private PmxRigidBody ReadPmxRigidBody()
{
var body = new PmxRigidBody();
body.Name = ReadString() ?? string.Empty;
body.NameEnglish = ReadString() ?? string.Empty;
body.BoneIndex = _reader.ReadVarLenIntAsInt32(BoneElementSize);
body.GroupIndex = _reader.ReadByte(); // TODO: Signed? Unsigned?
var bits = _reader.ReadUInt16();
var passGroup = PmxBodyPassGroup.FromFlagBits(bits);
body.PassGroup = passGroup;
body.BoundingBoxKind = (BoundingBoxKind)_reader.ReadByte();
body.BoundingBoxSize = _reader.ReadVector3();
body.Position = _reader.ReadVector3();
body.RotationAngles = _reader.ReadVector3();
body.Mass = _reader.ReadSingle();
body.PositionDamping = _reader.ReadSingle();
body.RotationDamping = _reader.ReadSingle();
body.Restitution = _reader.ReadSingle();
body.Friction = _reader.ReadSingle();
body.KineticMode = (KineticMode)_reader.ReadByte();
return(body);
}
private void WritePmxRigidBody([NotNull] PmxRigidBody body)
{
WriteString(body.Name);
WriteString(body.NameEnglish);
_writer.WriteInt32AsVarLenInt(body.BoneIndex, BoneElementSize);
_writer.Write((byte)body.GroupIndex);
_writer.Write(body.PassGroup.ToFlagBits());
_writer.Write((byte)body.BoundingBoxKind);
_writer.Write(body.BoundingBoxSize);
_writer.Write(body.Position);
_writer.Write(body.RotationAngles);
_writer.Write(body.Mass);
_writer.Write(body.PositionDamping);
_writer.Write(body.RotationDamping);
_writer.Write(body.Restitution);
_writer.Write(body.Friction);
_writer.Write((byte)body.KineticMode);
}
private void AppendStaticBodies([NotNull, ItemNotNull] PmxBone[] bones, [NotNull, ItemNotNull] SwayCollider[] swayColliders, [NotNull, ItemNotNull] List <PmxRigidBody> bodies)
{
foreach (var collider in swayColliders)
{
var mltdBoneName = collider.Path;
if (mltdBoneName.Contains(BoneLookup.BoneNamePart_BodyScale))
{
mltdBoneName = mltdBoneName.Replace(BoneLookup.BoneNamePart_BodyScale, string.Empty);
}
var pmxBoneName = _pmxCreator._boneLookup.GetPmxBoneName(mltdBoneName);
var body = new PmxRigidBody();
var correspondingBone = bones.Find(o => o.Name == pmxBoneName);
Debug.Assert(correspondingBone != null, nameof(correspondingBone) + " != null");
body.Name = correspondingBone.Name;
body.NameEnglish = correspondingBone.NameEnglish;
body.BoneIndex = correspondingBone.BoneIndex;
body.KineticMode = KineticMode.Static;
body.Mass = 1;
body.PositionDamping = 0.9f;
body.RotationDamping = 1.0f;
body.Friction = 0.0f;
body.Restitution = 0.0f;
var part = GetBodyCoordSystemPart(collider);
body.Part = part;
switch (part)
{
case CoordSystemPart.Torso:
body.GroupIndex = PassGroupIndex.Torso;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.LeftArm:
case CoordSystemPart.RightArm:
body.GroupIndex = PassGroupIndex.Arms;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.Legs:
body.GroupIndex = PassGroupIndex.Legs;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.Head:
body.GroupIndex = PassGroupIndex.Head;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (collider.Type)
{
case ColliderType.Sphere: {
body.BoundingBoxKind = BoundingBoxKind.Sphere;
body.BoundingBoxSize = new Vector3(collider.Radius, 0, 0);
body.Position = correspondingBone.InitialPosition;
}
break;
case ColliderType.Capsule: {
body.BoundingBoxKind = BoundingBoxKind.Capsule;
body.BoundingBoxSize = new Vector3(collider.Radius, collider.Distance, 0);
body.RotationAngles = MapRotation(part, collider.Axis);
var offset = MapTranslation(collider.Offset.ToOpenTK(), part, collider.Axis);
if (_pmxCreator._conversionConfig.ScaleToPmxSize)
{
offset = offset * _pmxCreator._scalingConfig.ScaleUnityToPmx;
}
body.Position = correspondingBone.InitialPosition + offset;
}
break;
case ColliderType.Plane:
case ColliderType.Bridge:
// TODO: How to handle these?
