private bool ProcessEvents(MegaDriveHost host, uint ticks)
{
var quit = false;
while (SDL_PollEvent(out var e) != 0)
{
switch (e.type)
{
case SDL_EventType.SDL_QUIT:
quit = true;
break;
case SDL_EventType.SDL_MOUSEMOTION:
_lastCursorMoveTick = ticks;
break;
case SDL_EventType.SDL_KEYDOWN:
var keysym = e.key.keysym;
switch (keysym.scancode)
{
case SDL_Scancode.SDL_SCANCODE_R:
if ((keysym.mod & SDL_Keymod.KMOD_LCTRL) != 0 ||
(keysym.mod & SDL_Keymod.KMOD_RCTRL) != 0)
{
host.Reset();
}
break;
case SDL_Scancode.SDL_SCANCODE_RETURN:
if (GetKeyState(SDL_Scancode.SDL_SCANCODE_LALT) || GetKeyState(SDL_Scancode.SDL_SCANCODE_RALT))
{
ToggleFullscreen();
}
break;
}
break;
}
}
return(quit);
}
public void Run(Sram sram, MegaDriveHost host, CancellationToken ct = default)
{
InitialiseAudio((int)host.SampleRate);
_host = host;
host.Client = this;
var tickWait = (uint)Math.Floor(1000.0 / host.FPS);
var lastTicks = 0U;
var lastRefreshVideo = 0U;
var quit = false;
var ff = false;
while (!quit && !ct.IsCancellationRequested)
{
var ticks = SDL_GetTicks();
var diff = ticks - lastTicks;
if (diff >= tickWait || ff)
{
lastTicks = ticks;
if (!ff || ticks > lastRefreshVideo + 30)
{
RefreshVideo = true;
lastRefreshVideo = ticks;
}
else
{
RefreshVideo = false;
}
if (_lastCursorMoveTick + CURSOR_HIDE_DELAY < ticks)
{
SDL_ShowCursor(0);
}
else
{
SDL_ShowCursor(1);
}
if (_lastControllerCheck + CONTROLLER_CHECK_INTERVAL < ticks)
{
_lastControllerCheck = ticks;
RecheckControllers();
}
if (_lastSramSaveTick + SRAM_SAVE_INTERVAL < ticks)
{
_lastSramSaveTick = ticks;
if (sram.Update())
{
sram.Save();
}
}
SDL_PumpEvents();
UpdateKeyboardState();
OnUpdate();
ff = FastForward || GetKeyState(SDL_Scancode.SDL_SCANCODE_BACKSPACE);
if (ff)
{
SDL_ClearQueuedAudio(_audioDevice);
}
quit = ProcessEvents(host, ticks);
}
else
{
SDL_Delay(tickWait - diff);
}
}
}
public Sram(MegaDriveHost host, string path)
{
_host = host;
_path = path;
}
