private static void ReadRigidBodies(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var rigidBodyNum = reader.ReadInt32();
model.Rigidbodies = new MMDRigidBody[rigidBodyNum];
for (var i = 0; i < rigidBodyNum; ++i)
{
var rigidBody = new MMDRigidBody
{
Name = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
AssociatedBoneIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize),
CollisionGroup = reader.ReadByte(),
CollisionMask = reader.ReadUInt16(),
Shape = (MMDRigidBody.RigidBodyShape)reader.ReadByte(),
Dimemsions = MMDReaderUtil.ReadRawCoordinateVector3(reader),
Position = MMDReaderUtil.ReadVector3(reader),
Rotation = MMDReaderUtil.ReadAmpVector3(reader, Mathf.Rad2Deg),
Mass = reader.ReadSingle(),
TranslateDamp = reader.ReadSingle(),
RotateDamp = reader.ReadSingle(),
Restitution = reader.ReadSingle(),
Friction = reader.ReadSingle(),
Type = (MMDRigidBody.RigidBodyType)reader.ReadByte()
};
model.Rigidbodies[i] = rigidBody;
}
}
//unused data
/// <summary>
/// 作者写了一个没有用的标签
/// </summary>
/// <param name="reader"></param>
/// <param name="pmxConfig"></param>
private static void ReadEntries(BinaryReader reader, PmxConfig pmxConfig)
{
//OYM：注意,这是个void方法...作者把所有的数据都丢了23333
var entryItemNum = reader.ReadInt32();
for (var i = 0; i < entryItemNum; ++i)
{
MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding); //entryItemName
MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding); //entryItemNameEn
reader.ReadByte(); //isSpecial
var elementNum = reader.ReadInt32();
for (var j = 0; j < elementNum; ++j)
{
var isMorph = reader.ReadByte() == 1;
if (isMorph)
{
MmdReaderUtil.ReadIndex(reader, pmxConfig.MorphIndexSize); //morphIndex
}
else
{
MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize); //boneIndex
}
}
}
}
private static void ReadVertices(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var vertexNum = reader.ReadInt32();
model.Vertices = new Vertex[vertexNum];
for (uint i = 0; i < vertexNum; ++i)
{
var vertex = ReadVertex(reader, pmxConfig);
model.Vertices[i] = vertex;
}
}
/// <summary>
/// 一个读取顶点数目的方法
/// </summary>
/// <param name="reader"></param>
/// <param name="model"></param>
/// <param name="pmxConfig"></param>
private static void ReadVertices(BinaryReader reader, MmdModel model, PmxConfig pmxConfig)
{
//OYM：不啰嗦了
var vertexNum = reader.ReadInt32();
model.Vertices = new Vertex[vertexNum];
for (uint i = 0; i < vertexNum; ++i)
{
var vertex = ReadVertex(reader, pmxConfig); //OYM：对一个顶点进行数据提取
model.Vertices[i] = vertex; //OYM：赋值
}
}
private static MMDTexture[] ReadTextureList(BinaryReader reader, PmxConfig pmxConfig)
{
var textureNum = reader.ReadInt32();
var textureList = new MMDTexture[textureNum];
for (var i = 0; i < textureNum; ++i)
{
var texturePathEncoding = pmxConfig.Utf8Encoding ? Encoding.UTF8 : Encoding.Unicode;
var texturePath = MMDReaderUtil.ReadSizedString(reader, texturePathEncoding);
textureList[i] = new MMDTexture(texturePath);
}
return(textureList);
}
private static void ReadTriangles(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var triangleIndexCount = reader.ReadInt32();
model.TriangleIndexes = new int[triangleIndexCount];
if (triangleIndexCount % 3 != 0)
{
throw new MMDFileParseException("triangle index count " + triangleIndexCount + " is not multiple of 3");
}
for (var i = 0; i < triangleIndexCount; ++i)
{
model.TriangleIndexes[i] = MMDReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize);
}
}
/// <summary>
/// 读取三角形数目
/// </summary>
