Пример #1
0
bool poly_write_normal_file(const GU_Detail *gdp,
							UT_String fname,
							const char * name,
							fpreal shutter,
							bool motionb,
							bool color,
							int subdiv_type,
							int subdiv_ite)
{

	fpreal fps = OPgetDirector()->getChannelManager()->getSamplesPerSec();


	GA_ROHandleV3 pos_h(gdp,GA_ATTRIB_POINT,"P");
	UT_Vector3F pos_val(0,0,0);
	UT_Vector3F pprime_val(0,0,0);

	GA_ROHandleV3 uv_h(gdp,GA_ATTRIB_VERTEX,"uv");
	UT_Vector3F uv_val(0,0,0);

	GA_ROHandleV3 n_h(gdp,GA_ATTRIB_VERTEX,"N");
	UT_Vector3F n_val(0,0,0);

	GA_ROHandleV3 cd_h(gdp,GA_ATTRIB_POINT,"Cd");
	UT_Vector3F cd_val(1,1,1);

	GA_ROHandleV3 v_h(gdp,GA_ATTRIB_POINT,"v");
	UT_Vector3F v_val(0,0,0);

	int sample_count = motionb&&v_h.isValid()? 2:1;

	const GA_Primitive *prim;
	GA_Offset prim_off,lcl_start, lcl_end, ptoff;
	GA_Primitive::const_iterator vertex_it;

	UT_OFStream ass_file(fname);
	ass_file<<"polymesh\n{\n name "<<name;
	ass_file<<"\n nsides "<<gdp->getNumPrimitives()<<" 1 UINT\n";

	for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
		prim = gdp->getPrimitive(*p_it);
		ass_file<<prim->getVertexCount()<<" ";
		if((*p_it+1) % 300 == 0) ass_file<<"\n"; 
	}

	ass_file<<"\n vidxs "<<gdp->getNumVertices()<<" 1 UINT\n";


	//Reverse iteration

	for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
		prim_off = p_it.getOffset();
		prim = gdp->getPrimitive(prim_off);
		std::vector<int> idx;  
		for(GA_Iterator v_it(prim->getVertexRange()); !v_it.atEnd(); ++v_it){
			idx.push_back(gdp->pointIndex(gdp->vertexPoint(v_it.getOffset())));	
		}

		for(std::vector<int>::reverse_iterator r_it = idx.rbegin(); r_it!=idx.rend();++r_it) ass_file<<*r_it<<" ";
		idx.clear();
		if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
	}

	ass_file<<"\n vlist "<<gdp->getNumPoints()<<" "<<sample_count<<" POINT\n";

	for (GA_Iterator lcl_it((gdp)->getPointRange()); lcl_it.blockAdvance(lcl_start, lcl_end); ){
		for (ptoff = lcl_start; ptoff < lcl_end; ++ptoff){
			pos_val = pos_h.get(ptoff);
			ass_file<<pos_val.x()<<" "<<pos_val.y()<<" "<<pos_val.z()<<" ";
			if((ptoff+1) % 300 == 0) ass_file<<"\n"; 
		}
	}

	if(motionb && v_h.isValid()){
		for (GA_Iterator lcl_it((gdp)->getPointRange()); lcl_it.blockAdvance(lcl_start, lcl_end); ){
			for (ptoff = lcl_start; ptoff < lcl_end; ++ptoff){
				pos_val = pos_h.get(ptoff);
				if(v_h.isValid()) v_val = v_h.get(ptoff);
				pprime_val = pos_val + ((v_val / fps) * shutter);
				ass_file<<pprime_val.x()<<" "<<pprime_val.y()<<" "<<pprime_val.z()<<" ";
				if((ptoff+1) % 300 == 0) ass_file<<"\n"; 
			}
		}
	}


	if(n_h.isValid()){

		ass_file<<"\n nidxs "<<gdp->getNumVertices()<<" 1 UINT\n";
		for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
			prim_off = p_it.getOffset();
			prim = gdp->getPrimitive(prim_off);
			for(GA_Iterator v_it(prim->getVertexRange()); !v_it.atEnd(); ++v_it){
				ass_file<<gdp->vertexIndex(v_it.getOffset())<<" ";
			}
			if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
		}

		ass_file<<"\n nlist "<<gdp->getNumVertices()<<" "<<sample_count<<" VECTOR\n";

