internal SceneInstance(NodeTemplate[] nodeTemplates, DrawableReference[] drawables, Collections.NamedList <float> tracks)
{
_AnimationTracks = tracks;
_NodeTemplates = nodeTemplates;
_NodeInstances = new NodeInstance[_NodeTemplates.Length];
for (var i = 0; i < _NodeInstances.Length; ++i)
{
var n = _NodeTemplates[i];
var pidx = _NodeTemplates[i].ParentIndex;
if (pidx >= i)
{
throw new ArgumentException("invalid parent index", nameof(nodeTemplates));
}
var p = pidx < 0 ? null : _NodeInstances[pidx];
_NodeInstances[i] = new NodeInstance(n, p);
}
_DrawableReferences = drawables;
_DrawableTransforms = new IGeometryTransform[_DrawableReferences.Length];
for (int i = 0; i < _DrawableTransforms.Length; ++i)
{
_DrawableTransforms[i] = _DrawableReferences[i].CreateGeometryTransform();
}
}
internal ArmatureInstance(ArmatureTemplate template)
{
_NodeTemplates = template.Nodes;
var ni = new NodeInstance[_NodeTemplates.Count];
for (var i = 0; i < ni.Length; ++i)
{
var n = _NodeTemplates[i];
var p = n.ParentIndex < 0 ? null : ni[n.ParentIndex];
ni[i] = new NodeInstance(n, p);
}
_NodeInstances = ni;
_AnimationTracks = template.Tracks;
}
internal NodeInstance(NodeTemplate template, NodeInstance parent)
{
_Template = template;
_Parent = parent;
}
