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authoraap <aap@papnet.eu>2019-07-07 13:09:11 +0200
committeraap <aap@papnet.eu>2019-07-07 13:09:11 +0200
commit53023eb65bdcde43e341c1ecb7cf0c7f8ee524fb (patch)
treefc65a6c40fa719f9d43be9e0e15be79c490135e0 /src/core/Streaming.cpp
parentfinished CPhysical (diff)
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Diffstat (limited to 'src/core/Streaming.cpp')
-rw-r--r--src/core/Streaming.cpp2509
1 files changed, 2509 insertions, 0 deletions
diff --git a/src/core/Streaming.cpp b/src/core/Streaming.cpp
new file mode 100644
index 00000000..f8ab19d4
--- /dev/null
+++ b/src/core/Streaming.cpp
@@ -0,0 +1,2509 @@
+#include "common.h"
+#include "patcher.h"
+#include "Pad.h"
+#include "Hud.h"
+#include "Text.h"
+#include "Clock.h"
+#include "Renderer.h"
+#include "ModelInfo.h"
+#include "TxdStore.h"
+#include "ModelIndices.h"
+#include "Pools.h"
+#include "Directory.h"
+#include "RwHelper.h"
+#include "World.h"
+#include "Entity.h"
+#include "FileMgr.h"
+#include "FileLoader.h"
+#include "Zones.h"
+#include "ZoneCull.h"
+#include "Radar.h"
+#include "Camera.h"
+#include "Record.h"
+#include "CarCtrl.h"
+#include "Population.h"
+#include "Gangs.h"
+#include "CutsceneMgr.h"
+#include "CdStream.h"
+#include "Streaming.h"
+
+bool &CStreaming::ms_disableStreaming = *(bool*)0x95CD6E;
+bool &CStreaming::ms_bLoadingBigModel = *(bool*)0x95CDB0;
+int32 &CStreaming::ms_numModelsRequested = *(int32*)0x8E2C10;
+CStreamingInfo *CStreaming::ms_aInfoForModel = (CStreamingInfo*)0x6C7088;
+CStreamingInfo &CStreaming::ms_startLoadedList = *(CStreamingInfo*)0x942F60;
+CStreamingInfo &CStreaming::ms_endLoadedList = *(CStreamingInfo*)0x8F1AC0;
+CStreamingInfo &CStreaming::ms_startRequestedList = *(CStreamingInfo*)0x8F1B3C;
+CStreamingInfo &CStreaming::ms_endRequestedList = *(CStreamingInfo*)0x940738;
+int32 &CStreaming::ms_oldSectorX = *(int32*)0x8F2C84;
+int32 &CStreaming::ms_oldSectorY = *(int32*)0x8F2C88;
+int32 &CStreaming::ms_streamingBufferSize = *(int32*)0x942FB0;
+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;
+int32 &CStreaming::ms_currentPedGrp = *(int32*)0x8F2BBC;
+int32 CStreaming::ms_currentPedLoading;
+int32 CStreaming::ms_lastCullZone;
+uint16 &CStreaming::ms_loadedGangs = *(uint16*)0x95CC60;
+uint16 &CStreaming::ms_loadedGangCars = *(uint16*)0x95CC2E;
+int32 *CStreaming::ms_imageOffsets = (int32*)0x6E60A0;
+int32 &CStreaming::ms_lastImageRead = *(int32*)0x880E2C;
+int32 &CStreaming::ms_imageSize = *(int32*)0x8F1A34;
+uint32 &CStreaming::ms_memoryAvailable = *(uint32*)0x880F8C;
+
+int32 &desiredNumVehiclesLoaded = *(int32*)0x5EC194;
+
+CEntity *&pIslandLODindustEntity = *(CEntity**)0x6212DC;
+CEntity *&pIslandLODcomIndEntity = *(CEntity**)0x6212E0;
+CEntity *&pIslandLODcomSubEntity = *(CEntity**)0x6212E4;
+CEntity *&pIslandLODsubIndEntity = *(CEntity**)0x6212E8;
+CEntity *&pIslandLODsubComEntity = *(CEntity**)0x6212EC;
+int32 &islandLODindust = *(int32*)0x6212C8;
+int32 &islandLODcomInd = *(int32*)0x6212CC;
+int32 &islandLODcomSub = *(int32*)0x6212D0;
+int32 &islandLODsubInd = *(int32*)0x6212D4;
+int32 &islandLODsubCom = *(int32*)0x6212D8;
+
+bool
+CStreamingInfo::GetCdPosnAndSize(uint32 &posn, uint32 &size)
+{
+ if(m_size == 0)
+ return false;
+ posn = m_position;
+ size = m_size;
+ return true;
+}
+
+void
+CStreamingInfo::SetCdPosnAndSize(uint32 posn, uint32 size)
+{
+ m_position = posn;
+ m_size = size;
+}
+
+void
+CStreamingInfo::AddToList(CStreamingInfo *link)
+{
+ // Insert this after link
+ m_next = link->m_next;
+ m_prev = link;
+ link->m_next = this;
+ m_next->m_prev = this;
+}
+
+void
+CStreamingInfo::RemoveFromList(void)
+{
+ m_next->m_prev = m_prev;
+ m_prev->m_next = m_next;
+ m_next = nil;
+ m_prev = nil;
+}
+
+void
+CStreaming::Init(void)
+{
+ int i;
+
+ for(i = 0; i < NUMSTREAMINFO; i++){
+ ms_aInfoForModel[i].m_loadState = STREAMSTATE_NOTLOADED;
+ ms_aInfoForModel[i].m_next = nil;
+ ms_aInfoForModel[i].m_prev = nil;
+ ms_aInfoForModel[i].m_nextID = -1;
+ ms_aInfoForModel[i].m_size = 0;
+ ms_aInfoForModel[i].m_position = 0;
+ }
+
+ ms_channelError = -1;
+
+ // init lists
+
+ ms_startLoadedList.m_next = &ms_endLoadedList;
+ ms_startLoadedList.m_prev = nil;
+ ms_endLoadedList.m_prev = &ms_startLoadedList;
+ ms_endLoadedList.m_next = nil;
+
+ ms_startRequestedList.m_next = &ms_endRequestedList;
+ ms_startRequestedList.m_prev = nil;
+ ms_endRequestedList.m_prev = &ms_startRequestedList;
+ ms_endRequestedList.m_next = nil;
+
+ // init misc
+
+ ms_oldSectorX = 0;
+ ms_oldSectorY = 0;
+ ms_streamingBufferSize = 0;
+ ms_disableStreaming = false;
+ ms_memoryUsed = 0;
+ ms_bLoadingBigModel = false;
+
+ // init channels
+
+ ms_channel[0].state = CHANNELSTATE_IDLE;
+ ms_channel[1].state = CHANNELSTATE_IDLE;
+ for(i = 0; i < 4; i++){
+ ms_channel[0].streamIds[i] = -1;
+ ms_channel[0].offsets[i] = -1;
+ ms_channel[1].streamIds[i] = -1;
+ ms_channel[1].offsets[i] = -1;
+ }
+
+ // init stream info, mark things that are already loaded
+
+ for(i = 0; i < MODELINFOSIZE; i++){
+ CBaseModelInfo *mi = CModelInfo::GetModelInfo(i);
+ if(mi && mi->GetRwObject()){
+ ms_aInfoForModel[i].m_loadState = STREAMSTATE_LOADED;
+ ms_aInfoForModel[i].m_flags = STREAMFLAGS_DONT_REMOVE;
+ if(mi->IsSimple())
+ ((CSimpleModelInfo*)mi)->m_alpha = 255;
+ }
+ }
+
+ for(i = 0; i < TXDSTORESIZE; i++)
+ if(CTxdStore::GetSlot(i) && CTxdStore::GetSlot(i)->texDict)
+ ms_aInfoForModel[i + STREAM_OFFSET_TXD].m_loadState = STREAMSTATE_LOADED;
+
+
+ for(i = 0; i < MAXVEHICLESLOADED; i++)
+ ms_vehiclesLoaded[i] = -1;
+ ms_numVehiclesLoaded = 0;
+
+ ms_pExtraObjectsDir = new CDirectory(EXTRADIRSIZE);
+ ms_numPriorityRequests = 0;
+ ms_hasLoadedLODs = true;
+ ms_currentPedGrp = -1;
+ ms_lastCullZone = -1; // unused because RemoveModelsNotVisibleFromCullzone is gone
+ ms_loadedGangs = 0;
+ ms_currentPedLoading = 8; // unused, whatever it is
+
+ LoadCdDirectory();
+
+ // allocate streaming buffers
+ if(ms_streamingBufferSize & 1) ms_streamingBufferSize++;
+ 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);
+
+ // PC only, figure out how much memory we got
+#ifdef GTA_PC
+#define MB (1024*1024)
+ extern DWORD &_dwMemAvailPhys;
+ ms_memoryAvailable = (_dwMemAvailPhys - 10*MB)/2;
+ if(ms_memoryAvailable < 50*MB)
+ ms_memoryAvailable = 50*MB;
+ desiredNumVehiclesLoaded = (ms_memoryAvailable/MB - 50)/3 + 12;
+ if(desiredNumVehiclesLoaded > MAXVEHICLESLOADED)
+ desiredNumVehiclesLoaded = MAXVEHICLESLOADED;
+ debug("Memory allocated to Streaming is %dMB", ms_memoryAvailable/MB);
+#undef MB
+#endif
+
+ // find island LODs
+
+ pIslandLODindustEntity = nil;
+ pIslandLODcomIndEntity = nil;
+ pIslandLODcomSubEntity = nil;
+ pIslandLODsubIndEntity = nil;
+ pIslandLODsubComEntity = nil;
+ islandLODindust = -1;
+ islandLODcomInd = -1;
+ islandLODcomSub = -1;
+ islandLODsubInd = -1;
+ islandLODsubCom = -1;
+ CModelInfo::GetModelInfo("IslandLODInd", &islandLODindust);
+ CModelInfo::GetModelInfo("IslandLODcomIND", &islandLODcomInd);
+ CModelInfo::GetModelInfo("IslandLODcomSUB", &islandLODcomSub);
+ CModelInfo::GetModelInfo("IslandLODsubIND", &islandLODsubInd);
+ CModelInfo::GetModelInfo("IslandLODsubCOM", &islandLODsubCom);
+
+ for(i = 0; i < CPools::GetBuildingPool()->GetSize(); i++){
+ CBuilding *building = CPools::GetBuildingPool()->GetSlot(i);
