（这几天本来想分析一下战地6门户的协议，但是和朋友梳理了前端流程做了些测试后发现bug没想象中那么好利用，分析到头疼都没找到如何绕过后端检测的办法，于是转头又去折腾一下刷枪相关的东西）
战地6刷枪比较烦，不能刷一半看看具体等级多少，整了个实时OCR的脚本来判定等级是否达到要求，达到了就发出提示音。想到OCR就直接在mac上做了，调用mac系统的OCR，战地6在PC上运行那就开了个远程桌面（给人一种DMA从机的感觉）。
设定的识别区域和频率（20FPS），测试下来效果挺好的。
备份一下代码，AI糊弄的，写得很垃圾就不往git传了。
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import time
import Quartz
import objc
from AppKit import NSBitmapImageRep
import Vision
import os
def alert_sound():
os.system("afplay /System/Library/Sounds/Ping.aiff")
def capture_screen_region(x, y, width, height):
"""截取屏幕指定区域"""
region = Quartz.CGRectMake(x, y, width, height)
cg_image = Quartz.CGWindowListCreateImage(
region,
Quartz.kCGWindowListOptionOnScreenOnly,
Quartz.kCGNullWindowID,
Quartz.kCGWindowImageDefault
)
if cg_image is None:
raise RuntimeError("无法截屏")
return cg_image
def perform_ocr(cg_image):
"""对 CGImage 执行中文 OCR"""
results_list = []
def callback(request, error):
if error:
print("OCR Error:", error)
return
observations = request.results()
for obs in observations:
candidates = obs.topCandidates_(1)
if candidates:
results_list.append(candidates[0].string())
VNRecognizeTextRequest = objc.lookUpClass('VNRecognizeTextRequest')
request = VNRecognizeTextRequest.alloc().initWithCompletionHandler_(callback)
request.setRecognitionLanguages_(["zh-Hans"])
request.setRecognitionLevel_(Vision.VNRequestTextRecognitionLevelAccurate)
VNImageRequestHandler = objc.lookUpClass('VNImageRequestHandler')
handler = VNImageRequestHandler.alloc().initWithCGImage_options_(cg_image, None)
handler.performRequests_error_([request], None)
return results_list
if __name__ == "__main__":
import sys
if len(sys.argv) < 5:
print("用法: python ocr_screen_live.py x y width height [interval_seconds]")
sys.exit(1)
x, y, w, h = map(int, sys.argv[1:5])
interval = float(sys.argv[5]) if len(sys.argv) > 5 else 0.5
print(f"实时 OCR 启动，区域: ({x},{y},{w},{h})，刷新间隔: {interval}s")
try:
while True:
cg_image = capture_screen_region(x, y, w, h)
texts = perform_ocr(cg_image)
if texts:
print("识别结果：")
for t in texts:
print(t)
print("-" * 30)
if "势不可挡" in texts:
print("检测到关键字 '势不可挡'！")
alert_sound()
time.sleep(interval)
except KeyboardInterrupt:
print("已停止实时 OCR")
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