mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
db-cache -- implementation of datablock caching system.
This commit is contained in:
Marc Chapman
parent
169e539e47
commit
fec893cd8b
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@ -20,6 +20,11 @@
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
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// Copyright (C) 2015 Faust Logic, Inc.
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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#include "platform/platform.h"
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#include "T3D/gameBase/gameConnection.h"
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@ -52,6 +57,10 @@
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#include "T3D/gameBase/std/stdMoveList.h"
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#endif
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#ifdef AFX_CAP_DATABLOCK_CACHE
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#include "core/stream/fileStream.h"
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#endif
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//----------------------------------------------------------------------------
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#define MAX_MOVE_PACKET_SENDS 4
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@ -173,9 +182,20 @@ IMPLEMENT_CALLBACK( GameConnection, onFlash, void, (bool state), (state),
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"either is on or both are off. Typically this is used to enable the flash postFx.\n\n"
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"@param state Set to true if either the damage flash or white out conditions are active.\n\n");
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#ifdef AFX_CAP_DATABLOCK_CACHE
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StringTableEntry GameConnection::server_cache_filename = "";
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StringTableEntry GameConnection::client_cache_filename = "";
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bool GameConnection::server_cache_on = false;
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bool GameConnection::client_cache_on = false;
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#endif
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//----------------------------------------------------------------------------
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GameConnection::GameConnection()
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{
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#ifdef AFX_CAP_DATABLOCK_CACHE
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client_db_stream = new InfiniteBitStream;
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server_cache_CRC = 0xffffffff;
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#endif
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mLagging = false;
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mControlObject = NULL;
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mCameraObject = NULL;
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@ -246,6 +266,10 @@ GameConnection::~GameConnection()
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dFree(mConnectArgv[i]);
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dFree(mJoinPassword);
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delete mMoveList;
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#ifdef AFX_CAP_DATABLOCK_CACHE
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delete client_db_stream;
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#endif
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}
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//----------------------------------------------------------------------------
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@ -1608,6 +1632,14 @@ void GameConnection::preloadNextDataBlock(bool hadNewFiles)
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sendConnectionMessage(DataBlocksDownloadDone, mDataBlockSequence);
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// gResourceManager->setMissingFileLogging(false);
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#ifdef AFX_CAP_DATABLOCK_CACHE
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// This should be the last of the datablocks. An argument of false
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// indicates that this is a client save.
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if (clientCacheEnabled())
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saveDatablockCache(false);
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#endif
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return;
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}
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mFilesWereDownloaded = hadNewFiles;
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@ -1771,7 +1803,11 @@ DefineEngineMethod( GameConnection, transmitDataBlocks, void, (S32 sequence),,
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const U32 iCount = pGroup->size();
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// If this is the local client...
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#ifdef AFX_CAP_DATABLOCK_CACHE
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if (GameConnection::getLocalClientConnection() == object && !GameConnection::serverCacheEnabled())
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#else
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if (GameConnection::getLocalClientConnection() == object)
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#endif
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{
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// Set up a pointer to the datablock.
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SimDataBlock* pDataBlock = 0;
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@ -2166,6 +2202,13 @@ void GameConnection::consoleInit()
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"@ingroup Networking\n");
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// Con::addVariable("specialFog", TypeBool, &SceneGraph::useSpecial);
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#ifdef AFX_CAP_DATABLOCK_CACHE
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Con::addVariable("$Pref::Server::DatablockCacheFilename", TypeString, &server_cache_filename);
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Con::addVariable("$pref::Client::DatablockCacheFilename", TypeString, &client_cache_filename);
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Con::addVariable("$Pref::Server::EnableDatablockCache", TypeBool, &server_cache_on);
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Con::addVariable("$pref::Client::EnableDatablockCache", TypeBool, &client_cache_on);
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#endif
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}
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DefineEngineMethod( GameConnection, startRecording, void, (const char* fileName),,
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@ -2360,4 +2403,393 @@ DefineEngineMethod( GameConnection, getVisibleGhostDistance, F32, (),,
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)
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{
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return object->getVisibleGhostDistance();
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}
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}
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#ifdef AFX_CAP_DATABLOCK_CACHE
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void GameConnection::tempDisableStringBuffering(BitStream* bs) const
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{
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bs->setStringBuffer(0);
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}
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void GameConnection::restoreStringBuffering(BitStream* bs) const
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{
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bs->clearStringBuffer();
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}
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// rewind to stream postion and then move raw bytes into client_db_stream
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// for caching purposes.
