/** Create a RIB representation of the given node in the DAG as a ribgen.
*/
liqRibObj::liqRibObj( const MDagPath &path, ObjectType objType )
:
written( 0 ),
instanceMatrices(),
objectHandle( NULL ),
referenceCount( 0 ),
data()
{
LIQDEBUGPRINTF( "-> creating dag node handle rep\n");
MStatus status;
MObject obj( path.node() );
MObject skip;
//lightSources = NULL;
MFnDagNode nodeFn( obj );
// Store the matrices for all instances of this node at this time
// so that they can be used to determine if this node's transformation
// is animated. This information is used for doing motion blur.
MDagPathArray instanceArray;
nodeFn.getAllPaths( instanceArray );
unsigned last( instanceArray.length() );
instanceMatrices.resize( last );
for ( unsigned i( 0 ); i < last; i++ ) instanceMatrices[ i ] = instanceArray[ i ].inclusiveMatrix();
LIQDEBUGPRINTF( "-> checking handles display status\n");
ignore = !areObjectAndParentsVisible( path );
if ( !ignore ) ignore = !areObjectAndParentsTemplated( path );
if ( !ignore ) ignore = !isObjectPrimaryVisible( path );
// check that the shape's transform does not a have a liqIgnoreShapes attribute.
ignoreShapes = false;
MDagPath searchPath( path );
while ( searchPath.apiType() != ( MFn::kTransform ) && searchPath.length() > 1 ) searchPath.pop();
MFnDagNode transformDN( searchPath );
status.clear();
MPlug ignorePlug = transformDN.findPlug( "liqIgnoreShapes", &status );
if ( status == MS::kSuccess ) ignorePlug.getValue( ignoreShapes );
ignoreShadow = !isObjectCastsShadows( path );
if ( !ignoreShadow ) ignoreShadow = !areObjectAndParentsVisible( path );
if ( !ignoreShadow ) ignoreShadow = !areObjectAndParentsTemplated( path );
receiveShadow = isObjectReceivesShadows( path );
// don't bother storing it if it's not going to be visible!
LIQDEBUGPRINTF( "-> about to create rep\n");
if ( !ignore || !ignoreShadow )
{
if ( objType == MRT_RibGen )
{
type = MRT_RibGen;
data = liqRibDataPtr( new liqRibGenData( obj, path ) );
}
else
{
// check to see if object's class is derived from liqCustomNode
liqCustomNode *customNode( NULL );
MFnDependencyNode mfnDepNode( obj, &status );
if ( status )
{
MPxNode *mpxNode( mfnDepNode.userNode() );
if ( mpxNode )
customNode = dynamic_cast< liqCustomNode* >( mpxNode ); // will be NULL if cast is not invalid
}
// Store the geometry/light/shader data for this object in RIB format
if ( customNode )
{
type = MRT_Custom;
data = liqRibDataPtr( new liqRibCustomNode( (( !ignoreShapes )? obj : skip ), customNode ) );
}
else if ( obj.hasFn(MFn::kNurbsSurface) )
{
type = MRT_Nurbs;
data = liqRibDataPtr( new liqRibSurfaceData( ( !ignoreShapes )? obj : skip ) );
}
else if ( obj.hasFn(MFn::kSubdiv) )
{
type = MRT_Subdivision;
data = liqRibDataPtr( new liqRibMayaSubdivisionData( ( !ignoreShapes )? obj : skip ) );
}
else if ( obj.hasFn(MFn::kNurbsCurve) )
{
type = MRT_NuCurve;
data = liqRibDataPtr( new liqRibNuCurveData( ( !ignoreShapes )? obj : skip ) );
}
else if ( obj.hasFn(MFn::kPfxGeometry) )
{
type = objType;
data = liqRibDataPtr( new liqRibPfxData( (( !ignoreShapes )? obj : skip), objType ) );
}
else if ( obj.hasFn( MFn::kPfxToon ) )
{
type = MRT_PfxToon;
data = liqRibDataPtr( new liqRibPfxToonData( ( !ignoreShapes )? obj : skip ) );
}
else if ( obj.hasFn( MFn::kPfxHair ) )
{
type = MRT_PfxHair;
//LIQDEBUGPRINTF( "--> new liqRibPfxHairData\n");
data = liqRibDataPtr( new liqRibPfxHairData( ( !ignoreShapes )? obj : skip ) );
}
else if ( obj.hasFn( MFn::kParticle ) || obj.hasFn( MFn::kNParticle ) )
{
type = MRT_Particles;
data = liqRibDataPtr( new liqRibParticleData( ( !ignoreShapes )? obj : skip ) );
}
// if you want to use plugin shapes as placeholders for example
// i.e. you want to use shave & haircut and attach a custom shader to it
else if ( obj.hasFn( MFn::kPluginShape ) )
{
type = MRT_Weirdo; // lets use this at least once :)
data = liqRibDataPtr( new liqRibSurfaceData( skip ) ); // you could use any here
}
else if ( obj.hasFn( MFn::kMesh ) )
{
float areaIntensity;
// may be explicit "areaLight" attribute would be better ...
