SPIGOT-5255: Raid / patrol spawn reasons

nms-patches/MobSpawnerPatrol.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/server/MobSpawnerPatrol.java
++++ b/net/minecraft/server/MobSpawnerPatrol.java
+@@ -96,7 +96,7 @@
+ 
+                 entitymonsterpatrolling.setPosition((double) blockposition.getX(), (double) blockposition.getY(), (double) blockposition.getZ());
+                 entitymonsterpatrolling.prepare(world, world.getDamageScaler(blockposition), EnumMobSpawn.PATROL, (GroupDataEntity) null, (NBTTagCompound) null);
+-                world.addEntity(entitymonsterpatrolling);
++                world.addEntity(entitymonsterpatrolling, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.PATROL); // CraftBukkit
+                 return true;
+             } else {
+                 return false;

nms-patches/Raid.patch

@@ -140,6 +140,15 @@
      }
  
      public void a(int i, EntityRaider entityraider, @Nullable BlockPosition blockposition, boolean flag) {
+@@ -513,7 +536,7 @@
+                 entityraider.prepare(this.k, this.k.getDamageScaler(blockposition), EnumMobSpawn.EVENT, (GroupDataEntity) null, (NBTTagCompound) null);
+                 entityraider.a(i, false);
+                 entityraider.onGround = true;
+-                this.k.addEntity(entityraider);
++                this.k.addEntity(entityraider, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.RAID); // CraftBukkit
+             }
+         }
+ 
 @@ -759,6 +782,12 @@
          this.h.add(entity.getUniqueID());
      }