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https://github.com/azixMcAze/Unity-ExecutionOrder
A collection of attributes to control the execution order of your scripts in Unity from your source code.
https://github.com/azixMcAze/Unity-ExecutionOrder
execution-graph unity unity-scripts unity3d
Last synced: 3 months ago
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A collection of attributes to control the execution order of your scripts in Unity from your source code.
- Host: GitHub
- URL: https://github.com/azixMcAze/Unity-ExecutionOrder
- Owner: azixMcAze
- License: mit
- Created: 2017-10-14T18:51:21.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2017-11-18T18:29:10.000Z (about 7 years ago)
- Last Synced: 2024-10-30T00:04:36.577Z (3 months ago)
- Topics: execution-graph, unity, unity-scripts, unity3d
- Language: C#
- Homepage:
- Size: 61.5 KB
- Stars: 75
- Watchers: 3
- Forks: 15
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Unity Execution Order
A collection of attributes to control the execution order of your scripts in Unity from your source code.
## Use
Add one of these attribute to your script's class definition to change its script execution order :
- `[ExecutionOrder()]` : The script execution order is set to `order`
- `[ExecuteAfter([, orderIncrease = ])]` : The script execution order is set to a value greater than the one of the script `type`, ensuring that your script will be executed after this script. By default, the script execution order is increased by 10 but this can be changed by adding the `orderIncrease` argument.
- `[ExecuteBefore([, orderDecrease = ])]` : Same as `ExecuteAfter` except that the execution order will be lowered, ensuring that your script will be executed before this script.
A script can have multiple `ExecuteAfter` attributes and will be executed after all the scripts given in parameters. It is the same for the `ExecuteBefore` attibutes except it will be executed before all the scripts given in parameters.
A script can only have one type of these attributes and cannot mix the `ExecutionOrder`, `ExecuteAfter` and `ExecuteBefore` attributes.
Changing the execution order of a script with one of these attributes in the *Script Execution Order* inspector from Unity will have no effect. The order will be reset to the one defined by the attributes.
Changing a script execution order, either from the inspector or with an attribute, will cause a recompilation of the scripts.
## Example
```csharp
// Let's say that this script has an execution order of 50
// set from the Script Execution Order inspector in Unity
public class Script1 : MonoBehaviour {
void Start () {
Debug.Log("Second");
}
}
```
```csharp
// this script will have an execution order of 40 (50-10)
[ExecuteBefore(typeof(Script1))]
public class Script2 : MonoBehaviour {
void Start () {
Debug.Log("First");
}
}
```
```csharp
// this script will have an execution order of 100
[ExecutionOrder(100)]
public class Script3 : MonoBehaviour {
void Start () {
Debug.Log("Third");
}
}
```
```csharp
// this script will have an execution order of 120 (max(40+10, 100+20))
[ExecuteAfter(typeof(Script2)), ExecuteAfter(typeof(Script3), orderIncrease = 20)]
public class Script4 : MonoBehaviour {
void Start () {
Debug.Log("Fourth");
}
}
```
The resulting script execution orders in the inspector:
