public Skeleton(FbxNode rootNode, SceneLoader scene, FbxSkin[] skins, List <AnimationTrackInfo> animationTracks)
{
Scene = scene;
BoneIndexDictionary = new Dictionary <ulong, int>();
Bones = new List <SkeletonBone>();
var skeletonNodeTree = new Dictionary <ulong, bool>(); // [nodeUniqueID] = isSkeleton
CheckIsNodeContainsSkeletonRecursive(rootNode, skeletonNodeTree);
RootBone = AddNodeToSkeletonRecursive(rootNode, null, skeletonNodeTree, skins);
//Temp - Результат вычисления Skeleton до этого места не зависит от текущего SetCurrentAnimationTrack(..)
//----------------------------
foreach (var bone in Bones)
{
bone.AnimTracks = new AnimTrack[animationTracks.Count];
}
for (int i = 0; i < animationTracks.Count; i++)
{
Scene.SetCurrentAnimationTrack(i);
foreach (var bone in Bones)
{
bone.AnimTracks[i] = bone.LoadAnimationTrack(bone.Node, animationTracks[i]);
}
}
//foreach (var bone in Bones)
//{
// bone.HasAnimation = bone.GetHasAnimation();
// //if (!bone.HasAnimation)
// // bone.NotAnimatedLocalTransform = bone.Node.EvaluateLocalTransform().ToMat4();
//}
}
SkeletonBone AddNodeToSkeletonRecursive(
FbxNode node,
SkeletonBone parentBone,
Dictionary <ulong, bool> skeletonNodeTree,
FbxSkin[] skins)
{
if (BoneIndexDictionary.ContainsKey(node.GetUniqueID()))
{
return(null);
}
SkeletonBone pBone = new SkeletonBone(node, parentBone, skins, Scene);
//pBone.CalculateAnimations(animationTracks);
BoneIndexDictionary[node.GetUniqueID()] = Bones.Count;
Bones.Add(pBone);
for (int i = 0; i < node.GetChildCount(); i++)
{
FbxNode pChild = node.GetChild(i);
if (skeletonNodeTree[pChild.GetUniqueID()])
{
var childBone = AddNodeToSkeletonRecursive(pChild, pBone, skeletonNodeTree, skins);
if (childBone != null)
{
pBone.Children.Add(childBone);
}
}
}
return(pBone);
}
public SkeletonBone(FbxNode boneNode, SkeletonBone parentBone, FbxSkin[] skins, SceneLoader scene)
{
//this.scene = scene;
this.scene = scene;
Node = boneNode;
ParentBone = parentBone;
//animationTrackKeyFrames = new List<HashSet<double>>();
cluster = Skeleton.FindCluster(Node, skins, out skin); //Поиск по всем skins во всех mesh. Можно было бы сделать эффективнее.
globalMeshTransform = new FbxAMatrix();
globalMeshTransform.SetIdentity();
geometryOffset = new FbxAMatrix();
geometryOffset.SetIdentity();
if (cluster != null)
{
FbxNode meshNode = skin.GetGeometry()?.GetNode();
if (meshNode != null)
{
globalMeshTransform = meshNode.EvaluateGlobalTransform(FbxExtensions.ToFbxTime(-1)); // FbxMath.GetGlobalPosition( meshNode, FbxExtensions.ToFbxTime( -1 ), null );
geometryOffset = FbxMath.GetGeometryOffset(meshNode);
}
}
InitialTransform = GetInitialTransform().ToMatrix4(); //Во внешнем коде надо использовать это значение, т.к. результат GetInitialTransform() может зависеть от установленного AnimationTrack
}