void Transformable::getGradientTransParams(MMatrix& matGrad) const
{
assert(matGrad.sizeCol() == 1 && matGrad.sizeRow() == getNumParams());
getGradientParams(matGrad);
size_t unParamsNum = getNumTransform();
for(size_t i = 0; i < unParamsNum; i++)
{
double tdVal = matGrad.get(i);
double tdValX = getParam(i);
matGrad.assign(tdVal * m_vTransform[i]->Gradient(tdValX),i);
}
}
void Kernel::getGradTransParams(MMatrix& g, const MMatrix& X, const MMatrix& cvGrd, bool regularise) const
{
assert(g.sizeRow()==1);
assert(g.sizeCol()== mhps.size());
getGradientParams(g, X,cvGrd, regularise);
for(size_t i = 0; i < getNumTransform(); i++)
{
double val = g.get(i);
double param = getParam(i);
g.assign(val * getGradientTransform(param, i),i);
}
}
MMatrix MotionSyn::syc()
{
int subject =0;
MMatrix stylemat(1,mFactors[2]->sizeCol());
stylemat.copyRowRow(0,*mFactors[2],0);
stylemat.scale(0.5);
stylemat.axpyRowRow(0,*mFactors[2],1,0.5);
std::cout << stylemat << std::endl;
assert(mFactors.size() == 3);
//assert(subject < mFactors[1]->sizeRow() && style < mFactors[2]->sizeRow());
MMatrix mat(1,mFactors[1]->sizeCol() * mFactors[2]->sizeCol());
for(size_t t = 0; t < mFactors[1]->sizeCol(); t++)
{
for(size_t k = 0; k < mFactors[2]->sizeCol(); k++)
{
double val = mFactors[1]->get(subject,t) * stylemat.get(0,k);
mat.assign(val,t * stylemat.sizeCol() + k);
}
}
MMatrix val = mGPM->predict(mat);
double step = val.get(0);
int length = int(2*3.141592653589/step);
std::vector<MMatrix> X(3);
X[0].resize(length,2);
X[1].resize(length, mFactors[1]->sizeCol());
X[2].resize(length, mFactors[2]->sizeCol());
for(int i = 0; i < length; i++)
{
X[0].assign(cos(double(i * step)), i, 0);
X[0].assign(sin(double(i * step)), i, 1);
X[1].copyRowRow(i, *mFactors[1], subject);
X[2].copyRowRow(i, stylemat, 0);
}
return meanPrediction(X,CVector3D<double>(0,mInitY.get(subject,1),0));
}
/* virtual */
MStatus cgfxVector::compute( const MPlug& plug, MDataBlock& data )
{
MStatus status;
MFnData::Type dataType = MFnData::kInvalid;
if( plug == sWorldVector ||
plug == sWorldVectorX ||
plug == sWorldVectorY ||
plug == sWorldVectorZ ||
plug == sWorldVectorW)
{
// We do isDirection first simply because if there is an
// error, the isDirection error is more legible than the
// vector or matrix error.
//
MDataHandle dhIsDirection = data.inputValue(sIsDirection, &status);
if (!status)
{
status.perror("cgfxVector: isDirection handle");
return status;
}
dataType = dhIsDirection.type();
MDataHandle dhVector = data.inputValue(sVector, &status);
if (!status)
{
status.perror("cgfxVector: vector handle");
return status;
}
dataType = dhVector.type();
MMatrix matrix;
MPlug matrixPlug(thisMObject(), sMatrix);
if (matrixPlug.isNull())
{
OutputDebugString("matrixPlug is NULL!\n");
}
// TODO: Fix this kludge.
//
// We should not have to do this but for some reason,
// using data.inputValue() fails for the sMatrix attribute.
// Instead, we get a plug to the attribute and then get
// the value directly.
//
MObject oMatrix;
matrixPlug.getValue(oMatrix);
MFnMatrixData fndMatrix(oMatrix, &status);
if (!status)
{
status.perror("cgfxVector: matrix data");
}
matrix= fndMatrix.matrix(&status);
if (!status)
{
status.perror("cgfxVector: get matrix");
}
#if 0
// TODO: This is how we are supposed to do it. (I think).
//
MDataHandle dhMatrix = data.inputValue(sMatrix, &status);
if (!status)
{
status.perror("cgfxVector: matrix handle");
}
dataType = dhMatrix.type();
oMatrix = dhMatrix.data();
MFnMatrixData fnMatrix(oMatrix, &status);
if (!status)
{
status.perror("cgfxVector: matrix function set");
}
matrix = fnMatrix.matrix();
#endif /* 0 */
bool isDirection = dhIsDirection.asBool();
double3& vector = dhVector.asDouble3();
double mat[4][4];
matrix.get(mat);
double ix, iy, iz, iw; // Input vector
float ox, oy, oz, ow; // Output vector
ix = vector[0];
iy = vector[1];
iz = vector[2];
iw = isDirection ? 0.0 : 1.0;
ox = (float)(mat[0][0] * ix +
mat[1][0] * iy +
mat[2][0] * iz +
mat[3][0] * iw);
oy = (float)(mat[0][1] * ix +
mat[1][1] * iy +
mat[2][1] * iz +
mat[3][1] * iw);
oz = (float)(mat[0][2] * ix +
mat[1][2] * iy +
mat[2][2] * iz +
mat[3][2] * iw);
ow = (float)(mat[0][3] * ix +
mat[1][3] * iy +
mat[2][3] * iz +
mat[3][3] * iw);
MDataHandle dhWVector = data.outputValue(sWorldVector, &status);
if (!status)
{
status.perror("cgfxVector: worldVector handle");
return status;
}
MDataHandle dhWVectorW = data.outputValue(sWorldVectorW, &status);
if (!status)
{
status.perror("cgfxVector: worldVectorW handle");
return status;
}
dhWVector.set(ox, oy, oz);
dhWVectorW.set(ow);
data.setClean(sWorldVector);
data.setClean(sWorldVectorW);
}
else
{
return MS::kUnknownParameter;
}
return MS::kSuccess;
}
/** Create a RIB compatible representation of a Maya polygon mesh.
