Merge pull request 'new block and better additivity' (#24) from dev into master

Reviewed-on: #24

gradle.properties

@@ -9,7 +9,7 @@ loader_version=0.15.11
 
 # Mod Properties
 modrinth_id = jCpoCBpn
-mod_version = 1.6.5
+mod_version = 1.6.6
 maven_group = fr.adrien1106
 archives_base_name = ReFramed
 mod_id = reframed

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

@@ -41,7 +41,7 @@ public class ReFramed implements ModInitializer {
         SMALL_CUBE, SMALL_CUBES_STEP,
         STAIR, STAIRS_CUBE,
         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,
+        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,
@@ -80,6 +80,7 @@ public class ReFramed implements ModInitializer {
         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)));

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

@@ -48,8 +48,9 @@ public abstract class CornerDoubleReFramedBlock extends WaterloggableReFramedDou
     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.rotate(rotation))
+            .with(CORNER, corner)
             .with(CORNER_FACE, corner.getDirectionIndex(rotation.rotate(face)));
     }
 
@@ -58,8 +59,9 @@ public abstract class CornerDoubleReFramedBlock extends WaterloggableReFramedDou
     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.mirror(mirror))
+            .with(CORNER, corner)
             .with(CORNER_FACE, corner.getDirectionIndex(mirror.apply(face)));
     }
 

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

@@ -24,7 +24,8 @@ public abstract class HalfLayerDoubleReFramedBlock extends EdgeDoubleReFramedBlo
     @SuppressWarnings("deprecation")
     public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
         List<ItemStack> drops = super.getDroppedStacks(state, builder);
-        drops.add(new ItemStack(ReFramed.HALF_LAYER, state.get(LAYERS)-1));
+        if (state.get(LAYERS) > 1)
+            drops.add(new ItemStack(ReFramed.HALF_LAYER, state.get(LAYERS)-1));
         return drops;
     }
 

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

@@ -1,62 +1,30 @@
 package fr.adrien1106.reframed.block;
 
 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.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.block.ReFramedHalfSlabBlock.getHalfSlabShape;
 import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
 import static net.minecraft.state.property.Properties.FACING;
 
-public class ReFramedHalfSlabsSlabBlock extends WaterloggableReFramedDoubleBlock {
+public class ReFramedHalfSlabsSlabBlock extends FacingDoubleReFramedBlock {
 
     public static VoxelShape[] HALF_SLAB_COMP_SHAPES;
 
     public ReFramedHalfSlabsSlabBlock(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 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)));
-    }
-
     @Override
     public VoxelShape getShape(BlockState state, int i) {
         Direction face = state.get(FACING);

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

@@ -73,6 +73,13 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
                 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;
     }
 
@@ -135,6 +142,7 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
             || 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,

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

@@ -1,5 +1,6 @@
 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;
@@ -15,8 +16,8 @@ import net.minecraft.world.BlockView;
 import org.jetbrains.annotations.Nullable;
 
 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 LayeredReFramedBlock {
 
@@ -34,7 +35,11 @@ public class ReFramedLayerBlock extends LayeredReFramedBlock {
 
     @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));
+    }
+
+    public static VoxelShape getLayerShape(Direction facing, int layers) {
+        return LAYER_VOXELS[facing.getId() * 8 + layers - 1];
     }
 
     @Override
@@ -42,6 +47,15 @@ public class ReFramedLayerBlock extends LayeredReFramedBlock {
         BlockState previous = ctx.getWorld().getBlockState(ctx.getBlockPos());
         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());
     }
 

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

@@ -1,6 +1,8 @@
 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;
@@ -19,8 +21,7 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.Map;
 
-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.BlockProperties.*;
 import static net.minecraft.state.property.Properties.*;
 
 public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
@@ -57,16 +58,15 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
             && 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 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
-            );
+		return matchesShape(
+            context.getHitPos(),
+            context.getBlockPos(),
+            state.with(FACING, state.get(FACING).getOpposite())
+        );
 	}
 
 	@Nullable
@@ -89,6 +89,72 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
                 .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());
 	}
 

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/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;
@@ -45,51 +47,51 @@ 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
-                        && (
-                            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
-                                )
-                            || 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
-                                )
-                            || 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
@@ -163,7 +165,9 @@ public class ReFramedSmallCubeBlock 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, 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,

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

@@ -63,7 +63,10 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
             );
 
         // allow replacing with stair
-        if (block != this && block != ReFramed.STAIR) return false;
+        if (block != this
+            && block != ReFramed.STAIR
+            && block != ReFramed.SLAB
+        ) return false;
 
         return ReFramed.STAIR
             .matchesShape(
@@ -186,7 +189,8 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
         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)) return Map.of(1, 2);
+        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

@@ -60,8 +60,7 @@ public class ReFramedStepsCrossBlock extends WaterloggableReFramedDoubleBlock {
 
     @Override
     public VoxelShape getShape(BlockState state, int i) {
-//        return getStepShape(i == 1 ? state.get(EDGE): state.get(EDGE).opposite());
-        return getOutlineShape(state, null, null, null);
+        return getStepShape(i == 1 ? state.get(EDGE): state.get(EDGE).opposite());
     }
 
     static {

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

@@ -208,6 +208,12 @@ public class ReFramedClient implements ClientModInitializer {
         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)
@@ -245,6 +251,7 @@ public class ReFramedClient implements ClientModInitializer {
         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

@@ -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/generator/GBlockstate.java

@@ -33,6 +33,7 @@ public class GBlockstate extends FabricModelProvider {
         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());

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

@@ -35,6 +35,7 @@ public class GRecipe extends FabricRecipeProvider {
         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());

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/util/blocks/BlockProperties.java

@@ -12,4 +12,6 @@ public class BlockProperties {
     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

@@ -154,4 +154,8 @@ public enum Corner implements StringIdentifiable {
             third_direction == face ? opposite : third_direction
         );
     }
+
+    public Direction getMatchingDirection(Edge edge) {
+        return hasDirection(edge.getSecondDirection()) ? edge.getSecondDirection() : edge.getFirstDirection();
+    }
 }