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Merge pull request #575 from worktycho/GeneratingBenchmark

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More Interfaces to decouple Generator from the rest of the code
This commit is contained in:
Mattes D 2014-01-25 13:55:33 -08:00
commit f78a62a5e3
11 changed files with 317 additions and 189 deletions
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4
CMakeLists.txt
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@ -201,5 +201,9 @@ if (NOT MSVC)
string(REPLACE "-w" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
endif()
if(${BUILD_TOOLS})
add_subdirectory(Tools/GeneratorPerformanceTest/)
endif()
add_subdirectory (src)

12
Tools/GeneratorPerformanceTest/CMakeLists.txt Normal file
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@ -0,0 +1,12 @@
cmake_minimum_required(VERSION 2.8)
project(GeneratorPerformanceTest)
include_directories(../../src/Generating)
include_directories(../../src)
include_directories(../../lib)
add_executable(GeneratorPerformanceTest GeneratorPerformanceTest.cpp ../../src/StringUtils ../../src/MCLogger ../../src/Log ../../src/BlockID ../../src/Noise ../../src/Enchantments ../../src/BlockArea)
target_link_libraries(GeneratorPerformanceTest Generating)

7
Tools/GeneratorPerformanceTest/GeneratorPerformanceTest.cpp Normal file
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@ -0,0 +1,7 @@
#include "Globals.h"
#include "ChunkGenerator.h"
int main(int argc, char * argv[]) {
cChunkGenerator Generator = cChunkGenerator();
}

64
src/Bindings/ManualBindings.cpp
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@ -13,6 +13,7 @@
#include "../Entities/Player.h"
#include "../WebAdmin.h"
#include "../ClientHandle.h"
#include "../BlockArea.h"
#include "../BlockEntities/ChestEntity.h"
#include "../BlockEntities/CommandBlockEntity.h"
#include "../BlockEntities/DispenserEntity.h"
@ -22,6 +23,7 @@
#include "../BlockEntities/NoteEntity.h"
#include "md5/md5.h"
#include "../LineBlockTracer.h"
#include "../WorldStorage/SchematicFileSerializer.h"
@ -2234,6 +2236,63 @@ static int tolua_cHopperEntity_GetOutputBlockPos(lua_State * tolua_S)
static int tolua_cBlockArea_LoadFromSchematicFile(lua_State * tolua_S)
{
// function cBlockArea::LoadFromSchematicFile
// Exported manually because function has been moved to SchematicFileSerilizer.cpp
cLuaState L(tolua_S);
if (
!L.CheckParamUserType(1, "cBlockArea") ||
!L.CheckParamString (2) ||
!L.CheckParamEnd (3)
)
{
return 0;
}
cBlockArea * self = (cBlockArea *)tolua_tousertype(tolua_S, 1, 0);
if (self == NULL)
{
tolua_error(tolua_S, "invalid 'self' in function 'cBlockArea::LoadFromSchematicFile'", NULL);
return 0;
}
AString Filename = tolua_tostring(tolua_S, 2, 0);
bool res = cSchematicFileSerializer::LoadFromSchematicFile(*self,Filename);
tolua_pushboolean(tolua_S, res);
return 1;
}
static int tolua_cBlockArea_SaveToSchematicFile(lua_State * tolua_S)
{
// function cBlockArea::SaveToSchematicFile
// Exported manually because function has been moved to SchematicFileSerilizer.cpp
cLuaState L(tolua_S);
if (
!L.CheckParamUserType(1, "cBlockArea") ||
!L.CheckParamString (2) ||
!L.CheckParamEnd (3)
)
{
return 0;
}
cBlockArea * self = (cBlockArea *)tolua_tousertype(tolua_S, 1, 0);
if (self == NULL)
{
tolua_error(tolua_S, "invalid 'self' in function 'cBlockArea::SaveToSchematicFile'", NULL);
return 0;
}
AString Filename = tolua_tostring(tolua_S, 2, 0);
bool res = cSchematicFileSerializer::SaveToSchematicFile(*self,Filename);
tolua_pushboolean(tolua_S, res);
return 1;
}
void ManualBindings::Bind(lua_State * tolua_S)
{
tolua_beginmodule(tolua_S, NULL);
@ -2249,6 +2308,11 @@ void ManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "GetFolderContents", tolua_cFile_GetFolderContents);
tolua_endmodule(tolua_S);
tolua_beginmodule(tolua_S, "cBlockArea");
tolua_function(tolua_S, "LoadFromSchematicFile", tolua_cBlockArea_LoadFromSchematicFile);
tolua_function(tolua_S, "SaveToSchematicFile", tolua_cBlockArea_SaveToSchematicFile);
tolua_endmodule(tolua_S);
tolua_beginmodule(tolua_S, "cHopperEntity");
tolua_function(tolua_S, "GetOutputBlockPos", tolua_cHopperEntity_GetOutputBlockPos);
tolua_endmodule(tolua_S);

