1 files changed, 41 insertions, 0 deletions
diff --git a/patches/server/0686-Make-EntityUnleashEvent-cancellable.patch b/patches/server/0686-Make-EntityUnleashEvent-cancellable.patch
new file mode 100644
index 0000000000..b16ad47f2f
--- /dev/null
+++ b/patches/server/0686-Make-EntityUnleashEvent-cancellable.patch
@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <[email protected]>
+Date: Sun, 3 Jan 2021 21:25:31 -0800
+Subject: [PATCH] Make EntityUnleashEvent cancellable
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
+index e08d69af81f4ca0535be522eef4792e4127f454c..5fb88a3b7242a2712a568aaccebe601f89bfee3a 100644
+--- a/src/main/java/net/minecraft/world/entity/Mob.java
++++ b/src/main/java/net/minecraft/world/entity/Mob.java
+@@ -1488,7 +1488,7 @@ public abstract class Mob extends LivingEntity {
+         if (flag1 && this.isLeashed()) {
+             // Paper start - drop leash variable
+             EntityUnleashEvent event = new EntityUnleashEvent(this.getBukkitEntity(), UnleashReason.UNKNOWN, true);
+-            this.level.getCraftServer().getPluginManager().callEvent(event); // CraftBukkit
++            if (!event.callEvent()) { return flag1; }
+             this.dropLeash(true, event.isDropLeash());
+             // Paper end
+         }
+diff --git a/src/main/java/net/minecraft/world/entity/PathfinderMob.java b/src/main/java/net/minecraft/world/entity/PathfinderMob.java
+index f5cb3576aa2560c86f4a1df9d51d8ecde4e98905..7b2a81f9a79c5e96beba44ffe9b56a305ac2404f 100644
+--- a/src/main/java/net/minecraft/world/entity/PathfinderMob.java
++++ b/src/main/java/net/minecraft/world/entity/PathfinderMob.java
+@@ -51,7 +51,7 @@ public abstract class PathfinderMob extends Mob {
+                 if (f > entity.level.paperConfig().misc.maxLeashDistance) { // Paper
+                     // Paper start - drop leash variable
+                     EntityUnleashEvent event = new EntityUnleashEvent(this.getBukkitEntity(), EntityUnleashEvent.UnleashReason.DISTANCE, true);
+-                    this.level.getCraftServer().getPluginManager().callEvent(event); // CraftBukkit
++                    if (!event.callEvent()) { return; }
+                     this.dropLeash(true, event.isDropLeash());
+                     // Paper end
+                 }
+@@ -63,7 +63,7 @@ public abstract class PathfinderMob extends Mob {
+             if (f > entity.level.paperConfig().misc.maxLeashDistance) { // Paper
+                 // Paper start - drop leash variable
+                 EntityUnleashEvent event = new EntityUnleashEvent(this.getBukkitEntity(), EntityUnleashEvent.UnleashReason.DISTANCE, true);
+-                this.level.getCraftServer().getPluginManager().callEvent(event); // CraftBukkit
++                if (!event.callEvent()) return;
+                 this.dropLeash(true, event.isDropLeash());
+                 // Paper end
+                 this.goalSelector.disableControlFlag(Goal.Flag.MOVE);