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cuberite-2a/source/BlockArea.cpp
Alexander Harkness 53e22b1185 Changed everyting to Unix line endings.
2013-07-29 12:13:03 +01:00

2125 lines
48 KiB
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// BlockArea.cpp
// Implements the cBlockArea object representing an area of block data that can be queried from cWorld and then accessed again without further queries
// The object also supports writing the blockdata back into cWorld, even into other coords
#include "Globals.h"
#include "BlockArea.h"
#include "World.h"
#include "OSSupport/GZipFile.h"
#include "WorldStorage/FastNBT.h"
#include "Blocks/BlockHandler.h"
// This wild construct allows us to pass a function argument and still have it inlined by the compiler :)
/// Merges two blocktypes and blockmetas of the specified sizes and offsets using the specified combinator function
template<typename Combinator> void InternalMergeBlocks(
BLOCKTYPE * a_DstTypes, const BLOCKTYPE * a_SrcTypes,
NIBBLETYPE * a_DstMetas, const NIBBLETYPE * a_SrcMetas,
int a_SizeX, int a_SizeY, int a_SizeZ,
int a_SrcOffX, int a_SrcOffY, int a_SrcOffZ,
int a_DstOffX, int a_DstOffY, int a_DstOffZ,
int a_SrcSizeX, int a_SrcSizeY, int a_SrcSizeZ,
int a_DstSizeX, int a_DstSizeY, int a_DstSizeZ,
Combinator a_Combinator
)
{
for (int y = 0; y < a_SizeY; y++)
{
int SrcBaseY = (y + a_SrcOffY) * a_SrcSizeX * a_SrcSizeZ;
int DstBaseY = (y + a_DstOffY) * a_DstSizeX * a_DstSizeZ;
for (int z = 0; z < a_SizeZ; z++)
{
int SrcBaseZ = SrcBaseY + (z + a_SrcOffZ) * a_SrcSizeX;
int DstBaseZ = DstBaseY + (z + a_DstOffZ) * a_DstSizeX;
int SrcIdx = SrcBaseZ + a_SrcOffX;
int DstIdx = DstBaseZ + a_DstOffX;
for (int x = 0; x < a_SizeX; x++)
{
a_Combinator(a_DstTypes[DstIdx], a_SrcTypes[SrcIdx], a_DstMetas[DstIdx], a_SrcMetas[SrcIdx]);
++DstIdx;
++SrcIdx;
} // for x
} // for z
} // for y
}
/// Combinator used for cBlockArea::msOverwrite merging
static void MergeCombinatorOverwrite(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
{
a_DstType = a_SrcType;
a_DstMeta = a_SrcMeta;
}
/// Combinator used for cBlockArea::msFillAir merging
static void MergeCombinatorFillAir(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
{
if (a_DstType == E_BLOCK_AIR)
{
a_DstType = a_SrcType;
a_DstMeta = a_SrcMeta;
}
// "else" is the default, already in place
}
/// Combinator used for cBlockArea::msImprint merging
static void MergeCombinatorImprint(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
{
if (a_SrcType != E_BLOCK_AIR)
{
a_DstType = a_SrcType;
a_DstMeta = a_SrcMeta;
}
// "else" is the default, already in place
}
/// Combinator used for cBlockArea::msLake merging
static void MergeCombinatorLake(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
{
// Sponge is the NOP block
if (a_SrcType == E_BLOCK_SPONGE)
{
return;
}
// Air is always hollowed out
if (a_SrcType == E_BLOCK_AIR)
{
a_DstType = E_BLOCK_AIR;
a_DstMeta = 0;
return;
}
// Water and lava are never overwritten
switch (a_DstType)
{
case E_BLOCK_WATER:
case E_BLOCK_STATIONARY_WATER:
case E_BLOCK_LAVA:
case E_BLOCK_STATIONARY_LAVA:
{
return;
}
}
// Water and lava always overwrite
switch (a_SrcType)
{
case E_BLOCK_WATER:
case E_BLOCK_STATIONARY_WATER:
case E_BLOCK_LAVA:
case E_BLOCK_STATIONARY_LAVA:
{
a_DstType = a_SrcType;
a_DstMeta = a_DstMeta;
return;
}
}
if (a_SrcType == E_BLOCK_STONE)
{
switch (a_DstType)
{
case E_BLOCK_DIRT:
case E_BLOCK_GRASS:
case E_BLOCK_MYCELIUM:
{
a_DstType = E_BLOCK_STONE;
a_DstMeta = 0;
return;
}
}
}
// Everything else is left as it is
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cBlockArea:
cBlockArea::cBlockArea(void) :
m_SizeX(0),
m_SizeY(0),
m_SizeZ(0),
m_BlockTypes(NULL),
m_BlockMetas(NULL),
m_BlockLight(NULL),
m_BlockSkyLight(NULL)
{
}
cBlockArea::~cBlockArea()
{
Clear();
}
void cBlockArea::Clear(void)
{
delete[] m_BlockTypes; m_BlockTypes = NULL;
delete[] m_BlockMetas; m_BlockMetas = NULL;
delete[] m_BlockLight; m_BlockLight = NULL;
delete[] m_BlockSkyLight; m_BlockSkyLight = NULL;
m_SizeX = 0;
m_SizeY = 0;
m_SizeZ = 0;
}
void cBlockArea::Create(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes)
{
Clear();
int BlockCount = a_SizeX * a_SizeY * a_SizeZ;
if ((a_DataTypes & baTypes) != 0)
{
m_BlockTypes = new BLOCKTYPE[BlockCount];
for (int i = 0; i < BlockCount; i++)
{
m_BlockTypes[i] = E_BLOCK_AIR;
}
}
if ((a_DataTypes & baMetas) != 0)
{
m_BlockMetas = new NIBBLETYPE[BlockCount];
for (int i = 0; i < BlockCount; i++)
{
m_BlockMetas[i] = 0;
}
}
if ((a_DataTypes & baLight) != 0)
{
m_BlockLight = new NIBBLETYPE[BlockCount];
for (int i = 0; i < BlockCount; i++)
{
m_BlockLight[i] = 0;
}
}
if ((a_DataTypes & baSkyLight) != 0)
{
m_BlockSkyLight = new NIBBLETYPE[BlockCount];
for (int i = 0; i < BlockCount; i++)
{
m_BlockSkyLight[i] = 0x0f;
}
}
m_SizeX = a_SizeX;
m_SizeY = a_SizeY;
m_SizeZ = a_SizeZ;
m_OriginX = 0;
m_OriginY = 0;
m_OriginZ = 0;
}
void cBlockArea::SetOrigin(int a_OriginX, int a_OriginY, int a_OriginZ)
{
m_OriginX = a_OriginX;
m_OriginY = a_OriginY;