liquidGetPlugValue( nodeFn, "areaIntensity", areaIntensity, status );
if ( status == MS::kSuccess )
{
// it should be AreaLight ( until better solution...)
type = MRT_Light;
data = liqRibDataPtr( new liqAreaLightData( ( !ignoreShapes )? obj : skip ) );
}
else
{
// we know we are dealing with a mesh here, now we check to see if it
// needs to be handled as a subdivision surface
bool usingSubdiv ( false );
liquidGetPlugValue( nodeFn, "liqSubdiv", usingSubdiv, status );
bool usingSubdivOld ( false );
liquidGetPlugValue( nodeFn, "subDMesh", usingSubdivOld, status );
// make Liquid understand MTOR subdiv attribute
bool usingSubdivMtor ( false );
if ( liqglo_useMtorSubdiv )
liquidGetPlugValue( nodeFn, "mtorSubdiv", usingSubdivMtor, status );
usingSubdiv |= usingSubdivMtor | usingSubdivOld;
if ( usingSubdiv )
{
// we've got a subdivision surface
bool useHierarchicalSubdiv ( false );
liquidGetPlugValue( nodeFn, "liqHierarchicalSubdiv", useHierarchicalSubdiv, status );
type = MRT_Subdivision;
if ( useHierarchicalSubdiv )
data = liqRibDataPtr( new liqRibHierarchicalSubdivisionData( ( !ignoreShapes )? obj : skip ) );
else
data = liqRibDataPtr( new liqRibSubdivisionData( ( !ignoreShapes )? obj : skip ) );
}
else
{
// it's a regular mesh
type = MRT_Mesh;
data = liqRibDataPtr( new liqRibMeshData( ( !ignoreShapes )? obj : skip ) );
}
}
}
else if ( obj.hasFn( MFn::kLight ) )
{
type = MRT_Light;
data = liqRibDataPtr( new liqRibLightData( path ) );
}
else if ( obj.hasFn( MFn::kLocator ) )
{
if ( mfnDepNode.typeName() == "liquidCoordSys" )
{
MStatus status;
int coordSysType = 0;
MPlug typePlug( mfnDepNode.findPlug( "type", &status ) );
if ( MS::kSuccess == status ) typePlug.getValue( coordSysType );
if ( coordSysType == 5 )
{
type = MRT_ClipPlane;
data = liqRibDataPtr( new liqRibClipPlaneData( obj ) );
}
else
{
type = MRT_Coord;
data = liqRibDataPtr( new liqRibCoordData( obj ) );
}
}
else
{
bool isCurveGroup( false );
if ( mfnDepNode.typeName() == "liqBoundingBoxLocator" )
{
liquidGetPlugValue( mfnDepNode, "liquidCurveGroup", isCurveGroup, status );
if ( isCurveGroup )
{
type = MRT_Curves;
//if ( liqglo_renderAllCurves ) data = liqRibDataPtr( new liqRibCurvesData( obj ) );
//else data = liqRibDataPtr( new liqRibCurvesData( skip ) );
data = liqRibDataPtr( new liqRibCurvesData( obj ) );
}
}
if ( !isCurveGroup )
{
type = MRT_Locator;
data = liqRibDataPtr( new liqRibLocatorData( obj ) );
}
}
}
else if ( obj.hasFn( MFn::kImplicitSphere ) )
{
type = MRT_ImplicitSphere;
if ( !ignoreShapes ) data = liqRibDataPtr( new liqRibImplicitSphereData( obj ) );
else data = liqRibDataPtr( new liqRibImplicitSphereData( skip ) );
}
}
data->objDagPath = path;
}
LIQDEBUGPRINTF( "==> done creating rep %s\n", path.fullPathName().asChar() );
