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Paper/Spigot-Server-Patches/0653-Make-ProjectileHitEvent-Cancellable.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 16 Jan 2021 14:30:12 -0500
Subject: [PATCH] Make ProjectileHitEvent Cancellable
Allows cancelling things like detonating TNT from Fire Arrows
diff --git a/src/main/java/net/minecraft/server/EntityFireball.java b/src/main/java/net/minecraft/server/EntityFireball.java
index 74ca38f8e4e1addc243c3f3b57021d26f0ce3c97..0840fdf3585407ec317f0326359619220c64db78 100644
--- a/src/main/java/net/minecraft/server/EntityFireball.java
+++ b/src/main/java/net/minecraft/server/EntityFireball.java
@@ -71,7 +71,7 @@ public abstract class EntityFireball extends IProjectile {
// CraftBukkit start - Fire ProjectileHitEvent
if (this.dead) {
- CraftEventFactory.callProjectileHitEvent(this, movingobjectposition);
+ if (!CraftEventFactory.callProjectileHitEvent(this, movingobjectposition)) return; // Paper - this is an undesired duplicate event, but make cancellable
}
// CraftBukkit end
}
diff --git a/src/main/java/net/minecraft/server/IProjectile.java b/src/main/java/net/minecraft/server/IProjectile.java
index 9f5ce64a60fe7c312399ee416b11b84213dd3bee..bbc089b41fcbe0141f13591db2cb44b9e688cac4 100644
--- a/src/main/java/net/minecraft/server/IProjectile.java
+++ b/src/main/java/net/minecraft/server/IProjectile.java
@@ -118,7 +118,7 @@ public abstract class IProjectile extends Entity {
}
protected void a(MovingObjectPosition movingobjectposition) {
- org.bukkit.craftbukkit.event.CraftEventFactory.callProjectileHitEvent(this, movingobjectposition); // CraftBukkit - Call event
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callProjectileHitEvent(this, movingobjectposition)) return; // CraftBukkit - Call event // Paper - make cancellable
MovingObjectPosition.EnumMovingObjectType movingobjectposition_enummovingobjecttype = movingobjectposition.getType();
if (movingobjectposition_enummovingobjecttype == MovingObjectPosition.EnumMovingObjectType.ENTITY) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 8bbce9b07afb0ba327b399bf8c13b64d6d3c6e16..579e1b3cde06a1138d90cda61a2bcf87aed3be98 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1296,9 +1296,9 @@ public class CraftEventFactory {
return event;
}
- public static void callProjectileHitEvent(Entity entity, MovingObjectPosition position) {
+ public static boolean callProjectileHitEvent(Entity entity, MovingObjectPosition position) { // Paper - make cancellable
if (position.getType() == MovingObjectPosition.EnumMovingObjectType.MISS) {
- return;
+ return false; // Paper - make cancellable
}
Block hitBlock = null;
@@ -1315,7 +1315,7 @@ public class CraftEventFactory {
}
ProjectileHitEvent event = new ProjectileHitEvent((Projectile) entity.getBukkitEntity(), hitEntity, hitBlock, hitFace);
- entity.world.getServer().getPluginManager().callEvent(event);
+ return event.callEvent(); // Paper
}
public static ExpBottleEvent callExpBottleEvent(Entity entity, int exp) {