diff options
Diffstat (limited to 'src/Streaming.cpp')
| -rw-r--r-- | src/Streaming.cpp | 754 |
1 files changed, 707 insertions, 47 deletions
diff --git a/src/Streaming.cpp b/src/Streaming.cpp index 1a5800e2..14582e0c 100644 --- a/src/Streaming.cpp +++ b/src/Streaming.cpp @@ -13,11 +13,6 @@ #include "CdStream.h" #include "Streaming.h" -/* -CStreaming::ms_channelError 0x880DB8 -CStreaming::ms_lastVehicleDeleted 0x95CBF8 -*/ - bool &CStreaming::ms_disableStreaming = *(bool*)0x95CD6E; bool &CStreaming::ms_bLoadingBigModel = *(bool*)0x95CDB0; int32 &CStreaming::ms_numModelsRequested = *(int32*)0x8E2C10; @@ -29,11 +24,13 @@ CStreamingInfo &CStreaming::ms_endRequestedList = *(CStreamingInfo*)0x940738; int32 &CStreaming::ms_oldSectorX = *(int32*)0x8F2C84; int32 &CStreaming::ms_oldSectorY = *(int32*)0x8F2C88; uint32 &CStreaming::ms_streamingBufferSize = *(uint32*)0x942FB0; -uint8 **CStreaming::ms_pStreamingBuffer = (uint8**)0x87F818; +int8 **CStreaming::ms_pStreamingBuffer = (int8**)0x87F818; int32 &CStreaming::ms_memoryUsed = *(int32*)0x940568; CStreamingChannel *CStreaming::ms_channel = (CStreamingChannel*)0x727EE0; +int32 &CStreaming::ms_channelError = *(int32*)0x880DB8; int32 &CStreaming::ms_numVehiclesLoaded = *(int32*)0x8F2C80; int32 *CStreaming::ms_vehiclesLoaded = (int32*)0x773560; +int32 &CStreaming::ms_lastVehicleDeleted = *(int32*)0x95CBF8; CDirectory *&CStreaming::ms_pExtraObjectsDir = *(CDirectory**)0x95CB90; int32 &CStreaming::ms_numPriorityRequests = *(int32*)0x8F31C4; bool &CStreaming::ms_hasLoadedLODs = *(bool*)0x95CD47; @@ -60,8 +57,8 @@ int32 &islandLODsubInd = *(int32*)0x6212D4; int32 &islandLODsubCom = *(int32*)0x6212D8; WRAPPER void CStreaming::MakeSpaceFor(int32 size) { EAXJMP(0x409B70); } -WRAPPER bool CStreaming::IsTxdUsedByRequestedModels(int32 txdId) { EAXJMP(0x4094C0); } -WRAPPER bool CStreaming::AddToLoadedVehiclesList(int32 modelId) { EAXJMP(0x40B060); } +//WRAPPER bool CStreaming::IsTxdUsedByRequestedModels(int32 txdId) { EAXJMP(0x4094C0); } +//WRAPPER bool CStreaming::AddToLoadedVehiclesList(int32 modelId) { EAXJMP(0x40B060); } void @@ -101,12 +98,12 @@ CStreaming::Init(void) // init channels - ms_channel[0].state = CHANNELSTATE_0; - ms_channel[1].state = CHANNELSTATE_0; + ms_channel[0].state = CHANNELSTATE_IDLE; + ms_channel[1].state = CHANNELSTATE_IDLE; for(i = 0; i < 4; i++){ - ms_channel[0].modelIds[i] = -1; + ms_channel[0].streamIds[i] = -1; ms_channel[0].offsets[i] = -1; - ms_channel[1].modelIds[i] = -1; + ms_channel[1].streamIds[i] = -1; ms_channel[1].offsets[i] = -1; } @@ -115,8 +112,8 @@ CStreaming::Init(void) for(i = 0; i < MODELINFOSIZE; i++){ CBaseModelInfo *mi = CModelInfo::GetModelInfo(i); if(mi && mi->GetRwObject()){ - ms_aInfoForModel[i + STREAM_OFFSET_MODEL].m_loadState = STREAMSTATE_LOADED; - ms_aInfoForModel[i + STREAM_OFFSET_MODEL].m_flags = STREAMFLAGS_DONT_REMOVE; + ms_aInfoForModel[i].m_loadState = STREAMSTATE_LOADED; + ms_aInfoForModel[i].m_flags = STREAMFLAGS_DONT_REMOVE; if(mi->IsSimple()) ((CSimpleModelInfo*)mi)->m_alpha = 255; } @@ -143,7 +140,7 @@ CStreaming::Init(void) // allocate streaming buffers if(ms_streamingBufferSize & 1) ms_streamingBufferSize++; - ms_pStreamingBuffer[0] = (uint8*)RwMallocAlign(ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE, CDSTREAM_SECTOR_SIZE); + ms_pStreamingBuffer[0] = (int8*)RwMallocAlign(ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE, CDSTREAM_SECTOR_SIZE); ms_streamingBufferSize /= 2; ms_pStreamingBuffer[1] = ms_pStreamingBuffer[0] + ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE; debug("Streaming buffer size is %d sectors", ms_streamingBufferSize); @@ -211,6 +208,9 @@ CStreaming::LoadCdDirectory(void) ms_imageOffsets[i] = -1; ms_imageSize = GetGTA3ImgSize(); + // PS2 uses