add: Item Manager

src/Agents/ActionSet.cs

@@ -5,9 +5,9 @@ namespace Polonium.Agents;
 
 public abstract partial class ActionSet : Node
 {
-    [Signal]
-    public delegate void ActionSubmittedEventHandler(ActionBody action);
-    
+
+    public HashSet<AgentAction.Template> Templates { get; set; } = new();
+    public virtual void Learn(AgentAction.Template template) => Templates.Add(template);
     
 }
 

src/Agents/Agent.cs

@@ -15,7 +15,6 @@ public abstract partial class Agent : Node
     {
         Knowledge = GetNode<Knowledge>("Knowledge");
         ActionSet = GetNode<ActionSet>("ActionSet");
-        ActionSet.ActionSubmitted += ExecuteAction;
     }
 
     public sealed override void _Ready()
@@ -34,6 +33,14 @@ public abstract partial class Agent : Node
         header.SetSender(this);
         EmitSignalActionExecuted(header, actionBody);
     }
-    
-    
+
+    public void Act<TAction>(AgentAction.Parameter parameter)
+        where TAction : AgentAction
+    {
+        AgentAction.Template template = ActionSet.Templates
+            .FirstOrDefault(t => t.ActionName == PoloniumRegistry.Action<TAction>.Name);
+        
+    }
+
+
 }

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)
+        {
+        }
+    }
+}
+
+

src/Agents/Knowledge.cs

@@ -1,8 +1,12 @@
 using Godot;
+using Polonium.Resources;
 
 namespace Polonium.Agents;
 
 public abstract partial class Knowledge : Node
 {
-    
-}
+    [Signal]
+    public delegate void KnowledgeUpdatedEventHandler(KnowledgePatch update);
+    public abstract void UpdateKnowledge(KnowledgePatch update);
+}
+

src/Agents/World.cs

@@ -5,7 +5,7 @@ namespace Polonium.Agents;
 
 public abstract partial class World : Node 
 {
-    private WorldModel Model { get; set; }
+    protected WorldModel Model { get; set; }
     public HashSet<Agent> Agents { get; } = new();
     public Knowledge CommonKnowledge { get; set; }
 

src/Agents/WorldModel.cs

@@ -11,7 +11,7 @@ public abstract partial class WorldModel : Node
     [Signal]
     public delegate void PrivateKnowledgeUpdatedEventHandler(SignalHeader header, KnowledgePatch update);
     
-    private Knowledge WorldKnowledge { get; set; }
+    protected Knowledge WorldKnowledge { get; set; }
     
     public override void _Ready()
     {

src/Attributes/SkinInfo.cs

@@ -0,0 +1,8 @@
+namespace Polonium.Attributes;
+[AttributeUsage(AttributeTargets.Class)]
+public class SkinInfo(string path, int roots = 1) : Attribute
+{
+    public string Path { get; set; } = path;
+    public int Roots { get; set; } = roots;
+    
+}

src/ItemManagers/Generic/SkinItem.cs

@@ -0,0 +1,33 @@
+using Godot;
+using Polonium.SkinManagers.Generic;
+
+namespace Polonium.ItemManagers.Generic;
+
+public abstract partial class SkinItem<TItem, TSkin> : SkinItem
+    where TItem : SkinItem<TItem, TSkin>
+    where TSkin : Skin<TSkin>
+{
+    public new TSkin Skin
+    {
+        get => base.Skin as TSkin;
+        set => base.Skin = value;
+    }
+
+    public new abstract class Template : SkinItem.Template
+    {
+        public Dictionary<int, (Color, bool)> DyeInfo { get; set; } = new();
+        public override SkinItem Get => GenericGet<TItem, TSkin>();
+
+        public virtual void Return(TItem item) => GenericReturn<TItem, TSkin>(item);
+
+        public override void Modify(SkinItem obj)
+        {
+            foreach (int key in DyeInfo.Keys)
+            {
+                (Color c, bool g) = DyeInfo[key];
+                obj.Skin.Dye(key, c, g);
+            }
+        }
+    }
+
+}

src/ItemManagers/Item.cs

@@ -0,0 +1,36 @@
+using Godot;
+
+namespace Polonium.ItemManagers;
+
+public abstract partial class Item : Node
+{
+    public Texture2D ItemIcon { get; set; }
+    public abstract class Template : PoloniumTemplate<Item>
+    {
+    }
+
+    public class Template<TItem> : Template
+        where TItem : Item
+    {
+        public override Item Get
+        {
+            get
+            {
+                TItem res = PoloniumRegistry.Asset<TItem>.Get();
+                Modify(res);
+                return res;
+            }
+        }
+
+        public override void Modify(Item obj)
+        {
+            if (obj is not TItem item)
+                return;
+            Modify(item);
+        }
+
+        public virtual void Modify(TItem res)
+        {
+        }
+    }
+}

