/// <summary>
/// loads new tiles upon zoom
/// </summary>
internal IEnumerator LoadNewTiles()
{
var centerTile = CustomMap.Instance.CenterTileId;
yield return(null);
Vector4 rangeToLoad = _preLoadedRange;
rangeToLoad /= 2; // just load half of it
for (int x = (int)(centerTile.X - rangeToLoad.x); x <= (centerTile.X + rangeToLoad.z); x++)
{
for (int y = (int)(centerTile.Y - rangeToLoad.y); y <= (centerTile.Y + rangeToLoad.w); y++)
{
AddTile(new UnwrappedTileId(_map.Zoom, x, y));
yield return(null); // stop here and resume at next frame
}
}
if (AtStart)
{
GameObject.Find("Toolbar").SetActive(false);
// this is just a hack. Toolbar element cannot be disabled in Editor before Play
// since it has many singleton classes attached that needs to be initialized
// so we allow it to be active but immediately set active to false at start
InteractibleMap.Instance.PlacementStart(); // allows the user to place the map
}
else
{
OnAllTilesAdded.Invoke();
}
}
public void LoadBuildingsAfterMapPlaced() // this is only at the start
{
if (AtStart)
{
OnAllTilesAdded.Invoke();
AtStart = false;
}
}
/// <summary>
/// attempts to load all the tiles that should be visible. If a tile already exists
/// then it is skipped
/// </summary>
/// <returns></returns>
private IEnumerator addVisibleTiles()
{
var centerTileId = CustomMap.Instance.CenterTileId;
for (int i = centerTileId.X - visibleRange; i <= centerTileId.X + visibleRange; i++)
{
for (int j = centerTileId.Y - visibleRange; j <= centerTileId.Y + visibleRange; j++)
{
UnwrappedTileId tileToAdd = new UnwrappedTileId(CustomMap.Instance.Zoom, i, j);
if (InstantiatedTiles.ContainsKey(tileToAdd))
{
continue;
}
AddTile(tileToAdd);
yield return(null);
}
}
OnAllTilesAdded.Invoke();
}