initial import

pyshoot.py

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+#!/usr/bin/python
+# -*- coding: iso8859-15 -*-
+# first shoot'em um prototype
+# may be ported to DS later
+# it will use pygame (at least at the beginning) for input handling, graphics and sound
+
+import pygame
+from pygame.locals import *
+import os
+
+
+
+# constants
+SCREEN_X = 640
+SCREEN_Y = 480
+
+class Globals:
+	def __init__(self):
+		self.screen = None
+		self.background = None
+		self.level_event_list = []
+		self.clock = None
+		self.event_type = {}
+		self.die = False
+		self.moving_objects = pygame.sprite.RenderUpdates()
+		self.bullets_list = pygame.sprite.RenderUpdates()
+		self.bulletfactory = BulletFactory()
+
+class Event:
+	def __init__(self):
+		self.time = 0
+		self.type = 0
+
+class Object(pygame.sprite.Sprite):
+	def __init__(self, frames, pos, speed):
+		pygame.sprite.Sprite.__init__(self)
+		self.speed = speed
+		self.frames = frames
+		self.image = None
+		self.load()
+		self.rect = self.image.get_rect().move(pos)
+		self.dx = 0
+		self.dy = 0
+
+	def load(self):
+		""" load sprite list """
+		index = 0
+		for f in self.frames:
+			image = pygame.image.load(os.path.join('data', f)).convert()
+			image.set_colorkey(pygame.Color(255,255,255, 0))
+			self.frames[index] = image
+			index += 1
+		self.image = self.frames[0]
+
+#	def draw(self):
+#		# self.image.blit
+#		globals.screen.blit(self.image, self.rect)
+	
+	def move(self, dx, dy):
+		""" move the object by adding deltas passed """
+		self.speed = (dx, dy)
+		globals.moving_objects.add(self)
+
+	def update(self):
+		# self.rect = self.rect.move(self.dx, self.dy)
+		self.rect.move_ip(self.speed)
+
+	def shoot(self):
+		""" create a bullet and add it to the global bullet list"""
+		bullet = globals.bulletfactory.create(0, self.rect.midright)
+		globals.bullets_list.add(bullet)
+
+
+class BulletFactory():
+	""" BulletFactory, create bullets """
+
+	def create(self, type, pos):
+		""" create bullt of type type """
+		if type == 0:
+			return self.create_type0(pos)
+
+	def create_type0(self, pos):
+		""" create a bullet of type 0
+		temporary linear type """
+
+		bullet = Bullet(['bullet.bmp'], 0, pos)
+		bullet.speed = (10,0)
+		bullet.damage = 10
+		return bullet
+	
+
+class Bullet(Object):
+	def __init__(self, frames, type, pos):
+		Object.__init__(self, frames, pos, (0, 0))
+		self.type = type
+
+def init_gfx():
+	"""graphics initialisation"""
+	
+	globals.screen = pygame.display.set_mode((SCREEN_X, SCREEN_Y))
+	globals.screen.fill(0)
+	pygame.display.flip()
+
+def init_sound():
+	"""sound initialisation"""
+	pass
+
+def init():
+	""" general initialisation"""
+	pygame.init()
+	init_gfx()
+	globals.clock = pygame.time.Clock()
+	#globals.event_type = {'create_enemeny' : create_enemey, 'vanish_object': vanish_object()}
+
+
+def create_enemy(type):
+	""" create an enemy """
+	pass
+
+def create_level():
+	""" phony level one"""
+
+	# create events
+	# dict events string => function
+	# for e in keys(globals.events_type):
+	pass
+		
+def wait_keypress():
+	""" wait for a keypress and then return """
+	next = 0
+	while next != 1:
+		for event in pygame.event.get():
+			if event.type == KEYDOWN:
+				next = 1
+
+def process_key(event, player):
+	""" process keyboard input """
+	if event.key == K_ESCAPE:
+		globals.die = True
+	elif event.key == K_n:
+		player.move(0, 10)
+		pass
+	elif event.key == K_UP:
+		player.move(0, -10)
+	elif event.key == K_DOWN:
+		player.move(0, 10)
+	elif event.key == K_LEFT:
+		player.move(-10, 0)
+	elif event.key == K_RIGHT:
+		player.move(10, 0)
+	elif event.key == K_x:
+		player.shoot()
+
+##
+# Main
+##
+
+globals = Globals()
+init()
+
+wait_keypress()
+
+nbframe = 0
+
+# create_player
+player = Object(['player1_1.bmp'], (50, 50), (0, 0))
+
+# background
+globals.background = pygame.image.load(os.path.join('data', 'background.bmp')).convert()
+background_rect = globals.background.get_rect()
+globals.screen.blit(globals.background, background_rect)
+pygame.display.flip()
+# draw initial sprite
+globals.moving_objects.add(player)
+while not globals.die:
+	
+	# erase player
+	#globals.screen.blit(background, player.rect, player.rect)
+	# draw player
+	#globals.screen.blit(player.image, player.pos)
+	
+	#globals.moving_objects.clear(globals.screen, globals.background)
+	#globals.bullets_list.clear(globals.screen, globals.background)
+
+	for event in pygame.event.get():
+                if event.type == KEYDOWN:
+			process_key(event, player)
+
+	# erase moving objects
+	globals.moving_objects.update()
+	rectlist = globals.moving_objects.draw(globals.screen)
+
+	# bullets handling
+	globals.bullets_list.update()
+	rectlist.extend(globals.bullets_list.draw(globals.screen))
+
+	#for o in globals.moving_objects:
+	#	o.update()
+	#	o.draw()
+	pygame.display.update(rectlist)
+
+	# pygame.display.flip()
+	nbframe = nbframe + 1
+
+	globals.clock.tick(60)
+	globals.moving_objects.clear(globals.screen, globals.background)
+	globals.bullets_list.clear(globals.screen, globals.background)
+
+
+	# reinitializing moving objects list
+	globals.moving_objects = pygame.sprite.RenderUpdates()
+
+print "frames : %d" % nbframe
+
+
+
+# TODO:
+# + Objects / Sprites
+# --> convert my Objects to pygame.sprite.Sprite
+# --> convert moving_objects list to Group
+# + Input
+# --> handle continuous keypress
+# + Movving Sprites
+# --> handle continous player move (related to Input)
+# --> Sprites (non related to player input) movement vector, etc...