140 lines
3.7 KiB
Batchfile
140 lines
3.7 KiB
Batchfile
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@echo off
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setlocal enabledelayedexpansion
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echo ========================================
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echo WASM to asm.js 转换器
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echo ========================================
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echo.
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:: 检查参数
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if "%~1"=="" (
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echo 错误: 缺少 WASM 文件路径参数
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echo.
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echo 用法: gen-asm.bat ^<wasm文件路径^> ^<输出路径^>
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echo.
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echo 示例:
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echo gen-asm.bat pinball.wasm output/pinball-asm.js
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echo gen-asm.bat ../target/wasm32-unknown-unknown/release/pinball_physics.wasm ../client-cocos/assets/wasm/pinball-asm.js
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echo.
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goto :error
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)
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if "%~2"=="" (
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echo 错误: 缺少输出路径参数
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echo.
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echo 用法: gen-asm.bat ^<wasm文件路径^> ^<输出路径^>
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echo.
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goto :error
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)
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set WASM_FILE=%~1
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set OUTPUT_FILE=%~2
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set SCRIPT_DIR=%~dp0
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:: 转换为绝对路径
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for %%i in ("%WASM_FILE%") do set WASM_FILE_ABS=%%~fi
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for %%i in ("%OUTPUT_FILE%") do set OUTPUT_FILE_ABS=%%~fi
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for %%i in ("%OUTPUT_FILE_ABS%") do set OUTPUT_DIR=%%~dpi
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:: 检查输入文件是否存在
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if not exist "%WASM_FILE_ABS%" (
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echo 错误: WASM 文件不存在: %WASM_FILE_ABS%
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goto :error
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)
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:: 创建输出目录（如果不存在）
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if not exist "%OUTPUT_DIR%" (
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echo 创建输出目录: %OUTPUT_DIR%
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mkdir "%OUTPUT_DIR%"
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)
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echo 输入文件: %WASM_FILE_ABS%
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echo 输出文件: %OUTPUT_FILE_ABS%
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echo.
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:: 检查 Emscripten 环境
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call emcc --version >nul 2>&1
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if %errorlevel% neq 0 (
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echo Emscripten 环境未设置，尝试自动设置...
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if exist "%SCRIPT_DIR%emsdk\emsdk_env.bat" (
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echo 运行 Emscripten 环境设置...
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call "%SCRIPT_DIR%emsdk\emsdk_env.bat"
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call emcc --version >nul 2>&1
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if %errorlevel% neq 0 (
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echo 错误: 无法设置 Emscripten 环境
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echo 请先运行 install.bat 安装 Emscripten，或手动运行 setup-env.bat
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goto :error
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)
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) else (
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echo 错误: 未找到 Emscripten 安装
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echo 请先运行 install.bat 安装 Emscripten
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goto :error
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)
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)
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echo Emscripten 版本信息:
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call emcc --version | findstr "emcc"
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echo.
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echo 开始转换 WASM 到 asm.js...
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:: 使用 emcc 将 WASM 转换为 asm.js
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:: 关键参数说明:
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:: -s WASM=0 : 禁用 WebAssembly，生成 asm.js
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:: -s LEGACY_VM_SUPPORT=1 : 支持较老的 JavaScript 引擎
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:: -s ALLOW_MEMORY_GROWTH=1 : 允许内存增长
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:: -s NO_EXIT_RUNTIME=1 : 不退出运行时
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:: -s EXPORTED_FUNCTIONS=["_main"] : 导出函数（根据需要调整）
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:: -s MODULARIZE=1 : 生成模块化代码
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:: -s EXPORT_NAME="Module" : 导出模块名
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:: -O3 : 最高优化级别
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call emcc "%WASM_FILE_ABS%" ^
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-s WASM=0 ^
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-s LEGACY_VM_SUPPORT=1 ^
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-s ALLOW_MEMORY_GROWTH=1 ^
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-s NO_EXIT_RUNTIME=1 ^
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-s MODULARIZE=1 ^
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-s EXPORT_NAME="PinballModule" ^
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-s EXPORTED_RUNTIME_METHODS="['ccall','cwrap']" ^
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-O3 ^
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--closure 0 ^
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-o "%OUTPUT_FILE_ABS%"
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if %errorlevel% neq 0 (
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echo 错误: 转换失败
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goto :error
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)
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echo.
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echo ========================================
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echo 转换成功！
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echo ========================================
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echo.
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echo 输出文件: %OUTPUT_FILE_ABS%
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:: 显示文件大小
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for %%A in ("%OUTPUT_FILE_ABS%") do (
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set file_size=%%~zA
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set /a size_kb=!file_size!/1024
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echo 文件大小: !size_kb! KB
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)
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echo.
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echo 使用方法:
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echo 在 HTML 中引入生成的 JS 文件，然后使用:
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echo PinballModule().then(function(Module) {
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echo // 使用 Module.ccall 调用导出的函数
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echo var result = Module.ccall('function_name', 'number', ['number'], [42]);
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echo });
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echo.
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goto :end
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:error
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echo.
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echo 转换失败！
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exit /b 1
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:end
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pause
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