4 files changed, 152 insertions, 5 deletions

diff --git a/COMPILING.md b/COMPILING.md
index 31222a5d8..eceeefee7 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -81,8 +81,8 @@ This is useful if you want to compile MCServer to use on another 32-bit machine.
     
 to your cmake command and 32 bit will be forced.
 
-Compiling for another computer
-------------------------------
+### Compiling for another computer ###
+
 
 When compiling for another computer it is important to set cross compiling mode. This tells the compiler not to optimise for your machine. It can be used with debug or release mode. To enable simply add:
 
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;