Paper/Spigot-Server-Patches/0233-Implement-EntityKnockbackByEntityEvent.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
2019-04-30 03:20:24 +02:00
From: Brokkonaut <hannos17@gmx.de>
Date: Mon, 18 Jun 2018 15:46:23 +0200
Subject: [PATCH] Implement EntityKnockbackByEntityEvent
This event is called when an entity receives knockback by another entity.
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 8f6fe004a40b693d1a9945dcab0625c5e9346c01..c1e6792e0d75647108127bcf43bdc9e7bf18aea3 100644
2019-04-30 03:20:24 +02:00
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -1421,6 +1421,16 @@ public abstract class EntityLiving extends Entity {
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Vec3D vec3d1 = (new Vec3D(d0, 0.0D, d1)).d().a((double) f);
this.setMot(vec3d.x / 2.0D - vec3d1.x, this.onGround ? Math.min(0.4D, vec3d.y / 2.0D + (double) f) : vec3d.y, vec3d.z / 2.0D - vec3d1.z);
+
+ // Paper start - call EntityKnockbackByEntityEvent
+ Vec3D currentMot = this.getMot();
+ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(currentMot.x - vec3d.x, currentMot.y - vec3d.y, currentMot.z - vec3d.z);
+ // Restore old velocity to be able to access it in the event
+ this.setMot(vec3d);
+ if (entity == null || new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent((LivingEntity) getBukkitEntity(), entity.getBukkitEntity(), f, delta).callEvent()) {
+ this.setMot(vec3d.x + delta.getX(), vec3d.y + delta.getY(), vec3d.z + delta.getZ());
+ }
+ // Paper end
}
}