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authorMattes D <github@xoft.cz>2014-09-04 14:09:54 +0200
committerMattes D <github@xoft.cz>2014-09-04 14:09:54 +0200
commitb590eed42fe5a19acd3314610dc6e7fec3160ada (patch)
tree813d732ba13ae93b796b720a38a693ac790665f4 /src
parentAnvil: Cleanly refuse to store data that is too large. (diff)
parentchange to linear calculation (diff)
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Diffstat (limited to '')
-rw-r--r--src/Generating/BioGen.cpp55
-rw-r--r--src/Generating/BioGen.h26
-rw-r--r--src/Generating/ComposableGenerator.cpp13
3 files changed, 92 insertions, 2 deletions
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 8fad9f5c9..175e4ef33 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -151,7 +151,7 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
LOGD("BioGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
}
-
+
for (int i = 0; i < m_CacheSize; i++)
{
if (
@@ -208,6 +208,59 @@ void cBioGenCache::InitializeBiomeGen(cIniFile & a_IniFile)
+////////////////////////////////////////////////////////////////////////////////
+// cBioGenMulticache:
+
+cBioGenMulticache::cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_CacheSize, size_t a_CachesLength) :
+ m_CachesLength(a_CachesLength)
+{
+ m_Caches.reserve(a_CachesLength);
+ for (size_t i = 0; i < a_CachesLength; i++)
+ {
+ m_Caches.push_back(new cBioGenCache(a_BioGenToCache, a_CacheSize));
+ }
+}
+
+
+
+
+
+cBioGenMulticache::~cBioGenMulticache()
+{
+ for (std::vector<cBiomeGen*>::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+ {
+ delete *it;
+ }
+}
+
+
+
+
+
+void cBioGenMulticache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+ const size_t coefficient = 3;
+ const size_t cacheIdx = ((size_t)a_ChunkX + coefficient * (size_t)a_ChunkZ) % m_CachesLength;
+
+ m_Caches[cacheIdx]->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
+}
+
+
+
+
+
+void cBioGenMulticache::InitializeBiomeGen(cIniFile & a_IniFile)
+{
+ for (std::vector<cBiomeGen*>::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+ {
+ cBiomeGen * tmp = *it;
+ tmp->InitializeBiomeGen(a_IniFile);
+ }
+}
+
+
+
+
////////////////////////////////////////////////////////////////////////////////
// cBiomeGenList:
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index 227ec97d7..a4cf95a72 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -80,6 +80,32 @@ protected:
+class cBioGenMulticache :
+ public cBiomeGen
+{
+
+ typedef cBiomeGen super;
+
+public:
+ /*
+ a_CacheSize defines the size of each singular cache
+ a_CachesLength defines how many caches are used for the multicache
+ */
+ cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_CacheSize, size_t a_CachesLength); // Doesn't take ownership of a_BioGenToCache
+ ~cBioGenMulticache();
+
+protected:
+ size_t m_CachesLength;
+ std::vector<cBiomeGen*> m_Caches;
+
+ virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override;
+ virtual void InitializeBiomeGen(cIniFile & a_IniFile) override;
+};
+
+
+
+
+
/// Base class for generators that use a list of available biomes. This class takes care of the list.
class cBiomeGenList :
public cBiomeGen
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index 6f4007d24..d70438bf3 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -230,6 +230,8 @@ void cComposableGenerator::InitBiomeGen(cIniFile & a_IniFile)
// Add a cache, if requested:
int CacheSize = a_IniFile.GetValueSetI("Generator", "BiomeGenCacheSize", CacheOffByDefault ? 0 : 64);
+ int MultiCacheLength = a_IniFile.GetValueSetI("Generator", "BiomeGenMultiCacheLength", 4);
+
if (CacheSize > 0)
{
if (CacheSize < 4)
@@ -241,7 +243,16 @@ void cComposableGenerator::InitBiomeGen(cIniFile & a_IniFile)
}
LOGD("Using a cache for biomegen of size %d.", CacheSize);
m_UnderlyingBiomeGen = m_BiomeGen;
- m_BiomeGen = new cBioGenCache(m_UnderlyingBiomeGen, CacheSize);
+ if (MultiCacheLength > 0)
+ {
+ LOGD("Enabling multicache for biomegen of length %d.", MultiCacheLength);
+ m_BiomeGen = new cBioGenMulticache(m_UnderlyingBiomeGen, CacheSize, MultiCacheLength);
+ }
+ else
+ {
+ m_BiomeGen = new cBioGenCache(m_UnderlyingBiomeGen, CacheSize);
+ }
+
}
}