--- a/net/minecraft/server/commands/CommandSummon.java +++ b/net/minecraft/server/commands/CommandSummon.java @@ -66,7 +66,7 @@ ((EntityInsentient) entity).prepare(commandlistenerwrapper.getWorld(), commandlistenerwrapper.getWorld().getDamageScaler(entity.getChunkCoordinates()), EnumMobSpawn.COMMAND, (GroupDataEntity) null, (NBTTagCompound) null); } - if (!worldserver.addAllEntitiesSafely(entity)) { + if (!worldserver.addAllEntitiesSafely(entity, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.COMMAND)) { // CraftBukkit - pass a spawn reason of "COMMAND" throw CommandSummon.ERROR_DUPLICATE_UUID.create(); } else { commandlistenerwrapper.sendMessage(new ChatMessage("commands.summon.success", new Object[]{entity.getScoreboardDisplayName()}), true);