void drawLamp(RtPoint position, RtFloat height) {
/* Draw the base of the lamp */
RiTransformBegin();
RiTranslate(position[0], position[1] + 1, position[2]);
RiRotate(90.0, 1.0, 0.0, 0.0);
RiDisk(0.0, 4.0, 360.0, RI_NULL);
RiCylinder(4.0, 0.0, 1.0, 360.0, RI_NULL);
RiTransformEnd();
/* Draw the stem of the lamp */
RiTransformBegin();
RiTranslate(position[0], position[1] + height + 1, position[2]);
RiRotate(90.0, 1.0, 0.0, 0.0);
RiCylinder(0.5, 0.0, height, 360.0, RI_NULL);
RiTransformEnd();
/* Draw the bell shaped part of the lamp */
RiTransformBegin();
RiTranslate(position[0], position[1] + height + 3, position[2]);
RiRotate(100, 1.0, 0, 0);
RiRotate(45, 0, 1.0, 0);
RiParaboloid(4, 0, 6, 360, RI_NULL);
RiTransformEnd();
}
/**
* Simple cone geometry
*/
void testCone()
{
const RtFloat rad = 0.6F;
const RtFloat height = 1.6F;
RiAttributeBegin(); {
RiSides(2);
RiOrientation(RI_OUTSIDE);
RiColor(blueish);
RiTransformBegin(); {
RiTranslate(0, -height/4.0F, 3);
RiScale(1.0, 1.0, 1.0);
RiRotate(-45, 1, 0, 0);
RiCone(height, rad, 360, RI_NULL);
} RiTransformEnd();
} RiAttributeEnd();
}
int Renderer::preview( const std::string& fileName, const liqPreviewShaderOptions& options )
{
CM_TRACE_FUNC("Renderer::preview("<<fileName<<","<<options.shaderNodeName<<")");
std::string shaderFileName;
liqShader currentShader;
MObject shaderObj;
MString shader_type_TempForRefactoring;// [2/14/2012 yaoyansi]
if ( options.fullShaderPath )
{
// a full shader path was specified
//cout <<"[liquid] got full path for preview !"<<endl;
//shaderFileName = const_cast<char*>(options.shaderNodeName);
std::string tmp( options.shaderNodeName );
currentShader.setShaderFileName(tmp.substr( 0, tmp.length() - 4 ) );
if ( options.type == "surface" ){
assert(0&&"we should use currentShader.shader_type_ex = \"surface\"");
//currentShader.shader_type = SHADER_TYPE_SURFACE;// [2/14/2012 yaoyansi]
shader_type_TempForRefactoring = "surface";
}else if ( options.type == "displacement" ){
assert(0&&"we should use currentShader.shader_type_ex = \"displacement\"");
//currentShader.shader_type = SHADER_TYPE_DISPLACEMENT;// [2/14/2012 yaoyansi]
shader_type_TempForRefactoring = "displacement";
}
//cout <<"[liquid] options.shaderNodeName = " << options.shaderNodeName << endl;
//cout <<"[liquid] options.type = "<<options.type<<endl;
}
else
{
// a shader node was specified
MSelectionList shaderNameList;
shaderNameList.add( options.shaderNodeName.c_str() );
shaderNameList.getDependNode( 0, shaderObj );
if( shaderObj == MObject::kNullObj )
{
MGlobal::displayError( std::string( "Can't find node for " + options.shaderNodeName ).c_str() );
RiEnd();
return 0;
}
currentShader = liqShader( shaderObj );
shader_type_TempForRefactoring = currentShader.shader_type_ex;
shaderFileName = currentShader.getShaderFileName();
}
MFnDependencyNode assignedShader( shaderObj );
// Get the Pathes in globals node
MObject globalObjNode;
MString liquidShaderPath = "",liquidTexturePath = "",liquidProceduralPath = "";
MStatus status;
MSelectionList globalList;
// get the current project directory
MString MELCommand = "workspace -q -rd";
MString MELReturn;
MGlobal::executeCommand( MELCommand, MELReturn );
MString liquidProjectDir = MELReturn;
status = globalList.add( "liquidGlobals" );
if ( globalList.length() > 0 )
{
status.clear();
status = globalList.getDependNode( 0, globalObjNode );
MFnDependencyNode globalNode( globalObjNode );
liquidGetPlugValue( globalNode, "shaderPath", liquidShaderPath, status);
liquidGetPlugValue( globalNode, "texturePath", liquidTexturePath, status);
liquidGetPlugValue( globalNode, "proceduralPath", liquidProceduralPath, status);
}
if( fileName.empty() )
{
RiBegin_liq( NULL );
#ifdef DELIGHT
//RtPointer callBack( progressCallBack );
//RiOption( "statistics", "progresscallback", &callBack, RI_NULL );
#endif
}
else {
liquidMessage2(messageInfo,"preview rib file: [%s]", fileName.c_str());
RiBegin_liq( (RtToken)fileName.c_str() );
}
std::string liquidHomeDir = liquidSanitizeSearchPath( getEnvironment( "LIQUIDHOME" ) );
std::string shaderPath( "&:@:.:~:" + liquidHomeDir + "/lib/shaders" );
std::string texturePath( "&:@:.:~:" + liquidHomeDir + "/lib/textures" );
std::string proceduralPath( "&:@:.:~:" + liquidHomeDir + "/lib/shaders" );
std::string projectDir = std::string( liquidSanitizeSearchPath( liquidProjectDir ).asChar() );
if ( liquidProjectDir != "")
{
shaderPath += ":" + projectDir;
texturePath += ":" + projectDir;
proceduralPath += ":" + projectDir;
}
if ( liquidShaderPath != "" )
shaderPath += ":" + std::string( liquidSanitizeSearchPath( parseString( liquidShaderPath, false ) ).asChar());
if ( liquidTexturePath != "" )
