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298 lines
10 KiB
298 lines
10 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// The copyright to the contents herein is the property of Valve, L.L.C.
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// The contents may be used and/or copied only with the written permission of
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// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
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// the agreement/contract under which the contents have been supplied.
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//
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// $Header: $
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// $NoKeywords: $
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//
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// model loading and caching
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//
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//=============================================================================
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#ifndef IMDLCACHE_H
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#define IMDLCACHE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "appframework/IAppSystem.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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struct studiohdr_t;
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struct studiohwdata_t;
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struct vcollide_t;
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struct virtualmodel_t;
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struct vertexFileHeader_t;
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namespace OptimizedModel
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{
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struct FileHeader_t;
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}
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//-----------------------------------------------------------------------------
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// Reference to a loaded studiomdl
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//-----------------------------------------------------------------------------
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typedef unsigned short MDLHandle_t;
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enum
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{
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MDLHANDLE_INVALID = (MDLHandle_t)~0
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};
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//-----------------------------------------------------------------------------
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// Cache data types
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//-----------------------------------------------------------------------------
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enum MDLCacheDataType_t
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{
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// Callbacks to get called when data is loaded or unloaded for these:
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MDLCACHE_STUDIOHDR = 0,
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MDLCACHE_STUDIOHWDATA,
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MDLCACHE_VCOLLIDE,
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// Callbacks NOT called when data is loaded or unloaded for these:
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MDLCACHE_ANIMBLOCK,
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MDLCACHE_VIRTUALMODEL,
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MDLCACHE_VERTEXES,
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MDLCACHE_DECODEDANIMBLOCK,
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};
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abstract_class IMDLCacheNotify
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{
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public:
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// Called right after the data is loaded
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virtual void OnDataLoaded( MDLCacheDataType_t type, MDLHandle_t handle ) = 0;
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// Called right before the data is unloaded
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virtual void OnDataUnloaded( MDLCacheDataType_t type, MDLHandle_t handle ) = 0;
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};
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//-----------------------------------------------------------------------------
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// Flags for flushing
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//-----------------------------------------------------------------------------
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enum MDLCacheFlush_t
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{
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MDLCACHE_FLUSH_STUDIOHDR = 0x01,
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MDLCACHE_FLUSH_STUDIOHWDATA = 0x02,
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MDLCACHE_FLUSH_VCOLLIDE = 0x04,
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MDLCACHE_FLUSH_ANIMBLOCK = 0x08,
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MDLCACHE_FLUSH_VIRTUALMODEL = 0x10,
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MDLCACHE_FLUSH_AUTOPLAY = 0x20,
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MDLCACHE_FLUSH_VERTEXES = 0x40,
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MDLCACHE_FLUSH_IGNORELOCK = 0x80000000,
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MDLCACHE_FLUSH_ALL = 0xFFFFFFFF
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};
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/*
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#define MDLCACHE_INTERFACE_VERSION_4 "MDLCache004"
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namespace MDLCacheV4
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{
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abstract_class IMDLCache : public IAppSystem
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{
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public:
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// Used to install callbacks for when data is loaded + unloaded
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virtual void SetCacheNotify( IMDLCacheNotify *pNotify ) = 0;
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// NOTE: This assumes the "GAME" path if you don't use
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// the UNC method of specifying files. This will also increment
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// the reference count of the MDL
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virtual MDLHandle_t FindMDL( const char *pMDLRelativePath ) = 0;
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// Reference counting
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virtual int AddRef( MDLHandle_t handle ) = 0;
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virtual int Release( MDLHandle_t handle ) = 0;
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// Gets at the various data associated with a MDL
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virtual studiohdr_t *GetStudioHdr( MDLHandle_t handle ) = 0;
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virtual studiohwdata_t *GetHardwareData( MDLHandle_t handle ) = 0;
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virtual vcollide_t *GetVCollide( MDLHandle_t handle ) = 0;
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virtual unsigned char *GetAnimBlock( MDLHandle_t handle, int nBlock ) = 0;
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virtual virtualmodel_t *GetVirtualModel( MDLHandle_t handle ) = 0;
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virtual int GetAutoplayList( MDLHandle_t handle, unsigned short **pOut ) = 0;
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virtual vertexFileHeader_t *GetVertexData( MDLHandle_t handle ) = 0;
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// Brings all data associated with an MDL into memory
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virtual void TouchAllData( MDLHandle_t handle ) = 0;
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// Gets/sets user data associated with the MDL
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virtual void SetUserData( MDLHandle_t handle, void* pData ) = 0;
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virtual void *GetUserData( MDLHandle_t handle ) = 0;
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// Is this MDL using the error model?
