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Persist fullscreen setting and start windowed mode maximized

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Save fullscreen toggle state to options.txt when F11 is pressed, and restore it on the next launch. When starting in windowed mode, the window now opens maximized instead of at a smaller default size.

Previously, g_isFullscreen was hardcoded to false and never persisted, so the game always started in windowed mode. The window also started at a non-maximized size requiring manual maximization.

Fixes #391
This commit is contained in:
MCbabel 2026-03-04 18:38:00 +01:00
parent 51eb86ad28
commit 718ee71d1c
1 changed files with 52 additions and 1 deletions
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53
Minecraft.Client/Windows64/Windows64_Minecraft.cpp
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@ -124,6 +124,50 @@ static void CopyWideArgToAnsi(LPCWSTR source, char* dest, size_t destSize)
dest[destSize - 1] = 0; dest[destSize - 1] = 0;
} }
// ---------- Persistent options (options.txt next to exe) ----------
static void GetOptionsFilePath(char *out, size_t outSize)
{
GetModuleFileNameA(NULL, out, (DWORD)outSize);
char *p = strrchr(out, '\\');
if (p) *(p + 1) = '\0';
strncat_s(out, outSize, "options.txt", _TRUNCATE);
}
static void SaveFullscreenOption(bool fullscreen)
{
char path[MAX_PATH];
GetOptionsFilePath(path, sizeof(path));
FILE *f = nullptr;
if (fopen_s(&f, path, "w") == 0 && f)
{
fprintf(f, "fullscreen=%d\n", fullscreen ? 1 : 0);
fclose(f);
}
}
static bool LoadFullscreenOption()
{
char path[MAX_PATH];
GetOptionsFilePath(path, sizeof(path));
FILE *f = nullptr;
if (fopen_s(&f, path, "r") == 0 && f)
{
char line[256];
while (fgets(line, sizeof(line), f))
{
int val = 0;
if (sscanf_s(line, "fullscreen=%d", &val) == 1)
{
fclose(f);
return val != 0;
}
}
fclose(f);
}
return false;
}
// ------------------------------------------------------------------
static void ApplyScreenMode(int screenMode) static void ApplyScreenMode(int screenMode)
{ {
switch (screenMode) switch (screenMode)
@ -664,7 +708,7 @@ BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
return FALSE; return FALSE;
} }
ShowWindow(g_hWnd, nCmdShow); ShowWindow(g_hWnd, (nCmdShow != SW_HIDE) ? SW_SHOWMAXIMIZED : nCmdShow);
UpdateWindow(g_hWnd); UpdateWindow(g_hWnd);
return TRUE; return TRUE;
@ -873,6 +917,7 @@ void ToggleFullscreen()
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED); SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
} }
g_isFullscreen = !g_isFullscreen; g_isFullscreen = !g_isFullscreen;
SaveFullscreenOption(g_isFullscreen);
if (g_KBMInput.IsWindowFocused()) if (g_KBMInput.IsWindowFocused())
g_KBMInput.SetWindowFocused(true); g_KBMInput.SetWindowFocused(true);
@ -1193,6 +1238,12 @@ int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
return 0; return 0;
} }
// Restore fullscreen state from previous session
if (LoadFullscreenOption() && !g_isFullscreen)
{
ToggleFullscreen();
}
if (launchOptions.serverMode) if (launchOptions.serverMode)
{ {
int serverResult = RunHeadlessServer(); int serverResult = RunHeadlessServer();