116 lines
2.3 KiB
C++
116 lines
2.3 KiB
C++
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// SetChunkData.cpp
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// Implements the cSetChunkData class used for sending loaded / generated chunk
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#include "Globals.h"
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#include "SetChunkData.h"
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cSetChunkData::cSetChunkData(int a_ChunkX, int a_ChunkZ, bool a_ShouldMarkDirty) :
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m_ChunkX(a_ChunkX),
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m_ChunkZ(a_ChunkZ),
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m_ShouldMarkDirty(a_ShouldMarkDirty)
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{
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}
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cSetChunkData::cSetChunkData(
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int a_ChunkX, int a_ChunkZ,
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const BLOCKTYPE * a_BlockTypes,
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const NIBBLETYPE * a_BlockMetas,
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const NIBBLETYPE * a_BlockLight,
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const NIBBLETYPE * a_SkyLight,
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const cChunkDef::HeightMap * a_HeightMap,
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const cChunkDef::BiomeMap * a_Biomes,
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cEntityList & a_Entities,
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cBlockEntityList & a_BlockEntities,
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bool a_ShouldMarkDirty
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) :
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m_ChunkX(a_ChunkX),
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m_ChunkZ(a_ChunkZ),
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m_ShouldMarkDirty(a_ShouldMarkDirty)
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{
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// Check the params' validity:
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ASSERT(a_BlockTypes != NULL);
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ASSERT(a_BlockMetas != NULL);
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ASSERT(a_Biomes != NULL);
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// Copy block types and metas:
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memcpy(m_BlockTypes, a_BlockTypes, sizeof(cChunkDef::BlockTypes));
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memcpy(m_BlockMetas, a_BlockMetas, sizeof(cChunkDef::BlockNibbles));
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// Copy lights, if both given:
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if ((a_BlockLight != NULL) && (a_SkyLight != NULL))
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{
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memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
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memcpy(m_SkyLight, a_SkyLight, sizeof(m_SkyLight));
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m_IsLightValid = true;
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}
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else
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{
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m_IsLightValid = false;
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}
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// Copy the heightmap, if available:
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if (a_HeightMap != NULL)
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{
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memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap));
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m_IsHeightMapValid = true;
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}
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else
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{
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m_IsHeightMapValid = false;
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}
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// Copy biomes, if available:
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if (a_Biomes != NULL)
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{
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memcpy(m_Biomes, a_Biomes, sizeof(m_Biomes));
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m_AreBiomesValid = true;
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}
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else
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{
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m_AreBiomesValid = false;
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}
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// Move entities and blockentities:
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std::swap(m_Entities, a_Entities);
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std::swap(m_BlockEntities, a_BlockEntities);
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}
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void cSetChunkData::CalculateHeightMap(void)
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{
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for (int x = 0; x < cChunkDef::Width; x++)
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{
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for (int z = 0; z < cChunkDef::Width; z++)
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{
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for (int y = cChunkDef::Height - 1; y > -1; y--)
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{
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int index = cChunkDef::MakeIndexNoCheck(x, y, z);
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if (m_BlockTypes[index] != E_BLOCK_AIR)
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{
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m_HeightMap[x + z * cChunkDef::Width] = (HEIGHTTYPE)y;
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break;
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}
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} // for y
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} // for z
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} // for x
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m_IsHeightMapValid = true;
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}
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