168
src/BlockArea.cpp
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@ -6,9 +6,7 @@
#include "Globals.h"
#include "BlockArea.h"
#include "World.h"
#include "OSSupport/GZipFile.h"
#include "WorldStorage/FastNBT.h"
#include "Blocks/BlockHandler.h"
@ -266,7 +264,7 @@ void cBlockArea::SetOrigin(int a_OriginX, int a_OriginY, int a_OriginZ)
bool cBlockArea::Read(cWorld * a_World, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes)
bool cBlockArea::Read(cForEachChunkProvider * a_ForEachChunkProvider, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes)
{
// Normalize the coords:
if (a_MinBlockX > a_MaxBlockX)
@ -327,7 +325,7 @@ bool cBlockArea::Read(cWorld * a_World, int a_MinBlockX, int a_MaxBlockX, int a_
cChunkDef::AbsoluteToRelative(a_MaxBlockX, a_MaxBlockY, a_MaxBlockZ, MaxChunkX, MaxChunkZ);
// Query block data:
if (!a_World->ForEachChunkInRect(MinChunkX, MaxChunkX, MinChunkZ, MaxChunkZ, Reader))
if (!a_ForEachChunkProvider->ForEachChunkInRect(MinChunkX, MaxChunkX, MinChunkZ, MaxChunkZ, Reader))
{
Clear();
return false;
@ -340,7 +338,7 @@ bool cBlockArea::Read(cWorld * a_World, int a_MinBlockX, int a_MaxBlockX, int a_
bool cBlockArea::Write(cWorld * a_World, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes)
bool cBlockArea::Write(cForEachChunkProvider * a_ForEachChunkProvider, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes)
{
ASSERT((a_DataTypes & GetDataTypes()) == a_DataTypes); // Are you requesting only the data that I have?
a_DataTypes = a_DataTypes & GetDataTypes(); // For release builds, silently cut off the datatypes that I don't have
@ -357,7 +355,7 @@ bool cBlockArea::Write(cWorld * a_World, int a_MinBlockX, int a_MinBlockY, int a
a_MinBlockY = cChunkDef::Height - m_SizeY;
}
return a_World->WriteBlockArea(*this, a_MinBlockX, a_MinBlockY, a_MinBlockZ, a_DataTypes);
return a_ForEachChunkProvider->WriteBlockArea(*this, a_MinBlockX, a_MinBlockY, a_MinBlockZ, a_DataTypes);
}
@ -448,85 +446,12 @@ void cBlockArea::DumpToRawFile(const AString & a_FileName)
bool cBlockArea::LoadFromSchematicFile(const AString & a_FileName)
{
// Un-GZip the contents:
AString Contents;
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmRead))
{
LOG("Cannot open the schematic file \"%s\".", a_FileName.c_str());
return false;
}
int NumBytesRead = File.ReadRestOfFile(Contents);
if (NumBytesRead < 0)
{
LOG("Cannot read GZipped data in the schematic file \"%s\", error %d", a_FileName.c_str(), NumBytesRead);
return false;
}
File.Close();
// Parse the NBT:
cParsedNBT NBT(Contents.data(), Contents.size());
if (!NBT.IsValid())
{
LOG("Cannot parse the NBT in the schematic file \"%s\".", a_FileName.c_str());
return false;
}
return LoadFromSchematicNBT(NBT);
}
bool cBlockArea::SaveToSchematicFile(const AString & a_FileName)
{
cFastNBTWriter Writer("Schematic");
Writer.AddShort("Width", m_SizeX);
Writer.AddShort("Height", m_SizeY);
Writer.AddShort("Length", m_SizeZ);
Writer.AddString("Materials", "Alpha");
if (HasBlockTypes())
{
Writer.AddByteArray("Blocks", (const char *)m_BlockTypes, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size());
}
if (HasBlockMetas())
{
