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PhoenixARC
2021-01-30 13:19:58 -05:00
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MinecraftUSkinEditor/Classes/PCK.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Windows;
namespace MinecraftUSkinEditor
{
public class PCK
{
public class MineFile
{
public int filesize;
public int type;
public string name;
public byte[] data;
public List<object[]> entries = new List<object[]>();
}
public int pckType = 0;
public Dictionary<int, string> types = new Dictionary<int, string>();
public Dictionary<string, int> typeCodes = new Dictionary<string, int>();
public List<MineFile> mineFiles = new List<MineFile>();
public PCK()
{
}
public PCK(string filename)
{
Read(File.ReadAllBytes(filename));
}
private static byte[] endianReverseUnicode(byte[] str)
{
byte[] newStr = new byte[str.Length];
for (int i = 0; i < str.Length; i += 2)
{
newStr[i] = str[i + 1];
newStr[i + 1] = str[i];
}
return newStr;
}
public static string readMineString(FileData f)
{
int length = f.readInt() * 2;
Console.WriteLine(length.ToString());
return Encoding.Unicode.GetString(endianReverseUnicode(f.readBytes(length)));
}
public static string readMineStringVita(FileData f)
{
int length = f.readInt() / 20000000;
Console.WriteLine(length.ToString() + " - caught");
return Encoding.Unicode.GetString(endianReverseUnicode(f.readBytes(length)));
}
public static string readMineStringVita2(FileData f)
{
int length = (f.readInt() / 20000000) * 2;
Console.WriteLine(length.ToString() + " - caught");
return Encoding.Unicode.GetString(endianReverseUnicode(f.readBytes(length)));
}
public void Read(byte[] data)
{
FileData fileData = new FileData(data);
fileData.Endian = Endianness.Big;
fileData.readInt();
int entryTypeCount = fileData.readInt();
for (int i = 0; i < entryTypeCount; i++)
{
int unk = fileData.readInt();
string text = "";
try
{
try
{
text = readMineString(fileData);
}
catch
{
try
{
text = readMineStringVita(fileData);
}
catch
{
text = readMineStringVita2(fileData);
}
}
}
catch
{
text = "Hello!";
}
types.Add(unk, text);
typeCodes.Add(text, unk);
fileData.skip(4);
}
int itemCount = fileData.readInt();
// no metadata
if (entryTypeCount == 0)
{
Console.WriteLine("PckType0");
}
// type 1 or 2
else if (itemCount < 3)
{
pckType = itemCount;
itemCount = fileData.readInt();
if (pckType == 1)
Console.WriteLine("PckType1");
if (pckType == 2)
Console.WriteLine("PckType2");
}
// regular pck
else
{
Console.WriteLine("NormalPCK");
}
for (int j = 0; j < itemCount; j++)
{
MineFile mineFile = new MineFile();
mineFile.filesize = fileData.readInt();
mineFile.type = fileData.readInt();
int length = fileData.readInt() * 2;
mineFile.name = Encoding.Unicode.GetString(endianReverseUnicode(fileData.readBytes(length)));
fileData.skip(4);
mineFiles.Add(mineFile);
}
foreach (MineFile mineFile2 in mineFiles)
{
int num4 = fileData.readInt();
for (int k = 0; k < num4; k++)
{
object[] array = new object[2];
int key = fileData.readInt();
array[0] = types[key];
array[1] = readMineString(fileData);
fileData.skip(4);
mineFile2.entries.Add(array);
}
mineFile2.data = fileData.readBytes(mineFile2.filesize);
}
}
private static void writeMinecraftString(FileOutput f, string str)
{
byte[] d = Encoding.Unicode.GetBytes(str);
f.writeInt(d.Length / 2);
f.writeBytes(endianReverseUnicode(d));
f.writeInt(0);
}
public byte[] Rebuild()
{
FileOutput f = new FileOutput();
f.Endian = Endianness.Big;
f.writeInt(3);
f.writeInt(types.Count);
foreach (int type in types.Keys)
{
f.writeInt(type);
writeMinecraftString(f, types[type]);
}
f.writeInt(mineFiles.Count);
foreach (MineFile mf in mineFiles)
{
f.writeInt(mf.data.Length);
f.writeInt(mf.type);
writeMinecraftString(f, mf.name);
}
foreach (MineFile mf in mineFiles)
{
string missing = "";
try
{
f.writeInt(mf.entries.Count);
foreach (object[] entry in mf.entries)
{
missing = entry[0].ToString();
f.writeInt(typeCodes[(string)entry[0]]);
writeMinecraftString(f, (string)entry[1]);
}
f.writeBytes(mf.data);
}
catch (Exception)
{
MessageBox.Show(missing + " is not in the main metadatabase");
break;
}
}
return f.getBytes();
}
}
}