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466 lines
22 KiB
466 lines
22 KiB
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text;
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using IPA.Config;
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using IPA.Old;
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using IPA.Utilities;
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using Mono.Cecil;
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using UnityEngine;
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using Logger = IPA.Logging.Logger;
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using System.Threading.Tasks;
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using IPA.Utilities.Async;
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#if NET4
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using TaskEx = System.Threading.Tasks.Task;
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using TaskEx6 = System.Threading.Tasks.Task;
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using Task = System.Threading.Tasks.Task;
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#endif
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#if NET3
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using Net3_Proxy;
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using Path = Net3_Proxy.Path;
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using File = Net3_Proxy.File;
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using Directory = Net3_Proxy.Directory;
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using Array = Net3_Proxy.Array;
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#endif
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namespace IPA.Loader
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{
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/// <summary>
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/// The manager class for all plugins.
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/// </summary>
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public static class PluginManager
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{
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#pragma warning disable CS0618 // Type or member is obsolete (IPlugin)
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private static List<PluginExecutor> _bsPlugins;
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internal static IEnumerable<PluginExecutor> BSMetas => _bsPlugins;
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/// <summary>
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/// Gets info about the enabled plugin with the specified name.
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/// </summary>
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/// <param name="name">the name of the plugin to get (must be an exact match)</param>
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/// <returns>the plugin metadata for the requested plugin or <see langword="null"/> if it doesn't exist or is disabled</returns>
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public static PluginMetadata GetPlugin(string name)
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=> BSMetas.Select(p => p.Metadata).FirstOrDefault(p => p.Name == name);
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/// <summary>
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/// Gets info about the enabled plugin with the specified ID.
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/// </summary>
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/// <param name="name">the ID name of the plugin to get (must be an exact match)</param>
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/// <returns>the plugin metadata for the requested plugin or <see langword="null"/> if it doesn't exist or is disabled</returns>
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public static PluginMetadata GetPluginFromId(string name)
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=> BSMetas.Select(p => p.Metadata).FirstOrDefault(p => p.Id == name);
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/// <summary>
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/// Gets a disabled plugin's metadata by its name.
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/// </summary>
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/// <param name="name">the name of the disabled plugin to get</param>
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/// <returns>the metadata for the corresponding plugin</returns>
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public static PluginMetadata GetDisabledPlugin(string name) =>
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DisabledPlugins.FirstOrDefault(p => p.Name == name);
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/// <summary>
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/// Gets a disabled plugin's metadata by its ID.
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/// </summary>
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/// <param name="name">the ID of the disabled plugin to get</param>
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/// <returns>the metadata for the corresponding plugin</returns>
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public static PluginMetadata GetDisabledPluginFromId(string name) =>
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DisabledPlugins.FirstOrDefault(p => p.Id == name);
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/// <summary>
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/// Creates a new transaction for mod enabling and disabling mods simultaneously.
