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engine/precache.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef PRECACHE_H
+#define PRECACHE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "networkstringtabledefs.h"
+
+#define PRECACHE_USER_DATA_NUMBITS		2			// Only network two bits from flags field...
+
+#pragma pack(1)
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+struct CPrecacheUserData
+{
+	unsigned char flags : PRECACHE_USER_DATA_NUMBITS;
+};
+
+#pragma pack()
+
+
+
+class CSfxTable;
+struct model_t;
+
+//#define DEBUG_PRECACHE 1
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CPrecacheItem
+{
+public:
+					CPrecacheItem( void );
+
+	// accessorts
+	model_t			*GetModel( void );
+	char const		*GetGeneric( void );
+	CSfxTable		*GetSound( void );
+	char const		*GetName( void );
+	char const		*GetDecal( void );
+
+	void			SetModel( model_t const *pmodel );
+	void			SetGeneric( char const *pname );
+	void			SetSound( CSfxTable const *psound );
+	void			SetName( char const *pname );
+	void			SetDecal( char const *decalname );
+
+	float			GetFirstReference( void );
+	float			GetMostRecentReference( void );
+	unsigned int	GetReferenceCount( void );
+
+private:
+	enum
+	{
+		TYPE_UNK = 0,
+		TYPE_MODEL,
+		TYPE_SOUND,
+		TYPE_GENERIC,
+		TYPE_DECAL
+	};
+
+	void			Init( int type, void const *ptr );
+	void			ResetStats( void );
+	void			Reference( void );
+
+	unsigned int	m_nType : 3;
+	unsigned int	m_uiRefcount : 29;
+	union precacheptr
+	{
+		model_t		*model;
+		char const	*generic;
+		CSfxTable	*sound;
+		char const	*name;
+	} u;
+#if DEBUG_PRECACHE
+	float			m_flFirst;
+	float			m_flMostRecent;
+#endif
+};
+
+#define MODEL_PRECACHE_TABLENAME	"modelprecache"
+#define GENERIC_PRECACHE_TABLENAME	"genericprecache"
+#define SOUND_PRECACHE_TABLENAME	"soundprecache"
+#define DECAL_PRECACHE_TABLENAME	"decalprecache"
+
+char const *GetFlagString( int flags );
+
+#endif // PRECACHE_H