/// <param name="reader"></param>
/// <param name="model"></param>
/// <param name="pmxConfig"></param>
private static void ReadTriangles(BinaryReader reader, MmdModel model, PmxConfig pmxConfig)
{
var triangleIndexCount = reader.ReadInt32();
model.TriangleIndexes = new int[triangleIndexCount];
if (triangleIndexCount % 3 != 0)//OYM：如果不是三的整数倍就报错(这样子就代表肯定有个三角形的数据丢失了)
{
throw new MmdFileParseException("triangle index count " + triangleIndexCount + " is not multiple of 3");
}
for (var i = 0; i < triangleIndexCount; ++i)
{
model.TriangleIndexes[i] = MmdReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize);//OYM：读取三角形,注意三角形是根据顶点的序号数目生成的
}
}
private static PmxConfig ReadPmxConfig(BinaryReader reader, RawMMDModel model)
{
var pmxConfig = new PmxConfig();
pmxConfig.Utf8Encoding = reader.ReadByte() != 0;
pmxConfig.ExtraUvNumber = reader.ReadSByte();
pmxConfig.VertexIndexSize = reader.ReadSByte();
pmxConfig.TextureIndexSize = reader.ReadSByte();
pmxConfig.MaterialIndexSize = reader.ReadSByte();
pmxConfig.BoneIndexSize = reader.ReadSByte();
pmxConfig.MorphIndexSize = reader.ReadSByte();
pmxConfig.RigidBodyIndexSize = reader.ReadSByte();
model.ExtraUvNumber = pmxConfig.ExtraUvNumber;
pmxConfig.Encoding = pmxConfig.Utf8Encoding ? Encoding.UTF8 : Encoding.Unicode;
return(pmxConfig);
}
private static PmxConfig ReadPmxConfig(BinaryReader reader, MmdModel model)
{
//https://www.cnblogs.com/tanding/archive/2012/07/02/2572702.html
//OYM：下面一摞方法都是读取一个字节,从0-256到-128-128的方法都有.
var pmxConfig = new PmxConfig();
pmxConfig.Utf8Encoding = reader.ReadByte() != 0; //OYM：是否是UTF8
pmxConfig.ExtraUvNumber = reader.ReadSByte(); //OYM：UV数量
pmxConfig.VertexIndexSize = reader.ReadSByte(); //OYM：不知道
pmxConfig.TextureIndexSize = reader.ReadSByte(); //OYM：不知道
pmxConfig.MaterialIndexSize = reader.ReadSByte(); //OYM：不知道,下面都不知道,懒得写了
pmxConfig.BoneIndexSize = reader.ReadSByte();
pmxConfig.MorphIndexSize = reader.ReadSByte();
pmxConfig.RigidBodyIndexSize = reader.ReadSByte();
model.ExtraUvNumber = pmxConfig.ExtraUvNumber;
pmxConfig.Encoding = pmxConfig.Utf8Encoding ? Encoding.UTF8 : Encoding.Unicode;
return(pmxConfig);
}
private static void ReadJoints(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var constraintNum = reader.ReadInt32();
model.Joints = new Model.Joint[constraintNum];
for (var i = 0; i < constraintNum; ++i)
{
var joint = new Model.Joint
{
Name = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding)
};
var dofType = reader.ReadByte();
if (dofType == 0)
{
joint.AssociatedRigidBodyIndex[0] =
MMDReaderUtil.ReadIndex(reader, pmxConfig.RigidBodyIndexSize);
joint.AssociatedRigidBodyIndex[1] =
MMDReaderUtil.ReadIndex(reader, pmxConfig.RigidBodyIndexSize);
joint.Position = MMDReaderUtil.ReadVector3(reader);
joint.Rotation = MMDReaderUtil.ReadAmpVector3(reader, Mathf.Rad2Deg);
joint.PositionLowLimit = MMDReaderUtil.ReadVector3(reader);
joint.PositionHiLimit = MMDReaderUtil.ReadVector3(reader);
joint.RotationLowLimit = MMDReaderUtil.ReadVector3(reader);
joint.RotationHiLimit = MMDReaderUtil.ReadVector3(reader);
joint.SpringTranslate = MMDReaderUtil.ReadVector3(reader);
joint.SpringRotate = MMDReaderUtil.ReadVector3(reader);
}
else
{
throw new MMDFileParseException("Only 6DOF spring joints are supported.");
}
model.Joints[i] = joint;
}
}
private static void ReadMorphs(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var morphNum = reader.ReadInt32();
int?baseMorphIndex = null;
model.Morphs = new Morph[morphNum];
