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https://github.com/HMCL-dev/HMCL.git
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引导用户下载 Java (#1659)
* Direct users to download Java * Read JVM options from environment variables
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Glavo
GitHub
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c6a5624708
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@ -78,6 +78,7 @@ bool FindJavaInRegistry(std::wstring& path) {
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}
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bool FindJava(std::wstring& path) {
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return FindJavaInRegistry(path) ||
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ERROR_SUCCESS == MyGetEnvironmentVariable(L"JAVA_HOME", path);
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return ERROR_SUCCESS == MyGetEnvironmentVariable(L"HMCL_JAVA_HOME", path) ||
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ERROR_SUCCESS == MyGetEnvironmentVariable(L"JAVA_HOME", path) ||
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FindJavaInRegistry(path);
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}
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@ -1,8 +1,12 @@
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#pragma once
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#define ERROR_PROMPT L"Java installation cannot be found in this computer,\n"\
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L"please download it from %s.\n"\
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L"Click 'OK' to go to the download page."
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#define ERROR_TITLE L"Java not found"
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#define ERROR_PROMPT_ZH L"未能在这台电脑上找到 Java，请从 %s 下载安装 Java。\n"\
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L"点击“确定”立即前往下载页面。"
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#define ERROR_TITLE_ZH L"未找到 Java"
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#define ERROR_PROMPT L"The Java runtime environment is required to run HMCL and Minecraft,\n"\
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L"Click 'OK' to start downloading java.\n"\
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L"Please restart HMCL after installing Java."
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#define ERROR_PROMPT_ZH L"运行 HMCL 以及 Minecraft 需要 Java 运行时环境，点击“确定”开始下载。\n"\
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L"请在安装 Java 完成后重新启动 HMCL。"
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@ -16,26 +16,23 @@ LPCWSTR VENDOR_DIRS[] = {
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};
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void RawLaunchJVM(const std::wstring &javaPath, const std::wstring &workdir,
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const std::wstring &jarPath) {
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if (MyCreateProcess(
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L"\"" + javaPath +
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L"\" -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=15 -jar \"" +
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jarPath + L"\"",
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workdir))
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const std::wstring &jarPath, const std::wstring &jvmOptions) {
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if (MyCreateProcess(L"\"" + javaPath + L"\" " + jvmOptions + L" -jar \"" + jarPath + L"\"", workdir))
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exit(EXIT_SUCCESS);
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}
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void LaunchJVM(const std::wstring &javaPath, const std::wstring &workdir,
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const std::wstring &jarPath) {
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const std::wstring &jarPath, const std::wstring &jvmOptions) {
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Version javaVersion(L"");
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if (!MyGetFileVersionInfo(javaPath, javaVersion)) return;
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if (J8 <= javaVersion) {
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RawLaunchJVM(javaPath, workdir, jarPath);
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RawLaunchJVM(javaPath, workdir, jarPath, jvmOptions);
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}
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}
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void FindJavaInDirAndLaunchJVM(const std::wstring &baseDir, const std::wstring &workdir, const std::wstring &jarPath) {
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void FindJavaInDirAndLaunchJVM(const std::wstring &baseDir, const std::wstring &workdir,
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const std::wstring &jarPath, const std::wstring &jvmOptions) {
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std::wstring pattern = baseDir + L"*";
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WIN32_FIND_DATA data;
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@ -45,7 +42,7 @@ void FindJavaInDirAndLaunchJVM(const std::wstring &baseDir, const std::wstring &
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do {
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std::wstring javaw = baseDir + data.cFileName + std::wstring(L"\\bin\\javaw.exe");
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if (FindFirstFileExists(javaw.c_str(), 0)) {
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LaunchJVM(javaw, workdir, jarPath);
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LaunchJVM(javaw, workdir, jarPath, jvmOptions);
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}
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} while (FindNextFile(hFind, &data));
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FindClose(hFind);
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@ -54,7 +51,7 @@ void FindJavaInDirAndLaunchJVM(const std::wstring &baseDir, const std::wstring &
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int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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LPWSTR lpCmdLine, int nCmdShow) {
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std::wstring path, exeName;
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std::wstring path, exeName, jvmOptions;
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// Since Jar file is appended to this executable, we should first get the
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// location of JAR file.
