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Tightened the compatibility mode check (again)

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(OS check is now limited to unsupported Windows versions.)
This commit is contained in:
NovaRain
2025-04-04 15:22:36 +08:00
parent 3476a27a54
commit 114e9d8ae6
1 changed files with 5 additions and 10 deletions
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sfall/main.cpp
+5 -10
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@@ -187,21 +187,16 @@ static void CompatModeCheck(HKEY root, const char* filepath, int extra) {
DWORD type;
if (!RegOpenKeyExA(root, "Software\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Layers", 0, extra | STANDARD_RIGHTS_READ | KEY_QUERY_VALUE, &key)) {
if (!RegQueryValueExA(key, filepath, 0, &type, (BYTE*)buf, &size)) {
if (size >= MAX_PATH) {
size = MAX_PATH - 1; // prevent overflow
}
if (size >= MAX_PATH) size = MAX_PATH - 1; // prevent overflow
buf[size] = '\0'; // null-terminate the buffer
if (size && (type == REG_EXPAND_SZ || type == REG_MULTI_SZ || type == REG_SZ)) {
char* pos = strstr(buf, "DISABLEDXMAXIMIZEDWINDOWEDMODE"); // "Disable fullscreen optimizations" in Win10
if (pos) std::memmove(pos, pos + 30, strlen(pos + 30) + 1); // remove the substring
if (strstr(buf, "256COLOR") || strstr(buf, "640X480") || strstr(buf, "WIN") || strstr(buf, "NT4") || strstr(buf, "VISTA")) {
if (strstr(buf, "256COLOR") || strstr(buf, "640X480") || strstr(buf, "WIN9") || strstr(buf, "NT4")) {
RegCloseKey(key);
MessageBoxA(0, "Fallout appears to be running in compatibility mode.\n" //, and sfall was not able to disable it.\n"
"Please check the compatibility tab of fallout2.exe, and ensure that the following settings are unchecked:\n"
"Run this program in compatibility mode for..., run in 256 colors, and run in 640x480 resolution.\n"
MessageBoxA(0, "Fallout appears to be running in unsupported compatibility mode.\n" //, and sfall was not able to disable it.\n"
"Please check the compatibility tab of fallout2.exe and ensure the following settings are not selected:\n"
"Run this program in compatibility mode for Win9x/NT4, run in 256 colors, and run in 640x480 resolution.\n"
"If these options are disabled, click the 'change settings for all users' button and see if that enables them.", 0, MB_TASKMODAL | MB_ICONERROR);
ExitProcess(-1);