*/
liqRibMeshData::liqRibMeshData( MObject mesh )
: numFaces( 0 ),
numPoints ( 0 ),
numNormals ( 0 ),
nverts(),
verts(),
vertexParam(NULL),
normalParam(NULL)
{
CM_TRACE_FUNC("liqRibMeshData::liqRibMeshData("<<MFnDagNode(mesh).fullPathName().asChar()<<")");
unsigned int i;
unsigned int j;
areaLight = false;
LIQDEBUGPRINTF( "-> creating mesh\n" );
MFnMesh fnMesh( mesh );
objDagPath = fnMesh.dagPath();
MStatus astatus;
name = fnMesh.name();
areaLight =( liquidGetPlugValue( fnMesh, "areaIntensity", areaIntensity, astatus ) == MS::kSuccess )? true : false ;
if ( areaLight )
{
MDagPath meshDagPath;
meshDagPath = fnMesh.dagPath();
MTransformationMatrix worldMatrix = meshDagPath.inclusiveMatrix();
MMatrix worldMatrixM = worldMatrix.asMatrix();
worldMatrixM.get( transformationMatrix );
}
numPoints = fnMesh.numVertices();
numNormals = fnMesh.numNormals();
// UV sets -------------------
//
//const unsigned numSTs( fnMesh.numUVs() );
const unsigned numUVSets( fnMesh.numUVSets() );
MString currentUVSetName;
MStringArray extraUVSetNames;
fnMesh.getCurrentUVSetName( currentUVSetName );
{
MStringArray UVSetNames;
fnMesh.getUVSetNames( UVSetNames );
for ( unsigned i( 0 ); i<numUVSets; i++ )
if ( UVSetNames[i] != currentUVSetName )
extraUVSetNames.append( UVSetNames[i] );
}
numFaces = fnMesh.numPolygons();
const unsigned numFaceVertices( fnMesh.numFaceVertices() );
if ( numPoints < 1 )
{
// MGlobal::displayInfo( MString( "fnMesh: " ) + fnMesh.name() );
// cerr << "Liquid : Could not export degenerate mesh '"<< fnMesh.fullPathName( &astatus ).asChar() << "'" << endl << flush;
return;
}
unsigned face = 0;
unsigned faceVertex = 0;
unsigned count;
unsigned vertex;
unsigned normal;
float S;
float T;
MPoint point;
liqTokenPointer pointsPointerPair;
liqTokenPointer normalsPointerPair;
liqTokenPointer pFaceVertexSPointer;
liqTokenPointer pFaceVertexTPointer;
// Allocate memory and tokens
numFaces = numFaces;
nverts = shared_array< liqInt >( new liqInt[ numFaces ] );
verts = shared_array< liqInt >( new liqInt[ numFaceVertices ] );
pointsPointerPair.set( "P", rPoint, numPoints );
pointsPointerPair.setDetailType( rVertex );
if ( numNormals == numPoints )
{
normalsPointerPair.set( "N", rNormal, numPoints );
normalsPointerPair.setDetailType( rVertex );
}
else
{
normalsPointerPair.set( "N", rNormal, numFaceVertices );
normalsPointerPair.setDetailType( rFaceVarying );
}
// uv
std::vector<liqTokenPointer> UVSetsArray;
UVSetsArray.reserve( 1 + extraUVSetNames.length() );
liqTokenPointer currentUVSetUPtr;
liqTokenPointer currentUVSetVPtr;
liqTokenPointer currentUVSetNamePtr;
liqTokenPointer extraUVSetsUPtr;
liqTokenPointer extraUVSetsVPtr;
liqTokenPointer extraUVSetsNamePtr;
if(liqglo.liqglo_outputMeshAsRMSArrays)
{
currentUVSetUPtr.set( "s", rFloat, numFaceVertices );
currentUVSetUPtr.setDetailType( rFaceVarying );
currentUVSetVPtr.set( "t", rFloat, numFaceVertices );
currentUVSetVPtr.setDetailType( rFaceVarying );
currentUVSetNamePtr.set( "currentUVSet", rString, 1 );
currentUVSetNamePtr.setDetailType( rConstant );
if( numUVSets > 1 )
{
extraUVSetsUPtr.set( "u_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsUPtr.setDetailType( rFaceVarying );
extraUVSetsVPtr.set( "v_uvSet", rFloat, numFaceVertices, numUVSets-1 );
extraUVSetsVPtr.setDetailType( rFaceVarying );
extraUVSetsNamePtr.set( "extraUVSets", rString, numUVSets-1 );
extraUVSetsNamePtr.setDetailType( rConstant );
}
}
else
{
if ( numUVSets > 0 )
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( "st", rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
for ( unsigned j( 0 ); j<extraUVSetNames.length(); j++)
{
liqTokenPointer pFaceVertexPointerPair;
pFaceVertexPointerPair.set( extraUVSetNames[j].asChar(), rFloat, numFaceVertices, 2 );
pFaceVertexPointerPair.setDetailType( rFaceVarying );
UVSetsArray.push_back( pFaceVertexPointerPair );
}
if( liqglo.liqglo_outputMeshUVs )
{
// Match MTOR, which also outputs face-varying STs as well for some reason - Paul
// not anymore - Philippe
pFaceVertexSPointer.set( "u", rFloat, numFaceVertices );
pFaceVertexSPointer.setDetailType( rFaceVarying );
pFaceVertexTPointer.set( "v", rFloat, numFaceVertices );
