66 lines
1.2 KiB
C#
66 lines
1.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace RoR2.Orbs;
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public static class OrbCatalog
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{
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private static readonly Dictionary<Type, int> typeToIndex;
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private static Type[] indexToType;
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private static void GenerateCatalog()
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{
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indexToType = (from t in typeof(Orb).Assembly.GetTypes()
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where t.IsSubclassOf(typeof(Orb))
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orderby t.Name
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select t).ToArray();
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typeToIndex.Clear();
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Type[] array = indexToType;
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foreach (Type key in array)
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{
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typeToIndex[key] = typeToIndex.Count;
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}
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}
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static OrbCatalog()
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{
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typeToIndex = new Dictionary<Type, int>();
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indexToType = Array.Empty<Type>();
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GenerateCatalog();
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}
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public static int FindIndex(Type type)
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{
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if (typeToIndex.TryGetValue(type, out var value))
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{
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return value;
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}
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return -1;
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}
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public static Type FindType(int index)
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{
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if (index < 0 || index >= indexToType.Length)
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{
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return null;
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}
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return indexToType[index];
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}
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public static Orb Instantiate(int index)
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{
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return Instantiate(FindType(index));
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}
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public static Orb Instantiate(Type type)
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{
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if (type == null)
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{
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return null;
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}
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return (Orb)Activator.CreateInstance(type);
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}
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}
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