#pragma once

#include "core/templates/hash_map.h"
#include "generative_grammar/grammar.h"
#include "scene/3d/node_3d.h"
#include "scene/resources/packed_scene.h"

class Generator : public Node3D {
	GDCLASS(Generator, Node3D);
	static void _bind_methods();
	void initialise_state();
	void ready();

protected:
	void _notification(int what);

public:
	Ref<Sentence> state{};
	Rule *rule{ nullptr };
	typedef HashMap<Symbol, Ref<PackedScene>> TileMap;
	TileMap tiles{};
	float tile_size{ 1.f };

private:
	GET_SET_FNS(float, tile_size);
	GET_SET_FNS(Ref<Sentence>, state);
	GET_SET_REF_FNS(TileMap, tiles);
	void set_tiles_dict(Dictionary dict);
	Dictionary get_tiles_dict() const;
};