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void GameConnection::repackClientDatablock(BitStream* bstream, S32 start_pos)
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{
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static U8 bit_buffer[Net::MaxPacketDataSize];
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if (!clientCacheEnabled() || !client_db_stream)
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return;
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S32 cur_pos = bstream->getCurPos();
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S32 n_bits = cur_pos - start_pos;
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if (n_bits <= 0)
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return;
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bstream->setCurPos(start_pos);
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bstream->readBits(n_bits, bit_buffer);
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bstream->setCurPos(cur_pos);
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//S32 start_pos2 = client_db_stream->getCurPos();
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client_db_stream->writeBits(n_bits, bit_buffer);
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}
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#define CLIENT_CACHE_VERSION_CODE 47241113
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void GameConnection::saveDatablockCache(bool on_server)
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{
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InfiniteBitStream bit_stream;
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BitStream* bstream = 0;
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if (on_server)
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{
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SimDataBlockGroup *g = Sim::getDataBlockGroup();
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// find the first one we haven't sent:
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U32 i, groupCount = g->size();
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S32 key = this->getDataBlockModifiedKey();
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for (i = 0; i < groupCount; i++)
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if (((SimDataBlock*)(*g)[i])->getModifiedKey() > key)
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break;
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// nothing to save
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if (i == groupCount)
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return;
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bstream = &bit_stream;
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for (;i < groupCount; i++)
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{
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SimDataBlock* obj = (SimDataBlock*)(*g)[i];
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GameConnection* gc = this;
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NetConnection* conn = this;
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SimObjectId id = obj->getId();
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if (bstream->writeFlag(gc->getDataBlockModifiedKey() < obj->getModifiedKey())) // A - flag
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{
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if (obj->getModifiedKey() > gc->getMaxDataBlockModifiedKey())
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gc->setMaxDataBlockModifiedKey(obj->getModifiedKey());
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bstream->writeInt(id - DataBlockObjectIdFirst,DataBlockObjectIdBitSize); // B - int
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S32 classId = obj->getClassId(conn->getNetClassGroup());
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bstream->writeClassId(classId, NetClassTypeDataBlock, conn->getNetClassGroup()); // C - id
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bstream->writeInt(i, DataBlockObjectIdBitSize); // D - int
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bstream->writeInt(groupCount, DataBlockObjectIdBitSize + 1); // E - int
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obj->packData(bstream);
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}
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}
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}
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else
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{
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bstream = client_db_stream;
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}
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if (bstream->getPosition() <= 0)
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return;
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// zero out any leftover bits short of an even byte count
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U32 n_leftover_bits = (bstream->getPosition()*8) - bstream->getCurPos();
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if (n_leftover_bits >= 0 && n_leftover_bits <= 8)
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{
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// note - an unusual problem regarding setCurPos() results when there
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// are no leftover bytes. Adding a buffer byte in this case avoids the problem.
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if (n_leftover_bits == 0)
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n_leftover_bits = 8;
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U8 bzero = 0;
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bstream->writeBits(n_leftover_bits, &bzero);
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}
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// this is where we actually save the file
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const char* filename = (on_server) ? server_cache_filename : client_cache_filename;
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if (filename && filename[0] != '\0')
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{
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FileStream* f_stream;
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if((f_stream = FileStream::createAndOpen(filename, Torque::FS::File::Write )) == NULL)
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{
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Con::printf("Failed to open file '%s'.", filename);
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return;
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}
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U32 save_sz = bstream->getPosition();
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if (!on_server)
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{
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f_stream->write((U32)CLIENT_CACHE_VERSION_CODE);
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f_stream->write(save_sz);
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f_stream->write(server_cache_CRC);
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f_stream->write((U32)CLIENT_CACHE_VERSION_CODE);
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}
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f_stream->write(save_sz, bstream->getBuffer());
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// zero out any leftover bytes short of a 4-byte multiple
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while ((save_sz % 4) != 0)
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{
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f_stream->write((U8)0);
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save_sz++;
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}
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delete f_stream;
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}
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if (!on_server)
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client_db_stream->clear();
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}
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static bool afx_saved_db_cache = false;
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static U32 afx_saved_db_cache_CRC = 0xffffffff;
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void GameConnection::resetDatablockCache()
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{
