getTickRate(world));
         return super.getStateForNeighborUpdate(state, direction, otherState, world, pos, moved);

src/main/java/fr/adrien1106/reframed/client/ReFramedClient.java

@@ -27,149 +27,231 @@ public class ReFramedClient implements ClientModInitializer {
 		BlockRenderLayerMap.INSTANCE.putBlocks(RenderLayer.getCutout(), ReFramed.BLOCKS.toArray(new Block[0]));
 
 		// CUBE
-		HELPER.addReFramedModel("cube"                      , HELPER.auto(new Identifier("block/cube")));
+		HELPER.addReFramedModel("cube"                          , HELPER.auto(new Identifier("block/cube")));
 		// SMALL_CUBE
-		HELPER.addReFramedModel("small_cube"                , HELPER.auto(ReFramed.id("block/small_cube/base")));
+		HELPER.addReFramedModel("small_cube"                    , HELPER.auto(ReFramed.id("block/small_cube/base")));
 		// SMALL_CUBES_STEP
-		HELPER.addReFramedModel("small_cubes_step"          , HELPER.autoDouble(ReFramed.id("block/small_cube/base"), ReFramed.id("block/small_cube/step/base")));
-		HELPER.addReFramedModel("small_cubes_step_reverse"  , HELPER.autoDouble(ReFramed.id("block/small_cube/step/base"), ReFramed.id("block/small_cube/base")));
+		HELPER.addReFramedModel("small_cubes_step"              , HELPER.autoDouble(ReFramed.id("block/small_cube/base"), ReFramed.id("block/small_cube/step/base")));
+		HELPER.addReFramedModel("small_cubes_step_reverse"      , HELPER.autoDouble(ReFramed.id("block/small_cube/step/base"), ReFramed.id("block/small_cube/base")));
 		// SLAB
-		HELPER.addReFramedModel("slab"                      , HELPER.auto(new Identifier("block/slab")));
+		HELPER.addReFramedModel("slab"                          , HELPER.auto(new Identifier("block/slab")));
 		// SLAB_CUBE
-		HELPER.addReFramedModel("double_slab"               , HELPER.autoDouble(new Identifier("block/slab"), new Identifier("block/slab_top")));
+		HELPER.addReFramedModel("double_slab"                   , HELPER.autoDouble(new Identifier("block/slab"), new Identifier("block/slab_top")));
 		// STAIR
-		HELPER.addReFramedModel("stair"                     , HELPER.auto(ReFramed.id("block/stair/straight")));
-		HELPER.addReFramedModel("outers_stair"              , HELPER.auto(ReFramed.id("block/stair/double_outer")));
-		HELPER.addReFramedModel("inner_stair"               , HELPER.auto(ReFramed.id("block/stair/inner")));
-		HELPER.addReFramedModel("outer_stair"               , HELPER.auto(ReFramed.id("block/stair/outer")));
-		HELPER.addReFramedModel("outer_side_stair"          , HELPER.auto(ReFramed.id("block/stair/outer_side")));
+		HELPER.addReFramedModel("stair"                         , HELPER.auto(ReFramed.id("block/stair/straight")));
+		HELPER.addReFramedModel("outers_stair"                  , HELPER.auto(ReFramed.id("block/stair/double_outer")));
+		HELPER.addReFramedModel("inner_stair"                   , HELPER.auto(ReFramed.id("block/stair/inner")));
+		HELPER.addReFramedModel("outer_stair"                   , HELPER.auto(ReFramed.id("block/stair/outer")));
+		HELPER.addReFramedModel("outer_side_stair"              , HELPER.auto(ReFramed.id("block/stair/outer_side")));
 		// STAIRS_CUBE
-		HELPER.addReFramedModel("stairs_cube"               , HELPER.autoDouble(ReFramed.id("block/stair/straight"), ReFramed.id("block/stair/cube/straight")));
-		HELPER.addReFramedModel("outers_stairs_cube"        , HELPER.autoDouble(ReFramed.id("block/stair/double_outer"), ReFramed.id("block/stair/cube/double_outer")));
-		HELPER.addReFramedModel("inner_stairs_cube"         , HELPER.autoDouble(ReFramed.id("block/stair/inner"), ReFramed.id("block/stair/cube/inner")));
-		HELPER.addReFramedModel("outer_stairs_cube"         , HELPER.autoDouble(ReFramed.id("block/stair/outer"), ReFramed.id("block/stair/cube/outer")));
-		HELPER.addReFramedModel("outer_side_stairs_cube"    , HELPER.autoDouble(ReFramed.id("block/stair/outer_side"), ReFramed.id("block/stair/cube/outer_side")));
+		HELPER.addReFramedModel("stairs_cube"                   , HELPER.autoDouble(ReFramed.id("block/stair/straight"), ReFramed.id("block/stair/cube/straight")));
+		HELPER.addReFramedModel("outers_stairs_cube"            , HELPER.autoDouble(ReFramed.id("block/stair/double_outer"), ReFramed.id("block/stair/cube/double_outer")));
+		HELPER.addReFramedModel("inner_stairs_cube"             , HELPER.autoDouble(ReFramed.id("block/stair/inner"), ReFramed.id("block/stair/cube/inner")));
+		HELPER.addReFramedModel("outer_stairs_cube"             , HELPER.autoDouble(ReFramed.id("block/stair/outer"), ReFramed.id("block/stair/cube/outer")));
+		HELPER.addReFramedModel("outer_side_stairs_cube"        , HELPER.autoDouble(ReFramed.id("block/stair/outer_side"), ReFramed.id("block/stair/cube/outer_side")));
 		// HALF_STAIR
-		HELPER.addReFramedModel("half_stair_down"           , HELPER.auto(ReFramed.id("block/half_stair/down")));
-		HELPER.addReFramedModel("half_stair_side"           , HELPER.auto(ReFramed.id("block/half_stair/side")));
+		HELPER.addReFramedModel("half_stair_down"               , HELPER.auto(ReFramed.id("block/half_stair/down")));
+		HELPER.addReFramedModel("half_stair_side"               , HELPER.auto(ReFramed.id("block/half_stair/side")));
 		// HALF_STAIRS_SLAB
-		HELPER.addReFramedModel("half_stairs_slab_down"     , HELPER.autoDouble(ReFramed.id("block/half_stair/down"), ReFramed.id("block/half_stair/slab/down")));
-		HELPER.addReFramedModel("half_stairs_slab_side"     , HELPER.autoDouble(ReFramed.id("block/half_stair/side"), ReFramed.id("block/half_stair/slab/side")));
+		HELPER.addReFramedModel("half_stairs_slab_down"         , HELPER.autoDouble(ReFramed.id("block/half_stair/down"), ReFramed.id("block/half_stair/slab/down")));
+		HELPER.addReFramedModel("half_stairs_slab_side"         , HELPER.autoDouble(ReFramed.id("block/half_stair/side"), ReFramed.id("block/half_stair/slab/side")));
 		// HALF_STAIRS_STAIR
-		HELPER.addReFramedModel("half_stairs_stair_down"    , HELPER.autoDouble(ReFramed.id("block/half_stair/down"), ReFramed.id("block/half_stair/stair/down")));
-		HELPER.addReFramedModel("half_stairs_stair_side"    , HELPER.autoDouble(ReFramed.id("block/half_stair/side"), ReFramed.id("block/half_stair/stair/side")));
-		HELPER.addReFramedModel("half_stairs_stair_reverse" , HELPER.autoDouble(ReFramed.id("block/half_stair/stair/side"), ReFramed.id("block/half_stair/side")));
+		HELPER.addReFramedModel("half_stairs_stair_down"        , HELPER.autoDouble(ReFramed.id("block/half_stair/down"), ReFramed.id("block/half_stair/stair/down")));
+		HELPER.addReFramedModel("half_stairs_stair_side"        , HELPER.autoDouble(ReFramed.id("block/half_stair/side"), ReFramed.id("block/half_stair/stair/side")));
+		HELPER.addReFramedModel("half_stairs_stair_reverse"     , HELPER.autoDouble(ReFramed.id("block/half_stair/stair/side"), ReFramed.id("block/half_stair/side")));
 		// STEP
-		HELPER.addReFramedModel("step"                      , HELPER.auto(ReFramed.id("block/step/down")));
+		HELPER.addReFramedModel("step"                          , HELPER.auto(ReFramed.id("block/step/down")));
 		// STEPS_SLAB
-		HELPER.addReFramedModel("steps_slab"                , HELPER.autoDouble(ReFramed.id("block/step/down"), ReFramed.id("block/step/slab/down")));
-		HELPER.addReFramedModel("steps_slab_side"           , HELPER.autoDouble(ReFramed.id("block/step/side"), ReFramed.id("block/step/slab/side")));
+		HELPER.addReFramedModel("steps_slab"                    , HELPER.autoDouble(ReFramed.id("block/step/down"), ReFramed.id("block/step/slab/down")));
+		HELPER.addReFramedModel("steps_slab_side"               , HELPER.autoDouble(ReFramed.id("block/step/side"), ReFramed.id("block/step/slab/side")));
 		// LAYER
-		HELPER.addReFramedModel("layer_1"                   , HELPER.auto(new Identifier("block/snow_height2")));
-		HELPER.addReFramedModel("layer_2"                   , HELPER.auto(new Identifier("block/snow_height4")));
-		HELPER.addReFramedModel("layer_3"                   , HELPER.auto(new Identifier("block/snow_height6")));
-		HELPER.addReFramedModel("layer_4"                   , HELPER.auto(new Identifier("block/snow_height8")));
-		HELPER.addReFramedModel("layer_5"                   , HELPER.auto(new Identifier("block/snow_height10")));
-		HELPER.addReFramedModel("layer_6"                   , HELPER.auto(new Identifier("block/snow_height12")));
-		HELPER.addReFramedModel("layer_7"                   , HELPER.auto(new Identifier("block/snow_height14")));
-		HELPER.addReFramedModel("layer_8"                   , HELPER.auto(new Identifier("block/cube")));
+		HELPER.addReFramedModel("layer_1"                       , HELPER.auto(new Identifier("block/snow_height2")));
+		HELPER.addReFramedModel("layer_2"                       , HELPER.auto(new Identifier("block/snow_height4")));
+		HELPER.addReFramedModel("layer_3"                       , HELPER.auto(new Identifier("block/snow_height6")));
+		HELPER.addReFramedModel("layer_4"                       , HELPER.auto(new Identifier("block/snow_height8")));
+		HELPER.addReFramedModel("layer_5"                       , HELPER.auto(new Identifier("block/snow_height10")));
+		HELPER.addReFramedModel("layer_6"                       , HELPER.auto(new Identifier("block/snow_height12")));
+		HELPER.addReFramedModel("layer_7"                       , HELPER.auto(new Identifier("block/snow_height14")));
+		HELPER.addReFramedModel("layer_8"                       , HELPER.auto(new Identifier("block/cube")));
 		// PILLAR
-		HELPER.addReFramedModel("pillar"                    , HELPER.auto(ReFramed.id("block/pillar")));
+		HELPER.addReFramedModel("pillar"                        , HELPER.auto(ReFramed.id("block/pillar")));
 		// WALL
-		HELPER.addReFramedModel("wall_inventory"            , HELPER.auto(ReFramed.id("block/wall/inventory/default")));
+		HELPER.addReFramedModel("wall_inventory"                , HELPER.auto(ReFramed.id("block/wall/inventory/default")));
 		// --------------------- pillar
-		HELPER.addReFramedModel("wall_core"                 , HELPER.auto(ReFramed.id("block/wall/pillar/core")));
-		HELPER.addReFramedModel("wall_pillar_low"           , HELPER.auto(ReFramed.id("block/wall/pillar/low")));
-		HELPER.addReFramedModel("wall_pillar_tall"          , HELPER.auto(ReFramed.id("block/wall/pillar/tall")));
-		HELPER.addReFramedModel("wall_pillar_none"          , HELPER.auto(ReFramed.id("block/wall/pillar/none")));
+		HELPER.addReFramedModel("wall_core"                     , HELPER.auto(ReFramed.id("block/wall/pillar/core")));
+		HELPER.addReFramedModel("wall_pillar_low"               , HELPER.auto(ReFramed.id("block/wall/pillar/low")));
+		HELPER.addReFramedModel("wall_pillar_tall"              , HELPER.auto(ReFramed.id("block/wall/pillar/tall")));
+		HELPER.addReFramedModel("wall_pillar_none"              , HELPER.auto(ReFramed.id("block/wall/pillar/none")));
 		// --------------------- side
-		HELPER.addReFramedModel("wall_side_low"             , HELPER.auto(ReFramed.id("block/wall/side/low")));
-		HELPER.addReFramedModel("wall_side_tall"            , HELPER.auto(ReFramed.id("block/wall/side/tall")));
+		HELPER.addReFramedModel("wall_side_low"                 , HELPER.auto(ReFramed.id("block/wall/side/low")));
+		HELPER.addReFramedModel("wall_side_tall"                , HELPER.auto(ReFramed.id("block/wall/side/tall")));
 		// --------------------- junction
-		HELPER.addReFramedModel("wall_low_e"                , HELPER.auto(ReFramed.id("block/wall/junction/low")));
-		HELPER.addReFramedModel("wall_tall_e"               , HELPER.auto(ReFramed.id("block/wall/junction/tall")));
+		HELPER.addReFramedModel("wall_low_e"                    , HELPER.auto(ReFramed.id("block/wall/junction/low")));
+		HELPER.addReFramedModel("wall_tall_e"                   , HELPER.auto(ReFramed.id("block/wall/junction/tall")));
 		// --------------------- junction_i
-		HELPER.addReFramedModel("wall_low_i"                , HELPER.auto(ReFramed.id("block/wall/junction/low_i")));
-		HELPER.addReFramedModel("wall_tall_i"               , HELPER.auto(ReFramed.id("block/wall/junction/tall_i")));
-		HELPER.addReFramedModel("wall_low_tall_i"           , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_i")));
+		HELPER.addReFramedModel("wall_low_i"                    , HELPER.auto(ReFramed.id("block/wall/junction/low_i")));
+		HELPER.addReFramedModel("wall_tall_i"                   , HELPER.auto(ReFramed.id("block/wall/junction/tall_i")));
+		HELPER.addReFramedModel("wall_low_tall_i"               , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_i")));
 		// --------------------- junction_c
-		HELPER.addReFramedModel("wall_low_c"                , HELPER.auto(ReFramed.id("block/wall/junction/low_c")));
-		HELPER.addReFramedModel("wall_tall_c"               , HELPER.auto(ReFramed.id("block/wall/junction/tall_c")));
-		HELPER.addReFramedModel("wall_low_tall_c"           , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_c")));
-		HELPER.addReFramedModel("wall_tall_low_c"           , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_c")));
+		HELPER.addReFramedModel("wall_low_c"                    , HELPER.auto(ReFramed.id("block/wall/junction/low_c")));
+		HELPER.addReFramedModel("wall_tall_c"                   , HELPER.auto(ReFramed.id("block/wall/junction/tall_c")));
+		HELPER.addReFramedModel("wall_low_tall_c"               , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_c")));
+		HELPER.addReFramedModel("wall_tall_low_c"               , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_c")));
 		// --------------------- junction_t
-		HELPER.addReFramedModel("wall_low_t"                , HELPER.auto(ReFramed.id("block/wall/junction/low_t")));
-		HELPER.addReFramedModel("wall_tall_t"               , HELPER.auto(ReFramed.id("block/wall/junction/tall_t")));
-		HELPER.addReFramedModel("wall_tall_low_c_t"         , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_c_t")));
-		HELPER.addReFramedModel("wall_tall_i_low_t"         , HELPER.auto(ReFramed.id("block/wall/junction/tall_i_low_t")));
-		HELPER.addReFramedModel("wall_low_i_tall_t"         , HELPER.auto(ReFramed.id("block/wall/junction/low_i_tall_t")));
-		HELPER.addReFramedModel("wall_low_tall_c_t"         , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_c_t")));
-		HELPER.addReFramedModel("wall_low_c_tall_t"         , HELPER.auto(ReFramed.id("block/wall/junction/low_c_tall_t")));
-		HELPER.addReFramedModel("wall_tall_c_low_t"         , HELPER.auto(ReFramed.id("block/wall/junction/tall_c_low_t")));
+		HELPER.addReFramedModel("wall_low_t"                    , HELPER.auto(ReFramed.id("block/wall/junction/low_t")));
+		HELPER.addReFramedModel("wall_tall_t"                   , HELPER.auto(ReFramed.id("block/wall/junction/tall_t")));
+		HELPER.addReFramedModel("wall_tall_low_c_t"             , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_c_t")));
+		HELPER.addReFramedModel("wall_tall_i_low_t"             , HELPER.auto(ReFramed.id("block/wall/junction/tall_i_low_t")));
+		HELPER.addReFramedModel("wall_low_i_tall_t"             , HELPER.auto(ReFramed.id("block/wall/junction/low_i_tall_t")));
+		HELPER.addReFramedModel("wall_low_tall_c_t"             , HELPER.auto(ReFramed.id("block/wall/junction/low_tall_c_t")));
+		HELPER.addReFramedModel("wall_low_c_tall_t"             , HELPER.auto(ReFramed.id("block/wall/junction/low_c_tall_t")));
+		HELPER.addReFramedModel("wall_tall_c_low_t"             , HELPER.auto(ReFramed.id("block/wall/junction/tall_c_low_t")));
 		// --------------------- junction_x
