public static PmxDocument Parse(Stream stream)
{
// leave open
var br = new BinaryReader(stream);
var header = Encoding.ASCII.GetString(br.ReadBytes(4));
var rt = new PmxDocument();
if (header != "PMX ")
{
throw new InvalidOperationException("invalid format");
}
rt.Version = br.ReadSingle();
if (rt.Version != 2 &&
rt.Version != 2.1f)
{
throw new NotSupportedException("specified format version not supported");
}
rt.Header = PmxHeader.Parse(br);
rt.ModelInformation = PmxModelInformation.Parse(br, rt);
rt.Vertices = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxVertex.Parse(br, rt)).ToList();
rt.Indices = Enumerable.Range(0, br.ReadInt32()).Select(_ => rt.ReadIndex(br, PmxIndexKind.Vertex)).ToList();
rt.Textures = Enumerable.Range(0, br.ReadInt32()).Select(_ => rt.ReadString(br)).ToList();
rt.Materials = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxMaterial.Parse(br, rt)).ToList();
rt.Bones = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxBone.Parse(br, rt)).ToList();
rt.Morphs = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxMorph.Parse(br, rt)).ToList();
rt.DisplayList = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxDisplayList.Parse(br, rt)).ToList();
rt.Rigids = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxRigidBody.Parse(br, rt)).ToList();
rt.Constraints = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxConstraint.Parse(br, rt)).ToList();
if (rt.Version > 2)
{
rt.SoftBodies = Enumerable.Range(0, br.ReadInt32()).Select(_ => PmxSoftBody.Parse(br, rt)).ToList();
}
return(rt);
}
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;
}
}
private PmxSoftBody ReadPmxSoftBody()
{
var body = new PmxSoftBody();
body.Name = ReadString() ?? string.Empty;
body.NameEnglish = ReadString() ?? string.Empty;
body.Shape = (SoftBodyShape)_reader.ReadByte(); // TODO: Signed? Unsigned?
body.MaterialIndex = _reader.ReadVarLenIntAsInt32(MaterialElementSize);
body.GroupIndex = _reader.ReadByte(); // TODO: Signed? Unsigned?
var bits = _reader.ReadUInt16();
var passGroup = PmxBodyPassGroup.FromFlagBits(bits);
body.PassGroup = passGroup;
body.Flags = (SoftBodyFlags)_reader.ReadByte();
body.BendingLinkDistance = _reader.ReadInt32();
body.ClusterCount = _reader.ReadInt32();
body.TotalMass = _reader.ReadSingle();
body.Margin = _reader.ReadSingle();
var config = body.Config;
config.AeroModel = _reader.ReadInt32();
config.VCF = _reader.ReadSingle();
config.DP = _reader.ReadSingle();
config.DG = _reader.ReadSingle();
config.LF = _reader.ReadSingle();
config.PR = _reader.ReadSingle();
config.VC = _reader.ReadSingle();
config.DF = _reader.ReadSingle();
config.MT = _reader.ReadSingle();
config.CHR = _reader.ReadSingle();
config.KHR = _reader.ReadSingle();
config.SHR = _reader.ReadSingle();
config.AHR = _reader.ReadSingle();
config.SRHR_CL = _reader.ReadSingle();
config.SKHR_CL = _reader.ReadSingle();
config.SSHR_CL = _reader.ReadSingle();
config.SR_SPLT_CL = _reader.ReadSingle();
config.SK_SPLT_CL = _reader.ReadSingle();
config.SS_SPLT_CL = _reader.ReadSingle();
config.V_IT = _reader.ReadInt32();
config.P_IT = _reader.ReadInt32();
config.D_IT = _reader.ReadInt32();
config.C_IT = _reader.ReadInt32();
var matCfg = body.MaterialConfig;
matCfg.LST = _reader.ReadSingle();
matCfg.AST = _reader.ReadSingle();
matCfg.VST = _reader.ReadSingle();
var bodyAnchorCount = _reader.ReadInt32();
var bodyAnchors = new BodyAnchor[bodyAnchorCount];
for (var i = 0; i < bodyAnchorCount; ++i)
{
bodyAnchors[i] = ReadBodyAnchor();
}
body.BodyAnchors = bodyAnchors.Distinct().ToArray();
var vertexPinCount = _reader.ReadInt32();
var vertexPins = new VertexPin[vertexPinCount];
for (var i = 0; i < vertexPinCount; ++i)
{
vertexPins[i] = ReadVertexPin();
}
body.VertexPins = vertexPins.Distinct().ToArray();
return(body);
}
private void WritePmxSoftBody([NotNull] PmxSoftBody body)
{
WriteString(body.Name);
WriteString(body.NameEnglish);
_writer.Write((byte)body.Shape);
_writer.WriteInt32AsVarLenInt(body.MaterialIndex, MaterialElementSize);
_writer.Write((byte)body.GroupIndex);
_writer.Write(body.PassGroup.ToFlagBits());
_writer.Write((byte)body.Flags);
_writer.Write(body.BendingLinkDistance);
_writer.Write(body.ClusterCount);
_writer.Write(body.TotalMass);
_writer.Write(body.Margin);
var config = body.Config;
_writer.Write(config.AeroModel);
_writer.Write(config.VCF);
_writer.Write(config.DP);
_writer.Write(config.DG);
_writer.Write(config.LF);
_writer.Write(config.PR);
_writer.Write(config.VC);
_writer.Write(config.DF);
_writer.Write(config.MT);
_writer.Write(config.CHR);
_writer.Write(config.KHR);
_writer.Write(config.SHR);
_writer.Write(config.AHR);
_writer.Write(config.SRHR_CL);
_writer.Write(config.SKHR_CL);
_writer.Write(config.SSHR_CL);
_writer.Write(config.SR_SPLT_CL);
_writer.Write(config.SK_SPLT_CL);
_writer.Write(config.SS_SPLT_CL);
_writer.Write(config.V_IT);
_writer.Write(config.P_IT);
_writer.Write(config.D_IT);
_writer.Write(config.C_IT);
var matCfg = body.MaterialConfig;
_writer.Write(matCfg.LST);
_writer.Write(matCfg.AST);
_writer.Write(matCfg.VST);
_writer.Write(body.BodyAnchors.Length);
foreach (var anchor in body.BodyAnchors)
{
WriteBodyAnchor(anchor);
}
_writer.Write(body.VertexPins.Length);
foreach (var pin in body.VertexPins)
{
WriteVertexPin(pin);
}
}