/// <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();
}
}
}
}
/// <summary>
/// Get the coordinates of this unit on a grid
/// </summary>
/// <returns>the coordinates of this unit</returns>
public Coords GetUnitCoords()
{
return(Grid.WorldSpaceToCoords(transform.position));
}