for (var i = 0; i < morphNum; ++i)
{
var morph = new Morph
{
Name = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
Category = (Morph.MorphCategory)reader.ReadByte()
};
if (morph.Category == Morph.MorphCategory.MorphCatSystem)
{
baseMorphIndex = i;
}
morph.Type = (Morph.MorphType)reader.ReadByte();
var morphDataNum = reader.ReadInt32();
morph.MorphDatas = new Morph.MorphData[morphDataNum];
switch (morph.Type)
{
case Morph.MorphType.MorphTypeGroup:
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.GroupMorphData
{
MorphIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.MorphIndexSize),
MorphRate = reader.ReadSingle()
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeVertex:
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.VertexMorphData
{
VertexIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize),
Offset = MMDReaderUtil.ReadVector3(reader)
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeBone:
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.BoneMorphData
{
BoneIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize),
Translation = MMDReaderUtil.ReadVector3(reader),
Rotation = MMDReaderUtil.ReadQuaternion(reader)
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeUv:
case Morph.MorphType.MorphTypeExtUv1:
case Morph.MorphType.MorphTypeExtUv2:
case Morph.MorphType.MorphTypeExtUv3:
case Morph.MorphType.MorphTypeExtUv4:
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.UvMorphData
{
VertexIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize),
Offset = MMDReaderUtil.ReadVector4(reader)
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeMaterial:
for (var j = 0; j < morphDataNum; j++)
{
var morphData = new Morph.MaterialMorphData();
var mmIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.MaterialIndexSize);
if (mmIndex < model.Parts.Length && mmIndex > 0) //TODO mmdlib的代码里是和bone数比较。确认这个逻辑
{
morphData.MaterialIndex = mmIndex;
morphData.Global = false;
}
else
{
morphData.MaterialIndex = 0;
morphData.Global = true;
}
morphData.Method = (Morph.MaterialMorphData.MaterialMorphMethod)reader.ReadByte();
morphData.Diffuse = MMDReaderUtil.ReadColor(reader, true);
morphData.Specular = MMDReaderUtil.ReadColor(reader, false);
morphData.Shiness = reader.ReadSingle();
morphData.Ambient = MMDReaderUtil.ReadColor(reader, false);
morphData.EdgeColor = MMDReaderUtil.ReadColor(reader, true);
morphData.EdgeSize = reader.ReadSingle();
morphData.Texture = MMDReaderUtil.ReadVector4(reader);
morphData.SubTexture = MMDReaderUtil.ReadVector4(reader);
morphData.ToonTexture = MMDReaderUtil.ReadVector4(reader);
morph.MorphDatas[j] = morphData;
}
break;
default:
throw new MMDFileParseException("invalid morph type " + morph.Type);
}
if (baseMorphIndex != null)
{
//TODO rectify system-reserved category
}
model.Morphs[i] = morph;
}
}
private static Vertex ReadVertex(BinaryReader reader, PmxConfig pmxConfig)
{
var pv = ReadVertexBasic(reader);
var vertex = new Vertex
{
Coordinate = pv.Coordinate,
Normal = pv.Normal,
UvCoordinate = pv.UvCoordinate
};
if (pmxConfig.ExtraUvNumber > 0)
{
var extraUv = new Vector4[pmxConfig.ExtraUvNumber];
for (var ei = 0; ei < pmxConfig.ExtraUvNumber; ++ei)
{
extraUv[ei] = MMDReaderUtil.ReadVector4(reader);
}
vertex.ExtraUvCoordinate = extraUv;
}
var op = new SkinningOperator();
var skinningType = (SkinningOperator.SkinningType)reader.ReadByte();
op.Type = skinningType;
switch (skinningType)
{
case SkinningOperator.SkinningType.SkinningBdef1:
var bdef1 = new SkinningOperator.Bdef1();
