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fix: iw4 vertex weights for more than one bone

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Jan 2024-05-12 21:12:34 +02:00
parent a33bc5414c
commit fa08017250
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GPG Key ID: 44B581F78FF5C57C
1 changed files with 11 additions and 6 deletions
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17
src/ObjWriting/Game/IW4/AssetDumpers/AssetDumperXModel.cpp
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@ -258,6 +258,11 @@ namespace
weightCollection.weights.resize(totalWeightCount);
}
float BoneWeight16(const uint16_t value)
{
return static_cast<float>(value) / static_cast<float>(std::numeric_limits<uint16_t>::max());
}
void AddXModelVertexBoneWeights(XModelCommon& out, const XModelSurfs* modelSurfs)
{
auto& weightCollection = out.m_bone_weight_data;
@ -306,7 +311,7 @@ namespace
const auto* boneWeightOffset = &weightCollection.weights[weightOffset];
const auto boneIndex0 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 0] / sizeof(DObjSkelMat));
const auto boneIndex1 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 1] / sizeof(DObjSkelMat));
const auto boneWeight1 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneWeight1 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneWeight0 = 1.0f - boneWeight1;
weightCollection.weights[weightOffset++] = XModelBoneWeight{boneIndex0, boneWeight0};
@ -323,9 +328,9 @@ namespace
const auto* boneWeightOffset = &weightCollection.weights[weightOffset];
const auto boneIndex0 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 0] / sizeof(DObjSkelMat));
const auto boneIndex1 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 1] / sizeof(DObjSkelMat));
const auto boneWeight1 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneWeight1 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneIndex2 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 3] / sizeof(DObjSkelMat));
const auto boneWeight2 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 4]);
const auto boneWeight2 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 4]);
const auto boneWeight0 = 1.0f - boneWeight1 - boneWeight2;
weightCollection.weights[weightOffset++] = XModelBoneWeight{boneIndex0, boneWeight0};
@ -343,11 +348,11 @@ namespace
const auto* boneWeightOffset = &weightCollection.weights[weightOffset];
const auto boneIndex0 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 0] / sizeof(DObjSkelMat));
const auto boneIndex1 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 1] / sizeof(DObjSkelMat));
const auto boneWeight1 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneWeight1 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 2]);
const auto boneIndex2 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 3] / sizeof(DObjSkelMat));
const auto boneWeight2 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 4]);
const auto boneWeight2 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 4]);
const auto boneIndex3 = static_cast<int>(surface.vertInfo.vertsBlend[vertsBlendOffset + 5] / sizeof(DObjSkelMat));
const auto boneWeight3 = HalfFloat::ToFloat(surface.vertInfo.vertsBlend[vertsBlendOffset + 6]);
const auto boneWeight3 = BoneWeight16(surface.vertInfo.vertsBlend[vertsBlendOffset + 6]);
const auto boneWeight0 = 1.0f - boneWeight1 - boneWeight2 - boneWeight3;
weightCollection.weights[weightOffset++] = XModelBoneWeight{boneIndex0, boneWeight0};