the great reorganization
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aap
188
src/core/Streaming.h
Normal file
188
src/core/Streaming.h
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#pragma once
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#include "Game.h"
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enum {
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STREAM_OFFSET_MODEL = 0,
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STREAM_OFFSET_TXD = STREAM_OFFSET_MODEL+MODELINFOSIZE,
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NUMSTREAMINFO = STREAM_OFFSET_TXD+TXDSTORESIZE
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};
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enum StreamFlags
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{
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STREAMFLAGS_DONT_REMOVE = 0x01,
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STREAMFLAGS_SCRIPTOWNED = 0x02,
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STREAMFLAGS_DEPENDENCY = 0x04, // Is this right?
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STREAMFLAGS_PRIORITY = 0x08,
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STREAMFLAGS_NOFADE = 0x10,
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// TODO: this isn't named well, maybe CANT_REMOVE?
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STREAMFLAGS_NOT_IN_LIST = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED,
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STREAMFLAGS_KEEP_IN_MEMORY = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED|STREAMFLAGS_DEPENDENCY,
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};
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enum StreamLoadState
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{
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STREAMSTATE_NOTLOADED = 0,
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STREAMSTATE_LOADED = 1,
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STREAMSTATE_INQUEUE = 2,
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STREAMSTATE_READING = 3, // channel is reading
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STREAMSTATE_STARTED = 4, // first part loaded
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};
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enum ChannelState
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{
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CHANNELSTATE_IDLE = 0,
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CHANNELSTATE_READING = 1,
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CHANNELSTATE_STARTED = 2,
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CHANNELSTATE_ERROR = 3,
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};
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class CStreamingInfo
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{
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public:
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CStreamingInfo *m_next;
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CStreamingInfo *m_prev;
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uint8 m_loadState;
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uint8 m_flags;
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int16 m_nextID;
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uint32 m_position;
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uint32 m_size;
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bool GetCdPosnAndSize(uint32 &posn, uint32 &size);
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void SetCdPosnAndSize(uint32 posn, uint32 size);
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void AddToList(CStreamingInfo *link);
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void RemoveFromList(void);
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uint32 GetCdSize(void) { return m_size; }
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bool IsPriority(void) { return !!(m_flags & STREAMFLAGS_PRIORITY); }
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};
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struct CStreamingChannel
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{
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int32 streamIds[4];
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int32 offsets[4];
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int32 state;
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int32 field24;
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int32 position;
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int32 size;
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int32 numTries;
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int32 status; // from CdStream
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};
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class CDirectory;
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enum eLevelName;
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class CPtrList;
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class CStreaming
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{
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public:
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static bool &ms_disableStreaming;
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static bool &ms_bLoadingBigModel;
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static int32 &ms_numModelsRequested;
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static CStreamingInfo *ms_aInfoForModel; //[NUMSTREAMINFO]
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static CStreamingInfo &ms_startLoadedList;
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static CStreamingInfo &ms_endLoadedList;
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static CStreamingInfo &ms_startRequestedList;
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static CStreamingInfo &ms_endRequestedList;
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static int32 &ms_oldSectorX;
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static int32 &ms_oldSectorY;
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static int32 &ms_streamingBufferSize;
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static int8 **ms_pStreamingBuffer; //[2]
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static int32 &ms_memoryUsed;
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static CStreamingChannel *ms_channel; //[2]
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static int32 &ms_channelError;
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static int32 &ms_numVehiclesLoaded;
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static int32 *ms_vehiclesLoaded; //[MAXVEHICLESLOADED]
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static int32 &ms_lastVehicleDeleted;
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static CDirectory *&ms_pExtraObjectsDir;
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static int32 &ms_numPriorityRequests;
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static bool &ms_hasLoadedLODs;
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static int32 &ms_currentPedGrp;
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static int32 ms_lastCullZone;
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static uint16 &ms_loadedGangs;
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static uint16 &ms_loadedGangCars;
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static int32 ms_currentPedLoading;
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static int32 *ms_imageOffsets; //[NUMCDIMAGES]
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static int32 &ms_lastImageRead;
