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Diffstat (limited to 'src/SetChunkData.cpp')
-rw-r--r-- | src/SetChunkData.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/SetChunkData.cpp b/src/SetChunkData.cpp new file mode 100644 index 000000000..6e0c2733e --- /dev/null +++ b/src/SetChunkData.cpp @@ -0,0 +1,115 @@ + +// SetChunkData.cpp + +// Implements the cSetChunkData class used for sending loaded / generated chunk + +#include "Globals.h" +#include "SetChunkData.h" + + + + + +cSetChunkData::cSetChunkData(int a_ChunkX, int a_ChunkZ, bool a_ShouldMarkDirty) : + m_ChunkX(a_ChunkX), + m_ChunkZ(a_ChunkZ), + m_ShouldMarkDirty(a_ShouldMarkDirty) +{ +} + + + + + +cSetChunkData::cSetChunkData( + int a_ChunkX, int a_ChunkZ, + const BLOCKTYPE * a_BlockTypes, + const NIBBLETYPE * a_BlockMetas, + const NIBBLETYPE * a_BlockLight, + const NIBBLETYPE * a_SkyLight, + const cChunkDef::HeightMap * a_HeightMap, + const cChunkDef::BiomeMap * a_Biomes, + cEntityList & a_Entities, + cBlockEntityList & a_BlockEntities, + bool a_ShouldMarkDirty +) : + m_ChunkX(a_ChunkX), + m_ChunkZ(a_ChunkZ), + m_ShouldMarkDirty(a_ShouldMarkDirty) +{ + // Check the params' validity: + ASSERT(a_BlockTypes != NULL); + ASSERT(a_BlockMetas != NULL); + ASSERT(a_Biomes != NULL); + + // Copy block types and metas: + memcpy(m_BlockTypes, a_BlockTypes, sizeof(cChunkDef::BlockTypes)); + memcpy(m_BlockMetas, a_BlockMetas, sizeof(cChunkDef::BlockNibbles)); + + // Copy lights, if both given: + if ((a_BlockLight != NULL) && (a_SkyLight != NULL)) + { + memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight)); + memcpy(m_SkyLight, a_SkyLight, sizeof(m_SkyLight)); + m_IsLightValid = true; + } + else + { + m_IsLightValid = false; + } + + // Copy the heightmap, if available: + if (a_HeightMap != NULL) + { + memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap)); + m_IsHeightMapValid = true; + } + else + { + m_IsHeightMapValid = false; + } + + // Copy biomes, if available: + if (a_Biomes != NULL) + { + memcpy(m_Biomes, a_Biomes, sizeof(m_Biomes)); + m_AreBiomesValid = true; + } + else + { + m_AreBiomesValid = false; + } + + // Move entities and blockentities: + std::swap(m_Entities, a_Entities); + std::swap(m_BlockEntities, a_BlockEntities); +} + + + + + +void cSetChunkData::CalculateHeightMap(void) +{ + for (int x = 0; x < cChunkDef::Width; x++) + { + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int y = cChunkDef::Height - 1; y > -1; y--) + { + int index = cChunkDef::MakeIndexNoCheck(x, y, z); + if (m_BlockTypes[index] != E_BLOCK_AIR) + { + m_HeightMap[x + z * cChunkDef::Width] = (HEIGHTTYPE)y; + break; + } + } // for y + } // for z + } // for x + m_IsHeightMapValid = true; +} + + + + + |