public bool DrawGrid()//this method draws the grid using the Vector3 method to iterate across the x and z axis. GO are added to an array list for later reference
{
for (float x = 0; x < gridSize; x += gridSpacing)
{
for (float z = 0; z < gridSize; z += gridSpacing)
{
Vector3 point = GetNearestPointOnGrid(new Vector3(x, 0f, z));
GameObject go = Instantiate(gridSquare, new Vector3(point.x, 0, point.z), Quaternion.identity);
go.transform.SetParent(gridParent.transform, true);
GridCellManager gsm = new GridCellManager();
gsm.location = new Vector3(point.x - (gridSize / 2) + planeOffset, 0, point.z - (gridSize / 2) + planeOffset);
gsm.tile = go;
gsm.tileInUse = false;
int gsmTemp;
int.TryParse(x.ToString() + z.ToString(), out gsmTemp);//int.Parse(x.ToString() + z.ToString());
gsm.ID = gsmTemp;
go.name = "Tile " + x + ", z" + z;
gridcellArray.Add(gsm);
}
}
gridParent.transform.position = new Vector3(-(gridSize / 2) + planeOffset, 0, -(gridSize / 2) + planeOffset);
#region list locations of tiles
//foreach (GridCellManager gsm in gridcellArray)
//{
// Debug.Log(gsm.location + ": location " + gsm.tile.name + "tile");
//}
#endregion
gridGenerated = true;
return(true);
}
public void DragOff(Vector3 position)
{
for (int i = 0; i < availableCells.Count; i++)
{
GridCellManager gsm = availableCells[i];
if (gsm.location == currentLocation)
{
Debug.Log("Set Unavailable");
StartCoroutine(SetUnavailable(gsm));
}
}
}
public void BeginDrag(GameObject buildingSelected)
{
Vector3 selectedLocation = buildingSelected.transform.position;
for (int i = 0; i < unavailableCells.Count; i++)
{
if (unavailableCells[i].location == selectedLocation)
{
GridCellManager gsm = unavailableCells[i];
Debug.Log("building found");
StartCoroutine(SetAvailable(gsm));
}
}
}
private void Start()
{
availableCells = new List <GridCellManager>();
unavailableCells = new List <GridCellManager>();
totalCells = new List <GridCellManager>();
if (m_GridGenerator.gridGenerated)
{
for (int i = 0; i < m_GridGenerator.gridcellArray.Count; i++)
{
GridCellManager gsm = m_GridGenerator.gridcellArray[i];
availableCells.Add(gsm);
totalCells.Add(gsm);
}
}
}
Vector3 ClosestTile(Vector3 currentpos) // returns the nearest available tile.
{
Vector3 closest = currentpos;
float closestDistSqr = Mathf.Infinity;
for (int i = 0; i < availableCells.Count; i++)
{
GridCellManager gsm = availableCells[i];
Vector3 directionToTarget = gsm.location - currentpos;
float distSqrToTarget = directionToTarget.sqrMagnitude;
if (distSqrToTarget < closestDistSqr)
{
closestDistSqr = distSqrToTarget;
closest = gsm.location;
currentCell = gsm;
}
}
return(closest);
}
public IEnumerator PutOnMap(GameObject buildingSelected)// this puts the building on the map. Setting the cell as unavailable so that multiple objects cannot be held in one place.
{
buildingSelected.transform.position = ClosestTile(new Vector3(0, 0, 0));
for (int i = 0; i < availableCells.Count; i++)
{
if (buildingSelected.transform.position == availableCells[i].location)
{
GridCellManager gsm = availableCells[i];
currentCell = gsm;
currentCell.building = buildingSelected;
buildingSelected.transform.position = currentCell.location;
StartCoroutine(SetUnavailable(gsm));
availableCells.Remove(gsm);
unavailableCells.Add(gsm);
}
}
Instantiate(buildingSelected, currentCell.tile.transform.position, Quaternion.identity);
currentCell.tileInUse = true;
buildingSelected.GetComponent <BuildingDataclass>().onMap = true;
yield return(null);
}
public IEnumerator SetUnavailable(GridCellManager gsm)
{
availableCells.Remove(gsm);
unavailableCells.Add(gsm);
yield return(null);
}