public SpringBoneManager CreateVrmSpringBone(List <Node> nodes)
{
var gltfVrm = Gltf.Extensions.VRMCSpringBone;
if ((gltfVrm is null))
{
return(null);
}
var springBone = new SpringBoneManager();
// springs
foreach (var group in gltfVrm.Springs.GroupBy(x => x.Setting.Value))
{
var sb = new SpringBone();
sb.Comment = group.First().Name;
sb.HitRadius = group.First().HitRadius.Value;
var setting = gltfVrm.Settings[group.Key];
sb.DragForce = setting.DragForce.Value;
sb.GravityDir = setting.GravityDir.ToVector3();
sb.GravityPower = setting.GravityPower.Value;
sb.Stiffness = setting.Stiffness.Value;
foreach (var spring in group)
{
// root
sb.Bones.Add(nodes[spring.SpringRoot.Value]);
// collider
foreach (var colliderNode in spring.Colliders)
{
var collider = springBone.Colliders.FirstOrDefault(x => x.Node == nodes[colliderNode]);
if (collider == null)
{
collider = new SpringBoneColliderGroup(nodes[colliderNode], Gltf.Nodes[colliderNode].Extensions.VRMCNodeCollider.Shapes.Select(x =>
{
if (x.Sphere != null)
{
return(VrmSpringBoneCollider.CreateSphere(x.Sphere.Offset.ToVector3(), x.Sphere.Radius.Value));
}
else if (x.Capsule != null)
{
return(VrmSpringBoneCollider.CreateCapsule(x.Capsule.Offset.ToVector3(), x.Capsule.Radius.Value, x.Capsule.Tail.ToVector3()));
}
else
{
throw new NotImplementedException();
}
}));
springBone.Colliders.Add(collider);
}
sb.Colliders.Add(collider);
}
}
springBone.Springs.Add(sb);
}
return(springBone);
}
static VrmSpringBoneCollider CreateCollider(VrmProtobuf.ColliderShape z)
{
if (z.Sphere != null)
{
return(VrmSpringBoneCollider.CreateSphere(z.Sphere.Offset.ToVector3(), z.Sphere.Radius.Value));
}
if (z.Capsule != null)
{
return(VrmSpringBoneCollider.CreateCapsule(z.Capsule.Offset.ToVector3(), z.Capsule.Radius.Value, z.Capsule.Tail.ToVector3()));
}
throw new NotImplementedException();
}
static VrmSpringBoneCollider CreateCollider(VrmProtobuf.VRMCSpringBone.Types.ColliderGroup.Types.Collider z)
{
switch (z.Type)
{
case VrmProtobuf.VRMCSpringBone.Types.ColliderGroup.Types.ColliderTypes.Sphere:
return(VrmSpringBoneCollider.CreateSphere(z.Offset.ToVector3(), z.Radius));
case VrmProtobuf.VRMCSpringBone.Types.ColliderGroup.Types.ColliderTypes.Capsule:
return(VrmSpringBoneCollider.CreateCapsule(z.Offset.ToVector3(), z.Radius, z.Tail.ToVector3()));
}
throw new Exception();
}
public static bool LoadVrm(this Model self, Gltf gltf)
{
var gltfVrm = gltf.extensions?.VRM;
if (gltfVrm == null)
{
return(false);
}
var Vrm = new Vrm(gltfVrm.meta.FromGltf(self.Textures), gltfVrm.exporterVersion, gltfVrm.specVersion);
self.Vrm = Vrm;
if (gltfVrm.humanoid != null)
{
foreach (var humanBone in gltfVrm.humanoid.humanBones)
{
if (humanBone.bone != GltfFormat.HumanoidBones.unknown)
{
self.Nodes[humanBone.node].HumanoidBone = (VrmLib.HumanoidBones)humanBone.bone;
}
}
}
if (!self.CheckVrmHumanoid())
{
throw new Exception("duplicate human bone");
}
// blendshape
if (gltfVrm.blendShapeMaster != null &&
