1 files changed, 51 insertions, 0 deletions
diff --git a/V3/AI/IAiPlayer.cs b/V3/AI/IAiPlayer.cs
new file mode 100644
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+++ b/V3/AI/IAiPlayer.cs
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+using System.Collections.Generic;
+using Microsoft.Xna.Framework;
+
+namespace V3.AI
+{
+    /// <summary>
+    /// A computer player that takes actions according to a specified strategy.
+    /// </summary>
+    public interface IAiPlayer
+    {
+        /// <summary>
+        /// The current world view of the player.  It stores the knowledge of
+        /// the computer player based on the previous percepts.
+        /// </summary>
+        IWorldView WorldView { get; }
+        /// <summary>
+        /// The strategy of the player.  The strategy is a state machine that
+        /// defines the current state.
+        /// </summary>
+        IStrategy Strategy { get; }
+        /// <summary>
+        /// The current state of the player.  The state is one step of the
+        /// strategy, and defines the specific actions to take.
+        /// </summary>
+        AiState State { get; set; }
+        /// <summary>
+        /// The actions that the player wants to be executed.  Updated by
+        /// Act.
+        /// </summary>
+        IList<IAction> Actions { get; }
+
+        /// <summary>
+        /// Executes one update cycle -- perception, acting and the execution
+        /// of actions.
+        /// </summary>
+        /// <param name="gameTime">the time since the last update</param>
+        void Update(GameTime gameTime);
+
+        /// <summary>
+        /// Update the AI's view of the game world.
+        /// </summary>
+        void Percept();
+
+        /// <summary>
+        /// Take actions based on the previous percepts, the current strategy
+        /// and state.  Updates the list of actions stored in Actions.  These
+        /// should be executed by the caller.
+        /// </summary>
+        void Act();
+    }
+}