+ astar project

1 files changed, 101 insertions, 0 deletions

diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/EditorResourceHelper.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/EditorResourceHelper.cs
new file mode 100644
index 0000000..4dd61d9
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/PackageTools/EditorResourceHelper.cs
@@ -0,0 +1,101 @@
+namespace Pathfinding {
+#if UNITY_EDITOR
+	using UnityEditor;
+	using UnityEngine;
+	using System.Collections.Generic;
+
+	/// <summary>Internal utility class for looking up editor resources</summary>
+	public static class EditorResourceHelper {
+		/// <summary>
+		/// Path to the editor assets folder for the A* Pathfinding Project. If this path turns out to be incorrect, the script will try to find the correct path
+		/// See: LoadStyles
+		/// </summary>
+		public static string editorAssets;
+
+		static EditorResourceHelper () {
+			// Look up editor assets directory when first accessed
+			LocateEditorAssets();
+		}
+
+		static Material surfaceMat, lineMat;
+		static Texture2D handlesAALineTex;
+		public static Material GizmoSurfaceMaterial {
+			get {
+				if (!surfaceMat) surfaceMat = Resources.Load<Material>("aline_surface");
+				return surfaceMat;
+			}
+		}
+
+		public static Material GizmoLineMaterial {
+			get {
+				if (!lineMat) lineMat = Resources.Load<Material>("aline_outline");
+				return lineMat;
+			}
+		}
+
+		public static Texture2D HandlesAALineTexture {
+			get {
+				if (!handlesAALineTex) handlesAALineTex = Resources.Load<Texture2D>("handles_aaline");
+				return handlesAALineTex;
+			}
+		}
+
+
+		/// <summary>Locates the editor assets folder in case the user has moved it</summary>
+		public static bool LocateEditorAssets () {
+			var package = UnityEditor.PackageManager.PackageInfo.FindForAssembly(typeof(EditorResourceHelper).Assembly);
+
+			if (package != null) {
+				editorAssets = package.assetPath + "/Editor/EditorAssets";
+				if (System.IO.File.Exists(package.resolvedPath + "/Editor/EditorAssets/AstarEditorSkinLight.guiskin")) {
+					return true;
+				} else {
+					Debug.LogError("Could not find editor assets folder in package at " + editorAssets + ". Is the package corrupt?");
+					return false;
+				}
+			}
+
+			string projectPath = Application.dataPath;
+
+			if (projectPath.EndsWith("/Assets")) {
+				projectPath = projectPath.Remove(projectPath.Length-("Assets".Length));
+			}
+
+			editorAssets = "Assets/AstarPathfindingProject/Editor/EditorAssets";
+			if (!System.IO.File.Exists(projectPath + editorAssets + "/AstarEditorSkinLight.guiskin") && !System.IO.File.Exists(projectPath + editorAssets + "/AstarEditorSkin.guiskin")) {
+				//Initiate search
+
+				var sdir = new System.IO.DirectoryInfo(Application.dataPath);
+
+				var dirQueue = new Queue<System.IO.DirectoryInfo>();
+				dirQueue.Enqueue(sdir);
+
+				while (dirQueue.Count > 0) {
+					System.IO.DirectoryInfo dir = dirQueue.Dequeue();
+					if (System.IO.File.Exists(dir.FullName + "/AstarEditorSkinLight.guiskin") || System.IO.File.Exists(dir.FullName + "/AstarEditorSkin.guiskin")) {
+						// Handle windows file paths
+						string path = dir.FullName.Replace('\\', '/');
+						// Remove data path from string to make it relative
+						path = path.Replace(projectPath, "");
+
+						if (path.StartsWith("/")) {
+							path = path.Remove(0, 1);
+						}
+
+						editorAssets = path;
+						return true;
+					}
+					var dirs = dir.GetDirectories();
+					for (int i = 0; i < dirs.Length; i++) {
+						dirQueue.Enqueue(dirs[i]);
+					}
+				}
+
+				Debug.LogWarning("Could not locate editor assets folder. Make sure you have imported the package correctly.\nA* Pathfinding Project");
+				return false;
+			}
+			return true;
+		}
+	}
+#endif
+}