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-rw-r--r--src/BlockArea.cpp180
1 files changed, 117 insertions, 63 deletions
diff --git a/src/BlockArea.cpp b/src/BlockArea.cpp
index 11bd76e6c..4fe6cd51e 100644
--- a/src/BlockArea.cpp
+++ b/src/BlockArea.cpp
@@ -309,6 +309,14 @@ void cBlockArea::Clear(void)
void cBlockArea::Create(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes)
{
+ if ((a_SizeX < 0) || (a_SizeY < 0) || (a_SizeZ < 0))
+ {
+ LOGWARNING("Creating a cBlockArea with a negative size! Call to Create ignored. (%d, %d, %d)",
+ a_SizeX, a_SizeY, a_SizeZ
+ );
+ return;
+ }
+
Clear();
int BlockCount = a_SizeX * a_SizeY * a_SizeZ;
if ((a_DataTypes & baTypes) != 0)
@@ -1835,87 +1843,133 @@ bool cBlockArea::cChunkReader::Coords(int a_ChunkX, int a_ChunkZ)
-void cBlockArea::cChunkReader::ChunkData(const cChunkData & a_BlockBuffer)
+void cBlockArea::cChunkReader::ChunkData(const cChunkData & a_BlockBuffer)
{
+ int SizeY = m_Area.m_Size.y;
+ int MinY = m_Origin.y;
+
+ // SizeX, SizeZ are the dimensions 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_Origin.x;
+ if (OffX < 0)
{
- if (m_Area.m_BlockTypes != NULL)
- {
- int SizeY = m_Area.m_Size.y;
- int MinY = m_Origin.y;
+ BaseX = -OffX;
+ SizeX += OffX; // SizeX is decreased, OffX is negative
+ OffX = 0;
+ }
+ else
+ {
+ BaseX = 0;
+ }
+ OffZ = m_CurrentChunkZ * cChunkDef::Width - m_Origin.z;
+ 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_Origin.x + m_Area.m_Size.x)
+ {
+ SizeX -= (m_CurrentChunkX + 1) * cChunkDef::Width - (m_Origin.x + m_Area.m_Size.x);
+ }
+ if ((m_CurrentChunkZ + 1) * cChunkDef::Width > m_Origin.z + m_Area.m_Size.z)
+ {
+ SizeZ -= (m_CurrentChunkZ + 1) * cChunkDef::Width - (m_Origin.z + m_Area.m_Size.z);
+ }
- // SizeX, SizeZ are the dimensions 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_Origin.x;
- if (OffX < 0)
- {
- BaseX = -OffX;
- SizeX += OffX; // SizeX is decreased, OffX is negative
- OffX = 0;
- }
- else
- {
- BaseX = 0;
- }
- OffZ = m_CurrentChunkZ * cChunkDef::Width - m_Origin.z;
- 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_Origin.x + m_Area.m_Size.x)
- {
- SizeX -= (m_CurrentChunkX + 1) * cChunkDef::Width - (m_Origin.x + m_Area.m_Size.x);
- }
- if ((m_CurrentChunkZ + 1) * cChunkDef::Width > m_Origin.z + m_Area.m_Size.z)
- {
- SizeZ -= (m_CurrentChunkZ + 1) * cChunkDef::Width - (m_Origin.z + m_Area.m_Size.z);
- }
-
- for (int y = 0; y < SizeY; y++)
+ // Copy the blocktypes:
+ if (m_Area.m_BlockTypes != NULL)
+ {
+ for (int y = 0; y < SizeY; y++)
+ {
+ int InChunkY = MinY + y;
+ int AreaY = y;
+ for (int z = 0; z < SizeZ; z++)
{
- int ChunkY = MinY + y;
- int AreaY = y;
- for (int z = 0; z < SizeZ; z++)
+ int InChunkZ = BaseZ + z;
+ int AreaZ = OffZ + z;
+ for (int x = 0; x < SizeX; x++)
{
- 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)] = a_BlockBuffer.GetBlock(ChunkX, ChunkY, ChunkZ);
- } // for x
- } // for z
- } // for y
- }
+ int InChunkX = BaseX + x;
+ int AreaX = OffX + x;
+ m_Area.m_BlockTypes[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = a_BlockBuffer.GetBlock(InChunkX, InChunkY, InChunkZ);
+ } // for x
+ } // for z
+ } // for y
}
+ // Copy the block metas:
if (m_Area.m_BlockMetas != NULL)
{
- a_BlockBuffer.CopyMeta(m_Area.m_BlockMetas);
+ for (int y = 0; y < SizeY; y++)
+ {
+ int InChunkY = MinY + y;
+ int AreaY = y;
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int InChunkZ = BaseZ + z;
+ int AreaZ = OffZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int InChunkX = BaseX + x;
+ int AreaX = OffX + x;
+ m_Area.m_BlockMetas[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = a_BlockBuffer.GetMeta(InChunkX, InChunkY, InChunkZ);
+ } // for x
+ } // for z
+ } // for y
}
+ // Copy the blocklight:
if (m_Area.m_BlockLight != NULL)
{
- a_BlockBuffer.CopyBlockLight(m_Area.m_BlockLight);
+ for (int y = 0; y < SizeY; y++)
+ {
+ int InChunkY = MinY + y;
+ int AreaY = y;
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int InChunkZ = BaseZ + z;
+ int AreaZ = OffZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int InChunkX = BaseX + x;
+ int AreaX = OffX + x;
+ m_Area.m_BlockLight[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = a_BlockBuffer.GetBlockLight(InChunkX, InChunkY, InChunkZ);
+ } // for x
+ } // for z
+ } // for y
}
+ // Copy the skylight:
if (m_Area.m_BlockSkyLight != NULL)
{
- a_BlockBuffer.CopySkyLight(m_Area.m_BlockSkyLight);
+ for (int y = 0; y < SizeY; y++)
+ {
+ int InChunkY = MinY + y;
+ int AreaY = y;
+ for (int z = 0; z < SizeZ; z++)
+ {
+ int InChunkZ = BaseZ + z;
+ int AreaZ = OffZ + z;
+ for (int x = 0; x < SizeX; x++)
+ {
+ int InChunkX = BaseX + x;
+ int AreaX = OffX + x;
+ m_Area.m_BlockSkyLight[m_Area.MakeIndex(AreaX, AreaY, AreaZ)] = a_BlockBuffer.GetSkyLight(InChunkX, InChunkY, InChunkZ);
+ } // for x
+ } // for z
+ } // for y
}
-
}