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authorAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
committerAlexander Harkness <me@bearbin.net>2024-11-02 22:27:47 +0100
commitcb50ec10591c0e0e4b9915e642bc50d3d8d1fd0a (patch)
treef647b20e1823f1846af88e832cf82a4a02e96e69 /src/Generating/HeiGen.h
parentImprove clang-format config file, remove automatically enforced code style from contrib guide. (diff)
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Diffstat (limited to 'src/Generating/HeiGen.h')
-rw-r--r--src/Generating/HeiGen.h100
1 files changed, 51 insertions, 49 deletions
diff --git a/src/Generating/HeiGen.h b/src/Generating/HeiGen.h
index 6f2101043..d40c052c5 100644
--- a/src/Generating/HeiGen.h
+++ b/src/Generating/HeiGen.h
@@ -24,10 +24,9 @@ Also implements the heightmap cache
/** A simple cache that stores N most recently generated chunks' heightmaps; N being settable upon creation */
-class cHeiGenCache :
- public cTerrainHeightGen
+class cHeiGenCache : public cTerrainHeightGen
{
-public:
+ public:
cHeiGenCache(cTerrainHeightGen & a_HeiGenToCache, size_t a_CacheSize);
// cTerrainHeightGen overrides:
@@ -37,42 +36,46 @@ public:
/** Retrieves height at the specified point in the cache, returns true if found, false if not found */
bool GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, HEIGHTTYPE & a_Height);
-protected:
+ protected:
struct sCacheData
{
cChunkCoords m_Coords;
cChunkDef::HeightMap m_HeightMap;
/** Default constructor: Fill in bogus coords, so that the item is not used until properly calculated. */
- sCacheData():
+ sCacheData() :
m_Coords(0x7fffffff, 0x7fffffff)
- {}
- } ;
+ {
+ }
+ };
/** The terrain height generator that is being cached. */
cTerrainHeightGen & m_HeiGenToCache;
// To avoid moving large amounts of data for the MRU behavior, we MRU-ize indices to an array of the actual data
- size_t m_CacheSize;
- std::vector<size_t> m_CacheOrder; // MRU-ized order, indices into m_CacheData array
- std::vector<sCacheData> m_CacheData; // m_CacheData[m_CacheOrder[0]] is the most recently used
+ size_t m_CacheSize;
+ std::vector<size_t> m_CacheOrder; // MRU-ized order, indices into m_CacheData array
+ std::vector<sCacheData> m_CacheData; // m_CacheData[m_CacheOrder[0]] is the most recently used
// Cache statistics
size_t m_NumHits;
size_t m_NumMisses;
size_t m_TotalChain; // Number of cache items walked to get to a hit (only added for hits)
-} ;
+};
/** Caches heightmaps in multiple underlying caches to improve the distribution and lower the chain length. */
-class cHeiGenMultiCache:
- public cTerrainHeightGen
+class cHeiGenMultiCache : public cTerrainHeightGen
{
-public:
- cHeiGenMultiCache(std::unique_ptr<cTerrainHeightGen> a_HeightGenToCache, size_t a_SubCacheSize, size_t a_NumSubCaches);
+ public:
+ cHeiGenMultiCache(
+ std::unique_ptr<cTerrainHeightGen> a_HeightGenToCache,
+ size_t a_SubCacheSize,
+ size_t a_NumSubCaches
+ );
// cTerrainHeightGen overrides:
virtual void GenHeightMap(cChunkCoords a_ChunkCoords, cChunkDef::HeightMap & a_HeightMap) override;
@@ -81,8 +84,7 @@ public:
/** Retrieves height at the specified point in the cache, returns true if found, false if not found */
