First commit

Runtime/Models/Slots/Slot.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Reflection;
+using UnityEngine;
+
+namespace Misaki.GraphView
+{
+    [Serializable]
+    public struct SlotData : IEquatable<SlotData>
+    {
+        public string slotName;
+        public string nodeID;
+        public int slotIndex;
+        public SlotDirection direction;
+        public string valueType;
+
+        public bool Equals(SlotData other)
+        {
+            return slotName == other.slotName && nodeID == other.nodeID && slotIndex == other.slotIndex && direction == other.direction && valueType == other.valueType;
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is SlotData other && Equals(other);
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(slotName, nodeID, slotIndex, direction, valueType);
+        }
+        
+        public static bool operator ==(SlotData left, SlotData right)
+        {
+            return left.Equals(right);
+        }
+        
+        public static bool operator !=(SlotData left, SlotData right)
+        {
+            return !left.Equals(right);
+        }
+    }
+    
+    [Serializable]
+    public class Slot
+    {
+        [SerializeField] 
+        private List<SlotData> _linkedSlotData = new();
+        
+        public ReadOnlyCollection<SlotData> LinkedSlotData => _linkedSlotData.AsReadOnly();
+
+        [SerializeReference]
+        public BaseNode owner;
+        public SlotData slotData;
+        
+        public object value;
+        
+        public Slot(BaseNode owner, SlotData slotData)
+        {
+            this.owner = owner;
+            this.slotData = slotData;
+        }
+        
+        /// <summary>
+        /// Link the current slot with another slot.
+        /// </summary>
+        /// <param name="other"> The slot need to be linked </param>
+        public void Link(Slot other)
+        {
+            if (other.slotData.direction == slotData.direction)
+            {
+                return;
+            }
+            
+            if (_linkedSlotData.Contains(other.slotData))
+            {
+                return;
+            }
+            
+            _linkedSlotData.Add(other.slotData);
+            other._linkedSlotData.Add(slotData);
+        }
+        
+        /// <summary>
+        /// Unlink the current slot with another slot.
+        /// </summary>
+        /// <param name="other"> The slot need to be unlinked </param>
+        public void Unlink(Slot other)
+        {
+            _linkedSlotData.Remove(other.slotData);
+            other._linkedSlotData.Remove(slotData);
+        }
+
+        public void ReceiveData(object data)
+        {
+            value = data;
+            // We move this to PullData method in BaseNode
+            //owner.GetType().GetField(slotData.slotName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.SetValue(owner, data);
+        }
+    }
+}