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Merge branch 'master' into master

pull/3042/head
Adrian Iusca 2020-03-16 17:44:00 +02:00 committed by GitHub
parent df8511e1b0 3e78e8b5d3
commit 3bf62cf6e4
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18
code/glTF2/glTF2AssetWriter.inl
View File

@ -446,6 +446,24 @@ namespace glTF2 {
WriteAttrs(w, attrs, p.attributes.weight, "WEIGHTS", true);
}
prim.AddMember("attributes", attrs, w.mAl);
// targets for blendshapes
if (p.targets.size() > 0) {
Value tjs;
tjs.SetArray();
tjs.Reserve(unsigned(p.targets.size()), w.mAl);
for (unsigned int t = 0; t < p.targets.size(); ++t) {
Value tj;
tj.SetObject();
{
WriteAttrs(w, tj, p.targets[t].position, "POSITION");
WriteAttrs(w, tj, p.targets[t].normal, "NORMAL");
WriteAttrs(w, tj, p.targets[t].tangent, "TANGENT");
}
tjs.PushBack(tj, w.mAl);
}
prim.AddMember("targets", tjs, w.mAl);
}
}
primitives.PushBack(prim, w.mAl);
}

41
code/glTF2/glTF2Exporter.cpp
View File

@ -814,6 +814,47 @@ void glTF2Exporter::ExportMeshes()
if(aim->HasBones()) {
ExportSkin(*mAsset, aim, m, b, skinRef, inverseBindMatricesData);
}
/*************** Targets for blendshapes ****************/
if (aim->mNumAnimMeshes > 0) {
p.targets.resize(aim->mNumAnimMeshes);
for (unsigned int am = 0; am < aim->mNumAnimMeshes; ++am) {
aiAnimMesh *pAnimMesh = aim->mAnimMeshes[am];
// position
if (pAnimMesh->HasPositions()) {
// NOTE: in gltf it is the diff stored
aiVector3D *pPositionDiff = new aiVector3D[pAnimMesh->mNumVertices];
for (unsigned int vt = 0; vt < pAnimMesh->mNumVertices; ++vt) {
pPositionDiff[vt] = pAnimMesh->mVertices[vt] - aim->mVertices[vt];
}
Ref<Accessor> v = ExportData(*mAsset, meshId, b,
pAnimMesh->mNumVertices, pPositionDiff,
AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT);
if (v) {
p.targets[am].position.push_back(v);
}
delete[] pPositionDiff;
}
// normal
if (pAnimMesh->HasNormals()) {
aiVector3D *pNormalDiff = new aiVector3D[pAnimMesh->mNumVertices];
for (unsigned int vt = 0; vt < pAnimMesh->mNumVertices; ++vt) {
pNormalDiff[vt] = pAnimMesh->mNormals[vt] - aim->mNormals[vt];
}
Ref<Accessor> v = ExportData(*mAsset, meshId, b,
pAnimMesh->mNumVertices, pNormalDiff,
AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT);
if (v) {
p.targets[am].normal.push_back(v);
}
delete[] pNormalDiff;
}
// tangent?
}
}
}
//----------------------------------------