# coding: utf-8
import os
import shutil
import time
import math
import wda
from PIL import Image, ImageDraw
import random
import json
# === 思路 ===
# 核心：每次落稳之后截图，根据截图算出棋子的坐标和下一个块顶面的中点坐标，
# 根据两个点的距离乘以一个时间系数获得长按的时间
# 识别棋子：靠棋子的颜色来识别位置，通过截图发现最下面一行大概是一条直线，就从上往下一行一行遍历，
#  比较颜色（颜色用了一个区间来比较）找到最下面的那一行的所有点，然后求个中点，
#  求好之后再让 Y 轴坐标减小棋子底盘的一半高度从而得到中心点的坐标
# 识别棋盘：靠底色和方块的色差来做，从分数之下的位置开始，一行一行扫描，由于圆形的块最顶上是一条线，
#  方形的上面大概是一个点，所以就用类似识别棋子的做法多识别了几个点求中点，
#  这时候得到了块中点的 X 轴坐标，这时候假设现在棋子在当前块的中心，
#  根据一个通过截图获取的固定的角度来推出中点的 Y 坐标
# 最后：根据两点的坐标算距离乘以系数来获取长按时间（似乎可以直接用 X 轴距离）
# TODO: 解决定位偏移的问题
# TODO: 看看两个块中心到中轴距离是否相同，如果是的话靠这个来判断一下当前超前还是落后，便于矫正
# TODO: 一些固定值根据截图的具体大小计算
# TODO: 直接用 X 轴距离简化逻辑
with open('config.json', 'r') as f:
 config = json.load(f)
# Magic Number，不设置可能无法正常执行，请根据具体截图从上到下按需设置
under_game_score_y = config['under_game_score_y'] # 截图中刚好低于分数显示区域的 Y 坐标，300 是 1920x1080 的值，2K 屏、全面屏请根据实际情况修改
press_coefficient = config['press_coefficient'] # 长按的时间系数，请自己根据实际情况调节
piece_base_height_1_2 = config['piece_base_height_1_2'] # 二分之一的棋子底座高度，可能要调节
piece_body_width = config['piece_body_width']  # 棋子的宽度，比截图中量到的稍微大一点比较安全，可能要调节
time_coefficient = config['press_coefficient']
# 模拟按压的起始点坐标，需要自动重复游戏请设置成“再来一局”的坐标
if config.get('swipe'):
 swipe = config['swipe']
else:
 swipe = {
 "x1": 320,
 "y1": 410,
 "x2": 320,
 "y2": 410
 }
c = wda.Client()
s = c.session()
screenshot_backup_dir = 'screenshot_backups/'
if not os.path.isdir(screenshot_backup_dir):
 os.mkdir(screenshot_backup_dir)
def pull_screenshot():
 c.screenshot('1.png')
def jump(distance):
 press_time = distance * time_coefficient / 1000
 print('press time: {}'.format(press_time))
 s.tap_hold(200, 200, press_time)
def backup_screenshot(ts):
 # 为了方便失败的时候 debug
 if not os.path.isdir(screenshot_backup_dir):
 os.mkdir(screenshot_backup_dir)
 shutil.copy('1.png', '{}{}.png'.format(screenshot_backup_dir, ts))
def save_debug_creenshot(ts, im, piece_x, piece_y, board_x, board_y):
 draw = ImageDraw.Draw(im)
 # 对debug图片加上详细的注释
 draw.line((piece_x, piece_y) + (board_x, board_y), fill=2, width=3)
 draw.line((piece_x, 0, piece_x, im.size[1]), fill=(255, 0, 0))
 draw.line((0, piece_y, im.size[0], piece_y), fill=(255, 0, 0))
 draw.line((board_x, 0, board_x, im.size[1]), fill=(0, 0, 255))
 draw.line((0, board_y, im.size[0], board_y), fill=(0, 0, 255))
 draw.ellipse((piece_x - 10, piece_y - 10, piece_x + 10, piece_y + 10), fill=(255, 0, 0))
 draw.ellipse((board_x - 10, board_y - 10, board_x + 10, board_y + 10), fill=(0, 0, 255))
 del draw
 im.save('{}{}_d.png'.format(screenshot_backup_dir, ts))
def set_button_position(im):
 # 将swipe设置为 `再来一局` 按钮的位置
 global swipe_x1, swipe_y1, swipe_x2, swipe_y2
