diff options
Diffstat (limited to 'AnvilStats/Processor.cpp')
| -rw-r--r-- | AnvilStats/Processor.cpp | 579 |
1 files changed, 0 insertions, 579 deletions
diff --git a/AnvilStats/Processor.cpp b/AnvilStats/Processor.cpp deleted file mode 100644 index 07fb8be3f..000000000 --- a/AnvilStats/Processor.cpp +++ /dev/null @@ -1,579 +0,0 @@ -
-// Processor.cpp
-
-// Implements the cProcessor class representing the overall processor engine that manages threads, calls callbacks etc.
-
-#include "Globals.h"
-#include "Processor.h"
-#include "Callback.h"
-#include "../source/WorldStorage/FastNBT.h"
-#include "zlib.h"
-#include "Utils.h"
-
-
-
-
-
-const int CHUNK_INFLATE_MAX = 1 MiB;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cProcessor::cThread:
-
-cProcessor::cThread::cThread(cCallback & a_Callback, cProcessor & a_ParentProcessor) :
- super("cProcessor::cThread"),
- m_Callback(a_Callback),
- m_ParentProcessor(a_ParentProcessor)
-{
- super::Start();
-}
-
-
-
-
-
-void cProcessor::cThread::Execute(void)
-{
- LOG("Started a new thread: %d", cIsThread::GetCurrentID());
-
- m_ParentProcessor.m_ThreadsHaveStarted.Set();
-
- for (;;)
- {
- AString FileName = m_ParentProcessor.GetOneFileName();
- if (FileName.empty())
- {
- // All done, terminate the thread
- break;
- }
- ProcessFile(FileName);
- } // for-ever
-
- LOG("Thread %d terminated", cIsThread::GetCurrentID());
-}
-
-
-
-
-
-void cProcessor::cThread::ProcessFile(const AString & a_FileName)
-{
- LOG("Processing file \"%s\"", a_FileName.c_str());
-
- size_t idx = a_FileName.rfind("r.");
- if (idx == AString::npos)
- {
- LOG("Cannot parse filename \"%s\", skipping file.", a_FileName.c_str());
- return;
- }
- int RegionX = 0, RegionZ = 0;
- if (sscanf_s(a_FileName.c_str() + idx, "r.%d.%d.mca", &RegionX, &RegionZ) != 2)
- {
- LOG("Cannot parse filename \"%s\" into coords, skipping file.", a_FileName.c_str());
- return;
- }
-
- cFile f;
- if (!f.Open(a_FileName, cFile::fmRead))
- {
- LOG("Cannot open file \"%s\", skipping file.", a_FileName.c_str());
- return;
- }
-
- AString FileContents;
- f.ReadRestOfFile(FileContents);
- if (FileContents.size() < sizeof(8 KiB))
- {
- LOG("Cannot read header in file \"%s\", skipping file.", a_FileName.c_str());
- return;
- }
-
- ProcessFileData(FileContents.data(), FileContents.size(), RegionX * 32, RegionZ * 32);
-}
-
-
-
-
-
-void cProcessor::cThread::ProcessFileData(const char * a_FileData, size_t a_Size, int a_ChunkBaseX, int a_ChunkBaseZ)
-{
- int Header[2048];
- int * HeaderPtr = (int *)a_FileData;
- for (int i = 0; i < ARRAYCOUNT(Header); i++)
- {
- Header[i] = ntohl(HeaderPtr[i]);
- }
-
- for (int i = 0; i < 1024; i++)
- {
- unsigned Location = Header[i];
- unsigned Timestamp = Header[i + 1024];
- if (
- ((Location == 0) && (Timestamp == 0)) || // Official docs' "not present"
