encapsulate & cache asset operation groups (#766)

This is needed for the upcoming Stardew Valley 1.6 to avoid duplicate checks between DoesAssetExist and Load calls, and to make sure the answer doesn't change between them.

1 files changed, 33 insertions, 0 deletions

diff --git a/src/SMAPI/Framework/Content/AssetOperationGroup.cs b/src/SMAPI/Framework/Content/AssetOperationGroup.cs
new file mode 100644
index 00000000..a2fcb722
--- /dev/null
+++ b/src/SMAPI/Framework/Content/AssetOperationGroup.cs
@@ -0,0 +1,33 @@
+namespace StardewModdingAPI.Framework.Content
+{
+    /// <summary>A set of operations to apply to an asset for a given <see cref="IAssetEditor"/> or <see cref="IAssetLoader"/> implementation.</summary>
+    internal class AssetOperationGroup
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The mod applying the changes.</summary>
+        public IModMetadata Mod { get; }
+
+        /// <summary>The load operations to apply.</summary>
+        public AssetLoadOperation[] LoadOperations { get; }
+
+        /// <summary>The edit operations to apply.</summary>
+        public AssetEditOperation[] EditOperations { get; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="mod">The mod applying the changes.</param>
+        /// <param name="loadOperations">The load operations to apply.</param>
+        /// <param name="editOperations">The edit operations to apply.</param>
+        public AssetOperationGroup(IModMetadata mod, AssetLoadOperation[] loadOperations, AssetEditOperation[] editOperations)
+        {
+            this.Mod = mod;
+            this.LoadOperations = loadOperations;
+            this.EditOperations = editOperations;
+        }
+    }
+}