m_OriginZ = 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)
{
// Normalize the coords:
if (a_MinBlockX > a_MaxBlockX)
{
std::swap(a_MinBlockX, a_MaxBlockX);
}
if (a_MinBlockY > a_MaxBlockY)
{
std::swap(a_MinBlockY, a_MaxBlockY);
}
if (a_MinBlockZ > a_MaxBlockZ)
{
std::swap(a_MinBlockZ, a_MaxBlockZ);
}
// Include the Max coords:
a_MaxBlockX += 1;
a_MaxBlockY += 1;
a_MaxBlockZ += 1;
// Check coords validity:
if (a_MinBlockY < 0)
{
LOGWARNING("%s: MinBlockY less than zero, adjusting to zero", __FUNCTION__);
a_MinBlockY = 0;
}
else if (a_MinBlockY >= cChunkDef::Height)
{
LOGWARNING("%s: MinBlockY more than chunk height, adjusting to chunk height", __FUNCTION__);
a_MinBlockY = cChunkDef::Height - 1;
}
if (a_MaxBlockY < 0)
{
LOGWARNING("%s: MaxBlockY less than zero, adjusting to zero", __FUNCTION__);
a_MaxBlockY = 0;
}
else if (a_MaxBlockY >= cChunkDef::Height)
{
LOGWARNING("%s: MaxBlockY more than chunk height, adjusting to chunk height", __FUNCTION__);
a_MaxBlockY = cChunkDef::Height - 1;
}
// Allocate the needed memory:
Clear();
if (!SetSize(a_MaxBlockX - a_MinBlockX, a_MaxBlockY - a_MinBlockY, a_MaxBlockZ - a_MinBlockZ, a_DataTypes))
{
return false;
}
m_OriginX = a_MinBlockX;
m_OriginY = a_MinBlockY;
m_OriginZ = a_MinBlockZ;
cChunkReader Reader(*this);
// Convert block coords to chunks coords:
int MinChunkX, MaxChunkX;
int MinChunkZ, MaxChunkZ;
cChunkDef::AbsoluteToRelative(a_MinBlockX, a_MinBlockY, a_MinBlockZ, MinChunkX, MinChunkZ);
cChunkDef::AbsoluteToRelative(a_MaxBlockX, a_MaxBlockY, a_MaxBlockZ, MaxChunkX, MaxChunkZ);
// Query block data:
if (!a_World->ForEachChunkInRect(MinChunkX, MaxChunkX, MinChunkZ, MaxChunkZ, Reader))
{
Clear();
return false;
}
return true;
}
bool cBlockArea::Write(cWorld * a_World, 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
// Check coords validity:
if (a_MinBlockY < 0)
{
LOGWARNING("%s: MinBlockY less than zero, adjusting to zero", __FUNCTION__);
a_MinBlockY = 0;
}
else if (a_MinBlockY >= cChunkDef::Height - m_SizeY)
{
LOGWARNING("%s: MinBlockY + m_SizeY more than chunk height, adjusting to chunk height", __FUNCTION__);
a_MinBlockY = cChunkDef::Height - m_SizeY - 1;
}
return a_World->WriteBlockArea(*this, a_MinBlockX, a_MinBlockY, a_MinBlockZ, a_DataTypes);
}
void cBlockArea::CopyTo(cBlockArea & a_Into) const
{
if (&a_Into == this)
{
LOGWARNING("Trying to copy a cBlockArea into self, ignoring.");
return;
}
a_Into.Clear();
a_Into.SetSize(m_SizeX, m_SizeY, m_SizeZ, GetDataTypes());
a_Into.m_OriginX = m_OriginX;
a_Into.m_OriginY = m_OriginY;
a_Into.m_OriginZ = m_OriginZ;
int BlockCount = GetBlockCount();
if (HasBlockTypes())
{
memcpy(a_Into.m_BlockTypes, m_BlockTypes, BlockCount * sizeof(BLOCKTYPE));
}
if (HasBlockMetas())
{
memcpy(a_Into.m_BlockMetas, m_BlockMetas, BlockCount * sizeof(NIBBLETYPE));
}
if (HasBlockLights())
{
memcpy(a_Into.m_BlockLight, m_BlockLight, BlockCount * sizeof(NIBBLETYPE));
}
if (HasBlockSkyLights())
{
memcpy(a_Into.m_BlockSkyLight, m_BlockSkyLight, BlockCount * sizeof(NIBBLETYPE));
}
}
void cBlockArea::CopyFrom(const cBlockArea & a_From)
{
a_From.CopyTo(*this);
}
void cBlockArea::DumpToRawFile(const AString & a_FileName)
{
cFile f;
if (!f.Open(a_FileName, cFile::fmWrite))
{
LOGWARNING("cBlockArea: Cannot open file \"%s\" for raw dump", a_FileName.c_str());
return;
}
UInt32 SizeX = ntohl(m_SizeX);
UInt32 SizeY = ntohl(m_SizeY);
UInt32 SizeZ = ntohl(m_SizeZ);
f.Write(&SizeX, 4);
f.Write(&SizeY, 4);
f.Write(&SizeZ, 4);
unsigned char DataTypes = GetDataTypes();
f.Write(&DataTypes, 1);
int NumBlocks = GetBlockCount();
if (HasBlockTypes())
{
f.Write(m_BlockTypes, NumBlocks * sizeof(BLOCKTYPE));
}
if (HasBlockMetas())
{
f.Write(m_BlockMetas, NumBlocks);
}
if (HasBlockLights())
{
f.Write(m_BlockLight, NumBlocks);
}
if (HasBlockSkyLights())
{
f.Write(m_BlockSkyLight, NumBlocks);
}
}
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;
}
void cBlockArea::Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)
{
if (
(a_AddMinX + a_SubMaxX >= m_SizeX) ||
(a_AddMinY + a_SubMaxY >= m_SizeY) ||
(a_AddMinZ + a_SubMaxZ >= m_SizeZ)
)
{
LOGWARNING("cBlockArea:Crop called with more croping than the dimensions: %d x %d x %d with cropping %d, %d and %d",
m_SizeX, m_SizeY, m_SizeZ,
a_AddMinX + a_SubMaxX, a_AddMinY + a_SubMaxY, a_AddMinZ + a_SubMaxZ
);
return;
}
if (HasBlockTypes())
{
CropBlockTypes(a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);
}
if (HasBlockMetas())
{
CropNibbles(m_BlockMetas, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);
}
if (HasBlockLights())
{
CropNibbles(m_BlockLight, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);
}
if (HasBlockSkyLights())
{
CropNibbles(m_BlockSkyLight, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);
}
m_OriginX += a_AddMinX;
m_OriginY += a_AddMinY;
m_OriginZ += a_AddMinZ;
m_SizeX -= a_AddMinX + a_SubMaxX;
m_SizeY -= a_AddMinY + a_SubMaxY;
m_SizeZ -= a_AddMinZ + a_SubMaxZ;
}
void cBlockArea::Expand(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ)
{
if (HasBlockTypes())
{
