/// <summary>
/// Performs the most low-level mod enable/disable functions, without saving the modlist,
/// ergo this should only be called by functions which will handle saving the modlist after
/// they're done performing all modlist operations.
///
/// If the Index and modlist are provided, the actions are only applied to those cached entries, rather
/// than to the live files.
/// </summary>
/// <param name="enable"></param>
/// <param name="mod"></param>
/// <returns></returns>
public async Task <bool> ToggleModUnsafe(bool enable, Mod mod, bool includeInternal, bool updateCache, IndexFile cachedIndex = null, ModList cachedModlist = null)
{
if (mod == null)
{
return(false);
}
if (string.IsNullOrEmpty(mod.name))
{
return(false);
}
if (string.IsNullOrEmpty(mod.fullPath))
{
return(false);
}
if (mod.data.originalOffset <= 0 && !enable)
{
throw new Exception("Cannot disable mod with invalid original offset.");
}
if (enable && mod.data.modOffset <= 0)
{
throw new Exception("Cannot enable mod with invalid mod offset.");
}
if (mod.IsInternal() && !includeInternal)
{
// Don't allow toggling internal mods unless we were specifically told to.
return(false);
}
var index = new Index(_gameDirectory);
var dat = new Dat(_gameDirectory);
// Added file.
if (enable)
{
if (cachedIndex != null)
{
cachedIndex.SetDataOffset(mod.fullPath, mod.data.modOffset);
}
else
{
await index.UpdateDataOffset(mod.data.modOffset, mod.fullPath, false);
}
mod.enabled = true;
if (cachedIndex == null)
{
// Check if we're re-enabling a metadata mod.
var ext = Path.GetExtension(mod.fullPath);
if (ext == ".meta")
{
var df = IOUtil.GetDataFileFromPath(mod.fullPath);
// Retreive the uncompressed meta entry we just enabled.
var data = await dat.GetType2Data(mod.data.modOffset, df);
var meta = await ItemMetadata.Deserialize(data);
meta.Validate(mod.fullPath);
// And write that metadata to the actual constituent files.
await ItemMetadata.ApplyMetadata(meta, cachedIndex, cachedModlist);
}
else if (ext == ".rgsp")
{
await CMP.ApplyRgspFile(mod.fullPath, cachedIndex, cachedModlist);
}
}
}
else if (!enable)
{
if (mod.IsCustomFile())
{
// Delete file descriptor handles removing metadata as needed on its own.
if (cachedIndex != null)
{
cachedIndex.SetDataOffset(mod.fullPath, 0);
}
else
{
await index.DeleteFileDescriptor(mod.fullPath, IOUtil.GetDataFileFromPath(mod.fullPath), false);
}
}
else
{
if (cachedIndex != null)
{
cachedIndex.SetDataOffset(mod.fullPath, mod.data.originalOffset);
}
else
{
await index.UpdateDataOffset(mod.data.originalOffset, mod.fullPath, false);
}
}
mod.enabled = false;
}
if (updateCache)
{
XivCache.QueueDependencyUpdate(mod.fullPath);
}
return(true);
}