bool
EventQueue::Wait(Event &event)
{
ScopeLock protect(mutex);
if (quit)
return false;
if (events.empty())
now_us = MonotonicClockUS();
while (events.empty()) {
if (Generate(event))
return true;
const int64_t timeout_us = timers.GetTimeoutUS(now_us);
if (timeout_us < 0)
cond.wait(mutex);
else
cond.timed_wait(mutex, (timeout_us + 999) / 1000);
now_us = MonotonicClockUS();
}
event = events.front();
events.pop();
return true;
}
bool
EventQueue::Wait(Event &event)
{
/* this busy loop is ugly, and I wish we could do better than that,
but SDL_WaitEvent() is just as bad; however copying this busy
loop allows us to plug in more event sources */
while (true) {
if (Generate(event))
return true;
::SDL_PumpEvents();
#if SDL_VERSION_ATLEAST(1,3,0)
int result = ::SDL_PeepEvents(&event.event, 1,
SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT);
#else
int result = ::SDL_PeepEvents(&event.event, 1,
SDL_GETEVENT, SDL_ALLEVENTS);
#endif
if (result != 0)
return result > 0;
Sleep(10);
now_us = MonotonicClockUS();
}
}
void
EventQueue::AddTimer(Timer &timer, unsigned ms)
{
ScopeLock protect(mutex);
timers.Add(timer, MonotonicClockUS() + ms * 1000);
}
EventQueue::EventQueue()
:now_us(MonotonicClockUS()) {}
EventQueue::EventQueue()
:now_us(MonotonicClockUS()),
quit(false) {}
void MapWindow::RenderMapWindowBg(LKSurface& Surface, const RECT& rc) {
if ( (LKSurface::AlphaBlendSupported() && BarOpacity < 100) || mode.AnyPan() ) {
RECT newRect = {0, 0, ScreenSizeX, ScreenSizeY};
MapWindow::ChangeDrawRect(newRect);
} else {
RECT newRect = {0, 0, ScreenSizeX, ScreenSizeY - BottomSize - (ScreenSizeY-MapRect.bottom)-1};
MapWindow::ChangeDrawRect(newRect);
}
if (QUICKDRAW) {
goto _skip_calcs;
}
// Here we calculate arrival altitude, GD etc for map waypoints. Splitting with multicalc will result in delayed
// updating of visible landables, for example. The nearest pages do this separately, with their own sorting.
// Basically we assume -like for nearest- that values will not change that much in the multicalc split time.
// Target and tasks are recalculated in real time in any case. Nearest too.
LKCalculateWaypointReachable(false);
_skip_calcs:
if (PGZoomTrigger) {
if (!mode.Is(Mode::MODE_PANORAMA)) {
mode.Special(Mode::MODE_SPECIAL_PANORAMA, true);
LastZoomTrigger = DrawInfo.Time;
Message::AddMessage(1000, 3, MsgToken(872)); // LANDSCAPE ZOOM FOR 20s
LKSound(TEXT("LK_TONEUP.WAV"));
} else {
// previously called, see if time has passed
if (DrawInfo.Time > (LastZoomTrigger + 20.0)) {
// time has passed, lets go back
LastZoomTrigger = 0; // just for safety
mode.Special(Mode::MODE_SPECIAL_PANORAMA, false);
PGZoomTrigger = false;
Message::AddMessage(1500, 3, MsgToken(873)); // BACK TO NORMAL ZOOM
LKSound(TEXT("LK_TONEDOWN.WAV"));
}
}
}
//
// "Checkpoint Charlie"
// This is were we process stuff for anything else but main map.
// We let the calculations run also for MapSpace modes.
// But for multimaps, we can also draw some more stuff..
// We are also sent back here from next code, when we detect that
// the MapSpace mode has changed from MAP to something else while we
// were rendering.
//
QuickRedraw:
//
if (DONTDRAWTHEMAP) {
const bool isMultimap = IsMultiMapShared(); // DrawMapSpace can change "MapSpaceMode", get this before.
DrawMapSpace(Surface, rc);
// Is this a "shared map" environment?
if (isMultimap) {
// Shared map, of course not MSN_MAP, since dontdrawthemap was checked
//
if (IsMultimapOverlaysGauges()) {
RenderOverlayGauges(Surface, rc);
}
if (IsMultimapOverlaysText()) {
DrawLook8000(Surface, rc);
}
} else {
// Not in map painting environment
// ex. nearest pages, but also MAPRADAR..