bool GetHeightAt(int a_ChunkX, int a_ChunkZ, int a_RelX, int a_RelZ, HEIGHTTYPE & a_Height);
-protected:
-
+ protected:
/** The coefficient used to turn Z coords into index (x + Coeff * z). */
static const size_t m_CoeffZ = 5;
@@ -100,33 +102,32 @@ protected:
-class cHeiGenFlat :
- public cTerrainHeightGen
+class cHeiGenFlat : public cTerrainHeightGen
{
-public:
- cHeiGenFlat(void) : m_Height(5) {}
-
-protected:
+ public:
+ cHeiGenFlat(void) :
+ m_Height(5)
+ {
+ }
+ protected:
HEIGHTTYPE m_Height;
// cTerrainHeightGen overrides:
virtual void GenHeightMap(cChunkCoords a_ChunkCoords, cChunkDef::HeightMap & a_HeightMap) override;
virtual void InitializeHeightGen(cIniFile & a_IniFile) override;
-} ;
+};
-class cHeiGenClassic :
- public cTerrainHeightGen
+class cHeiGenClassic : public cTerrainHeightGen
{
-public:
+ public:
cHeiGenClassic(int a_Seed);
-protected:
-
+ protected:
int m_Seed;
cNoise m_Noise;
float m_HeightFreq1, m_HeightAmp1;
@@ -138,20 +139,18 @@ protected:
// cTerrainHeightGen overrides:
virtual void GenHeightMap(cChunkCoords a_ChunkCoords, cChunkDef::HeightMap & a_HeightMap) override;
virtual void InitializeHeightGen(cIniFile & a_IniFile) override;
-} ;
+};
-class cHeiGenMountains :
- public cTerrainHeightGen
+class cHeiGenMountains : public cTerrainHeightGen
{
-public:
+ public:
cHeiGenMountains(int a_Seed);
-protected:
-
+ protected:
int m_Seed;
cRidgedMultiNoise m_MountainNoise;
cRidgedMultiNoise m_DitchNoise;
@@ -160,35 +159,32 @@ protected:
// cTerrainHeightGen overrides:
virtual void GenHeightMap(cChunkCoords a_ChunkCoords, cChunkDef::HeightMap & a_HeightMap) override;
virtual void InitializeHeightGen(cIniFile & a_IniFile) override;
-} ;
+};
-class cHeiGenBiomal:
- public cTerrainHeightGen
+class cHeiGenBiomal : public cTerrainHeightGen
{
using Super = cTerrainHeightGen;
-public:
-
- cHeiGenBiomal(int a_Seed, cBiomeGen & a_BiomeGen):
- m_Noise(a_Seed),
- m_BiomeGen(a_BiomeGen)
+ public:
+ cHeiGenBiomal(int a_Seed, cBiomeGen & a_BiomeGen) :
+ m_Noise(a_Seed), m_BiomeGen(a_BiomeGen)
{
}
// cTerrainHeightGen overrides:
virtual void GenHeightMap(cChunkCoords a_ChunkCoords, cChunkDef::HeightMap & a_HeightMap) override;
- virtual HEIGHTTYPE GetHeightAt(int a_BlockX, int a_BlockZ) override // Need to provide this override due to clang's overzealous detection of overloaded virtuals
+ virtual HEIGHTTYPE GetHeightAt(int a_BlockX, int a_BlockZ)
+ override // Need to provide this override due to clang's overzealous detection of overloaded virtuals
{
return Super::GetHeightAt(a_BlockX, a_BlockZ);
}
virtual void InitializeHeightGen(cIniFile & a_IniFile) override;
-protected:
-
+ protected:
typedef cChunkDef::BiomeMap BiomeNeighbors[3][3];
cNoise m_Noise;
@@ -201,9 +197,15 @@ protected:
float m_HeightFreq2, m_HeightAmp2;
float m_HeightFreq3, m_HeightAmp3;
float m_BaseHeight;
- } ;
+ };
static const sGenParam m_GenParam[256];
- NOISE_DATATYPE GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int a_ChunkZ, const BiomeNeighbors & a_BiomeNeighbors);
-} ;
+ NOISE_DATATYPE GetHeightAt(
+ int a_RelX,
+ int a_RelZ,
+ int a_ChunkX,
+ int a_ChunkZ,
+ const BiomeNeighbors & a_BiomeNeighbors
+ );
+};