+ if(building == nil)
+ continue;
+ if(building->GetModelIndex() == islandLODindust) pIslandLODindustEntity = building;
+ if(building->GetModelIndex() == islandLODcomInd) pIslandLODcomIndEntity = building;
+ if(building->GetModelIndex() == islandLODcomSub) pIslandLODcomSubEntity = building;
+ if(building->GetModelIndex() == islandLODsubInd) pIslandLODsubIndEntity = building;
+ if(building->GetModelIndex() == islandLODsubCom) pIslandLODsubComEntity = building;
+ }
+}
+
+void
+CStreaming::Shutdown(void)
+{
+ RwFreeAlign(ms_pStreamingBuffer[0]);
+ ms_streamingBufferSize = 0;
+ if(ms_pExtraObjectsDir)
+ delete ms_pExtraObjectsDir;
+}
+
+void
+CStreaming::Update(void)
+{
+ CEntity *train;
+ CStreamingInfo *si, *prev;
+ bool requestedSubway = false;
+
+ UpdateMemoryUsed();
+
+ if(ms_channelError != -1){
+ RetryLoadFile(ms_channelError);
+ return;
+ }
+
+ if(CTimer::GetIsPaused())
+ return;
+
+ train = FindPlayerTrain();
+ if(train && train->GetPosition().z < 0.0f){
+ RequestSubway();
+ requestedSubway = true;
+ }else if(!ms_disableStreaming)
+ AddModelsToRequestList(TheCamera.GetPosition());
+
+ DeleteFarAwayRwObjects(TheCamera.GetPosition());
+
+ if(!ms_disableStreaming &&
+ !CCutsceneMgr::IsRunning() &&
+ !requestedSubway &&
+ !CGame::playingIntro &&
+ ms_numModelsRequested < 5 &&
+ !CRenderer::m_loadingPriority){
+ StreamVehiclesAndPeds();
+ StreamZoneModels(FindPlayerCoors());
+ }
+
+ LoadRequestedModels();
+
+ for(si = ms_endRequestedList.m_prev; si != &ms_startRequestedList; si = prev){
+ prev = si->m_prev;
+ if((si->m_flags & (STREAMFLAGS_KEEP_IN_MEMORY|STREAMFLAGS_PRIORITY)) == 0)
+ RemoveModel(si - ms_aInfoForModel);
+ }
+}
+
+void
+CStreaming::LoadCdDirectory(void)
+{
+ char dirname[132];
+ int i;
+
+#ifdef GTA_PC
+ ms_imageOffsets[0] = 0;
+ ms_imageOffsets[1] = -1;
+ ms_imageOffsets[2] = -1;
+ ms_imageOffsets[3] = -1;
+ ms_imageOffsets[4] = -1;
+ ms_imageOffsets[5] = -1;
+ ms_imageOffsets[6] = -1;
+ ms_imageOffsets[7] = -1;
+ ms_imageOffsets[8] = -1;
+ ms_imageOffsets[9] = -1;
+ ms_imageOffsets[10] = -1;
+ ms_imageOffsets[11] = -1;
+ ms_imageSize = GetGTA3ImgSize();
+ // PS2 uses CFileMgr::GetCdFile on all IMG files to fill the array
+#endif
+
+ i = CdStreamGetNumImages();
+ while(i-- >= 1){
+ strcpy(dirname, CdStreamGetImageName(i));
+ strncpy(strrchr(dirname, '.') + 1, "DIR", 3);
+ LoadCdDirectory(dirname, i);
+ }
+
+ ms_lastImageRead = 0;
+ ms_imageSize /= CDSTREAM_SECTOR_SIZE;
+}
+
+void
+CStreaming::LoadCdDirectory(const char *dirname, int n)
+{
+ int fd, lastID, imgSelector;
+ int modelId, txdId;
+ uint32 posn, size;
+ CDirectory::DirectoryInfo direntry;
+ char *dot;
+
+ lastID = -1;
+ fd = CFileMgr::OpenFile(dirname, "rb");
+ assert(fd > 0);
+
+ imgSelector = n<<24;
+ assert(sizeof(direntry) == 32);
+ while(CFileMgr::Read(fd, (char*)&direntry, sizeof(direntry))){
+ dot = strchr(direntry.name, '.');
+ if(dot) *dot = '\0';
+ if(direntry.size > (uint32)ms_streamingBufferSize)
+ ms_streamingBufferSize = direntry.size;
+
+ if(strcmp(dot+1, "DFF") == 0 || strcmp(dot+1, "dff") == 0){
+ if(CModelInfo::GetModelInfo(direntry.name, &modelId)){
+ 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].SetCdPosnAndSize(direntry.offset, direntry.size);
+ if(lastID != -1)
+ ms_aInfoForModel[lastID].m_nextID = modelId;
+ lastID = modelId;
+ }
+ }else{
+ // BUG: doesn't remember which cdimage this was in
+ ms_pExtraObjectsDir->AddItem(direntry);
+ lastID = -1;
+ }
+ }else if(strcmp(dot+1, "TXD") == 0 || strcmp(dot+1, "txd") == 0){
+ txdId = CTxdStore::FindTxdSlot(direntry.name);
+ if(txdId == -1)
+ txdId = CTxdStore::AddTxdSlot(direntry.name);
+ if(ms_aInfoForModel[txdId + STREAM_OFFSET_TXD].GetCdPosnAndSize(posn, size)){
+ debug("%s appears more than once in %s\n", direntry.name, dirname);
+ lastID = -1;
+ }else{
+ direntry.offset |= imgSelector;
+ ms_aInfoForModel[txdId + STREAM_OFFSET_TXD].SetCdPosnAndSize(direntry.offset, direntry.size);
+ if(lastID != -1)
+ ms_aInfoForModel[lastID].m_nextID = txdId + STREAM_OFFSET_TXD;
+ lastID = txdId + STREAM_OFFSET_TXD;
+ }
+ }else
+ lastID = -1;
+ }
+
+ CFileMgr::CloseFile(fd);
+}
+
+bool
+CStreaming::ConvertBufferToObject(int8 *buf, int32 streamId)
+{
+ RwMemory mem;
+ RwStream *stream;
+ int cdsize;
+ uint32 startTime, endTime, timeDiff;
+ CBaseModelInfo *mi;
+ bool success;
+
+ startTime = CTimer::GetCurrentTimeInCycles() / CTimer::GetCyclesPerMillisecond();
+
+ cdsize = ms_aInfoForModel[streamId].GetCdSize();
+ mem.start = (uint8*)buf;
+ mem.length = cdsize * CDSTREAM_SECTOR_SIZE;
+ stream = RwStreamOpen(rwSTREAMMEMORY, rwSTREAMREAD, &mem);
+
+ if(streamId < STREAM_OFFSET_TXD){
+ // 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);
+ RemoveTxd(mi->GetTxdSlot());
+ ReRequestModel(streamId);
+ RwStreamClose(stream, &mem);
+ return false;
+ }
+
+ // Set Txd to use
+ CTxdStore::AddRef(mi->GetTxdSlot());
+ CTxdStore::SetCurrentTxd(mi->GetTxdSlot());
+
+ if(mi->IsSimple()){
+ success = CFileLoader::LoadAtomicFile(stream, streamId);
+ }else if(mi->m_type == MITYPE_VEHICLE){
+ // load vehicles in two parts
+ CModelInfo::GetModelInfo(streamId)->AddRef();
+ success = CFileLoader::StartLoadClumpFile(stream, streamId);
+ if(success)
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_STARTED;
+ }else{
+ success = CFileLoader::LoadClumpFile(stream, streamId);
+ }
+ UpdateMemoryUsed();
+
+ // Txd no longer needed unless we only read part of the file
+ if(ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_STARTED)
+ CTxdStore::RemoveRefWithoutDelete(mi->GetTxdSlot());
+
+ if(!success){
+ debug("Failed to load %s\n", CModelInfo::GetModelInfo(streamId)->GetName());
+ RemoveModel(streamId);
+ ReRequestModel(streamId);
+ RwStreamClose(stream, &mem);
+ return false;
+ }
+ }else{
+ // Txd
+ assert(streamId < NUMSTREAMINFO);
+ if((ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_KEEP_IN_MEMORY) == 0 &&
+ !IsTxdUsedByRequestedModels(streamId - STREAM_OFFSET_TXD)){
+ RemoveModel(streamId);
+ RwStreamClose(stream, &mem);
+ return false;
+ }
+
+ if(ms_bLoadingBigModel || cdsize > 200){
+ success = CTxdStore::StartLoadTxd(streamId - STREAM_OFFSET_TXD, stream);
+ if(success)
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_STARTED;
+ }else
+ success = CTxdStore::LoadTxd(streamId - STREAM_OFFSET_TXD, stream);
+ UpdateMemoryUsed();
+
+ if(!success){
+ debug("Failed to load %s.txd\n", CTxdStore::GetTxdName(streamId - STREAM_OFFSET_TXD));
+ RemoveModel(streamId);
+ ReRequestModel(streamId);
+ RwStreamClose(stream, &mem);
+ return false;
+ }
+ }
+
+ RwStreamClose(stream, &mem);
+
+ // We shouldn't even end up here unless load was successful
+ if(!success){
+ ReRequestModel(streamId);
+ if(streamId < STREAM_OFFSET_TXD)
+ debug("Failed to load %s.dff\n", mi->GetName());
+ else
+ debug("Failed to load %s.txd\n", CTxdStore::GetTxdName(streamId - STREAM_OFFSET_TXD));
+ return false;
+ }
+
+ if(streamId < STREAM_OFFSET_TXD){
+ // Model
+ // Vehicles and Peds not in loaded list
+ if(mi->m_type != MITYPE_VEHICLE && mi->m_type != MITYPE_PED){
+ CSimpleModelInfo *smi = (CSimpleModelInfo*)mi;
+
+ // Set fading for some objects
+ if(mi->IsSimple() && !smi->m_isBigBuilding){
+ if(ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_NOFADE)
+ smi->m_alpha = 255;
+ else
+ smi->m_alpha = 0;
+ }
+