texturePath += ":" + std::string( liquidSanitizeSearchPath( parseString( liquidTexturePath, false) ).asChar());
if ( liquidProceduralPath != "" )
proceduralPath += ":" + std::string( liquidSanitizeSearchPath( parseString( liquidProceduralPath, false) ).asChar());
RtString list( const_cast< RtString >( shaderPath.c_str() ) );
RiOption( "searchpath", "shader", &list, RI_NULL );
RtString texPath( const_cast< RtString >( texturePath.c_str() ) );
if( texPath[ 0 ] )
RiOption( "searchpath","texture", &texPath, RI_NULL );
RtString procPath( const_cast< RtString >( proceduralPath.c_str() ) );
if( procPath[ 0 ] )
RiOption( "searchpath","procedural", &procPath, RI_NULL );
RiShadingRate( ( RtFloat )options.shadingRate );
RiPixelSamples( options.pixelSamples, options.pixelSamples );
#ifdef PRMAN
if ( MString( "PRMan" ) == liqglo.liquidRenderer.renderName )
RiPixelFilter( RiCatmullRomFilter, 4., 4. );
#elif defined( DELIGHT )
if ( MString( "3Delight" ) == liqglo.liquidRenderer.renderName )
RiPixelFilter( RiSeparableCatmullRomFilter, 4., 4. );
// RiPixelFilter( RiMitchellFilter, 4., 4.);
#else
RiPixelFilter( RiCatmullRomFilter, 4., 4. );
#endif
RiFormat( ( RtInt )options.displaySize, ( RtInt )options.displaySize, 1.0 );
if( options.backPlane )
{
RiDisplay( const_cast< RtString >( options.displayName.c_str() ),
const_cast< RtString >( options.displayDriver.c_str() ), RI_RGB, RI_NULL );
}
else
{ // Alpha might be useful
RiDisplay( const_cast< RtString >( options.displayName.c_str() ),
const_cast< RtString >( options.displayDriver.c_str() ), RI_RGBA, RI_NULL );
}
RtFloat fov( 22.5 );
RiProjection( "perspective", "fov", &fov, RI_NULL );
RiTranslate( 0, 0, 2.75 );
RiExposure(1, currentShader.m_previewGamma);
RtInt visible = 1;
RtString transmission = "transparent";
RiAttribute( "visibility", ( RtToken ) "camera", &visible, RI_NULL );
RiAttribute( "visibility", ( RtToken ) "trace", &visible, RI_NULL );
// RiAttribute( "visibility", ( RtToken ) "transmission", ( RtPointer ) &transmission, RI_NULL );
RiWorldBegin();
RiReverseOrientation();
RiTransformBegin();
RiRotate( -90., 1., 0., 0. );
RiCoordinateSystem( "_environment" );
RiTransformEnd();
RtLightHandle ambientLightH, directionalLightH;
RtFloat intensity;
intensity = 0.05 * (RtFloat)options.previewIntensity;
ambientLightH = RiLightSource( "ambientlight", "intensity", &intensity, RI_NULL );
intensity = 0.9 * (RtFloat)options.previewIntensity;
RtPoint from;
RtPoint to;
from[0] = -1.; from[1] = 1.5; from[2] = -1.;
to[0] = 0.; to[1] = 0.; to[2] = 0.;
RiTransformBegin();
RiRotate( 55., 1, 0, 0 );
RiRotate( 30., 0, 1, 0 );
directionalLightH = RiLightSource( "liquiddistant", "intensity", &intensity, RI_NULL );
RiTransformEnd();
intensity = 0.2f * (RtFloat)options.previewIntensity;
from[0] = 1.3f; from[1] = -1.2f; from[2] = -1.;
RiTransformBegin();
RiRotate( -50., 1, 0, 0 );
RiRotate( -40., 0, 1, 0 );
directionalLightH = RiLightSource( "liquiddistant", "intensity", &intensity, RI_NULL );
RiTransformEnd();
RiAttributeBegin();
//ymesh omit this section, because liqShader::writeRibAttributes() do this work in that branch
//I don't use liqShader::writeRibAttributes(), so I use this section. -yayansi
float displacementBounds = 0.;
liquidGetPlugValue( assignedShader, "displacementBound", displacementBounds, status);
if ( displacementBounds > 0. )
{
RtString coordsys = "shader";
RiArchiveRecord( RI_COMMENT, "ymesh omit this section, because liqShader::writeRibAttributes do this work in that branch" );
RiAttribute( "displacementbound", "coordinatesystem", &coordsys, RI_NULL );
RiAttribute( "displacementbound", "sphere", &displacementBounds, "coordinatesystem", &coordsys, RI_NULL );
}
//LIQ_GET_SHADER_FILE_NAME( shaderFileName, options.shortShaderName, currentShader );
// output shader space
MString shadingSpace;
liquidGetPlugValue( assignedShader, "shaderSpace", shadingSpace, status);
if ( shadingSpace != "" )
{
RiTransformBegin();
RiCoordSysTransform( (char*) shadingSpace.asChar() );
}
RiTransformBegin();
// Rotate shader space to make the preview more interesting
RiRotate( 60., 1., 0., 0. );
RiRotate( 60., 0., 1., 0. );
RtFloat scale( 1.f / ( RtFloat )options.objectScale );
RiScale( scale, scale, scale );
if ( shader_type_TempForRefactoring=="surface" || shader_type_TempForRefactoring=="shader"/*currentShader.shader_type == SHADER_TYPE_SURFACE || currentShader.shader_type == SHADER_TYPE_SHADER */ ) // [2/14/2012 yaoyansi]
{
RiColor( currentShader.rmColor );
RiOpacity( currentShader.rmOpacity );
//cout << "Shader: " << shaderFileName << endl;
if ( options.fullShaderPath )
RiSurface( (RtToken)shaderFileName.c_str(), RI_NULL );
else
{
liqShader liqAssignedShader( shaderObj );
