#nullable enable
|
|
using IPA.Config;
|
|
using IPA.Loader.Features;
|
|
using IPA.Logging;
|
|
using IPA.Utilities;
|
|
using Mono.Cecil;
|
|
using Newtonsoft.Json;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Text.RegularExpressions;
|
|
using System.Diagnostics.CodeAnalysis;
|
|
using System.Diagnostics;
|
|
using IPA.AntiMalware;
|
|
using Hive.Versioning;
|
|
#if NET4
|
|
using Task = System.Threading.Tasks.Task;
|
|
using TaskEx = System.Threading.Tasks.Task;
|
|
#endif
|
|
#if NET3
|
|
using Net3_Proxy;
|
|
using Path = Net3_Proxy.Path;
|
|
using File = Net3_Proxy.File;
|
|
using Directory = Net3_Proxy.Directory;
|
|
#endif
|
|
|
|
namespace IPA.Loader
|
|
{
|
|
/// <summary>
|
|
/// A type to manage the loading of plugins.
|
|
/// </summary>
|
|
|
|
internal partial class PluginLoader
|
|
{
|
|
internal static PluginMetadata SelfMeta = null!;
|
|
|
|
internal static Task LoadTask() =>
|
|
TaskEx.Run(() =>
|
|
{
|
|
YeetIfNeeded();
|
|
|
|
var sw = Stopwatch.StartNew();
|
|
|
|
LoadMetadata();
|
|
|
|
sw.Stop();
|
|
Logger.Loader.Info($"Loading metadata took {sw.Elapsed}");
|
|
sw.Reset();
|
|
|
|
sw.Start();
|
|
|
|
// Features contribute to load order considerations
|
|
InitFeatures();
|
|
DoOrderResolution();
|
|
|
|
sw.Stop();
|
|
Logger.Loader.Info($"Calculating load order took {sw.Elapsed}");
|
|
});
|
|
|
|
internal static void YeetIfNeeded()
|
|
{
|
|
string pluginDir = UnityGame.PluginsPath;
|
|
|
|
if (SelfConfig.YeetMods_ && UnityGame.IsGameVersionBoundary)
|
|
{
|
|
var oldPluginsName = Path.Combine(UnityGame.InstallPath, $"Old {UnityGame.OldVersion} Plugins");
|
|
var newPluginsName = Path.Combine(UnityGame.InstallPath, $"Old {UnityGame.GameVersion} Plugins");
|
|
|
|
if (Directory.Exists(oldPluginsName))
|
|
Directory.Delete(oldPluginsName, true);
|
|
Directory.Move(pluginDir, oldPluginsName);
|
|
if (Directory.Exists(newPluginsName))
|
|
Directory.Move(newPluginsName, pluginDir);
|
|
else
|
|
_ = Directory.CreateDirectory(pluginDir);
|
|
}
|
|
}
|
|
|
|
internal static List<PluginMetadata> PluginsMetadata = new();
|
|
internal static List<PluginMetadata> DisabledPlugins = new();
|
|
|
|
private static readonly Regex embeddedTextDescriptionPattern = new(@"#!\[(.+)\]", RegexOptions.Compiled | RegexOptions.Singleline);
|
|
|
|
internal static void LoadMetadata()
|
|
{
|
|
string[] plugins = Directory.GetFiles(UnityGame.PluginsPath, "*.dll");
|
|
|
|
try
|
|
{
|
|
var selfMeta = new PluginMetadata
|
|
{
|
|
Assembly = Assembly.GetExecutingAssembly(),
|
|
File = new FileInfo(Path.Combine(UnityGame.InstallPath, "IPA.exe")),
|
|
PluginType = null,
|
|
IsSelf = true
|
|
};
|
|
|
|
string manifest;
|
|
using (var manifestReader =
|
|
new StreamReader(
|
|
selfMeta.Assembly.GetManifestResourceStream(typeof(PluginLoader), "manifest.json") ??
