/* Change the grid to a new type:
* If the grid already has existing FormationGridPoints then
* Collect the assigned units
* Destroy the spheres in the FormationGridPoints to cleanup memory
* Clear the grid points list
* Setup the new grid points list
* Setup the new grid
* Assign the previously assigned units to the FormationGridPoints
* Calculate the new positions
*/
public void ChangeGridTo(GridTypes gridtype)
{
gridType = gridtype;
// Create the list for collecting the already assigned units
List <GameObject> units = new List <GameObject>();
Debug.Log("FormationGrid.ChangeGridTo(): change state to " + gridType);
if (gridPoints != null)
{
if (gridPoints.Count > 0)
{
// collect units assigned to gridpoint so we can reassign automatically after grid change
Debug.Log("FormationGrid.ChangeGridTo(): grid exists so check if it has assigned units");
for (int i = 0; i < gridPoints.Count; i++)
{
FormationGridPoint fgp = gridPoints[i];
GameObject go = fgp.GetAssignedUnit();
if (go)
{
units.Add(go);
Debug.Log("FormationGrid.ChangeGridTo(): found one unit " + go.name);
}
}
// destroy list items first: cleanup the spheres
for (int i = 0; i < gridPoints.Count; i++)
{
FormationGridPoint fgp = gridPoints[i];
fgp.DestroySphere();
}
}
gridPoints.Clear();
}
// Create a new list to completely start a new grid from scratch.
gridPoints = new List <FormationGridPoint>();
if (gridPoints == null)
{
Debug.LogError("FormationGrid.ChangeGridTo(): gridPoints not initialized");
return;
}
// Setup the new grid for the new gridtype
bool result = SetupGrid(gridtype);
// Now add the units we has assigned to the previous grid
if (units.Count > 0)
{
AssignObjectsToGrid(units);
}
// Calculate the real positions of the grid based on the offsets in the grid definition
CalculatePositionsAllGridPoints();
Debug.Log("FormationGrid.ChangeGridTo(): result SetupGrid()=" + result);
}