A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Collections;
3using System.Collections.Generic;
4
5namespace Unity.VisualScripting
6{
7 public class VariantCollection<TBase, TImplementation> : ICollection<TBase> where TImplementation : TBase
8 {
9 public VariantCollection(ICollection<TImplementation> implementation)
10 {
11 if (implementation == null)
12 {
13 throw new ArgumentNullException(nameof(implementation));
14 }
15
16 this.implementation = implementation;
17 }
18
19 public ICollection<TImplementation> implementation { get; private set; }
20
21 public int Count => implementation.Count;
22
23 public bool IsReadOnly => implementation.IsReadOnly;
24
25 IEnumerator IEnumerable.GetEnumerator()
26 {
27 return GetEnumerator();
28 }
29
30 public IEnumerator<TBase> GetEnumerator()
31 {
32 foreach (var i in implementation)
33 {
34 yield return i;
35 }
36 }
37
38 public void Add(TBase item)
39 {
40 if (!(item is TImplementation))
41 {
42 throw new NotSupportedException();
43 }
44
45 implementation.Add((TImplementation)item);
46 }
47
48 public void Clear()
49 {
50 implementation.Clear();
51 }
52
53 public bool Contains(TBase item)
54 {
55 if (!(item is TImplementation))
56 {
57 throw new NotSupportedException();
58 }
59
60 return implementation.Contains((TImplementation)item);
61 }
62
63 public bool Remove(TBase item)
64 {
65 if (!(item is TImplementation))
66 {
67 throw new NotSupportedException();
68 }
69
70 return implementation.Remove((TImplementation)item);
71 }
72
73 public void CopyTo(TBase[] array, int arrayIndex)
74 {
75 if (array == null)
76 {
77 throw new ArgumentNullException(nameof(array));
78 }
79
80 if (arrayIndex < 0)
81 {
82 throw new ArgumentOutOfRangeException(nameof(arrayIndex));
83 }
84
85 if (array.Length - arrayIndex < Count)
86 {
87 throw new ArgumentException();
88 }
89
90 var implementationArray = new TImplementation[Count];
91 implementation.CopyTo(implementationArray, 0);
92
93 for (var i = 0; i < Count; i++)
94 {
95 array[i + arrayIndex] = implementationArray[i];
96 }
97 }
98 }
99}