|
|
throw new InvalidOperationException()))
|
|
manifest = manifestReader.ReadToEnd();
|
|
|
|
var manifestObj = JsonConvert.DeserializeObject<PluginManifest>(manifest);
|
|
selfMeta.Manifest = manifestObj ?? throw new InvalidOperationException("Deserialized manifest was null");
|
|
|
|
PluginsMetadata.Add(selfMeta);
|
|
SelfMeta = selfMeta;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Critical("Error loading own manifest");
|
|
Logger.Loader.Critical(e);
|
|
}
|
|
|
|
using var resolver = new CecilLibLoader();
|
|
resolver.AddSearchDirectory(UnityGame.LibraryPath);
|
|
resolver.AddSearchDirectory(UnityGame.PluginsPath);
|
|
foreach (var plugin in plugins)
|
|
{
|
|
var metadata = new PluginMetadata
|
|
{
|
|
File = new FileInfo(Path.Combine(UnityGame.PluginsPath, plugin)),
|
|
IsSelf = false
|
|
};
|
|
|
|
try
|
|
{
|
|
var scanResult = AntiMalwareEngine.Engine.ScanFile(metadata.File);
|
|
if (scanResult is ScanResult.Detected)
|
|
{
|
|
Logger.Loader.Warn($"Scan of {plugin} found malware; not loading");
|
|
continue;
|
|
}
|
|
if (!SelfConfig.AntiMalware_.RunPartialThreatCode_ && scanResult is not ScanResult.KnownSafe and not ScanResult.NotDetected)
|
|
{
|
|
Logger.Loader.Warn($"Scan of {plugin} found partial threat; not loading. To load this, set AntiMalware.RunPartialThreatCode in the config.");
|
|
continue;
|
|
}
|
|
|
|
var pluginModule = AssemblyDefinition.ReadAssembly(metadata.File.FullName, new ReaderParameters
|
|
{
|
|
ReadingMode = ReadingMode.Immediate,
|
|
ReadWrite = false,
|
|
AssemblyResolver = resolver
|
|
}).MainModule;
|
|
|
|
string pluginNs = "";
|
|
|
|
PluginManifest? pluginManifest = null;
|
|
foreach (var resource in pluginModule.Resources)
|
|
{
|
|
const string manifestSuffix = ".manifest.json";
|
|
if (resource is not EmbeddedResource embedded ||
|
|
!embedded.Name.EndsWith(manifestSuffix, StringComparison.Ordinal)) continue;
|
|
|
|
pluginNs = embedded.Name.Substring(0, embedded.Name.Length - manifestSuffix.Length);
|
|
|
|
string manifest;
|
|
using (var manifestReader = new StreamReader(embedded.GetResourceStream()))
|
|
manifest = manifestReader.ReadToEnd();
|
|
|
|
pluginManifest = JsonConvert.DeserializeObject<PluginManifest?>(manifest);
|
|
break;
|
|
}
|
|
|
|
if (pluginManifest == null)
|
|
{
|
|
#if DIRE_LOADER_WARNINGS
|
|
Logger.loader.Error($"Could not find manifest.json for {Path.GetFileName(plugin)}");
|
|
#else
|
|
Logger.Loader.Notice($"No manifest.json in {Path.GetFileName(plugin)}");
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
if (pluginManifest.Id == null)
|
|
{
|
|
Logger.Loader.Warn($"Plugin '{pluginManifest.Name}' does not have a listed ID, using name");
|
|
pluginManifest.Id = pluginManifest.Name;
|
|
}
|
|
|
|
metadata.Manifest = pluginManifest;
|
|
|
|
bool TryPopulatePluginType(TypeDefinition type, PluginMetadata meta)
|
|
{
|
|
if (!type.HasCustomAttributes)
|
|
return false;
|
|
|
|
var attr = type.CustomAttributes.FirstOrDefault(a => a.Constructor.DeclaringType.FullName == typeof(PluginAttribute).FullName);
|
|
if (attr is null)
|
|
return false;
|
|
|
|
if (!attr.HasConstructorArguments)
|
|
{
|
|
Logger.Loader.Warn($"Attribute plugin found in {type.FullName}, but attribute has no arguments");
|
|
return false;
|
|
}
|
|
|
|
var args = attr.ConstructorArguments;
|
|
if (args.Count != 1)
|
|
{
|
|
Logger.Loader.Warn($"Attribute plugin found in {type.FullName}, but attribute has unexpected number of arguments");
|
|
return false;
|
|
}
|
|
var rtOptionsArg = args[0];
|
|
if (rtOptionsArg.Type.FullName != typeof(RuntimeOptions).FullName)
|
|
{
|
|
Logger.Loader.Warn($"Attribute plugin found in {type.FullName}, but first argument is of unexpected type {rtOptionsArg.Type.FullName}");
|
|
return false;
|
|
}
|
|
|
|
var rtOptionsValInt = (int)rtOptionsArg.Value; // `int` is the underlying type of RuntimeOptions
|
|
|
|
meta.RuntimeOptions = (RuntimeOptions)rtOptionsValInt;
|
|
meta.PluginType = type;
|
|
return true;
|
|
}
|
|
|
|
void TryGetNamespacedPluginType(string ns, PluginMetadata meta)
|
|
{
|
|
foreach (var type in pluginModule.Types)
|
|
{
|
|
if (type.Namespace != ns) continue;
|
|
|
|
if (TryPopulatePluginType(type, meta))
|
|
return;
|
|
}
|
|
}
|
|
|
|
var hint = metadata.Manifest.Misc?.PluginMainHint;
|
|
|
|
if (hint != null)
|
|
{
|
|
var type = pluginModule.GetType(hint);
|
|
if (type == null || !TryPopulatePluginType(type, metadata))
|
|
TryGetNamespacedPluginType(hint, metadata);
|
|
}
|
|
|
|
if (metadata.PluginType == null)
|
|
TryGetNamespacedPluginType(pluginNs, metadata);
|
|
|
|
if (metadata.PluginType == null)
|
|
{
|
|
Logger.Loader.Error($"No plugin found in the manifest {(hint != null ? $"hint path ({hint}) or " : "")}namespace ({pluginNs}) in {Path.GetFileName(plugin)}");
|
|
continue;
|
|
}
|
|
|
|
Logger.Loader.Debug($"Adding info for {Path.GetFileName(plugin)}");
