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-rw-r--r--src/Generating/HeiGen.cpp45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp
index 86f934c16..61d087c17 100644
--- a/src/Generating/HeiGen.cpp
+++ b/src/Generating/HeiGen.cpp
@@ -150,6 +150,51 @@ bool cHeiGenCache::GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_Rel
////////////////////////////////////////////////////////////////////////////////
+// cHeiGenMultiCache:
+
+cHeiGenMultiCache::cHeiGenMultiCache(cTerrainHeightGenPtr a_HeiGenToCache, size_t a_SubCacheSize, size_t a_NumSubCaches):
+ m_NumSubCaches(a_NumSubCaches)
+{
+ // Create the individual sub-caches:
+ m_SubCaches.reserve(a_NumSubCaches);
+ for (size_t i = 0; i < a_NumSubCaches; i++)
+ {
+ m_SubCaches.push_back(std::make_shared<cHeiGenCache>(a_HeiGenToCache, a_SubCacheSize));
+ }
+}
+
+
+
+
+
+void cHeiGenMultiCache::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
+{
+ // Get the subcache responsible for this chunk:
+ const size_t cacheIdx = ((size_t)a_ChunkX + m_CoeffZ * (size_t)a_ChunkZ) % m_NumSubCaches;
+
+ // Ask the subcache:
+ m_SubCaches[cacheIdx]->GenHeightMap(a_ChunkX, a_ChunkZ, a_HeightMap);
+}
+
+
+
+
+
+bool cHeiGenMultiCache::GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, HEIGHTTYPE & a_Height)
+{
+ // Get the subcache responsible for this chunk:
+ const size_t cacheIdx = ((size_t)a_ChunkX + m_CoeffZ * (size_t)a_ChunkZ) % m_NumSubCaches;
+
+ // Ask the subcache:
+ return m_SubCaches[cacheIdx]->GetHeightAt(a_ChunkX, a_ChunkZ, a_RelX, a_RelZ, a_Height);
+}
+
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
// cHeiGenClassic:
cHeiGenClassic::cHeiGenClassic(int a_Seed) :