52 lines
1.8 KiB
C#
52 lines
1.8 KiB
C#
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using UnityEditor;
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using UnityEngine;
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using Object = UnityEngine.Object;
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public class MaterialMinMaxDrawer : MaterialPropertyDrawer {
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private Vector2 _value;
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private readonly Vector2 _range;
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public MaterialMinMaxDrawer() {
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_value = new Vector2(0, 1);
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_range = new Vector2(0, 1);
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}
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public MaterialMinMaxDrawer(Vector2 value, Vector2 range) {
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_value = value;
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_range = range;
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}
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private static bool IsPropertyTypeSuitable(MaterialProperty prop) {
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return prop.type == MaterialProperty.PropType.Vector;
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}
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public override void OnGUI(Rect position, MaterialProperty prop, string label, MaterialEditor editor) {
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var guiContent = new GUIContent(label);
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OnGUI(position, prop, guiContent, editor);
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}
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public override void OnGUI(Rect position, MaterialProperty prop, GUIContent label, MaterialEditor editor) {
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if (!IsPropertyTypeSuitable(prop)) {
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EditorGUI.HelpBox(position, $"[MinMax] used on non-vector property \"{prop.name}\"", MessageType.Error);
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return;
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}
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using var changeScope = new EditorGUI.ChangeCheckScope();
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EditorGUILayout.Space(-18);
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_value = prop.vectorValue;
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EditorGUILayout.MinMaxSlider(label, ref _value.x, ref _value.y, _range.x, _range.y);
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if (changeScope.changed) {
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foreach (Object target in prop.targets) {
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if (!AssetDatabase.Contains(target)) {
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// Failsafe for non-asset materials - should never trigger.
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continue;
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}
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Undo.RecordObject(target, "Change Material MinMax");
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var material = (Material) target;
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material.SetVector(prop.name, _value);
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EditorUtility.SetDirty(material);
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}
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}
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}
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}
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