A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Reflection;
3using UnityEngine;
4using UnityEditor.Graphing;
5using UnityEditor.ShaderGraph;
6using UnityEditor.UIElements;
7using UnityEngine.UIElements;
8
9namespace UnityEditor.ShaderGraph.Drawing.Controls
10{
11 [AttributeUsage(AttributeTargets.Property)]
12 class GradientControlAttribute : Attribute, IControlAttribute
13 {
14 string m_Label;
15
16 public GradientControlAttribute(string label = null)
17 {
18 m_Label = label;
19 }
20
21 public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
22 {
23 return new GradientControlView(m_Label, node, propertyInfo);
24 }
25 }
26
27 [Serializable]
28 class GradientObject : ScriptableObject
29 {
30 public Gradient gradient = new Gradient();
31 }
32
33 class GradientControlView : VisualElement
34 {
35 GUIContent m_Label;
36
37 AbstractMaterialNode m_Node;
38
39 PropertyInfo m_PropertyInfo;
40
41 [SerializeField]
42 GradientObject m_GradientObject;
43
44 [SerializeField]
45 SerializedObject m_SerializedObject;
46
47 public GradientControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
48 {
49 m_Node = node;
50 m_PropertyInfo = propertyInfo;
51 styleSheets.Add(Resources.Load<StyleSheet>("Styles/Controls/GradientControlView"));
52
53 if (propertyInfo.PropertyType != typeof(Gradient))
54 throw new ArgumentException("Property must be of type Gradient.", "propertyInfo");
55 new GUIContent(label ?? ObjectNames.NicifyVariableName(propertyInfo.Name));
56
57 m_GradientObject = ScriptableObject.CreateInstance<GradientObject>();
58 m_GradientObject.gradient = new Gradient();
59 m_SerializedObject = new SerializedObject(m_GradientObject);
60
61 var gradient = (Gradient)m_PropertyInfo.GetValue(m_Node, null);
62 m_GradientObject.gradient.SetKeys(gradient.colorKeys, gradient.alphaKeys);
63 m_GradientObject.gradient.mode = gradient.mode;
64
65 var gradientPanel = new VisualElement { name = "gradientPanel" };
66 if (!string.IsNullOrEmpty(label))
67 gradientPanel.Add(new Label(label));
68
69 var gradientField = new GradientField() { value = m_GradientObject.gradient, colorSpace = ColorSpace.Linear, hdr = true };
70 gradientField.RegisterValueChangedCallback(OnValueChanged);
71 gradientPanel.Add(gradientField);
72
73 Add(gradientPanel);
74 }
75
76 void OnValueChanged(ChangeEvent<Gradient> evt)
77 {
78 m_SerializedObject.Update();
79 var value = (Gradient)m_PropertyInfo.GetValue(m_Node, null);
80 if (!evt.newValue.Equals(value))
81 {
82 m_GradientObject.gradient.SetKeys(evt.newValue.colorKeys, evt.newValue.alphaKeys);
83 m_GradientObject.gradient.mode = evt.newValue.mode;
84 m_SerializedObject.ApplyModifiedProperties();
85
86 m_Node.owner.owner.RegisterCompleteObjectUndo("Change " + m_Node.name);
87 m_PropertyInfo.SetValue(m_Node, m_GradientObject.gradient, null);
88 this.MarkDirtyRepaint();
89 }
90 }
91 }
92}