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Bug
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Resolution: Fixed
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Minor
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None
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None
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This server is running CraftBukkit version 3616-Spigot-d90018e-eecb4c0 (MC: 1.19.3) (Implementing API version 1.19.3-R0.1-SNAPSHOT)
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Yes
It seems like when spawning entities using a spawn egg their spawn reason is "DEFAULT" instead of "SPAWNER_EGG". I dig into the code and it seems like the spawn reason parameter is not used:
SpawnEggItem#useOn calls EntityType#spawn:
@Nullable
public T spawn(ServerLevel worldserver, @Nullable ItemStack itemstack, @Nullable Player entityhuman, BlockPos blockposition, MobSpawnType enummobspawn, boolean flag, boolean flag1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
// CraftBukkit end
CompoundTag nbttagcompound;
Consumer<T> consumer; // CraftBukkit - decompile error
if (itemstack != null) {
nbttagcompound = itemstack.getTag();
consumer = EntityType.createDefaultStackConfig(worldserver, itemstack, entityhuman);
} else {
consumer = (entity) -> {
};
nbttagcompound = null;
}
return this.spawn(worldserver, nbttagcompound, consumer, blockposition, enummobspawn, flag, flag1);
}
There the spawnReason is correct, however not used to spawn the entity.
Then, the last EntityType#spawn call has its spawn reason set always to "DEFAULT", causing this behavior.