-		HELPER.addReFramedModel("wall_low_x"                , HELPER.auto(ReFramed.id("block/wall/junction/low_x")));
-		HELPER.addReFramedModel("wall_tall_x"               , HELPER.auto(ReFramed.id("block/wall/junction/tall_x")));
-		HELPER.addReFramedModel("wall_tall_i_low_i_x"       , HELPER.auto(ReFramed.id("block/wall/junction/tall_i_low_i_x")));
-		HELPER.addReFramedModel("wall_tall_low_t_x"         , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_t_x")));
-		HELPER.addReFramedModel("wall_tall_c_low_c_x"       , HELPER.auto(ReFramed.id("block/wall/junction/tall_c_low_c_x")));
-		HELPER.addReFramedModel("wall_tall_t_low_x"         , HELPER.auto(ReFramed.id("block/wall/junction/tall_t_low_x")));
+		HELPER.addReFramedModel("wall_low_x"                    , HELPER.auto(ReFramed.id("block/wall/junction/low_x")));
+		HELPER.addReFramedModel("wall_tall_x"                   , HELPER.auto(ReFramed.id("block/wall/junction/tall_x")));
+		HELPER.addReFramedModel("wall_tall_i_low_i_x"           , HELPER.auto(ReFramed.id("block/wall/junction/tall_i_low_i_x")));
+		HELPER.addReFramedModel("wall_tall_low_t_x"             , HELPER.auto(ReFramed.id("block/wall/junction/tall_low_t_x")));
+		HELPER.addReFramedModel("wall_tall_c_low_c_x"           , HELPER.auto(ReFramed.id("block/wall/junction/tall_c_low_c_x")));
+		HELPER.addReFramedModel("wall_tall_t_low_x"             , HELPER.auto(ReFramed.id("block/wall/junction/tall_t_low_x")));
 		// PILLAR WALL
-		HELPER.addReFramedModel("pillars_wall_inventory"    , HELPER.autoDouble(ReFramed.id("block/pillar"), ReFramed.id("block/wall/full/inventory/sides")));
-		HELPER.addReFramedModel("pillars_wall_low"          , HELPER.autoDouble(ReFramed.id("block/wall/full/pillar/low"), ReFramed.id("block/wall/full/side/low")));
-		HELPER.addReFramedModel("pillars_wall_tall"         , HELPER.autoDouble(ReFramed.id("block/wall/full/pillar/tall"), ReFramed.id("block/wall/full/side/tall")));
+		HELPER.addReFramedModel("pillars_wall_inventory"        , HELPER.autoDouble(ReFramed.id("block/pillar"), ReFramed.id("block/wall/full/inventory/sides")));
+		HELPER.addReFramedModel("pillars_wall_low"              , HELPER.autoDouble(ReFramed.id("block/wall/full/pillar/low"), ReFramed.id("block/wall/full/side/low")));
+		HELPER.addReFramedModel("pillars_wall_tall"             , HELPER.autoDouble(ReFramed.id("block/wall/full/pillar/tall"), ReFramed.id("block/wall/full/side/tall")));
         // PANE
-        HELPER.addReFramedModel("pane_inventory"            , HELPER.auto(ReFramed.id("block/pane")));
-        HELPER.addReFramedModel("pane_post"                 , HELPER.auto(new Identifier("block/glass_pane_post")));
-        HELPER.addReFramedModel("pane_side"                 , HELPER.auto(new Identifier("block/glass_pane_side")));
-        HELPER.addReFramedModel("pane_side_alt"             , HELPER.auto(new Identifier("block/glass_pane_side_alt")));
-        HELPER.addReFramedModel("pane_noside"               , HELPER.auto(new Identifier("block/glass_pane_noside")));
-        HELPER.addReFramedModel("pane_noside_alt"           , HELPER.auto(new Identifier("block/glass_pane_noside_alt")));
+        HELPER.addReFramedModel("pane_inventory"                , HELPER.auto(ReFramed.id("block/pane")));
+        HELPER.addReFramedModel("pane_post"                     , HELPER.auto(new Identifier("block/glass_pane_post")));
+        HELPER.addReFramedModel("pane_side"                     , HELPER.auto(new Identifier("block/glass_pane_side")));
+        HELPER.addReFramedModel("pane_side_alt"                 , HELPER.auto(new Identifier("block/glass_pane_side_alt")));
+        HELPER.addReFramedModel("pane_noside"                   , HELPER.auto(new Identifier("block/glass_pane_noside")));
+        HELPER.addReFramedModel("pane_noside_alt"               , HELPER.auto(new Identifier("block/glass_pane_noside_alt")));
         // TRAPDOOR
-        HELPER.addReFramedModel("trapdoor_open"             , HELPER.auto(new Identifier("block/oak_trapdoor_open")));
-        HELPER.addReFramedModel("trapdoor_bottom"           , HELPER.auto(new Identifier("block/oak_trapdoor_bottom")));
-        HELPER.addReFramedModel("trapdoor_top"              , HELPER.auto(new Identifier("block/oak_trapdoor_top")));
+        HELPER.addReFramedModel("trapdoor_open"                 , HELPER.auto(new Identifier("block/oak_trapdoor_open")));
+        HELPER.addReFramedModel("trapdoor_bottom"               , HELPER.auto(new Identifier("block/oak_trapdoor_bottom")));
+        HELPER.addReFramedModel("trapdoor_top"                  , HELPER.auto(new Identifier("block/oak_trapdoor_top")));
         // DOOR
-        HELPER.addReFramedModel("door_inventory"            , HELPER.auto(ReFramed.id("block/door")));
+        HELPER.addReFramedModel("door_inventory"                , HELPER.auto(ReFramed.id("block/door")));
         // BUTTON
-        HELPER.addReFramedModel("button_inventory"          , HELPER.auto(new Identifier("block/button_inventory")));
-        HELPER.addReFramedModel("button"                    , HELPER.auto(new Identifier("block/button")));
-        HELPER.addReFramedModel("button_pressed"            , HELPER.auto(new Identifier("block/button_pressed")));
+        HELPER.addReFramedModel("button_inventory"              , HELPER.auto(new Identifier("block/button_inventory")));
+        HELPER.addReFramedModel("button"                        , HELPER.auto(new Identifier("block/button")));
+        HELPER.addReFramedModel("button_pressed"                , HELPER.auto(new Identifier("block/button_pressed")));
         // POST
-        HELPER.addReFramedModel("post"                      , HELPER.auto(ReFramed.id("block/post")));
+        HELPER.addReFramedModel("post"                          , HELPER.auto(ReFramed.id("block/post")));
         // FENCE
-        HELPER.addReFramedModel("fence_inventory"           , HELPER.auto(ReFramed.id("block/fence/inventory")));
-        HELPER.addReFramedModel("fence_core"                , HELPER.auto(ReFramed.id("block/fence/core")));
-        HELPER.addReFramedModel("fence_side_off"            , HELPER.auto(ReFramed.id("block/fence/side_off")));
-        HELPER.addReFramedModel("fence_side_on"             , HELPER.auto(ReFramed.id("block/fence/side_on")));
+        HELPER.addReFramedModel("fence_inventory"               , HELPER.auto(ReFramed.id("block/fence/inventory")));
+        HELPER.addReFramedModel("fence_core"                    , HELPER.auto(ReFramed.id("block/fence/core")));
+        HELPER.addReFramedModel("fence_side_off"                , HELPER.auto(ReFramed.id("block/fence/side_off")));
+        HELPER.addReFramedModel("fence_side_on"                 , HELPER.auto(ReFramed.id("block/fence/side_on")));
         // POST FENCE
-        HELPER.addReFramedModel("post_fence_inventory"      , HELPER.autoDouble(ReFramed.id("block/post"), ReFramed.id("block/fence/full/inventory")));
-        HELPER.addReFramedModel("post_fence_side"           , HELPER.autoDouble(ReFramed.id("block/fence/full/side_core"), ReFramed.id("block/fence/full/side_bars")));
+        HELPER.addReFramedModel("post_fence_inventory"          , HELPER.autoDouble(ReFramed.id("block/post"), ReFramed.id("block/fence/full/inventory")));
+        HELPER.addReFramedModel("post_fence_side"               , HELPER.autoDouble(ReFramed.id("block/fence/full/side_core"), ReFramed.id("block/fence/full/side_bars")));
+        // SLABS STAIR
+        HELPER.addReFramedModel("slabs_stair"                   , HELPER.autoDouble(ReFramed.id("block/slabs_stair/slab"), ReFramed.id("block/slabs_stair/step")));
+        HELPER.addReFramedModel("slabs_stair_side"              , HELPER.autoDouble(ReFramed.id("block/slabs_stair/side/slab"), ReFramed.id("block/slabs_stair/side/step")));
+        // SLABS OUTER STAIR
+        HELPER.addReFramedModel("slabs_outer_stair"             , HELPER.autoDouble(ReFramed.id("block/slabs_stair/outer/slab"), ReFramed.id("block/slabs_stair/outer/cube")));
+        HELPER.addReFramedModel("slabs_outer_stair_side"        , HELPER.autoDouble(ReFramed.id("block/slabs_stair/outer/side/slab"), ReFramed.id("block/slabs_stair/outer/side/cube")));
+        // SLABS OUTER STAIR
+        HELPER.addReFramedModel("slabs_inner_stair"             , HELPER.autoDouble(ReFramed.id("block/slabs_stair/inner/slab"), ReFramed.id("block/slabs_stair/inner/half_stair")));
+        HELPER.addReFramedModel("slabs_inner_stair_side"        , HELPER.autoDouble(ReFramed.id("block/slabs_stair/inner/side/slab"), ReFramed.id("block/slabs_stair/inner/side/half_stair")));
+        // SLABS OUTER STAIR
+        HELPER.addReFramedModel("steps_cross"                   , HELPER.autoDouble(ReFramed.id("block/step/down"), ReFramed.id("block/step/cross")));
+        // HALF STAIRS CUBE STAIR
+        HELPER.addReFramedModel("half_stairs_cube_stair"       , HELPER.autoDouble(ReFramed.id("block/half_stair/base"), ReFramed.id("block/half_stair/stair/cube")));
+        HELPER.addReFramedModel("half_stairs_cube_stair_side"  , HELPER.autoDouble(ReFramed.id("block/half_stair/base_side"), ReFramed.id("block/half_stair/stair/cube_side")));
+        // HALF STAIRS STEP STAIR
+        HELPER.addReFramedModel("half_stairs_step_stair_1"     , HELPER.autoDouble(ReFramed.id("block/half_stair/base"), ReFramed.id("block/half_stair/stair/step_1")));
+        HELPER.addReFramedModel("half_stairs_step_stair_side_1", HELPER.autoDouble(ReFramed.id("block/half_stair/base_side"), ReFramed.id("block/half_stair/stair/step_side_1")));
+        HELPER.addReFramedModel("half_stairs_step_stair_2"     , HELPER.autoDouble(ReFramed.id("block/half_stair/base"), ReFramed.id("block/half_stair/stair/step_2")));
+        HELPER.addReFramedModel("half_stairs_step_stair_side_2", HELPER.autoDouble(ReFramed.id("block/half_stair/base_side"), ReFramed.id("block/half_stair/stair/step_side_2")));
+        // HALF LAYER
+        // --------------------- east
+        HELPER.addReFramedModel("half_layer_2"                 , HELPER.auto(ReFramed.id("block/half_layer/east/layer_2")));
+        HELPER.addReFramedModel("half_layer_4"                 , HELPER.auto(ReFramed.id("block/half_layer/east/layer_4")));
+        HELPER.addReFramedModel("half_layer_6"                 , HELPER.auto(ReFramed.id("block/half_layer/east/layer_6")));
+        HELPER.addReFramedModel("half_layer_8"                 , HELPER.auto(ReFramed.id("block/half_layer/east/layer_8")));
+        HELPER.addReFramedModel("half_layer_10"                , HELPER.auto(ReFramed.id("block/half_layer/east/layer_10")));
+        HELPER.addReFramedModel("half_layer_12"                , HELPER.auto(ReFramed.id("block/half_layer/east/layer_12")));
+        HELPER.addReFramedModel("half_layer_14"                , HELPER.auto(ReFramed.id("block/half_layer/east/layer_14")));
+        HELPER.addReFramedModel("half_layer_16"                , HELPER.auto(ReFramed.id("block/half_layer/east/layer_16")));
+        // --------------------- side
+        HELPER.addReFramedModel("half_layer_side_2"            , HELPER.auto(ReFramed.id("block/half_layer/side/layer_2")));
+        HELPER.addReFramedModel("half_layer_side_4"            , HELPER.auto(ReFramed.id("block/half_layer/side/layer_4")));
+        HELPER.addReFramedModel("half_layer_side_6"            , HELPER.auto(ReFramed.id("block/half_layer/side/layer_6")));
+        HELPER.addReFramedModel("half_layer_side_8"            , HELPER.auto(ReFramed.id("block/half_layer/side/layer_8")));
+        HELPER.addReFramedModel("half_layer_side_10"           , HELPER.auto(ReFramed.id("block/half_layer/side/layer_10")));
+        HELPER.addReFramedModel("half_layer_side_12"           , HELPER.auto(ReFramed.id("block/half_layer/side/layer_12")));
+        HELPER.addReFramedModel("half_layer_side_14"           , HELPER.auto(ReFramed.id("block/half_layer/side/layer_14")));
+        HELPER.addReFramedModel("half_layer_side_16"           , HELPER.auto(ReFramed.id("block/half_layer/side/layer_16")));
+        // SLAB HALF LAYER
+        HELPER.addReFramedModel("slabs_half_inventory"         , HELPER.autoDouble(new Identifier("block/slab"), ReFramed.id("block/half_layer/slab/east/layer_4")));
+        // STEP HALF LAYER
+        HELPER.addReFramedModel("steps_half_inventory"         , HELPER.autoDouble(ReFramed.id("block/step/down"), ReFramed.id("block/half_layer/slab/east/layer_4")));
+        // --------------------- east
+        HELPER.addReFramedModel("second_half_layer_2"          , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_2")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_4"          , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_4")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_6"          , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_6")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_8"          , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_8")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_10"         , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_10")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_12"         , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_12")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_14"         , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_14")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_16"         , HELPER.auto(ReFramed.id("block/half_layer/slab/east/layer_16")).setThemeIndex(2));
+        // --------------------- side
+        HELPER.addReFramedModel("second_half_layer_side_2"     , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_2")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_4"     , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_4")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_6"     , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_6")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_8"     , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_8")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_10"    , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_10")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_12"    , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_12")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_14"    , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_14")).setThemeIndex(2));
+        HELPER.addReFramedModel("second_half_layer_side_16"    , HELPER.auto(ReFramed.id("block/half_layer/slab/side/layer_16")).setThemeIndex(2));
+        // HALF SLAB
+        HELPER.addReFramedModel("half_slab"                    , HELPER.auto(ReFramed.id("block/half_slab/default")));
+        // HALF SLABS SLAB
+        HELPER.addReFramedModel("half_slabs_slab"              , HELPER.autoDouble(ReFramed.id("block/half_slab/default"), ReFramed.id("block/half_slab/complement")));
+        // SLABS LAYER
+        HELPER.addReFramedModel("slabs_layer_2"                , HELPER.autoDouble(new Identifier("block/slab"), ReFramed.id("block/layer_top/layer_2")));
+        HELPER.addReFramedModel("slabs_layer_4"                , HELPER.autoDouble(new Identifier("block/slab"), ReFramed.id("block/layer_top/layer_4")));
+        HELPER.addReFramedModel("slabs_layer_6"                , HELPER.autoDouble(new Identifier("block/slab"), ReFramed.id("block/layer_top/layer_6")));
+        HELPER.addReFramedModel("slabs_layer_8"                , HELPER.autoDouble(new Identifier("block/slab"), ReFramed.id("block/layer_top/layer_8")));
 
