Serialize unity

Some of the built-in features of Unity automatically use serialization. These are outlined below. See the serialize unity on Script Serialization for further information.

Serialization is the automatic process of transforming data structures or GameObject states into a format that Unity can store and reconstruct later. How you organize data in your Unity project affects how Unity serializes that data, which can have a significant impact on the performance of your project. This page outlines serialization in Unity and how to optimize your project for it. Serializers in Unity are specifically designed to operate efficiently at runtime. Because of this, serialization in Unity behaves differently to serialization in other programming environments. Serializers in Unity work directly on the fields of your C classes rather than their properties, so there are rules that your fields must conform to to be serialized. The following section outlines how to use field serialization in Unity.

Serialize unity

Serialization is the automatic process of transforming data structures or object states into a format that Unity can store and reconstruct later. See documentation on Built-in serialization use for background details on all of these. How you organise data in your Unity project affects how Unity serializes that data and can have a significant impact on the performance of your project. Below is some guidance on serialization in Unity and how to optimize your project for it. Hot reloading is the process of creating or editing scripts while the Editor is open and applying the script behaviors immediately. You do not have to restart the game or Editor for changes to take effect. When you change and save a script, Unity hot reloads all the currently loaded script data. It first stores all serializable variables in all loaded scripts and, after loading the scripts, it restores them. All data that is not serializable is lost after a hot reload. Many of the features in the Unity Editor build on top of the core serialization system. Two things to be particularly aware of with serialization are the Inspector window , and hot reloading. If you use properties in your script, any of the property getters and setters are never called when you view or change values in the Inspector windows as Unity serializes the Inspector window fields directly. This means that: While the values of a field in the Inspector window represent script properties, changes to values in the Inspector window do not call any property getters and setters in your script. Serializers in Unity run in a real-time game environment. This has a significant impact on performance.

When you change a value in the Inspector, the Inspector updates serialize unity serialized data and triggers a deserialization that updates the inspected object.

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Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable. For some reason your suggested change could not be submitted. And thank you for taking the time to help us improve the quality of Unity Documentation. To enable serialization, apply the [Serializable] attribute.

Serialize unity

This includes data saved in your own script objects such as MonoBehaviour components and ScriptableObjects. Additionally, many of the features in the Unity Editor build on top of the core serialization system. To give you an understanding of how serialization works in Unity, the following sections provide a list of the built-in features of Unity that use serialization. Data saved in script objects in the form of MonoBehaviour components and ScriptableObjects are saved and loaded using serialization. This happen at runtime when running your game, but also at many other points in time, as is detailed below. It asks the object to serialize itself, and then displays this serialized data.

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Most serialization happens in the Editor, whereas deserialization is the focus at runtime. Serializers in Unity work directly on the fields of your C classes rather than their properties, so there are rules that your fields must conform to to be serialized. This happens both at runtime and in the Editor. When you change a value in the Inspector, the Inspector updates the serialized data and triggers a deserialization that updates the inspected object. It first stores all serializable variables in all loaded scripts and, after loading the scripts, it restores them. Script Serialization. Object -derived class to a field and Unity saves that field, Unity serializes the field as a reference to that instance. This affects all Editor windows and all MonoBehaviours in the project. Start instead of in the constructor. The Prefab instance only exists while you edit your project in the Unity Editor. Has a fieldtype that can be serialized See Simple field types that can be serialized , below.

Implemented in: UnityEngine.

This causes significant problems for backwards compatibility: It carries a high risk of error because it is too easy for data to get out of sync. In some cases, you specifically need to prevent private variables from being restored: For example, if you want a reference to be null after reloading from scripts. It runs after you load a Scene and checks for objects like textures that are no longer referenced and unloads them safely. Many of the features in the Unity Editor build on top of the core serialization system. Next, Unity runs the same serialization code in a different variant to report which other UnityEngine. The best approach is to implement the ISerializationCallbackReceiver interface in your class. If you use properties in your script, any of the property getters and setters are never called when you view or change values in the Inspector windows as Unity serializes the Inspector window fields directly. When fields reference something that is a UnityEngine. You would make a ScriptableObject derived class or another MonoBehaviour derived class, and reference that. Avoid nested, recursive structures where you reference other classes. Version: The layout of a serialized structure always needs to be the same; independent of the data and only dependent on what is exposed in the script. More info See in Glossary while the Editor is open and apply the script behaviors immediately.