summaryrefslogtreecommitdiffstats
path: root/source/WorldStorage/WSSAnvil.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'source/WorldStorage/WSSAnvil.cpp')
-rw-r--r--source/WorldStorage/WSSAnvil.cpp1556
1 files changed, 0 insertions, 1556 deletions
diff --git a/source/WorldStorage/WSSAnvil.cpp b/source/WorldStorage/WSSAnvil.cpp
deleted file mode 100644
index 4db1ed106..000000000
--- a/source/WorldStorage/WSSAnvil.cpp
+++ /dev/null
@@ -1,1556 +0,0 @@
-
-// WSSAnvil.cpp
-
-// Implements the cWSSAnvil class representing the Anvil world storage scheme
-
-#include "Globals.h"
-#include "WSSAnvil.h"
-#include "NBTChunkSerializer.h"
-#include "../World.h"
-#include "zlib.h"
-#include "../BlockID.h"
-#include "../BlockEntities/ChestEntity.h"
-#include "../BlockEntities/DispenserEntity.h"
-#include "../BlockEntities/DropperEntity.h"
-#include "../BlockEntities/FurnaceEntity.h"
-#include "../BlockEntities/HopperEntity.h"
-#include "../BlockEntities/JukeboxEntity.h"
-#include "../BlockEntities/NoteEntity.h"
-#include "../BlockEntities/SignEntity.h"
-#include "../Item.h"
-#include "../ItemGrid.h"
-#include "../StringCompression.h"
-#include "../OSSupport/MakeDir.h"
-#include "FastNBT.h"
-#include "../Mobs/Monster.h"
-#include "../Entities/Boat.h"
-#include "../Entities/FallingBlock.h"
-#include "../Entities/Minecart.h"
-#include "../Entities/Pickup.h"
-#include "../Entities/ProjectileEntity.h"
-
-
-
-
-
-/** If defined, the BlockSkyLight values will be copied over to BlockLight upon chunk saving,
-thus making skylight visible in Minutor's Lighting mode
-*/
-// #define DEBUG_SKYLIGHT
-
-/** Maximum number of MCA files that are cached in memory.
-Since only the header is actually in the memory, this number can be high, but still, each file means an OS FS handle.
-*/
-#define MAX_MCA_FILES 32
-
-/// The maximum size of an inflated chunk; raw chunk data is 192 KiB, allow 64 KiB more of entities
-#define CHUNK_INFLATE_MAX 256 KiB
-
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSAnvil:
-
-cWSSAnvil::cWSSAnvil(cWorld * a_World) :
- super(a_World)
-{
- // Create a level.dat file for mapping tools, if it doesn't already exist:
- AString fnam;
- Printf(fnam, "%s/level.dat", a_World->GetName().c_str());
- if (!cFile::Exists(fnam))
- {
- cFastNBTWriter Writer;
- Writer.BeginCompound("");
- Writer.AddInt("SpawnX", (int)(a_World->GetSpawnX()));
- Writer.AddInt("SpawnY", (int)(a_World->GetSpawnY()));
- Writer.AddInt("SpawnZ", (int)(a_World->GetSpawnZ()));
- Writer.EndCompound();
- Writer.Finish();
-
- #ifdef _DEBUG
- cParsedNBT TestParse(Writer.GetResult().data(), Writer.GetResult().size());
- ASSERT(TestParse.IsValid());
- #endif // _DEBUG
-
- gzFile gz = gzopen((FILE_IO_PREFIX + fnam).c_str(), "wb");
- if (gz != NULL)
- {
- gzwrite(gz, Writer.GetResult().data(), Writer.GetResult().size());
- }
- gzclose(gz);
- }
-}
-
-
-
-
-
-cWSSAnvil::~cWSSAnvil()
-{
- cCSLock Lock(m_CS);
- for (cMCAFiles::iterator itr = m_Files.begin(); itr != m_Files.end(); ++itr)
- {
- delete *itr;
- } // for itr - m_Files[]
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunk(const cChunkCoords & a_Chunk)
-{
- AString ChunkData;
- if (!GetChunkData(a_Chunk, ChunkData))
- {
- // The reason for failure is already printed in GetChunkData()
- return false;
- }
-
- return LoadChunkFromData(a_Chunk, ChunkData);
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunk(const cChunkCoords & a_Chunk)
-{
- AString ChunkData;
- if (!SaveChunkToData(a_Chunk, ChunkData))
- {
- LOGWARNING("Cannot serialize chunk [%d, %d] into data", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
- return false;
- }
- if (!SetChunkData(a_Chunk, ChunkData))
- {
- LOGWARNING("Cannot store chunk [%d, %d] data", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
- return false;
- }
-
- // Everything successful
- return true;
-}
-
-
-
-
-
-bool cWSSAnvil::GetChunkData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
- cCSLock Lock(m_CS);
- cMCAFile * File = LoadMCAFile(a_Chunk);
- if (File == NULL)
- {
- return false;
- }
- return File->GetChunkData(a_Chunk, a_Data);
-}
-
-
-
-
-
-bool cWSSAnvil::SetChunkData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
- cCSLock Lock(m_CS);
- cMCAFile * File = LoadMCAFile(a_Chunk);
- if (File == NULL)
- {
- return false;
- }
- return File->SetChunkData(a_Chunk, a_Data);
-}
-
-
-
-
-
-cWSSAnvil::cMCAFile * cWSSAnvil::LoadMCAFile(const cChunkCoords & a_Chunk)
-{
- // ASSUME m_CS is locked
- ASSERT(m_CS.IsLocked());
-
- const int RegionX = FAST_FLOOR_DIV(a_Chunk.m_ChunkX, 32);
- const int RegionZ = FAST_FLOOR_DIV(a_Chunk.m_ChunkZ, 32);
- ASSERT(a_Chunk.m_ChunkX - RegionX * 32 >= 0);
- ASSERT(a_Chunk.m_ChunkZ - RegionZ * 32 >= 0);
- ASSERT(a_Chunk.m_ChunkX - RegionX * 32 < 32);
- ASSERT(a_Chunk.m_ChunkZ - RegionZ * 32 < 32);
-
- // Is it already cached?
