void octreeVizNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
MDagPath camera;
view = M3dView::active3dView();
view.getCamera(camera);
MATRIX44F mat;
double clipNear, clipFar, fov;
int ispersp;
parseCamera(camera, mat, clipNear, clipFar, fov, ispersp);
view.beginGL();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glShadeModel(GL_SMOOTH);
glPointSize(3);
if(m_pTex) {
XYZ ori(0,0,0);
m_pTex->setProjection(mat, fov, ispersp);
int port[4];
glGetIntegerv(GL_VIEWPORT, port);
m_pTex->setPortWidth(port[2]);
m_pTex->drawCube();
m_pTex->testRaster(ori);
}
glPopAttrib();
view.endGL();
}
// Load the textures, update the necessary variable values, initialize register combiners,
// save and load the matrices with the proper values
//
MStatus hwRefractReflectShader_NV20::preDraw(const MDrawRequest& request, M3dView& view)
{
MStatus stat = loadTextures( request, view);
if( MS::kSuccess != stat ) return stat;
// get the reflectivity value
//
MPlug tPlug(thisMObject(), reflectivity);
if( tPlug.getValue( fReflectivity ) )
{
if( fReflectivity < 0.01f ) fReflectivity = 0.01f;
if( fReflectivity > 1.0f ) fReflectivity = 1.0f;
}
else fReflectivity = 0.5f;
// get the refraction index value
//
MPlug rPlug(thisMObject(), refractionIndex);
if( rPlug.getValue( fRefractionIndex ) )
{
if ( fRefractionIndex < 1.0f ) fRefractionIndex = 1.0f;
if ( fRefractionIndex > 2.0f ) fRefractionIndex = 2.0f;
}
else fRefractionIndex = 1.0f;
initCombiners( request, view );
// Compute the camera rotation angle and axis
//
MDagPath cameraPath;
MStatus status = view.getCamera( cameraPath );
MMatrix mmatrix = cameraPath.inclusiveMatrix( &status );
MTransformationMatrix tmatrix( mmatrix );
MQuaternion camRotation = tmatrix.rotation();
MVector camAxis;
double camTheta;
camRotation.getAxisAngle( camAxis, camTheta );
// Convert to degrees from radians
camTheta *= 57.295779513082320876798154814105; // == (180 / M_PI)
view.beginGL();
glMatrixMode( GL_TEXTURE );
glPushMatrix();
glLoadIdentity();
glScalef(1.0, -1.0, 1.0);
glRotated( camTheta, camAxis[0], camAxis[1], camAxis[2]);
glMatrixMode( GL_MODELVIEW );
view.endGL();
return stat;
}
MStatus PluginTestUserOperation::execute(const MHWRender::MDrawContext & drawContext)
{
//return MStatus::kSuccess;
M3dView view;
if(M3dView::getM3dViewFromModelPanel(panelName, view) == MStatus::kSuccess)
{
// Get the current viewport and scale it relative to that
//
int targetW, targetH;
drawContext.getRenderTargetSize(targetW, targetH);
// Some user drawing of scene bounding boxes
//
MDagPath cameraPath;
MFnCamera fnCamera;
view.getCamera(cameraPath);
MMatrix m3dViewProjection, m3dViewModelView;
view.projectionMatrix(m3dViewProjection);
view.modelViewMatrix(m3dViewModelView);
MFloatMatrix m3dFloatViewProjection(m3dViewProjection.matrix);
MFloatMatrix m3dFloatViewModelView(m3dViewModelView.matrix);
MFloatMatrix viewProjection = m3dFloatViewModelView * m3dFloatViewProjection;
SurfaceDrawTraversal traversal;
traversal.enableFiltering(true);
traversal.setFrustum(cameraPath, targetW, targetH);
traversal.traverse();
unsigned int numItems = traversal.numberOfItems();
MFnMesh fnMesh;
for (int i = 0; i < numItems; i++)
{
MDagPath path;
traversal.itemPath(i, path);
if (path.hasFn(MFn::kMesh))
{
fnMesh.setObject(path);
MFloatMatrix modelWorld(path.inclusiveMatrix().matrix);
MTransformationMatrix transformMatrix;
MFloatMatrix modelViewProjection = modelWorld * viewProjection;
modelViewProjection = modelViewProjection.transpose();
MIntArray triangleCounts;
MIntArray triangleVertices; // This is the index list for all the triangles in the mesh in one big list. Ie. first 3 are for tri 1 etc. Index into getPoints()
fnMesh.getTriangles(triangleCounts, triangleVertices);
//int indices[100];
//triangleVertices.get(indices);
MFloatPointArray vertexArray;
//float points[1000][4];
fnMesh.getPoints(vertexArray);
//vertexArray.get(points);
UserSceneRenderer::get()->render(triangleVertices, vertexArray, modelViewProjection);
}
}
}
return MStatus::kSuccess;
}
// Camera override
const MHWRender::MCameraOverride *
viewRenderUserOperation::cameraOverride()
{
if (fUserCameraOverride)
{
M3dView mView;
if (mPanelName.length() &&
(M3dView::getM3dViewFromModelPanel(mPanelName, mView) == MStatus::kSuccess))
{
mView.getCamera( mCameraOverride.mCameraPath );
return &mCameraOverride;
}
}
return NULL;
}
MStatus moveContext::doPress( MEvent & event )
{
MStatus stat = MPxSelectionContext::doPress( event );
MSpace::Space spc = MSpace::kWorld;
// If we are not in selecting mode (i.e. an object has been selected)
// then set up for the translation.
