static Arm GetArm(Node shoulder)
{
var bones = shoulder.Traverse().ToArray();
switch (bones.Length)
{
case 0:
case 1:
case 2:
throw new NotImplementedException();
case 3:
return(new Arm
{
UpperArm = bones[0],
LowerArm = bones[1],
Hand = bones[2],
});
default:
return(new Arm
{
Shoulder = bones[0],
UpperArm = bones[1],
LowerArm = bones[2],
Hand = bones[3],
});
}
}
static public Dictionary <HumanoidBones, Node> DetectByName(Node root, Dictionary <string, HumanoidBones> map)
{
var dictionary = new Dictionary <HumanoidBones, Node>();
foreach (var bone in root.Traverse())
{
if (map.TryGetValue(bone.Name, out HumanoidBones humanbone))
{
if (humanbone != HumanoidBones.unknown)
{
dictionary.Add(humanbone, bone);
}
}
else if (Enum.TryParse <HumanoidBones>(bone.Name, true, out HumanoidBones result))
{
humanbone = (HumanoidBones)result;
dictionary.Add(humanbone, bone);
}
else
{
// throw new NotImplementedException();
}
}
return(dictionary);
}
static Leg GetLeg(Node leg)
{
var bones = leg.Traverse().Where(x => string.IsNullOrEmpty(x.Name) || !x.Name.ToLower().Contains("buttock")).ToArray();
switch (bones.Length)
{
case 0:
case 1:
case 2:
throw new NotImplementedException();
case 3:
return(new Leg
{
UpperLeg = bones[0],
LowerLeg = bones[1],
Foot = bones[2],
});
default:
return(new Leg
{
UpperLeg = bones[bones.Length - 4],
LowerLeg = bones[bones.Length - 3],
Foot = bones[bones.Length - 2],
Toes = bones[bones.Length - 1],
});
}
}
static ValueTuple <Node, Node> GetUpperLower(Node root)
{
var legL = root.Traverse().FirstOrDefault(x => x.HumanoidBone == HumanoidBones.leftUpperLeg);
var legR = root.Traverse().FirstOrDefault(x => x.HumanoidBone == HumanoidBones.rightUpperLeg);
var head = root.Traverse().FirstOrDefault(x => x.HumanoidBone == HumanoidBones.head);
var parentL = legL.Parent;
var parentR = legR.Parent;
if (parentL != parentR)
{
throw new Exception("different leftLeg parent and rightLeg parent");
}
var lower = parentL;
var upperAncestors = head.Ancestors().ToList();
if (upperAncestors.Any(x => x == lower))
{
throw new Exception("lower is ancestor of head");
}
var lowerAncestors = legL.Ancestors().ToList();
while (true)
{
if (upperAncestors.Last() != lowerAncestors.Last())
{
break;
}
upperAncestors.RemoveAt(upperAncestors.Count - 1);
lowerAncestors.RemoveAt(lowerAncestors.Count - 1);
}
return(upperAncestors.Last(), lowerAncestors.Last());
}
public Dictionary <HumanoidBones, Node> GetBoneMap()
{
return(Root.Traverse()
.Where(x => x.HumanoidBone.HasValue)
.ToDictionary(x => x.HumanoidBone.Value, x => x));
}
static public Dictionary <HumanoidBones, Node> DetectByPosition(Node root)
{
var hips = root.Traverse().First(x =>
{
// 3分岐以上で
//
// 子孫が以下の構成持ちうるもの
//
// spine, head, (upper, lower, hand) x 2
// (upper, lower, foot)
// (upper, lower, foot)
return(x.Children.Where(y => y.Traverse().Count() >= 3).Count() >= 3);
});
Node spine, hip_L, hip_R;
GetSpineAndHips(hips, out spine, out hip_L, out hip_R);
if (hip_L.Equals(hip_R))
{
throw new Exception();
}
