A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Collections.Generic;
3
4namespace Unity.VisualScripting
5{
6 public sealed class GraphStack : GraphPointer, IPoolable, IDisposable
7 {
8 #region Lifecycle
9
10 private GraphStack() { }
11
12 private void InitializeNoAlloc(IGraphRoot root, List<IGraphParentElement> parentElements, bool ensureValid)
13 {
14 Initialize(root);
15
16 Ensure.That(nameof(parentElements)).IsNotNull(parentElements);
17
18 foreach (var parentElement in parentElements)
19 {
20 if (!TryEnterParentElement(parentElement, out var error))
21 {
22 if (ensureValid)
23 {
24 throw new GraphPointerException(error, this);
25 }
26 else
27 {
28 break;
29 }
30 }
31 }
32 }
33
34 internal static GraphStack New(IGraphRoot root, List<IGraphParentElement> parentElements)
35 {
36 var stack = GenericPool<GraphStack>.New(() => new GraphStack());
37 stack.InitializeNoAlloc(root, parentElements, true);
38 return stack;
39 }
40
41 internal static GraphStack New(GraphPointer model)
42 {
43 var stack = GenericPool<GraphStack>.New(() => new GraphStack());
44 stack.CopyFrom(model);
45 return stack;
46 }
47
48 public GraphStack Clone()
49 {
50 return New(this);
51 }
52
53 public void Dispose()
54 {
55 GenericPool<GraphStack>.Free(this);
56 }
57
58 void IPoolable.New()
59 {
60 }
61
62 void IPoolable.Free()
63 {
64 root = null;
65 parentStack.Clear();
66 parentElementStack.Clear();
67 graphStack.Clear();
68 dataStack.Clear();
69 debugDataStack.Clear();
70 }
71
72 #endregion
73
74 #region Conversion
75
76 public override GraphReference AsReference()
77 {
78 return ToReference();
79 }
80
81 public GraphReference ToReference()
82 {
83 return GraphReference.Intern(this);
84 }
85
86 internal void ClearReference()
87 {
88 GraphReference.ClearIntern(this);
89 }
90
91 #endregion
92
93 #region Traversal
94
95 public new void EnterParentElement(IGraphParentElement parentElement)
96 {
97 base.EnterParentElement(parentElement);
98 }
99
100 public bool TryEnterParentElement(IGraphParentElement parentElement)
101 {
102 return TryEnterParentElement(parentElement, out var error);
103 }
104
105 public bool TryEnterParentElementUnsafe(IGraphParentElement parentElement)
106 {
107 return TryEnterParentElement(parentElement, out var error, null, true);
108 }
109
110 public new void ExitParentElement()
111 {
112 base.ExitParentElement();
113 }
114
115 #endregion
116 }
117}