Block: add onPostPlace() hook

src/pocketmine/block/Block.php

@@ -253,6 +253,10 @@ class Block extends Position implements BlockLegacyIds, Metadatable{
 		return $this->getWorld()->setBlock($blockReplace, $this);
 	}
 
+	public function onPostPlace() : void{
+
+	}
+
 	/**
 	 * Returns an object containing information about the destruction requirements of this block.
 	 *

src/pocketmine/block/Chest.php

@@ -62,7 +62,10 @@ class Chest extends Transparent{
 			$this->facing = Facing::opposite($player->getHorizontalFacing());
 		}
 
-		if(parent::place($item, $blockReplace, $blockClicked, $face, $clickVector, $player)){
+		return parent::place($item, $blockReplace, $blockClicked, $face, $clickVector, $player);
+	}
+
+	public function onPostPlace() : void{
 		$tile = $this->world->getTile($this);
 		if($tile instanceof TileChest){
 			foreach([
@@ -80,11 +83,6 @@ class Chest extends Transparent{
 				}
 			}
 		}
-
-			return true;
-		}
-
-		return false;
 	}
 
 	public function onInteract(Item $item, int $face, Vector3 $clickVector, ?Player $player = null) : bool{

src/pocketmine/world/World.php

@@ -1863,6 +1863,7 @@ class World implements ChunkManager, Metadatable{
 			//TODO: seal this up inside block placement
 			$tile->copyDataFromItem($item);
 		}
+		$hand->onPostPlace();
 
 		if($playSound){
 			$this->addSound($hand, new BlockPlaceSound($hand));