private int VertexIndexFromFaceElement(ObjParser.Types.Face face, int elementIndex)
{
int faceVertexIndex = face.VertexIndexList[elementIndex];
int faceTextureVertexIndex = face.TextureVertexIndexList[elementIndex];
int vertexIndex;
ObjParser.Types.Vertex vertex = obj.VertexList[faceVertexIndex - 1];
if (faceIndex.ContainsKey(faceVertexIndex, faceTextureVertexIndex))
{
vertexIndex = faceIndex.VertexIndex(faceVertexIndex, faceTextureVertexIndex);
}
else
{
vertices.Add(new Vector3((float)vertex.X, (float)vertex.Y, (float)vertex.Z) + loadObjectOffset);
if (faceTextureVertexIndex != 0)
{
ObjParser.Types.TextureVertex textureVertex = obj.TextureList[faceTextureVertexIndex - 1];
uvs.Add(new Vector2((float)textureVertex.X, (float)textureVertex.Y));
}
vertexIndex = vertices.Count - 1;
faceIndex.Add(faceVertexIndex, faceTextureVertexIndex, vertexIndex);
}
return(vertexIndex);
}
private List <ObjParser.Types.Vertex> ObjVerticesOfListVector3(Vector3[] vertices)
{
List <ObjParser.Types.Vertex> vertexList = new List <ObjParser.Types.Vertex>();
int i = 0;
foreach (Vector3 vertex in vertices)
{
ObjParser.Types.Vertex newVertex = new ObjParser.Types.Vertex();
newVertex.X = vertex.x;
newVertex.Y = vertex.y;
newVertex.Z = vertex.z;
newVertex.Index = i;
vertexList.Add(newVertex);
i++;
}
return(vertexList);
}
public SyncMesh BuildMesh(Obj curObj)
{
SyncMesh syncmesh = new SyncMesh(new SyncId("MeshId_" + curObj.Name), "Mesh_" + curObj.Name);
// Faceの定義に従う。無駄は多くなる
syncmesh.SubMeshes = new List <SyncSubMesh>();
SyncSubMesh submesh = new SyncSubMesh();
for (int j = 0; j < curObj.FaceList.Count; j++)
{
ObjParser.Types.Face face = curObj.FaceList[j];
for (int i = 0; i < face.VertexIndexList.Length; i++)
{
//idx
int vertexIdx = face.VertexIndexList[i] - 1;
int uvIdx = face.TextureVertexIndexList[i] - 1;
int normalIdx = face.NormalIndexList[i] - 1;
//Console.WriteLine(string.Format("index[{0}] vert[{1}] uv[{2}] normal[{3}]",i, vertexIdx+1, uvIdx+1, normalIdx+1));
//ObjParser.Types.Vertex vertex = curObj.VertexList[vertexIdx];
//ObjParser.Types.TextureVertex uv = curObj.TextureList[uvIdx];
//ObjParser.Types.VertexNormal normal = curObj.VertexNormalList[normalIdx];
ObjParser.Types.Vertex vertex = obj.VertexList[vertexIdx];
ObjParser.Types.TextureVertex uv = obj.TextureList[uvIdx];
ObjParser.Types.VertexNormal normal = obj.VertexNormalList[normalIdx];
//頂点
// OpenGL->DirectX変換のため、Xは反転する
syncmesh.Vertices.Add(new Vector3(vertex.X * -1.0f, vertex.Y, vertex.Z)); // 2021.5.26 X軸を反転
syncmesh.Uvs.Add(new Vector2(uv.X, uv.Y));
syncmesh.Normals.Add(new Vector3(normal.X * -1.0f, normal.Y, normal.Z)); // 2021.5.26 X軸を反転
//syncmesh.Normals.Add(new Vector3(0,0,1));
//Console.WriteLine(string.Format("vert={0}\t{1}\t{2}", (float)vertex.X, (float)vertex.Y, (float)vertex.Z));
//index
//submesh.Triangles.Add(i + j * face.VertexIndexList.Length);
// OpenGL->DirectX変換のため、逆順でセットする
submesh.Triangles.Add((face.VertexIndexList.Length - 1 - i) + j * face.VertexIndexList.Length);
}
}
syncmesh.SubMeshes.Add(submesh);
return(syncmesh);
}
public static Submesh[] ExtractModel(string fileName, EntryTreeNode node, Action completionAction)
{
Submesh[] submeshes;
using (Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
if (stream.Length == 0)
{
return(null);
}
using (BinaryReader reader = new BinaryReader(stream))
{
// header
DatafileHeader header = new DatafileHeader
{
ResourceType = reader.ReadInt32(),
FileSize = reader.ReadInt32(),
FileNameSize = reader.ReadInt32()
};
header.FileName = reader.ReadChars(header.FileNameSize);
// ignore the 2 bytes, file ID, and resource type
reader.BaseStream.Seek(0x1d, SeekOrigin.Current);
// block A - 1
uint aCount = reader.ReadUInt32();
Block blockA = new Block();
blockA.Bytes = new byte[aCount][];
for (int i = 0; i < aCount; i++)
{
blockA.Bytes[i] = reader.ReadBytes(0x51);
}
// block B - 1-0
Block blockB = new Block();
blockB.Bytes = new byte[2][];
for (int i = 0; i < 2; i++)
{
blockB.Bytes[i] = reader.ReadBytes(0x10);
}
// block C - 1-1
reader.BaseStream.Seek(1, SeekOrigin.Current);
Block blockC = new Block();
