private Directions DirectionFromTarget(SlotIndicator targetSlot)
{
if (currentPeg != null)
{
int currentIndex = currentPeg.currentIndex;
int currentRow = currentPeg.row;
if (currentIndex > targetSlot.slotIndex)
{
if (currentIndex - ((2 * currentRow) - 3) == targetSlot.slotIndex)
{
return(Directions.UP_RIGHT);
}
if (currentIndex - ((2 * currentRow) - 1) == targetSlot.slotIndex)
{
return(Directions.UP_LEFT);
}
if (currentIndex - targetSlot.slotIndex == 2)
{
return(Directions.LEFT);
}
}
else
{
if (currentIndex + ((2 * currentRow) + 3) == targetSlot.slotIndex)
{
return(Directions.DOWN_RIGHT);
}
if (currentIndex + ((2 * currentRow) + 1) == targetSlot.slotIndex)
{
return(Directions.DOWN_LEFT);
}
if (currentIndex + 2 == targetSlot.slotIndex)
{
return(Directions.RIGHT);
}
}
Debug.Log("Cannot move to given position.");
return(Directions.NONE);
}
else
{
Debug.Log("Peg is never assigned");
return(Directions.NONE);
}
}
void Update()
{
if (GameStateManager._gameState != GameStateManager.GameState.RUNNING)
{
return;
}
if (Input.GetMouseButtonDown(0))
{
Ray ray = mainCam.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
Physics.Raycast(ray, out hit);
if (hit.transform != null && hit.transform.tag == "Peg")
{
if (currentPeg != null)
{
currentPeg.Deselect();
}
currentPeg = hit.transform.GetComponent <Peg>();
currentPeg.Select();
}
else
{
if (hit.transform != null && hit.transform.tag == "Slot")
{
SlotIndicator tempIndicator = hit.transform.GetComponent <SlotIndicator>();
Slot s = boardSlots[tempIndicator.slotIndex];
if (!s.isFilled)
{
MovePeg(tempIndicator.slotIndex, DirectionFromTarget(tempIndicator));
if (!MovesExist())
{
int remainingPegs = 0;
for (int i = 0; i < pegLayout.Length; ++i)
{
if (pegLayout[i] != null)
{
remainingPegs++;
}
}
if (remainingPegs == 1)
{
GameStateManager._gameState = GameStateManager.GameState.WIN;
}
else
{
GameStateManager._gameState = GameStateManager.GameState.LOSE;
}
Debug.Log("Remaining pegs " + remainingPegs);
}
}
}
if (currentPeg != null)
{
currentPeg.Deselect();
}
currentPeg = null;
}
}
}
