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Update FBXBaker to only pack original indices if needed

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This commit is contained in:
Ryan Huffman 2017-09-14 16:49:53 -07:00
parent 7db8d1dcbc
commit fd1d4b9bd1
1 changed files with 25 additions and 5 deletions
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30
libraries/baking/src/FBXBaker.cpp
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@ -292,6 +292,20 @@ QUrl FBXBaker::getTextureURL(const QFileInfo& textureFileInfo, QString relativeF
void FBXBaker::rewriteAndBakeSceneModels() {
unsigned int meshIndex = 0;
bool hasDeformers { false };
for (FBXNode& rootChild : _rootNode.children) {
if (rootChild.name == "Objects") {
for (FBXNode& objectChild : rootChild.children) {
if (objectChild.name == "Deformer") {
hasDeformers = true;
break;
}
}
}
if (hasDeformers) {
break;
}
}
for (FBXNode& rootChild : _rootNode.children) {
if (rootChild.name == "Objects") {
for (FBXNode& objectChild : rootChild.children) {
@ -329,18 +343,22 @@ void FBXBaker::rewriteAndBakeSceneModels() {
bool hasTexCoords { mesh.texCoords.size() > 0 };
bool hasTexCoords1 { mesh.texCoords1.size() > 0 };
bool hasPerFaceMaterials { mesh.parts.size() > 1 };
bool needsOriginalIndices { hasDeformers };
int normalsAttributeID { -1 };
int colorsAttributeID { -1 };
int texCoordsAttributeID { -1 };
int texCoords1AttributeID { -1 };
int faceMaterialAttributeID { -1 };
int originalIndexAttributeID { -1 };
const int positionAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::POSITION,
3, draco::DT_FLOAT32);
const int originalIndexAttributeID = meshBuilder.AddAttribute(
(draco::GeometryAttribute::Type)DRACO_ATTRIBUTE_ORIGINAL_INDEX,
1, draco::DT_INT32);
if (needsOriginalIndices) {
originalIndexAttributeID = meshBuilder.AddAttribute(
(draco::GeometryAttribute::Type)DRACO_ATTRIBUTE_ORIGINAL_INDEX,
1, draco::DT_INT32);
}
if (hasNormals) {
normalsAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::NORMAL,
@ -385,7 +403,7 @@ void FBXBaker::rewriteAndBakeSceneModels() {
&mesh.vertices[idx0], &mesh.vertices[idx1],
&mesh.vertices[idx2]);
if (originalIndexAttributeID) {
if (needsOriginalIndices) {
meshBuilder.SetAttributeValuesForFace(originalIndexAttributeID, face,
&mesh.originalIndex[idx0],
&mesh.originalIndex[idx1],
@ -441,7 +459,9 @@ void FBXBaker::rewriteAndBakeSceneModels() {
dracoMesh->attribute(texCoords1AttributeID)->set_unique_id(DRACO_ATTRIBUTE_TEX_COORD_1);
}
dracoMesh->attribute(originalIndexAttributeID)->set_unique_id(DRACO_ATTRIBUTE_ORIGINAL_INDEX);
if (needsOriginalIndices) {
dracoMesh->attribute(originalIndexAttributeID)->set_unique_id(DRACO_ATTRIBUTE_ORIGINAL_INDEX);
}
draco::Encoder encoder;