OpenSceneGraph/src/osgPlugins/ive/Uniform.cpp

/**********************************************************************
 *
 *    FILE:            Uniform.cpp
 *
 *    DESCRIPTION:    Read/Write osg::Uniform in binary format to disk.
 *
 *    CREATED BY:        Auto generated by iveGenerated
 *                    and later modified by Rune Schmidt Jensen.
 *
 *    HISTORY:        Created 20.3.2003
 *
 *    Copyright 2003 VR-C
 **********************************************************************/

#include "Exception.h"
#include "Uniform.h"
#include "Object.h"
#include <osg/Notify>

using namespace ive;

void Uniform::write(DataOutputStream* out){
    // Write Uniform's identification.
    out->writeInt(IVEUNIFORM);
    // If the osg class is inherited by any other class we should also write this to file.
    osg::Object*  obj = dynamic_cast<osg::Object*>(this);
    if(obj)
    {
        ((ive::Object*)(obj))->write(out);
    }
    else
        throw Exception("Uniform::write(): Could not cast this osg::Uniform to an osg::Object.");

    out->writeInt(getType());
    out->writeString(getName());

    switch( Uniform::getGlApiType(getType()) )
    {
        case(osg::Uniform::FLOAT):
        {
            float value;
            get(value);
            out->writeFloat(value);
            break;
        }
        case(osg::Uniform::FLOAT_VEC2):
        {
            osg::Vec2 value;
            get(value);
            out->writeVec2(value);
            break;
        }
        case(osg::Uniform::FLOAT_VEC3):
        {
            osg::Vec3 value;
            get(value);
            out->writeVec3(value);
            break;
        }
        case(osg::Uniform::FLOAT_VEC4):
        {
            osg::Vec4 value;
            get(value);
            out->writeVec4(value);
            break;
        }
        case(osg::Uniform::INT):
        {
            int i0;
            get(i0);
            out->writeInt(i0);
            break;
        }
        case(osg::Uniform::INT_VEC2):
        {
            int i0, i1;
            get(i0, i1);
            out->writeInt(i0);
            out->writeInt(i1);
            break;
        }
        case(osg::Uniform::INT_VEC3):
        {
            int i0, i1, i2;
            get(i0, i1, i2);
            out->writeInt(i0);
            out->writeInt(i1);
            out->writeInt(i2);
            break;
        }
        case(osg::Uniform::INT_VEC4):
        {
            int i0, i1, i2, i3;
            get(i0, i1, i2, i3);
            out->writeInt(i0);
            out->writeInt(i1);
            out->writeInt(i2);
            out->writeInt(i3);
            break;
        }
        case(osg::Uniform::FLOAT_MAT2):
        {
            osg::notify(osg::WARN)<<"Warning : type mat2 not supported for reading."<<std::endl;
            break;
        }
        case(osg::Uniform::FLOAT_MAT3):
        {
            osg::notify(osg::WARN)<<"Warning : type mat3 not supported for reading."<<std::endl;
            break;
        }
        case(osg::Uniform::FLOAT_MAT4):
        {
            osg::Matrixf matrix;
            get(matrix);
            out->writeMatrixf(matrix);
            break;
        }
        default:
        {
            osg::notify(osg::WARN)<<"Warning : uniform "<<getType()<<"type not supported for reading."<<std::endl;
            break;
        }
    }
}

void Uniform::read(DataInputStream* in)
{
    // Read Uniform's identification.
    int id = in->peekInt();
    if(id == IVEUNIFORM)
    {
        // Read Uniform's identification.
        id = in->readInt();
        // If the osg class is inherited by any other class we should also read this from file.
        osg::Object*  obj = dynamic_cast<osg::Object*>(this);
        if(obj)
        {
            ((ive::Object*)(obj))->read(in);
        }
        else
            throw Exception("Uniform::read(): Could not cast this osg::Uniform to an osg::Object.");

    }
    else
    {
        throw Exception("Uniform::read(): Expected Uniform identification.");
    }
    
    setType(static_cast<Type>(in->readInt()));
    setName(in->readString());
    
    switch( Uniform::getGlApiType(getType()) )
    {
        case(osg::Uniform::FLOAT):
        {
            set(in->readFloat());
            break;
        }
        case(osg::Uniform::FLOAT_VEC2):
        {
            set(in->readVec2());
            break;
        }
        case(osg::Uniform::FLOAT_VEC3):
        {
            set(in->readVec3());
            break;
        }
        case(osg::Uniform::FLOAT_VEC4):
        {
            set(in->readVec4());
            break;
        }
        case(osg::Uniform::INT):
        {
            set(in->readInt());
            break;
        }
        case(osg::Uniform::INT_VEC2):
        {
            int i0 = in->readInt();
            int i1 = in->readInt();
            set(i0,i1);
            break;
        }
        case(osg::Uniform::INT_VEC3):
        {
            int i0 = in->readInt();
            int i1 = in->readInt();
            int i2 = in->readInt();
            set(i0,i1,i2);
            break;
        }
        case(osg::Uniform::INT_VEC4):
        {
            int i0 = in->readInt();
            int i1 = in->readInt();
            int i2 = in->readInt();
            int i3 = in->readInt();
            set(i0,i1,i2,i3);
            break;
        }
        case(osg::Uniform::FLOAT_MAT2):
        {
            osg::notify(osg::WARN)<<"Warning : type mat2 not supported for reading."<<std::endl;
            break;
        }
        case(osg::Uniform::FLOAT_MAT3):
        {
            osg::notify(osg::WARN)<<"Warning : type mat3 not supported for reading."<<std::endl;
            break;
        }
        case(osg::Uniform::FLOAT_MAT4):
        {
            set( in->readMatrixf() );
            break;
        }
        default:
        {
            osg::notify(osg::WARN)<<"Warning : uniform "<<getType()<<"type not supported for reading."<<std::endl;
            break;
        }
    }

}