ExpandBlockTypes(a_SubMinX, a_AddMaxX, a_SubMinY, a_AddMaxY, a_SubMinZ, a_AddMaxZ);
}
if (HasBlockMetas())
{
ExpandNibbles(m_BlockMetas, a_SubMinX, a_AddMaxX, a_SubMinY, a_AddMaxY, a_SubMinZ, a_AddMaxZ);
}
if (HasBlockLights())
{
ExpandNibbles(m_BlockLight, a_SubMinX, a_AddMaxX, a_SubMinY, a_AddMaxY, a_SubMinZ, a_AddMaxZ);
}
if (HasBlockSkyLights())
{
ExpandNibbles(m_BlockSkyLight, a_SubMinX, a_AddMaxX, a_SubMinY, a_AddMaxY, a_SubMinZ, a_AddMaxZ);
}
m_OriginX -= a_SubMinX;
m_OriginY -= a_SubMinY;
m_OriginZ -= a_SubMinZ;
m_SizeX += a_SubMinX + a_AddMaxX;
m_SizeY += a_SubMinY + a_AddMaxY;
m_SizeZ += a_SubMinZ + a_AddMaxZ;
}
void cBlockArea::Merge(const cBlockArea & a_Src, int a_RelX, int a_RelY, int a_RelZ, eMergeStrategy a_Strategy)
{
// Block types are compulsory, block metas are voluntary
if (!HasBlockTypes() || !a_Src.HasBlockTypes())
{
LOGWARNING("%s: cannot merge because one of the areas doesn't have blocktypes.", __FUNCTION__);
return;
}
// Dst is *this, Src is a_Src
int SrcOffX = std::max(0, -a_RelX); // Offset in Src where to start reading
int DstOffX = std::max(0, a_RelX); // Offset in Dst where to start writing
int SizeX = std::min(a_Src.GetSizeX() - SrcOffX, GetSizeX() - DstOffX); // How many blocks to copy
int SrcOffY = std::max(0, -a_RelY); // Offset in Src where to start reading
int DstOffY = std::max(0, a_RelY); // Offset in Dst where to start writing
int SizeY = std::min(a_Src.GetSizeY() - SrcOffY, GetSizeY() - DstOffY); // How many blocks to copy
int SrcOffZ = std::max(0, -a_RelZ); // Offset in Src where to start reading
int DstOffZ = std::max(0, a_RelZ); // Offset in Dst where to start writing
int SizeZ = std::min(a_Src.GetSizeZ() - SrcOffZ, GetSizeZ() - DstOffZ); // How many blocks to copy
const NIBBLETYPE * SrcMetas = a_Src.GetBlockMetas();
NIBBLETYPE * DstMetas = m_BlockMetas;
bool IsDummyMetas = ((SrcMetas == NULL) || (DstMetas == NULL));
if (IsDummyMetas)
{
SrcMetas = new NIBBLETYPE[a_Src.GetBlockCount()];
DstMetas = new NIBBLETYPE[GetBlockCount()];
}
switch (a_Strategy)
{
case msOverwrite:
{
InternalMergeBlocks(
m_BlockTypes, a_Src.GetBlockTypes(),
DstMetas, SrcMetas,
SizeX, SizeY, SizeZ,
SrcOffX, SrcOffY, SrcOffZ,
DstOffX, DstOffY, DstOffZ,
a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
m_SizeX, m_SizeY, m_SizeZ,
MergeCombinatorOverwrite
);
break;
} // case msOverwrite
case msFillAir:
{
InternalMergeBlocks(
m_BlockTypes, a_Src.GetBlockTypes(),
DstMetas, SrcMetas,
SizeX, SizeY, SizeZ,
SrcOffX, SrcOffY, SrcOffZ,
DstOffX, DstOffY, DstOffZ,
a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
m_SizeX, m_SizeY, m_SizeZ,
MergeCombinatorFillAir
);
break;
} // case msFillAir
case msImprint:
{
InternalMergeBlocks(
m_BlockTypes, a_Src.GetBlockTypes(),
DstMetas, SrcMetas,
SizeX, SizeY, SizeZ,
SrcOffX, SrcOffY, SrcOffZ,
DstOffX, DstOffY, DstOffZ,
a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
m_SizeX, m_SizeY, m_SizeZ,
MergeCombinatorImprint
);
break;
} // case msImprint
case msLake:
{
InternalMergeBlocks(
m_BlockTypes, a_Src.GetBlockTypes(),
DstMetas, SrcMetas,
SizeX, SizeY, SizeZ,
SrcOffX, SrcOffY, SrcOffZ,
DstOffX, DstOffY, DstOffZ,
a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
m_SizeX, m_SizeY, m_SizeZ,
MergeCombinatorLake
);
break;
} // case msLake
default:
{
LOGWARNING("Unknown block area merge strategy: %d", a_Strategy);
ASSERT(!"Unknown block area merge strategy");
break;
}
} // switch (a_Strategy)
if (IsDummyMetas)
{
delete[] SrcMetas;
delete[] DstMetas;
}
}
void cBlockArea::Fill(int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, NIBBLETYPE a_BlockLight, NIBBLETYPE a_BlockSkyLight)
{
if ((a_DataTypes & GetDataTypes()) != a_DataTypes)
{
LOGWARNING("%s: requested datatypes that are not present in the BlockArea object, trimming those away (req 0x%x, stor 0x%x)",
__FUNCTION__, a_DataTypes, GetDataTypes()
);
a_DataTypes = a_DataTypes & GetDataTypes();
}
int BlockCount = GetBlockCount();
if ((a_DataTypes & baTypes) != 0)
{
for (int i = 0; i < BlockCount; i++)
{
m_BlockTypes[i] = a_BlockType;
}
}
if ((a_DataTypes & baMetas) != 0)
{
for (int i = 0; i < BlockCount; i++)
{
m_BlockMetas[i] = a_BlockMeta;
}
}
if ((a_DataTypes & baLight) != 0)
{
for (int i = 0; i < BlockCount; i++)
{
m_BlockLight[i] = a_BlockLight;
}
}
if ((a_DataTypes & baSkyLight) != 0)
{
for (int i = 0; i < BlockCount; i++)
{
m_BlockSkyLight[i] = a_BlockSkyLight;
}
}
}
void cBlockArea::FillRelCuboid(int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ,
int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,
NIBBLETYPE a_BlockLight, NIBBLETYPE a_BlockSkyLight
)
{
if ((a_DataTypes & GetDataTypes()) != a_DataTypes)
{
LOGWARNING("%s: requested datatypes that are not present in the BlockArea object, trimming those away (req 0x%x, stor 0x%x)",
__FUNCTION__, a_DataTypes, GetDataTypes()
);
a_DataTypes = a_DataTypes & GetDataTypes();
}
if ((a_DataTypes & baTypes) != 0)
{
for (int y = a_MinRelY; y <= a_MaxRelY; y++) for (int z = a_MinRelZ; z <= a_MaxRelZ; z++) for (int x = a_MinRelX; x <= a_MaxRelX; x++)
{
