#ifndef DENSITY_MAP_H
#define DENSITY_MAP_H
#include <core/resource.h>
#include <core/math/random_number_generator.h>
#include <modules/opensimplex/open_simplex_noise.h>
#include <modules/voxel/util/math/vector3i.h>
#include "world_height_map.h"

class DensityMap: public Resource {
	GDCLASS(DensityMap, Resource);
public:
	DensityMap();
	~DensityMap();
protected:
	Ref<WorldHeightMap> height_map;
	Ref<RandomNumberGenerator> rnd;
	Ref<OpenSimplexNoise> noise;
	Ref<Curve> curve;
	float max_height;
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	static void _bind_methods();
public:
	void update_all();
	float get_population_density(float x, float y);
private:
	int seed;
};
#endif