diff options
Diffstat (limited to 'src/Generating/ChunkDesc.cpp')
| -rw-r--r-- | src/Generating/ChunkDesc.cpp | 605 |
1 files changed, 605 insertions, 0 deletions
diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp new file mode 100644 index 000000000..9fb306996 --- /dev/null +++ b/src/Generating/ChunkDesc.cpp @@ -0,0 +1,605 @@ + +// ChunkDesc.cpp + +// Implements the cChunkDesc class representing the chunk description used while generating a chunk. This class is also exported to Lua for HOOK_CHUNK_GENERATING. + +#include "Globals.h" +#include "ChunkDesc.h" +#include "../BlockArea.h" +#include "../Cuboid.h" +#include "../Noise.h" +#include "../BlockEntities/BlockEntity.h" + + + + + +cChunkDesc::cChunkDesc(int a_ChunkX, int a_ChunkZ) : + m_ChunkX(a_ChunkX), + m_ChunkZ(a_ChunkZ), + m_bUseDefaultBiomes(true), + m_bUseDefaultHeight(true), + m_bUseDefaultComposition(true), + m_bUseDefaultStructures(true), + m_bUseDefaultFinish(true) +{ + m_BlockArea.Create(cChunkDef::Width, cChunkDef::Height, cChunkDef::Width); + /* + memset(m_BlockTypes, 0, sizeof(cChunkDef::BlockTypes)); + memset(m_BlockMeta, 0, sizeof(cChunkDef::BlockNibbles)); + */ + memset(m_BiomeMap, 0, sizeof(cChunkDef::BiomeMap)); + memset(m_HeightMap, 0, sizeof(cChunkDef::HeightMap)); +} + + + + + +cChunkDesc::~cChunkDesc() +{ + // Nothing needed yet +} + + + + + +void cChunkDesc::SetChunkCoords(int a_ChunkX, int a_ChunkZ) +{ + m_ChunkX = a_ChunkX; + m_ChunkZ = a_ChunkZ; +} + + + + + +void cChunkDesc::FillBlocks(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + m_BlockArea.Fill(cBlockArea::baTypes | cBlockArea::baMetas, a_BlockType, a_BlockMeta); +} + + + + + +void cChunkDesc::SetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) +{ + m_BlockArea.SetRelBlockTypeMeta(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta); +} + + + + + +void cChunkDesc::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) +{ + m_BlockArea.GetRelBlockTypeMeta(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta); +} + + + + + +void cChunkDesc::SetBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType) +{ + cChunkDef::SetBlock(m_BlockArea.GetBlockTypes(), a_RelX, a_RelY, a_RelZ, a_BlockType); +} + + + + + +BLOCKTYPE cChunkDesc::GetBlockType(int a_RelX, int a_RelY, int a_RelZ) +{ + return cChunkDef::GetBlock(m_BlockArea.GetBlockTypes(), a_RelX, a_RelY, a_RelZ); +} + + + + + +NIBBLETYPE cChunkDesc::GetBlockMeta(int a_RelX, int a_RelY, int a_RelZ) +{ + return m_BlockArea.GetRelBlockMeta(a_RelX, a_RelY, a_RelZ); +} + + + + + +void cChunkDesc::SetBlockMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockMeta) +{ + m_BlockArea.SetRelBlockMeta(a_RelX, a_RelY, a_RelZ, a_BlockMeta); +} + + + + + +void cChunkDesc::SetBiome(int a_RelX, int a_RelZ, int a_BiomeID) +{ + cChunkDef::SetBiome(m_BiomeMap, a_RelX, a_RelZ, (EMCSBiome)a_BiomeID); +} + + + + +EMCSBiome cChunkDesc::GetBiome(int a_RelX, int a_RelZ) +{ + return cChunkDef::GetBiome(m_BiomeMap, a_RelX, a_RelZ); +} + + + + + +void cChunkDesc::SetHeight(int a_RelX, int a_RelZ, int a_Height) +{ + cChunkDef::SetHeight(m_HeightMap, a_RelX, a_RelZ, a_Height); +} + + + + + +int cChunkDesc::GetHeight(int a_RelX, int a_RelZ) +{ + return cChunkDef::GetHeight(m_HeightMap, a_RelX, a_RelZ); +} + + + + + +void