naja/widgets/robot.py

   1 """Widget to draw the player on the screen"""
   2
   3 from naja.constants import (PLAYER_SIZE, BIT_SIZE, TILE_SIZE, BITS)
   4 from naja.resources import resources
   5 from naja.resources.mutators import EIGHT_BIT
   6 from naja.widgets.base import Widget
   7
   8 IMG_MAP = {
   9     BITS.MSB: 'board/robot_msb.png',
  10     BITS.RED: 'board/robot_red.png',
  11     BITS.GREEN: 'board/robot_green.png',
  12     BITS.BLUE: 'board/robot_blue.png',
  13 }
  14
  15
  16 class RobotWidget(Widget):
  17     """Widget which holds a tile on the game board."""
  18     def __init__(self, state):
  19         pos = (state.player.position[0] * TILE_SIZE[0],
  20                state.player.position[1] * TILE_SIZE[1] + BIT_SIZE[1])
  21         super(RobotWidget, self).__init__(pos, PLAYER_SIZE)
  22         self.state = state
  23
  24     def prepare(self):
  25         # Look up the required bits on the board location
  26         self.pos = (self.state.player.position[0] * TILE_SIZE[0],
  27                     self.state.player.position[1] * TILE_SIZE[1] + BIT_SIZE[1])
  28         self.surface = resources.get_image('board/robot.png',
  29                                            transforms=(EIGHT_BIT,)).copy()
  30         for bit, img_name in IMG_MAP.iteritems():
  31             if self.state.player.bits.check_bit(bit):
  32                 bit_img = resources.get_image(img_name,
  33                                               transforms=(EIGHT_BIT,))
  34                 self.surface.blit(bit_img, (0, 0))
  35
  36     def draw(self, surface):
  37         surface.blit(self.surface, self.rect)