Executing JSON Methods of the Activity

This explains how to execute methods of a Component class defined in ActivityScene.json (within the activity folder) from a Component class defined in Scene.json.

Info

SDK Version : 13.7
OS : Windows 11
Unity : 2022.3.6f1
Browser : Google Chrome

Details

Consider the scenario illustrated below:

• From ComponentA, you want to execute the Hoge method of ComponentB.
  • You cannot directly reference the component of a sub-scene (indicated by the red line in the figure).
    • However, if they are within the same environment, you can use system.Item_GetComponent or similar methods to obtain a reference.
  • Therefore, you need to execute it through an item.

Steps

1. Obtain the Item that Contains ComponentB

If you have the item, even if it is in a sub-scene, you can refer to it using hsItemGet as long as it’s an Item (not a Component).

Info

For example, hsItemGet("ActivityItem/ItemB") uses a hierarchical path (Activity-type item name)/(Name of the target in the sub-scene).
This works because the activity-type item includes the sub-scene.

2. Use the Retrieved Item to Execute the Method Directly

• For example: csharp itmB.CallComponentMethod("ComponentB", "Hoge", "HogeParam");
  • Since this is CallComponentMethod, the Hoge method must have a single string parameter and return void.