From 675b4aa878f16291ce33fced48a2bc7425f635ae Mon Sep 17 00:00:00 2001
From: Alexander Harkness <bearbin@gmail.com>
Date: Sun, 24 Nov 2013 14:19:41 +0000
Subject: Moved source to src

---
 src/Generating/Noise3DGenerator.h | 106 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/Generating/Noise3DGenerator.h

(limited to 'src/Generating/Noise3DGenerator.h')

diff --git a/src/Generating/Noise3DGenerator.h b/src/Generating/Noise3DGenerator.h
new file mode 100644
index 000000000..0d211cddc
--- /dev/null
+++ b/src/Generating/Noise3DGenerator.h
@@ -0,0 +1,106 @@
+
+// Noise3DGenerator.h
+
+// Generates terrain using 3D noise, rather than composing. Is a test.
+
+
+
+
+#pragma once
+
+#include "ComposableGenerator.h"
+#include "../Noise.h"
+
+
+
+
+
+class cNoise3DGenerator :
+	public cChunkGenerator::cGenerator
+{
+	typedef cChunkGenerator::cGenerator super;
+	
+public:
+	cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator);
+	virtual ~cNoise3DGenerator();
+	
+	virtual void Initialize(cWorld * a_World, cIniFile & a_IniFile) override;
+	virtual void GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override;
+	virtual void DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_ChunkDesc) override;
+	
+protected:
+	// Linear interpolation step sizes, must be divisors of cChunkDef::Width and cChunkDef::Height, respectively:
+	static const int UPSCALE_X = 8;
+	static const int UPSCALE_Y = 4;
+	static const int UPSCALE_Z = 8;
+	
+	// Linear interpolation buffer dimensions, calculated from the step sizes:
+	static const int DIM_X = 1 + cChunkDef::Width  / UPSCALE_X;
+	static const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y;
+	static const int DIM_Z = 1 + cChunkDef::Width  / UPSCALE_Z;
+
+	cPerlinNoise m_Perlin;   // The base 3D noise source for the actual composition
+	cCubicNoise  m_Cubic;    // The noise used for heightmap directing
+	
+	int            m_SeaLevel;
+	NOISE_DATATYPE m_HeightAmplification;
+	NOISE_DATATYPE m_MidPoint;  // Where the vertical "center" of the noise should be
+	NOISE_DATATYPE m_FrequencyX;
+	NOISE_DATATYPE m_FrequencyY;
+	NOISE_DATATYPE m_FrequencyZ;
+	NOISE_DATATYPE m_AirThreshold;
+	
+	/// Generates the 3D noise array used for terrain generation; a_Noise is of ChunkData-size
+	void GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DATATYPE * a_Noise);
+	
+	/// Updates heightmap based on the chunk's contents
+	void UpdateHeightmap(cChunkDesc & a_ChunkDesc);
+	
+	/// Composes terrain - adds dirt, grass and sand
+	void ComposeTerrain(cChunkDesc & a_ChunkDesc);
+} ;
+
+
+
+
+
+class cNoise3DComposable :
+	public cTerrainHeightGen,
+	public cTerrainCompositionGen
+{
+public:
+	cNoise3DComposable(int a_Seed);
+
+	void Initialize(cIniFile & a_IniFile);
+
+protected:
+	cNoise m_Noise1;
+	cNoise m_Noise2;
+	cNoise m_Noise3;
+	
+	int            m_SeaLevel;
+	NOISE_DATATYPE m_HeightAmplification;
+	NOISE_DATATYPE m_MidPoint;  // Where the vertical "center" of the noise should be
+	NOISE_DATATYPE m_FrequencyX;
+	NOISE_DATATYPE m_FrequencyY;
+	NOISE_DATATYPE m_FrequencyZ;
+	NOISE_DATATYPE m_AirThreshold;
+	
+	int m_LastChunkX;
+	int m_LastChunkZ;
+	NOISE_DATATYPE m_NoiseArray[17 * 17 * 257];  // x + 17 * z + 17 * 17 * y
+	
+	
+	/// Generates the 3D noise array used for terrain generation, unless the LastChunk coords are equal to coords given
+	void GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ);
+	
+	// cTerrainHeightGen overrides:
+	virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override;
+
+	// cTerrainCompositionGen overrides:
+	virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
-- 
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