private static uint CastIntRead(BinaryReader bin, Header.IndexSize index_size)
{
switch (index_size)
{
case Header.IndexSize.Byte1:
{
uint num = bin.ReadByte();
if (num == 255u)
{
num = 4294967295u;
}
return(num);
}
case Header.IndexSize.Byte2:
{
uint num = bin.ReadUInt16();
if (num == 65535u)
{
num = 4294967295u;
}
return(num);
}
case Header.IndexSize.Byte4:
{
var num = bin.ReadUInt32();
return(num);
}
}
return(4294967295u);
}
public static MemoryStream Export(object args)
{
var Para = args as List <object>;
long t1 = 0;
long t2 = 0;
var texture_file = new List <string>();
using (var fs = (Stream)Para[0])
{
#region 模型头信息
fs.Position = 0;
var reader = new BinaryReader(fs);
reader.ReadBytes(4);
reader.ReadSingle();
reader.ReadByte();
encodeMetho = (Header.StringCode)reader.ReadByte();
additionalUV = reader.ReadByte();
var vertexIndexSize = (Header.IndexSize)reader.ReadByte();
reader.ReadByte();
reader.ReadByte();
boneIndexSize = (Header.IndexSize)reader.ReadByte();
reader.ReadByte();
reader.ReadByte();
#endregion 模型头信息
#region 模型信息
for (var x = 0; x < 4; x++)
{
reader.ReadBytes(reader.ReadInt32());
}
#endregion 模型信息
#region 模型顶点
{
var vertex = reader.ReadUInt32();
for (var i = 0; i < vertex; i++)
{
for (var j = 0; j < 8 + additionalUV * 4; j++)
{
reader.ReadSingle();
}
switch (reader.ReadByte())
{
case 0:
{
CastIntRead(reader, boneIndexSize);
}
break;
case 1:
{
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
reader.ReadSingle();
}
break;
case 2:
{
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
reader.ReadSingle();
reader.ReadSingle();
reader.ReadSingle();
reader.ReadSingle();
}
break;
case 3:
{
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
reader.ReadSingle();
ReadSinglesToVector3(reader);
ReadSinglesToVector3(reader);
ReadSinglesToVector3(reader);
}
break;
case 4:
{
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
CastIntRead(reader, boneIndexSize);
reader.ReadSingle();
reader.ReadSingle();
reader.ReadSingle();
reader.ReadSingle();
ReadSinglesToVector3(reader);
ReadSinglesToVector3(reader);
ReadSinglesToVector3(reader);
}
break;
}
reader.ReadSingle();
}
}
#endregion 模型顶点
#region 模型面
{
var num = reader.ReadUInt32();
for (var i = 0; i < num; i++)
{
CastIntRead(reader,
vertexIndexSize);
}
}
#endregion 模型面
#region 模型贴图
{
t1 = fs.Position;
var num = reader.ReadUInt32();
texture_file = new List <string>();
for (var i = 0; i < num; i++)
{
texture_file.Add(ReadString(reader));
}
t2 = fs.Position;
}
#endregion 模型贴图
fs.Position = 0;
var T1 = new byte[t1];
var T2 = new byte[fs.Length - t2];
long count = 0;
while (fs.Position < t1)
{
T1[count] = (byte)fs.ReadByte();
count++;
}
while (fs.Position < t2)
{
fs.ReadByte();
}
count = 0;
while (fs.Position < fs.Length)
{
T2[count] = (byte)fs.ReadByte();
count++;
}
var save = new MemoryStream();
save.Position = 0;
T1[3] = 64;
save.Write(T1, 0, T1.Length);
var buffer = BitConverter.GetBytes(texture_file.Count + 2);
texture_file.Add(
Encoding.Unicode.GetString(
new SHA256Managed().ComputeHash(Encoding.Unicode.GetBytes((string)Para[1]))));
texture_file.Add(
Encoding.Unicode.GetString(
new SHA256Managed().ComputeHash(Encoding.Unicode.GetBytes((string)Para[1]))));
save.Write(buffer, 0, buffer.Length);
foreach (var VARIABLE in texture_file)
{
switch (encodeMetho)
{
case Header.StringCode.Utf16Le:
var savebuffer = Encoding.Unicode.GetBytes(VARIABLE);
save.Write(BitConverter.GetBytes(savebuffer.Length), 0, 4);
save.Write(savebuffer, 0, savebuffer.Length);
break;
case Header.StringCode.Utf8:
var savebuffer2 = Encoding.UTF8.GetBytes(VARIABLE);
save.Write(BitConverter.GetBytes(savebuffer2.Length), 0, 4);
save.Write(savebuffer2, 0, savebuffer2.Length);
break;
}
}
save.Write(T2, 0, T2.Length);
return(save);
}
}