Add test slab multiparts

src/test/java/net/shadowfacts/simplemultipart/test/MultipartTestMod.java

@@ -1,10 +1,12 @@
 package net.shadowfacts.simplemultipart.test;
 
 import net.fabricmc.api.ModInitializer;
+import net.minecraft.item.Item;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.registry.Registry;
 import net.shadowfacts.simplemultipart.SimpleMultipart;
 import net.shadowfacts.simplemultipart.item.ItemMultipart;
+import net.shadowfacts.simplemultipart.multipart.Multipart;
 
 /**
  * @author shadowfacts
@@ -14,12 +16,24 @@ public class MultipartTestMod implements ModInitializer {
 	public static final String MODID = "multipart_test";
 
 	public static final TestMultipart testPart = new TestMultipart();
+	public static final SlabMultipart ironSlab = new SlabMultipart();
+	public static final SlabMultipart goldSlab = new SlabMultipart();
+
 	public static final ItemMultipart testItem = new ItemMultipart(testPart);
+	public static final ItemMultipart ironSlabItem = new ItemMultipart(ironSlab);
+	public static final ItemMultipart goldSlabItem  = new ItemMultipart(goldSlab);
 
 	@Override
 	public void onInitialize() {
-		Registry.register(SimpleMultipart.MULTIPART, new Identifier(MODID, "test_part"), testPart);
+		registerPartAndItem("test_part", testPart, testItem);
-		Registry.register(Registry.ITEM, new Identifier(MODID, "test_part"), testItem);
+		registerPartAndItem("iron_slab", ironSlab, ironSlabItem);
+		registerPartAndItem("gold_slab", goldSlab, goldSlabItem);
+	}
+
+	private void registerPartAndItem(String name, Multipart part, Item item) {
+		Identifier id = new Identifier(MODID, name);
+		Registry.register(SimpleMultipart.MULTIPART, id, part);
+		Registry.register(Registry.ITEM, id, item);
 	}
 
 }

src/test/java/net/shadowfacts/simplemultipart/test/SlabMultipart.java

@@ -0,0 +1,70 @@
+package net.shadowfacts.simplemultipart.test;
+
+import net.minecraft.block.enums.BlockHalf;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.shadowfacts.simplemultipart.container.MultipartContainerBlockEntity;
+import net.shadowfacts.simplemultipart.multipart.Multipart;
+import net.shadowfacts.simplemultipart.multipart.MultipartState;
+import net.shadowfacts.simplemultipart.util.MultipartPlacementContext;
+
+/**
+ * @author shadowfacts
+ */
+public class SlabMultipart extends Multipart {
+
+	public static final EnumProperty<BlockHalf> HALF = EnumProperty.create("half", BlockHalf.class);
+
+	private static final VoxelShape LOWER_BOX = VoxelShapes.cube(0, 0, 0, 1, 0.5f, 1);
+	private static final VoxelShape UPPER_BOX = VoxelShapes.cube(0, 0.5f, 0, 1, 1, 1);
+
+	public SlabMultipart() {
+		setDefaultState(getDefaultState().with(HALF, BlockHalf.LOWER));
+	}
+
+	@Override
+	protected void appendProperties(StateFactory.Builder<Multipart, MultipartState> builder) {
+		super.appendProperties(builder);
+		builder.with(HALF);
+	}
+
+	@Override
+	public MultipartState getPlacementState(MultipartPlacementContext context) {
+		Direction hitSide = context.getFacing();
+		BlockHalf half;
+
+		if (hitSide == Direction.DOWN) {
+			half = context.getHitY() >= 0.5f ? BlockHalf.LOWER : BlockHalf.UPPER;
+		} else if (hitSide == Direction.UP) {
+			half = 0.5f <= context.getHitY() && context.getHitY() < 1 ? BlockHalf.UPPER : BlockHalf.LOWER;
+		} else {
+			half = context.getHitY() >= 0.5f ? BlockHalf.UPPER : BlockHalf.LOWER;
+		}
+
+//		if (hitSide == Direction.DOWN || (0.5f < context.getHitY() && context.getHitY() < 1)) {
+//			half = BlockHalf.UPPER;
+//		} else {
+//			half = BlockHalf.LOWER;
+//		}
+
+//		switch (hitSide) {
+//			case UP:
+//				half = BlockHalf.LOWER;
+//				break;
+//			case DOWN:
+//				half = BlockHalf.UPPER;
+//				break;
+//			default:
+//				half = context.getHitY() > 0.5f ? BlockHalf.UPPER : BlockHalf.LOWER;
+//		}
+		return getDefaultState().with(HALF, half);
+	}
+
+	@Override
+	public VoxelShape getBoundingShape(MultipartState state, MultipartContainerBlockEntity container) {
+		return state.get(HALF) == BlockHalf.UPPER ? UPPER_BOX : LOWER_BOX;
+	}
+}

