diff options
Diffstat (limited to 'src/WorldStorage/WSSAnvil.cpp')
| -rw-r--r-- | src/WorldStorage/WSSAnvil.cpp | 490 |
1 files changed, 270 insertions, 220 deletions
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp index a9c9ae4b5..239f4a155 100644 --- a/src/WorldStorage/WSSAnvil.cpp +++ b/src/WorldStorage/WSSAnvil.cpp @@ -66,8 +66,17 @@ Since only the header is actually in the memory, this number can be high, but st */ #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 +#define LOAD_FAILED(CHX, CHZ) \ + { \ + const int RegionX = FAST_FLOOR_DIV(CHX, 32); \ + const int RegionZ = FAST_FLOOR_DIV(CHZ, 32); \ + LOGERROR("%s (%d): Loading chunk [%d, %d] from file r.%d.%d.mca failed. " \ + "The server will now abort in order to avoid further data loss. " \ + "Please add the reported file and this message to the issue report.", \ + __FUNCTION__, __LINE__, CHX, CHZ, RegionX, RegionZ \ + ); \ + *((volatile int *)0) = 0; /* Crash intentionally */ \ + } @@ -248,29 +257,22 @@ cWSSAnvil::cMCAFile * cWSSAnvil::LoadMCAFile(const cChunkCoords & a_Chunk) 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 = (uInt)a_Data.size(); - int res = inflate(&strm, Z_FINISH); - inflateEnd(&strm); - if (res != Z_STREAM_END) + // Uncompress the data: + AString Uncompressed; + int res = InflateString(a_Data.data(), a_Data.size(), Uncompressed); + if (res != Z_OK) { + LOGWARNING("Uncompressing chunk [%d, %d] failed: %d", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, res); + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } // Parse the NBT data: - cParsedNBT NBT(Uncompressed, strm.total_out); + cParsedNBT NBT(Uncompressed.data(), Uncompressed.size()); if (!NBT.IsValid()) { // NBT Parsing failed + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } @@ -317,11 +319,13 @@ bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT int Level = a_NBT.FindChildByName(0, "Level"); if (Level < 0) { + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } int Sections = a_NBT.FindChildByName(Level, "Sections"); if ((Sections < 0) || (a_NBT.GetType(Sections) != TAG_List) || (a_NBT.GetChildrenType(Sections) != TAG_Compound)) { + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } for (int Child = a_NBT.GetFirstChild(Sections); Child >= 0; Child = a_NBT.GetNextSibling(Child)) @@ -396,7 +400,7 @@ bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT } // for y //*/ - m_World->QueueSetChunkData(cSetChunkDataPtr(new cSetChunkData( + cSetChunkDataPtr SetChunkData(new cSetChunkData( a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, BlockTypes, MetaData, IsLightValid ? BlockLight : NULL, @@ -404,7 +408,8 @@ bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT NULL, Biomes, Entities, BlockEntities, false - ))); + )); + m_World->QueueSetChunkData(SetChunkData); return true; } @@ -581,64 +586,28 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con { continue; } - int sID = a_NBT.FindChildByName(Child, "id"); - if (sID < 0) + + // Get the BlockEntity's position + int x, y, z; + if (!GetBlockEntityNBTPos(a_NBT, Child, x, y, z)) { + LOGWARNING("Bad block entity, missing the coords. Will be ignored."); continue; } - if (strncmp(a_NBT.GetData(sID), "Beacon", a_NBT.GetDataLength(sID)) == 0) - { - LoadBeaconFromNBT(a_BlockEntities, a_NBT, Child); - } - else if (strncmp(a_NBT.GetData(sID), "Chest", a_NBT.GetDataLength(sID)) == 0) - { - LoadChestFromNBT(a_BlockEntities, a_NBT, Child, E_BLOCK_CHEST); - } - else if (strncmp(a_NBT.GetData(sID), "Control", a_NBT.GetDataLength(sID)) == 0) - { - LoadCommandBlockFromNBT(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), "FlowerPot", a_NBT.GetDataLength(sID)) == 0) - { - LoadFlowerPotFromNBT(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), "Skull", a_NBT.GetDataLength(sID)) == 0) - { - LoadMobHeadFromNBT(a_BlockEntities, a_NBT, Child); - } - else if (strncmp(a_NBT.GetData(sID), "Trap", a_NBT.GetDataLength(sID)) == 0) - { - LoadDispenserFromNBT(a_BlockEntities, a_NBT, Child); - } - else