154 lines
2.8 KiB
C++
154 lines
2.8 KiB
C++
#include "audio.h"
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#include <SDL3/SDL_properties.h>
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#include <iostream>
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namespace game::resource
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{
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MIX_Mixer* Audio::mixer_get()
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{
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static auto mixer = MIX_CreateMixerDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, nullptr);
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return mixer;
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}
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void Audio::set_gain(float gain)
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{
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auto mixer = mixer_get();
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MIX_SetMasterGain(mixer, gain);
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}
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void Audio::retain()
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{
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if (refCount) ++(*refCount);
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}
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void Audio::release()
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{
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if (refCount)
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{
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if (--(*refCount) == 0)
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{
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if (internal) MIX_DestroyAudio(internal);
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delete refCount;
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}
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refCount = nullptr;
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}
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internal = nullptr;
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}
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Audio::Audio(const std::filesystem::path& path)
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{
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internal = MIX_LoadAudio(mixer_get(), path.c_str(), true);
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if (internal)
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{
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refCount = new int(1);
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std::cout << "Initialized audio: '" << path.string() << "'\n";
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}
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else
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{
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std::cout << "Failed to initialize audio: '" << path.string() << "'\n";
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}
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}
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Audio::Audio(const Audio& other)
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{
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internal = other.internal;
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refCount = other.refCount;
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retain();
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track = nullptr;
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}
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Audio::Audio(Audio&& other) noexcept
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{
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internal = other.internal;
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track = other.track;
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refCount = other.refCount;
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other.internal = nullptr;
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other.track = nullptr;
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other.refCount = nullptr;
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}
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Audio& Audio::operator=(const Audio& other)
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{
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if (this != &other)
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{
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unload();
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internal = other.internal;
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refCount = other.refCount;
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retain();
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}
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return *this;
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}
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Audio& Audio::operator=(Audio&& other) noexcept
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{
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if (this != &other)
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{
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unload();
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internal = other.internal;
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track = other.track;
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refCount = other.refCount;
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other.internal = nullptr;
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other.track = nullptr;
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other.refCount = nullptr;
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}
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return *this;
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}
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void Audio::unload()
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{
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if (track)
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{
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MIX_DestroyTrack(track);
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track = nullptr;
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}
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release();
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}
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void Audio::play(bool isLoop)
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{
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if (!internal) return;
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auto mixer = mixer_get();
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if (track && MIX_GetTrackMixer(track) != mixer)
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{
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MIX_DestroyTrack(track);
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track = nullptr;
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}
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if (!track)
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{
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track = MIX_CreateTrack(mixer);
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if (!track) return;
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}
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MIX_SetTrackAudio(track, internal);
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SDL_PropertiesID options = 0;
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if (isLoop)
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{
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options = SDL_CreateProperties();
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if (options) SDL_SetNumberProperty(options, MIX_PROP_PLAY_LOOPS_NUMBER, -1);
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}
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MIX_PlayTrack(track, options);
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if (options) SDL_DestroyProperties(options);
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}
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void Audio::stop()
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{
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if (track) MIX_StopTrack(track, 0);
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}
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bool Audio::is_playing() const { return track && MIX_TrackPlaying(track); }
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Audio::~Audio() { unload(); }
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bool Audio::is_valid() const { return internal != nullptr; }
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}
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