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virtual bool IsErrorModel( MDLHandle_t handle ) = 0;
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// Flushes the cache, force a full discard
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virtual void Flush( int nFlushFlags = MDLCACHE_FLUSH_ALL ) = 0;
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// Flushes a particular model out of memory
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virtual void Flush( MDLHandle_t handle, int nFlushFlags = MDLCACHE_FLUSH_ALL ) = 0;
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// Returns the name of the model (its relative path)
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virtual const char *GetModelName( MDLHandle_t handle ) = 0;
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// faster access when you already have the studiohdr
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virtual virtualmodel_t *GetVirtualModelFast( const studiohdr_t *pStudioHdr, MDLHandle_t handle ) = 0;
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// all cache entries that subsequently allocated or successfully checked
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// are considered "locked" and will not be freed when additional memory is needed
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virtual void BeginLock() = 0;
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// reset all protected blocks to normal
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virtual void EndLock() = 0;
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// returns a pointer to a counter that is incremented every time the cache has been out of the locked state (EVIL)
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virtual int *GetFrameUnlockCounterPtr() = 0;
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// Finish all pending async operations
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virtual void FinishPendingLoads() = 0;
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};
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}
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*/
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//-----------------------------------------------------------------------------
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// The main MDL cacher
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//-----------------------------------------------------------------------------
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#define MDLCACHE_INTERFACE_VERSION "MDLCache004"
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abstract_class IMDLCache : public IAppSystem
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{
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public:
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// Used to install callbacks for when data is loaded + unloaded
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// Returns the prior notify
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virtual void SetCacheNotify( IMDLCacheNotify *pNotify ) = 0;
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// NOTE: This assumes the "GAME" path if you don't use
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// the UNC method of specifying files. This will also increment
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// the reference count of the MDL
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virtual MDLHandle_t FindMDL( const char *pMDLRelativePath ) = 0;
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// Reference counting
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virtual int AddRef( MDLHandle_t handle ) = 0;
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virtual int Release( MDLHandle_t handle ) = 0;
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virtual int GetRef( MDLHandle_t handle ) = 0;
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// Gets at the various data associated with a MDL
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virtual studiohdr_t *GetStudioHdr( MDLHandle_t handle ) = 0;
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virtual studiohwdata_t *GetHardwareData( MDLHandle_t handle ) = 0;
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virtual vcollide_t *GetVCollide( MDLHandle_t handle ) = 0;
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virtual unsigned char *GetAnimBlock( MDLHandle_t handle, int nBlock ) = 0;
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virtual virtualmodel_t *GetVirtualModel( MDLHandle_t handle ) = 0;
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virtual int GetAutoplayList( MDLHandle_t handle, unsigned short **pOut ) = 0;
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virtual vertexFileHeader_t *GetVertexData( MDLHandle_t handle ) = 0;
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// Brings all data associated with an MDL into memory
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virtual void TouchAllData( MDLHandle_t handle ) = 0;
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// Gets/sets user data associated with the MDL
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virtual void SetUserData( MDLHandle_t handle, void* pData ) = 0;
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virtual void *GetUserData( MDLHandle_t handle ) = 0;
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// Is this MDL using the error model?
