Added custom method for updating block state from TileEntity state changes.

2020-06-07 12:41:32 +02:00
parent 53fc345e88
commit 6011b2dd49
3 changed files with 42 additions and 23 deletions
@@ -327,4 +327,28 @@ public abstract class AEBaseTileBlock<T extends AEBaseTile> extends AEBaseBlock
 		return this.getTileEntity( w, pos );
 	}

+	/**
+	 * Returns the BlockState based on the given BlockState while considering the state of the given TileEntity.
+	 *
+	 * If the given TileEntity is not of the right type for this block, the state is returned unchanged,
+	 * this is also the case if the given block state does not belong to this block.
+	 */
+	public final BlockState getTileEntityBlockState(BlockState current, TileEntity te) {
+		if (current.getBlock() != this || !tileEntityClass.isInstance(te)) {
+			return current;
+		}
+
+		return updateBlockStateFromTileEntity(current, tileEntityClass.cast(te));
+	}
+
+	/**
+	 * Reimplement this in subclasses to allow tile-entities to update the state of their block when their own
+	 * state changes.
+	 *
+	 * It is guaranteed that te is not-null and the block of the given block state is this exact block instance.
+	 */
+	protected BlockState updateBlockStateFromTileEntity(BlockState currentState, T te) {
+		return currentState;
+	}
+
 }