bbradson
338 lines
12 KiB
C#
338 lines
12 KiB
C#
// Copyright (c) 2022 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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/*using System.Collections;
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using System.Linq;
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using System.Linq.Expressions;
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using Verse;
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namespace FisheryLib;
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internal class FishPatchManager
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{
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internal const string FISHERY = "fishery";
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internal FishPatchManager(Assembly assembly)
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{
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Assembly = assembly;
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ModContentPack = LoadedModManager.RunningModsListForReading.Find(pack => pack.assemblies.loadedAssemblies.Contains(assembly));
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ModName = ModContentPack?.Name ?? assembly.GetName().Name;
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ModPackageID = ModContentPack?.PackageIdPlayerFacing;
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Harmony = new($"{FISHERY}.{ModPackageID ?? ModName.ToLowerInvariant()}");
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}
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public Assembly Assembly { get; }
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public ModContentPack? ModContentPack { get; }
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public string? ModPackageID { get; }
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public string ModName { get; }
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public Harmony Harmony { get; }
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}
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public abstract class FishPatch : IExposable, IHasDescription
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{
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public string ModName = "Fishery";
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public Harmony Harmony { get; } = new("bs.fishery");
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public void PatchAll()
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{
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foreach (var patch in AllPatchClasses)
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{
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try
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{
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if (!patch.RequiresLoadedGameForPatching)
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patch.Patches.PatchAll();
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}
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catch (Exception ex)
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{
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Log.Error($"{ModName} encountered an exception while patching:\n{ex}");
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}
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}
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}
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public bool Enabled
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{
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get => _enabled;
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set
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{
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_enabled = value;
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if (value)
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{
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if (ShouldBePatched)
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TryPatch();
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}
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else
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{
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var shouldBePatched = ShouldBePatched;
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TryUnpatch();
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ShouldBePatched = shouldBePatched;
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}
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}
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}
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private bool _enabled = true;
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public virtual bool DefaultState => true;
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public virtual int PrefixMethodPriority => TryGetPriority(PrefixMethodInfo);
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public virtual int PostfixMethodPriority => TryGetPriority(PostfixMethodInfo);
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public virtual int TranspilerMethodPriority => TryGetPriority(TranspilerMethodInfo);
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public virtual int FinalizerMethodPriority => TryGetPriority(FinalizerMethodInfo);
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public MethodInfo? HarmonyMethodInfo { get; private set; }
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private bool Patched { get; set; }
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private bool ShouldBePatched { get; set; }
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public virtual string Name => GetType().Name;
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public virtual string? Description => null;
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public virtual bool ShowSettings => true;
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public virtual Delegate? TargetMethodGroup => null;
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public virtual IEnumerable<Delegate>? TargetMethodGroups => null;
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public virtual Expression<Action>? TargetMethod => null;
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public virtual IEnumerable<Expression<Action>>? TargetMethods => null;
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public virtual MethodBase TargetMethodInfo => TargetMethod != null ? SymbolExtensions.GetMethodInfo(TargetMethod)
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: TargetMethodGroup?.Method ?? throw new MissingMethodException(GetType().ToString());
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public virtual IEnumerable<MethodBase> TargetMethodInfos => TargetMethods?.Select(m => SymbolExtensions.GetMethodInfo(m))
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?? TargetMethodGroups?.Select(m => m.Method) ?? (TargetMethodInfo != null ? new MethodBase[] { TargetMethodInfo }.AsEnumerable() : throw new MissingMethodException(GetType().ToString()));
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public virtual MethodInfo ReversePatchMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "REVERSEPATCH" || (m.HasAttribute<HarmonyReversePatch>() && !m.HasAttribute<HarmonyTranspiler>()));
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public virtual MethodInfo ReversePatchTranspilerMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "REVERSEPATCHTRANSPILER" || (m.HasAttribute<HarmonyTranspiler>() && m.HasAttribute<HarmonyReversePatch>()));
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public virtual MethodInfo PrefixMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "PREFIX" || m.HasAttribute<HarmonyPrefix>());
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public virtual MethodInfo PostfixMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "POSTFIX" || m.HasAttribute<HarmonyPostfix>());
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public virtual MethodInfo TranspilerMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "TRANSPILER" || (m.HasAttribute<HarmonyTranspiler>() && !m.HasAttribute<HarmonyReversePatch>()));
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public virtual MethodInfo FinalizerMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "FINALIZER" || m.HasAttribute<HarmonyFinalizer>());
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public virtual MethodInfo PrepareMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "PREPARE" || m.HasAttribute<HarmonyPrepare>());
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public virtual MethodInfo CleanupMethodInfo => GetType().GetMethods(AccessTools.allDeclared)
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.FirstOrDefault(m => m.Name.ToUpperInvariant() == "CLEANUP" || m.HasAttribute<HarmonyCleanup>());