m_BlockTypes[MakeIndex(x, y, z)] = a_BlockType;
} // for x, z, y
}
if ((a_DataTypes & baMetas) != 0)
{
for (int y = a_MinRelY; y <= a_MaxRelY; y++) for (int z = a_MinRelZ; z <= a_MaxRelZ; z++) for (int x = a_MinRelX; x <= a_MaxRelX; x++)
{
m_BlockMetas[MakeIndex(x, y, z)] = a_BlockMeta;
} // for x, z, y
}
if ((a_DataTypes & baLight) != 0)
{
for (int y = a_MinRelY; y <= a_MaxRelY; y++) for (int z = a_MinRelZ; z <= a_MaxRelZ; z++) for (int x = a_MinRelX; x <= a_MaxRelX; x++)
{
m_BlockLight[MakeIndex(x, y, z)] = a_BlockLight;
} // for x, z, y
}
if ((a_DataTypes & baSkyLight) != 0)
{
for (int y = a_MinRelY; y <= a_MaxRelY; y++) for (int z = a_MinRelZ; z <= a_MaxRelZ; z++) for (int x = a_MinRelX; x <= a_MaxRelX; x++)
{
m_BlockSkyLight[MakeIndex(x, y, z)] = a_BlockSkyLight;
} // for x, z, y
}
}
void cBlockArea::RelLine(int a_RelX1, int a_RelY1, int a_RelZ1, int a_RelX2, int a_RelY2, int a_RelZ2,
int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,
NIBBLETYPE a_BlockLight, NIBBLETYPE a_BlockSkyLight
)
{
// Bresenham-3D algorithm for drawing lines:
int dx = abs(a_RelX2 - a_RelX1);
int dy = abs(a_RelY2 - a_RelY1);
int dz = abs(a_RelZ2 - a_RelZ1);
int sx = (a_RelX1 < a_RelX2) ? 1 : -1;
int sy = (a_RelY1 < a_RelY2) ? 1 : -1;
int sz = (a_RelZ1 < a_RelZ2) ? 1 : -1;
int err = dx - dz;
if (dx >= std::max(dy, dz)) // x dominant
{
int yd = dy - dx / 2;
int zd = dz - dx / 2;
while (true)
{
RelSetData(a_RelX1, a_RelY1, a_RelZ1, a_DataTypes, a_BlockType, a_BlockMeta, a_BlockLight, a_BlockSkyLight);
if (a_RelX1 == a_RelX2)
{
break;
}
if (yd >= 0) // move along y
{
a_RelY1 += sy;
yd -= dx;
}
if (zd >= 0) // move along z
{
a_RelZ1 += sz;
zd -= dx;
}
// move along x
a_RelX1 += sx;
yd += dy;
zd += dz;
}
}
else if (dy >= std::max(dx, dz)) // y dominant
{
int xd = dx - dy / 2;
int zd = dz - dy / 2;
while (true)
{
RelSetData(a_RelX1, a_RelY1, a_RelZ1, a_DataTypes, a_BlockType, a_BlockMeta, a_BlockLight, a_BlockSkyLight);
if (a_RelY1 == a_RelY2)
{
break;
}
if (xd >= 0) // move along x
{
a_RelX1 += sx;
xd -= dy;
}
if (zd >= 0) // move along z
{
a_RelZ1 += sz;
zd -= dy;
}
// move along y
a_RelY1 += sy;
xd += dx;
zd += dz;
}
}
else
{
// z dominant
ASSERT(dz >= std::max(dx, dy));
int xd = dx - dz / 2;
int yd = dy - dz / 2;
while (true)
{
RelSetData(a_RelX1, a_RelY1, a_RelZ1, a_DataTypes, a_BlockType, a_BlockMeta, a_BlockLight, a_BlockSkyLight);
if (a_RelZ1 == a_RelZ2)
{
break;
}
if (xd >= 0) // move along x
{
a_RelX1 += sx;
xd -= dz;
}
if (yd >= 0) // move along y
{
a_RelY1 += sy;
yd -= dz;
}
// move along z
a_RelZ1 += sz;
xd += dx;
yd += dy;
}
} // if (which dimension is dominant)
}
void cBlockArea::RotateCCW(void)
{
if (!HasBlockTypes())
{
LOGWARNING("cBlockArea: Cannot rotate blockmeta without blocktypes!");
return;
}
if (!HasBlockMetas())
{
// There are no blockmetas to rotate, just use the NoMeta function
RotateCCWNoMeta();
return;
}
// We are guaranteed that both blocktypes and blockmetas exist; rotate both at the same time:
BLOCKTYPE * NewTypes = new BLOCKTYPE[m_SizeX * m_SizeY * m_SizeZ];
NIBBLETYPE * NewMetas = new NIBBLETYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = m_SizeX - x - 1;
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = z;
for (int y = 0; y < m_SizeY; y++)
{
int NewIdx = NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ;
int OldIdx = MakeIndex(x, y, z);
NewTypes[NewIdx] = m_BlockTypes[OldIdx];
NewMetas[NewIdx] = BlockHandler(m_BlockTypes[OldIdx])->MetaRotateCCW(m_BlockMetas[OldIdx]);
} // for y
} // for z
} // for x
std::swap(m_BlockTypes, NewTypes);
std::swap(m_BlockMetas, NewMetas);
delete[] NewTypes;
delete[] NewMetas;
std::swap(m_SizeX, m_SizeZ);
}
void cBlockArea::RotateCW(void)
{
if (!HasBlockTypes())
{
LOGWARNING("cBlockArea: Cannot rotate blockmeta without blocktypes!");
return;
}
if (!HasBlockMetas())
{
// There are no blockmetas to rotate, just use the NoMeta function
RotateCWNoMeta();
return;
}
// We are guaranteed that both blocktypes and blockmetas exist; rotate both at the same time:
BLOCKTYPE * NewTypes = new BLOCKTYPE[m_SizeX * m_SizeY * m_SizeZ];
NIBBLETYPE * NewMetas = new NIBBLETYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = x;
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = m_SizeZ - z - 1;
for (int y = 0; y < m_SizeY; y++)
{
int NewIdx = NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ;
int OldIdx = MakeIndex(x, y, z);
NewTypes[NewIdx] = m_BlockTypes[OldIdx];
NewMetas[NewIdx] = BlockHandler(m_BlockTypes[OldIdx])->MetaRotateCW(m_BlockMetas[OldIdx]);
} // for y
} // for z
} // for x
std::swap(m_BlockTypes, NewTypes);
std::swap(m_BlockMetas, NewMetas);
delete[] NewTypes;
delete[] NewMetas;
std::swap(m_SizeX, m_SizeZ);
}
void cBlockArea::MirrorXY(void)
{
if (!HasBlockTypes())
{
LOGWARNING("cBlockArea: Cannot mirror meta without blocktypes!");
return;
}
if (!HasBlockMetas())
{
// There are no blockmetas to mirror, just use the NoMeta function
MirrorXYNoMeta();
return;
}
// We are guaranteed that both blocktypes and blockmetas exist; mirror both at the same time:
