Merge pull request #17 from AnnulusGames/add-trygetgameobject

Add: TryGetGameObject to EntityConversion

Author: nuskey8

src/Arch.Unity/Assets/Arch.Unity/Runtime/Conversion/EntityConversion.cs

@@ -134,6 +134,23 @@ public static bool TryGetEntity(GameObject gameObject, out EntityReference entit
             return false;
         }
 
+        public static bool TryGetGameObject(Entity entity, out GameObject gameObject)
+        {
+            return TryGetGameObject(entity, DefaultWorld, out gameObject);
+        }
+
+        public static bool TryGetGameObject(Entity entity, World world, out GameObject gameObject)
+        {
+            if (world.TryGet<GameObjectReference>(entity, out var reference))
+            {
+                gameObject = reference.GameObject;
+                return gameObject != null;
+            }
+
+            gameObject = default;
+            return false;
+        }
+
         public static World DefaultWorld { get; set; }
     }
 }

src/Arch.Unity/Assets/Arch.Unity/Tests/Runtime/ConversionTest.cs

@@ -39,5 +39,18 @@ public void Test_TryGetEntity()
 
             Object.Destroy(obj);
         }
+
+        [Test]
+        public void Test_TryGetGameObject()
+        {
+            var objA = new GameObject("Target");
+            var entity = EntityConversion.Convert(objA, new EntityConversionOptions() { ConversionMode = ConversionMode.SyncWithEntity });
+            var result = EntityConversion.TryGetGameObject(entity, out var objB);
+
+            Assert.IsTrue(result);
+            Assert.That(objA, Is.EqualTo(objB));
+
+            Object.Destroy(objA);
+        }
     }
 }