💿🐜 Antkeeper source code
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63 lines
2.0 KiB
63 lines
2.0 KiB
/*
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* Copyright (C) 2023 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 <engine/animation/rest-pose.hpp>
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#include <engine/animation/skeleton.hpp>
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#include <algorithm>
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#include <execution>
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rest_pose::rest_pose(const skeleton& skeleton):
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pose(skeleton),
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m_inverse_absolute_transforms(skeleton.get_bone_count(), bone_transform_type::identity())
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{}
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void rest_pose::update(bone_index_type first_index, std::size_t bone_count)
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{
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// Update absolute transforms
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pose::update(first_index, bone_count);
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// Update inverse absolute transforms
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std::for_each
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(
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// std::execution::par_unseq,
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std::execution::seq,
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m_inverse_absolute_transforms.begin() + first_index,
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m_inverse_absolute_transforms.begin() + (first_index + bone_count),
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[&](auto& inverse_absolute_transform)
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{
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bone_index_type bone_index = static_cast<bone_index_type>(&inverse_absolute_transform - m_inverse_absolute_transforms.data());
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inverse_absolute_transform = math::inverse(m_absolute_transforms[bone_index]);
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}
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);
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}
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void rest_pose::resize()
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{
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if (m_skeleton)
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{
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const std::size_t bone_count = m_skeleton->get_bone_count();
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if (bone_count != m_inverse_absolute_transforms.size())
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{
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m_relative_transforms.resize(bone_count);
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m_absolute_transforms.resize(bone_count);
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m_inverse_absolute_transforms.resize(bone_count);
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}
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}
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}
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