- for (cMCAFiles::iterator itr = m_Files.begin(); itr != m_Files.end(); ++itr)
- {
- if (((*itr) != NULL) && ((*itr)->GetRegionX() == RegionX) && ((*itr)->GetRegionZ() == RegionZ))
- {
- // Move the file to front and return it:
- cMCAFile * f = *itr;
- if (itr != m_Files.begin())
- {
- m_Files.erase(itr);
- m_Files.push_front(f);
- }
- return f;
- }
- }
-
- // Load it anew:
- AString FileName;
- Printf(FileName, "%s/region", m_World->GetName().c_str());
- cMakeDir::MakeDir(FileName);
- AppendPrintf(FileName, "/r.%d.%d.mca", RegionX, RegionZ);
- cMCAFile * f = new cMCAFile(FileName, RegionX, RegionZ);
- if (f == NULL)
- {
- return NULL;
- }
- m_Files.push_front(f);
-
- // If there are too many MCA files cached, delete the last one used:
- if (m_Files.size() > MAX_MCA_FILES)
- {
- delete m_Files.back();
- m_Files.pop_back();
- }
- return f;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunkFromData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
- // Decompress the data:
- char Uncompressed[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 *)Uncompressed;
- strm.avail_out = sizeof(Uncompressed);
- strm.next_in = (Bytef *)a_Data.data();
- strm.avail_in = a_Data.size();
- int res = inflate(&strm, Z_FINISH);
- inflateEnd(&strm);
- if (res != Z_STREAM_END)
- {
- return false;
- }
-
- // Parse the NBT data:
- cParsedNBT NBT(Uncompressed, strm.total_out);
- if (!NBT.IsValid())
- {
- // NBT Parsing failed
- return false;
- }
-
- // Load the data from NBT:
- return LoadChunkFromNBT(a_Chunk, NBT);
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunkToData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
- cFastNBTWriter Writer;
- if (!SaveChunkToNBT(a_Chunk, Writer))
- {
- LOGWARNING("Cannot save chunk [%d, %d] to NBT", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
- return false;
- }
- Writer.Finish();
-
- CompressString(Writer.GetResult().data(), Writer.GetResult().size(), a_Data);
- return true;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT & a_NBT)
-{
- // The data arrays, in MCA-native y/z/x ordering (will be reordered for the final chunk data)
- cChunkDef::BlockTypes BlockTypes;
- cChunkDef::BlockNibbles MetaData;
- cChunkDef::BlockNibbles BlockLight;
- cChunkDef::BlockNibbles SkyLight;
-
- memset(BlockTypes, E_BLOCK_AIR, sizeof(BlockTypes));
- memset(MetaData, 0, sizeof(MetaData));
- memset(SkyLight, 0xff, sizeof(SkyLight)); // By default, data not present in the NBT means air, which means full skylight
- memset(BlockLight, 0x00, sizeof(BlockLight));
-
- // Load the blockdata, blocklight and skylight:
- int Level = a_NBT.FindChildByName(0, "Level");
- if (Level < 0)
- {
- return false;
- }
- int Sections = a_NBT.FindChildByName(Level, "Sections");
- if ((Sections < 0) || (a_NBT.GetType(Sections) != TAG_List) || (a_NBT.GetChildrenType(Sections) != TAG_Compound))
- {
- return false;
- }
- for (int Child = a_NBT.GetFirstChild(Sections); Child >= 0; Child = a_NBT.GetNextSibling(Child))
- {
- int y = 0;
- int SectionY = a_NBT.FindChildByName(Child, "Y");
- if ((SectionY < 0) || (a_NBT.GetType(SectionY) != TAG_Byte))
- {
- continue;
- }
- y = a_NBT.GetByte(SectionY);
- if ((y < 0) || (y > 15))
- {
- continue;
- }
- CopyNBTData(a_NBT, Child, "Blocks", (char *)&(BlockTypes[y * 4096]), 4096);
- CopyNBTData(a_NBT, Child, "Data", (char *)&(MetaData[y * 2048]), 2048);
- CopyNBTData(a_NBT, Child, "SkyLight", (char *)&(SkyLight[y * 2048]), 2048);
- CopyNBTData(a_NBT, Child, "BlockLight", (char *)&(BlockLight[y * 2048]), 2048);
- } // for itr - LevelSections[]
-
- // Load the biomes from NBT, if present and valid. First try MCS-style, then Vanilla-style:
- cChunkDef::BiomeMap BiomeMap;
- cChunkDef::BiomeMap * Biomes = LoadBiomeMapFromNBT(&BiomeMap, a_NBT, a_NBT.FindChildByName(Level, "MCSBiomes"));
- if (Biomes == NULL)
- {
- // MCS-style biomes not available, load vanilla-style:
- Biomes = LoadVanillaBiomeMapFromNBT(&BiomeMap, a_NBT, a_NBT.FindChildByName(Level, "Biomes"));
- }
-
- // Load the entities from NBT:
