+ astar project

1 files changed, 88 insertions, 0 deletions

diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Editor/EditorHelpers.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Editor/EditorHelpers.cs
new file mode 100644
index 0000000..8d4fdbd
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Editor/EditorHelpers.cs
@@ -0,0 +1,88 @@
+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;
+		}
+	}
+}