liqAssignedShader.forceAs = SHADER_TYPE_SURFACE;
liqAssignedShader.write();
}
}
else if ( shader_type_TempForRefactoring=="displacement"/*currentShader.shader_type == SHADER_TYPE_DISPLACEMENT*/ ) // [2/14/2012 yaoyansi]
{
RtToken Kd( "Kd" );
RtFloat KdValue( 1. );
#ifdef GENERIC_RIBLIB
// !!! current ribLib has wrong interpretation of RiSurface parameters
RiSurface( "plastic", Kd, &KdValue, RI_NULL );
#else
RiSurface( "plastic", &Kd, &KdValue, RI_NULL );
#endif
if ( options.fullShaderPath )
RiDisplacement( (RtToken)shaderFileName.c_str(), RI_NULL );
else
{
liqShader liqAssignedShader( shaderObj );
liqAssignedShader.forceAs = SHADER_TYPE_DISPLACEMENT;
liqAssignedShader.write();
}
}
RiTransformEnd();
if ( shadingSpace != "" )
RiTransformEnd();
switch( options.primitiveType )
{
case CYLINDER:
{
RiReverseOrientation();
RiScale( 0.95, 0.95, 0.95 );
RiRotate( 60., 1., 0., 0. );
RiTranslate( 0., 0., -0.05 );
RiCylinder( 0.5, -0.3, 0.3, 360., RI_NULL );
RiTranslate( 0., 0., 0.3f );
RiTorus( 0.485, 0.015, 0., 90., 360., RI_NULL );
RiDisk( 0.015, 0.485, 360., RI_NULL );
RiTranslate( 0., 0., -0.6 );
RiTorus( 0.485, 0.015, 270., 360., 360., RI_NULL );
RiReverseOrientation();
RiDisk( -0.015, 0.485, 360., RI_NULL );
break;
}
case TORUS:
{
RiRotate( 45., 1., 0., 0. );
RiTranslate( 0., 0., -0.05 );
RiReverseOrientation();
RiTorus( 0.3f, 0.2f, 0., 360., 360., RI_NULL );
break;
}
case PLANE:
{
RiScale( 0.5, 0.5, 0.5 );
RiReverseOrientation();
static RtPoint plane[4] = {
{ -1., 1., 0. },
{ 1., 1., 0. },
{ -1., -1., 0. },
{ 1., -1., 0. }
};
RiPatch( RI_BILINEAR, RI_P, (RtPointer) plane, RI_NULL );
break;
}
case TEAPOT:
{
RiTranslate( 0.06f, -0.18f, 0. );
RiRotate( -120., 1., 0., 0. );
RiRotate( 130., 0., 0., 1. );
RiScale( 0.2f, 0.2f, 0.2f );
RiArchiveRecord( RI_VERBATIM, "Geometry \"teapot\"" );
break;
}
case CUBE:
{
/* Lovely cube with rounded corners and edges */
RiScale( 0.35f, 0.35f, 0.35f );
RiRotate( 60., 1., 0., 0. );
RiRotate( 60., 0., 0., 1. );
RiTranslate( 0.11f, 0., -0.08f );
RiReverseOrientation();
static RtPoint top[ 4 ] = { { -0.95, 0.95, -1. }, { 0.95, 0.95, -1. }, { -0.95, -0.95, -1. }, { 0.95, -0.95, -1. } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) top, RI_NULL );
static RtPoint bottom[ 4 ] = { { 0.95, 0.95, 1. }, { -0.95, 0.95, 1. }, { 0.95, -0.95, 1. }, { -0.95, -0.95, 1. } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) bottom, RI_NULL );
static RtPoint right[ 4 ] = { { -0.95, -1., -0.95 }, { 0.95, -1., -0.95 }, { -0.95, -1., 0.95 }, { 0.95, -1., 0.95 } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) right, RI_NULL );
static RtPoint left[ 4 ] = { { 0.95, 1., -0.95 }, { -0.95, 1., -0.95 }, { 0.95, 1., 0.95 }, { -0.95, 1., 0.95 } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) left, RI_NULL );
static RtPoint front[ 4 ] = { {-1., 0.95, -0.95 }, { -1., -0.95, -0.95 }, { -1., 0.95, 0.95 }, { -1., -0.95, 0.95 } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) front, RI_NULL );
static RtPoint back[ 4 ] = { { 1., -0.95, -0.95 }, { 1., 0.95, -0.95 }, { 1., -0.95, 0.95 }, { 1., 0.95, 0.95 } };
RiPatch( RI_BILINEAR, RI_P, ( RtPointer ) back, RI_NULL );
RiTransformBegin();
RiTranslate( 0.95, 0.95, 0. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, -0.95, 0. );
RiRotate( -90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( -0.95, 0.95, 0. );
RiRotate( 90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( -0.95, -0.95, 0. );
RiRotate( 180., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0., 0., 0.95 );
RiTransformBegin();
RiTransformBegin();
RiTranslate( 0.95, 0.95, 0. );
RiSphere( 0.05, 0., 0.05, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, -0.95, 0. );
RiRotate( -90., 0., 0., 1. );
RiSphere( 0.05, 0., 0.05, 90., RI_NULL );
RiTransformEnd();
RiRotate( 180., 0., 0., 1. );
RiTransformBegin();
RiTranslate( 0.95, 0.95, 0. );
RiSphere( 0.05, 0., 0.05, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, -0.95, 0. );
RiRotate( -90., 0., 0., 1. );
RiSphere( 0.05, 0., 0.05, 90., RI_NULL );
RiTransformEnd();
RiTransformEnd();
RiRotate( 90., 1., 0., 0. );
RiTransformBegin();
RiTranslate( 0.95, 0., 0. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( -0.95, 0., 0. );
RiRotate( 90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiRotate( 90., 0., 1., 0. );
RiTransformBegin();
RiTranslate( 0.95, 0., 0. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( -0.95, 0., 0. );
RiRotate( 90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0., 0., -0.95 );
RiTransformBegin();
RiTransformBegin();
RiTranslate( 0.95, 0.95, 0. );
RiSphere( 0.05, -0.05, 0., 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, -0.95, 0. );
