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more CStreaming

This commit is contained in:
aap 2019-06-24 18:44:23 +02:00
parent 4d84d94166
commit db2e2575c8
3 changed files with 747 additions and 51 deletions

View file

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

View file

@ -14,6 +14,7 @@ enum StreamFlags
STREAMFLAGS_PRIORITY = 0x08,
STREAMFLAGS_NOFADE = 0x10,
// TODO: this isn't named well, maybe CANT_REMOVE?
STREAMFLAGS_NOT_IN_LIST = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED,
STREAMFLAGS_KEEP_IN_MEMORY = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED|STREAMFLAGS_DEPENDENCY,
};
@ -29,7 +30,10 @@ enum StreamLoadState
enum ChannelState
{
CHANNELSTATE_0 = 0,
CHANNELSTATE_IDLE = 0,
CHANNELSTATE_UNK1 = 1,
CHANNELSTATE_STARTED = 2,
CHANNELSTATE_ERROR = 3,
};
class CStreamingInfo
@ -53,7 +57,7 @@ public:
struct CStreamingChannel
{
int32 modelIds[4];
int32 streamIds[4];
int32 offsets[4];
int32 state;
int32 field24;
@ -80,11 +84,13 @@ public:
static int32 &ms_oldSectorX;
static int32 &ms_oldSectorY;
static uint32 &ms_streamingBufferSize;
static uint8 **ms_pStreamingBuffer; //[2]
static int8 **ms_pStreamingBuffer; //[2]
static int32 &ms_memoryUsed;
static CStreamingChannel *ms_channel; //[2]
static int32 &ms_channelError;
static int32 &ms_numVehiclesLoaded;
static int32 *ms_vehiclesLoaded; //[MAXVEHICLESLOADED]
static int32 &ms_lastVehicleDeleted;
static CDirectory *&ms_pExtraObjectsDir;
static int32 &ms_numPriorityRequests;
static bool &ms_hasLoadedLODs;
@ -104,7 +110,9 @@ public:
static bool ConvertBufferToObject(int8 *buf, int32 streamId);
static bool FinishLoadingLargeFile(int8 *buf, int32 streamId);
static void RequestModel(int32 model, int32 flags);
static void ReRequestModel(int32 model) { RequestModel(model, ms_aInfoForModel[model].m_flags); }
static void RequestTxd(int32 txd, int32 flags) { RequestModel(txd + STREAM_OFFSET_TXD, flags); }
static void ReRequestTxd(int32 txd) { ReRequestModel(txd + STREAM_OFFSET_TXD); }
static void RequestSubway(void);
static void RequestBigBuildings(eLevelName level);
static void RequestIslands(eLevelName level);
@ -112,12 +120,38 @@ public:
static void RequestSpecialChar(int32 charId, const char *modelName, int32 flags);
static void RemoveModel(int32 id);
static void RemoveTxd(int32 id) { RemoveModel(id + STREAM_OFFSET_TXD); }
static void RemoveUnusedBuildings(eLevelName level);
static void RemoveBuildings(eLevelName level);
static void RemoveUnusedBigBuildings(eLevelName level);
static void RemoveIslandsNotUsed(eLevelName level);
static void RemoveBigBuildings(eLevelName level);
static bool RemoveLoadedVehicle(void);
static bool RemoveLeastUsedModel(void);
static void RemoveAllUnusedModels(void);
static void RemoveUnusedModelsInLoadedList(void);
static bool RemoveReferencedTxds(int32 mem);
static int32 GetAvailableVehicleSlot(void);
static bool IsTxdUsedByRequestedModels(int32 txdId);
static bool AddToLoadedVehiclesList(int32 modelId);
static bool IsObjectInCdImage(int32 id);
static void HaveAllBigBuildingsLoaded(eLevelName level);
static void SetModelIsDeletable(int32 id);
static void SetModelTxdIsDeletable(int32 id);
static void SetMissionDoesntRequireModel(int32 id);
static int32 GetNextFileOnCd(int32 position, bool priority);
static bool ProcessLoadingChannel(int32 ch);
static void RequestModelStream(int32 ch);
static void FlushChannels(void);
static void FlushRequestList(void);
static int32 GetCdImageOffset(int32 lastPosn);
static void MakeSpaceFor(int32 size);
static void ImGonnaUseStreamingMemory(void);
static void IHaveUsedStreamingMemory(void);
static void UpdateMemoryUsed(void);
static void LoadInitialPeds(void);
static void LoadInitialVehicles(void);
};

View file

@ -326,6 +326,8 @@ enum
MI_AIRTRAIN_VLO = 198,
MI_LOPOLYGUY,
NUM_DEFAULT_MODELS,
};
void InitModelIndices(void);