pFaceVertexTPointer.setDetailType( rFaceVarying );
}
}
}
vertexParam = pointsPointerPair.getTokenFloatArray();
normalParam = normalsPointerPair.getTokenFloatArray();
// Read the mesh from Maya
MFloatVectorArray normals;
fnMesh.getNormals( normals );
for ( MItMeshPolygon polyIt ( mesh ); polyIt.isDone() == false; polyIt.next() )
{
count = polyIt.polygonVertexCount();
nverts[face] = count;
for( i=0; i<count; i++ ) // boucle sur les vertex de la face
{
vertex = polyIt.vertexIndex( i );
verts[faceVertex] = vertex;
point = polyIt.point( i, MSpace::kObject );
pointsPointerPair.setTokenFloat( vertex, point.x, point.y, point.z );
normal = polyIt.normalIndex( i );
if( numNormals == numPoints )
normalsPointerPair.setTokenFloat( vertex, normals[normal].x, normals[normal].y, normals[normal].z );
else
normalsPointerPair.setTokenFloat( faceVertex, normals[normal].x, normals[normal].y, normals[normal].z );
if( liqglo.liqglo_outputMeshAsRMSArrays )
{
for( j=0; j<numUVSets; j++ )
{
if(j==0)
{
MString uvSetName = currentUVSetName;
// set uvSet name
currentUVSetNamePtr.setTokenString( 0, currentUVSetName.asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
currentUVSetUPtr.setTokenFloat( faceVertex, S );
currentUVSetVPtr.setTokenFloat( faceVertex, 1-T );
}
else
{
MString uvSetName = extraUVSetNames[j-1];
// set uvSet name
extraUVSetsNamePtr.setTokenString( j-1, extraUVSetNames[j-1].asChar() );
// set uv values
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
extraUVSetsUPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, S );
extraUVSetsVPtr.setTokenFloat( (numFaceVertices*(j-1)) + faceVertex, 1-T );
}
}
}
else
{
if ( numUVSets )
{
for( j=0; j<numUVSets; j++ )
{
MString uvSetName;
if(j==0)
{
uvSetName = currentUVSetName;
}
else
{
uvSetName = extraUVSetNames[j-1];
}
fnMesh.getPolygonUV( face, i, S, T, &uvSetName );
UVSetsArray[j].setTokenFloat( faceVertex, 0, S );
UVSetsArray[j].setTokenFloat( faceVertex, 1, 1-T );
//printf("V%d %s : %f %f => %f %f \n", i, uvSetName.asChar(), S, T, S, 1-T);
if( liqglo.liqglo_outputMeshUVs && j==0)
{
// Match MTOR, which always outputs face-varying STs as well for some reason - Paul
pFaceVertexSPointer.setTokenFloat( faceVertex, S );
pFaceVertexTPointer.setTokenFloat( faceVertex, 1-T );
}
}
}
}
// printf( "[%d] faceVertex = %d vertex = %d\n", i, faceVertex, vertex );
++faceVertex;
}
++face;
}
// Add tokens to array and clean up after
tokenPointerArray.push_back( pointsPointerPair );
tokenPointerArray.push_back( normalsPointerPair );
if(liqglo.liqglo_outputMeshAsRMSArrays)
{
tokenPointerArray.push_back( currentUVSetNamePtr );
tokenPointerArray.push_back( currentUVSetUPtr );
tokenPointerArray.push_back( currentUVSetVPtr );
if( numUVSets > 1 )
{
tokenPointerArray.push_back( extraUVSetsNamePtr );
tokenPointerArray.push_back( extraUVSetsUPtr );
tokenPointerArray.push_back( extraUVSetsVPtr );
}
}
else
{
if( UVSetsArray.size() )
tokenPointerArray.insert( tokenPointerArray.end(), UVSetsArray.begin(), UVSetsArray.end() );
if( liqglo.liqglo_outputMeshUVs )
{
tokenPointerArray.push_back( pFaceVertexSPointer );
tokenPointerArray.push_back( pFaceVertexTPointer );
}
}
addAdditionalSurfaceParameters( mesh );
}
MMatrix MotionSyn::synTrainsiton(const std::size_t identity, const std::size_t content1,const std::size_t content2,
const std::size_t length, CVector3D<double> initPos, double &curState)
{
std::vector<MMatrix> xStar(3);
xStar[0].resize(length,2);
xStar[1].resize(length, mFactors[1]->sizeCol());
xStar[2].resize(length, mFactors[2]->sizeCol());
MMatrix actor = mFactors[1]->subMMatrix(identity,0,1,mFactors[1]->sizeCol());
/*std::vector<double> steps;
double total = 0.0;
for (std::size_t i = 0; i < length; i++)
{
MMatrix newContent(1,mFactors[2]->sizeCol());
for(std::size_t t = 0; t < newContent.sizeCol(); t++)
{
double val = (1 - double(t)/length) * mFactors[2]->get(content1,t)
+ double(t)/length * mFactors[2]->get(content2,t);
newContent.assign(val,t);
}
MMatrix kron = actor.kron(newContent);
MMatrix val = mGPM->predict(kron);
total += val.get(0);
steps.push_back(val.get(0));
xStar[1].copyRowRow(i,*mFactors[1],identity);