RiRotate( -90., 0., 0., 1. );
RiSphere( 0.05, -0.05, 0., 90., RI_NULL );
RiTransformEnd();
RiRotate( 180., 0., 0., 1. );
RiTransformBegin();
RiTranslate( 0.95, 0.95, 0. );
RiSphere( 0.05, -0.05, 0., 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, -0.95, 0. );
RiRotate( -90., 0., 0., 1. );
RiSphere( 0.05, -0.05, 0., 90., RI_NULL );
RiTransformEnd();
RiTransformEnd();
RiRotate( 90., 1., 0., 0. );
RiTransformBegin();
RiTranslate( -0.95, 0., 0. );
RiRotate( 180., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( 0.95, 0., 0. );
RiRotate( -90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiRotate( 90., 0., 1., 0. );
RiTransformBegin();
RiTranslate( 0.95, 0., 0. );
RiRotate( -90., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformBegin();
RiTranslate( -0.95, 0., 0. );
RiRotate( 180., 0., 0., 1. );
RiCylinder( 0.05, -0.95, 0.95, 90., RI_NULL );
RiTransformEnd();
RiTransformEnd();
break;
}
case CUSTOM:
{
//cout <<"custom : "<<options.customRibFile<<endl;
if ( fileExists( options.customRibFile.c_str() ) )
{
RiReadArchive( const_cast< RtToken >( options.customRibFile.c_str() ), NULL, RI_NULL );
}
break;
}
case SPHERE:
default:
{
RiRotate( 60., 1., 0., 0. );
RiReverseOrientation();
RiSphere( 0.5, -0.5, 0.5, 360., RI_NULL );
break;
}
}
RiAttributeEnd();
/*
* Backplane
*/
if( options.backPlane )
{
if ( options.customBackplane.empty() )
{
RiAttributeBegin();
RiScale( 0.91, 0.91, 0.91 );
if( MString("displacement")==shader_type_TempForRefactoring/*SHADER_TYPE_DISPLACEMENT == currentShader.shader_type*/ ) // [2/14/2012 yaoyansi]
{
RtColor bg = { 0.698, 0.698, 0. };
RiColor( bg );
} else
RiSurface( const_cast< RtToken >( options.backPlaneShader.c_str() ), RI_NULL );
static RtPoint backplane[4] = {
{ -1., 1., 2. },
{ 1., 1., 2. },
{ -1., -1., 2. },
{ 1., -1., 2. }
};
RiPatch( RI_BILINEAR, RI_P, (RtPointer) backplane, RI_NULL );
RiAttributeEnd();
}
else
{
if ( fileExists( options.customBackplane.c_str() ) )
{
RiAttributeBegin();
RiScale( 1., 1., -1. );
RiReadArchive( const_cast< RtString >( options.customBackplane.c_str() ), NULL, RI_NULL );
RiAttributeEnd();
}
}
}
RiWorldEnd();
/* this caused maya to hang up under windoof - Alf
#ifdef _WIN32
// Wait until the renderer is done
while( !fileFullyAccessible( options.displayName.c_str() ) );
#endif
*/
RiEnd();
if(liqglo.m_logMsgFlush)
{
fflush( NULL );
}
}
void drawPencil() {
RtColor pink = {1.0, 0.5, 0.5};
RtColor silver = {0.7, 0.7, 0.7};
RtColor yellow = {1.0, 0.7, 0.0};
RtColor tan = {0.9, 0.8, 0.5};
RtColor black = {0.1, 0.1, 0.1};
RtPoint pencilSide[4] = {{-4.0, 0.1, -0.1}, {-4.0, 0.1, 0.1}, {4.0, 0.1, 0.1}, {4.0, 0.1, -0.1}};
RiColor(yellow);
RiSurface("paintedmatte", RI_NULL);
/* Draw all six sides of a pencil, each 8.0"x0.2" in size */
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
RiRotate(60.0, 1.0, 0.0, 0.0);
RiPolygon(4, RI_P, pencilSide, RI_NULL);
/* Draw the eraser */
RiTransformBegin();
RiTranslate(4.2, 0.0, 0.0);
/* Draw the metal part around the eraser */
RiTransformBegin();
RiTranslate(-0.2, 0.0, 0.0);
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(silver);
RiSurface("metal", RI_NULL);
RiCylinder(0.15, 0.0, 0.3, 360.0, RI_NULL);
RiTransformEnd();
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(pink);
RiSurface("matte", RI_NULL);
RiDisk(0.0, 0.15, 360, RI_NULL);
RiCylinder(0.15, 0.0, 0.2, 360, RI_NULL);
RiTransformEnd();
RiColor(tan);
RiSurface("matte", RI_NULL);
/* Draw the exposed wood part at the bottom of the pencil */
RiTranslate(-4.0, 0.0, 0.0);
RiTransformBegin();
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiCone(1.0, 0.15, 360, RI_NULL);
RiTransformEnd();
/* Draw the lead of the pencil */
RiTranslate(-0.7, 0.0, 0.0);
RiRotate(-90.0, 0.0, 1.0, 0.0);
RiColor(black);
RiCone(0.3, 0.05, 360, RI_NULL);
}
MStatus ribGenCmd::doIt( const MArgList& args)
{
/*=========================================*
* the parameters of command
* =========================================*/
MString ribPath, shaderPath;
unsigned index;
index = args.flagIndex("p", "ribPath");
if(MArgList::kInvalidArgIndex != index)
args.get(index+1, ribPath);
index = args.flagIndex("sp", "shaderPath");
if(MArgList::kInvalidArgIndex != index)
args.get(index+1, shaderPath);
/*=========================================*
* shaderPath & ribPath
*=========================================*/
RtToken shader= new char[50] , path=new char[50];
strcpy(shader, shaderPath.asChar());
strcpy(path, ribPath.asChar());
char *curve[] = {"curves"};
RtMatrix identityMatrix =
{ { 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }};
RtInt ustep, vstep;
ustep = vstep =1;
/*=====================================*
* Begenning of writting out the .rib file.