//
if ( !isSelecting() ) {
event.getPosition( startPos_x, startPos_y );
view = M3dView::active3dView();
MDagPath camera;
stat = view.getCamera( camera );
if ( stat != MS::kSuccess ) {
cerr << "Error: M3dView::getCamera" << endl;
return stat;
}
MFnCamera fnCamera( camera );
MVector upDir = fnCamera.upDirection( spc );
MVector rightDir = fnCamera.rightDirection( spc );
// Determine the camera used in the current view
//
if ( fnCamera.isOrtho() ) {
if ( upDir.isEquivalent(MVector::zNegAxis,kVectorEpsilon) ) {
currWin = TOP;
} else if ( rightDir.isEquivalent(MVector::xAxis,kVectorEpsilon) ) {
currWin = FRONT;
} else {
currWin = SIDE;
}
}
else {
currWin = PERSP;
}
// Create an instance of the move tool command.
//
cmd = (moveCmd*)newToolCommand();
cmd->setVector( 0.0, 0.0, 0.0 );
}
return stat;
}
MStatus CMayaManager::BindViewerToPanel (const char* strView)
{
//HRESULT hr= S_OK;
HWND renderwnd= NULL;
MDagPath MayaCamera;
if(strView == NULL)
strView= "";
StringCchCopyA(m_ViewerBinding, MAX_PATH, strView);
if(strView && (strView[0] != '\0'))
{
if(0 == lstrcmpiA(strView, "floating"))
{
g_Viewer.BindToWindow(NULL, true);
}
else
{
M3dView ourView;
M3dView::get3dView(0,ourView);
for(UINT iView= 0; iView < M3dView::numberOf3dViews(); iView++)
{
M3dView::get3dView(iView, ourView);
ourView.getCamera(MayaCamera);
MayaCamera.pop();
if(MayaCamera.partialPathName() == MString(strView))
{
renderwnd= (HWND)ourView.window();
g_Viewer.BindToWindow(ourView.window(), true);
break;
}
}
}
}
//e_Exit:
return MS::kSuccess;
}
MStatus RadiosityRenderer::doIt(const MArgList &args)
{
this->args = args;
windowWidth = 640;
windowHeight = 480;
SDL_Window *window = SDL_CreateWindow( "Radiosity Renderer Viewport", 0, 0, 640, 480,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE );
SDL_GLContext glcontext = SDL_GL_CreateContext(window);
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
M3dView curView = M3dView::active3dView();
MDagPath camDagPath;
curView.getCamera( camDagPath );
IterateThroughDag();
//Pass DAG to renderer, let renderer render scene...
SDL_GL_MakeCurrent(window, glcontext);
GLRenderer renderer = GLRenderer(640,480);
renderer.RenderToScreen();
SDL_GL_SwapWindow(window);
//Write pixels to render window...
prepareRenderView();
SDL_GL_MakeCurrent(window, glcontext);
renderBufferToRenderView();
sleep(1);
SDL_GL_DeleteContext(glcontext);
SDL_DestroyWindow(window);
SDL_Quit();
return MS::kSuccess;
}
MStatus RadiosityRenderer::prepareRenderView() {
if (!MRenderView::doesRenderEditorExist())
{
setResult( "Cannot renderViewRender in batch render mode. "
"Please run in interactive mode, "
"so that the render editor exists." );
return MS::kFailure;
}
else
{
printf("Past doesRenderEditorExist()");
}
// get optional flags
MArgDatabase argData( syntax(), args );
parseSyntax( argData );
M3dView curView = M3dView::active3dView();
MDagPath camDagPath;
curView.getCamera( camDagPath );
printf("Rendering camera: %s", camDagPath.fullPathName().asChar());
if( MRenderView::setCurrentCamera( camDagPath ) != MS::kSuccess )
{
setResult( "renderViewRender: error occurred in setCurrentCamera." );
return MS::kFailure;
}
if (MRenderView::startRender( windowWidth, windowHeight, doNotClearBackground) != MS::kSuccess)
{
setResult( "renderViewRender: error occured in startRender." );
return MS::kFailure;
}
return MS::kSuccess;
}
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;
}
MStatus renderViewRenderRegion::doIt( const MArgList& args )
//
// Description:
// Implements the MEL renderViewRenderRegion command. This command
// fills the currently selected Render Region with a circular blue
// and white pattern. It assumes that the Render View is currently
// displaying a 640x480 image (if it isn't, then this command will
// resize the Render View to 640x480).
//
// Arguments:
// args - the argument list that was passes to the command from MEL.
// -background/-b renders the pattern without clearing the region
//
// Return Value:
// MS::kSuccess - command succeeded
// MS::kFailure - command failed (returning this value will cause the
// MEL script that is being run to terminate unless the
// error is caught using a "catch" statement.
//
{
MStatus stat = MS::kSuccess;
unsigned int resX = 640;
unsigned int resY = 480;
// Check if the render view exists. It should always exist, unless
// Maya is running in batch mode.
//
if (!MRenderView::doesRenderEditorExist())
{
setResult( "Cannot renderViewRenderRegion in batch render mode. "
"Please run in interactive mode, "
"so that the render editor exists." );
return MS::kFailure;
}
// get optional flags
MArgDatabase argData( syntax(), args );
parseSyntax( argData );
// Pick a camera, and tell the Render View that we will be rendering
// from its point of view. Just use the camera for the active
// modelling view.
//
M3dView curView = M3dView::active3dView();
MDagPath camDagPath;
curView.getCamera( camDagPath );
cout<<"Region rendering camera"<<camDagPath.fullPathName().asChar()<<endl;
if( MRenderView::setCurrentCamera( camDagPath ) != MS::kSuccess )
{
setResult( "renderViewRenderRegion: error occurred in setCurrentCamera." );
return MS::kFailure;
}
// Retrieve the dimensions of the currently selected Render Region.
//
unsigned int regionLeft, regionRight, regionBottom, regionTop;
stat = MRenderView::getRenderRegion( regionLeft, regionRight,
regionBottom, regionTop );
if( stat != MS::kSuccess )
{
setResult( "renderViewRenderRegion: error occurred in getRenderRegion." );
return MS::kFailure;
}
// Assume that the full rendered image is 640x480, and tell the
// Render View that we're about to start rendering the given region.