continue;
default:
throw new ArgumentOutOfRangeException();
}
if (_pmxCreator._conversionConfig.ScaleToPmxSize)
{
body.BoundingBoxSize = body.BoundingBoxSize * _pmxCreator._scalingConfig.ScaleUnityToPmx;
}
bodies.Add(body);
}
}
private void AppendSwayBones([NotNull, ItemNotNull] PmxBone[] bones, [NotNull, ItemNotNull] SwayBone[] swayBones, [NotNull, ItemNotNull] List <PmxRigidBody> bodies)
{
// "Semi-root" sway bones
foreach (var swayBone in swayBones)
{
var part = GetBodyCoordSystemPart(swayBone);
switch (part)
{
case CoordSystemPart.Torso:
case CoordSystemPart.LeftArm:
case CoordSystemPart.RightArm:
case CoordSystemPart.Legs:
case CoordSystemPart.Head:
continue;
case CoordSystemPart.Breasts:
case CoordSystemPart.Accessories:
continue;
case CoordSystemPart.Skirt:
case CoordSystemPart.Hair:
break;
default:
throw new ArgumentOutOfRangeException();
}
var guessedParentPath = swayBone.Path.BreakUntilLast('/');
var parentBody = swayBones.Find(sb => sb.Path == guessedParentPath);
if (parentBody != null)
{
// This is a child rigid body.
continue;
}
var mltdBoneName = swayBone.Path;
if (mltdBoneName.Contains(BoneLookup.BoneNamePart_BodyScale))
{
mltdBoneName = mltdBoneName.Replace(BoneLookup.BoneNamePart_BodyScale, string.Empty);
}
var pmxBoneName = _pmxCreator._boneLookup.GetPmxBoneName(mltdBoneName);
var correspondingBone = bones.Find(o => o.Name == pmxBoneName);
if (correspondingBone == null)
{
Trace.WriteLine($"Warning: Semi-root sway bone is missing. Skipping this bone. PMX name: {pmxBoneName}; MLTD name: {mltdBoneName}");
continue;
}
var body = new PmxRigidBody();
body.Part = part;
body.BoneIndex = correspondingBone.BoneIndex;
body.Name = correspondingBone.Name;
body.NameEnglish = correspondingBone.NameEnglish;
body.KineticMode = KineticMode.Dynamic;
body.Mass = ComputeMass(swayBone.Radius);
body.PositionDamping = 0.9f;
body.RotationDamping = 1.0f;
body.Friction = 0.0f;
body.Restitution = 0.0f;
switch (part)
{
case CoordSystemPart.Head:
body.GroupIndex = PassGroupIndex.Head;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.Hair:
body.GroupIndex = PassGroupIndex.Hair;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Head);
body.PassGroup.Pass(PassGroupIndex.Hair);
break;
case CoordSystemPart.Skirt:
body.GroupIndex = PassGroupIndex.Skirt;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Skirt);
body.PassGroup.Pass(PassGroupIndex.Torso);
break;
case CoordSystemPart.Breasts:
body.GroupIndex = PassGroupIndex.Breasts;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Breasts);
body.PassGroup.Pass(PassGroupIndex.Torso);
break;
case CoordSystemPart.Accessories:
body.GroupIndex = PassGroupIndex.Accessories;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Accessories);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (swayBone.Type)
{
case ColliderType.Sphere: {
body.BoundingBoxKind = BoundingBoxKind.Sphere;
body.BoundingBoxSize = new Vector3(swayBone.Radius, 0, 0);
var childBone = bones.Find(bo => bo.ParentIndex == correspondingBone.BoneIndex);
Debug.Assert(childBone != null, nameof(childBone) + " != null");
body.Position = (correspondingBone.InitialPosition + childBone.InitialPosition) / 2;
}
break;
case ColliderType.Capsule:
case ColliderType.Plane:
case ColliderType.Bridge:
throw new ArgumentOutOfRangeException(nameof(swayBone.Type), swayBone.Type, "Only sphere colliders are supported in SwayBone.");
default:
throw new ArgumentOutOfRangeException();
}
if (_pmxCreator._conversionConfig.ScaleToPmxSize)
{
body.BoundingBoxSize = body.BoundingBoxSize * _pmxCreator._scalingConfig.ScaleUnityToPmx;
}
bodies.Add(body);
}
// Normal sway bones
foreach (var swayBone in swayBones)
{