 
-		//item model assignments (in lieu of models/item/___.json)
-		HELPER.assignItemModel("cube"                  , ReFramed.CUBE);
-		HELPER.assignItemModel("small_cube"            , ReFramed.SMALL_CUBE);
-		HELPER.assignItemModel("small_cubes_step"      , ReFramed.SMALL_CUBES_STEP);
-		HELPER.assignItemModel("slab"                  , ReFramed.SLAB);
-		HELPER.assignItemModel("double_slab"           , ReFramed.SLABS_CUBE);
-		HELPER.assignItemModel("stair"                 , ReFramed.STAIR);
-		HELPER.assignItemModel("stairs_cube"           , ReFramed.STAIRS_CUBE);
-		HELPER.assignItemModel("half_stair_down"       , ReFramed.HALF_STAIR);
-		HELPER.assignItemModel("half_stairs_slab_down" , ReFramed.HALF_STAIRS_SLAB);
-		HELPER.assignItemModel("half_stairs_stair_down", ReFramed.HALF_STAIRS_STAIR);
-		HELPER.assignItemModel("step"                  , ReFramed.STEP);
-		HELPER.assignItemModel("steps_slab"            , ReFramed.STEPS_SLAB);
-		HELPER.assignItemModel("layer_1"               , ReFramed.LAYER);
-		HELPER.assignItemModel("pillar"                , ReFramed.PILLAR);
-		HELPER.assignItemModel("pillars_wall_inventory", ReFramed.PILLARS_WALL);
-		HELPER.assignItemModel("wall_inventory"        , ReFramed.WALL);
-        HELPER.assignItemModel("pane_inventory"        , ReFramed.PANE);
-        HELPER.assignItemModel("trapdoor_bottom"       , ReFramed.TRAPDOOR);
-        HELPER.assignItemModel("door_inventory"        , ReFramed.DOOR);
-        HELPER.assignItemModel("button_inventory"      , ReFramed.BUTTON);
-        HELPER.assignItemModel("post"                  , ReFramed.POST);
-        HELPER.assignItemModel("fence_inventory"       , ReFramed.FENCE);
-        HELPER.assignItemModel("post_fence_inventory"  , ReFramed.POST_FENCE);
+
+		// item model assignments (in lieu of models/item/___.json)
+		HELPER.assignItemModel("cube"                    , ReFramed.CUBE);
+		HELPER.assignItemModel("small_cube"              , ReFramed.SMALL_CUBE);
+		HELPER.assignItemModel("small_cubes_step"        , ReFramed.SMALL_CUBES_STEP);
+		HELPER.assignItemModel("slab"                    , ReFramed.SLAB);
+		HELPER.assignItemModel("double_slab"             , ReFramed.SLABS_CUBE);
+		HELPER.assignItemModel("stair"                   , ReFramed.STAIR);
+		HELPER.assignItemModel("stairs_cube"             , ReFramed.STAIRS_CUBE);
+		HELPER.assignItemModel("half_stair_down"         , ReFramed.HALF_STAIR);
+		HELPER.assignItemModel("half_stairs_slab_down"   , ReFramed.HALF_STAIRS_SLAB);
+		HELPER.assignItemModel("half_stairs_stair_down"  , ReFramed.HALF_STAIRS_STAIR);
+		HELPER.assignItemModel("step"                    , ReFramed.STEP);
+		HELPER.assignItemModel("steps_slab"              , ReFramed.STEPS_SLAB);
+		HELPER.assignItemModel("layer_1"                 , ReFramed.LAYER);
+		HELPER.assignItemModel("pillar"                  , ReFramed.PILLAR);
+		HELPER.assignItemModel("pillars_wall_inventory"  , ReFramed.PILLARS_WALL);
+		HELPER.assignItemModel("wall_inventory"          , ReFramed.WALL);
+        HELPER.assignItemModel("pane_inventory"          , ReFramed.PANE);
+        HELPER.assignItemModel("trapdoor_bottom"         , ReFramed.TRAPDOOR);
+        HELPER.assignItemModel("door_inventory"          , ReFramed.DOOR);
+        HELPER.assignItemModel("button_inventory"        , ReFramed.BUTTON);
+        HELPER.assignItemModel("post"                    , ReFramed.POST);
+        HELPER.assignItemModel("fence_inventory"         , ReFramed.FENCE);
+        HELPER.assignItemModel("post_fence_inventory"    , ReFramed.POST_FENCE);
+        HELPER.assignItemModel("slabs_stair"             , ReFramed.SLABS_STAIR);
+        HELPER.assignItemModel("slabs_outer_stair"       , ReFramed.SLABS_OUTER_STAIR);
+        HELPER.assignItemModel("slabs_inner_stair"       , ReFramed.SLABS_INNER_STAIR);
+        HELPER.assignItemModel("steps_cross"             , ReFramed.STEPS_CROSS);
+        HELPER.assignItemModel("half_stairs_cube_stair"  , ReFramed.HALF_STAIRS_CUBE_STAIR);
+        HELPER.assignItemModel("half_stairs_step_stair_1", ReFramed.HALF_STAIRS_STEP_STAIR);
+        HELPER.assignItemModel("half_layer_2"            , ReFramed.HALF_LAYER);
+        HELPER.assignItemModel("slabs_half_inventory"    , ReFramed.SLABS_HALF_LAYER);
+        HELPER.assignItemModel("steps_half_inventory"    , ReFramed.STEPS_HALF_LAYER);
+        HELPER.assignItemModel("half_slab"               , ReFramed.HALF_SLAB);
+        HELPER.assignItemModel("half_slabs_slab"         , ReFramed.HALF_SLABS_SLAB);
+        HELPER.assignItemModel("slabs_layer_2"           , ReFramed.SLABS_LAYER);
 	}
 	
