1 files changed, 29 insertions, 0 deletions
diff --git a/src/SMAPI/Framework/Input/IInputStateBuilder.cs b/src/SMAPI/Framework/Input/IInputStateBuilder.cs
new file mode 100644
index 00000000..193e5216
--- /dev/null
+++ b/src/SMAPI/Framework/Input/IInputStateBuilder.cs
@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+
+namespace StardewModdingAPI.Framework.Input
+{
+    /// <summary>Manages input state.</summary>
+    /// <typeparam name="THandler">The handler type.</typeparam>
+    /// <typeparam name="TState">The state type.</typeparam>
+    internal interface IInputStateBuilder<out THandler, TState>
+        where TState : struct
+        where THandler : IInputStateBuilder<THandler, TState>
+    {
+        /*********
+        ** Methods
+        *********/
+        /// <summary>Reset the tracked state.</summary>
+        /// <param name="state">The state from which to reset, or <c>null</c> to get the latest state.</param>
+        THandler Reset(TState? state = null);
+
+        /// <summary>Override the states for a set of buttons.</summary>
+        /// <param name="overrides">The button state overrides.</param>
+        THandler OverrideButtons(IDictionary<SButton, SButtonState> overrides);
+
+        /// <summary>Get the currently pressed buttons.</summary>
+        IEnumerable<SButton> GetPressedButtons();
+
+        /// <summary>Get the equivalent state.</summary>
+        TState GetState();
+    }
+}