Added/updated EntityDeathEvents to reflect changes to the Vanilla spec.

src/main/java/net/minecraft/server/EntityChicken.java

@@ -0,0 +1,105 @@
+package net.minecraft.server;
+
+// CraftBukkit start
+import java.util.List;
+
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.entity.CraftEntity;
+import org.bukkit.event.entity.EntityDeathEvent;
+// CraftBukkit end
+
+public class EntityChicken extends EntityAnimal {
+
+    public boolean a = false;
+    public float b = 0.0F;
+    public float c = 0.0F;
+    public float g;
+    public float h;
+    public float i = 1.0F;
+    public int j;
+
+    public EntityChicken(World world) {
+        super(world);
+        this.texture = "/mob/chicken.png";
+        this.b(0.3F, 0.7F);
+        this.health = 4;
+        this.j = this.random.nextInt(6000) + 6000;
+    }
+
+    public void s() {
+        super.s();
+        this.h = this.b;
+        this.g = this.c;
+        this.c = (float) ((double) this.c + (double) (this.onGround ? -1 : 4) * 0.3D);
+        if (this.c < 0.0F) {
+            this.c = 0.0F;
+        }
+
+        if (this.c > 1.0F) {
+            this.c = 1.0F;
+        }
+
+        if (!this.onGround && this.i < 1.0F) {
+            this.i = 1.0F;
+        }
+
+        this.i = (float) ((double) this.i * 0.9D);
+        if (!this.onGround && this.motY < 0.0D) {
+            this.motY *= 0.6D;
+        }
+
+        this.b += this.i * 2.0F;
+        if (!this.world.isStatic && --this.j <= 0) {
+            this.world.makeSound(this, "mob.chickenplop", 1.0F, (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F);
+            this.b(Item.EGG.id, 1);
+            this.j = this.random.nextInt(6000) + 6000;
+        }
+    }
+
+    protected void a(float f) {}
+
+    public void b(NBTTagCompound nbttagcompound) {
+        super.b(nbttagcompound);
+    }
+
+    public void a(NBTTagCompound nbttagcompound) {
+        super.a(nbttagcompound);
+    }
+
+    protected String h() {
+        return "mob.chicken";
+    }
+
+    protected String i() {
+        return "mob.chickenhurt";
+    }
+
+    protected String j() {
+        return "mob.chickenhurt";
+    }
+
+    protected int k() {
+        return Item.FEATHER.id;
+    }
+
+    protected void a(boolean flag) {
+        // CraftBukkit start - whole method
+        List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>();
+        int count = this.random.nextInt(3);
+
+        if (count > 0) {
+            loot.add(new org.bukkit.inventory.ItemStack(Item.FEATHER.id, count));
+            loot.add(new org.bukkit.inventory.ItemStack(this.fireTicks > 0 ? Item.COOKED_CHICKEN.id : Item.RAW_CHICKEN.id, 1));
+        }
+
+        CraftEntity entity = (CraftEntity) this.getBukkitEntity();
+        EntityDeathEvent event = new EntityDeathEvent(entity, loot);
+        org.bukkit.World bworld = this.world.getWorld();
+        this.world.getServer().getPluginManager().callEvent(event);
+
+        for (org.bukkit.inventory.ItemStack stack: event.getDrops()) {
+            bworld.dropItemNaturally(entity.getLocation(), stack);
+        }
+        // CraftBukkit end
+    }
+}

src/main/java/net/minecraft/server/EntityCow.java

@@ -1,9 +1,13 @@
 package net.minecraft.server;
 
 // CraftBukkit start
+import java.util.List;
+
 import org.bukkit.Location;
+import org.bukkit.craftbukkit.entity.CraftEntity;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.entity.EntityDeathEvent;
 import org.bukkit.event.player.PlayerBucketFillEvent;
 // CraftBukkit end
 
@@ -44,23 +48,29 @@ public class EntityCow extends EntityAnimal {
     }
 
     protected void a(boolean flag) {
-        int i = this.random.nextInt(3);
+        // CraftBukkit start - whole method
+        List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>();
+        int count = this.random.nextInt(3);
 
-        int j;
-
-        for (j = 0; j < i; ++j) {
-            this.b(Item.LEATHER.id, 1);
+        if (count > 0) {
+            loot.add(new org.bukkit.inventory.ItemStack(Item.LEATHER.id, count));
         }
 
-        i = this.random.nextInt(3) + 1;
+        count = this.random.nextInt(3) + 1;
 
-        for (j = 0; j < i; ++j) {
-            if (this.fireTicks > 0) {
-                this.b(Item.COOKED_BEEF.id, 1);
-            } else {
-                this.b(Item.RAW_BEEF.id, 1);
+        if (count > 0) {
+            loot.add(new org.bukkit.inventory.ItemStack(this.fireTicks > 0 ? Item.COOKED_BEEF.id : Item.RAW_BEEF.id, count));
         }
+
+        CraftEntity entity = (CraftEntity) this.getBukkitEntity();
+        EntityDeathEvent event = new EntityDeathEvent(entity, loot);
+        org.bukkit.World bworld = this.world.getWorld();
+        this.world.getServer().getPluginManager().callEvent(event);
+
+        for (org.bukkit.inventory.ItemStack stack: event.getDrops()) {
+            bworld.dropItemNaturally(entity.getLocation(), stack);
         }
+        // CraftBukkit end
     }
 
     public boolean b(EntityHuman entityhuman) {

src/main/java/net/minecraft/server/EntityEnderman.java

@@ -1,10 +1,14 @@
 package net.minecraft.server;
 
-// Craftbukkit start
+// CraftBukkit start
+import java.util.List;
+
 import org.bukkit.Location;
+import org.bukkit.craftbukkit.entity.CraftEntity;
 import org.bukkit.event.entity.EndermanPickupEvent;
 import org.bukkit.event.entity.EndermanPlaceEvent;
-// Craftbukkit end
+import org.bukkit.event.entity.EntityDeathEvent;
+// CraftBukkit end
 
 public class EntityEnderman extends EntityMonster {
 
@@ -264,13 +268,23 @@ public class EntityEnderman extends EntityMonster {
     protected void a(boolean flag) {
         int i = this.k();
 
-        if (i > 0) {
-            int j = this.random.nextInt(2);
+        // CraftBukkit start - whole method
+        List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>();
+        int count = this.random.nextInt(2);
 
-            for (int k = 0; k < j; ++k) {
-                this.b(i, 1);
+        if ((i > 0) && (count > 0)) {
+            loot.add(new org.bukkit.inventory.ItemStack(i, count));
         }
+
+        CraftEntity entity = (CraftEntity) this.getBukkitEntity();
+        EntityDeathEvent event = new EntityDeathEvent(entity, loot);
+        org.bukkit.World bworld = this.world.getWorld();
+        this.world.getServer().getPluginManager().callEvent(event);
+
+        for (org.bukkit.inventory.ItemStack stack: event.getDrops()) {
+            bworld.dropItemNaturally(entity.getLocation(), stack);
         }
+        // CraftBukkit end
     }
 
     public void setCarriedId(int i) {