public ColladaAnimationData(ColladaRigData rig)
{
foreach (KeyValuePair <string, ColladaJointData> jointData in rig.JointData)
{
this.joints.Add(jointData.Key);
this.jointTranslateX.Add(jointData.Key, string.Empty);
this.jointTranslateY.Add(jointData.Key, string.Empty);
this.jointTranslateZ.Add(jointData.Key, string.Empty);
this.jointRotateX.Add(jointData.Key, string.Empty);
this.jointRotateY.Add(jointData.Key, string.Empty);
this.jointRotateZ.Add(jointData.Key, string.Empty);
this.jointValues.Add(jointData.Key, string.Empty);
}
}
private static void addJointsToRig(ColladaRigData rig, XmlNode xmlNode, ColladaJointData parentJoint)
{
// Find the next child joint node.
foreach (XmlNode node in xmlNode.ChildNodes)
{
bool isJoint = false;
string id = string.Empty;
// Look at the attributes to check if this node is a joint
foreach (XmlAttribute attribute in node.Attributes)
{
if (attribute.Name == id_label)
{
id = attribute.Value;
}
if (attribute.Name == type && attribute.Value == JOINT)
{
isJoint = true;
}
}
if (isJoint) // found a child joint. Create the data, get the parent, add it to the rig
{
ColladaJointData jointData = getColladaJointFromNode(node, id);
Quaternion lhsRotation = QuaternionHelper.RHStoLHS(jointData.RotationVector);
jointData.LHSTransformationMatrix =
Matrix4x4.TRS(new Vector3(-jointData.Translation.x, jointData.Translation.y, jointData.Translation.z),
lhsRotation, Vector3.one);
// Get parent joint
if (parentJoint != null)
{
jointData.LHSWorldTransformationMatrix = parentJoint.LHSWorldTransformationMatrix * jointData.LHSTransformationMatrix;
rig.Add(id, parentJoint.Id, jointData);
}
else
{
rig.Add(id, jointData);
}
// look for children joints.
addJointsToRig(rig, node, jointData);
}
}
}
/// <summary>
/// Provides rig data associated with a given COLLADA file.
/// </summary>
/// <param name="FilePath">The filepath of the COLLADA to be opened.</param>
/// <returns>The ColladaRigData</returns>
public static ColladaRigData ReadRigData(string FilePath)
{
ColladaRigData rigData = new ColladaRigData();
XmlDocument colladaDocument = new XmlDocument();
colladaDocument.Load(FilePath);
XmlNodeList visualSceneNodes = colladaDocument.GetElementsByTagName("visual_scene");
if (visualSceneNodes.Count > 0)
{
// We will just use the first one we find.
XmlNode visualScene = visualSceneNodes.Item(0);
// Add nodes to the rig recursively.
addJointsToRig(rigData, visualScene, null);
}
return(rigData);
}