cChunkDesc::SetUseDefaultBiomes(bool a_bUseDefaultBiomes) +{ + m_bUseDefaultBiomes = a_bUseDefaultBiomes; +} + + + + + +bool cChunkDesc::IsUsingDefaultBiomes(void) const +{ + return m_bUseDefaultBiomes; +} + + + + + +void cChunkDesc::SetUseDefaultHeight(bool a_bUseDefaultHeight) +{ + m_bUseDefaultHeight = a_bUseDefaultHeight; +} + + + + + +bool cChunkDesc::IsUsingDefaultHeight(void) const +{ + return m_bUseDefaultHeight; +} + + + + + +void cChunkDesc::SetUseDefaultComposition(bool a_bUseDefaultComposition) +{ + m_bUseDefaultComposition = a_bUseDefaultComposition; +} + + + + + +bool cChunkDesc::IsUsingDefaultComposition(void) const +{ + return m_bUseDefaultComposition; +} + + + + + +void cChunkDesc::SetUseDefaultStructures(bool a_bUseDefaultStructures) +{ + m_bUseDefaultStructures = a_bUseDefaultStructures; +} + + + + + +bool cChunkDesc::IsUsingDefaultStructures(void) const +{ + return m_bUseDefaultStructures; +} + + + + + +void cChunkDesc::SetUseDefaultFinish(bool a_bUseDefaultFinish) +{ + m_bUseDefaultFinish = a_bUseDefaultFinish; +} + + + + + +bool cChunkDesc::IsUsingDefaultFinish(void) const +{ + return m_bUseDefaultFinish; +} + + + + +void cChunkDesc::WriteBlockArea(const cBlockArea & a_BlockArea, int a_RelX, int a_RelY, int a_RelZ, cBlockArea::eMergeStrategy a_MergeStrategy) +{ + m_BlockArea.Merge(a_BlockArea, a_RelX, a_RelY, a_RelZ, a_MergeStrategy); +} + + + + + +void cChunkDesc::ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ) +{ + // Normalize the coords: + if (a_MinRelX > a_MaxRelX) + { + std::swap(a_MinRelX, a_MaxRelX); + } + if (a_MinRelY > a_MaxRelY) + { + std::swap(a_MinRelY, a_MaxRelY); + } + if (a_MinRelZ > a_MaxRelZ) + { + std::swap(a_MinRelZ, a_MaxRelZ); + } + + // Include the Max coords: + a_MaxRelX += 1; + a_MaxRelY += 1; + a_MaxRelZ += 1; + + // Check coords validity: + if (a_MinRelX < 0) + { + LOGWARNING("%s: MinRelX less than zero, adjusting to zero", __FUNCTION__); + a_MinRelX = 0; + } + else if (a_MinRelX >= cChunkDef::Width) + { + LOGWARNING("%s: MinRelX more than chunk width, adjusting to chunk width", __FUNCTION__); + a_MinRelX = cChunkDef::Width - 1; + } + if (a_MaxRelX < 0) + { + LOGWARNING("%s: MaxRelX less than zero, adjusting to zero", __FUNCTION__); + a_MaxRelX = 0; + } + else if (a_MinRelX >= cChunkDef::Width) + { + LOGWARNING("%s: MaxRelX more than chunk width, adjusting to chunk width", __FUNCTION__); + a_MaxRelX = cChunkDef::Width - 1; + } + + if (a_MinRelY < 0) + { + LOGWARNING("%s: MinRelY less than zero, adjusting to zero", __FUNCTION__); + a_MinRelY = 0; + } + else if (a_MinRelY >= cChunkDef::Height) + { + LOGWARNING("%s: MinRelY more than chunk height, adjusting to chunk height", __FUNCTION__); + a_MinRelY = cChunkDef::Height - 1; + } + if (a_MaxRelY < 0) + { + LOGWARNING("%s: MaxRelY less than zero, adjusting to zero", __FUNCTION__); + a_MaxRelY = 0; + } + else if (a_MinRelY >= cChunkDef::Height) + { + LOGWARNING("%s: MaxRelY more than chunk height, adjusting to chunk height", __FUNCTION__); + a_MaxRelY = cChunkDef::Height - 1; + } + + if (a_MinRelZ < 0) + { + LOGWARNING("%s: MinRelZ less than zero, adjusting to zero", __FUNCTION__); + a_MinRelZ = 0; + } + else if (a_MinRelZ >= cChunkDef::Width) + { + LOGWARNING("%s: MinRelZ more than chunk width, adjusting to chunk width", __FUNCTION__); + a_MinRelZ = cChunkDef::Width - 1; + } + if (a_MaxRelZ < 0) + { + LOGWARNING("%s: MaxRelZ less than zero, adjusting to zero", __FUNCTION__); + a_MaxRelZ = 0; + } + else if (a_MinRelZ >= cChunkDef::Width) + { + LOGWARNING("%s: MaxRelZ more than chunk width, adjusting to chunk width", __FUNCTION__); + a_MaxRelZ = cChunkDef::Width - 1; + } + + // Prepare the block area: + int SizeX = a_MaxRelX - a_MinRelX; + int SizeY = a_MaxRelY - a_MinRelY; + int SizeZ = a_MaxRelZ - a_MinRelZ; + a_Dest.Clear(); + a_Dest.m_OriginX = m_ChunkX * cChunkDef::Width + a_MinRelX; + a_Dest.m_OriginY = a_MinRelY; + a_Dest.m_OriginZ = m_ChunkZ * cChunkDef::Width + a_MinRelZ; + a_Dest.SetSize(SizeX, SizeY, SizeZ, cBlockArea::baTypes | cBlockArea::baMetas); + + for (int y = 0; y < SizeY; y++) + { + int CDY = a_MinRelY + y; + for (int z = 0; z < SizeZ; z++) + { + int CDZ = a_MinRelZ + z; + for (int x = 0; x < SizeX; x++) + { + int CDX = a_MinRelX + x; + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + GetBlockTypeMeta(CDX, CDY, CDZ, BlockType, BlockMeta); + a_Dest.SetRelBlockTypeMeta(x, y, z, BlockType, BlockMeta); + } // for x + } // for z + } // for y +} + + + + + +HEIGHTTYPE cChunkDesc::GetMaxHeight(void) const +{ + HEIGHTTYPE MaxHeight = m_HeightMap[0]; + for (int i = 1; i < ARRAYCOUNT(m_HeightMap); i++) + { + if (m_HeightMap[i] > MaxHeight) + { + MaxHeight = m_HeightMap[i]; + } + } + return MaxHeight; +} + + + + + +void cChunkDesc::FillRelCuboid( + int a_MinX, int a_MaxX, + int a_MinY, int a_MaxY, + int a_MinZ, int a_MaxZ, + BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta +) +{ + int MinX = std::max(a_MinX, 0); + int MinY = std::max(a_MinY, 0); + int MinZ = std::max(a_MinZ, 0); + int MaxX = std::min(a_MaxX, cChunkDef::Width - 1); + int MaxY = std::min(a_MaxY, cChunkDef::Height - 1); + int MaxZ = std::min(a_MaxZ, cChunkDef::Width - 1); + + for (int y = MinY; y <= MaxY; y++) + { + for (int z = MinZ; z <= MaxZ; z++) + { + for (int x = MinX; x <= MaxX; x++) + { + SetBlockTypeMeta(x, y, z, a_BlockType, a_BlockMeta); + } + } // for z + } // for y +} + + + + + +void cChunkDesc::ReplaceRelCuboid( + int a_MinX, int a_MaxX, + int a_MinY, int a_MaxY, + int a_MinZ, int a_MaxZ, + BLOCKTYPE a_SrcType, NIBBLETYPE a_SrcMeta, + BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta +) +{ + int MinX = std::max(a_MinX, 0); + int MinY = std::max(a_MinY, 0); + int MinZ = std::max(a_MinZ, 0); + int MaxX = std::min(a_MaxX, cChunkDef::Width - 1); + int MaxY = std::min(a_MaxY, cChunkDef::Height - 1); + int MaxZ = std::min(a_MaxZ, cChunkDef::Width - 1); + + for (int y = MinY; y <= MaxY; y++) + { + for (int z = MinZ; z <= MaxZ; z++) + { + for (int x = MinX; x <= MaxX; x++) + { + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + GetBlockTypeMeta(x, y, z, BlockType, BlockMeta); + if ((BlockType == a_SrcType) && (BlockMeta == a_SrcMeta)) + { + SetBlockTypeMeta(x, y, z, a_DstType, a_DstMeta); + } + } + } // for z + } // for y +} + + + + + +void cChunkDesc::FloorRelCuboid( + int a_MinX, int a_MaxX, + int a_MinY, int a_MaxY, + int a_MinZ, int a_MaxZ, + BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta +) +{ + int MinX = std::max(a_MinX, 0); + int