+ if((ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0)
+ ms_aInfoForModel[streamId].AddToList(&ms_startLoadedList);
+ }
+ }else{
+ // Txd
+ if((ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0)
+ ms_aInfoForModel[streamId].AddToList(&ms_startLoadedList);
+ }
+
+ // Mark objects as loaded
+ if(ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_STARTED){
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_LOADED;
+ ms_memoryUsed += ms_aInfoForModel[streamId].GetCdSize() * CDSTREAM_SECTOR_SIZE;
+ }
+
+ endTime = CTimer::GetCurrentTimeInCycles() / CTimer::GetCyclesPerMillisecond();
+ timeDiff = endTime - startTime;
+ if(timeDiff > 5){
+ if(streamId < STREAM_OFFSET_TXD)
+ 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);
+ }
+
+ return true;
+}
+
+
+bool
+CStreaming::FinishLoadingLargeFile(int8 *buf, int32 streamId)
+{
+ RwMemory mem;
+ RwStream *stream;
+ uint32 startTime, endTime, timeDiff;
+ CBaseModelInfo *mi;
+ bool success;
+
+ startTime = CTimer::GetCurrentTimeInCycles() / CTimer::GetCyclesPerMillisecond();
+
+ if(ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_STARTED){
+ if(streamId < STREAM_OFFSET_TXD)
+ CModelInfo::GetModelInfo(streamId)->RemoveRef();
+ return false;
+ }
+
+ mem.start = (uint8*)buf;
+ mem.length = ms_aInfoForModel[streamId].GetCdSize() * CDSTREAM_SECTOR_SIZE;
+ stream = RwStreamOpen(rwSTREAMMEMORY, rwSTREAMREAD, &mem);
+
+ if(streamId < STREAM_OFFSET_TXD){
+ // Model
+ mi = CModelInfo::GetModelInfo(streamId);
+ CTxdStore::SetCurrentTxd(mi->GetTxdSlot());
+ success = CFileLoader::FinishLoadClumpFile(stream, streamId);
+ if(success)
+ success = AddToLoadedVehiclesList(streamId);
+ mi->RemoveRef();
+ CTxdStore::RemoveRefWithoutDelete(mi->GetTxdSlot());
+ }else{
+ // Txd
+ CTxdStore::AddRef(streamId - STREAM_OFFSET_TXD);
+ success = CTxdStore::FinishLoadTxd(streamId - STREAM_OFFSET_TXD, stream);
+ CTxdStore::RemoveRefWithoutDelete(streamId - STREAM_OFFSET_TXD);
+ }
+
+ RwStreamClose(stream, &mem);
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_LOADED;
+ ms_memoryUsed += ms_aInfoForModel[streamId].GetCdSize() * CDSTREAM_SECTOR_SIZE;
+
+ if(!success){
+ RemoveModel(streamId);
+ ReRequestModel(streamId);
+ UpdateMemoryUsed();
+ return false;
+ }
+
+ UpdateMemoryUsed();
+
+ endTime = CTimer::GetCurrentTimeInCycles() / CTimer::GetCyclesPerMillisecond();
+ timeDiff = endTime - startTime;
+ if(timeDiff > 5){
+ if(streamId < STREAM_OFFSET_TXD)
+ 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);
+ }
+
+ return true;
+}
+
+void
+CStreaming::RequestModel(int32 id, int32 flags)
+{
+ CSimpleModelInfo *mi;
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_INQUEUE){
+ // updgrade to priority
+ if(flags & STREAMFLAGS_PRIORITY && !ms_aInfoForModel[id].IsPriority()){
+ ms_numPriorityRequests++;
+ ms_aInfoForModel[id].m_flags |= STREAMFLAGS_PRIORITY;
+ }
+ }else if(ms_aInfoForModel[id].m_loadState != STREAMSTATE_NOTLOADED){
+ flags &= ~STREAMFLAGS_PRIORITY;
+ }
+ ms_aInfoForModel[id].m_flags |= flags;
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED){
+ // Already loaded, only check changed flags
+
+ if(ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOFADE && id < STREAM_OFFSET_TXD){
+ mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(id);
+ if(mi->IsSimple())
+ mi->m_alpha = 255;
+ }
+
+ // reinsert into list
+ if(ms_aInfoForModel[id].m_next){
+ ms_aInfoForModel[id].RemoveFromList();
+ if((ms_aInfoForModel[id].m_flags & STREAMFLAGS_NOT_IN_LIST) == 0)
+ ms_aInfoForModel[id].AddToList(&ms_startLoadedList);
+ }
+ }else if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_NOTLOADED ||
+ ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED){ // how can this be true again?
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_NOTLOADED){
+ if(id < STREAM_OFFSET_TXD)
+ RequestTxd(CModelInfo::GetModelInfo(id)->GetTxdSlot(), flags);
+ ms_aInfoForModel[id].AddToList(&ms_startRequestedList);
+ ms_numModelsRequested++;
+ if(flags & STREAMFLAGS_PRIORITY)
+ ms_numPriorityRequests++;
+ }
+
+ ms_aInfoForModel[id].m_loadState = STREAMSTATE_INQUEUE;
+ ms_aInfoForModel[id].m_flags = flags;
+ }
+}
+
+void
+CStreaming::RequestSubway(void)
+{
+ RequestModel(MI_SUBWAY1, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY2, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY3, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY4, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY5, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY6, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY7, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY8, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY9, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY10, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY11, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY12, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY13, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY14, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY15, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY16, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY17, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBWAY18, STREAMFLAGS_NOFADE);
+
+ switch(CGame::currLevel){
+ case LEVEL_INDUSTRIAL:
+ RequestModel(MI_SUBPLATFORM_IND, STREAMFLAGS_NOFADE);
+ break;
+ case LEVEL_COMMERCIAL:
+ if(FindPlayerTrain()->GetPosition().y < -700.0f){
+ RequestModel(MI_SUBPLATFORM_COMS, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBPLATFORM_COMS2, STREAMFLAGS_NOFADE);
+ }else{
+ RequestModel(MI_SUBPLATFORM_COMN, STREAMFLAGS_NOFADE);
+ }
+ break;
+ case LEVEL_SUBURBAN:
+ RequestModel(MI_SUBPLATFORM_SUB, STREAMFLAGS_NOFADE);
+ RequestModel(MI_SUBPLATFORM_SUB2, STREAMFLAGS_NOFADE);
+ break;
+ }
+}
+
+void
+CStreaming::RequestBigBuildings(eLevelName level)
+{
+ int i, n;
+ CBuilding *b;
+
+ n = CPools::GetBuildingPool()->GetSize();
+ for(i = 0; i < n; i++){
+ b = CPools::GetBuildingPool()->GetSlot(i);
+ if(b && b->bIsBIGBuilding && b->m_level == level)
+ RequestModel(b->GetModelIndex(), STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ }
+ RequestIslands(level);
+ ms_hasLoadedLODs = false;
+}
+
+void
+CStreaming::RequestIslands(eLevelName level)
+{
+ switch(level){
+ case LEVEL_INDUSTRIAL:
+ RequestModel(islandLODcomInd, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ RequestModel(islandLODsubInd, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ break;
+ case LEVEL_COMMERCIAL:
+ RequestModel(islandLODindust, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ RequestModel(islandLODsubCom, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ break;
+ case LEVEL_SUBURBAN:
+ RequestModel(islandLODindust, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ RequestModel(islandLODcomSub, STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_PRIORITY);
+ break;
+ }
+}
+
+void
+CStreaming::RequestSpecialModel(int32 modelId, const char *modelName, int32 flags)
+{
+ CBaseModelInfo *mi;
+ int txdId;
+ char oldName[48];
+ uint32 pos, size;
+
+ mi = CModelInfo::GetModelInfo(modelId);
+ if(strcmp(mi->GetName(), modelName) == 0){
+ // Already have the correct name, just request it
+ RequestModel(modelId, flags);
+ return;
+ }
+
+ strcpy(oldName, mi->GetName());
+ mi->SetName(modelName);
+
+ // What exactly is going on here?
