175 lines
6.7 KiB
Python
175 lines
6.7 KiB
Python
import json
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import math
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import threading
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import time
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from dataclasses import dataclass
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from pathlib import Path
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import cv2
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import numpy as np
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from PIL import Image
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class WorkflowError(RuntimeError):
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pass
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@dataclass(frozen=True)
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class Region:
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# Coordinates in primary-screen screenshot pixels, not mouse points.
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x: int
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y: int
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width: int
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height: int
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def validate(self, screen_size):
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if min(self.x, self.y) < 0 or min(self.width, self.height) <= 0:
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raise WorkflowError('请先框选有效的游戏内容区域。')
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if self.x + self.width > screen_size[0] or self.y + self.height > screen_size[1]:
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raise WorkflowError('屏幕尺寸已变化，请重新校准游戏区域。')
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if abs(self.width / self.height - 562 / 1002) > 0.035:
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raise WorkflowError('区域比例不符合竖屏游戏，请只框选游戏内容，不包含标题栏。')
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def mouse_point(self, point, screenshot_size, mouse_size):
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if len(point) != 2 or not all(math.isfinite(v) and 0 < v < 1 for v in point):
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raise WorkflowError('点击位置必须位于游戏区域内部。')
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self.validate(screenshot_size)
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return (
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round((self.x + point[0] * self.width) * mouse_size[0] / screenshot_size[0]),
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round((self.y + point[1] * self.height) * mouse_size[1] / screenshot_size[1]),
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)
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class Matcher:
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def __init__(self, assets):
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self.assets = Path(assets)
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self.cache = {}
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def frame(self, screenshot, region):
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region.validate(screenshot.size)
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crop = screenshot.crop((region.x, region.y, region.x + region.width, region.y + region.height))
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return np.asarray(crop.convert('RGB').resize((562, 1002), Image.Resampling.LANCZOS))
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def score(self, frame, spec):
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return self.locate(frame, spec)[0]
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def locate(self, frame, spec):
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name = spec['template']
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if name not in self.cache:
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p = self.assets / name
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if not p.is_file():
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raise WorkflowError('缺少识别模板：' + name)
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self.cache[name] = np.asarray(Image.open(p).convert('RGB'))
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template = self.cache[name]
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x1, y1, x2, y2 = spec['search']
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area = frame[y1:y2, x1:x2]
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h, w = template.shape[:2]
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if area.shape[0] < h or area.shape[1] < w:
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raise WorkflowError('模板尺寸超出识别区域。')
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result = cv2.matchTemplate(area, template, cv2.TM_CCOEFF_NORMED)
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_, score, _, (x, y) = cv2.minMaxLoc(result)
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candidate = area[y:y + h, x:x + w]
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# Correlation alone can mistake a darkened background behind a popup
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# for the active home page. Also require similar absolute colors.
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difference = float(np.abs(candidate.astype(float) - template.astype(float)).mean())
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if difference > spec.get('max_color_difference', 28):
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return 0.0, None
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if not math.isfinite(score):
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return 0.0, None
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return float(score), (x1 + x, y1 + y, w, h)
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def matches(self, frame, specs):
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return all(self.score(frame, s) >= s.get('threshold', 0.86) for s in specs)
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class Desktop:
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def __init__(self):
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import pyautogui
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self.api = pyautogui
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self.api.FAILSAFE = True
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self.api.PAUSE = 0.1
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def screenshot(self):
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return self.api.screenshot()
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def click(self, point, region, screenshot_size, hold=0.2):
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from .permissions import mouse_permission_granted
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if not mouse_permission_granted():
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raise WorkflowError(
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'macOS 辅助功能权限未授予，无法发送有效鼠标点击。'
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'请在系统设置 → 隐私与安全性 → 辅助功能中启用运行程序的宿主'
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'（如 ChatGPT/Codex 或终端），重启宿主后再测试。'
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)
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x, y = region.mouse_point(point, screenshot_size, tuple(self.api.size()))
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self.api.moveTo(x, y, duration=0.2)
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self.api.mouseDown()
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try:
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# The game did not react to instant down/up in the live test.
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time.sleep(hold)
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finally:
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# Always release, including if the pointer moved to a failsafe
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# corner during the hold. Restore the guard immediately afterward.
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saved_failsafe = self.api.FAILSAFE
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self.api.FAILSAFE = False
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try:
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self.api.mouseUp()
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finally:
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self.api.FAILSAFE = saved_failsafe
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class Runner:
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def __init__(self, desktop, matcher, region, log=print, stop=None):
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self.desktop = desktop
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self.matcher = matcher
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self.region = region
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self.log = log
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self.stop = stop or threading.Event()
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def check_stop(self):
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if self.stop.is_set():
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raise WorkflowError('已停止。')
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def wait_state(self, specs, timeout=10, absent=False):
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end = time.monotonic() + timeout
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stable = 0
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while time.monotonic() < end:
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self.check_stop()
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screenshot = self.desktop.screenshot()
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frame = self.matcher.frame(screenshot, self.region)
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matched = self.matcher.matches(frame, specs)
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stable = stable + 1 if matched != absent else 0
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if stable >= 2:
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return screenshot
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self.stop.wait(0.35)
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raise WorkflowError('等待页面状态超时，流程停止，请检查当前界面。')
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def run(self, flow, dry_run=False):
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self.check_stop()
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# A dry run validates the CURRENT page and lists later actions;
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# it cannot verify pages that have not actually been opened.
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initial = self.wait_state(flow['steps'][0]['expect'])
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if dry_run:
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for step in flow['steps']:
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self.log('计划：' + step['name'])
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self.log('预览完成：首页识别通过，后续页面尚未验证；未执行点击。')
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return
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for step in flow['steps']:
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self.log('检查：' + step['name'])
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screenshot = self.wait_state(step['expect'], step.get('timeout', 10))
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self.check_stop()
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if 'click' in step:
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# One click only; never retry a claim after an uncertain result.
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self.desktop.click(step['click'], self.region, screenshot.size)
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self.log('已点击：' + step['name'])
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if 'wait_absent' in step:
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self.wait_state(step['wait_absent'], step.get('timeout', 10), absent=True)
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if step.get('settle'):
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self.stop.wait(step['settle'])
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self.check_stop()
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self.wait_state(flow['finish'])
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self.log(flow['result'])
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def load_flow(path):
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return json.loads(Path(path).read_text(encoding='utf-8'))
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