- (Location >> 8 < 2) || // Logical - no chunk can start inside the header
- ((Location & 0xff) == 0) || // Logical - no chunk can be zero bytes
- ((Location >> 8) * 4096 > a_Size) // Logical - no chunk can start at beyond the file end
- )
- {
- // Chunk not present in the file
- continue;
- }
- int ChunkX = a_ChunkBaseX + (i % 32);
- int ChunkZ = a_ChunkBaseZ + (i / 32);
- if (m_Callback.OnNewChunk(ChunkX, ChunkZ))
- {
- continue;
- }
- ProcessChunk(a_FileData, ChunkX, ChunkZ, Location >> 8, Location & 0xff, Timestamp);
- } // for i - chunk index
-}
-
-
-
-
-
-void cProcessor::cThread::ProcessChunk(const char * a_FileData, int a_ChunkX, int a_ChunkZ, unsigned a_SectorStart, unsigned a_SectorSize, unsigned a_TimeStamp)
-{
- if (m_Callback.OnHeader(a_SectorStart * 4096, a_SectorSize, a_TimeStamp))
- {
- return;
- }
-
- const char * ChunkStart = a_FileData + a_SectorStart * 4096;
- int ByteSize = ntohl(*(int *)ChunkStart);
- char CompressionMethod = ChunkStart[4];
-
- if (m_Callback.OnCompressedDataSizePos(ByteSize, a_SectorStart * 4096 + 5, CompressionMethod))
- {
- return;
- }
-
- ProcessCompressedChunkData(a_ChunkX, a_ChunkZ, ChunkStart + 5, ByteSize);
-}
-
-
-
-
-
-void cProcessor::cThread::ProcessCompressedChunkData(int a_ChunkX, int a_ChunkZ, const char * a_CompressedData, int a_CompressedSize)
-{
- char Decompressed[CHUNK_INFLATE_MAX];
- z_stream strm;
- strm.zalloc = (alloc_func)NULL;
- strm.zfree = (free_func)NULL;
- strm.opaque = NULL;
- inflateInit(&strm);
- strm.next_out = (Bytef *)Decompressed;
- strm.avail_out = sizeof(Decompressed);
- strm.next_in = (Bytef *)a_CompressedData;
- strm.avail_in = a_CompressedSize;
- int res = inflate(&strm, Z_FINISH);
- inflateEnd(&strm);
- if (res != Z_STREAM_END)
- {
- LOG("Decompression failed, skipping chunk [%d, %d]", a_ChunkX, a_ChunkZ);
- return;
- }
-
- if (m_Callback.OnDecompressedData(Decompressed, strm.total_out))
- {
- return;
- }
-
- // Parse the NBT data:
- cParsedNBT NBT(Decompressed, strm.total_out);
- if (!NBT.IsValid())
- {
- LOG("NBT Parsing failed, skipping chunk [%d, %d]", a_ChunkX, a_ChunkZ);
- return;
- }
-
- ProcessParsedChunkData(a_ChunkX, a_ChunkZ, NBT);
-}
-
-
-
-
-
-void cProcessor::cThread::ProcessParsedChunkData(int a_ChunkX, int a_ChunkZ, cParsedNBT & a_NBT)
-{
- int LevelTag = a_NBT.FindChildByName(0, "Level");
- if (LevelTag < 0)
- {
- LOG("Bad logical structure of the NBT, skipping chunk [%d, %d].", a_ChunkX, a_ChunkZ);
- return;
- }
- int XPosTag = a_NBT.FindChildByName(LevelTag, "xPos");
- int ZPosTag = a_NBT.FindChildByName(LevelTag, "zPos");
- if ((XPosTag < 0) || (ZPosTag < 0))
- {
- LOG("Pos tags missing in NTB, skipping chunk [%d, %d].", a_ChunkX, a_ChunkZ);
- return;
- }
- if (m_Callback.OnRealCoords(a_NBT.GetInt(XPosTag), a_NBT.GetInt(ZPosTag)))
