// instantiate a new soldier
public void InstantiateSoldier()
{
SoldierSlot availableSlot = getAvailableSlot();
// no place was found
if (availableSlot == null)
{
print(string.Format("Tower {0} - No free slots", playerNumber));
}
// instantiate a new soldier and target it towards the free soldier slot
else
{
setGateOpen(true);
GameObject newSoldier = Instantiate(soldierPrefab,
soldierInstantiatePosition.position,
Quaternion.LookRotation(-transform.forward, transform.up),
transform) as GameObject;
newSoldier.GetComponent <SortingGroup>().sortingOrder = countNumOfSoldiers;
SoldierHealth newSoldierComponent = newSoldier.GetComponent <SoldierHealth>();
newSoldierComponent.spawnPoint = soldierInstantiatePosition;
newSoldierComponent.soldierSlot = availableSlot;
//newSoldierComponent.speed = 10;
currentNumOfSoldiers++;
countNumOfSoldiers++;
//Invoke("closeGate", delayBeforeClosingTheGate);
}
}
// activated after a soldier came back to the tower's gate gate
public void OnSoldierIsBack(SoldierSlot soldierSlotToFree)
{
currentNumOfSoldiers--;
// free the soldierSlot
foreach (SoldierSlot slot in soldierSlots)
{
if (slot == soldierSlotToFree)
{
slot.isFree = true;
}
}
Invoke("InstantiateSoldier", delayBeforeInstantiating);
}
//public void openGate()
//{
// setGateOpen(true);
//}
//public void closeGate()
//{
// setGateOpen(false);
//}
// returns a free SoldierSlot or null if it's all taken
SoldierSlot getAvailableSlot()
{
// search for a free soldier slot
SoldierSlot availableSlot = null;
foreach (SoldierSlot slot in soldierSlots)
{
if (slot.isFree)
{
availableSlot = slot;
slot.isFree = false; // mark the spot as taken
break;
}
}
return(availableSlot);
}