Add container/view methods for getting the world and pos

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

@@ -17,6 +17,7 @@ import net.minecraft.util.Tickable;
 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.loot.context.LootContext;
 import net.minecraft.world.loot.context.Parameters;
 import net.shadowfacts.simplemultipart.SimpleMultipart;
@@ -42,6 +43,16 @@ public abstract class AbstractContainerBlockEntity extends BlockEntity implement
 		super(type);
 	}
 
+	@Override
+	public World getContainerWorld() {
+		return world;
+	}
+
+	@Override
+	public BlockPos getContainerPos() {
+		return pos;
+	}
+
 	@Override
 	public Set<MultipartView> getParts() {
 		return ImmutableSet.copyOf(parts);

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

@@ -1,6 +1,8 @@
 package net.shadowfacts.simplemultipart.container;
 
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
 import net.shadowfacts.simplemultipart.multipart.MultipartView;
 import net.shadowfacts.simplemultipart.multipart.MultipartState;
 
@@ -15,6 +17,16 @@ import java.util.Set;
  */
 public interface MultipartContainer {
 
+	/**
+	 * @return The world that this container is in.
+	 */
+	World getContainerWorld();
+
+	/**
+	 * @return The position of this container in the world.
+	 */
+	BlockPos getContainerPos();
+
 	/**
 	 * Retrieves all the multiparts held by this container.
 	 *

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

@@ -1,5 +1,7 @@
 package net.shadowfacts.simplemultipart.multipart;
 
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
 import net.shadowfacts.simplemultipart.container.MultipartContainer;
 import net.shadowfacts.simplemultipart.multipart.Multipart;
 import net.shadowfacts.simplemultipart.multipart.MultipartState;
@@ -59,4 +61,18 @@ public interface MultipartView {
 		return getState().getMultipart();
 	}
 
+	/**
+	 * @return The world that this part's container is in.
+	 */
+	default World getWorld() {
+		return getContainer().getContainerWorld();
+	}
+
+	/**
+	 * @return The position of this part's container.
+	 */
+	default BlockPos getPos() {
+		return getContainer().getContainerPos();
+	}
+
 }