src/test/resources/assets/multipart_test/models/multipart/slab/gold/lower.json

@@ -0,0 +1,6 @@
+{
+	"parent": "multipart_test:multipart/slab/lower",
+	"textures": {
+		"texture": "block/gold_block"
+	}
+}

src/test/resources/assets/multipart_test/models/multipart/slab/gold/upper.json

@@ -0,0 +1,6 @@
+{
+	"parent": "multipart_test:multipart/slab/upper",
+	"textures": {
+		"texture": "block/gold_block"
+	}
+}

src/test/resources/assets/multipart_test/models/multipart/slab/iron/lower.json

@@ -0,0 +1,6 @@
+{
+	"parent": "multipart_test:multipart/slab/lower",
+	"textures": {
+		"texture": "block/iron_block"
+	}
+}

src/test/resources/assets/multipart_test/models/multipart/slab/iron/upper.json

@@ -0,0 +1,6 @@
+{
+	"parent": "multipart_test:multipart/slab/upper",
+	"textures": {
+		"texture": "block/iron_block"
+	}
+}

src/test/resources/assets/multipart_test/models/multipart/slab/lower.json

@@ -0,0 +1,17 @@
+{
+	"parent": "simplemultipart:multipart/multipart",
+	"elements": [
+		{
+			"from": [0, 0, 0],
+			"to": [16, 8, 16],
+			"faces": {
+				"down": { "texture": "#texture", "cullface": "down" },
+				"up": { "texture": "#texture" },
+				"north": { "texture": "#texture", "cullface": "north" },
+				"south": { "texture": "#texture", "cullface": "south" },
+				"west": { "texture": "#texture", "cullface": "west" },
+				"east": { "texture": "#texture", "cullface": "east" }
+			}
+		}
+	]
+}

src/test/resources/assets/multipart_test/models/multipart/slab/upper.json

@@ -0,0 +1,17 @@
+{
+	"parent": "simplemultipart:multipart/multipart",
+	"elements": [
+		{
+			"from": [0, 8, 0],
+			"to": [16, 16, 16],
+			"faces": {
+				"down": { "texture": "#texture" },
+				"up": { "texture": "#texture", "cullface": "up" },
+				"north": { "texture": "#texture", "cullface": "north" },
+				"south": { "texture": "#texture", "cullface": "south" },
+				"west": { "texture": "#texture", "cullface": "west" },
+				"east": { "texture": "#texture", "cullface": "east" }
+			}
+		}
+	]
+}

src/test/resources/assets/multipart_test/multipartstates/gold_slab.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"half=upper": { "model": "multipart_test:multipart/slab/gold/upper" },
+		"half=lower": { "model": "multipart_test:multipart/slab/gold/lower" },
+		"inventory": { "model": "multipart_test:multipart/slab/gold/lower" }
+	}
+}

src/test/resources/assets/multipart_test/multipartstates/iron_slab.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"half=upper": { "model": "multipart_test:multipart/slab/iron/upper" },
+		"half=lower": { "model": "multipart_test:multipart/slab/iron/lower" },
+		"inventory": { "model": "multipart_test:multipart/slab/iron/lower" }
+	}
+}