37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
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//
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// audio/entitytracker.cpp
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//
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// Copyright (C) 1999-2006 Rockstar Games. All Rights Reserved.
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//
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#include "entitytracker.h"
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// Rage headers
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#include "vector/matrix34.h"
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// Game headers
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#include "scene/Entity.h"
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#include "debugaudio.h"
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AUDIO_OPTIMISATIONS()
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const Vector3 audPlaceableTracker::GetPosition() const
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{
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naAssertf(m_ParentPlaceable, "audPlaceableTracker doesn't have a valid parent");
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return VEC3V_TO_VECTOR3(m_ParentPlaceable->GetTransform().GetPosition());
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}
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audCompressedQuat audPlaceableTracker::GetOrientation() const
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{
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// Converting from the parent's matrix to quaternion is a slow operation, so we don't want
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// to re-calculate it every time someone queries the orientation. Therefore we store it as a member variable
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// and simply return that.
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return m_Orientation;
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}
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void audPlaceableTracker::CalculateOrientation()
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{
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// Recalculate the orientation quaternion. Ideally this function should be called once per
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// frame by the owner of the tracker.
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m_Orientation.Set(QuatVFromMat34V(m_ParentPlaceable->GetMatrix()));
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}
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