public ExternalMods()
{
sheetBuilder = new SheetBuilder(SheetType.BGRA, 256);
// Several types of support directory types are available, depending on
// how the player has installed and launched the game.
// Read registration metadata from all of them
var sources = Enum.GetValues(typeof(SupportDirType))
.Cast <SupportDirType>()
.Select(t => Platform.GetSupportDir(t))
.Distinct();
foreach (var source in sources)
{
var metadataPath = Path.Combine(source, "ModMetadata");
if (!Directory.Exists(metadataPath))
{
continue;
}
foreach (var path in Directory.GetFiles(metadataPath, "*.yaml"))
{
try
{
var yaml = MiniYaml.FromStream(File.OpenRead(path), path).First().Value;
LoadMod(yaml, path);
}
catch (Exception e)
{
Log.Write("debug", "Failed to parse mod metadata file '{0}'", path);
Log.Write("debug", e.ToString());
}
}
}
}
internal void Unregister(Manifest mod, ModRegistration registration)
{
var sources = new List<string>();
if (registration.HasFlag(ModRegistration.System))
sources.Add(Platform.GetSupportDir(SupportDirType.System));
if (registration.HasFlag(ModRegistration.User))
{
// User support dir may be using the modern or legacy value, or overridden by the user
// Add all the possibilities and let the .Distinct() below ignore the duplicates
sources.Add(Platform.GetSupportDir(SupportDirType.User));
sources.Add(Platform.GetSupportDir(SupportDirType.ModernUser));
sources.Add(Platform.GetSupportDir(SupportDirType.LegacyUser));
}
var key = ExternalMod.MakeKey(mod);
mods.Remove(key);
foreach (var source in sources.Distinct())
{
var path = Path.Combine(source, "ModMetadata", key + ".yaml");
try
{
if (File.Exists(path))
File.Delete(path);
}
catch (Exception e)
{
Log.Write("debug", "Failed to remove mod metadata file '{0}'", path);
Log.Write("debug", e.ToString());
}
}
}
IEnumerable <string> GetSupportDirs(ModRegistration registration)
{
var sources = new HashSet <string>(4);
if (registration.HasFlag(ModRegistration.System))
{
sources.Add(Platform.GetSupportDir(SupportDirType.System));
}
if (registration.HasFlag(ModRegistration.User))
{
// User support dir may be using the modern or legacy value, or overridden by the user
// Add all the possibilities and let the HashSet ignore the duplicates
sources.Add(Platform.GetSupportDir(SupportDirType.User));
sources.Add(Platform.GetSupportDir(SupportDirType.ModernUser));
sources.Add(Platform.GetSupportDir(SupportDirType.LegacyUser));
}
return(sources);
}
/// <summary>
/// Removes invalid mod registrations:
/// * LaunchPath no longer exists
/// * LaunchPath and mod id matches the active mod, but the version is different
/// * Filename doesn't match internal key
/// * Fails to parse as a mod registration
/// </summary>
internal void ClearInvalidRegistrations(ExternalMod activeMod, ModRegistration registration)
{
var sources = new List <string>();
if (registration.HasFlag(ModRegistration.System))
{
sources.Add(Platform.GetSupportDir(SupportDirType.System));
}
if (registration.HasFlag(ModRegistration.User))
{
// User support dir may be using the modern or legacy value, or overridden by the user
// Add all the possibilities and let the .Distinct() below ignore the duplicates
sources.Add(Platform.GetSupportDir(SupportDirType.User));
sources.Add(Platform.GetSupportDir(SupportDirType.ModernUser));
sources.Add(Platform.GetSupportDir(SupportDirType.LegacyUser));
}
var activeModKey = ExternalMod.MakeKey(activeMod);
foreach (var source in sources.Distinct())