|
|
PluginsMetadata.Add(metadata);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Error($"Could not load data for plugin {Path.GetFileName(plugin)}");
|
|
Logger.Loader.Error(e);
|
|
ignoredPlugins.Add(metadata, new IgnoreReason(Reason.Error)
|
|
{
|
|
ReasonText = "An error occurred loading the data",
|
|
Error = e
|
|
});
|
|
}
|
|
}
|
|
|
|
IEnumerable<string> bareManifests = Directory.GetFiles(UnityGame.PluginsPath, "*.json");
|
|
bareManifests = bareManifests.Concat(Directory.GetFiles(UnityGame.PluginsPath, "*.manifest"));
|
|
foreach (var manifest in bareManifests)
|
|
{
|
|
try
|
|
{
|
|
var metadata = new PluginMetadata
|
|
{
|
|
File = new FileInfo(Path.Combine(UnityGame.PluginsPath, manifest)),
|
|
IsSelf = false,
|
|
IsBare = true,
|
|
};
|
|
|
|
var manifestObj = JsonConvert.DeserializeObject<PluginManifest>(File.ReadAllText(manifest));
|
|
if (manifestObj is null)
|
|
{
|
|
Logger.Loader.Error($"Bare manifest {Path.GetFileName(manifest)} deserialized to null");
|
|
continue;
|
|
}
|
|
|
|
metadata.Manifest = manifestObj;
|
|
|
|
if (metadata.Manifest.Files.Length < 1)
|
|
Logger.Loader.Warn($"Bare manifest {Path.GetFileName(manifest)} does not declare any files. " +
|
|
$"Dependency resolution and verification cannot be completed.");
|
|
|
|
Logger.Loader.Debug($"Adding info for bare manifest {Path.GetFileName(manifest)}");
|
|
PluginsMetadata.Add(metadata);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Error($"Could not load data for bare manifest {Path.GetFileName(manifest)}");
|
|
Logger.Loader.Error(e);
|
|
}
|
|
}
|
|
|
|
foreach (var meta in PluginsMetadata)
|
|
{ // process description include
|
|
var lines = meta.Manifest.Description.Split('\n');
|
|
var m = embeddedTextDescriptionPattern.Match(lines[0]);
|
|
if (m.Success)
|
|
{
|
|
if (meta.IsBare)
|
|
{
|
|
Logger.Loader.Warn($"Bare manifest cannot specify description file");
|
|
meta.Manifest.Description = string.Join("\n", lines.Skip(1).StrJP()); // ignore first line
|
|
continue;
|
|
}
|
|
|
|
var name = m.Groups[1].Value;
|
|
string description;
|
|
if (!meta.IsSelf)
|
|
{
|
|
// plugin type must be non-null for non-self plugins
|
|
var resc = meta.PluginType!.Module.Resources.Select(r => r as EmbeddedResource)
|
|
.NonNull()
|
|
.FirstOrDefault(r => r.Name == name);
|
|
if (resc == null)
|
|
{
|
|
Logger.Loader.Warn($"Could not find description file for plugin {meta.Name} ({name}); ignoring include");
|
|
meta.Manifest.Description = string.Join("\n", lines.Skip(1).StrJP()); // ignore first line
|
|
continue;
|
|
}
|
|
|
|
using var reader = new StreamReader(resc.GetResourceStream());
|
|
description = reader.ReadToEnd();
|
|
}
|
|
else
|
|
{
|
|
using var descriptionReader = new StreamReader(meta.Assembly.GetManifestResourceStream(name));
|
|
description = descriptionReader.ReadToEnd();
|
|
}
|
|
|
|
meta.Manifest.Description = description;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#region Ignore stuff
|
|
/// <summary>
|
|
/// An enum that represents several categories of ignore reasons that the loader may encounter.
|
|
/// </summary>
|
|
/// <seealso cref="IgnoreReason"/>
|
|
public enum Reason
|
|
{
|
|
/// <summary>
|
|
/// An error was thrown either loading plugin information from disk, or when initializing the plugin.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// When this is the set <see cref="Reason"/> in an <see cref="IgnoreReason"/> structure, the member
|
|
/// <see cref="IgnoreReason.Error"/> will contain the thrown exception.
|
|
/// </remarks>
|
|
Error,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with has the same ID as another plugin whose information was
|
|
/// already loaded.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// When this is the set <see cref="Reason"/> in an <see cref="IgnoreReason"/> structure, the member
|
|
/// <see cref="IgnoreReason.RelatedTo"/> will contain the metadata of the already loaded plugin.
|
|
/// </remarks>
|
|
Duplicate,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with conflicts with another already loaded plugin.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// When this is the set <see cref="Reason"/> in an <see cref="IgnoreReason"/> structure, the member
|
|
/// <see cref="IgnoreReason.RelatedTo"/> will contain the metadata of the plugin it conflicts with.
|
|
/// </remarks>
|
|
Conflict,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with is missing a dependency.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Since this is only given when a dependency is missing, <see cref="IgnoreReason.RelatedTo"/> will
|
|
/// not be set.
|
|
/// </remarks>
|
|
Dependency,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with was released for a game update, but is still considered
|
|
/// present for the purposes of updating.
