Merge pull request #15 from AnnulusGames/add-trygetentity

Add: TryGetEntity

Author: nuskey8

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

@@ -122,6 +122,18 @@ public static EntityReference Convert(GameObject gameObject, World world, Entity
             return entityReference;
         }
 
+        public static bool TryGetEntity(GameObject gameObject, out EntityReference entity)
+        {
+            if (gameObject.TryGetComponent<SyncWithEntity>(out var syncWithEntity))
+            {
+                entity = syncWithEntity.EntityReference;
+                return true;
+            }
+
+            entity = default;
+            return false;
+        }
+
         public static World DefaultWorld { get; set; }
     }
 }

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

@@ -23,6 +23,21 @@ void OnConvert(EntityReference entity, World world)
             EntityConversion.OnConvert -= OnConvert;
 
             Assert.IsTrue(converted);
+
+            Object.Destroy(obj);
+        }
+
+        [Test]
+        public void Test_TryGetEntity()
+        {
+            var obj = new GameObject("Target");
+            var entityA = EntityConversion.Convert(obj, new EntityConversionOptions() { ConversionMode = ConversionMode.SyncWithEntity });
+            var result = EntityConversion.TryGetEntity(obj, out var entityB);
+
+            Assert.IsTrue(result);
+            Assert.That(entityA, Is.EqualTo(entityB));
+
+            Object.Destroy(obj);
         }
     }
 }