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// * This file is part of the COLOBOT source code
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * 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://www.gnu.org/licenses/.
// channel.h
#pragma once
#include <string>
#include <deque>
#include <cassert>
#include <AL/al.h>
#include <AL/alc.h>
#include "sound/sound.h"
#include "buffer.h"
#include "check.h"
struct SoundOper
{
float finalAmplitude;
float finalFrequency;
float totalTime;
float currentTime;
SoundNext nextOper;
};
class Channel
{
public:
Channel();
~Channel();
bool Play();
bool Stop();
bool SetPosition(Math::Vector);
bool SetFrequency(float);
float GetFrequency();
float GetCurrentTime();
void SetCurrentTime(float);
float GetDuration();
bool SetVolume(float);
float GetVolume();
bool IsPlaying();
bool IsReady();
bool IsLoaded();
bool SetBuffer(Buffer *);
bool FreeBuffer();
bool HasEnvelope();
SoundOper& GetEnvelope();
void PopEnvelope();
int GetPriority();
void SetPriority(int);
void SetStartAmplitude(float);
void SetStartFrequency(float);
void SetChangeFrequency(float);
float GetStartAmplitude();
float GetStartFrequency();
float GetChangeFrequency();
float GetInitFrequency();
void AddOper(SoundOper);
void ResetOper();
Sound GetSoundType();
void SetLoop(bool);
private:
Buffer *mBuffer;
ALuint mSource;
int mPriority;
float mStartAmplitude;
float mStartFrequency;
float mChangeFrequency;
float mInitFrequency;
std::deque<SoundOper> mOper;
bool mReady;
bool mLoop;
};
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