import map
import utils

class WaterTile(map.Tile):
    def __init__(self, pos, source=False, noupdate=False):
        self.source = source
        self.noupdate = noupdate
        if source:
            self.waterlevel = 10 # ten is maximum
        else:
            self.waterlevel = 0
        super(WaterTile, self).__init__(pos, "liquid", "water")
    def update(self, tiles):
        if self.noupdate:
            self.noupdate = False
            return
        if self.waterlevel == 0 or self.waterlevel == 1:
            # we can't spread water, so don't update
            return
        # get a list of all tiles around current tile
        surround = utils.BoardUtils.surround(self.getCoords())
        dist = False
        for i in surround:
            tile = utils.BoardUtils.tileAtPosition(tiles, i)
            if not tile:
                # there's no tile here, so create one
                t = WaterTile(i, noupdate=True)
                t.waterlevel = 1
                tiles.append(t)
                dist = True
            elif tile.name == "water":
                # we can populate into this tile
                tile.waterlevel += 1
                dist = True
        if dist and not self.source:
            self.waterlevel -= 1


    def render(self):
        return "s"