SPIGOT-1816: Rework drop capture.

nms-patches/Entity.patch

@@ -364,7 +364,7 @@
      public EntityItem a(ItemStack itemstack, float f) {
          if (itemstack.count != 0 && itemstack.getItem() != null) {
 +            // CraftBukkit start - Capture drops for death event
-+            if (this instanceof EntityLiving && ((EntityLiving) this).drops != null) {
++            if (this instanceof EntityLiving) {
 +                ((EntityLiving) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack));
 +                return null;
 +            }

nms-patches/EntityCreeper.patch

@@ -11,15 +11,7 @@
  public class EntityCreeper extends EntityMonster {
  
      private static final DataWatcherObject<Integer> a = DataWatcher.a(EntityCreeper.class, DataWatcherRegistry.b);
-@@ -10,6 +15,7 @@
+@@ -117,7 +122,7 @@
-     private int maxFuseTicks = 30;
-     private int explosionRadius = 3;
-     private int bz = 0;
-+    private int record = -1; // CraftBukkit
- 
-     public EntityCreeper(World world) {
-         super(world);
-@@ -117,21 +123,41 @@
      }
  
      public void die(DamageSource damagesource) {
@@ -28,43 +20,15 @@
          if (this.world.getGameRules().getBoolean("doMobLoot")) {
              if (damagesource.getEntity() instanceof EntitySkeleton) {
                  int i = Item.getId(Items.RECORD_13);
-                 int j = Item.getId(Items.RECORD_WAIT);
+@@ -130,6 +135,7 @@
-                 int k = i + this.random.nextInt(j - i + 1);
+                 this.a(new ItemStack(Items.SKULL, 1, 4), 0.0F);
- 
--                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()).canCauseHeadDrop()) {
-                 ((EntityCreeper) damagesource.getEntity()).setCausedHeadDrop();
--                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 B(Entity entity) {
+     }
-         return true;
+ 
-@@ -155,8 +181,18 @@
+@@ -155,8 +161,18 @@
  
      public void onLightningStrike(EntityLightning entitylightning) {
          super.onLightningStrike(entitylightning);
@@ -83,7 +47,7 @@
  
      protected boolean a(EntityHuman entityhuman, EnumHand enumhand, ItemStack itemstack) {
          if (itemstack != null && itemstack.getItem() == Items.FLINT_AND_STEEL) {
-@@ -177,9 +213,17 @@
+@@ -177,9 +193,17 @@
              boolean flag = this.world.getGameRules().getBoolean("mobGriefing");
              float f = this.isPowered() ? 2.0F : 1.0F;
  

nms-patches/EntityInsentient.patch

@@ -64,28 +64,7 @@
      }
  
      public boolean d(Class<? extends EntityLiving> oclass) {
-@@ -225,6 +267,7 @@
+@@ -321,11 +363,20 @@
-         return null;
-     }
- 
-+    protected ItemStack headDrop = null; // CraftBukkit
-     protected void dropDeathLoot(boolean flag, int i) {
-         Item item = this.getLoot();
- 
-@@ -240,6 +283,12 @@
-             }
-         }
- 
-+        // CraftBukkit start
-+        if (headDrop != null) {
-+            this.a(headDrop, 0.0F);
-+            headDrop = null;
-+        }
-+        // CraftBukkit end
-     }
- 
-     public void b(NBTTagCompound nbttagcompound) {
-@@ -321,11 +370,20 @@
  
      public void a(NBTTagCompound nbttagcompound) {
          super.a(nbttagcompound);
@@ -108,16 +87,7 @@
          NBTTagList nbttaglist;
          int i;
  
-@@ -406,7 +464,7 @@
+@@ -549,11 +600,11 @@
-             }
- 
-             this.dropEquipment(flag, i);
--        } else {
-+        } { // CraftBukkit - remove else
-             super.a(flag, i, damagesource);
-         }
- 
-@@ -549,11 +607,11 @@
                  double d2 = entityhuman.locZ - this.locZ;
                  double d3 = d0 * d0 + d1 * d1 + d2 * d2;
  
@@ -131,7 +101,7 @@
                      this.die();
                  } else if (d3 < 1024.0D) {
                      this.ticksFarFromPlayer = 0;
-@@ -931,9 +989,21 @@
+@@ -931,9 +982,21 @@
  
      public final boolean a(EntityHuman entityhuman, ItemStack itemstack, EnumHand enumhand) {
          if (this.isLeashed() && this.getLeashHolder() == entityhuman) {
@@ -153,7 +123,7 @@
              this.setLeashHolder(entityhuman, true);
              --itemstack.count;
              return true;
-@@ -953,10 +1023,12 @@
+@@ -953,10 +1016,12 @@
  
          if (this.bC) {
              if (!this.isAlive()) {
@@ -166,7 +136,7 @@
                  this.unleash(true, true);
              }
          }
-@@ -1037,6 +1109,7 @@
+@@ -1037,6 +1102,7 @@
  
                  this.leashHolder = entityleash;
              } else {

nms-patches/EntityLiving.patch

@@ -28,7 +28,7 @@
 +    // CraftBukkit start
 +    public int expToDrop;
 +    public int maxAirTicks = 300;
-+    ArrayList<org.bukkit.inventory.ItemStack> drops;
++    ArrayList<org.bukkit.inventory.ItemStack> drops = new ArrayList<org.bukkit.inventory.ItemStack>();
 +    public org.bukkit.craftbukkit.attribute.CraftAttributeMap craftAttributes;
 +    // CraftBukkit end
  
@@ -302,24 +302,20 @@
                  this.az = 0.0F;
                  Entity entity = damagesource.getEntity();
  
