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59 lines
1.4 KiB
59 lines
1.4 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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// $Workfile: $ |
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// $Date: $ |
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// $NoKeywords: $ |
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//===========================================================================// |
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#if !defined( IENGINE_H ) |
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#define IENGINE_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "interface.h" |
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//----------------------------------------------------------------------------- |
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// Purpose: |
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//----------------------------------------------------------------------------- |
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abstract_class IEngine |
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{ |
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public: |
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enum |
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{ |
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QUIT_NOTQUITTING = 0, |
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QUIT_TODESKTOP, |
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QUIT_RESTART |
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}; |
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// Engine State Flags |
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enum EngineState_t |
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{ |
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DLL_INACTIVE = 0, // no dll |
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DLL_ACTIVE, // engine is focused |
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DLL_CLOSE, // closing down dll |
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DLL_RESTART, // engine is shutting down but will restart right away |
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DLL_PAUSED, // engine is paused, can become active from this state |
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}; |
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virtual ~IEngine( void ) { } |
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virtual bool Load( bool dedicated, const char *rootdir ) = 0; |
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virtual void Unload( void ) = 0; |
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virtual void SetNextState( EngineState_t iNextState ) = 0; |
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virtual EngineState_t GetState( void ) = 0; |
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virtual void Frame( void ) = 0; |
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virtual float GetFrameTime( void ) = 0; |
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virtual float GetCurTime( void ) = 0; |
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virtual int GetQuitting( void ) = 0; |
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virtual void SetQuitting( int quittype ) = 0; |
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}; |
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extern IEngine *eng; |
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#endif // IENGINE_H
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