A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Linq;
3using System.Reflection;
4using UnityEngine.Assertions;
5using UnityEngine.Rendering;
6
7namespace UnityEditor.Rendering
8{
9 /// <summary>
10 /// A serialization wrapper for <see cref="VolumeParameter{T}"/>.
11 /// </summary>
12 public sealed class SerializedDataParameter
13 {
14 /// <summary>
15 /// The serialized property for <see cref="VolumeParameter.overrideState"/>.
16 /// </summary>
17 public SerializedProperty overrideState { get; private set; }
18
19 /// <summary>
20 /// The serialized property for <see cref="VolumeParameter{T}.value"/>
21 /// </summary>
22 public SerializedProperty value { get; private set; }
23
24 /// <summary>
25 /// A pre-fetched list of all the attributes applied on the <see cref="VolumeParameter{T}"/>.
26 /// </summary>
27 public Attribute[] attributes { get; private set; }
28
29 /// <summary>
30 /// The actual type of the serialized <see cref="VolumeParameter{T}"/>.
31 /// </summary>
32 public Type referenceType { get; private set; }
33
34 SerializedProperty m_BaseProperty;
35 object m_ReferenceValue;
36
37 /// <summary>
38 /// The generated display name of the <see cref="VolumeParameter{T}"/> for the inspector.
39 /// </summary>
40 public string displayName => m_BaseProperty.displayName;
41
42 internal SerializedDataParameter(SerializedProperty property)
43 {
44 // Find the actual property type, optional attributes & reference
45 var path = property.propertyPath.Split('.');
46 object obj = property.serializedObject.targetObject;
47 FieldInfo field = null;
48
49 foreach (var p in path)
50 {
51 field = obj.GetType().GetField(p, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
52 obj = field.GetValue(obj);
53 }
54
55 Assert.IsNotNull(field);
56
57 m_BaseProperty = property.Copy();
58 overrideState = m_BaseProperty.FindPropertyRelative("m_OverrideState");
59 value = m_BaseProperty.FindPropertyRelative("m_Value");
60 attributes = field.GetCustomAttributes(false).Cast<Attribute>().ToArray();
61 referenceType = obj.GetType();
62 m_ReferenceValue = obj;
63 }
64
65 /// <summary>
66 /// Gets and casts an attribute applied on the base <see cref="VolumeParameter{T}"/>.
67 /// </summary>
68 /// <typeparam name="T">The type of the attribute to retrieve.</typeparam>
69 /// <returns>The first attribute of type T found, or null if no such attribute is present.</returns>
70 public T GetAttribute<T>()
71 where T : Attribute
72 {
73 return (T)attributes.FirstOrDefault(x => x is T);
74 }
75
76 /// <summary>
77 /// Gets and casts the underlying reference of type <typeparamref name="T"/>.
78 /// </summary>
79 /// <typeparam name="T">The type to cast to</typeparam>
80 /// <returns>The reference to the serialized <see cref="VolumeParameter{T}"/> type</returns>
81 public T GetObjectRef<T>()
82 {
83 return (T)m_ReferenceValue;
84 }
85 }
86}