geometry.cpp

最新osg包

                return true;
            }
            break;
        case(Array::Vec4dArrayType):
            {
                int prec = fw.precision(15);
                const Vec4dArray& carray = static_cast<const Vec4dArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<std::endl;
                writeArray(fw,carray.begin(),carray.end(),1);
                fw.precision(prec);
                return true;
            }
            break;
        case(Array::Vec2sArrayType):
            {
                const Vec2sArray& carray = static_cast<const Vec2sArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<std::endl;
                writeArray(fw,carray.begin(),carray.end(), 3);
                return true;
            }
            break;
        case(Array::Vec3sArrayType):
            {
                const Vec3sArray& carray = static_cast<const Vec3sArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<std::endl;
                writeArray(fw,carray.begin(),carray.end(), 2);
                return true;
            }
            break;
        case(Array::Vec4sArrayType):
            {
                const Vec4sArray& carray = static_cast<const Vec4sArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<std::endl;
                writeArray(fw,carray.begin(),carray.end(), 1);
                return true;
            }
            break;
        case(Array::Vec2bArrayType):
            {
                const Vec2bArray& carray = static_cast<const Vec2bArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<" ";
                writeArray(fw,carray.begin(),carray.end(),1);
                return true;
            }
            break;
        case(Array::Vec3bArrayType):
            {
                const Vec3bArray& carray = static_cast<const Vec3bArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<" ";
                writeArray(fw,carray.begin(),carray.end(),1);
                return true;
            }
            break;
        case(Array::Vec4bArrayType):
            {
                const Vec4bArray& carray = static_cast<const Vec4bArray&>(array);
                fw<<array.className()<<" "<<carray.size()<<" ";
                writeArray(fw,carray.begin(),carray.end(),1);
                return true;
            }
            break;
        case(Array::ArrayType):
        default:
            return false;
    }
}


bool Primitive_readLocalData(Input& fr,osg::Geometry& geom)
{
    bool iteratorAdvanced = false;
    if (fr.matchSequence("DrawArrays %w %i %i"))
    {
        
        GLenum mode;
        Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);

        int first;
        fr[2].getInt(first);
        
        int count;
        fr[3].getInt(count);

        geom.addPrimitiveSet(new DrawArrays(mode,first,count));

        fr += 4;
        
        iteratorAdvanced = true;
        
    }
    else if (fr.matchSequence("DrawArrayLengths %w %i %i {"))
    {
        int entry = fr[1].getNoNestedBrackets();

        GLenum mode;
        Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);

        int first;
        fr[2].getInt(first);

        int capacity;
        fr[3].getInt(capacity);
        
        fr += 5;
        
        DrawArrayLengths* prim = new DrawArrayLengths;
        prim->setMode(mode);
        prim->setFirst(first);
        prim->reserve(capacity);

        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int i;
            if (fr[0].getUInt(i))
            {
                prim->push_back(i);
                ++fr;
            }
        }
         ++fr;
         
         geom.addPrimitiveSet(prim);
   
        iteratorAdvanced = true;
    }
    else if (fr.matchSequence("DrawElementsUByte %w %i {"))
    {
        int entry = fr[1].getNoNestedBrackets();

        GLenum mode;
        Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);

        int capacity;
        fr[2].getInt(capacity);
        
        fr += 4;
        
        DrawElementsUByte* prim = new DrawElementsUByte;
        prim->setMode(mode);
        prim->reserve(capacity);

        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int i;
            if (fr[0].getUInt(i))
            {
                prim->push_back(i);
                ++fr;
            }
        }
         ++fr;
         
         geom.addPrimitiveSet(prim);
   
        iteratorAdvanced = true;
    }
    else if (fr.matchSequence("DrawElementsUShort %w %i {"))
    {
        int entry = fr[1].getNoNestedBrackets();

        GLenum mode;
        Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);

        int capacity;
        fr[2].getInt(capacity);
        
        fr += 4;
        
        DrawElementsUShort* prim = new DrawElementsUShort;
        prim->setMode(mode);
        prim->reserve(capacity);

