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using UnityEngine;
using UnityEditor;
namespace Pathfinding.Util {
/// <summary>Some editor gui helper methods</summary>
public static class EditorGUILayoutHelper {
/// <summary>
/// Tag names and an additional 'Edit Tags...' entry.
/// Used for SingleTagField
/// </summary>
static GUIContent[] tagNamesAndEditTagsButton;
static int[] tagValues = new [] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, -1 };
/// <summary>
/// Last time tagNamesAndEditTagsButton was updated.
/// Uses EditorApplication.timeSinceStartup
/// </summary>
static double timeLastUpdatedTagNames;
static void FindTagNames () {
// Make sure the AstarPath object is initialized, this is required to be able to show tag names in the popup
AstarPath.FindAstarPath();
// Make sure the tagNamesAndEditTagsButton is relatively up to date
if (tagNamesAndEditTagsButton == null || EditorApplication.timeSinceStartup - timeLastUpdatedTagNames > 1) {
timeLastUpdatedTagNames = EditorApplication.timeSinceStartup;
tagNamesAndEditTagsButton = new GUIContent[GraphNode.MaxTagIndex + 2];
if (AstarPath.active != null) {
var tagNames = AstarPath.active.GetTagNames();
for (int i = 0; i <= GraphNode.MaxTagIndex; i++) {
if (AstarPath.active == null) tagNamesAndEditTagsButton[i] = new GUIContent("Tag " + i + (i == GraphNode.MaxTagIndex ? "+" : ""));
else {
var tagName = tagNames[i];
if (tagName != i.ToString()) {
tagNamesAndEditTagsButton[i] = new GUIContent(tagName + " (tag " + i + ")");
} else {
tagNamesAndEditTagsButton[i] = new GUIContent("Tag " + i);
}
}
}
} else {
for (int i = 0; i <= GraphNode.MaxTagIndex; i++) {
tagNamesAndEditTagsButton[i] = new GUIContent("Tag " + i + (i == GraphNode.MaxTagIndex ? "+" : ""));
}
}
tagNamesAndEditTagsButton[tagNamesAndEditTagsButton.Length-1] = new GUIContent("Edit Tags...");
}
}
public static int TagField (Rect rect, GUIContent label, int value, System.Action editCallback) {
FindTagNames();
// Tags are between 0 and GraphNode.MaxTagIndex
value = Mathf.Clamp(value, 0, GraphNode.MaxTagIndex);
var newValue = EditorGUI.IntPopup(rect, label, value, tagNamesAndEditTagsButton, tagValues);
// Last element corresponds to the 'Edit Tags...' entry. Open the tag editor
if (newValue == -1) {
editCallback();
} else {
value = newValue;
}
return value;
}
public static int TagField (GUIContent label, int value, System.Action editCallback) {
return TagField(GUILayoutUtility.GetRect(label, EditorStyles.popup), label, value, editCallback);
}
public static void TagField (Rect position, GUIContent label, SerializedProperty property, System.Action editCallback) {
FindTagNames();
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = property.hasMultipleDifferentValues;
property = property.FindPropertyRelative("value");
var newValue = EditorGUI.IntPopup(position, label, (int)property.intValue, tagNamesAndEditTagsButton, tagValues);
if (EditorGUI.EndChangeCheck() || property.intValue < 0 || property.intValue > GraphNode.MaxTagIndex) {
if (newValue == -1) {
editCallback();
} else {
property.intValue = Mathf.Clamp(newValue, 0, GraphNode.MaxTagIndex);
}
}
EditorGUI.showMixedValue = false;
}
}
}
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