if (strncmp(a_NBT.GetData(sID), "TrappedChest", a_NBT.GetDataLength(sID)) == 0) + int RelX = x, RelY = y, RelZ = z, ChunkX, ChunkZ; + cChunkDef::AbsoluteToRelative(RelX, RelY, RelZ, ChunkX, ChunkZ); + + // Load the proper BlockEntity type based on the block type: + BLOCKTYPE BlockType = cChunkDef::GetBlock(a_BlockTypes, RelX, RelY, RelZ); + NIBBLETYPE BlockMeta = cChunkDef::GetNibble(a_BlockMetas, RelX, RelY, RelZ); + std::auto_ptr<cBlockEntity> be(LoadBlockEntityFromNBT(a_NBT, Child, x, y, z, BlockType, BlockMeta)); + if (be.get() == NULL) { - LoadChestFromNBT(a_BlockEntities, a_NBT, Child, E_BLOCK_TRAPPED_CHEST); + continue; } - // TODO: Other block entities + + // Add the BlockEntity to the loaded data: + a_BlockEntities.push_back(be.release()); } // for Child - tag children } @@ -646,6 +615,52 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con +cBlockEntity * cWSSAnvil::LoadBlockEntityFromNBT(const cParsedNBT & a_NBT, int a_Tag, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + // Load the specific BlockEntity type: + switch (a_BlockType) + { + // Specific entity loaders: + case E_BLOCK_BEACON: return LoadBeaconFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_CHEST: return LoadChestFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_CHEST); + case E_BLOCK_COMMAND_BLOCK: return LoadCommandBlockFromNBT(a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_DISPENSER: return LoadDispenserFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_DROPPER: return LoadDropperFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_FLOWER_POT: return LoadFlowerPotFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_FURNACE: return LoadFurnaceFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_FURNACE, a_BlockMeta); + case E_BLOCK_HEAD: return LoadMobHeadFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_HOPPER: return LoadHopperFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_JUKEBOX: return LoadJukeboxFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_LIT_FURNACE: return LoadFurnaceFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_LIT_FURNACE, a_BlockMeta); + case E_BLOCK_NOTE_BLOCK: return LoadNoteBlockFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ); + case E_BLOCK_SIGN_POST: return LoadSignFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_SIGN_POST); + case E_BLOCK_TRAPPED_CHEST: return LoadChestFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_TRAPPED_CHEST); + case E_BLOCK_WALLSIGN: return LoadSignFromNBT (a_NBT, a_Tag, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_WALLSIGN); + + // Blocktypes that have block entities but don't load their contents from disk: + case E_BLOCK_ENDER_CHEST: return NULL; + } + + // All the other blocktypes should have no entities assigned to them. Report an error: + // Get the "id" tag: + int TagID = a_NBT.FindChildByName(a_Tag, "id"); + AString TypeName("<unknown>"); + if (TagID >= 0) + { + TypeName.assign(a_NBT.GetData(TagID), (size_t)a_NBT.GetDataLength(TagID)); + } + LOGINFO("WorldLoader(%s): Block entity mismatch: block type %s (%d), type \"%s\", at {%d, %d, %d}; the entity will be lost.", + m_World->GetName().c_str(), + ItemTypeToString(a_BlockType).c_str(), a_BlockType, TypeName.c_str(), + a_BlockX, a_BlockY, a_BlockZ + ); + return NULL; +} + + + + + bool cWSSAnvil::LoadItemFromNBT(cItem & a_Item, const cParsedNBT & a_NBT, int a_TagIdx) { int Type = a_NBT.FindChildByName(a_TagIdx, "id"); @@ -656,7 +671,6 @@ bool cWSSAnvil::LoadItemFromNBT(cItem & a_Item, const cParsedNBT & a_NBT, int a_ a_Item.m_ItemType = a_NBT.GetShort(Type); if (a_Item.m_ItemType < 0) { - LOGD("Encountered an item with negative type (%d). Replacing with an empty item.", a_NBT.GetShort(Type)); a_Item.Empty(); return true; } @@ -754,16 +768,46 @@ void cWSSAnvil::LoadItemGridFromNBT(cItemGrid & a_ItemGrid, const cParsedNBT & a -void cWSSAnvil::LoadBeaconFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +bool cWSSAnvil::CheckBlockEntityType(const