private Vertex GetVertex(ByteReader io)
{
Vertex vertex;
vertex.Position=io.GetVector3();
vertex.Normal=io.GetVector3();
vertex.UV=io.GetVector2();
vertex.DeformType=(VERTEX_DEFORM)io.GetByte();
vertex.BoneIndices=new int[4];
vertex.BoneWeights=new float[4];
switch(vertex.DeformType)
{
case VERTEX_DEFORM.BDEF1:
vertex.BoneIndices[0]=GetBoneIndex(io);
break;
case VERTEX_DEFORM.BDEF2:
vertex.BoneIndices[0]=GetBoneIndex(io);
vertex.BoneIndices[1]=GetBoneIndex(io);
vertex.BoneWeights[0]=io.GetFloat();
break;
case VERTEX_DEFORM.BDEF4:
vertex.BoneIndices[0]=GetBoneIndex(io);
vertex.BoneIndices[1]=GetBoneIndex(io);
vertex.BoneIndices[2]=GetBoneIndex(io);
vertex.BoneIndices[3]=GetBoneIndex(io);
vertex.BoneWeights[0]=io.GetFloat();
vertex.BoneWeights[1]=io.GetFloat();
vertex.BoneWeights[2]=io.GetFloat();
vertex.BoneWeights[3]=io.GetFloat();
break;
case VERTEX_DEFORM.SDEF:
throw new PmxException("not implemented");
}
vertex.EdgeFactor=io.GetFloat();
return vertex;
}
private Bone GetBone(ByteReader io)
{
var bone=new Bone();
bone.Name=GetText(io);
bone.EnglishName=GetText(io);
bone.Position=io.GetVector3();
bone.ParentIndex=GetBoneIndex(io);
bone.Layer=io.GetInt();
bone.Flags=(BONEFLAG)io.GetUShort();
if(bone.HasFlag(BONEFLAG.HAS_TAILBONE)){
bone.TailBoneIndex=GetBoneIndex(io);
}
else{
bone.TailOffset=io.GetVector3();
}
if(bone.HasFlag(BONEFLAG.ROTATION_EFFECTED)
|| bone.HasFlag(BONEFLAG.TRANSLATION_EFFECTED)){
bone.EffectIndex=GetBoneIndex(io);
bone.EffectFactor=io.GetFloat();
}
if(bone.HasFlag(BONEFLAG.HAS_FIXEDAXIS)){
bone.FixedAxis=io.GetVector3();
}
if(bone.HasFlag(BONEFLAG.HAS_LOCALAXIS)){
bone.LocalAxisX=io.GetVector3();
bone.LocalAxisZ=io.GetVector3();
}
if(bone.HasFlag(BONEFLAG.DEFORM_EXTERNAL_PARENT)){
bone.ExternalParentKey=io.GetInt();
}
if(bone.HasFlag(BONEFLAG.HAS_IK)){
var ik=new IKSolver();
bone.IKSolver=ik;
ik.TargetIndex=GetBoneIndex(io);
ik.Iterations=io.GetInt();
ik.UnitRadian=io.GetFloat();
int Count=io.GetInt();
ik.Chains=Enumerable.Range(1, Count).Select(_
=>{
var link=new IKLink();
link.BoneIndex=GetBoneIndex(io);
link.IsLimited=io.GetByte()==0 ? false : true;
if(link.IsLimited){
link.MinEulerRadians=io.GetVector3();
link.MaxEulerRadians=io.GetVector3();
}
return link;
}).ToArray();
}
return bone;
}
private Material GetMaterial(ByteReader io)
{
var material=new Material();
material.Name=GetText(io);
material.EnglishName=GetText(io);
material.Diffuse=io.GetVector4();
material.Specular=io.GetVector3();
material.SpecularFactor=io.GetFloat();
material.Ambient=io.GetVector3();
material.Flag=io.GetByte();
material.EdgeColor=io.GetVector4();
material.EdgeSize=io.GetFloat();
material.TextureIndex=GetTextureIndex(io);
material.SphereTextureIndex=GetTextureIndex(io);
material.SphereMode=(SPHERE_MODE)io.GetByte();
material.UseSharedToon=io.GetByte()==0 ? false : true;
material.ToonTextureIndex=GetTextureIndex(io);
material.Memo=GetText(io);
material.IndexCount=io.GetInt();
return material;
}
public static Model loadFromPath(string path)
{
var io=new ByteReader(File.ReadAllBytes(path));
// pmx header
var magic=io.GetAscii(4);
if(magic!="PMX "){
throw new PmxException("invalid magic");
}
var version=io.GetFloat();
if(version!=2.0f){
throw new PmxException("invalid version");
}
// flags
int flags=io.GetByte();
if(flags!=8){
throw new PmxException("invalid byte");
}
TEXT_ENCODING encoding=(TEXT_ENCODING)io.GetByte();
byte additional_uv=io.GetByte();
byte vertex_index_bytes=io.GetByte();
byte texture_index_bytes=io.GetByte();
byte material_index_bytes=io.GetByte();
byte bone_index_bytes=io.GetByte();
byte morph_index_bytes=io.GetByte();
byte rigidbody_index_bytes=io.GetByte();
var loader=new Loader(
GetTextFunc(encoding),
GetIndexFunc(vertex_index_bytes),
GetIndexFunc(texture_index_bytes),
GetIndexFunc(bone_index_bytes)
);
return loader.load(io);
}