|
|
/// </summary>
|
|
Released,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with was denied from loading by a <see cref="Features.Feature"/>
|
|
/// that it marks.
|
|
/// </summary>
|
|
Feature,
|
|
/// <summary>
|
|
/// The plugin this reason is associated with is unsupported.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Currently, there is no path in the loader that emits this <see cref="Reason"/>, however there may
|
|
/// be in the future.
|
|
/// </remarks>
|
|
Unsupported,
|
|
/// <summary>
|
|
/// One of the files that a plugin declared in its manifest is missing.
|
|
/// </summary>
|
|
MissingFiles
|
|
}
|
|
/// <summary>
|
|
/// A structure describing the reason that a plugin was ignored.
|
|
/// </summary>
|
|
public struct IgnoreReason : IEquatable<IgnoreReason>
|
|
{
|
|
/// <summary>
|
|
/// Gets the ignore reason, as represented by the <see cref="Loader.Reason"/> enum.
|
|
/// </summary>
|
|
public Reason Reason { get; }
|
|
/// <summary>
|
|
/// Gets the textual description of the particular ignore reason. This will typically
|
|
/// include details about why the plugin was ignored, if it is present.
|
|
/// </summary>
|
|
public string? ReasonText { get; internal set; }
|
|
/// <summary>
|
|
/// Gets the <see cref="Exception"/> that caused this plugin to be ignored, if any.
|
|
/// </summary>
|
|
public Exception? Error { get; internal set; }
|
|
/// <summary>
|
|
/// Gets the metadata of the plugin that this ignore was related to, if any.
|
|
/// </summary>
|
|
public PluginMetadata? RelatedTo { get; internal set; }
|
|
/// <summary>
|
|
/// Initializes an <see cref="IgnoreReason"/> with the provided data.
|
|
/// </summary>
|
|
/// <param name="reason">the <see cref="Loader.Reason"/> enum value that describes this reason</param>
|
|
/// <param name="reasonText">the textual description of this ignore reason, if any</param>
|
|
/// <param name="error">the <see cref="Exception"/> that caused this <see cref="IgnoreReason"/>, if any</param>
|
|
/// <param name="relatedTo">the <see cref="PluginMetadata"/> this reason is related to, if any</param>
|
|
public IgnoreReason(Reason reason, string? reasonText = null, Exception? error = null, PluginMetadata? relatedTo = null)
|
|
{
|
|
Reason = reason;
|
|
ReasonText = reasonText;
|
|
Error = error;
|
|
RelatedTo = relatedTo;
|
|
}
|
|
|
|
/// <inheritdoc/>
|
|
public override bool Equals(object obj)
|
|
=> obj is IgnoreReason ir && Equals(ir);
|
|
/// <summary>
|
|
/// Compares this <see cref="IgnoreReason"/> with <paramref name="other"/> for equality.
|
|
/// </summary>
|
|
/// <param name="other">the reason to compare to</param>
|
|
/// <returns><see langword="true"/> if the two reasons compare equal, <see langword="false"/> otherwise</returns>
|
|
public bool Equals(IgnoreReason other)
|
|
=> Reason == other.Reason && ReasonText == other.ReasonText
|
|
&& Error == other.Error && RelatedTo == other.RelatedTo;
|
|
|
|
/// <inheritdoc/>
|
|
public override int GetHashCode()
|
|
{
|
|
int hashCode = 778404373;
|
|
hashCode = (hashCode * -1521134295) + Reason.GetHashCode();
|
|
hashCode = (hashCode * -1521134295) + ReasonText?.GetHashCode() ?? 0;
|
|
hashCode = (hashCode * -1521134295) + Error?.GetHashCode() ?? 0;
|
|
hashCode = (hashCode * -1521134295) + RelatedTo?.GetHashCode() ?? 0;
|
|
return hashCode;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if two <see cref="IgnoreReason"/>s are equal.
|
|
/// </summary>
|
|
/// <param name="left">the first <see cref="IgnoreReason"/> to compare</param>
|
|
/// <param name="right">the second <see cref="IgnoreReason"/> to compare</param>
|
|
/// <returns><see langword="true"/> if the two reasons compare equal, <see langword="false"/> otherwise</returns>
|
|
public static bool operator ==(IgnoreReason left, IgnoreReason right)
|
|
=> left.Equals(right);
|
|
|
|
/// <summary>
|
|
/// Checks if two <see cref="IgnoreReason"/>s are not equal.