var legLeft = GetLeg(hip_L);
var legRight = GetLeg(hip_R);
var spineToChest = new List <Node>();
foreach (var x in spine.Traverse())
{
spineToChest.Add(x);
if (x.Children.Count == 3)
{
break;
}
}
Func <Vector3, Vector3, bool> isLeft = default(Func <Vector3, Vector3, bool>);
if (legLeft.UpperLeg.SkeletonLocalPosition.Z == legRight.UpperLeg.SkeletonLocalPosition.Z)
{
isLeft = (l, r) => l.X < r.X;
}
else
{
isLeft = (l, r) => l.Z < r.Z;
}
Node neck, shoulder_L, shoulder_R;
GetNeckAndArms(spineToChest.Last(), out neck, out shoulder_L, out shoulder_R, isLeft);
var armLeft = GetArm(shoulder_L);
var armRight = GetArm(shoulder_R);
var neckToHead = neck.Traverse().ToArray();
//
// set result
//
var skeleton = new Dictionary <HumanoidBones, Node>();
Action <HumanoidBones, Node> AddBoneToSkeleton = (b, t) =>
{
if (t != null)
{
t.HumanoidBone = b;
skeleton[b] = t;
}
};
AddBoneToSkeleton(HumanoidBones.hips, hips);
switch (spineToChest.Count)
{
case 0:
throw new Exception();
case 1:
AddBoneToSkeleton(HumanoidBones.spine, spineToChest[0]);
break;
case 2:
AddBoneToSkeleton(HumanoidBones.spine, spineToChest[0]);
AddBoneToSkeleton(HumanoidBones.chest, spineToChest[1]);
break;
case 3:
AddBoneToSkeleton(HumanoidBones.spine, spineToChest[0]);
AddBoneToSkeleton(HumanoidBones.chest, spineToChest[1]);
AddBoneToSkeleton(HumanoidBones.upperChest, spineToChest[2]);
break;
default:
AddBoneToSkeleton(HumanoidBones.spine, spineToChest[0]);
AddBoneToSkeleton(HumanoidBones.chest, spineToChest[1]);
AddBoneToSkeleton(HumanoidBones.upperChest, spineToChest.Last());
break;
}
switch (neckToHead.Length)
{
case 0:
throw new Exception();
case 1:
AddBoneToSkeleton(HumanoidBones.head, neckToHead[0]);
break;
case 2:
AddBoneToSkeleton(HumanoidBones.neck, neckToHead[0]);
AddBoneToSkeleton(HumanoidBones.head, neckToHead[1]);
break;
default:
AddBoneToSkeleton(HumanoidBones.neck, neckToHead[0]);
AddBoneToSkeleton(HumanoidBones.head, neckToHead.Where(x => x.Parent.Children.Count == 1).Last());
break;
}
AddBoneToSkeleton(HumanoidBones.leftUpperLeg, legLeft.UpperLeg);
AddBoneToSkeleton(HumanoidBones.leftLowerLeg, legLeft.LowerLeg);
AddBoneToSkeleton(HumanoidBones.leftFoot, legLeft.Foot);
AddBoneToSkeleton(HumanoidBones.leftToes, legLeft.Toes);
AddBoneToSkeleton(HumanoidBones.rightUpperLeg, legRight.UpperLeg);
AddBoneToSkeleton(HumanoidBones.rightLowerLeg, legRight.LowerLeg);
AddBoneToSkeleton(HumanoidBones.rightFoot, legRight.Foot);
AddBoneToSkeleton(HumanoidBones.rightToes, legRight.Toes);
AddBoneToSkeleton(HumanoidBones.leftShoulder, armLeft.Shoulder);
AddBoneToSkeleton(HumanoidBones.leftUpperArm, armLeft.UpperArm);
AddBoneToSkeleton(HumanoidBones.leftLowerArm, armLeft.LowerArm);
AddBoneToSkeleton(HumanoidBones.leftHand, armLeft.Hand);
AddBoneToSkeleton(HumanoidBones.rightShoulder, armRight.Shoulder);
AddBoneToSkeleton(HumanoidBones.rightUpperArm, armRight.UpperArm);
AddBoneToSkeleton(HumanoidBones.rightLowerArm, armRight.LowerArm);
AddBoneToSkeleton(HumanoidBones.rightHand, armRight.Hand);
return(skeleton);
}