private static void ParseJoints(BinaryReader reader, PmxModel pmx)
{
var jointCount = reader.ReadInt32();
pmx.Joints = new List <PmxJoint>();
for (var i = 0; i < jointCount; i++)
{
pmx.Joints.Add(new PmxJoint()
{
NameLocal = reader.ReadLPString(pmx.Globals.TextEncoding),
NameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding),
JointType = reader.ReadEnum <PmxJointType>(),
RigidBodyIndexA = reader.ReadVarInt(pmx.Globals.RigidBodyIndexSize),
RigidBodyIndexB = reader.ReadVarInt(pmx.Globals.RigidBodyIndexSize),
Position = reader.ReadStruct <Vec3f>(),
Rotation = reader.ReadStruct <Vec3f>(),
PositionMinimum = reader.ReadStruct <Vec3f>(),
PositionMaximum = reader.ReadStruct <Vec3f>(),
RotationMinimum = reader.ReadStruct <Vec3f>(),
RotationMaximum = reader.ReadStruct <Vec3f>(),
PositionSpring = reader.ReadStruct <Vec3f>(),
RotationSpring = reader.ReadStruct <Vec3f>()
});
}
}
private static void ParseSoftBodies(BinaryReader reader, PmxModel pmx)
{
var softBodyCount = reader.ReadInt32();
pmx.SoftBodies = new List <PmxSoftBody>();
for (var i = 0; i < softBodyCount; i++)
{
int anchorRigidBodyCount, vertexPinCount;
pmx.SoftBodies.Add(new PmxSoftBody()
{
NameLocal = reader.ReadLPString(pmx.Globals.TextEncoding),
NameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding),
ShapeType = reader.ReadEnum <PmxSoftBodyShapeType>(),
GroupId = reader.ReadByte(),
NoCollisionMask = reader.ReadUInt16(),
Bullet3DData = reader.ReadStruct <PmxSoftBodyBullet3dData>(),
AnchorRigidBodyCount = anchorRigidBodyCount = reader.ReadInt32(),
AnchorRigidBodies = Enumerable.Range(0, anchorRigidBodyCount).Select(_ => new PmxSoftBodyAnchorRigidBody()
{
RigidBodyIndex = reader.ReadVarInt(pmx.Globals.RigidBodyIndexSize),
VertexIndex = reader.ReadVarInt(pmx.Globals.VertexIndexSize, true),
NearMode = reader.ReadByte()
}).ToList(),
VertexPintCount = vertexPinCount = reader.ReadInt32(),
VertexPins = Enumerable.Range(0, anchorRigidBodyCount).Select(_ => new PmxSoftBodyVertexPin()
{
VertexIndex = reader.ReadVarInt(pmx.Globals.VertexIndexSize, true),
}).ToList()
});
}
}
private static void ParseMaterials(BinaryReader reader, PmxModel pmx)
{
var materialsCount = reader.ReadInt32();
var encoding = pmx.Globals.TextEncoding;
pmx.Materials = new List <PmxMaterial>();
for (var i = 0; i < materialsCount; i++)
{
var material = new PmxMaterial();
material.NameLocal = reader.ReadLPString(encoding);
material.NameUniversal = reader.ReadLPString(encoding);
material.DiffuseColor = reader.ReadStruct <Vec4f>();
material.SpecularColor = reader.ReadStruct <Vec3f>();
material.SpecularStrength = reader.ReadSingle();
material.AmbientColor = reader.ReadStruct <Vec3f>();
material.DrawingFlags = reader.ReadEnum <PmxMaterialFlags>();
material.EdgeColor = reader.ReadStruct <Vec4f>();
material.EdgeScale = reader.ReadSingle();
material.TextureIndex = reader.ReadVarInt(pmx.Globals.TextureIndexSize);
material.EnvironmentIndex = reader.ReadVarInt(pmx.Globals.TextureIndexSize);
material.EnvironmentBlendMode = reader.ReadEnum <EnvironmentBlendMode>();
material.ToonReference = reader.ReadEnum <ToonReference>();
material.ToonValue = material.ToonReference == ToonReference.Internal
? reader.ReadByte()
: reader.ReadVarInt(pmx.Globals.TextureIndexSize);
material.MetaData = reader.ReadLPString(pmx.Globals.TextEncoding);
material.IndexCount = reader.ReadInt32();
pmx.Materials.Add(material);
}
}
private static void ParseRigidBodies(BinaryReader reader, PmxModel pmx)
