75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: These are a couple of base proxy classes to help us with
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// getting/setting source/result material vars
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef FUNCTIONPROXY_H
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#define FUNCTIONPROXY_H
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#include "materialsystem/imaterialproxy.h"
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#include "materialsystem/imaterialvar.h"
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class IMaterialVar;
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class C_BaseEntity;
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//-----------------------------------------------------------------------------
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// Helper class to deal with floating point inputs
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//-----------------------------------------------------------------------------
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class CFloatInput
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{
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public:
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bool Init( IMaterial *pMaterial, KeyValues *pKeyValues, const char *pKeyName, float flDefault = 0.0f );
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float GetFloat() const;
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private:
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float m_flValue;
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IMaterialVar *m_pFloatVar;
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int m_FloatVecComp;
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};
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//-----------------------------------------------------------------------------
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// Result proxy; a result (with vector friendliness)
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//-----------------------------------------------------------------------------
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class CResultProxy : public IMaterialProxy
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{
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public:
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CResultProxy();
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virtual ~CResultProxy();
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void Release( void ) { delete this; }
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virtual IMaterial *GetMaterial();
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protected:
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C_BaseEntity *BindArgToEntity( void *pArg );
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void SetFloatResult( float result );
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IMaterialVar* m_pResult;
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int m_ResultVecComp;
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};
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//-----------------------------------------------------------------------------
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// Base functional proxy; two sources (one is optional) and a result
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//-----------------------------------------------------------------------------
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class CFunctionProxy : public CResultProxy
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{
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public:
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CFunctionProxy();
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virtual ~CFunctionProxy();
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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protected:
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void ComputeResultType( MaterialVarType_t& resultType, int& vecSize );
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IMaterialVar* m_pSrc1;
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IMaterialVar* m_pSrc2;
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};
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#endif // FUNCTIONPROXY_H
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