//----------------------------------------------------------------------------
// WndProc: Intercepts window events before passing them on to the game.
//----------------------------------------------------------------------------
static LONG WINAPI Direct3DWndProc (
HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
switch (uMsg)
{
case WM_DESTROY:
// If our window was closed, lose our cached handle
if (hWnd == g_hWnd) {
g_hWnd = NULL;
}
// We want to pass this message on to the MainWndProc
break;
case WM_SIZE:
// @pjb: todo: recreate swapchain?
// @pjb: actually f**k that. disable window sizing.
break;
default:
break;
}
return MainWndProc( hWnd, uMsg, wParam, lParam );
}
static ALERROR MainLoop(void)
// MainLoop
//
// Manage SDL events.
{
SDL_Event evt;
DWORD dwNow;
DWORD dwNextFrame;
DWORD dwStartTime = SDL_GetTicks();
while(g_Running)
{
dwNextFrame = dwStartTime + FRAME_DELAY;
// Render the screen.
g_pTrans->Animate();
while (SDL_PollEvent(&evt))
{
if (MainWndProc(g_pTrans, &evt))
{
return NOERROR;
}
}
// Stall for VSYNC.
dwNow = SDL_GetTicks();
if (dwNextFrame > dwNow)
{
SDL_Delay(dwNextFrame - dwNow);
dwStartTime = dwNextFrame;
}
else
{
dwStartTime = dwNow;
}
}
return NOERROR;
}