xStar[2].copyRowRow(i,newContent,0);
}
total = 6.28 - total;
for (std::size_t i = 0; i < length; i++)
{
total += steps[i];
xStar[0].assign(cos(6.28-steps[i]*(length-i)), i, 0);
xStar[0].assign(sin(6.28-steps[i]*(length-i)), i, 1);
}*/
for (std::size_t i = 0; i < length; i++)
{
if(i < 50)
{
MMatrix newContent(1,mFactors[2]->sizeCol());
for(std::size_t t = 0; t < newContent.sizeCol(); t++)
{
double val = (1 - double(t)/50) * mFactors[2]->get(content1,t)
+ double(t)/50 * mFactors[2]->get(content2,t);
newContent.assign(val,t);
}
MMatrix kron = actor.kron(newContent);
MMatrix val = mGPM->predict(kron);
double step = val.get(0);
curState += step;
xStar[2].copyRowRow(i,newContent,0);
/* MMatrix content = mFactors[2]->subMMatrix(content1,0,1,mFactors[2]->sizeCol());
MMatrix kron = actor.kron(content);
MMatrix val = mGPM->predict(kron);
double step = val.get(0);
curState += step;
xStar[2].copyRowRow(i,content,0);*/
}
else
{
MMatrix content = mFactors[2]->subMMatrix(content2,0,1,mFactors[2]->sizeCol());
MMatrix kron = actor.kron(content);
MMatrix val = mGPM->predict(kron);
double step = val.get(0);
curState += step;
xStar[2].copyRowRow(i,content,0);
}
xStar[0].assign(cos(curState), i, 0);
xStar[0].assign(sin(curState), i, 1);
xStar[1].copyRowRow(i,*mFactors[1],identity);
}
return meanPrediction(xStar,initPos);
}
MMatrix MotionSyn::generate(std::size_t identity,vector<std::size_t> contents,std::size_t interval)
{
std::size_t state_size = contents.size() * 2 - 1;
std::size_t length = interval * state_size;
MMatrix motion(length,mInitY.sizeCol());
std::vector<MMatrix> xStar(3);
xStar[0].resize(length, 2);
xStar[1].resize(length, mFactors[1]->sizeCol());
xStar[2].resize(length, mFactors[2]->sizeCol());
double current_state = 0;
for (std::size_t i = 0; i < state_size; i++)
{
MMatrix kron(1,mFactors[1]->sizeCol() * mFactors[2]->sizeCol());
if (i % 2 == 0)
{
MMatrix mat1 = mFactors[1]->subMMatrix(identity, 0, 1, mFactors[1]->sizeCol());
MMatrix mat2 = mFactors[2]->subMMatrix(contents[i/2], 0, 1, mFactors[2]->sizeCol());
kron = mat1.kron(mat2);
MMatrix val = mGPM->predict(kron);
double step = val.get(0);
for (std::size_t t = 0; t < interval; t++)
{
xStar[0].assign(cos(current_state + double(t*step)), t + i * interval, 0);
xStar[0].assign(sin(current_state + double(t*step)), t + i * interval, 1);
xStar[1].copyRowRow(t + i * interval, *mFactors[1], identity);
xStar[2].copyRowRow(t + i * interval, *mFactors[2], contents[i/2]);
}
current_state += step * interval;
}
else
{
for (std::size_t t = 0; t < interval; t++)
{
MMatrix linearIpconent(1,mFactors[2]->sizeCol());
for (std::size_t k = 0; k < linearIpconent.sizeCol(); k++)
{
double val = (1 - double(t) / interval) * mFactors[2]->get(contents[(i-1)/2], k)
+ (double(t) / interval) * mFactors[2]->get(contents[(i+1)/2], k);
linearIpconent.assign(val, 0, k);
}
MMatrix mat = mFactors[1]->subMMatrix(identity, 0, 1, mFactors[1]->sizeCol());
kron = mat.kron(linearIpconent);
MMatrix val = mGPM->predict(kron);
double step = val.get(0);
current_state += step;
xStar[0].assign(cos(current_state), t + i * interval, 0);
xStar[0].assign(sin(current_state), t + i * interval, 1);
xStar[1].copyRowRow(t + i * interval, *mFactors[1], identity);
xStar[2].copyRowRow(t + i * interval, linearIpconent, 0);
}
}
}
return meanPrediction(xStar,CVector3D<double>(0,mInitY.get(identity,1),0));
}
MStatus viewRenderUserOperation::execute( const MHWRender::MDrawContext & drawContext )
{
// Sample code to debug pass information
static const bool debugPassInformation = false;
if (debugPassInformation)
{
const MHWRender::MPassContext & passCtx = drawContext.getPassContext();
const MString & passId = passCtx.passIdentifier();
const MStringArray & passSem = passCtx.passSemantics();
printf("viewRenderUserOperation: drawing in pass[%s], semantic[", passId.asChar());
for (unsigned int i=0; i<passSem.length(); i++)
printf(" %s", passSem[i].asChar());
printf("\n");
}
// Example code to find the active override.
// This is not necessary if the operations just keep a reference
// to the override, but this demonstrates how this
// contextual information can be extracted.
