new battle gui

src/Adapters/IBattleAnimationPlayer.cs

@@ -0,0 +1,26 @@
+using System;
+
+namespace Cthangover.Core.Battle
+{
+    /// <summary>
+    /// Plays a specific animation type. Each player is keyed by
+    /// AnimationType so the registry can dispatch animations without
+    /// knowing concrete player types. The onComplete callback chains
+    /// into the action machine's polling loop.
+    /// </summary>
+    public interface IBattleAnimationPlayer
+    {
+        /// <summary>
+        /// String key used by <see cref="AnimationRegistry"/> to select
+        /// this player for a given <see cref="IBattleAnimation.AnimationType"/>.
+        /// </summary>
+        string AnimationType { get; }
+
+        /// <summary>
+        /// Starts playing the animation described by <paramref name="anim"/>.
+        /// Must invoke <paramref name="onComplete"/> once the animation
+        /// finishes, so the action machine can advance to the next step.
+        /// </summary>
+        void Play(IBattleAnimation anim, Action onComplete);
+    }
+}