make mod file paths case-insensitive in all SMAPI APIs

1 files changed, 14 insertions, 2 deletions

diff --git a/src/SMAPI/Framework/ModHelpers/ModContentHelper.cs b/src/SMAPI/Framework/ModHelpers/ModContentHelper.cs
index 2379583c..7468cda1 100644
--- a/src/SMAPI/Framework/ModHelpers/ModContentHelper.cs
+++ b/src/SMAPI/Framework/ModHelpers/ModContentHelper.cs
@@ -1,7 +1,9 @@
 using System;
+using Microsoft.Xna.Framework.Content;
 using StardewModdingAPI.Framework.Content;
 using StardewModdingAPI.Framework.ContentManagers;
 using StardewModdingAPI.Framework.Exceptions;
+using StardewModdingAPI.Utilities;
 
 namespace StardewModdingAPI.Framework.ModHelpers
 {
@@ -20,6 +22,9 @@ namespace StardewModdingAPI.Framework.ModHelpers
         /// <summary>The friendly mod name for use in errors.</summary>
         private readonly string ModName;
 
+        /// <summary>A case-insensitive lookup of relative paths within the <see cref="ContentManager.RootDirectory"/>.</summary>
+        private readonly CaseInsensitivePathCache RelativePathCache;
+
 
         /*********
         ** Public methods
@@ -30,7 +35,8 @@ namespace StardewModdingAPI.Framework.ModHelpers
         /// <param name="modID">The unique ID of the relevant mod.</param>
         /// <param name="modName">The friendly mod name for use in errors.</param>
         /// <param name="gameContentManager">The game content manager used for map tilesheets not provided by the mod.</param>
-        public ModContentHelper(ContentCoordinator contentCore, string modFolderPath, string modID, string modName, IContentManager gameContentManager)
+        /// <param name="relativePathCache">A case-insensitive lookup of relative paths within the <paramref name="relativePathCache"/>.</param>
+        public ModContentHelper(ContentCoordinator contentCore, string modFolderPath, string modID, string modName, IContentManager gameContentManager, CaseInsensitivePathCache relativePathCache)
             : base(modID)
         {
             string managedAssetPrefix = contentCore.GetManagedAssetPrefix(modID);
@@ -38,11 +44,14 @@ namespace StardewModdingAPI.Framework.ModHelpers
             this.ContentCore = contentCore;
             this.ModContentManager = contentCore.CreateModContentManager(managedAssetPrefix, modName, modFolderPath, gameContentManager);
             this.ModName = modName;
+            this.RelativePathCache = relativePathCache;
         }
 
         /// <inheritdoc />
         public T Load<T>(string relativePath)
         {
+            relativePath = this.RelativePathCache.GetAssetName(relativePath);
+
             IAssetName assetName = this.ContentCore.ParseAssetName(relativePath, allowLocales: false);
 
             try
@@ -58,6 +67,7 @@ namespace StardewModdingAPI.Framework.ModHelpers
         /// <inheritdoc />
         public IAssetName GetInternalAssetName(string relativePath)
         {
+            relativePath = this.RelativePathCache.GetAssetName(relativePath);
             return this.ModContentManager.GetInternalAssetKey(relativePath);
         }
 
@@ -67,7 +77,9 @@ namespace StardewModdingAPI.Framework.ModHelpers
             if (data == null)
                 throw new ArgumentNullException(nameof(data), "Can't get a patch helper for a null value.");
 
-            relativePath ??= $"temp/{Guid.NewGuid():N}";
+            relativePath = relativePath != null
+                ? this.RelativePathCache.GetAssetName(relativePath)
+                : $"temp/{Guid.NewGuid():N}";
 
             return new AssetDataForObject(this.ContentCore.GetLocale(), this.ContentCore.ParseAssetName(relativePath, allowLocales: false), data, key => this.ContentCore.ParseAssetName(key, allowLocales: false).Name);
         }