From fb8c5547b3e8f2b44567b68c3232a4b5db3e9f0c Mon Sep 17 00:00:00 2001
From: Likaos <romain.rosique@gmail.com>
Date: Mon, 16 Dec 2013 22:30:13 -0500
Subject: [PATCH] Add methods to get and set arrow knockback. Adds BUKKIT-5103

---
 src/main/java/net/minecraft/server/EntityArrow.java    |  2 +-
 .../java/org/bukkit/craftbukkit/entity/CraftArrow.java | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/minecraft/server/EntityArrow.java b/src/main/java/net/minecraft/server/EntityArrow.java
index 4b3e5dd5c0..efa05ba251 100644
--- a/src/main/java/net/minecraft/server/EntityArrow.java
+++ b/src/main/java/net/minecraft/server/EntityArrow.java
@@ -21,7 +21,7 @@ public class EntityArrow extends Entity implements IProjectile {
     private int j;
     private int au;
     private double damage = 2.0D;
-    private int aw;
+    public int aw; // CraftBukkit - private -> public
 
     public EntityArrow(World world) {
         super(world);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftArrow.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftArrow.java
index b46b9c4cc7..bea6067c1e 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftArrow.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftArrow.java
@@ -2,6 +2,7 @@ package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityArrow;
 
+import org.apache.commons.lang.Validate;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.EntityType;
@@ -27,6 +28,15 @@ public class CraftArrow extends AbstractProjectile implements Arrow {
         }
     }
 
+    public void setKnockbackStrength(int knockbackStrength) {
+        Validate.isTrue(knockbackStrength >= 0, "Knockback cannot be negative");
+        getHandle().a(knockbackStrength);
+    }
+
+    public int getKnockbackStrength() {
+        return getHandle().aw;
+    }
+
     @Override
     public EntityArrow getHandle() {
         return (EntityArrow) entity;