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GTK and Windows appear to handle timers very differently:

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specifically, the elapsed time between calls varies much more with
GTK than it does under Windows. Therefore, I now take my own time
readings on every timer call, and this appears to have made the
animations run at closer to the same speed between platforms. Having
done that, I decided some of them were at the _wrong_ speed, and
fiddled with each game's timings as well.

[originally from svn r4189]
This commit is contained in:
Simon Tatham
2004-05-03 09:43:08 +00:00
parent 2d1d54b96b
commit ccbf3ca6f1
6 changed files with 33 additions and 13 deletions
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14
windows.c
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@ -88,6 +88,7 @@ struct frontend {
HPEN *pens;
HRGN clip;
UINT timer;
DWORD timer_last_tickcount;
int npresets;
game_params **presets;
struct font *fonts;
@ -302,7 +303,10 @@ void deactivate_timer(frontend *fe)
void activate_timer(frontend *fe)
{
fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL);
if (!fe->timer) {
fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL);
fe->timer_last_tickcount = GetTickCount();
}
}
static frontend *new_window(HINSTANCE inst)
@ -942,8 +946,12 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
PostQuitMessage(0);
return 0;
case WM_TIMER:
if (fe->timer)
midend_timer(fe->me, (float)0.02);
if (fe->timer) {
DWORD now = GetTickCount();
float elapsed = (float) (now - fe->timer_last_tickcount) * 0.001F;
midend_timer(fe->me, elapsed);
fe->timer_last_tickcount = now;
}
return 0;
}