godot/editor/plugins/path_editor_plugin.h

/*************************************************************************/
/*  path_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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#ifndef PATH_EDITOR_PLUGIN_H
#define PATH_EDITOR_PLUGIN_H

#include "editor/spatial_editor_gizmos.h"
#include "scene/3d/path.h"
class PathSpatialGizmo : public EditorSpatialGizmo {

	OBJ_TYPE(PathSpatialGizmo, EditorSpatialGizmo);

	Path *path;
	mutable Vector3 original;

public:
	virtual String get_handle_name(int p_idx) const;
	virtual Variant get_handle_value(int p_idx) const;
	virtual void set_handle(int p_idx, Camera *p_camera, const Point2 &p_point);
	virtual void commit_handle(int p_idx, const Variant &p_restore, bool p_cancel = false);

	void redraw();
	PathSpatialGizmo(Path *p_path = NULL);
};

class PathEditorPlugin : public EditorPlugin {

	OBJ_TYPE(PathEditorPlugin, EditorPlugin);

	Separator *sep;
	ToolButton *curve_create;
	ToolButton *curve_edit;
	ToolButton *curve_del;
	ToolButton *curve_close;

	EditorNode *editor;

	Path *path;

	void _mode_changed(int p_idx);
	void _close_curve();

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

public:
	Path *get_edited_path() { return path; }

	static PathEditorPlugin *singleton;
	Ref<FixedMaterial> path_material;
	Ref<FixedMaterial> path_thin_material;
	virtual bool forward_spatial_input_event(Camera *p_camera, const InputEvent &p_event);

	//	virtual bool forward_input_event(const InputEvent& p_event) { return collision_polygon_editor->forward_input_event(p_event); }
	virtual Ref<SpatialEditorGizmo> create_spatial_gizmo(Spatial *p_spatial);
	virtual String get_name() const { return "Path"; }
	bool has_main_screen() const { return false; }
	virtual void edit(Object *p_node);
	virtual bool handles(Object *p_node) const;
	virtual void make_visible(bool p_visible);

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

#endif // PATH_EDITOR_PLUGIN_H