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afx_saved_db_cache = false;
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afx_saved_db_cache_CRC = 0xffffffff;
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}
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ConsoleFunction(resetDatablockCache, void, 1, 1, "resetDatablockCache()")
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{
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GameConnection::resetDatablockCache();
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}
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ConsoleFunction(isDatablockCacheSaved, bool, 1, 1, "resetDatablockCache()")
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{
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return afx_saved_db_cache;
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}
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ConsoleFunction(getDatablockCacheCRC, S32, 1, 1, "getDatablockCacheCRC()")
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{
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return (S32)afx_saved_db_cache_CRC;
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}
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ConsoleFunction(extractDatablockCacheCRC, S32, 2, 2, "extractDatablockCacheCRC(filename)")
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{
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FileStream f_stream;
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const char* fileName = argv[1];
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if(!f_stream.open(fileName, Torque::FS::File::Read))
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{
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Con::errorf("Failed to open file '%s'.", fileName);
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return -1;
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}
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U32 stream_sz = f_stream.getStreamSize();
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if (stream_sz < 4*32)
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{
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Con::errorf("File '%s' is not a valid datablock cache.", fileName);
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f_stream.close();
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return -1;
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}
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U32 pre_code; f_stream.read(&pre_code);
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U32 save_sz; f_stream.read(&save_sz);
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U32 crc_code; f_stream.read(&crc_code);
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U32 post_code; f_stream.read(&post_code);
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f_stream.close();
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if (pre_code != post_code)
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{
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Con::errorf("File '%s' is not a valid datablock cache.", fileName);
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return -1;
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}
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if (pre_code != (U32)CLIENT_CACHE_VERSION_CODE)
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{
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Con::errorf("Version of datablock cache file '%s' does not match version of running software.", fileName);
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return -1;
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}
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return (S32)crc_code;
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}
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ConsoleFunction(setDatablockCacheCRC, void, 2, 2, "setDatablockCacheCRC(crc)")
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{
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GameConnection *conn = GameConnection::getConnectionToServer();
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if(!conn)
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return;
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U32 crc_u = (U32)dAtoi(argv[1]);
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conn->setServerCacheCRC(crc_u);
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}
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ConsoleMethod( GameConnection, saveDatablockCache, void, 2, 2, "saveDatablockCache()")
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{
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if (GameConnection::serverCacheEnabled() && !afx_saved_db_cache)
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{
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// Save the datablocks to a cache file. An argument
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// of true indicates that this is a server save.
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object->saveDatablockCache(true);
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afx_saved_db_cache = true;
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afx_saved_db_cache_CRC = 0xffffffff;
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static char filename_buffer[1024];
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String filename(Torque::Path::CleanSeparators(object->serverCacheFilename()));
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Con::expandScriptFilename(filename_buffer, sizeof(filename_buffer), filename.c_str());
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Torque::Path givenPath(Torque::Path::CompressPath(filename_buffer));
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Torque::FS::FileNodeRef fileRef = Torque::FS::GetFileNode(givenPath);
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if ( fileRef == NULL )
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Con::errorf("saveDatablockCache() failed to get CRC for file '%s'.", filename.c_str());
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else
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afx_saved_db_cache_CRC = (S32)fileRef->getChecksum();
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}
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}
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ConsoleMethod( GameConnection, loadDatablockCache, void, 2, 2, "loadDatablockCache()")
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{
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if (GameConnection::clientCacheEnabled())
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{
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object->loadDatablockCache();
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}
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}
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ConsoleMethod( GameConnection, loadDatablockCache_Begin, bool, 2, 2, "loadDatablockCache_Begin()")
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{
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if (GameConnection::clientCacheEnabled())
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{
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return object->loadDatablockCache_Begin();
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}
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return false;
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}
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ConsoleMethod( GameConnection, loadDatablockCache_Continue, bool, 2, 2, "loadDatablockCache_Continue()")
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{
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if (GameConnection::clientCacheEnabled())
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{
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return object->loadDatablockCache_Continue();
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}
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return false;
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}
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static char* afx_db_load_buf = 0;
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static U32 afx_db_load_buf_sz = 0;
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static BitStream* afx_db_load_bstream = 0;
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void GameConnection::loadDatablockCache()
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{
