public static void SpawnTowerInGame(this GameLevel level, TowerType type,
Vector2D gridPosition, float rotation = 0.0f)
{
var properties = ContentLoader.Load <TowerPropertiesXml>(Xml.TowerProperties.ToString());
if (IsCreepInTile(gridPosition) || Player.Current.Gold < properties.Get(type).Cost)
{
return;
}
var index = level.GetIndexForMapData(gridPosition);
if (level.MapData[index] != LevelTileType.Placeable)
{
return;
}
level.SetUnreacheableTile(gridPosition, type);
if (!level.IsPossibleAddTower(gridPosition))
{
return;
}
var towerPosInWorldSpace = level.GetWorldCoordinates(gridPosition);
var tower = new Tower(type, towerPosInWorldSpace, rotation);
tower.RenderModel();
level.EarnGold(-properties.Get(type).Cost);
}
private static void UpdateGridAndExistingCreeps(this GameLevel level, Vector2D gridPosition)
{
var index = level.GetIndexForMapData(gridPosition);
level.MapData[index] = LevelTileType.Placeable;
level.GetPathFinding().SetReachableAndUpdate(index);
foreach (var creep in EntitiesRunner.Current.GetEntitiesOfType <Creep>())
{
level.IsTherePossibleExitPath(creep);
}
level.UpdatePathsIfPossible();
}
private static bool IsPossibleAddTower(this GameLevel level, Vector2D gridPosition)
{
var index = level.GetIndexForMapData(gridPosition);
if (level.UpdateExistingCreeps(gridPosition + Vector2D.Half) &&
level.UpdatePathsIfPossible())
{
return(true);
}
level.MapData[index] = LevelTileType.Placeable;
level.GetPathFinding().SetReachableAndUpdate(index);
return(false);
}
public static void RemoveTowers(this GameLevel level)
{
foreach (var tower in EntitiesRunner.Current.GetEntitiesOfType <Tower>())
{
var towerMapPos = level.GetMapCoordinates(tower.Position.GetVector2D());
var index = level.GetIndexForMapData(towerMapPos);
if (index >= level.MapData.Length)
{
return;
}
level.MapData[index] = LevelTileType.Placeable;
level.GetPathFinding().SetReachableAndUpdate(index);
tower.Dispose();
}
}