{
var rigidBodyCount = reader.ReadInt32();
pmx.RigidBodies = new List <PmxRigidBody>();
for (var i = 0; i < rigidBodyCount; i++)
{
pmx.RigidBodies.Add(new PmxRigidBody()
{
NameLocal = reader.ReadLPString(pmx.Globals.TextEncoding),
NameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding),
RelatedBoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize),
GroupId = reader.ReadByte(),
NonCollisionMask = reader.ReadUInt16(),
Shape = reader.ReadEnum <PmxRigidBodyShapeType>(),
ShapeSize = reader.ReadStruct <Vec3f>(),
ShapePosition = reader.ReadStruct <Vec3f>(),
ShapeRotation = reader.ReadStruct <Vec3f>(),
Mass = reader.ReadSingle(),
MoveAttenuation = reader.ReadSingle(),
RotationDampening = reader.ReadSingle(),
Repulsion = reader.ReadSingle(),
FrictionForce = reader.ReadSingle(),
PhysicsMode = reader.ReadEnum <PmxRigidBodyPhysicsMode>()
});
}
}
private static void ParseTextures(BinaryReader reader, PmxModel pmx)
{
var textureCount = reader.ReadInt32();
var encoding = pmx.Globals.TextEncoding;
pmx.Textures = Enumerable.Range(0, textureCount).Select(i => reader.ReadLPString(encoding)).ToList();
}
private static void ParseVertexData(BinaryReader reader, PmxModel pmx)
{
var vertexCount = reader.ReadInt32();
pmx.Vertices = new List <PmxVertexData>();
int additionalVec4Count = pmx.Globals.AdditionalVec4Count;
for (var i = 0; i < vertexCount; i++)
{
var vertex = new PmxVertexData();
vertex.Position = reader.ReadStruct <Vec3f>();
vertex.Normal = reader.ReadStruct <Vec3f>();
vertex.UV = reader.ReadStruct <Vec2f>();
vertex.AdditionalVec4 = new Vec4f[pmx.Globals.AdditionalVec4Count];
for (var j = 0; j < additionalVec4Count; j++)
{
vertex.AdditionalVec4[j] = reader.ReadStruct <Vec4f>();
}
vertex.DeformType = reader.ReadEnum <BoneWeightDeformType>();
switch (vertex.DeformType)
{
case BoneWeightDeformType.BDEF1:
vertex.DeformData = BDEF1.Read(reader, pmx.Globals);
break;
case BoneWeightDeformType.BDEF2:
vertex.DeformData = BDEF2.Read(reader, pmx.Globals);
break;
case BoneWeightDeformType.BDEF4:
vertex.DeformData = BDEF4.Read(reader, pmx.Globals);
break;
case BoneWeightDeformType.SDEF:
vertex.DeformData = SDEF.Read(reader, pmx.Globals);
break;
case BoneWeightDeformType.QDEF:
vertex.DeformData = QDEF.Read(reader, pmx.Globals);
break;
default:
throw new LibMMDParserException($"Unknown deform type: {vertex.DeformType}");
}
vertex.EdgeScale = reader.ReadSingle();
pmx.Vertices.Add(vertex);
}
}
private static void ParseDisplayData(BinaryReader reader, PmxModel pmx)
{
var displayDataCount = reader.ReadInt32();
pmx.DisplayData = new List <PmxDisplayData>();
for (var i = 0; i < displayDataCount; i++)
{
var frameCount = 0;
var displayData = new PmxDisplayData()
{
NameLocal = reader.ReadLPString(pmx.Globals.TextEncoding),
NameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding),
IsSpecial = reader.ReadBoolean(),
FrameCount = frameCount = reader.ReadInt32(),
Frames = Enumerable.Range(0, frameCount).Select <int, FrameData>(_ =>
{
var type = reader.ReadEnum <PmxDisplayFrameType>();
switch (type)
{
case PmxDisplayFrameType.Bone:
return(new FrameData <BoneFrameData>()
{
FrameType = type,
Data = new BoneFrameData()
{
BoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize)
}
});
case PmxDisplayFrameType.Morph:
return(new FrameData <MorphFrameData>()
{
FrameType = type,
Data = new MorphFrameData()
{
MorphIndex = reader.ReadVarInt(pmx.Globals.MorphIndexSize)
}
});
default:
