diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Generating/GridStructGen.cpp | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/src/Generating/GridStructGen.cpp b/src/Generating/GridStructGen.cpp index 3bbc89054..474242557 100644 --- a/src/Generating/GridStructGen.cpp +++ b/src/Generating/GridStructGen.cpp @@ -9,6 +9,34 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cEmptyStructure: + +/** A cStructure descendant representing an empty structure. +Used when the generator descended from cGridStructGen doesn't return any structure, to keep at least the +Origin coords so that the structure isn't queried over and over again. */ +class cEmptyStructure : + public cGridStructGen::cStructure +{ + typedef cGridStructGen::cStructure super; + +public: + cEmptyStructure(int a_OriginX, int a_OriginZ) : + super(a_OriginX, a_OriginZ) + { + } + +protected: + virtual void DrawIntoChunk(cChunkDesc & a_ChunkDesc) override + { + // Do nothing + } +} ; + + + + + cGridStructGen::cGridStructGen( int a_Seed, int a_GridSizeX, int a_GridSizeZ, @@ -22,6 +50,15 @@ cGridStructGen::cGridStructGen( m_MaxStructureSizeZ(a_MaxStructureSizeZ), m_MaxCacheSize(a_MaxCacheSize) { + size_t NumStructuresPerQuery = (size_t)((m_MaxStructureSizeX / m_GridSizeX + 1) * (m_MaxStructureSizeZ / m_GridSizeZ + 1)); + if (NumStructuresPerQuery > m_MaxCacheSize) + { + m_MaxCacheSize = NumStructuresPerQuery * 4; + LOGINFO( + "cGridStructGen: The cache size is too small (%u), increasing the cache size to %u to avoid inefficiency.", + (unsigned)a_MaxCacheSize, (unsigned)m_MaxCacheSize + ); + } } @@ -81,7 +118,12 @@ void cGridStructGen::GetStructuresForChunk(int a_ChunkX, int a_ChunkZ, cStructur } // for itr - a_Structures[] if (!Found) { - a_Structures.push_back(CreateStructure(OriginX, OriginZ)); + cStructurePtr Structure = CreateStructure(OriginX, OriginZ); + if (Structure.get() == NULL) + { + Structure.reset(new cEmptyStructure(OriginX, OriginZ)); + } + a_Structures.push_back(Structure); } } // for z } // for x |