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72 lines
2.7 KiB
72 lines
2.7 KiB
/****************************************************************************
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Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "3d/assets/Skeleton.h"
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#include <iomanip>
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#include <sstream>
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#include "base/std/hash/hash.h"
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namespace cc {
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const ccstd::vector<Mat4> &Skeleton::getInverseBindposes() {
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if (!_invBindposes.has_value()) {
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_invBindposes = ccstd::vector<Mat4>{};
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for (const auto &bindpose : _bindposes) {
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_invBindposes.value().emplace_back(bindpose.getInversed());
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}
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}
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return *_invBindposes;
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}
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ccstd::hash_t Skeleton::getHash() {
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// hashes should already be computed offline, but if not, make one
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if (!_hash) {
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std::stringstream sstr;
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for (const auto &ibm : _bindposes) {
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sstr << std::fixed << std::setprecision(2)
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<< ibm.m[0] << " " << ibm.m[1] << " " << ibm.m[2] << " " << ibm.m[3] << " "
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<< ibm.m[4] << " " << ibm.m[5] << " " << ibm.m[6] << " " << ibm.m[7] << " "
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<< ibm.m[8] << " " << ibm.m[9] << " " << ibm.m[10] << " " << ibm.m[11] << " "
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<< ibm.m[12] << " " << ibm.m[13] << " " << ibm.m[14] << " " << ibm.m[15] << "\n";
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}
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ccstd::string str{sstr.str()};
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ccstd::hash_t seed = 666;
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ccstd::hash_range(seed, str.begin(), str.end());
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_hash = seed;
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}
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return _hash;
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}
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bool Skeleton::destroy() {
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//cjh TODO: (legacyCC.director.root?.dataPoolManager as DataPoolManager)?.releaseSkeleton(this);
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return Super::destroy();
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}
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bool Skeleton::validate() const {
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return !_joints.empty() && !_bindposes.empty();
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}
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} // namespace cc
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