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virtual bool IsErrorModel( MDLHandle_t handle ) = 0;
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// Flushes the cache, force a full discard
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virtual void Flush( MDLCacheFlush_t nFlushFlags = MDLCACHE_FLUSH_ALL ) = 0;
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// Flushes a particular model out of memory
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virtual void Flush( MDLHandle_t handle, int nFlushFlags = MDLCACHE_FLUSH_ALL ) = 0;
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// Returns the name of the model (its relative path)
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virtual const char *GetModelName( MDLHandle_t handle ) = 0;
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// faster access when you already have the studiohdr
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virtual virtualmodel_t *GetVirtualModelFast( const studiohdr_t *pStudioHdr, MDLHandle_t handle ) = 0;
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// all cache entries that subsequently allocated or successfully checked
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// are considered "locked" and will not be freed when additional memory is needed
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virtual void BeginLock() = 0;
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// reset all protected blocks to normal
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virtual void EndLock() = 0;
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// returns a pointer to a counter that is incremented every time the cache has been out of the locked state (EVIL)
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virtual int *GetFrameUnlockCounterPtrOLD() = 0;
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// Finish all pending async operations
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virtual void FinishPendingLoads() = 0;
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virtual vcollide_t *GetVCollideEx( MDLHandle_t handle, bool synchronousLoad = true ) = 0;
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virtual bool GetVCollideSize( MDLHandle_t handle, int *pVCollideSize ) = 0;
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virtual bool GetAsyncLoad( MDLCacheDataType_t type ) = 0;
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virtual bool SetAsyncLoad( MDLCacheDataType_t type, bool bAsync ) = 0;
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virtual void BeginMapLoad() = 0;
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virtual void EndMapLoad() = 0;
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virtual void MarkAsLoaded( MDLHandle_t handle ) = 0;
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virtual void InitPreloadData( bool rebuild ) = 0;
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virtual void ShutdownPreloadData() = 0;
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virtual bool IsDataLoaded( MDLHandle_t handle, MDLCacheDataType_t type ) = 0;
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virtual int *GetFrameUnlockCounterPtr( MDLCacheDataType_t type ) = 0;
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virtual studiohdr_t *LockStudioHdr( MDLHandle_t handle ) = 0;
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virtual void UnlockStudioHdr( MDLHandle_t handle ) = 0;
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virtual bool PreloadModel( MDLHandle_t handle ) = 0;
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// Hammer uses this. If a model has an error loading in GetStudioHdr, then it is flagged
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// as an error model and any further attempts to load it will just get the error model.
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// That is, until you call this function. Then it will load the correct model.
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virtual void ResetErrorModelStatus( MDLHandle_t handle ) = 0;
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virtual void MarkFrame() = 0;
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};
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//-----------------------------------------------------------------------------
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// Critical section helper code
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//-----------------------------------------------------------------------------
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class CMDLCacheCriticalSection
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{
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public:
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CMDLCacheCriticalSection( IMDLCache *pCache ) : m_pCache( pCache )
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{
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m_pCache->BeginLock();
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}
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~CMDLCacheCriticalSection()
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{
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m_pCache->EndLock();
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}
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private:
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IMDLCache *m_pCache;
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};
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#define MDCACHE_FINE_GRAINED 1
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#if defined(MDCACHE_FINE_GRAINED)
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#define MDLCACHE_CRITICAL_SECTION_( pCache ) CMDLCacheCriticalSection cacheCriticalSection(pCache)
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#define MDLCACHE_COARSE_LOCK_( pCache ) ((void)(0))
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#elif defined(MDLCACHE_LEVEL_LOCKED)
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#define MDLCACHE_CRITICAL_SECTION_( pCache ) ((void)(0))
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#define MDLCACHE_COARSE_LOCK_( pCache ) ((void)(0))
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#else
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#define MDLCACHE_CRITICAL_SECTION_( pCache ) ((void)(0))
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#define MDLCACHE_COARSE_LOCK_( pCache ) CMDLCacheCriticalSection cacheCriticalSection(pCache)
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#endif
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#define MDLCACHE_CRITICAL_SECTION() MDLCACHE_CRITICAL_SECTION_(mdlcache)
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#define MDLCACHE_COARSE_LOCK() MDLCACHE_COARSE_LOCK_(mdlcache)
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#endif // IMDLCACHE_H
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