77 lines
2.6 KiB
C#
77 lines
2.6 KiB
C#
using System;
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using UnityEngine;
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namespace UnityEditor.ShaderGraph.Samples
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{
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public class RemapDrawer : MaterialPropertyDrawer
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{
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private Vector2 range = Vector2.up;
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public RemapDrawer() { }
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public RemapDrawer(float min, float max)
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{
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this.range.x = min;
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this.range.y = max;
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}
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public RemapDrawer(float min, float max, float negativeOffset)
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{
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this.range.x = min - negativeOffset;
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this.range.y = max - negativeOffset;
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}
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public override float GetPropertyHeight(MaterialProperty prop, string label, MaterialEditor editor)
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{
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return 48;
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}
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public override void OnGUI(Rect position, MaterialProperty prop, String label, MaterialEditor editor)
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{
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editor.BeginAnimatedCheck(position, prop);
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using (new EditorGUI.DisabledScope((prop.propertyFlags & UnityEngine.Rendering.ShaderPropertyFlags.PerRendererData) != 0))
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{
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MaterialEditor.BeginProperty(position, prop);
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float labelWidth = EditorGUIUtility.labelWidth;
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var labelRect = position;
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labelRect.height *= .5f;
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var sliderRect = position;
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sliderRect.height *= .5f;
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sliderRect.y += labelRect.height;
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var minFieldRect = sliderRect;
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var maxFieldRect = sliderRect;
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var rangeFieldWidth = minFieldRect.width = maxFieldRect.width = 64f;
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sliderRect.x += rangeFieldWidth;
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sliderRect.width -= rangeFieldWidth * 2;
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maxFieldRect.x = sliderRect.xMax;
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Vector2 v = prop.vectorValue;
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float min = v.x, max = v.y;
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EditorGUIUtility.labelWidth = 0f;
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EditorGUI.LabelField(labelRect, label);
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EditorGUI.showMixedValue = prop.hasMixedValue;
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EditorGUI.BeginChangeCheck();
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min = Mathf.Clamp(EditorGUI.FloatField(minFieldRect, prop.vectorValue.x), range.x, max);
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max = Mathf.Clamp(EditorGUI.FloatField(maxFieldRect, prop.vectorValue.y), min, range.y);
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if (!prop.hasMixedValue)
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EditorGUI.MinMaxSlider(sliderRect, ref min, ref max, range.x, range.y);
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if (EditorGUI.EndChangeCheck())
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prop.vectorValue = new Vector2(min, max);
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EditorGUI.showMixedValue = false;
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EditorGUIUtility.labelWidth = labelWidth;
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MaterialEditor.EndProperty();
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}
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editor.EndAnimatedCheck();
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}
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}
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}
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