blockC.Bytes = new byte[2][];
for (int i = 0; i < 2; i++)
{
blockC.Bytes[i] = reader.ReadBytes(0x11);
}
// block D - 1-2
reader.BaseStream.Seek(0x29, SeekOrigin.Current);
uint dCount = reader.ReadUInt32();
Block blockD = new Block();
blockD.Bytes = new byte[dCount][];
for (int i = 0; i < dCount; i++)
{
blockD.Bytes[i] = reader.ReadBytes(0x18);
}
// internal/external UVs (block E) - 20
uint eCount = reader.ReadUInt32();
reader.BaseStream.Seek(eCount, SeekOrigin.Current);
// vertices (block F) - 30
uint fCount = reader.ReadUInt32() / 12;
long verticesOffset = reader.BaseStream.Position;
Block blockF = new Block();
blockF.Bytes = new byte[fCount][];
for (int i = 0; i < fCount; i++)
{
blockF.Bytes[i] = reader.ReadBytes(0x0c);
}
// block G - 40
uint gSize = reader.ReadUInt32();
Block blockG = new Block();
blockG.Bytes = new byte[gSize][];
reader.BaseStream.Seek(gSize, SeekOrigin.Current);
// faces (block) H - 50
uint hCount = reader.ReadUInt32() / 6;
long facesOffset = reader.BaseStream.Position;
Block blockH = new Block();
blockH.Bytes = new byte[hCount][];
for (int i = 0; i < hCount; i++)
{
blockH.Bytes[i] = reader.ReadBytes(0x06);
}
// block I - 60
uint iSize = reader.ReadUInt32();
Block blockI = new Block();
blockI.Bytes = new byte[iSize][];
reader.BaseStream.Seek(iSize, SeekOrigin.Current);
// block J - 70
uint jSize = reader.ReadUInt32();
Block blockJ = new Block();
blockJ.Bytes = new byte[jSize][];
reader.BaseStream.Seek(jSize, SeekOrigin.Current);
// block K - 80
uint kSize = reader.ReadUInt32();
Block blockK = new Block();
blockK.Bytes = new byte[kSize][];
reader.BaseStream.Seek(kSize, SeekOrigin.Current);
// block L
Block blockL = new Block();
blockL.Bytes = new byte[1][];
for (int i = 0; i < 1; i++)
{
blockL.Bytes[i] = reader.ReadBytes(0x12);
}
// block M - 90
uint mSize = reader.ReadUInt32(); // number of submeshes
// create submeshes
submeshes = new Submesh[mSize];
for (int i = 0; i < mSize; i++)
{
submeshes[i] = new Submesh();
reader.BaseStream.Seek(0x14, SeekOrigin.Current);
submeshes[i].VertexCount = reader.ReadUInt32();
reader.BaseStream.Seek(0x04, SeekOrigin.Current);
submeshes[i].FaceCount = reader.ReadUInt32();
reader.BaseStream.Seek(0x04, SeekOrigin.Current);
}
/*reader.BaseStream.Seek(0x10, SeekOrigin.Current);
*
* // block N - 100
* uint nSize = reader.ReadUInt32();
* Block blockN = new Block();
* blockN.Bytes = new byte[nSize][];
* for (int i = 0; i < nSize; i++)
* {
* blockN.Bytes[i] = reader.ReadBytes(0x1e);
* }
*
* // block O - 110
* reader.BaseStream.Seek(0x16, SeekOrigin.Current);
* uint oSize = reader.ReadUInt32();
* Block blockO = new Block();
* blockO.Bytes = new byte[nSize][];
* for (int i = 0; i < oSize; i++)
* {
* blockO.Bytes[i] = reader.ReadBytes(0x0a);
* }*/
// get faces
reader.BaseStream.Seek(facesOffset, SeekOrigin.Begin);
for (int i = 0; i < submeshes.Length; i++)
{
submeshes[i].Faces = new Face[submeshes[i].FaceCount];
for (int j = 0; j < submeshes[i].FaceCount; j++)
{
submeshes[i].Faces[j] = new Face
{
X = reader.ReadUInt16(),
Y = reader.ReadUInt16(),
Z = reader.ReadUInt16()
};
/*ObjParser.Types.Face f = new ObjParser.Types.Face
* {
* X = submeshes[i].Vertices[j].X,
* Y = submeshes[i].Vertices[j].Y,
* Z = submeshes[i].Vertices[j].Z
* };
* faces.Add(f);*/
}
}
// get vertices
reader.BaseStream.Seek(verticesOffset, SeekOrigin.Begin);
List <ObjParser.Types.Vertex> verts = new List <ObjParser.Types.Vertex>();
for (int i = 0; i < submeshes.Length; i++)
{
submeshes[i].Vertices = new Vertex[submeshes[i].VertexCount];
for (int j = 0; j < submeshes[i].VertexCount; j++)
{
submeshes[i].Vertices[j] = new Vertex
{
X = reader.ReadInt16(),
Y = reader.ReadInt16(),
Z = reader.ReadInt16(),
U = reader.ReadInt16(),
V = reader.ReadInt16(),
Dummy = reader.ReadInt16()
};
ObjParser.Types.Vertex v = new ObjParser.Types.Vertex
{
X = submeshes[i].Vertices[j].X,
Y = submeshes[i].Vertices[j].Y,
Z = submeshes[i].Vertices[j].Z
};
verts.Add(v);
}
}
Obj obj = new Obj();
obj.VertexList = verts;
obj.WriteObjFile(@"C:\Users\pinea\bag-new.obj", new string[] { "" });
completionAction();
}
}
return(submeshes);
}
