//-*****************************************************************************
void ProcessPoints( IPoints &points, ProcArgs &args )
{
IPointsSchema &ps = points.getSchema();
TimeSamplingPtr ts = ps.getTimeSampling();
SampleTimeSet sampleTimes;
//for now, punt on the changing point count case -- even for frame ranges
//for which the point count isn't changing
if ( ps.getIdsProperty().isConstant() )
{
//grab only the current time
sampleTimes.insert( args.frame / args.fps );
}
else
{
GetRelevantSampleTimes( args, ts, ps.getNumSamples(), sampleTimes );
}
bool multiSample = sampleTimes.size() > 1;
if ( multiSample ) { WriteMotionBegin( args, sampleTimes ); }
for ( SampleTimeSet::iterator iter = sampleTimes.begin();
iter != sampleTimes.end(); ++iter )
{
ISampleSelector sampleSelector( *iter );
IPointsSchema::Sample sample = ps.getValue( sampleSelector );
ParamListBuilder paramListBuilder;
paramListBuilder.add( "P", (RtPointer)sample.getPositions()->get() );
ICompoundProperty arbGeomParams = ps.getArbGeomParams();
AddArbitraryGeomParams( arbGeomParams,
sampleSelector, paramListBuilder );
RiPointsV(sample.getPositions()->size(),
paramListBuilder.n(),
paramListBuilder.nms(),
paramListBuilder.vals() );
}
if ( multiSample ) { RiMotionEnd(); }
}
RtVoid
RiPoints(RtInt npoints, ...)
{
RtInt n;
va_list args;
RtToken *tokens;
RtPointer *params;
va_start(args, npoints);
n = ri_util_paramlist_build(args, &tokens, ¶ms);
va_end(args);
RiPointsV(npoints, n, tokens, params);
ri_util_paramlist_free(tokens, params);
}
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;
}
}