XiuXianGame/Assets/AmplifyShaderEditor/Plugins/Editor/CustomDrawers/NoKeywordToggle.cs

// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>

using UnityEngine;
using UnityEditor;
using System;

namespace AmplifyShaderEditor
{
	public class NoKeywordToggle : MaterialPropertyDrawer
	{

		public override void OnGUI( Rect position, MaterialProperty prop, String label, MaterialEditor editor )
		{
			bool value = ( prop.floatValue != 0.0f );

			EditorGUI.BeginChangeCheck();
			{
				EditorGUI.showMixedValue = prop.hasMixedValue;
				value = EditorGUI.Toggle( position, label, value );
				EditorGUI.showMixedValue = false;
			}
			if ( EditorGUI.EndChangeCheck() )
			{
				prop.floatValue = value ? 1.0f : 0.0f;
			}
		}
	}
}