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https://git.rip/DMCA_FUCKER/re3.git
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CStreaming streams
This commit is contained in:
aap
parent
b19e1d369c
commit
a91f40e79d
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@ -23,7 +23,7 @@ CStreamingInfo &CStreaming::ms_startRequestedList = *(CStreamingInfo*)0x8F1B3C;
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CStreamingInfo &CStreaming::ms_endRequestedList = *(CStreamingInfo*)0x940738;
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int32 &CStreaming::ms_oldSectorX = *(int32*)0x8F2C84;
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int32 &CStreaming::ms_oldSectorY = *(int32*)0x8F2C88;
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uint32 &CStreaming::ms_streamingBufferSize = *(uint32*)0x942FB0;
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int32 &CStreaming::ms_streamingBufferSize = *(int32*)0x942FB0;
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int8 **CStreaming::ms_pStreamingBuffer = (int8**)0x87F818;
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int32 &CStreaming::ms_memoryUsed = *(int32*)0x940568;
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CStreamingChannel *CStreaming::ms_channel = (CStreamingChannel*)0x727EE0;
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@ -240,7 +240,7 @@ CStreaming::LoadCdDirectory(const char *dirname, int n)
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while(CFileMgr::Read(fd, (char*)&direntry, sizeof(direntry))){
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dot = strchr(direntry.name, '.');
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if(dot) *dot = '\0';
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if(direntry.size > ms_streamingBufferSize)
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if(direntry.size > (uint32)ms_streamingBufferSize)
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ms_streamingBufferSize = direntry.size;
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if(strcmp(dot+1, "DFF") == 0 || strcmp(dot+1, "dff") == 0){
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@ -490,7 +490,7 @@ CStreaming::RequestModel(int32 id, int32 flags)
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if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_INQUEUE){
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// updgrade to priority
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if(flags & STREAMFLAGS_PRIORITY && (ms_aInfoForModel[id].m_flags & STREAMFLAGS_PRIORITY) == 0){
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if(flags & STREAMFLAGS_PRIORITY && !ms_aInfoForModel[id].IsPriority()){
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ms_numPriorityRequests++;
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ms_aInfoForModel[id].m_flags |= STREAMFLAGS_PRIORITY;
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}
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@ -653,6 +653,16 @@ CStreaming::RequestSpecialChar(int32 charId, const char *modelName, int32 flags)
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RequestSpecialModel(charId + MI_SPECIAL01, modelName, flags);
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}
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void
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CStreaming::DecrementRef(int32 id)
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{
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ms_numModelsRequested--;
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if(ms_aInfoForModel[id].IsPriority()){
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ms_aInfoForModel[id].m_flags &= ~STREAMFLAGS_PRIORITY;
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ms_numPriorityRequests--;
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}
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}
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void
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CStreaming::RemoveModel(int32 id)
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{
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@ -671,13 +681,8 @@ CStreaming::RemoveModel(int32 id)
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if(ms_aInfoForModel[id].m_next){
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// Remove from list, model is neither loaded nor requested
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if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_INQUEUE){
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ms_numModelsRequested--;
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if(ms_aInfoForModel[id].m_flags & STREAMFLAGS_PRIORITY){
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ms_aInfoForModel[id].m_flags &= ~STREAMFLAGS_PRIORITY;
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ms_numPriorityRequests--;
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}
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}
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if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_INQUEUE)
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DecrementRef(id);
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ms_aInfoForModel[id].RemoveFromList();
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}else if(ms_aInfoForModel[id].m_loadState == STREAMSTATE_READING){
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for(i = 0; i < 4; i++){
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@ -1120,7 +1125,223 @@ CStreaming::LoadInitialVehicles(void)
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}
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// Find starting offset of the cdimage we next want to read
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// Not useful at all on PC...
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int32
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CStreaming::GetCdImageOffset(int32 lastPosn)
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{
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int offset, off;
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int i, img;
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int dist, mindist;
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img = -1;
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mindist = INT_MAX;
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offset = ms_imageOffsets[ms_lastImageRead];
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if(lastPosn <= offset || lastPosn > offset + ms_imageSize){
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// last read position is not in last image
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for(i = 0; i < NUMCDIMAGES; i++){
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off = ms_imageOffsets[i];
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if(off == -1) continue;
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if((uint32)lastPosn > (uint32)off)
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// after start of image, get distance from end
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// negative if before end!
