initial commit, 4.5 stable

scene/2d/audio_stream_player_2d.h

@@ -0,0 +1,150 @@
+/**************************************************************************/
+/*  audio_stream_player_2d.h                                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "scene/2d/node_2d.h"
+#include "servers/audio_server.h"
+
+struct AudioFrame;
+class AudioStream;
+class AudioStreamPlayback;
+class AudioStreamPlayerInternal;
+
+class AudioStreamPlayer2D : public Node2D {
+	GDCLASS(AudioStreamPlayer2D, Node2D);
+
+private:
+	enum {
+		MAX_OUTPUTS = 8,
+		MAX_INTERSECT_AREAS = 32
+
+	};
+
+	struct Output {
+		AudioFrame vol;
+		int bus_index = 0;
+		Viewport *viewport = nullptr; //pointer only used for reference to previous mix
+	};
+
+	AudioStreamPlayerInternal *internal = nullptr;
+
+	SafeNumeric<float> setplay{ -1.0 };
+	Ref<AudioStreamPlayback> setplayback;
+
+	Vector<AudioFrame> volume_vector;
+
+	uint64_t last_mix_count = -1;
+	bool force_update_panning = false;
+
+	AudioServer::PlaybackType playback_type = AudioServer::PlaybackType::PLAYBACK_TYPE_DEFAULT;
+
+	void _set_playing(bool p_enable);
+	bool _is_active() const;
+
+	StringName _get_actual_bus();
+	void _update_panning();
+
+	static void _listener_changed_cb(void *self) { reinterpret_cast<AudioStreamPlayer2D *>(self)->force_update_panning = true; }
+
+	uint32_t area_mask = 1;
+
+	float max_distance = 2000.0;
+	float attenuation = 1.0;
+
+	float panning_strength = 1.0f;
+	float cached_global_panning_strength = 0.5f;
+
+protected:
+	void _validate_property(PropertyInfo &p_property) const;
+	void _notification(int p_what);
+	static void _bind_methods();
+
+	bool _set(const StringName &p_name, const Variant &p_value);
+	bool _get(const StringName &p_name, Variant &r_ret) const;
+	void _get_property_list(List<PropertyInfo> *p_list) const;
+
+#ifndef DISABLE_DEPRECATED
+	bool _is_autoplay_enabled_bind_compat_86907();
+	static void _bind_compatibility_methods();
+#endif // DISABLE_DEPRECATED
+
+public:
+	void set_stream(Ref<AudioStream> p_stream);
+	Ref<AudioStream> get_stream() const;
+
+	void set_volume_db(float p_volume);
+	float get_volume_db() const;
+
+	void set_volume_linear(float p_volume);
+	float get_volume_linear() const;
+
+	void set_pitch_scale(float p_pitch_scale);
+	float get_pitch_scale() const;
+
+	void play(float p_from_pos = 0.0);
+	void seek(float p_seconds);
+	void stop();
+	bool is_playing() const;
+	float get_playback_position();
+
+	void set_bus(const StringName &p_bus);
+	StringName get_bus() const;
+
+	void set_autoplay(bool p_enable);
+	bool is_autoplay_enabled() const;
+
+	void set_max_distance(float p_pixels);
+	float get_max_distance() const;
+
+	void set_attenuation(float p_curve);
+	float get_attenuation() const;
+
+	void set_area_mask(uint32_t p_mask);
+	uint32_t get_area_mask() const;
+
+	void set_stream_paused(bool p_pause);
+	bool get_stream_paused() const;
+
+	void set_max_polyphony(int p_max_polyphony);
+	int get_max_polyphony() const;
+
+	void set_panning_strength(float p_panning_strength);
+	float get_panning_strength() const;
+
+	bool has_stream_playback();
+	Ref<AudioStreamPlayback> get_stream_playback();
+
+	AudioServer::PlaybackType get_playback_type() const;
+	void set_playback_type(AudioServer::PlaybackType p_playback_type);
+
+	AudioStreamPlayer2D();
+	~AudioStreamPlayer2D();
+};