🎮 ChineseChess v7.4.0 Release Notes
✨ New Features
- Puzzle Mode — 5 classic endgame puzzles (Double Rook Checkmate, Horse-Cannon Combo, Iron Door Bolt, Double Cannon,
Crouching Horse) with selectable AI difficulty - AI Difficulty Selection — Easy / Medium / Hard difficulty for human-vs-AI mode
- AI Engine Rewrite — Upgraded from single-layer greedy search to Alpha-Beta pruning (up to depth 5), with
piece-position evaluation tables (Horse/Rook/Cannon/Pawn) and move ordering - Network Undo — Undo moves now sync between peers in network mode (0xFE protocol command)
🎨 Visual Improvements
- Board background with wood-grain gradient and dark wood outer frame
- Chess pieces rendered with radial gradient, drop shadow, and inner decorative ring
- Selected piece highlighted in gold; text in warm tones
- Board lines in dark brown with star-point markers at cannon and pawn positions
- "Chu River / Han Border" text rendered semi-transparent
- Red side Rook/Horse characters changed to traditional forms (俥→車, 傌→馬)
🐛 Bug Fixes
- Fixed canMove() incorrectly returning true by default (now returns false)
- Fixed isGeneral() not properly detecting check during Black's turn
- Fixed timer not stopping when undoing back to move 0
Build & CI
- Rewrote build.bat as a multi-config batch build script supporting Qt6 MSVC/MinGW + Qt5 MSVC x64/x86 (4 configs,
one-click build & package) - Added version override (VERSION_OVERRIDE) and parallel compilation support
- Added SKIP_DEPLOY CMake option to prevent redundant Qt deployment during batch builds
- Inno Setup script now accepts external parameters (version, architecture, output directory)
- GitHub Actions upgraded to Qt 6.8.3 across all platforms, removed debug output clutter
- macOS build artifact architecture label corrected to arm64
- Upgraded action-gh-release to v2, modernized environment variable syntax
🎮 中国象棋 v7.4.0 Release Notes
✨ 新功能
- 残局挑战模式 — 新增 5 个经典残局（双车错、马后炮、铁门栓、重炮、卧槽马），支持选择 AI 难度对弈
- AI 难度选择 — 人机对战支持简单/中等/困难三档难度，启动时可选
- AI 引擎重写 — 从单层贪心搜索升级为 Alpha-Beta 剪枝算法（最高 5
层深度），新增棋子位置评估表（马/车/炮/兵），走法排序优化 - 网络对战悔棋 — 网络模式下支持悔棋同步（0xFE 协议命令）
🎨 视觉优化
- 棋盘背景改为木纹色渐变，外围深木色桌面底色
- 棋子改为径向渐变立体效果，带阴影和内圈装饰环
- 选中棋子金色高亮，文字改为暖色调
- 棋盘线条改为深棕色，新增星位标记（炮位/兵卒位十字花）
- 楚河汉界文字半透明化
- 红方車/馬字形改为传统写法（俥→車、傌→馬）
🐛 修复
- 修复 canMove() 默认返回 true 的逻辑错误，改为 false
- 修复 isGeneral() 黑方回合未正确检测将军的问题
- 修复悔棋到第 0 步时计时器未停止的问题
🔧 构建 & CI
- build.bat 重写为多配置批量构建脚本，支持 Qt6 MSVC/MinGW + Qt5 MSVC x64/x86 四种配置一键编译打包
- 支持版本号覆盖（VERSION_OVERRIDE）和并行编译
- CMakeLists.txt 新增 SKIP_DEPLOY 选项，避免批量构建时重复部署
- Inno Setup 脚本支持外部传参（版本号/架构/输出目录等）
- GitHub Actions 全平台升级至 Qt 6.8.3，清理冗余调试输出
- macOS 构建产物架构标记修正为 arm64
- action-gh-release 升级至 v2，环境变量写入方式现代化