Writer.AddByteArray("Data", (const char *)m_BlockMetas, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Data", Dummy.data(), Dummy.size());
}
// TODO: Save entities and block entities
Writer.BeginList("Entities", TAG_Compound);
Writer.EndList();
Writer.BeginList("TileEntities", TAG_Compound);
Writer.EndList();
Writer.Finish();
// Save to file
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmWrite))
{
LOG("Cannot open file \"%s\" for writing.", a_FileName.c_str());
return false;
}
if (!File.Write(Writer.GetResult()))
{
LOG("Cannot write data to file \"%s\".", a_FileName.c_str());
return false;
}
return true;
}
@ -2018,89 +1943,6 @@ void cBlockArea::ExpandNibbles(NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMa
}
bool cBlockArea::LoadFromSchematicNBT(cParsedNBT & a_NBT)
{
int TMaterials = a_NBT.FindChildByName(a_NBT.GetRoot(), "Materials");
if ((TMaterials > 0) && (a_NBT.GetType(TMaterials) == TAG_String))
{
AString Materials = a_NBT.GetString(TMaterials);
if (Materials.compare("Alpha") != 0)
{
LOG("Materials tag is present and \"%s\" instead of \"Alpha\". Possibly a wrong-format schematic file.", Materials.c_str());
return false;
}
}
int TSizeX = a_NBT.FindChildByName(a_NBT.GetRoot(), "Width");
int TSizeY = a_NBT.FindChildByName(a_NBT.GetRoot(), "Height");
int TSizeZ = a_NBT.FindChildByName(a_NBT.GetRoot(), "Length");
if (
(TSizeX < 0) || (TSizeY < 0) || (TSizeZ < 0) ||
(a_NBT.GetType(TSizeX) != TAG_Short) ||
(a_NBT.GetType(TSizeY) != TAG_Short) ||
(a_NBT.GetType(TSizeZ) != TAG_Short)
)
{
LOG("Dimensions are missing from the schematic file (%d, %d, %d), (%d, %d, %d)",
TSizeX, TSizeY, TSizeZ,
a_NBT.GetType(TSizeX), a_NBT.GetType(TSizeY), a_NBT.GetType(TSizeZ)
);
return false;
}
int SizeX = a_NBT.GetShort(TSizeX);
int SizeY = a_NBT.GetShort(TSizeY);
int SizeZ = a_NBT.GetShort(TSizeZ);
if ((SizeX < 1) || (SizeY < 1) || (SizeZ < 1))
{
LOG("Dimensions are invalid in the schematic file: %d, %d, %d", SizeX, SizeY, SizeZ);
return false;
}
int TBlockTypes = a_NBT.FindChildByName(a_NBT.GetRoot(), "Blocks");
int TBlockMetas = a_NBT.FindChildByName(a_NBT.GetRoot(), "Data");
if ((TBlockTypes < 0) || (a_NBT.GetType(TBlockTypes) != TAG_ByteArray))
{
LOG("BlockTypes are invalid in the schematic file: %d", TBlockTypes);
return false;
}
bool AreMetasPresent = (TBlockMetas > 0) && (a_NBT.GetType(TBlockMetas) == TAG_ByteArray);
Clear();
SetSize(SizeX, SizeY, SizeZ, AreMetasPresent ? (baTypes | baMetas) : baTypes);
// Copy the block types and metas:
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockTypes) < NumBytes)
{
LOG("BlockTypes truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockTypes)
);
NumBytes = a_NBT.GetDataLength(TBlockTypes);
}
memcpy(m_BlockTypes, a_NBT.GetData(TBlockTypes), NumBytes);
if (AreMetasPresent)
{
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockMetas) < NumBytes)
{
LOG("BlockMetas truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockMetas)
);
NumBytes = a_NBT.GetDataLength(TBlockMetas);
}
memcpy(m_BlockMetas, a_NBT.GetData(TBlockMetas), NumBytes);
}
return true;
}
void cBlockArea::RelSetData(
int a_RelX, int a_RelY, int a_RelZ,
int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,