throw new LibMMDParserException($"Invalid DisplayFrameType {type}");
}
}).ToList()
};
}
}
private static void ParseModelInformation(BinaryReader reader, PmxModel pmx)
{
var magic = reader.ReadUInt32();
if (magic != PMX_MAGIC)
{
throw new LibMMDInvalidHeaderException("PMX magic mismatch");
}
pmx.Version = reader.ReadSingle();
var globalsCount = reader.ReadByte();
pmx.Globals = new PmxGlobalData(reader.ReadBytes(globalsCount).Extend(8));
var encoding = pmx.Globals.TextEncoding;
pmx.ModelNameLocal = reader.ReadLPString(encoding);
pmx.ModelNameUniversal = reader.ReadLPString(encoding);
pmx.ModelCommentsLocal = reader.ReadLPString(encoding);
pmx.ModelCommentsUniversal = reader.ReadLPString(encoding);
}
public static PmxModel Parse(BinaryReader reader)
{
var pmx = new PmxModel();
ParseModelInformation(reader, pmx);
ParseVertexData(reader, pmx);
ParseIndices(reader, pmx);
ParseTextures(reader, pmx);
ParseMaterials(reader, pmx);
ParseBones(reader, pmx);
ParseMorphs(reader, pmx);
ParseDisplayData(reader, pmx);
ParseRigidBodies(reader, pmx);
ParseJoints(reader, pmx);
if (pmx.Version > 2.0)
{
ParseSoftBodies(reader, pmx);
}
return(pmx);
}
private static void ParseIndices(BinaryReader reader, PmxModel pmx)
{
var indexCount = reader.ReadInt32();
pmx.Indices = new List <int>();
switch (pmx.Globals.VertexIndexSize)
{
case 1:
pmx.Indices = reader.ReadArray <byte>(indexCount).Select(x => (int)x).ToList();
break;
case 2:
pmx.Indices = reader.ReadArray <ushort>(indexCount).Select(x => (int)x).ToList();
break;
case 4:
pmx.Indices = reader.ReadArray <int>(indexCount).ToList();
break;
default:
throw new LibMMDParserException($"Unsupported vertex index size: {pmx.Globals.VertexIndexSize}");
}
}
private static void ParseMorphs(BinaryReader reader, PmxModel pmx)
{
var morphCount = reader.ReadInt32();
pmx.Morphs = new List <PmxMorph>();
for (var i = 0; i < morphCount; i++)
{
var morphNameLocal = reader.ReadLPString(pmx.Globals.TextEncoding);
var morphNameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding);
var panelType = reader.ReadByte();
var morphType = reader.ReadEnum <PmxMorphType>();
var morphDataCount = reader.ReadInt32();
switch (morphType)
{
case PmxMorphType.Group:
pmx.Morphs.Add(new PmxMorph <GroupMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new GroupMorph()
{
MorphIndex = reader.ReadVarInt(pmx.Globals.MorphIndexSize),
Influence = reader.ReadSingle()
}).ToList()
});
break;
case PmxMorphType.Vertex:
pmx.Morphs.Add(new PmxMorph <VertexMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new VertexMorph()
{
VertexIndex = reader.ReadVarInt(pmx.Globals.VertexIndexSize, true),
Translation = reader.ReadStruct <Vec3f>()
}).ToList()
});
break;
case PmxMorphType.Bone:
pmx.Morphs.Add(new PmxMorph <BoneMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new BoneMorph()
{
BoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize),
Translation = reader.ReadStruct <Vec3f>(),
Rotation = reader.ReadStruct <Vec4f>()
}).ToList()
});
break;
case PmxMorphType.UV:
case PmxMorphType.UVExt1:
case PmxMorphType.UVExt2:
case PmxMorphType.UVExt3:
case PmxMorphType.UVExt4:
pmx.Morphs.Add(new PmxMorph <UVMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new UVMorph()
{
VertexIndex = reader.ReadVarInt(pmx.Globals.VertexIndexSize, true),
Changes = reader.ReadStruct <Vec4f>()
}).ToList()
});
break;
case PmxMorphType.Material:
pmx.Morphs.Add(new PmxMorph <MaterialMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new MaterialMorph()
