reimplement aether stuff from personal repo

Minecraft.World/AetherLevelSource.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "ChunkSource.h"
+class PerlinNoise;
+
+class AetherLevelSource : public ChunkSource
+{
+public:
+	static const int CHUNK_HEIGHT = 4;
+	static const int CHUNK_WIDTH = 8;
+private:
+	Random *random;
+	Random *pprandom;
+
+private:
+	PerlinNoise *lperlinNoise1;
+	PerlinNoise *lperlinNoise2;
+	PerlinNoise *perlinNoise1;
+public:
+	PerlinNoise *scaleNoise;
+	PerlinNoise *depthNoise;
+private:
+	// Additional noise to create scattered island clusters
+	PerlinNoise *islandNoise;
+	// Carving noise for irregular island shapes
+	PerlinNoise *carvingNoise;
+
+	Level *level;
+
+public:
+	AetherLevelSource(Level *level, __int64 seed);
+	~AetherLevelSource();
+
+	void prepareHeights(int xOffs, int zOffs, byteArray blocks, BiomeArray biomes);
+	void buildSurfaces(int xOffs, int zOffs, byteArray blocks, BiomeArray biomes);
+
+public:
+	virtual LevelChunk *create(int x, int z);
+	virtual LevelChunk *getChunk(int xOffs, int zOffs);
+
+private:
+	doubleArray getHeights(doubleArray buffer, int x, int y, int z, int xSize, int ySize, int zSize);
+
+public:
+	virtual bool hasChunk(int x, int y);
+	virtual void lightChunk(LevelChunk *lc);
+	virtual void postProcess(ChunkSource *parent, int xt, int zt);
+	virtual bool save(bool force, ProgressListener *progressListener);
+	virtual bool tick();
+	virtual bool shouldSave();
+	virtual wstring gatherStats();
+
+public:
+	virtual vector<Biome::MobSpawnerData *> *getMobsAt(MobCategory *mobCategory, int x, int y, int z);
+	virtual TilePos *findNearestMapFeature(Level *level, const wstring& featureName, int x, int y, int z);
+};