[Bleeding] Account for new rare drops in EntityDeath events. Fixes BUKKIT-1105

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

@@ -9,6 +9,7 @@ import java.util.Random;
 // CraftBukkit start
 import org.bukkit.craftbukkit.TrigMath;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.event.entity.EntityDamageByBlockEvent;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.entity.EntityRegainHealthEvent;
@@ -778,20 +779,18 @@ public abstract class EntityLiving extends Entity {
 
             if (!this.isBaby()) {
                 this.dropDeathLoot(this.lastDamageByPlayerTime > 0, i);
-                if (this.lastDamageByPlayerTime > 0) {
+                // CraftBukkit - move rare item drop call to dropDeathLoot
-                    int j = this.random.nextInt(200) - i;
-
-                    if (j < 5) {
-                        this.b(j <= 0 ? 1 : 0);
-                    }
-                }
             }
         }
 
         this.world.broadcastEntityEffect(this, (byte) 3);
     }
 
-    protected void b(int i) {}
+    // CraftBukkit start - change return type to ItemStack
+    protected ItemStack b(int i) {
+        return null;
+    }
+    // CraftBukkit end
 
     protected void dropDeathLoot(boolean flag, int i) {
         int j = this.getLootId();
@@ -811,6 +810,18 @@ public abstract class EntityLiving extends Entity {
             }
         }
 
+        // Determine rare item drops and add them to the loot
+        if (this.lastDamageByPlayerTime > 0) {
+            int k = this.random.nextInt(200) - i;
+
+            if (k < 5) {
+                ItemStack itemstack = this.b(k <= 0 ? 1 : 0);
+                if (itemstack != null) {
+                    loot.add(new CraftItemStack(itemstack));
+                }
+            }
+        }
+
         CraftEventFactory.callEntityDeathEvent(this, loot); // raise event even for those times when the entity does not drop loot
         // CraftBukkit end
     }

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

@@ -120,8 +120,6 @@ public class EntityPigZombie extends EntityZombie {
         List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>();
         int j = this.random.nextInt(2 + i);
 
-        int k;
-
         if (j > 0) {
             loot.add(new CraftItemStack(Item.ROTTEN_FLESH.id, j));
         }
@@ -131,28 +129,45 @@ public class EntityPigZombie extends EntityZombie {
         if (j > 0) {
             loot.add(new CraftItemStack(Item.GOLD_NUGGET.id, j));
         }
+
+        // Determine rare item drops and add them to the loot
+        if (this.lastDamageByPlayerTime > 0) {
+            int k = this.random.nextInt(200) - i;
+
+            if (k < 5) {
+                ItemStack itemstack = this.b(k <= 0 ? 1 : 0);
+                if (itemstack != null) {
+                    loot.add(new CraftItemStack(itemstack));
+                }
+            }
+        }
+
         CraftEventFactory.callEntityDeathEvent(this, loot);
         // CraftBukkit end
     }
 
-    protected void b(int i) {
+    // CraftBukkit start - return rare dropped item instead of dropping it
+    protected ItemStack b(int i) {
         if (i > 0) {
             ItemStack itemstack = new ItemStack(Item.GOLD_SWORD);
 
             EnchantmentManager.a(this.random, itemstack, 5);
-            this.a(itemstack, 0.0F);
+            return itemstack;
         } else {
             int j = this.random.nextInt(3);
 
             if (j == 0) {
-                this.b(Item.GOLD_INGOT.id, 1);
+                return new ItemStack(Item.GOLD_INGOT.id, 1, 0);
             } else if (j == 1) {
-                this.b(Item.GOLD_SWORD.id, 1);
+                return new ItemStack(Item.GOLD_SWORD.id, 1, 0);
             } else if (j == 2) {
-                this.b(Item.GOLD_HELMET.id, 1);
+                return new ItemStack(Item.GOLD_HELMET.id, 1, 0);
+            } else {
+                return null;
             }
         }
     }
+    // CraftBukkit end
 
     protected int getLootId() {
         return Item.ROTTEN_FLESH.id;

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

@@ -1,5 +1,10 @@
 package net.minecraft.server;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+// CraftBukkit end
+
 public class EntitySkeleton extends EntityMonster {
 
     private static final ItemStack a = new ItemStack(Item.BOW, 1);
@@ -93,18 +98,32 @@ public class EntitySkeleton extends EntityMonster {
             loot.add(new org.bukkit.inventory.ItemStack(org.bukkit.Material.BONE, count));
         }
 
-        org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(this, loot);
+        // Determine rare item drops and add them to the loot
+        if (this.lastDamageByPlayerTime > 0) {
+            int k = this.random.nextInt(200) - i;
+
+            if (k < 5) {
+                ItemStack itemstack = this.b(k <= 0 ? 1 : 0);
+                if (itemstack != null) {
+                    loot.add(new CraftItemStack(itemstack));
+                }
+            }
+        }
+
+        CraftEventFactory.callEntityDeathEvent(this, loot);
         // CraftBukkit end
     }
 
-    protected void b(int i) {
+    // CraftBukkit start - return rare dropped item instead of dropping it
+    protected ItemStack b(int i) {
         if (i > 0) {
             ItemStack itemstack = new ItemStack(Item.BOW);
 
             EnchantmentManager.a(this.random, itemstack, 5);
-            this.a(itemstack, 0.0F);
+            return itemstack;
         } else {
-            this.b(Item.BOW.id, 1);
+            return new ItemStack(Item.BOW.id, 1, 0);
         }
     }
+    // CraftBukkit end
 }

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

@@ -75,22 +75,20 @@ public class EntityZombie extends EntityMonster {
         return MonsterType.UNDEAD;
     }
 
-    protected void b(int i) {
+    // CraftBukkit start - return rare dropped item instead of dropping it
+    protected ItemStack b(int i) {
         switch (this.random.nextInt(4)) {
             case 0:
-            this.b(Item.IRON_SWORD.id, 1);
+                return new ItemStack(Item.IRON_SWORD.id, 1, 0);
-            break;
-
             case 1:
-            this.b(Item.IRON_HELMET.id, 1);
+                return new ItemStack(Item.IRON_HELMET.id, 1, 0);
-            break;
-
             case 2:
-            this.b(Item.IRON_INGOT.id, 1);
+                return new ItemStack(Item.IRON_INGOT.id, 1, 0);
-            break;
-
             case 3:
-            this.b(Item.IRON_SPADE.id, 1);
+                return new ItemStack(Item.IRON_SPADE.id, 1, 0);
+            default:
+                return null;
         }
     }
+    // CraftBukkit end
 }