/*************************************************************************/
/*  polygon_2d.h                                                         */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#ifndef POLYGON_2D_H
#define POLYGON_2D_H

#include "scene/2d/node_2d.h"

class Polygon2D : public Node2D {
	GDCLASS(Polygon2D, Node2D);

	Vector<Vector2> polygon;
	Vector<Vector2> uv;
	Vector<Color> vertex_colors;
	Array polygons;
	int internal_vertices = 0;

	struct Bone {
		NodePath path;
		Vector<float> weights;
	};

	Vector<Bone> bone_weights;

	Color color = Color(1, 1, 1);
	Ref<Texture2D> texture;

	Size2 tex_scale = Vector2(1, 1);
	Vector2 tex_ofs;
	bool tex_tile = true;
	float tex_rot = 0.0;
	bool invert = false;
	float invert_border = 100.0;
	bool antialiased = false;

	Vector2 offset;
	mutable bool rect_cache_dirty = true;
	mutable Rect2 item_rect;

	NodePath skeleton;
	ObjectID current_skeleton_id;

	Array _get_bones() const;
	void _set_bones(const Array &p_bones);

	void _skeleton_bone_setup_changed();

#ifdef TOOLS_ENABLED
	void _validate_property(PropertyInfo &property) const override;
#endif

protected:
	void _notification(int p_what);
	static void _bind_methods();

public:
#ifdef TOOLS_ENABLED
	virtual Dictionary _edit_get_state() const override;
	virtual void _edit_set_state(const Dictionary &p_state) override;

	virtual void _edit_set_pivot(const Point2 &p_pivot) override;
	virtual Point2 _edit_get_pivot() const override;
	virtual bool _edit_use_pivot() const override;
	virtual Rect2 _edit_get_rect() const override;
	virtual bool _edit_use_rect() const override;

	virtual bool _edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const override;
#endif

	void set_polygon(const Vector<Vector2> &p_polygon);
	Vector<Vector2> get_polygon() const;

	void set_internal_vertex_count(int p_count);
	int get_internal_vertex_count() const;

	void set_uv(const Vector<Vector2> &p_uv);
	Vector<Vector2> get_uv() const;

	void set_polygons(const Array &p_polygons);
	Array get_polygons() const;

	void set_color(const Color &p_color);
	Color get_color() const;

	void set_vertex_colors(const Vector<Color> &p_colors);
	Vector<Color> get_vertex_colors() const;

	void set_texture(const Ref<Texture2D> &p_texture);
	Ref<Texture2D> get_texture() const;

	void set_texture_offset(const Vector2 &p_offset);
	Vector2 get_texture_offset() const;

	void set_texture_rotation(float p_rot);
	float get_texture_rotation() const;

	void set_texture_rotation_degrees(float p_rot);
	float get_texture_rotation_degrees() const;

	void set_texture_scale(const Size2 &p_scale);
	Size2 get_texture_scale() const;

	void set_invert(bool p_invert);
	bool get_invert() const;

	void set_antialiased(bool p_antialiased);
	bool get_antialiased() const;

	void set_invert_border(float p_invert_border);
	float get_invert_border() const;

	void set_offset(const Vector2 &p_offset);
	Vector2 get_offset() const;

	void add_bone(const NodePath &p_path = NodePath(), const Vector<float> &p_weights = Vector<float>());
	int get_bone_count() const;
	NodePath get_bone_path(int p_index) const;
	Vector<float> get_bone_weights(int p_index) const;
	void erase_bone(int p_idx);
	void clear_bones();
	void set_bone_weights(int p_index, const Vector<float> &p_weights);
	void set_bone_path(int p_index, const NodePath &p_path);

	void set_skeleton(const NodePath &p_skeleton);
	NodePath get_skeleton() const;

	Polygon2D();
};

#endif // POLYGON_2D_H