 w, h = im.size
 left = w / 2
 top = 1003 * (h / 1280.0) + 10
 swipe_x1, swipe_y1, swipe_x2, swipe_y2 = left, top, left, top
def find_piece_and_board(im):
 w, h = im.size
 print("size: {}, {}".format(w, h))
 piece_x_sum = 0
 piece_x_c = 0
 piece_y_max = 0
 board_x = 0
 board_y = 0
 scan_x_border = int(w / 8) # 扫描棋子时的左右边界
 scan_start_y = 0 # 扫描的起始y坐标
 im_pixel = im.load()
 # 以50px步长，尝试探测scan_start_y
 for i in range(under_game_score_y, h, 50):
 last_pixel = im_pixel[0, i]
 for j in range(1, w):
  pixel = im_pixel[j, i]
  # 不是纯色的线，则记录scan_start_y的值，准备跳出循环
  if pixel[0] != last_pixel[0] or pixel[1] != last_pixel[1] or pixel[2] != last_pixel[2]:
  scan_start_y = i - 50
  break
 if scan_start_y:
  break
 print("scan_start_y: ", scan_start_y)
 # 从scan_start_y开始往下扫描，棋子应位于屏幕上半部分，这里暂定不超过2/3
 for i in range(scan_start_y, int(h * 2 / 3)):
 for j in range(scan_x_border, w - scan_x_border): # 横坐标方面也减少了一部分扫描开销
  pixel = im_pixel[j, i]
  # 根据棋子的最低行的颜色判断，找最后一行那些点的平均值，这个颜色这样应该 OK，暂时不提出来
  if (50 < pixel[0] < 60) and (53 < pixel[1] < 63) and (95 < pixel[2] < 110):
  piece_x_sum += j
  piece_x_c += 1
  piece_y_max = max(i, piece_y_max)
 if not all((piece_x_sum, piece_x_c)):
 return 0, 0, 0, 0
 piece_x = piece_x_sum / piece_x_c
 piece_y = piece_y_max - piece_base_height_1_2 # 上移棋子底盘高度的一半
 for i in range (int (h / 3), int (h * 2 / 3)):
 last_pixel = im_pixel[0, i]
 if board_x or board_y:
  break
 board_x_sum = 0
 board_x_c = 0
 for j in range(w):
  pixel = im_pixel[j, i]
  # 修掉脑袋比下一个小格子还高的情况的 bug
  if abs(j - piece_x) < piece_body_width:
  continue
  # 修掉圆顶的时候一条线导致的小 bug，这个颜色判断应该 OK，暂时不提出来
  if abs(pixel[0] - last_pixel[0]) + abs(pixel[1] - last_pixel[1]) + abs(pixel[2] - last_pixel[2]) > 10:
  board_x_sum += j
  board_x_c += 1
 if board_x_sum:
  board_x = board_x_sum / board_x_c
 # 按实际的角度来算，找到接近下一个 board 中心的坐标 这里的角度应该是30°,值应该是tan 30°, math.sqrt(3) / 3
 board_y = piece_y - abs(board_x - piece_x) * math.sqrt(3) / 3
 if not all((board_x, board_y)):
 return 0, 0, 0, 0
 return piece_x, piece_y, board_x, board_y
def main():
 while True:
 pull_screenshot()
 im = Image.open("./1.png")
 # 获取棋子和 board 的位置
 piece_x, piece_y, board_x, board_y = find_piece_and_board(im)
 ts = int(time.time())
 print(ts, piece_x, piece_y, board_x, board_y)
 if piece_x == 0:
  return
 set_button_position(im)
 distance = math.sqrt((board_x - piece_x) ** 2 + (board_y - piece_y) ** 2)
 jump(distance)
 save_debug_creenshot(ts, im, piece_x, piece_y, board_x, board_y)
 backup_screenshot(ts)
 time.sleep(random.uniform(1, 1.1)) # 为了保证截图的时候应落稳了，多延迟一会儿
if __name__ == '__main__':
 main()