//Constructor
public SkinInfo()
{
unchecked {
shape = null;
skinInstance = null;
}
}
public NiGeometry()
{
skin = null;
data = null;
skinInstance = null;
shaderProperty = null;
alphaProperty = null;
}
/*!
* NIFLIB_HIDDEN function. For internal use only.
* Should only be called by NiTriBasedGeom. Detaches the skin associated with a child mesh.
*/
internal void RemoveSkin(NiSkinInstance skin_inst)
{
//Remove the reference
skins.Remove(skin_inst);
//Ensure that any multiply referenced bone nodes still
//have their skin flag set
IList <NiNode> bones;
foreach (var it in skins)
{
bones = it.GetBones();
for (var i = 0; i < bones.Count; ++i)
{
bones[i].SetSkinFlag(true);
}
}
}
/*!
* Binds this geometry to a list of bones. Creates and attatches a
* NiSkinInstance and NiSkinData class. The bones must have a common
* ancestor in the scenegraph. This becomes the skeleton root.
*/
public void BindSkinWith(IList <NiNode> bone_nodes, Action <NiObject> skinInstConstructor)
{
if (skinInstConstructor == null)
{
skinInstConstructor = NiSkinInstance.Create;
}
//Ensure skin is not aleady bound
if (skinInstance != null)
{
throw new Exception("You have attempted to re-bind a skin that is already bound. Unbind it first.");
}
//Ensure that some bones are given
if (bone_nodes.Count == 0)
{
throw new Exception("You must specify at least one bone node.");
}
//--Find a suitable skeleton root--//
//The skeleton root will be the common ancestor of all bones which influence this skin,
//and the skin object itself.
var objects = new List <NiAVObject>();
objects.Add(this);
for (var i = 0; i < bone_nodes.Count; ++i)
{
objects.Add(bone_nodes[i]);
}
var skeleton_root = Nif.FindCommonAncestor(objects);
if (skeleton_root == null)
{
throw new Exception("Failed to find suitable skeleton root.");
}
//Create a skin instance using the bone and root data
skinInstance = skinInstConstructor() as NiSkinInstance;
if (skinInstance == null)
{
throw new Exception("Failed to construct NiSkinInstance");
}
skinInstance.BindSkin(skeleton_root, bone_nodes);
//Create a NiSkinData object based on this mesh
skinInstance.SkinData = new NiSkinData(this);
}
/*! NIFLIB_HIDDEN function. For internal use only. */
internal override void FixLinks(Dictionary <uint, NiObject> objects, List <uint> link_stack, List <NiObject> missing_link_stack, NifInfo info)
{
base.FixLinks(objects, link_stack, missing_link_stack, info);
if ((info.userVersion2 >= 100))
{
if (IsDerivedType(NiParticleSystem.TYPE))
{
skin = FixLink <NiObject>(objects, link_stack, missing_link_stack, info);
}
}
if ((info.userVersion2 < 100))
{
data = FixLink <NiGeometryData>(objects, link_stack, missing_link_stack, info);
}
if ((info.userVersion2 >= 100))
{
if ((!IsDerivedType(NiParticleSystem.TYPE)))
{
data = FixLink <NiGeometryData>(objects, link_stack, missing_link_stack, info);
}
}
if ((info.version >= 0x0303000D) && ((info.userVersion2 < 100)))
{
skinInstance = FixLink <NiSkinInstance>(objects, link_stack, missing_link_stack, info);
}
if ((info.userVersion2 >= 100))
{
if ((!IsDerivedType(NiParticleSystem.TYPE)))
{
skinInstance = FixLink <NiSkinInstance>(objects, link_stack, missing_link_stack, info);
}
}
if ((info.version >= 0x14020007) && (info.userVersion == 12))
{
shaderProperty = FixLink <BSShaderProperty>(objects, link_stack, missing_link_stack, info);
alphaProperty = FixLink <NiAlphaProperty>(objects, link_stack, missing_link_stack, info);
}
}
/*!
* Unbinds this geometry from the bones. This removes the NiSkinInstance and NiSkinData objects and causes this geometry to stop behaving as a skin.
*/
public void UnbindSkin()
{
//Clear skin instance
skinInstance = null;
}
/*! * NIFLIB_HIDDEN function. For internal use only. * Should only be called by NiTriBasedGeom. Adds a new SkinInstance to the specified mesh. The bones must be below this node in the scene graph tree */ internal void AddSkin(NiSkinInstance skin_inst) => skins.Add(skin_inst);
