62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/**********************************************************************
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*
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* FILE: AlphaFunc.cpp
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*
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* DESCRIPTION: Read/Write osg::AlphaFunc in binary format to disk.
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*
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* CREATED BY: Pavlo Moloshtan
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*
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* HISTORY: Created 30.11.2003
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*
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* Copyright 2003 VR-C
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**********************************************************************/
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#include "Exception.h"
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#include "AlphaFunc.h"
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#include "Object.h"
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using namespace ive;
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void AlphaFunc::write(DataOutputStream* out){
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// write AlphaFunc's identification
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out->writeInt(IVEALPHAFUNC);
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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("AlphaFunc::write(): Could not cast this osg::AlphaFunc to an osg::Object.");
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// write AlphaFunc's properties
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out->writeInt(getFunction());
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out->writeFloat(getReferenceValue());
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}
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void AlphaFunc::read(DataInputStream* in){
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// peek on AlphaFunc's identification
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int id = in->peekInt();
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if(id == IVEALPHAFUNC)
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{
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// read AlphaFunc'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("AlphaFunc::read(): Could not cast this osg::AlphaFunc to an osg::Object.");
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// Read AlphaFunc's properties
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osg::AlphaFunc::ComparisonFunction comparison_funtion = osg::AlphaFunc::ComparisonFunction(in->readInt());
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float reference_value = in->readFloat();
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setFunction(comparison_funtion, reference_value);
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}
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else{
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in_THROW_EXCEPTION("AlphaFunc::read(): Expected AlphaFunc identification.");
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}
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}
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