59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
#ifndef AL_LISTENER_H
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#define AL_LISTENER_H
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#include <array>
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#include <atomic>
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "vecmat.h"
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enum class DistanceModel;
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struct ALlistenerProps {
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std::array<ALfloat,3> Position;
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std::array<ALfloat,3> Velocity;
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std::array<ALfloat,3> OrientAt;
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std::array<ALfloat,3> OrientUp;
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ALfloat Gain;
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std::atomic<ALlistenerProps*> next;
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};
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struct ALlistener {
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std::array<ALfloat,3> Position{{0.0f, 0.0f, 0.0f}};
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std::array<ALfloat,3> Velocity{{0.0f, 0.0f, 0.0f}};
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std::array<ALfloat,3> OrientAt{{0.0f, 0.0f, -1.0f}};
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std::array<ALfloat,3> OrientUp{{0.0f, 1.0f, 0.0f}};
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ALfloat Gain{1.0f};
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std::atomic_flag PropsClean;
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/* Pointer to the most recent property values that are awaiting an update.
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*/
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std::atomic<ALlistenerProps*> Update{nullptr};
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struct {
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alu::Matrix Matrix;
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alu::Vector Velocity;
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ALfloat Gain;
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ALfloat MetersPerUnit;
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ALfloat DopplerFactor;
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ALfloat SpeedOfSound; /* in units per sec! */
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ALfloat ReverbSpeedOfSound; /* in meters per sec! */
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ALboolean SourceDistanceModel;
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DistanceModel mDistanceModel;
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} Params;
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ALlistener() { PropsClean.test_and_set(std::memory_order_relaxed); }
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};
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void UpdateListenerProps(ALCcontext *context);
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#endif
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