CFileMgr::GetCdFile on all IMG files to fill the array + + i = CdStreamGetNumImages(); while(i-- >= 1){ strcpy(dirname, CdStreamGetImageName(i)); @@ -245,15 +245,15 @@ CStreaming::LoadCdDirectory(const char *dirname, int n) if(strcmp(dot+1, "DFF") == 0 || strcmp(dot+1, "dff") == 0){ if(CModelInfo::GetModelInfo(direntry.name, &modelId)){ - if(ms_aInfoForModel[modelId + STREAM_OFFSET_MODEL].GetCdPosnAndSize(posn, size)){ + if(ms_aInfoForModel[modelId].GetCdPosnAndSize(posn, size)){ debug("%s appears more than once in %s\n", direntry.name, dirname); lastID = -1; }else{ direntry.offset |= imgSelector; - ms_aInfoForModel[modelId + STREAM_OFFSET_MODEL].SetCdPosnAndSize(direntry.offset, direntry.size); + ms_aInfoForModel[modelId].SetCdPosnAndSize(direntry.offset, direntry.size); if(lastID != -1) - ms_aInfoForModel[lastID].m_nextID = modelId + STREAM_OFFSET_MODEL; - lastID = modelId + STREAM_OFFSET_MODEL; + ms_aInfoForModel[lastID].m_nextID = modelId; + lastID = modelId; } }else{ // BUG: doesn't remember which cdimage this was in @@ -300,15 +300,14 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) if(streamId < STREAM_OFFSET_TXD){ // Model - mi = CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL); + mi = CModelInfo::GetModelInfo(streamId); // Txd has to be loaded if(CTxdStore::GetSlot(mi->GetTxdSlot())->texDict == nil){ debug("failed to load %s because TXD %s is not in memory\n", mi->GetName(), CTxdStore::GetTxdName(mi->GetTxdSlot())); RemoveModel(streamId); - RemoveModel(mi->GetTxdSlot() + STREAM_OFFSET_TXD); - // re-request - RequestModel(streamId, ms_aInfoForModel[streamId].m_flags); + RemoveTxd(mi->GetTxdSlot()); + ReRequestModel(streamId); RwStreamClose(stream, &mem); return false; } @@ -318,15 +317,15 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) CTxdStore::SetCurrentTxd(mi->GetTxdSlot()); if(mi->IsSimple()){ - success = CFileLoader::LoadAtomicFile(stream, streamId - STREAM_OFFSET_MODEL); + success = CFileLoader::LoadAtomicFile(stream, streamId); }else if(mi->m_type == MITYPE_VEHICLE){ // load vehicles in two parts - CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL)->AddRef(); - success = CFileLoader::StartLoadClumpFile(stream, streamId - STREAM_OFFSET_MODEL); + CModelInfo::GetModelInfo(streamId)->AddRef(); + success = CFileLoader::StartLoadClumpFile(stream, streamId); if(success) ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_STARTED; }else{ - success = CFileLoader::LoadClumpFile(stream, streamId - STREAM_OFFSET_MODEL); + success = CFileLoader::LoadClumpFile(stream, streamId); } UpdateMemoryUsed(); @@ -335,10 +334,9 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) CTxdStore::RemoveRefWithoutDelete(mi->GetTxdSlot()); if(!success){ - debug("Failed to load %s\n", CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL)->GetName()); + debug("Failed to load %s\n", CModelInfo::GetModelInfo(streamId)->GetName()); RemoveModel(streamId); - // re-request - RequestModel(streamId, ms_aInfoForModel[streamId].m_flags); + ReRequestModel(streamId); RwStreamClose(stream, &mem); return false; } @@ -363,8 +361,7 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) if(!success){ debug("Failed to load %s.txd\n", CTxdStore::GetTxdName(streamId - STREAM_OFFSET_TXD)); RemoveModel(streamId); - // re-request - RequestModel(streamId, ms_aInfoForModel[streamId].m_flags); + ReRequestModel(streamId); RwStreamClose(stream, &mem); return false; } @@ -374,7 +371,7 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) // We shouldn't even end up here unless load was successful if(!success){ - RequestModel(streamId, ms_aInfoForModel[streamId].m_flags); + ReRequestModel(streamId); if(streamId < STREAM_OFFSET_TXD) debug("Failed to load %s.dff\n", mi->GetName()); else @@ -415,7 +412,7 @@ CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId) timeDiff = endTime - startTime; if(timeDiff > 5){ if(streamId < STREAM_OFFSET_TXD) - debug("model %s took %d ms\n", CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL)->GetName(), timeDiff); + debug("model %s took %d ms\n", CModelInfo::GetModelInfo(streamId)->GetName(), timeDiff); else debug("txd %s took %d ms\n", CTxdStore::GetTxdName(streamId - STREAM_OFFSET_TXD), timeDiff); } @@ -437,7 +434,7 @@ CStreaming::FinishLoadingLargeFile(int8 *buf, int32 streamId) if(ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_STARTED){ if(streamId < STREAM_OFFSET_TXD) - CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL)->RemoveRef(); + CModelInfo::GetModelInfo(streamId)->RemoveRef(); return false; } @@ -447,7 +444,7 @@ CStreaming::FinishLoadingLargeFile(int8 *buf, int32 streamId) if(streamId < STREAM_OFFSET_TXD){ // Model - mi = CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL); + mi = CModelInfo::GetModelInfo(streamId); CTxdStore::SetCurrentTxd(mi->GetTxdSlot()); success = CFileLoader::FinishLoadClumpFile(stream, streamId); if(success) @@ -467,8 +464,7 @@ CStreaming::FinishLoadingLargeFile(int8 *buf, int32 streamId) if(!success){ RemoveModel(streamId); - // re-request - RequestModel(streamId, ms_aInfoForModel[streamId].m_flags); + ReRequestModel(streamId); UpdateMemoryUsed(); return false; } @@ -479,7 +475,7 @@ CStreaming::FinishLoadingLargeFile(int8 *buf, int32 streamId) timeDiff = endTime - startTime; if(timeDiff > 5){ if(streamId < STREAM_OFFSET_TXD) - debug("finish model %s took %d ms\n", CModelInfo::GetModelInfo(streamId - STREAM_OFFSET_MODEL)->GetName(), timeDiff); + debug("finish model %s took %d ms\n", CModelInfo::GetModelInfo(streamId)->GetName(), timeDiff); else debug("finish txd %s took %d ms\n", CTxdStore::GetTxdName(streamId - STREAM_OFFSET_TXD), timeDiff); } @@ -507,7 +503,7 @@ CStreaming::RequestModel(int32 id, int32 flags) // Already loaded, only check changed flags if(ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOFADE && id < STREAM_OFFSET_TXD){ - mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(id - STREAM_OFFSET_MODEL); + mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(id); if(mi->IsSimple()) mi->m_alpha = 255; } @@ -523,7 +519,7 @@ CStreaming::RequestModel(int32 id, int32 flags) if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_NOTLOADED){ if(id < STREAM_OFFSET_TXD) - RequestTxd(CModelInfo::GetModelInfo(id - STREAM_OFFSET_MODEL)->GetTxdSlot(), flags); + RequestTxd(CModelInfo::GetModelInfo(id)->GetTxdSlot(), flags); ms_aInfoForModel[id].AddToList(&ms_startRequestedList); ms_numModelsRequested++; if(flags & STREAMFLAGS_PRIORITY) @@ -667,7 +663,7 @@ CStreaming::RemoveModel(int32 id) if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED){ if(id < STREAM_OFFSET_TXD) - CModelInfo::GetModelInfo(id - STREAM_OFFSET_MODEL)->DeleteRwObject(); + CModelInfo::GetModelInfo(id)->DeleteRwObject(); else CTxdStore::RemoveTxd(id - STREAM_OFFSET_TXD); ms_memoryUsed -= ms_aInfoForModel[id].GetCdSize()*CDSTREAM_SECTOR_SIZE; @@ -685,10 +681,10 @@ CStreaming::RemoveModel(int32 id) ms_aInfoForModel[id].RemoveFromList(); }else if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_READING){ for(i = 0; i < 4; i++){ - if(ms_channel[0].modelIds[i] == id - STREAM_OFFSET_MODEL) - ms_channel[0].modelIds[i] = -1; - if(ms_channel[1].modelIds[i] == id - STREAM_OFFSET_MODEL) - ms_channel[1].modelIds[i] = -1; + if(ms_channel[0].streamIds[i] == id) + ms_channel[0].streamIds[i] = -1; + if(ms_channel[1].streamIds[i] == id) + ms_channel[1].streamIds[i] = -1; } } @@ -702,10 +698,646 @@ CStreaming::RemoveModel(int32 id) ms_aInfoForModel[id].m_loadState = STREAMSTATE_NOTLOADED; } +void +CStreaming::RemoveUnusedBuildings(eLevelName