2 files changed, 60 insertions, 0 deletions
diff --git a/src/SMAPI/Framework/Patching/GamePatcher.cs b/src/SMAPI/Framework/Patching/GamePatcher.cs
new file mode 100644
index 00000000..71ca8e55
--- /dev/null
+++ b/src/SMAPI/Framework/Patching/GamePatcher.cs
@@ -0,0 +1,45 @@
+using System;
+using Harmony;
+
+namespace StardewModdingAPI.Framework.Patching
+{
+    /// <summary>Encapsulates applying Harmony patches to the game.</summary>
+    internal class GamePatcher
+    {
+        /*********
+        ** Properties
+        *********/
+        /// <summary>Encapsulates monitoring and logging.</summary>
+        private readonly IMonitor Monitor;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="monitor">Encapsulates monitoring and logging.</param>
+        public GamePatcher(IMonitor monitor)
+        {
+            this.Monitor = monitor;
+        }
+
+        /// <summary>Apply all loaded patches to the game.</summary>
+        /// <param name="patches">The patches to apply.</param>
+        public void Apply(params IHarmonyPatch[] patches)
+        {
+            HarmonyInstance harmony = HarmonyInstance.Create("io.smapi");
+            foreach (IHarmonyPatch patch in patches)
+            {
+                try
+                {
+                    patch.Apply(harmony);
+                }
+                catch (Exception ex)
+                {
+                    this.Monitor.Log($"Couldn't apply runtime patch '{patch.Name}' to the game. Some SMAPI features may not work correctly. See log file for details.", LogLevel.Error);
+                    this.Monitor.Log(ex.GetLogSummary(), LogLevel.Trace);
+                }
+            }
+        }
+    }
+}
diff --git a/src/SMAPI/Framework/Patching/IHarmonyPatch.cs b/src/SMAPI/Framework/Patching/IHarmonyPatch.cs
new file mode 100644
index 00000000..cb42f40e
--- /dev/null
+++ b/src/SMAPI/Framework/Patching/IHarmonyPatch.cs
@@ -0,0 +1,15 @@
+using Harmony;
+
+namespace StardewModdingAPI.Framework.Patching
+{
+    /// <summary>A Harmony patch to apply.</summary>
+    internal interface IHarmonyPatch
+    {
+        /// <summary>A unique name for this patch.</summary>
+        string Name { get; }
+
+        /// <summary>Apply the Harmony patch.</summary>
+        /// <param name="harmony">The Harmony instance.</param>
+        void Apply(HarmonyInstance harmony);
+    }
+}