add: Item Manager

src/Agents/AgentAction.cs

@@ -0,0 +1,60 @@
+using Godot;
+
+namespace Polonium.Agents;
+
+public abstract partial class AgentAction : Node
+{
+    public abstract class Parameter
+    {
+    }
+
+    public virtual void SetParameter(Parameter p)
+    {
+    }
+
+    public abstract void Execute();
+
+    public abstract void Finish();
+
+    public abstract void Reset();
+
+    public abstract class Template : PoloniumTemplate<AgentAction>
+    {
+        public abstract string ActionName { get; }
+        public abstract Template Copy { get; }
+    }
+
+    public class Template<TAction> : Template
+        where TAction : AgentAction
+    {
+        public override string ActionName => PoloniumRegistry.Action<TAction>.Name;
+
+        public override TAction Get
+        {
+            get
+            {
+                TAction res = PoloniumRegistry.Asset<TAction>.Get();
+                res.Reset();
+                Modify(res);
+                return res;
+            }
+        }
+
+        public override void Modify(AgentAction obj)
+        {
+            if (obj is not TAction act)
+                return;
+            Modify(act);
+        }
+
+        public void Return(TAction res) => PoloniumRegistry.Asset<TAction>.Return(res);
+
+        public override Template Copy => new Template<TAction> { };
+
+        public virtual void Modify(TAction action)
+        {
+        }
+    }
+}
+
+