//
MHWRender::MRenderer *theRenderer = MHWRender::MRenderer::theRenderer();
const MHWRender::MRenderOverride *overridePtr = NULL;
if (theRenderer)
{
const MString & overrideName = theRenderer->activeRenderOverride();
overridePtr = theRenderer->findRenderOverride( overrideName );
}
// Some sample code to debug lighting information in the MDrawContext
//
if (fDebugLightingInfo)
{
viewRenderOverrideUtilities::printDrawContextLightInfo( drawContext );
}
// Some sample code to debug other MDrawContext information
//
if (fDebugDrawContext)
{
MStatus status;
MMatrix matrix = drawContext.getMatrix(MHWRender::MFrameContext::kWorldMtx, &status);
double dest[4][4];
status = matrix.get(dest);
printf("World matrix is:\n");
printf("\t%f, %f, %f, %f\n", dest[0][0], dest[0][1], dest[0][2], dest[0][3]);
printf("\t%f, %f, %f, %f\n", dest[1][0], dest[1][1], dest[1][2], dest[1][3]);
printf("\t%f, %f, %f, %f\n", dest[2][0], dest[2][1], dest[2][2], dest[2][3]);
printf("\t%f, %f, %f, %f\n", dest[3][0], dest[3][1], dest[3][2], dest[3][3]);
MDoubleArray viewDirection = drawContext.getTuple(MHWRender::MFrameContext::kViewDirection, &status);
printf("Viewdirection is: %f, %f, %f\n", viewDirection[0], viewDirection[1], viewDirection[2]);
MBoundingBox box = drawContext.getSceneBox(&status);
printf("Screen box is:\n");
printf("\twidth=%f, height=%f, depth=%f\n", box.width(), box.height(), box.depth());
float center[4];
box.center().get(center);
printf("\tcenter=(%f, %f, %f, %f)\n", center[0], center[1], center[2], center[3]);
int originX, originY, width, height;
status = drawContext.getViewportDimensions(originX, originY, width, height);
printf("Viewport dimension: center(%d, %d), width=%d, heigh=%d\n", originX, originY, width, height);
}
// Draw some addition things for scene draw
//
M3dView mView;
if (mPanelName.length() &&
(M3dView::getM3dViewFromModelPanel(mPanelName, mView) == MStatus::kSuccess))
{
// Get the current viewport and scale it relative to that
//
int targetW, targetH;
drawContext.getRenderTargetSize( targetW, targetH );
if (fDrawLabel)
{
MString testString("Drawing with override: ");
testString += overridePtr->name();
MPoint pos(0.0,0.0,0.0);
glColor3f( 1.0f, 1.0f, 1.0f );
mView.drawText( testString, pos);
}
// Some user drawing of scene bounding boxes
//
if (fDrawBoundingBoxes)
{
MDagPath cameraPath;
mView.getCamera( cameraPath);
MCustomSceneDraw userDraw;
userDraw.draw( cameraPath, targetW, targetH );
}
}
return MStatus::kSuccess;
}
// ========== DtCameraGetMatrix ==========
//
// SYNOPSIS
// Return the camera transformation matrix. This matrix
// includes the camera rotation, translation, and scale
// transforms. This function also sets the valid bits
// for DT_CAMERA_POSITION and DT_CAMERA_ORIENTATION.
// The matrix is in row-major order.
//
// From PA DT:
// Not implemented: returns a pointer to an identity matrix
// under the OpenModel implementation.
//
// For Maya DT:
// This fuction returns the camera's global transformation matrix.
//
int DtCameraGetMatrix( int cameraID,
float** matrix )
{
// static float mtx[4][4];
static float globalMtx[4][4];
static float localMtx[4][4];
// Check for error.
//
if( ( cameraID < 0) || ( cameraID >= local->camera_ct ) )
{
*matrix = NULL;
return( 0 );
}
// Set the valid flag.
//
// local->cameras[cameraID].valid_bits|=(DT_VALID_BIT_MASK&DT_CAMERA_MATRIX);
// Get transformations.
//
#if 0
mtx[0][0]=1.0;mtx[0][1]=0.0;mtx[0][2]=0.0;mtx[0][3]=0.0;
mtx[1][0]=0.0;mtx[1][1]=1.0;mtx[1][2]=0.0;mtx[1][3]=0.0;
mtx[2][0]=0.0;mtx[2][1]=0.0;mtx[2][2]=1.0;mtx[2][3]=0.0;
mtx[3][0]=0.0;mtx[3][1]=0.0;mtx[3][2]=0.0;mtx[3][3]=1.0;
#endif
// Camera transformation matrix is set on the transform node.
//
MStatus returnStatus = MS::kSuccess;
MFnDagNode fnTransNode( local->cameras[cameraID].transformNode, &returnStatus );
MDagPath dagPath;
returnStatus = fnTransNode.getPath( dagPath );
if( MS::kSuccess == returnStatus )
{
if( DtExt_Debug() & DEBUG_CAMERA )
{
cerr << "Got the dagPath\n";
cerr << "length of the dagpath is " << dagPath.length() << endl;
}
}
MFnDagNode fnDagPath( dagPath, &returnStatus );
MMatrix localMatrix;
MMatrix globalMatrix;
localMatrix = fnTransNode.transformationMatrix ( &returnStatus );
globalMatrix = dagPath.inclusiveMatrix();
localMatrix.get( localMtx );
globalMatrix.get( globalMtx );
if( DtExt_Debug() & DEBUG_CAMERA )
{
int i = 0;
int j = 0;
cerr << "camera's global transformation matrix:\n";
for( i = 0; i < 4; i++ )
{
for( j = 0; j < 4; j++ )
{
cerr << globalMtx[i][j] << " ";
}
cerr << endl;
}
cerr << "camera's local transformation matrix:\n";
for( i = 0; i < 4; i++ )
{
for( j = 0; j < 4; j++ )
{
cerr << localMtx[i][j] << " ";
}
cerr << endl;
}
}
// *matrix = (float*)&mtx;
*matrix = (float*)&globalMtx;
return(1);
} // DtCameraGetMatrix //
/* static */
bool
px_vp20Utils::RenderBoundingBox(
const MBoundingBox& bounds,
const GfVec4f& color,
const MMatrix& worldViewMat,
const MMatrix& projectionMat)
{
static const GfVec3f cubeLineVertices[24] = {
// Vertical edges
GfVec3f(-0.5f, -0.5f, 0.5f),
GfVec3f(-0.5f, 0.5f, 0.5f),
