/// <summary>
/// Add Collectible to the networked buffered list for tracking it on all clients. This method actually
/// checks whether the Collectible is existent already and then modifies that entry, before adding it.
/// The object ID has to be assigned in all cases, but the other parameters depend on the state.
/// </summary>
public int AddBufferedCollectible(NetworkInstanceId id, Vector3 position, NetworkInstanceId tarId)
{
//find existing index, if any
int index = collects.Count;
for (int i = 0; i < collects.Count; i++)
{
if (collects[i].objId == id)
{
index = i;
break;
}
}
//create new state with variables passed in
CollectibleState state = new CollectibleState
{
objId = id,
pos = position,
targetId = tarId
};
//modify or add new entry to the list
if (index < collects.Count)
{
collects[index] = state;
}
else
{
collects.Add(state);
}
//return index that was modified in this operation
return(index);
}
/// <summary>
/// Method called by the SyncList operation over the Network when its content changes.
/// This is an implementation for changes to the buffered Collectibles, updating their position and assignment.
/// Parameters: type of operation, index of Collectible which received updates.
/// </summary>
public void OnCollectibleStateChanged(SyncListStruct <CollectibleState> .Operation op, int index)
{
//get reference by index
CollectibleState state = collects[index];
if (state.objId.Value <= 0)
{
return;
}
//get game object instance by network ID
GameObject obj = ClientScene.FindLocalObject(state.objId);
if (obj == null)
{
return;
}
//get Collectible component on that object
Collectible colComp = obj.GetComponent <Collectible>();
if (colComp == null)
{
return;
}
//targetId is assigned: handle pickup on the corresponding player
//or position is not at origin: handle drop at that position
//otherwise when the entry has changed it got returned to its spawn position
if (state.targetId.Value > 0)
{
colComp.spawner.Pickup(state.targetId);
}
else if (state.pos != colComp.spawner.transform.position)
{
colComp.spawner.Drop(state.pos);
}
else
{
colComp.spawner.Return();
}
}
