/**
* This method reads mesh indexes
*
* @param objectStructure structure of the object that has the armature modifier applied
* @param meshStructure the structure of the object's mesh
* @param blenderContext the blender context
* @throws BlenderFileException this exception is thrown when the blend file structure is somehow
* invalid or corrupted
*/
private void readVerticesWeightsData(
Structure objectStructure, Structure meshStructure, BlenderContext blenderContext)
throws BlenderFileException {
ArmatureHelper armatureHelper = blenderContext.getHelper(ArmatureHelper.class);
Structure defBase = (Structure) objectStructure.getFieldValue("defbase");
Map<Integer, Integer> groupToBoneIndexMap =
armatureHelper.getGroupToBoneIndexMap(defBase, blenderContext);
int[] bonesGroups = new int[] {0};
MeshContext meshContext = blenderContext.getMeshContext(meshStructure.getOldMemoryAddress());
VertexBuffer[] boneWeightsAndIndex =
this.getBoneWeightAndIndexBuffer(
meshStructure,
meshContext.getVertexList().size(),
bonesGroups,
meshContext.getVertexReferenceMap(),
groupToBoneIndexMap,
blenderContext);
this.verticesWeights = boneWeightsAndIndex[0];
this.verticesWeightsIndices = boneWeightsAndIndex[1];
this.boneGroups = bonesGroups[0];
}