int HalfZ = m_SizeZ / 2;
int MaxZ = m_SizeZ - 1;
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < HalfZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
int Idx1 = MakeIndex(x, y, z);
int Idx2 = MakeIndex(x, y, MaxZ - z);
std::swap(m_BlockTypes[Idx1], m_BlockTypes[Idx2]);
NIBBLETYPE Meta1 = BlockHandler(m_BlockTypes[Idx2])->MetaMirrorXY(m_BlockMetas[Idx1]);
NIBBLETYPE Meta2 = BlockHandler(m_BlockTypes[Idx1])->MetaMirrorXY(m_BlockMetas[Idx2]);
m_BlockMetas[Idx1] = Meta2;
m_BlockMetas[Idx2] = Meta1;
} // for x
} // for z
} // for y
}
void cBlockArea::MirrorXZ(void)
{
if (!HasBlockTypes())
{
LOGWARNING("cBlockArea: Cannot mirror meta without blocktypes!");
return;
}
if (!HasBlockMetas())
{
// There are no blockmetas to mirror, just use the NoMeta function
MirrorXZNoMeta();
return;
}
// We are guaranteed that both blocktypes and blockmetas exist; mirror both at the same time:
int HalfY = m_SizeY / 2;
int MaxY = m_SizeY - 1;
for (int y = 0; y < HalfY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
int Idx1 = MakeIndex(x, y, z);
int Idx2 = MakeIndex(x, MaxY - y, z);
std::swap(m_BlockTypes[Idx1], m_BlockTypes[Idx2]);
NIBBLETYPE Meta1 = BlockHandler(m_BlockTypes[Idx2])->MetaMirrorXZ(m_BlockMetas[Idx1]);
NIBBLETYPE Meta2 = BlockHandler(m_BlockTypes[Idx1])->MetaMirrorXZ(m_BlockMetas[Idx2]);
m_BlockMetas[Idx1] = Meta2;
m_BlockMetas[Idx2] = Meta1;
} // for x
} // for z
} // for y
}
void cBlockArea::MirrorYZ(void)
{
if (!HasBlockTypes())
{
LOGWARNING("cBlockArea: Cannot mirror meta without blocktypes!");
return;
}
if (!HasBlockMetas())
{
// There are no blockmetas to mirror, just use the NoMeta function
MirrorYZNoMeta();
return;
}
// We are guaranteed that both blocktypes and blockmetas exist; mirror both at the same time:
int HalfX = m_SizeX / 2;
int MaxX = m_SizeX - 1;
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < HalfX; x++)
{
int Idx1 = MakeIndex(x, y, z);
int Idx2 = MakeIndex(MaxX - x, y, z);
std::swap(m_BlockTypes[Idx1], m_BlockTypes[Idx2]);
NIBBLETYPE Meta1 = BlockHandler(m_BlockTypes[Idx2])->MetaMirrorYZ(m_BlockMetas[Idx1]);
NIBBLETYPE Meta2 = BlockHandler(m_BlockTypes[Idx1])->MetaMirrorYZ(m_BlockMetas[Idx2]);
m_BlockMetas[Idx1] = Meta2;
m_BlockMetas[Idx2] = Meta1;
} // for x
} // for z
} // for y
}
void cBlockArea::RotateCCWNoMeta(void)
{
if (HasBlockTypes())
{
BLOCKTYPE * NewTypes = new BLOCKTYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = m_SizeX - x - 1;
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = z;
for (int y = 0; y < m_SizeY; y++)
{
NewTypes[NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ] = m_BlockTypes[MakeIndex(x, y, z)];
} // for y
} // for z
} // for x
std::swap(m_BlockTypes, NewTypes);
delete[] NewTypes;
}
if (HasBlockMetas())
{
NIBBLETYPE * NewMetas = new NIBBLETYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = m_SizeX - x - 1;
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = z;
for (int y = 0; y < m_SizeY; y++)
{
NewMetas[NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ] = m_BlockMetas[MakeIndex(x, y, z)];
} // for y
} // for z
} // for x
std::swap(m_BlockMetas, NewMetas);
delete[] NewMetas;
}
std::swap(m_SizeX, m_SizeZ);
}
void cBlockArea::RotateCWNoMeta(void)
{
if (HasBlockTypes())
{
BLOCKTYPE * NewTypes = new BLOCKTYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = m_SizeZ - z - 1;
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = x;
for (int y = 0; y < m_SizeY; y++)
{
NewTypes[NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ] = m_BlockTypes[MakeIndex(x, y, z)];
} // for y
} // for x
} // for z
std::swap(m_BlockTypes, NewTypes);
delete[] NewTypes;
}
if (HasBlockMetas())
{
NIBBLETYPE * NewMetas = new NIBBLETYPE[m_SizeX * m_SizeY * m_SizeZ];
for (int z = 0; z < m_SizeZ; z++)
{
int NewX = m_SizeZ - z - 1;
for (int x = 0; x < m_SizeX; x++)
{
int NewZ = x;
for (int y = 0; y < m_SizeY; y++)
{
NewMetas[NewX + NewZ * m_SizeX + y * m_SizeX * m_SizeZ] = m_BlockMetas[MakeIndex(x, y, z)];
} // for y
} // for x
} // for z
std::swap(m_BlockMetas, NewMetas);
delete[] NewMetas;
}
std::swap(m_SizeX, m_SizeZ);
}
void cBlockArea::MirrorXYNoMeta(void)
{
int HalfZ = m_SizeZ / 2;
int MaxZ = m_SizeZ - 1;
if (HasBlockTypes())
{
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < HalfZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
std::swap(m_BlockTypes[MakeIndex(x, y, z)], m_BlockTypes[MakeIndex(x, y, MaxZ - z)]);
} // for x
} // for z
} // for y
} // if (HasBlockTypes)
if (HasBlockMetas())
{
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < HalfZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
std::swap(m_BlockMetas[MakeIndex(x, y, z)], m_BlockMetas[MakeIndex(x, y, MaxZ - z)]);
} // for x
} // for z
} // for y
} // if (HasBlockMetas)
}
void cBlockArea::MirrorXZNoMeta(void)
{
int HalfY = m_SizeY / 2;
int MaxY = m_SizeY - 1;
if (HasBlockTypes())
{
for (int y = 0; y < HalfY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
std::swap(m_BlockTypes[MakeIndex(x, y, z)], m_BlockTypes[MakeIndex(x, MaxY - y, z)]);
} // for x
