Initial commit: R0Installer source, patch generator, API backend and build scripts

Co-authored-by: Cursor <cursoragent@cursor.com>

build.bat

@@ -0,0 +1,93 @@
+@echo off
+chcp 65001 >nul
+echo ========================================
+echo   R0对战平台安装/更新程序 - 构建脚本
+echo ========================================
+echo.
+
+:: 设置路径
+set SCRIPT_DIR=%~dp0
+set INSTALLER_DIR=%SCRIPT_DIR%R0Installer
+set PATCHGEN_DIR=%SCRIPT_DIR%R0PatchGenerator
+set OUTPUT_DIR=%SCRIPT_DIR%
+set MSBUILD="C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
+
+:: 检查MSBuild是否存在
+if not exist %MSBUILD% (
+    echo [错误] 未找到 MSBuild.exe
+    echo 请确保已安装 .NET Framework 4.8
+    pause
+    exit /b 1
+)
+
+echo [1/5] 清理旧文件...
+if exist "%INSTALLER_DIR%\bin\Release\R0Installer.exe" del /f "%INSTALLER_DIR%\bin\Release\R0Installer.exe"
+if exist "%OUTPUT_DIR%R0Installer.exe" del /f "%OUTPUT_DIR%R0Installer.exe"
+if exist "%PATCHGEN_DIR%\bin\Release\R0PatchGenerator.exe" del /f "%PATCHGEN_DIR%\bin\Release\R0PatchGenerator.exe"
+if exist "%OUTPUT_DIR%R0PatchGenerator.exe" del /f "%OUTPUT_DIR%R0PatchGenerator.exe"
+
+:: 编译 R0Installer
+echo [2/5] 正在编译 R0Installer...
+cd /d "%INSTALLER_DIR%"
+%MSBUILD% R0Installer.csproj /p:Configuration=Release /verbosity:minimal /nologo
+
+if %ERRORLEVEL% NEQ 0 (
+    echo.
+    echo [错误] R0Installer 编译失败！
+    pause
+    exit /b 1
+)
+
+echo [3/5] 复制 R0Installer...
+copy /y "bin\Release\R0Installer.exe" "%OUTPUT_DIR%R0Installer.exe" >nul
+
+:: 编译 R0PatchGenerator
+if exist "%PATCHGEN_DIR%" (
+    echo [4/5] 正在编译 R0PatchGenerator...
+    cd /d "%PATCHGEN_DIR%"
+    %MSBUILD% R0PatchGenerator.csproj /p:Configuration=Release /verbosity:minimal /nologo
+    
+    if %ERRORLEVEL% NEQ 0 (
+        echo [警告] R0PatchGenerator 编译失败！
+    ) else (
+        echo [5/5] 复制 R0PatchGenerator...
+        copy /y "bin\Release\R0PatchGenerator.exe" "%OUTPUT_DIR%R0PatchGenerator.exe" >nul
+    )
+) else (
+    echo [4/5] 跳过 R0PatchGenerator (目录不存在)
+    echo [5/5] 跳过
+)
+
+cd /d "%SCRIPT_DIR%"
+
+echo.
+echo ========================================
+echo   构建完成！
+echo ========================================
+echo.
+
+:: 显示 R0Installer 文件信息
+if exist "%OUTPUT_DIR%R0Installer.exe" (
+    for %%A in ("%OUTPUT_DIR%R0Installer.exe") do (
+        set /a SIZE_KB=%%~zA / 1024
+    )
+    call echo R0Installer.exe: %%SIZE_KB%% KB
+)
+
+:: 显示 R0PatchGenerator 文件信息
+if exist "%OUTPUT_DIR%R0PatchGenerator.exe" (
+    for %%A in ("%OUTPUT_DIR%R0PatchGenerator.exe") do (
+        set /a SIZE_KB2=%%~zA / 1024
+    )
+    call echo R0PatchGenerator.exe: %%SIZE_KB2%% KB
+)
+
+echo.
+echo 使用说明:
+echo   安装模式: R0Installer.exe
+echo   更新模式: R0Installer.exe update ^<版本号^>
+echo   生成增量包: R0PatchGenerator.exe ^<旧版本目录^> ^<新版本目录^> ^<输出.zip^> [从版本] [到版本]
+echo.
+echo 注意: 增量包生成需要 hdiffz.exe，更新需要 hpatchz.exe
+echo.
+pause