bdef1.BoneId = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
op.Param = bdef1;
break;
case SkinningOperator.SkinningType.SkinningBdef2:
var bdef2 = new SkinningOperator.Bdef2();
bdef2.BoneId[0] = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bdef2.BoneId[1] = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bdef2.BoneWeight = reader.ReadSingle();
op.Param = bdef2;
break;
case SkinningOperator.SkinningType.SkinningBdef4:
var bdef4 = new SkinningOperator.Bdef4();
for (var j = 0; j < 4; ++j)
{
bdef4.BoneId[j] = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
}
for (var j = 0; j < 4; ++j)
{
bdef4.BoneWeight[j] = reader.ReadSingle();
}
op.Param = bdef4;
break;
case SkinningOperator.SkinningType.SkinningSdef:
var sdef = new SkinningOperator.Sdef();
sdef.BoneId[0] = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
sdef.BoneId[1] = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
sdef.BoneWeight = reader.ReadSingle();
sdef.C = MMDReaderUtil.ReadVector3(reader);
sdef.R0 = MMDReaderUtil.ReadVector3(reader);
sdef.R1 = MMDReaderUtil.ReadVector3(reader);
op.Param = sdef;
break;
default:
throw new MMDFileParseException("invalid skinning type: " + skinningType);
}
vertex.SkinningOperator = op;
vertex.EdgeScale = reader.ReadSingle();
return(vertex);
}
private static void ReadModelNameAndDescription(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
model.Name = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.NameEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.Description = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.DescriptionEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
}
/// <summary>
/// 读取骨骼数目
/// </summary>
/// <param name="reader"></param>
/// <param name="model"></param>
/// <param name="pmxConfig"></param>
private static void ReadBones(BinaryReader reader, MmdModel model, PmxConfig pmxConfig)
{
var boneNum = reader.ReadInt32();//OYM：获取骨骼数目
model.Bones = new Bone[boneNum];
for (var i = 0; i < boneNum; ++i)
{
var bone = new Bone
{
Name = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
Position = MmdReaderUtil.ReadVector3(reader)
};
var parentIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);//OYM：获取父骨骼的序号
if (parentIndex < boneNum && parentIndex >= 0)
{
bone.ParentIndex = parentIndex;
}
else
{
bone.ParentIndex = -1;
}
bone.TransformLevel = reader.ReadInt32();//OYM：不知道
//下面一排位运算,跳过
var flag = reader.ReadUInt16();
bone.ChildBoneVal.ChildUseId = (flag & PmxBoneFlags.PmxBoneChildUseId) != 0;
bone.Rotatable = (flag & PmxBoneFlags.PmxBoneRotatable) != 0;
bone.Movable = (flag & PmxBoneFlags.PmxBoneMovable) != 0;
bone.Visible = (flag & PmxBoneFlags.PmxBoneVisible) != 0;
bone.Controllable = (flag & PmxBoneFlags.PmxBoneControllable) != 0;
bone.HasIk = (flag & PmxBoneFlags.PmxBoneHasIk) != 0;
bone.AppendRotate = (flag & PmxBoneFlags.PmxBoneAcquireRotate) != 0;
bone.AppendTranslate = (flag & PmxBoneFlags.PmxBoneAcquireTranslate) != 0;
bone.RotAxisFixed = (flag & PmxBoneFlags.PmxBoneRotAxisFixed) != 0;
bone.UseLocalAxis = (flag & PmxBoneFlags.PmxBoneUseLocalAxis) != 0;
bone.PostPhysics = (flag & PmxBoneFlags.PmxBonePostPhysics) != 0;
bone.ReceiveTransform = (flag & PmxBoneFlags.PmxBoneReceiveTransform) != 0;
if (bone.ChildBoneVal.ChildUseId)
{
bone.ChildBoneVal.Index = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
}
else
{
bone.ChildBoneVal.Offset = MmdReaderUtil.ReadVector3(reader);
}
if (bone.RotAxisFixed)//OYM：旋转角固定?