GfVec3f(0.5f, -0.5f, 0.5f),
GfVec3f(0.5f, 0.5f, 0.5f),
GfVec3f(0.5f, -0.5f, -0.5f),
GfVec3f(0.5f, 0.5f, -0.5f),
GfVec3f(-0.5f, -0.5f, -0.5f),
GfVec3f(-0.5f, 0.5f, -0.5f),
// Top face edges
GfVec3f(-0.5f, 0.5f, 0.5f),
GfVec3f(0.5f, 0.5f, 0.5f),
GfVec3f(0.5f, 0.5f, 0.5f),
GfVec3f(0.5f, 0.5f, -0.5f),
GfVec3f(0.5f, 0.5f, -0.5f),
GfVec3f(-0.5f, 0.5f, -0.5f),
GfVec3f(-0.5f, 0.5f, -0.5f),
GfVec3f(-0.5f, 0.5f, 0.5f),
// Bottom face edges
GfVec3f(-0.5f, -0.5f, 0.5f),
GfVec3f(0.5f, -0.5f, 0.5f),
GfVec3f(0.5f, -0.5f, 0.5f),
GfVec3f(0.5f, -0.5f, -0.5f),
GfVec3f(0.5f, -0.5f, -0.5f),
GfVec3f(-0.5f, -0.5f, -0.5f),
GfVec3f(-0.5f, -0.5f, -0.5f),
GfVec3f(-0.5f, -0.5f, 0.5f),
};
static const std::string vertexShaderSource(
"#version 140\n"
"\n"
"in vec3 position;\n"
"uniform mat4 mvpMatrix;\n"
"\n"
"void main()\n"
"{\n"
" gl_Position = vec4(position, 1.0) * mvpMatrix;\n"
"}\n");
static const std::string fragmentShaderSource(
"#version 140\n"
"\n"
"uniform vec4 color;\n"
"out vec4 outColor;\n"
"\n"
"void main()\n"
"{\n"
" outColor = color;\n"
"}\n");
PxrMayaGLSLProgram renderBoundsProgram;
if (!renderBoundsProgram.CompileShader(GL_VERTEX_SHADER,
vertexShaderSource)) {
MGlobal::displayError("Failed to compile bounding box vertex shader");
return false;
}
if (!renderBoundsProgram.CompileShader(GL_FRAGMENT_SHADER,
fragmentShaderSource)) {
MGlobal::displayError("Failed to compile bounding box fragment shader");
return false;
}
if (!renderBoundsProgram.Link()) {
MGlobal::displayError("Failed to link bounding box render program");
return false;
}
if (!renderBoundsProgram.Validate()) {
MGlobal::displayError("Failed to validate bounding box render program");
return false;
}
GLuint renderBoundsProgramId = renderBoundsProgram.GetProgramId();
glUseProgram(renderBoundsProgramId);
// Populate an array buffer with the cube line vertices.
GLuint cubeLinesVBO;
glGenBuffers(1, &cubeLinesVBO);
glBindBuffer(GL_ARRAY_BUFFER, cubeLinesVBO);
glBufferData(GL_ARRAY_BUFFER,
sizeof(cubeLineVertices),
cubeLineVertices,
GL_STATIC_DRAW);
// Create a transformation matrix from the bounding box's center and
// dimensions.
MTransformationMatrix bboxTransformMatrix = MTransformationMatrix::identity;
bboxTransformMatrix.setTranslation(bounds.center(), MSpace::kTransform);
const double scales[3] = { bounds.width(), bounds.height(), bounds.depth() };
bboxTransformMatrix.setScale(scales, MSpace::kTransform);
const MMatrix mvpMatrix =
bboxTransformMatrix.asMatrix() * worldViewMat * projectionMat;
GLfloat mvpMatrixArray[4][4];
mvpMatrix.get(mvpMatrixArray);
// Populate the shader variables.
GLuint mvpMatrixLocation = glGetUniformLocation(renderBoundsProgramId, "mvpMatrix");
glUniformMatrix4fv(mvpMatrixLocation, 1, GL_TRUE, &mvpMatrixArray[0][0]);
GLuint colorLocation = glGetUniformLocation(renderBoundsProgramId, "color");
glUniform4fv(colorLocation, 1, color.data());
// Enable the position attribute and draw.
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_LINES, 0, sizeof(cubeLineVertices));
glDisableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDeleteBuffers(1, &cubeLinesVBO);
glUseProgram(0);
return true;
}
bool SceneShapeUI::snap( MSelectInfo &snapInfo ) const
{
MStatus s;
if( snapInfo.displayStatus() != M3dView::kHilite )
{
MSelectionMask meshMask( MSelectionMask::kSelectMeshes );
if( !snapInfo.selectable( meshMask ) )
{
return false;
}
}
// early out if we have no scene to draw
SceneShape *sceneShape = static_cast<SceneShape *>( surfaceShape() );
const IECore::SceneInterface *sceneInterface = sceneShape->getSceneInterface().get();
if( !sceneInterface )
{
return false;
}
IECoreGL::ConstScenePtr scene = sceneShape->glScene();
if( !scene )
{
return false;
}
// Get the viewport that the snapping operation is taking place in.
M3dView view = snapInfo.view();
// Use an IECoreGL::Selector to find the point in world space that we wish to snap to.
// We do this by first getting the origin of the selection ray and transforming it into
// NDC space using the OpenGL projection and transformation matrices. Once we have the
// point in NDC we can use it to define the viewport that the IECoreGL::Selector will use.
MPoint localRayOrigin;
MVector localRayDirection;
snapInfo.getLocalRay( localRayOrigin, localRayDirection );
Imath::V3d org( localRayOrigin[0], localRayOrigin[1], localRayOrigin[2] );
MDagPath camera;
view.getCamera( camera );
MMatrix localToCamera = snapInfo.selectPath().inclusiveMatrix() * camera.inclusiveMatrix().inverse();
view.beginSelect();
Imath::M44d projectionMatrix;
glGetDoublev( GL_PROJECTION_MATRIX, projectionMatrix.getValue() );
view.endSelect();
double v[4][4];
localToCamera.get( v );
Imath::M44d cam( v );
Imath::V3d ndcPt3d = ( (org * cam ) * projectionMatrix + Imath::V3d( 1. ) ) * Imath::V3d( .5 );
Imath::V2d ndcPt( std::max( std::min( ndcPt3d[0], 1. ), 0. ), 1. - std::max( std::min( ndcPt3d[1], 1. ), 0. ) );
view.beginGL();
glMatrixMode( GL_PROJECTION );
glLoadMatrixd( projectionMatrix.getValue() );
float radius = .001; // The radius of the selection area in NDC.