}
//
DrawBottomBar(Surface, rc);
#ifdef DRAWDEBUG
DrawDebug(hdc, rc);
#endif
// no need to do SelectObject as at the bottom of function
return;
}
POINT Orig, Orig_Aircraft;
CalculateOrigin(rc, &Orig);
const ScreenProjection _Proj = CalculateScreenPositions(Orig, rc, &Orig_Aircraft);
// When no terrain is painted, set a background0
// Remember that in this case we have plenty of cpu time to spend for best result
if (!IsMultimapTerrain() || !DerivedDrawInfo.TerrainValid || !RasterTerrain::isTerrainLoaded()) {
// We force LK painting black values on screen depending on the background color in use
// TODO make it an array once settled
// blackscreen would force everything to be painted white, instead
LKTextBlack = BgMapColorTextBlack[BgMapColor];
if (BgMapColor > 6) BlackScreen = true;
else BlackScreen = false;
} else {
LKTextBlack = false;
BlackScreen = false;
}
// Logic of DONTDRAWTHEMAP is the following:
// We are rendering the screen page here. If we are here, we passed Checkpoint Charlie.
// So we were, at charlie, in MSM_MAP: preparing the main map stuff.
// If we detect that MapSpace has CHANGED while we were doing our job here,
// it means that the user has clicked meanwhile. He desires another page, so let's
// reset our intentions and go back to beginning, or nearby..
// We have a new job to do, for another MapSpace, no more MAP.
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
bool terrainpainted = false;
if ((IsMultimapTerrain() && (DerivedDrawInfo.TerrainValid)
&& RasterTerrain::isTerrainLoaded())
) {
// sunelevation is never used, it is still a todo in Terrain
double sunelevation = 40.0;
double sunazimuth = GetAzimuth();
LockTerrainDataGraphics();
if (DONTDRAWTHEMAP) { // 100318
UnlockTerrainDataGraphics();
goto QuickRedraw;
}
if (!DrawTerrainTimer) {
uint64_t tstime=MonotonicClockUS();
if(DrawTerrain(Surface, DrawRect, _Proj, sunazimuth, sunelevation)) {
if (!DrawTerrainTimer) {
DrawTerrainTimer=MonotonicClockUS()-tstime;
#ifdef TESTBENCH
StartupStore(_T("... First full terrain rendering, time spent=%u.%u ms\n"),DrawTerrainTimer/1000, DrawTerrainTimer%1000);
#endif
}
terrainpainted = true;
}
} else {
if(DrawTerrain(Surface, DrawRect, _Proj, sunazimuth, sunelevation)) {
terrainpainted = true;
}
}
if (DONTDRAWTHEMAP) {
UnlockTerrainDataGraphics();
goto QuickRedraw;
}
if (!QUICKDRAW) {
// SHADED terrain unreachable, aka glide amoeba. This is not the outlined perimeter!
if (((FinalGlideTerrain == 2) || (FinalGlideTerrain == 4)) && DerivedDrawInfo.TerrainValid) {
DrawTerrainAbove(Surface, DrawRect);
}
}
UnlockTerrainDataGraphics();
}
//
// REMINDER: WE ARE IN MAIN MAP HERE: MSM_MAP ONLY, OR PANNING MODE!
// MAPSPACEMODE CAN STILL CHANGE, DUE TO USER INPUT. BUT WE GOT HERE IN
// EITHER PAN OR MSM_MAP.
//
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
if(!terrainpainted) {
// fill background..
Surface.FillRect(&rc, hInvBackgroundBrush[BgMapColor]);
}
if (IsMultimapTopology()) {
DrawTopology(Surface, DrawRect, _Proj);
} else {
// If no topology wanted, but terrain painted, we paint only water stuff
if (terrainpainted) DrawTopology(Surface, DrawRect, _Proj, true);
}
#if 0
StartupStore(_T("... Experimental1=%.0f\n"), Experimental1);
StartupStore(_T("... Experimental2=%.0f\n"), Experimental2);
Experimental1 = 0.0;
Experimental2 = 0.0;
#endif
// Topology labels are printed first, using OLD wps positions from previous run!