var mltdBoneName = swayBone.Path;
if (mltdBoneName.Contains(BoneLookup.BoneNamePart_BodyScale))
{
mltdBoneName = mltdBoneName.Replace(BoneLookup.BoneNamePart_BodyScale, string.Empty);
}
var pmxBoneName = _pmxCreator._boneLookup.GetPmxBoneName(mltdBoneName);
var body = new PmxRigidBody();
var part = GetBodyCoordSystemPart(swayBone);
body.Part = part;
var correspondingBone = bones.Find(o => o.Name == pmxBoneName);
if (correspondingBone == null)
{
Trace.WriteLine($"Warning: Normal sway bone is missing. Skipping this bone. PMX name: {pmxBoneName}; MLTD name: {mltdBoneName}");
continue;
}
switch (part)
{
case CoordSystemPart.Skirt:
case CoordSystemPart.Hair: {
var cb = correspondingBone;
correspondingBone = bones.Find(b => b.ParentIndex == cb.BoneIndex);
Debug.Assert(correspondingBone != null, "Normal sway (skirt/hair): " + nameof(correspondingBone) + " != null");
break;
}
case CoordSystemPart.Accessories:
case CoordSystemPart.Breasts:
break;
}
body.BoneIndex = correspondingBone.BoneIndex;
body.Name = correspondingBone.Name;
body.NameEnglish = correspondingBone.NameEnglish;
switch (part)
{
case CoordSystemPart.Skirt:
case CoordSystemPart.Hair:
body.KineticMode = KineticMode.Dynamic;
break;
case CoordSystemPart.Accessories:
case CoordSystemPart.Breasts:
body.KineticMode = KineticMode.DynamicWithBone;
break;
}
body.Mass = ComputeMass(swayBone.Radius);
body.PositionDamping = 0.9f;
body.RotationDamping = 1.0f;
body.Friction = 0.0f;
body.Restitution = 0.0f;
switch (part)
{
case CoordSystemPart.Head:
body.GroupIndex = PassGroupIndex.Head;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Torso);
body.PassGroup.Pass(PassGroupIndex.Arms);
body.PassGroup.Pass(PassGroupIndex.Legs);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.Hair:
body.GroupIndex = PassGroupIndex.Hair;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Hair);
body.PassGroup.Pass(PassGroupIndex.Head);
break;
case CoordSystemPart.Skirt:
body.GroupIndex = PassGroupIndex.Skirt;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Skirt);
break;
case CoordSystemPart.Breasts:
body.GroupIndex = PassGroupIndex.Breasts;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Breasts);
body.PassGroup.Pass(PassGroupIndex.Torso);
break;
case CoordSystemPart.Accessories:
body.GroupIndex = PassGroupIndex.Accessories;
body.PassGroup.BlockAll();
body.PassGroup.Pass(PassGroupIndex.Accessories);
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (swayBone.Type)
{
case ColliderType.Sphere: {
body.BoundingBoxKind = BoundingBoxKind.Sphere;
body.BoundingBoxSize = new Vector3(swayBone.Radius, 0, 0);
var childBone = bones.Find(bo => bo.ParentIndex == correspondingBone.BoneIndex);
if (childBone != null)
{
body.Position = (correspondingBone.InitialPosition + childBone.InitialPosition) / 2;
}
else
{
var parentBone = bones.Find(bo => bo.BoneIndex == correspondingBone.ParentIndex);
Debug.Assert(parentBone != null, nameof(parentBone) + " != null");
var delta = correspondingBone.InitialPosition - parentBone.InitialPosition;
body.Position = correspondingBone.InitialPosition + delta / 2;
}
}
break;
case ColliderType.Capsule:
case ColliderType.Plane:
case ColliderType.Bridge:
throw new ArgumentOutOfRangeException(nameof(swayBone.Type), swayBone.Type, "Only sphere colliders are supported in SwayBone.");
default:
throw new ArgumentOutOfRangeException();
}
if (_pmxCreator._conversionConfig.ScaleToPmxSize)
{
body.BoundingBoxSize = body.BoundingBoxSize * _pmxCreator._scalingConfig.ScaleUnityToPmx;
}
bodies.Add(body);
}
}
private PmxModel ReadPmxModel()
{
var model = new PmxModel();
model.Name = ReadString() ?? string.Empty;
model.NameEnglish = ReadString() ?? string.Empty;
