private void SaveTilemap()
{
// Save the bounds of the tilemap
SaveSystem.SaveTilemapBounds(_gridBotLeft, _gridTopRight);
// Save each of the tiles
// Iterate over one column of the tilemap (going up)
for (int col = _gridBotLeft.y; col <= _gridTopRight.y; ++col)
{
// Iterate over one row of the tilemap (going right)
for (int row = _gridBotLeft.x; row <= _gridTopRight.x; ++row)
{
// Position of the tile (3D)
Vector3Int tilePos = new Vector3Int(row, col, 0);
// Key of the tile (-1 means no tile at that location)
int key = -1;
// Pull off the TileBase at the current position
TileBase tileBase = _tilemap.GetTile(tilePos);
// If its not null, use the hashtable to get the corresponding key
if (tileBase != null)
{
key = SaveTilemapController.GetKey(tileBase);
}
// Save the current tile's data
SaveSystem.SaveTile(tilePos, key);
}
}
}
// Called before Start
private void Awake()
{
// Create the hashtables that will be used for saving the tilemap
if (_allTileSets != null)
{
SaveTilemapController.BuildHashtables(_allTileSets);
}
}
/// <summary>
/// Creates a new grid and loads the saved tiles into its tilemap
/// </summary>
/// <param name="gridPrefab">Prefab of the grid which holds the tilemap as a child of it</param>
/// <returns>Tilemap. Reference to the loaded tilemap</returns>
public static Tilemap LoadTilemap(GameObject gridPrefab)
{
// Create the grid and get the tilemap
Tilemap tilemap = Object.Instantiate(gridPrefab).transform.GetChild(0).GetComponent <Tilemap>();
// Load the bounds for the tilemap
TilemapBoundsData tilemapBoundsData = SaveSystem.LoadTilemapBounds();
Vector2Int botLeft = tilemapBoundsData.GetBotLeftCorner();
Vector2Int topRight = tilemapBoundsData.GetTopRightCorner();
// Load each of the tiles
// Iterate over one column of the tilemap (going up)
for (int col = botLeft.y; col <= topRight.y; ++col)
{
// Iterate over one row of the tilemap (going right)
for (int row = botLeft.x; row <= topRight.x; ++row)
{
// Position of the tile (3D)
Vector3Int tilePos = new Vector3Int(row, col, 0);
// Load the data of the tile there
TileSaveData tileData = SaveSystem.LoadTile(tilePos);
// Get the key of the tile
int key = tileData.GetKey();
// If the key is valid, there is a saved tile there
if (key >= 0)
{
// Get the tile by the saved key
TileBase tile = SaveTilemapController.GetTile(key);
// Set the tile at the position to the correct one
tilemap.SetTile(tilePos, tile);
}
}
}
return(tilemap);
}
