//called when a tower building is initated in DragNDrop, use the sample tower as the model and set it in DragNDrop mode
public string StartDragNDrop(int ID, int pointerID = -1)
{
UnitTower sampleTower = GetSampleTower(ID);
if (sampleTower.type == _TowerType.Resource && !GameControl.IsGameStarted())
{
return("Cant Build Tower before spawn start");
}
IndicatorControl.SetDragNDropPhase(true);
List <int> cost = sampleTower.GetCost();
int suffCost = ResourceManager.HasSufficientResource(cost);
if (suffCost == -1)
{
sampleTower.thisT.position = new Vector3(9999, 9999, 9999);
sampleTower.thisObj.SetActive(true);
UnitTower towerInstance = sampleTower;
towerInstance.StartCoroutine(towerInstance.DragNDropRoutine(pointerID));
return("");
}
return("Insufficient Resource " + suffCost);
}
public IEnumerator DragNDropRoutine(int pointerID = -1)
{
GameControl.SelectTower(this);
yield return(null);
Vector3 cursorPos = Vector3.zero;
TDTK.OnDragNDrop(true);
inDragNDropRoutine = true;
while (inDragNDropRoutine)
{
if (Input.GetKeyDown(KeyCode.Escape))
{
break;
}
bool invalidCursor = false;
if (pointerID < 0)
{
cursorPos = Input.mousePosition;
}
else
{
cursorPos = TDTK.GetTouchPosition(pointerID);
}
if (cursorPos.magnitude < 0)
{
invalidCursor = true;
}
BuildInfo buildInfo = null;
if (!invalidCursor)
{
buildInfo = BuildManager.CheckBuildPoint(cursorPos, prefabID);
if (buildInfo.status == _TileStatus.NoPlatform)
{
Ray ray = Camera.main.ScreenPointToRay(cursorPos);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity))
{
thisT.position = hit.point;
}
else
{
thisT.position = ray.GetPoint(30); //this there is no collier, randomly place it 30unit from camera
}
}
else
{
thisT.position = buildInfo.position;
thisT.rotation = buildInfo.platform.thisT.rotation;
}
IndicatorControl.SetBuildTileIndicator(buildInfo);
}
bool cursorOnUI = UI.IsCursorOnUI(pointerID);
if (pointerID < 0)
{
if (Input.GetMouseButtonDown(0))
{
if (cursorOnUI)
{
break;
}
string exception = BuildManager._BuildTower(srcTower, buildInfo);
if (exception != "")
{
TDTK.OnGameMessage(exception);
}
break;
}
if (Input.GetMouseButtonDown(1))
{
break;
}
}
else
{
if (TDTK.IsTouchEnding(pointerID))
{
if (cursorOnUI)
{
break;
}
string exception = BuildManager._BuildTower(srcTower, buildInfo);
if (exception != "")
{
TDTK.OnGameMessage(exception);
}
break;
}
}
yield return(null);
}
inDragNDropRoutine = false;
TDTK.OnDragNDrop(false);
IndicatorControl.SetDragNDropPhase(false);
thisObj.SetActive(false);
}