27
src/BlockArea.h
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@ -12,18 +12,7 @@
#pragma once
// fwd: World.h
class cWorld;
// fwd: FastNBT.h
class cParsedNBT;
#include "ForEachChunkProvider.h"
// tolua_begin
@ -68,13 +57,13 @@ public:
void SetOrigin(int a_OriginX, int a_OriginY, int a_OriginZ);
/// Reads an area of blocks specified. Returns true if successful. All coords are inclusive.
bool Read(cWorld * a_World, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes = baTypes | baMetas);
bool Read(cForEachChunkProvider * a_ForEachChunkProvider, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes = baTypes | baMetas);
// TODO: Write() is not too good an interface: if it fails, there's no way to repeat only for the parts that didn't write
// A better way may be to return a list of cBlockAreas for each part that didn't succeed writing, so that the caller may try again
/// Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all
bool Write(cWorld * a_World, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes = baTypes | baMetas);
bool Write(cForEachChunkProvider * a_ForEachChunkProvider, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes = baTypes | baMetas);
/// Copies this object's contents into the specified BlockArea.
void CopyTo(cBlockArea & a_Into) const;
@ -85,12 +74,6 @@ public:
/// For testing purposes only, dumps the area into a file.
void DumpToRawFile(const AString & a_FileName);
/// Loads an area from a .schematic file. Returns true if successful
bool LoadFromSchematicFile(const AString & a_FileName);
/// Saves the area into a .schematic file. Returns true if successful
bool SaveToSchematicFile(const AString & a_FileName);
/// Crops the internal contents by the specified amount of blocks from each border.
void Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ);
@ -233,6 +216,7 @@ public:
protected:
friend class cChunkDesc;
friend class cSchematicFileSerializer;
class cChunkReader :
public cChunkDataCallback
@ -291,9 +275,6 @@ protected:
// Expand helpers:
void ExpandBlockTypes(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ);
void ExpandNibbles (NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ);
/// Loads the area from a schematic file uncompressed and parsed into a NBT tree. Returns true if successful.
bool LoadFromSchematicNBT(cParsedNBT & a_NBT);
/// Sets the specified datatypes at the specified location.
void RelSetData(