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dist = lastPosn - (off + ms_imageSize);
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else
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// before image, get offset to start
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// this will never be negative
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dist = off - lastPosn;
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if(dist < mindist){
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img = i;
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mindist = dist;
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}
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}
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assert(img >= 0);
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offset = ms_imageOffsets[img];
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ms_lastImageRead = img;
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}
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return offset;
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}
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inline bool
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TxdAvailable(int32 txdId)
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{
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CStreamingInfo *si = &CStreaming::ms_aInfoForModel[txdId + STREAM_OFFSET_TXD];
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return si->m_loadState == STREAMSTATE_LOADED || si->m_loadState == STREAMSTATE_READING;
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}
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// Find stream id of next requested file in cdimage
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int32
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CStreaming::GetNextFileOnCd(int32 lastPosn, bool priority)
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{
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CStreamingInfo *si, *next;
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int streamId;
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uint32 posn, size;
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int streamIdFirst, streamIdNext;
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uint32 posnFirst, posnNext;
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streamIdFirst = -1;
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streamIdNext = -1;
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posnFirst = UINT_MAX;
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posnNext = UINT_MAX;
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for(si = ms_startRequestedList.m_next; si != &ms_endRequestedList; si = next){
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next = si->m_next;
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streamId = si - ms_aInfoForModel;
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// only priority requests if there are any
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if(priority && ms_numPriorityRequests != 0 && !si->IsPriority())
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continue;
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// request Txd if necessary
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if(streamId < STREAM_OFFSET_TXD &&
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!TxdAvailable(CModelInfo::GetModelInfo(streamId)->GetTxdSlot())){
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ReRequestTxd(CModelInfo::GetModelInfo(streamId)->GetTxdSlot());
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}else if(ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)){
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if(posn < posnFirst){
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// find first requested file in image
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streamIdFirst = streamId;
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posnFirst = posn;
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}
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if(posn < posnNext && posn >= (uint32)lastPosn){
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// find first requested file after last read position
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streamIdNext = streamId;
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posnNext = posn;
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}
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}else{
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// empty file
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DecrementRef(streamId);
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si->RemoveFromList();
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si->m_loadState = STREAMSTATE_LOADED;
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}
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}
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// wrap around
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if(streamIdNext == -1)
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streamIdNext = streamIdFirst;
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if(streamIdNext == -1 && ms_numPriorityRequests != 0){
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// try non-priority files
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ms_numPriorityRequests = 0;
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streamIdNext = GetNextFileOnCd(lastPosn, false);
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}
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return streamIdNext;
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}
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/*
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* Streaming buffer size is half of the largest file.
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* Files larger than the buffer size can only be loaded by channel 0,
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* which then uses both buffers, while channel 1 is idle.
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* ms_bLoadingBigModel is set to true to indicate this state.
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*
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* TODO: two-part files
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*/
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// Make channel read from disc
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void
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CStreaming::RequestModelStream(int32 ch)
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{
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int lastPosn, imgOffset, streamId;
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int totalSize;
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uint32 posn, size, unused;
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int i;
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int haveBigFile, havePed;
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lastPosn = CdStreamGetLastPosn();
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imgOffset = GetCdImageOffset(lastPosn);
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streamId = GetNextFileOnCd(lastPosn - imgOffset, true);
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if(streamId == -1)
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return;
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// remove Txds that aren't requested anymore
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while(streamId >= STREAM_OFFSET_TXD){
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if(ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_KEEP_IN_MEMORY ||
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IsTxdUsedByRequestedModels(streamId - STREAM_OFFSET_TXD))
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break;
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RemoveModel(streamId);
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// so try next file
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ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size);
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streamId = GetNextFileOnCd(posn + size, true);
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}
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if(streamId == -1)
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return;
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ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size);
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if(size > (uint32)ms_streamingBufferSize){
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// Can only load big models on channel 0, and 1 has to be idle
