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