68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/**********************************************************************
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*
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* FILE: Fog.cpp
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*
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* DESCRIPTION: Read/Write osg::Fog 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 17.06.2008
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*
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**********************************************************************/
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#include "Exception.h"
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#include "Fog.h"
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#include "Object.h"
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using namespace ive;
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void Fog::write(DataOutputStream* out){
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// write Fog's identification
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out->writeInt(IVEFOG);
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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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osg::Object* obj = dynamic_cast<osg::Object*>(this);
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if(obj)
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((ive::Object*)(obj))->write(out);
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else
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out_THROW_EXCEPTION("Fog::write(): Could not cast this osg::Fog to an osg::Object.");
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// write Fog's properties
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out->writeInt(getMode());
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out->writeFloat(getDensity());
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out->writeFloat(getStart());
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out->writeFloat(getEnd());
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out->writeVec4(getColor());
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out->writeInt(getFogCoordinateSource());
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}
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void Fog::read(DataInputStream* in){
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// peek on Fog's identification
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int id = in->peekInt();
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if(id == IVEFOG)
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{
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// read Fog'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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osg::Object* obj = dynamic_cast<osg::Object*>(this);
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if(obj)
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((ive::Object*)(obj))->read(in);
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else
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in_THROW_EXCEPTION("Fog::read(): Could not cast this osg::Fog to an osg::Object.");
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// Read Fog's properties
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setMode(osg::Fog::Mode(in->readInt()));
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setDensity(in->readFloat());
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setStart(in->readFloat());
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setEnd(in->readFloat());
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setColor(in->readVec4());
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setFogCoordinateSource(in->readInt());
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}
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else{
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in_THROW_EXCEPTION("Fog::read(): Expected Fog identification.");
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}
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}
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