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94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <AzCore/Math/Vector2.h>
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#include <AzCore/Math/Vector3.h>
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#include <AzCore/Math/Vector4.h>
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#include <AzCore/Math/Matrix3x4.h>
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namespace AZStd
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{
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template<>
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struct hash<AZ::Vector2>
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{
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using result_type = AZStd::size_t;
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result_type operator()(const AZ::Vector2& value) const
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{
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result_type hash = 0;
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hash_combine(hash, value.GetX());
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hash_combine(hash, value.GetY());
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return hash;
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}
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};
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template<>
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struct hash<AZ::Vector3>
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{
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using result_type = AZStd::size_t;
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result_type operator()(const AZ::Vector3& value) const
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{
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result_type hash = 0;
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hash_combine(hash, value.GetX());
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hash_combine(hash, value.GetY());
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hash_combine(hash, value.GetZ());
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return hash;
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}
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};
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template<>
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struct hash<AZ::Vector4>
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{
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using result_type = AZStd::size_t;
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result_type operator()(const AZ::Vector4& value) const
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{
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result_type hash = 0;
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hash_combine(hash, value.GetX());
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hash_combine(hash, value.GetY());
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hash_combine(hash, value.GetZ());
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hash_combine(hash, value.GetW());
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return hash;
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}
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};
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template<>
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struct hash<AZ::Matrix3x4>
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{
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using result_type = AZStd::size_t;
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result_type operator()(const AZ::Matrix3x4& value) const
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{
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result_type hash = 0;
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AZ::Vector3 basisX;
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AZ::Vector3 basisY;
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AZ::Vector3 basisZ;
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AZ::Vector3 translation;
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value.GetBasisAndTranslation(&basisX, &basisY, &basisZ, &translation);
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hash_combine(hash, basisX);
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hash_combine(hash, basisY);
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hash_combine(hash, basisZ);
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hash_combine(hash, translation);
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return hash;
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}
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};
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}
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