1 /*************************************************************************/ 2 /* listener.h */ 3 /*************************************************************************/ 4 /* This file is part of: */ 5 /* GODOT ENGINE */ 6 /* https://godotengine.org */ 7 /*************************************************************************/ 8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ 9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ 10 /* */ 11 /* Permission is hereby granted, free of charge, to any person obtaining */ 12 /* a copy of this software and associated documentation files (the */ 13 /* "Software"), to deal in the Software without restriction, including */ 14 /* without limitation the rights to use, copy, modify, merge, publish, */ 15 /* distribute, sublicense, and/or sell copies of the Software, and to */ 16 /* permit persons to whom the Software is furnished to do so, subject to */ 17 /* the following conditions: */ 18 /* */ 19 /* The above copyright notice and this permission notice shall be */ 20 /* included in all copies or substantial portions of the Software. */ 21 /* */ 22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ 23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ 24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ 25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ 26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ 27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ 28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 29 /*************************************************************************/ 30 31 #ifndef LISTENER_H 32 #define LISTENER_H 33 34 #include "scene/3d/spatial.h" 35 #include "scene/main/viewport.h" 36 37 class Listener : public Spatial { 38 39 GDCLASS(Listener, Spatial); 40 41 private: 42 bool force_change; 43 bool current; 44 45 RID scenario_id; 46 47 virtual bool _can_gizmo_scale() const; 48 virtual RES _get_gizmo_geometry() const; 49 50 friend class Viewport; 51 void _update_audio_listener_state(); 52 53 protected: 54 void _update_listener(); 55 virtual void _request_listener_update(); 56 57 bool _set(const StringName &p_name, const Variant &p_value); 58 bool _get(const StringName &p_name, Variant &r_ret) const; 59 void _get_property_list(List<PropertyInfo> *p_list) const; 60 void _notification(int p_what); 61 62 static void _bind_methods(); 63 64 public: 65 void make_current(); 66 void clear_current(); 67 bool is_current() const; 68 69 virtual Transform get_listener_transform() const; 70 71 void set_visible_layers(uint32_t p_layers); 72 uint32_t get_visible_layers() const; 73 74 Listener(); 75 ~Listener(); 76 }; 77 78 #endif 79