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if(ch == 1 || ms_channel[1].state != CHANNELSTATE_IDLE)
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return;
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ms_bLoadingBigModel = true;
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}
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// Load up to 4 adjacent files
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haveBigFile = 0;
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havePed = 0;
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totalSize = 0;
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for(i = 0; i < 4; i++){
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// no more files we can read
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if(streamId == -1 || ms_aInfoForModel[streamId].m_loadState != STREAMSTATE_INQUEUE)
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break;
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// also stop at non-priority files
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ms_aInfoForModel[streamId].GetCdPosnAndSize(unused, size);
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if(ms_numPriorityRequests != 0 && !ms_aInfoForModel[streamId].IsPriority())
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break;
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// Can't load certain combinations of files together
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if(streamId < STREAM_OFFSET_TXD){
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if(havePed && CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_PED ||
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haveBigFile && CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_VEHICLE ||
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!TxdAvailable(CModelInfo::GetModelInfo(streamId)->GetTxdSlot()))
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break;
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}else{
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if(haveBigFile && size > 200)
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break;
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}
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// Now add the file
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ms_channel[ch].streamIds[i] = streamId;
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ms_channel[ch].offsets[i] = totalSize;
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totalSize += size;
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// To big for buffer, remove again
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if(totalSize > ms_streamingBufferSize && i > 0){
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totalSize -= size;
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break;
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}
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if(streamId < STREAM_OFFSET_TXD){
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if(CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_PED)
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havePed = 1;
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if(CModelInfo::GetModelInfo(streamId)->m_type == MITYPE_VEHICLE)
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haveBigFile = 1;
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}else{
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if(size > 200)
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haveBigFile = 1;
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}
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ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_READING;
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ms_aInfoForModel[streamId].RemoveFromList();
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DecrementRef(streamId);
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streamId = ms_aInfoForModel[streamId].m_nextID;
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}
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// clear remaining slots
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for(; i < 4; i++)
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ms_channel[ch].streamIds[i] = -1;
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// Now read the data
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assert(!(ms_bLoadingBigModel && ch == 1)); // this would clobber the buffer
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if(CdStreamRead(ch, ms_pStreamingBuffer[ch], imgOffset+posn, totalSize) == STREAM_NONE)
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debug("FUCKFUCKFUCK\n");
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ms_channel[ch].state = CHANNELSTATE_READING;
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ms_channel[ch].field24 = 0;
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ms_channel[ch].size = totalSize;
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ms_channel[ch].position = imgOffset+posn;
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ms_channel[ch].numTries = 0;
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}
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// Load data previously read from disc
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bool
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CStreaming::ProcessLoadingChannel(int32 ch)
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{
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@ -1192,75 +1413,81 @@ CStreaming::ProcessLoadingChannel(int32 ch)
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return true;
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}
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inline bool
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TxdAvailable(int32 txdId)
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void
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CStreaming::LoadRequestedModels(void)
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{
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CStreamingInfo *si = &CStreaming::ms_aInfoForModel[txdId + STREAM_OFFSET_TXD];
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return si->m_loadState == STREAMSTATE_LOADED || si->m_loadState == STREAMSTATE_READING;
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static int currentChannel = 0;
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// We can't read with channel 1 while channel 0 is using its buffer
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if(ms_bLoadingBigModel)
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currentChannel = 0;
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// We have data, load
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if(ms_channel[currentChannel].state == CHANNELSTATE_READING ||
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ms_channel[currentChannel].state == CHANNELSTATE_STARTED)
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ProcessLoadingChannel(currentChannel);
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if(ms_channelError == -1){
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// Channel is idle, read more data
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if(ms_channel[currentChannel].state == CHANNELSTATE_IDLE)
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RequestModelStream(currentChannel);
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// Switch channel
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if(ms_channel[currentChannel].state != CHANNELSTATE_STARTED)
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currentChannel = 1 - currentChannel;
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}
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}
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// Find stream id of next requested file in cdimage
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int32
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CStreaming::GetNextFileOnCd(int32 lastPosn, bool priority)
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void
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CStreaming::LoadAllRequestedModels(bool priority)
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{
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CStreamingInfo *si, *next;
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int streamId;
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static bool bInsideLoadAll = false;
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int imgOffset, streamId, status;
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int i;
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uint32 posn, size;
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int streamIdFirst, streamIdNext;
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uint32 posnFirst, posnNext;
