public static TargetingInfo OnCursorDown(Vector3 pointer, int idx = -1)
{
if (idx < 0)
{
if (pendingTgtAbilityIdx >= 0)
{
idx = pendingTgtAbilityIdx;
}
else
{
return(new TargetingInfo());
}
}
Ray ray = CameraControl.GetMainCam().ScreenPointToRay(pointer);
RaycastHit hit; LayerMask mask = 1 << TDTK.GetLayerTerrain();
if (GetAbility(idx).requireUnitAsTarget)
{
if (GetAbility(idx).MustTargetHostile())
{
mask |= 1 << TDTK.GetLayerCreep();
}
else if (GetAbility(idx).MustTargetFriendly())
{
mask |= 1 << TDTK.GetLayerTower();
}
else
{
mask |= 1 << TDTK.GetLayerTower() | 1 << TDTK.GetLayerCreep();
}
}
if (Physics.Raycast(ray, out hit, Mathf.Infinity, mask))
{
if (hit.collider.gameObject.layer == TDTK.GetLayerTerrain())
{
return(new TargetingInfo(hit.point, !GetAbility(idx).requireUnitAsTarget));
}
else
{
return(new TargetingInfo(hit.collider.gameObject.GetComponent <Unit>()));
}
}
return(new TargetingInfo());
}
public static SelectInfo GetSelectInfo(Vector3 pointer, int ID = -1, float towerSize = 1)
{
InitMask();
Ray ray = CameraControl.GetMainCam().ScreenPointToRay(pointer);
RaycastHit hit;
//for free from drag and drop mode
if (UseFreeFormMode() && instance.dndTower != null)
{
if (Physics.Raycast(ray, out hit, Mathf.Infinity, maskTerrain))
{
Collider[] obstacles = Physics.OverlapSphere(hit.point, towerSize, ~maskTerrain);
if (obstacles.Length == 1 && obstacles[0].gameObject == instance.dndTower.gameObject)
{
obstacles = new Collider[0];
}
if (obstacles.Length == 0)
{
return(new SelectInfo(hit.point));
}
else
{
return(new SelectInfo("Invalid build-point!", hit.point));
}
}
return(new SelectInfo("No valid build-point has been found"));
}
//try to detect a platform and determine the node on it
bool flag = Physics.Raycast(ray, out hit, Mathf.Infinity, RaycastForTerrain() ? mask : maskPlatform);
if (flag)
{
if (hit.collider.gameObject.layer == TDTK.GetLayerPlatform())
{
BuildPlatform platform = hit.collider.gameObject.GetComponent <BuildPlatform>();
if (platform != null)
{
Vector3 pos = platform.GetTilePos(hit.point, GetGridSize());
NodeTD node = platform.GetNearestNode(pos);
if (ID > 0)
{
if (lastSelectID == ID && sInfo.nodeID == node.ID)
{
return(sInfo);
}
else
{
lastSelectID = ID;
}
}
return(new SelectInfo(platform, node.ID));
}
}
else if (RaycastForTerrain())
{
return(new SelectInfo("No platform has been found", hit.point));
}
}
return(new SelectInfo("No platform has been found"));
}