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static int32 &ms_imageSize;
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static uint32 &ms_memoryAvailable;
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static void Init(void);
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static void Shutdown(void);
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static void Update(void);
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static void LoadCdDirectory(void);
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static void LoadCdDirectory(const char *dirname, int32 n);
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static bool ConvertBufferToObject(int8 *buf, int32 streamId);
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static bool FinishLoadingLargeFile(int8 *buf, int32 streamId);
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static bool HasModelLoaded(int32 id) { return ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED; }
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static void RequestModel(int32 model, int32 flags);
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static void ReRequestModel(int32 model) { RequestModel(model, ms_aInfoForModel[model].m_flags); }
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static void RequestTxd(int32 txd, int32 flags) { RequestModel(txd + STREAM_OFFSET_TXD, flags); }
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static void ReRequestTxd(int32 txd) { ReRequestModel(txd + STREAM_OFFSET_TXD); }
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static void RequestSubway(void);
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static void RequestBigBuildings(eLevelName level);
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static void RequestIslands(eLevelName level);
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static void RequestSpecialModel(int32 modelId, const char *modelName, int32 flags);
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static void RequestSpecialChar(int32 charId, const char *modelName, int32 flags);
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static bool HasSpecialCharLoaded(int32 id);
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static void SetMissionDoesntRequireSpecialChar(int32 id);
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static void DecrementRef(int32 id);
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static void RemoveModel(int32 id);
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static void RemoveTxd(int32 id) { RemoveModel(id + STREAM_OFFSET_TXD); }
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static void RemoveUnusedBuildings(eLevelName level);
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static void RemoveBuildings(eLevelName level);
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static void RemoveUnusedBigBuildings(eLevelName level);
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static void RemoveIslandsNotUsed(eLevelName level);
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static void RemoveBigBuildings(eLevelName level);
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static bool RemoveLoadedVehicle(void);
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static bool RemoveLeastUsedModel(void);
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static void RemoveAllUnusedModels(void);
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static void RemoveUnusedModelsInLoadedList(void);
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static bool RemoveReferencedTxds(int32 mem);
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static int32 GetAvailableVehicleSlot(void);
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static bool IsTxdUsedByRequestedModels(int32 txdId);
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static bool AddToLoadedVehiclesList(int32 modelId);
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static bool IsObjectInCdImage(int32 id);
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static void HaveAllBigBuildingsLoaded(eLevelName level);
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static void SetModelIsDeletable(int32 id);
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static void SetModelTxdIsDeletable(int32 id);
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static void SetMissionDoesntRequireModel(int32 id);
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static void LoadInitialPeds(void);
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static void LoadInitialVehicles(void);
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static void StreamVehiclesAndPeds(void);
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static void StreamZoneModels(const CVector &pos);
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static void RemoveCurrentZonesModels(void);
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static int32 GetCdImageOffset(int32 lastPosn);
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static int32 GetNextFileOnCd(int32 position, bool priority);
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static void RequestModelStream(int32 ch);
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static bool ProcessLoadingChannel(int32 ch);
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static void RetryLoadFile(int32 ch);
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static void LoadRequestedModels(void);
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static void LoadAllRequestedModels(bool priority);
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static void FlushChannels(void);
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static void FlushRequestList(void);
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static void MakeSpaceFor(int32 size);
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static void ImGonnaUseStreamingMemory(void);
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static void IHaveUsedStreamingMemory(void);
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static void UpdateMemoryUsed(void);
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static void AddModelsToRequestList(const CVector &pos);
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static void ProcessEntitiesInSectorList(CPtrList &list, float x, float y, float xmin, float ymin, float xmax, float ymax);
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static void ProcessEntitiesInSectorList(CPtrList &list);
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static void DeleteFarAwayRwObjects(const CVector &pos);
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static void DeleteAllRwObjects(void);
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static void DeleteRwObjectsAfterDeath(const CVector &pos);
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static void DeleteRwObjectsBehindCamera(int32 mem);
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static void DeleteRwObjectsInSectorList(CPtrList &list);
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static void DeleteRwObjectsInOverlapSectorList(CPtrList &list, int32 x, int32 y);
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static bool DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem);
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static bool DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, int32 mem);
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static void LoadScene(const CVector &pos);
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static void MemoryCardSave(uint8 *buffer, uint32 *length);
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static void MemoryCardLoad(uint8 *buffer, uint32 length);
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};
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