- cEntityList Entities;
- cBlockEntityList BlockEntities;
- LoadEntitiesFromNBT (Entities, a_NBT, a_NBT.FindChildByName(Level, "Entities"));
- LoadBlockEntitiesFromNBT(BlockEntities, a_NBT, a_NBT.FindChildByName(Level, "TileEntities"), BlockTypes, MetaData);
-
- bool IsLightValid = (a_NBT.FindChildByName(Level, "MCSIsLightValid") > 0);
-
- /*
- // Uncomment this block for really cool stuff :)
- // DEBUG magic: Invert the underground, so that we can see the MC generator in action :)
- bool ShouldInvert[cChunkDef::Width * cChunkDef::Width];
- memset(ShouldInvert, 0, sizeof(ShouldInvert));
- for (int y = cChunkDef::Height - 1; y >= 0; y--)
- {
- for (int x = 0; x < cChunkDef::Width; x++) for (int z = 0; z < cChunkDef::Width; z++)
- {
- int Index = cChunkDef::MakeIndexNoCheck(x, y, z);
- if (ShouldInvert[x + cChunkDef::Width * z])
- {
- BlockTypes[Index] = (BlockTypes[Index] == E_BLOCK_AIR) ? E_BLOCK_STONE : E_BLOCK_AIR;
- }
- else
- {
- switch (BlockTypes[Index])
- {
- case E_BLOCK_AIR:
- case E_BLOCK_LEAVES:
- {
- // nothing needed
- break;
- }
- default:
- {
- ShouldInvert[x + cChunkDef::Width * z] = true;
- }
- }
- BlockTypes[Index] = E_BLOCK_AIR;
- }
- }
- } // for y
- //*/
-
- m_World->SetChunkData(
- a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ,
- BlockTypes, MetaData,
- IsLightValid ? BlockLight : NULL,
- IsLightValid ? SkyLight : NULL,
- NULL, Biomes,
- Entities, BlockEntities,
- false
- );
- return true;
-}
-
-
-
-
-void cWSSAnvil::CopyNBTData(const cParsedNBT & a_NBT, int a_Tag, const AString & a_ChildName, char * a_Destination, int a_Length)
-{
- int Child = a_NBT.FindChildByName(a_Tag, a_ChildName);
- if ((Child >= 0) && (a_NBT.GetType(Child) == TAG_ByteArray) && (a_NBT.GetDataLength(Child) == a_Length))
- {
- memcpy(a_Destination, a_NBT.GetData(Child), a_Length);
- }
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunkToNBT(const cChunkCoords & a_Chunk, cFastNBTWriter & a_Writer)
-{
- a_Writer.BeginCompound("Level");
- a_Writer.AddInt("xPos", a_Chunk.m_ChunkX);
- a_Writer.AddInt("zPos", a_Chunk.m_ChunkZ);
- cNBTChunkSerializer Serializer(a_Writer);
- if (!m_World->GetChunkData(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, Serializer))
- {
- LOGWARNING("Cannot get chunk [%d, %d] data for NBT saving", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
- return false;
- }
- Serializer.Finish(); // Close NBT tags
-
- // Save biomes, both MCS (IntArray) and MC-vanilla (ByteArray):
- if (Serializer.m_BiomesAreValid)
- {
- a_Writer.AddByteArray("Biomes", (const char *)(Serializer.m_VanillaBiomes), ARRAYCOUNT(Serializer.m_VanillaBiomes));
- a_Writer.AddIntArray ("MCSBiomes", (const int *)(Serializer.m_Biomes), ARRAYCOUNT(Serializer.m_Biomes));
- }
-
- // Save blockdata:
- a_Writer.BeginList("Sections", TAG_Compound);
- int SliceSizeBlock = cChunkDef::Width * cChunkDef::Width * 16;
- int SliceSizeNibble = SliceSizeBlock / 2;
- const char * BlockTypes = (const char *)(Serializer.m_BlockTypes);
- const char * BlockMetas = (const char *)(Serializer.m_BlockMetas);
- #ifdef DEBUG_SKYLIGHT
- const char * BlockLight = (const char *)(Serializer.m_BlockSkyLight);
- #else
- const char * BlockLight = (const char *)(Serializer.m_BlockLight);
- #endif
- const char * BlockSkyLight = (const char *)(Serializer.m_BlockSkyLight);
- for (int Y = 0; Y < 16; Y++)
- {
- a_Writer.BeginCompound("");
- a_Writer.AddByteArray("Blocks", BlockTypes + Y * SliceSizeBlock, SliceSizeBlock);
- a_Writer.AddByteArray("Data", BlockMetas + Y * SliceSizeNibble, SliceSizeNibble);
- a_Writer.AddByteArray("SkyLight", BlockSkyLight + Y * SliceSizeNibble, SliceSizeNibble);
- a_Writer.AddByteArray("BlockLight", BlockLight + Y * SliceSizeNibble, SliceSizeNibble);
- a_Writer.AddByte("Y", (unsigned char)Y);
- a_Writer.EndCompound();
- }
- a_Writer.EndList(); // "Sections"
-
- // Store the information that the lighting is valid.
- // For compatibility reason, the default is "invalid" (missing) - this means older data is re-lighted upon loading.