 	private void privateInit() {

src/main/java/fr/adrien1106/reframed/client/model/RetexturingBakedModel.java

@@ -85,7 +85,7 @@ public abstract class RetexturingBakedModel extends ForwardingBakedModel {
                         appearance_manager.getDefaultAppearance(theme_index),
                         0
                     ),
-                    state
+                    state == null ? item_state : state
                 )
             );
         }
@@ -190,9 +190,14 @@ public abstract class RetexturingBakedModel extends ForwardingBakedModel {
 
 	public boolean useAmbientOcclusion(BlockRenderView view, BlockPos pos) {
 		if (!(view.getBlockEntity(pos) instanceof ThemeableBlockEntity frame_entity)) return false;
+        BlockState theme = frame_entity.getTheme(theme_index);
 		CamoAppearance appearance = appearance_manager
-			.getCamoAppearance(view, frame_entity.getTheme(theme_index), pos, theme_index, false);
-		return appearance.getAO(theme_index);
+			.getCamoAppearance(view, theme, pos, theme_index, false);
+
+        long seed = theme.getRenderingSeed(pos);
+        int model_id = 0;
+        if (appearance instanceof WeightedComputedAppearance wca) model_id = wca.getAppearanceIndex(seed);
+		return appearance.getAO(model_id);
 	}
 
 	protected Mesh getRetexturedMesh(MeshCacheKey key, BlockState state) {

src/main/java/fr/adrien1106/reframed/client/util/RaycastResult.java

@@ -0,0 +1,7 @@
+package fr.adrien1106.reframed.client.util;
+
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+
+public record RaycastResult(Vec3d pos, Direction face, boolean inside) {
+}

src/main/java/fr/adrien1106/reframed/client/voxel/MorphBox.java

@@ -0,0 +1,42 @@
+package fr.adrien1106.reframed.client.voxel;
+
+import fr.adrien1106.reframed.client.util.RaycastResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Vec3d;
+
+import java.util.List;
+import java.util.Objects;
+
+public class MorphBox extends Box {
+    protected List<Triangle> triangles;
+
+    public MorphBox(List<Triangle> triangles) {
+        super(new BlockPos(0, 0, 0));
+        this.triangles = triangles;
+    }
+
+    public RaycastResult triangleRaycast(Vec3d min, Vec3d max) {
+        return triangles.stream()
+            .map(triangle -> {
+                Vec3d inter = triangle.intersection(min, max);
+                if (inter == null) return null;
+                return new RaycastResult(
+                    inter,
+                    triangle.face(),
+                    false
+                );
+            })
+            .filter(Objects::nonNull)
+            .findFirst()
+            .orElseGet(() -> isInside(min) ? new RaycastResult(
+                min,
+                triangles.get(0).face(),
+                true
+            ) : null);
+    }
+
+    public boolean isInside(Vec3d point) {
+        return triangles.stream().allMatch(triangle -> triangle.after(point));
+    }
+}

src/main/java/fr/adrien1106/reframed/client/voxel/MorphVoxel.java

@@ -0,0 +1,100 @@
+package fr.adrien1106.reframed.client.voxel;
+
+import fr.adrien1106.reframed.client.util.RaycastResult;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.*;
+import net.minecraft.util.shape.SimpleVoxelShape;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
+
+/**
+ * Represents a VoxelShape that can be morphed using its 8 vertices.
+ * the vertices are distributed as follows:
+ * <pre><code>
+ *       E--------F   ABCD ->  NORTH
+ *    ^ /|       /|   EFGH ->  SOUTH
+ *    |/ |      / |   AHED ->  EAST
+ *    D--------C  |   BCGF ->  WEST
+ *    |  |/    |  |   ABGH ->  DOWN
+ *    |  H-----|--G   CDFE ->  UP
+ *    | /      | /
+ *    |/       |/
+ *    A--------B->
+ * </code></pre>
+ */
+public class MorphVoxel extends SimpleVoxelShape {
+
+    private static final int[][] EDGE_INDICES = {
+        {0, 1},
+        {1, 2},
+        {2, 3},
+        {3, 0},
+        {0, 7},
+        {1, 6},
+        {2, 5},
+        {3, 4},
+        {4, 5},
+        {5, 6},
+        {6, 7},
+        {7, 4}
+    };
+
+    private static final int[][] FACE_INDICES = {
+        {7, 6, 1, 0},
+        {5, 4, 3, 2},
+        {0, 1, 2, 3},
+        {4, 5, 6, 7},
+        {0, 3, 4, 7},
+        {6, 5, 2, 1}
+    };
+
+    protected final Vec3d[] v;
+    MorphBox box;
+
+    public MorphVoxel(VoxelShape wrapper, Vec3d[] vertices) {
+        super(wrapper.voxels);
+        List<Triangle> triangles = new ArrayList<>();
+        Stream.of(Direction.values()).forEach(dir -> {
+            int i = dir.ordinal();
+            List<Vec3d> v = IntStream.range(0, 4).mapToObj(j -> { // remove matching vertices
+                if (vertices[FACE_INDICES[i][j]].equals(vertices[FACE_INDICES[i][(j+1)%4]])) return null;
+                return vertices[FACE_INDICES[i][j]];
+            }).filter(Objects::nonNull).toList();
+
+            if (v.size() < 3) return; // skip if there are less than 3 vertices (e.g. a line/dot)
+            triangles.add(Triangle.of(dir,v));
+        });
+        box = new MorphBox(triangles);
+        v = vertices;
+    }
+
+    @Nullable
+    @Override
+    public BlockHitResult raycast(Vec3d start, Vec3d end, BlockPos pos) {
+        RaycastResult result = box.triangleRaycast(start.subtract(pos.getX(), pos.getY(), pos.getZ()), end.subtract(pos.getX(), pos.getY(), pos.getZ()));
+        return result == null
+            ? null
+            : new BlockHitResult(
+                result.pos().add(pos.getX(), pos.getY(), pos.getZ()),
+                result.face(),
+                pos,
+                result.inside()
+            );
+    }
+
+    @Override
+    public void forEachEdge(VoxelShapes.BoxConsumer consumer) {
+        IntStream.range(0, 12).forEach(i -> {
+            Vec3d a = v[EDGE_INDICES[i][0]];
+            Vec3d b = v[EDGE_INDICES[i][1]];
+            consumer.consume(a.x, a.y, a.z, b.x, b.y, b.z);
+        });
+    }
+}

src/main/java/fr/adrien1106/reframed/client/voxel/Triangle.java

@@ -0,0 +1,78 @@
+package fr.adrien1106.reframed.client.voxel;
+
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+
+import java.util.List;
+import java.util.stream.IntStream;
+
+/**
+ * Represents a Face of a MorphVoxel.
+ * @param v - list of vertices on the same plane
+ * @param e - list of the outer edges
+ * @param n - normal of the face
+ * @param face - the direction of the face
+ */
+public record Triangle(Vec3d[] v, Vec3d[] e, Vec3d n, Direction face) {
+
+    /**
+     * Creates a Triangle from a list of vertices.
+     * @param face - the direction of the face
+     * @param vertices - list of vertices on the same plane
+     * @return the Triangle
+     */
+    public static Triangle of(Direction face, List<Vec3d> vertices) {
+        assert vertices.size() >= 3;
+        Vec3d[] v = vertices.toArray(new Vec3d[0]);
+
+        // compute the edges
+        Vec3d[] e = new Vec3d[v.length];
+        IntStream.range(0, v.length).forEach(i -> e[i] = v[(i + 1) % v.length].subtract(v[i]));
+
+        // compute the normal
+        Vec3d n = v[1].subtract(v[0]).crossProduct(v[2].subtract(v[0])).normalize();
+
+        return new Triangle(v, e, n, face);
+    }
+
+    /**
+     * Computes the intersection of a ray with the triangle.
+     * @param start - the start of the ray
+     * @param end - the end of the ray
+     * @return the intersection point or null if there is no intersection
+     */
+    public Vec3d intersection(Vec3d start, Vec3d end) {
+        Vec3d start_v0 = start.subtract(v[0]);
+        Vec3d end_v1 = end.subtract(v[1]);
+
+        // check if the ray intersects the plane
+        if (n.dotProduct(start_v0) * n.dotProduct(end_v1) >= 0) return null;
+
+        Vec3d ray = end.subtract(start);
+        double direction = n.dotProduct(ray);
+
+        // plane normal is facing away from the ray
+        if (direction < 0) return null;
+
+        // get Intersection point
+        double t = -n.dotProduct(start_v0) / direction;
+        Vec3d intersection = start.add(ray.multiply(t));
+
+        // check if the intersection is inside the triangle
+        for (int i = 0; i < v.length; i++) {
+            Vec3d edge = e[i];
+            Vec3d edge_intersection = intersection.subtract(v[i]);
+            if (edge_intersection.length() < 1e-6) break; // intersection is on the vertex
+
+            double a = n.dotProduct(edge.crossProduct(edge_intersection));
+            if (a <= 0) return null; // intersection is outside the triangle
+            if (a <= edge.length() * 1e-6) break; // intersection is on the edge
+        }
+
+        return intersection;
+    }
+
+    public boolean after(Vec3d point) {
+        return n.dotProduct(point.subtract(v[0])) > 0;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/GBlockstate.java

