From ef9295707aaf3abde7cb44c51ebf67b272f202d2 Mon Sep 17 00:00:00 2001
From: EvilSeph <evilseph@unaligned.org>
Date: Tue, 7 Jun 2011 00:57:36 -0400
Subject: [PATCH] Fixed entity damaged by entity event firing twice when
 players damage each other. Thanks Xolsom!

---
 src/main/java/net/minecraft/server/EntityHuman.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 57727cab6d..713b973e51 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -516,8 +516,8 @@ public abstract class EntityHuman extends EntityLiving {
                 ++i;
             }
 
-            // CraftBukkit start
-            if (entity instanceof EntityLiving) {
+            // CraftBukkit start - Don't call the event when the entity is human since it will be called with damageEntity
+            if (entity instanceof EntityLiving && !(entity instanceof EntityHuman)) {
                 CraftServer server = ((WorldServer) this.world).getServer();
                 org.bukkit.entity.Entity damager = this.getBukkitEntity();
                 org.bukkit.entity.Entity damagee = (entity == null) ? null : entity.getBukkitEntity();