5 files changed, 41 insertions, 29 deletions
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 175e4ef33..60ad4e3eb 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -227,7 +227,7 @@ cBioGenMulticache::cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_Cache
 
 cBioGenMulticache::~cBioGenMulticache()
 {
-	for (std::vector<cBiomeGen*>::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+	for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
 	{
 		delete *it;
 	}
@@ -251,7 +251,7 @@ void cBioGenMulticache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMa
 
 void cBioGenMulticache::InitializeBiomeGen(cIniFile & a_IniFile)
 {
-	for (std::vector<cBiomeGen*>::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+	for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
 	{
 		cBiomeGen * tmp = *it;
 		tmp->InitializeBiomeGen(a_IniFile);
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index a4cf95a72..20d199611 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -87,16 +87,20 @@ class cBioGenMulticache :
 	typedef cBiomeGen super;
 
 public:
-	/* 
-		a_CacheSize defines the size of each singular cache
-		a_CachesLength defines how many caches are used for the multicache
+	/*
+	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;
+	typedef std::vector<cBiomeGen *> cBiomeGens;
+
+
+	size_t     m_CachesLength;
+	cBiomeGens m_Caches;
+
 
 	virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override;
 	virtual void InitializeBiomeGen(cIniFile & a_IniFile) override;
diff --git a/src/Generating/ChunkGenerator.cpp b/src/Generating/ChunkGenerator.cpp
index 4fa9729ec..d615456c1 100644
--- a/src/Generating/ChunkGenerator.cpp
+++ b/src/Generating/ChunkGenerator.cpp
@@ -112,6 +112,8 @@ void cChunkGenerator::Stop(void)
 
 void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate)
 {
+	ASSERT(m_ChunkSink->IsChunkQueued(a_ChunkX, a_ChunkZ));
+
 	{
 		cCSLock Lock(m_CS);
 
@@ -283,7 +285,8 @@ void cChunkGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ)
 {
 	ASSERT(m_PluginInterface != NULL);
 	ASSERT(m_ChunkSink != NULL);
-	
+	ASSERT(m_ChunkSink->IsChunkQueued(a_ChunkX, a_ChunkZ));
+
 	cChunkDesc ChunkDesc(a_ChunkX, a_ChunkZ);
 	m_PluginInterface->CallHookChunkGenerating(ChunkDesc);
 	m_Generator->DoGenerate(a_ChunkX, a_ChunkZ, ChunkDesc);
diff --git a/src/Generating/ChunkGenerator.h b/src/Generating/ChunkGenerator.h
index e880a6766..190d9e616 100644
--- a/src/Generating/ChunkGenerator.h
+++ b/src/Generating/ChunkGenerator.h
@@ -106,6 +106,10 @@ public:
 		If this callback returns false, the chunk is not generated.
 		*/
 		virtual bool HasChunkAnyClients(int a_ChunkX, int a_ChunkZ) = 0;
+
+		/** Called to check whether the specified chunk is in the queued state.
+		Currently used only in Debug-mode asserts. */
+		virtual bool IsChunkQueued(int a_ChunkX, int a_ChunkZ) = 0;
 	} ;
 	
 
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index d70438bf3..69068d231 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -230,29 +230,30 @@ 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 <= 0)
 	{
-		if (CacheSize < 4)
-		{
-			LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
-				CacheSize, 4
-			);
-			CacheSize = 4;
-		}
-		LOGD("Using a cache for biomegen of size %d.", CacheSize);
-		m_UnderlyingBiomeGen = m_BiomeGen;
-		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);
-		}
-		
+		return;
+	}
+
+	int MultiCacheLength = a_IniFile.GetValueSetI("Generator", "BiomeGenMultiCacheLength", 4);
+	if (CacheSize < 4)
+	{
+		LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
+			CacheSize, 4
+		);
+		CacheSize = 4;
+	}
+	LOGD("Using a cache for biomegen of size %d.", CacheSize);
+	m_UnderlyingBiomeGen = m_BiomeGen;
+	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);
 	}
 }