|
|
/// </summary>
|
|
/// <param name="left">the first <see cref="IgnoreReason"/> to compare</param>
|
|
/// <param name="right">the second <see cref="IgnoreReason"/> to compare</param>
|
|
/// <returns><see langword="true"/> if the two reasons are not equal, <see langword="false"/> otherwise</returns>
|
|
public static bool operator !=(IgnoreReason left, IgnoreReason right)
|
|
=> !(left == right);
|
|
}
|
|
#endregion
|
|
|
|
internal partial class PluginLoader
|
|
{
|
|
// keep track of these for the updater; it should still be able to update mods not loaded
|
|
// the thing -> the reason
|
|
internal static Dictionary<PluginMetadata, IgnoreReason> ignoredPlugins = new();
|
|
|
|
internal static void DoOrderResolution()
|
|
{
|
|
#if DEBUG
|
|
// print starting order
|
|
Logger.Loader.Debug(string.Join(", ", PluginsMetadata.StrJP()));
|
|
#endif
|
|
|
|
PluginsMetadata.Sort((a, b) => b.HVersion.CompareTo(a.HVersion));
|
|
|
|
#if DEBUG
|
|
// print base resolution order
|
|
Logger.Loader.Debug(string.Join(", ", PluginsMetadata.StrJP()));
|
|
#endif
|
|
|
|
var metadataCache = new Dictionary<string, (PluginMetadata Meta, bool Enabled)>(PluginsMetadata.Count);
|
|
var pluginsToProcess = new List<PluginMetadata>(PluginsMetadata.Count);
|
|
|
|
var disabledIds = DisabledConfig.Instance.DisabledModIds;
|
|
var disabledPlugins = new List<PluginMetadata>();
|
|
|
|
// build metadata cache
|
|
foreach (var meta in PluginsMetadata)
|
|
{
|
|
if (!metadataCache.TryGetValue(meta.Id, out var existing))
|
|
{
|
|
if (disabledIds.Contains(meta.Id))
|
|
{
|
|
metadataCache.Add(meta.Id, (meta, false));
|
|
disabledPlugins.Add(meta);
|
|
}
|
|
else
|
|
{
|
|
metadataCache.Add(meta.Id, (meta, true));
|
|
pluginsToProcess.Add(meta);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Logger.Loader.Warn($"Found duplicates of {meta.Id}, using newest");
|
|
ignoredPlugins.Add(meta, new(Reason.Duplicate)
|
|
{
|
|
ReasonText = $"Duplicate entry of same ID ({meta.Id})",
|
|
RelatedTo = existing.Meta
|
|
});
|
|
}
|
|
}
|
|
|
|
// preprocess LoadBefore into LoadAfter
|
|
foreach (var (_, (meta, _)) in metadataCache)
|
|
{ // we iterate the metadata cache because it contains both disabled and enabled plugins
|
|
var loadBefore = meta.Manifest.LoadBefore;
|
|
foreach (var id in loadBefore)
|
|
{
|
|
if (metadataCache.TryGetValue(id, out var plugin))
|
|
{
|
|
// if the id exists in our metadata cache, make sure it knows to load after the plugin in kvp
|
|
_ = plugin.Meta.LoadsAfter.Add(meta);
|
|
}
|
|
}
|
|
}
|
|
|
|
// preprocess conflicts to be mutual
|
|
foreach (var (_, (meta, _)) in metadataCache)
|
|
{
|
|
foreach (var (id, range) in meta.Manifest.Conflicts)
|
|
{
|
|
if (metadataCache.TryGetValue(id, out var plugin)
|
|
&& range.Matches(plugin.Meta.HVersion))
|
|
{
|
|
// make sure that there's a mutual dependency
|
|
var targetRange = VersionRange.ForVersion(meta.HVersion);
|
|
var targetConflicts = plugin.Meta.Manifest.Conflicts;
|
|
if (!targetConflicts.TryGetValue(meta.Id, out var realRange))
|
|
{
|
|
// there's not already a listed conflict
|
|
targetConflicts.Add(meta.Id, targetRange);
|
|
}
|
|
else if (!realRange.Matches(meta.HVersion))
|
|
{
|
|
// there is already a listed conflict that isn't mutual
|
|
targetRange = realRange | targetRange;
|
|
targetConflicts[meta.Id] = targetRange;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var loadedPlugins = new Dictionary<string, (PluginMetadata Meta, bool Disabled, bool Ignored)>();
|
|
var outputOrder = new List<PluginMetadata>(PluginsMetadata.Count);
|
|
var isProcessing = new HashSet<PluginMetadata>();
|
|
|
|
{
|
|
bool TryResolveId(string id, [MaybeNullWhen(false)] out PluginMetadata meta, out bool disabled, out bool ignored, bool partial = false)
|
|
{
|
|
meta = null;
|
|
disabled = false;
|
|
ignored = true;
|
|
Logger.Loader.Trace($"Trying to resolve plugin '{id}' partial:{partial}");
|
|
if (loadedPlugins.TryGetValue(id, out var foundMeta))
|
|
{
|
|
meta = foundMeta.Meta;
|
|
disabled = foundMeta.Disabled;
|
|
ignored = foundMeta.Ignored;
|
|
Logger.Loader.Trace($"- Found already processed");
|
|
return true;
|
|
}
|
|
if (metadataCache!.TryGetValue(id, out var plugin))
|
|
{
|
|
Logger.Loader.Trace($"- In metadata cache");
|
|
if (partial)
|
|
{
|
|
Logger.Loader.Trace($" - but requested in a partial lookup");
|
|
return false;
|
|
}
|
|
|
|
disabled = !plugin.Enabled;
|
|
meta = plugin.Meta;
|
|
if (!disabled)
|
|
{
|
|
try
|
|
{
|
|
ignored = false;
|
|
