// Scene Management is able to switch between scenes
// and have several scene's running in parallel
void KX_KetsjiEngine::AddScene(KX_Scene* scene)
{
m_scenes.push_back(scene);
PostProcessScene(scene);
SceneListsChanged();
}
sector_t * FGLRenderer::RenderViewpoint (AActor * camera, GL_IRECT * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen)
{
sector_t * lviewsector;
mSceneClearColor[0] = 0.0f;
mSceneClearColor[1] = 0.0f;
mSceneClearColor[2] = 0.0f;
R_SetupFrame (camera);
SetViewArea();
// We have to scale the pitch to account for the pixel stretching, because the playsim doesn't know about this and treats it as 1:1.
double radPitch = ViewPitch.Normalized180().Radians();
double angx = cos(radPitch);
double angy = sin(radPitch) * glset.pixelstretch;
double alen = sqrt(angx*angx + angy*angy);
mAngles.Pitch = (float)RAD2DEG(asin(angy / alen));
mAngles.Roll.Degrees = ViewRoll.Degrees;
// Scroll the sky
mSky1Pos = (float)fmod(gl_frameMS * level.skyspeed1, 1024.f) * 90.f/256.f;
mSky2Pos = (float)fmod(gl_frameMS * level.skyspeed2, 1024.f) * 90.f/256.f;
if (camera->player && camera->player-players==consoleplayer &&
((camera->player->cheats & CF_CHASECAM) || (r_deathcamera && camera->health <= 0)) && camera==camera->player->mo)
{
mViewActor=NULL;
}
else
{
mViewActor=camera;
}
// 'viewsector' will not survive the rendering so it cannot be used anymore below.
lviewsector = viewsector;
// Render (potentially) multiple views for stereo 3d
float viewShift[3];
const s3d::Stereo3DMode& stereo3dMode = mainview && toscreen? s3d::Stereo3DMode::getCurrentMode() : s3d::Stereo3DMode::getMonoMode();
stereo3dMode.SetUp();
for (int eye_ix = 0; eye_ix < stereo3dMode.eye_count(); ++eye_ix)
{
const s3d::EyePose * eye = stereo3dMode.getEyePose(eye_ix);
eye->SetUp();
SetOutputViewport(bounds);
Set3DViewport(mainview);
mDrawingScene2D = true;
mCurrentFoV = fov;
// Stereo mode specific perspective projection
SetProjection( eye->GetProjection(fov, ratio, fovratio) );
// SetProjection(fov, ratio, fovratio); // switch to perspective mode and set up clipper
SetViewAngle(ViewAngle);
// Stereo mode specific viewpoint adjustment - temporarily shifts global ViewPos
eye->GetViewShift(GLRenderer->mAngles.Yaw.Degrees, viewShift);
s3d::ScopedViewShifter viewShifter(viewShift);
SetViewMatrix(ViewPos.X, ViewPos.Y, ViewPos.Z, false, false);
gl_RenderState.ApplyMatrices();
clipper.Clear();
angle_t a1 = FrustumAngle();
clipper.SafeAddClipRangeRealAngles(ViewAngle.BAMs() + a1, ViewAngle.BAMs() - a1);
ProcessScene(toscreen);
if (mainview && toscreen) EndDrawScene(lviewsector); // do not call this for camera textures.
if (mainview && FGLRenderBuffers::IsEnabled())
{
PostProcessScene();
// This should be done after postprocessing, not before.
mBuffers->BindCurrentFB();
glViewport(mScreenViewport.left, mScreenViewport.top, mScreenViewport.width, mScreenViewport.height);
DrawBlend(lviewsector);
}
mDrawingScene2D = false;
if (!stereo3dMode.IsMono() && FGLRenderBuffers::IsEnabled())
mBuffers->BlitToEyeTexture(eye_ix);
eye->TearDown();
}
stereo3dMode.TearDown();
gl_frameCount++; // This counter must be increased right before the interpolations are restored.
interpolator.RestoreInterpolations ();
return lviewsector;
}