{
var metadataPath = Path.Combine(source, "ModMetadata");
if (!Directory.Exists(metadataPath))
{
continue;
}
foreach (var path in Directory.GetFiles(metadataPath, "*.yaml"))
{
string modKey = null;
try
{
var yaml = MiniYaml.FromStream(File.OpenRead(path), path).First().Value;
var m = FieldLoader.Load <ExternalMod>(yaml);
modKey = ExternalMod.MakeKey(m);
// Continue to the next entry if it is the active mod (even if the LaunchPath is bogus)
if (modKey == activeModKey)
{
continue;
}
// Continue to the next entry if this one is valid
if (File.Exists(m.LaunchPath) && Path.GetFileNameWithoutExtension(path) == modKey &&
!(activeMod != null && m.LaunchPath == activeMod.LaunchPath && m.Id == activeMod.Id && m.Version != activeMod.Version))
{
continue;
}
}
catch (Exception e)
{
Log.Write("debug", "Failed to parse mod metadata file '{0}'", path);
Log.Write("debug", e.ToString());
}
// Remove from the ingame mod switcher
if (Path.GetFileNameWithoutExtension(path) == modKey)
{
mods.Remove(modKey);
}
// Remove stale or corrupted metadata
try
{
File.Delete(path);
Log.Write("debug", "Removed invalid mod metadata file '{0}'", path);
}
catch (Exception e)
{
Log.Write("debug", "Failed to remove mod metadata file '{0}'", path);
Log.Write("debug", e.ToString());
}
}
}
}
internal void Register(Manifest mod, string launchPath, IEnumerable <string> launchArgs, ModRegistration registration)
{
if (mod.Metadata.Hidden)
{
return;
}
var key = ExternalMod.MakeKey(mod);
var yaml = new MiniYamlNode("Registration", new MiniYaml("", new List <MiniYamlNode>()
{
new MiniYamlNode("Id", mod.Id),
new MiniYamlNode("Version", mod.Metadata.Version),
new MiniYamlNode("Title", mod.Metadata.Title),
new MiniYamlNode("LaunchPath", launchPath),
new MiniYamlNode("LaunchArgs", new[] { "Game.Mod=" + mod.Id }.Concat(launchArgs).JoinWith(", "))
}));
using (var stream = mod.Package.GetStream("icon.png"))
if (stream != null)
{
yaml.Value.Nodes.Add(new MiniYamlNode("Icon", Convert.ToBase64String(stream.ReadAllBytes())));
}
using (var stream = mod.Package.GetStream("icon-2x.png"))
if (stream != null)
{
yaml.Value.Nodes.Add(new MiniYamlNode("Icon2x", Convert.ToBase64String(stream.ReadAllBytes())));
}
using (var stream = mod.Package.GetStream("icon-3x.png"))
if (stream != null)
{
yaml.Value.Nodes.Add(new MiniYamlNode("Icon3x", Convert.ToBase64String(stream.ReadAllBytes())));
}
var sources = new List <string>();
if (registration.HasFlag(ModRegistration.System))
{
sources.Add(Platform.GetSupportDir(SupportDirType.System));
}
if (registration.HasFlag(ModRegistration.User))
{
sources.Add(Platform.GetSupportDir(SupportDirType.User));
// If using the modern support dir we must also write the registration
// to the legacy support dir for older engine versions, but ONLY if it exists
var legacyPath = Platform.GetSupportDir(SupportDirType.LegacyUser);
if (Directory.Exists(legacyPath))
{
sources.Add(legacyPath);
}
}
// Make sure the mod is available for this session, even if saving it fails
LoadMod(yaml.Value, forceRegistration: true);
var lines = new List <MiniYamlNode> {
yaml
}.ToLines().ToArray();
foreach (var source in sources.Distinct())
{
var metadataPath = Path.Combine(source, "ModMetadata");
try
{
Directory.CreateDirectory(metadataPath);
File.WriteAllLines(Path.Combine(metadataPath, key + ".yaml"), lines);
}
catch (Exception e)
{
Log.Write("debug", "Failed to register current mod metadata");
Log.Write("debug", e.ToString());
}
}
}