        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int i;
            if (fr[0].getUInt(i))
            {
                prim->push_back(i);
                ++fr;
            }
        }
         ++fr;
         
         geom.addPrimitiveSet(prim);
   
        iteratorAdvanced = true;
    }
    else if (fr.matchSequence("DrawElementsUInt %w %i {"))
    {
        int entry = fr[1].getNoNestedBrackets();

        GLenum mode;
        Geometry_matchPrimitiveModeStr(fr[1].getStr(),mode);

        int capacity;
        fr[2].getInt(capacity);
        
        fr += 4;
        
        DrawElementsUInt* prim = new DrawElementsUInt;
        prim->setMode(mode);
        prim->reserve(capacity);

        while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
        {
            unsigned int i;
            if (fr[0].getUInt(i))
            {
                prim->push_back(i);
                ++fr;
            }
        }
         ++fr;
         
         geom.addPrimitiveSet(prim);
   
        iteratorAdvanced = true;
    }

    return iteratorAdvanced;
}

bool Primitive_writeLocalData(const PrimitiveSet& prim,Output& fw)
{

    switch(prim.getType())
    {
        case(PrimitiveSet::DrawArraysPrimitiveType):
            {
                const DrawArrays& cprim = static_cast<const DrawArrays&>(prim);
                fw<<cprim.className()<<" "<<Geometry_getPrimitiveModeStr(cprim.getMode())<<" "<<cprim.getFirst()<<" "<<cprim.getCount()<<std::endl;
                return true;
            }
            break;
        case(PrimitiveSet::DrawArrayLengthsPrimitiveType):
            {
                const DrawArrayLengths& cprim = static_cast<const DrawArrayLengths&>(prim);
                fw<<cprim.className()<<" "<<Geometry_getPrimitiveModeStr(cprim.getMode())<<" "<<cprim.getFirst()<<" "<<cprim.size()<<std::endl;
                writeArray(fw,cprim.begin(),cprim.end());
                return true;
            }
            break;
        case(PrimitiveSet::DrawElementsUBytePrimitiveType):
            {
                const DrawElementsUByte& cprim = static_cast<const DrawElementsUByte&>(prim);
                fw<<cprim.className()<<" "<<Geometry_getPrimitiveModeStr(cprim.getMode())<<" "<<cprim.size()<<std::endl;
                writeArrayAsInts(fw,cprim.begin(),cprim.end());
                return true;
            }
            break;
        case(PrimitiveSet::DrawElementsUShortPrimitiveType):
            {
                const DrawElementsUShort& cprim = static_cast<const DrawElementsUShort&>(prim);
                fw<<cprim.className()<<" "<<Geometry_getPrimitiveModeStr(cprim.getMode())<<" "<<cprim.size()<<std::endl;
                writeArray(fw,cprim.begin(),cprim.end());
                return true;
            }
            break;
        case(PrimitiveSet::DrawElementsUIntPrimitiveType):
            {
                const DrawElementsUInt& cprim = static_cast<const DrawElementsUInt&>(prim);
                fw<<cprim.className()<<" "<<Geometry_getPrimitiveModeStr(cprim.getMode())<<" "<<cprim.size()<<std::endl;
                writeArray(fw,cprim.begin(),cprim.end());
                return true;
            }
            break;
        default:
            return false;
    }
}

bool Geometry_writeLocalData(const Object& obj, Output& fw)
{
    const Geometry& geom = static_cast<const Geometry&>(obj);

    const Geometry::PrimitiveSetList& primitives = geom.getPrimitiveSetList();
    if (!primitives.empty())
    {
        fw.indent() << "PrimitiveSets "<<primitives.size()<<std::endl;
        fw.indent() << "{"<<std::endl;
        fw.moveIn();
        for(Geometry::PrimitiveSetList::const_iterator itr=primitives.begin();
            itr!=primitives.end();
            ++itr)
        {
            fw.indent();
            Primitive_writeLocalData(**itr,fw);
        }
        fw.moveOut();
        fw.indent() << "}"<<std::endl;
    }

    if (geom.getVertexArray())
    {
//         const Vec3Array& vertices = *geom.getVertexArray();
//         fw.indent()<<"VertexArray "<<vertices.size()<<std::endl;
//         Array_writeLocalData(fw,vertices.begin(),vertices.end(),1);

        fw.indent()<<"VertexArray ";
        Array_writeLocalData(*geom.getVertexArray(),fw);
        