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@ -67,6 +64,10 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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exeName = exeName.substr(last_slash + 1);
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}
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if (ERROR_SUCCESS != MyGetEnvironmentVariable(L"HMCL_JAVA_OPTS", jvmOptions)) {
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jvmOptions = L"-XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=15"; // Default Options
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}
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bool useChinese = GetUserDefaultUILanguage() == 2052; // zh-CN
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OSVERSIONINFOEX osvi;
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@ -94,14 +95,14 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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bool isARM64 = (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_ARM64);
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if (isARM64) {
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RawLaunchJVM(L"jre-arm64\\bin\\javaw.exe", workdir, exeName);
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RawLaunchJVM(L"jre-arm64\\bin\\javaw.exe", workdir, exeName, jvmOptions);
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}
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if (isX64) {
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RawLaunchJVM(L"jre-x64\\bin\\javaw.exe", workdir, exeName);
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RawLaunchJVM(L"jre-x64\\bin\\javaw.exe", workdir, exeName, jvmOptions);
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}
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RawLaunchJVM(L"jre-x86\\bin\\javaw.exe", workdir, exeName);
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RawLaunchJVM(L"jre-x86\\bin\\javaw.exe", workdir, exeName, jvmOptions);
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if (FindJava(path)) LaunchJVM(path + L"\\bin\\javaw.exe", workdir, exeName);
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if (FindJava(path)) LaunchJVM(path + L"\\bin\\javaw.exe", workdir, exeName, jvmOptions);
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std::wstring programFiles;
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@ -112,7 +113,7 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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MyPathAppend(dir, vendorDir);
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MyPathAddBackslash(dir);
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FindJavaInDirAndLaunchJVM(dir, workdir, exeName);
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FindJavaInDirAndLaunchJVM(dir, workdir, exeName, jvmOptions);
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}
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// Consider C:\Program Files (x86)
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@ -122,11 +123,11 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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MyPathAppend(dir, vendorDir);
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MyPathAddBackslash(dir);
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FindJavaInDirAndLaunchJVM(dir, workdir, exeName);
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FindJavaInDirAndLaunchJVM(dir, workdir, exeName, jvmOptions);
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}
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// Try java in PATH
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RawLaunchJVM(L"javaw", workdir, exeName);
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RawLaunchJVM(L"javaw", workdir, exeName, jvmOptions);
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std::wstring hmclJavaDir;
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{
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@ -134,7 +135,9 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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if (SUCCEEDED(MySHGetFolderPath(CSIDL_APPDATA, buffer)) || SUCCEEDED(MySHGetFolderPath(CSIDL_PROFILE, buffer))) {
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MyPathAppend(buffer, L".hmcl");
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MyPathAppend(buffer, L"java");
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if (isX64) {
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if (isARM64) {
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MyPathAppend(buffer, L"windows-arm64");
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} else if (isX64) {
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MyPathAppend(buffer, L"windows-x86_64");
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} else {
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MyPathAppend(buffer, L"windows-x86");
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@ -145,67 +148,25 @@ int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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}
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if (!hmclJavaDir.empty()) {
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FindJavaInDirAndLaunchJVM(hmclJavaDir, workdir, exeName);
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if (isWin7OrLater) {
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HRSRC scriptFileResource = FindResource(NULL, MAKEINTRESOURCE(ID_SCRIPT_DOWNLOAD_JAVA), RT_RCDATA);
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if (!scriptFileResource) goto error;
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HGLOBAL scriptHandle = LoadResource(NULL, scriptFileResource);
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DWORD dataSize = SizeofResource(NULL, scriptFileResource);
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void *data = LockResource(scriptHandle);
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std::wstring tempScriptPath;
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if (ERROR_SUCCESS != MyGetTempFile(L"hmcl-download-java-", L"ps1", tempScriptPath)) goto error;
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HANDLE hFile;
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DWORD dwBytesWritten = 0;
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BOOL bErrorFlag = FALSE;
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hFile = CreateFile(tempScriptPath.c_str(), GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile == INVALID_HANDLE_VALUE) goto error;
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bErrorFlag = WriteFile(hFile, data, dataSize, &dwBytesWritten, NULL);
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if (FALSE == bErrorFlag || dwBytesWritten != dataSize) goto error;
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CloseHandle(hFile);
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std::wstring commandLineBuffer;
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commandLineBuffer += L"powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -File ";
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MyAppendPathToCommandLine(commandLineBuffer, tempScriptPath);
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commandLineBuffer += L" -JavaDir ";
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MyAppendPathToCommandLine(commandLineBuffer, hmclJavaDir);
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commandLineBuffer += L" -Arch ";
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if (isX64) {
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commandLineBuffer += L"x86-64";
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} else {
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commandLineBuffer += L"x86";
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}
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STARTUPINFO si;
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PROCESS_INFORMATION pi;
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si.cb = sizeof(si);
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ZeroMemory(&si, sizeof(si));
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ZeroMemory(&pi, sizeof(pi));
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if (!CreateProcess(NULL, &commandLineBuffer[0], NULL, NULL, false, NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi)) goto error;
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WaitForSingleObject(pi.hProcess, INFINITE);
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DeleteFile(tempScriptPath.c_str());
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// Try starting again after installing Java
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FindJavaInDirAndLaunchJVM(hmclJavaDir, workdir, exeName);
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}
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FindJavaInDirAndLaunchJVM(hmclJavaDir, workdir, exeName, jvmOptions);
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}
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error:
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LPCWSTR downloadLink = isWin7OrLater && (isX64 || isARM64) ? L"https://www.microsoft.com/openjdk" : L"https://java.com";
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LPCWSTR downloadLink;
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WCHAR errorPrompt[180];
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{
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LPCWSTR errorPromptFormat = useChinese ? ERROR_PROMPT_ZH : ERROR_PROMPT;
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wsprintf(errorPrompt, errorPromptFormat, downloadLink);
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if (isWin7OrLater) {
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if (isARM64) {
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downloadLink = L"https://aka.ms/download-jdk/microsoft-jdk-17-windows-aarch64.msi";
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} if (isX64) {
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downloadLink = L"https://aka.ms/download-jdk/microsoft-jdk-17-windows-x64.msi";
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} else {
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downloadLink = L"https://download.bell-sw.com/java/17.0.4.1+1/bellsoft-jre17.0.4.1+1-windows-i586-full.msi";
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}
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} else {
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downloadLink = L"https://www.java.com";
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}
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if (IDOK == MessageBox(NULL, errorPrompt, L"Error", MB_ICONERROR | MB_OKCANCEL)) {
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if (IDOK == MessageBox(NULL, useChinese ? ERROR_PROMPT_ZH : ERROR_PROMPT, useChinese ? ERROR_TITLE_ZH : ERROR_TITLE, MB_ICONWARNING | MB_OKCANCEL)) {
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ShellExecute(0, 0, downloadLink, 0, 0, SW_SHOW);
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}
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return 1;
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