level) +{ + if(level != LEVEL_INDUSTRIAL) + RemoveBuildings(LEVEL_INDUSTRIAL); + if(level != LEVEL_COMMERCIAL) + RemoveBuildings(LEVEL_COMMERCIAL); + if(level != LEVEL_SUBURBAN) + RemoveBuildings(LEVEL_SUBURBAN); +} + +void +CStreaming::RemoveBuildings(eLevelName level) +{ + int i, n; + CEntity *e; + CBaseModelInfo *mi; + + n = CPools::GetBuildingPool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetBuildingPool()->GetSlot(i); + if(e && e->m_level == level){ + mi = CModelInfo::GetModelInfo(e->GetModelIndex()); + if(!e->bImBeingRendered){ + e->DeleteRwObject(); + if(mi->m_refCount == 0) + RemoveModel(e->GetModelIndex()); + } + } + } + + n = CPools::GetTreadablePool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetTreadablePool()->GetSlot(i); + if(e && e->m_level == level){ + mi = CModelInfo::GetModelInfo(e->GetModelIndex()); + if(!e->bImBeingRendered){ + e->DeleteRwObject(); + if(mi->m_refCount == 0) + RemoveModel(e->GetModelIndex()); + } + } + } + + n = CPools::GetObjectPool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetObjectPool()->GetSlot(i); + if(e && e->m_level == level){ + mi = CModelInfo::GetModelInfo(e->GetModelIndex()); + if(!e->bImBeingRendered && ((CObject*)e)->ObjectCreatedBy == GAME_OBJECT){ + e->DeleteRwObject(); + if(mi->m_refCount == 0) + RemoveModel(e->GetModelIndex()); + } + } + } + + n = CPools::GetDummyPool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetDummyPool()->GetSlot(i); + if(e && e->m_level == level){ + mi = CModelInfo::GetModelInfo(e->GetModelIndex()); + if(!e->bImBeingRendered){ + e->DeleteRwObject(); + if(mi->m_refCount == 0) + RemoveModel(e->GetModelIndex()); + } + } + } +} + +void +CStreaming::RemoveUnusedBigBuildings(eLevelName level) +{ + if(level != LEVEL_INDUSTRIAL) + RemoveBigBuildings(LEVEL_INDUSTRIAL); + if(level != LEVEL_COMMERCIAL) + RemoveBigBuildings(LEVEL_COMMERCIAL); + if(level != LEVEL_SUBURBAN) + RemoveBigBuildings(LEVEL_SUBURBAN); + RemoveIslandsNotUsed(level); +} + +void +DeleteIsland(CEntity *island) +{ + if(island == nil) + return; + if(island->bImBeingRendered) + debug("Didn't delete island because it was being rendered\n"); + else{ + island->DeleteRwObject(); + CStreaming::RemoveModel(island->GetModelIndex()); + } +} + +void +CStreaming::RemoveIslandsNotUsed(eLevelName level) +{ + switch(level){ + case LEVEL_INDUSTRIAL: + DeleteIsland(pIslandLODindustEntity); + DeleteIsland(pIslandLODcomSubEntity); + DeleteIsland(pIslandLODsubComEntity); + break; + case LEVEL_COMMERCIAL: + DeleteIsland(pIslandLODcomIndEntity); + DeleteIsland(pIslandLODcomSubEntity); + DeleteIsland(pIslandLODsubIndEntity); + break; + case LEVEL_SUBURBAN: + DeleteIsland(pIslandLODsubIndEntity); + DeleteIsland(pIslandLODsubComEntity); + DeleteIsland(pIslandLODcomIndEntity); + break; + default: + DeleteIsland(pIslandLODindustEntity); + DeleteIsland(pIslandLODcomIndEntity); + DeleteIsland(pIslandLODcomSubEntity); + DeleteIsland(pIslandLODsubIndEntity); + DeleteIsland(pIslandLODsubComEntity); + break; + } +} + +void +CStreaming::RemoveBigBuildings(eLevelName level) +{ + int i, n; + CEntity *e; + CBaseModelInfo *mi; + + n = CPools::GetBuildingPool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetBuildingPool()->GetSlot(i); + if(e && e->bIsBIGBuilding && e->m_level == level){ + mi = CModelInfo::GetModelInfo(e->GetModelIndex()); + if(!e->bImBeingRendered){ + e->DeleteRwObject(); + if(mi->m_refCount == 0) + RemoveModel(e->GetModelIndex()); + } + } + } +} + +bool +CStreaming::RemoveLoadedVehicle(void) +{ + int i, id; + + for(i = 0; i < MAXVEHICLESLOADED; i++){ + ms_lastVehicleDeleted++; + if(ms_lastVehicleDeleted == MAXVEHICLESLOADED) + ms_lastVehicleDeleted = 0; + id = ms_vehiclesLoaded[ms_lastVehicleDeleted]; + if(id != -1 && + (ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0 && + CModelInfo::GetModelInfo(id)->m_refCount == 0 && + ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED) + goto found; + } + return false; +found: + RemoveModel(ms_vehiclesLoaded[ms_lastVehicleDeleted]); + ms_numVehiclesLoaded--; + ms_vehiclesLoaded[ms_lastVehicleDeleted] = -1; + return true; +} + +bool +CStreaming::RemoveLeastUsedModel(void) +{ + CStreamingInfo *si; + int streamId; + + for(si = ms_endLoadedList.m_prev; si != &ms_startLoadedList; si = si->m_prev){ + streamId = si - ms_aInfoForModel; + if(streamId < STREAM_OFFSET_TXD){ + if(CTxdStore::GetNumRefs(streamId - STREAM_OFFSET_TXD) == 0 && + !IsTxdUsedByRequestedModels(streamId - STREAM_OFFSET_TXD)){ + RemoveModel(streamId); + return true; + } + }else{ + if(CModelInfo::GetModelInfo(streamId)->m_refCount == 0){ + RemoveModel(streamId); + return true; + } + } + } + return ms_numVehiclesLoaded > 7 && RemoveLoadedVehicle(); +} + +void +CStreaming::RemoveAllUnusedModels(void) +{ + int i; + + for(i = 0; i < MAXVEHICLESLOADED; i++) + RemoveLoadedVehicle(); + + for(i = NUM_DEFAULT_MODELS; i < MODELINFOSIZE; i++){ + if(ms_aInfoForModel[i].m_loadState == STREAMSTATE_LOADED && + ms_aInfoForModel[i].m_flags & STREAMFLAGS_DONT_REMOVE && + CModelInfo::GetModelInfo(i)->m_refCount == 0){ + RemoveModel(i); + ms_aInfoForModel[i].m_loadState = STREAMSTATE_NOTLOADED; + } + } +} + +bool +CStreaming::RemoveReferencedTxds(int32 mem) +{ + CStreamingInfo *si; + int streamId; + + for(si = ms_endLoadedList.m_prev; si != &ms_startLoadedList; si = si->m_prev){ + streamId = si - ms_aInfoForModel; + if(streamId >= STREAM_OFFSET_TXD && + CTxdStore::GetNumRefs(streamId-STREAM_OFFSET_TXD) == 0){ + RemoveModel(streamId); + if(ms_memoryUsed < mem) + return true; + } + } + return false; +} + +// TODO: RemoveCurrentZonesModels + +void +CStreaming::RemoveUnusedModelsInLoadedList(void) +{ + // empty +} + +bool +CStreaming::IsTxdUsedByRequestedModels(int32 txdId) +{ + CStreamingInfo *si; + int streamId; + int i; + + for(si = ms_endRequestedList.m_prev; si != &ms_startRequestedList; si = si->m_prev){ + streamId = si - ms_aInfoForModel; + if(streamId < STREAM_OFFSET_TXD && + CModelInfo::GetModelInfo(streamId)->GetTxdSlot() == txdId) + return true; + } + + for(i = 0; i < 4; i++){ + streamId = ms_channel[0].streamIds[i]; + if(streamId != -1 && streamId < STREAM_OFFSET_TXD && + CModelInfo::GetModelInfo(streamId)->GetTxdSlot() == txdId) + return true; + streamId = ms_channel[1].streamIds[i]; + if(streamId != -1 && streamId < STREAM_OFFSET_TXD && + CModelInfo::GetModelInfo(streamId)->GetTxdSlot() == txdId) + return true; + } + + return false; +} + +int32 +CStreaming::GetAvailableVehicleSlot(void) +{ + int i; + for(i = 0; i < MAXVEHICLESLOADED; i++) + if(ms_vehiclesLoaded[i] == -1) + return i; + return -1; +} + +bool +CStreaming::AddToLoadedVehiclesList(int32 modelId) +{ + int i; + int id; + + if(ms_numVehiclesLoaded < desiredNumVehiclesLoaded){ + // still room for vehicles + for(i = 0; i < MAXVEHICLESLOADED; i++){ + if(ms_vehiclesLoaded[ms_lastVehicleDeleted] == -1) + break; + ms_lastVehicleDeleted++; + if(ms_lastVehicleDeleted == MAXVEHICLESLOADED) + ms_lastVehicleDeleted = 0; + } + assert(ms_vehiclesLoaded[ms_lastVehicleDeleted] == -1); + ms_numVehiclesLoaded++; + }else{ + // find vehicle we can remove + for(i = 0; i < MAXVEHICLESLOADED; i++){ + id = ms_vehiclesLoaded[ms_lastVehicleDeleted]; + if(id != -1 && + (ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0 && + CModelInfo::GetModelInfo(id)->m_refCount == 0) + goto found; + ms_lastVehicleDeleted++; + if(ms_lastVehicleDeleted == MAXVEHICLESLOADED) + ms_lastVehicleDeleted = 0; + } + id = -1; +found: + if(id == -1){ + // didn't find anything, try