// Reset for topology labels decluttering engine occurs also in another place here!
ResetLabelDeclutter();
if ((Flags_DrawTask || TargetDialogOpen) && ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) {
DrawTaskAAT(Surface, DrawRect);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
if (IsMultimapAirspace()) {
DrawAirSpace(Surface, rc, _Proj);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
// In QUICKDRAW dont draw trail, thermals, glide terrain
if (QUICKDRAW) {
goto _skip_stuff;
}
DrawThermalEstimate(Surface, DrawRect, _Proj);
if (OvertargetMode == OVT_THER) DrawThermalEstimateMultitarget(Surface, DrawRect, _Proj);
// draw red cross on glide through terrain marker
if (FinalGlideTerrain && DerivedDrawInfo.TerrainValid) {
DrawGlideThroughTerrain(Surface, DrawRect, _Proj);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
_skip_stuff:
if (IsMultimapAirspace() && AirspaceWarningMapLabels) {
DrawAirspaceLabels(Surface, DrawRect, _Proj, Orig_Aircraft);
if (DONTDRAWTHEMAP) { // 100319
goto QuickRedraw;
}
}
if (IsMultimapWaypoints()) {
DrawWaypointsNew(Surface, DrawRect, _Proj);
}
if (TrailActive) {
LKDrawLongTrail(Surface, DrawRect, _Proj);
LKDrawTrail(Surface, DrawRect, _Proj);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
if ((Flags_DrawTask || TargetDialogOpen) && ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) {
DrawTask(Surface, DrawRect, _Proj, Orig_Aircraft);
}
if (Flags_DrawFAI) {
if (MapWindow::DerivedDrawInfo.Flying) { // FAI optimizer does not depend on tasks, being based on trace
DrawFAIOptimizer(Surface, DrawRect, _Proj, Orig_Aircraft);
} else { // not flying => show FAI sectors for the task
if (ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) {
DrawTaskSectors(Surface, DrawRect, _Proj);
}
}
}
// In QUICKDRAW do not paint other useless stuff
if (QUICKDRAW) {
if (extGPSCONNECT) DrawBearing(Surface, DrawRect, _Proj);
goto _skip_2;
}
// ---------------------------------------------------
DrawTeammate(Surface, rc, _Proj);
if (extGPSCONNECT) {
DrawBestCruiseTrack(Surface, Orig_Aircraft);
DrawBearing(Surface, DrawRect, _Proj);
}
// draw wind vector at aircraft
if (NOTANYPAN) {
DrawWindAtAircraft2(Surface, Orig_Aircraft, DrawRect);
} else if (mode.Is(Mode::MODE_TARGET_PAN)) {
DrawWindAtAircraft2(Surface, Orig, rc);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
// Draw traffic and other specifix LK gauges
LKDrawFLARMTraffic(Surface, DrawRect, _Proj, Orig_Aircraft);
// ---------------------------------------------------
_skip_2:
if (NOTANYPAN) {
if (IsMultimapOverlaysGauges()) {
RenderOverlayGauges(Surface, rc);
}
if (TrackBar) {
DrawHeading(Surface, Orig, DrawRect);
if (ISGAAIRCRAFT) {
DrawFuturePos(Surface, Orig, DrawRect);
}
}
if (ISGAAIRCRAFT) {
DrawHSIarc(Surface, Orig, DrawRect);
}
if (IsMultimapOverlaysText()) {
DrawLook8000(Surface, rc);
}
DrawBottomBar(Surface, rc);
}
if (DONTDRAWTHEMAP) {
goto QuickRedraw;
}
// Draw glider or paraglider
if (extGPSCONNECT) {
DrawAircraft(Surface, Orig_Aircraft);
}
#if USETOPOMARKS
// marks on top...
DrawMarks(hdc, rc);
#endif
if (!INPAN) {
DrawMapScale(Surface, rc, zoom.BigZoom()); // unused BigZoom
DrawCompass(Surface, rc, DisplayAngle);
}
#ifdef DRAWDEBUG
DrawDebug(hdc, rc);
#endif
}
EventQueue::EventQueue()
:now_us(MonotonicClockUS()),
running(true) {}