@@ -22,16 +22,28 @@ public class GBlockstate extends FabricModelProvider {
         providers.put(ReFramedHalfStairBlock.class, new HalfStair());
         providers.put(ReFramedHalfStairsSlabBlock.class, new HalfStairsSlab());
         providers.put(ReFramedHalfStairsStairBlock.class, new HalfStairsStair());
+        providers.put(ReFramedHalfStairsCubeStairBlock.class, new HalfStairsCubeStair());
+        providers.put(ReFramedHalfStairsStepStairBlock.class, new HalfStairsStepStair());
         providers.put(ReFramedLayerBlock.class, new Layer());
+        providers.put(ReFramedHalfLayerBlock.class, new HalfLayer());
         providers.put(ReFramedPillarBlock.class, new Pillar());
         providers.put(ReFramedSlabBlock.class, new Slab());
         providers.put(ReFramedSlabsCubeBlock.class, new SlabsCube());
+        providers.put(ReFramedSlabsStairBlock.class, new SlabsStair());
+        providers.put(ReFramedSlabsOuterStairBlock.class, new SlabsOuterStair());
+        providers.put(ReFramedSlabsInnerStairBlock.class, new SlabsInnerStair());
+        providers.put(ReFramedSlabsHalfLayerBlock.class, new SlabsHalfLayer());
+        providers.put(ReFramedSlabsLayerBlock.class, new SlabsLayer());
+        providers.put(ReFramedHalfSlabBlock.class, new HalfSlab());
+        providers.put(ReFramedHalfSlabsSlabBlock.class, new HalfSlabsSlab());
         providers.put(ReFramedSmallCubeBlock.class, new SmallCube());
         providers.put(ReFramedSmallCubesStepBlock.class, new SmallCubesStep());
         providers.put(ReFramedStairBlock.class, new Stair());
         providers.put(ReFramedStairsCubeBlock.class, new StairsCube());
         providers.put(ReFramedStepBlock.class, new Step());
         providers.put(ReFramedStepsSlabBlock.class, new StepsSlab());
+        providers.put(ReFramedStepsCrossBlock.class, new StepsCross());
+        providers.put(ReFramedStepsHalfLayerBlock.class, new StepsHalfLayer());
         providers.put(ReFramedPillarsWallBlock.class, new PillarsWall());
         providers.put(ReFramedWallBlock.class, new Wall());
         providers.put(ReFramedPaneBlock.class, new Pane());
@@ -41,6 +53,8 @@ public class GBlockstate extends FabricModelProvider {
         providers.put(ReFramedPostBlock.class, new Post());
         providers.put(ReFramedFenceBlock.class, new Fence());
         providers.put(ReFramedPostFenceBlock.class, new PostFence());
+
+        providers.put(TestBlock.class, new Test());
     }
 
     public GBlockstate(FabricDataOutput output) {

src/main/java/fr/adrien1106/reframed/generator/GRecipe.java

@@ -24,16 +24,28 @@ public class GRecipe extends FabricRecipeProvider {
         providers.put(ReFramedHalfStairBlock.class, new HalfStair());
         providers.put(ReFramedHalfStairsSlabBlock.class, new HalfStairsSlab());
         providers.put(ReFramedHalfStairsStairBlock.class, new HalfStairsStair());
+        providers.put(ReFramedHalfStairsCubeStairBlock.class, new HalfStairsCubeStair());
+        providers.put(ReFramedHalfStairsStepStairBlock.class, new HalfStairsStepStair());
         providers.put(ReFramedLayerBlock.class, new Layer());
+        providers.put(ReFramedHalfLayerBlock.class, new HalfLayer());
         providers.put(ReFramedPillarBlock.class, new Pillar());
         providers.put(ReFramedSlabBlock.class, new Slab());
         providers.put(ReFramedSlabsCubeBlock.class, new SlabsCube());
+        providers.put(ReFramedSlabsStairBlock.class, new SlabsStair());
+        providers.put(ReFramedSlabsOuterStairBlock.class, new SlabsOuterStair());
+        providers.put(ReFramedSlabsInnerStairBlock.class, new SlabsInnerStair());
+        providers.put(ReFramedSlabsHalfLayerBlock.class, new SlabsHalfLayer());
+        providers.put(ReFramedSlabsLayerBlock.class, new SlabsLayer());
+        providers.put(ReFramedHalfSlabBlock.class, new HalfSlab());
+        providers.put(ReFramedHalfSlabsSlabBlock.class, new HalfSlabsSlab());
         providers.put(ReFramedSmallCubeBlock.class, new SmallCube());
         providers.put(ReFramedSmallCubesStepBlock.class, new SmallCubesStep());
         providers.put(ReFramedStairBlock.class, new Stair());
         providers.put(ReFramedStairsCubeBlock.class, new StairsCube());
         providers.put(ReFramedStepBlock.class, new Step());
         providers.put(ReFramedStepsSlabBlock.class, new StepsSlab());
+        providers.put(ReFramedStepsCrossBlock.class, new StepsCross());
+        providers.put(ReFramedStepsHalfLayerBlock.class, new StepsHalfLayer());
         providers.put(ReFramedPillarsWallBlock.class, new PillarsWall());
         providers.put(ReFramedWallBlock.class, new Wall());
         providers.put(ReFramedPaneBlock.class, new Pane());

src/main/java/fr/adrien1106/reframed/generator/block/CornerDouble.java

@@ -0,0 +1,77 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+
+public class CornerDouble {
+
+
+    public static MultipartBlockStateSupplier getMultipart(Block block, String model_name) {
+        Identifier model_id = ReFramed.id(model_name + "_special");
+        Identifier side_id = ReFramed.id(model_name + "_side_special");
+        return MultipartBlockStateSupplier.create(block)
+            // BOTTOM
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R270))
+            // TOP
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R270))
+            // EAST
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R0))
+            // SOUTH
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R90))
+            // WEST
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R180))
+            // NORTH
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R270))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R270))
+            ;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/HalfLayer.java

@@ -0,0 +1,171 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.BlockStateSupplier;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+
+import java.util.Map;
+
+import static fr.adrien1106.reframed.generator.GBlockstate.variant;
+import static fr.adrien1106.reframed.generator.GBlockstate.when;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static fr.adrien1106.reframed.util.blocks.Edge.*;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+import static net.minecraft.state.property.Properties.LAYERS;
+
+public class HalfLayer implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 16);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible, 2)
+            .input(ReFramed.LAYER)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public BlockStateSupplier getMultipart(Block block) {
+        return getMultipart(block, "half_layer");
+    }
+        
+    public static MultipartBlockStateSupplier getMultipart(Block block, String layer) {
+        Map<Integer, Identifier> layer_model = Map.of(
+            1, ReFramed.id(layer + "_2_special"),
+            2, ReFramed.id(layer + "_4_special"),
+            3, ReFramed.id(layer + "_6_special"),
+            4, ReFramed.id(layer + "_8_special"),
+            5, ReFramed.id(layer + "_10_special"),
+            6, ReFramed.id(layer + "_12_special"),
+            7, ReFramed.id(layer + "_14_special"),
+            8, ReFramed.id(layer + "_16_special")
+        );
+        Map<Integer, Identifier> layer_side = Map.of(
+            1, ReFramed.id(layer + "_side_2_special"),
+            2, ReFramed.id(layer + "_side_4_special"),
+            3, ReFramed.id(layer + "_side_6_special"),
+            4, ReFramed.id(layer + "_side_8_special"),
+            5, ReFramed.id(layer + "_side_10_special"),
+            6, ReFramed.id(layer + "_side_12_special"),
+            7, ReFramed.id(layer + "_side_14_special"),
+            8, ReFramed.id(layer + "_side_16_special")
+        );
+        MultipartBlockStateSupplier supplier = MultipartBlockStateSupplier.create(block);
+        // DOWN
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, DOWN_EAST, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R0))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, DOWN_SOUTH, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R90))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, WEST_DOWN, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R0, R180))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, NORTH_DOWN, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R0, R270))
+        );
+        // UP
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, EAST_UP, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R0))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, SOUTH_UP, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R90))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, UP_WEST, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R180, R180))
+        );
+        layer_model.forEach((i, model) ->
+            supplier.with(when(EDGE, UP_NORTH, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R180, R270))
+        );
+        // EAST
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, EAST_SOUTH, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R0))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, EAST_UP, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R90, R0))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, NORTH_EAST, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R0))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, DOWN_EAST, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R270, R0))
+        );
+        // SOUTH
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, SOUTH_WEST, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R90))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, SOUTH_UP, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R90, R90))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, EAST_SOUTH, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R90))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, DOWN_SOUTH, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R270, R90))
+        );
+        // WEST
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, WEST_NORTH, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R180))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, UP_WEST, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R90, R180))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, SOUTH_WEST, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R180))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, WEST_DOWN, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R270, R180))
+        );
+        // NORTH
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, NORTH_EAST, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R0, R270))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, UP_NORTH, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R90, R270))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, WEST_NORTH, EDGE_FACE, 1, LAYERS, i),
+                variant(model, true, R180, R270))
+        );
+        layer_side.forEach((i, model) ->
+            supplier.with(when(EDGE, NORTH_DOWN, EDGE_FACE, 0, LAYERS, i),
+                variant(model, true, R270, R270))
+        );
+        return supplier;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/HalfSlab.java

@@ -0,0 +1,34 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class HalfSlab implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 4);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible, 2)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return Slab.getMultipart(block, "half_slab");
+    }
+
+
+}

src/main/java/fr/adrien1106/reframed/generator/block/HalfSlabsSlab.java

@@ -0,0 +1,34 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class HalfSlabsSlab implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 2);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible, 1)
+            .input(ReFramed.HALF_SLAB, 2)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return Slab.getMultipart(block, "half_slabs_slab");
+    }
+
+
+}

src/main/java/fr/adrien1106/reframed/generator/block/HalfStairsCubeStair.java

@@ -0,0 +1,33 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class HalfStairsCubeStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.SMALL_CUBE)
+            .input(ReFramed.HALF_STAIR)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return CornerDouble.getMultipart(block, "half_stairs_cube_stair");
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/HalfStairsStepStair.java

@@ -0,0 +1,159 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+import static net.minecraft.data.client.VariantSettings.Rotation.R270;
+
+public class HalfStairsStepStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.SMALL_CUBE)
+            .input(ReFramed.HALF_STAIR)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        Identifier model_1_id = ReFramed.id("half_stairs_step_stair_1_special");
+        Identifier side_1_id = ReFramed.id("half_stairs_step_stair_side_1_special");
+        Identifier model_2_id = ReFramed.id("half_stairs_step_stair_2_special");
+        Identifier side_2_id = ReFramed.id("half_stairs_step_stair_side_2_special");
+        return MultipartBlockStateSupplier.create(block)
+            // BOTTOM
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_1_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_1_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_1_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_1_id, true, R0, R270))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_2_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_2_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_2_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_2_id, true, R0, R270))
+            // TOP
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_1_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_1_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_1_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 2, CORNER_FEATURE, 1),
+                GBlockstate.variant(model_1_id, true, R180, R270))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_2_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_2_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_2_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 2, CORNER_FEATURE, 0),
+                GBlockstate.variant(model_2_id, true, R180, R270))
+            // EAST
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R90, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R270, R0))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R90, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R270, R0))
+            // SOUTH
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R90, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R270, R90))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R90, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R270, R90))
+            // WEST
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R90, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R270, R180))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R90, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R270, R180))
+            // NORTH
+            // --- 1 ---
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R0, R270))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R90, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_1_id, true, R180, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_1_id, true, R270, R270))
+            // --- 2 ---
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 0, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R0, R270))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 0, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R90, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 1, CORNER_FEATURE, 1),
+                GBlockstate.variant(side_2_id, true, R180, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 1, CORNER_FEATURE, 0),
+                GBlockstate.variant(side_2_id, true, R270, R270))
+            ;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/Slab.java

@@ -34,7 +34,11 @@ public class Slab implements RecipeSetter, BlockStateProvider {
 