		for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
			prim_off = p_it.getOffset();
			prim = gdp->getPrimitive(prim_off);
			std::vector<UT_Vector3F> nidx;
			for(prim->beginVertex(vertex_it); !vertex_it.atEnd(); ++vertex_it){
				n_val = n_h(vertex_it.getVertexOffset());
				nidx.push_back(n_val); 
			}
			for(std::vector<UT_Vector3F>::reverse_iterator r_it = nidx.rbegin(); r_it!=nidx.rend();++r_it){
				UT_Vector3F val = *r_it;
				ass_file<<val.x()<<" "<<val.y()<<" "<<val.z()<<" "; 
			}
			nidx.clear();
			if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
		}

		if(motionb){
			for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
				prim_off = p_it.getOffset();
				prim = gdp->getPrimitive(prim_off);
				std::vector<UT_Vector3F> nidx;
				for(prim->beginVertex(vertex_it); !vertex_it.atEnd(); ++vertex_it){
					n_val = n_h(vertex_it.getVertexOffset());
					nidx.push_back(n_val); 
				}
				for(std::vector<UT_Vector3F>::reverse_iterator r_it = nidx.rbegin(); r_it!=nidx.rend();++r_it){
					UT_Vector3F val = *r_it;
					ass_file<<val.x()<<" "<<val.y()<<" "<<val.z()<<" ";
				}
				nidx.clear();
				if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
			}	
		}
	}


	if(uv_h.isValid()){
		ass_file<<"\n uvidxs "<<gdp->getNumVertices()<<" 1 UINT\n";
		for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
			prim_off = p_it.getOffset();
			prim = gdp->getPrimitive(prim_off);
			for(prim->beginVertex(vertex_it); !vertex_it.atEnd(); ++vertex_it){
				ass_file<<gdp->vertexIndex(vertex_it.getVertexOffset())<<" ";	
			}
			if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
		}
		ass_file<<"\n uvlist "<<gdp->getNumVertices()<<" 1 POINT2\n";

		for(GA_Iterator p_it(gdp->getPrimitiveRange()); !p_it.atEnd();++p_it){
			prim_off = p_it.getOffset();
			prim = gdp->getPrimitive(prim_off);
			std::vector<UT_Vector3F> uvidx;
			for(prim->beginVertex(vertex_it); !vertex_it.atEnd(); ++vertex_it){
				uv_val = uv_h(vertex_it.getVertexOffset());
				uvidx.push_back(uv_val);	
			}
			for(std::vector<UT_Vector3F>::reverse_iterator r_it = uvidx.rbegin(); r_it!=uvidx.rend();++r_it){
				UT_Vector3F val = *r_it;
				ass_file<<val.x()<<" "<<val.y()<<" "; 
			}
			uvidx.clear();
			if((prim_off+1) % 300 == 0) ass_file<<"\n"; 
		}
	}

	ass_file<<"\n smoothing on\n"; 
	switch (subdiv_type)
	{
	case 0: // none
		break;
	case 1: // cat-clark
		ass_file<<" subdiv_type \"catclark\"\n";
		break;
	case 2: // linear
		ass_file<<" subdiv_type \"linear\"\n";
		break;
	}
	if(subdiv_ite>1) ass_file<<" subdiv_iterations "<<subdiv_ite<<"\n";
	ass_file<<" visibility 255\n sidedness 255\n invert_normals off\n receive_shadows on\n self_shadows on\n"
		" opaque on\n matrix\n1 0 0 0\n0 1 0 0\n0 0 1 0\n0 0 0 1\n";

	if(motionb) ass_file<<"1 0 0 0\n0 1 0 0\n0 0 1 0\n0 0 0 1\n";
	ass_file<<"id 683108022";


	if(color && cd_h.isValid()){
		ass_file<<"\n declare Cd varying RGBA\n Cd "<<gdp->getNumPoints()<<" 1 RGBA\n";
		for (GA_Iterator lcl_it((gdp)->getPointRange()); lcl_it.blockAdvance(lcl_start, lcl_end); ){
			for (ptoff = lcl_start; ptoff < lcl_end; ++ptoff){
				if(cd_h.isValid()) cd_val = cd_h.get(ptoff);
				ass_file<<cd_val.x()<<" "<<cd_val.y()<<" "<<cd_val.z()<<" "<<1<<" ";
				if((ptoff+1) % 300 == 0) ass_file<<"\n"; 
			}
		}
	}
	ass_file<<"\n}";
	ass_file.close();

	return true;
}
Пример #2
0
OP_ERROR aaOceanSOP::cookMySop(OP_Context &context)
{
    if (lockInputs(context) >= UT_ERROR_ABORT)
        return error();

    duplicateSource(0, context);
    setVariableOrder(3, 2, 0, 1);
    setCurGdh(0, myGdpHandle);
    setupLocalVars();

    // variable declarations
    float now  = context.getTime();

