diff options
Diffstat (limited to 'src/BlockArea.cpp')
| -rw-r--r-- | src/BlockArea.cpp | 105 |
1 files changed, 104 insertions, 1 deletions
diff --git a/src/BlockArea.cpp b/src/BlockArea.cpp index 4c3da0535..600940d96 100644 --- a/src/BlockArea.cpp +++ b/src/BlockArea.cpp @@ -245,6 +245,26 @@ void MergeCombinatorDifference(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBL +/** Combinator used for cBlockArea::msSimpleCompare merging */ +template <bool MetaValid> +void MergeCombinatorSimpleCompare(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta) +{ + if ((a_DstType == a_SrcType) && (!MetaValid || (a_DstMeta == a_SrcMeta))) + { + // The blocktypes are the same, and the blockmetas are not present or are the same + a_DstType = E_BLOCK_AIR; + } + else + { + // The blocktypes or blockmetas differ + a_DstType = E_BLOCK_STONE; + } +} + + + + + /** Combinator used for cBlockArea::msMask merging */ template <bool MetaValid> void MergeCombinatorMask(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta) @@ -1614,6 +1634,73 @@ void cBlockArea::GetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTY +void cBlockArea::GetNonAirCropRelCoords(int & a_MinRelX, int & a_MinRelY, int & a_MinRelZ, int & a_MaxRelX, int & a_MaxRelY, int & a_MaxRelZ, BLOCKTYPE a_IgnoreBlockType) +{ + // Check if blocktypes are valid: + if (m_BlockTypes == nullptr) + { + LOGWARNING("%s: BlockTypes have not been read!", __FUNCTION__); + a_MinRelX = 1; + a_MaxRelX = 0; + return; + } + + // Walk all the blocks and find the min and max coords for the non-ignored ones: + int MaxX = 0, MinX = m_Size.x - 1; + int MaxY = 0, MinY = m_Size.y - 1; + int MaxZ = 0, MinZ = m_Size.z - 1; + for (int y = 0; y < m_Size.y; y++) + { + for (int z = 0; z < m_Size.z; z++) + { + for (int x = 0; x < m_Size.x; x++) + { + if (m_BlockTypes[MakeIndex(x, y, z)] == a_IgnoreBlockType) + { + continue; + } + // The block is not ignored, update any coords that need updating: + if (x < MinX) + { + MinX = x; + } + if (x > MaxX) + { + MaxX = x; + } + if (y < MinY) + { + MinY = y; + } + if (y > MaxY) + { + MaxY = y; + } + if (z < MinZ) + { + MinZ = z; + } + if (z > MaxZ) + { + MaxZ = z; + } + } // for x + } // for z + } // for y + + // Assign to the output: + a_MinRelX = MinX; + a_MinRelY = MinY; + a_MinRelZ = MinZ; + a_MaxRelX = MaxX; + a_MaxRelY = MaxY; + a_MaxRelZ = MaxZ; +} + + + + + int cBlockArea::GetDataTypes(void) const { int res = 0; @@ -2121,10 +2208,12 @@ void cBlockArea::RelSetData( + + template <bool MetasValid> void cBlockArea::MergeByStrategy(const cBlockArea & a_Src, int a_RelX, int a_RelY, int a_RelZ, eMergeStrategy a_Strategy, const NIBBLETYPE * SrcMetas, NIBBLETYPE * DstMetas) { - // Block types are compulsory, block metas are voluntary + // Block types are compulsory, block metas are optional if (!HasBlockTypes() || !a_Src.HasBlockTypes()) { LOGWARNING("%s: cannot merge because one of the areas doesn't have blocktypes.", __FUNCTION__); @@ -2230,6 +2319,20 @@ void cBlockArea::MergeByStrategy(const cBlockArea & a_Src, int a_RelX, int a_Rel return; } // case msDifference + case cBlockArea::msSimpleCompare: + { + InternalMergeBlocks<MetasValid, MergeCombinatorSimpleCompare<MetasValid> >( + 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_Size.x, m_Size.y, m_Size.z + ); + return; + } // case msSimpleCompare + case cBlockArea::msMask: { InternalMergeBlocks<MetasValid, MergeCombinatorMask<MetasValid> >( |