+ if(CModelInfo::GetModelInfo(oldName, nil)){
+ txdId = CTxdStore::FindTxdSlot(oldName);
+ if(txdId != -1 && CTxdStore::GetSlot(txdId)->texDict){
+ CTxdStore::AddRef(txdId);
+ RemoveModel(modelId);
+ CTxdStore::RemoveRefWithoutDelete(txdId);
+ }else
+ RemoveModel(modelId);
+ }else
+ RemoveModel(modelId);
+
+ ms_pExtraObjectsDir->FindItem(modelName, pos, size);
+ mi->ClearTexDictionary();
+ if(CTxdStore::FindTxdSlot(modelName) == -1)
+ mi->SetTexDictionary("generic");
+ else
+ mi->SetTexDictionary(modelName);
+ ms_aInfoForModel[modelId].SetCdPosnAndSize(pos, size);
+ RequestModel(modelId, flags);
+}
+
+void
+CStreaming::RequestSpecialChar(int32 charId, const char *modelName, int32 flags)
+{
+ RequestSpecialModel(charId + MI_SPECIAL01, modelName, flags);
+}
+
+bool
+CStreaming::HasSpecialCharLoaded(int32 id)
+{
+ return HasModelLoaded(id + MI_SPECIAL01);
+}
+
+void
+CStreaming::SetMissionDoesntRequireSpecialChar(int32 id)
+{
+ return SetMissionDoesntRequireModel(id + MI_SPECIAL01);
+}
+
+void
+CStreaming::DecrementRef(int32 id)
+{
+ ms_numModelsRequested--;
+ if(ms_aInfoForModel[id].IsPriority()){
+ ms_aInfoForModel[id].m_flags &= ~STREAMFLAGS_PRIORITY;
+ ms_numPriorityRequests--;
+ }
+}
+
+void
+CStreaming::RemoveModel(int32 id)
+{
+ int i;
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_NOTLOADED)
+ return;
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_LOADED){
+ if(id < STREAM_OFFSET_TXD)
+ CModelInfo::GetModelInfo(id)->DeleteRwObject();
+ else
+ CTxdStore::RemoveTxd(id - STREAM_OFFSET_TXD);
+ ms_memoryUsed -= ms_aInfoForModel[id].GetCdSize()*CDSTREAM_SECTOR_SIZE;
+ }
+
+ if(ms_aInfoForModel[id].m_next){
+ // Remove from list, model is neither loaded nor requested
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_INQUEUE)
+ DecrementRef(id);
+ ms_aInfoForModel[id].RemoveFromList();
+ }else if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_READING){
+ for(i = 0; i < 4; i++){
+ 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;
+ }
+ }
+
+ if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_STARTED){
+ if(id < STREAM_OFFSET_TXD)
+ RpClumpGtaCancelStream();
+ else
+ CTxdStore::RemoveTxd(id - STREAM_OFFSET_TXD);
+ }
+
+ 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(CModelInfo::GetModelInfo(streamId)->m_refCount == 0){
+ RemoveModel(streamId);
+ return true;
+ }
+ }else{
+ if(CTxdStore::GetNumRefs(streamId - STREAM_OFFSET_TXD) == 0 &&
+ !IsTxdUsedByRequestedModels(streamId - STREAM_OFFSET_TXD)){
+ 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_startRequestedList.m_next; si != &ms_endRequestedList; si = si->m_next){
+ 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) == 0){
+ 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) == 0){
+ 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);
+}
+
+void
+CStreaming::StreamVehiclesAndPeds(void)
+{
+ int i, model;
+ static int timeBeforeNextLoad = 0;
+ static int modelQualityClass = 0;
+
+ if(CRecordDataForGame::RecordingState == RECORDSTATE_1 ||
+ CRecordDataForGame::RecordingState == RECORDSTATE_2)
+ return;
+
+ if(FindPlayerPed()->m_pWanted->AreSwatRequired()){
+ RequestModel(MI_ENFORCER, STREAMFLAGS_DONT_REMOVE);
+ RequestModel(MI_SWAT, STREAMFLAGS_DONT_REMOVE);
+ }else{
+ SetModelIsDeletable(MI_ENFORCER);
+ if(!HasModelLoaded(MI_ENFORCER))
+ SetModelIsDeletable(MI_SWAT);
+ }
+
+ if(FindPlayerPed()->m_pWanted->AreFbiRequired()){
+ RequestModel(MI_FBICAR, STREAMFLAGS_DONT_REMOVE);
+ RequestModel(MI_FBI, STREAMFLAGS_DONT_REMOVE);
+ }else{
+ SetModelIsDeletable(MI_FBICAR);
+ if(!HasModelLoaded(MI_FBICAR))
+ SetModelIsDeletable(MI_FBI);
+ }
+
+ if(FindPlayerPed()->m_pWanted->AreArmyRequired()){
+ RequestModel(MI_RHINO, STREAMFLAGS_DONT_REMOVE);
+ RequestModel(MI_BARRACKS, STREAMFLAGS_DONT_REMOVE);
+ RequestModel(MI_ARMY, STREAMFLAGS_DONT_REMOVE);
+ }else{
+ SetModelIsDeletable(MI_RHINO);
+ SetModelIsDeletable(MI_BARRACKS);
+ if(!HasModelLoaded(MI_RHINO) && !HasModelLoaded(MI_BARRACKS))
+ SetModelIsDeletable(MI_ARMY);
+ }
+
+ if(FindPlayerPed()->m_pWanted->NumOfHelisRequired() > 0)
+ RequestModel(MI_CHOPPER, STREAMFLAGS_DONT_REMOVE);
+ else
+ SetModelIsDeletable(MI_CHOPPER);
+
+ if(timeBeforeNextLoad >= 0)
+ timeBeforeNextLoad--;
+ else if(ms_numVehiclesLoaded <= desiredNumVehiclesLoaded){
+ for(i = 0; i <= 10; i++){
+ model = CCarCtrl::ChooseCarModel(modelQualityClass);
+ modelQualityClass++;
+ if(modelQualityClass >= NUM_VEHICLE_CLASSES)
+ modelQualityClass = 0;
+
+ // check if we want to load this model
+ if(ms_aInfoForModel[model].m_loadState == STREAMSTATE_NOTLOADED &&
+ ((CVehicleModelInfo*)CModelInfo::GetModelInfo(model))->m_level & (1 << (CGame::currLevel-1)))
+ break;
+ }
+
+ if(i <= 10){
+ RequestModel(model, STREAMFLAGS_DEPENDENCY);
+ timeBeforeNextLoad = 500;
+ }
+ }
+}
+
+void
+CStreaming::StreamZoneModels(const CVector &pos)
+{
+ int i;
+ uint16 gangsToLoad, gangCarsToLoad, bit;
+ CZoneInfo info;
+
+ CTheZones::GetZoneInfoForTimeOfDay(&pos, &info);
+
+ if(info.pedGroup != ms_currentPedGrp){
+
+ // unload pevious group
+ if(ms_currentPedGrp != -1)
+ for(i = 0; i < 8; i++){
+ if(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i] == -1)
+ break;
+ SetModelIsDeletable(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i]);
+ SetModelTxdIsDeletable(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i]);
+ }
+
+ ms_currentPedGrp = info.pedGroup;
+
+ for(i = 0; i < 8; i++){
+ if(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i] == -1)
+ break;
+ RequestModel(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i], STREAMFLAGS_DONT_REMOVE);
+ }
+ }
+ RequestModel(MI_MALE01, STREAMFLAGS_DONT_REMOVE);
+
+ gangsToLoad = 0;
+ gangCarsToLoad = 0;
+ if(info.gangDensity[0] != 0) gangsToLoad |= 1<<0;
+ if(info.gangDensity[1] != 0) gangsToLoad |= 1<<1;
+ if(info.gangDensity[2] != 0) gangsToLoad |= 1<<2;
+ if(info.gangDensity[3] != 0) gangsToLoad |= 1<<3;
+ if(info.gangDensity[4] != 0) gangsToLoad |= 1<<4;
+ if(info.gangDensity[5] != 0) gangsToLoad |= 1<<5;
+ if(info.gangDensity[6] != 0) gangsToLoad |= 1<<6;
+ if(info.gangDensity[7] != 0) gangsToLoad |= 1<<7;
+ if(info.gangDensity[8] != 0) gangsToLoad |= 1<<8;
+ if(info.gangThreshold[0] != info.copDensity) gangCarsToLoad |= 1<<0;
+ if(info.gangThreshold[1] != info.gangThreshold[0]) gangCarsToLoad |= 1<<1;
+ if(info.gangThreshold[2] != info.gangThreshold[1]) gangCarsToLoad |= 1<<2;
+ if(info.gangThreshold[3] != info.gangThreshold[2]) gangCarsToLoad |= 1<<3;
+ if(info.gangThreshold[4] != info.gangThreshold[3]) gangCarsToLoad |= 1<<4;
+ if(info.gangThreshold[5] != info.gangThreshold[4]) gangCarsToLoad |= 1<<5;
+ if(info.gangThreshold[6] != info.gangThreshold[5]) gangCarsToLoad |= 1<<6;