Resolve(plugin.Meta, ref disabled, out ignored);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
if (e is not DependencyResolutionLoopException)
|
|
{
|
|
Logger.Loader.Error($"While performing load order resolution for {id}:");
|
|
Logger.Loader.Error(e);
|
|
}
|
|
|
|
if (!ignored)
|
|
{
|
|
ignoredPlugins.Add(plugin.Meta, new(Reason.Error)
|
|
{
|
|
Error = e
|
|
});
|
|
}
|
|
|
|
ignored = true;
|
|
}
|
|
}
|
|
|
|
if (!loadedPlugins.ContainsKey(id))
|
|
{
|
|
// this condition is specifically for when we fail resolution because of a graph loop
|
|
Logger.Loader.Trace($"- '{id}' resolved as ignored:{ignored},disabled:{disabled}");
|
|
loadedPlugins.Add(id, (plugin.Meta, disabled, ignored));
|
|
}
|
|
return true;
|
|
}
|
|
Logger.Loader.Trace($"- Not found");
|
|
return false;
|
|
}
|
|
|
|
void Resolve(PluginMetadata plugin, ref bool disabled, out bool ignored)
|
|
{
|
|
Logger.Loader.Trace($">Resolving '{plugin.Name}'");
|
|
|
|
// first we need to check for loops in the resolution graph to prevent stack overflows
|
|
if (isProcessing.Contains(plugin))
|
|
{
|
|
Logger.Loader.Error($"Loop detected while processing '{plugin.Name}'; flagging as ignored");
|
|
throw new DependencyResolutionLoopException();
|
|
}
|
|
|
|
isProcessing.Add(plugin);
|
|
using var _removeProcessing = Utils.ScopeGuard(() => isProcessing.Remove(plugin));
|
|
|
|
// if this method is being called, this is the first and only time that it has been called for this plugin.
|
|
|
|
ignored = false;
|
|
|
|
// perform file existence check before attempting to load dependencies
|
|
foreach (var file in plugin.AssociatedFiles)
|
|
{
|
|
if (!file.Exists)
|
|
{
|
|
ignoredPlugins.Add(plugin, new IgnoreReason(Reason.MissingFiles)
|
|
{
|
|
ReasonText = $"File {Utils.GetRelativePath(file.FullName, UnityGame.InstallPath)} does not exist"
|
|
});
|
|
Logger.Loader.Warn($"File {Utils.GetRelativePath(file.FullName, UnityGame.InstallPath)}" +
|
|
$" (declared by '{plugin.Name}') does not exist! Mod installation is incomplete, not loading it.");
|
|
ignored = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// first load dependencies
|
|
var dependsOnSelf = false;
|
|
foreach (var (id, range) in plugin.Manifest.Dependencies)
|
|
{
|
|
if (id == SelfMeta.Id)
|
|
dependsOnSelf = true;
|
|
if (!TryResolveId(id, out var depMeta, out var depDisabled, out var depIgnored)
|
|
|| !range.Matches(depMeta.HVersion))
|
|
{
|
|
Logger.Loader.Warn($"'{plugin.Id}' is missing dependency '{id}@{range}'; ignoring");
|
|
ignoredPlugins.Add(plugin, new(Reason.Dependency)
|
|
{
|
|
ReasonText = $"Dependency '{id}@{range}' not found",
|
|
});
|
|
ignored = true;
|
|
return;
|
|
}
|
|
// make a point to propagate ignored
|
|
if (depIgnored)
|
|
{
|
|
Logger.Loader.Warn($"Dependency '{id}' for '{plugin.Id}' previously ignored; ignoring '{plugin.Id}'");
|
|
ignoredPlugins.Add(plugin, new(Reason.Dependency)
|
|
{
|
|
ReasonText = $"Dependency '{id}' ignored",
|
|
RelatedTo = depMeta
|
|
});
|
|
ignored = true;
|
|
return;
|
|
}
|
|
// make a point to propagate disabled
|
|
if (depDisabled)
|
|
{
|
|
Logger.Loader.Warn($"Dependency '{id}' for '{plugin.Id}' disabled; disabling");
|
|
disabledPlugins!.Add(plugin);
|
|
_ = disabledIds!.Add(plugin.Id);
|
|
disabled = true;
|
|
}
|
|
|
|
// we found our dep, lets save the metadata and keep going
|
|
_ = plugin.Dependencies.Add(depMeta);
|
|
}
|
|
|
|
// make sure the plugin depends on the loader (assuming it actually needs to)
|
|
if (!dependsOnSelf && !plugin.IsSelf && !plugin.IsBare)
|
|
{
|
|
Logger.Loader.Warn($"Plugin '{plugin.Id}' does not depend on any particular loader version; assuming its incompatible");
|
|
ignoredPlugins.Add(plugin, new(Reason.Dependency)
|
|
{
|
|
ReasonText = "Does not depend on any loader version, so it is assumed to be incompatible",
|
|
RelatedTo = SelfMeta
|
|
});
|
|
ignored = true;
|
|
return;
|
|
}
|
|
|
|
// exit early if we've decided we need to be disabled
|
|
if (disabled)
|
|
return;
|
|
|
|
// handle LoadsAfter populated by Features processing
|
|
foreach (var loadAfter in plugin.LoadsAfter)
|
|
{
|
|
if (TryResolveId(loadAfter.Id, out _, out _, out _))
|
|
{
|
|
// do nothing, because the plugin is already in the LoadsAfter set
|
|
}
|
|
}
|
|
|
|
// then handle loadafters
|
|
foreach (var id in plugin.Manifest.LoadAfter)
|
|
{
|
|
if (TryResolveId(id, out var meta, out var depDisabled, out var depIgnored))
|
|
{
|
|
// we only want to make sure to loadafter if its not ignored
|
|
// if its disabled, we still wanna track it where possible
|
|
_ = plugin.LoadsAfter.Add(meta);
