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using UnityEngine;
using UnityEditor;
[CustomPropertyDrawer(typeof(MinMaxSliderAttribute))]
public class MinMaxSliderDrawer : PropertyDrawer
{
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
var minMaxAttribute = (MinMaxSliderAttribute)attribute;
var propertyType = property.propertyType;
label.tooltip = minMaxAttribute.min.ToString("F2") + " to " + minMaxAttribute.max.ToString("F2");
Rect controlRect = EditorGUI.PrefixLabel(position, label);
Rect[] splittedRect = SplitRect(controlRect, 3);
if (propertyType == SerializedPropertyType.Vector2)
{
EditorGUI.BeginChangeCheck();
Vector2 vector = property.vector2Value;
float minVal = vector.x;
float maxVal = vector.y;
minVal = float.Parse(GUI.TextField(splittedRect[0], minVal.ToString("F2")));
maxVal = float.Parse(GUI.TextField(splittedRect[2], maxVal.ToString("F2")));
Rect sliderRect = new Rect(splittedRect[0].x + 10, splittedRect[0].y, splittedRect[2].x - splittedRect[0].x - 15, splittedRect[0].height);
EditorGUI.MinMaxSlider(sliderRect, ref minVal, ref maxVal,
minMaxAttribute.min, minMaxAttribute.max);
if (minVal < minMaxAttribute.min)
{
minVal = minMaxAttribute.min;
}
if (maxVal > minMaxAttribute.max)
{
maxVal = minMaxAttribute.max;
}
vector = new Vector2(minVal > maxVal ? maxVal : minVal, maxVal);
if (EditorGUI.EndChangeCheck())
{
property.vector2Value = vector;
}
}
else if (propertyType == SerializedPropertyType.Vector2Int)
{
EditorGUI.BeginChangeCheck();
Vector2Int vector = property.vector2IntValue;
float minVal = vector.x;
float maxVal = vector.y;
minVal = EditorGUI.FloatField(splittedRect[0], minVal);
maxVal = EditorGUI.FloatField(splittedRect[2], maxVal);
EditorGUI.MinMaxSlider(splittedRect[1], ref minVal, ref maxVal,
minMaxAttribute.min, minMaxAttribute.max);
if (minVal < minMaxAttribute.min)
{
maxVal = minMaxAttribute.min;
}
if (minVal > minMaxAttribute.max)
{
maxVal = minMaxAttribute.max;
}
vector = new Vector2Int(Mathf.FloorToInt(minVal > maxVal ? maxVal : minVal), Mathf.FloorToInt(maxVal));
if (EditorGUI.EndChangeCheck())
{
property.vector2IntValue = vector;
}
}
}
Rect[] SplitRect(Rect rectToSplit, int n)
{
Rect[] rects = new Rect[n];
for (int i = 0; i < n; i++)
{
rects[i] = new Rect(rectToSplit.position.x + (i * rectToSplit.width / n), rectToSplit.position.y, rectToSplit.width / n, rectToSplit.height);
}
int padding = (int)rects[0].width - 40;
int space = 5;
rects[0].width -= padding + space;
rects[2].width -= padding + space;
rects[1].x -= padding;
rects[1].width += padding * 2;
rects[2].x += padding + space;
return rects;
}
}
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