- if (Serializer.IsLightValid())
- {
- a_Writer.AddByte("MCSIsLightValid", 1);
- }
-
- a_Writer.EndCompound(); // "Level"
- return true;
-}
-
-
-
-
-
-cChunkDef::BiomeMap * cWSSAnvil::LoadVanillaBiomeMapFromNBT(cChunkDef::BiomeMap * a_BiomeMap, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_ByteArray))
- {
- return NULL;
- }
- if (a_NBT.GetDataLength(a_TagIdx) != 16 * 16)
- {
- // The biomes stored don't match in size
- return NULL;
- }
- const unsigned char * VanillaBiomeData = (const unsigned char *)(a_NBT.GetData(a_TagIdx));
- for (int i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
- {
- if ((VanillaBiomeData)[i] == 0xff)
- {
- // Unassigned biomes
- return NULL;
- }
- (*a_BiomeMap)[i] = (EMCSBiome)(VanillaBiomeData[i]);
- }
- return a_BiomeMap;
-}
-
-
-
-
-
-cChunkDef::BiomeMap * cWSSAnvil::LoadBiomeMapFromNBT(cChunkDef::BiomeMap * a_BiomeMap, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_IntArray))
- {
- return NULL;
- }
- if (a_NBT.GetDataLength(a_TagIdx) != sizeof(*a_BiomeMap))
- {
- // The biomes stored don't match in size
- return NULL;
- }
- const int * BiomeData = (const int *)(a_NBT.GetData(a_TagIdx));
- for (int i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
- {
- (*a_BiomeMap)[i] = (EMCSBiome)(ntohl(BiomeData[i]));
- if ((*a_BiomeMap)[i] == 0xff)
- {
- // Unassigned biomes
- return NULL;
- }
- }
- return a_BiomeMap;
-}
-
-
-
-
-
-void cWSSAnvil::LoadEntitiesFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_List))
- {
- return;
- }
-
- for (int Child = a_NBT.GetFirstChild(a_TagIdx); Child != -1; Child = a_NBT.GetNextSibling(Child))
- {
- if (a_NBT.GetType(Child) != TAG_Compound)
- {
- continue;
- }
- int sID = a_NBT.FindChildByName(Child, "id");
- if (sID < 0)
- {
- continue;
- }
- LoadEntityFromNBT(a_Entities, a_NBT, Child, a_NBT.GetData(sID), a_NBT.GetDataLength(sID));
- } // for Child - a_NBT[]
-}
-
-
-
-
-
-void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx, BLOCKTYPE * a_BlockTypes, NIBBLETYPE * a_BlockMetas)
-{
- if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_List))
- {
- return;
- }
-
- for (int Child = a_NBT.GetFirstChild(a_TagIdx); Child != -1; Child = a_NBT.GetNextSibling(Child))
- {
- if (a_NBT.GetType(Child) != TAG_Compound)
- {
- continue;
- }
- int sID = a_NBT.FindChildByName(Child, "id");
- if (sID < 0)
- {
- continue;
- }
- if (strncmp(a_NBT.GetData(sID), "Chest", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadChestFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "Dropper", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadDropperFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "Furnace", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadFurnaceFromNBT(a_BlockEntities, a_NBT, Child, a_BlockTypes, a_BlockMetas);
- }
- else if (strncmp(a_NBT.GetData(sID), "Hopper", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadHopperFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "Music", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadNoteFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "RecordPlayer", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadJukeboxFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "Sign", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadSignFromNBT(a_BlockEntities, a_NBT, Child);
- }
- else if (strncmp(a_NBT.GetData(sID), "Trap", a_NBT.GetDataLength(sID)) == 0)
- {
- LoadDispenserFromNBT(a_BlockEntities, a_NBT, Child);
- }
- // TODO: Other block entities
- } // for Child - tag children
-}
-
-
-
-
-
-bool cWSSAnvil::LoadItemFromNBT(cItem & a_Item, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- int ID = a_NBT.FindChildByName(a_TagIdx, "id");
- if ((ID < 0) || (a_NBT.GetType(ID) != TAG_Short))
- {
- return false;
- }
- a_Item.m_ItemType = (ENUM_ITEM_ID)(a_NBT.GetShort(ID));
-
- int Damage = a_NBT.FindChildByName(a_TagIdx, "Damage");
- if ((Damage < 0) || (a_NBT.GetType(Damage) != TAG_Short))
- {
- return false;
- }
- a_Item.m_ItemDamage = a_NBT.GetShort(Damage);
-
- int Count = a_NBT.FindChildByName(a_TagIdx, "Count");
- if ((Count < 0) || (a_NBT.GetType(Count) != TAG_Byte))
- {
- return false;
- }
- a_Item.m_ItemCount = a_NBT.GetByte(Count);
-
- // Find the "tag" tag, used for enchantments and other extra data
- int TagTag = a_NBT.FindChildByName(a_TagIdx, "tag");
- if (TagTag <= 0)
- {
- // No extra data
- return true;
- }
-
- // Load enchantments:
- const char * EnchName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
- int EnchTag = a_NBT.FindChildByName(TagTag, EnchName);
- if (EnchTag > 0)
- {
- a_Item.m_Enchantments.ParseFromNBT(a_NBT, EnchTag);
- }
-
- return true;
-}
-
-
-
-
-
-void cWSSAnvil::LoadItemGridFromNBT(cItemGrid & a_ItemGrid, const cParsedNBT & a_NBT, int a_ItemsTagIdx, int a_SlotOffset)
-{
- int NumSlots = a_ItemGrid.GetNumSlots();
- for (int Child = a_NBT.GetFirstChild(a_ItemsTagIdx); Child != -1; Child = a_NBT.GetNextSibling(Child))
- {
- int SlotTag = a_NBT.FindChildByName(Child, "Slot");
- if ((SlotTag < 0) || (a_NBT.GetType(SlotTag) != TAG_Byte))
- {
- continue;
- }
- int SlotNum = (int)(a_NBT.GetByte(SlotTag)) - a_SlotOffset;
- if ((SlotNum < 0) || (SlotNum >= NumSlots))
- {
- // SlotNum outside of the range
- continue;
- }
- cItem Item;
- if (LoadItemFromNBT(Item, a_NBT, Child))
- {
- a_ItemGrid.SetSlot(SlotNum, Item);
- }
- } // for itr - ItemDefs[]
-}
-
-
-
-
-