|
|
}
|
|
}
|
|
|
|
// after we handle dependencies and loadafters, then check conflicts
|
|
foreach (var (id, range) in plugin.Manifest.Conflicts)
|
|
{
|
|
Logger.Loader.Trace($">- Checking conflict '{id}' {range}");
|
|
// this lookup must be partial to prevent loadBefore/conflictsWith from creating a recursion loop
|
|
if (TryResolveId(id, out var meta, out var conflDisabled, out var conflIgnored, partial: true)
|
|
&& range.Matches(meta.HVersion)
|
|
&& !conflIgnored && !conflDisabled) // the conflict is only *actually* a problem if it is both not ignored and not disabled
|
|
{
|
|
|
|
Logger.Loader.Warn($"Plugin '{plugin.Id}' conflicts with {meta.Id}@{meta.HVersion}; ignoring '{plugin.Id}'");
|
|
ignoredPlugins.Add(plugin, new(Reason.Conflict)
|
|
{
|
|
ReasonText = $"Conflicts with {meta.Id}@{meta.HVersion}",
|
|
RelatedTo = meta
|
|
});
|
|
ignored = true;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// specifically check if some strange stuff happened (like graph loops) causing this to be ignored
|
|
// from some other invocation
|
|
if (!ignoredPlugins.ContainsKey(plugin))
|
|
{
|
|
// we can now load the current plugin
|
|
Logger.Loader.Trace($"->'{plugin.Name}' loads here");
|
|
outputOrder!.Add(plugin);
|
|
}
|
|
|
|
// loadbefores have already been preprocessed into loadafters
|
|
|
|
Logger.Loader.Trace($">Processed '{plugin.Name}'");
|
|
}
|
|
|
|
// run TryResolveId over every plugin, which recursively calculates load order
|
|
foreach (var plugin in pluginsToProcess)
|
|
{
|
|
_ = TryResolveId(plugin.Id, out _, out _, out _);
|
|
}
|
|
// by this point, outputOrder contains the full load order
|
|
}
|
|
|
|
DisabledConfig.Instance.Changed();
|
|
DisabledPlugins = disabledPlugins;
|
|
PluginsMetadata = outputOrder;
|
|
}
|
|
|
|
internal static void InitFeatures()
|
|
{
|
|
foreach (var meta in PluginsMetadata)
|
|
{
|
|
foreach (var feature in meta.Manifest.Features
|
|
.SelectMany(f => f.Value.Select(o => (f.Key, o)))
|
|
.Select(t => new Feature.Instance(meta, t.Key, t.o)))
|
|
{
|
|
if (feature.TryGetDefiningPlugin(out var plugin) && plugin == null)
|
|
{ // this is a DefineFeature, so we want to initialize it early
|
|
if (!feature.TryCreate(out var inst))
|
|
{
|
|
Logger.Features.Error($"Error evaluating {feature.Name}: {inst.InvalidMessage}");
|
|
}
|
|
else
|
|
{
|
|
meta.InternalFeatures.Add(inst);
|
|
}
|
|
}
|
|
else
|
|
{ // this is literally any other feature, so we want to delay its initialization
|
|
_ = meta.UnloadedFeatures.Add(feature);
|
|
}
|
|
}
|
|
}
|
|
|
|
// at this point we have pre-initialized all features, so we can go ahead and use them to add stuff to the dep resolver
|
|
foreach (var meta in PluginsMetadata)
|
|
{
|
|
foreach (var feature in meta.UnloadedFeatures)
|
|
{
|
|
if (feature.TryGetDefiningPlugin(out var plugin))
|
|
{
|
|
if (plugin != meta && plugin != null)
|
|
{ // if the feature is not applied to the defining feature
|
|
_ = meta.LoadsAfter.Add(plugin);
|
|
}
|
|
|
|
if (plugin != null)
|
|
{
|
|
plugin.CreateFeaturesWhenLoaded.Add(feature);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Logger.Features.Warn($"No such feature {feature.Name}");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal static void ReleaseAll(bool full = false)
|
|
{
|
|
if (full)
|
|
{
|
|
ignoredPlugins = new();
|
|
}
|
|
else
|
|
{
|
|
foreach (var m in PluginsMetadata)
|
|
ignoredPlugins.Add(m, new IgnoreReason(Reason.Released));
|
|
foreach (var m in ignoredPlugins.Keys)
|
|
{ // clean them up so we can still use the metadata for updates
|
|
m.InternalFeatures.Clear();
|
|
m.PluginType = null;
|
|
m.Assembly = null!;
|
|
}
|
|
}
|
|
PluginsMetadata = new List<PluginMetadata>();
|
|
DisabledPlugins = new List<PluginMetadata>();
|
|
Feature.Reset();
|
|
GC.Collect();
|
|
GC.WaitForPendingFinalizers();
|
|
}
|
|
|
|
internal static void Load(PluginMetadata meta)
|
|
{
|
|
if (meta is { Assembly: null, PluginType: not null })
|
|
meta.Assembly = Assembly.LoadFrom(meta.File.FullName);
|
|
}
|
|
|
|
internal static PluginExecutor? InitPlugin(PluginMetadata meta, IEnumerable<PluginMetadata> alreadyLoaded)
|
|
{
|
|
if (meta.Manifest.GameVersion is { } gv && gv != UnityGame.GameVersion)
|
|
Logger.Loader.Warn($"Mod {meta.Name} developed for game version {gv}, so it may not work properly.");
|
|
|
|
if (meta.IsSelf)
|
|
return new PluginExecutor(meta, PluginExecutor.Special.Self);
|
|
|
|
foreach (var dep in meta.Dependencies)
|
|
{
|
|
if (alreadyLoaded.Contains(dep)) continue;
|
|
|
|
// otherwise...
