void Awake()
{
// NOTE: Awake is called even when the script itself is disabled, so we manually have to check
// if the script is disabled or not.
if (!this.enabled)
{
return;
}
// NOTE: This makes sure the LODGroup system resets properly when you load another scene
if (masterExists)
{
masterExists = false;
instanceMaster = null;
camTrans = null;
groupCount = 0;
}
if (transform.childCount > 0)
{
// NOTE: At the end of the Awake() function, we give every instance of the script an instance ID
instanceID = groupCount++;
}
else
{
Debug.LogError("Sys_LODGroups Error: LOD Group has no children!", gameObject);
this.enabled = false;
}
}
void Start()
{
// NOTE: Because of the way the preceding Awake() is stuctured, any object still running this script
// HAS to have at least 1 child object. Ineligible objects have already been filtered out.
bool master = !masterExists;
// This block creates the LODGroup itself and fills in some of the data. It could be made into a neat
// LODGroup constructor call of course, but I think this is superfluous because construction of this
// object will only ever take place here.
LODGroup thisGroup = new LODGroup();
thisGroup.id = instanceID;
thisGroup.mainObject = gameObject;
thisGroup.origin = transform.position;
thisGroup.updateByCount = updateByCount;
thisGroup.disableRendererOnly = disableRendererOnly;
thisGroup.excludedObjects = excludedObjects;
if (master) // NOTE: This is going to be the master object
{
masterExists = true;
instanceMaster = this;
// NOTE: The reason I'm caching this transform is because Camera.main is actually
// a search type function - VERY expensive.
camTrans = Camera.main.transform;
lodGroups = new LODGroup[groupCount];
#if UNITY_EDITOR
transform.name = "!LODGroup Master";
transform.SetAsFirstSibling();
#endif
}
#if UNITY_EDITOR
else if (instanceID > groupCount)
{
Debug.LogError("Sys_LODGroups Error: (ID " + lodGroups.Length + ") can't be created because the array (Length " + lodGroups.Length + ") is not big enough!", gameObject);
return;
}
#endif
// NOTE: Grab Arrays
GrabArrays(thisGroup);
// NOTE: Do initial cull check
thisGroup.culled = (Vector3.Distance(camTrans.position, transform.position) < cullingDistance);
if (thisGroup.culled)
{
Cull(thisGroup);
}
// NOTE: Write to the array and kill all slaves
if (!master)
{
instanceMaster.lodGroups[instanceID] = thisGroup;
//print ("Slave (ID " + ticket + ") registered and terminated succesfully!");
Destroy(this);
}
else
{
lodGroups[instanceID] = thisGroup;
}
}
