XiuXianGame/Assets/AmplifyShaderEditor/Plugins/Editor/CustomDrawers/RemapSliders.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 RemapSliders : MaterialPropertyDrawer
	{
		public override void OnGUI( Rect position, MaterialProperty prop, String label, MaterialEditor editor )
		{
			EditorGUI.BeginChangeCheck();
			Vector4 value = prop.vectorValue;

			EditorGUI.showMixedValue = prop.hasMixedValue;

			var cacheLabel = EditorGUIUtility.labelWidth;
			var cacheField = EditorGUIUtility.fieldWidth;
			if ( cacheField <= 64 )
			{
				float total = position.width;
				EditorGUIUtility.labelWidth = Mathf.Ceil( 0.45f * total ) - 30;
				EditorGUIUtility.fieldWidth = Mathf.Ceil( 0.55f * total ) + 30;
			}

			EditorGUI.MinMaxSlider( position, label, ref value.x, ref value.y, 0, 1 );

			EditorGUIUtility.labelWidth = cacheLabel;
			EditorGUIUtility.fieldWidth = cacheField;
			EditorGUI.showMixedValue = false;
			if ( EditorGUI.EndChangeCheck() )
			{
				prop.vectorValue = value;
			}
		}
	}
}