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streamIdFirst = -1;
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streamIdNext = -1;
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posnFirst = UINT_MAX;
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posnNext = UINT_MAX;
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if(bInsideLoadAll)
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return;
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for(si = ms_startRequestedList.m_next; si != &ms_endRequestedList; si = next){
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next = si->m_next;
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streamId = si - ms_aInfoForModel;
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FlushChannels();
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imgOffset = GetCdImageOffset(CdStreamGetLastPosn());
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// only priority requests if there are any
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if(priority && ms_numPriorityRequests != 0 &&
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(si->m_flags & STREAMFLAGS_PRIORITY) == 0)
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continue;
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while(ms_endRequestedList.m_prev != &ms_startRequestedList){
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streamId = GetNextFileOnCd(0, priority);
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if(streamId == -1)
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break;
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// request Txd if necessary
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if(streamId < STREAM_OFFSET_TXD &&
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!TxdAvailable(CModelInfo::GetModelInfo(streamId)->GetTxdSlot())){
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ReRequestTxd(CModelInfo::GetModelInfo(streamId)->GetTxdSlot());
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}else if(ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)){
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if(posn < posnFirst){
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// find first requested file in image
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streamIdFirst = streamId;
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posnFirst = posn;
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}
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if(posn < posnNext && posn >= (uint32)lastPosn){
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// find first requested file after last read position
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streamIdNext = streamId;
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posnNext = posn;
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ms_aInfoForModel[streamId].RemoveFromList();
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DecrementRef(streamId);
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if(ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)){
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do
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status = CdStreamRead(0, ms_pStreamingBuffer[0], imgOffset+posn, size);
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while(CdStreamSync(0) || status == STREAM_NONE);
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ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_READING;
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MakeSpaceFor(size * CDSTREAM_SECTOR_SIZE);
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ConvertBufferToObject(ms_pStreamingBuffer[0], streamId);
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if(ms_aInfoForModel[streamId].m_loadState == STREAMSTATE_STARTED)
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FinishLoadingLargeFile(ms_pStreamingBuffer[0], streamId);
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if(streamId < STREAM_OFFSET_TXD){
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CSimpleModelInfo *mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(streamId);
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if(mi->IsSimple())
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mi->m_alpha = 255;
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}
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}else{
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// empty file
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ms_numModelsRequested--;
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if(ms_aInfoForModel[streamId].m_flags & STREAMFLAGS_PRIORITY){
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ms_aInfoForModel[streamId].m_flags &= ~STREAMFLAGS_PRIORITY;
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ms_numPriorityRequests--;
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}
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si->RemoveFromList();
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si->m_loadState = STREAMSTATE_LOADED;
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// empty
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ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_LOADED;
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}
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}
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// wrap around
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if(streamIdNext == -1)
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streamIdNext = streamIdFirst;
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if(streamIdNext == -1 && ms_numPriorityRequests){
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// try non-priority files
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ms_numPriorityRequests = 0;
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streamIdNext = GetNextFileOnCd(lastPosn, false);
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ms_bLoadingBigModel = false;
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for(i = 0; i < 4; i++){
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ms_channel[1].streamIds[i] = -1;
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ms_channel[1].offsets[i] = -1;
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}
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return streamIdNext;
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ms_channel[1].state = CHANNELSTATE_IDLE;
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bInsideLoadAll = false;
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}
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void
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@ -1269,14 +1496,14 @@ CStreaming::FlushChannels(void)
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if(ms_channel[1].state == CHANNELSTATE_STARTED)
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ProcessLoadingChannel(1);
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if(ms_channel[0].state == CHANNELSTATE_UNK1){
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if(ms_channel[0].state == CHANNELSTATE_READING){
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CdStreamSync(0);
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ProcessLoadingChannel(0);
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}
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if(ms_channel[0].state == CHANNELSTATE_STARTED)
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ProcessLoadingChannel(0);
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if(ms_channel[1].state == CHANNELSTATE_UNK1){
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if(ms_channel[1].state == CHANNELSTATE_READING){
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CdStreamSync(1);
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ProcessLoadingChannel(1);
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}
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@ -1296,43 +1523,6 @@ CStreaming::FlushRequestList(void)
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FlushChannels();
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}
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|
||||
// 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)
|
||||
|
|
@ -1431,6 +1621,9 @@ STARTPATCHES
|
|||
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(0x40A390, CStreaming::LoadRequestedModels, PATCH_JUMP);
|
||||
InjectHook(0x40A440, CStreaming::LoadAllRequestedModels, PATCH_JUMP);
|
||||
|
||||
InjectHook(0x4063E0, &CStreamingInfo::GetCdPosnAndSize, PATCH_JUMP);
|
||||
InjectHook(0x406410, &CStreamingInfo::SetCdPosnAndSize, PATCH_JUMP);
|
||||
|
|
|
|||
|
|
@ -24,14 +24,14 @@ enum StreamLoadState
|
|||
STREAMSTATE_NOTLOADED = 0,
|
||||
STREAMSTATE_LOADED = 1,
|
||||
STREAMSTATE_INQUEUE = 2,
|
||||
STREAMSTATE_READING = 3, // what is this?
