Paper/nms-patches/EntityCreeper.patch

--- /home/matt/mc-dev-private//net/minecraft/server/EntityCreeper.java	2015-04-13 11:47:18.827986881 +0100
+++ src/main/java/net/minecraft/server/EntityCreeper.java	2015-04-13 11:47:18.831986881 +0100
@@ -1,5 +1,10 @@
 package net.minecraft.server;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+// CraftBukkit end
+
 public class EntityCreeper extends EntityMonster {
 
     private int a;
@@ -7,6 +12,7 @@
     private int maxFuseTicks = 30;
     private int explosionRadius = 3;
     private int bn = 0;
+    private int record = -1; // CraftBukkit
 
     public EntityCreeper(World world) {
         super(world);
@@ -110,19 +116,39 @@
     }
 
     public void die(DamageSource damagesource) {
-        super.die(damagesource);
+        // super.die(damagesource); // CraftBukkit - Moved to end
         if (damagesource.getEntity() instanceof EntitySkeleton) {
             int i = Item.getId(Items.RECORD_13);
             int j = Item.getId(Items.RECORD_WAIT);
             int k = i + this.random.nextInt(j - i + 1);
 
-            this.a(Item.getById(k), 1);
+            // CraftBukkit start - Store record for now, drop in dropDeathLoot
+            // this.a(Item.getById(k), 1);
+            this.record = k;
+            // CraftBukkit end
         } else if (damagesource.getEntity() instanceof EntityCreeper && damagesource.getEntity() != this && ((EntityCreeper) damagesource.getEntity()).isPowered() && ((EntityCreeper) damagesource.getEntity()).cp()) {
             ((EntityCreeper) damagesource.getEntity()).cq();
-            this.a(new ItemStack(Items.SKULL, 1, 4), 0.0F);
+            // CraftBukkit start
+            // this.a(new ItemStack(Items.SKULL, 1, 4), 0.0F);
+            headDrop = new ItemStack(Items.SKULL, 1, 4);
+            // CraftBukkit end
         }
+        
+        super.die(damagesource); // CraftBukkit - Moved from above
+    }
+
+    // CraftBukkit start - Whole method
+    @Override
+    protected void dropDeathLoot(boolean flag, int i) {
+        super.dropDeathLoot(flag, i);
 
+        // Drop a music disc?
+        if (this.record != -1) {
+            this.a(Item.getById(this.record), 1);
+            this.record = -1;
+        }
     }
+    // CraftBukkit end
 
     public boolean r(Entity entity) {
         return true;
@@ -146,7 +172,21 @@
 
     public void onLightningStrike(EntityLightning entitylightning) {
         super.onLightningStrike(entitylightning);
-        this.datawatcher.watch(17, Byte.valueOf((byte) 1));
+        // CraftBukkit start
+        if (CraftEventFactory.callCreeperPowerEvent(this, entitylightning, org.bukkit.event.entity.CreeperPowerEvent.PowerCause.LIGHTNING).isCancelled()) {
+            return;
+        }
+
+        this.setPowered(true);
+    }
+
+    public void setPowered(boolean powered) {
+        if (!powered) {
+            this.datawatcher.watch(17, Byte.valueOf((byte) 0));
+        } else {
+            this.datawatcher.watch(17, Byte.valueOf((byte) 1));
+        }
+        // CraftBukkit end
     }
 
     protected boolean a(EntityHuman entityhuman) {
@@ -170,8 +210,15 @@
             boolean flag = this.world.getGameRules().getBoolean("mobGriefing");
             float f = this.isPowered() ? 2.0F : 1.0F;
 
-            this.world.explode(this, this.locX, this.locY, this.locZ, (float) this.explosionRadius * f, flag);
-            this.die();
+            ExplosionPrimeEvent event = new ExplosionPrimeEvent(this.getBukkitEntity(), this.explosionRadius * f, false);
+            this.world.getServer().getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                this.world.createExplosion(this, this.locX, this.locY, this.locZ, event.getRadius(), event.getFire(), flag);
+                this.die();
+            } else {
+                fuseTicks = 0;
+            }
+            // CraftBukkit end
         }
 
     }