cParsedNBT & a_NBT, int a_TagIdx, const char * a_ExpectedType) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the given tag is a compound: + if (a_NBT.GetType(a_TagIdx) != TAG_Compound) { - return; + return false; } - std::auto_ptr<cBeaconEntity> Beacon(new cBeaconEntity(x, y, z, m_World)); + // Get the "id" tag: + int TagID = a_NBT.FindChildByName(a_TagIdx, "id"); + if (TagID < 0) + { + return false; + } + + // Compare the value: + if (strncmp(a_NBT.GetData(TagID), a_ExpectedType, (size_t)a_NBT.GetDataLength(TagID)) == 0) + { + return true; + } + LOGWARNING("Block entity type mismatch: exp \"%s\", got \"%s\".", + a_ExpectedType, + AString(a_NBT.GetData(TagID), (size_t)a_NBT.GetDataLength(TagID)).c_str() + ); + return false; +} + + + + + +cBlockEntity * cWSSAnvil::LoadBeaconFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) +{ + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Beacon")) + { + return NULL; + } + + std::auto_ptr<cBeaconEntity> Beacon(new cBeaconEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); int CurrentLine = a_NBT.FindChildByName(a_TagIdx, "Levels"); if (CurrentLine >= 0) @@ -790,88 +834,128 @@ void cWSSAnvil::LoadBeaconFromNBT(cBlockEntityList & a_BlockEntities, const cPar LoadItemGridFromNBT(Beacon->GetContents(), a_NBT, Items); } - a_BlockEntities.push_back(Beacon.release()); + return Beacon.release(); } -void cWSSAnvil::LoadChestFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx, BLOCKTYPE a_ChestType) +cBlockEntity * cWSSAnvil::LoadChestFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_ChestBlockType) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + // TODO: Does vanilla use "TrappedChest" or not? MCWiki says no, but previous code says yes + // Ref.: http://minecraft.gamepedia.com/Trapped_Chest + // https://github.com/mc-server/MCServer/blob/d0551e2e0a98a28f31a88d489d17b408e4a7d38d/src/WorldStorage/WSSAnvil.cpp#L637 + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Chest") && !CheckBlockEntityType(a_NBT, a_TagIdx, "TrappedChest")) { - return; + return NULL; } + 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 + return NULL; // 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, a_ChestType)); + std::auto_ptr<cChestEntity> Chest(new cChestEntity(a_BlockX, a_BlockY, a_BlockZ, m_World, a_ChestBlockType)); LoadItemGridFromNBT(Chest->GetContents(), a_NBT, Items); - a_BlockEntities.push_back(Chest.release()); + return Chest.release(); } -void cWSSAnvil::LoadDispenserFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadCommandBlockFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Control")) { - return; + return NULL; + } + + std::auto_ptr<cCommandBlockEntity> CmdBlock(new cCommandBlockEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); + + int currentLine = a_NBT.FindChildByName(a_TagIdx, "Command"); + if (currentLine >= 0) + { + CmdBlock->SetCommand(a_NBT.GetString(currentLine)); + } + + currentLine = a_NBT.FindChildByName(a_TagIdx, "SuccessCount"); + if (currentLine >= 0) + { + CmdBlock->SetResult(a_NBT.GetInt(currentLine)); + } + + currentLine = a_NBT.FindChildByName(a_TagIdx, "LastOutput"); + if (currentLine >= 0) + { + CmdBlock->SetLastOutput(a_NBT.GetString(currentLine)); + } + + // TODO 2014-01-18 xdot: Figure out what TrackOutput is and parse it. + + return CmdBlock.release(); +} + + + + + +cBlockEntity * cWSSAnvil::LoadDispenserFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) +{ + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Trap")) + { + return NULL; } + 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 + return NULL; // 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)); + std::auto_ptr<cDispenserEntity> Dispenser(new cDispenserEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); LoadItemGridFromNBT(Dispenser->GetContents(), a_NBT, Items); - a_BlockEntities.push_back(Dispenser.release()); + return Dispenser.release(); } -void