Added export script for building packaged files

Author: ashblue

Assets/FluidBehaviorTree/Editor/ExportProject.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+
+namespace Adnc.FluidBT.Editor {
+    public class ExportProject {
+        [MenuItem("Export/Fluid Behavior Tree")]
+        static void BuildProject () {
+            var core = GetCoreFiles();
+            var examples = GetExampleFiles();
+            var path = EditorUtility.OpenFolderPanel("Select Output Location", "", "");
+            
+            AssetDatabase.ExportPackage(core.ToArray(), $"{path}/Fluid Behavior Tree.unitypackage");
+            AssetDatabase.ExportPackage(examples.ToArray(), $"{path}/Fluid Behavior Tree - Examples.unitypackage");
+        }
+
+        private static List<string> GetCoreFiles () {
+            return AssetDatabase
+                .FindAssets("", new[] {"Assets/FluidBehaviorTree"}).ToList()
+                .Select(AssetDatabase.GUIDToAssetPath)
+                .Where(file => {
+                    var invalidFolder = file.Contains("Assets/FluidBehaviorTree/Editor") ||
+                                        file.Contains("Assets/FluidBehaviorTree/Examples");
+
+                    if (invalidFolder) return false;
+
+                    return !file.Contains("Test.cs");
+                }).ToList();
+        }
+
+        private static List<string> GetExampleFiles () {
+            return AssetDatabase
+                .FindAssets("", new[] {"Assets/FluidBehaviorTree/Examples"}).ToList()
+                .Select(AssetDatabase.GUIDToAssetPath).ToList();
+        }
+    }
+}