/// <summary>
/// Updates the .index files offset for a given item.
/// </summary>
/// <param name="offset">The new offset to be used.</param>
/// <param name="fullPath">The internal path of the file whos offset is to be updated.</param>
/// <returns>The offset which was replaced.</returns>
public static int UpdateIndex(long offset, string fullPath, string indexName)
{
var folderHash = FFCRC.GetHash(fullPath.Substring(0, fullPath.LastIndexOf("/")));
var fileHash = FFCRC.GetHash(Path.GetFileName(fullPath));
int oldOffset = 0;
var indexPath = string.Format(Info.indexDir, indexName);
try
{
using (var index = File.Open(indexPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(index))
{
using (BinaryWriter bw = new BinaryWriter(index))
{
br.BaseStream.Seek(1036, SeekOrigin.Begin);
int numOfFiles = br.ReadInt32();
br.BaseStream.Seek(2048, SeekOrigin.Begin);
for (int i = 0; i < numOfFiles; br.ReadBytes(4), i += 16)
{
int fileNameHash = br.ReadInt32();
if (fileNameHash == fileHash)
{
int folderPathHash = br.ReadInt32();
if (folderPathHash == folderHash)
{
oldOffset = br.ReadInt32();
bw.BaseStream.Seek(br.BaseStream.Position - 4, SeekOrigin.Begin);
bw.Write(offset / 8);
break;
}
else
{
br.ReadBytes(4);
}
}
else
{
br.ReadBytes(8);
}
}
}
}
}
}
catch (Exception e)
{
DisplayError(e, "Index File", false);
}
return(oldOffset);
}
/// <summary>
/// Updates the .index files offset for a given item.
/// </summary>
/// <param name="offset">The new offset to be used.</param>
/// <param name="fullPath">The internal path of the file whos offset is to be updated.</param>
/// <returns>The offset which was replaced.</returns>
public static int UpdateIndex(long offset, string fullPath)
{
var folderHash = FFCRC.GetHash(fullPath.Substring(0, fullPath.LastIndexOf("/")));
var fileHash = FFCRC.GetHash(Path.GetFileName(fullPath));
int oldOffset = 0;
try
{
using (var index = File.Open(Info.indexDir, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(index))
{
using (BinaryWriter bw = new BinaryWriter(index))
{
br.BaseStream.Seek(1036, SeekOrigin.Begin);
int numOfFiles = br.ReadInt32();
br.BaseStream.Seek(2048, SeekOrigin.Begin);
for (int i = 0; i < numOfFiles; br.ReadBytes(4), i += 16)
{
int fileNameHash = br.ReadInt32();
if (fileNameHash == fileHash)
{
int folderPathHash = br.ReadInt32();
if (folderPathHash == folderHash)
{
oldOffset = br.ReadInt32();
bw.BaseStream.Seek(br.BaseStream.Position - 4, SeekOrigin.Begin);
bw.Write(offset / 8);
break;
}
else
{
br.ReadBytes(4);
}
}
else
{
br.ReadBytes(8);
}
}
}
}
}
}
catch (Exception e)
{
MessageBox.Show("[Helper] Error Accessing Index File \n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
return(oldOffset);
}
/// <summary>
/// Updates the .index2 files offset for a given item.
/// </summary>
/// <param name="offset">The new offset to be used.</param>
/// <param name="fullPath">The internal path of the file whos offset is to be updated.</param>
/// <returns>The offset which was replaced.</returns>
public static void UpdateIndex2(long offset, string fullPath, string indexName)
{
var pathHash = FFCRC.GetHash(fullPath);
var index2Path = string.Format(Info.index2Dir, indexName);
try
{
using (var index = File.Open(index2Path, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(index))
{
using (BinaryWriter bw = new BinaryWriter(index))
{
br.BaseStream.Seek(1036, SeekOrigin.Begin);
int numOfFiles = br.ReadInt32();
br.BaseStream.Seek(2048, SeekOrigin.Begin);
for (int i = 0; i < numOfFiles; i += 8)
{
int fullPathHash = br.ReadInt32();
if (fullPathHash == pathHash)
{
bw.BaseStream.Seek(br.BaseStream.Position, SeekOrigin.Begin);
bw.Write((int)(offset / 8));
break;
}
else
{
br.ReadBytes(4);
}
}
}
}
}
}
catch (Exception e)
{
DisplayError(e, "Index 2 File", false);
}
}
/// <summary>
/// Updates the .index2 files offset for a given item.
/// </summary>
/// <param name="offset">The new offset to be used.</param>
/// <param name="fullPath">The internal path of the file whos offset is to be updated.</param>
/// <returns>The offset which was replaced.</returns>
public static void UpdateIndex2(long offset, string fullPath)
{
var pathHash = FFCRC.GetHash(fullPath);
try
{
using (var index = File.Open(Info.index2Dir, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(index))
{
using (BinaryWriter bw = new BinaryWriter(index))
{
br.BaseStream.Seek(1036, SeekOrigin.Begin);
int numOfFiles = br.ReadInt32();
br.BaseStream.Seek(2048, SeekOrigin.Begin);
for (int i = 0; i < numOfFiles; i += 8)
{
int fullPathHash = br.ReadInt32();
if (fullPathHash == pathHash)
{
bw.BaseStream.Seek(br.BaseStream.Position, SeekOrigin.Begin);
bw.Write((int)(offset / 8));
break;
}
else
{
br.ReadBytes(4);
}
}
}
}
}
}
catch (Exception e)
{
MessageBox.Show("[Helper] Error Accessing Index 2 File \n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// Gets the offset of the item data.
/// </summary>
/// <remarks>
/// Used to obtain the offset of the items IMC, MTRL, MDL, and TEX data
/// </remarks>
/// <param name="folderHash">The hash value of the internal folder path.</param>
/// <param name="fileHash">The hash value of the internal file path.</param>
/// <returns>The offset in which the items data is located</returns>
public static bool IsActive(string fullPath, string indexName)
{
var folderHash = FFCRC.GetHash(fullPath.Substring(0, fullPath.LastIndexOf("/")));
var fileHash = FFCRC.GetHash(Path.GetFileName(fullPath));
int itemOffset = 0;
var indexPath = string.Format(Info.indexDir, indexName);
try
{
using (BinaryReader br = new BinaryReader(File.OpenRead(indexPath)))
{
br.BaseStream.Seek(1036, SeekOrigin.Begin);
int numOfFiles = br.ReadInt32();
br.BaseStream.Seek(2048, SeekOrigin.Begin);
for (int i = 0; i < numOfFiles; br.ReadBytes(4), i += 16)
{
int fileNameHash = br.ReadInt32();
if (fileNameHash == fileHash)
{
int folderPathHash = br.ReadInt32();
if (folderPathHash == folderHash)
{
itemOffset = br.ReadInt32() * 8;
break;
}
else
{
br.ReadBytes(4);
}
}
else
{
br.ReadBytes(8);
}
}
}
}
catch (Exception e)
{
DisplayError(e, "Index File", false);
}
int datNum = ((itemOffset / 8) & 0x0F) / 2;
if (indexName.Equals(Strings.ItemsDat) && datNum >= 4)
{
return(true);
}
else if (indexName.Equals(Strings.UIDat) && datNum >= 1)
{
return(true);
}
else
{
return(false);
}
}