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public FishPatch() => _enabled = DefaultState;
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public virtual MethodInfo? TryPatch()
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{
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if (TargetMethodInfos is null || !TargetMethodInfos.Any())
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{
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Log.Error($"Tried to apply patches for {GetType().Name}, but it lacks a target method for patching.");
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return null;
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}
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if (PrefixMethodInfo is null && PostfixMethodInfo is null && TranspilerMethodInfo is null && FinalizerMethodInfo is null && ReversePatchMethodInfo is null)
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{
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Log.Error($"Tried to apply patches for {GetType().Name}, but there are none. This is likely not intended.");
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return null;
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}
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ShouldBePatched = true;
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if (Enabled && !Patched)
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{
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Patched = true;
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PrepareMethodInfo?.Invoke(null, null);
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foreach (var method in TargetMethodInfos)
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{
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try
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{
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if (ReversePatchMethodInfo != null)
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HarmonyMethodInfo = Harmony.ReversePatch(method, new(ReversePatchMethodInfo), ReversePatchTranspilerMethodInfo);
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if (PrefixMethodInfo != null || PostfixMethodInfo != null || TranspilerMethodInfo != null || FinalizerMethodInfo != null)
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{
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HarmonyMethodInfo = Harmony.Patch(method,
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prefix: PrefixMethodInfo != null ? new(PrefixMethodInfo, PrefixMethodPriority) : null,
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postfix: PostfixMethodInfo != null ? new(PostfixMethodInfo, PostfixMethodPriority) : null,
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transpiler: TranspilerMethodInfo != null ? new(TranspilerMethodInfo, TranspilerMethodPriority) : null,
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finalizer: FinalizerMethodInfo != null ? new(FinalizerMethodInfo, FinalizerMethodPriority) : null);
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}
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}
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catch (Exception e)
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{
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Log.Error($"{ModName} encountered an exception while trying to patch {method.FullDescription()} with {PrefixMethodInfo.FullDescription()}" +
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$", {PostfixMethodInfo.FullDescription()}, {TranspilerMethodInfo.FullDescription()}, {FinalizerMethodInfo.FullDescription()}:\n{e}");
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}
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#if DEBUG
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Log.Message($"{ModName} applied {GetType().Name} on {method.FullDescription()}");
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#endif
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}
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}
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return HarmonyMethodInfo;
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}
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public virtual void TryUnpatch()
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{
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ShouldBePatched = false;
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if (Patched)
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{
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Patched = false;
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foreach (var method in TargetMethodInfos)
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{
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if (PrefixMethodInfo != null)
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{
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try
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{
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Harmony.Unpatch(method, PrefixMethodInfo);
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}
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catch (Exception e)
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{
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Log.Error($"{ModName} encountered an exception when unpatching {PrefixMethodInfo.FullDescription()} from {method.FullDescription()}:\n{e}");
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}
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}
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if (PostfixMethodInfo != null)
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{
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try
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{
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Harmony.Unpatch(method, PostfixMethodInfo);
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}
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catch (Exception e)
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{
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Log.Error($"{ModName} encountered an exception when unpatching {PostfixMethodInfo.FullDescription()} from {method.FullDescription()}:\n{e}");
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}
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}
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if (TranspilerMethodInfo != null)
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{
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try
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{
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Harmony.Unpatch(method, TranspilerMethodInfo);
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}
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catch (Exception e)
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{
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Log.Error($"{ModName} encountered an exception when unpatching {TranspilerMethodInfo.FullDescription()} from {method.FullDescription()}:\n{e}");
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}
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}
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if (FinalizerMethodInfo != null)
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{
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try
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{
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Harmony.Unpatch(method, FinalizerMethodInfo);
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}
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catch (Exception e)
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{
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Log.Error($"{ModName} encountered an exception when unpatching {FinalizerMethodInfo.FullDescription()} from {method.FullDescription()}:\n{e}");
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}
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}
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}
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CleanupMethodInfo?.Invoke(null, null);
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}
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}
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private static int TryGetPriority(MethodInfo info) => info?.TryGetAttribute<HarmonyPriority>()?.info.priority ?? Priority.Normal;
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public static T Get<T>() => TryGet<T>() ?? throw new KeyNotFoundException($"Couldn't find FishPatch or IHasFishPatch class {typeof(T).Name}");
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public static T? TryGet<T>()
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{