}
void liqCoordSysNode::draw( M3dView & view, const MDagPath & /*path*/,
M3dView::DisplayStyle displaystyle,
M3dView::DisplayStatus displaystatus )
{
// Get the type
//
MObject thisNode = thisMObject();
MPlug typePlug( thisNode, aCoordType );
CHECK_MSTATUS(typePlug.getValue( m_coordType ));
MPlug colorPlug( thisNode, aCoordColor );
CHECK_MSTATUS(colorPlug.child(0).getValue( m_coordColor.r ));
CHECK_MSTATUS(colorPlug.child(1).getValue( m_coordColor.g ));
CHECK_MSTATUS(colorPlug.child(2).getValue( m_coordColor.b ));
MPlug opacityPlug( thisNode, aCoordOpacity );
CHECK_MSTATUS(opacityPlug.getValue( m_coordColor.a ));
view.beginGL();
// Draw the arrows
//
glPushAttrib( GL_ALL_ATTRIB_BITS );
glBegin( GL_LINES );
glColor4f( 1.0f, 0.0f, 0.0f, 1.0f );
glVertex3f( 0.00f, 0.00f, 0.00f );
glVertex3f( 0.50f, 0.00f, 0.00f );
glVertex3f( 0.50f, 0.00f, 0.00f );
glVertex3f( 0.40f, -0.05f, 0.00f );
glVertex3f( 0.40f, -0.05f, 0.00f );
glVertex3f( 0.40f, 0.00f, 0.00f );
glColor4f( 0.0f, 1.0f, 0.0f, 1.0f );
glVertex3f( 0.00f, 0.00f, 0.00f );
glVertex3f( 0.00f, 0.50f, 0.00f );
glVertex3f( 0.00f, 0.50f, 0.00f );
glVertex3f( 0.05f, 0.40f, 0.00f );
glVertex3f( 0.05f, 0.40f, 0.00f );
glVertex3f( 0.00f, 0.40f, 0.00f );
glColor4f( 0.0f, 0.0f, 1.0f, 1.0f );
glVertex3f( 0.00f, 0.00f, 0.00f );
glVertex3f( 0.00f, 0.00f, 0.50f );
glVertex3f( 0.00f, 0.00f, 0.50f );
glVertex3f( 0.00f, -0.05f, 0.40f );
glVertex3f( 0.00f, -0.05f, 0.40f );
glVertex3f( 0.00f, 0.00f, 0.40f );
glEnd();
glPopAttrib();
// draw the warious primitives
//
switch( m_coordType )
{
case 0:
// PLANE
glPushAttrib( GL_ALL_ATTRIB_BITS );
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glBegin( GL_LINES );
glVertex3f( -0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, -0.50f, 0.00f );
glVertex3f( 0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, 0.50f, 0.00f );
glEnd();
glPopAttrib();
break;
case 1:
// SPHERE
{
glPushAttrib( GL_ALL_ATTRIB_BITS );
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glRotatef( -90.0f, 1.0f, 0.0f, 0.0f );
GLUquadricObj* pQuadric = gluNewQuadric();
gluQuadricDrawStyle( pQuadric, GLU_LINE);
gluSphere( pQuadric, 0.5f , 10, 6);
gluDeleteQuadric(pQuadric);
glPopAttrib();
}
break;
case 2:
// CYLINDER
{
glPushAttrib( GL_ALL_ATTRIB_BITS );
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glTranslatef( 0.0f, -0.5f, 0.0f );
glRotatef( -90.0f, 1.0f, 0.0f, 0.0f );
GLUquadricObj* pQuadric = gluNewQuadric();
gluQuadricDrawStyle( pQuadric, GLU_LINE);
gluCylinder( pQuadric, 0.5f , 0.5f, 1.0f, 10, 2);
gluDeleteQuadric(pQuadric);
glPopAttrib();
}
break;
case 3:
// CUBE
glPushAttrib( GL_ALL_ATTRIB_BITS );
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glBegin( GL_LINES );
glVertex3f( -0.50f, 0.50f, -0.50f );
