/// <summary>
/// Updates when currently in placement mode.
/// </summary>
private void UpdatePlacing()
{
var pos = CoordinateConverter.GetCurrentMouseTilePosition(cam);
instance.transform.position = CoordinateConverter.ToVector3Int(pos);
// Update color of instance.
var color = buildingsData.InMap(CoordinateConverter.WorldToArray(pos, worldData.worldSize)) &&
buildingsData.IsPlaceable(placeable, pos) ? placeableColor : notPlaceableColor;
color = city.CanBuyByCost(placeable.GetCost()) ? color : cantBuyColor;
for (int i = 0; i < spriteRenderers.Length; i++)
{
spriteRenderers[i].color = color;
}
// Place building if possible.
if (Input.GetMouseButtonDown(0) && !EventSystem.current.IsPointerOverGameObject() &&
buildingsData.InMap(CoordinateConverter.WorldToArray(pos, worldData.worldSize)) &&
buildingsData.IsPlaceable(placeable, pos) && city.Buy(placeable.GetCost()))
{
GameObject gameObject = Instantiate(placeable.GetObject(), instance.transform.position, Quaternion.identity, parent);
if (!buildingsData.TrySet(gameObject.GetComponent <IPlaceable <Building> >(), pos))
{
throw new InvalidOperationException("This shouldn't be possible!");
}
}
}
/// <summary>
/// Checks If building can be placedm, also changes colour accordingly
/// </summary>
/// <param name="screenPosition"></param>
/// <returns> If building ca be placed</returns>
private bool CanPlaceTower(Vector3 screenPosition)
{
if (TestPosition(screenPosition))
{
if (city.CanBuyByCost(objectToPlace.GetCost()))
{
ChangeSilhouetteColour(Color.green);
return(true);
}
else
{
ChangeSilhouetteColour(Color.yellow);
return(false);
}
}
else
{
ChangeSilhouetteColour(Color.red);
return(false);
}
}
/// <summary>
/// Sell building and add part of its cost to city
/// </summary>
/// <param name="targetPosition"></param>
private void SellTurret(Vector3 targetPosition)
{
if (!(targetPosition == Vector3.zero))
{
for (int i = 0; i < playerBuildings.Count; i++)
{
if (playerBuildings[i].transform.position == targetPosition)
{
IPlaceable <Building> buildingToSell = playerBuildings[i].GetComponent <IPlaceable <Building> >();
city.AddResource(buildingToSell.GetCost(), refundOnSell);
buildingToSell.PrepareRemoval();
GameObject buildingToRemove = playerBuildings[i];
playerBuildings.Remove(buildingToRemove);
Destroy(buildingToRemove.gameObject);
break;
}
}
}
}