From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: TheViperShow <29604693+TheViperShow@users.noreply.github.com>
Date: Wed, 22 Apr 2020 09:40:38 +0200
Subject: [PATCH] Implemented BlockFailedDispenseEvent


diff --git a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -0,0 +0,0 @@ public class DispenserBlock extends BaseEntityBlock {
         int i = tileentitydispenser.getRandomSlot(world.random);
 
         if (i < 0) {
+            if (org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockFailedDispenseEvent(world, pos)) {// Paper - BlockFailedDispenseEvent is called here
             world.levelEvent(1001, pos, 0);
             world.gameEvent((Entity) null, GameEvent.DISPENSE_FAIL, pos);
+            } // Paper
         } else {
             ItemStack itemstack = tileentitydispenser.getItem(i);
             DispenseItemBehavior idispensebehavior = this.getDispenseMethod(itemstack);
diff --git a/src/main/java/net/minecraft/world/level/block/DropperBlock.java b/src/main/java/net/minecraft/world/level/block/DropperBlock.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/DropperBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DropperBlock.java
@@ -0,0 +0,0 @@ public class DropperBlock extends DispenserBlock {
         int i = tileentitydispenser.getRandomSlot(world.random);
 
         if (i < 0) {
+            if (org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockFailedDispenseEvent(world, pos)) // Paper - BlockFailedDispenseEvent is called here
             world.levelEvent(1001, pos, 0);
         } else {
             ItemStack itemstack = tileentitydispenser.getItem(i);
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -0,0 +0,0 @@ public class CraftEventFactory {
         EntitiesUnloadEvent event = new EntitiesUnloadEvent(new CraftChunk((ServerLevel) world, coords.x, coords.z), bukkitEntities);
         Bukkit.getPluginManager().callEvent(event);
     }
+
+    // Paper start
+    public static boolean handleBlockFailedDispenseEvent(ServerLevel serverLevel, BlockPos blockposition) {
+        org.bukkit.block.Block block = serverLevel.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
+        io.papermc.paper.event.block.BlockFailedDispenseEvent event = new io.papermc.paper.event.block.BlockFailedDispenseEvent(block);
+        return event.callEvent();
+    }
+    // Paper end
 }