godot/scene/2d/sample_player_2d.h

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/*  sample_player_2d.h                                                   */
/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef SAMPLE_PLAYER_2D_H
#define SAMPLE_PLAYER_2D_H

#include "scene/2d/sound_player_2d.h"
#include "scene/resources/sample_library.h"

class SamplePlayer2D : public SoundPlayer2D {

	OBJ_TYPE(SamplePlayer2D, SoundPlayer2D);

public:
	enum {

		INVALID_VOICE = SpatialSoundServer::SOURCE_INVALID_VOICE,
		NEXT_VOICE = SpatialSoundServer::SOURCE_NEXT_VOICE
	};

	typedef int VoiceID;

private:
	Ref<SampleLibrary> library;
	int polyphony;
	String played_back;
	float random_pitch_scale;

protected:
	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;

	void _notification(int p_what);

	static void _bind_methods();

public:
	void set_sample_library(const Ref<SampleLibrary> &p_library);
	Ref<SampleLibrary> get_sample_library() const;

	void set_polyphony(int p_voice_count);
	int get_polyphony() const;

	VoiceID play(const String &p_sample, int p_voice = NEXT_VOICE);
	//voices
	void voice_set_pitch_scale(VoiceID p_voice, float p_pitch_scale);
	void voice_set_volume_scale_db(VoiceID p_voice, float p_volume_db);

	bool is_voice_active(VoiceID p_voice) const;
	void stop_voice(VoiceID p_voice);
	void stop_all();

	void set_random_pitch_scale(float p_scale);
	float get_random_pitch_scale() const;

	String get_configuration_warning() const;

	SamplePlayer2D();
	~SamplePlayer2D();
};

#endif // SAMPLE_PLAYER_2D_H