MT_Transform KX_Camera::GetWorldToCamera() const
{
MT_Transform camtrans;
camtrans.invert(MT_Transform(NodeGetWorldPosition(), NodeGetWorldOrientation()));
return camtrans;
}
void KX_LightObject::BindShadowBuffer(RAS_IRasterizer *ras, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float*)viewmat);
MT_Matrix4x4 projectionmat((float*)winmat);
MT_Transform trans = MT_Transform((float*)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = ras->GetStereoMode();
ras->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
ras->SetProjectionMatrix(projectionmat);
ras->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->GetCameraData()->m_perspective);
ras->SetStereoMode(stereomode);
}
MT_Point3 KX_NavMeshObject::TransformToLocalCoords(const MT_Point3& wpos)
{
MT_Matrix3x3 orientation = NodeGetWorldOrientation();
const MT_Vector3& scaling = NodeGetWorldScaling();
orientation.scale(scaling[0], scaling[1], scaling[2]);
MT_Transform worldtr(NodeGetWorldPosition(), orientation);
MT_Transform invworldtr;
invworldtr.invert(worldtr);
MT_Point3 lpos = invworldtr(wpos);
return lpos;
}
void KX_KetsjiEngine::PostProcessScene(KX_Scene* scene)
{
bool override_camera = (m_overrideCam && (scene->GetName() == m_overrideSceneName));
SG_SetActiveStage(SG_STAGE_SCENE);
// if there is no activecamera, or the camera is being
// overridden we need to construct a temporarily camera
if (!scene->GetActiveCamera() || override_camera)
{
KX_Camera* activecam = NULL;
RAS_CameraData camdata = RAS_CameraData();
if (override_camera)
{
camdata.m_lens = m_overrideCamLens;
camdata.m_clipstart = m_overrideCamNear;
camdata.m_clipend = m_overrideCamFar;
camdata.m_perspective= !m_overrideCamUseOrtho;
}
activecam = new KX_Camera(scene,KX_Scene::m_callbacks,camdata);
activecam->SetName("__default__cam__");
// set transformation
if (override_camera) {
const MT_CmMatrix4x4& cammatdata = m_overrideCamViewMat;
MT_Transform trans = MT_Transform(cammatdata.getPointer());
MT_Transform camtrans;
camtrans.invert(trans);
activecam->NodeSetLocalPosition(camtrans.getOrigin());
activecam->NodeSetLocalOrientation(camtrans.getBasis());
activecam->NodeUpdateGS(0);
} else {
activecam->NodeSetLocalPosition(MT_Point3(0.0, 0.0, 0.0));
activecam->NodeSetLocalOrientation(MT_Vector3(0.0, 0.0, 0.0));
activecam->NodeUpdateGS(0);
}
scene->AddCamera(activecam);
scene->SetActiveCamera(activecam);
scene->GetObjectList()->Add(activecam->AddRef());
scene->GetRootParentList()->Add(activecam->AddRef());
//done with activecam
activecam->Release();
}
scene->UpdateParents(0.0);
}
void RAS_OpenGLLight::BindShadowBuffer(RAS_ICanvas *canvas, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
if (GPU_lamp_shadow_buffer_type(lamp) == LA_SHADMAP_VARIANCE) {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_VARIANCE);
}
else {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_SIMPLE);
}
/* GPU_lamp_shadow_buffer_bind() changes the viewport, so update the canvas */
canvas->UpdateViewPort(0, 0, winsize, winsize);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float *)viewmat);
MT_Matrix4x4 projectionmat((float *)winmat);
MT_Transform trans = MT_Transform((float *)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = m_rasterizer->GetStereoMode();
m_rasterizer->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
m_rasterizer->SetProjectionMatrix(projectionmat);
m_rasterizer->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->NodeGetLocalScaling(), cam->GetCameraData()->m_perspective);
m_rasterizer->SetStereoMode(stereomode);
}