public LocResFile(BinaryReader reader)
{
FGuid MagicNumber = default;
if (reader.BaseStream.Length >= Marshal.SizeOf <FGuid>())
{
MagicNumber = new FGuid(reader);
}
LocResVersion VersionNumber = LocResVersion.LEGACY;
if (MagicNumber == LocResMagic)
{
VersionNumber = (LocResVersion)reader.ReadByte();
}
else
{
// Legacy LocRes files lack the magic number, assume that's what we're dealing with, and seek back to the start of the file
reader.BaseStream.Seek(0, SeekOrigin.Begin);
}
if (VersionNumber > LocResVersion.LATEST)
{
throw new IOException($"LocRes file is too new to be loaded! (File Version: {(byte)VersionNumber}, Loader Version: {(byte)LocMetaVersion.LATEST})");
}
// Read the localized string array
FTextLocalizationResourceString[] LocalizedStringArray = new FTextLocalizationResourceString[0];
if (VersionNumber >= LocResVersion.COMPACT)
{
long LocalizedStringArrayOffset = -1; // INDEX_NONE
LocalizedStringArrayOffset = reader.ReadInt64();
if (LocalizedStringArrayOffset != -1)
{
if (VersionNumber >= LocResVersion.OPTIMIZED)
{
long CurrentFileOffset = reader.BaseStream.Position;
reader.BaseStream.Seek(LocalizedStringArrayOffset, SeekOrigin.Begin);
LocalizedStringArray = reader.ReadTArray(() => new FTextLocalizationResourceString(reader));
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
}
else
{
string[] TmpLocalizedStringArray;
long CurrentFileOffset = reader.BaseStream.Position;
reader.BaseStream.Seek(LocalizedStringArrayOffset, SeekOrigin.Begin);
TmpLocalizedStringArray = reader.ReadTArray(() => CleanString(AssetReader.read_string(reader)));
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
LocalizedStringArray = new FTextLocalizationResourceString[TmpLocalizedStringArray.Length];
for (int i = 0; i < TmpLocalizedStringArray.Length; i++)
{
LocalizedStringArray[i] = new FTextLocalizationResourceString()
{
String = TmpLocalizedStringArray[i], RefCount = -1
};
}
}
}
}
// Read entries count
if (VersionNumber >= LocResVersion.OPTIMIZED)
{
uint EntriesCount = reader.ReadUInt32();
// No need for initializer
// Link: https://github.com/EpicGames/UnrealEngine/blob/7d9919ac7bfd80b7483012eab342cb427d60e8c9/Engine/Source/Runtime/Core/Private/Internationalization/TextLocalizationResource.cpp#L266
}
// Read namespace count
uint NamespaceCount = reader.ReadUInt32();
for (uint i = 0; i < NamespaceCount; i++)
{
// Read namespace
FTextKey Namespace;
if (VersionNumber >= LocResVersion.OPTIMIZED)
{
Namespace = new FTextKey(reader);
}
else
{
Namespace = new FTextKey(CleanString(AssetReader.read_string(reader)));
}
var Entries = new Dictionary <string, string>();
// Read key count
uint KeyCount = reader.ReadUInt32();
for (uint j = 0; j < KeyCount; j++)
{
// Read key
FTextKey Key;
if (VersionNumber >= LocResVersion.OPTIMIZED)
{
Key = new FTextKey(reader);
}
else
{
Key = new FTextKey(CleanString(AssetReader.read_string(reader)));
}
FEntry NewEntry;
NewEntry.SourceStringHash = reader.ReadUInt32();
if (VersionNumber >= LocResVersion.COMPACT)
{
int LocalizedStringIndex = reader.ReadInt32();
if (LocalizedStringArray.Length > LocalizedStringIndex)
{
// Steal the string if possible
FTextLocalizationResourceString LocalizedString = LocalizedStringArray[LocalizedStringIndex];
if (LocalizedString.RefCount == 1)
{
NewEntry.LocalizedString = LocalizedString.String;
LocalizedString.RefCount--;
}
else
{