-void cWSSAnvil::LoadChestFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty chest - the chunk loader will provide an empty cChestEntity for this
- }
- std::auto_ptr<cChestEntity> Chest(new cChestEntity(x, y, z, m_World));
- LoadItemGridFromNBT(Chest->GetContents(), a_NBT, Items);
- a_BlockEntities.push_back(Chest.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadDispenserFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty dispenser - the chunk loader will provide an empty cDispenserEntity for this
- }
- std::auto_ptr<cDispenserEntity> Dispenser(new cDispenserEntity(x, y, z, m_World));
- LoadItemGridFromNBT(Dispenser->GetContents(), a_NBT, Items);
- a_BlockEntities.push_back(Dispenser.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadDropperFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty dropper - the chunk loader will provide an empty cDropperEntity for this
- }
- std::auto_ptr<cDropperEntity> Dropper(new cDropperEntity(x, y, z, m_World));
- LoadItemGridFromNBT(Dropper->GetContents(), a_NBT, Items);
- a_BlockEntities.push_back(Dropper.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx, BLOCKTYPE * a_BlockTypes, NIBBLETYPE * a_BlockMetas)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty furnace - the chunk loader will provide an empty cFurnaceEntity for this
- }
-
- // Convert coords to relative:
- int RelX = x;
- int RelZ = z;
- int ChunkX, ChunkZ;
- cChunkDef::AbsoluteToRelative(RelX, y, RelZ, ChunkX, ChunkZ);
-
- // Create the furnace entity, with proper BlockType and BlockMeta info:
- BLOCKTYPE BlockType = cChunkDef::GetBlock(a_BlockTypes, RelX, y, RelZ);
- NIBBLETYPE BlockMeta = cChunkDef::GetNibble(a_BlockMetas, RelX, y, RelZ);
- std::auto_ptr<cFurnaceEntity> Furnace(new cFurnaceEntity(x, y, z, BlockType, BlockMeta, m_World));
-
- // Load slots:
- for (int Child = a_NBT.GetFirstChild(Items); Child != -1; Child = a_NBT.GetNextSibling(Child))
- {
- int Slot = a_NBT.FindChildByName(Child, "Slot");
- if ((Slot < 0) || (a_NBT.GetType(Slot) != TAG_Byte))
- {
- continue;
- }
- cItem Item;
- if (LoadItemFromNBT(Item, a_NBT, Child))
- {
- Furnace->SetSlot(a_NBT.GetByte(Slot), Item);
- }
- } // for itr - ItemDefs[]
-
- // Load burn time:
- int BurnTime = a_NBT.FindChildByName(a_TagIdx, "BurnTime");
- if (BurnTime >= 0)
- {
- Int16 bt = a_NBT.GetShort(BurnTime);
- // Anvil doesn't store the time that the fuel can burn. We simply "reset" the current value to be the 100%
- Furnace->SetBurnTimes(bt, 0);
- }
-
- // Load cook time:
- int CookTime = a_NBT.FindChildByName(a_TagIdx, "CookTime");
- if (CookTime >= 0)
- {
- Int16 ct = a_NBT.GetShort(CookTime);
- // Anvil doesn't store the time that an item takes to cook. We simply use the default - 10 seconds (200 ticks)
- Furnace->SetCookTimes(200, ct);
- }
-
- // Restart cooking:
- Furnace->ContinueCooking();
- a_BlockEntities.push_back(Furnace.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadHopperFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty hopper - the chunk loader will provide an empty cHopperEntity for this
- }
- std::auto_ptr<cHopperEntity> Hopper(new cHopperEntity(x, y, z, m_World));
- LoadItemGridFromNBT(Hopper->GetContents(), a_NBT, Items);
- a_BlockEntities.push_back(Hopper.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadJukeboxFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- std::auto_ptr<cJukeboxEntity> Jukebox(new cJukeboxEntity(x, y, z, m_World));
- int Record = a_NBT.FindChildByName(a_TagIdx, "Record");
- if (Record >= 0)
- {
- Jukebox->SetRecord(a_NBT.GetInt(Record));
- }
- a_BlockEntities.push_back(Jukebox.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadNoteFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- std::auto_ptr<cNoteEntity> Note(new cNoteEntity(x, y, z, m_World));
- int note = a_NBT.FindChildByName(a_TagIdx, "note");
- if (note >= 0)
- {
- Note->SetPitch(a_NBT.GetByte(note));
- }
- a_BlockEntities.push_back(Note.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadSignFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
- int x, y, z;
- if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
- {
- return;
- }
- std::auto_ptr<cSignEntity> Sign(new cSignEntity(E_BLOCK_SIGN_POST, x, y, z, m_World));
-
- int currentLine = a_NBT.FindChildByName(a_TagIdx, "Text1");
- if (currentLine >= 0)
- {
- Sign->SetLine(0, a_NBT.GetString(currentLine));
- }
-
- currentLine = a_NBT.FindChildByName(a_TagIdx, "Text2");
- if (currentLine >= 0)
- {
- Sign->SetLine(1, a_NBT.GetString(currentLine));
- }
-
- currentLine = a_NBT.FindChildByName(a_TagIdx, "Text3");
- if (currentLine >= 0)
- {
- Sign->SetLine(2, a_NBT.GetString(currentLine));
- }
-
- currentLine = a_NBT.FindChildByName(a_TagIdx, "Text4");
- if (currentLine >= 0)
- {
- Sign->SetLine(3, a_NBT.GetString(currentLine));
- }
-
- a_BlockEntities.push_back(Sign.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadEntityFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_EntityTagIdx, const char * a_IDTag, int a_IDTagLength)
-{
- if (strncmp(a_IDTag, "Boat", a_IDTagLength) == 0)
- {
- LoadBoatFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "FallingBlock", a_IDTagLength) == 0)
- {
- LoadFallingBlockFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Minecart", a_IDTagLength) == 0)
- {
- // It is a minecart, old style, find out the type:
- int TypeTag = a_NBT.FindChildByName(a_EntityTagIdx, "Type");
