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