{
bone.RotAxis = MmdReaderUtil.ReadVector3(reader);
}
if (bone.AppendRotate || bone.AppendTranslate)//OYM：看不懂,告辞
{
bone.AppendBoneVal.Index = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bone.AppendBoneVal.Ratio = reader.ReadSingle();
}
if (bone.UseLocalAxis)//OYM：使用本地坐标
{
Vector3 localX = MmdReaderUtil.ReadVector3(reader);
Vector3 localZ = MmdReaderUtil.ReadVector3(reader);
Vector3 localY = Vector3.Cross(localX, localZ); //OYM：差积出来你也太懒了吧
localZ = Vector3.Cross(localX, localY); //OYM：再差积一次防止坐标轴反了?
localX.Normalize();
localY.Normalize();
localZ.Normalize();
bone.LocalAxisVal.AxisX = localX;
bone.LocalAxisVal.AxisY = localY;
bone.LocalAxisVal.AxisZ = localZ;
}
if (bone.ReceiveTransform)
{
bone.ExportKey = reader.ReadInt32();
}
if (bone.HasIk)
{
ReadBoneIk(reader, bone, pmxConfig.BoneIndexSize);//OYM：来看看别人IK怎么描述位置的
}
model.Bones[i] = bone;
}
}
private static void ReadModelNameAndDescription(BinaryReader reader, MmdModel model, PmxConfig pmxConfig)
{
//OYM：一堆读取信息,没什么好看的
model.Name = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.NameEn = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.Description = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
model.DescriptionEn = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding);
}
/// <summary>
/// 关键部分
/// </summary>
/// <param name="reader"></param>
/// <param name="pmxConfig"></param>
/// <returns></returns>
private static Vertex ReadVertex(BinaryReader reader, PmxConfig pmxConfig)
{
var pv = ReadVertexBasic(reader);
//new一个顶点,赋值
var vertex = new Vertex
{
Coordinate = pv.Coordinate,
Normal = pv.Normal,
UvCoordinate = pv.UvCoordinate
};
//OYM：如果有额外的uv(在底层设置那里)
//OYM：也不知道到底有什么用...
if (pmxConfig.ExtraUvNumber > 0)
{
var extraUv = new Vector4[pmxConfig.ExtraUvNumber];
for (var ei = 0; ei < pmxConfig.ExtraUvNumber; ++ei)
{
extraUv[ei] = MmdReaderUtil.ReadVector4(reader);
}
vertex.ExtraUvCoordinate = extraUv;
}
var op = new SkinningOperator();
var skinningType = (SkinningOperator.SkinningType)reader.ReadByte(); //OYM：蒙皮种类
op.Type = skinningType; //OYM：看不懂就完事了
switch (skinningType) //OYM：应该是权重没跑了
{
case SkinningOperator.SkinningType.SkinningBdef1:
var bdef1 = new SkinningOperator.Bdef1(); //OYM：注意这里用了父类可以为任意形式子类的方法,很模糊但是还是要好好学
bdef1.BoneId = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
op.Param = bdef1;
break;
case SkinningOperator.SkinningType.SkinningBdef2:
var bdef2 = new SkinningOperator.Bdef2();
bdef2.BoneId[0] = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bdef2.BoneId[1] = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bdef2.BoneWeight = reader.ReadSingle();
op.Param = bdef2;
break;
case SkinningOperator.SkinningType.SkinningBdef4:
var bdef4 = new SkinningOperator.Bdef4();
for (var j = 0; j < 4; ++j)
{
bdef4.BoneId[j] = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
}
for (var j = 0; j < 4; ++j)
{
bdef4.BoneWeight[j] = reader.ReadSingle();
}
op.Param = bdef4;
break;
case SkinningOperator.SkinningType.SkinningSdef: //OYM：这个猜不准,到时候再看
var sdef = new SkinningOperator.Sdef();
sdef.BoneId[0] = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
sdef.BoneId[1] = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
sdef.BoneWeight = reader.ReadSingle();
sdef.C = MmdReaderUtil.ReadVector3(reader);
sdef.R0 = MmdReaderUtil.ReadVector3(reader);
sdef.R1 = MmdReaderUtil.ReadVector3(reader);
op.Param = sdef;
break;
default:
throw new MmdFileParseException("invalid skinning type: " + skinningType);
