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check if bones exist before creating skin

pull/1034/head
Angelo Scandaliato 2016-10-15 17:21:55 -07:00
parent 9c4bb1c9bc
commit fcf2d6357e
1 changed files with 39 additions and 27 deletions
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34
code/glTFExporter.cpp
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@ -517,17 +517,23 @@ void glTFExporter::ExportMeshes()
}
//----------------------------------------
// For the skin
std::string skinName = mAsset->FindUniqueID("skin", "skin");
Ref<Skin> skinRef = mAsset->skins.Create(skinName);
skinRef->name = skinName;
// std::vector<glTF::mat4> inverseBindMatricesData;
std::vector<aiMatrix4x4> inverseBindMatricesData;
// Initialize variables for the skin
bool createSkin = false;
for (unsigned int idx_mesh = 0; idx_mesh < mScene->mNumMeshes; ++idx_mesh) {
const aiMesh* aim = mScene->mMeshes[idx_mesh];
if(aim->HasBones()) {
createSkin = true;
break;
}
}
// Identity Matrix =====> skinRef->bindShapeMatrix
// Temporary. Hard-coded identity matrix here
skinRef->bindShapeMatrix.isPresent = true;
IdentityMatrix4(skinRef->bindShapeMatrix.value);
Ref<Skin> skinRef;
std::string skinName = mAsset->FindUniqueID("skin", "skin");
std::vector<aiMatrix4x4> inverseBindMatricesData;
if(createSkin) {
skinRef = mAsset->skins.Create(skinName);
skinRef->name = skinName;
}
//----------------------------------------
for (unsigned int idx_mesh = 0; idx_mesh < mScene->mNumMeshes; ++idx_mesh) {
@ -725,6 +731,7 @@ void glTFExporter::ExportMeshes()
//----------------------------------------
// Finish the skin
// Create the Accessor for skinRef->inverseBindMatrices
if (createSkin) {
mat4* invBindMatrixData = new mat4[inverseBindMatricesData.size()];
for (int idx_joint = 0; idx_joint < inverseBindMatricesData.size(); ++idx_joint) {
CopyValue(inverseBindMatricesData[idx_joint], invBindMatrixData[idx_joint]);
@ -733,6 +740,11 @@ void glTFExporter::ExportMeshes()
Ref<Accessor> invBindMatrixAccessor = ExportData(*mAsset, skinName, b, inverseBindMatricesData.size(), invBindMatrixData, AttribType::MAT4, AttribType::MAT4, ComponentType_FLOAT);
if (invBindMatrixAccessor) skinRef->inverseBindMatrices = invBindMatrixAccessor;
// Identity Matrix =====> skinRef->bindShapeMatrix
// Temporary. Hard-coded identity matrix here
skinRef->bindShapeMatrix.isPresent = true;
IdentityMatrix4(skinRef->bindShapeMatrix.value);
// Find node that contains this mesh and add "skeletons" and "skin" attributes to that node.
Ref<Node> rootNode = mAsset->nodes.Get(unsigned(0));
Ref<Node> meshNode;
@ -742,7 +754,7 @@ void glTFExporter::ExportMeshes()
Ref<Node> rootJoint = FindSkeletonRootJoint(skinRef);
meshNode->skeletons.push_back(rootJoint);
meshNode->skin = skinRef;
//----------------------------------------
}
}
/*