} // for z
} // for y
} // if (HasBlockTypes)
if (HasBlockMetas())
{
for (int y = 0; y < HalfY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < m_SizeX; x++)
{
std::swap(m_BlockMetas[MakeIndex(x, y, z)], m_BlockMetas[MakeIndex(x, MaxY - y, z)]);
} // for x
} // for z
} // for y
} // if (HasBlockMetas)
}
void cBlockArea::MirrorYZNoMeta(void)
{
int HalfX = m_SizeX / 2;
int MaxX = m_SizeX - 1;
if (HasBlockTypes())
{
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < HalfX; x++)
{
std::swap(m_BlockTypes[MakeIndex(x, y, z)], m_BlockTypes[MakeIndex(MaxX - x, y, z)]);
} // for x
} // for z
} // for y
} // if (HasBlockTypes)
if (HasBlockMetas())
{
for (int y = 0; y < m_SizeY; y++)
{
for (int z = 0; z < m_SizeZ; z++)
{
for (int x = 0; x < HalfX; x++)
{
std::swap(m_BlockMetas[MakeIndex(x, y, z)], m_BlockMetas[MakeIndex(MaxX - x, y, z)]);
} // for x
} // for z
} // for y
} // if (HasBlockMetas)
}
void cBlockArea::SetRelBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType)
{
if (m_BlockTypes == NULL)
{
LOGWARNING("cBlockArea: BlockTypes have not been read!");
return;
}
m_BlockTypes[MakeIndex(a_RelX, a_RelY, a_RelZ)] = a_BlockType;
}
void cBlockArea::SetBlockType(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType)
{
SetRelBlockType(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ, a_BlockType);
}
void cBlockArea::SetRelBlockMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockMeta)
{
SetRelNibble(a_RelX, a_RelY, a_RelZ, a_BlockMeta, m_BlockMetas);
}
void cBlockArea::SetBlockMeta(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockMeta)
{
SetNibble(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta, m_BlockMetas);
}
void cBlockArea::SetRelBlockLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockLight)
{
SetRelNibble(a_RelX, a_RelY, a_RelZ, a_BlockLight, m_BlockLight);
}
void cBlockArea::SetBlockLight(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockLight)
{
SetNibble(a_BlockX, a_BlockY, a_BlockZ, a_BlockLight, m_BlockLight);
}
void cBlockArea::SetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockSkyLight)
{
SetRelNibble(a_RelX, a_RelY, a_RelZ, a_BlockSkyLight, m_BlockSkyLight);
}
void cBlockArea::SetBlockSkyLight(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockSkyLight)
{
SetNibble(a_BlockX, a_BlockY, a_BlockZ, a_BlockSkyLight, m_BlockSkyLight);
}
BLOCKTYPE cBlockArea::GetRelBlockType(int a_RelX, int a_RelY, int a_RelZ) const
{
if (m_BlockTypes == NULL)
{
LOGWARNING("cBlockArea: BlockTypes have not been read!");
return E_BLOCK_AIR;
}
return m_BlockTypes[MakeIndex(a_RelX, a_RelY, a_RelZ)];
}
BLOCKTYPE cBlockArea::GetBlockType(int a_BlockX, int a_BlockY, int a_BlockZ) const
{
return GetRelBlockType(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ);
}
NIBBLETYPE cBlockArea::GetRelBlockMeta(int a_RelX, int a_RelY, int a_RelZ) const
{
return GetRelNibble(a_RelX, a_RelY, a_RelZ, m_BlockMetas);
}
NIBBLETYPE cBlockArea::GetBlockMeta(int a_BlockX, int a_BlockY, int a_BlockZ) const
{
return GetNibble(a_BlockX, a_BlockY, a_BlockZ, m_BlockMetas);
}
NIBBLETYPE cBlockArea::GetRelBlockLight(int a_RelX, int a_RelY, int a_RelZ) const
{
return GetRelNibble(a_RelX, a_RelY, a_RelZ, m_BlockLight);
}
NIBBLETYPE cBlockArea::GetBlockLight(int a_BlockX, int a_BlockY, int a_BlockZ) const
{
return GetNibble(a_BlockX, a_BlockY, a_BlockZ, m_BlockLight);
}
NIBBLETYPE cBlockArea::GetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ) const
{
return GetRelNibble(a_RelX, a_RelY, a_RelZ, m_BlockSkyLight);
}
NIBBLETYPE cBlockArea::GetBlockSkyLight(int a_BlockX, int a_BlockY, int a_BlockZ) const
{
return GetNibble(a_BlockX, a_BlockY, a_BlockZ, m_BlockSkyLight);
}
void cBlockArea::SetBlockTypeMeta(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
SetRelBlockTypeMeta(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ, a_BlockType, a_BlockMeta);
}
void cBlockArea::SetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
{
int idx = MakeIndex(a_RelX, a_RelY, a_RelZ);
if (m_BlockTypes == NULL)
{
LOGWARNING("%s: BlockTypes not available but requested to be written to.", __FUNCTION__);
}
else
{
m_BlockTypes[idx] = a_BlockType;
}
if (m_BlockMetas == NULL)
{
LOGWARNING("%s: BlockMetas not available but requested to be written to.", __FUNCTION__);
}
else
{
m_BlockMetas[idx] = a_BlockMeta;
}
}
void cBlockArea::GetBlockTypeMeta(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const
{
return GetRelBlockTypeMeta(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ, a_BlockType, a_BlockMeta);
}
void cBlockArea::GetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const
{
int idx = MakeIndex(a_RelX, a_RelY, a_RelZ);
if (m_BlockTypes == NULL)
{
LOGWARNING("cBlockArea: BlockTypes have not been read!");
a_BlockType = E_BLOCK_AIR;
}
else
{
a_BlockType = m_BlockTypes[idx];
}
if (m_BlockMetas == NULL)
{
LOGWARNING("cBlockArea: BlockMetas have not been read!");
a_BlockMeta = 0;
}
else
{
a_BlockMeta = m_BlockMetas[idx];
}
}
int cBlockArea::GetDataTypes(void) const
{
int res = 0;
if (m_BlockTypes != NULL)