    }
    if (geom.getVertexIndices())
    {
        fw.indent()<<"VertexIndices ";
        Array_writeLocalData(*geom.getVertexIndices(),fw);        
    }

    if (geom.getNormalArray())
    {
        
        fw.indent()<<"NormalBinding "<<Geometry_getBindingTypeStr(geom.getNormalBinding())<<std::endl;
        
//        const Vec3Array& normals = *geom.getNormalArray();
//        fw.indent()<<"NormalArray "<<normals.size()<<std::endl;
//        Array_writeLocalData(fw,normals.begin(),normals.end(),1);

        fw.indent()<<"NormalArray ";
        Array_writeLocalData(*geom.getNormalArray(),fw);        
        
    }
    if (geom.getNormalIndices())
    {
        fw.indent()<<"NormalIndices ";
        Array_writeLocalData(*geom.getNormalIndices(),fw);        
    }

    if (geom.getColorArray())
    {
        fw.indent()<<"ColorBinding "<<Geometry_getBindingTypeStr(geom.getColorBinding())<<std::endl;
        fw.indent()<<"ColorArray ";
        Array_writeLocalData(*geom.getColorArray(),fw);
    }
    if (geom.getColorIndices())
    {
        fw.indent()<<"ColorIndices ";
        Array_writeLocalData(*geom.getColorIndices(),fw);        
    }

    if (geom.getSecondaryColorArray())
    {
        fw.indent()<<"SecondaryColorBinding "<<Geometry_getBindingTypeStr(geom.getSecondaryColorBinding())<<std::endl;
        fw.indent()<<"SecondaryColorArray ";
        Array_writeLocalData(*geom.getSecondaryColorArray(),fw);
    }
    if (geom.getSecondaryColorIndices())
    {
        fw.indent()<<"SecondayColorIndices ";
        Array_writeLocalData(*geom.getSecondaryColorIndices(),fw);        
    }

    if (geom.getFogCoordArray())
    {
        fw.indent()<<"FogCoordBinding "<<Geometry_getBindingTypeStr(geom.getFogCoordBinding())<<std::endl;
        fw.indent()<<"FogCoordArray ";
        Array_writeLocalData(*geom.getFogCoordArray(),fw);
    }
    if (geom.getFogCoordIndices())
    {
        fw.indent()<<"FogCoordIndices ";
        Array_writeLocalData(*geom.getFogCoordIndices(),fw);        
    }

    const Geometry::ArrayDataList& tcal=geom.getTexCoordArrayList();
    unsigned int i;
    for(i=0;i<tcal.size();++i)
    {
        if (tcal[i].array.valid())
        {
            fw.indent()<<"TexCoordArray "<<i<<" ";
            Array_writeLocalData(*(tcal[i].array),fw);
        }
        if (tcal[i].indices.valid())
        {
            fw.indent()<<"TexCoordIndices "<<i<<" ";
            Array_writeLocalData(*(tcal[i].indices),fw);
        }
    }
    
    const Geometry::ArrayDataList& vaal=geom.getVertexAttribArrayList();
    for(i=0;i<vaal.size();++i)
    {
        const osg::Geometry::ArrayData& arrayData = vaal[i];
    
        if (arrayData.array.valid())
        {
            fw.indent()<<"VertexAttribBinding "<<i<<" "<<Geometry_getBindingTypeStr(arrayData.binding)<<std::endl;
            
            if (arrayData.normalize)
                fw.indent()<<"VertexAttribNormalize "<<i<<" TRUE"<<std::endl;
            else
                fw.indent()<<"VertexAttribNormalize "<<i<<" FALSE"<<std::endl;
                