-@@ -822,9 +956,16 @@
+@@ -825,6 +959,12 @@
-                 }
- 
-                 if (this.isDropExperience() && this.world.getGameRules().getBoolean("doMobLoot")) {
-+                    this.drops = new ArrayList<org.bukkit.inventory.ItemStack>(); // CraftBukkit - Setup drop capture
                      boolean flag = this.lastDamageByPlayerTime > 0;
  
                      this.a(flag, i, damagesource);
 +                    // CraftBukkit start - Call death event
 +                    CraftEventFactory.callEntityDeathEvent(this, this.drops);
-+                    this.drops = null;
++                    this.drops = new ArrayList<org.bukkit.inventory.ItemStack>();
 +                } else {
 +                    CraftEventFactory.callEntityDeathEvent(this);
 +                    // CraftBukkit end
                  }
              }
  
-@@ -912,8 +1053,13 @@
+@@ -912,8 +1052,13 @@
          int i = MathHelper.f((f - 3.0F - f2) * f1);
  
          if (i > 0) {
@@ -334,7 +330,7 @@
              int j = MathHelper.floor(this.locX);
              int k = MathHelper.floor(this.locY - 0.20000000298023224D);
              int l = MathHelper.floor(this.locZ);
-@@ -940,20 +1086,20 @@
+@@ -940,20 +1085,20 @@
  
      protected float applyArmorModifier(DamageSource damagesource, float f) {
          if (!damagesource.ignoresArmor()) {
@@ -358,7 +354,7 @@
                  i = (this.getEffect(MobEffects.RESISTANCE).getAmplifier() + 1) * 5;
                  int j = 25 - i;
                  float f1 = f * (float) j;
-@@ -974,22 +1120,122 @@
+@@ -974,22 +1119,122 @@
          }
      }
  
@@ -488,7 +484,7 @@
      }
  
      public CombatTracker getCombatTracker() {
-@@ -1055,6 +1301,7 @@
+@@ -1055,6 +1300,7 @@
      public AttributeMapBase getAttributeMap() {
          if (this.bp == null) {
              this.bp = new AttributeMapServer();
@@ -496,7 +492,7 @@
          }
  
          return this.bp;
-@@ -1702,6 +1949,13 @@
+@@ -1702,6 +1948,13 @@
          if (!list.isEmpty()) {
              for (int i = 0; i < list.size(); ++i) {
                  Entity entity = (Entity) list.get(i);
@@ -510,7 +506,7 @@
  
                  this.C(entity);
              }
-@@ -1918,7 +2172,22 @@
+@@ -1918,7 +2171,22 @@
      protected void v() {
          if (this.bm != null && this.cs()) {
              this.a(this.bm, 16);

nms-patches/EntitySkeleton.patch

@@ -41,23 +41,15 @@
          if (damagesource.i() instanceof EntityArrow && damagesource.getEntity() instanceof EntityHuman) {
              EntityHuman entityhuman = (EntityHuman) damagesource.getEntity();
              double d0 = entityhuman.locX - this.locX;
-@@ -136,9 +145,14 @@
+@@ -138,6 +147,7 @@
-             }
-         } else if (damagesource.getEntity() instanceof EntityCreeper && ((EntityCreeper) damagesource.getEntity()).isPowered() && ((EntityCreeper) damagesource.getEntity()).canCauseHeadDrop()) {
              ((EntityCreeper) damagesource.getEntity()).setCausedHeadDrop();
--            this.a(new ItemStack(Items.SKULL, 1, this.getSkeletonType() == 1 ? 1 : 0), 0.0F);
+             this.a(new ItemStack(Items.SKULL, 1, this.getSkeletonType() == 1 ? 1 : 0), 0.0F);
-+            // CraftBukkit start
-+            // this.a(new ItemStack(Items.SKULL, 1, this.getSkeletonType() == 1 ? 1 : 0), 0.0F);
-+            headDrop = new ItemStack(Items.SKULL, 1, this.getSkeletonType() == 1 ? 1 : 0);
-+            // CraftBukkit end
          }
- 
 +        super.die(damagesource); // CraftBukkit - moved from above
-+
+ 
      }
  
-     protected MinecraftKey J() {
+@@ -212,11 +222,30 @@
-@@ -212,11 +226,30 @@
          }
  
          if (EnchantmentManager.a(Enchantments.ARROW_FIRE, (EntityLiving) this) > 0 || this.getSkeletonType() == 1) {

nms-patches/EntityZombie.patch

@@ -104,7 +104,7 @@
          entityvillager.addEffect(new MobEffect(MobEffects.CONFUSION, 200, 0));
          this.world.a((EntityHuman) null, 1027, new BlockPosition((int) this.locX, (int) this.locY, (int) this.locZ), 0);
      }
-@@ -514,12 +541,16 @@
+@@ -514,11 +541,12 @@
      }
  
      public void die(DamageSource damagesource) {
@@ -112,14 +112,9 @@
 +        // super.die(damagesource); // CraftBukkit
          if (damagesource.getEntity() instanceof EntityCreeper && !(this instanceof EntityPigZombie) && ((EntityCreeper) damagesource.getEntity()).isPowered() && ((EntityCreeper) damagesource.getEntity()).canCauseHeadDrop()) {
              ((EntityCreeper) damagesource.getEntity()).setCausedHeadDrop();
--            this.a(new ItemStack(Items.SKULL, 1, 2), 0.0F);
+             this.a(new ItemStack(Items.SKULL, 1, 2), 0.0F);
-+            // CraftBukkit start
-+            // this.a(new ItemStack(Items.SKULL, 1, 2), 0.0F);
-+            headDrop = new ItemStack(Items.SKULL, 1, 2);
-+            // CraftBukkit end
          }
- 
 +        super.die(damagesource); // CraftBukkit - moved from above
+ 
      }
  
-     static class SyntheticClass_1 {    }