glVertex3f( 0.50f, 0.50f, -0.50f );
glVertex3f( 0.50f, 0.50f, -0.50f );
glVertex3f( 0.50f, 0.50f, 0.50f );
glVertex3f( 0.50f, 0.50f, 0.50f );
glVertex3f( -0.50f, 0.50f, 0.50f );
glVertex3f( -0.50f, 0.50f, 0.50f );
glVertex3f( -0.50f, 0.50f, -0.50f );
glVertex3f( -0.50f, -0.50f, -0.50f );
glVertex3f( 0.50f, -0.50f, -0.50f );
glVertex3f( 0.50f, -0.50f, -0.50f );
glVertex3f( 0.50f, -0.50f, 0.50f );
glVertex3f( 0.50f, -0.50f, 0.50f );
glVertex3f( -0.50f, -0.50f, 0.50f );
glVertex3f( -0.50f, -0.50f, 0.50f );
glVertex3f( -0.50f, -0.50f, -0.50f );
glVertex3f( -0.50f, 0.50f, -0.50f );
glVertex3f( -0.50f, -0.50f, -0.50f );
glVertex3f( 0.50f, 0.50f, -0.50f );
glVertex3f( 0.50f, -0.50f, -0.50f );
glVertex3f( 0.50f, 0.50f, 0.50f );
glVertex3f( 0.50f, -0.50f, 0.50f );
glVertex3f( -0.50f, 0.50f, 0.50f );
glVertex3f( -0.50f, -0.50f, 0.50f );
glEnd();
glPopAttrib();
break;
case 4:
// DEEP PLANE
glPushAttrib( GL_ALL_ATTRIB_BITS );
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glBegin( GL_LINES );
glVertex3f( -0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, 0.50f, 0.00f );
glVertex3f( 0.50f, -0.50f, 0.00f );
glVertex3f( 0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, -0.50f, 0.00f );
glVertex3f( -0.50f, 0.50f, 0.00f );
glEnd();
glEnable( GL_LINE_STIPPLE);
glLineStipple(1,0xff);
glBegin( GL_LINES );
glVertex3f( -0.50f, 0.50f, 1.00f );
glVertex3f( 0.50f, 0.50f, 1.00f );
glVertex3f( 0.50f, 0.50f, 1.00f );
glVertex3f( 0.50f, -0.50f, 1.00f );
glVertex3f( 0.50f, -0.50f, 1.00f );
glVertex3f( -0.50f, -0.50f, 1.00f );
glVertex3f( -0.50f, -0.50f, 1.00f );
glVertex3f( -0.50f, 0.50f, 1.00f );
glEnd();
glPopAttrib();
break;
case 5:
// CLIPPING PLANE
glPushAttrib( GL_ALL_ATTRIB_BITS );
glEnable( GL_LINE_STIPPLE);
glLineStipple(1,0xff);
if ( displaystatus == M3dView::kDormant )
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, 1.0f );
glBegin( GL_LINES );
glVertex3f( -1.0f, 1.0f, 0.0f );
glVertex3f( 1.0f, 1.0f, 0.0f );
glVertex3f( 1.0f, 1.0f, 0.0f );
glVertex3f( 1.0f, -1.0f, 0.0f );
glVertex3f( 1.0f, -1.0f, 0.0f );
glVertex3f( -1.0f, -1.0f, 0.0f );
glVertex3f( -1.0f, -1.0f, 0.0f );
glVertex3f( -1.0f, 1.0f, 0.0f );
glVertex3f( -1.0f, 1.0f, 0.0f );
glVertex3f( 1.0f, -1.0f, 0.0f );
glVertex3f( 1.0f, 1.0f, 0.0f );
glVertex3f( -1.0f, -1.0f, 0.0f );
glEnd();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_ALWAYS ,0.1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glDepthMask( GL_FALSE );
glColor4f( m_coordColor.r, m_coordColor.g, m_coordColor.b, m_coordColor.a );
glBegin( GL_QUADS );
glVertex3f( -1.0f , 1.0f, 0.0f );
glVertex3f( 1.0f , 1.0f, 0.0f );
glVertex3f( 1.0f ,-1.0f, 0.0f );
glVertex3f( -1.0f ,-1.0f, 0.0f );
glEnd();
glPopAttrib();
break;
}
view.endGL();
}