naja/widgets/tile.py

   1 # These will probably need to go away when we have images
   2 import pygame
   3
   4 from naja.constants import (
   5     TILE_SIZE, BITS, LOCK_HEIGHT, SMALL_LOCK_HEIGHT, EXAMINE, PALETTE)
   6 from naja.resources import resources
   7 from naja.resources.mutators import EIGHT_BIT, blender
   8 from naja.widgets.base import Widget
   9
  10
  11 BIT_MAP = {
  12     frozenset([BITS.RED]): 'board/tile_red.png',
  13     frozenset([BITS.GREEN]): 'board/tile_green.png',
  14     frozenset([BITS.BLUE]): 'board/tile_blue.png',
  15     frozenset([BITS.RED, BITS.GREEN]): 'board/tile_red_green.png',
  16     frozenset([BITS.RED, BITS.BLUE]): 'board/tile_red_blue.png',
  17     frozenset([BITS.GREEN, BITS.BLUE]): 'board/tile_green_blue.png',
  18     frozenset([BITS.RED, BITS.GREEN, BITS.BLUE]):
  19         'board/tile_red_green_blue.png',
  20 }
  21
  22
  23 class TileWidget(Widget):
  24     """Widget which holds a tile on the game board."""
  25     def __init__(self, pos, state=None, board_pos=None):
  26         super(TileWidget, self).__init__(pos, TILE_SIZE)
  27         self.state = state
  28         self.current_card = None
  29         self.board_pos = board_pos
  30         self.highlighted = False
  31         self.bright = False
  32         self.animation = TILE_SIZE[0]
  33
  34     def prepare(self):
  35         # Draw background
  36         x, y = abs(self.board_pos[0] - 2), abs(self.board_pos[1] - 2)
  37
  38         if self.state.gameboard.puzzle:
  39             tile_1_name = 'board/tile_1.png'
  40             tile_2_name = 'board/tile_2_puzzle.png'
  41             tile_available_name = 'board/tile_available_puzzle.png'
  42         else:
  43             tile_1_name = 'board/tile_1.png'
  44             tile_2_name = 'board/tile_2.png'
  45             tile_available_name = 'board/tile_available.png'
  46
  47         if (x + y) % 2 == 0:
  48             bg_name = tile_2_name
  49         else:
  50             bg_name = tile_1_name
  51         bg = resources.get_image(bg_name, transforms=(EIGHT_BIT,))
  52         overlays = []
  53
  54         legal_move = (self.board_pos in self.state.player.legal_moves())
  55
  56         if self.state.gameboard.player_mode == EXAMINE and legal_move:
  57             overlays.append(resources.get_image(
  58                 tile_available_name, transforms=(EIGHT_BIT,)))
  59         if self.highlighted:
  60             if self.bright:
  61                 select_name = 'board/tile_selected_pulse.png'
  62             else:
  63                 select_name = 'board/tile_selected.png'
  64             overlays.append(resources.get_image(
  65                 select_name, transforms=(EIGHT_BIT,)))
  66         self.surface = pygame.surface.Surface(TILE_SIZE)
  67         self.surface.blit(bg, (0, 0))
  68         for overlay in overlays:
  69             self.surface.blit(overlay, (0, 0))
  70         # Look up the required bits on the board location
  71         card = self.state.board_locations[self.board_pos]
  72         if card is not self.current_card:
  73             self.animation = TILE_SIZE[0]
  74             self.current_card = card
  75
  76         y_offset = TILE_SIZE[1] - LOCK_HEIGHT * len(card.actions)
  77         for action in card.actions:
  78             y_offset = self._prepare_action(action, y_offset)
  79
  80         self._prepare_countdown(card)
  81
  82     def _prepare_countdown(self, card):
  83         if card.replacement_time is None:
  84             return
  85         elif card.replacement_time <= 1:
  86             glyph = 'glyphs/countdown_1.png'
  87         elif card.replacement_time == 2:
  88             glyph = 'glyphs/countdown_2.png'
  89         elif card.replacement_time == 3:
  90             glyph = 'glyphs/countdown_3.png'
  91         elif card.replacement_time < 8:
  92             glyph = 'glyphs/countdown_4.png'
  93         else:
  94             glyph = 'glyphs/countdown_5.png'
  95         img = resources.get_image(
  96             glyph, transforms=(EIGHT_BIT, blender(PALETTE.DARK_VIOLET)))
  97         self.surface.blit(img, (TILE_SIZE[0] - 20, 0))
  98
  99     def _prepare_lock(self, action, y_offset):
 100         required_keys = action.required_bits & frozenset([
 101             BITS.RED, BITS.GREEN, BITS.BLUE])
 102         if required_keys not in BIT_MAP:
 103             return 4
 104
 105         img_name = BIT_MAP[required_keys]
 106
 107         if self.board_pos != self.state.player.position:
 108             x_offset = 0
 109         else:
 110             img_name = img_name.replace('.png', '_small.png')
 111             x_offset = 2
 112             if y_offset == LOCK_HEIGHT:
 113                 y_offset = 0  # middle -> top
 114             elif y_offset == 2 * LOCK_HEIGHT:
 115                 # bottom -> further down
 116                 y_offset += LOCK_HEIGHT - SMALL_LOCK_HEIGHT - 2
 117
 118         img = resources.get_image(img_name, transforms=(EIGHT_BIT,))
 119         img_rect = img.get_rect()
 120         self.surface.blit(img, (x_offset, y_offset))
 121
 122         if BITS.MSB in action.required_bits:
 123             msb = resources.get_image('board/msb_lock_decoration.png',
 124                                       transforms=(EIGHT_BIT,))
 125             msb_rect = msb.get_rect()
 126             self.surface.blit(
 127                 msb, (x_offset + img_rect.width - msb_rect.width, y_offset)
 128             )
 129
 130         return x_offset + img_rect.width + 2
 131
 132     def _prepare_action(self, action, y_offset):
 133         x_offset = self._prepare_lock(action, y_offset)
 134         if self.board_pos != self.state.player.position:
 135             for glyph in action.get_glyphs():
 136                 img = resources.get_image(glyph, transforms=(EIGHT_BIT,))
 137                 self.surface.blit(img, (x_offset, y_offset + 4))
 138                 x_offset += img.get_width()
 139             if action.get_msb_glyph() is not None:
 140                 img = resources.get_image(
 141                     action.get_msb_glyph(),
 142                     transforms=(EIGHT_BIT, blender(PALETTE.LIGHT_VIOLET)))
 143                 self.surface.blit(img, (x_offset, y_offset + 4))
 144                 x_offset += img.get_width()
 145         return y_offset + LOCK_HEIGHT
 146
 147     def set_highlight(self, pos, bright=False):
 148         self.highlighted = False
 149         self.bright = bright
 150         if (self.state.gameboard.player_mode == EXAMINE and
 151                 self.board_pos == pos):
 152             self.highlighted = True
 153
 154     def draw(self, surface):
 155         scaled_width = self.surface.get_width() - self.animation
 156         scaled_height = self.surface.get_height() - self.animation
 157         scaled_position = (self.pos[0] + (self.animation / 2),
 158                            self.pos[1] + (self.animation / 2))
 159         if self.animation > 0:
 160             self.animation = max(0, self.animation - 4)
 161         scaled_surface = pygame.transform.scale(
 162             self.surface, (scaled_width, scaled_height))
 163         surface.blit(scaled_surface, scaled_position)