+ if(info.gangThreshold[7] != info.gangThreshold[6]) gangCarsToLoad |= 1<<7;
+ if(info.gangThreshold[8] != info.gangThreshold[7]) gangCarsToLoad |= 1<<8;
+
+ if(gangsToLoad == ms_loadedGangs && gangCarsToLoad == ms_loadedGangCars)
+ return;
+
+ // This makes things simpler than the game does it
+ gangsToLoad |= gangCarsToLoad;
+
+ for(i = 0; i < NUM_GANGS; i++){
+ bit = 1<<i;
+
+ if(gangsToLoad & bit && (ms_loadedGangs & bit) == 0){
+ RequestModel(MI_GANG01 + i*2, STREAMFLAGS_DONT_REMOVE);
+ RequestModel(MI_GANG01 + i*2 + 1, STREAMFLAGS_DONT_REMOVE);
+ ms_loadedGangs |= bit;
+ }else if((gangsToLoad & bit) == 0 && ms_loadedGangs & bit){
+ SetModelIsDeletable(MI_GANG01 + i*2);
+ SetModelIsDeletable(MI_GANG01 + i*2 + 1);
+ SetModelTxdIsDeletable(MI_GANG01 + i*2);
+ SetModelTxdIsDeletable(MI_GANG01 + i*2 + 1);
+ ms_loadedGangs &= ~bit;
+ }
+
+ if(gangCarsToLoad & bit && (ms_loadedGangCars & bit) == 0){
+ RequestModel(CGangs::GetGangInfo(i)->m_nVehicleMI, STREAMFLAGS_DONT_REMOVE);
+ }else if((gangCarsToLoad & bit) == 0 && ms_loadedGangCars & bit){
+ SetModelIsDeletable(CGangs::GetGangInfo(i)->m_nVehicleMI);
+ SetModelTxdIsDeletable(CGangs::GetGangInfo(i)->m_nVehicleMI);
+ }
+ }
+ ms_loadedGangCars = gangCarsToLoad;
+}
+
+void
+CStreaming::RemoveCurrentZonesModels(void)
+{
+ int i;
+
+ if(ms_currentPedGrp != -1)
+ for(i = 0; i < 8; i++){
+ if(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i] == -1)
+ break;
+ if(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i] != MI_MALE01)
+ SetModelIsDeletable(CPopulation::ms_pPedGroups[ms_currentPedGrp].models[i]);
+ }
+
+ for(i = 0; i < NUM_GANGS; i++){
+ SetModelIsDeletable(MI_GANG01 + i*2);
+ SetModelIsDeletable(MI_GANG01 + i*2 + 1);
+ if(CGangs::GetGangInfo(i)->m_nVehicleMI != -1)
+ SetModelIsDeletable(CGangs::GetGangInfo(i)->m_nVehicleMI);
+ }
+
+ ms_currentPedGrp = -1;
+ ms_loadedGangs = 0;
+ ms_loadedGangCars = 0;
+}
+
+
+
+// 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;
+}
+
+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->IsPriority())
+ 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
+ DecrementRef(streamId);
+ si->RemoveFromList();
+ si->m_loadState = STREAMSTATE_LOADED;
+ }
+ }
+
+ // wrap around
+ if(streamIdNext == -1)
+ streamIdNext = streamIdFirst;
+
+ if(streamIdNext == -1 && ms_numPriorityRequests != 0){
+ // try non-priority files
+ ms_numPriorityRequests = 0;
+ streamIdNext = GetNextFileOnCd(lastPosn, false);
+ }
+
+ return streamIdNext;
+}
+
+/*
+ * Streaming buffer size is half of the largest file.
+ * Files larger than the buffer size can only be loaded by channel 0,
+ * which then uses both buffers, while channel 1 is idle.
+ * ms_bLoadingBigModel is set to true to indicate this state.
+ *
+ * TODO: two-part files
+ */
+
+// Make channel read from disc
+void
+CStreaming::RequestModelStream(int32 ch)
+{
+ int lastPosn, imgOffset, streamId;
+ int totalSize;
+ uint32 posn, size, unused;
+ int i;
+ int haveBigFile, havePed;
+
+ lastPosn = CdStreamGetLastPosn();
+ imgOffset = GetCdImageOffset(lastPosn);
+ streamId = GetNextFileOnCd(lastPosn - imgOffset, true);
+
+ if(streamId == -1)
+ return;
+
+ // remove Txds that aren't requested anymore
+ while(streamId >= STREAM_OFFSET_TXD){
+ if(ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_KEEP_IN_MEMORY ||
+ IsTxdUsedByRequestedModels(streamId - STREAM_OFFSET_TXD))
+ break;
+ RemoveModel(streamId);
+ // so try next file
+ ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size);
+ streamId = GetNextFileOnCd(posn + size, true);
+ }
+
+ if(streamId == -1)
+ return;
+
+ ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size);
+ if(size > (uint32)ms_streamingBufferSize){
+ // Can only load big models on channel 0, and 1 has to be idle
+ if(ch == 1 || ms_channel[1].state != CHANNELSTATE_IDLE)
+ return;
+ ms_bLoadingBigModel = true;
+ }
+
+ // Load up to 4 adjacent files
+ haveBigFile = 0;
+ havePed = 0;
+ totalSize = 0;
+ for(i = 0; i < 4; i++){
+ // no more files we can read
+ if(streamId == -1 || ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_INQUEUE)
+ break;
+
+ // also stop at non-priority files
+ ms_aInfoForModel[streamId].GetCdPosnAndSize(unused, size);
+ if(ms_numPriorityRequests != 0 && !ms_aInfoForModel[streamId].IsPriority())
+ break;
+
+ // Can't load certain combinations of files together
+ if(streamId < STREAM_OFFSET_TXD){
+ if(havePed && CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_PED ||
+ haveBigFile && CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_VEHICLE ||
+ !TxdAvailable(CModelInfo::GetModelInfo(streamId)->GetTxdSlot()))
+ break;
+ }else{
+ if(haveBigFile && size > 200)
+ break;
+ }
+
+ // Now add the file
+ ms_channel[ch].streamIds[i] = streamId;
+ ms_channel[ch].offsets[i] = totalSize;
+ totalSize += size;
+
+ // To big for buffer, remove again
+ if(totalSize > ms_streamingBufferSize && i > 0){
+ totalSize -= size;
+ break;
+ }
+ if(streamId < STREAM_OFFSET_TXD){
+ if(CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_PED)
+ havePed = 1;
+ if(CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_VEHICLE)
+ haveBigFile = 1;
+ }else{
+ if(size > 200)
+ haveBigFile = 1;
+ }
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_READING;
+ ms_aInfoForModel[streamId].RemoveFromList();
+ DecrementRef(streamId);
+
+ streamId = ms_aInfoForModel[streamId].m_nextID;
+ }
+
+ // clear remaining slots
+ for(; i < 4; i++)
+ ms_channel[ch].streamIds[i] = -1;
+ // Now read the data
+ assert(!(ms_bLoadingBigModel && ch == 1)); // this would clobber the buffer
+ if(CdStreamRead(ch, ms_pStreamingBuffer[ch], imgOffset+posn, totalSize) == STREAM_NONE)
+ debug("FUCKFUCKFUCK\n");
+ ms_channel[ch].state = CHANNELSTATE_READING;
+ ms_channel[ch].field24 = 0;
+ ms_channel[ch].size = totalSize;
+ ms_channel[ch].position = imgOffset+posn;
+ ms_channel[ch].numTries = 0;
+}
+
+// Load data previously read from disc
+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].state = CHANNELSTATE_IDLE;
+ }
+
+ return true;
+}
+
+void
+CStreaming::RetryLoadFile(int32 ch)
+{
+ char *key;
+
+ CPad::StopPadsShaking();
+
+ if(ms_channel[ch].numTries >= 3){
+ switch(ms_channel[ch].status){
+ case STREAM_ERROR_NOCD: key = "NOCD"; break;
+ case STREAM_ERROR_OPENCD: key = "OPENCD"; break;
+ case STREAM_ERROR_WRONGCD: key = "WRONGCD"; break;
+ default: key = "CDERROR"; break;
+ }
+ CHud::SetMessage(TheText.Get(key));
+ CTimer::SetCodePause(true);
+ }
+
+ switch(ms_channel[ch].state){
+ case CHANNELSTATE_IDLE:
+streamread:
+ CdStreamRead(ch, ms_pStreamingBuffer[ch], ms_channel[ch].position, ms_channel[ch].size);
+ ms_channel[ch].state = CHANNELSTATE_READING;
+ ms_channel[ch].field24 = -600;
+ break;
