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102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
#ifndef GAME_SOUND_SOUND_H
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#define GAME_SOUND_SOUND_H
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#include <algorithm>
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#include "sound_output.hpp"
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namespace MWSound
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{
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// Extra play flags, not intended for caller use
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enum PlayModeEx
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{
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Play_2D = 0,
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Play_3D = 1 << 31,
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};
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// For testing individual PlayMode flags
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inline int operator&(int a, PlayMode b) { return a & static_cast<int>(b); }
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inline int operator&(PlayMode a, PlayMode b) { return static_cast<int>(a) & static_cast<int>(b); }
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struct SoundParams
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{
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osg::Vec3f mPos;
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float mVolume = 1;
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float mBaseVolume = 1;
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float mPitch = 1;
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float mMinDistance = 1;
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float mMaxDistance = 1000;
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int mFlags = 0;
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float mFadeOutTime = 0;
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};
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class SoundBase {
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SoundBase& operator=(const SoundBase&) = delete;
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SoundBase(const SoundBase&) = delete;
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SoundBase(SoundBase&&) = delete;
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SoundParams mParams;
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protected:
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Sound_Instance mHandle = nullptr;
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friend class OpenAL_Output;
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public:
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void setPosition(const osg::Vec3f &pos) { mParams.mPos = pos; }
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void setVolume(float volume) { mParams.mVolume = volume; }
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void setBaseVolume(float volume) { mParams.mBaseVolume = volume; }
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void setFadeout(float duration) { mParams.mFadeOutTime = duration; }
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void updateFade(float duration)
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{
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if (mParams.mFadeOutTime > 0.0f)
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{
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float soundDuration = std::min(duration, mParams.mFadeOutTime);
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mParams.mVolume *= (mParams.mFadeOutTime - soundDuration) / mParams.mFadeOutTime;
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mParams.mFadeOutTime -= soundDuration;
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}
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}
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const osg::Vec3f &getPosition() const { return mParams.mPos; }
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float getRealVolume() const { return mParams.mVolume * mParams.mBaseVolume; }
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float getPitch() const { return mParams.mPitch; }
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float getMinDistance() const { return mParams.mMinDistance; }
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float getMaxDistance() const { return mParams.mMaxDistance; }
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MWSound::Type getPlayType() const
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{ return static_cast<MWSound::Type>(mParams.mFlags & MWSound::Type::Mask); }
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bool getUseEnv() const { return !(mParams.mFlags & MWSound::PlayMode::NoEnv); }
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bool getIsLooping() const { return mParams.mFlags & MWSound::PlayMode::Loop; }
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bool getDistanceCull() const { return mParams.mFlags & MWSound::PlayMode::RemoveAtDistance; }
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bool getIs3D() const { return mParams.mFlags & Play_3D; }
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void init(const SoundParams& params)
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{
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mParams = params;
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mHandle = nullptr;
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}
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SoundBase() = default;
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};
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class Sound : public SoundBase {
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Sound& operator=(const Sound&) = delete;
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Sound(const Sound&) = delete;
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Sound(Sound&&) = delete;
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public:
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Sound() { }
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};
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class Stream : public SoundBase {
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Stream& operator=(const Stream&) = delete;
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Stream(const Stream&) = delete;
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Stream(Stream&&) = delete;
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public:
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Stream() { }
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};
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}
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#endif
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