*=====================================*/
RiBegin(path);
RiAttributeBegin();
RiTransformBegin();
//RiSurface(shader);
RiTransformEnd();
//RiAttribute("identifier", "name", curve);
RiConcatTransform(identityMatrix);
RiShadingInterpolation(RI_SMOOTH);
RiBasis(RiBezierBasis, ustep, RiBezierBasis, vstep);
int nodeId = 0, knotNum = 0;
float baseWidth = 0.0f, tipWidth = 0.0f;
MObject surface, node;
/*=========================================*
* get the informations of selected Objects in scene.
*=========================================*/
MSelectionList selection;
MGlobal::getActiveSelectionList(selection);
MItSelectionList iter(selection, MFn::kNurbsSurface );
for(; !iter.isDone(); iter.next())
{
RtInt numCurves = 0;
RtInt numVertexs = 0;
/*======================================*
* get the drawHairNode from selected NurbsSurface.
*======================================*/
iter.getDependNode(surface);
MFnDependencyNode surfaceFn(surface);
MStatus state;
MPlug plug = surfaceFn.findPlug("worldSpace",false, &state);
plug = plug.elementByLogicalIndex(0);
MPlugArray desPlugs;
plug.connectedTo(desPlugs,false,true);
plug = desPlugs[0];
node = plug.node(); //drawHairNode has found here!!
/*=====================================*
* get the attributes of drawHairNode.
*=====================================*/
MFnDependencyNode hairNodeFn(node);
plug = hairNodeFn.findPlug("nodeId");
plug.getValue(nodeId);
MGlobal::displayInfo(MString(" nodeId: ")+nodeId);
plug = hairNodeFn.findPlug("number");
plug.getValue(numCurves);
plug= hairNodeFn.findPlug("smooth");
plug.getValue(knotNum);
plug = hairNodeFn.findPlug("baseWidth");
plug.getValue(baseWidth);
plug = hairNodeFn.findPlug("tipWidth");
plug.getValue(tipWidth);
/*=====================================*
* caculate the linear interpolate of the width of the curve.
*=====================================*/
numVertexs = numCurves * knotNum;
int widthNum = numCurves * (knotNum -2 );
float *curveWidth = new float[widthNum];
float widthStep = 0.0f;
for(int c=0; c<widthNum; ++c){
widthStep = ((c%(knotNum-2)) / (float)(knotNum-3)) *(tipWidth - baseWidth);
if(widthStep < epslion)
widthStep = 0.0f;
curveWidth[c] = baseWidth + widthStep;
}
RtInt *nvertices = new RtInt[numCurves]; //the numbers of vertices on each curve.
RtPoint *vertexs = new RtPoint[numVertexs]; //the total vertexs.
/*=====================================*
* nvertices[] assignment.
*=====================================*/
for(int j=0; j<numCurves ; ++j){
nvertices[j] = knotNum;
}
/*=====================================*
* get the hair's datas from the static member
* named "nodeManager" of the drawHairNode class.
*=====================================*/
nodeMap::iterator iter = drawHairNode::nodeManager.find(nodeId);
vector<MPointArray> helixVec = iter->second;
/*=====================================*
* vertexs[] assignment.