src/ItemManagers/SkinItem.cs

@@ -0,0 +1,53 @@
+using Polonium.SkinManagers;
+
+namespace Polonium.ItemManagers;
+
+public abstract partial class SkinItem : Item
+{
+    public Skin Skin { get; set; }
+
+    public virtual void Reset()
+    {
+    }
+
+    public new abstract class Template : PoloniumTemplate<SkinItem>
+    {
+        protected SkinItem Instance { get; set; }
+
+        protected virtual TItem GenericGet<TItem, TSkin>()
+            where TItem : SkinItem
+            where TSkin : Skin
+        {
+            TItem res = PoloniumRegistry.Asset<TItem>.Get();
+            res.Reset();
+            res.Skin = GetSkin<TSkin>();
+            Modify(res);
+            return res;
+        }
+
+        protected virtual void GenericReturn<TItem, TSkin>(TItem item)
+            where TItem : SkinItem
+            where TSkin : Skin
+        {
+            ReturnSkin(item.Skin as TSkin);
+            item.Skin = null;
+            PoloniumRegistry.Asset<TItem>.Return(item);
+        }
+
+        protected virtual TSkin GetSkin<TSkin>()
+            where TSkin : Skin
+        {
+            TSkin res = PoloniumRegistry.Asset<TSkin>.Get();
+            res.Init();
+            return res;
+        }
+
+        protected virtual void ReturnSkin<TSkin>(TSkin skin)
+            where TSkin : Skin
+        {
+            PoloniumRegistry.Asset<TSkin>.Return(skin);
+        }
+
+    }
+
+}

src/PoloniumRegistry.cs

@@ -32,6 +32,39 @@ public class PoloniumRegistry
     // ReSharper disable once CollectionNeverQueried.Global
     [RegistryPassThrough(true)]
     public HashSet<ITimeConsumer> TimeConsumers { get; } = new();
-    
+
+    public static class Action<TAction> 
+        where TAction : AgentAction
+    {
+        // ReSharper disable once StaticMemberInGenericType
+        public static string Name { get; set; }
+    }
+
+
+    public static class SkinRegistry<TSkin>
+        where TSkin : Polonium.SkinManagers.Skin
+    {
+        // ReSharper disable once StaticMemberInGenericType
+        public static Color[] PaletteRoots { get; set; }
+        // ReSharper disable once StaticMemberInGenericType
+        public static Dictionary<Color, Color[]> PaletteMap { get; set; }
+    }
+
+    public static class Asset<TAsset>
+        where TAsset : Node
+    {
+        private static readonly Queue<TAsset> Pool = new();
+        public static PackedScene Scene { get; set; }
+        private static TAsset Instance => Scene.Instantiate<TAsset>();
+        public static TAsset Get() => Pool.Count > 0 ? Pool.Dequeue() : Instance;
+
+        public static void Return(TAsset asset)
+        {
+            if (Pool.Count < 10)
+                Pool.Enqueue(asset);
+            else
+                asset.QueueFree();
+        }
+    }
 
 }

src/PoloniumTemplate.cs

@@ -0,0 +1,7 @@
+namespace Polonium;
+
+public abstract class PoloniumTemplate<TObj>
+{
+    public abstract TObj Get { get; }
+    public abstract void Modify(TObj obj);
+}

src/Resources/SignalHeader.cs

@@ -6,7 +6,7 @@ namespace Polonium.Resources;
 public abstract partial class SignalHeader : Resource
 {
 
-    public abstract Agent[] ResolveReceivers();
+    public abstract IEnumerable<Agent> ResolveReceivers();
     public abstract Agent ResolveSender();
 
     public abstract void SetSender(Agent agent);

src/SkinManagers/Generic/AutoPaletteSkin.cs

@@ -0,0 +1,8 @@
+namespace Polonium.SkinManagers.Generic;
+
+public abstract partial class AutoPaletteSkin<TSkin> : Skin<TSkin>
+    where TSkin : AutoPaletteSkin<TSkin>
+{
+    protected override int Columns => 1;
+    protected override int Rows => 1;
+}

src/SkinManagers/Generic/Skin.cs

@@ -0,0 +1,12 @@
+
+using Godot;
+
+namespace Polonium.SkinManagers.Generic;
+
+public abstract partial class Skin<TSkin> : Skin
+    where TSkin : Skin<TSkin>
+{
+    protected override int RootCount => PaletteRoots.Length;
+    protected override Color[] PaletteRoots => PoloniumRegistry.SkinRegistry<TSkin>.PaletteRoots;
+    protected override Dictionary<Color, Color[]> PaletteMap => PoloniumRegistry.SkinRegistry<TSkin>.PaletteMap;
+}

