Exemplo n.º 1
0
bool LuxMaxCamera::exportCamera(float lensRadius, luxcore::Scene &scene)
{
	INode* camNode = GetCOREInterface9()->GetActiveViewExp().GetViewCamera();

	if (camNode == NULL)
	{
		MessageBox(0, L"Set active view to a target camera and render again.", L"Error!", MB_OK);
		return false;
	}
	else
	{
		CameraObject*   cameraPtr = (CameraObject *)camNode->EvalWorldState(GetCOREInterface()->GetTime()).obj;

		float v = 0.0f;
		float FOV = 0;
		float focaldistance = 0;
		Interval      ivalid = FOREVER;
		IParamBlock2 *pBlock = camNode->GetParamBlock(0);
		IParamBlock2* pblock2;

		if (v > 0.0f)
		{
			MessageBox(0, L"LuxCam modifier selected.", L"Error!", MB_OK);
			return false;
		}

		if (cameraPtr->ClassID() == MAX2016_PHYSICAL_CAMERA)
		{
			IPhysicalCamera* physicalCamera = dynamic_cast<IPhysicalCamera*>(camNode->EvalWorldState(GetCOREInterface()->GetTime()).obj);

			FOV = physicalCamera->GetFOV(GetCOREInterface()->GetTime(), FOREVER) * 180 / PI;
			focaldistance = physicalCamera->GetTDist(GetCOREInterface()->GetTime(), FOREVER);
		}
		else
		{
			FOV = cameraPtr->GetFOV(GetCOREInterface()->GetTime(), FOREVER) * 180 / PI;
			focaldistance = cameraPtr->GetTDist(GetCOREInterface()->GetTime(), FOREVER);
		}

		::Point3 camTrans = camNode->GetNodeTM(GetCOREInterface()->GetTime()).GetTrans();
		INode* NewCam = camNode;
		::Matrix3 targetPos;
		NewCam->GetTargetTM(GetCOREInterface()->GetTime(), targetPos);

		float aspectratio = GetCOREInterface11()->GetImageAspRatio();
		if (aspectratio < 1)
			FOV = 2.0f * ((180 / PI) *(atan(tan((PI / 180)*(FOV / 2.0f)) / aspectratio)));

		mprintf(L"Rendering with camera: : %s\n", camNode->GetName());
		scene.Parse(
			Property("scene.camera.lookat.orig")(camTrans.x, camTrans.y, camTrans.z) <<
			Property("scene.camera.lookat.target")(targetPos.GetTrans().x, targetPos.GetTrans().y, targetPos.GetTrans().z) <<
			Property("scene.camera.fieldofview")(FOV) <<
			Property("scene.camera.lensradius")(lensRadius) <<
			//Property("scene.camera.focaldistance")(cameraPtr->GetTDist(GetCOREInterface()->GetTime(), FOREVER)) <<
			Property("scene.camera.focaldistance")(focaldistance) <<
			Property("scene.camera.shutteropen")(0.0f) <<
			Property("scene.camera.shutterclose")(1.615f)
			);
		return true;
	}

	
}
	//---------------------------------------------------------------
	void CameraExporter::exportCamera( ExportNode* exportNode )
	{
		if ( !exportNode->getIsInVisualScene() )
			return;
		
		String cameraId = getCameraId(*exportNode);

		INode* iNode = exportNode->getINode();

		CameraObject* camera = (CameraObject*)iNode->GetObjectRef();

		INode* targetNode =  ( camera->ClassID().PartA() == LOOKAT_CAM_CLASS_ID) ? iNode->GetTarget() : 0;

		if ( camera )
		{
			if (  mDocumentExporter->isExportedObject(ObjectIdentifier(camera)) )
				return;

			mDocumentExporter->insertExportedObject(ObjectIdentifier(camera), exportNode);


			// Retrieve the camera parameters block
			IParamBlock* parameters = (IParamBlock*) camera->GetReference(MaxCamera::PBLOCK_REF);

			COLLADASW::BaseOptic * optics = 0; 
			if ( camera->IsOrtho() )
			{
				optics = new COLLADASW::OrthographicOptic(COLLADASW::LibraryCameras::mSW);

