//called in every frame, execute if there's an ability is selected and pending target selection
//use only mouse input atm.
void SelectAbilityTarget()
{
if (selectedAbilityID < 0)
{
return;
}
//only cast on terrain and platform
LayerMask mask = 1 << LayerManager.LayerPlatform();
int terrainLayer = LayerManager.LayerTerrain();
if (terrainLayer >= 0)
{
mask |= 1 << terrainLayer;
}
Ability ability = abilityList[selectedAbilityID];
if (ability.singleUnitTargeting)
{
if (ability.targetType == Ability._TargetType.Hybrid)
{
mask |= 1 << LayerManager.LayerTower();
mask |= 1 << LayerManager.LayerCreep();
}
else if (ability.targetType == Ability._TargetType.Friendly)
{
mask |= 1 << LayerManager.LayerTower();
}
else if (ability.targetType == Ability._TargetType.Hostile)
{
mask |= 1 << LayerManager.LayerCreep();
}
}
#if UNITY_IPHONE || UNITY_ANDROID || UNITY_WP8
Unit targetUnit = null;
if (Input.touchCount >= 1)
{
Camera mainCam = Camera.main;
if (mainCam != null)
{
Ray ray = mainCam.ScreenPointToRay(Input.touches[0].position);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
currentIndicator.position = hit.point + new Vector3(0, 0.1f, 0);
validTarget = true;
if (ability.singleUnitTargeting)
{
targetUnit = hit.transform.GetComponent <Unit>();
if (targetUnit != null)
{
currentIndicator.position = targetUnit.thisT.position;
}
else
{
validTarget = false;
}
}
}
else
{
validTarget = false;
}
}
}
else
{
if (validTarget)
{
ActivateAbility(ability, currentIndicator.position, targetUnit);
}
else
{
GameControl.DisplayMessage("Invalid target for ability");
}
ClearSelectedAbility();
}
#else
Camera mainCam = Camera.main;
if (mainCam != null)
{
Ray ray = mainCam.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
currentIndicator.position = hit.point + new Vector3(0, 0.1f, 0);
Unit targetUnit = null;
validTarget = true;
if (ability.singleUnitTargeting)
{
targetUnit = hit.transform.GetComponent <Unit>();
if (targetUnit != null)
{
currentIndicator.position = targetUnit.thisT.position;
}
else
{
validTarget = false;
}
}
if (Input.GetMouseButtonDown(0))
{
if (validTarget)
{
ActivateAbility(ability, currentIndicator.position, targetUnit);
ClearSelectedAbility();
}
else
{
GameControl.DisplayMessage("Invalid target for ability");
}
}
}
}
if (Input.GetMouseButtonDown(1))
{
ClearSelectedAbility();
}
#endif
}
public IEnumerator DragNDropRoutine()
{
GameControl.SelectTower(this);
yield return(null);
#if UNITY_IPHONE || UNITY_ANDROID || UNITY_WP8 || UNITY_BLACKBERRY
_TileStatus status = _TileStatus.NoPlatform;
while (Input.touchCount >= 1)
{
Vector3 pos = Input.touches[0].position;
status = BuildManager.CheckBuildPoint(pos, -1, prefabID);
if (status == _TileStatus.Available)
{
BuildInfo buildInfo = BuildManager.GetBuildInfo();
thisT.position = buildInfo.position;
thisT.rotation = buildInfo.platform.thisT.rotation;
}
else
{
Ray ray = Camera.main.ScreenPointToRay(pos);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity))
{
thisT.position = hit.point;
}
//this there is no collier, randomly place it 30unit from camera
else
{
thisT.position = ray.GetPoint(30);
}
}
if (Input.touches[0].phase == TouchPhase.Ended)
{
string exception = BuildManager.BuildTower(srcTower);
if (exception != "")
{
GameControl.DisplayMessage(exception);
}
else
{
BuildManager.ClearBuildPoint();
}
break;
}
yield return(null);
}
//if(status==_TileStatus.Available){
// string exception=BuildManager.BuildTower(srcTower);
// if(exception!="") GameControl.DisplayMessage(exception);
//}
//else{
// GameControl.DisplayMessage("cancelled");
// BuildManager.ClearBuildPoint();
//}
GameControl.ClearSelectedTower();
thisObj.SetActive(false);
#else
while (true)
{
Vector3 pos = Input.mousePosition;
_TileStatus status = BuildManager.CheckBuildPoint(pos, -1, prefabID);
if (status == _TileStatus.Available)
{
BuildInfo buildInfo = BuildManager.GetBuildInfo();
thisT.position = buildInfo.position;
thisT.rotation = buildInfo.platform.thisT.rotation;
}
else
{
Ray ray = Camera.main.ScreenPointToRay(pos);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity))
{
thisT.position = hit.point;
}
//this there is no collier, randomly place it 30unit from camera
else
{
thisT.position = ray.GetPoint(30);
}
}
//left-click, build
if (Input.GetMouseButtonDown(0) && !UIUtilities.IsCursorOnUI())
{
//if current mouse point position is valid, build the tower
if (status == _TileStatus.Available)
{
string exception = BuildManager.BuildTower(srcTower);
if (exception != "")
{
GameControl.DisplayMessage(exception);
}
}
else
{
BuildManager.ClearBuildPoint();
}
GameControl.ClearSelectedTower();
thisObj.SetActive(false);
break;
}
//right-click, cancel
if (Input.GetMouseButtonDown(1) || GameControl.GetGameState() == _GameState.Over)
{
GameControl.ClearSelectedTower();
BuildManager.ClearBuildPoint();
thisObj.SetActive(false);
break;
}
yield return(null);
}
#endif
thisT.position = new Vector3(0, 9999, 0);
}