double aspect = double( view.portWidth() ) / view.portHeight();
Imath::V2f selectionWH( radius, radius * aspect );
std::vector<IECoreGL::HitRecord> hits;
{
IECoreGL::Selector selector( Imath::Box2f( ndcPt - selectionWH, ndcPt + selectionWH ), IECoreGL::Selector::IDRender, hits );
IECoreGL::State::bindBaseState();
selector.baseState()->bind();
scene->render( selector.baseState() );
}
view.endGL();
if( hits.empty() )
{
return false;
}
// Get the closest mesh hit.
float depthMin = std::numeric_limits<float>::max();
int depthMinIndex = -1;
for( unsigned int i=0, e = hits.size(); i < e; i++ )
{
if( hits[i].depthMin < depthMin )
{
depthMin = hits[i].depthMin;
depthMinIndex = i;
}
}
// Get the absolute path of the hit object.
IECore::SceneInterface::Path objPath;
std::string objPathStr;
sceneInterface->path( objPath );
IECore::SceneInterface::pathToString( objPath, objPathStr );
objPathStr += IECoreGL::NameStateComponent::nameFromGLName( hits[depthMinIndex].name );
IECore::SceneInterface::stringToPath( objPathStr, objPath );
// Validate the hit selection.
IECore::ConstSceneInterfacePtr childInterface;
try
{
childInterface = sceneInterface->scene( objPath );
}
catch(...)
{
return false;
}
if( !childInterface )
{
return false;
}
if( !childInterface->hasObject() )
{
return false;
}
// Get the mesh primitive so that we can query it's vertices.
double time = sceneShape->time();
IECore::ConstObjectPtr object = childInterface->readObject( time );
IECore::ConstMeshPrimitivePtr meshPtr = IECore::runTimeCast<const IECore::MeshPrimitive>( object.get() );
if ( !meshPtr )
{
return false;
}
// Calculate the snap point in object space.
MPoint worldIntersectionPoint;
selectionRayToWorldSpacePoint( camera, snapInfo, depthMin, worldIntersectionPoint );
Imath::V3f pt( worldIntersectionPoint[0], worldIntersectionPoint[1], worldIntersectionPoint[2] );
Imath::M44f objToWorld( worldTransform( childInterface.get(), time ) );
pt = pt * objToWorld.inverse();
// Get the list of vertices in the mesh.
IECore::V3fVectorData::ConstPtr pointData( meshPtr->variableData<IECore::V3fVectorData>( "P", IECore::PrimitiveVariable::Vertex ) );
const std::vector<Imath::V3f> &vertices( pointData->readable() );
// Find the vertex that is closest to the snap point.
Imath::V3d closestVertex;
float closestDistance = std::numeric_limits<float>::max();
for( std::vector<Imath::V3f>::const_iterator it( vertices.begin() ); it != vertices.end(); ++it )
{
Imath::V3d vert( *it );
float d( ( pt - vert ).length() ); // Calculate the distance between the vertex and the snap point.
if( d < closestDistance )
{
closestDistance = d;
closestVertex = vert;
}
}
// Snap to the vertex.
closestVertex *= objToWorld;
snapInfo.setSnapPoint( MPoint( closestVertex[0], closestVertex[1], closestVertex[2] ) );
return true;
}
void liqWriteArchive::writeObjectToRib(const MDagPath &objDagPath, bool writeTransform)
{
if (!isObjectVisible(objDagPath)) {
return;
}
if (debug) { cout << "liquidWriteArchive: writing object: " << objDagPath.fullPathName().asChar() << endl; }
if (objDagPath.node().hasFn(MFn::kShape) || MFnDagNode( objDagPath ).typeName() == "liquidCoorSys") {
// we're looking at a shape node, so write out the geometry to the RIB
outputObjectName(objDagPath);
liqRibNode ribNode;
ribNode.set(objDagPath, 0, MRT_Unknown);
// don't write out clipping planes
if ( ribNode.object(0)->type == MRT_ClipPlane ) return;
if ( ribNode.rib.box != "" && ribNode.rib.box != "-" ) {
RiArchiveRecord( RI_COMMENT, "Additional RIB:\n%s", ribNode.rib.box.asChar() );
}
if ( ribNode.rib.readArchive != "" && ribNode.rib.readArchive != "-" ) {
// the following test prevents a really nasty infinite loop !!
if ( ribNode.rib.readArchive != outputFilename )
RiArchiveRecord( RI_COMMENT, "Read Archive Data: \nReadArchive \"%s\"", ribNode.rib.readArchive.asChar() );
}
if ( ribNode.rib.delayedReadArchive != "" && ribNode.rib.delayedReadArchive != "-" ) {
// the following test prevents a really nasty infinite loop !!