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/// </summary>
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/// <returns>a new <see cref="StateTransitionTransaction"/> that captures the current state of loaded mods</returns>
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public static StateTransitionTransaction PluginStateTransaction()
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=> new StateTransitionTransaction(EnabledPlugins, DisabledPlugins);
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private static readonly object commitTransactionLockObject = new object();
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internal static Task CommitTransaction(StateTransitionTransaction transaction)
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{
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if (!transaction.HasStateChanged) return TaskEx.WhenAll();
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if (!UnityGame.OnMainThread)
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{
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var transactionCopy = transaction.Clone();
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transaction.Dispose();
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return UnityMainThreadTaskScheduler.Factory.StartNew(() => CommitTransaction(transactionCopy)).Unwrap();
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}
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lock (commitTransactionLockObject)
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{
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if (transaction.CurrentlyEnabled.Except(EnabledPlugins)
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.Concat(EnabledPlugins.Except(transaction.CurrentlyEnabled)).Any()
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|| transaction.CurrentlyDisabled.Except(DisabledPlugins)
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.Concat(DisabledPlugins.Except(transaction.CurrentlyDisabled)).Any())
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{ // ensure that the transaction's base state reflects the current state, otherwise throw
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transaction.Dispose();
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throw new InvalidOperationException("Transaction no longer resembles the current state of plugins");
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}
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var toEnable = transaction.ToEnable;
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var toDisable = transaction.ToDisable;
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transaction.Dispose();
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using var disabledChangeTransaction = DisabledConfig.Instance.ChangeTransaction();
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{
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// first enable the mods that need to be
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void DeTree(List<PluginMetadata> into, IEnumerable<PluginMetadata> tree)
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{
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foreach (var st in tree)
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if (toEnable.Contains(st) && !into.Contains(st))
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{
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DeTree(into, st.Dependencies);
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into.Add(st);
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}
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}
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var enableOrder = new List<PluginMetadata>();
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DeTree(enableOrder, toEnable);
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foreach (var meta in enableOrder)
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{
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var executor = runtimeDisabledPlugins.FirstOrDefault(e => e.Metadata == meta);
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if (meta.RuntimeOptions == RuntimeOptions.DynamicInit)
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{
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if (executor != null)
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runtimeDisabledPlugins.Remove(executor);
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else
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executor = PluginLoader.InitPlugin(meta, EnabledPlugins);
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if (executor == null) continue; // couldn't initialize, skip to next
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}
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PluginLoader.DisabledPlugins.Remove(meta);
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DisabledConfig.Instance.DisabledModIds.Remove(meta.Id ?? meta.Name);
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PluginEnabled?.Invoke(meta, meta.RuntimeOptions != RuntimeOptions.DynamicInit);
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if (meta.RuntimeOptions == RuntimeOptions.DynamicInit)
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{
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_bsPlugins.Add(executor);
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try
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{
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executor.Enable();
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}
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catch (Exception e)
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{
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Logger.loader.Error($"Error while enabling {meta.Id}:");
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Logger.loader.Error(e);
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// this should still be considered enabled, hence its position
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}
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}
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}
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}
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Task result;
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{
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// then disable the mods that need to be
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static DisableExecutor MakeDisableExec(PluginExecutor e)
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=> new DisableExecutor
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{
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Executor = e,
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Dependents = BSMetas.Where(f => f.Metadata.Dependencies.Contains(e.Metadata)).Select(MakeDisableExec)
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};
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var disableExecs = toDisable.Select(m => BSMetas.FirstOrDefault(e => e.Metadata == m)).NonNull().ToArray(); // eagerly evaluate once
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foreach (var exec in disableExecs)
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{
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PluginLoader.DisabledPlugins.Add(exec.Metadata);
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DisabledConfig.Instance.DisabledModIds.Add(exec.Metadata.Id ?? exec.Metadata.Name);
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if (exec.Metadata.RuntimeOptions == RuntimeOptions.DynamicInit)
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{
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runtimeDisabledPlugins.Add(exec);
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_bsPlugins.Remove(exec);
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}
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PluginDisabled?.Invoke(exec.Metadata, exec.Metadata.RuntimeOptions != RuntimeOptions.DynamicInit);
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}
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var disableStructure = disableExecs.Select(MakeDisableExec);
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static Task Disable(DisableExecutor exec, Dictionary<PluginExecutor, Task> alreadyDisabled)
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{
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if (alreadyDisabled.TryGetValue(exec.Executor, out var task))
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return task;
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else
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{
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if (exec.Executor.Metadata.RuntimeOptions != RuntimeOptions.DynamicInit)
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return TaskEx6.FromException(new CannotRuntimeDisableException(exec.Executor.Metadata));
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var res = TaskEx.WhenAll(exec.Dependents.Select(d => Disable(d, alreadyDisabled)))
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.ContinueWith(t => t.IsFaulted
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? TaskEx.WhenAll(t, TaskEx6.FromException(
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new CannotRuntimeDisableException(exec.Executor.Metadata, "Dependents cannot be disabled for plugin")))
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: exec.Executor.Disable(), UnityMainThreadTaskScheduler.Default).Unwrap();
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// We do not want to call the disable method if a dependent couldn't be disabled
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// By scheduling on a UnityMainThreadScheduler, we ensure that Disable() is always called on the Unity main thread
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alreadyDisabled.Add(exec.Executor, res);
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return res;
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}
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}
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var disabled = new Dictionary<PluginExecutor, Task>();
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result = TaskEx.WhenAll(disableStructure.Select(d => Disable(d, disabled)));
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}
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//DisabledConfig.Instance.Changed();
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// changed is handled by transaction
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return result;
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}
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}
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private struct DisableExecutor
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{
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public PluginExecutor Executor;
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public IEnumerable<DisableExecutor> Dependents;
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}
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/// <summary>
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/// Checks if a given plugin is disabled.