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if (!loadDatablockCache_Begin())
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return;
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while (loadDatablockCache_Continue())
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;
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}
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bool GameConnection::loadDatablockCache_Begin()
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{
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if (!client_cache_filename || client_cache_filename[0] == '\0')
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{
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Con::errorf("No filename was specified for the client datablock cache.");
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return false;
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}
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// open cache file
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FileStream f_stream;
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if(!f_stream.open(client_cache_filename, Torque::FS::File::Read))
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{
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Con::errorf("Failed to open file '%s'.", client_cache_filename);
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return false;
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}
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// get file size
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U32 stream_sz = f_stream.getStreamSize();
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if (stream_sz <= 4*4)
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{
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Con::errorf("File '%s' is too small to be a valid datablock cache.", client_cache_filename);
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f_stream.close();
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return false;
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}
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// load header data
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U32 pre_code; f_stream.read(&pre_code);
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U32 save_sz; f_stream.read(&save_sz);
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U32 crc_code; f_stream.read(&crc_code);
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U32 post_code; f_stream.read(&post_code);
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// validate header info
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if (pre_code != post_code)
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{
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Con::errorf("File '%s' is not a valid datablock cache.", client_cache_filename);
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f_stream.close();
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return false;
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}
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if (pre_code != (U32)CLIENT_CACHE_VERSION_CODE)
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{
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Con::errorf("Version of datablock cache file '%s' does not match version of running software.", client_cache_filename);
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f_stream.close();
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return false;
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}
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// allocated the in-memory buffer
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afx_db_load_buf_sz = stream_sz - (4*4);
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afx_db_load_buf = new char[afx_db_load_buf_sz];
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// load data from file into memory
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if (!f_stream.read(stream_sz, afx_db_load_buf))
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{
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Con::errorf("Failed to read data from file '%s'.", client_cache_filename);
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f_stream.close();
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delete [] afx_db_load_buf;
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afx_db_load_buf = 0;
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afx_db_load_buf_sz = 0;
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return false;
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}
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// close file
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f_stream.close();
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// At this point we have the whole cache in memory
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// create a bitstream from the in-memory buffer
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afx_db_load_bstream = new BitStream(afx_db_load_buf, afx_db_load_buf_sz);
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return true;
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}
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bool GameConnection::loadDatablockCache_Continue()
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{
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if (!afx_db_load_bstream)
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return false;
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// prevent repacking of datablocks during load
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BitStream* save_client_db_stream = client_db_stream;
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client_db_stream = 0;
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bool all_finished = false;
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// loop through at most 16 datablocks
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BitStream *bstream = afx_db_load_bstream;
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for (S32 i = 0; i < 16; i++)
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{
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S32 save_pos = bstream->getCurPos();
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if (!bstream->readFlag())
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{
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all_finished = true;
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break;
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}
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bstream->setCurPos(save_pos);
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SimDataBlockEvent evt;
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evt.unpack(this, bstream);
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evt.process(this);
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}
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client_db_stream = save_client_db_stream;
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if (all_finished)
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{
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delete afx_db_load_bstream;
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afx_db_load_bstream = 0;
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delete [] afx_db_load_buf;
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afx_db_load_buf = 0;
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afx_db_load_buf_sz = 0;
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||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -20,6 +20,11 @@
|
|||
// IN THE SOFTWARE.
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
|
||||
// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
|
||||
// Copyright (C) 2015 Faust Logic, Inc.
|
||||
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
|
||||
|
||||
#ifndef _GAMECONNECTION_H_
|
||||
#define _GAMECONNECTION_H_
|
||||
|
||||
|
|
@ -55,6 +60,14 @@ class MoveList;
|
|||
struct Move;
|
||||
struct AuthInfo;
|
||||
|
||||
// To disable datablock caching, remove or comment out the AFX_CAP_DATABLOCK_CACHE define below.
|
||||
// Also, at a minimum, the following script preferences should be set to false:
|
||||
// $pref::Client::EnableDatablockCache = false; (in arcane.fx/client/defaults.cs)
|
||||
// $Pref::Server::EnableDatablockCache = false; (in arcane.fx/server/defaults.cs)
|
||||
// Alternatively, all script code marked with "DATABLOCK CACHE CODE" can be removed or
|
||||
// commented out.
