nuclear@4: #ifndef TERRAIN_H_
nuclear@4: #define TERRAIN_H_
nuclear@4: 
nuclear@4: #include <string>
nuclear@4: #include <map>
nuclear@5: #include "tinyxml2.h"
nuclear@4: 
nuclear@4: class TerrainNode;
nuclear@4: 
nuclear@4: class Terrain {
nuclear@4: private:
nuclear@4: 	TerrainNode *root;
nuclear@4: 
nuclear@5: 	float size;
nuclear@5: 
nuclear@4: public:
nuclear@4: 	Terrain();
nuclear@4: 	~Terrain();
nuclear@4: 
nuclear@5: 	bool load(tinyxml2::XMLElement *xelem);
nuclear@5: 
nuclear@5: 	void set_size(float sz);
nuclear@4: 	float get_height(float x, float y) const;
nuclear@5: 
nuclear@5: 	void draw() const;
nuclear@4: };
nuclear@4: 
nuclear@4: 
nuclear@4: class TerrainNode {
nuclear@4: private:
nuclear@5: 	int map_xsz, map_ysz;
nuclear@5: 	float map_scale;
nuclear@5: 	unsigned char *hmap;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	TerrainNode *child[4];
nuclear@4: 
nuclear@4: 	TerrainNode();
nuclear@4: 	~TerrainNode();
nuclear@4: 
nuclear@5: 	bool load(tinyxml2::XMLElement *xelem);
nuclear@5: 	bool load_heightmap(const char *fname);
nuclear@5: 
nuclear@5: 	bool is_leaf() const;
nuclear@5: 
nuclear@4: 	TerrainNode *get_child(float x, float y);
nuclear@4: 	const TerrainNode *get_child(float x, float y) const;
nuclear@4: 
nuclear@4: 	float get_height(float x, float y) const;
nuclear@5: 
nuclear@5: 	void draw(float x, float y, float width, float height) const;
nuclear@4: };
nuclear@4: 
nuclear@4: #endif	// TERRAIN_H_