*=====================================*/
float x=0, y=0, z=0;
int countVT=0;
for(vector<MPointArray>::iterator it=helixVec.begin(); it != helixVec.end(); ++it){
MPointArray helixCurve = (MPointArray)(*it);
for(int k=0; k < helixCurve.length() ; ++k){
x = helixCurve[k].x;
if(fabs(x) < epslion)
vertexs[countVT][0] = 0;
else
vertexs[countVT][0] = helixCurve[k].x;
y = helixCurve[k].y;
if(fabs(y) < epslion)
vertexs[countVT][1] = 0;
else
vertexs[countVT][1] = helixCurve[k].y;
z = helixCurve[k].z;
if(fabs(z) < epslion)
vertexs[countVT++][2] = 0;
else
vertexs[countVT++][2] = helixCurve[k].z;
}
}
RiCurves( RI_CUBIC, numCurves, nvertices, RI_NONPERIODIC, RI_P, vertexs, RI_WIDTH, curveWidth, RI_NULL);
}
RiAttributeEnd();
RiEnd();
return redoIt();
}
void doFrame(int fNum, char *fName) {
RiFrameBegin(fNum);
static RtColor Color = {.2, .4, .6} ;
char buffer[256];
sprintf(buffer, "images/%s%03d.tif", fName, fNum);
RiDisplay(buffer,(char*)"file",(char*)"rgba",RI_NULL);
RiFormat(800, 600, 1.25);
RiLightSource((char*)"distantlight",RI_NULL);
RiProjection((char*)"perspective",RI_NULL);
RiTranslate(0.0,0.0,50);
// RiRotate(-40.0, 1.0,0.0,0.0);
// RiRotate(-20.0, 0.0,1.0,0.0);
RiWorldBegin();
RiColor(Color);
RiRotate(fNum, 0.0,1.0,0.0);
RtFloat roughness = 0.03;
int trace = 1;
//RtFloat km = .3;
//RtFloat maxKm = 1.0;
RtFloat opac[] = {0.5, 0.9, 0.3};
// RiBasis(RiBezierBasis, 3, RiBezierBasis, 3);
//km = abs(sin(2.0*PI*((double)fNum/100.0)));
// RiSurface((char*)"funkyglass", "roughness", (RtPointer)&roughness, RI_NULL);
// RiOpacity(opac);
// RiAttribute((char*)"visibility", "int trace", &trace, RI_NULL);
RiSurface((char*)"matte", RI_NULL);
RiSolidBegin("difference");
// RiTranslate(15,0,0);
// RiSolidBegin("primitive");
// RiSphere(10, -10, 10, 360, RI_NULL);
// RiSolidEnd();
double t=-PI;
int steps = 8;
double dt = (2*PI)/steps;
RiSolidBegin("primitive");
double rad=5.0;
for (int ti=0; ti<steps; ++ti) {
RiTransformBegin();
RiTranslate(xv(t),yv(t),0);
// RiSolidBegin("primitive");
RiSphere(rad, -rad, rad, 360, RI_NULL);
// RiSolidEnd();
RiTransformEnd();
t += dt;
}
for (int ti=0; ti<steps; ++ti) {
RiTransformBegin();
RiTranslate(0,xv(t),yv(t));
// RiSolidBegin("primitive");
RiSphere(rad, -rad, rad, 360, RI_NULL);
// RiSolidEnd();
RiTransformEnd();
t += dt;
}
RiSolidEnd();
RiSolidBegin("primitive");
RiSphere(15, -15, 15, 360, RI_NULL);
RiSolidEnd();
// RiTranslate(-30.0,-30.0,0);
// RiSolidBegin("primitive");
// RiSphere(10, -10, 10, 360, RI_NULL);
// RiSolidEnd();
// RiTranslate(15.0,-15.0,0);
// RiSolidBegin("primitive");
// RiSphere(15, -15, 15, 360, RI_NULL);
// RiSolidEnd();
RiSolidEnd();
RiWorldEnd();
RiFrameEnd();
}
void Renderer::shader_transformEnd(const liqString shaderSpace)
{
CM_TRACE_FUNC("Renderer::shader_transformEnd("<<shaderSpace<<")");
RiTransformEnd();
}
static void _write(liqRibParticleData* pData, const structJob ¤tJob__)
{
CM_TRACE_FUNC("rm_writeParticleData.cpp::write("<<pData->getFullPathName().asChar()<<","<<currentJob__.name.asChar()<<",...)");
LIQDEBUGPRINTF( "-> writing particles\n");
#ifdef DEBUG
RiArchiveRecord( RI_COMMENT, "Number of Valid Particles: %d", pData->m_numValidParticles );
RiArchiveRecord( RI_COMMENT, "Number of Discarded Particles: %d", pData->m_numParticles - pData->m_numValidParticles );
#endif
MString notes("Make sure the particle is generated(e.g. sometimes particle is not generated, drag the time slider from frame0 to generate particles.)");
if(pData->m_numValidParticles <= 0 ){
RiArchiveRecord( RI_COMMENT, "Number of Valid Particles: %d. %s", pData->m_numValidParticles, notes.asChar() );
liquidMessage2(messageError, "%s. [%s]", notes.asChar(), pData->getFullPathName().asChar());
return;
}
unsigned numTokens( pData->tokenPointerArray.size() );
boost::scoped_array< RtToken > tokenArray( new RtToken[ numTokens ] );
boost::scoped_array< RtPointer > pointerArray( new RtPointer[ numTokens ] );
assignTokenArraysV( pData->tokenPointerArray, tokenArray.get(), pointerArray.get() );
switch( pData->particleType )
{
case liqRibParticleData::MPTBlobbies:
{
// Build an array that can be given to RiBlobby
std::vector< RtString > stringArray;
for( int i(0); i < pData->m_stringArray.size(); i++ )
{
stringArray.push_back( const_cast<char *>( pData->m_stringArray[i].c_str()) );
}
RiBlobbyV( pData->m_numValidParticles,