    // Flag the SOP as being time dependent (i.e. cook on time changes)
    flags().timeDep = 1;
    
    // start pulling in SOP inputs and send to aaOcean 
    enableEigens = (ENABLEEIGENS() != 0);
    if(pOcean->isChoppy() && enableEigens)
        enableEigens = TRUE;
    now = now + TIMEOFFSET(now);

    pOcean->input(  RESOLUTION(), 
                    SEED(),
                    OCEANSCALE(now),
                    OCEANDEPTH(now),
                    SURFACETENSION(now),
                    VELOCITY(now), 
                    CUTOFF(now), 
                    WINDDIR(now), 
                    WINDALIGN(), 
                    DAMP(now), 
                    WAVESPEED(now), 
                    WAVEHEIGHT(now),
                    CHOP(now), 
                    now,
                    LOOPTIME(now),
                    enableEigens,
                    FALSE);

    // get the user-specified attribute that holds uv-data
    getUVAttributeName(UvAttribute);
    if(UvAttribute.length() == 0)
        UvAttribute = "uv";
    const char* UVAttribName = (const char *)UvAttribute;
    uvRef = gdp->findFloatTuple(GA_ATTRIB_POINT, UVAttribName, 3);

    if(uvRef.isValid() == TRUE)
    {
        uvAttribute = uvRef.getAttribute();
        uvTuple = uvRef.getAIFTuple(); 
    }
    else
    {
        // uv attribute not found
        char msg[256];
        sprintf(msg, "[aaOcean] Specified UV attribute \'%s\' not found on geometry.\
                     \nUV's are required for aaOcean to cook", UVAttribName);
        std::cout<<msg;
        std::cout.flush();
        addError(SOP_MESSAGE, msg); 
        unlockInputs();
        return error();
    }

    // setup local variables to output Eigens
    if(enableEigens)
    {
        eVecPlusRef  = gdp->addFloatTuple(GA_ATTRIB_POINT, eVecPlusName,    3);
        eVecMinusRef = gdp->addFloatTuple(GA_ATTRIB_POINT, eVecMinusName,   3);
        eValuesRef   = gdp->addFloatTuple(GA_ATTRIB_POINT, eValuesName,     1);

        eVecPlusHandle  = GA_RWHandleV3(eVecPlusRef.getAttribute());
        eVecMinusHandle = GA_RWHandleV3(eVecMinusRef.getAttribute());
        eValuesHandle   = GA_RWHandleF(eValuesRef.getAttribute());
    }
    
    // inputs validated. Begin writing ocean data to output handles
    int npts = gdp->getNumPoints();
    #pragma omp parallel for 
    for (int pt_offset = 0; pt_offset < npts; ++pt_offset)
    {
        UT_Vector3F pos = gdp->getPos3(pt_offset);
        UT_Vector3F UV;
        
        uvTuple->get(uvAttribute, pt_offset, UV.data(), 3);
        // Houdini V coord runs in opposite direction compared to Softimage/Maya
        // Conforming with other apps to make ocean shape consistent across apps
        float u = UV.x();
        float v = 1.0f - (fmod(UV.y(), 1.0f));

        pos.y() += pOcean->getOceanData(u, v, aaOcean::eHEIGHTFIELD);
        if(pOcean->isChoppy())
        {
            pos.x() += pOcean->getOceanData(u, v, aaOcean::eCHOPX);
            pos.z() += pOcean->getOceanData(u, v, aaOcean::eCHOPZ);
        }
        gdp->setPos3(pt_offset, pos);

       if(enableEigens)
        {
            UT_Vector3F eigenVectorPlusValue;
            UT_Vector3F eigenVectorMinusValue;
            float eigenValue;

            eigenVectorPlusValue.x() =  pOcean->getOceanData(u, v, aaOcean::eEIGENPLUSX);
            eigenVectorPlusValue.y() =  0.0f;
            eigenVectorPlusValue.z() =  pOcean->getOceanData(u, v, aaOcean::eEIGENPLUSZ);

            eigenVectorMinusValue.x() = pOcean->getOceanData(u, v, aaOcean::eEIGENMINUSX);
            eigenVectorMinusValue.y() = 0.0f;
            eigenVectorMinusValue.z() = pOcean->getOceanData(u, v, aaOcean::eEIGENMINUSZ);

            eigenValue = pOcean->getOceanData(u, v, aaOcean::eFOAM);

            eVecPlusHandle.set(pt_offset,eigenVectorPlusValue);
            eVecMinusHandle.set(pt_offset,eigenVectorMinusValue);
            eValuesHandle.set(pt_offset,eigenValue);
        }
    }
    unlockInputs();

    return error();
}