//
stat = MRenderView::startRegionRender( resX, resY,
regionLeft, regionRight,
regionBottom, regionTop,
doNotClearBackground );
if( stat == MS::kSuccess )
{
cout<<"Rendering Region ("<<regionLeft<<","<<regionBottom
<<") -> ("<<regionRight<<","<<regionTop<<")"<<endl;
unsigned int width = regionRight - regionLeft + 1;
unsigned int height = regionTop - regionBottom + 1;
unsigned int numPixels = width * height;
unsigned int middleX = width / 2;
unsigned int middleY = height / 2;
// Allocate buffer to store the region
//
RV_PIXEL* pixels = new RV_PIXEL[numPixels];
// Fill the region buffer with a circular blue/white pattern centred on
// the middle of the region
//
for( unsigned int x = 0; x < width; x++ )
{
for( unsigned int y = 0; y < height; y++ )
{
int index = y*width + x;
int xCoord = x - middleX;
int yCoord = y - middleY;
pixels[index] = evaluate( xCoord, yCoord );
}
}
// Send the pixel data to the Render View.
//
stat = MRenderView::updatePixels( regionLeft, regionRight,
regionBottom, regionTop,
pixels );
if( stat != MS::kSuccess )
{
setResult( "renderViewRenderRegion: error occurred in updatePixels." );
return MS::kFailure;
}
// Force a refresh of the region in the Render View window.
//
stat = MRenderView::refresh( regionLeft, regionRight,
regionBottom, regionTop );
if( stat != MS::kSuccess )
{
setResult( "renderViewRenderRegion: error occurred in refresh." );
return MS::kFailure;
}
}
else
{
setResult( "renderViewRenderRegion: error occurred in startRegionRender." );
return MS::kFailure;
}
// Notify the Render View that we are done rendering the region.
//
stat = MRenderView::endRender();
if( stat != MS::kSuccess )
{
setResult( "renderViewRenderRegion: error occurred in endRender." );
return MS::kFailure;
}
setResult( "renderViewRenderRegion completed." );
return stat;
}
HRESULT CMayaManager::PerspectiveCamera_Synchronize()
{
MDagPath MayaCamera;
M3dView panel;
for(UINT iView= 0; iView < M3dView::numberOf3dViews(); iView++)
{
D3DXMATRIX mCamera;
M3dView::get3dView(iView, panel);
panel.getCamera(MayaCamera);
MayaCamera.pop();
MString perspNameStr( "persp" );
MString cameraNameStr = MayaCamera.partialPathName();
cameraNameStr = cameraNameStr.substring(0, perspNameStr.length()-1 );
const char* cameraName= cameraNameStr.asChar();
if(cameraNameStr == perspNameStr )
{
MayaCamera.extendToShape();
MFloatMatrix fView(MayaCamera.inclusiveMatrix().matrix );
ConvertWorldMatrix(mCamera, fView);
panel.getCamera(MayaCamera);
MFnCamera fnMayaCamera(MayaCamera.node());
MVector mUp= fnMayaCamera.upDirection();
MVector mAt= fnMayaCamera.viewDirection();
MPoint mEye= fnMayaCamera.eyePoint(MSpace::kWorld);
D3DXVECTOR3 dxEye( (float)mEye.x, (float)mEye.y, (float)-mEye.z );
D3DXVECTOR3 dxAt( (float)mAt.x, (float)mAt.y, (float)-mAt.z );
D3DXVECTOR3 dxUp( (float)mUp.x, (float)mUp.y, (float)-mUp.z );
D3DXVECTOR4 fEye;
D3DXVECTOR4 fAt;
D3DXVECTOR3 fUp;
D3DXVec3Transform(&fEye, &dxEye,(D3DXMATRIX*)&mCamera);
D3DXVec3Transform(&fAt, &dxAt,(D3DXMATRIX*)&mCamera);
D3DXVec3TransformNormal(&fUp, &dxUp,(D3DXMATRIX*)&mCamera);
D3DXMatrixLookAtLH(&PerspectiveCamera_View,
(D3DXVECTOR3*)&fEye,
(D3DXVECTOR3*)&fAt,
&fUp);
// Projection matrix
float zNear = (float)fnMayaCamera.nearClippingPlane();
float zFar = (float)fnMayaCamera.farClippingPlane();
float hFOV = (float)fnMayaCamera.horizontalFieldOfView();
float f = (float) (1.0f / (float) tan( hFOV / 2.0f ));
ZeroMemory( &PerspectiveCamera_Projection, sizeof(PerspectiveCamera_Projection) );
PerspectiveCamera_Projection._11 = f;
PerspectiveCamera_Projection._22 = f;
PerspectiveCamera_Projection._33 = (zFar+zNear) / (zFar-zNear);
PerspectiveCamera_Projection._34 = 1.0f;
PerspectiveCamera_Projection._43 = -2 * (zFar*zNear)/(zFar-zNear);
break;
}
}
return S_OK;
}
bool SceneShapeUI::select( MSelectInfo &selectInfo, MSelectionList &selectionList, MPointArray &worldSpaceSelectPts ) const
{
MStatus s;
// early out if we're not selectable. we always allow components to be selected if we're highlighted,
// but we don't allow ourselves to be selected as a whole unless meshes are in the selection mask.
// it's not ideal that we act like a mesh, but it's at least consistent with the drawing mask we use.
if( selectInfo.displayStatus() != M3dView::kHilite )
{
MSelectionMask meshMask( MSelectionMask::kSelectMeshes );
// Apparently selectInfo.selectable() still returns true when meshes are not
// displayed by the M3dView, so we are also testing the objectDisplay status.
