first commit

Minecraft.World/StructureFeature.h

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+#pragma once
+#include "LargeFeature.h"
+class StructureStart;
+
+class StructureFeature : public LargeFeature
+{
+public:
+	// 4J added - Maps to values in the game rules xml
+	enum EFeatureTypes
+	{
+		eFeature_Mineshaft,
+		eFeature_NetherBridge,
+		eFeature_Temples,
+		eFeature_Stronghold,
+		eFeature_Village,
+	};
+
+protected:
+	unordered_map<__int64, StructureStart *> cachedStructures;
+
+public:
+	~StructureFeature();
+
+	virtual void addFeature(Level *level, int x, int z, int xOffs, int zOffs, byteArray blocks);
+
+    bool postProcess(Level *level, Random *random, int chunkX, int chunkZ);
+    bool isIntersection(int cellX, int cellZ);
+
+	bool isInsideFeature(int cellX, int cellY, int cellZ);
+	TilePos *getNearestGeneratedFeature(Level *level, int cellX, int cellY, int cellZ);
+protected:
+	vector<TilePos> *getGuesstimatedFeaturePositions(); 
+
+    /**
+     * Returns true if the given chunk coordinates should hold a structure
+     * source.
+     * 
+     * @param x
+     *            chunk x
+     * @param z
+     *            chunk z
+     * @return
+     */
+protected:
+	virtual bool isFeatureChunk(int x, int z, bool bIsSuperflat=false) = 0;
+
+    /**
+     * Creates a new instance of a structure source at the given chunk
+     * coordinates.
+     * 
+     * @param x
+     *            chunk x
+     * @param z
+     *            chunk z
+     * @return
+     */
+    virtual StructureStart *createStructureStart(int x, int z) = 0;
+};