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Check for a valid path of DBC files before loading main form and allow change DbcPath if path/dbc not found #27

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Check for a valid path of DBC files before loading main form and allow change DbcPath if path/dbc not found #27

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1 change: 0 additions & 1 deletion SpellWork/DBC/DBC.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,6 @@ namespace SpellWork.DBC
public static class DBC
{
public const string Version = "SpellWork 3.3.5a (12340)";
public const string DbcPath = @"dbc";

public const int MaxDbcLocale = 16;
public const int MaxReagentCount = 8;
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89 changes: 63 additions & 26 deletions SpellWork/DBC/DBCReader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,45 +14,82 @@ static class DBCReader
public static Dictionary<uint, T> ReadDBC<T>(Dictionary<uint, string> strDict) where T : struct
{
var dict = new Dictionary<uint, T>();
var fileName = Path.Combine(DBC.DbcPath, typeof(T).Name + ".dbc").Replace("Entry", String.Empty);
var fileName = Path.Combine(Properties.Settings.Default.DbcPath, typeof(T).Name + ".dbc").Replace("Entry", String.Empty);

using (var reader = new BinaryReader(new FileStream(fileName, FileMode.Open, FileAccess.Read), Encoding.UTF8))
try
{
if (!File.Exists(fileName))
throw new FileNotFoundException();
// read dbc header
var header = reader.ReadStruct<DbcHeader>();
var size = Marshal.SizeOf(typeof(T));
using (var reader = new BinaryReader(new FileStream(fileName, FileMode.Open, FileAccess.Read), Encoding.UTF8))
{
if (!File.Exists(fileName))
CheckDirectory<T>();
// read dbc header
var header = reader.ReadStruct<DbcHeader>();
var size = Marshal.SizeOf(typeof(T));

if (!header.IsDBC)
throw new Exception(fileName + " is not DBC files!");
if (!header.IsDBC)
throw new Exception(fileName + " is not DBC files!");

if (header.RecordSize != size)
throw new Exception(string.Format("Size of row in DBC file ({0}) != size of DBC struct ({1}) in DBC: {2}", header.RecordSize, size, fileName));
if (header.RecordSize != size)
throw new Exception(string.Format("Size of row in DBC file ({0}) != size of DBC struct ({1}) in DBC: {2}", header.RecordSize, size, fileName));

// read dbc data
for (var r = 0; r < header.RecordsCount; ++r)
{
var key = reader.ReadUInt32();
reader.BaseStream.Position -= 4;
// read dbc data
for (var r = 0; r < header.RecordsCount; ++r)
{
var key = reader.ReadUInt32();
reader.BaseStream.Position -= 4;

var entry = reader.ReadStruct<T>();
var entry = reader.ReadStruct<T>();

dict.Add(key, entry);
}
dict.Add(key, entry);
}

// read dbc strings
if (strDict != null)
{
while (reader.BaseStream.Position != reader.BaseStream.Length)
// read dbc strings
if (strDict != null)
{
var offset = (uint)(reader.BaseStream.Position - header.StartStringPosition);
var str = reader.ReadCString();
strDict.Add(offset, str);
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
var offset = (uint)(reader.BaseStream.Position - header.StartStringPosition);
var str = reader.ReadCString();
strDict.Add(offset, str);
}
}
}
}
catch (Exception e)
{
if (e is System.IO.DirectoryNotFoundException || e is System.IO.FileNotFoundException)
{
CheckDirectory<T>();
return ReadDBC<T>(strDict);
}

throw;
}

return dict;
}

private static void CheckDirectory<T>()
{
System.Windows.Forms.FolderBrowserDialog fbd = new System.Windows.Forms.FolderBrowserDialog()
{
Description = "Select your DBC files path:",
ShowNewFolderButton = false,
RootFolder = Environment.SpecialFolder.MyComputer
};

if (fbd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
Properties.Settings.Default.DbcPath = fbd.SelectedPath;

var fileName = Path.Combine(Properties.Settings.Default.DbcPath, typeof(T).Name + ".dbc").Replace("Entry", String.Empty);
if (!File.Exists(fileName))
throw new FileNotFoundException();

Properties.Settings.Default.Save();
}
else
throw new Exception("You didn't select a valid path!");
}
}
}