}
vertex.SkinningOperator = op; //OYM：顶点的蒙皮操作
vertex.EdgeScale = reader.ReadSingle(); //OYM：这个实在猜不准,但是考虑到就一个单精度,猜一个倍率好了
return(vertex);
}
private static void ReadParts(BinaryReader reader, ModelReadConfig config, RawMMDModel model, PmxConfig pmxConfig, MMDTexture[] textureList)
{
var partNum = reader.ReadInt32();
var partBaseShift = 0;
model.Parts = new Part[partNum];
for (var i = 0; i < partNum; i++)
{
var part = new Part();
var material = ReadMaterial(reader, config, pmxConfig.Encoding, pmxConfig.TextureIndexSize, textureList);
part.Material = material;
var partTriangleIndexNum = reader.ReadInt32();
if (partTriangleIndexNum % 3 != 0)
{
throw new MMDFileParseException("part" + i + " triangle index count " + partTriangleIndexNum +
" is not multiple of 3");
}
part.BaseShift = partBaseShift;
part.TriangleIndexNum = partTriangleIndexNum;
partBaseShift += partTriangleIndexNum;
model.Parts[i] = part;
}
}
private static void ReadBones(BinaryReader reader, RawMMDModel model, PmxConfig pmxConfig)
{
var boneNum = reader.ReadInt32();
model.Bones = new Bone[boneNum];
for (var i = 0; i < boneNum; ++i)
{
var bone = new Bone
{
Name = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MMDReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
Position = MMDReaderUtil.ReadVector3(reader)
};
var parentIndex = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
if (parentIndex < boneNum && parentIndex >= 0)
{
bone.ParentIndex = parentIndex;
}
else
{
bone.ParentIndex = -1;
}
bone.TransformLevel = reader.ReadInt32();
var flag = reader.ReadUInt16();
bone.ChildBoneVal.ChildUseId = (flag & PmxBoneFlags.PmxBoneChildUseId) != 0;
bone.Rotatable = (flag & PmxBoneFlags.PmxBoneRotatable) != 0;
bone.Movable = (flag & PmxBoneFlags.PmxBoneMovable) != 0;
bone.Visible = (flag & PmxBoneFlags.PmxBoneVisible) != 0;
bone.Controllable = (flag & PmxBoneFlags.PmxBoneControllable) != 0;
bone.HasIk = (flag & PmxBoneFlags.PmxBoneHasIk) != 0;
bone.AppendRotate = (flag & PmxBoneFlags.PmxBoneAcquireRotate) != 0;
bone.AppendTranslate = (flag & PmxBoneFlags.PmxBoneAcquireTranslate) != 0;
bone.RotAxisFixed = (flag & PmxBoneFlags.PmxBoneRotAxisFixed) != 0;
bone.UseLocalAxis = (flag & PmxBoneFlags.PmxBoneUseLocalAxis) != 0;
bone.PostPhysics = (flag & PmxBoneFlags.PmxBonePostPhysics) != 0;
bone.ReceiveTransform = (flag & PmxBoneFlags.PmxBoneReceiveTransform) != 0;
if (bone.ChildBoneVal.ChildUseId)
{
bone.ChildBoneVal.Index = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
}
else
{
bone.ChildBoneVal.Offset = MMDReaderUtil.ReadVector3(reader);
}
if (bone.RotAxisFixed)
{
bone.RotAxis = MMDReaderUtil.ReadVector3(reader);
}
if (bone.AppendRotate || bone.AppendTranslate)
{
bone.AppendBoneVal.Index = MMDReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize);
bone.AppendBoneVal.Ratio = reader.ReadSingle();
}
if (bone.UseLocalAxis)
{
var localX = MMDReaderUtil.ReadVector3(reader);
var localZ = MMDReaderUtil.ReadVector3(reader);
var localY = Vector3.Cross(localX, localZ);
localZ = Vector3.Cross(localX, localY);
localX.Normalize();
localY.Normalize();
localZ.Normalize();
bone.LocalAxisVal.AxisX = localX;
bone.LocalAxisVal.AxisY = localY;
bone.LocalAxisVal.AxisZ = localZ;
}
if (bone.ReceiveTransform)
{
bone.ExportKey = reader.ReadInt32();
}
if (bone.HasIk)
{
ReadBoneIk(reader, bone, pmxConfig.BoneIndexSize);
}
model.Bones[i] = bone;
}
}
/// <summary>
/// 读取变形
/// </summary>
/// <param name="reader"></param>
