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Fix failed assimp validation for glTF2 sample animations

pull/2261/head
tirichards 2018-12-05 14:46:56 -08:00
parent d7eae5bb13
commit bb9e3c3593
1 changed files with 19 additions and 5 deletions
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24
code/glTF2Importer.cpp
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@ -826,15 +826,29 @@ aiNode* ImportNode(aiScene* pScene, glTF2::Asset& r, std::vector<unsigned int>&
aiBone* bone = new aiBone(); aiBone* bone = new aiBone();
Ref<Node> joint = node.skin->jointNames[i]; Ref<Node> joint = node.skin->jointNames[i];
bone->mName = joint->name; if (!joint->name.empty()) {
bone->mName = joint->name;
} else {
// Assimp expects each bone to have a unique name.
static const std::string kDefaultName = "bone_";
char postfix[10] = {0};
ASSIMP_itoa10(postfix, i);
bone->mName = (kDefaultName + postfix);
}
GetNodeTransform(bone->mOffsetMatrix, *joint); GetNodeTransform(bone->mOffsetMatrix, *joint);
std::vector<aiVertexWeight>& weights = weighting[i]; std::vector<aiVertexWeight>& weights = weighting[i];
bone->mNumWeights = weights.size(); bone->mNumWeights = weights.size();
if (bone->mNumWeights > 0) { if (bone->mNumWeights > 0) {
bone->mWeights = new aiVertexWeight[bone->mNumWeights]; bone->mWeights = new aiVertexWeight[bone->mNumWeights];
memcpy(bone->mWeights, weights.data(), bone->mNumWeights * sizeof(aiVertexWeight)); memcpy(bone->mWeights, weights.data(), bone->mNumWeights * sizeof(aiVertexWeight));
} else {
// Assimp expects all bones to have at least 1 weight.
bone->mWeights = new aiVertexWeight[1];
bone->mNumWeights = 1;
bone->mWeights->mVertexId = 0;
bone->mWeights->mWeight = 0.f;
} }
mesh->mBones[i] = bone; mesh->mBones[i] = bone;
} }
@ -1022,7 +1036,7 @@ void glTF2Importer::ImportAnimations(glTF2::Asset& r)
++j; ++j;
} }
} }
// Use the latest keyframe for the duration of the animation // Use the latest keyframe for the duration of the animation
double maxDuration = 0; double maxDuration = 0;
for (unsigned int j = 0; j < ai_anim->mNumChannels; ++j) { for (unsigned int j = 0; j < ai_anim->mNumChannels; ++j) {
@ -1047,7 +1061,7 @@ void glTF2Importer::ImportAnimations(glTF2::Asset& r)
} }
} }
ai_anim->mDuration = maxDuration; ai_anim->mDuration = maxDuration;
mScene->mAnimations[i] = ai_anim; mScene->mAnimations[i] = ai_anim;
} }
} }