CatServer/patches/net/minecraft/entity/EntityAgeable.java.patch

--- ../src-base/minecraft/net/minecraft/entity/EntityAgeable.java
+++ ../src-work/minecraft/net/minecraft/entity/EntityAgeable.java
@@ -22,6 +22,33 @@
     private float ageWidth = -1.0F;
     private float ageHeight;
 
+    public boolean ageLocked;
+
+    // Spigot start
+    @Override
+    public void inactiveTick()
+    {
+        super.inactiveTick();
+        if ( this.world.isRemote || this.ageLocked )
+        { // CraftBukkit
+            this.setScaleForAge( this.isChild() );
+        } else
+        {
+            int i = this.getGrowingAge();
+
+            if ( i < 0 )
+            {
+                ++i;
+                this.setGrowingAge( i );
+            } else if ( i > 0 )
+            {
+                --i;
+                this.setGrowingAge( i );
+            }
+        }
+    }
+    // Spigot end
+
     public EntityAgeable(World worldIn)
     {
         super(worldIn);
@@ -38,7 +65,7 @@
         {
             if (!this.world.isRemote)
             {
-                Class <? extends Entity > oclass = (Class)EntityList.REGISTRY.getObject(ItemMonsterPlacer.getNamedIdFrom(itemstack));
+                Class <? extends Entity > oclass = EntityList.getClass(ItemMonsterPlacer.getNamedIdFrom(itemstack));
 
                 if (oclass != null && this.getClass() == oclass)
                 {
@@ -48,7 +75,7 @@
                     {
                         entityageable.setGrowingAge(-24000);
                         entityageable.setLocationAndAngles(this.posX, this.posY, this.posZ, 0.0F, 0.0F);
-                        this.world.spawnEntity(entityageable);
+                        this.world.addEntity(entityageable, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER_EGG);
 
                         if (itemstack.hasDisplayName())
                         {
@@ -79,7 +106,7 @@
         }
         else
         {
-            Class <? extends Entity > oclass = (Class)EntityList.REGISTRY.getObject(ItemMonsterPlacer.getNamedIdFrom(stack));
+            Class <? extends Entity > oclass = EntityList.getClass(ItemMonsterPlacer.getNamedIdFrom(stack));
             return oclass != null && entityClass == oclass;
         }
     }
@@ -154,6 +181,7 @@
         super.writeEntityToNBT(compound);
         compound.setInteger("Age", this.getGrowingAge());
         compound.setInteger("ForcedAge", this.forcedAge);
+        compound.setBoolean("AgeLocked", this.ageLocked);
     }
 
     public void readEntityFromNBT(NBTTagCompound compound)
@@ -161,6 +189,7 @@
         super.readEntityFromNBT(compound);
         this.setGrowingAge(compound.getInteger("Age"));
         this.forcedAge = compound.getInteger("ForcedAge");
+        this.ageLocked = compound.getBoolean("AgeLocked");
     }
 
     public void notifyDataManagerChange(DataParameter<?> key)
@@ -177,7 +206,7 @@
     {
         super.onLivingUpdate();
 
-        if (this.world.isRemote)
+        if (this.world.isRemote || ageLocked)
         {
             if (this.forcedAgeTimer > 0)
             {