|
||||
//
|
||||
#define AFX_CAP_DATABLOCK_CACHE
|
||||
const F32 MinCameraFov = 1.f; ///< min camera FOV
|
||||
const F32 MaxCameraFov = 179.f; ///< max camera FOV
|
||||
|
||||
|
|
@ -372,6 +385,31 @@ protected:
|
|||
DECLARE_CALLBACK( void, setLagIcon, (bool state) );
|
||||
DECLARE_CALLBACK( void, onDataBlocksDone, (U32 sequence) );
|
||||
DECLARE_CALLBACK( void, onFlash, (bool state) );
|
||||
|
||||
#ifdef AFX_CAP_DATABLOCK_CACHE
|
||||
private:
|
||||
static StringTableEntry server_cache_filename;
|
||||
static StringTableEntry client_cache_filename;
|
||||
static bool server_cache_on;
|
||||
static bool client_cache_on;
|
||||
BitStream* client_db_stream;
|
||||
U32 server_cache_CRC;
|
||||
public:
|
||||
void repackClientDatablock(BitStream*, S32 start_pos);
|
||||
void saveDatablockCache(bool on_server);
|
||||
void loadDatablockCache();
|
||||
bool loadDatablockCache_Begin();
|
||||
bool loadDatablockCache_Continue();
|
||||
void tempDisableStringBuffering(BitStream* bs) const;
|
||||
void restoreStringBuffering(BitStream* bs) const;
|
||||
void setServerCacheCRC(U32 crc) { server_cache_CRC = crc; }
|
||||
|
||||
static void resetDatablockCache();
|
||||
static bool serverCacheEnabled() { return server_cache_on; }
|
||||
static bool clientCacheEnabled() { return client_cache_on; }
|
||||
static const char* serverCacheFilename() { return server_cache_filename; }
|
||||
static const char* clientCacheFilename() { return client_cache_filename; }
|
||||
#endif
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -20,6 +20,11 @@
|
|||
// IN THE SOFTWARE.
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
|
||||
// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
|
||||
// Copyright (C) 2015 Faust Logic, Inc.
|
||||
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
|
||||
|
||||
#include "platform/platform.h"
|
||||
#include "core/dnet.h"
|
||||
#include "core/stream/bitStream.h"
|
||||
|
|
@ -136,6 +141,9 @@ void SimDataBlockEvent::notifyDelivered(NetConnection *conn, bool )
|
|||
|
||||
void SimDataBlockEvent::pack(NetConnection *conn, BitStream *bstream)
|
||||
{
|
||||
#ifdef AFX_CAP_DATABLOCK_CACHE
|
||||
((GameConnection *)conn)->tempDisableStringBuffering(bstream);
|
||||
#endif
|
||||
SimDataBlock* obj;
|
||||
Sim::findObject(id,obj);
|
||||
GameConnection *gc = (GameConnection *) conn;
|
||||
|
|
@ -157,10 +165,18 @@ void SimDataBlockEvent::pack(NetConnection *conn, BitStream *bstream)
|
|||
bstream->writeInt(classId ^ DebugChecksum, 32);
|
||||
#endif
|
||||
}
|
||||
#ifdef AFX_CAP_DATABLOCK_CACHE
|
||||
((GameConnection *)conn)->restoreStringBuffering(bstream);
|
||||
#endif
|
||||
}
|
||||
|
||||
void SimDataBlockEvent::unpack(NetConnection *cptr, BitStream *bstream)
|
||||
{
|
||||
#ifdef AFX_CAP_DATABLOCK_CACHE
|
||||
// stash the stream position prior to unpacking
|
||||
S32 start_pos = bstream->getCurPos();
|
||||
((GameConnection *)cptr)->tempDisableStringBuffering(bstream);
|
||||
#endif
|
||||
if(bstream->readFlag())
|
||||
{
|
||||
mProcess = true;
|
||||
|
|
@ -215,6 +231,11 @@ void SimDataBlockEvent::unpack(NetConnection *cptr, BitStream *bstream)
|
|||
#endif
|
||||
|
||||
}
|
||||
#ifdef AFX_CAP_DATABLOCK_CACHE
|
||||
// rewind to stream position and then process raw bytes for caching
|
||||
((GameConnection *)cptr)->repackClientDatablock(bstream, start_pos);
|
||||
((GameConnection *)cptr)->restoreStringBuffering(bstream);
|
||||
#endif
|
||||
}
|
||||
|
||||
void SimDataBlockEvent::write(NetConnection *cptr, BitStream *bstream)
|
||||
|
|
|
|||
Loading…
Reference in a new issue