public static int ComputeSubstanceTextureName(string filename)
{
var memoryStream = new MemoryStream();
BinaryWriter bw = new BinaryWriter(memoryStream);
bw.Write((int)186);
bw.Write(System.Text.Encoding.ASCII.GetBytes(filename));
using (HashAlgorithm hash = new MD4())
{
byte[] hashed = hash.ComputeHash(memoryStream.ToArray());
int result = 0;
for (int i = 3; i >= 0; --i)
{
result <<= 8;
result |= hashed[i];
}
return(result);
}
return(0);
}
public static int Compute(int id, string name)
{
var classID = System.Text.Encoding.UTF8.GetString(BitConverter.GetBytes(id));
if (id < 255)
{
classID = ((char)id) + "\0\0\0";
}
string toBeHashed = classID + name;
using (HashAlgorithm hash = new MD4())
{
byte[] hashed = hash.ComputeHash(System.Text.Encoding.UTF8.GetBytes(toBeHashed));
int result = 0;
for (int i = 3; i >= 0; --i)
{
result <<= 8;
result |= hashed[i];
}
return(result);
}
}
public static int Compute(Type t)
{
string toBeHashed = "s\0\0\0" + t.Namespace + t.Name;
using (HashAlgorithm hash = new MD4())
{
byte[] hashed = hash.ComputeHash(System.Text.Encoding.UTF8.GetBytes(toBeHashed));
int result = 0;
for (int i = 3; i >= 0; --i)
{
result <<= 8;
result |= hashed[i];
}
return(result);
}
}