|
|
|
|
if (ignoredPlugins.TryGetValue(dep, out var reason))
|
|
{ // was added to the ignore list
|
|
ignoredPlugins.Add(meta, new IgnoreReason(Reason.Dependency)
|
|
{
|
|
ReasonText = $"Dependency was ignored at load time: {reason.ReasonText}",
|
|
RelatedTo = dep
|
|
});
|
|
}
|
|
else
|
|
{ // was not added to ignore list
|
|
ignoredPlugins.Add(meta, new IgnoreReason(Reason.Dependency)
|
|
{
|
|
ReasonText = $"Dependency was not already loaded at load time, but was also not ignored",
|
|
RelatedTo = dep
|
|
});
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
if (meta.IsBare)
|
|
return new PluginExecutor(meta, PluginExecutor.Special.Bare);
|
|
|
|
Load(meta);
|
|
|
|
PluginExecutor exec;
|
|
try
|
|
{
|
|
exec = new PluginExecutor(meta);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Error($"Error creating executor for {meta.Name}");
|
|
Logger.Loader.Error(e);
|
|
return null;
|
|
}
|
|
|
|
foreach (var feature in meta.Features)
|
|
{
|
|
try
|
|
{
|
|
feature.BeforeInit(meta);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Critical($"Feature errored in {nameof(Feature.BeforeInit)}:");
|
|
Logger.Loader.Critical(e);
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
exec.Create();
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Error($"Could not init plugin {meta.Name}");
|
|
Logger.Loader.Error(e);
|
|
ignoredPlugins.Add(meta, new IgnoreReason(Reason.Error)
|
|
{
|
|
ReasonText = "Error occurred while initializing",
|
|
Error = e
|
|
});
|
|
return null;
|
|
}
|
|
|
|
// TODO: make this new features system behave better wrt DynamicInit plugins
|
|
foreach (var feature in meta.CreateFeaturesWhenLoaded)
|
|
{
|
|
if (!feature.TryCreate(out var inst))
|
|
{
|
|
Logger.Features.Warn($"Could not create instance of feature {feature.Name}: {inst.InvalidMessage}");
|
|
}
|
|
else
|
|
{
|
|
feature.AppliedTo.InternalFeatures.Add(inst);
|
|
_ = feature.AppliedTo.UnloadedFeatures.Remove(feature);
|
|
}
|
|
}
|
|
meta.CreateFeaturesWhenLoaded.Clear(); // if a plugin is loaded twice, for the moment, we don't want to create the feature twice
|
|
|
|
foreach (var feature in meta.Features)
|
|
try
|
|
{
|
|
feature.AfterInit(meta, exec.Instance);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Loader.Critical($"Feature errored in {nameof(Feature.AfterInit)}:");
|
|
Logger.Loader.Critical(e);
|
|
}
|
|
|
|
return exec;
|
|
}
|
|
|
|
internal static bool IsFirstLoadComplete { get; private set; }
|
|
|
|
internal static List<PluginExecutor> LoadPlugins()
|
|
{
|
|
DisabledPlugins.ForEach(Load); // make sure they get loaded into memory so their metadata and stuff can be read more easily
|
|
|
|
var list = new List<PluginExecutor>();
|
|
var loaded = new HashSet<PluginMetadata>();
|
|
foreach (var meta in PluginsMetadata)
|
|
{
|
|
try
|
|
{
|
|
var exec = InitPlugin(meta, loaded);
|
|
if (exec != null)
|
|
{
|
|
list.Add(exec);
|
|
_ = loaded.Add(meta);
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Default.Critical($"Uncaught exception while loading plugin {meta.Name}:");
|
|
Logger.Default.Critical(e);
|
|
}
|
|
}
|
|
|
|
// TODO: should this be somewhere else?
|
|
IsFirstLoadComplete = true;
|
|
|
|
return list;
|
|
}
|
|
}
|
|
}
|