75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/**********************************************************************
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*
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* FILE: BumpMapping.cpp
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*
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* DESCRIPTION: Read/Write osgFX::BumpMapping in binary format to disk.
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*
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* CREATED BY: Liang Aibin
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*
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* HISTORY: Created 23.8.2008
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*
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**********************************************************************/
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#include "Exception.h"
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#include "BumpMapping.h"
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#include "Effect.h"
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#include "Texture2D.h"
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using namespace ive;
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void BumpMapping::write(DataOutputStream* out){
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// Write BumpMapping's identification.
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out->writeInt(IVEBUMPMAPPING);
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// If the osg class is inherited by any other class we should also write this to file.
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osgFX::Effect* effect = dynamic_cast<osgFX::Effect*>(this);
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if(effect){
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((ive::Effect*)(effect))->write(out);
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}
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else
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out_THROW_EXCEPTION("BumpMapping::write(): Could not cast this osgFX::BumpMapping to an osgFX::Effect.");
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// Write BumpMapping's properties.
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out->writeInt(getLightNumber());
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out->writeInt(getDiffuseTextureUnit());
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out->writeInt(getNormalMapTextureUnit());
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osg::Texture2D *tex=getOverrideDiffuseTexture();
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((ive::Texture2D*)(tex))->write(out);
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tex=getOverrideNormalMapTexture();
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((ive::Texture2D*)(tex))->write(out);
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}
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void BumpMapping::read(DataInputStream* in){
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// Peek on BumpMapping's identification.
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int id = in->peekInt();
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if(id == IVEBUMPMAPPING){
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// Read BumpMapping's identification.
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id = in->readInt();
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// If the osg class is inherited by any other class we should also read this from file.
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osgFX::Effect* effect = dynamic_cast<osgFX::Effect*>(this);
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if(effect){
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((ive::Effect*)(effect))->read(in);
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}
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else
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in_THROW_EXCEPTION("BumpMapping::read(): Could not cast this osgFX::BumpMapping to an osgFX::Effect.");
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// Read BumpMapping's properties
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setLightNumber(in->readInt());
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setDiffuseTextureUnit(in->readInt());
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setNormalMapTextureUnit(in->readInt());
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osg::Texture2D *tex=new osg::Texture2D;
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((ive::Texture2D*)(tex))->read(in);
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setOverrideDiffuseTexture(tex);
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tex=new osg::Texture2D;
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((ive::Texture2D*)(tex))->read(in);
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setOverrideNormalMapTexture(tex);
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}
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else{
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in_THROW_EXCEPTION("BumpMapping::read(): Expected BumpMapping identification.");
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}
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}
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