14
src/ForEachChunkProvider.h Normal file
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@ -0,0 +1,14 @@
#pragma once
class cChunkDataCallback;
class cBlockArea;
class cForEachChunkProvider
{
public:
virtual bool ForEachChunkInRect(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ, cChunkDataCallback & a_Callback) = 0;
virtual bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes) = 0;
};

2
src/Generating/CMakeLists.txt
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@ -9,3 +9,5 @@ file(GLOB SOURCE
)
add_library(Generating ${SOURCE})
target_link_libraries(Generating OSSupport iniFile)

7
src/World.h
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@ -22,6 +22,7 @@
#include "Item.h"
#include "Mobs/Monster.h"
#include "Entities/ProjectileEntity.h"
#include "ForEachChunkProvider.h"
#include "Scoreboard.h"
@ -61,7 +62,7 @@ typedef cItemCallback<cCommandBlockEntity> cCommandBlockCallback;
// tolua_begin
class cWorld
class cWorld : public cForEachChunkProvider
{
public:
@ -314,7 +315,7 @@ public:
bool IsChunkLighted(int a_ChunkX, int a_ChunkZ);
/** Calls the callback for each chunk in the coords specified (all cords are inclusive). Returns true if all chunks have been processed successfully */
bool ForEachChunkInRect(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ, cChunkDataCallback & a_Callback);
virtual bool ForEachChunkInRect(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ, cChunkDataCallback & a_Callback);
// tolua_begin
@ -360,7 +361,7 @@ public:
Prefer cBlockArea::Write() instead, this is the internal implementation; cBlockArea does error checking, too.
a_DataTypes is a bitmask of cBlockArea::baXXX constants ORed together.
*/
bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes);
virtual bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes);
// tolua_begin