{
res |= baTypes;
}
if (m_BlockMetas != NULL)
{
res |= baMetas;
}
if (m_BlockLight != NULL)
{
res |= baLight;
}
if (m_BlockSkyLight != NULL)
{
res |= baSkyLight;
}
return res;
}
bool cBlockArea::SetSize(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes)
{
ASSERT(m_BlockTypes == NULL); // Has been cleared
if (a_DataTypes & baTypes)
{
m_BlockTypes = new BLOCKTYPE[a_SizeX * a_SizeY * a_SizeZ];
if (m_BlockTypes == NULL)
{
return false;
}
}
if (a_DataTypes & baMetas)
{
m_BlockMetas = new NIBBLETYPE[a_SizeX * a_SizeY * a_SizeZ];
if (m_BlockMetas == NULL)
{
delete[] m_BlockTypes;
return false;
}
}
if (a_DataTypes & baLight)
{
m_BlockLight = new NIBBLETYPE[a_SizeX * a_SizeY * a_SizeZ];
if (m_BlockLight == NULL)
{
delete[] m_BlockMetas;
delete[] m_BlockTypes;
return false;
}
}
if (a_DataTypes & baSkyLight)
{
m_BlockSkyLight = new NIBBLETYPE[a_SizeX * a_SizeY * a_SizeZ];
if (m_BlockSkyLight == NULL)
{
delete[] m_BlockLight;
delete[] m_BlockMetas;
delete[] m_BlockTypes;
return false;
}
}
m_SizeX = a_SizeX;
m_SizeY = a_SizeY;
m_SizeZ = a_SizeZ;
return true;
}
int cBlockArea::MakeIndex(int a_RelX, int a_RelY, int a_RelZ) const
{
ASSERT(a_RelX >= 0);
ASSERT(a_RelX < m_SizeX);
ASSERT(a_RelY >= 0);
ASSERT(a_RelY < m_SizeY);
ASSERT(a_RelZ >= 0);
ASSERT(a_RelZ < m_SizeZ);
return a_RelX + a_RelZ * m_SizeX + a_RelY * m_SizeX * m_SizeZ;
}
void cBlockArea::SetRelNibble(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Value, NIBBLETYPE * a_Array)
{
if (a_Array == NULL)
{
LOGWARNING("cBlockArea: datatype has not been read!");
return;
}
a_Array[MakeIndex(a_RelX, a_RelY, a_RelZ)] = a_Value;
}
void cBlockArea::SetNibble(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Value, NIBBLETYPE * a_Array)
{
SetRelNibble(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ, a_Value, a_Array);
}
NIBBLETYPE cBlockArea::GetRelNibble(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE * a_Array) const
{
if (a_Array == NULL)
{
LOGWARNING("cBlockArea: datatype has not been read!");
return 16;
}
return a_Array[MakeIndex(a_RelX, a_RelY, a_RelZ)];
}
NIBBLETYPE cBlockArea::GetNibble(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE * a_Array) const
{
return GetRelNibble(a_BlockX - m_OriginX, a_BlockY - m_OriginY, a_BlockZ - m_OriginZ, a_Array);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cBlockArea::cChunkReader:
cBlockArea::cChunkReader::cChunkReader(cBlockArea & a_Area) :
m_Area(a_Area),
m_OriginX(a_Area.m_OriginX),
m_OriginY(a_Area.m_OriginY),
m_OriginZ(a_Area.m_OriginZ)
{
}
void cBlockArea::cChunkReader::CopyNibbles(NIBBLETYPE * a_AreaDst, const NIBBLETYPE * a_ChunkSrc)
{
int SizeY = m_Area.m_SizeY;
int MinY = m_OriginY;
// SizeX, SizeZ are the dmensions of the block data to copy from the current chunk (size of the geometric union)
// OffX, OffZ are the offsets of the current chunk data from the area origin
// BaseX, BaseZ are the offsets of the area data within the current chunk from the chunk borders
int SizeX = cChunkDef::Width;
int SizeZ = cChunkDef::Width;
int OffX, OffZ;
int BaseX, BaseZ;
OffX = m_CurrentChunkX * cChunkDef::Width - m_OriginX;
if (OffX < 0)
{
BaseX = -OffX;
SizeX += OffX; // SizeX is decreased, OffX is negative
OffX = 0;
}
else
{
BaseX = 0;
}
OffZ = m_CurrentChunkZ * cChunkDef::Width - m_OriginZ;
if (OffZ < 0)
{
BaseZ = -OffZ;
SizeZ += OffZ; // SizeZ is decreased, OffZ is negative
OffZ = 0;
}
else
{
BaseZ = 0;
}
// If the chunk extends beyond the area in the X or Z axis, cut off the Size:
if ((m_CurrentChunkX + 1) * cChunkDef::Width > m_OriginX + m_Area.m_SizeX)
{
SizeX -= (m_CurrentChunkX + 1) * cChunkDef::Width - (m_OriginX + m_Area.m_SizeX);
}
if ((m_CurrentChunkZ + 1) * cChunkDef::Width > m_OriginZ + m_Area.m_SizeZ)
{
SizeZ -= (m_CurrentChunkZ + 1) * cChunkDef::Width - (m_OriginZ + m_Area.m_SizeZ);
}
for (int y = 0; y < SizeY; y++)
{
int ChunkY = MinY + y;
int AreaY = y;
for (int z = 0; z < SizeZ; z++)
{
int ChunkZ = BaseZ + z;
int AreaZ = OffZ + z;
for (int x = 0; x < SizeX; x++)
{
int ChunkX = BaseX + x;
int AreaX = OffX + x;
a_AreaDst[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = cChunkDef::GetNibble(a_ChunkSrc, ChunkX, ChunkY, ChunkZ);
} // for x
} // for z
} // for y
}
bool cBlockArea::cChunkReader::Coords(int a_ChunkX, int a_ChunkZ)
{
m_CurrentChunkX = a_ChunkX;
m_CurrentChunkZ = a_ChunkZ;
return true;
}
void cBlockArea::cChunkReader::BlockTypes(const BLOCKTYPE * a_BlockTypes)
{
if (m_Area.m_BlockTypes == NULL)
{
// Don't want BlockTypes
return;
}
int SizeY = m_Area.m_SizeY;
int MinY = m_OriginY;
// SizeX, SizeZ are the dmensions of the block data to copy from the current chunk (size of the geometric union)
// OffX, OffZ are the offsets of the current chunk data from the area origin
// BaseX, BaseZ are the offsets of the area data within the current chunk from the chunk borders
int SizeX = cChunkDef::Width;
int SizeZ = cChunkDef::Width;
int OffX, OffZ;
int BaseX, BaseZ;
OffX = m_CurrentChunkX * cChunkDef::Width - m_OriginX;
if (OffX < 0)
{
BaseX = -OffX;
