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re3/src/core/Streaming.cpp
Nikolay Korolev 917fa80c18 record init
2020-04-10 11:03:38 +03:00

2520 lines
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#include "common.h"
#include "patcher.h"
#include "General.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 "Wanted.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"
#include "main.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 unsigned long &_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 = CPools::GetBuildingPool()->GetSize()-1; i >= 0; 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(!CGeneral::faststrcmp(dot+1, "DFF") || !CGeneral::faststrcmp(dot+1, "dff")){
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(!CGeneral::faststrcmp(dot+1, "TXD") || !CGeneral::faststrcmp(dot+1, "txd")){
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()-1;
for(i = n; i >= 0; 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(!CGeneral::faststrcmp(mi->GetName(), modelName)){
// 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()-1;
for(i = n; i >= 0; 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()-1;
for(i = n; i >= 0; 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()-1;
for(i = n; i >= 0; 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()-1;
for(i = n; i >= 0; 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()-1;
for(i = n; i >= 0; 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;
}
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()-1;
for(i = n; i >= 0; 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::IsRecording() ||
CRecordDataForGame::IsPlayingBack())
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 = 1; 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_ERROR:
ms_channel[ch].numTries++;
if (CdStreamGetStatus(ch) == STREAM_READING || CdStreamGetStatus(ch) == STREAM_WAITING) break;
case CHANNELSTATE_IDLE:
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;
}
}
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::GetSectorIndexY(pos.y);
for(x = 0; x < NUMSECTORS_X; x++)
for(y = 0; y < NUMSECTORS_Y; y++)
if(Abs(ix - x) > 3.0f &&
Abs(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::GetSectorIndexY(TheCamera.GetPosition().y);
if(Abs(TheCamera.GetForward().x) > Abs(TheCamera.GetForward().y)){
// looking west/east
ymin = max(iy - 10, 0);
ymax = min(iy + 10, NUMSECTORS_Y - 1);
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 - 1);
xmin = min(ix + 10, NUMSECTORS_X - 1);
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 - 1);
xmin = min(ix + 2, NUMSECTORS_X - 1);
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 - 1);
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 - 1);
ymin = min(iy + 10, NUMSECTORS_Y - 1);
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 - 1);
ymin = min(iy + 2, NUMSECTORS_Y - 1);
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(Abs(CWorld::GetSectorIndexX(e->GetPosition().x) - x) >= 2.0f)
// {
e->DeleteRwObject();
// return; // BUG?
// }
else // FIX?
if(Abs(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 *buf, uint32 *size)
{
int i;
*size = NUM_DEFAULT_MODELS;
for(i = 0; i < NUM_DEFAULT_MODELS; i++)
if(ms_aInfoForModel[i].m_loadState == STREAMSTATE_LOADED)
buf[i] = ms_aInfoForModel[i].m_flags;
else
buf[i] = 0xFF;
}
void
CStreaming::MemoryCardLoad(uint8 *buf, uint32 size)
{
uint32 i;
assert(size == NUM_DEFAULT_MODELS);
for(i = 0; i < size; i++)
if(ms_aInfoForModel[i].m_loadState == STREAMSTATE_LOADED)
if(buf[i] != 0xFF)
ms_aInfoForModel[i].m_flags = buf[i];
}
void
CStreaming::UpdateForAnimViewer(void)
{
if (CStreaming::ms_channelError == -1) {
CStreaming::AddModelsToRequestList(CVector(0.0f, 0.0f, 0.0f));
CStreaming::LoadRequestedModels();
sprintf(gString, "Requested %d, memory size %dK\n", CStreaming::ms_numModelsRequested, 2 * CStreaming::ms_memoryUsed);
}
else {
CStreaming::RetryLoadFile(CStreaming::ms_channelError);
}
}
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
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