172
src/WorldStorage/SchematicFileSerializer.cpp Normal file
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@ -0,0 +1,172 @@
#include "Globals.h"
#include "OSSupport/GZipFile.h"
#include "FastNBT.h"
#include "SchematicFileSerializer.h"
bool cSchematicFileSerializer::LoadFromSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName)
{
// Un-GZip the contents:
AString Contents;
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmRead))
{
LOG("Cannot open the schematic file \"%s\".", a_FileName.c_str());
return false;
}
int NumBytesRead = File.ReadRestOfFile(Contents);
if (NumBytesRead < 0)
{
LOG("Cannot read GZipped data in the schematic file \"%s\", error %d", a_FileName.c_str(), NumBytesRead);
return false;
}
File.Close();
// Parse the NBT:
cParsedNBT NBT(Contents.data(), Contents.size());
if (!NBT.IsValid())
{
LOG("Cannot parse the NBT in the schematic file \"%s\".", a_FileName.c_str());
return false;
}
return LoadFromSchematicNBT(a_BlockArea, NBT);
}
bool cSchematicFileSerializer::SaveToSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName)
{
cFastNBTWriter Writer("Schematic");
Writer.AddShort("Width", a_BlockArea.m_SizeX);
Writer.AddShort("Height", a_BlockArea.m_SizeY);
Writer.AddShort("Length", a_BlockArea.m_SizeZ);
Writer.AddString("Materials", "Alpha");
if (a_BlockArea.HasBlockTypes())
{
Writer.AddByteArray("Blocks", (const char *)a_BlockArea.m_BlockTypes, a_BlockArea.GetBlockCount());
}
else
{
AString Dummy(a_BlockArea.GetBlockCount(), 0);
Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size());
}
if (a_BlockArea.HasBlockMetas())
{
Writer.AddByteArray("Data", (const char *)a_BlockArea.m_BlockMetas, a_BlockArea.GetBlockCount());
}
else
{
AString Dummy(a_BlockArea.GetBlockCount(), 0);
Writer.AddByteArray("Data", Dummy.data(), Dummy.size());
}
// TODO: Save entities and block entities
Writer.BeginList("Entities", TAG_Compound);
Writer.EndList();
Writer.BeginList("TileEntities", TAG_Compound);
Writer.EndList();
Writer.Finish();
// Save to file
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmWrite))
{
LOG("Cannot open file \"%s\" for writing.", a_FileName.c_str());
return false;
}
if (!File.Write(Writer.GetResult()))
{
LOG("Cannot write data to file \"%s\".", a_FileName.c_str());
return false;
}
return true;
}
bool cSchematicFileSerializer::LoadFromSchematicNBT(cBlockArea & a_BlockArea, cParsedNBT & a_NBT)
{
int TMaterials = a_NBT.FindChildByName(a_NBT.GetRoot(), "Materials");
if ((TMaterials > 0) && (a_NBT.GetType(TMaterials) == TAG_String))
{
AString Materials = a_NBT.GetString(TMaterials);
if (Materials.compare("Alpha") != 0)
{
LOG("Materials tag is present and \"%s\" instead of \"Alpha\". Possibly a wrong-format schematic file.", Materials.c_str());
return false;
}
}
int TSizeX = a_NBT.FindChildByName(a_NBT.GetRoot(), "Width");
int TSizeY = a_NBT.FindChildByName(a_NBT.GetRoot(), "Height");
int TSizeZ = a_NBT.FindChildByName(a_NBT.GetRoot(), "Length");
if (
(TSizeX < 0) || (TSizeY < 0) || (TSizeZ < 0) ||
(a_NBT.GetType(TSizeX) != TAG_Short) ||
(a_NBT.GetType(TSizeY) != TAG_Short) ||
(a_NBT.GetType(TSizeZ) != TAG_Short)
)
{
LOG("Dimensions are missing from the schematic file (%d, %d, %d), (%d, %d, %d)",
TSizeX, TSizeY, TSizeZ,
a_NBT.GetType(TSizeX), a_NBT.GetType(TSizeY), a_NBT.GetType(TSizeZ)
);
return false;
}
int SizeX = a_NBT.GetShort(TSizeX);
int SizeY = a_NBT.GetShort(TSizeY);
int SizeZ = a_NBT.GetShort(TSizeZ);
if ((SizeX < 1) || (SizeY < 1) || (SizeZ < 1))
{
LOG("Dimensions are invalid in the schematic file: %d, %d, %d", SizeX, SizeY, SizeZ);
return false;
}
int TBlockTypes = a_NBT.FindChildByName(a_NBT.GetRoot(), "Blocks");
int TBlockMetas = a_NBT.FindChildByName(a_NBT.GetRoot(), "Data");
if ((TBlockTypes < 0) || (a_NBT.GetType(TBlockTypes) != TAG_ByteArray))
{
LOG("BlockTypes are invalid in the schematic file: %d", TBlockTypes);
return false;
}
bool AreMetasPresent = (TBlockMetas > 0) && (a_NBT.GetType(TBlockMetas) == TAG_ByteArray);
a_BlockArea.Clear();
a_BlockArea.SetSize(SizeX, SizeY, SizeZ, AreMetasPresent ? (cBlockArea::baTypes | cBlockArea::baMetas) : cBlockArea::baTypes);
// Copy the block types and metas:
int NumBytes = a_BlockArea.m_SizeX * a_BlockArea.m_SizeY * a_BlockArea.m_SizeZ;
if (a_NBT.GetDataLength(TBlockTypes) < NumBytes)
{
LOG("BlockTypes truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockTypes)
);
NumBytes = a_NBT.GetDataLength(TBlockTypes);
}
memcpy(a_BlockArea.m_BlockTypes, a_NBT.GetData(TBlockTypes), NumBytes);
if (AreMetasPresent)
{
int NumBytes = a_BlockArea.m_SizeX * a_BlockArea.m_SizeY * a_BlockArea.m_SizeZ;
if (a_NBT.GetDataLength(TBlockMetas) < NumBytes)
{
LOG("BlockMetas truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockMetas)
);
NumBytes = a_NBT.GetDataLength(TBlockMetas);
}
memcpy(a_BlockArea.m_BlockMetas, a_NBT.GetData(TBlockMetas), NumBytes);
}
return true;
}

29
src/WorldStorage/SchematicFileSerializer.h Normal file
View File

@ -0,0 +1,29 @@
#pragma once
#include "../BlockArea.h"
// fwd: FastNBT.h
class cParsedNBT;
class cSchematicFileSerializer
{
public:
/// Loads an area from a .schematic file. Returns true if successful
static bool LoadFromSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName);
/// Saves the area into a .schematic file. Returns true if successful
static bool SaveToSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName);
private:
/// Loads the area from a schematic file uncompressed and parsed into a NBT tree. Returns true if successful.
static bool LoadFromSchematicNBT(cBlockArea & a_BlockArea, cParsedNBT & a_NBT);
};