mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Drawing/Controls/TextureControl.cs

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2024-09-20 20:30:10 +02:00
using System;
using System.Reflection;
using UnityEngine;
using UnityEditor.UIElements;
using UnityEngine.UIElements;
namespace UnityEditor.ShaderGraph.Drawing.Controls
{
[AttributeUsage(AttributeTargets.Property)]
class TextureControlAttribute : Attribute, IControlAttribute
{
string m_Label;
public TextureControlAttribute(string label = null)
{
m_Label = label;
}
public VisualElement InstantiateControl(AbstractMaterialNode node, PropertyInfo propertyInfo)
{
return new TextureControlView(m_Label, node, propertyInfo);
}
}
class TextureControlView : VisualElement
{
AbstractMaterialNode m_Node;
PropertyInfo m_PropertyInfo;
public TextureControlView(string label, AbstractMaterialNode node, PropertyInfo propertyInfo)
{
m_Node = node;
m_PropertyInfo = propertyInfo;
if (propertyInfo.PropertyType != typeof(Texture))
throw new ArgumentException("Property must be of type Texture.", "propertyInfo");
label = label ?? ObjectNames.NicifyVariableName(propertyInfo.Name);
if (!string.IsNullOrEmpty(label))
Add(new Label(label));
var textureField = new ObjectField { value = (Texture)m_PropertyInfo.GetValue(m_Node, null), objectType = typeof(Texture) };
textureField.RegisterValueChangedCallback(OnChange);
Add(textureField);
}
void OnChange(ChangeEvent<UnityEngine.Object> evt)
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Texture Change");
m_PropertyInfo.SetValue(m_Node, evt.newValue, null);
this.MarkDirtyRepaint();
}
}
}