- if ((TypeTag < 0) || (a_NBT.GetType(TypeTag) != TAG_Int))
- {
- return;
- }
- switch (a_NBT.GetInt(TypeTag))
- {
- case 0: LoadMinecartRFromNBT(a_Entities, a_NBT, a_EntityTagIdx); break; // Rideable minecart
- case 1: LoadMinecartCFromNBT(a_Entities, a_NBT, a_EntityTagIdx); break; // Minecart with chest
- case 2: LoadMinecartFFromNBT(a_Entities, a_NBT, a_EntityTagIdx); break; // Minecart with furnace
- case 3: LoadMinecartTFromNBT(a_Entities, a_NBT, a_EntityTagIdx); break; // Minecart with TNT
- case 4: LoadMinecartHFromNBT(a_Entities, a_NBT, a_EntityTagIdx); break; // Minecart with Hopper
- }
- }
- else if (strncmp(a_IDTag, "MinecartRideable", a_IDTagLength) == 0)
- {
- LoadMinecartRFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "MinecartChest", a_IDTagLength) == 0)
- {
- LoadMinecartCFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "MinecartFurnace", a_IDTagLength) == 0)
- {
- LoadMinecartFFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "MinecartTNT", a_IDTagLength) == 0)
- {
- LoadMinecartTFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "MinecartHopper", a_IDTagLength) == 0)
- {
- LoadMinecartHFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Item", a_IDTagLength) == 0)
- {
- LoadPickupFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Arrow", a_IDTagLength) == 0)
- {
- LoadArrowFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Snowball", a_IDTagLength) == 0)
- {
- LoadSnowballFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Egg", a_IDTagLength) == 0)
- {
- LoadEggFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "Fireball", a_IDTagLength) == 0)
- {
- LoadFireballFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "SmallFireball", a_IDTagLength) == 0)
- {
- LoadFireChargeFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- else if (strncmp(a_IDTag, "ThrownEnderpearl", a_IDTagLength) == 0)
- {
- LoadThrownEnderpearlFromNBT(a_Entities, a_NBT, a_EntityTagIdx);
- }
- // TODO: other entities
-}
-
-
-
-
-
-void cWSSAnvil::LoadBoatFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cBoat> Boat(new cBoat(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Boat.get(), a_NBT, a_TagIdx))
- {
- return;
- }
- a_Entities.push_back(Boat.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadFallingBlockFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- // TODO
-}
-
-
-
-
-
-void cWSSAnvil::LoadMinecartRFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cEmptyMinecart> Minecart(new cEmptyMinecart(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Minecart.get(), a_NBT, a_TagIdx))
- {
- return;
- }
- a_Entities.push_back(Minecart.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadMinecartCFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
- if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
- {
- return; // Make it an empty chest - the chunk loader will provide an empty cChestEntity for this
- }
- std::auto_ptr<cMinecartWithChest> Minecart(new cMinecartWithChest(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Minecart.get(), a_NBT, a_TagIdx))
- {
- return;
- }
- for (int Child = a_NBT.GetFirstChild(Items); Child != -1; Child = a_NBT.GetNextSibling(Child))
- {
- int Slot = a_NBT.FindChildByName(Child, "Slot");
- if ((Slot < 0) || (a_NBT.GetType(Slot) != TAG_Byte))
- {
- continue;
- }
- cItem Item;
- if (LoadItemFromNBT(Item, a_NBT, Child))
- {
- Minecart->SetSlot(a_NBT.GetByte(Slot), Item);
- }
- } // for itr - ItemDefs[]
- a_Entities.push_back(Minecart.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadMinecartFFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cMinecartWithFurnace> Minecart(new cMinecartWithFurnace(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Minecart.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // TODO: Load the Push and Fuel tags
-
- a_Entities.push_back(Minecart.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadMinecartTFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cMinecartWithTNT> Minecart(new cMinecartWithTNT(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Minecart.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // TODO: Everything to do with TNT carts
-
- a_Entities.push_back(Minecart.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadMinecartHFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cMinecartWithHopper> Minecart(new cMinecartWithHopper(0, 0, 0));
- if (!LoadEntityBaseFromNBT(*Minecart.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // TODO: Everything to do with hopper carts
-
- a_Entities.push_back(Minecart.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadPickupFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- int ItemTag = a_NBT.FindChildByName(a_TagIdx, "Item");
- if ((ItemTag < 0) || (a_NBT.GetType(ItemTag) != TAG_Compound))
- {
- return;
- }
- cItem Item;
- if (!LoadItemFromNBT(Item, a_NBT, ItemTag))
- {
- return;
- }
- std::auto_ptr<cPickup> Pickup(new cPickup(0, 0, 0, Item));
- if (!LoadEntityBaseFromNBT(*Pickup.get(), a_NBT, a_TagIdx))
- {
- return;
- }
- a_Entities.push_back(Pickup.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadArrowFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cArrowEntity> Arrow(new cArrowEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*Arrow.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Load pickup state:
- int PickupIdx = a_NBT.FindChildByName(a_TagIdx, "pickup");
