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 504ba1588ae0c35c81934d0a09f0ad70d542d968..9ec043ff2cd38e589066a3eb7f42834e4e7592cf 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -83,8 +83,10 @@ 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(GameEvent.BLOCK_ACTIVATE, pos, GameEvent.Context.of(tileentitydispenser.getBlockState()));
+            } // 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 1415ad60163f6584619cc7caa61f1848d6ebaa93..801c4c120e98584bcf218a4ef9bd66d7d18c1097 100644
--- a/src/main/java/net/minecraft/world/level/block/DropperBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DropperBlock.java
@@ -44,6 +44,7 @@ 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 0c177a3165ea61bf31f030111084920a3a048256..edd27b8e2535b520c4f6e6309269ab84799f2a3a 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1920,4 +1920,12 @@ public class CraftEventFactory {
 
         return !event.isCancelled();
     }
+
+    // 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
 }