/// <summary>
/// Bakes all node transforms of all skinned meshes into the geometry so that each node's
/// transform is Identity. (Only bones and morph targets keep their transforms.)
/// </summary>
/// <param name="node">The node.</param>
private static void BakeTransforms(NodeContent node)
{
if (node is BoneContent)
{
return;
}
if (ContentHelper.IsMorphTarget(node))
{
return;
}
if (ContentHelper.IsSkinned(node))
{
// Bake all transforms in this subtree.
BakeAllTransforms(node);
}
else
{
// Bake transforms of skinned meshes.
foreach (NodeContent child in node.Children)
{
BakeTransforms(child);
}
}
}
private static void SetSkinnedMaterial(NodeContent node, Dictionary <MaterialContent, SkinnedMaterialContent> swappedMaterials, SkinnedMaterialContent defaultMaterial)
{
var mesh = node as MeshContent;
if (mesh != null)
{
foreach (var geometry in mesh.Geometry)
{
if (!ContentHelper.IsSkinned(geometry))
{
continue;
}
if (geometry.Material == null)
{
// Happens if the model is exported without a material. (XNA only!)
geometry.Material = defaultMaterial;
continue;
}
SkinnedMaterialContent skinnedMaterial;
if (!swappedMaterials.TryGetValue(geometry.Material, out skinnedMaterial))
{
// Convert BasicMaterialContent to SkinnedMaterialContent.
skinnedMaterial = ContentHelper.ConvertToSkinnedMaterial(geometry.Material);
if (skinnedMaterial == null)
{
continue;
}
swappedMaterials[geometry.Material] = skinnedMaterial;
}
geometry.Material = skinnedMaterial;
}
}
foreach (var child in node.Children)
{
SetSkinnedMaterial(child, swappedMaterials, defaultMaterial);
}
}