src/SkinManagers/Skin.cs

@@ -0,0 +1,112 @@
+using Godot;
+
+namespace Polonium.SkinManagers;
+
+public abstract partial class Skin : Sprite2D
+{
+    protected abstract int Columns { get; }
+    protected abstract int Rows { get; }
+
+    protected virtual string ShaderMaterialPath => "res://embedded/Miscs/SkinDyeMaterial.tres";
+    
+    protected ShaderMaterial ShaderMaterial
+    {
+        get => Material as ShaderMaterial;
+        set => Material = value;
+    }
+
+    protected abstract Color[] PaletteRoots { get; }
+
+    protected abstract Dictionary<Color, Color[]> PaletteMap { get; }
+    protected Color[] DyeMap { get; set; }
+    protected int[] GlowingMap { get; set; }
+    protected abstract int RootCount { get; }
+
+    private struct DyeInfo
+    {
+        public Color[] ColorFrom;
+        public Color[] ColorTo;
+        public int[] Glowing;
+    }
+
+
+    private DyeInfo FullDyePair
+    {
+        get
+        {
+            List<Color> colorFrom = new List<Color>();
+            List<Color> colorTo = new List<Color>();
+            List<int> glowing = new List<int>();
+            for (int i = 0; i < PaletteRoots.Length; i++)
+            {
+                Color rootSource = PaletteRoots[i];
+                Color rootTarget = DyeMap[i];
+                int isGlowing = GlowingMap[i];
+                foreach (Color c in PaletteMap[rootSource])
+                {
+                    colorFrom.Add(c);
+                    float h = c.H + rootTarget.H - rootSource.H;
+                    if (h > 0)
+                        h -= 1;
+                    if (h < 0)
+                        h += 1;
+                    float s = rootSource.S > 0 
+                        ? Math.Max(0, Math.Min(1, c.S * (rootTarget.S / rootSource.S)))
+                        : Math.Max(0, Math.Min(1, rootTarget.S + (c.S - rootSource.S)));
+
+                    float v = rootSource.V > 0 
+                        ? Math.Max(0, Math.Min(1, c.V * (rootTarget.V / rootSource.V)))
+                        : Math.Max(0, Math.Min(1, rootTarget.V + (c.V - rootSource.V)));
+                    colorTo.Add(Color.FromHsv(h, s, v, rootTarget.A));
+                    glowing.Add(isGlowing);
+                }
+                
+            }
+            while (colorFrom.Count < 32)
+            {
+                colorFrom.Add(Color.Color8(1, 2, 3, 4));
+                colorTo.Add(Color.Color8(1, 2, 3, 4));
+                glowing.Add(0);
+            }
+
+            return  new DyeInfo(){ ColorFrom = colorFrom.ToArray(),  ColorTo = colorTo.ToArray(), Glowing = glowing.ToArray() };
+        }
+    }
+
+    public virtual void Init()
+    {
+        Hframes = Columns;
+        Vframes = Rows;
+        if (DyeMap is null || DyeMap.Length != PaletteRoots.Length)
+        {
+            DyeMap = new Color[PaletteRoots.Length];
+            GlowingMap = new int[PaletteRoots.Length];
+            for (int i = 0; i < PaletteRoots.Length; i++)
+            {
+                DyeMap[i] = PaletteRoots[i];
+                GlowingMap[i] = 0;
+            }
+        }
+        
+        ShaderMaterial = ResourceLoader
+            .Load<ShaderMaterial>(ShaderMaterialPath)
+            .Duplicate() as ShaderMaterial;
+        Rerender();
+    }
+
+    private void Rerender()
+    {
+        DyeInfo info = FullDyePair;
+        ShaderMaterial.SetShaderParameter("old_palette", info.ColorFrom);
+        ShaderMaterial.SetShaderParameter("new_palette", info.ColorTo);
+        ShaderMaterial.SetShaderParameter("glowing", info.Glowing);
+    }
+
+    public void Dye(int rootIdx, Color target, bool glowing = false)
+    {
+        DyeMap[rootIdx] = target;
+        GlowingMap[rootIdx] = glowing ? 1 : 0;
+        Rerender();
+    }
+
+}

src/SkinManagers/SkinPacker.cs

@@ -0,0 +1,43 @@
+using Godot;
+
+namespace Polonium.SkinManagers;
+
+public abstract partial class SkinPacker : Node2D
+{
+    public Node2D SkinCollector { get; set; }
+    protected Skin[] CollectedSkins => SkinCollector
+        .GetChildren()
+        .OfType<Skin>()
+        .ToArray();
+
+    private Vector2I BackingFrameCoords { get; set; }
+
+    [Export]
+    protected Vector2I FrameCoords
+    {
+        get => BackingFrameCoords;
+        set
+        {
+            BackingFrameCoords = value;
+            UpdateSkins();
+        }
+    }
+
+    private void UpdateSkins()
+    {
+        if (SkinCollector is not null)
+            foreach(Skin skin in CollectedSkins)
+                skin.FrameCoords = FrameCoords;
+    }
+
+    public AnimationPlayer SyncPlayer { get; set; }
+
+    public override void _Ready()
+    {
+        base._Ready();
+        SyncPlayer = GetNode<AnimationPlayer>("AnimationPlayer");
+        SkinCollector = GetNode<Node2D>("SkinCollector");
+    }
+
+
+}