+ case CHANNELSTATE_READING:
+ if(ProcessLoadingChannel(ch)){
+ ms_channelError = -1;
+ CTimer::SetCodePause(false);
+ }
+ break;
+ case CHANNELSTATE_ERROR:
+ ms_channel[ch].numTries++;
+ if(CdStreamGetStatus(ch) != STREAM_READING && CdStreamGetStatus(ch) != STREAM_WAITING)
+ goto streamread;
+ break;
+ }
+}
+
+void
+CStreaming::LoadRequestedModels(void)
+{
+ static int currentChannel = 0;
+
+ // We can't read with channel 1 while channel 0 is using its buffer
+ if(ms_bLoadingBigModel)
+ currentChannel = 0;
+
+ // We have data, load
+ if(ms_channel[currentChannel].state == CHANNELSTATE_READING ||
+ ms_channel[currentChannel].state == CHANNELSTATE_STARTED)
+ ProcessLoadingChannel(currentChannel);
+
+ if(ms_channelError == -1){
+ // Channel is idle, read more data
+ if(ms_channel[currentChannel].state == CHANNELSTATE_IDLE)
+ RequestModelStream(currentChannel);
+ // Switch channel
+ if(ms_channel[currentChannel].state != CHANNELSTATE_STARTED)
+ currentChannel = 1 - currentChannel;
+ }
+}
+
+void
+CStreaming::LoadAllRequestedModels(bool priority)
+{
+ static bool bInsideLoadAll = false;
+ int imgOffset, streamId, status;
+ int i;
+ uint32 posn, size;
+
+ if(bInsideLoadAll)
+ return;
+
+ FlushChannels();
+ imgOffset = GetCdImageOffset(CdStreamGetLastPosn());
+
+ while(ms_endRequestedList.m_prev != &ms_startRequestedList){
+ streamId = GetNextFileOnCd(0, priority);
+ if(streamId == -1)
+ break;
+
+ ms_aInfoForModel[streamId].RemoveFromList();
+ DecrementRef(streamId);
+
+ if(ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)){
+ do
+ status = CdStreamRead(0, ms_pStreamingBuffer[0], imgOffset+posn, size);
+ while(CdStreamSync(0) || status == STREAM_NONE);
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_READING;
+
+ MakeSpaceFor(size * CDSTREAM_SECTOR_SIZE);
+ ConvertBufferToObject(ms_pStreamingBuffer[0], streamId);
+ if(ms_aInfoForModel[streamId].m_loadState == STREAMSTATE_STARTED)
+ FinishLoadingLargeFile(ms_pStreamingBuffer[0], streamId);
+
+ if(streamId < STREAM_OFFSET_TXD){
+ CSimpleModelInfo *mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(streamId);
+ if(mi->IsSimple())
+ mi->m_alpha = 255;
+ }
+ }else{
+ // empty
+ ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_LOADED;
+ }
+ }
+
+ ms_bLoadingBigModel = false;
+ for(i = 0; i < 4; i++){
+ ms_channel[1].streamIds[i] = -1;
+ ms_channel[1].offsets[i] = -1;
+ }
+ ms_channel[1].state = CHANNELSTATE_IDLE;
+ bInsideLoadAll = false;
+}
+
+void
+CStreaming::FlushChannels(void)
+{
+ if(ms_channel[1].state == CHANNELSTATE_STARTED)
+ ProcessLoadingChannel(1);
+
+ if(ms_channel[0].state == CHANNELSTATE_READING){
+ CdStreamSync(0);
+ ProcessLoadingChannel(0);
+ }
+ if(ms_channel[0].state == CHANNELSTATE_STARTED)
+ ProcessLoadingChannel(0);
+
+ if(ms_channel[1].state == CHANNELSTATE_READING){
+ 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();
+}
+
+
+void
+CStreaming::ImGonnaUseStreamingMemory(void)
+{
+ // empty
+}
+
+void
+CStreaming::IHaveUsedStreamingMemory(void)
+{
+ UpdateMemoryUsed();
+}
+
+void
+CStreaming::UpdateMemoryUsed(void)
+{
+ // empty
+}
+
+#define STREAM_DIST (2*SECTOR_SIZE_X)
+
+void
+CStreaming::AddModelsToRequestList(const CVector &pos)
+{
+ float xmin, xmax, ymin, ymax;
+ int ixmin, ixmax, iymin, iymax;
+ int ix, iy;
+ int dx, dy, d;
+ CSector *sect;
+
+ xmin = pos.x - STREAM_DIST;
+ ymin = pos.y - STREAM_DIST;
+ xmax = pos.x + STREAM_DIST;
+ ymax = pos.y + STREAM_DIST;
+
+ ixmin = CWorld::GetSectorIndexX(xmin);
+ if(ixmin < 0) ixmin = 0;
+ ixmax = CWorld::GetSectorIndexX(xmax);
+ if(ixmax >= NUMSECTORS_X) ixmax = NUMSECTORS_X-1;
+ iymin = CWorld::GetSectorIndexY(ymin);
+ if(iymin < 0) iymin = 0;
+ iymax = CWorld::GetSectorIndexY(ymax);
+ if(iymax >= NUMSECTORS_Y) iymax = NUMSECTORS_Y-1;
+
+ CWorld::AdvanceCurrentScanCode();
+
+ for(iy = iymin; iy < iymax; iy++){
+ dy = iy - CWorld::GetSectorIndexY(pos.y);
+ for(ix = ixmin; ix < ixmax; ix++){
+
+ if(CRenderer::m_loadingPriority && ms_numModelsRequested > 5)
+ return;
+
+ dx = ix - CWorld::GetSectorIndexX(pos.x);
+ d = dx*dx + dy*dy;
+ sect = CWorld::GetSector(ix, iy);
+ if(d <= 1){
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP]);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ }else if(d <= 4*4){
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], pos.x, pos.y, xmin, ymin, xmax, ymax);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], pos.x, pos.y, xmin, ymin, xmax, ymax);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], pos.x, pos.y, xmin, ymin, xmax, ymax);
+ ProcessEntitiesInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], pos.x, pos.y, xmin, ymin, xmax, ymax);
+ }
+ }
+ }
+}
+
+void
+CStreaming::ProcessEntitiesInSectorList(CPtrList &list, float x, float y, float xmin, float ymin, float xmax, float ymax)
+{
+ CPtrNode *node;
+ CEntity *e;
+ float lodDistSq;
+ CVector2D pos;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+
+ if(e->m_scanCode == CWorld::GetCurrentScanCode())
+ continue;
+
+ e->m_scanCode = CWorld::GetCurrentScanCode();
+ if(!e->bStreamingDontDelete && !e->bIsSubway &&
+ (!e->IsObject() || ((CObject*)e)->ObjectCreatedBy != TEMP_OBJECT)){
+ CTimeModelInfo *mi = (CTimeModelInfo*)CModelInfo::GetModelInfo(e->GetModelIndex());
+ if(mi->m_type != MITYPE_TIME || CClock::GetIsTimeInRange(mi->GetTimeOn(), mi->GetTimeOff())){
+ lodDistSq = sq(mi->GetLargestLodDistance());
+ lodDistSq = min(lodDistSq, sq(STREAM_DIST));
+ pos = CVector2D(e->GetPosition());
+ if(xmin < pos.x && pos.x < xmax &&
+ ymin < pos.y && pos.y < ymax &&
+ (CVector2D(x, y) - pos).MagnitudeSqr() < lodDistSq)
+ if(CRenderer::IsEntityCullZoneVisible(e))
+ RequestModel(e->GetModelIndex(), 0);
+ }
+ }
+ }
+}
+
+void
+CStreaming::ProcessEntitiesInSectorList(CPtrList &list)
+{
+ CPtrNode *node;
+ CEntity *e;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+
+ if(e->m_scanCode == CWorld::GetCurrentScanCode())
+ continue;
+
+ e->m_scanCode = CWorld::GetCurrentScanCode();
+ if(!e->bStreamingDontDelete && !e->bIsSubway &&
+ (!e->IsObject() || ((CObject*)e)->ObjectCreatedBy != TEMP_OBJECT)){
+ CTimeModelInfo *mi = (CTimeModelInfo*)CModelInfo::GetModelInfo(e->GetModelIndex());
+ if(mi->m_type != MITYPE_TIME || CClock::GetIsTimeInRange(mi->GetTimeOn(), mi->GetTimeOff()))
+ if(CRenderer::IsEntityCullZoneVisible(e))
+ RequestModel(e->GetModelIndex(), 0);
+ }
+ }
+}
+
+void
+CStreaming::DeleteFarAwayRwObjects(const CVector &pos)
+{
+ int posx, posy;
+ int x, y;
+ int r, i;
+ CSector *sect;
+
+ posx = CWorld::GetSectorIndexX(pos.x);
+ posy = CWorld::GetSectorIndexY(pos.y);
+
+ // Move oldSectorX/Y to new sector and delete RW objects in its "wake" for every step:
+ // O is the old sector, <- is the direction in which we move it,