pData->m_codeArray.size(), const_cast< RtInt* >( &pData->m_codeArray[0] ),
pData->m_floatArray.size(), const_cast< RtFloat* >( &pData->m_floatArray[0] ),
stringArray.size(), const_cast< RtString* >( &stringArray[0] ),
numTokens,
tokenArray.get(),
const_cast< RtPointer* >( pointerArray.get() ) );
pData->grain = 0;
}
break;
case liqRibParticleData::MPTMultiPoint:
case liqRibParticleData::MPTPoints:
RiArchiveRecord( RI_COMMENT, "normal has to be reversed to show the MultiPoint/Points particles. // [10/9/2012 yaoyansi]" );
RiReverseOrientation();
#ifdef DELIGHT
case liqRibParticleData::MPTSpheres:
case liqRibParticleData::MPTSprites:
#endif
{
RiPointsV( pData->m_numValidParticles * pData->m_multiCount, numTokens, tokenArray.get(), pointerArray.get() );
}
break;
case liqRibParticleData::MPTMultiStreak:
case liqRibParticleData::MPTStreak:
{
unsigned nStreaks( pData->m_numValidParticles * pData->m_multiCount / 2 );
std::vector< RtInt > verts( nStreaks, 2 );
// Alternatively:
// scoped_array< RtInt >verts( new RtInt[ nStreaks ] );
// fill( verts.get(), verts.get() + nStreaks, ( RtInt )2 );
// Both ways are way faster than the frickin for() lop that was here before -- Moritz
RiCurvesV( "linear", nStreaks, &verts[ 0 ], "nonperiodic", numTokens, tokenArray.get(), pointerArray.get() );
}
break;
#ifndef DELIGHT
case liqRibParticleData::MPTSpheres:
{
int posAttr = -1,
radAttr = -1,
colAttr = -1,
opacAttr = -1;
for ( unsigned i = 0; i < pData->tokenPointerArray.size(); i++ )
{
const std::string tokenName( pData->tokenPointerArray[i].getTokenName() );
if ( "P" == tokenName )
{
posAttr = i;
}
else if ( "radius" == tokenName )
{
radAttr = i;
}
else if ( "Cs" == tokenName )
{
colAttr = i;
}
else if ( "Os" == tokenName )
{
opacAttr = i;
}
}
for ( unsigned i = 0; i < pData->m_numValidParticles; i++)
{
RiAttributeBegin();
if ( colAttr != -1 )
{
RiColor( &((RtFloat*)pointerArray[colAttr])[i*3] );
}
if ( opacAttr != -1 )
{
RiOpacity( &((RtFloat*)pointerArray[opacAttr])[i*3] );
}
RiTransformBegin();
RiTranslate(((RtFloat*)pointerArray[posAttr])[i*3+0],
((RtFloat*)pointerArray[posAttr])[i*3+1],
((RtFloat*)pointerArray[posAttr])[i*3+2]);
RtFloat radius = ((RtFloat*)pointerArray[radAttr])[i];
RiSphere(radius, -radius, radius, 360, RI_NULL);
RiTransformEnd();
RiAttributeEnd();
}
}
break;
case liqRibParticleData::MPTSprites:
{
int posAttr = -1,
numAttr = -1,
twistAttr = -1,
scaleXAttr = -1,
scaleYAttr = -1,
colAttr = -1,
opacAttr = -1;
for ( unsigned i( 0 ); i < pData->tokenPointerArray.size(); i++ )
{
const std::string tokenName( pData->tokenPointerArray[i].getTokenName() );
if ( "P" == tokenName )
{
posAttr = i;
}
else if ( "spriteNum" == tokenName )
{
numAttr = i;
}
else if ( "spriteTwist" == tokenName )
{
twistAttr = i;
}
else if ( "spriteScaleX" == tokenName )
{
scaleXAttr = i;
}
else if ( "spriteScaleY" == tokenName )
{
scaleYAttr = i;
}
else if ( "Cs" == tokenName )
{
colAttr = i;
}
else if ( "Os" == tokenName )
{
opacAttr = i;
}
}
MVector camUp( 0, 1, 0 );
MVector camRight( 1, 0, 0 );
MVector camEye( 0, 0, 1 );
camUp *= currentJob__.camera[0].mat.inverse();
camRight *= currentJob__.camera[0].mat.inverse();
camEye *= currentJob__.camera[0].mat.inverse();
for( unsigned ui( 0 ); ui < pData->m_numValidParticles; ui++ )
{
MVector up( camUp );
MVector right( camRight );
float spriteRadiusX( 0.5 );
float spriteRadiusY( 0.5 );
RiAttributeBegin();
RiArchiveRecord( RI_COMMENT, "normal has to be reversed to show the Sprite particles. // [10/9/2012 yaoyansi]" );
RiReverseOrientation();
if ( -1 != colAttr )
RiColor( &( ( RtFloat* )pointerArray[ colAttr ] )[ ui * 3 ] );
if ( -1 != opacAttr )
RiOpacity( &( ( RtFloat* )pointerArray[ opacAttr ] )[ ui * 3 ] );
if ( -1 != twistAttr )
{
float twist( -( ( RtFloat* )pointerArray[ twistAttr ] )[ ui ] * M_PI / 180 );
MQuaternion twistQ( twist, camEye );
right = camRight.rotateBy( twistQ );
up = camUp.rotateBy( twistQ );
}
if ( scaleXAttr != -1 )
spriteRadiusX *= ( ( RtFloat* )pointerArray[ scaleXAttr ] )[ ui ];
if ( scaleYAttr != -1 )
spriteRadiusY *= ( ( RtFloat* )pointerArray[ scaleYAttr ] )[ ui ];
if ( posAttr != -1 )
{
float *P( &( ( RtFloat* ) pointerArray[ posAttr ] )[ ui * 3 ] );
float spriteNumPP = 0;
if ( numAttr != -1 )
spriteNumPP = ( ( RtFloat* )pointerArray[ numAttr ] )[ ui ];