            fw.indent()<<"VertexAttribArray "<<i<<" ";
            Array_writeLocalData(*(arrayData.array),fw);
        }
        if (arrayData.indices.valid())
        {
            fw.indent()<<"VertexAttribIndices "<<i<<" ";
            Array_writeLocalData(*(arrayData.indices),fw);
        }
    }

    return true;
}

bool Geometry_matchBindingTypeStr(const char* str,Geometry::AttributeBinding& mode)
{
    if (strcmp(str,"OFF")==0) mode = Geometry::BIND_OFF;
    else if (strcmp(str,"OVERALL")==0) mode = Geometry::BIND_OVERALL;
    else if (strcmp(str,"PER_PRIMITIVE")==0) mode = Geometry::BIND_PER_PRIMITIVE;
    else if (strcmp(str,"PER_PRIMITIVE_SET")==0) mode = Geometry::BIND_PER_PRIMITIVE_SET;
    else if (strcmp(str,"PER_VERTEX")==0) mode = Geometry::BIND_PER_VERTEX;
    else return false;
    return true;
}


const char* Geometry_getBindingTypeStr(Geometry::AttributeBinding mode)
{
    switch(mode)
    {
        case (Geometry::BIND_OVERALL)           : return "OVERALL";
        case (Geometry::BIND_PER_PRIMITIVE)     : return "PER_PRIMITIVE";
        case (Geometry::BIND_PER_PRIMITIVE_SET) : return "PER_PRIMITIVE_SET";
        case (Geometry::BIND_PER_VERTEX)        : return "PER_VERTEX";
        case (Geometry::BIND_OFF)               :
        default                                        : return "OFF";
    }
}

bool Geometry_matchPrimitiveModeStr(const char* str,GLenum& mode)
{
    if      (strcmp(str,"POINTS")==0)           mode = PrimitiveSet::POINTS;
    else if (strcmp(str,"LINES")==0)            mode = PrimitiveSet::LINES;
    else if (strcmp(str,"LINE_STRIP")==0)       mode = PrimitiveSet::LINE_STRIP;
    else if (strcmp(str,"LINE_LOOP")==0)        mode = PrimitiveSet::LINE_LOOP;
    else if (strcmp(str,"TRIANGLES")==0)        mode = PrimitiveSet::TRIANGLES;
    else if (strcmp(str,"TRIANGLE_STRIP")==0)   mode = PrimitiveSet::TRIANGLE_STRIP;
    else if (strcmp(str,"TRIANGLE_FAN")==0)     mode = PrimitiveSet::TRIANGLE_FAN;
    else if (strcmp(str,"QUADS")==0)            mode = PrimitiveSet::QUADS;
    else if (strcmp(str,"QUAD_STRIP")==0)       mode = PrimitiveSet::QUAD_STRIP;
    else if (strcmp(str,"POLYGON")==0)          mode = PrimitiveSet::POLYGON;
    else return false;
    return true;
}


const char* Geometry_getPrimitiveModeStr(GLenum mode)
{
    switch(mode)
    {
        case (PrimitiveSet::POINTS)            : return "POINTS";
        case (PrimitiveSet::LINES)             : return "LINES";
        case (PrimitiveSet::LINE_STRIP)        : return "LINE_STRIP";
        case (PrimitiveSet::LINE_LOOP)         : return "LINE_LOOP";
        case (PrimitiveSet::TRIANGLES)         : return "TRIANGLES";
        case (PrimitiveSet::TRIANGLE_STRIP)    : return "TRIANGLE_STRIP";
        case (PrimitiveSet::TRIANGLE_FAN)      : return "TRIANGLE_FAN";
        case (PrimitiveSet::QUADS)             : return "QUADS";
        case (PrimitiveSet::QUAD_STRIP)        : return "QUAD_STRIP";
        case (PrimitiveSet::POLYGON)           : return "POLYGON";
        default                                : return "UnknownPrimitveType";
    }
}