/// <summary>
/// Is the spawn point able to spawn an item.
/// </summary>
/// <returns>True if the spawn point can spawn an item</returns>
public override bool canSpawn()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure our spawn is correctly setup
if (this.isValidConfiguration() == false)
{
return(false);
}
// Check for trival case
if (performOccupiedCheck == false)
{
return(true);
}
// Allow the user to specify how occupied spawns are detected
switch (occupiedCheckMode)
{
// Use physics overlap sphere to validate the spawn
default:
case OccupiedCheckMode.OverlapSphere:
{
// Get the spawn info
SpawnInfo info = getSpawnInfo();
// Find the center point
Vector3 center = info.SpawnLocation + new Vector3(0, spawnRadius, 0);
// Perform the sphere overlap
Collider[] colliders = Physics.OverlapSphere(center, spawnRadius, 1);
// Iteratre through each collider
foreach (Collider collider in colliders)
{
// The spawn is occupied
if (collider.isTrigger == false)
{
return(false);
}
}
}
break;
case OccupiedCheckMode.OverlapSphere2D:
{
// Get the spawn info
SpawnInfo info = getSpawnInfo();
// Find the center point
Vector3 center = info.SpawnLocation + new Vector3(0, spawnRadius, 0);
// Perform the overlap sphere
Collider2D[] colliders = Physics2D.OverlapCircleAll(center, spawnRadius, 1);
// Iterate though each collider
foreach (Collider2D collider in colliders)
{
// The spawn is occupied
if (collider.isTrigger == false)
{
return(false);
}
}
}
break;
case OccupiedCheckMode.TriggerEnterExit:
{
// Check if the collision list contains any items
if (collidingObjects.Count > 0 || collidingObjects2D.Count > 0)
{
// This spawn point is occupied
return(false);
}
}
break;
}
// The spawn point is not occupied and we can spawn at this location
return(true);
}