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f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/*************************************************************************/
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/* path_2d_editor_plugin.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef PATH_2D_EDITOR_PLUGIN_H
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#define PATH_2D_EDITOR_PLUGIN_H
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#include "editor/editor_plugin.h"
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#include "scene/2d/path_2d.h"
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#include "scene/gui/separator.h"
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class CanvasItemEditor;
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class Path2DEditor : public HBoxContainer {
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GDCLASS(Path2DEditor, HBoxContainer);
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UndoRedo *undo_redo = nullptr;
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CanvasItemEditor *canvas_item_editor = nullptr;
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Panel *panel = nullptr;
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Path2D *node = nullptr;
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HBoxContainer *base_hb = nullptr;
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Separator *sep = nullptr;
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enum Mode {
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MODE_CREATE,
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MODE_EDIT,
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MODE_EDIT_CURVE,
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MODE_DELETE,
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ACTION_CLOSE
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};
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Mode mode;
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Button *curve_create = nullptr;
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Button *curve_edit = nullptr;
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Button *curve_edit_curve = nullptr;
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Button *curve_del = nullptr;
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Button *curve_close = nullptr;
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MenuButton *handle_menu = nullptr;
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bool mirror_handle_angle;
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bool mirror_handle_length;
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bool on_edge;
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enum HandleOption {
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HANDLE_OPTION_ANGLE,
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HANDLE_OPTION_LENGTH
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};
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enum Action {
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ACTION_NONE,
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ACTION_MOVING_POINT,
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ACTION_MOVING_IN,
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ACTION_MOVING_OUT,
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};
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Action action;
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int action_point;
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Point2 moving_from;
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Point2 moving_screen_from;
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float orig_in_length;
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float orig_out_length;
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Vector2 edge_point;
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void _mode_selected(int p_mode);
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void _handle_option_pressed(int p_option);
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void _node_visibility_changed();
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friend class Path2DEditorPlugin;
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protected:
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void _notification(int p_what);
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void _node_removed(Node *p_node);
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static void _bind_methods();
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public:
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bool forward_gui_input(const Ref<InputEvent> &p_event);
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void forward_canvas_draw_over_viewport(Control *p_overlay);
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void edit(Node *p_path2d);
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Path2DEditor();
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};
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class Path2DEditorPlugin : public EditorPlugin {
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GDCLASS(Path2DEditorPlugin, EditorPlugin);
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Path2DEditor *path2d_editor = nullptr;
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public:
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virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return path2d_editor->forward_gui_input(p_event); }
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virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { path2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
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virtual String get_name() const override { return "Path2D"; }
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bool has_main_screen() const override { return false; }
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virtual void edit(Object *p_object) override;
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virtual bool handles(Object *p_object) const override;
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virtual void make_visible(bool p_visible) override;
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Path2DEditorPlugin();
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~Path2DEditorPlugin();
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};
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#endif // PATH_2D_EDITOR_PLUGIN_H
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