+ // X are the sectors we delete RW objects from (except we go up to 10)
+ // X
+ // X X
+ // X X X
+ // X X X
+ // <- O X X X
+ // X X X
+ // X X X
+ // X X
+ // X
+
+ while(posx != ms_oldSectorX){
+ if(posx < ms_oldSectorX){
+ for(r = 2; r <= 10; r++){
+ x = ms_oldSectorX + r;
+ if(x < 0)
+ continue;
+ if(x >= NUMSECTORS_X)
+ break;
+
+ for(i = -r; i <= r; i++){
+ y = ms_oldSectorY + i;
+ if(y < 0)
+ continue;
+ if(y >= NUMSECTORS_Y)
+ break;
+
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInOverlapSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], ms_oldSectorX, ms_oldSectorY);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ }
+ }
+ ms_oldSectorX--;
+ }else{
+ for(r = 2; r <= 10; r++){
+ x = ms_oldSectorX - r;
+ if(x < 0)
+ break;
+ if(x >= NUMSECTORS_X)
+ continue;
+
+ for(i = -r; i <= r; i++){
+ y = ms_oldSectorY + i;
+ if(y < 0)
+ continue;
+ if(y >= NUMSECTORS_Y)
+ break;
+
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInOverlapSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], ms_oldSectorX, ms_oldSectorY);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ }
+ }
+ ms_oldSectorX++;
+ }
+ }
+
+ while(posy != ms_oldSectorY){
+ if(posy < ms_oldSectorY){
+ for(r = 2; r <= 10; r++){
+ y = ms_oldSectorY + r;
+ if(y < 0)
+ continue;
+ if(y >= NUMSECTORS_Y)
+ break;
+
+ for(i = -r; i <= r; i++){
+ x = ms_oldSectorX + i;
+ if(x < 0)
+ continue;
+ if(x >= NUMSECTORS_X)
+ break;
+
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInOverlapSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], ms_oldSectorX, ms_oldSectorY);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ }
+ }
+ ms_oldSectorY--;
+ }else{
+ for(r = 2; r <= 10; r++){
+ y = ms_oldSectorY - r;
+ if(y < 0)
+ break;
+ if(y >= NUMSECTORS_Y)
+ continue;
+
+ for(i = -r; i <= r; i++){
+ x = ms_oldSectorX + i;
+ if(x < 0)
+ continue;
+ if(x >= NUMSECTORS_X)
+ break;
+
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInOverlapSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP], ms_oldSectorX, ms_oldSectorY);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ }
+ }
+ ms_oldSectorY++;
+ }
+ }
+}
+
+void
+CStreaming::DeleteAllRwObjects(void)
+{
+ int x, y;
+ CSector *sect;
+
+ for(x = 0; x < NUMSECTORS_X; x++)
+ for(y = 0; y < NUMSECTORS_Y; y++){
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS_OVERLAP]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES_OVERLAP]);
+ }
+}
+
+void
+CStreaming::DeleteRwObjectsAfterDeath(const CVector &pos)
+{
+ int ix, iy;
+ int x, y;
+ CSector *sect;
+
+ ix = CWorld::GetSectorIndexX(pos.x);
+ iy = CWorld::GetSectorIndexX(pos.y);
+
+ for(x = 0; x < NUMSECTORS_X; x++)
+ for(y = 0; y < NUMSECTORS_Y; y++)
+ if(fabs(ix - x) > 3.0f &&
+ fabs(iy - y) > 3.0f){
+ sect = CWorld::GetSector(x, y);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS_OVERLAP]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_OBJECTS_OVERLAP]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES]);
+ DeleteRwObjectsInSectorList(sect->m_lists[ENTITYLIST_DUMMIES_OVERLAP]);
+ }
+}
+
+void
+CStreaming::DeleteRwObjectsBehindCamera(int32 mem)
+{
+ int ix, iy;
+ int x, y;
+ int xmin, xmax, ymin, ymax;
+ int inc;
+ CSector *sect;
+
+ if(ms_memoryUsed < mem)
+ return;
+
+ ix = CWorld::GetSectorIndexX(TheCamera.GetPosition().x);
+ iy = CWorld::GetSectorIndexX(TheCamera.GetPosition().y);
+
+ if(fabs(TheCamera.GetForward().x) > fabs(TheCamera.GetForward().y)){
+ // looking west/east
+
+ ymin = max(iy - 10, 0);
+ ymax = min(iy + 10, NUMSECTORS_Y);
+ assert(ymin <= ymax);
+
+ // Delete a block of sectors that we know is behind the camera
+ if(TheCamera.GetForward().x > 0){
+ // looking east
+ xmax = max(ix - 2, 0);
+ xmin = max(ix - 10, 0);
+ inc = 1;
+ }else{
+ // looking west
+ xmax = min(ix + 2, NUMSECTORS_X);
+ xmin = min(ix + 10, NUMSECTORS_X);
+ inc = -1;
+ }
+ for(y = ymin; y <= ymax; y++){
+ for(x = xmin; x != xmax; x += inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+
+ // Now a block that intersects with the camera's frustum
+ if(TheCamera.GetForward().x > 0){
+ // looking east
+ xmax = max(ix + 10, 0);
+ xmin = max(ix - 2, 0);
+ inc = 1;
+ }else{
+ // looking west
+ xmax = min(ix - 10, NUMSECTORS_X);
+ xmin = min(ix + 2, NUMSECTORS_X);
+ inc = -1;
+ }
+ for(y = ymin; y <= ymax; y++){
+ for(x = xmin; x != xmax; x += inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+
+ if(RemoveReferencedTxds(mem))
+ return;
+
+ // As last resort, delete objects from the last step more aggressively
+ for(y = ymin; y <= ymax; y++){
+ for(x = xmax; x != xmin; x -= inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+ }else{
+ // looking north/south
+
+ xmin = max(ix - 10, 0);
+ xmax = min(ix + 10, NUMSECTORS_X);
+ assert(xmin <= xmax);
+
+ // Delete a block of sectors that we know is behind the camera
+ if(TheCamera.GetForward().y > 0){
+ // looking north
+ ymax = max(iy - 2, 0);
+ ymin = max(iy - 10, 0);
+ inc = 1;
+ }else{
+ // looking south
+ ymax = min(iy + 2, NUMSECTORS_Y);
+ ymin = min(iy + 10, NUMSECTORS_Y);
+ inc = -1;
+ }
+ for(x = xmin; x <= xmax; x++){
+ for(y = ymin; y != ymax; y += inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+
+ // Now a block that intersects with the camera's frustum
+ if(TheCamera.GetForward().y > 0){
+ // looking north
+ ymax = max(iy + 10, 0);
+ ymin = max(iy - 2, 0);
+ inc = 1;
+ }else{
+ // looking south
+ ymax = min(iy - 10, NUMSECTORS_Y);
+ ymin = min(iy + 2, NUMSECTORS_Y);
+ inc = -1;
+ }
+ for(x = xmin; x <= xmax; x++){
+ for(y = ymin; y != ymax; y += inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsNotInFrustumInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+
+ if(RemoveReferencedTxds(mem))
+ return;
+
+ // As last resort, delete objects from the last step more aggressively
+ for(x = xmin; x <= xmax; x++){
+ for(y = ymax; y != ymin; y -= inc){
+ sect = CWorld::GetSector(x, y);
+ if(DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_BUILDINGS], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_DUMMIES], mem) ||
+ DeleteRwObjectsBehindCameraInSectorList(sect->m_lists[ENTITYLIST_OBJECTS], mem))
+ return;
+ }
+ }
+ }
+}
+
+void
+CStreaming::DeleteRwObjectsInSectorList(CPtrList &list)
+{
+ CPtrNode *node;
+ CEntity *e;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+ if(!e->bStreamingDontDelete && !e->bImBeingRendered)
+ e->DeleteRwObject();
+ }
+}
+
+void
+CStreaming::DeleteRwObjectsInOverlapSectorList(CPtrList &list, int32 x, int32 y)
+{
+ CPtrNode *node;
+ CEntity *e;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+ if(e->m_rwObject && !e->bStreamingDontDelete && !e->bImBeingRendered){
+ // Now this is pretty weird...