     @Override
     public MultipartBlockStateSupplier getMultipart(Block block) {
-        Identifier model_id = ReFramed.id("slab_special");
+        return getMultipart(block, "slab");
+    }
+
+    public static MultipartBlockStateSupplier getMultipart(Block block, String model_name) {
+        Identifier model_id = ReFramed.id(model_name + "_special");
         return MultipartBlockStateSupplier.create(block)
             .with(GBlockstate.when(FACING, Direction.DOWN),
                 GBlockstate.variant(model_id, true, R0, R0))
@@ -49,4 +53,6 @@ public class Slab implements RecipeSetter, BlockStateProvider {
             .with(GBlockstate.when(FACING, Direction.EAST),
                 GBlockstate.variant(model_id, true, R90, R270));
     }
+
+
 }

src/main/java/fr/adrien1106/reframed/generator/block/SlabsHalfLayer.java

@@ -0,0 +1,93 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.BlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.generator.GBlockstate.variant;
+import static fr.adrien1106.reframed.generator.GBlockstate.when;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static fr.adrien1106.reframed.util.blocks.Edge.*;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+import static net.minecraft.data.client.When.anyOf;
+
+public class SlabsHalfLayer implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 2);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.HALF_LAYER)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public BlockStateSupplier getMultipart(Block block) {
+        Identifier slab_model = ReFramed.id("slab_special");
+        return HalfLayer.getMultipart(block, "second_half_layer")
+            .with(
+                anyOf(
+                    when(EDGE, DOWN_EAST, EDGE_FACE, 0),
+                    when(EDGE, DOWN_SOUTH, EDGE_FACE, 0),
+                    when(EDGE, WEST_DOWN, EDGE_FACE, 1),
+                    when(EDGE, NORTH_DOWN, EDGE_FACE, 1)
+                ),
+                variant(slab_model, true, R0, R0))
+            .with(
+                anyOf(
+                    when(EDGE, EAST_SOUTH, EDGE_FACE, 1),
+                    when(EDGE, DOWN_SOUTH, EDGE_FACE, 1),
+                    when(EDGE, SOUTH_WEST, EDGE_FACE, 0),
+                    when(EDGE, SOUTH_UP, EDGE_FACE, 0)
+                ),
+                variant(slab_model, true, R90, R0))
+            .with(
+                anyOf(
+                    when(EDGE, UP_WEST, EDGE_FACE, 0),
+                    when(EDGE, UP_NORTH, EDGE_FACE, 0),
+                    when(EDGE, EAST_UP, EDGE_FACE, 1),
+                    when(EDGE, SOUTH_UP, EDGE_FACE, 1)
+                ),
+                variant(slab_model, true, R180, R0))
+            .with(
+                anyOf(
+                    when(EDGE, WEST_NORTH, EDGE_FACE, 1),
+                    when(EDGE, UP_NORTH, EDGE_FACE, 1),
+                    when(EDGE, NORTH_EAST, EDGE_FACE, 0),
+                    when(EDGE, NORTH_DOWN, EDGE_FACE, 0)
+                ),
+                variant(slab_model, true, R270, R0))
+            .with(
+                anyOf(
+                    when(EDGE, SOUTH_WEST, EDGE_FACE, 1),
+                    when(EDGE, UP_WEST, EDGE_FACE, 1),
+                    when(EDGE, WEST_NORTH, EDGE_FACE, 0),
+                    when(EDGE, WEST_DOWN, EDGE_FACE, 0)
+                ),
+                variant(slab_model, true, R90, R90))
+            .with(
+                anyOf(
+                    when(EDGE, NORTH_EAST, EDGE_FACE, 1),
+                    when(EDGE, DOWN_EAST, EDGE_FACE, 1),
+                    when(EDGE, EAST_SOUTH, EDGE_FACE, 0),
+                    when(EDGE, EAST_UP, EDGE_FACE, 0)
+                ),
+                variant(slab_model, true, R90, R270))
+        ;
+    }
+
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsInnerStair.java

@@ -0,0 +1,33 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class SlabsInnerStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.HALF_STAIR)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return CornerDouble.getMultipart(block, "slabs_inner_stair");
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsLayer.java

@@ -0,0 +1,58 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.math.Direction;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.HALF_LAYERS;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+import static net.minecraft.state.property.Properties.FACING;
+
+public class SlabsLayer implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 2);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible, 1)
+            .input(ReFramed.SLAB)
+            .input(ReFramed.LAYER)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        String model_pattern = "slabs_layer_x_special";
+        MultipartBlockStateSupplier supplier = MultipartBlockStateSupplier.create(block);
+        for (int i = 1; i <= 4; i++) {
+            Identifier model = ReFramed.id(model_pattern.replace("x", i * 2 + ""));
+            supplier
+                .with(GBlockstate.when(FACING, Direction.DOWN, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R0, R0))
+                .with(GBlockstate.when(FACING, Direction.SOUTH, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R90, R0))
+                .with(GBlockstate.when(FACING, Direction.UP, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R180, R0))
+                .with(GBlockstate.when(FACING, Direction.NORTH, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R270, R0))
+                .with(GBlockstate.when(FACING, Direction.WEST, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R90, R90))
+                .with(GBlockstate.when(FACING, Direction.EAST, HALF_LAYERS, i),
+                    GBlockstate.variant(model, true, R90, R270));
+        }
+        return supplier;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsOuterStair.java

@@ -0,0 +1,33 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class SlabsOuterStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.SMALL_CUBE)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return CornerDouble.getMultipart(block, "slabs_outer_stair");
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsStair.java

@@ -0,0 +1,97 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+
+public class SlabsStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.STEP)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        Identifier model_id = ReFramed.id("slabs_stair_special");
+        Identifier side_id = ReFramed.id("slabs_stair_side_special");
+        return MultipartBlockStateSupplier.create(block)
+            // BOTTOM
+            .with(GBlockstate.when(EDGE, Edge.DOWN_EAST, EDGE_FACE, 0),
+                GBlockstate.variant(model_id, true, R0, R0))
+            .with(GBlockstate.when(EDGE, Edge.DOWN_SOUTH, EDGE_FACE, 0),
+                GBlockstate.variant(model_id, true, R0, R90))
+            .with(GBlockstate.when(EDGE, Edge.WEST_DOWN, EDGE_FACE, 1),
+                GBlockstate.variant(model_id, true, R0, R180))
+            .with(GBlockstate.when(EDGE, Edge.NORTH_DOWN, EDGE_FACE, 1),
+                GBlockstate.variant(model_id, true, R0, R270))
+            // TOP
+            .with(GBlockstate.when(EDGE, Edge.EAST_UP, EDGE_FACE, 1),
+                GBlockstate.variant(model_id, true, R180, R0))
+            .with(GBlockstate.when(EDGE, Edge.SOUTH_UP, EDGE_FACE, 1),
+                GBlockstate.variant(model_id, true, R180, R90))
+            .with(GBlockstate.when(EDGE, Edge.UP_WEST, EDGE_FACE, 0),
+                GBlockstate.variant(model_id, true, R180, R180))
+            .with(GBlockstate.when(EDGE, Edge.UP_NORTH, EDGE_FACE, 0),
+                GBlockstate.variant(model_id, true, R180, R270))
+            // EAST
+            .with(GBlockstate.when(EDGE, Edge.EAST_SOUTH, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R0))
+            .with(GBlockstate.when(EDGE, Edge.EAST_UP, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R0))
+            .with(GBlockstate.when(EDGE, Edge.NORTH_EAST, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R0))
+            .with(GBlockstate.when(EDGE, Edge.DOWN_EAST, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R0))
+            // SOUTH
+            .with(GBlockstate.when(EDGE, Edge.SOUTH_WEST, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R90))
+            .with(GBlockstate.when(EDGE, Edge.SOUTH_UP, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R90))
+            .with(GBlockstate.when(EDGE, Edge.EAST_SOUTH, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R90))
+            .with(GBlockstate.when(EDGE, Edge.DOWN_SOUTH, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R90))
+            // WEST
+            .with(GBlockstate.when(EDGE, Edge.WEST_NORTH, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R180))
+            .with(GBlockstate.when(EDGE, Edge.UP_WEST, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R90, R180))
+            .with(GBlockstate.when(EDGE, Edge.SOUTH_WEST, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R180))
+            .with(GBlockstate.when(EDGE, Edge.WEST_DOWN, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R270, R180))
+            // NORTH
+            .with(GBlockstate.when(EDGE, Edge.NORTH_EAST, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R270))
+            .with(GBlockstate.when(EDGE, Edge.UP_NORTH, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R90, R270))
+            .with(GBlockstate.when(EDGE, Edge.WEST_NORTH, EDGE_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R270))
+            .with(GBlockstate.when(EDGE, Edge.NORTH_DOWN, EDGE_FACE, 0),
+                GBlockstate.variant(side_id, true, R270, R270))
+            ;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SmallCubesStep.java

@@ -2,23 +2,15 @@ package fr.adrien1106.reframed.generator.block;
 
 import fr.adrien1106.reframed.ReFramed;
 import fr.adrien1106.reframed.generator.BlockStateProvider;
-import fr.adrien1106.reframed.generator.GBlockstate;
 import fr.adrien1106.reframed.generator.RecipeSetter;
 import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
 import net.minecraft.block.Block;
 import net.minecraft.data.client.BlockStateSupplier;
-import net.minecraft.data.client.MultipartBlockStateSupplier;
 import net.minecraft.data.server.recipe.RecipeExporter;
 import net.minecraft.data.server.recipe.RecipeProvider;
 import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
 import net.minecraft.item.ItemConvertible;
 import net.minecraft.recipe.book.RecipeCategory;
-import net.minecraft.util.Identifier;
-
-import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
-import static fr.adrien1106.reframed.util.blocks.Edge.*;
-import static fr.adrien1106.reframed.util.blocks.Edge.SOUTH_UP;
-import static net.minecraft.data.client.VariantSettings.Rotation.*;
 
 public class SmallCubesStep implements RecipeSetter, BlockStateProvider {
 
@@ -35,35 +27,6 @@ public class SmallCubesStep implements RecipeSetter, BlockStateProvider {
 
     @Override
     public BlockStateSupplier getMultipart(Block block) {
-        Identifier model_id = ReFramed.id("small_cubes_step_special");
-        Identifier reverse_model_id = ReFramed.id("small_cubes_step_reverse_special");
-        return MultipartBlockStateSupplier.create(block)
-            /* X AXIS */
-            .with(GBlockstate.when(EDGE, DOWN_EAST),
-                GBlockstate.variant(model_id, true, R0, R0))
-            .with(GBlockstate.when(EDGE, EAST_UP),
-                GBlockstate.variant(reverse_model_id, true, R180, R0))
-            .with(GBlockstate.when(EDGE, UP_WEST),
-                GBlockstate.variant(model_id, true, R180, R180))
-            .with(GBlockstate.when(EDGE, WEST_DOWN),
-                GBlockstate.variant(reverse_model_id, true, R0, R180))
-            /* Y AXIS */
-            .with(GBlockstate.when(EDGE, EAST_SOUTH),
-                GBlockstate.variant(model_id, true, R90, R0))
-            .with(GBlockstate.when(EDGE, SOUTH_WEST),
-                GBlockstate.variant(model_id, true, R90, R90))
-            .with(GBlockstate.when(EDGE, WEST_NORTH),
-                GBlockstate.variant(model_id, true, R90, R180))
-            .with(GBlockstate.when(EDGE, NORTH_EAST),
-                GBlockstate.variant(model_id, true, R90, R270))
-            /* Z AXIS */
-            .with(GBlockstate.when(EDGE, DOWN_SOUTH),
-                GBlockstate.variant(reverse_model_id, true, R0, R90))
-            .with(GBlockstate.when(EDGE, NORTH_DOWN),
-                GBlockstate.variant(model_id, true, R0, R270))
-            .with(GBlockstate.when(EDGE, UP_NORTH),
-                GBlockstate.variant(reverse_model_id, true, R180, R270))
-            .with(GBlockstate.when(EDGE, SOUTH_UP),
-                GBlockstate.variant(model_id, true, R180, R90));
+        return Step.getMultipart(block, "small_cubes_step", "small_cubes_step_reverse");
     }
 }

src/main/java/fr/adrien1106/reframed/generator/block/Step.java

@@ -36,17 +36,26 @@ public class Step implements RecipeSetter, BlockStateProvider {
 
