void Camera::Reset() {
Point tempP(0, 0, DEFAULT_FOCUS_LENGTH);
Vector tempP2(0, 0, 0);
Vector tempV(0, 1, 0);
Orient(tempP, tempP2 , tempV);
SetViewAngle(VIEW_ANGLE);
SetNearPlane(NEAR_PLANE);
SetFarPlane(FAR_PLANE);
m_screenWidthRatio = 1.0f;
}
void
View3DAttributes::SetFromNode(DataNode *parentNode)
{
if(parentNode == 0)
return;
DataNode *searchNode = parentNode->GetNode("View3DAttributes");
if(searchNode == 0)
return;
DataNode *node;
if((node = searchNode->GetNode("viewNormal")) != 0)
SetViewNormal(node->AsDoubleArray());
if((node = searchNode->GetNode("focus")) != 0)
SetFocus(node->AsDoubleArray());
if((node = searchNode->GetNode("viewUp")) != 0)
SetViewUp(node->AsDoubleArray());
if((node = searchNode->GetNode("viewAngle")) != 0)
SetViewAngle(node->AsDouble());
if((node = searchNode->GetNode("parallelScale")) != 0)
SetParallelScale(node->AsDouble());
if((node = searchNode->GetNode("nearPlane")) != 0)
SetNearPlane(node->AsDouble());
if((node = searchNode->GetNode("farPlane")) != 0)
SetFarPlane(node->AsDouble());
if((node = searchNode->GetNode("imagePan")) != 0)
SetImagePan(node->AsDoubleArray());
if((node = searchNode->GetNode("imageZoom")) != 0)
SetImageZoom(node->AsDouble());
if((node = searchNode->GetNode("perspective")) != 0)
SetPerspective(node->AsBool());
if((node = searchNode->GetNode("eyeAngle")) != 0)
SetEyeAngle(node->AsDouble());
if((node = searchNode->GetNode("centerOfRotationSet")) != 0)
SetCenterOfRotationSet(node->AsBool());
if((node = searchNode->GetNode("centerOfRotation")) != 0)
SetCenterOfRotation(node->AsDoubleArray());
if((node = searchNode->GetNode("axis3DScaleFlag")) != 0)
SetAxis3DScaleFlag(node->AsBool());
if((node = searchNode->GetNode("axis3DScales")) != 0)
SetAxis3DScales(node->AsDoubleArray());
if((node = searchNode->GetNode("shear")) != 0)
SetShear(node->AsDoubleArray());
if((node = searchNode->GetNode("windowValid")) != 0)
SetWindowValid(node->AsBool());
}
void VtkTrackedCamera::updateView()
{
double x = _trackedPosition[0] * _realToVirtualScale;
double y = _trackedPosition[1] * _realToVirtualScale;
double z = _trackedPosition[2] * _realToVirtualScale;
double angle = vtkMath::DegreesFromRadians(
2 * atan(0.5 * _screenHeight * _realToVirtualScale / y));
//double newfocal[3] = {_x + x, _y, _z + z};
//double newpos[3] = {_x + x, _y + y, _z + z};
//double viewup[3] = {0, 0, 1};
SetViewAngle(angle);
//SetPosition(newpos);
//SetFocalPoint(newfocal);
//SetViewUp(viewup);
//SetClippingRange(_zNear, _zFar);
SetViewShear(x / y, z / y, 1); // see http://www.vtk.org/pipermail/vtkusers/2005-March/078735.html
emit viewUpdated();
}
void
ViewAttributes::SetFromNode(DataNode *parentNode)
{
if(parentNode == 0)
return;
DataNode *searchNode = parentNode->GetNode("ViewAttributes");
if(searchNode == 0)
return;
DataNode *node;
if((node = searchNode->GetNode("viewNormal")) != 0)
SetViewNormal(node->AsDoubleArray());
if((node = searchNode->GetNode("focus")) != 0)
SetFocus(node->AsDoubleArray());
if((node = searchNode->GetNode("viewUp")) != 0)
SetViewUp(node->AsDoubleArray());
if((node = searchNode->GetNode("viewAngle")) != 0)
SetViewAngle(node->AsDouble());
if((node = searchNode->GetNode("setScale")) != 0)
SetSetScale(node->AsBool());
if((node = searchNode->GetNode("parallelScale")) != 0)
SetParallelScale(node->AsDouble());
if((node = searchNode->GetNode("nearPlane")) != 0)
SetNearPlane(node->AsDouble());
if((node = searchNode->GetNode("farPlane")) != 0)
SetFarPlane(node->AsDouble());
if((node = searchNode->GetNode("imagePan")) != 0)
SetImagePan(node->AsDoubleArray());
if((node = searchNode->GetNode("imageZoom")) != 0)
SetImageZoom(node->AsDouble());
if((node = searchNode->GetNode("perspective")) != 0)
SetPerspective(node->AsBool());
if((node = searchNode->GetNode("windowCoords")) != 0)
SetWindowCoords(node->AsDoubleArray());
if((node = searchNode->GetNode("viewportCoords")) != 0)
SetViewportCoords(node->AsDoubleArray());
if((node = searchNode->GetNode("eyeAngle")) != 0)
SetEyeAngle(node->AsDouble());
}
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())
{
mBuffers->BlitSceneToTexture();
UpdateCameraExposure();
BloomScene();
TonemapScene();
ColormapScene();
LensDistortScene();
ApplyFXAA();
// 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;
}
//-----------------------------------------------------------------------------
//
// SetupView
// Setup the view rotation matrix for the given viewpoint
//
//-----------------------------------------------------------------------------
void FGLRenderer::SetupView(float vx, float vy, float vz, DAngle va, bool mirror, bool planemirror)
{
SetViewAngle(va);
SetViewMatrix(vx, vy, vz, mirror, planemirror);
gl_RenderState.ApplyMatrices();
}
