mirror of https://github.com/AxioDL/metaforce.git
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
#include "Runtime/Character/CSkinRules.hpp"
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#include "Runtime/CToken.hpp"
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#include "Runtime/Character/CPoseAsTransforms.hpp"
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#include "Runtime/Graphics/CModel.hpp"
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namespace urde {
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CSkinRules::CSkinRules(CInputStream& in) {
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u32 bankCount = in.readUint32Big();
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x0_skinBanks.reserve(bankCount);
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for (u32 i = 0; i < bankCount; ++i)
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x0_skinBanks.emplace_back(in);
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u32 virtualBoneCount = in.readUint32Big();
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m_virtualBones.reserve(virtualBoneCount);
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for (u32 i = 0; i < virtualBoneCount; ++i)
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m_virtualBones.emplace_back(in);
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u32 poolSz = in.readUint32Big();
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m_poolToSkinIdx.reserve(poolSz);
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for (u32 i = 0; i < poolSz; ++i)
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m_poolToSkinIdx.push_back(in.readUint32Big());
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}
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void CSkinRules::TransformVerticesCPU(std::vector<std::pair<zeus::CVector3f, zeus::CVector3f>>& vnOut,
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const CPoseAsTransforms& pose, const CModel& model) const {
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vnOut.resize(m_poolToSkinIdx.size());
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for (size_t i = 0; i < m_poolToSkinIdx.size(); ++i) {
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const CVirtualBone& vb = m_virtualBones[m_poolToSkinIdx[i]];
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zeus::CVector3f origVertex = model.GetPoolVertex(i);
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zeus::CVector3f vertex;
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zeus::CVector3f origNormal = model.GetPoolNormal(i);
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zeus::CVector3f normal;
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for (const SSkinWeighting& w : vb.GetWeights()) {
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const zeus::CTransform& xf = pose.GetRestToAccumTransform(w.m_id);
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vertex += (xf * origVertex) * w.m_weight;
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normal += (xf.basis.inverted().transposed() * origNormal) * w.m_weight;
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}
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vnOut[i] = std::make_pair(vertex, normal.normalized());
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}
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}
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CFactoryFnReturn FSkinRulesFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& params,
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CObjectReference* selfRef) {
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return TToken<CSkinRules>::GetIObjObjectFor(std::make_unique<CSkinRules>(in));
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}
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} // namespace urde
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