				// Calculate the target distance for FOV calculations
				float targetDistance;
				if ( targetNode )
				{
					Point3 targetTrans = targetNode->GetNodeTM(mDocumentExporter->getOptions().getAnimationStart()).GetTrans();
					Point3 cameraTrans = iNode->GetNodeTM(mDocumentExporter->getOptions().getAnimationStart()).GetTrans();
					targetDistance = (targetTrans - cameraTrans).Length();
				}
				else
				{
					targetDistance = camera->GetTDist(mDocumentExporter->getOptions().getAnimationStart());
				}
				ConversionInverseOrthoFOVFunctor conversionInverseOrthoFOVFunctor(targetDistance);

				if ( AnimationExporter::isAnimated(parameters, MaxCamera::FOV) )
				{
					optics->setXMag(conversionInverseOrthoFOVFunctor(parameters->GetFloat(MaxCamera::FOV)), XMAG_SID);
					mAnimationExporter->addAnimatedParameter(parameters, MaxCamera::FOV, cameraId, XMAG_SID, 0, true, &conversionInverseOrthoFOVFunctor);
				}
				else
				{
					optics->setXMag(conversionInverseOrthoFOVFunctor(parameters->GetFloat(MaxCamera::FOV)));	
				}
			}
			else
			{
				optics = new COLLADASW::PerspectiveOptic(COLLADASW::LibraryCameras::mSW);
				if ( AnimationExporter::isAnimated(parameters, MaxCamera::FOV) )
				{
					optics->setXFov(COLLADASW::MathUtils::radToDegF(parameters->GetFloat(MaxCamera::FOV)), XFOV_SID);
					mAnimationExporter->addAnimatedParameter(parameters, MaxCamera::FOV, cameraId, XFOV_SID, 0, true, &ConversionFunctors::radToDeg);
				}
				else
				{
					optics->setXFov(COLLADASW::MathUtils::radToDegF(parameters->GetFloat(MaxCamera::FOV)));	
				}
			}

			bool hasAnimatedZNear = mAnimationExporter->addAnimatedParameter(parameters, MaxCamera::NEAR_CLIP, cameraId, optics->getZNearDefaultSid(), 0);
			optics->setZNear(parameters->GetFloat(MaxCamera::NEAR_CLIP), hasAnimatedZNear);

			bool hasAnimatedZFar = mAnimationExporter->addAnimatedParameter(parameters, MaxCamera::FAR_CLIP, cameraId, optics->getZFarDefaultSid(), 0);
			optics->setZFar(parameters->GetFloat(MaxCamera::FAR_CLIP), hasAnimatedZFar);


#ifdef UNICODE
			String exportNodeName = COLLADABU::StringUtils::wideString2utf8String(exportNode->getINode()->GetName());
			COLLADASW::Camera colladaCamera(COLLADASW::LibraryCameras::mSW, optics, cameraId, COLLADASW::Utils::checkNCName(exportNodeName));
#else
			COLLADASW::Camera colladaCamera(COLLADASW::LibraryCameras::mSW, optics, cameraId, COLLADASW::Utils::checkNCName(exportNode->getINode()->GetName()));
#endif
			setExtraTechnique(&colladaCamera);


			// Retrieve the camera target
			if ( targetNode )
			{
				ExportNode* targetExportNode = mExportSceneGraph->getExportNode(targetNode);
				addExtraParameter(EXTRA_PARAMETER_TARGET, "#" + targetExportNode->getId());
			}

			if (camera->GetMultiPassEffectEnabled(0, FOREVER))
			{
				IMultiPassCameraEffect *multiPassCameraEffect = camera->GetIMultiPassCameraEffect();
				if (multiPassCameraEffect)
				{
					Class_ID id = multiPassCameraEffect->ClassID();

					// the camera could have both effects, but not in Max
					if (id == FMULTI_PASS_MOTION_BLUR_CLASS_ID)
					{
						IParamBlock2 *parameters = multiPassCameraEffect->GetParamBlock(0);
						if (parameters )
						{
							addParamBlockAnimatedExtraParameters(MOTION_BLUR_ELEMENT, MOTION_BLUR_PARAMETERS, MOTION_BLUR_PARAMETER_COUNT, parameters, cameraId);
						}
					}
					else if (id == FMULTI_PASS_DOF_CLASS_ID)
					{
						IParamBlock2 *parameters = multiPassCameraEffect->GetParamBlock(0);
						if (parameters )
						{
							addParamBlockAnimatedExtraParameters(DEPTH_OF_FIELD_ELEMENT, DEPTH_OF_FIELD_PARAMETERS, DEPTH_OF_FIELD_PARAMETER_COUNT, parameters, cameraId);
							addExtraParameter(TARGETDISTANCE_PARAMETER, camera->GetTDist(0));
						}
					}
				}
			}
			addCamera(colladaCamera);
		
			delete optics;
		}

	}