/// <param name="model"></param>
/// <param name="pmxConfig"></param>
private static void ReadMorphs(BinaryReader reader, MmdModel model, PmxConfig pmxConfig)
{
var morphNum = reader.ReadInt32();//OYM：表情包数量
int?baseMorphIndex = null;
model.Morphs = new Morph[morphNum];
for (var i = 0; i < morphNum; ++i)
{
var morph = new Morph
{
Name = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
NameEn = MmdReaderUtil.ReadSizedString(reader, pmxConfig.Encoding),
Category = (Morph.MorphCategory)reader.ReadByte()
};
if (morph.Category == Morph.MorphCategory.MorphCatSystem)
{
baseMorphIndex = i;//OYM：这个就相当于是一个基类吧
}
morph.Type = (Morph.MorphType)reader.ReadByte(); //OYM：变形方式
var morphDataNum = reader.ReadInt32();
morph.MorphDatas = new Morph.MorphData[morphDataNum]; //OYM：获取表情变形的数据
switch (morph.Type)
{
case Morph.MorphType.MorphTypeGroup: //OYM：不知道干啥用的
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.GroupMorph
{
MorphIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.MorphIndexSize),
MorphRate = reader.ReadSingle()
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeVertex: //OYM：喜闻乐见的顶点变形
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.VertexMorph
{
VertexIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize), //OYM：顶点的序号
Offset = MmdReaderUtil.ReadVector3(reader) //OYM：偏移量
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeBone: //OYM：骨骼变形
for (var j = 0; j < morphDataNum; ++j)
{
var morphData =
new Morph.BoneMorph
{
BoneIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.BoneIndexSize), //OYM：骨骼序号
Translation = MmdReaderUtil.ReadVector3(reader), //OYM：移动方向
Rotation = MmdReaderUtil.ReadQuaternion(reader) //OYM：旋转方向
};
morph.MorphDatas[j] = morphData;
}
break;
//OYM：下面一堆case都是执行靠后面那个方法
case Morph.MorphType.MorphTypeUv:
case Morph.MorphType.MorphTypeExtUv1:
case Morph.MorphType.MorphTypeExtUv2:
case Morph.MorphType.MorphTypeExtUv3:
case Morph.MorphType.MorphTypeExtUv4:
for (var j = 0; j < morphDataNum; ++j)
{
//OYM：获取信息就完事了
var morphData =
new Morph.UvMorph
{
VertexIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.VertexIndexSize),
Offset = MmdReaderUtil.ReadVector4(reader)
};
morph.MorphDatas[j] = morphData;
}
break;
case Morph.MorphType.MorphTypeMaterial:
for (var j = 0; j < morphDataNum; j++)
{
var morphData = new Morph.MaterialMorph();
var mmIndex = MmdReaderUtil.ReadIndex(reader, pmxConfig.MaterialIndexSize);
//OYM：补一个,作者居然还顺便修复了一个bug23333
if (mmIndex < model.Parts.Length && mmIndex > 0) //TODO mmdlib的代码里是和bone数比较。确认这个逻辑
{
morphData.MaterialIndex = mmIndex;
morphData.Global = false;
}
else
{
morphData.MaterialIndex = 0;
morphData.Global = true;
}
morphData.Method = (Morph.MaterialMorph.MaterialMorphMethod)reader.ReadByte();
morphData.Diffuse = MmdReaderUtil.ReadColor(reader, true);
morphData.Specular = MmdReaderUtil.ReadColor(reader, false);
morphData.Shiness = reader.ReadSingle();
morphData.Ambient = MmdReaderUtil.ReadColor(reader, false);
morphData.EdgeColor = MmdReaderUtil.ReadColor(reader, true);
morphData.EdgeSize = reader.ReadSingle();
morphData.Texture = MmdReaderUtil.ReadVector4(reader);
morphData.SubTexture = MmdReaderUtil.ReadVector4(reader);
morphData.ToonTexture = MmdReaderUtil.ReadVector4(reader);
morph.MorphDatas[j] = morphData;
}
break;
default:
throw new MmdFileParseException("invalid morph type " + morph.Type);
}
if (baseMorphIndex != null)
{
//TODO rectify system-reserved category
//OYM：不清楚作者要干啥
}
model.Morphs[i] = morph;
}
}