     @Override
     public BlockStateSupplier getMultipart(Block block) {
-        Identifier model_id = ReFramed.id("step_special");
+        return getMultipart(block, "step");
+    }
+
+    public static BlockStateSupplier getMultipart(Block block, String model_name) {
+        return getMultipart(block, model_name, model_name);
+    }
+
+    public static BlockStateSupplier getMultipart(Block block, String model_name, String reverse_model_name) {
+        Identifier model_id = ReFramed.id(model_name + "_special");
+        Identifier reverse_model_id = ReFramed.id(reverse_model_name + "_special");
         return MultipartBlockStateSupplier.create(block)
             /* X AXIS */
             .with(GBlockstate.when(EDGE, DOWN_EAST),
                 GBlockstate.variant(model_id, true, R0, R0))
             .with(GBlockstate.when(EDGE, EAST_UP),
-                GBlockstate.variant(model_id, true, R180, R0))
+                GBlockstate.variant(reverse_model_id, true, R180, R0))
             .with(GBlockstate.when(EDGE, UP_WEST),
                 GBlockstate.variant(model_id, true, R180, R180))
             .with(GBlockstate.when(EDGE, WEST_DOWN),
-                GBlockstate.variant(model_id, true, R0, R180))
+                GBlockstate.variant(reverse_model_id, true, R0, R180))
             /* Y AXIS */
             .with(GBlockstate.when(EDGE, EAST_SOUTH),
                 GBlockstate.variant(model_id, true, R90, R0))
@@ -58,11 +67,11 @@ public class Step implements RecipeSetter, BlockStateProvider {
                 GBlockstate.variant(model_id, true, R90, R270))
             /* Z AXIS */
             .with(GBlockstate.when(EDGE, DOWN_SOUTH),
-                GBlockstate.variant(model_id, true, R0, R90))
+                GBlockstate.variant(reverse_model_id, true, R0, R90))
             .with(GBlockstate.when(EDGE, NORTH_DOWN),
                 GBlockstate.variant(model_id, true, R0, R270))
             .with(GBlockstate.when(EDGE, UP_NORTH),
-                GBlockstate.variant(model_id, true, R180, R270))
+                GBlockstate.variant(reverse_model_id, true, R180, R270))
             .with(GBlockstate.when(EDGE, SOUTH_UP),
                 GBlockstate.variant(model_id, true, R180, R90));
     }

src/main/java/fr/adrien1106/reframed/generator/block/StepsCross.java

@@ -0,0 +1,34 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.BlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapedRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class StepsCross implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 2);
+        ShapedRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible, 8)
+            .pattern(" I")
+            .pattern("I ")
+            .input('I', ReFramed.STEP)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public BlockStateSupplier getMultipart(Block block) {
+        return Step.getMultipart(block, "steps_cross");
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/StepsHalfLayer.java

@@ -0,0 +1,69 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.BlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
+import static fr.adrien1106.reframed.util.blocks.Edge.*;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+
+public class StepsHalfLayer implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 4);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.HALF_LAYER)
+            .input(ReFramed.STEP)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public BlockStateSupplier getMultipart(Block block) {
+        Identifier step_model = ReFramed.id("step_special");
+        return HalfLayer.getMultipart(block, "second_half_layer")
+            /* X AXIS */
+            .with(GBlockstate.when(EDGE, DOWN_EAST),
+                GBlockstate.variant(step_model, true, R0, R0))
+            .with(GBlockstate.when(EDGE, EAST_UP),
+                GBlockstate.variant(step_model, true, R180, R0))
+            .with(GBlockstate.when(EDGE, UP_WEST),
+                GBlockstate.variant(step_model, true, R180, R180))
+            .with(GBlockstate.when(EDGE, WEST_DOWN),
+                GBlockstate.variant(step_model, true, R0, R180))
+            /* Y AXIS */
+            .with(GBlockstate.when(EDGE, EAST_SOUTH),
+                GBlockstate.variant(step_model, true, R90, R0))
+            .with(GBlockstate.when(EDGE, SOUTH_WEST),
+                GBlockstate.variant(step_model, true, R90, R90))
+            .with(GBlockstate.when(EDGE, WEST_NORTH),
+                GBlockstate.variant(step_model, true, R90, R180))
+            .with(GBlockstate.when(EDGE, NORTH_EAST),
+                GBlockstate.variant(step_model, true, R90, R270))
+            /* Z AXIS */
+            .with(GBlockstate.when(EDGE, DOWN_SOUTH),
+                GBlockstate.variant(step_model, true, R0, R90))
+            .with(GBlockstate.when(EDGE, NORTH_DOWN),
+                GBlockstate.variant(step_model, true, R0, R270))
+            .with(GBlockstate.when(EDGE, UP_NORTH),
+                GBlockstate.variant(step_model, true, R180, R270))
+            .with(GBlockstate.when(EDGE, SOUTH_UP),
+                GBlockstate.variant(step_model, true, R180, R90))
+        ;
+    }
+
+}

src/main/java/fr/adrien1106/reframed/generator/block/StepsSlab.java

@@ -9,7 +9,7 @@ import net.minecraft.block.Block;
 import net.minecraft.data.client.MultipartBlockStateSupplier;
 import net.minecraft.data.server.recipe.RecipeExporter;
 import net.minecraft.data.server.recipe.RecipeProvider;
-import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.data.server.recipe.ShapedRecipeJsonBuilder;
 import net.minecraft.item.ItemConvertible;
 import net.minecraft.recipe.book.RecipeCategory;
 import net.minecraft.util.Identifier;
@@ -25,9 +25,10 @@ public class StepsSlab implements RecipeSetter, BlockStateProvider {
     @Override
     public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
         RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE, 2);
-        ShapelessRecipeJsonBuilder
+        ShapedRecipeJsonBuilder
             .create(RecipeCategory.BUILDING_BLOCKS, convertible)
-            .input(ReFramed.STEP, 2)
+            .pattern("II")
+            .input('I', ReFramed.STEP)
             .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
             .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
             .offerTo(exporter);

src/main/java/fr/adrien1106/reframed/generator/block/Test.java

@@ -0,0 +1,26 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.BlockStateSupplier;
+import net.minecraft.data.client.VariantsBlockStateSupplier;
+import net.minecraft.util.Identifier;
+
+import static net.minecraft.data.client.VariantSettings.Rotation.R0;
+
+public class Test implements BlockStateProvider {
+
+
+    @Override
+    public BlockStateSupplier getMultipart(Block block) {
+        return VariantsBlockStateSupplier.create(
+            block,
+            GBlockstate.variant(
+                new Identifier("block/barrier"),
+                true,
+                R0, R0
+            )
+        );
+    }
+}

src/main/java/fr/adrien1106/reframed/item/ReFramedBlueprintWrittenItem.java

@@ -74,7 +74,14 @@ public class ReFramedBlueprintWrittenItem extends Item {
             stacks.stream().map(inventory::getSlotWithStack).forEach(index -> inventory.removeStack(index, 1));
             player.playSound(SoundEvents.ENTITY_ITEM_PICKUP, 0.5f, 0.5f);
         }
-        frame_entity.readNbt(tag);
+        for (int i = 1; tag.contains(BLOCKSTATE_KEY + i); i++) {
+            BlockState state = NbtHelper.toBlockState(
+                Registries.BLOCK.getReadOnlyWrapper(),
+                tag.getCompound(BLOCKSTATE_KEY + i)
+            );
+            frame_entity.setTheme(state, i);
+        }
+        if (world.isClient) ReFramed.chunkRerenderProxy.accept(world, pos);
         world.playSound(player, player.getBlockPos(), SoundEvents.ITEM_BOOK_PAGE_TURN, SoundCategory.PLAYERS);
 
         return ActionResult.SUCCESS;

src/main/java/fr/adrien1106/reframed/item/ReFramedHammerItem.java

@@ -43,7 +43,7 @@ public class ReFramedHammerItem extends Item {
             world.playSound(player, pos, SoundEvents.ENTITY_ITEM_PICKUP, SoundCategory.BLOCKS, 1f, 1.1f);
         }
         frame_entity.setTheme(Blocks.AIR.getDefaultState(), theme_index);
-        ReFramed.chunkRerenderProxy.accept(world, pos);
+        if (world.isClient) ReFramed.chunkRerenderProxy.accept(world, pos);
         return ActionResult.SUCCESS;
     }
 }

src/main/java/fr/adrien1106/reframed/item/ReFramedScrewdriverItem.java

@@ -52,7 +52,7 @@ public class ReFramedScrewdriverItem extends Item {
                 case Z -> Direction.Axis.X;
             }
         ), theme_index);
-        ReFramed.chunkRerenderProxy.accept(world, pos);
+        if (world.isClient) ReFramed.chunkRerenderProxy.accept(world, pos);
         return ActionResult.SUCCESS;
     }
 }

src/main/java/fr/adrien1106/reframed/mixin/compat/AxiomChunkedBlockRegionMixin.java

@@ -6,11 +6,13 @@ import com.moulberry.axiom.utils.IntMatrix;
 import com.moulberry.axiom.world_modification.CompressedBlockEntity;
 import fr.adrien1106.reframed.client.model.MultiRetexturableModel;
 import fr.adrien1106.reframed.client.model.RetexturingBakedModel;
+import fr.adrien1106.reframed.util.DefaultList;
 import fr.adrien1106.reframed.util.mixin.IAxiomChunkedBlockRegionMixin;
 import fr.adrien1106.reframed.util.mixin.IMultipartBakedModelMixin;
 import fr.adrien1106.reframed.util.mixin.ThemedBlockEntity;
 import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
 import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.client.render.BufferBuilder;
 import net.minecraft.client.render.Camera;
@@ -78,15 +80,19 @@ public abstract class AxiomChunkedBlockRegionMixin implements IAxiomChunkedBlock
         cancellable = true)
     private static void onRenderBlock(BufferBuilder blockBuilder, BlockRenderManager renderer, BlockPos.Mutable pos, Random rand, MatrixStack matrices, BlockRenderView world, Matrix4f currentPoseMatrix, Matrix4f basePoseMatrix, int x, int y, int z, BlockState state, boolean useAmbientOcclusion, CallbackInfo ci, @Local BakedModel model) {
         List<BakedModel> models;
-        if ((models = getModels(model, state)).isEmpty() // not a retexturable model
-            || !(world.getBlockEntity(pos) instanceof ThemedBlockEntity block_entity) // not a themed block entity
-        ) return;
+        if ((models = getModels(model, state)).isEmpty()) return;
 
+        DefaultList<BlockState> themes = new DefaultList<>(
+            Blocks.AIR.getDefaultState(),
+            world.getBlockEntity(pos) instanceof ThemedBlockEntity themed
+                ? themed.getThemes()
+                : List.of()
+        );
         models.stream().flatMap(m -> m instanceof MultiRetexturableModel mm
             ? mm.models().stream()
             : Stream.of((RetexturingBakedModel)m)
         ).forEach(m -> {
-            m.setCamo(world, block_entity.getTheme(m.getThemeIndex()), pos);
+            m.setCamo(world, themes.get(m.getThemeIndex() - 1), pos);
             if (useAmbientOcclusion && state.getLuminance() == 0 && m.useAmbientOcclusion()) renderer.getModelRenderer()
                     .renderSmooth(world, m, state, pos, matrices, blockBuilder, true, rand, state.getRenderingSeed(pos), OverlayTexture.DEFAULT_UV);
             else renderer.getModelRenderer()
@@ -98,11 +104,10 @@ public abstract class AxiomChunkedBlockRegionMixin implements IAxiomChunkedBlock
     @Inject(
         method = "getBlockEntity",
         at = @At("HEAD"),
-        remap = false,
         cancellable = true
     )
     private void onGetBlockEntity(BlockPos pos, CallbackInfoReturnable<BlockEntity> cir) {
-        if (inverse_transform == null) return;
+        if (inverse_transform == null || block_entities == null) return;
         long key = BlockPos.asLong(
             inverse_transform.transformX(pos.getX(), pos.getY(), pos.getZ()),
             inverse_transform.transformY(pos.getX(), pos.getY(), pos.getZ()),

src/main/java/fr/adrien1106/reframed/mixin/compat/AxiomMappedBlockAndTintGetterMixin.java

@@ -21,7 +21,6 @@ public class AxiomMappedBlockAndTintGetterMixin {
         at = @At(
             value = "RETURN"
         ),
-        remap = false,
         cancellable = true
     )
     private void onGetBlockEntity(BlockPos pos, CallbackInfoReturnable<BlockEntity> cir) {

src/main/java/fr/adrien1106/reframed/mixin/compat/AxiomPlacementMixin.java

@@ -30,8 +30,7 @@ public class AxiomPlacementMixin {
 
     @Inject(
         method = "startPlacement(Lnet/minecraft/util/math/BlockPos;Lcom/moulberry/axiom/render/regions/ChunkedBlockRegion;Lit/unimi/dsi/fastutil/longs/Long2ObjectMap;Ljava/lang/String;)I",
-        at = @At("HEAD"),
-        remap = false
+        at = @At("HEAD")
     )
     private void onStartPlacement(BlockPos target, ChunkedBlockRegion region, Long2ObjectMap<CompressedBlockEntity> entities, String description, CallbackInfoReturnable<Integer> cir) {
         ((IAxiomChunkedBlockRegionMixin) region).setTransform(new IntMatrix(), entities);

src/main/java/fr/adrien1106/reframed/mixin/compat/IndiumBlockRenderInfoMixin.java

