public override object Load(LoadedAsset asset)
{
XmlReader xmlReader = XmlReader.Create(asset.Data);
while (xmlReader.Read())
{
if (xmlReader.NodeType == XmlNodeType.Element)
{
if (xmlReader.Name == "bone")
{
string name = xmlReader.GetAttribute("name");
boneIdx = int.Parse(xmlReader.GetAttribute("id"));
skeleton.AddBone(new Bone(name));
}
else if (xmlReader.Name == "position")
{
float x = float.Parse(xmlReader.GetAttribute("x"));
float y = float.Parse(xmlReader.GetAttribute("y"));
float z = float.Parse(xmlReader.GetAttribute("z"));
Vector3f vec = new Vector3f(x, y, z);
skeleton.GetBone(boneIdx).SetBindTranslation(vec);
}
else if (xmlReader.Name == "rotation")
{
float angle = float.Parse(xmlReader.GetAttribute("angle"));
bindAngle = angle;
}
else if (xmlReader.Name == "boneparent")
{
string parent = xmlReader.GetAttribute("parent");
string child = xmlReader.GetAttribute("bone");
Bone parentBone = null;
for (int i = 0; i < skeleton.GetNumBones(); i++)
if (skeleton.GetBone(i).Name == parent)
parentBone = skeleton.GetBone(i);
for (int i = 0; i < skeleton.GetNumBones(); i++)
{
if (skeleton.GetBone(i).Name == child)
{
Bone b = skeleton.GetBone(i);
parentBone.AddChild(b);
}
}
}
else if (xmlReader.Name == "track")
{
string bone = xmlReader.GetAttribute("bone");
keyframeBoneName = bone;
Bone b = skeleton.GetBone(keyframeBoneName);
if (b != null)
skeleton.GetAnimations()[skeleton.GetAnimations().Count - 1].AddTrack(new AnimationTrack(b));
}
else if (xmlReader.Name == "translate")
{
float x = float.Parse(xmlReader.GetAttribute("x"));
float y = float.Parse(xmlReader.GetAttribute("y"));
float z = float.Parse(xmlReader.GetAttribute("z"));
Vector3f vec = new Vector3f(x, y, z);
keyframeBoneTrans = vec;
}
else if (xmlReader.Name == "rotate")
{
float angle = float.Parse(xmlReader.GetAttribute("angle"));
keyframeBoneAngle = angle;
}
else if (xmlReader.Name == "axis")
{
float x = float.Parse(xmlReader.GetAttribute("x"));
float y = float.Parse(xmlReader.GetAttribute("y"));
float z = float.Parse(xmlReader.GetAttribute("z"));
Vector3f vec = new Vector3f(x, y, z);
string peek = lastElement;
if (peek == "rotate") // it is a keyframe
{
keyframeBoneAxis = vec;
}
else if (peek == "rotation") // it is a bone bind pose
{
bindAxis = vec;
skeleton.GetBone(boneIdx).SetBindAxisAngle(bindAxis.Normalize(), bindAngle);
}
}
else if (xmlReader.Name == "keyframe")
{
keyframeBoneTime = float.Parse(xmlReader.GetAttribute("time"));
}
else if (xmlReader.Name == "animation")
{
skeleton.GetAnimations().Add(new Animation(xmlReader.GetAttribute("name")));
}
lastElement = xmlReader.Name;
}
else if (xmlReader.NodeType == XmlNodeType.EndElement)
{
if (xmlReader.Name == "keyframe")
{
Bone b = skeleton.GetBone(keyframeBoneName);
if (b != null)
{
Keyframe keyf = null;
skeleton.GetAnimations()[skeleton.GetAnimations().Count - 1]
.GetTrack(skeleton.GetAnimations()[skeleton.GetAnimations().Count - 1]
.GetTracks().Count - 1)
.AddKeyframe(keyf = new Keyframe(keyframeBoneTime, keyframeBoneTrans, keyframeBoneAxis, keyframeBoneAngle));
}
keyframeBoneAngle = 0f;
keyframeBoneAxis = new Vector3f(Vector3f.Zero);
keyframeBoneTime = 0f;
keyframeBoneTrans = new Vector3f(Vector3f.Zero);
}
else if (xmlReader.Name == "track")
{
keyframeBoneName = "";
}
}
}
xmlReader.Close();
return skeleton;
}