MinY = std::max(a_MinY, 0); + int MinZ = std::max(a_MinZ, 0); + int MaxX = std::min(a_MaxX, cChunkDef::Width - 1); + int MaxY = std::min(a_MaxY, cChunkDef::Height - 1); + int MaxZ = std::min(a_MaxZ, cChunkDef::Width - 1); + + for (int y = MinY; y <= MaxY; y++) + { + for (int z = MinZ; z <= MaxZ; z++) + { + for (int x = MinX; x <= MaxX; x++) + { + switch (GetBlockType(x, y, z)) + { + case E_BLOCK_AIR: + case E_BLOCK_WATER: + case E_BLOCK_STATIONARY_WATER: + { + SetBlockTypeMeta(x, y, z, a_DstType, a_DstMeta); + break; + } + } // switch (GetBlockType) + } // for x + } // for z + } // for y +} + + + + + +void cChunkDesc::RandomFillRelCuboid( + int a_MinX, int a_MaxX, + int a_MinY, int a_MaxY, + int a_MinZ, int a_MaxZ, + BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, + int a_RandomSeed, int a_ChanceOutOf10k +) +{ + cNoise Noise(a_RandomSeed); + int MinX = std::max(a_MinX, 0); + int MinY = std::max(a_MinY, 0); + int MinZ = std::max(a_MinZ, 0); + int MaxX = std::min(a_MaxX, cChunkDef::Width - 1); + int MaxY = std::min(a_MaxY, cChunkDef::Height - 1); + int MaxZ = std::min(a_MaxZ, cChunkDef::Width - 1); + + for (int y = MinY; y <= MaxY; y++) + { + for (int z = MinZ; z <= MaxZ; z++) + { + for (int x = MinX; x <= MaxX; x++) + { + int rnd = (Noise.IntNoise3DInt(x, y, z) / 7) % 10000; + if (rnd <= a_ChanceOutOf10k) + { + SetBlockTypeMeta(x, y, z, a_BlockType, a_BlockMeta); + } + } + } // for z + } // for y +} + + + + + +cBlockEntity * cChunkDesc::GetBlockEntity(int a_RelX, int a_RelY, int a_RelZ) +{ + int AbsX = a_RelX + m_ChunkX * cChunkDef::Width; + int AbsZ = a_RelZ + m_ChunkZ * cChunkDef::Width; + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), end = m_BlockEntities.end(); itr != end; ++itr) + { + if (((*itr)->GetPosX() == AbsX) && ((*itr)->GetPosY() == a_RelY) && ((*itr)->GetPosZ() == AbsZ)) + { + // Already in the list: + if ((*itr)->GetBlockType() != GetBlockType(a_RelX, a_RelY, a_RelZ)) + { + // Wrong type, the block type has been overwritten. Erase and create new: + m_BlockEntities.erase(itr); + break; + } + // Correct type, already present. Return it: + return *itr; + } + } // for itr - m_BlockEntities[] + + // The block entity is not created yet, try to create it and add to list: + cBlockEntity * be = cBlockEntity::CreateByBlockType(GetBlockType(a_RelX, a_RelY, a_RelZ), GetBlockMeta(a_RelX, a_RelY, a_RelZ), AbsX, a_RelY, AbsZ); + if (be == NULL) + { + // No block entity for this block type + return NULL; + } + m_BlockEntities.push_back(be); + return be; +} + + + + + +void cChunkDesc::CompressBlockMetas(cChunkDef::BlockNibbles & a_DestMetas) +{ + const NIBBLETYPE * AreaMetas = m_BlockArea.GetBlockMetas(); + for (int i = 0; i < ARRAYCOUNT(a_DestMetas); i++) + { + a_DestMetas[i] = AreaMetas[2 * i] | (AreaMetas[2 * i + 1] << 4); + } +} + + + + + +#ifdef _DEBUG + +void cChunkDesc::VerifyHeightmap(void) +{ + for (int x = 0; x < cChunkDef::Width; x++) + { + for (int z = 0; z < cChunkDef::Width; z++) + { + for (int y = cChunkDef::Height - 1; y > 0; y--) + { + BLOCKTYPE BlockType = GetBlockType(x, y, z); + if (BlockType != E_BLOCK_AIR) + { + int Height = GetHeight(x, z); + ASSERT(Height == y); + break; + } + } // for y + } // for z + } // for x +} + +#endif // _DEBUG + + + + + |