proxy_sound_manager.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2023 DS
 
#pragma once
 
#include "sound_manager.h"
 
namespace sound {
 
/*
 * The public ISoundManager interface
 */
 
class ProxySoundManager final : public ISoundManager
{
        OpenALSoundManager m_sound_manager;
        // sound names from loadSoundData and loadSoundFile
        std::unordered_set<std::string> m_known_sound_names;
 
        void send(SoundManagerMsgToMgr msg)
        {
                m_sound_manager.m_queue_to_mgr.push_back(std::move(msg));
        }
 
        enum class MsgResult { Ok, Empty, Stopped};
        MsgResult handleMsg(SoundManagerMsgToProxy &&msg);
 
public:
        ProxySoundManager(SoundManagerSingleton *smg,
                        std::unique_ptr<SoundFallbackPathProvider> fallback_path_provider) :
                m_sound_manager(smg, std::move(fallback_path_provider))
        {
                m_sound_manager.start();
        }
 
        ~ProxySoundManager() override;
 
        /* Interface */
 
        void step(f32 dtime) override;
        void pauseAll() override;
        void resumeAll() override;
 
        void updateListener(const v3f &pos_, const v3f &vel_, const v3f &at_, const v3f &up_) override;
        void setListenerGain(f32 gain) override;
 
        bool loadSoundFile(const std::string &name, const std::string &filepath) override;
        bool loadSoundData(const std::string &name, std::string &&filedata) override;
        void addSoundToGroup(const std::string &sound_name, const std::string &group_name) override;
 
        void playSound(sound_handle_t id, const SoundSpec &spec) override;
        void playSoundAt(sound_handle_t id, const SoundSpec &spec, const v3f &pos_,
                        const v3f &vel_) override;
        void stopSound(sound_handle_t sound) override;
        void fadeSound(sound_handle_t soundid, f32 step, f32 target_gain) override;
        void updateSoundPosVel(sound_handle_t sound, const v3f &pos_, const v3f &vel_) override;
};
 
} // namespace sound