public static void Update()
{
//TODO: use only for profiling
/*
* long startTime;
* MyWindowsAPIWrapper.QueryPerformanceCounter(out startTime);
*/
bool renderEnviromentMaps = MyRender.EnableLights && MyRender.EnableLightsRuntime && MyRender.EnableSun && (MyRender.EnableEnvironmentMapAmbient || MyRender.EnableEnvironmentMapReflection);
if (!renderEnviromentMaps)
{
return;
}
if (BlendDistance > MainMapMaxDistance)
{
throw new InvalidOperationException("BlendDistance must be lower than MainMapMaxDistance");
}
MyRender.RenderOcclusionsImmediatelly = true;
Vector3 cameraPos = MyCamera.Position;
if (MainMapPosition.HasValue && (cameraPos - MainMapPosition.Value).Length() > InstantRefreshDistance)
{
m_renderInstantly = true;
}
// Makes evironment camera pos 300m in front of real camera
//cameraPos += Vector3.Normalize(MyCamera.ForwardVector) * 300
if (MainMapPosition == null)
{
LastUpdateTime = 0;
MainMapPosition = cameraPos;
m_environmentMapRendererMain.StartUpdate(MainMapPosition.Value, m_renderInstantly);
m_renderInstantly = false;
BlendFactor = 0.0f;
}
else
{
float mainMapDistance = (MainMapPosition.Value - cameraPos).Length();
// When behind blend distance
if (mainMapDistance > BlendDistance)
{
// Create AuxMap if not created
if (AuxMapPosition == null)
{
LastUpdateTime = 0;
AuxMapPosition = cameraPos;
m_environmentMapRendererAux.StartUpdate(AuxMapPosition.Value, m_renderInstantly);
m_renderInstantly = false;
}
// Wait till rendering done before blending
if (m_environmentMapRendererAux.IsDone())
{
// Set proper blend factor
BlendFactor = (mainMapDistance - BlendDistance) / (MainMapMaxDistance - BlendDistance);
}
}
else if ((mainMapDistance + Hysteresis) < BlendDistance)
{
AuxMapPosition = null;
}
// If MainMap should not be even displayed...swap aux and main and display
if (mainMapDistance > MainMapMaxDistance && m_environmentMapRendererAux.IsDone())
{
var tmp = m_environmentMapRendererAux;
m_environmentMapRendererAux = m_environmentMapRendererMain;
m_environmentMapRendererMain = tmp;
MainMapPosition = cameraPos + MyMwcUtils.Normalize(MainMapPosition.Value - cameraPos) * BlendDistance;
AuxMapPosition = null;
BlendFactor = 0.0f;
}
}
m_environmentMapRendererMain.ContinueUpdate();
m_environmentMapRendererAux.ContinueUpdate();
MyRender.RenderOcclusionsImmediatelly = false;
/*
* long frq;
* MyWindowsAPIWrapper.QueryPerformanceFrequency(out frq);
*
* long stopTime;
* MyWindowsAPIWrapper.QueryPerformanceCounter(out stopTime);
*
* float updateTime = ((float)(stopTime - startTime)) / frq * 1000.0f;
* if(updateTime > LastUpdateTime)
* {
* LastUpdateTime = updateTime;
* }
* */
}