/* * 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 #include #include #include #include #include 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 m_oper; bool m_ready; bool m_loop; bool m_mute; glm::vec3 m_position; };