bool
DX11ResourceManager::translateCamera( const MDagPath &cameraPath )
//
// Description:
// Translate Maya's camera
//
{
bool translatedCamera = false;
if (cameraPath.isValid())
{
MStatus status;
MFnCamera camera (cameraPath, &status);
if ( !status ) {
status.perror("MFnCamera constructor");
}
else
{
translatedCamera = true;
MPoint eyePoint = camera.eyePoint( MSpace::kWorld );
MPoint lookAtPt = camera.centerOfInterestPoint( MSpace::kWorld );
MVector upDirection = camera.upDirection ( MSpace::kWorld );
MFloatMatrix projMatrix = camera.projectionMatrix();
double horizontalFieldOfView = MAngle( /* camera.verticalFieldOfView() / */ camera.horizontalFieldOfView()
).asDegrees();
double nearClippingPlane = camera.nearClippingPlane();
double farClippingPlane = camera.farClippingPlane();
// Convert API values to internal native storage.
//
m_camera.m_vEyePt = XMFLOAT3((float)eyePoint.x, (float)eyePoint.y, (float)eyePoint.z);
m_camera.m_vLookatPt = XMFLOAT3((float)lookAtPt.x, (float)lookAtPt.y, (float)lookAtPt.z);
m_camera.m_vUpVec = XMFLOAT3((float)upDirection.x, (float)upDirection.y, (float)upDirection.z);
m_camera.m_FieldOfView = (float)horizontalFieldOfView;
m_camera.m_nearClip = (float)nearClippingPlane;
m_camera.m_farClip = (float)farClippingPlane;
m_camera.m_isOrtho = camera.isOrtho();
}
}
else
{
initializeDefaultCamera();
}
return translatedCamera;
}
/********************************************************************************************************
* Method to translate a single camera *
********************************************************************************************************/
MStatus OgreExporter::writeCamera(MFnCamera& camera)
{
MPlug plug;
MPlugArray srcplugarray;
double dist;
MAngle angle;
MFnTransform* cameraTransform = NULL;
MFnAnimCurve* animCurve = NULL;
// get camera transform
for (int i=0; i<camera.parentCount(); i++)
{
if (camera.parent(i).hasFn(MFn::kTransform))
{
cameraTransform = new MFnTransform(camera.parent(i));
continue;
}
}
// start camera description
m_params.outCameras << "camera " << cameraTransform->partialPathName().asChar() << "\n";
m_params.outCameras << "{\n";
//write camera type
m_params.outCameras << "\ttype ";
if (camera.isOrtho())
m_params.outCameras << "ortho\n";
else
m_params.outCameras << "persp\n";
// write translation data
m_params.outCameras << "\ttranslation\n";
m_params.outCameras << "\t{\n";
//translateX
m_params.outCameras << "\t\tx ";
plug = cameraTransform->findPlug("translateX");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i < srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to translateX attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(dist);
m_params.outCameras << "= " << dist << "\n";
}
//translateY
m_params.outCameras << "\t\ty ";
plug = cameraTransform->findPlug("translateY");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i< srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to translateY attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(dist);
m_params.outCameras << "= " << dist << "\n";
}
//translateZ
m_params.outCameras << "\t\tz ";
plug = cameraTransform->findPlug("translateZ");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i< srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to translateZ attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(dist);
m_params.outCameras << "= " << dist << "\n";
}
m_params.outCameras << "\t}\n";
// write rotation data
m_params.outCameras << "\trotation\n";
m_params.outCameras << "\t{\n";
m_params.outCameras << "\t\tx ";
//rotateX
plug = cameraTransform->findPlug("rotateX");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i< srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to rotateX attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(angle);
m_params.outCameras << "= " << angle.asDegrees() << "\n";
}
//rotateY
m_params.outCameras << "\t\ty ";
plug = cameraTransform->findPlug("rotateY");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i< srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to rotateY attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(angle);
m_params.outCameras << "= " << angle.asDegrees() << "\n";
}
//rotateZ
m_params.outCameras << "\t\tz ";
plug = cameraTransform->findPlug("rotateZ");
if (plug.isConnected() && m_params.exportCamerasAnim)
{
plug.connectedTo(srcplugarray,true,false,&stat);
for (int i=0; i< srcplugarray.length(); i++)
{
if (srcplugarray[i].node().hasFn(MFn::kAnimCurve))
{
if (animCurve)
delete animCurve;
animCurve = new MFnAnimCurve(srcplugarray[i].node());
continue;
}
else if (i == srcplugarray.length()-1)
{
std::cout << "Invalid link to rotateZ attribute\n";
return MS::kFailure;
}
}
m_params.outCameras << "anim " << animCurve->name().asChar() << "\n";
}
else
{
plug.getValue(angle);
m_params.outCameras << "= " << angle.asDegrees() << "\n";
}
m_params.outCameras << "\t}\n";
// end camera description
m_params.outCameras << "}\n\n";
if (cameraTransform != NULL)
delete cameraTransform;
if (animCurve != NULL)
delete animCurve;
return MS::kSuccess;
}
