93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=====================================================================================//
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#ifndef SCREENSPACEEFFECTS_H
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#define SCREENSPACEEFFECTS_H
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#ifdef _WIN32
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#pragma once
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#endif
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class KeyValues;
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//------------------------------------------------------------------------------
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// Simple base class for screen space post-processing effects
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//------------------------------------------------------------------------------
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class IScreenSpaceEffect
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{
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public:
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virtual void Init( ) = 0;
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virtual void Shutdown( ) = 0;
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virtual void SetParameters( KeyValues *params ) = 0;
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virtual void Render( int x, int y, int w, int h ) = 0;
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virtual void Enable( bool bEnable ) = 0;
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virtual bool IsEnabled( ) = 0;
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};
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//------------------------------------------------------------------------------
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// Interface class for managing screen space post-processing effects
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//------------------------------------------------------------------------------
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class IScreenSpaceEffectManager
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{
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public:
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virtual void InitScreenSpaceEffects( ) = 0;
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virtual void ShutdownScreenSpaceEffects( ) = 0;
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virtual IScreenSpaceEffect *GetScreenSpaceEffect( const char *pEffectName ) = 0;
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virtual void SetScreenSpaceEffectParams( const char *pEffectName, KeyValues *params ) = 0;
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virtual void SetScreenSpaceEffectParams( IScreenSpaceEffect *pEffect, KeyValues *params ) = 0;
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virtual void EnableScreenSpaceEffect( const char *pEffectName ) = 0;
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virtual void EnableScreenSpaceEffect( IScreenSpaceEffect *pEffect ) = 0;
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virtual void DisableScreenSpaceEffect( const char *pEffectName ) = 0;
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virtual void DisableScreenSpaceEffect( IScreenSpaceEffect *pEffect ) = 0;
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virtual void DisableAllScreenSpaceEffects( ) = 0;
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virtual void RenderEffects( int x, int y, int w, int h ) = 0;
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};
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extern IScreenSpaceEffectManager *g_pScreenSpaceEffects;
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//-------------------------------------------------------------------------------------
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// Registration class for adding screen space effects to the IScreenSpaceEffectManager
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//-------------------------------------------------------------------------------------
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class CScreenSpaceEffectRegistration
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{
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public:
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CScreenSpaceEffectRegistration( const char *pName, IScreenSpaceEffect *pEffect );
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const char *m_pEffectName;
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IScreenSpaceEffect *m_pEffect;
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CScreenSpaceEffectRegistration *m_pNext;
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// NEVER USE - CATHOOK
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static CScreenSpaceEffectRegistration *s_pHead;
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};
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// CATHOOK
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extern CScreenSpaceEffectRegistration** g_ppScreenSpaceRegistrationHead;
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#define ADD_SCREENSPACE_EFFECT( CEffect, pEffectName ) CEffect pEffectName##_effect; \
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CScreenSpaceEffectRegistration pEffectName##_reg( #pEffectName, &pEffectName##_effect );
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#endif
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