54 lines
1.7 KiB
C#
54 lines
1.7 KiB
C#
using System;
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using System.Reflection;
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using UnityEngine;
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using UnityEditor.UIElements;
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using UnityEngine.UIElements;
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namespace UnityEditor.ShaderGraph.Drawing.Controls
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{
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[AttributeUsage(AttributeTargets.Property)]
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class TextureControlAttribute : Attribute, IControlAttribute
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{
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string m_Label;
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public TextureControlAttribute(string label = null)
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{
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m_Label = label;
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}
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public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
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{
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return new TextureControlView(m_Label, node, propertyInfo);
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}
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}
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class TextureControlView : VisualElement
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{
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AbstractMaterialNode m_Node;
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PropertyInfo m_PropertyInfo;
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public TextureControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
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{
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m_Node = node;
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m_PropertyInfo = propertyInfo;
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if (propertyInfo.PropertyType != typeof(Texture))
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throw new ArgumentException("Property must be of type Texture.", "propertyInfo");
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label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
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if (!string.IsNullOrEmpty(label))
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Add(new Label(label));
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var textureField = new ObjectField { value = (Texture)m_PropertyInfo.GetValue(m_Node, null), objectType = typeof(Texture) };
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textureField.RegisterValueChangedCallback(OnChange);
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Add(textureField);
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}
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void OnChange(ChangeEvent<UnityEngine.Object> evt)
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{
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m_Node.owner.owner.RegisterCompleteObjectUndo("Texture Change");
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m_PropertyInfo.SetValue(m_Node, evt.newValue, null);
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this.MarkDirtyRepaint();
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}
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}
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}
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