From 36ab34df294ce803e818cf5d35340d7dd6a8b7ba Mon Sep 17 00:00:00 2001
From: zSALLAZAR <59490940+zSALLAZAR@users.noreply.github.com>
Date: Wed, 23 Nov 2022 13:57:26 +0100
Subject: [PATCH] Implement BlockDeathEvent (#5420)

closes #4711
---
 src/block/BaseCoral.php             |  7 ++++++-
 src/block/CoralBlock.php            |  7 ++++++-
 src/event/block/BlockDeathEvent.php | 32 +++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 src/event/block/BlockDeathEvent.php

diff --git a/src/block/BaseCoral.php b/src/block/BaseCoral.php
index f3bb9255d..0912a85ba 100644
--- a/src/block/BaseCoral.php
+++ b/src/block/BaseCoral.php
@@ -26,6 +26,7 @@ namespace pocketmine\block;
 use pocketmine\block\utils\CoralType;
 use pocketmine\block\utils\CoralTypeTrait;
 use pocketmine\block\utils\SupportType;
+use pocketmine\event\block\BlockDeathEvent;
 use pocketmine\item\Item;
 
 abstract class BaseCoral extends Transparent{
@@ -50,7 +51,11 @@ abstract class BaseCoral extends Transparent{
 
 			//TODO: check water inside the block itself (not supported on the API yet)
 			if(!$hasWater){
-				$world->setBlock($this->position, $this->setDead(true));
+				$ev = new BlockDeathEvent($this, $this->setDead(true));
+				$ev->call();
+				if(!$ev->isCancelled()){
+					$world->setBlock($this->position, $ev->getNewState());
+				}
 			}
 		}
 	}
diff --git a/src/block/CoralBlock.php b/src/block/CoralBlock.php
index e29591b3d..0718112eb 100644
--- a/src/block/CoralBlock.php
+++ b/src/block/CoralBlock.php
@@ -27,6 +27,7 @@ use pocketmine\block\utils\CoralType;
 use pocketmine\block\utils\CoralTypeTrait;
 use pocketmine\block\utils\InvalidBlockStateException;
 use pocketmine\data\bedrock\CoralTypeIdMap;
+use pocketmine\event\block\BlockDeathEvent;
 use pocketmine\item\Item;
 use function mt_rand;
 
@@ -77,7 +78,11 @@ final class CoralBlock extends Opaque{
 				}
 			}
 			if(!$hasWater){
-				$world->setBlock($this->position, $this->setDead(true));
+				$ev = new BlockDeathEvent($this, $this->setDead(true));
+				$ev->call();
+				if(!$ev->isCancelled()){
+					$world->setBlock($this->position, $ev->getNewState());
+				}
 			}
 		}
 	}
diff --git a/src/event/block/BlockDeathEvent.php b/src/event/block/BlockDeathEvent.php
new file mode 100644
index 000000000..c07e3ad6e
--- /dev/null
+++ b/src/event/block/BlockDeathEvent.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\event\block;
+
+/**
+ * Called when a block dies.
+ * This could be things like corals dying due to no water being nearby.
+ */
+class BlockDeathEvent extends BaseBlockChangeEvent{
+
+}