public void GenerateMap()
{
const string mapHolderName = "Generated Map";
//check if map holder already exists & delete if it does
if (transform.Find(mapHolderName))
{
DestroyImmediate(transform.Find(mapHolderName).gameObject);
}
//create new mapholder
Transform mapHolder = new GameObject(mapHolderName).transform;
mapHolder.parent = transform;
const string unitHolderName = "Units";
//check if unit holder already exists & delete if it does
if (transform.Find(unitHolderName))
{
DestroyImmediate(transform.Find(unitHolderName).gameObject);
}
//create new unitholder
Transform unitHolder = new GameObject(unitHolderName).transform;
unitHolder.parent = transform;
grid.PopulateGrid();
//loop over each grid position
for (int x = 0; x < Grid.GridWidth; x++)
{
for (int y = 0; y < Grid.GridHeight; y++)
{
//instantiate new tile at position
Vector3 tilePosition = new Vector3(x + Grid.CellOffset, Grid.MapHeight, y + Grid.CellOffset);
Transform newTile = Instantiate(tilePrefab, tilePosition, Quaternion.identity) as Transform;
newTile.parent = mapHolder;
//add tile to tile array
tiles[x, y] = newTile;
//check if there is a unit to spawn at this location
if (grid.GetGridArray(new Coords(x, y)) != null)
{
//instantiate new unit
Transform newObject = Instantiate(grid.GetGridArray(new Coords(x, y)).transform, tilePosition, Quaternion.identity);
newObject.parent = unitHolder;
//add new object to grid (replacing the prefab that is currently there)
grid.SetGridArray(new Coords(x, y), newObject.gameObject);
//check new unit's tag and add it's unitcontroller to correct army list
if (newObject.CompareTag("Friendly Unit"))
{
unitManager.playerArmy.Add(newObject.GetComponent <UnitController>());
}
else if (newObject.CompareTag("Enemy Unit"))
{
unitManager.enemyArmy.Add(newObject.GetComponent <UnitController>());
}
}
}
}
}
/// <summary>
/// Update function when state is select and move
/// </summary>
private void SelectAndMoveUpdate()
{
//SELECT
//check if left click was pressed
if (Input.GetButtonDown("Select"))
{
//get collider clicked on
Collider clickedOnCollider = ClickOnCollider();
//check if player clicked on collider
if (clickedOnCollider != null)
{
//check if clicked on friendly unit AND unit has action
if (clickedOnCollider.gameObject.CompareTag("Friendly Unit"))
{
//get unitcontroller clicked on
UnitController unitController = clickedOnCollider.gameObject.GetComponent <UnitController>();
//check if unit has action or not. If it has no action, don't select anything
if (!unitController.GetHasAction())
{
return;
}
//select unit clicked on
SelectUnit(unitController);
}
//clicked on ground
else
{
//unset selected unit
DeselectUnit();
}
}
}
//MOVE
//check if right click was pressed and there is a selected unit
else if (Input.GetButtonDown("Alt Select") && _selectedUnit != null)
{
//get collider clicked on
Collider clickedOnCollider = ClickOnCollider();
//check if player clicked on collider
if (clickedOnCollider != null)
{
Coords oldCoords = _selectedUnit.GetUnitCoords(); //the current coords of selected unit
Coords toCoords = Grid.WorldSpaceToCoords(clickedOnCollider.transform.position); //the coordinates player clicked on (to move to)
//check if grid space clicked is selectedunit's own space. Skip movement in that case
if (grid.GetGridArray(toCoords) == _selectedUnit.gameObject)
{
_selectedUnit.UnhighlightTiles();
SetStateAttacking();
}
//check and move unit
else if (_selectedUnit.Move(toCoords))
{
//move was successful, update grid
grid.SetGridArray(toCoords, _selectedUnit.gameObject);
grid.SetGridArray(oldCoords, null);
//state becomes attacking(with selectedunit)
SetStateAttacking();
}
else
{
//move failed
DeselectUnit();
}
}
}
}