float x0 = P[ 0 ] - spriteRadiusX * right[ 0 ] + spriteRadiusY * up[ 0 ];
float y0 = P[ 1 ] - spriteRadiusX * right[ 1 ] + spriteRadiusY * up[ 1 ];
float z0 = P[ 2 ] - spriteRadiusX * right[ 2 ] + spriteRadiusY * up[ 2 ];
float x1 = P[ 0 ] + spriteRadiusX * right[ 0 ] + spriteRadiusY * up[ 0 ];
float y1 = P[ 1 ] + spriteRadiusX * right[ 1 ] + spriteRadiusY * up[ 1 ];
float z1 = P[ 2 ] + spriteRadiusX * right[ 2 ] + spriteRadiusY * up[ 2 ];
float x2 = P[ 0 ] - spriteRadiusX * right[ 0 ] - spriteRadiusY * up[ 0 ];
float y2 = P[ 1 ] - spriteRadiusX * right[ 1 ] - spriteRadiusY * up[ 1 ];
float z2 = P[ 2 ] - spriteRadiusX * right[ 2 ] - spriteRadiusY * up[ 2 ];
float x3 = P[ 0 ] + spriteRadiusX * right[ 0 ] - spriteRadiusY * up[ 0 ];
float y3 = P[ 1 ] + spriteRadiusX * right[ 1 ] - spriteRadiusY * up[ 1 ];
float z3 = P[ 2 ] + spriteRadiusX * right[ 2 ] - spriteRadiusY * up[ 2 ];
float patch[ 12 ] = { x0, y0, z0,
x1, y1, z1,
x2, y2, z2,
x3, y3, z3 };
// !!! if not GENERIC_RIBLIB use RiPatch( "bilinear", "P", &patch, "float spriteNum", &spriteNum, RI_NULL );
// RiPatch( "bilinear", "P", &patch, "float spriteNum", (RtFloat*)&spriteNumPP, RI_NULL );
// Patch "bilinear" "P" [0.446265 0.316269 -0.647637 1.27725 0.316269 -1.20393 0.615752 -0.636188 -0.39446 1.44674 -0.636188 -0.950756 ] "float spriteNum" [2 0 0 0 ]
RiArchiveRecord( RI_VERBATIM, "Patch \"bilinear\" \"P\" [%f %f %f %f %f %f %f %f %f %f %f %f] \"float spriteNum\" [%f]",
x0, y0, z0,x1, y1, z1, x2, y2, z2,x3, y3, z3,
spriteNumPP );
}
else {
RiIdentity();
}
RiAttributeEnd();
}//for
}
break;
#endif // #ifndef DELIGHT
case liqRibParticleData::MPTCloudy:
{
int posAttr = -1,
radAttr = -1,
colAttr = -1,
opacAttr = -1,
rotAttr = -1;
for ( unsigned i = 0; i < pData->tokenPointerArray.size(); i++ )
{
const std::string tokenName( pData->tokenPointerArray[i].getTokenName() );
if ( "P" == tokenName )
{
posAttr = i;
}
else if ( "radius" == tokenName )
{
radAttr = i;
}
else if ( "Cs" == tokenName )
{
colAttr = i;
}
else if ( "Os" == tokenName )
{
opacAttr = i;
}
else if ( "rotation" == tokenName )
{
rotAttr = i;
}
}
// Build an array that can be given to RiBlobby
std::vector< RtString > stringArray;
for( unsigned int i(0); i < pData->m_stringArray.size(); i++ ) {
stringArray.push_back( const_cast<char *>( pData->m_stringArray[i].c_str()) );
}
if(stringArray.size()==0)//added by yaoyansi, or it leads a crash on windows
stringArray.push_back( "" );
boost::scoped_array< RtToken > ithTokenArray( new RtToken[ numTokens ] );
boost::scoped_array< RtPointer > ithPointerArray( new RtPointer[ numTokens ] );
for ( unsigned i = 0; i < pData->m_numValidParticles; i++)
{
assignIthTokenArraysV( pData->tokenPointerArray, ithTokenArray.get(), ithPointerArray.get(), i );
RiAttributeBegin();
if ( colAttr != -1 )
{
RiColor( &((RtFloat*)pointerArray[colAttr])[i*3] );
}
if ( opacAttr != -1 )
{
RiOpacity( &((RtFloat*)pointerArray[opacAttr])[i*3] );
}
RiTransformBegin();
RiTranslate(((RtFloat*)pointerArray[posAttr])[i*3+0],
((RtFloat*)pointerArray[posAttr])[i*3+1],
((RtFloat*)pointerArray[posAttr])[i*3+2]);
if ( rotAttr != -1 )
{
RiRotate( (( RtFloat *) pointerArray[rotAttr])[i*3] * 360.0, 1.0, 0.0, 0.0 );
RiRotate( (( RtFloat *) pointerArray[rotAttr])[i*3+1] * 360.0, 0.0, 1.0, 0.0 );
RiRotate( (( RtFloat *) pointerArray[rotAttr])[i*3+2] * 360.0, 0.0, 0.0, 1.0 );
}
RtFloat radius = ((RtFloat*)pointerArray[radAttr])[i];
RiScale( radius, radius, radius );
//RiSphere(radius, -radius, radius, 360, RI_NULL);
float dummy[] = { 0.0, 0.0, 0.0 }; // Worst case : three floats are needed
RiBlobbyV( 1,
pData->m_codeArray.size(), const_cast< RtInt* >( &pData->m_codeArray[0] ),
pData->m_floatArray.size(), const_cast< RtFloat* >( &pData->m_floatArray[0] ),
stringArray.size(), const_cast< RtString* >( &stringArray[0] ),
numTokens, ithTokenArray.get(), ithPointerArray.get() );
// "vertex color incandescence", (RtPointer *)( dummy ),
// "vertex color Cs", (RtPointer *)( dummy ),
// "vertex float selfshadow", (RtPointer *)( dummy ),
// RI_NULL );
RiTransformEnd();
RiAttributeEnd();
}
break;
}
case liqRibParticleData::MPTNumeric:
RiArchiveRecord( RI_COMMENT, "Numeric Particles are not supported" );
break;
case liqRibParticleData::MPTTube:
RiArchiveRecord( RI_COMMENT, "Tube Particles are not supported" );
break;
break;
}
}