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if (typeof(IHasFishPatch).IsAssignableFrom(typeof(T)))
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{
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foreach (var patch in AllPatchClasses)
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{
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if (patch is T patchOfT)
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return patchOfT;
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}
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}
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else if (typeof(FishPatch).IsAssignableFrom(typeof(T)))
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{
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foreach (var patchClass in AllPatchClasses)
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{
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if (patchClass.Patches.TryGet(typeof(T)) is T patch)
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return patch;
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}
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}
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return default;
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}
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public static IHasFishPatch[] AllPatchClasses { get; } = Assembly.GetExecutingAssembly().GetTypes()
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.Where(t => typeof(IHasFishPatch).IsAssignableFrom(t) && !t.IsInterface && !t.IsAbstract)
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.Select(t => (IHasFishPatch)Activator.CreateInstance(t)).ToArray();
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public void ExposeData() => Scribe_Values.Look(ref _enabled, GetType().Name, DefaultState);
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}
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public abstract class FirstPriorityFishPatch : FishPatch
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{
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public override int PrefixMethodPriority => Priority.First;
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public override int PostfixMethodPriority => Priority.First;
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public override int TranspilerMethodPriority => Priority.First;
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public override int FinalizerMethodPriority => Priority.First;
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}
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public static class FishPatchExtensions
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{
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public static void PatchAll(this IEnumerable<FishPatch> patches)
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{
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foreach (var patch in patches)
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patch.TryPatch();
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}
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public static void UnpatchAll(this IEnumerable<FishPatch> patches)
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{
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foreach (var patch in patches)
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patch.TryUnpatch();
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}
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}
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public class FishPatchHolder : IExposable, IEnumerable<FishPatch>
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{
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public Dictionary<Type, FishPatch> All => _all;
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public T Get<T>() where T : FishPatch => (T)All[typeof(T)];
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public FishPatch Get(Type type) => All[type];
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public T? TryGet<T>() where T : FishPatch => All!.TryGetValue(typeof(T)) as T;
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public FishPatch? TryGet(Type type) => All!.TryGetValue(type);
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public void Add(FishPatch patch) => All[patch.GetType()] = patch;
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public void PatchAll()
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{
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AddPatchesRecursively(_type);
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All.Values.PatchAll();
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}
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public void UnpatchAll() => All.Values.UnpatchAll();
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public FishPatch this[Type type] => All[type];
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public FishPatchHolder(Type type) => _type = type;
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public void ExposeData() => Scribe_Collections.Look(ref _all, "patches", valueLookMode: LookMode.Deep);
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private void AddPatchesRecursively(Type type)
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{
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if (typeof(FishPatch).IsAssignableFrom(type) && !All.ContainsKey(type))
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{
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var dupeClasses = FishPatch.AllPatchClasses.Where(patchClass => patchClass.GetType() != _type && patchClass.Patches.All.ContainsKey(type));
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if (dupeClasses.Any())
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{
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foreach (var patchClass in dupeClasses)
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{
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patchClass.Patches[type].Enabled = false;
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patchClass.Patches.All.Remove(type);
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Log.Warning($"{FishPatchManager.FISHERY} removed a duplicate patch from {patchClass.GetType().FullName}. This is likely caused by no longer valid mod configs");
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}
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}
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All.Add(type, (FishPatch)Activator.CreateInstance(type));
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}
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foreach (var nestedType in type.GetNestedTypes(AccessTools.all))
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AddPatchesRecursively(nestedType);
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}
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public IEnumerator<FishPatch> GetEnumerator() => All.Values.GetEnumerator();
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IEnumerator IEnumerable.GetEnumerator() => All.Values.GetEnumerator();
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private Dictionary<Type, FishPatch> _all = new();
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private Type _type;
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}
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public interface IHasFishPatch
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{
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public FishPatchHolder Patches { get; }
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public FishPatchHolder? PatchHolder { get; set; }
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public bool RequiresLoadedGameForPatching { get; }
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}
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public interface IHasDescription
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{
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public string? Description { get; }
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}
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public abstract class ClassWithFishPatches : IHasFishPatch
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{
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public virtual FishPatchHolder Patches => _patchHolder ??= new(GetType());
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public virtual FishPatchHolder? PatchHolder { get => _patchHolder; set => _patchHolder = value; }
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public virtual bool RequiresLoadedGameForPatching => false;
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private FishPatchHolder? _patchHolder;
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}*/ |