NewEntry.LocalizedString = LocalizedString.String;
if (LocalizedString.RefCount != -1)
{
LocalizedString.RefCount--;
}
}
}
else
{
throw new IOException($"LocRes has an invalid localized string index for namespace '{Namespace}' and key '{Key}'. This entry will have no translation.");
}
}
else
{
NewEntry.LocalizedString = CleanString(AssetReader.read_string(reader));
}
Entries.Add(Key.String, NewEntry.LocalizedString);
}
this.Entries.Add(Namespace.String, Entries);
}
}
public LocResReader(BinaryReader reader)
{
var MagicNumber = new FGuid(reader);
var VersionNumber = Version.LEGACY;
if (MagicNumber == Magic)
{
VersionNumber = (Version)reader.ReadByte();
}
else
{
// Legacy LocRes files lack the magic number, assume that's what we're dealing with, and seek back to the start of the file
reader.BaseStream.Seek(0, SeekOrigin.Begin);
}
if (VersionNumber > Version.LATEST)
{
throw new IOException($"LocRes file is too new to be loaded! (File Version: {(byte)VersionNumber}, Loader Version: {(byte)LocMetaReader.Version.LATEST})");
}
// Read the localized string array
FTextLocalizationResourceString[] LocalizedStringArray = Array.Empty <FTextLocalizationResourceString>();
if (VersionNumber >= Version.COMPACT)
{
long LocalizedStringArrayOffset = -1; // INDEX_NONE
LocalizedStringArrayOffset = reader.ReadInt64();
if (LocalizedStringArrayOffset != -1)
{
if (VersionNumber >= Version.OPTIMIZED)
{
long CurrentFileOffset = reader.BaseStream.Position;
reader.BaseStream.Seek(LocalizedStringArrayOffset, SeekOrigin.Begin);
LocalizedStringArray = reader.ReadTArray(() => new FTextLocalizationResourceString(reader));
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
}
else
{
string[] TmpLocalizedStringArray;
long CurrentFileOffset = reader.BaseStream.Position;
reader.BaseStream.Seek(LocalizedStringArrayOffset, SeekOrigin.Begin);
TmpLocalizedStringArray = reader.ReadTArray(() => reader.ReadFString());
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
LocalizedStringArray = new FTextLocalizationResourceString[TmpLocalizedStringArray.Length];
for (int i = 0; i < TmpLocalizedStringArray.Length; i++)
{
LocalizedStringArray[i] = new FTextLocalizationResourceString(TmpLocalizedStringArray[i], -1);
}
}
}
}
// Read entries count
if (VersionNumber >= Version.OPTIMIZED)
{
uint EntriesCount = reader.ReadUInt32();
// No need for initializer
// Link: https://github.com/EpicGames/UnrealEngine/blob/7d9919ac7bfd80b7483012eab342cb427d60e8c9/Engine/Source/Runtime/Core/Private/Internationalization/TextLocalizationResource.cpp#L266
}
// Read namespace count
uint NamespaceCount = reader.ReadUInt32();
for (uint i = 0; i < NamespaceCount; i++)
{
// Read namespace
if (VersionNumber >= Version.OPTIMIZED)
{
reader.ReadUInt32(); // StrHash
}
var Namespace = reader.ReadFString();
var Entries = new Dictionary <string, string>();
// Read key count
uint KeyCount = reader.ReadUInt32();
for (uint j = 0; j < KeyCount; j++)
{
// Read key
if (VersionNumber >= Version.OPTIMIZED)
{
reader.ReadUInt32(); // StrHash
}
var Key = reader.ReadFString();
reader.ReadUInt32(); // SourceStringHash
string EntryLocalizedString;
if (VersionNumber >= Version.COMPACT)
{
int LocalizedStringIndex = reader.ReadInt32();
if (LocalizedStringArray.Length > LocalizedStringIndex)
{
// Steal the string if possible
ref var LocalizedString = ref LocalizedStringArray[LocalizedStringIndex];