cWSSAnvil::LoadDropperFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadDropperFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Dropper")) { - return; + return NULL; } + 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 + return NULL; // 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)); + std::auto_ptr<cDropperEntity> Dropper(new cDropperEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); LoadItemGridFromNBT(Dropper->GetContents(), a_NBT, Items); - a_BlockEntities.push_back(Dropper.release()); + return Dropper.release(); } -void cWSSAnvil::LoadFlowerPotFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadFlowerPotFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "FlowerPot")) { - return; + return NULL; } - std::auto_ptr<cFlowerPotEntity> FlowerPot(new cFlowerPotEntity(x, y, z, m_World)); + + std::auto_ptr<cFlowerPotEntity> FlowerPot(new cFlowerPotEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); short ItemType = 0, ItemData = 0; int currentLine = a_NBT.FindChildByName(a_TagIdx, "Item"); @@ -887,37 +971,28 @@ void cWSSAnvil::LoadFlowerPotFromNBT(cBlockEntityList & a_BlockEntities, const c } FlowerPot->SetItem(cItem(ItemType, 1, ItemData)); - a_BlockEntities.push_back(FlowerPot.release()); + return FlowerPot.release(); } -void cWSSAnvil::LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx, BLOCKTYPE * a_BlockTypes, NIBBLETYPE * a_BlockMetas) +cBlockEntity * cWSSAnvil::LoadFurnaceFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Furnace")) { - return; + return NULL; } + 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 + return NULL; // 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)); + std::auto_ptr<cFurnaceEntity> Furnace(new cFurnaceEntity(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta, m_World)); // Load slots: for (int Child = a_NBT.GetFirstChild(Items); Child != -1; Child = a_NBT.GetNextSibling(Child)) @@ -954,184 +1029,147 @@ void cWSSAnvil::LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cPa // Restart cooking: Furnace->ContinueCooking(); - a_BlockEntities.push_back(Furnace.release()); + return Furnace.release(); } -void cWSSAnvil::LoadHopperFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadHopperFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Hopper")) { - return; + return NULL; } + 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 + return NULL; // 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)); + std::auto_ptr<cHopperEntity> Hopper(new cHopperEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); LoadItemGridFromNBT(Hopper->GetContents(), a_NBT, Items); - a_BlockEntities.push_back(Hopper.release()); + return Hopper.release(); } -void cWSSAnvil::LoadJukeboxFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadJukeboxFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "RecordPlayer")) { - return; + return NULL; } - std::auto_ptr<cJukeboxEntity> Jukebox(new cJukeboxEntity(x, y, z, m_World)); + + std::auto_ptr<cJukeboxEntity> Jukebox(new cJukeboxEntity(a_BlockX, a_BlockY, a_BlockZ, 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()); + return Jukebox.release(); } -void cWSSAnvil::LoadSignFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadMobHeadFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Skull")) { - return; + return NULL; } - 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)); - } + std::auto_ptr<cMobHeadEntity> MobHead(new cMobHeadEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); - currentLine = a_NBT.FindChildByName(a_TagIdx, "Text2"); + int currentLine = a_NBT.FindChildByName(a_TagIdx, "SkullType"); if (currentLine >= 0) { - Sign->SetLine(1, a_NBT.GetString(currentLine)); + MobHead->SetType(static_cast<eMobHeadType>(a_NBT.GetByte(currentLine))); } - currentLine = a_NBT.FindChildByName(a_TagIdx, "Text3"); + currentLine = a_NBT.FindChildByName(a_TagIdx, "Rot"); if (currentLine >= 0) { - Sign->SetLine(2, a_NBT.GetString(currentLine)); + MobHead->SetRotation(static_cast<eMobHeadRotation>(a_NBT.GetByte(currentLine))); } - currentLine = a_NBT.FindChildByName(a_TagIdx, "Text4"); + currentLine = a_NBT.FindChildByName(a_TagIdx, "ExtraType"); if (currentLine >= 0) { - Sign->SetLine(3, a_NBT.GetString(currentLine)); + MobHead->SetOwner(a_NBT.GetString(currentLine)); } - a_BlockEntities.push_back(Sign.release()); + return MobHead.release(); } -void cWSSAnvil::LoadMobHeadFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadNoteBlockFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Music")) { - return; - } - std::auto_ptr<cMobHeadEntity> MobHead(new cMobHeadEntity(x, y, z, m_World)); - - int currentLine = a_NBT.FindChildByName(a_TagIdx, "SkullType"); - if (currentLine >= 0) - { - MobHead->SetType(static_cast<eMobHeadType>(a_NBT.GetByte(currentLine))); - } - - currentLine = a_NBT.FindChildByName(a_TagIdx, "Rot"); - if (currentLine >= 0) - { - MobHead->SetRotation(static_cast<eMobHeadRotation>(a_NBT.GetByte(currentLine))); + return NULL; } - currentLine = a_NBT.FindChildByName(a_TagIdx, "ExtraType"); - if (currentLine >= 0) + std::auto_ptr<cNoteEntity> NoteBlock(new cNoteEntity(a_BlockX, a_BlockY, a_BlockZ, m_World)); + int note = a_NBT.FindChildByName(a_TagIdx, "note"); + if (note >= 0) { - MobHead->SetOwner(a_NBT.GetString(currentLine)); + NoteBlock->SetPitch(a_NBT.GetByte(note)); } - - a_BlockEntities.push_back(MobHead.release()); + return NoteBlock.release(); } -void cWSSAnvil::LoadCommandBlockFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx) +cBlockEntity * cWSSAnvil::LoadSignFromNBT(const cParsedNBT & a_NBT, int a_TagIdx, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType) { - ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound); - int x, y, z; - if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z)) + // Check if the data has a proper type: + if (!CheckBlockEntityType(a_NBT, a_TagIdx, "Sign")) { - return; + return NULL; } - std::auto_ptr<cCommandBlockEntity> CmdBlock(new cCommandBlockEntity(x, y, z, m_World)); - int currentLine = a_NBT.FindChildByName(a_TagIdx, "Command"); + std::auto_ptr<cSignEntity> Sign(new cSignEntity(a_BlockType, a_BlockX, a_BlockY, a_BlockZ, m_World)); + + int currentLine = a_NBT.FindChildByName(a_TagIdx, "Text1"); if (currentLine >= 0) { - CmdBlock->SetCommand(a_NBT.GetString(currentLine)); + Sign->SetLine(0, a_NBT.GetString(currentLine)); } - currentLine = a_NBT.FindChildByName(a_TagIdx, "SuccessCount"); + currentLine = a_NBT.FindChildByName(a_TagIdx, "Text2"); if (currentLine >= 0) { - CmdBlock->SetResult(a_NBT.GetInt(currentLine)); + Sign->SetLine(1, a_NBT.GetString(currentLine)); } - currentLine = a_NBT.FindChildByName(a_TagIdx, "LastOutput"); + currentLine = a_NBT.FindChildByName(a_TagIdx, "Text3"); if (currentLine >= 0) { - CmdBlock->SetLastOutput(a_NBT.GetString(currentLine)); + Sign->SetLine(2, a_NBT.GetString(currentLine)); } - // TODO 2014-01-18 xdot: Figure out what TrackOutput is and parse it. + currentLine = a_NBT.FindChildByName(a_TagIdx, "Text4"); + if (currentLine >= 0) + { + Sign->SetLine(3, a_NBT.GetString(currentLine)); + } - a_BlockEntities.push_back(CmdBlock.release()); + return Sign.release(); } @@ -2777,30 +2815,42 @@ bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a } unsigned ChunkLocation = ntohl(m_Header[LocalX + 32 * LocalZ]); unsigned ChunkOffset = ChunkLocation >> 8; + if (ChunkOffset <= 2) + { + return false; + } m_File.Seek((int)ChunkOffset * 4096); int ChunkSize = 0; if (m_File.Read(&ChunkSize, 4) != 4) { + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } ChunkSize = ntohl((u_long)ChunkSize); char CompressionType = 0; if (m_File.Read(&CompressionType, 1) != 1) { + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); return false; } if (CompressionType != 2) { // Chunk is in an unknown compression + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); 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); + if (m_File.Read((void *)a_Data.data(), ChunkSize) == ChunkSize) + { + return true; + } + LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ); + return false; } |