73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
#include <process.h>
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#include <windows.h>
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static BOOL is_running_on_wine() {
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static const char *(CDECL *pwine_get_version)(void);
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HMODULE hntdll = GetModuleHandle("ntdll.dll");
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if(!hntdll)
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return FALSE;
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pwine_get_version = (void *)GetProcAddress(hntdll, "wine_get_version");
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return !!pwine_get_version;
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}
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static LPCWSTR launch_via_steam_posix() {
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const char* argv[] = { "/bin/sh", "-c", "\"steam -applaunch 975370\"", NULL };
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// does not return on success
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_execv(argv[0], argv);
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return L"Could not launch Dwarf Fortress";
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}
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static LPCWSTR launch_via_steam_windows() {
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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ZeroMemory(&si, sizeof(si));
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si.cb = sizeof(si);
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ZeroMemory(&pi, sizeof(pi));
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WCHAR steamPath[1024];
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DWORD datasize = 1024;
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LONG retCode = RegGetValueW(HKEY_CURRENT_USER, L"SOFTWARE\\Valve\\Steam",
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L"SteamExe", RRF_RT_REG_SZ, NULL, &steamPath, &datasize);
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if (retCode != ERROR_SUCCESS)
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return L"Could not find Steam client executable";
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WCHAR commandLine[1024] = L"steam.exe -applaunch 975370";
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if (CreateProcessW(steamPath, commandLine,
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NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi) == 0)
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return L"Could not launch Dwarf Fortress";
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return NULL;
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}
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// this method doesn't properly attribute Steam playtime metrics to DF,
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// but that's better than not having DF start at all.
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static BOOL launch_direct() {
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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ZeroMemory(&si, sizeof(si));
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si.cb = sizeof(si);
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ZeroMemory(&pi, sizeof(pi));
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return CreateProcessW(L"Dwarf Fortress.exe",
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NULL, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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}
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int WINAPI wWinMain(HINSTANCE hi, HINSTANCE hpi, PWSTR cmd, int ns) {
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LPCWSTR err = is_running_on_wine() ? launch_via_steam_posix() : launch_via_steam_windows();
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if (err && !launch_direct()) {
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MessageBoxW(NULL, err, NULL, 0);
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exit(1);
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}
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exit(0);
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}
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