if (LocalizedString.RefCount == 1)
{
EntryLocalizedString = LocalizedString.String;
LocalizedString.RefCount--;
}
else
{
EntryLocalizedString = LocalizedString.String;
if (LocalizedString.RefCount != -1)
{
LocalizedString.RefCount--;
}
}
}
else
{
throw new IOException($"LocRes has an invalid localized string index for namespace '{Namespace}' and key '{Key}'. This entry will have no translation.");
}
}
public LocResReader(BinaryReader reader)
{
var MagicNumber = new FGuid(reader);
var VersionNumber = Version.Legacy;
if (MagicNumber == Magic)
{
VersionNumber = (Version)reader.ReadByte();
}
else
{
// Legacy LocRes files lack the magic number, assume that's what we're dealing with, and seek back to the start of the file
reader.BaseStream.Seek(0, SeekOrigin.Begin);
}
if (VersionNumber > Version.Latest)
{
throw new IOException($"LocRes file is too new to be loaded! (File Version: {(byte)VersionNumber}, Loader Version: {(byte)LocMetaReader.Version.LATEST})");
}
// Read the localized string array
FTextLocalizationResourceString[] LocalizedStringArray = Array.Empty <FTextLocalizationResourceString>();
if (VersionNumber >= Version.Compact)
{
long LocalizedStringArrayOffset = -1; // INDEX_NONE
LocalizedStringArrayOffset = reader.ReadInt64();
if (LocalizedStringArrayOffset != -1)
{
long CurrentFileOffset = reader.BaseStream.Position;
reader.BaseStream.Seek(LocalizedStringArrayOffset, SeekOrigin.Begin);
if (VersionNumber >= Version.Optimized_CRC32)
{
LocalizedStringArray = reader.ReadTArray(() => new FTextLocalizationResourceString(reader));
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
}
else
{
string[] TmpLocalizedStringArray;
TmpLocalizedStringArray = reader.ReadTArray(() => reader.ReadFString());
reader.BaseStream.Seek(CurrentFileOffset, SeekOrigin.Begin);
LocalizedStringArray = new FTextLocalizationResourceString[TmpLocalizedStringArray.Length];
for (int i = 0; i < TmpLocalizedStringArray.Length; i++)
{
LocalizedStringArray[i] = new FTextLocalizationResourceString(TmpLocalizedStringArray[i], -1);
}
}
}
}
if (VersionNumber >= Version.Optimized_CRC32)
{
reader.ReadUInt32(); // EntriesCount
}
// Read namespace count
uint NamespaceCount = reader.ReadUInt32();
for (uint i = 0; i < NamespaceCount; i++)
{
if (VersionNumber >= Version.Optimized_CRC32)
{
reader.ReadUInt32(); // StrHash
}
string Namespace = reader.ReadFString();
uint KeyCount = reader.ReadUInt32();
Dictionary <string, string> Entries = new Dictionary <string, string>((int)KeyCount);
for (uint j = 0; j < KeyCount; j++)
{
// Read key
if (VersionNumber >= Version.Optimized_CRC32)
{
reader.ReadUInt32(); // StrHash
}
string Key = reader.ReadFString();
reader.ReadUInt32(); // SourceStringHash
string EntryLocalizedString;
if (VersionNumber >= Version.Compact)
{
int LocalizedStringIndex = reader.ReadInt32();
if (LocalizedStringArray.Length > LocalizedStringIndex)
{
// Steal the string if possible
ref var LocalizedString = ref LocalizedStringArray[LocalizedStringIndex];
if (LocalizedString.RefCount == 1)
{
EntryLocalizedString = LocalizedString.String;
LocalizedString.RefCount--;
}
else
{
EntryLocalizedString = LocalizedString.String;
if (LocalizedString.RefCount != -1)
{
LocalizedString.RefCount--;
}
}
}
else
{
throw new IOException($"LocRes has an invalid localized string index for namespace '{Namespace}' and key '{Key}'. This entry will have no translation.");
}
}
