reworked mesh decimation yes

LightlessSync/ThirdParty/Nanomesh/Base/VertexData.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+
+namespace Nanomesh
+{
+    public struct VertexData : IEquatable<VertexData>
+    {
+        public int position;
+        public List<object> attributes; // TODO : This is not optimal regarding memory
+
+        public VertexData(int pos)
+        {
+            position = pos;
+            attributes = new List<object>();
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hash = 17;
+                hash = hash * 31 + position;
+                foreach (object attr in attributes)
+                {
+                    hash = hash * 31 + attr.GetHashCode();
+                }
+                return hash;
+            }
+        }
+
+        public bool Equals(VertexData other)
+        {
+            if (!position.Equals(other.position))
+                return false;
+
+            if (attributes.Count != other.attributes.Count)
+                return false;
+
+            for (int i = 0; i < attributes.Count; i++)
+            {
+                if (!attributes[i].Equals(other.attributes[i]))
+                    return false;
+            }
+
+            return true;
+        }
+    }
+}