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Overhaul the windows BASE path

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Look for "base" next to the binary first, then the vanilla
doom3 path (written to the registry by the original installer).
This commit is contained in:
dhewg 2012-07-05 19:10:18 +02:00
parent f6c0e2a174
commit 571f6b3d3b
1 changed files with 50 additions and 3 deletions

53
neo/sys/win32/win_main.cpp
View file

@ -258,7 +258,6 @@ static int WPath2A(char *dst, size_t size, const WCHAR *src) {
return 0;
dst[len] = 0;
/* Replace backslashes by slashes */
for (int i = 0; i < len; ++i)
if (dst[i] == '\\')
@ -301,13 +300,61 @@ static int GetHomeDir(char *dst, size_t size)
return len;
}
static int GetRegistryPath(char *dst, size_t size, const WCHAR *subkey, const WCHAR *name) {
WCHAR w[MAX_OSPATH];
DWORD len = sizeof(w);
HKEY res;
DWORD sam = KEY_QUERY_VALUE
#ifdef _WIN64
| KEY_WOW64_32KEY
#endif
;
DWORD type;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, subkey, 0, sam, &res) != ERROR_SUCCESS)
return 0;
if (RegQueryValueExW(res, name, NULL, &type, (LPBYTE)w, &len) != ERROR_SUCCESS) {
RegCloseKey(res);
return 0;
}
RegCloseKey(res);
if (type != REG_SZ)
return 0;
return WPath2A(dst, size, w);
}
bool Sys_GetPath(sysPath_t type, idStr &path) {
char buf[MAX_OSPATH];
struct _stat st;
idStr s;
switch(type) {
case PATH_BASE:
path = Sys_Cwd();
return true;
// try <path to exe>/base first
if (Sys_GetPath(PATH_EXE, path)) {
path.StripFilename();
s = path;
s.AppendPath(BASE_GAMEDIR);
if (_stat(s.c_str(), &st) != -1 && st.st_mode & _S_IFDIR)
return true;
common->Warning("base path '%s' does not exits", s.c_str());
}
// fallback to vanilla doom3 install
if (GetRegistryPath(buf, sizeof(buf), L"SOFTWARE\\id\\Doom 3", L"InstallPath") > 0) {
path = buf;
return true;
}
common->Warning("vanilla doom3 path not found");
return false;
case PATH_CONFIG:
case PATH_SAVE: