3 files changed, 150 insertions, 3 deletions

diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index 87c4d2c52..cfa7e9c6f 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -367,10 +367,10 @@ void cComposableGenerator::InitStructureGens(cIniFile & a_IniFile)
 void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
 {
 	int Seed = m_ChunkGenerator.GetSeed();
-	AString Structures = a_IniFile.GetValueSet("Generator", "Finishers", "SprinkleFoliage,Ice,Snow,Lilypads,BottomLava,DeadBushes,PreSimulator");
-
 	eDimension Dimension = StringToDimension(a_IniFile.GetValue("General", "Dimension", "Overworld"));
-	AStringVector Str = StringSplitAndTrim(Structures, ",");
+
+	AString Finishers = a_IniFile.GetValueSet("Generator", "Finishers", "SprinkleFoliage,Ice,Snow,Lilypads,BottomLava,DeadBushes,PreSimulator");
+	AStringVector Str = StringSplitAndTrim(Finishers, ",");
 	for (AStringVector::const_iterator itr = Str.begin(); itr != Str.end(); ++itr)
 	{
 		// Finishers, alpha-sorted:
@@ -396,6 +396,10 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
 		{
 			m_FinishGens.push_back(new cFinishGenSingleBiomeSingleTopBlock(Seed, E_BLOCK_LILY_PAD, biSwampland, 4, E_BLOCK_WATER, E_BLOCK_STATIONARY_WATER));
 		}
+		else if (NoCaseCompare(*itr, "NetherClumpFoliage") == 0)
+		{
+			m_FinishGens.push_back(new cFinishGenNetherClumpFoliage(Seed));
+		}
 		else if (NoCaseCompare(*itr, "PreSimulator") == 0)
 		{
 			m_FinishGens.push_back(new cFinishGenPreSimulator);
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index 4915e6818..02045f76a 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -13,6 +13,7 @@
 #include "../Noise.h"
 #include "../BlockID.h"
 #include "../Simulator/FluidSimulator.h"  // for cFluidSimulator::CanWashAway()
+#include "../Simulator/FireSimulator.h"
 #include "../World.h"
 
 
@@ -40,6 +41,125 @@ static inline bool IsWater(BLOCKTYPE a_BlockType)
 
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFinishGenNetherClumpFoliage:
+
+void cFinishGenNetherClumpFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
+{
+	double ChunkX = a_ChunkDesc.GetChunkX() + 0.1; // We can't devide through 0 so lets add 0.1 to all the chunk coordinates.
+	double ChunkZ = a_ChunkDesc.GetChunkZ() + 0.1;
+	
+	NOISE_DATATYPE Val1 = m_Noise.CubicNoise2D((float) (ChunkX * ChunkZ * 0.01f), (float) (ChunkZ / ChunkX * 0.01f));
+	NOISE_DATATYPE Val2 = m_Noise.CubicNoise2D((float) (ChunkX / ChunkZ / 0.01f), (float) (ChunkZ * ChunkX / 0.01f));
+
+	if (Val1 < 0)
+	{
+		Val1 = -Val1;
+	}
+	
+	if (Val2 < 0)
+	{
+		Val2 = -Val2;
+	}
+
+	int PosX, PosZ;
+	// Calculate PosX
+	if (Val1 <= 1)
+	{
+		PosX = (int) floor(Val1 * 16);
+	}
+	else
+	{
+		PosX = (int) floor(16 / Val1);
+	}
+	
+	// Calculate PosZ
+	if (Val2 <= 1)
+	{
+		PosZ = (int) floor(Val2 * 16);
+	}
+	else
+	{
+		PosZ = (int) floor(16 / Val2);
+	}
+
+	for (int y = 1; y < cChunkDef::Height; y++)
+	{
+		if (a_ChunkDesc.GetBlockType(PosX, y, PosZ) != E_BLOCK_AIR)
+		{
+			continue;
+		}
+		if (!g_BlockIsSolid[a_ChunkDesc.GetBlockType(PosX, y - 1, PosZ)])  // Only place on solid blocks
+		{
+			continue;
+		}
+		
+		NOISE_DATATYPE BlockType = m_Noise.CubicNoise1D((float) (ChunkX * ChunkZ) / (y * 0.1f));
+		if (BlockType < -0.7)
+		{
+			TryPlaceClump(a_ChunkDesc, PosX, y, PosZ, E_BLOCK_BROWN_MUSHROOM);
+		}
+		else if (BlockType < 0)
+		{
+			TryPlaceClump(a_ChunkDesc, PosX, y, PosZ, E_BLOCK_RED_MUSHROOM);
+		}
+		else if (BlockType < 0.7)
+		{
+			TryPlaceClump(a_ChunkDesc, PosX, y, PosZ, E_BLOCK_FIRE);
+		}
+	}
+}
+
+
+
+
+
+void cFinishGenNetherClumpFoliage::TryPlaceClump(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Block)
+{
+	bool IsFireBlock = a_Block == E_BLOCK_FIRE;
+
+	for (int x = a_RelX - 4; x < a_RelX + 4; x++)
+	{
+		float xx = (float) a_ChunkDesc.GetChunkX() * cChunkDef::Width + x;
+		for (int z = a_RelZ - 4; z < a_RelZ + 4; z++)
+		{
+			float zz = (float) a_ChunkDesc.GetChunkZ() * cChunkDef::Width + z;
+			for (int y = a_RelY - 2; y < a_RelY + 2; y++)
+			{
+				if (a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR) // Don't replace non air blocks.
+				{
+					continue;
+				}
+
+				BLOCKTYPE BlockBelow = a_ChunkDesc.GetBlockType(x, y - 1, z);
+				if (!g_BlockIsSolid[BlockBelow])  // Only place on solid blocks
+				{
+					continue;
+				}
+
+				if (IsFireBlock) // don't place fire on non-forever burning blocks.
+				{
+					if (!cFireSimulator::DoesBurnForever(BlockBelow))
+					{
+						continue;
+					}
+				}
+
+
+				NOISE_DATATYPE Val = m_Noise.CubicNoise2D(xx, zz);
+				if (Val < -0.70)
+				{
+					a_ChunkDesc.SetBlockType(x, y, z, a_Block);
+				}
+			}
+		}
+	}
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cFinishGenSprinkleFoliage:
 
 bool cFinishGenSprinkleFoliage::TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ)
diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h
index d89ffed15..2e5732929 100644
--- a/src/Generating/FinishGen.h
+++ b/src/Generating/FinishGen.h
@@ -47,6 +47,28 @@ protected:
 
 
 
+class cFinishGenNetherClumpFoliage :
+	public cFinishGen
+{
+public:
+	cFinishGenNetherClumpFoliage(int a_Seed) :
+		m_Noise(a_Seed),
+		m_Seed(a_Seed)
+	{
+	}
+
+protected:
+	cNoise m_Noise;
+	int    m_Seed;
+
+	void TryPlaceClump(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Block);
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
 class cFinishGenSprinkleFoliage :
 	public cFinishGen
 {
@@ -117,6 +139,7 @@ public:
 	{
 	}
 	
+	int GetLevel(void) const { return m_Level; }
 protected:
 	int m_Level;