/* Spawns a new random customer every "timeForNextCustomer" seconds
* as long maxCustomers is not reached.
*/
private IEnumerator SpawnCustomer()
{
int index;
while (true)
{
yield return(new WaitForSeconds(timeToNextCustomer));
if (countCustomers < maxCustomers)
{
//don't use the same customer twice in a row
do
{
index = Random.Range(0, customers.Length);
} while (index == lastCustomerIndex);
lastCustomerIndex = index;
countCustomers += 1;
//get random products
Product[] products = randomProducts.GetRandomProducts();
//calculate time till customer leaves
float time = TimeTillLeave(products);
//get free target point
TargetPoint point = null;
int freePointIndex = -1;
for (int i = 0; i < targetPoints.Length; i++)
{
point = targetPoints[i].GetComponent <TargetPoint>();
if (!point.GetIsUsed())
{
point.SetIsUsed(true);
freePointIndex = i;
break; //if free point was found
}
}
//spawning...
if (freePointIndex >= 0)
{
GameObject cust = Instantiate(customers[index], spawnPoint.position, transform.rotation, customerParent);
Vector3 targetPos = targetPoints[freePointIndex].transform.position;
cust.GetComponent <Customer>().Setup(targetPos, endPoint.position, products, freePointIndex, time, this, customerUI);
point.SetCustomer(cust.GetComponent <Customer>());
freePointIndex = -1;
}
}
else
{
StopCoroutine("SpawnCustomer");
}
}
}