- {
- return;
- }
-
- int LastUpdateTag = a_NBT.FindChildByName(LevelTag, "LastUpdate");
- if (LastUpdateTag > 0)
- {
- if (m_Callback.OnLastUpdate(a_NBT.GetLong(LastUpdateTag)))
- {
- return;
- }
- }
-
- int TerrainPopulatedTag = a_NBT.FindChildByName(LevelTag, "TerrainPopulated");
- bool TerrainPopulated = (TerrainPopulatedTag < 0) ? false : (a_NBT.GetByte(TerrainPopulatedTag) != 0);
- if (m_Callback.OnTerrainPopulated(TerrainPopulated))
- {
- return;
- }
-
- int BiomesTag = a_NBT.FindChildByName(LevelTag, "Biomes");
- if (BiomesTag > 0)
- {
- if (m_Callback.OnBiomes((const unsigned char *)(a_NBT.GetData(BiomesTag))))
- {
- return;
- }
- }
-
- int HeightMapTag = a_NBT.FindChildByName(LevelTag, "HeightMap");
- if (HeightMapTag > 0)
- {
- if (m_Callback.OnHeightMap((const int *)(a_NBT.GetData(HeightMapTag))))
- {
- return;
- }
- }
-
- if (ProcessChunkSections(a_ChunkX, a_ChunkZ, a_NBT, LevelTag))
- {
- return;
- }
-
- if (ProcessChunkEntities(a_ChunkX, a_ChunkZ, a_NBT, LevelTag))
- {
- return;
- }
-
- if (ProcessChunkTileEntities(a_ChunkX, a_ChunkZ, a_NBT, LevelTag))
- {
- return;
- }
-
- if (ProcessChunkTileTicks(a_ChunkX, a_ChunkZ, a_NBT, LevelTag))
- {
- return;
- }
-}
-
-
-
-
-
-bool cProcessor::cThread::ProcessChunkSections(int a_ChunkX, int a_ChunkZ, cParsedNBT & a_NBT, int a_LevelTag)
-{
- int Sections = a_NBT.FindChildByName(a_LevelTag, "Sections");
- if (Sections < 0)
- {
- return false;
- }
-
- bool SectionProcessed[16];
- memset(SectionProcessed, 0, sizeof(SectionProcessed));
- for (int Tag = a_NBT.GetFirstChild(Sections); Tag > 0; Tag = a_NBT.GetNextSibling(Tag))
- {
- int YTag = a_NBT.FindChildByName(Tag, "Y");
- int BlocksTag = a_NBT.FindChildByName(Tag, "Blocks");
- int AddTag = a_NBT.FindChildByName(Tag, "Add");
- int DataTag = a_NBT.FindChildByName(Tag, "Data");
- int BlockLightTag = a_NBT.FindChildByName(Tag, "BlockLightTag");
- int SkyLightTag = a_NBT.FindChildByName(Tag, "SkyLight");
-
- if ((YTag < 0) || (BlocksTag < 0) || (DataTag < 0))
- {
- continue;
- }
-
- unsigned char SectionY = a_NBT.GetByte(YTag);
- if (SectionY >= 16)
- {
- LOG("WARNING: Section Y >= 16 (%d), high world, wtf? Skipping section!", SectionY);
- continue;
- }
- if (m_Callback.OnSection(
- SectionY,
- (const BLOCKTYPE *) (a_NBT.GetData(BlocksTag)),
- (AddTag > 0) ? (const NIBBLETYPE *)(a_NBT.GetData(AddTag)) : NULL,
- (const NIBBLETYPE *)(a_NBT.GetData(DataTag)),
- (BlockLightTag > 0) ? (const NIBBLETYPE *)(a_NBT.GetData(BlockLightTag)) : NULL,
- (BlockLightTag > 0) ? (const NIBBLETYPE *)(a_NBT.GetData(BlockLightTag)) : NULL
- ))
- {
- return true;
- }
- SectionProcessed[SectionY] = true;
- } // for Tag - Sections[]
-
- // Call the callback for empty sections:
- for (unsigned char y = 0; y < 16; y++)
- {
- if (!SectionProcessed[y])
- {
