add pmmp#6258

README.md

@@ -66,6 +66,7 @@ Additions
 > https://github.com/pmmp/PocketMine-MP/pull/6194
 > https://github.com/pmmp/PocketMine-MP/pull/6204
 > https://github.com/pmmp/PocketMine-MP/pull/6240
+> https://github.com/pmmp/PocketMine-MP/pull/6258
 
 
 ## What is this?

src/event/block/BlockSupportBreakEvent.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace pocketmine\event\block;
+
+use pocketmine\block\Block;
+use pocketmine\item\Item;
+
+/**
+ * Called when a block is destroyed because its support has been destroyed.
+ */
+class BlockSupportBreakEvent extends BlockEvent{
+	/** @var Item[] */
+	protected array $blockDrops = [];
+
+	/**
+	 * @param Item[] $drops
+	 */
+	public function __construct(
+		Block $block,
+		array $drops = [],
+		protected int $xpDrops = 0
+	){
+		parent::__construct($block);
+		$this->setDrops($drops);
+	}
+
+	/**
+	 * @return Item[]
+	 */
+	public function getDrops() : array{
+		return $this->blockDrops;
+	}
+
+	/**
+	 * @param Item[] $drops
+	 */
+	public function setDrops(array $drops) : void{
+		$this->setDropsVariadic(...$drops);
+	}
+
+	/**
+	 * Variadic hack for easy array member type enforcement.
+	 */
+	public function setDropsVariadic(Item ...$drops) : void{
+		$this->blockDrops = $drops;
+	}
+
+	/**
+	 * Returns how much XP will be dropped by breaking this block.
+	 */
+	public function getXpDropAmount() : int{
+		return $this->xpDrops;
+	}
+
+	/**
+	 * Sets how much XP will be dropped by breaking this block.
+	 */
+	public function setXpDropAmount(int $amount) : void{
+		if($amount < 0){
+			throw new \InvalidArgumentException("Amount must be at least zero");
+		}
+		$this->xpDrops = $amount;
+	}
+}

src/world/World.php

@@ -46,6 +46,7 @@
 use pocketmine\entity\object\ItemEntity;
 use pocketmine\event\block\BlockBreakEvent;
 use pocketmine\event\block\BlockPlaceEvent;
+use pocketmine\event\block\BlockSupportBreakEvent;
 use pocketmine\event\block\BlockUpdateEvent;
 use pocketmine\event\player\PlayerInteractEvent;
 use pocketmine\event\world\ChunkLoadEvent;
@@ -2098,6 +2099,13 @@ public function useBreakOn(Vector3 $vector, Item &$item = null, ?Player $player
 
 		}elseif(!$target->getBreakInfo()->isBreakable()){
 			return false;
+		}else{
+			$ev = new BlockSupportBreakEvent($target, $drops, $xpDrop);
+
+			$ev->call();
+
+			$drops = $ev->getDrops();
+			$xpDrop = $ev->getXpDropAmount();
 		}
 
 		foreach($affectedBlocks as $t){