public static void Main()
{
SearchOption SOAD = SearchOption.AllDirectories;
string[] filesName = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.b3d", SOAD);
System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
foreach (var fileIn in filesName)
{
using (BinaryReader br = new BinaryReader(File.Open(fileIn, FileMode.Open)))
{
int submesh_count = br.ReadInt32();
for (int o = 0; o < submesh_count; o++)
{
using (StreamWriter sw = new StreamWriter(fileIn + o + ".obj"))
{
O3dModel o3d = new O3dModel();
uint type = br.ReadUInt32();
br.ReadBytes(8);
br.ReadBytes(48);
for (int i = 0; i < 6; i++)
{
br.ReadSingle();
}
vertexCount = br.ReadUInt32();
faceCount = br.ReadUInt32();
uint faceCount2 = br.ReadUInt32();
uint vertexCount1 = br.ReadUInt32();
for (int i = 0; i < vertexCount; i++)
{
o3d_vertex newv = new o3d_vertex();
newv.x = br.ReadSingle();
newv.y = br.ReadSingle();
newv.z = br.ReadSingle();
o3d.vertexes.Add(newv);
}
for (int i = 0; i < faceCount; i++)
{
o3d_face newf = new o3d_face();
br.ReadByte();
br.ReadByte();
br.ReadByte();
br.ReadByte();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
br.ReadSingle();
for (int ii = 0; ii < 4; ii++)
{
newf.index[ii] = br.ReadUInt16();
}
o3d.faces.Add(newf);
br.ReadUInt16();
br.ReadUInt16();
br.ReadUInt16();
}
// ========================================================
foreach (var v in o3d.vertexes)
{
sw.WriteLine("v " + v.x + " " + v.y + " " + v.z);
}
var enumerator = o3d.faces.GetEnumerator();
foreach (var v in o3d.faces)
{
if (v.index[0] == 65535 || v.index[1] == 65535 || v.index[2] == 65535)
{
enumerator.MoveNext();
}
sw.WriteLine("f " + (v.index[0] + 1) + " " + (v.index[1] + 1) + " " + (v.index[2] + 1));
if (v.index[3] != 65535)
{
sw.WriteLine("f " + (v.index[0] + 1) + " " + (v.index[2] + 1) + " " + (v.index[3] + 1));
}
}
}
}
}
} // foreach (var file in filesName)
} // public static void Main()
public static void Main()
{
SearchOption SOAD = SearchOption.AllDirectories;
string[] filesName = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.o3d", SOAD);
System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
foreach (var fileIn in filesName)
{
using (BinaryReader br = new BinaryReader(File.Open(fileIn, FileMode.Open)))
{
using (StreamWriter sw = new StreamWriter(fileIn + ".ply"))
{
O3dModel o3d = new O3dModel();
vertexCount = br.ReadUInt32();
faceCount = br.ReadUInt32();
// Two 32bit words of unknown contents follow.
br.ReadInt32();
br.ReadInt32();
o3d.vertexes = new o3d_vertex[vertexCount]; // malloc(vertexCount * sizeof(o3d.vertexes[0]))
// fread(o3d.vertexes, sizeof(o3d.vertexes[0]), vertexCount, fileIn); // == vertexCount
for (int i = 0; i < vertexCount; i++)
{
o3d.vertexes[i] = new o3d_vertex();
o3d.vertexes[i].x = br.ReadSingle();
o3d.vertexes[i].y = br.ReadSingle();
o3d.vertexes[i].z = br.ReadSingle();
}
o3d.faces = new o3d_face[faceCount]; // malloc(faceCount * sizeof(o3d.faces[0]));
// fread(o3d.faces, sizeof(o3d.faces[0]), faceCount, fileIn); // == faceCount
for (int i = 0; i < faceCount; i++)
{
o3d.faces[i] = new o3d_face();
o3d.faces[i].color = new o3d_color();
o3d.faces[i].color.b = br.ReadByte();
o3d.faces[i].color.g = br.ReadByte();
o3d.faces[i].color.r = br.ReadByte();
o3d.faces[i].color.a = br.ReadByte();
for (int ii = 0; ii < 4; ii++)
{
o3d.faces[i].texCoords[ii] = new o3d_texcoord();
o3d.faces[i].texCoords[ii].u = br.ReadSingle();
o3d.faces[i].texCoords[ii].v = br.ReadSingle();
}
for (int ii = 0; ii < 4; ii++)
{
o3d.faces[i].index[ii] = br.ReadUInt16();
}
o3d.faces[i].unknown = br.ReadUInt32();
o3d.faces[i].texNumber = br.ReadUInt16();
}
// ========================================================
sw.WriteLine("ply");
sw.WriteLine("format ascii 1.0");
//sw.WriteLine("comment TextureFile " + model_texture.jpg);
sw.WriteLine("element vertex " + vertexCount); // количество вершин
sw.WriteLine("property float x");
sw.WriteLine("property float y");
sw.WriteLine("property float z");
//sw.WriteLine("property uchar red") ;
//sw.WriteLine("property uchar green") ;
//sw.WriteLine("property uchar blue") ;
//sw.WriteLine("property uchar alpha") ;
foreach (var v in o3d.faces)
{
if (v.index[3] != 65535)
{
faceCount++;
}
}
sw.WriteLine("element face " + faceCount); // общее количество граней
sw.WriteLine("property list uchar int vertex_indices");
sw.WriteLine("property list uchar double texcoord");
//sw.WriteLine("property int texnumber");
sw.WriteLine("end_header");
foreach (var v in o3d.vertexes)
{
sw.WriteLine(v.x + " " + v.y + " " + v.z);
}
// буду разбивать квады на треугольники, потому что...
foreach (var v in o3d.faces)
{
sw.WriteLine("3 " + v.index[0] + " " + v.index[1] + " " + v.index[2] + " 6 " +
+v.texCoords[0].u / 255f + " " + v.texCoords[0].v / 255f + " "
+ v.texCoords[1].u / 255f + " " + v.texCoords[1].v / 255f + " "
+ v.texCoords[2].u / 255f + " " + v.texCoords[2].v / 255f + " " /*+ v.texNumber*/);
// 0 1 2 3 => 0 1 2 + 0 2 3
if (v.index[3] != 65535)
{
sw.WriteLine("3 " + v.index[0] + " " + v.index[2] + " " + v.index[3] + " 6 " +
+v.texCoords[0].u / 255f + " " + v.texCoords[0].v / 255f + " "
+ v.texCoords[2].u / 255f + " " + v.texCoords[2].v / 255f + " "
+ v.texCoords[3].u / 255f + " " + v.texCoords[3].v / 255f + " " /*+ v.texNumber*/);
}
}
}
}
} // foreach (var file in filesName)
} // public static void Main()