// This was last confirmed in Maya 2014, and is presumably a Maya bug.
if( !selectInfo.selectable( meshMask ) || !selectInfo.objectDisplayStatus( M3dView::kDisplayMeshes ) )
{
return false;
}
}
// early out if we have no scene to draw
SceneShape *sceneShape = static_cast<SceneShape *>( surfaceShape() );
if( !sceneShape->getSceneInterface() )
{
return false;
}
IECoreGL::ConstScenePtr scene = sceneShape->glScene();
if( !scene )
{
return false;
}
// we want to perform the selection using an IECoreGL::Selector, so we
// can avoid the performance penalty associated with using GL_SELECT mode.
// that means we don't really want to call view.beginSelect(), but we have to
// call it just to get the projection matrix for our own selection, because as far
// as I can tell, there is no other way of getting it reliably.
M3dView view = selectInfo.view();
view.beginSelect();
Imath::M44d projectionMatrix;
glGetDoublev( GL_PROJECTION_MATRIX, projectionMatrix.getValue() );
view.endSelect();
view.beginGL();
glMatrixMode( GL_PROJECTION );
glLoadMatrixd( projectionMatrix.getValue() );
IECoreGL::Selector::Mode selectionMode = IECoreGL::Selector::IDRender;
if( selectInfo.displayStatus() == M3dView::kHilite && !selectInfo.singleSelection() )
{
selectionMode = IECoreGL::Selector::OcclusionQuery;
}
std::vector<IECoreGL::HitRecord> hits;
{
IECoreGL::Selector selector( Imath::Box2f( Imath::V2f( 0 ), Imath::V2f( 1 ) ), selectionMode, hits );
IECoreGL::State::bindBaseState();
selector.baseState()->bind();
scene->render( selector.baseState() );
if( selectInfo.displayStatus() != M3dView::kHilite )
{
// We're not in component selection mode. We'd like to be able to select the scene shape
// using the bounding box so we draw it too but only if it is visible
MPlug pDrawBound( sceneShape->thisMObject(), SceneShape::aDrawRootBound );
bool drawBound;
pDrawBound.getValue( drawBound );
if( drawBound )
{
IECoreGL::BoxPrimitive::renderWireframe( IECore::convert<Imath::Box3f>( sceneShape->boundingBox() ) );
}
}
}
view.endGL();
if( hits.empty() )
{
return false;
}
// iterate over the hits, converting them into components and also finding
// the closest one.
MIntArray componentIndices;
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 = componentIndices.length();
}
int index = sceneShape->selectionIndex( IECoreGL::NameStateComponent::nameFromGLName( hits[i].name ) );
componentIndices.append( index );
}
assert( depthMinIndex >= 0 );
// figure out the world space location of the closest hit
MDagPath camera;
view.getCamera( camera );
MPoint worldIntersectionPoint;
selectionRayToWorldSpacePoint( camera, selectInfo, depthMin, worldIntersectionPoint );
// turn the processed hits into appropriate changes to the current selection
if( selectInfo.displayStatus() == M3dView::kHilite )
{
// selecting components
MFnSingleIndexedComponent fnComponent;
MObject component = fnComponent.create( MFn::kMeshPolygonComponent, &s ); assert( s );
if( selectInfo.singleSelection() )
{
fnComponent.addElement( componentIndices[depthMinIndex] );
}
else
{
fnComponent.addElements( componentIndices );
}
MSelectionList items;
items.add( selectInfo.multiPath(), component );
MDagPath path = selectInfo.multiPath();
selectInfo.addSelection(
items, worldIntersectionPoint,
selectionList, worldSpaceSelectPts,
MSelectionMask::kSelectMeshFaces,
true
);
}
else
{
// Check if we should be able to select that object
MPlug pObjectOnly( sceneShape->thisMObject(), SceneShape::aObjectOnly );
bool objectOnly;
pObjectOnly.getValue( objectOnly );
if( objectOnly && !sceneShape->getSceneInterface()->hasObject() )
{
return true;
}
// selecting objects
MSelectionList item;
item.add( selectInfo.selectPath() );
selectInfo.addSelection(
item, worldIntersectionPoint,
selectionList, worldSpaceSelectPts,
MSelectionMask::kSelectMeshes,
false
);
}
return true;
}
MStatus sgCurveEditBrush_context::editCurve( MDagPath dagPathCurve,
int beforeX, int beforeY, int currentX, int currentY, float radius,
const MDoubleArray& dArrLength, MPointArray &points )
{
MStatus status;
if( radius < 0 ) return MS::kSuccess;
MDagPath dagPathCam;
M3dView view = M3dView::active3dView( &status );
CHECK_MSTATUS_AND_RETURN_IT( status );
view.getCamera( dagPathCam );
MPoint camPos = dagPathCam.inclusiveMatrix()[3];
MVector vCamUp = dagPathCam.inclusiveMatrix()[1];
vCamUp.normalize();
radius *= .05;
MPoint nearClipBefore;
MPoint farClipBefore;
view.viewToWorld( beforeX, beforeY, nearClipBefore, farClipBefore );
MVector rayBefore = nearClipBefore - camPos;
rayBefore.normalize();
rayBefore *= 20;
MPoint posBefore = rayBefore + camPos;
MPoint nearClipCurrent;
MPoint farClipCurrent;
view.viewToWorld( currentX, currentY, nearClipCurrent, farClipCurrent );
MVector rayCurrent = nearClipCurrent - camPos;
rayCurrent.normalize();
rayCurrent *= 20;
MPoint posCurrent = rayCurrent + camPos;
MVector vMove = posCurrent - posBefore;
MMatrix mtxCurve = dagPathCurve.inclusiveMatrix();
MFnNurbsCurve fnCurve( dagPathCurve );
fnCurve.getCVs( points );