SizeX += OffX; // SizeX is decreased, OffX is negative
OffX = 0;
}
else
{
BaseX = 0;
}
OffZ = m_CurrentChunkZ * cChunkDef::Width - m_OriginZ;
if (OffZ < 0)
{
BaseZ = -OffZ;
SizeZ += OffZ; // SizeZ is decreased, OffZ is negative
OffZ = 0;
}
else
{
BaseZ = 0;
}
// If the chunk extends beyond the area in the X or Z axis, cut off the Size:
if ((m_CurrentChunkX + 1) * cChunkDef::Width > m_OriginX + m_Area.m_SizeX)
{
SizeX -= (m_CurrentChunkX + 1) * cChunkDef::Width - (m_OriginX + m_Area.m_SizeX);
}
if ((m_CurrentChunkZ + 1) * cChunkDef::Width > m_OriginZ + m_Area.m_SizeZ)
{
SizeZ -= (m_CurrentChunkZ + 1) * cChunkDef::Width - (m_OriginZ + m_Area.m_SizeZ);
}
for (int y = 0; y < SizeY; y++)
{
int ChunkY = MinY + y;
int AreaY = y;
for (int z = 0; z < SizeZ; z++)
{
int ChunkZ = BaseZ + z;
int AreaZ = OffZ + z;
for (int x = 0; x < SizeX; x++)
{
int ChunkX = BaseX + x;
int AreaX = OffX + x;
m_Area.m_BlockTypes[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = cChunkDef::GetBlock(a_BlockTypes, ChunkX, ChunkY, ChunkZ);
} // for x
} // for z
} // for y
}
void cBlockArea::cChunkReader::BlockMeta(const NIBBLETYPE * a_BlockMetas)
{
if (m_Area.m_BlockMetas == NULL)
{
// Don't want metas
return;
}
CopyNibbles(m_Area.m_BlockMetas, a_BlockMetas);
}
void cBlockArea::cChunkReader::BlockLight(const NIBBLETYPE * a_BlockLight)
{
if (m_Area.m_BlockLight == NULL)
{
// Don't want light
return;
}
CopyNibbles(m_Area.m_BlockLight, a_BlockLight);
}
void cBlockArea::cChunkReader::BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight)
{
if (m_Area.m_BlockSkyLight == NULL)
{
// Don't want skylight
return;
}
CopyNibbles(m_Area.m_BlockSkyLight, a_BlockSkyLight);
}
void cBlockArea::CropBlockTypes(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)
{
int NewSizeX = GetSizeX() - a_AddMinX - a_SubMaxX;
int NewSizeY = GetSizeY() - a_AddMinY - a_SubMaxY;
int NewSizeZ = GetSizeZ() - a_AddMinZ - a_SubMaxZ;
BLOCKTYPE * NewBlockTypes = new BLOCKTYPE[NewSizeX * NewSizeY * NewSizeZ];
int idx = 0;
for (int y = 0; y < NewSizeY; y++)
{
for (int z = 0; z < NewSizeZ; z++)
{
for (int x = 0; x < NewSizeX; x++)
{
int OldIndex = MakeIndex(x + a_AddMinX, y + a_AddMinY, z + a_AddMinZ);
NewBlockTypes[idx++] = m_BlockTypes[OldIndex];
} // for x
} // for z
} // for y
delete m_BlockTypes;
m_BlockTypes = NewBlockTypes;
}
void cBlockArea::CropNibbles(NIBBLEARRAY & a_Array, int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)
{
int NewSizeX = GetSizeX() - a_AddMinX - a_SubMaxX;
int NewSizeY = GetSizeY() - a_AddMinY - a_SubMaxY;
int NewSizeZ = GetSizeZ() - a_AddMinZ - a_SubMaxZ;
NIBBLETYPE * NewNibbles = new NIBBLETYPE[NewSizeX * NewSizeY * NewSizeZ];
int idx = 0;
for (int y = 0; y < NewSizeY; y++)
{
for (int z = 0; z < NewSizeZ; z++)
{
for (int x = 0; x < NewSizeX; x++)
{
NewNibbles[idx++] = a_Array[MakeIndex(x + a_AddMinX, y + a_AddMinY, z + a_AddMinZ)];
} // for x
} // for z
} // for y
delete a_Array;
a_Array = NewNibbles;
}
void cBlockArea::ExpandBlockTypes(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ)
{
int NewSizeX = m_SizeX + a_SubMinX + a_AddMaxX;
int NewSizeY = m_SizeY + a_SubMinY + a_AddMaxY;
int NewSizeZ = m_SizeZ + a_SubMinZ + a_AddMaxZ;
int BlockCount = NewSizeX * NewSizeY * NewSizeZ;
BLOCKTYPE * NewBlockTypes = new BLOCKTYPE[BlockCount];
memset(NewBlockTypes, 0, BlockCount * sizeof(BLOCKTYPE));
int OldIndex = 0;
for (int y = 0; y < m_SizeY; y++)
{
int IndexBaseY = (y + a_SubMinY) * m_SizeX * m_SizeZ;
for (int z = 0; z < m_SizeZ; z++)
{
int IndexBaseZ = IndexBaseY + (z + a_SubMinZ) * m_SizeX;
int idx = IndexBaseZ + a_SubMinX;
for (int x = 0; x < m_SizeX; x++)
{
NewBlockTypes[idx++] = m_BlockTypes[OldIndex++];
} // for x
} // for z
} // for y
delete m_BlockTypes;
m_BlockTypes = NewBlockTypes;
}
void cBlockArea::ExpandNibbles(NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ)
{
int NewSizeX = m_SizeX + a_SubMinX + a_AddMaxX;
int NewSizeY = m_SizeY + a_SubMinY + a_AddMaxY;
int NewSizeZ = m_SizeZ + a_SubMinZ + a_AddMaxZ;
int BlockCount = NewSizeX * NewSizeY * NewSizeZ;
NIBBLETYPE * NewNibbles = new NIBBLETYPE[BlockCount];
memset(NewNibbles, 0, BlockCount * sizeof(NIBBLETYPE));
int OldIndex = 0;
for (int y = 0; y < m_SizeY; y++)
{
int IndexBaseY = (y + a_SubMinY) * m_SizeX * m_SizeZ;
for (int z = 0; z < m_SizeZ; z++)
{
int IndexBaseZ = IndexBaseY + (z + a_SubMinZ) * m_SizeX;
int idx = IndexBaseZ + a_SubMinX;
for (int x = 0; x < m_SizeX; x++)
{
NewNibbles[idx++] = a_Array[OldIndex++];
} // for x
} // for z
} // for y
delete a_Array;
a_Array = NewNibbles;
}
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,
NIBBLETYPE a_BlockLight, NIBBLETYPE a_BlockSkyLight
)
{
int Index = MakeIndex(a_RelX, a_RelY, a_RelZ);
if ((a_DataTypes & baTypes) != 0)
{
m_BlockTypes[Index] = a_BlockType;
}
if ((a_DataTypes & baMetas) != 0)
{
m_BlockMetas[Index] = a_BlockMeta;
}
if ((a_DataTypes & baLight) != 0)
{
m_BlockLight[Index] = a_BlockLight;
}
if ((a_DataTypes & baSkyLight) != 0)
{
m_BlockSkyLight[Index] = a_BlockSkyLight;
}
}
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