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using System.Collections.Generic;
using Microsoft.Xna.Framework.Graphics;
using StardewModdingAPI.Events;
using StardewModdingAPI.Framework.ModLoading;
using StardewModdingAPI.Framework.ModLoading.Finders;
using StardewModdingAPI.Framework.ModLoading.RewriteFacades;
using StardewModdingAPI.Framework.ModLoading.Rewriters;
using StardewValley;
namespace StardewModdingAPI.Metadata
{
/// <summary>Provides CIL instruction handlers which rewrite mods for compatibility and throw exceptions for incompatible code.</summary>
internal class InstructionMetadata
{
/*********
** Fields
*********/
/// <summary>The assembly names to which to heuristically detect broken references.</summary>
/// <remarks>The current implementation only works correctly with assemblies that should always be present.</remarks>
private readonly string[] ValidateReferencesToAssemblies = { "StardewModdingAPI", "Stardew Valley", "StardewValley", "Netcode" };
/*********
** Public methods
*********/
/// <summary>Get rewriters which detect or fix incompatible CIL instructions in mod assemblies.</summary>
/// <param name="paranoidMode">Whether to detect paranoid mode issues.</param>
/// <param name="platformChanged">Whether the assembly was rewritten for crossplatform compatibility.</param>
public IEnumerable<IInstructionHandler> GetHandlers(bool paranoidMode, bool platformChanged)
{
/****
** rewrite CIL to fix incompatible code
****/
// rewrite for crossplatform compatibility
if (platformChanged)
yield return new MethodParentRewriter(typeof(SpriteBatch), typeof(SpriteBatchFacade));
// heuristic rewrites
yield return new HeuristicFieldRewriter(this.ValidateReferencesToAssemblies);
yield return new HeuristicMethodRewriter(this.ValidateReferencesToAssemblies);
#if HARMONY_2
// rewrite for SMAPI 3.6 (Harmony 1.x => 2.0 update)
yield return new Harmony1AssemblyRewriter();
#endif
/****
** detect mod issues
****/
// detect broken code
yield return new ReferenceToMissingMemberFinder(this.ValidateReferencesToAssemblies);
yield return new ReferenceToMemberWithUnexpectedTypeFinder(this.ValidateReferencesToAssemblies);
/****
** detect code which may impact game stability
****/
#if HARMONY_2
yield return new TypeFinder(typeof(HarmonyLib.Harmony).FullName, InstructionHandleResult.DetectedGamePatch);
#else
yield return new TypeFinder(typeof(Harmony.HarmonyInstance).FullName, InstructionHandleResult.DetectedGamePatch);
#endif
yield return new TypeFinder("System.Runtime.CompilerServices.CallSite", InstructionHandleResult.DetectedDynamic);
yield return new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.serializer), InstructionHandleResult.DetectedSaveSerializer);
yield return new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.farmerSerializer), InstructionHandleResult.DetectedSaveSerializer);
yield return new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.locationSerializer), InstructionHandleResult.DetectedSaveSerializer);
yield return new EventFinder(typeof(ISpecializedEvents).FullName, nameof(ISpecializedEvents.UnvalidatedUpdateTicked), InstructionHandleResult.DetectedUnvalidatedUpdateTick);
yield return new EventFinder(typeof(ISpecializedEvents).FullName, nameof(ISpecializedEvents.UnvalidatedUpdateTicking), InstructionHandleResult.DetectedUnvalidatedUpdateTick);
/****
** detect paranoid issues
****/
if (paranoidMode)
{
// filesystem access
yield return new TypeFinder(typeof(System.Console).FullName, InstructionHandleResult.DetectedConsoleAccess);
yield return new TypeFinder(typeof(System.IO.File).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.FileStream).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.FileInfo).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.Directory).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.DirectoryInfo).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.DriveInfo).FullName, InstructionHandleResult.DetectedFilesystemAccess);
yield return new TypeFinder(typeof(System.IO.FileSystemWatcher).FullName, InstructionHandleResult.DetectedFilesystemAccess);
// shell access
yield return new TypeFinder(typeof(System.Diagnostics.Process).FullName, InstructionHandleResult.DetectedShellAccess);
}
}
}
}
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