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#simple enemy class
import os
import pygame, pygame.image
from pygame.locals import *
import game, gfx
images = []
guard_loadtime = 15
def load_game_resources():
#load ship graphics
global images
for s in 'nwse':
imgs = []
for i in range(0,7):
img = gfx.load('guard_%s-%02d.gif'%(s,i))
imgs.append(img)
imgs = map(lambda index, l=imgs: l[index],
[0,1,2,3,4,3,4,4,5,5,5,6,5,5,6,6])
images.append(imgs)
class Guard:
def __init__(self, type):
self.images = images[type]
img = self.images[0]
self.type = type
self.dead = 0
self.rect = img.get_rect()
if type == 0: #top
self.rect.bottomleft = game.arena.topleft
self.move = [game.guard_speed, 0]
elif type == 1: #left
self.rect.bottomright = game.arena.bottomleft
self.move = [0, -game.guard_speed]
elif type == 2: #bottom
self.rect.topright = game.arena.bottomright
self.move = [-game.guard_speed, 0]
else: #right
self.rect.topleft = game.arena.topright
self.move = [0, game.guard_speed]
self.lastrect = None
self.reloading = 0
self.fireme = 0
self.pos = list(self.rect.topleft)
def shotinfo(self):
speed = game.shot_speed
if self.type == 0: #top
return (self.rect.centerx, self.rect.bottom), (0, speed)
elif self.type == 1: #left
return (self.rect.right, self.rect.centery), (speed, 0)
elif self.type == 2: #bottom
return (self.rect.centerx, self.rect.top), (0, -speed)
else: #right
return (self.rect.left, self.rect.centery), (-speed, 0)
def erase(self, background):
if self.lastrect:
r = background(self.lastrect)
if self.dead:
gfx.dirty(r)
def draw(self, gfx):
img = self.images[0]
if self.reloading:
index = guard_loadtime-self.reloading
img = self.images[index]
gfx.surface.blit(img, self.rect)
gfx.dirty2(self.rect, self.lastrect)
self.lastrect = Rect(self.rect)
def tick(self, speedadjust = 1.0):
self.pos[0] += self.move[0] * speedadjust
self.pos[1] += self.move[1] * speedadjust
self.rect.topleft = self.pos
if self.type == 0 or self.type == 2:
if self.rect.left < game.arena.left:
self.move[0] = abs(self.move[0])
if self.rect.right > game.arena.right:
self.move[0] = -abs(self.move[0])
else:
if self.rect.top < game.arena.top:
self.move[1] = abs(self.move[1])
if self.rect.bottom > game.arena.bottom:
self.move[1] = -abs(self.move[1])
if self.reloading:
self.reloading -= 1
self.fireme = (self.reloading == 1)
return self.dead
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