@@ -1,6 +1,5 @@
 package fr.adrien1106.reframed.mixin.compat;
 
-import com.llamalad7.mixinextras.sugar.Local;
 import fr.adrien1106.reframed.client.util.RenderHelper;
 import fr.adrien1106.reframed.util.blocks.ThemeableBlockEntity;
 import fr.adrien1106.reframed.util.mixin.IBlockRenderInfoMixin;
@@ -24,7 +23,6 @@ public abstract class IndiumBlockRenderInfoMixin implements IBlockRenderInfoMixi
     @Shadow public BlockPos blockPos;
     @Shadow public BlockRenderView blockView;
     @Shadow public BlockState blockState;
-    @Shadow(remap = false) private int cullResultFlags;
 
     @Unique private int theme_index = 0;
     @Unique private int model_hash = 0;
@@ -32,19 +30,18 @@ public abstract class IndiumBlockRenderInfoMixin implements IBlockRenderInfoMixi
     @Inject(
         method = "shouldDrawFace",
         at = @At(
-            value = "INVOKE",
-            target = "Llink/infra/indium/renderer/render/BlockRenderInfo;shouldDrawFaceInner(Lnet/minecraft/util/math/Direction;)Z"
+            value = "INVOKE_ASSIGN",
+            target = "Lnet/minecraft/util/math/Direction;getId()I",
+            shift = At.Shift.AFTER
         ),
         cancellable = true
     )
-    private void shouldDrawInnerFace(Direction face, CallbackInfoReturnable<Boolean> cir, @Local int mask) {
+    private void shouldDrawInnerFace(Direction face, CallbackInfoReturnable<Boolean> cir) {
         BlockPos other_pos = blockPos.offset(face);
         if (!(blockView.getBlockEntity(blockPos) instanceof ThemeableBlockEntity
             || blockView.getBlockEntity(other_pos) instanceof ThemeableBlockEntity)
         ) return;
-        boolean result = RenderHelper.shouldDrawSide(blockState, blockView, blockPos, face, other_pos, theme_index);
-        if (result) cullResultFlags |= mask;
-        cir.setReturnValue(result);
+        cir.setReturnValue(RenderHelper.shouldDrawSide(blockState, blockView, blockPos, face, other_pos, theme_index));
     }
 
     @Override

src/main/java/fr/adrien1106/reframed/mixin/compat/IndiumNonTerrainBlockRenderContextMixin.java

@@ -42,7 +42,6 @@ public abstract class IndiumNonTerrainBlockRenderContextMixin extends AbstractBl
             target = "Llink/infra/indium/renderer/render/BlockRenderInfo;prepareForWorld(Lnet/minecraft/world/BlockRenderView;Z)V",
             shift = At.Shift.AFTER
         ),
-        remap = false,
         cancellable = true
     )
     private void renderMultipleModels(BlockRenderView blockView, BakedModel wrapper, BlockState state, BlockPos pos, MatrixStack matrixStack, VertexConsumer buffer, boolean cull, Random random, long seed, int overlay, CallbackInfo ci) {

src/main/java/fr/adrien1106/reframed/util/DefaultList.java

@@ -0,0 +1,140 @@
+package fr.adrien1106.reframed.util;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+public class DefaultList<T> implements List<T> {
+
+    protected T default_value;
+    protected List<T> elements;
+
+    public DefaultList(T default_value, List<T> elements) {
+        this.default_value = default_value;
+        this.elements = elements;
+    }
+
+    @Override
+    public int size() {
+        return elements.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return elements.isEmpty();
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        return elements.contains(o) || default_value.equals(o);
+    }
+
+    @NotNull
+    @Override
+    public Iterator<T> iterator() {
+        return elements.iterator();
+    }
+
+    @NotNull
+    @Override
+    public Object[] toArray() {
+        return elements.toArray();
+    }
+
+    @NotNull
+    @Override
+    public <T1> T1[] toArray(@NotNull T1[] a) {
+        return elements.toArray(a);
+    }
+
+    @Override
+    public boolean add(T t) {
+        return elements.add(t);
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        return elements.remove(o);
+    }
+
+    @Override
+    public boolean containsAll(@NotNull Collection<?> c) {
+        return elements.containsAll(c);
+    }
+
+    @Override
+    public boolean addAll(@NotNull Collection<? extends T> c) {
+        return elements.addAll(c);
+    }
+
+    @Override
+    public boolean addAll(int index, @NotNull Collection<? extends T> c) {
+        return elements.addAll(index, c);
+    }
+
+    @Override
+    public boolean removeAll(@NotNull Collection<?> c) {
+        return elements.removeAll(c);
+    }
+
+    @Override
+    public boolean retainAll(@NotNull Collection<?> c) {
+        return elements.retainAll(c);
+    }
+
+    @Override
+    public void clear() {
+        elements.clear();
+    }
+
+    @Override
+    public T get(int index) {
+        return index < elements.size() && index >= 0 ? elements.get(index) : default_value;
+    }
+
+    @Override
+    public T set(int index, T element) {
+        return elements.set(index, element);
+    }
+
+    @Override
+    public void add(int index, T element) {
+        elements.add(index, element);
+    }
+
+    @Override
+    public T remove(int index) {
+        return elements.remove(index);
+    }
+
+    @Override
+    public int indexOf(Object o) {
+        return elements.indexOf(o);
+    }
+
+    @Override
+    public int lastIndexOf(Object o) {
+        return elements.lastIndexOf(o);
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<T> listIterator() {
+        return elements.listIterator();
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<T> listIterator(int index) {
+        return elements.listIterator();
+    }
+
+    @NotNull
+    @Override
+    public List<T> subList(int fromIndex, int toIndex) {
+        return elements.subList(fromIndex, toIndex);
+    }
+}

src/main/java/fr/adrien1106/reframed/util/VoxelHelper.java

@@ -201,5 +201,24 @@ public class VoxelHelper {
             }
             return shapes;
         }
+
+        /**
+         * build a new set of voxels based on the combination of two sets of voxels
+         * @param long_voxels - the first set of voxels
+         * @param short_voxels - the second set of voxels
+         * @param mapping_function - the function to map the index of the first set to the index of the second set
+         * @return the array of added voxels
+         */
+        public static VoxelShape[] buildFrom(VoxelShape[] long_voxels, VoxelShape[] short_voxels, Function<Integer, Integer> mapping_function) {
+            VoxelShape[] shapes = new VoxelShape[long_voxels.length];
+            for (int i = 0; i < shapes.length; i++) {
+                shapes[i] = VoxelShapes.combineAndSimplify(
+                    long_voxels[i],
+                    short_voxels[mapping_function.apply(i)],
+                    BooleanBiFunction.OR
+                );
+            }
+            return shapes;
+        }
     }
 }

src/main/java/fr/adrien1106/reframed/util/blocks/BlockProperties.java

@@ -7,7 +7,11 @@ import net.minecraft.state.property.IntProperty;
 public class BlockProperties {
     public static final BooleanProperty LIGHT = BooleanProperty.of("emits_light");
     public static final EnumProperty<Edge> EDGE = EnumProperty.of("edge", Edge.class);
+    public static final IntProperty EDGE_FACE = IntProperty.of("face", 0, 1);
     public static final EnumProperty<Corner> CORNER = EnumProperty.of("corner", Corner.class);
     public static final IntProperty CORNER_FACE = IntProperty.of("face", 0, 2);
+    public static final IntProperty CORNER_FEATURE = IntProperty.of("corner_feature", 0, 1);
     public static final EnumProperty<StairShape> STAIR_SHAPE = EnumProperty.of("shape", StairShape.class);
+    public static final IntProperty HALF_LAYERS = IntProperty.of("layers", 1, 4);
+
 }

src/main/java/fr/adrien1106/reframed/util/blocks/Corner.java

@@ -116,6 +116,14 @@ public enum Corner implements StringIdentifiable {
         );
     }
 
+    public Edge getEdgeWith(Direction direction) {
+        return Edge.getByDirections(
+            first_direction == direction ? first_direction : second_direction,
+            first_direction == direction ? second_direction : third_direction
+        );
+
+    }
+
     public Direction getOtherDirection(Edge edge) {
         if (edge.getFirstDirection() != second_direction && edge.getSecondDirection() != second_direction) return second_direction;
         if (edge.getFirstDirection() != third_direction && edge.getSecondDirection() != third_direction) return third_direction;
@@ -137,4 +145,17 @@ public enum Corner implements StringIdentifiable {
             mirror.apply(third_direction)
         );
     }
+
+    public Corner change(Direction face) {
+        Direction opposite = face.getOpposite();
+        return getByDirections(
+            first_direction == face ? opposite : first_direction,
+            second_direction == face ? opposite : second_direction,
+            third_direction == face ? opposite : third_direction
+        );
+    }
+
+    public Direction getMatchingDirection(Edge edge) {
+        return hasDirection(edge.getSecondDirection()) ? edge.getSecondDirection() : edge.getFirstDirection();
+    }
 }

src/main/java/fr/adrien1106/reframed/util/blocks/Edge.java

@@ -106,6 +106,22 @@ public enum Edge implements StringIdentifiable {
             .findFirst().orElse(Edge.NORTH_DOWN);
     }
 
+    public Direction getDirection(int side) {
+        return side == 1 ? second_direction : first_direction;
+    }
+
+    public int getDirectionIndex(Direction direction) {
+        return direction == first_direction ? 0 : 1;
+    }
+
+    public Edge getOpposite(int index) {
+        return getOpposite(getDirection(index));
+    }
+
+    public Edge getOpposite(Direction direction) {
+        return getByDirections(direction, getOtherDirection(direction).getOpposite());
+    }
+
     public Edge rotate(BlockRotation rotation) {
         return getByDirections(
             rotation.rotate(first_direction),

src/main/java/fr/adrien1106/reframed/util/mixin/ThemedBlockEntity.java

@@ -2,6 +2,7 @@ package fr.adrien1106.reframed.util.mixin;
 
 import fr.adrien1106.reframed.util.blocks.ThemeableBlockEntity;
 import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.nbt.NbtCompound;
 import net.minecraft.nbt.NbtHelper;
@@ -29,12 +30,17 @@ public class ThemedBlockEntity extends BlockEntity implements ThemeableBlockEnti
 
     @Override
     public BlockState getTheme(int i) {
+        if (i > themes.size())
+            return Blocks.AIR.getDefaultState();
         return themes.get(Math.max(0, i-1));
     }
 
     @Override
     public void setTheme(BlockState state, int i) {
-        themes.set(Math.max(0, i-1), state);
+        if (i > themes.size())
+            themes.add(state);
+        else
+            themes.set(Math.max(0, i-1), state);
     }
 
     @Override

src/main/resources/assets/reframed/models/block/half_layer/east/layer_10.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 10, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 6, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 6, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 6, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 6, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_12.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 12, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 4, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 4, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 4, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 4, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_14.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 14, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 2, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 2, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 2, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 2, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_16.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 0, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 0, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 0, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_2.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 2, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 14, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 14, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 14, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 14, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_4.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 4, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 12, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 12, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 12, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 12, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_6.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 6, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 10, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 10, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 10, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 10, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/east/layer_8.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [0, 8, 16, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 8, 16, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/side/layer_10.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [6, 0, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 10, 16], "texture": "#side"},
+				"east": {"uv": [0, 0, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [6, 0, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 16], "texture": "#side"},
+				"up": {"uv": [6, 8, 16, 16], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [6, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/side/layer_12.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [4, 0, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 12, 16], "texture": "#side"},
+				"east": {"uv": [0, 0, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [4, 0, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 16], "texture": "#side"},
+				"up": {"uv": [4, 8, 16, 16], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [4, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}

src/main/resources/assets/reframed/models/block/half_layer/side/layer_14.json

@@ -0,0 +1,22 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [2, 0, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 14, 16], "texture": "#side"},
+				"east": {"uv": [0, 0, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [2, 0, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 16], "texture": "#side"},
+				"up": {"uv": [2, 8, 16, 16], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [2, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	]
+}