dfhack/package/windows/launchdf.c

73 lines
1.9 KiB
C

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