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-rw-r--r--src/Generating/ComposableGenerator.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/Generating/ComposableGenerator.h b/src/Generating/ComposableGenerator.h
index 86c30e090..41e4baf52 100644
--- a/src/Generating/ComposableGenerator.h
+++ b/src/Generating/ComposableGenerator.h
@@ -113,6 +113,18 @@ public:
/** Initializes the generator, reading its parameters from the INI file. */
virtual void InitializeHeightGen(cIniFile & a_IniFile) {}
+ /** Returns the height at the specified column.
+ The default implementation calls GenHeightMap(), and then queries the heightmap.
+ Descendants may provide a better-performing method. */
+ virtual HEIGHTTYPE GetHeightAt(int a_BlockX, int a_BlockZ)
+ {
+ int chunkX, chunkZ;
+ cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, chunkX, chunkZ);
+ cChunkDef::HeightMap heightMap;
+ GenHeightMap(chunkX, chunkZ, heightMap);
+ return cChunkDef::GetHeight(heightMap, a_BlockX - chunkX * cChunkDef::Width, a_BlockZ - chunkZ * cChunkDef::Width);
+ }
+
/** Creates a cTerrainHeightGen descendant based on the INI file settings. */
static cTerrainHeightGenPtr CreateHeightGen(cIniFile & a_IniFile, cBiomeGenPtr a_BiomeGen, int a_Seed, bool & a_CacheOffByDefault);
} ;