- if (PickupIdx > 0)
- {
- Arrow->SetPickupState((cArrowEntity::ePickupState)a_NBT.GetByte(PickupIdx));
- }
- else
- {
- // Try the older "player" tag:
- int PlayerIdx = a_NBT.FindChildByName(a_TagIdx, "player");
- if (PlayerIdx > 0)
- {
- Arrow->SetPickupState((a_NBT.GetByte(PlayerIdx) == 0) ? cArrowEntity::psNoPickup : cArrowEntity::psInSurvivalOrCreative);
- }
- }
-
- // Load damage:
- int DamageIdx = a_NBT.FindChildByName(a_TagIdx, "damage");
- if (DamageIdx > 0)
- {
- Arrow->SetDamageCoeff(a_NBT.GetDouble(DamageIdx));
- }
-
- // Store the new arrow in the entities list:
- a_Entities.push_back(Arrow.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadSnowballFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cThrownSnowballEntity> Snowball(new cThrownSnowballEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*Snowball.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Store the new snowball in the entities list:
- a_Entities.push_back(Snowball.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadEggFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cThrownEggEntity> Egg(new cThrownEggEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*Egg.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Store the new egg in the entities list:
- a_Entities.push_back(Egg.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadFireballFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cGhastFireballEntity> Fireball(new cGhastFireballEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*Fireball.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Store the new fireball in the entities list:
- a_Entities.push_back(Fireball.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadFireChargeFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cFireChargeEntity> FireCharge(new cFireChargeEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*FireCharge.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Store the new FireCharge in the entities list:
- a_Entities.push_back(FireCharge.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadThrownEnderpearlFromNBT(cEntityList & a_Entities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- std::auto_ptr<cThrownEnderPearlEntity> Enderpearl(new cThrownEnderPearlEntity(NULL, 0, 0, 0, Vector3d(0, 0, 0)));
- if (!LoadProjectileBaseFromNBT(*Enderpearl.get(), a_NBT, a_TagIdx))
- {
- return;
- }
-
- // Store the new enderpearl in the entities list:
- a_Entities.push_back(Enderpearl.release());
-}
-
-
-
-
-
-bool cWSSAnvil::LoadEntityBaseFromNBT(cEntity & a_Entity, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- double Pos[3];
- if (!LoadDoublesListFromNBT(Pos, 3, a_NBT, a_NBT.FindChildByName(a_TagIdx, "Pos")))
- {
- return false;
- }
- a_Entity.SetPosition(Pos[0], Pos[1], Pos[2]);
-
- double Speed[3];
- if (!LoadDoublesListFromNBT(Speed, 3, a_NBT, a_NBT.FindChildByName(a_TagIdx, "Motion")))
- {
- return false;
- }
- a_Entity.SetSpeed(Speed[0], Speed[1], Speed[2]);
-
- double Rotation[3];
- if (!LoadDoublesListFromNBT(Rotation, 2, a_NBT, a_NBT.FindChildByName(a_TagIdx, "Rotation")))
- {
- return false;
- }
- a_Entity.SetRotation(Rotation[0]);
- a_Entity.SetRoll (Rotation[1]);
-
- return true;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadProjectileBaseFromNBT(cProjectileEntity & a_Entity, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- if (!LoadEntityBaseFromNBT(a_Entity, a_NBT, a_TagIdx))
- {
- return false;
- }
-
- bool IsInGround = false;
- int InGroundIdx = a_NBT.FindChildByName(a_TagIdx, "inGround");
- if (InGroundIdx > 0)
- {
- IsInGround = (a_NBT.GetByte(InGroundIdx) != 0);
- }
- a_Entity.SetIsInGround(IsInGround);
-
- // TODO: Load inTile, TileCoords
-
- return true;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadDoublesListFromNBT(double * a_Doubles, int a_NumDoubles, const cParsedNBT & a_NBT, int a_TagIdx)
-{
- if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_List) || (a_NBT.GetChildrenType(a_TagIdx) != TAG_Double))
- {
- return false;
- }
- int idx = 0;
- for (int Tag = a_NBT.GetFirstChild(a_TagIdx); (Tag > 0) && (idx < a_NumDoubles); Tag = a_NBT.GetNextSibling(Tag), ++idx)
- {
- a_Doubles[idx] = a_NBT.GetDouble(Tag);
- } // for Tag - PosTag[]
- return (idx == a_NumDoubles); // Did we read enough doubles?
-}
-
-
-
-
-
-bool cWSSAnvil::GetBlockEntityNBTPos(const cParsedNBT & a_NBT, int a_TagIdx, int & a_X, int & a_Y, int & a_Z)
-{
- int x = a_NBT.FindChildByName(a_TagIdx, "x");
- if ((x < 0) || (a_NBT.GetType(x) != TAG_Int))
- {
- return false;
- }
- int y = a_NBT.FindChildByName(a_TagIdx, "y");
- if ((y < 0) || (a_NBT.GetType(y) != TAG_Int))
- {
- return false;
- }
- int z = a_NBT.FindChildByName(a_TagIdx, "z");
- if ((z < 0) || (a_NBT.GetType(z) != TAG_Int))
- {
- return false;
- }
- a_X = a_NBT.GetInt(x);
- a_Y = a_NBT.GetInt(y);
- a_Z = a_NBT.GetInt(z);
- return true;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSAnvil::cMCAFile:
-
-cWSSAnvil::cMCAFile::cMCAFile(const AString & a_FileName, int a_RegionX, int a_RegionZ) :
- m_RegionX(a_RegionX),
- m_RegionZ(a_RegionZ),
- m_FileName(a_FileName)
-{
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::OpenFile(bool a_IsForReading)
-{
- if (m_File.IsOpen())
- {
- // Already open
- return true;
- }
-
- if (a_IsForReading)
- {
- if (!cFile::Exists(m_FileName))
- {
- // We want to read and the file doesn't exist. Fail.
