diff options
Diffstat (limited to 'src/core/Streaming.h')
| -rw-r--r-- | src/core/Streaming.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/core/Streaming.h b/src/core/Streaming.h new file mode 100644 index 00000000..212a6d71 --- /dev/null +++ b/src/core/Streaming.h @@ -0,0 +1,188 @@ +#pragma once + +#include "Game.h" + +enum { + STREAM_OFFSET_MODEL = 0, + STREAM_OFFSET_TXD = STREAM_OFFSET_MODEL+MODELINFOSIZE, + NUMSTREAMINFO = STREAM_OFFSET_TXD+TXDSTORESIZE +}; + +enum StreamFlags +{ + STREAMFLAGS_DONT_REMOVE = 0x01, + STREAMFLAGS_SCRIPTOWNED = 0x02, + STREAMFLAGS_DEPENDENCY = 0x04, // Is this right? + STREAMFLAGS_PRIORITY = 0x08, + STREAMFLAGS_NOFADE = 0x10, + + // TODO: this isn't named well, maybe CANT_REMOVE? + STREAMFLAGS_NOT_IN_LIST = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED, + STREAMFLAGS_KEEP_IN_MEMORY = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED|STREAMFLAGS_DEPENDENCY, +}; + +enum StreamLoadState +{ + STREAMSTATE_NOTLOADED = 0, + STREAMSTATE_LOADED = 1, + STREAMSTATE_INQUEUE = 2, + STREAMSTATE_READING = 3, // channel is reading + STREAMSTATE_STARTED = 4, // first part loaded +}; + +enum ChannelState +{ + CHANNELSTATE_IDLE = 0, + CHANNELSTATE_READING = 1, + CHANNELSTATE_STARTED = 2, + CHANNELSTATE_ERROR = 3, +}; + +class CStreamingInfo +{ +public: + CStreamingInfo *m_next; + CStreamingInfo *m_prev; + uint8 m_loadState; + uint8 m_flags; + + int16 m_nextID; + uint32 m_position; + uint32 m_size; + + bool GetCdPosnAndSize(uint32 &posn, uint32 &size); + void SetCdPosnAndSize(uint32 posn, uint32 size); + void AddToList(CStreamingInfo *link); + void RemoveFromList(void); + uint32 GetCdSize(void) { return m_size; } + bool IsPriority(void) { return !!(m_flags & STREAMFLAGS_PRIORITY); } +}; + +struct CStreamingChannel +{ + int32 streamIds[4]; + int32 offsets[4]; + int32 state; + int32 field24; + int32 position; + int32 size; + int32 numTries; + int32 status; // from CdStream +}; + +class CDirectory; +enum eLevelName; +class CPtrList; + +class CStreaming +{ +public: + static bool &ms_disableStreaming; + static bool &ms_bLoadingBigModel; + static int32 &ms_numModelsRequested; + static CStreamingInfo *ms_aInfoForModel; //[NUMSTREAMINFO] + static CStreamingInfo &ms_startLoadedList; + static CStreamingInfo &ms_endLoadedList; + static CStreamingInfo &ms_startRequestedList; + static CStreamingInfo &ms_endRequestedList; + static int32 &ms_oldSectorX; + static int32 &ms_oldSectorY; + static int32 &ms_streamingBufferSize; + static int8 **ms_pStreamingBuffer; //[2] + static int32 &ms_memoryUsed; + static CStreamingChannel *ms_channel; //[2] + static int32 &ms_channelError; + static int32 &ms_numVehiclesLoaded; + static int32 *ms_vehiclesLoaded; //[MAXVEHICLESLOADED] + static int32 &ms_lastVehicleDeleted; + static CDirectory *&ms_pExtraObjectsDir; + static int32 &ms_numPriorityRequests; + static bool &ms_hasLoadedLODs; + static int32 &ms_currentPedGrp; + static int32 ms_lastCullZone; + static uint16 &ms_loadedGangs; + static uint16 &ms_loadedGangCars; + static int32 ms_currentPedLoading; + static int32 *ms_imageOffsets; //[NUMCDIMAGES] + static int32 &ms_lastImageRead; + static int32 &ms_imageSize; + static uint32 &ms_memoryAvailable; + + static void Init(void); + static void Shutdown(void); + static void Update(void); + static void LoadCdDirectory(void); + static void LoadCdDirectory(const char *dirname, int32 n); + static bool ConvertBufferToObject(int8 *buf, int32 streamId); + static bool FinishLoadingLargeFile(int8 *buf, int32 streamId); + static bool HasModelLoaded(int32 id) { return ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED; } + static void RequestModel(int32 model, int32 flags); + static void ReRequestModel(int32 model) { RequestModel(model, ms_aInfoForModel[model].m_flags); } + static void RequestTxd(int32 txd, int32 flags) { RequestModel(txd + STREAM_OFFSET_TXD, flags); } + static void ReRequestTxd(int32 txd) { ReRequestModel(txd + STREAM_OFFSET_TXD); } + static void RequestSubway(void); + static void RequestBigBuildings(eLevelName level); + static void RequestIslands(eLevelName level); + static void RequestSpecialModel(int32 modelId, const char *modelName, int32 flags); + static void RequestSpecialChar(int32 charId, const char *modelName, int32 flags); + static bool HasSpecialCharLoaded(int32 id); + static void SetMissionDoesntRequireSpecialChar(int32 id); + static void DecrementRef(int32 id); + static void RemoveModel(int32 id); + static void RemoveTxd(int32 id) { RemoveModel(id + STREAM_OFFSET_TXD); } + static void RemoveUnusedBuildings(eLevelName level); + static void RemoveBuildings(eLevelName level); + static void RemoveUnusedBigBuildings(eLevelName level); + static void RemoveIslandsNotUsed(eLevelName level); + static void RemoveBigBuildings(eLevelName level); + static bool RemoveLoadedVehicle(void); + static bool RemoveLeastUsedModel(void); + static void RemoveAllUnusedModels(void); + static void RemoveUnusedModelsInLoadedList(void); + static bool RemoveReferencedTxds(int32 mem); + static int32 GetAvailableVehicleSlot(void); + static bool IsTxdUsedByRequestedModels(int32 txdId); + static bool AddToLoadedVehiclesList(int32 modelId); + static bool IsObjectInCdImage(int32 id); + static void HaveAllBigBuildingsLoaded(eLevelName level); + static void SetModelIsDeletable(int32 id); + static void SetModelTxdIsDeletable(int32 id); + static void SetMissionDoesntRequireModel(int32 id); + static void LoadInitialPeds(void); + static void LoadInitialVehicles(void); + static void StreamVehiclesAndPeds(void); + static void StreamZoneModels(const CVector &pos); + static void RemoveCurrentZonesModels(void); + + static int32 GetCdImageOffset(int32 lastPosn); + static int32 GetNextFileOnCd(int32 position, bool priority); + static void RequestModelStream(int32 ch); + static bool ProcessLoadingChannel(int32 ch); + static void RetryLoadFile(int32 ch); + static void LoadRequestedModels(void); + static void LoadAllRequestedModels(bool priority); + static void FlushChannels(void); + static void FlushRequestList(void); + + static void MakeSpaceFor(int32 size); + static void ImGonnaUseStreamingMemory(void); + static void IHaveUsedStreamingMemory(void); + static void UpdateMemoryUsed(void); + + static void AddModelsToRequestList(const CVector &pos); + static void ProcessEntitiesInSectorList(CPtrList &list, float x, float y, float xmin, float ymin, float xmax, float ymax); + static void ProcessEntitiesInSectorList(CPtrList &list); + static void DeleteFarAwayRwObjects(const CVector &pos); + static void DeleteAllRwObjects(void); + static void DeleteRwObjectsAfterDeath(const CVector &pos); + static void DeleteRwObjectsBehindCamera(int32 mem); + static void DeleteRwObjectsInSectorList(CPtrList &list); + static void DeleteRwObjectsInOverlapSectorList(CPtrList &list, int32 x, int32 y); + static bool DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem); + static bool DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, int32 mem); + + static void LoadScene(const CVector &pos); + + static void MemoryCardSave(uint8 *buffer, uint32 *length); + static void MemoryCardLoad(uint8 *buffer, uint32 length); +}; |