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/// </summary>
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/// <param name="meta">the plugin to check</param>
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/// <returns><see langword="true"/> if the plugin is disabled, <see langword="false"/> otherwise.</returns>
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public static bool IsDisabled(PluginMetadata meta) => DisabledPlugins.Contains(meta);
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/// <summary>
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/// Checks if a given plugin is enabled.
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/// </summary>
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/// <param name="meta">the plugin to check</param>
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/// <returns><see langword="true"/> if the plugin is enabled, <see langword="false"/> otherwise.</returns>
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public static bool IsEnabled(PluginMetadata meta) => BSMetas.Any(p => p.Metadata == meta);
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/// <summary>
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/// An invoker for the <see cref="PluginEnabled"/> event.
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/// </summary>
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/// <param name="plugin">the plugin that was enabled</param>
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/// <param name="needsRestart">whether it needs a restart to take effect</param>
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public delegate void PluginEnableDelegate(PluginMetadata plugin, bool needsRestart);
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/// <summary>
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/// An invoker for the <see cref="PluginDisabled"/> event.
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/// </summary>
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/// <param name="plugin">the plugin that was disabled</param>
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/// <param name="needsRestart">whether it needs a restart to take effect</param>
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public delegate void PluginDisableDelegate(PluginMetadata plugin, bool needsRestart);
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/// <summary>
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/// Called whenever a plugin is enabled.
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/// </summary>
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public static event PluginEnableDelegate PluginEnabled;
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/// <summary>
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/// Called whenever a plugin is disabled.
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/// </summary>
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public static event PluginDisableDelegate PluginDisabled;
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/// <summary>
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/// Gets a list of all enabled BSIPA plugins. Use <see cref="EnabledPlugins"/> instead of this.
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/// </summary>
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/// <value>a collection of all enabled plugins as <see cref="PluginMetadata"/>s</value>
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[Obsolete("This is an old name that no longer accurately represents its value. Use EnabledPlugins instead.")]
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public static IEnumerable<PluginMetadata> AllPlugins => EnabledPlugins;
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/// <summary>
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/// Gets a collection of all enabled plugins, as represented by <see cref="PluginMetadata"/>.
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/// </summary>
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/// <value>a collection of all enabled plugins</value>
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public static IEnumerable<PluginMetadata> EnabledPlugins => BSMetas.Select(p => p.Metadata);
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/// <summary>
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/// Gets a list of disabled BSIPA plugins.
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/// </summary>
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/// <value>a collection of all disabled plugins as <see cref="PluginMetadata"/></value>
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public static IEnumerable<PluginMetadata> DisabledPlugins => PluginLoader.DisabledPlugins;
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private static readonly HashSet<PluginExecutor> runtimeDisabledPlugins = new HashSet<PluginExecutor>();
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/// <summary>
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/// An <see cref="IEnumerable{T}"/> of old IPA plugins.
