erdslangetjie/__main__.py

   1 import sys
   2 import os
   3 import kivy
   4 import pygame
   5
   6 kivy.require('1.6.0')
   7
   8 from kivy.app import App
   9 from kivy.core.window import Window
  10 from kivy.uix.widget import Widget
  11 from kivy.uix.floatlayout import FloatLayout
  12 from kivy.graphics import Color, Rectangle
  13
  14 from erdslangetjie.data import filepath, load
  15 from erdslangetjie.level import Level
  16 from erdslangetjie.player import ThePlayer, Nemesis
  17
  18 TILE_SIZE = 24
  19
  20
  21 class GameWindow(FloatLayout):
  22
  23     def __init__(self, level):
  24         super(GameWindow, self).__init__(size=(648, 480))
  25         if os.path.exists(filepath(level)):
  26             level_data = load(level)
  27             self.level = level
  28         elif os.path.exists(filepath('levels/' + level)):
  29             level_data = load('levels/' + level)
  30             self.level = 'levels/' + level
  31         else:
  32             print 'Unable to find %s - treating this as a new level' % level
  33             sys.exit(1)
  34         self.level_obj = Level()
  35         self.level_obj.load(level_data)
  36         level_data.close()
  37         self.tiles = {}
  38
  39         self.player = ThePlayer()
  40         self.level_obj.load_tiles()
  41         if not self.level_obj.enter_pos:
  42             raise RuntimeError('No entry point')
  43         self.player_tile = None
  44
  45         self.player.pos = self.level_obj.enter_pos
  46         self.keyboard = Window.request_keyboard(self._closed, self)
  47         self.keyboard.bind(on_key_down=self._on_key_down)
  48
  49     def build(self):
  50         self.clear_widgets()
  51         self.tiles = {}
  52         tiles = self.level_obj.get_tiles()
  53         bx, by = 0, 0
  54         for tile_line in tiles:
  55             bx = 0
  56             for tile in tile_line:
  57                 node = Widget(size=(TILE_SIZE, TILE_SIZE), pos=(bx, by))
  58                 with node.canvas:
  59                     Color(1, 1, 1)
  60                     Rectangle(pos=node.pos, size=node.size,
  61                             texture=tile.texture)
  62                 self.add_widget(node)
  63                 self.tiles[(bx, by)] = node
  64                 bx += TILE_SIZE
  65             by += TILE_SIZE
  66
  67         self.draw_player()
  68
  69     def draw_player(self):
  70         if self.player_tile:
  71             self.remove_widget(self.player_tile)
  72         player_pos = (self.player.pos[0] * TILE_SIZE,
  73                 self.player.pos[1] * TILE_SIZE)
  74         self.player_tile = Widget(size=(TILE_SIZE, TILE_SIZE),
  75                 pos=player_pos)
  76         with self.player_tile.canvas:
  77             Color(1, 1, 1)
  78             Rectangle(pos=player_pos, size=self.player_tile.size,
  79                     texture=self.player.sprite.texture)
  80         self.add_widget(self.player_tile)
  81
  82     def _closed(self):
  83         self.keyboard.unbind(on_key_down=self._on_key_down)
  84
  85     def _on_key_down(self, keyboard, keycode, text, modifiers):
  86         # FIXME - likely portablity issues
  87         direction = None
  88         if keycode[0] == pygame.K_UP:
  89             direction = (0, 1)
  90         elif keycode[0] == pygame.K_DOWN:
  91             direction = (0, -1)
  92         elif keycode[0] == pygame.K_LEFT:
  93             direction = (-1, 0)
  94         elif keycode[0] == pygame.K_RIGHT:
  95             direction = (1, 0)
  96         if direction:
  97             if self.player.can_move(direction, self.level_obj):
  98                 self.player.move(direction)
  99                 self.draw_player()
 100
 101
 102 class GameApp(App):
 103
 104     def __init__(self):
 105         self.level = 'level1.txt'
 106         super(GameApp, self).__init__()
 107
 108     def build(self):
 109         game = GameWindow(self.level)
 110         game.build()
 111         return game
 112
 113
 114 def main():
 115     """ Erdslangetjie, a maze game of eluding nemesis
 116     """
 117     GameApp().run()