gltfVrm.blendShapeMaster.blendShapeGroups != null &&
gltfVrm.blendShapeMaster.blendShapeGroups.Any())
{
Vrm.BlendShape = gltfVrm.blendShapeMaster.FromGltf(self.MeshGroups, self.Materials, self.Nodes);
}
// secondary
if (!(gltfVrm.secondaryAnimation is null))
{
Vrm.SpringBone = new SpringBoneManager();
// colliders
Vrm.SpringBone.Colliders.AddRange(
gltfVrm.secondaryAnimation.colliderGroups.Select(y =>
new SpringBoneColliderGroup(
self.Nodes[y.node],
y.colliders.Select(z => VrmSpringBoneCollider.CreateSphere(z.offset, z.radius))
)
));
// springs
Vrm.SpringBone.Springs.AddRange(gltfVrm.secondaryAnimation.boneGroups.Select(x =>
{
var sb = new SpringBone();
sb.Bones.AddRange(x.bones.Select(y => self.Nodes[y]));
if (x.center >= 0)
{
sb.Origin = self.Nodes[x.center];
}
sb.Colliders.AddRange(x.colliderGroups.Select(y => Vrm.SpringBone.Colliders[y]));
sb.Comment = x.comment;
sb.DragForce = x.dragForce;
sb.GravityDir = x.gravityDir;
sb.GravityPower = x.gravityPower;
sb.HitRadius = x.hitRadius;
sb.Stiffness = x.stiffiness;
return(sb);
}));
}
// material(already replaced)
if (gltfVrm.firstPerson != null)
{
Vrm.FirstPerson = gltfVrm.firstPerson.FromGltf(self.Nodes, self.MeshGroups);
Vrm.LookAt = gltfVrm.firstPerson.LookAtFromGltf();
Vrm.LookAt.OffsetFromHeadBone = gltfVrm.firstPerson.firstPersonBoneOffset;
}
return(true);
}
public SpringBoneManager CreateVrmSpringBone(List <Node> nodes)
{
if ((gltfVrmSpringBone is null))
{
return(null);
}
var springBoneManager = new SpringBoneManager();
// springs
if (gltfVrmSpringBone.Springs != null)
{
foreach (var gltfSpring in gltfVrmSpringBone.Springs)
{
var springBone = new SpringBone();
springBone.Comment = gltfSpring.Name;
// joint
foreach (var gltfJoint in gltfSpring.Joints)
{
var joint = new SpringJoint(nodes[gltfJoint.Node.Value]);
joint.HitRadius = gltfJoint.HitRadius.Value;
joint.DragForce = gltfJoint.DragForce.Value;
joint.GravityDir = gltfJoint.GravityDir.ToVector3();
joint.GravityPower = gltfJoint.GravityPower.Value;
joint.Stiffness = gltfJoint.Stiffness.Value;
joint.Exclude = gltfJoint.Exclude.GetValueOrDefault();
springBone.Joints.Add(joint);
}
// collider
springBone.Colliders.AddRange(gltfSpring.Colliders.Select(colliderNode =>
{
if (UniGLTF.Extensions.VRMC_node_collider.GltfDeserializer.TryGet(Gltf.nodes[colliderNode].extensions,
out UniGLTF.Extensions.VRMC_node_collider.VRMC_node_collider extension))
{
var collider = new SpringBoneColliderGroup(nodes[colliderNode], extension.Shapes.Select(x =>
{
if (x.Sphere != null)
{
return(VrmSpringBoneCollider.CreateSphere(x.Sphere.Offset.ToVector3(), x.Sphere.Radius.Value));
}
else if (x.Capsule != null)
{
return(VrmSpringBoneCollider.CreateCapsule(x.Capsule.Offset.ToVector3(), x.Capsule.Radius.Value, x.Capsule.Tail.ToVector3()));
}
else
{
throw new NotImplementedException();
}
}));
return(collider);
}
else
{
return(null);
}
}).Where(x => x != null));
springBoneManager.Springs.Add(springBone);
}
}
return(springBoneManager);
}