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/// </summary>
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/// <value>all legacy plugin instances</value>
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[Obsolete("This exists only to provide support for legacy IPA plugins based on the IPlugin interface.")]
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public static IEnumerable<Old.IPlugin> Plugins => _ipaPlugins;
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private static List<Old.IPlugin> _ipaPlugins;
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internal static IConfigProvider SelfConfigProvider { get; set; }
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internal static void Load()
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{
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string pluginDirectory = UnityGame.PluginsPath;
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// Process.GetCurrentProcess().MainModule crashes the game and Assembly.GetEntryAssembly() is NULL,
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// so we need to resort to P/Invoke
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string exeName = Path.GetFileNameWithoutExtension(AppInfo.StartupPath);
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_bsPlugins = new List<PluginExecutor>();
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_ipaPlugins = new List<Old.IPlugin>();
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if (!Directory.Exists(pluginDirectory)) return;
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string cacheDir = Path.Combine(pluginDirectory, ".cache");
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if (!Directory.Exists(cacheDir))
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{
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Directory.CreateDirectory(cacheDir);
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}
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else
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{
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foreach (string plugin in Directory.GetFiles(cacheDir, "*"))
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File.Delete(plugin);
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}
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// initialize BSIPA plugins first
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_bsPlugins.AddRange(PluginLoader.LoadPlugins());
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var metadataPaths = PluginLoader.PluginsMetadata.Select(m => m.File.FullName).ToList();
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var ignoredPaths = PluginLoader.ignoredPlugins.Select(m => m.Key.File.FullName)
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.Concat(PluginLoader.ignoredPlugins.SelectMany(m => m.Key.AssociatedFiles.Select(f => f.FullName))).ToList();
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var disabledPaths = DisabledPlugins.Select(m => m.File.FullName).ToList();
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//Copy plugins to .cache
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string[] originalPlugins = Directory.GetFiles(pluginDirectory, "*.dll");
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foreach (string s in originalPlugins)
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{
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if (metadataPaths.Contains(s)) continue;
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if (ignoredPaths.Contains(s)) continue;
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if (disabledPaths.Contains(s)) continue;
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string pluginCopy = Path.Combine(cacheDir, Path.GetFileName(s));
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#region Fix assemblies for refactor
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var module = ModuleDefinition.ReadModule(Path.Combine(pluginDirectory, s));
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foreach (var @ref in module.AssemblyReferences)
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{ // fix assembly references
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if (@ref.Name == "IllusionPlugin" || @ref.Name == "IllusionInjector")
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{
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@ref.Name = "IPA.Loader";
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}
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}
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foreach (var @ref in module.GetTypeReferences())
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{ // fix type references
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if (@ref.FullName == "IllusionPlugin.IPlugin") @ref.Namespace = "IPA.Old"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.IEnhancedPlugin") @ref.Namespace = "IPA.Old"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.IniFile") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.IModPrefs") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.ModPrefs") @ref.Namespace = "IPA.Config"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.Utils.ReflectionUtil") @ref.Namespace = "IPA.Utilities"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.Logging.Logger") @ref.Namespace = "IPA.Logging"; //@ref.Name = "";
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if (@ref.FullName == "IllusionPlugin.Logging.LogPrinter") @ref.Namespace = "IPA.Logging"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.PluginManager") @ref.Namespace = "IPA.Loader"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.PluginComponent") @ref.Namespace = "IPA.Loader"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.CompositeBSPlugin") @ref.Namespace = "IPA.Loader.Composite"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.CompositeIPAPlugin") @ref.Namespace = "IPA.Loader.Composite"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.Logging.UnityLogInterceptor") @ref.Namespace = "IPA.Logging"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.Logging.StandardLogger") @ref.Namespace = "IPA.Logging"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.Updating.SelfPlugin") @ref.Namespace = "IPA.Updating"; //@ref.Name = "";
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if (@ref.FullName == "IllusionInjector.Updating.Backup.BackupUnit") @ref.Namespace = "IPA.Updating.Backup"; //@ref.Name = "";
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if (@ref.Namespace == "IllusionInjector.Utilities") @ref.Namespace = "IPA.Utilities"; //@ref.Name = "";
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if (@ref.Namespace == "IllusionInjector.Logging.Printers") @ref.Namespace = "IPA.Logging.Printers"; //@ref.Name = "";
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}
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module.Write(pluginCopy);
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#endregion
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}
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//Load copied plugins
