private List <GameTile> GetTilesWithinRangeOfWater()
{
//return a list of floor tiles that are within 3 tiles of a waters edge, this means these tiles are valid for spawning live grass
int validRangeFromWater = 3; //TODO: public facing
board.UnMarkAllTiles();
List <GameTile> waterTiles = new List <GameTile>();
List <GameTile> edgeWaterTiles = new List <GameTile>();
List <GameTile> validFloorTiles = new List <GameTile>();
for (int x = 0; x < board.GetCols(); x++)
{
for (int y = 0; y < board.GetRows(); y++)
{
if (board.GetGrid()[x][y].GetObject() != null && board.GetGrid()[x][y].GetObject().GetComponent <WaterTile>() != null)
{
waterTiles.Add(board.GetGrid()[x][y]);
}
}
}
foreach (GameTile tile in waterTiles)
{
List <GameTile> possibleFloorTiles = board.GetTileCardinalNeighbours(tile);
foreach (GameTile possibleFloortile in possibleFloorTiles)
{
if (possibleFloortile.OpenForPlacement())
{
edgeWaterTiles.Add(possibleFloortile);
}
}
}
foreach (GameTile tile in edgeWaterTiles)
{
List <GameTile> possibleValidFloorTiles = board.GetAllTilesInRange(tile, validRangeFromWater);
foreach (GameTile possibleValidFloorTile in possibleValidFloorTiles)
{
if (possibleValidFloorTile.OpenForPlacement())
{
validFloorTiles.Add(possibleValidFloorTile);
}
}
}
board.UnMarkAllTiles();
return(validFloorTiles);
}