void ActivateTowerMenu()
{
//if placing a tower, a menu should not be activated
if (attachedTower != null)
{
return;
}
//if another menu is active, don't just make more
if (currentMenu != null)
{
return;
}
//if there is something in that cell
if (currentCell.occupant != null)
{
//and that something is a tower spot
currentSpot = currentCell.occupant.GetComponent <TowerSpot>();
if (currentSpot != null)
{
//and the tower spot contains a tower
currentTower = currentSpot.Occupant;
if (currentTower != null)
{
//instantiate tower menu object on canvas at tower point
//hook tower up to menu buttons
//pause game
currentMenu = Instantiate(TowerMenuPrefab, mainCanvas.transform);
currentMenu.GetComponent <RectTransform>().anchoredPosition = currentCell.transform.position;
currentMenu.Init(currentTower);
}
}
}
}
public void OnTowerSpotTap(TowerSpot spot)
{
if (spot.buildedTower == null)
{
OnEmptyTowerSpotTap();
}
else
{
OnTowerTap(spot.buildedTower);
}
}
public void OnTowerSpotSelected(TowerSpot towerSpot)
{
var tower = towerSpot.buildedTower;
if (tower == null)
{
return;
}
ShowTowerInfo(tower);
}
private void OnSpotSelected(TowerSpot spot)
{
selectedSpot = spot;
OnSpotTapped?.Invoke(selectedSpot);
}
/// <summary>
/// Generic function for handling responses to input events
/// </summary>
void HandleInput()
{
//pause game on space
if (Input.GetKeyDown(KeyCode.Space))
{
if (isPaused)
{
ResumeGame();
}
else
{
PauseGame();
}
}
//bring up pause menu on escape
if (Input.GetKeyUp(KeyCode.Escape))
{
if (attachedTower != null)
{
Destroy(attachedTower.gameObject);
}
else if (currentMenu != null && currentMenu.gameObject.activeSelf)
{
currentMenu.gameObject.SetActive(false);
}
else if (PauseMenu.activeSelf)
{
ResumeGame();
PauseMenu.SetActive(false);
}
else
{
ActivatePauseMenu();
}
}
//dont allow other inputs if pause menu is up
if (PauseMenu != null && PauseMenu.activeSelf)
{
return;
}
//Check for the current cell and force the currently attached tower to that cell
Ray inputRay = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(inputRay, out hit))
{
//Debug.Log( mainMap.GetCellAtPosition(hit.point).occupant);
currentCell = mainMap.GetCellAtPosition(hit.point);
if (currentCell != null)
{
//if a tower is attached to cursor, place it
if (attachedTower != null)
{
attachedTower.transform.position = currentCell.transform.position;
}
if (currentCell.occupant != null)
{
currentSpot = currentCell.occupant.GetComponent <TowerSpot>();
}
}
}
if (Input.GetMouseButtonDown(0) && !EventSystem.current.IsPointerOverGameObject() && currentMenu != null)
{
Destroy(currentMenu.gameObject);
currentMenu = null;
}
//Place the currently attached tower if the user clicks on the spot
if (Input.GetMouseButtonUp(0) && !EventSystem.current.IsPointerOverGameObject())
{
if (!PlaceTower())
{
ActivateTowerMenu();
}
}
//right click cancels tower placement
if (Input.GetMouseButton(1))
{
if (attachedTower != null)
{
Destroy(attachedTower.gameObject);
}
}
}
