Initial Upload

it working and not nuking fps... wow

CVRGizmos/Gizmo/Drawer.cs

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+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using UnityEngine;
+
+namespace Popcron
+{
+    public abstract class Drawer
+    {
+        private static Dictionary<Type, Drawer> typeToDrawer = null;
+
+        public abstract int Draw(ref Vector3[] buffer, params object[] args);
+
+        public Drawer()
+        {
+
+        }
+
+        public static Drawer Get<T>() where T : class
+        {
+            //find all drawers
+            if (typeToDrawer == null)
+            {
+                typeToDrawer = new Dictionary<Type, Drawer>();
+
+                //add defaults
+                typeToDrawer.Add(typeof(CubeDrawer), new CubeDrawer());
+                typeToDrawer.Add(typeof(LineDrawer), new LineDrawer());
+                typeToDrawer.Add(typeof(PolygonDrawer), new PolygonDrawer());
+                typeToDrawer.Add(typeof(SquareDrawer), new SquareDrawer());
+
+                //find extras
+                Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
+                foreach (Assembly assembly in assemblies)
+                {
+                    Type[] types = assembly.GetTypes();
+                    foreach (Type type in types)
+                    {
+                        if (type.IsAbstract)
+                        {
+                            continue;
+                        }
+
+                        if (type.IsSubclassOf(typeof(Drawer)) && !typeToDrawer.ContainsKey(type))
+                        {
+                            try
+                            {
+                                Drawer value = (Drawer)Activator.CreateInstance(type);
+                                typeToDrawer[type] = value;
+                            }
+                            catch (Exception e)
+                            {
+                                Debug.LogError($"couldnt register drawer of type {type} because {e.Message}");
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (typeToDrawer.TryGetValue(typeof(T), out Drawer drawer))
+            {
+                return drawer;
+            }
+            else
+            {
+                return null;
+            }
+        }
+    }
+}