/*************************************************************************/
/*  sprite_editor_plugin.h                                               */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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/* "Software"), to deal in the Software without restriction, including   */
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/*************************************************************************/

#ifndef SPRITE_EDITOR_PLUGIN_H
#define SPRITE_EDITOR_PLUGIN_H

#include "editor/editor_node.h"
#include "editor/editor_plugin.h"
#include "scene/2d/sprite.h"
#include "scene/gui/spin_box.h"

class SpriteEditor : public Control {

	GDCLASS(SpriteEditor, Control);

	enum Menu {
		MENU_OPTION_CONVERT_TO_MESH_2D,
		MENU_OPTION_CONVERT_TO_POLYGON_2D,
		MENU_OPTION_CREATE_COLLISION_POLY_2D,
		MENU_OPTION_CREATE_LIGHT_OCCLUDER_2D
	};

	Menu selected_menu_item;

	Sprite *node;

	MenuButton *options;

	ConfirmationDialog *outline_dialog;

	AcceptDialog *err_dialog;

	ConfirmationDialog *debug_uv_dialog;
	Control *debug_uv;
	Vector<Vector2> uv_lines;
	Vector<Vector<Vector2>> outline_lines;
	Vector<Vector<Vector2>> computed_outline_lines;
	Vector<Vector2> computed_vertices;
	Vector<Vector2> computed_uv;
	Vector<int> computed_indices;

	SpinBox *simplification;
	SpinBox *grow_pixels;
	SpinBox *shrink_pixels;
	Button *update_preview;

	void _menu_option(int p_option);

	//void _create_uv_lines();
	friend class SpriteEditorPlugin;

	void _debug_uv_draw();
	void _update_mesh_data();

	void _create_node();
	void _convert_to_mesh_2d_node();
	void _convert_to_polygon_2d_node();
	void _create_collision_polygon_2d_node();
	void _create_light_occluder_2d_node();

	void _add_as_sibling_or_child(Node *p_own_node, Node *p_new_node);

protected:
	void _node_removed(Node *p_node);
	static void _bind_methods();

public:
	void edit(Sprite *p_sprite);
	SpriteEditor();
};

class SpriteEditorPlugin : public EditorPlugin {

	GDCLASS(SpriteEditorPlugin, EditorPlugin);

	SpriteEditor *sprite_editor;
	EditorNode *editor;

public:
	virtual String get_name() const { return "Sprite"; }
	bool has_main_screen() const { return false; }
	virtual void edit(Object *p_object);
	virtual bool handles(Object *p_object) const;
	virtual void make_visible(bool p_visible);

	SpriteEditorPlugin(EditorNode *p_node);
	~SpriteEditorPlugin();
};

#endif // SPRITE_EDITOR_PLUGIN_H