+ if(fabs(CWorld::GetSectorIndexX(e->GetPosition().x) - x) >= 2.0f)
+// {
+ e->DeleteRwObject();
+// return; // BUG?
+// }
+ else // FIX?
+ if(fabs(CWorld::GetSectorIndexY(e->GetPosition().y) - y) >= 2.0f)
+ e->DeleteRwObject();
+ }
+ }
+}
+
+bool
+CStreaming::DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem)
+{
+ CPtrNode *node;
+ CEntity *e;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+ if(!e->bStreamingDontDelete && !e->bImBeingRendered &&
+ e->m_rwObject && ms_aInfoForModel[e->GetModelIndex()].m_next){
+ e->DeleteRwObject();
+ if(CModelInfo::GetModelInfo(e->GetModelIndex())->m_refCount == 0){
+ RemoveModel(e->GetModelIndex());
+ if(ms_memoryUsed < mem)
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+bool
+CStreaming::DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, int32 mem)
+{
+ CPtrNode *node;
+ CEntity *e;
+
+ for(node = list.first; node; node = node->next){
+ e = (CEntity*)node->item;
+ if(!e->bStreamingDontDelete && !e->bImBeingRendered &&
+ e->m_rwObject && !e->IsVisible() && ms_aInfoForModel[e->GetModelIndex()].m_next){
+ e->DeleteRwObject();
+ if(CModelInfo::GetModelInfo(e->GetModelIndex())->m_refCount == 0){
+ RemoveModel(e->GetModelIndex());
+ if(ms_memoryUsed < mem)
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+void
+CStreaming::MakeSpaceFor(int32 size)
+{
+ // BUG: ms_memoryAvailable can be uninitialized
+ // the code still happens to work in that case because ms_memoryAvailable is unsigned
+ // but it's not nice....
+
+ while((uint32)ms_memoryUsed >= ms_memoryAvailable - size)
+ if(!RemoveLeastUsedModel()){
+ DeleteRwObjectsBehindCamera(ms_memoryAvailable - size);
+ return;
+ }
+}
+
+void
+CStreaming::LoadScene(const CVector &pos)
+{
+ CStreamingInfo *si, *prev;
+ eLevelName level;
+
+ level = CTheZones::GetLevelFromPosition(pos);
+ debug("Start load scene\n");
+ for(si = ms_endRequestedList.m_prev; si != &ms_startRequestedList; si = prev){
+ prev = si->m_prev;
+ if((si->m_flags & (STREAMFLAGS_KEEP_IN_MEMORY|STREAMFLAGS_PRIORITY)) == 0)
+ RemoveModel(si - ms_aInfoForModel);
+ }
+ CRenderer::m_loadingPriority = false;
+ CCullZones::ForceCullZoneCoors(pos);
+ DeleteAllRwObjects();
+ AddModelsToRequestList(pos);
+ CRadar::StreamRadarSections(pos);
+ RemoveUnusedBigBuildings(level);
+ RequestBigBuildings(level);
+ LoadAllRequestedModels(false);
+ debug("End load scene\n");
+}
+
+void
+CStreaming::MemoryCardSave(uint8 *buffer, uint32 *length)
+{
+ int i;
+
+ *length = NUM_DEFAULT_MODELS;
+ for(i = 0; i < NUM_DEFAULT_MODELS; i++)
+ if(ms_aInfoForModel[i].m_loadState == STREAMSTATE_LOADED)
+ buffer[i] = ms_aInfoForModel[i].m_flags;
+ else
+ buffer[i] = 0xFF;
+}
+
+void
+CStreaming::MemoryCardLoad(uint8 *buffer, uint32 length)
+{
+ uint32 i;
+
+ assert(length == NUM_DEFAULT_MODELS);
+ for(i = 0; i < length; i++)
+ if(ms_aInfoForModel[i].m_loadState == STREAMSTATE_LOADED)
+ if(buffer[i] != 0xFF)
+ ms_aInfoForModel[i].m_flags = buffer[i];
+}
+
+STARTPATCHES
+ InjectHook(0x406430, CStreaming::Init, PATCH_JUMP);
+ InjectHook(0x406C80, CStreaming::Shutdown, PATCH_JUMP);
+ InjectHook(0x4076C0, CStreaming::Update, PATCH_JUMP);
+ InjectHook(0x406CC0, (void (*)(void))CStreaming::LoadCdDirectory, PATCH_JUMP);
+ InjectHook(0x406DA0, (void (*)(const char*, int))CStreaming::LoadCdDirectory, PATCH_JUMP);
+ InjectHook(0x409740, CStreaming::ConvertBufferToObject, PATCH_JUMP);
+ InjectHook(0x409580, CStreaming::FinishLoadingLargeFile, PATCH_JUMP);
+ InjectHook(0x407EA0, CStreaming::RequestModel, PATCH_JUMP);
+ InjectHook(0x407FD0, CStreaming::RequestSubway, PATCH_JUMP);
+ InjectHook(0x408190, CStreaming::RequestBigBuildings, PATCH_JUMP);
+ InjectHook(0x408210, CStreaming::RequestIslands, PATCH_JUMP);
+ InjectHook(0x40A890, CStreaming::RequestSpecialModel, PATCH_JUMP);
+ InjectHook(0x40ADA0, CStreaming::RequestSpecialChar, PATCH_JUMP);
+ InjectHook(0x54A5F0, CStreaming::HasModelLoaded, PATCH_JUMP);
+ InjectHook(0x40ADC0, CStreaming::HasSpecialCharLoaded, PATCH_JUMP);
+ InjectHook(0x40ADE0, CStreaming::SetMissionDoesntRequireSpecialChar, 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(0x40AE60, CStreaming::StreamVehiclesAndPeds, PATCH_JUMP);
+ InjectHook(0x40AA30, CStreaming::StreamZoneModels, PATCH_JUMP);
+ InjectHook(0x40AD00, CStreaming::RemoveCurrentZonesModels, 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(0x40A060, CStreaming::RequestModelStream, PATCH_JUMP);
+ InjectHook(0x4077F0, CStreaming::RetryLoadFile, PATCH_JUMP);
+ InjectHook(0x40A390, CStreaming::LoadRequestedModels, PATCH_JUMP);
+ InjectHook(0x40A440, CStreaming::LoadAllRequestedModels, PATCH_JUMP);
+
+ InjectHook(0x4078F0, CStreaming::AddModelsToRequestList, PATCH_JUMP);
+ InjectHook(0x407C50, (void (*)(CPtrList&,float,float,float,float,float,float))CStreaming::ProcessEntitiesInSectorList, PATCH_JUMP);
+ InjectHook(0x407DD0, (void (*)(CPtrList&))CStreaming::ProcessEntitiesInSectorList, PATCH_JUMP);
+
+ InjectHook(0x407070, CStreaming::DeleteFarAwayRwObjects, PATCH_JUMP);
+ InjectHook(0x407390, CStreaming::DeleteAllRwObjects, PATCH_JUMP);
+ InjectHook(0x407400, CStreaming::DeleteRwObjectsAfterDeath, PATCH_JUMP);
+ InjectHook(0x408A60, CStreaming::DeleteRwObjectsBehindCamera, PATCH_JUMP);
+ InjectHook(0x407560, CStreaming::DeleteRwObjectsInSectorList, PATCH_JUMP);
+ InjectHook(0x4075A0, CStreaming::DeleteRwObjectsInOverlapSectorList, PATCH_JUMP);
+ InjectHook(0x409340, CStreaming::DeleteRwObjectsBehindCameraInSectorList, PATCH_JUMP);
+ InjectHook(0x4093C0, CStreaming::DeleteRwObjectsNotInFrustumInSectorList, PATCH_JUMP);
+ InjectHook(0x409B70, CStreaming::MakeSpaceFor, PATCH_JUMP);
+ InjectHook(0x40A6D0, CStreaming::LoadScene, PATCH_JUMP);
+
+ InjectHook(0x40B210, CStreaming::MemoryCardSave, PATCH_JUMP);
+ InjectHook(0x40B250, CStreaming::MemoryCardLoad, PATCH_JUMP);
+
+ InjectHook(0x4063E0, &CStreamingInfo::GetCdPosnAndSize, PATCH_JUMP);
+ InjectHook(0x406410, &CStreamingInfo::SetCdPosnAndSize, PATCH_JUMP);
+ InjectHook(0x4063D0, &CStreamingInfo::GetCdSize, PATCH_JUMP);
+ InjectHook(0x406380, &CStreamingInfo::AddToList, PATCH_JUMP);
+ InjectHook(0x4063A0, &CStreamingInfo::RemoveFromList, PATCH_JUMP);
+ENDPATCHES