for( int i=0; i< points.length(); i++ )
{
points[i] *= mtxCurve;
}
for( int i=1; i< points.length(); i++ )
{
MPoint cuPoint = points[i];
MVector vPoint = cuPoint - camPos;
MVector projV = ( vPoint * rayBefore )/( pow( rayBefore.length(), 2 ) )* rayBefore;
MVector vertical = vPoint - projV;
float radiusForPoint = vertical.length() / projV.length();
if( radius < radiusForPoint )
continue;
MPoint parentPoint = points[i-1];
MVector vCurveDirection = cuPoint - parentPoint;
double vDirLength = vCurveDirection.length();
MVector vEditDirection = vCurveDirection + vMove/rayBefore.length()*projV.length();
double dotEdit = vCurveDirection.normal() * vEditDirection.normal();
if( dotEdit < 0 ) continue;
vEditDirection = vEditDirection * dotEdit + vCurveDirection*( 1-dotEdit );
MVector vEditLength = vEditDirection / vEditDirection.length() * vCurveDirection.length();
MVector vEdit = (vEditLength - vCurveDirection) * pow((double)(1-radiusForPoint/radius), 1 );
points[i] += vEdit;
for( int j=i+1; j< points.length(); j++ )
{
MPoint beforePoint = points[j];
MPoint pPoint = points[j-1];
MPoint beforePPoint = pPoint - vEdit;
MVector vBefore = points[j] - beforePPoint;
MVector vAfter = points[j] - pPoint;
MVector vCurrent = vAfter.normal() * dArrLength[j];
points[j] = vCurrent + pPoint;
vEdit = points[j] - beforePoint;
}
}
MMatrix invMtxCurve = mtxCurve.inverse();
for( int i=0; i< points.length(); i++ )
{
points[i] *= invMtxCurve;
}
fnCurve.setCVs( points );
fnCurve.updateCurve();
return MS::kSuccess;
}
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;
}
bool DrawableHolderUI::select( MSelectInfo &selectInfo, MSelectionList &selectionList, MPointArray &worldSpaceSelectPts ) const
{
MStatus s;
// early out if we're not selectable. we always allow components to be selected if we're highlighted,
// but we don't allow ourselves to be selected as a whole unless meshes are in the selection mask.
// it's not ideal that we act like a mesh, but it's at least consistent with the drawing mask we use.
if( selectInfo.displayStatus() != M3dView::kHilite )
{
MSelectionMask meshMask( MSelectionMask::kSelectMeshes );
if( !selectInfo.selectable( meshMask ) )
{
return false;
}
}
// early out if we have no scene to draw
DrawableHolder *drawableHolder = static_cast<DrawableHolder *>( surfaceShape() );
IECoreGL::ConstScenePtr scene = drawableHolder->scene();
if( !scene )
{
return false;
}
// we want to perform the selection using an IECoreGL::Selector, so we
// can avoid the performance penalty associated with using GL_SELECT mode.
// that means we don't really want to call view.beginSelect(), but we have to
// call it just to get the projection matrix for our own selection, because as far
// as i can tell, there is no other way of getting it reliably.
M3dView view = selectInfo.view();
view.beginSelect();
Imath::M44d projectionMatrix;
glGetDoublev( GL_PROJECTION_MATRIX, projectionMatrix.getValue() );
view.endSelect();
view.beginGL();
glMatrixMode( GL_PROJECTION );
glLoadMatrixd( projectionMatrix.getValue() );
IECoreGL::Selector::Mode selectionMode = IECoreGL::Selector::IDRender;
if( selectInfo.displayStatus() == M3dView::kHilite && !selectInfo.singleSelection() )
{
selectionMode = IECoreGL::Selector::OcclusionQuery;
}
std::vector<IECoreGL::HitRecord> hits;
{
IECoreGL::Selector selector( Imath::Box2f( Imath::V2f( 0 ), Imath::V2f( 1 ) ), selectionMode, hits );
IECoreGL::State::bindBaseState();
selector.baseState()->bind();
scene->render( selector.baseState() );
}
view.endGL();
if( !hits.size() )
{
return false;
}
// find the depth of the closest hit:
MIntArray componentIndices;
float depthMin = std::numeric_limits<float>::max();
for( int i=0, e = hits.size(); i < e; i++ )
{
if( hits[i].depthMin < depthMin )
{
depthMin = hits[i].depthMin;
}
}
// figure out the world space location of the closest hit
MDagPath camera;
view.getCamera( camera );
MFnCamera fnCamera( camera.node() );
float near = fnCamera.nearClippingPlane();
float far = fnCamera.farClippingPlane();
float z = -1;
if( fnCamera.isOrtho() )
{
z = Imath::lerp( near, far, depthMin );
}
else
{
// perspective camera - depth isn't linear so linearise to get z
float a = far / ( far - near );
float b = far * near / ( near - far );
z = b / ( depthMin - a );
}
MPoint localRayOrigin;
MVector localRayDirection;
selectInfo.getLocalRay( localRayOrigin, localRayDirection );
MMatrix localToCamera = selectInfo.selectPath().inclusiveMatrix() * camera.inclusiveMatrix().inverse();
MPoint cameraRayOrigin = localRayOrigin * localToCamera;
MVector cameraRayDirection = localRayDirection * localToCamera;
MPoint cameraIntersectionPoint = cameraRayOrigin + cameraRayDirection * ( -( z - near ) / cameraRayDirection.z );
MPoint worldIntersectionPoint = cameraIntersectionPoint * camera.inclusiveMatrix();
MSelectionList item;
item.add( selectInfo.selectPath() );
selectInfo.addSelection(
item, worldIntersectionPoint,
selectionList, worldSpaceSelectPts,
MSelectionMask::kSelectMeshes,
false
);
return true;
}
MStatus MayaRenderView::redoIt()
