Initial commit

1 files changed, 106 insertions, 0 deletions

diff --git a/Minecraft.World/BiomeSource.h b/Minecraft.World/BiomeSource.h
new file mode 100644
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+++ b/Minecraft.World/BiomeSource.h
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+#pragma once
+#include "Biome.h"
+#include "BiomeSource.h"
+#include "BiomeCache.h"
+#include "net.minecraft.world.level.levelgen.synth.h"
+
+class ChunkPos;
+class Level;
+class Layer;
+class TilePos;
+class LevelType;
+
+class BiomeSource
+{
+private:
+	shared_ptr<Layer> layer;
+	shared_ptr<Layer> zoomedLayer;
+public:
+	static const int CACHE_DIAMETER = 256;
+
+private:
+	BiomeCache *cache;
+
+	vector<Biome *> playerSpawnBiomes;
+
+protected:
+	void _init();
+	void _init(__int64 seed, LevelType *generator);
+    BiomeSource();
+
+public:
+	BiomeSource(__int64 seed, LevelType *generator);
+    BiomeSource(Level *level);
+private:
+	static bool getIsMatch(float *frac);					// 4J added
+	static void getFracs(intArray indices, float *fracs);	// 4J added
+public:
+#ifdef __PSVITA__
+	static __int64 findSeed(LevelType *generator, bool* pServerRunning);	// MGH - added pRunning, so we can early out of this on Vita as it can take up to 60 secs							// 4J added
+#else
+	static __int64 findSeed(LevelType *generator);	// 4J added
+#endif
+	~BiomeSource();
+
+public:
+	vector<Biome *> getPlayerSpawnBiomes() { return playerSpawnBiomes; }
+    virtual Biome *getBiome(ChunkPos *cp);
+    virtual Biome *getBiome(int x, int z);
+
+	// 4J - changed the interface for these methods, mainly for thread safety
+	virtual float getDownfall(int x, int z) const;
+    virtual floatArray getDownfallBlock(int x, int z, int w, int h) const;
+    virtual void getDownfallBlock(floatArray &downfalls, int x, int z, int w, int h) const;
+
+	// 4J - changed the interface for these methods, mainly for thread safety
+	virtual BiomeCache::Block *getBlockAt(int x, int y);
+	virtual float getTemperature(int x, int y, int z) const;
+	float scaleTemp(float temp, int y ) const;	// 4J - brought forward from 1.2.3
+	virtual floatArray getTemperatureBlock(int x, int z, int w, int h) const;
+    virtual void getTemperatureBlock(floatArray& temperatures, int x, int z, int w, int h) const;
+
+	virtual BiomeArray getRawBiomeBlock(int x, int z, int w, int h) const;
+	virtual void getRawBiomeBlock(BiomeArray &biomes, int x, int z, int w, int h) const;
+	virtual void getRawBiomeIndices(intArray &biomes, int x, int z, int w, int h) const;		// 4J added
+	virtual BiomeArray getBiomeBlock(int x, int z, int w, int h) const;
+    virtual void getBiomeBlock(BiomeArray& biomes, int x, int z, int w, int h, bool useCache) const;
+
+	virtual byteArray getBiomeIndexBlock(int x, int z, int w, int h) const;
+	virtual void getBiomeIndexBlock(byteArray& biomeIndices, int x, int z, int w, int h, bool useCache) const;
+
+	/**
+	* Checks if an area around a block contains only the specified biomes.
+	* Useful for placing elements like towns.
+	* 
+	* This is a bit of a rough check, to make it as fast as possible. To ensure
+	* NO other biomes, add a margin of at least four blocks to the radius
+	*/
+	virtual bool containsOnly(int x, int z, int r, vector<Biome *> allowed);
+
+	/**
+	* Checks if an area around a block contains only the specified biome.
+	* Useful for placing elements like towns.
+	* 
+	* This is a bit of a rough check, to make it as fast as possible. To ensure
+	* NO other biomes, add a margin of at least four blocks to the radius
+	*/
+	virtual bool containsOnly(int x, int z, int r, Biome *allowed);
+
+	/**
+	* Finds the specified biome within the radius. This will return a random
+	* position if several are found. This test is fairly rough.
+	* 
+	* Returns null if the biome wasn't found
+	*/
+	virtual TilePos *findBiome(int x, int z, int r, Biome *toFind, Random *random);
+
+	/**
+	* Finds one of the specified biomes within the radius. This will return a
+	* random position if several are found. This test is fairly rough.
+	* 
+	* Returns null if the biome wasn't found
+	*/
+	virtual TilePos *findBiome(int x, int z, int r, vector<Biome *> allowed, Random *random);
+
+	void update();
+};