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using System.Collections.Generic;
using Microsoft.Xna.Framework.Graphics;
using StardewModdingAPI.AssemblyRewriters;
using StardewModdingAPI.Events;
using StardewModdingAPI.Framework.ModLoading;
using StardewModdingAPI.Framework.ModLoading.Finders;
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
{
/*********
** Properties
*********/
/// <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" };
/*********
** Public methods
*********/
/// <summary>Get rewriters which detect or fix incompatible CIL instructions in mod assemblies.</summary>
public IEnumerable<IInstructionHandler> GetHandlers()
{
return new IInstructionHandler[]
{
/****
** rewrite CIL to fix incompatible code
****/
// rewrite for crossplatform compatibility
new MethodParentRewriter(typeof(SpriteBatch), typeof(SpriteBatchMethods), onlyIfPlatformChanged: true),
// rewrite for SMAPI 2.0
new VirtualEntryCallRemover(),
// rewrite for Stardew Valley 1.3
new StaticFieldToConstantRewriter<int>(typeof(Game1), "tileSize", Game1.tileSize),
/****
** detect incompatible code
****/
// detect broken code
new ReferenceToMissingMemberFinder(this.ValidateReferencesToAssemblies),
new ReferenceToMemberWithUnexpectedTypeFinder(this.ValidateReferencesToAssemblies),
/****
** detect code which may impact game stability
****/
new TypeFinder("Harmony.HarmonyInstance", InstructionHandleResult.DetectedGamePatch),
new TypeFinder("System.Runtime.CompilerServices.CallSite", InstructionHandleResult.DetectedDynamic),
new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.serializer), InstructionHandleResult.DetectedSaveSerialiser),
new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.farmerSerializer), InstructionHandleResult.DetectedSaveSerialiser),
new FieldFinder(typeof(SaveGame).FullName, nameof(SaveGame.locationSerializer), InstructionHandleResult.DetectedSaveSerialiser),
new EventFinder(typeof(SpecialisedEvents).FullName, nameof(SpecialisedEvents.UnvalidatedUpdateTick), InstructionHandleResult.DetectedUnvalidatedUpdateTick)
};
}
}
}
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