{
MStatus retStatus;
//get the camera
MDagPath camera;
if(_camera != std::string("")){
MObject node = getNode(MString(_camera.c_str()),&retStatus);
camera.getAPathTo(node);
}
else
{
M3dView view = M3dView::active3dView(&retStatus);
CHECKERR(retStatus,"M3dView::active3dView");
retStatus = view.getCamera(camera);
CHECKERR(retStatus,"M3dView::active3dView");
}
MString integrator;
MFnDependencyNode globals(raytraceGlobalsNode::get());
getCustomAttribute(integrator, "integrator", globals);
cout << "Integrator: " << integrator.asChar() << endl;
MString intersector;
getCustomAttribute(intersector, "intersector", globals);
cout << "Intersector: " << intersector.asChar() << endl;
MString sampler;
getCustomAttribute(sampler, "sampler", globals);
cout << "Sampler: " << sampler.asChar() << endl;
//set the renderview
retStatus = MRenderView::setCurrentCamera (camera );
CHECKERR(retStatus,"MRenderView::setCurrentCamera (camera )");
cout << "Camera: " << camera.fullPathName().asChar() << endl;
int xSize = _resolution.x(),ySize = _resolution.y();
// raytrace things
MayaSceneReader* mayaReader(new MayaSceneReader());
boost::shared_ptr<Raytrace::ISceneReader> sceneReader(mayaReader);
mayaReader->SetResolution(_resolution);
mayaReader->SetCamera(camera);
Raytrace::Output output = Raytrace::CreateCustomOutput(sceneReader,"mayaOutput");
RV_PIXEL* pixels = new RV_PIXEL[xSize*ySize];
MRenderView::startRender ( xSize, ySize, true, true );
output->SetIntegrator(integrator.asChar());
output->SetIntersector(intersector.asChar());
output->SetSampler(sampler.asChar());
output->SetOutputSurface(pixels, sizeof(RV_PIXEL)*xSize*ySize, xSize, ySize, Raytrace::IOutput::FORMAT_RGBA_F32);
output->Refresh();
std::cout << "Begin Rendering" << std::endl;
Raytrace::String status;
while(true)
{
if(output->GetLastFrameInfo(status) == Raytrace::Result::RenderingComplete)
break;
std::cout << "Update Output : " << status << std::endl;
output->UpdateOutput();
MRenderView::updatePixels(0,xSize-1,0,ySize-1, pixels,true);
MRenderView::refresh(0,xSize-1,0,ySize-1);
Sleep(1000);
}
std::cout << "Complete Rendering: " << status << std::endl;
output->UpdateOutput();
MRenderView::updatePixels(0,xSize-1,0,ySize-1, pixels,true);
MRenderView::endRender();
return MS::kSuccess;
}
void ProxyViz::draw( M3dView & view, const MDagPath & path,
M3dView::DisplayStyle style,
M3dView::DisplayStatus status )
{
if(!m_enableCompute) return;
MObject thisNode = thisMObject();
updateWorldSpace(thisNode);
MPlug mutxplug( thisNode, axmultiplier);
MPlug mutyplug( thisNode, aymultiplier);
MPlug mutzplug( thisNode, azmultiplier);
setScaleMuliplier(mutxplug.asFloat(),
mutyplug.asFloat(),
mutzplug.asFloat() );
MPlug svtPlug(thisNode, adisplayVox);
setShowVoxLodThresold(svtPlug.asFloat() );
MDagPath cameraPath;
view.getCamera(cameraPath);
if(hasView() ) updateViewFrustum(thisNode);
else updateViewFrustum(cameraPath);
setViewportAspect(view.portWidth(), view.portHeight() );
MPlug actp(thisNode, aactivated);
if(actp.asBool()) setWireColor(.125f, .1925f, .1725f);
else setWireColor(.0675f, .0675f, .0675f);
_viewport = view;
fHasView = 1;
view.beginGL();
double mm[16];
matrix_as_array(_worldInverseSpace, mm);
glPushMatrix();
glMultMatrixd(mm);
ExampVox * defBox = plantExample(0);
updateGeomBox(defBox, thisNode);
drawWireBox(defBox->geomCenterV(), defBox->geomScale() );
Matrix44F mat;
mat.setFrontOrientation(Vector3F::YAxis);
mat.scaleBy(defBox->geomSize() );
mat.glMatrix(m_transBuf);
drawCircle(m_transBuf);
drawGridBounding();
// drawGrid();
if ( style == M3dView::kFlatShaded ||
style == M3dView::kGouraudShaded ) {
drawPlants();
}
else
drawWiredPlants();
if(hasView() ) drawViewFrustum();
drawBrush(view);
drawActivePlants();
drawGround();
glPopMatrix();
view.endGL();
std::cout<<" viz node draw end";
}
bool ProceduralHolderUI::select( MSelectInfo &selectInfo, MSelectionList &selectionList, MPointArray &worldSpaceSelectPts ) const
{
MStatus s;
// early out if we're not selectable. we always allow components to be selected if we're highlighted,
// but we don't allow ourselves to be selected as a whole unless meshes are in the selection mask.
// it's not ideal that we act like a mesh, but it's at least consistent with the drawing mask we use.
if( selectInfo.displayStatus() != M3dView::kHilite )
{
MSelectionMask meshMask( MSelectionMask::kSelectMeshes );
if( !selectInfo.selectable( meshMask ) )
{
return false;
}
}
// early out if we have no scene to draw
ProceduralHolder *proceduralHolder = static_cast<ProceduralHolder *>( surfaceShape() );
IECoreGL::ConstScenePtr scene = proceduralHolder->scene();
if( !scene )
{
return false;
}
// we want to perform the selection using an IECoreGL::Selector, so we
// can avoid the performance penalty associated with using GL_SELECT mode.
// that means we don't really want to call view.beginSelect(), but we have to
// call it just to get the projection matrix for our own selection, because as far
// as i can tell, there is no other way of getting it reliably.