{
MaterialIndex = reader.ReadVarInt(pmx.Globals.MaterialIndexSize),
Unkn = reader.ReadByte(),
DiffuseColor = reader.ReadStruct <Vec4f>(),
SpecularColor = reader.ReadStruct <Vec3f>(),
Specularity = reader.ReadSingle(),
AmbientColor = reader.ReadStruct <Vec3f>(),
EdgeColor = reader.ReadStruct <Vec4f>(),
EdgeSize = reader.ReadSingle(),
TextureTint = reader.ReadStruct <Vec4f>(),
EnvironmentTint = reader.ReadStruct <Vec4f>(),
ToonTint = reader.ReadStruct <Vec4f>()
}).ToList()
});
break;
case PmxMorphType.Flip:
pmx.Morphs.Add(new PmxMorph <FlipMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new FlipMorph()
{
MorphIndex = reader.ReadVarInt(pmx.Globals.MorphIndexSize),
Influence = reader.ReadSingle()
}).ToList()
});
break;
case PmxMorphType.Impulse:
pmx.Morphs.Add(new PmxMorph <ImpulseMorph>()
{
Index = i,
NameLocal = morphNameLocal,
NameUniversal = morphNameUniversal,
PanelType = panelType,
MorphType = morphType,
Count = morphDataCount,
Data = Enumerable.Range(0, morphDataCount).Select(_ => new ImpulseMorph()
{
RigidBodyIndex = reader.ReadVarInt(pmx.Globals.RigidBodyIndexSize),
LocalFlag = reader.ReadByte(),
MovementSpeed = reader.ReadStruct <Vec3f>(),
RotationTorque = reader.ReadStruct <Vec3f>()
}).ToList()
});
break;
default:
throw new LibMMDParserException($"MorphType {morphType} is unknown");
}
}
}
private static void ParseBones(BinaryReader reader, PmxModel pmx)
{
var boneCount = reader.ReadInt32();
pmx.Bones = new List <PmxBone>();
for (var i = 0; i < boneCount; i++)
{
var bone = new PmxBone();
bone.NameLocal = reader.ReadLPString(pmx.Globals.TextEncoding);
bone.NameUniversal = reader.ReadLPString(pmx.Globals.TextEncoding);
bone.Position = reader.ReadStruct <Vec3f>();
bone.ParentBoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize);
bone.Layer = reader.ReadInt32();
bone.Flags = reader.ReadEnum <BoneFlags>();
if (bone.Flags.HasFlag(BoneFlags.IndexedTailPosition))
{
bone.TailPositionBoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize);
}
else
{
bone.TailPosition = reader.ReadStruct <Vec3f>();
}
if ((bone.Flags & (BoneFlags.InheritTranslation | BoneFlags.InheritRotation)) > 0)
{
bone.InheritBone = new InheritBone()
{
ParentIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize),
ParentWeight = reader.ReadSingle()
}
}
;
if (bone.Flags.HasFlag(BoneFlags.FixedAxis))
{
bone.BoneFixedAxis = reader.ReadStruct <Vec3f>();
}
if (bone.Flags.HasFlag(BoneFlags.LocalCoordinate))
{
bone.LocalCoordinates = reader.ReadStruct <BoneLocalCoordinates>();
}
if (bone.Flags.HasFlag(BoneFlags.ExternalParentDeform))
{
//bone.ExternalParent = reader.ReadVarInt(pmx.Globals.BoneIndexSize);
bone.ExternalParent = reader.ReadInt32();
}
if (bone.Flags.HasFlag(BoneFlags.InverseKinematics))
{
int linkCount;
var boneIk = new BoneInverseKinematic();
boneIk.TargetIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize);
boneIk.LoopCount = reader.ReadInt32();
boneIk.LimitRadian = reader.ReadSingle();
boneIk.LinkCount = (linkCount = reader.ReadInt32());
boneIk.BoneLinks = Enumerable.Range(0, linkCount).Select(_ =>
{
var ikLink = new BoneLink
{
BoneIndex = reader.ReadVarInt(pmx.Globals.BoneIndexSize),
HasLimits = reader.ReadBoolean()
};
if (ikLink.HasLimits)
{
ikLink.LimitMinimum = reader.ReadStruct <Vec3f>();
ikLink.LimitMaximum = reader.ReadStruct <Vec3f>();
}
return(ikLink);
}).ToList();
bone.InverseKinematic = boneIk;
}
pmx.Bones.Add(bone);
}
}