colobot/colobot-base/sound/oalsound/channel.h

126 lines
2.7 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
/**
* \file channel.h
* \brief OpenAL channel
*/
#pragma once
#include "sound/sound.h"
#include "sound/oalsound/check.h"
#include <glm/glm.hpp>
#include <string>
#include <deque>
#include <cassert>
#include <al.h>
#include <alc.h>
class CBuffer;
struct SoundOper
{
float finalAmplitude = 0.0f;
float finalFrequency = 0.0f;
float totalTime = 0.0f;
float currentTime = 0.0f;
SoundNext nextOper = SOPER_CONTINUE;
};
class CChannel
{
public:
CChannel();
~CChannel();
bool Play();
bool Pause();
bool Stop();
bool SetPosition(const glm::vec3 &pos, bool relativeToListener = false);
bool SetFrequency(float freq);
float GetFrequency();
float GetCurrentTime();
void SetCurrentTime(float current);
float GetDuration();
bool SetVolume(float vol);
float GetVolume();
void SetVolumeAtrib(float volume);
float GetVolumeAtrib();
bool IsPlaying();
bool IsReady();
bool IsLoaded();
bool SetBuffer(CBuffer *buffer);
bool HasEnvelope();
SoundOper& GetEnvelope();
void PopEnvelope();
int GetPriority();
void SetPriority(int pri);
void SetStartAmplitude(float gain);
void SetStartFrequency(float freq);
void SetChangeFrequency(float freq);
float GetStartAmplitude();
float GetStartFrequency();
float GetChangeFrequency();
float GetInitFrequency();
void AddOper(SoundOper oper);
void ResetOper();
SoundType GetSoundType();
void SetLoop(bool loop);
void Mute(bool mute);
bool IsMuted();
void Reset();
int GetId();
private:
CBuffer *m_buffer;
ALuint m_source;
int m_priority;
int m_id;
float m_startAmplitude;
float m_startFrequency;
float m_changeFrequency;
float m_initFrequency;
float m_volume;
std::deque<SoundOper> m_oper;
bool m_ready;
bool m_loop;
bool m_mute;
glm::vec3 m_position;
};