M3dView view = selectInfo.view();
view.beginSelect();
Imath::M44d projectionMatrix;
glGetDoublev( GL_PROJECTION_MATRIX, projectionMatrix.getValue() );
view.endSelect();
view.beginGL();
glMatrixMode( GL_PROJECTION );
glLoadMatrixd( projectionMatrix.getValue() );
IECoreGL::Selector::Mode selectionMode = IECoreGL::Selector::IDRender;
if( selectInfo.displayStatus() == M3dView::kHilite && !selectInfo.singleSelection() )
{
selectionMode = IECoreGL::Selector::OcclusionQuery;
}
std::vector<IECoreGL::HitRecord> hits;
{
IECoreGL::Selector selector( Imath::Box2f( Imath::V2f( 0 ), Imath::V2f( 1 ) ), selectionMode, hits );
IECoreGL::State::bindBaseState();
selector.baseState()->bind();
scene->render( selector.baseState() );
if( selectInfo.displayStatus() != M3dView::kHilite )
{
// we're not in component selection mode. we'd like to be able to select the procedural
// object using the bounding box so we draw it too.
MPlug pDrawBound( proceduralHolder->thisMObject(), ProceduralHolder::aDrawBound );
bool drawBound = true;
pDrawBound.getValue( drawBound );
if( drawBound )
{
IECoreGL::BoxPrimitive::renderWireframe( IECore::convert<Imath::Box3f>( proceduralHolder->boundingBox() ) );
}
}
}
view.endGL();
if( !hits.size() )
{
return false;
}
// iterate over the hits, converting them into components and also finding
// the closest one.
MIntArray componentIndices;
float depthMin = std::numeric_limits<float>::max();
int depthMinIndex = -1;
for( int i=0, e = hits.size(); i < e; i++ )
{
if( hits[i].depthMin < depthMin )
{
depthMin = hits[i].depthMin;
depthMinIndex = componentIndices.length();
}
ProceduralHolder::ComponentsMap::const_iterator compIt = proceduralHolder->m_componentsMap.find( hits[i].name.value() );
assert( compIt != proceduralHolder->m_componentsMap.end() );
componentIndices.append( compIt->second.first );
}
assert( depthMinIndex >= 0 );
// figure out the world space location of the closest hit
MDagPath camera;
view.getCamera( camera );
MFnCamera fnCamera( camera.node() );
float near = fnCamera.nearClippingPlane();
float far = fnCamera.farClippingPlane();
float z = -1;
if( fnCamera.isOrtho() )
{
z = Imath::lerp( near, far, depthMin );
}
else
{
// perspective camera - depth isn't linear so linearise to get z
float a = far / ( far - near );
float b = far * near / ( near - far );
z = b / ( depthMin - a );
}
MPoint localRayOrigin;
MVector localRayDirection;
selectInfo.getLocalRay( localRayOrigin, localRayDirection );
MMatrix localToCamera = selectInfo.selectPath().inclusiveMatrix() * camera.inclusiveMatrix().inverse();
MPoint cameraRayOrigin = localRayOrigin * localToCamera;
MVector cameraRayDirection = localRayDirection * localToCamera;
MPoint cameraIntersectionPoint = cameraRayOrigin + cameraRayDirection * ( -( z - near ) / cameraRayDirection.z );
MPoint worldIntersectionPoint = cameraIntersectionPoint * camera.inclusiveMatrix();
// turn the processed hits into appropriate changes to the current selection
if( selectInfo.displayStatus() == M3dView::kHilite )
{
// selecting components
MFnSingleIndexedComponent fnComponent;
MObject component = fnComponent.create( MFn::kMeshPolygonComponent, &s ); assert( s );
if( selectInfo.singleSelection() )
{
fnComponent.addElement( componentIndices[depthMinIndex] );
}
else
{
fnComponent.addElements( componentIndices );
}
MSelectionList items;
items.add( selectInfo.multiPath(), component );
selectInfo.addSelection(
items, worldIntersectionPoint,
selectionList, worldSpaceSelectPts,
MSelectionMask::kSelectMeshFaces,
true
);
}
else
{
// selecting objects
MSelectionList item;
item.add( selectInfo.selectPath() );
selectInfo.addSelection(
item, worldIntersectionPoint,
selectionList, worldSpaceSelectPts,
MSelectionMask::kSelectMeshes,
false
);
}
return true;
}
/* virtual */
MStatus hwDecalBumpShader_NV20::bind(const MDrawRequest& request, M3dView& view)
{
MStatus status;
// Get the diffuse color
//
float diffuse_color[4];
status = getFloat3(color, diffuse_color);
diffuse_color[3] = 1.0;
if (!status)
return status;
// Get the light color
//
float light_color[4];
light_color[3] = 1.0f;
status = getFloat3(lightColor, light_color);
if (!status)
return status;
// Get the light direction (for directionalLight)
//
status = getFloat3(light, &lightRotation[0]);
if (!status)
return status;
// Get the bumpScale value
//
float bumpScaleValue = 2.0f;
// Get the bumpMap type
//
bool isHeightFieldMap = true;
// Direction of the directional light
//
// Convert the light direction (which is assumed in originally be in world space, in euler coordinates)
// into an eye space vector.
//
double scale = M_PI/180.0; // Internal rotations are in radian and not in degrees
MEulerRotation lightRot( lightRotation[0] * scale, lightRotation[1] * scale, lightRotation[2] * scale );
MVector light_v = MVector(0, 0, -1).rotateBy( lightRot ); // WS light vector
MDagPath camDag;
view.getCamera(camDag);
light_v = light_v * camDag.inclusiveMatrixInverse();
lightRotation[0] = (float) light_v[0];
lightRotation[1] = (float) light_v[1];
lightRotation[2] = (float) light_v[2];
// Get the camera position
//
status = getFloat3(camera, &cameraPos[0]);
if (!status)
return status;
// Get the decal and bump map file names
//
MString decalName = "";
MString bumpName = "";
ShadingConnection colorConnection(thisMObject(), request.multiPath().partialPathName(), "color");
ShadingConnection bumpConnection (thisMObject(), request.multiPath().partialPathName(), "bump");
// If the color attribute is ultimately connected to a file texture, find its filename.
// otherwise use the default color texture.
if (colorConnection.type() == ShadingConnection::TEXTURE &&
colorConnection.texture().hasFn(MFn::kFileTexture))
{
// Get the filename of the texture.
