patches/server/0177-PlayerAdvancementCriterionGrantEvent.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Fri, 19 Jan 2018 08:15:29 -0600
Subject: [PATCH] PlayerAdvancementCriterionGrantEvent


diff --git a/src/main/java/net/minecraft/server/PlayerAdvancements.java b/src/main/java/net/minecraft/server/PlayerAdvancements.java
index e5ffc18cbd107b9fd20a9781f6f1979e9598378f..ecd62d2625bc5def3ac68f642f2c6f156060f129 100644
--- a/src/main/java/net/minecraft/server/PlayerAdvancements.java
+++ b/src/main/java/net/minecraft/server/PlayerAdvancements.java
@@ -277,6 +277,12 @@ public class PlayerAdvancements {
         boolean flag1 = advancementprogress.isDone();
 
         if (advancementprogress.grantProgress(criterionName)) {
+            // Paper start
+            if (!new com.destroystokyo.paper.event.player.PlayerAdvancementCriterionGrantEvent(this.player.getBukkitEntity(), advancement.bukkit, criterionName).callEvent()) {
+                advancementprogress.revokeProgress(criterionName);
+                return false;
+            }
+            // Paper end
             this.unregisterListeners(advancement);
             this.progressChanged.add(advancement);
             flag = true;