if ( ribNode.rib.delayedReadArchive != outputFilename )
RiArchiveRecord( RI_COMMENT, "Delayed Read Archive Data: \nProcedural \"DelayedReadArchive\" [ \"%s\" ] [ %f %f %f %f %f %f ]", ribNode.rib.delayedReadArchive.asChar(), ribNode.bound[0], ribNode.bound[3], ribNode.bound[1], ribNode.bound[4], ribNode.bound[2], ribNode.bound[5]);
}
// If it's a curve we should write the basis function
if ( ribNode.object(0)->type == MRT_NuCurve ) {
RiBasis( RiBSplineBasis, 1, RiBSplineBasis, 1 );
}
if ( !ribNode.object(0)->ignore ) {
ribNode.object(0)->writeObject();
}
} else {
// we're looking at a transform node
bool wroteTransform = false;
if (writeTransform && (objDagPath.apiType() == MFn::kTransform)) {
if (debug) { cout << "liquidWriteArchive: writing transform: " << objDagPath.fullPathName().asChar() << endl; }
// push the transform onto the RIB stack
outputObjectName(objDagPath);
MFnDagNode mfnDag(objDagPath);
MMatrix tm = mfnDag.transformationMatrix();
if (true) { // (!tm.isEquivalent(MMatrix::identity)) {
RtMatrix riTM;
tm.get(riTM);
wroteTransform = true;
outputIndentation();
RiAttributeBegin();
indentLevel++;
outputIndentation();
RiConcatTransform(riTM);
}
}
// go through all the children of this node and deal with each of them
int nChildren = objDagPath.childCount();
if (debug) { cout << "liquidWriteArchive: object " << objDagPath.fullPathName().asChar() << "has " << nChildren << " children" << endl; }
for(int i=0; i<nChildren; ++i) {
if (debug) { cout << "liquidWriteArchive: writing child number " << i << endl; }
MDagPath childDagNode;
MStatus stat = MDagPath::getAPathTo(objDagPath.child(i), childDagNode);
if (stat) {
writeObjectToRib(childDagNode, outputChildTransforms);
} else {
MGlobal::displayWarning("error getting a dag path to child node of object " + objDagPath.fullPathName());
}
}
if (wroteTransform) {
indentLevel--;
outputIndentation();
RiAttributeEnd();
}
}
if (debug) { cout << "liquidWriteArchive: finished writing object: " << objDagPath.fullPathName().asChar() << endl; }
}
/**
* Export Transform node (and related animations)
*/
osg::ref_ptr<osg::Group> Transform::exporta(MObject &obj)
{
MFnDependencyNode dn(obj);
MFnTransform trfn(obj);
MMatrix mat = trfn.transformationMatrix();
osg::ref_ptr<osg::MatrixTransform> trans = new osg::MatrixTransform();
osg::Matrix osgmat;
mat.get( (double(*)[4]) osgmat.ptr() );
trans->setMatrix(osgmat);
if ( Config::instance()->getAnimTransformType() == Config::OSG_ANIMATION ) {
Animation::mapInputConnections(obj , trans ) ;
}
else {
/// Check if there is any animation connected to this Transform
MFn::Type anim_type;
if( Config::instance()->getExportAnimations() && hasAnimation(obj,anim_type)){
#ifdef _DEBUG
std::cout << "Transform " << dn.name().asChar() << " is animated" << std::endl;
#endif
// Check the Transform parameters
double shear[3];
trfn.getShear(shear);
// std::cout << "SHEAR: " << shear[0] << " " << shear[1] << " " << shear[2] << std::endl;
MPoint sp = trfn.scalePivot(MSpace::kTransform);
// std::cout << "SCALE PIVOT: " << sp.x << " " << sp.y << " " << sp.z << " " << sp.w << std::endl;
MVector spt = trfn.scalePivotTranslation(MSpace::kTransform);
// std::cout << "SCALE PIVOT TRANSLATION: " << spt.x << " " << spt.y << " " << spt.z << std::endl;
MPoint rp = trfn.rotatePivot(MSpace::kTransform);
// std::cout << "ROTATE PIVOT: " << rp.x << " " << rp.y << " " << rp.z << " " << rp.w << std::endl;
MVector rpt = trfn.rotatePivotTranslation(MSpace::kTransform);
// std::cout << "ROTATE PIVOT TRANSLATION: " << rpt.x << " " << rpt.y << " " << rpt.z << std::endl;
if( shear[0]!=0 || shear[1]!=0 || shear[2]!=0 ){
std::cerr << "WARNING (" << dn.name().asChar() << ") - shear value not supported in animated Transforms (" <<
shear[0] << ", " << shear[1] << ", " << shear[2] << ")" << std::endl;
}
if( sp.x != 0 || sp.y != 0 || sp.z != 0 || sp.w != 1 ){
std::cerr << "WARNING (" << dn.name().asChar() << ") - scale pivot not supported in animated Transforms ; SP=(" <<
sp.x << ", " << sp.y << ", " << sp.z << ", " << sp.w << ")" << std::endl;
}
if( spt.x != 0 || spt.y != 0 || spt.z != 0 ){
std::cerr << "WARNING (" << dn.name().asChar() << ") - scale pivot translation not supported in animated Transforms ; SPT=(" <<
spt.x << ", " << spt.y << ", " << spt.z << ")" << std::endl;
}
if( rp.x != 0 || rp.y != 0 || rp.z != 0 || rp.w != 1 ){
std::cerr << "WARNING (" << dn.name().asChar() << ") - rotate pivot not supported in animated Transforms ; RP=(" <<
rp.x << ", " << rp.y << ", " << rp.z << ", " << rp.w << ")" << std::endl;
}
if( rpt.x != 0 || rpt.y != 0 || rpt.z != 0 ){
std::cerr << "WARNING (" << dn.name().asChar() << ") - rotate pivot translation not supported in animated Transforms ; RPT=(" <<
rpt.x << ", " << rpt.y << ", " << rpt.z << ")" << std::endl;
}
// Create a callback to bind the animation to this transform
osg::ref_ptr< osg::AnimationPath > ap;
#ifdef GENERIC_EXPORTER
// New code to create the animation path. Independent of kind of animation.
// It bakes any animation, not only animCurves and motionPaths, but also expressions or whatever
ap = animatedTransform2AnimationPath(obj);
#else
switch(anim_type){
case MFn::kAnimCurve:
ap = animCurve2AnimationPath(obj);
break;
case MFn::kMotionPath:
ap = motionPath2AnimationPath(obj);
break;
}
#endif
trans->setUpdateCallback( new osg::AnimationPathCallback( ap.get() ));
}
} // ANIMATION_PATH
return (osg::Group *)trans.get();
}