|
||||
STREAMSTATE_STARTED = 4, // first part read
|
||||
STREAMSTATE_READING = 3, // channel is reading
|
||||
STREAMSTATE_STARTED = 4, // first part loaded
|
||||
};
|
||||
|
||||
enum ChannelState
|
||||
{
|
||||
CHANNELSTATE_IDLE = 0,
|
||||
CHANNELSTATE_UNK1 = 1,
|
||||
CHANNELSTATE_READING = 1,
|
||||
CHANNELSTATE_STARTED = 2,
|
||||
CHANNELSTATE_ERROR = 3,
|
||||
};
|
||||
|
|
@ -53,6 +53,7 @@ public:
|
|||
void AddToList(CStreamingInfo *link);
|
||||
void RemoveFromList(void);
|
||||
uint32 GetCdSize(void) { return m_size; }
|
||||
bool IsPriority(void) { return !!(m_flags & STREAMFLAGS_PRIORITY); }
|
||||
};
|
||||
|
||||
struct CStreamingChannel
|
||||
|
|
@ -63,7 +64,7 @@ struct CStreamingChannel
|
|||
int32 field24;
|
||||
int32 position;
|
||||
int32 size;
|
||||
int32 field30;
|
||||
int32 numTries;
|
||||
int32 status; // from CdStream
|
||||
};
|
||||
|
||||
|
|
@ -83,7 +84,7 @@ public:
|
|||
static CStreamingInfo &ms_endRequestedList;
|
||||
static int32 &ms_oldSectorX;
|
||||
static int32 &ms_oldSectorY;
|
||||
static uint32 &ms_streamingBufferSize;
|
||||
static int32 &ms_streamingBufferSize;
|
||||
static int8 **ms_pStreamingBuffer; //[2]
|
||||
static int32 &ms_memoryUsed;
|
||||
static CStreamingChannel *ms_channel; //[2]
|
||||
|
|
@ -118,6 +119,7 @@ public:
|
|||
static void RequestIslands(eLevelName level);
|
||||
static void RequestSpecialModel(int32 modelId, const char *modelName, int32 flags);
|
||||
static void RequestSpecialChar(int32 charId, const char *modelName, int32 flags);
|
||||
static void DecrementRef(int32 id);
|
||||
static void RemoveModel(int32 id);
|
||||
static void RemoveTxd(int32 id) { RemoveModel(id + STREAM_OFFSET_TXD); }
|
||||
static void RemoveUnusedBuildings(eLevelName level);
|
||||
|
|
@ -139,12 +141,14 @@ public:
|
|||
static void SetModelTxdIsDeletable(int32 id);
|
||||
static void SetMissionDoesntRequireModel(int32 id);
|
||||
|
||||
static int32 GetCdImageOffset(int32 lastPosn);
|
||||
static int32 GetNextFileOnCd(int32 position, bool priority);
|
||||
static bool ProcessLoadingChannel(int32 ch);
|
||||
static void RequestModelStream(int32 ch);
|
||||
static bool ProcessLoadingChannel(int32 ch);
|
||||
static void LoadRequestedModels(void);
|
||||
static void LoadAllRequestedModels(bool priority);
|
||||
static void FlushChannels(void);
|
||||
static void FlushRequestList(void);
|
||||
static int32 GetCdImageOffset(int32 lastPosn);
|
||||
|
||||
static void MakeSpaceFor(int32 size);
|
||||
static void ImGonnaUseStreamingMemory(void);
|
||||
|
|
|
|||
Loading…
Reference in a new issue