#-*- coding: UTF-8 -*-
import pygame
import sys
import random
import time
from settings import Settings
from hero import Hero
from airplane import Airplane
from enemy import Enemy
from award import Award
from flyingObject import FlyingObject
#https://blog.csdn.net/caozewei/article/details/81015192

START = 0
RUNNING = 1
PAUSE = 2
GAMEOVER = 3
state = START
sets = Settings()

screen = pygame.display.set_mode((sets.bgImageWidth,sets.bgImageHeight),0,32) #创建窗口
print("bg image's width:%f,height:%f" % (sets.bgImageWidth,sets.bgImageHeight))
print("heroImage is %s" % sets.heroImages)
hero=Hero(screen,sets.heroImages)

flyings=[]
bullets=[]
score=0
def hero_blitme():
    #画英雄机
    global hero
    hero.blitme()


def bullets_blitme():
    for b in bullets:
        b.blitme()

def flyings_blitme():
    global sets
    for fly in flyings:
        fly.blitme()

def score_blitme():
    pygame.font.init()
    fontObj = pygame.font.Font("Tahoma.ttf",20)
    textSurfaceObj=fontObj.render(u'生命值: %d\n分数:%d\n火力值: %d' % (hero.getLife(),score,hero.isDoubleFire()),False,(135,100,184))
    textRectObj = textSurfaceObj.get_rect()
    textRectObj.center=(300,40)
    screen.blit(textSurfaceObj,textRectObj)

def state_blitme():
    global sets
    global state
    if state==START:
        screen.blit(sets.start,(0,0))
    elif state==PAUSE:
        screen.blit(sets.pause,(0,0))
    elif state==GAMEOVER:
        screen.blit(sets.gameover,(0,0))

def blitmes():
    hero_blitme()
    flyings_blitme()
    bullets_blitme()
    score_blitme()
    state_blitme()

def nextOne():
    type=random.randint(0,20)
    if type<4:
        return Bee(screen,sets.beeImage)
    elif type==5:
        return Bee(screen,sets.beeImage)
    else:
        return Airplane(screen,sets.airImage)
flyEnteredIndex=0
def enterAction():
    global flyEnteredIndex
    flyEnteredIndex+=1
    if flyEnteredIndex % 40 == 0:
        flyingobj=nextOne()
        flyings.append(flyingobj)
shootIndex=0
def shootAction():
    if shootIndex % 10 == 0:
        heroBullet=hero.shoot(sets.heroBullet)
        for bb in heroBullet:
            bullets.append(bb)

def stepAction():
    hero.step()
    for flyobj in flyings:
        flyobj.step()
    global bullets
    for b in bullets:
        b.step() 

def outOfBoundAction():
    global flyings
    flyingLives=[]
    index=0
    for f in flyings:
        print (f)
        print ("lds:")
        if f.outOfBounds()==True:
            flyingLives.insert(index,f)
            index+=1
            flyings=flyingLives
            index=0
            global bullets
            bulletsLive=[]
            for b in bullets:
                if b.outOfBounds()==True:
                    bulletsLive.insert(index,b)
                    index+=1
                    bullets=bulletsLive

j=0
def bangAction():
    for b in bullets:
        bang(b)


def bang(b):
    index=-1
    for x in range(0,len(flyings)):
        f=flyings[x]
        if f.shootBy(b):
            index=x
            break
        if index != -1:
            one=flyings[index]
            if isinstance(one,Enemy):
                global score
                score+=one.getScore()
                flyings.remove(one)

    bullets.remove(b)

def checkGameOverAction():
    if isGameOver():
        global state
        state=GAMEOVER
        hero.reLife()

def isGameOver():
    for f in flyings:
        if hero.hit(f):
            hero.sublife()
            hero.clearDoubleFire()
            flyings.remove(f)

    return hero.getLife()<=0

def action():
    x,y = pygame.mouse.get_pos()
    blitmes()
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
        if event.type == pygame.MOUSEBUTTONDOWN:
            flag=pygame.mouse.get_pressed()[0]
            rflag=pygame.mouse.get_pressed()[2]
            global state
            if flag==True and (state==START or state==PAUSE):
                state=RUNNING
            if flag==True and state==GAMEOVER:
                state=START
            if rflag==True:
                state=PAUSE

    if state==RUNNING:
        hero.move(x,y)
        enterAction()
        shootAction()
        stepAction()
        outOfBoundAction()
        bangAction()
        checkGameOverAction()

def main():
    pygame.display.set_caption("飞机大战")
    
    while True:
        print("screen blit...")
        screen.blit(sets.bgImage,(0,0))
        print("start action")
        action()
        print("display update")
        pygame.display.update()
        print("sleep 0.1")
        time.sleep(0.1)
if __name__ == '__main__':
    main()