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115 lines
3.3 KiB
115 lines
3.3 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A higher level link library for general use in the game and tools.
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//
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//===========================================================================//
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#ifndef TIER3_H
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#define TIER3_H
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#if defined( _WIN32 )
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#pragma once
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#endif
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#include "tier2/tier2.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class IStudioRender;
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class IMatSystemSurface;
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class IDataCache;
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class IMDLCache;
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class IVideoServices;
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class IDmeMakefileUtils;
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class IPhysicsCollision;
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class ISoundEmitterSystemBase;
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class IVTex;
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namespace vgui
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{
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class ISurface;
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class IVGui;
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class IInput;
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class IPanel;
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class ILocalize;
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class ISchemeManager;
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class ISystem;
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}
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//-----------------------------------------------------------------------------
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// These tier3 libraries must be set by any users of this library.
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// They can be set by calling ConnectTier3Libraries.
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// It is hoped that setting this, and using this library will be the common mechanism for
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// allowing link libraries to access tier3 library interfaces
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//-----------------------------------------------------------------------------
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extern IStudioRender *g_pStudioRender;
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extern IStudioRender *studiorender;
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extern IMatSystemSurface *g_pMatSystemSurface;
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extern vgui::ISurface *g_pVGuiSurface;
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extern vgui::IInput *g_pVGuiInput;
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extern vgui::IVGui *g_pVGui;
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extern vgui::IPanel *g_pVGuiPanel;
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extern vgui::ILocalize *g_pVGuiLocalize;
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extern vgui::ISchemeManager *g_pVGuiSchemeManager;
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extern vgui::ISystem *g_pVGuiSystem;
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extern IDataCache *g_pDataCache; // FIXME: Should IDataCache be in tier2?
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extern IMDLCache *g_pMDLCache;
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extern IMDLCache *mdlcache;
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extern IVideoServices *g_pVideo;
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extern IDmeMakefileUtils *g_pDmeMakefileUtils;
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extern IPhysicsCollision *g_pPhysicsCollision;
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extern ISoundEmitterSystemBase *g_pSoundEmitterSystem;
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extern IVTex *g_pVTex;
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//-----------------------------------------------------------------------------
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// Call this to connect to/disconnect from all tier 3 libraries.
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// It's up to the caller to check the globals it cares about to see if ones are missing
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//-----------------------------------------------------------------------------
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void ConnectTier3Libraries( CreateInterfaceFn *pFactoryList, int nFactoryCount );
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void DisconnectTier3Libraries();
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//-----------------------------------------------------------------------------
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// Helper empty implementation of an IAppSystem for tier2 libraries
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//-----------------------------------------------------------------------------
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template< class IInterface, int ConVarFlag = 0 >
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class CTier3AppSystem : public CTier2AppSystem< IInterface, ConVarFlag >
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{
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typedef CTier2AppSystem< IInterface, ConVarFlag > BaseClass;
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public:
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CTier3AppSystem( bool bIsPrimaryAppSystem = true ) : BaseClass( bIsPrimaryAppSystem )
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{
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}
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virtual bool Connect( CreateInterfaceFn factory )
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{
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if ( !BaseClass::Connect( factory ) )
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return false;
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if ( BaseClass::IsPrimaryAppSystem() )
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{
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ConnectTier3Libraries( &factory, 1 );
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}
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return true;
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}
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virtual void Disconnect()
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{
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if ( BaseClass::IsPrimaryAppSystem() )
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{
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DisconnectTier3Libraries();
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}
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BaseClass::Disconnect();
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}
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};
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#endif // TIER3_H
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