SPIGOT-1319: Add EntityBreedEvent

nms-patches/EntityAnimal.patch

@@ -1,6 +1,14 @@
 --- a/net/minecraft/server/EntityAnimal.java
 +++ b/net/minecraft/server/EntityAnimal.java
-@@ -40,6 +40,9 @@
+@@ -7,6 +7,7 @@
+     protected Block bA;
+     private int bx;
+     private EntityHuman by;
++    public ItemStack breedItem; // CraftBukkit - Add breedItem variable
+ 
+     public EntityAnimal(World world) {
+         super(world);
+@@ -40,6 +41,9 @@
  
      }
  
@@ -10,7 +18,7 @@
      public boolean damageEntity(DamageSource damagesource, float f) {
          if (this.isInvulnerable(damagesource)) {
              return false;
-@@ -48,6 +51,7 @@
+@@ -48,6 +52,7 @@
              return super.damageEntity(damagesource, f);
          }
      }
@@ -18,3 +26,11 @@
  
      public float a(BlockPosition blockposition) {
          return this.world.getType(blockposition.down()).getBlock() == Blocks.GRASS ? 10.0F : this.world.n(blockposition) - 0.5F;
+@@ -120,6 +125,7 @@
+     public void c(EntityHuman entityhuman) {
+         this.bx = 600;
+         this.by = entityhuman;
++        this.breedItem = entityhuman.inventory.getItemInHand(); // CraftBukkit
+         this.world.broadcastEntityEffect(this, (byte) 18);
+     }
+ 

nms-patches/PathfinderGoalBreed.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/PathfinderGoalBreed.java
 +++ b/net/minecraft/server/PathfinderGoalBreed.java
-@@ -69,6 +69,11 @@
+@@ -69,11 +69,23 @@
          EntityAgeable entityageable = this.animal.createChild(this.partner);
  
          if (entityageable != null) {
@@ -12,7 +12,19 @@
              EntityHuman entityhuman = this.animal.getBreedCause();
  
              if (entityhuman == null && this.partner.getBreedCause() != null) {
-@@ -88,7 +93,7 @@
+                 entityhuman = this.partner.getBreedCause();
+             }
++            // CraftBukkit start - call EntityBreedEvent
++            int experience = this.animal.getRandom().nextInt(7) + 1;
++            org.bukkit.event.entity.EntityBreedEvent entityBreedEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityBreedEvent(entityageable, animal, partner, entityhuman, this.animal.breedItem, experience);
++            if (entityBreedEvent.isCancelled()) {
++                return;
++            }
++            // CraftBukkit end
+ 
+             if (entityhuman != null) {
+                 entityhuman.b(StatisticList.C);
+@@ -88,7 +100,7 @@
              this.partner.resetLove();
              entityageable.setAgeRaw(-24000);
              entityageable.setPositionRotation(this.animal.locX, this.animal.locY, this.animal.locZ, 0.0F, 0.0F);
@@ -21,3 +33,12 @@
              Random random = this.animal.getRandom();
  
              for (int i = 0; i < 7; ++i) {
+@@ -103,7 +115,7 @@
+             }
+ 
+             if (this.a.getGameRules().getBoolean("doMobLoot")) {
+-                this.a.addEntity(new EntityExperienceOrb(this.a, this.animal.locX, this.animal.locY, this.animal.locZ, random.nextInt(7) + 1));
++                this.a.addEntity(new EntityExperienceOrb(this.a, this.animal.locX, this.animal.locY, this.animal.locZ, entityBreedEvent.getExperience())); // CraftBukkit - use event experience
+             }
+ 
+         }

nms-patches/PathfinderGoalMakeLove.patch

@@ -1,6 +1,18 @@
 --- a/net/minecraft/server/PathfinderGoalMakeLove.java
 +++ b/net/minecraft/server/PathfinderGoalMakeLove.java
-@@ -87,7 +87,7 @@
+@@ -80,6 +80,11 @@
+ 
+     private void i() {
+         EntityVillager entityvillager = this.b.b((EntityAgeable) this.c);
++        // CraftBukkit start - call EntityBreedEvent
++        if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityBreedEvent(entityvillager, this.b, this.c, null, null, 0).isCancelled()) {
++            return;
++        }
++        // CraftBukkit end
+ 
+         this.c.setAgeRaw(6000);
+         this.b.setAgeRaw(6000);
+@@ -87,7 +92,7 @@
          this.b.s(false);
          entityvillager.setAgeRaw(-24000);
          entityvillager.setPositionRotation(this.b.locX, this.b.locY, this.b.locZ, 0.0F, 0.0F);

src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -1011,4 +1011,13 @@ public class CraftEventFactory {
 		cloud.world.getServer().getPluginManager().callEvent(event);
 		return event;
 	}
+
+    public static EntityBreedEvent callEntityBreedEvent(EntityLiving child, EntityLiving mother, EntityLiving father, EntityLiving breeder, ItemStack bredWith, int experience) {
+        org.bukkit.entity.LivingEntity breederEntity = (LivingEntity)(breeder == null ? null : breeder.getBukkitEntity());
+        CraftItemStack bredWithStack = bredWith == null ? null : CraftItemStack.asCraftMirror(bredWith).clone();
+
+        EntityBreedEvent event = new EntityBreedEvent((LivingEntity) child.getBukkitEntity(), (LivingEntity) mother.getBukkitEntity(), (LivingEntity) father.getBukkitEntity(), breederEntity, bredWithStack, experience);
+        child.world.getServer().getPluginManager().callEvent(event);
+        return event;
+    }
 }