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Merge pull request #14966 from raveenajain/gltf_model_parts

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Case: 21139 gltf model parts
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John Conklin II 2019-03-01 16:26:17 -08:00 committed by GitHub
commit d96038fd70
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1 changed files with 24 additions and 23 deletions
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47
libraries/fbx/src/GLTFSerializer.cpp
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@ -739,8 +739,10 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
//Build dependencies //Build dependencies
QVector<QVector<int>> nodeDependencies(_file.nodes.size()); QVector<QVector<int>> nodeDependencies(_file.nodes.size());
int nodecount = 0; int nodecount = 0;
bool hasChildren = false;
foreach(auto &node, _file.nodes) { foreach(auto &node, _file.nodes) {
//nodes_transforms.push_back(getModelTransform(node)); //nodes_transforms.push_back(getModelTransform(node));
hasChildren |= !node.children.isEmpty();
foreach(int child, node.children) nodeDependencies[child].push_back(nodecount); foreach(int child, node.children) nodeDependencies[child].push_back(nodecount);
nodecount++; nodecount++;
} }
@ -763,17 +765,25 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
nodecount++; nodecount++;
} }
//Build default joints HFMJoint joint;
hfmModel.joints.resize(1); joint.isSkeletonJoint = true;
hfmModel.joints[0].parentIndex = -1; joint.bindTransformFoundInCluster = false;
hfmModel.joints[0].distanceToParent = 0; joint.distanceToParent = 0;
hfmModel.joints[0].translation = glm::vec3(0, 0, 0); joint.parentIndex = -1;
hfmModel.joints[0].rotationMin = glm::vec3(0, 0, 0); hfmModel.joints.resize(_file.nodes.size());
hfmModel.joints[0].rotationMax = glm::vec3(0, 0, 0); hfmModel.jointIndices["x"] = _file.nodes.size();
hfmModel.joints[0].name = "OBJ"; int jointInd = 0;
hfmModel.joints[0].isSkeletonJoint = true; for (auto& node : _file.nodes) {
int size = node.transforms.size();
hfmModel.jointIndices["x"] = 1; if (hasChildren) { size--; }
joint.preTransform = glm::mat4(1);
for (int i = 0; i < size; i++) {
joint.preTransform = node.transforms[i] * joint.preTransform;
}
joint.name = node.name;
hfmModel.joints[jointInd] = joint;
jointInd++;
}
//Build materials //Build materials
QVector<QString> materialIDs; QVector<QString> materialIDs;
@ -804,7 +814,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
hfmModel.meshes.append(HFMMesh()); hfmModel.meshes.append(HFMMesh());
HFMMesh& mesh = hfmModel.meshes[hfmModel.meshes.size() - 1]; HFMMesh& mesh = hfmModel.meshes[hfmModel.meshes.size() - 1];
HFMCluster cluster; HFMCluster cluster;
cluster.jointIndex = 0; cluster.jointIndex = nodecount;
cluster.inverseBindMatrix = glm::mat4(1, 0, 0, 0, cluster.inverseBindMatrix = glm::mat4(1, 0, 0, 0,
0, 1, 0, 0, 0, 1, 0, 0,
0, 0, 1, 0, 0, 0, 1, 0,
@ -907,7 +917,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
int stride = (accessor.type == GLTFAccessorType::VEC4) ? 4 : 3; int stride = (accessor.type == GLTFAccessorType::VEC4) ? 4 : 3;
for (int n = 0; n < tangents.size() - 3; n += stride) { for (int n = 0; n < tangents.size() - 3; n += stride) {
float tanW = stride == 4 ? tangents[n + 3] : 1; float tanW = stride == 4 ? tangents[n + 3] : 1;
mesh.tangents.push_back(glm::vec3(tanW * tangents[n], tangents[n + 1], tangents[n + 2])); mesh.tangents.push_back(glm::vec3(tanW * tangents[n], tangents[n + 1], tanW * tangents[n + 2]));
} }
} else if (key == "TEXCOORD_0") { } else if (key == "TEXCOORD_0") {
QVector<float> texcoords; QVector<float> texcoords;
@ -957,16 +967,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
mesh.meshExtents.addPoint(vertex); mesh.meshExtents.addPoint(vertex);
hfmModel.meshExtents.addPoint(vertex); hfmModel.meshExtents.addPoint(vertex);
} }
// since mesh.modelTransform seems to not have any effect I apply the transformation the model
for (int h = 0; h < mesh.vertices.size(); h++) {
glm::vec4 ver = glm::vec4(mesh.vertices[h], 1);
if (node.transforms.size() > 0) {
ver = node.transforms[0] * ver; // for model dependency should multiply also by parents transforms?
mesh.vertices[h] = glm::vec3(ver[0], ver[1], ver[2]);
}
}
mesh.meshIndex = hfmModel.meshes.size(); mesh.meshIndex = hfmModel.meshes.size();
} }