121 lines
5.0 KiB
C#
121 lines
5.0 KiB
C#
///Credit brogan89
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///Sourced from - https://github.com/brogan89/MinMaxSlider
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using System;
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using UnityEditor;
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using UnityEditor.UI;
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namespace UnityEngine.UI.Extensions
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{
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[CustomEditor(typeof(MinMaxSlider), true)]
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[CanEditMultipleObjects]
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public class MinMaxSliderEditor : SelectableEditor
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{
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private SerializedProperty _customCamera;
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private SerializedProperty _sliderBounds;
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private SerializedProperty _minHandle;
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private SerializedProperty _maxHandle;
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private SerializedProperty _minText;
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private SerializedProperty _maxText;
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private SerializedProperty _textFormat;
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private SerializedProperty _middleGraphic;
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private SerializedProperty _minLimit;
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private SerializedProperty _maxLimit;
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private SerializedProperty _wholeNumbers;
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private SerializedProperty _minValue;
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private SerializedProperty _maxValue;
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private SerializedProperty _onValueChanged;
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private readonly GUIContent label = new GUIContent("Min Max Values");
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protected override void OnEnable()
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{
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base.OnEnable();
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_customCamera = serializedObject.FindProperty("customCamera");
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_sliderBounds = serializedObject.FindProperty("sliderBounds");
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_minHandle = serializedObject.FindProperty("minHandle");
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_maxHandle = serializedObject.FindProperty("maxHandle");
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_minText = serializedObject.FindProperty("minText");
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_maxText = serializedObject.FindProperty("maxText");
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_textFormat = serializedObject.FindProperty("textFormat");
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_middleGraphic = serializedObject.FindProperty("middleGraphic");
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_minLimit = serializedObject.FindProperty("minLimit");
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_maxLimit = serializedObject.FindProperty("maxLimit");
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_wholeNumbers = serializedObject.FindProperty("wholeNumbers");
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_minValue = serializedObject.FindProperty("minValue");
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_maxValue = serializedObject.FindProperty("maxValue");
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_onValueChanged = serializedObject.FindProperty("onValueChanged");
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}
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public override void OnInspectorGUI()
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{
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base.OnInspectorGUI();
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serializedObject.Update();
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float minLimitOld = _minLimit.floatValue;
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float maxLimitOld = _maxLimit.floatValue;
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float minValueOld = _minValue.floatValue;
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float maxValueOld = _maxValue.floatValue;
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EditorGUILayout.PropertyField(_customCamera);
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EditorGUILayout.PropertyField(_sliderBounds);
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EditorGUILayout.PropertyField(_minHandle);
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EditorGUILayout.PropertyField(_maxHandle);
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EditorGUILayout.PropertyField(_middleGraphic);
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EditorGUILayout.PropertyField(_minText);
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EditorGUILayout.PropertyField(_maxText);
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EditorGUILayout.PropertyField(_textFormat);
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EditorGUILayout.PropertyField(_minLimit);
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EditorGUILayout.PropertyField(_maxLimit);
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EditorGUILayout.PropertyField(_wholeNumbers);
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EditorGUILayout.PropertyField(_minValue);
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EditorGUILayout.PropertyField(_maxValue);
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float minValue = Mathf.Clamp(_minValue.floatValue, _minLimit.floatValue, _maxLimit.floatValue);
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float maxValue = Mathf.Clamp(_maxValue.floatValue, _minLimit.floatValue, _maxLimit.floatValue);
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EditorGUILayout.MinMaxSlider(label, ref minValue, ref maxValue, _minLimit.floatValue, _maxLimit.floatValue);
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bool anyValueChanged = !IsEqualFloat(minValueOld, minValue)
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|| !IsEqualFloat(maxValueOld, maxValue)
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|| !IsEqualFloat(minLimitOld, _minLimit.floatValue)
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|| !IsEqualFloat(maxLimitOld, _maxLimit.floatValue);
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if (anyValueChanged)
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{
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MinMaxSlider slider = (MinMaxSlider)target;
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// force limits to ints if whole numbers.
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// needed to do this here because it wouldn't set in component script for some reason
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if (slider.wholeNumbers)
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{
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_minLimit.floatValue = Mathf.RoundToInt(_minLimit.floatValue);
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_maxLimit.floatValue = Mathf.RoundToInt(_maxLimit.floatValue);
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}
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// set slider values
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slider.SetValues(minValue, maxValue, _minLimit.floatValue, _maxLimit.floatValue);
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}
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EditorGUILayout.Space();
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EditorGUILayout.PropertyField(_onValueChanged);
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serializedObject.ApplyModifiedProperties();
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}
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/// <summary>
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/// Returns true if floating point numbers are within 0.01f (close enough to be considered equal)
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/// </summary>
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/// <param name="a"></param>
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/// <param name="b"></param>
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/// <returns></returns>
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private static bool IsEqualFloat(float a, float b)
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{
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return Math.Abs(a - b) < 0.01f;
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}
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}
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} |