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/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "animation/pose.hpp"
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#include "math/transform-operators.hpp"
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void concatenate(const pose& bone_space, pose& skeleton_space)
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{
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for (auto&& [bone, transform]: bone_space)
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{
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auto parent_index = bone_parent_index(bone);
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if (parent_index != bone_index(bone))
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{
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auto parent = skeleton_space.find(parent_index);
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skeleton_space[bone] = (parent != skeleton_space.end()) ? parent->second * transform : transform;
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}
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else
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{
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skeleton_space[bone] = transform;
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}
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}
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}
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