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 d77ca08832105e82cee265eea222e0d64a8876ef..21c37ad365e09a296c3e7a2d0cde7a29ced09c33 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -95,8 +95,10 @@ 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 913ed110d8402d377152753325901eb7f3ac82d6..675644974ae6fb5380a6496a2ac3ec4d1ef7c924 100644
--- a/src/main/java/net/minecraft/world/level/block/DropperBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DropperBlock.java
@@ -59,6 +59,7 @@ 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 0e0c64c9fad14ad77af784e719fe6f203479db14..8b2fda9c6cbb0872798ce3240d9a6d32cb61b82e 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -2040,4 +2040,12 @@ public class CraftEventFactory {
         Bukkit.getPluginManager().callEvent(event);
         return 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
 }