MFnDependencyNode textureNode(colorConnection.texture());
MPlug filenamePlug( colorConnection.texture(), textureNode.attribute(MString("fileTextureName")) );
filenamePlug.getValue(decalName);
}
// If the bump attribute is ultimately connected to a file texture, find its filename.
// otherwise use the default bump texture.
if (bumpConnection.type() == ShadingConnection::TEXTURE &&
bumpConnection.texture().hasFn(MFn::kFileTexture))
{
// Get the filename of the texture.
MFnDependencyNode textureNode(colorConnection.texture());
MPlug filenamePlug( bumpConnection.texture(), textureNode.attribute(MString("fileTextureName")) );
filenamePlug.getValue(bumpName);
}
// Fail safe quit
//
if (bumpName.length() == 0 ||
decalName.length() == 0)
{
view.beginGL();
glPushAttrib( GL_ALL_ATTRIB_BITS ); // This might be too conservative
glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
glColor4fv(diffuse_color);
view.endGL();
return MS::kSuccess;
}
view.beginGL();
glPushAttrib( GL_ALL_ATTRIB_BITS );
glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
/* Starts Here... */
glEnable(GL_TEXTURE_SHADER_NV);
// stage 0 -- decal map
glActiveTextureARB( GL_TEXTURE0_ARB );
if(m_pTextureCache)
m_pTextureCache->bind(colorConnection.texture(), MTexture::RGBA, false);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
// stage 1 -- bumpped normal map
glActiveTextureARB( GL_TEXTURE1_ARB );
// We need to be able to pass the bumpScaleValue
// to the texture cache and rebuild the bump or normal map
if( isHeightFieldMap ) {
// convert the HeightField to the NormalMap
if(m_pTextureCache)
m_pTextureCache->bind(bumpConnection.texture(), MTexture::NMAP, false);
}
else {
if(m_pTextureCache)
m_pTextureCache->bind(bumpConnection.texture(), MTexture::RGBA, false);
}
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_TEXTURE_2D);
// stage 2 -- dot product (diffuse component)
glActiveTextureARB( GL_TEXTURE2_ARB );
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_DOT_PRODUCT_NV);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_RGBA_UNSIGNED_DOT_PRODUCT_MAPPING_NV, GL_EXPAND_NORMAL_NV);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE1_ARB);
// stage 3 -- dot product (specular component)
glActiveTextureARB( GL_TEXTURE3_ARB );
bind_lookup_table(); // 2D texture to get the diffuse and specular illumination
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_DOT_PRODUCT_TEXTURE_2D_NV);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_RGBA_UNSIGNED_DOT_PRODUCT_MAPPING_NV, GL_EXPAND_NORMAL_NV);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE1_ARB);
// With light color and intensity
//
glCombinerParameterfvNV(GL_CONSTANT_COLOR0_NV, diffuse_color);
glCombinerParameterfvNV(GL_CONSTANT_COLOR1_NV, light_color);
// The register combiner will do the multiplication between
// the illumination and the decal color
//
glEnable(GL_REGISTER_COMBINERS_NV);
#ifndef DEBUGGING_VERTEX_PROGRAM
glCombinerParameteriNV(GL_NUM_GENERAL_COMBINERS_NV, 2);
#else
// For testing, only use one general register combiner.
glCombinerParameteriNV(GL_NUM_GENERAL_COMBINERS_NV, 1);
#endif
float constColor0[4];
constColor0[0] = constColor0[1] = constColor0[2] = constColor0[3] = 1.0;
glCombinerParameterfvNV(GL_CONSTANT_COLOR0_NV, constColor0);
#ifndef DEBUGGING_VERTEX_PROGRAM
// Combiner stage 0 does the illumination modulation on the surface decal color
//
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_A_NV, GL_TEXTURE0_ARB, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_B_NV, GL_TEXTURE3_ARB, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_C_NV, GL_TEXTURE0_ARB, GL_UNSIGNED_IDENTITY_NV, GL_ALPHA);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_D_NV, GL_TEXTURE3_ARB, GL_UNSIGNED_IDENTITY_NV, GL_ALPHA);
glCombinerOutputNV(GL_COMBINER0_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV, GL_SPARE1_NV,
GL_NONE, GL_NONE, GL_FALSE, GL_FALSE, GL_FALSE);
// Combiner stage 1, modulate the surface color by the light color
//
glCombinerInputNV(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_A_NV, GL_SPARE1_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerInputNV(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_B_NV, GL_CONSTANT_COLOR1_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerOutputNV(GL_COMBINER1_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV, GL_SPARE1_NV,
GL_NONE, GL_NONE, GL_FALSE, GL_FALSE, GL_FALSE);
#else
// Simplified register combiners to help debugging vertex program.
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_A_NV, GL_PRIMARY_COLOR_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_B_NV, GL_CONSTANT_COLOR0_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_C_NV, GL_TEXTURE0_ARB, GL_UNSIGNED_IDENTITY_NV, GL_ALPHA);
glCombinerInputNV(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_D_NV, GL_TEXTURE3_ARB, GL_UNSIGNED_IDENTITY_NV, GL_ALPHA);
glCombinerOutputNV(GL_COMBINER0_NV, GL_RGB, GL_SPARE1_NV, GL_DISCARD_NV, GL_DISCARD_NV,
GL_NONE, GL_NONE, GL_FALSE, GL_FALSE, GL_FALSE);
#endif // DEBUGGING_VERTEX_PROGRAM
// The final Combiner just pass through
//
glFinalCombinerInputNV(GL_VARIABLE_A_NV, GL_ZERO, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glFinalCombinerInputNV(GL_VARIABLE_B_NV, GL_ZERO, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glFinalCombinerInputNV(GL_VARIABLE_C_NV, GL_ZERO, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
glFinalCombinerInputNV(GL_VARIABLE_D_NV, GL_SPARE1_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
view.endGL();
return MS::kSuccess;
}
