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tanks.py
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tanks.py
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import argparse
import os
import sys
import pygame
from pygame.locals import *
import game_objects
import object_manager
LEVELS_DIR = 'levels'
RESOLUTION = 800, 600
BACKGROUND_COLOR = 180, 180, 180
CAPTION = 'Tanks'
FPS = 60
class Tanks:
def __init__(self):
pygame.mixer.pre_init(44100, -16, 2, 512)
pygame.init()
self.screen = pygame.display.set_mode(RESOLUTION)
pygame.mouse.set_visible(False)
pygame.display.set_caption(CAPTION)
self.clock = pygame.time.Clock()
self.background = pygame.Surface(self.screen.get_size()).convert()
self.background.fill(BACKGROUND_COLOR)
self.fps = FPS
self.player = None
def _load_level(self, level):
level = os.path.join(LEVELS_DIR, level)
level_file = open(level, 'r')
for line in level_file:
try:
object_type, x, y = line.split()
object_type = int(object_type)
coords = (int(x), int(y))
except:
sys.exit('Wrong file format')
if object_type == game_objects.STONE:
obj = game_objects.Stone(coords)
elif object_type == game_objects.PLAYER:
if self.player is None:
obj = game_objects.Player(coords)
self.player = obj
else:
sys.exit('More then one player')
elif object_type == game_objects.ENEMY:
obj = game_objects.Enemy(coords)
else:
sys.exit('Wrong file format')
obj.type = object_type
level_file.close()
def _write_level(self, level):
level = os.path.join(LEVELS_DIR, level)
try:
level_file = open(level, 'w')
objects = object_manager.get()
for obj in objects:
x, y = obj.rect.center
level_file.write("%d %d %d\n" % (obj.type, x, y))
except:
sys.exit('Unknown error')
finally:
level_file.close()
def game(self, level):
try:
self._load_level(level)
except IOError:
sys.exit('No such file: %s' % level)
running = True
while running:
self.clock.tick(self.fps)
for event in pygame.event.get():
if event.type == QUIT:
running = False
elif event.type == KEYDOWN:
if event.key == K_ESCAPE:
running = False
elif event.key == K_UP:
self.player.turn_up()
self.player.move()
elif event.key == K_LEFT:
self.player.turn_left()
self.player.move()
elif event.key == K_DOWN:
self.player.turn_down()
self.player.move()
elif event.key == K_RIGHT:
self.player.turn_right()
self.player.move()
elif event.key == K_SPACE:
self.player.stop()
self.player.shoot()
elif event.type == KEYUP:
if event.key == K_UP \
or event.key == K_LEFT \
or event.key == K_DOWN \
or event.key == K_RIGHT:
self.player.stop()
object_manager.update()
if not object_manager.has(self.player):
running = False
if not object_manager.enemies():
running = False
self.screen.blit(self.background, (0, 0))
object_manager.draw(self.screen)
pygame.display.flip()
pygame.quit()
def level_editor(self, level):
try:
self._load_level(level)
except IOError:
print('New file')
cursor = game_objects.Cursor(self.player is not None)
cursor_surface = pygame.sprite.RenderPlain()
cursor_surface.add(cursor)
running = True
while running:
self.clock.tick(self.fps)
for event in pygame.event.get():
if event.type == QUIT:
running = False
elif event.type == KEYDOWN:
if event.key == K_SPACE:
cursor.next()
elif event.type == MOUSEBUTTONDOWN:
if cursor.current == game_objects.DELETE:
cursor.delete()
else:
cursor.create()
cursor_surface.update()
self.screen.blit(self.background, (0, 0))
object_manager.draw(self.screen)
cursor_surface.draw(self.screen)
pygame.display.flip()
self._write_level(level)
pygame.quit()
def main():
parser = argparse.ArgumentParser(
description='Simple game written in Python 3 using pygame library')
parser.add_argument('level', help='name of level file')
parser.add_argument('-e', '--editor',
action='store_true', help='run level editor')
args = parser.parse_args()
tanks = Tanks()
if args.editor:
tanks.level_editor(args.level)
else:
tanks.game(args.level)
if __name__ == '__main__' :
main()