#ifndef OVERLAPPING_WAVE_FORM_COLLAPSE_H
#define OVERLAPPING_WAVE_FORM_COLLAPSE_H

#include "core/containers/vector.h"

#include "array_2d.h"
#include "wave_form_collapse.h"

class OverlappingWaveFormCollapse : public WaveFormCollapse {
	GDCLASS(OverlappingWaveFormCollapse, WaveFormCollapse);

public:
	bool get_periodic_input() const;
	void set_periodic_input(const bool val);

	int get_out_height() const;
	void set_out_height(const int val);

	int get_out_width() const;
	void set_out_width(const int val);

	int get_symmetry() const;
	void set_symmetry(const int val);

	bool get_ground() const;
	void set_ground(const bool val);

	int get_pattern_size() const;
	void set_pattern_size(const int val);

	int get_wave_height() const;
	int get_wave_width() const;

	Array2D<int> run();

	void init_ground();

	bool set_pattern(const Array2D<int> &pattern, int i, int j);
	int get_ground_pattern_id();
	int get_pattern_id(const Array2D<int> &pattern);
	void set_pattern(int pattern_id, int i, int j);
	
	void init_patterns();

	bool agrees(const Array2D<int> &pattern1, const Array2D<int> &pattern2, int dy, int dx);

	void generate_compatible();

	Array2D<int> to_image(const Array2D<int> &output_patterns) const;

	void initialize();

	OverlappingWaveFormCollapse();
	~OverlappingWaveFormCollapse();

protected:
	static void _bind_methods();

private:
	Vector<Array2D<int>> _patterns;

	bool _periodic_input;
	int _out_height;
	int _out_width;
	int _symmetry;
	bool _ground;
	int _pattern_size;
};

#endif