a free slot + id = GetAvailableVehicleSlot(); + if(id == -1) + return false; // still no luck + ms_lastVehicleDeleted = id; + // this is more that we wanted actually + ms_numVehiclesLoaded++; + }else + RemoveModel(id); + } + + ms_vehiclesLoaded[ms_lastVehicleDeleted++] = modelId; + if(ms_lastVehicleDeleted == MAXVEHICLESLOADED) + ms_lastVehicleDeleted = 0; + return true; +} + +bool +CStreaming::IsObjectInCdImage(int32 id) +{ + uint32 posn, size; + return ms_aInfoForModel[id].GetCdPosnAndSize(posn, size); +} + +void +CStreaming::HaveAllBigBuildingsLoaded(eLevelName level) +{ + int i, n; + CEntity *e; + + if(ms_hasLoadedLODs) + return; + + if(level == LEVEL_INDUSTRIAL){ + if(ms_aInfoForModel[islandLODcomInd].m_loadState != STREAMSTATE_LOADED || + ms_aInfoForModel[islandLODsubInd].m_loadState != STREAMSTATE_LOADED) + return; + }else if(level == LEVEL_COMMERCIAL){ + if(ms_aInfoForModel[islandLODindust].m_loadState != STREAMSTATE_LOADED || + ms_aInfoForModel[islandLODsubCom].m_loadState != STREAMSTATE_LOADED) + return; + }else if(level == LEVEL_SUBURBAN){ + if(ms_aInfoForModel[islandLODindust].m_loadState != STREAMSTATE_LOADED || + ms_aInfoForModel[islandLODcomSub].m_loadState != STREAMSTATE_LOADED) + return; + } + + n = CPools::GetBuildingPool()->GetSize(); + for(i = 0; i < n; i++){ + e = CPools::GetBuildingPool()->GetSlot(i); + if(e && e->bIsBIGBuilding && e->m_level == level && + ms_aInfoForModel[e->GetModelIndex()].m_loadState != STREAMSTATE_LOADED) + return; + } + + RemoveUnusedBigBuildings(level); + ms_hasLoadedLODs = true; +} + +void +CStreaming::SetModelIsDeletable(int32 id) +{ + ms_aInfoForModel[id].m_flags &= ~STREAMFLAGS_DONT_REMOVE; + if(id >= STREAM_OFFSET_TXD || + CModelInfo::GetModelInfo(id)->m_type == MITYPE_VEHICLE && ms_aInfoForModel[id].m_flags & STREAMFLAGS_SCRIPTOWNED){ + if(ms_aInfoForModel[id].m_loadState != STREAMSTATE_LOADED) + RemoveModel(id); + else if(ms_aInfoForModel[id].m_next == nil) + ms_aInfoForModel[id].AddToList(&ms_startLoadedList); + } +} + +void +CStreaming::SetModelTxdIsDeletable(int32 id) +{ + SetModelIsDeletable(CModelInfo::GetModelInfo(id)->GetTxdSlot() + STREAM_OFFSET_TXD); +} + +void +CStreaming::SetMissionDoesntRequireModel(int32 id) +{ + ms_aInfoForModel[id].m_flags &= ~STREAMFLAGS_SCRIPTOWNED; + if(id >= STREAM_OFFSET_TXD || + CModelInfo::GetModelInfo(id)->m_type == MITYPE_VEHICLE && ms_aInfoForModel[id].m_flags & STREAMFLAGS_DONT_REMOVE){ + if(ms_aInfoForModel[id].m_loadState != STREAMSTATE_LOADED) + RemoveModel(id); + else if(ms_aInfoForModel[id].m_next == nil) + ms_aInfoForModel[id].AddToList(&ms_startLoadedList); + } +} + +void +CStreaming::LoadInitialPeds(void) +{ + RequestModel(MI_COP, STREAMFLAGS_DONT_REMOVE); + RequestModel(MI_MALE01, STREAMFLAGS_DONT_REMOVE); + RequestModel(MI_TAXI_D, STREAMFLAGS_DONT_REMOVE); +} + +void +CStreaming::LoadInitialVehicles(void) +{ + int id; + + ms_numVehiclesLoaded = 0; + ms_lastVehicleDeleted = 0; + + if(CModelInfo::GetModelInfo("taxi", &id)) + RequestModel(id, STREAMFLAGS_DONT_REMOVE); + if(CModelInfo::GetModelInfo("police", &id)) + RequestModel(id, STREAMFLAGS_DONT_REMOVE); +} + + + +bool +CStreaming::ProcessLoadingChannel(int32 ch) +{ + int status; + int i, id, cdsize; + + status = CdStreamGetStatus(ch); + if(status != STREAM_NONE){ + // busy + if(status != STREAM_READING && status != STREAM_WAITING){ + ms_channelError = ch; + ms_channel[ch].state = CHANNELSTATE_ERROR; + ms_channel[ch].status = status; + } + return false; + } + + if(ms_channel[ch].state == CHANNELSTATE_STARTED){ + ms_channel[ch].state = CHANNELSTATE_IDLE; + FinishLoadingLargeFile(&ms_pStreamingBuffer[ch][ms_channel[ch].offsets[0]*CDSTREAM_SECTOR_SIZE], + ms_channel[ch].streamIds[0]); + ms_channel[ch].streamIds[0] = -1; + }else{ + ms_channel[ch].state = CHANNELSTATE_IDLE; + for(i = 0; i < 4; i++){ + id = ms_channel[ch].streamIds[i]; + if(id == -1) + continue; + + cdsize = ms_aInfoForModel[id].GetCdSize(); + if(id < STREAM_OFFSET_TXD && + CModelInfo::GetModelInfo(id)->m_type == MITYPE_VEHICLE && + ms_numVehiclesLoaded >= desiredNumVehiclesLoaded && + RemoveLoadedVehicle() && + ((ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0 || GetAvailableVehicleSlot() == -1)){ + // can't load vehicle + RemoveModel(id); + if(ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOT_IN_LIST) + ReRequestModel(id); + else if(CTxdStore::GetNumRefs(CModelInfo::GetModelInfo(id)->GetTxdSlot()) == 0) + RemoveTxd(CModelInfo::GetModelInfo(id)->GetTxdSlot()); + }else{ + MakeSpaceFor(cdsize * CDSTREAM_SECTOR_SIZE); + ConvertBufferToObject(&ms_pStreamingBuffer[ch][ms_channel[ch].offsets[i]*CDSTREAM_SECTOR_SIZE], + id); + if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_STARTED){ + // queue for second part + ms_channel[ch].state = CHANNELSTATE_STARTED; + ms_channel[ch].offsets[0] = ms_channel[ch].offsets[i]; + ms_channel[ch].streamIds[0] = id; + if(i != 0) + ms_channel[ch].streamIds[i] = -1; + }else + ms_channel[ch].streamIds[i] = -1; + } + } + } + + if(ms_bLoadingBigModel && ms_channel[ch].state != CHANNELSTATE_STARTED){ + ms_bLoadingBigModel = false; + // reset channel 1 after loading a big model + for(i = 0; i < 4; i++){ + ms_channel[1].streamIds[i] = -1; + ms_channel[1].offsets[i] = -1; + } + ms_channel[1].state = CHANNELSTATE_IDLE; + } + + return true; +} + +inline bool +TxdAvailable(int32 txdId) +{ + CStreamingInfo *si = &CStreaming::ms_aInfoForModel[txdId + STREAM_OFFSET_TXD]; + return si->m_loadState == STREAMSTATE_LOADED || si->m_loadState == STREAMSTATE_READING; +} + +// Find stream id of next requested file in cdimage +int32 +CStreaming::GetNextFileOnCd(int32 lastPosn, bool priority) +{ + CStreamingInfo *si, *next; + int streamId; + uint32 posn, size; + int streamIdFirst, streamIdNext; + uint32 posnFirst, posnNext; + + streamIdFirst = -1; + streamIdNext = -1; + posnFirst = UINT_MAX; + posnNext = UINT_MAX; + + for(si = ms_startRequestedList.m_next; si != &ms_endRequestedList; si = next){ + next = si->m_next; + streamId = si - ms_aInfoForModel; + + // only priority requests if there are any + if(priority && ms_numPriorityRequests != 0 && + (si->m_flags & STREAMFLAGS_PRIORITY) == 0) + continue; + + // request Txd if necessary + if(streamId < STREAM_OFFSET_TXD && + !TxdAvailable(CModelInfo::GetModelInfo(streamId)->GetTxdSlot())){ + ReRequestTxd(CModelInfo::GetModelInfo(streamId)->GetTxdSlot()); + }else if(ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)){ + if(posn < posnFirst){ + // find first requested file in image + streamIdFirst = streamId; + posnFirst = posn; + } + if(posn < posnNext && posn >= (uint32)lastPosn){ + // find first requested file after last read position + streamIdNext = streamId; + posnNext = posn; + } + }else{ + // empty file + ms_numModelsRequested--; + if(ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_PRIORITY){ + ms_aInfoForModel[streamId].m_flags &= ~STREAMFLAGS_PRIORITY; + ms_numPriorityRequests--; + } + si->RemoveFromList(); + si->m_loadState = STREAMSTATE_LOADED; + } + } + + // wrap around + if(streamIdNext == -1) + streamIdNext = streamIdFirst; + + if(streamIdNext == -1 && ms_numPriorityRequests){ + // try non-priority files + ms_numPriorityRequests = 0; + streamIdNext = GetNextFileOnCd(lastPosn, false); + } + + return streamIdNext; +} + +void +CStreaming::FlushChannels(void) +{ + if(ms_channel[1].state == CHANNELSTATE_STARTED) + ProcessLoadingChannel(1); + + if(ms_channel[0].state == CHANNELSTATE_UNK1){ + CdStreamSync(0); + ProcessLoadingChannel(0); + } + if(ms_channel[0].state == CHANNELSTATE_STARTED) + ProcessLoadingChannel(0); + + if(ms_channel[1].state == CHANNELSTATE_UNK1){ + CdStreamSync(1); + ProcessLoadingChannel(1); + } + if(ms_channel[1].state == CHANNELSTATE_STARTED) + ProcessLoadingChannel(1); +} + +void +CStreaming::FlushRequestList(void) +{ + CStreamingInfo *si, *next; + + for(si = ms_startRequestedList.m_next; si != &ms_endRequestedList; si = next){ + next = si->m_next; + RemoveModel(si - ms_aInfoForModel); + } + FlushChannels(); +} + +// Find starting offset of the cdimage we next want to read +// Not useful at all on PC... +int32 +CStreaming::GetCdImageOffset(int32 lastPosn) +{ + int offset, off; + int i, img; + int dist, mindist; + + img = -1; + mindist = INT_MAX; + offset = ms_imageOffsets[ms_lastImageRead]; + if(lastPosn <= offset || lastPosn > offset + ms_imageSize){ + // last read position is not in last image + for(i = 0; i < NUMCDIMAGES; i++){ + off = ms_imageOffsets[i]; + if(off == -1) continue; + if((uint32)lastPosn > (uint32)off) + // after start of image, get distance from end + // negative if before end! + dist = lastPosn - (off + ms_imageSize); + else + // before image, get offset to start + // this will never be negative + dist = off - lastPosn; + if(dist < mindist){ + img = i; + mindist = dist; + } + } + assert(img >= 0); + offset = ms_imageOffsets[img]; + ms_lastImageRead = img; + } + return offset; +} + void CStreaming::ImGonnaUseStreamingMemory(void) { + // empty } void @@ -717,10 +1349,10 @@ CStreaming::IHaveUsedStreamingMemory(void) void CStreaming::UpdateMemoryUsed(void) { + // empty } - bool CStreamingInfo::GetCdPosnAndSize(uint32 &posn, uint32 &size) { @@ -770,7 +1402,35 @@ STARTPATCHES InjectHook(0x408210, CStreaming::RequestIslands, PATCH_JUMP); InjectHook(0x40A890, CStreaming::RequestSpecialModel, PATCH_JUMP); InjectHook(0x40ADA0, CStreaming::RequestSpecialChar, PATCH_JUMP); + InjectHook(0x408830, CStreaming::RemoveModel, PATCH_JUMP); + InjectHook(0x4083A0, CStreaming::RemoveUnusedBuildings, PATCH_JUMP); + InjectHook(0x4083D0, CStreaming::RemoveBuildings, PATCH_JUMP); + InjectHook(0x408640, CStreaming::RemoveUnusedBigBuildings, PATCH_JUMP); + InjectHook(0x408680, CStreaming::RemoveBigBuildings, PATCH_JUMP); + InjectHook(0x408780, CStreaming::RemoveIslandsNotUsed, PATCH_JUMP); + InjectHook(0x40B180, CStreaming::RemoveLoadedVehicle, PATCH_JUMP); + InjectHook(0x4089B0, CStreaming::RemoveLeastUsedModel, PATCH_JUMP); + InjectHook(0x408940, CStreaming::RemoveAllUnusedModels, PATCH_JUMP); + InjectHook(0x409450, CStreaming::RemoveReferencedTxds, PATCH_JUMP); + + InjectHook(0x40B160, CStreaming::GetAvailableVehicleSlot, PATCH_JUMP); + InjectHook(0x40B060, CStreaming::AddToLoadedVehiclesList, PATCH_JUMP); + InjectHook(0x4094C0, CStreaming::IsTxdUsedByRequestedModels, PATCH_JUMP); + InjectHook(0x407E70, CStreaming::IsObjectInCdImage, PATCH_JUMP); + InjectHook(0x408280, CStreaming::HaveAllBigBuildingsLoaded, PATCH_JUMP); + InjectHook(0x40A790, CStreaming::SetModelIsDeletable, PATCH_JUMP); + InjectHook(0x40A800, CStreaming::SetModelTxdIsDeletable, PATCH_JUMP); + InjectHook(0x40A820, CStreaming::SetMissionDoesntRequireModel, PATCH_JUMP); + + InjectHook(0x40AA00, CStreaming::LoadInitialPeds, PATCH_JUMP); + InjectHook(0x40ADF0, CStreaming::LoadInitialVehicles, PATCH_JUMP); + + InjectHook(0x409BE0, CStreaming::ProcessLoadingChannel, PATCH_JUMP); + InjectHook(0x40A610, CStreaming::FlushChannels, PATCH_JUMP); + InjectHook(0x40A680, CStreaming::FlushRequestList, PATCH_JUMP); + InjectHook(0x409FF0, CStreaming::GetCdImageOffset, PATCH_JUMP); + InjectHook(0x409E50, CStreaming::GetNextFileOnCd, PATCH_JUMP); InjectHook(0x4063E0, &CStreamingInfo::GetCdPosnAndSize, PATCH_JUMP); InjectHook(0x406410, &CStreamingInfo::SetCdPosnAndSize, PATCH_JUMP); |