- if (m_Callback.OnEmptySection(y))
- {
- return true;
- }
- }
- }
-
- if (m_Callback.OnSectionsFinished())
- {
- return true;
- }
-
- return false;
-}
-
-
-
-
-
-bool cProcessor::cThread::ProcessChunkEntities(int a_ChunkX, int a_ChunkZ, cParsedNBT & a_NBT, int a_LevelTag)
-{
- int EntitiesTag = a_NBT.FindChildByName(a_LevelTag, "Entities");
- if (EntitiesTag < 0)
- {
- return false;
- }
-
- for (int EntityTag = a_NBT.GetFirstChild(EntitiesTag); EntityTag > 0; EntityTag = a_NBT.GetNextSibling(EntityTag))
- {
- int PosTag = a_NBT.FindChildByName(EntityTag, "Pos");
- if (PosTag < 0)
- {
- continue;
- }
- int SpeedTag = a_NBT.FindChildByName(EntityTag, "Motion");
- if (SpeedTag < 0)
- {
- continue;
- }
- int RotTag = a_NBT.FindChildByName(EntityTag, "Rotation");
- if (RotTag < 0)
- {
- continue;
- }
- double Pos[3];
- for (int i = 0, tag = a_NBT.GetFirstChild(PosTag); (i < 3) && (tag > 0); i++)
- {
- Pos[i] = a_NBT.GetDouble(tag);
- }
- double Speed[3];
- for (int i = 0, tag = a_NBT.GetFirstChild(SpeedTag); (i < 3) && (tag > 0); i++)
- {
- Speed[i] = a_NBT.GetDouble(tag);
- }
- float Rot[2];
- for (int i = 0, tag = a_NBT.GetFirstChild(RotTag); (i < 2) && (tag > 0); i++)
- {
- Rot[i] = a_NBT.GetFloat(tag);
- }
-
- if (m_Callback.OnEntity(
- a_NBT.GetString(a_NBT.FindChildByName(EntityTag, "id")),
- Pos[0], Pos[1], Pos[2],
- Speed[0], Speed[1], Speed[2],
- Rot[0], Rot[1],
- a_NBT.GetFloat(a_NBT.FindChildByName(EntityTag, "FallDistance")),
- a_NBT.GetShort(a_NBT.FindChildByName(EntityTag, "Fire")),
- a_NBT.GetShort(a_NBT.FindChildByName(EntityTag, "Air")),
- a_NBT.GetByte(a_NBT.FindChildByName(EntityTag, "OnGround")),
- a_NBT, EntityTag
- ))
- {
- return true;
- }
- } // for EntityTag - Entities[]
- return false;
-}
-
-
-
-
-
-bool cProcessor::cThread::ProcessChunkTileEntities(int a_ChunkX, int a_ChunkZ, cParsedNBT & a_NBT, int a_LevelTag)
-{
- int TileEntitiesTag = a_NBT.FindChildByName(a_LevelTag, "TileEntities");
- if (TileEntitiesTag < 0)
- {
- return false;
- }
-
- for (int TileEntityTag = a_NBT.GetFirstChild(TileEntitiesTag); TileEntityTag > 0; TileEntityTag = a_NBT.GetNextSibling(TileEntityTag))
- {
- if (m_Callback.OnTileEntity(
- a_NBT.GetString(a_NBT.FindChildByName(TileEntityTag, "id")),
- a_NBT.GetInt(a_NBT.FindChildByName(TileEntityTag, "x")),
- a_NBT.GetInt(a_NBT.FindChildByName(TileEntityTag, "y")),
- a_NBT.GetInt(a_NBT.FindChildByName(TileEntityTag, "z")),
- a_NBT, TileEntityTag
- ))
- {
- return true;
- }
- } // for EntityTag - Entities[]
- return false;
-}
-
-
-
-
-
-bool cProcessor::cThread::ProcessChunkTileTicks(int a_ChunkX, int a_ChunkZ, cParsedNBT & a_NBT, int a_LevelTag)
-{
- int TileTicksTag = a_NBT.FindChildByName(a_LevelTag, "TileTicks");
- if (TileTicksTag < 0)
- {
- return false;
- }
-