- return false;
- }
- }
-
- if (!m_File.Open(m_FileName, cFile::fmReadWrite))
- {
- // The file failed to open
- return false;
- }
-
- // Load the header:
- if (m_File.Read(m_Header, sizeof(m_Header)) != sizeof(m_Header))
- {
- // Cannot read the header - perhaps the file has just been created?
- // Try writing a NULL header (both chunk offsets and timestamps):
- memset(m_Header, 0, sizeof(m_Header));
- if (
- (m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header)) || // Real header - chunk offsets
- (m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header)) // Bogus data for the chunk timestamps
- )
- {
- LOGWARNING("Cannot process MCA header in file \"%s\", chunks in that file will be lost", m_FileName.c_str());
- m_File.Close();
- return false;
- }
- }
- return true;
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
- if (!OpenFile(true))
- {
- return false;
- }
-
- int LocalX = a_Chunk.m_ChunkX % 32;
- if (LocalX < 0)
- {
- LocalX = 32 + LocalX;
- }
- int LocalZ = a_Chunk.m_ChunkZ % 32;
- if (LocalZ < 0)
- {
- LocalZ = 32 + LocalZ;
- }
- unsigned ChunkLocation = ntohl(m_Header[LocalX + 32 * LocalZ]);
- unsigned ChunkOffset = ChunkLocation >> 8;
-
- m_File.Seek(ChunkOffset * 4096);
-
- int ChunkSize = 0;
- if (m_File.Read(&ChunkSize, 4) != 4)
- {
- return false;
- }
- ChunkSize = ntohl(ChunkSize);
- char CompressionType = 0;
- if (m_File.Read(&CompressionType, 1) != 1)
- {
- return false;
- }
- if (CompressionType != 2)
- {
- // Chunk is in an unknown compression
- return false;
- }
- ChunkSize--;
-
- // HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
- a_Data.assign(ChunkSize, '\0');
- return (m_File.Read((void *)a_Data.data(), ChunkSize) == ChunkSize);
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
- if (!OpenFile(false))
- {
- LOGWARNING("Cannot save chunk [%d, %d], opening file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
-
- int LocalX = a_Chunk.m_ChunkX % 32;
- if (LocalX < 0)
- {
- LocalX = 32 + LocalX;
- }
- int LocalZ = a_Chunk.m_ChunkZ % 32;
- if (LocalZ < 0)
- {
- LocalZ = 32 + LocalZ;
- }
-
- unsigned ChunkSector = FindFreeLocation(LocalX, LocalZ, a_Data);
-
- // Store the chunk data:
- m_File.Seek(ChunkSector * 4096);
- unsigned ChunkSize = htonl(a_Data.size() + 1);
- if (m_File.Write(&ChunkSize, 4) != 4)
- {
- LOGWARNING("Cannot save chunk [%d, %d], writing(1) data to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
- char CompressionType = 2;
- if (m_File.Write(&CompressionType, 1) != 1)
- {
- LOGWARNING("Cannot save chunk [%d, %d], writing(2) data to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
- if (m_File.Write(a_Data.data(), a_Data.size()) != (int)(a_Data.size()))
- {
- LOGWARNING("Cannot save chunk [%d, %d], writing(3) data to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
-
- // Store the header:
- ChunkSize = (a_Data.size() + MCA_CHUNK_HEADER_LENGTH + 4095) / 4096; // Round data size *up* to nearest 4KB sector, make it a sector number
- ASSERT(ChunkSize < 256);
- m_Header[LocalX + 32 * LocalZ] = htonl((ChunkSector << 8) | ChunkSize);
- if (m_File.Seek(0) < 0)
- {
- LOGWARNING("Cannot save chunk [%d, %d], seeking in file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
- if (m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header))
- {
- LOGWARNING("Cannot save chunk [%d, %d], writing header to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
- return false;
- }
-
- return true;
-}
-
-
-
-
-
-unsigned cWSSAnvil::cMCAFile::FindFreeLocation(int a_LocalX, int a_LocalZ, const AString & a_Data)
-{
- // See if it fits the current location:
- unsigned ChunkLocation = ntohl(m_Header[a_LocalX + 32 * a_LocalZ]);
- unsigned ChunkLen = ChunkLocation & 0xff;
- if (a_Data.size() + MCA_CHUNK_HEADER_LENGTH <= (ChunkLen * 4096))
- {
- return ChunkLocation >> 8;
- }
-
- // Doesn't fit, append to the end of file (we're wasting a lot of space, TODO: fix this later)
- unsigned MaxLocation = 2 << 8; // Minimum sector is #2 - after the headers
- for (int i = 0; i < ARRAYCOUNT(m_Header); i++)
- {
- ChunkLocation = ntohl(m_Header[i]);
- ChunkLocation = ChunkLocation + ((ChunkLocation & 0xff) << 8); // Add the number of sectors used; don't care about the 4th byte
- if (MaxLocation < ChunkLocation)
- {
- MaxLocation = ChunkLocation;
- }
- } // for i - m_Header[]
- return MaxLocation >> 8;
-}
-
-
-
-