Add part activation

src/main/java/net/shadowfacts/simplemultipart/container/MultipartContainerBlock.java

@@ -14,6 +14,8 @@ import net.minecraft.world.World;
 import net.shadowfacts.simplemultipart.client.util.RenderStateProvider;
 import net.shadowfacts.simplemultipart.multipart.MultipartSlot;
 import net.shadowfacts.simplemultipart.multipart.MultipartState;
+import net.shadowfacts.simplemultipart.util.MultipartHelper;
+import net.shadowfacts.simplemultipart.util.MultipartHitResult;
 
 import java.util.Map;
 
@@ -27,19 +29,36 @@ public class MultipartContainerBlock extends Block implements BlockEntityProvide
 	}
 
 	@Override
-	public boolean activate(BlockState var1, World world, BlockPos pos, PlayerEntity player, Hand var5, Direction var6, float var7, float var8, float var9) {
+	public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, Direction side, float hitX, float hitY, float hitZ) {
-		if (player.isSneaking()) {
+//		if (player.isSneaking()) {
-			MultipartContainerBlockEntity container = (MultipartContainerBlockEntity)world.getBlockEntity(pos);
+//			MultipartContainerBlockEntity container = (MultipartContainerBlockEntity)world.getBlockEntity(pos);
-			System.out.println(container.getParts());
+//			System.out.println(container.getParts());
-			return true;
+//			return true;
-		} else {
+//		} else {
+//			return false;
+//		}
+
+		MultipartContainerBlockEntity container = (MultipartContainerBlockEntity)world.getBlockEntity(pos);
+		if (container == null) {
 			return false;
 		}
+
+		MultipartHitResult hit = MultipartHelper.rayTrace(container, world, pos, player);
+		if (hit == null) {
+			return false;
+		}
+
+		MultipartState partState = container.get(hit.partSlot);
+		return partState.activate(hit.partSlot, container, player, hand);
 	}
 
 	@Override
 	public BlockState getStateForRendering(BlockState state, BlockPos pos, ExtendedBlockView world) {
 		MultipartContainerBlockEntity container = (MultipartContainerBlockEntity)world.getBlockEntity(pos);
+		if (container == null) {
+			return state;
+		}
+
 		Map<MultipartSlot, MultipartState> parts = container.getParts();
 		return new MultipartContainerBlockState(state, parts);
 	}

src/main/java/net/shadowfacts/simplemultipart/multipart/Multipart.java

@@ -1,10 +1,13 @@
 package net.shadowfacts.simplemultipart.multipart;
 
 import com.google.common.collect.ImmutableList;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.state.StateFactory;
+import net.minecraft.util.Hand;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.Direction;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.loot.LootSupplier;
 import net.minecraft.world.loot.LootTables;
@@ -75,6 +78,9 @@ public abstract class Multipart {
 		return dropTableId;
 	}
 
+	/**
+	 * Can be overridden, should only be called via {@link MultipartState#getDroppedStacks)}
+	 */
 	@Deprecated
 	public List<ItemStack> getDroppedStacks(MultipartState state, LootContext.Builder builder) {
 		Identifier dropTableId = getDropTableId();
@@ -88,4 +94,12 @@ public abstract class Multipart {
 		}
 	}
 
+	/**
+	 * Can be overridden, should only be called via {@link MultipartState#activate}
+	 */
+	@Deprecated
+	public boolean activate(MultipartState state, MultipartSlot slot, MultipartContainerBlockEntity container, PlayerEntity player, Hand hand) {
+		return false;
+	}
+
 }

src/main/java/net/shadowfacts/simplemultipart/multipart/MultipartState.java

@@ -1,9 +1,11 @@
 package net.shadowfacts.simplemultipart.multipart;
 
 import com.google.common.collect.ImmutableMap;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.state.AbstractPropertyContainer;
 import net.minecraft.state.property.Property;
+import net.minecraft.util.Hand;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.loot.context.LootContext;
 import net.shadowfacts.simplemultipart.container.MultipartContainerBlockEntity;
@@ -38,4 +40,9 @@ public class MultipartState extends AbstractPropertyContainer<Multipart, Multipa
 		return owner.getDroppedStacks(this, builder);
 	}
 
+	public boolean activate(MultipartSlot slot, MultipartContainerBlockEntity container, PlayerEntity player, Hand hand) {
+		//noinspection deprecated
+		return owner.activate(this, slot, container, player, hand);
+	}
+
 }

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

@@ -1,5 +1,7 @@
 package net.shadowfacts.simplemultipart.test;
 
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.util.Hand;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.util.shape.VoxelShapes;
 import net.shadowfacts.simplemultipart.container.MultipartContainerBlockEntity;
@@ -23,4 +25,10 @@ public class GreenMultipart extends Multipart {
 		return VoxelShapes.cube(0, 0, 0, 1, 1, 1/16f);
 	}
 
+	@Override
+	@Deprecated
+	public boolean activate(MultipartState state, MultipartSlot slot, MultipartContainerBlockEntity container, PlayerEntity player, Hand hand) {
+		System.out.println("part activated");
+		return true;
+	}
 }