model.Comment = ReadString() ?? string.Empty;
model.CommentEnglish = ReadString() ?? string.Empty;
ReadVertexInfo();
ReadFaceInfo();
ReadTextureInfo();
ReadMaterialInfo();
ReadBoneInfo();
ReadMorphInfo();
ReadNodeInfo();
ReadRigidBodyInfo();
ReadJointInfo();
ReadSoftBodyInfo();
return(model);
void ReadVertexInfo()
{
var vertexCount = _reader.ReadInt32();
var vertices = new PmxVertex[vertexCount];
for (var i = 0; i < vertexCount; ++i)
{
vertices[i] = ReadPmxVertex();
}
model.Vertices = vertices;
}
void ReadFaceInfo()
{
var faceCount = _reader.ReadInt32();
var faceIndices = new int[faceCount];
for (var i = 0; i < faceCount; ++i)
{
faceIndices[i] = _reader.ReadVarLenIntAsInt32(VertexElementSize, true);
}
model.FaceTriangles = faceIndices;
}
void ReadTextureInfo()
{
var textureCount = _reader.ReadInt32();
var textureNameMap = new Dictionary <int, string>();
var textureIndexLookup = new Dictionary <string, int>();
for (var i = 0; i < textureCount; ++i)
{
var textureName = ReadString() ?? string.Empty;
textureNameMap[i] = textureName;
textureIndexLookup[textureName] = i;
}
textureNameMap[-1] = string.Empty;
TextureNameMap = textureNameMap;
TextureIndexLookup = textureIndexLookup;
}
void ReadMaterialInfo()
{
var materialCount = _reader.ReadInt32();
var materials = new PmxMaterial[materialCount];
for (var i = 0; i < materialCount; ++i)
{
materials[i] = ReadPmxMaterial();
}
model.Materials = materials;
}
void ReadBoneInfo()
{
var boneCount = _reader.ReadInt32();
var bones = new PmxBone[boneCount];
for (var i = 0; i < boneCount; ++i)
{
bones[i] = ReadPmxBone();
bones[i].BoneIndex = i;
}
model.Bones = bones;
model.BonesDictionary = bones.ToDictionary(bone => bone.Name);
var rootBoneIndexList = new List <int>();
for (var i = 0; i < bones.Length; ++i)
{
var bone = bones[i];
if (bone.ParentIndex < 0)
{
rootBoneIndexList.Add(i);
}
else
{
bone.Parent = bones[bone.ParentIndex];
}
if (bone.AppendParentIndex >= 0)
{
bone.AppendParent = bones[bone.AppendParentIndex];
}
if (bone.ExternalParentIndex >= 0)
{
bone.ExternalParent = bones[bone.ExternalParentIndex];
}
if (bone.HasFlag(BoneFlags.IK))
{
var ik = bone.IK;
Debug.Assert(ik != null, nameof(ik) + " != null");
ik.TargetBone = bones[ik.TargetBoneIndex];
foreach (var link in ik.Links)
{
if (link.BoneIndex >= 0)
{
link.Bone = bones[link.BoneIndex];
}
}
}
}
model.RootBoneIndices = rootBoneIndexList.ToArray();
foreach (var bone in bones)
{
bone.SetToBindingPose();
}
}
void ReadMorphInfo()
{
var morphCount = _reader.ReadInt32();
var morphs = new PmxMorph[morphCount];
for (var i = 0; i < morphCount; ++i)
{
morphs[i] = ReadPmxMorph();
}
model.Morphs = morphs;
}
void ReadNodeInfo()
{
var nodeCount = _reader.ReadInt32();
var nodes = new PmxNode[nodeCount];
for (var i = 0; i < nodeCount; ++i)
{
var node = ReadPmxNode();
nodes[i] = node;
if (node.IsSystemNode)
{
if (node.Name == "Root")
{
model.RootNodeIndex = i;
}
else if (node.Name == "表情")
{
model.FacialExpressionNodeIndex = i;
}
}
}
model.Nodes = nodes;
}
void ReadRigidBodyInfo()
{
var bodyCount = _reader.ReadInt32();
var bodies = new PmxRigidBody[bodyCount];
for (var i = 0; i < bodyCount; ++i)
{
bodies[i] = ReadPmxRigidBody();
}
model.RigidBodies = bodies;
}
void ReadJointInfo()
{
var jointCount = _reader.ReadInt32();
var joints = new PmxJoint[jointCount];
for (var i = 0; i < jointCount; ++i)
{
joints[i] = ReadPmxJoint();
}
model.Joints = joints;
}
void ReadSoftBodyInfo()
{
if (DetailedVersion < 2.1f)
{
return;
}
var bodyCount = _reader.ReadInt32();
var bodies = new PmxSoftBody[bodyCount];
for (var i = 0; i < bodyCount; ++i)
{
bodies[i] = ReadPmxSoftBody();
}
model.SoftBodies = bodies;
}
}