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string[] copiedPlugins = Directory.GetFiles(cacheDir, "*.dll");
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foreach (string s in copiedPlugins)
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{
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var result = LoadPluginsFromFile(s);
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if (result == null) continue;
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_ipaPlugins.AddRange(result.NonNull());
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}
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Logger.log.Info(exeName);
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Logger.log.Info($"Running on Unity {Application.unityVersion}");
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Logger.log.Info($"Game version {UnityGame.GameVersion}");
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Logger.log.Info("-----------------------------");
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Logger.log.Info($"Loading plugins from {Utils.GetRelativePath(pluginDirectory, Environment.CurrentDirectory)} and found {_bsPlugins.Count + _ipaPlugins.Count}");
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Logger.log.Info("-----------------------------");
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foreach (var plugin in _bsPlugins)
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{
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Logger.log.Info($"{plugin.Metadata.Name} ({plugin.Metadata.Id}): {plugin.Metadata.Version}");
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}
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Logger.log.Info("-----------------------------");
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foreach (var plugin in _ipaPlugins)
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{
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Logger.log.Info($"{plugin.Name}: {plugin.Version}");
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}
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Logger.log.Info("-----------------------------");
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}
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private static IEnumerable<Old.IPlugin> LoadPluginsFromFile(string file)
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{
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var ipaPlugins = new List<Old.IPlugin>();
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if (!File.Exists(file) || !file.EndsWith(".dll", true, null))
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return ipaPlugins;
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T OptionalGetPlugin<T>(Type t) where T : class
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{
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if (t.FindInterfaces((t, o) => t == (o as Type), typeof(T)).Length > 0)
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{
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try
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{
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T pluginInstance = Activator.CreateInstance(t) as T;
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return pluginInstance;
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}
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catch (Exception e)
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{
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Logger.loader.Error($"Could not load plugin {t.FullName} in {Path.GetFileName(file)}! {e}");
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}
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}
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return null;
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}
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try
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{
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Assembly assembly = Assembly.LoadFrom(file);
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foreach (Type t in assembly.GetTypes())
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{
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var ipaPlugin = OptionalGetPlugin<Old.IPlugin>(t);
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if (ipaPlugin != null)
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{
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ipaPlugins.Add(ipaPlugin);
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}
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}
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}
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catch (ReflectionTypeLoadException e)
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{
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Logger.loader.Error($"Could not load the following types from {Path.GetFileName(file)}:");
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Logger.loader.Error($" {string.Join("\n ", e.LoaderExceptions?.Select(e1 => e1?.Message).StrJP() ?? Array.Empty<string>())}");
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}
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catch (Exception e)
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{
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Logger.loader.Error($"Could not load {Path.GetFileName(file)}!");
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Logger.loader.Error(e);
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}
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return ipaPlugins;
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}
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internal static class AppInfo
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{
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode, ExactSpelling = false)]
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private static extern int GetModuleFileName(HandleRef hModule, StringBuilder buffer, int length);
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private static HandleRef NullHandleRef = new HandleRef(null, IntPtr.Zero);
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public static string StartupPath
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{
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get
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{
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StringBuilder stringBuilder = new StringBuilder(260);
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GetModuleFileName(NullHandleRef, stringBuilder, stringBuilder.Capacity);
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return stringBuilder.ToString();
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}
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}
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}
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#pragma warning restore CS0618 // Type or member is obsolete (IPlugin)
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}
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}
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