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/*************************************************************************/
/* abstract_polygon_2d_editor.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef ABSTRACT_POLYGON_2D_EDITOR_H
#define ABSTRACT_POLYGON_2D_EDITOR_H
#include "editor/editor_node.h"
#include "editor/editor_plugin.h"
#include "scene/2d/polygon_2d.h"
#include "scene/gui/tool_button.h"
class CanvasItemEditor;
class AbstractPolygon2DEditor : public HBoxContainer {
GDCLASS(AbstractPolygon2DEditor, HBoxContainer);
ToolButton *button_create;
ToolButton *button_edit;
ToolButton *button_delete;
struct Vertex {
Vertex() {}
Vertex(int p_vertex) :
vertex(p_vertex) {}
Vertex(int p_polygon, int p_vertex) :
polygon(p_polygon),
vertex(p_vertex) {}
bool operator==(const Vertex &p_vertex) const;
bool operator!=(const Vertex &p_vertex) const;
bool valid() const;
int polygon = -1;
int vertex = -1;
};
struct PosVertex : public Vertex {
PosVertex() {}
PosVertex(const Vertex &p_vertex, const Vector2 &p_pos) :
Vertex(p_vertex.polygon, p_vertex.vertex),
pos(p_pos) {}
PosVertex(int p_polygon, int p_vertex, const Vector2 &p_pos) :
Vertex(p_polygon, p_vertex),
pos(p_pos) {}
Vector2 pos;
};
PosVertex edited_point;
Vertex hover_point; // point under mouse cursor
Vertex selected_point; // currently selected
PosVertex edge_point; // adding an edge point?
Vector<Vector2> pre_move_edit;
Vector<Vector2> wip;
bool wip_active;
bool wip_destructive;
bool _polygon_editing_enabled;
CanvasItemEditor *canvas_item_editor;
EditorNode *editor;
Panel *panel;
ConfirmationDialog *create_resource;
protected:
enum {
MODE_CREATE,
MODE_EDIT,
MODE_DELETE,
MODE_CONT,
};
int mode;
UndoRedo *undo_redo;
virtual void _menu_option(int p_option);
void _wip_changed();
void _wip_close();
void _wip_cancel();
bool _delete_point(const Vector2 &p_gpoint);
void _notification(int p_what);
void _node_removed(Node *p_node);
static void _bind_methods();
void remove_point(const Vertex &p_vertex);
Vertex get_active_point() const;
PosVertex closest_point(const Vector2 &p_pos) const;
PosVertex closest_edge_point(const Vector2 &p_pos) const;
bool _is_empty() const;
virtual Node2D *_get_node() const = 0;
virtual void _set_node(Node *p_polygon) = 0;
virtual bool _is_line() const;
virtual bool _has_uv() const;
virtual int _get_polygon_count() const;
virtual Vector2 _get_offset(int p_idx) const;
virtual Variant _get_polygon(int p_idx) const;
virtual void _set_polygon(int p_idx, const Variant &p_polygon) const;
virtual void _action_add_polygon(const Variant &p_polygon);
virtual void _action_remove_polygon(int p_idx);
virtual void _action_set_polygon(int p_idx, const Variant &p_polygon);
virtual void _action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon);
virtual void _commit_action();
virtual bool _has_resource() const;
virtual void _create_resource();
public:
void disable_polygon_editing(bool p_disable, String p_reason);
bool forward_gui_input(const Ref<InputEvent> &p_event);
void forward_canvas_draw_over_viewport(Control *p_overlay);
void edit(Node *p_polygon);
AbstractPolygon2DEditor(EditorNode *p_editor, bool p_wip_destructive = true);
};
class AbstractPolygon2DEditorPlugin : public EditorPlugin {
GDCLASS(AbstractPolygon2DEditorPlugin, EditorPlugin);
AbstractPolygon2DEditor *polygon_editor;
EditorNode *editor;
String klass;
public:
virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return polygon_editor->forward_gui_input(p_event); }
virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { polygon_editor->forward_canvas_draw_over_viewport(p_overlay); }
bool has_main_screen() const { return false; }
virtual String get_name() const { return klass; }
virtual void edit(Object *p_object);
virtual bool handles(Object *p_object) const;
virtual void make_visible(bool p_visible);
AbstractPolygon2DEditorPlugin(EditorNode *p_node, AbstractPolygon2DEditor *p_polygon_editor, String p_class);
~AbstractPolygon2DEditorPlugin();
};
#endif // ABSTRACT_POLYGON_2D_EDITOR_H
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