- for (int TileTickTag = a_NBT.GetFirstChild(TileTicksTag); TileTickTag > 0; TileTickTag = a_NBT.GetNextSibling(TileTickTag))
- {
- int iTag = a_NBT.FindChildByName(TileTicksTag, "i");
- int tTag = a_NBT.FindChildByName(TileTicksTag, "t");
- int xTag = a_NBT.FindChildByName(TileTicksTag, "x");
- int yTag = a_NBT.FindChildByName(TileTicksTag, "y");
- int zTag = a_NBT.FindChildByName(TileTicksTag, "z");
- if ((iTag < 0) || (tTag < 0) || (xTag < 0) || (yTag < 0) || (zTag < 0))
- {
- continue;
- }
- if (m_Callback.OnTileTick(
- a_NBT.GetInt(iTag),
- a_NBT.GetInt(iTag),
- a_NBT.GetInt(iTag),
- a_NBT.GetInt(iTag),
- a_NBT.GetInt(iTag)
- ))
- {
- return true;
- }
- } // for EntityTag - Entities[]
- return false;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cProcessor:
-
-cProcessor::cProcessor(void) :
- m_IsShuttingDown(false)
-{
-}
-
-
-
-
-
-cProcessor::~cProcessor()
-{
-}
-
-
-
-
-
-void cProcessor::ProcessWorld(const AString & a_WorldFolder, cCallbackFactory & a_CallbackFactory)
-{
- PopulateFileQueue(a_WorldFolder);
-
- if (m_FileQueue.empty())
- {
- LOG("No files to process, exitting.");
- return;
- }
-
- // Start as many threads as there are cores, plus one:
- // (One more thread can be in the file-read IO block while all other threads crunch the numbers)
- int NumThreads = GetNumCores() + 1;
-
- /*
- // Limit the number of threads in DEBUG mode to 1 for easier debugging
- #ifdef _DEBUG
- NumThreads = 1;
- #endif // _DEBUG
- //*/
-
- for (int i = 0; i < NumThreads; i++)
- {
- cCallback * Callback = a_CallbackFactory.GetNewCallback();
- m_Threads.push_back(new cThread(*Callback, *this));
- }
-
- // Wait for the first thread to start processing:
- m_ThreadsHaveStarted.Wait();
-
- // Wait for all threads to finish
- // simply by calling each thread's destructor sequentially
- LOG("Waiting for threads to finish");
- for (cThreads::iterator itr = m_Threads.begin(), end = m_Threads.end(); itr != end; ++itr)
- {
- delete *itr;
- } // for itr - m_Threads[]
- LOG("Processor finished");
-}
-
-
-
-
-
-void cProcessor::PopulateFileQueue(const AString & a_WorldFolder)
-{
- LOG("Processing world in \"%s\"...", a_WorldFolder.c_str());
-
- AString Path = a_WorldFolder;
- if (!Path.empty() && (Path[Path.length() - 1] != cFile::PathSeparator))
- {
- Path.push_back(cFile::PathSeparator);
- }
- AStringList AllFiles = GetDirectoryContents(Path.c_str());
- for (AStringList::iterator itr = AllFiles.begin(), end = AllFiles.end(); itr != end; ++itr)
- {
- if (itr->rfind(".mca") != itr->length() - 4)
- {
- // Not a .mca file
- continue;
- }
- m_FileQueue.push_back(Path + *itr);
- } // for itr - AllFiles[]
-}
-
-
-
-
-
-AString cProcessor::GetOneFileName(void)
-{
- cCSLock Lock(m_CS);
- if (m_FileQueue.empty())
- {
- return "";
- }
- AString res = m_FileQueue.back();
- m_FileQueue.pop_back();
- return res;
-}
-
-
-
-
|