Add implementation of the elder Guardian API

nms-patches/Entity.patch

@@ -50,6 +50,16 @@
  
      public int getId() {
          return this.id;
+@@ -135,7 +169,8 @@
+         this.dead = true;
+     }
+ 
+-    protected void a(float f, float f1) {
++    // PAIL: Access + rename please
++    public void a(float f, float f1) { // CraftBukkit - protected to public
+         if (f != this.width || f1 != this.length) {
+             float f2 = this.width;
+ 
 @@ -150,6 +184,33 @@
      }
  

nms-patches/EntityAgeable.patch

@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/EntityAgeable.java	2014-11-28 17:43:43.061707436 +0000
+--- ../work/decompile-8eb82bde//net/minecraft/server/EntityAgeable.java	Thu Dec  4 19:00:43 2014
-+++ src/main/java/net/minecraft/server/EntityAgeable.java	2014-11-28 17:38:22.000000000 +0000
++++ src/main/java/net/minecraft/server/EntityAgeable.java	Thu Dec  4 18:45:16 2014
 @@ -7,6 +7,7 @@
      protected int c;
      private float bk = -1.0F;
@@ -46,3 +46,12 @@
              if (this.c > 0) {
                  if (this.c % 4 == 0) {
                      this.world.addParticle(EnumParticle.VILLAGER_HAPPY, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, 0.0D, 0.0D, 0.0D, new int[0]);
+@@ -146,7 +149,7 @@
+         this.a(flag ? 0.5F : 1.0F);
+     }
+ 
+-    protected final void a(float f, float f1) {
++    public final void a(float f, float f1) { // CraftBukkit - protected to public
+         boolean flag = this.bk > 0.0F;
+ 
+         this.bk = f;

nms-patches/EntityGuardian.patch

@@ -0,0 +1,21 @@
+--- ../work/decompile-8eb82bde//net/minecraft/server/EntityGuardian.java	Thu Dec 11 13:57:14 2014
++++ src/main/java/net/minecraft/server/EntityGuardian.java	Thu Dec 11 13:55:14 2014
+@@ -14,7 +14,7 @@
+     private EntityLiving bn;
+     private int bo;
+     private boolean bp;
+-    private PathfinderGoalRandomStroll bq;
++    public PathfinderGoalRandomStroll bq; // CraftBukkit - private to public
+ 
+     public EntityGuardian(World world) {
+         super(world);
+@@ -35,7 +35,8 @@
+         this.c = this.b = this.random.nextFloat();
+     }
+ 
+-    protected void aW() {
++    // PAIL: Access + rename please
++    public void aW() { // CraftBukkit - protected to public
+         super.aW();
+         this.getAttributeInstance(GenericAttributes.e).setValue(6.0D);
+         this.getAttributeInstance(GenericAttributes.d).setValue(0.5D);

nms-patches/EntityZombie.patch

@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/EntityZombie.java	2014-11-28 17:43:43.185707433 +0000
+--- ../work/decompile-8eb82bde//net/minecraft/server/EntityZombie.java	Thu Dec 11 13:57:17 2014
-+++ src/main/java/net/minecraft/server/EntityZombie.java	2014-11-28 17:38:22.000000000 +0000
++++ src/main/java/net/minecraft/server/EntityZombie.java	Thu Dec 11 13:56:17 2014
 @@ -4,6 +4,14 @@
  import java.util.List;
  import java.util.UUID;
@@ -106,3 +106,13 @@
          entityvillager.addEffect(new MobEffect(MobEffectList.CONFUSION.id, 200, 0));
          this.world.a((EntityHuman) null, 1017, new BlockPosition((int) this.locX, (int) this.locY, (int) this.locZ), 0);
      }
+@@ -487,7 +516,8 @@
+         this.a(flag ? 0.5F : 1.0F);
+     }
+ 
+-    protected final void a(float f, float f1) {
++    // PAIL: Access + rename please
++    public final void a(float f, float f1) { // CraftBukkit - protected to public
+         boolean flag = this.bo > 0.0F && this.bp > 0.0F;
+ 
+         this.bo = f;

src/main/java/org/bukkit/craftbukkit/entity/CraftGuardian.java

@@ -1,6 +1,7 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityGuardian;
+import net.minecraft.server.GenericAttributes;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Guardian;
@@ -20,4 +21,30 @@ public class CraftGuardian extends CraftMonster implements Guardian {
     public EntityType getType() {
         return EntityType.GUARDIAN;
     }
+
+    @Override
+    public boolean isElder() {
+        return ((EntityGuardian)entity).cl();
+    }
+
+    @Override
+    public void setElder( boolean shouldBeElder ) {
+        EntityGuardian entityGuardian = (EntityGuardian) entity;
+
+        if (!isElder() && shouldBeElder) {
+            entityGuardian.a( true );
+        } else if (isElder() && !shouldBeElder) {
+            entityGuardian.a( false );
+
+            // Since minecraft does not reset the elder Guardian to a guardian we have to do that
+            entity.a(0.85F, 0.85F);
+            entityGuardian.aW();
+
+            // Update pathfinding (random stroll back to 80)
+            entityGuardian.bq.b(80);
+
+            // Tell minecraft that we need persistence since the guardian changed
+            entityGuardian.bW();
+        }
+    }
 }