[Netcode] Spawning Items server side

I know how to spawn a specific item with the Ghost Collection and use FindGhostType<T>() to retrieve the index of the item, then spawn it.

I want to know if there is a more generic way to spawn an item on the server, say itemID 2. In this case a gun or a health pot. Then I can programmatically create pickups.

Maybe something like this where I know the itemID:

            var ghostCollection = GetSingleton<GhostPrefabCollectionComponent>();

            var prefab = EntityManager.GetBuffer<GhostPrefabBuffer>(ghostCollection.serverPrefabs)[itemID].Value;

            var player = EntityManager.Instantiate(prefab);

 

After looking more into the Asteroids demo, it doesn't look possible. I tried creating two actors with two different materials. If you update the ghost list and generate code, it doesn't know how to differentiate the same prefab.

Is there anyone making a game with, I don't know, multiple characters?

 

If each ghost has its own unique component to differentiate from the others, you can use a for loop to search for the ghost with the desired component and then spawn it.

 

I use this static extension method:

Code (CSharp):

1. public static Entity GetGhostPrefab<T>(this GhostPrefabCollectionComponent ghostCollection, EntityManager entityManager)
2.     {      
3.         var prefab = Entity.Null;
4.         var serverPrefabs = entityManager.GetBuffer<GhostPrefabBuffer>(ghostCollection.serverPrefabs);
5.         for (int ghostId = 0; ghostId < serverPrefabs.Length; ++ghostId)
6.         {
7.             if (entityManager.HasComponent<T>(serverPrefabs[ghostId].Value))
8.                 prefab = serverPrefabs[ghostId].Value;
9.         }
10.  
11.         return prefab;
12.     }

So you only need to know 1 comp that is unique in the ghosts.