Unreal PixelStreaming Support

[sebjf]

Description

PlanBase should support using Unreal PixelStreaming as the viewer backend, instead of the embedded Unity viewer.

Goals

• The viewer backend can be toggled between Unreal and Unity with a member of UnityUtil
• The user receives feedback as to the state of connection to the Unreal Viewer
• Once loaded the Unreal viewer behaves identically to the Unity viewer

Tasks

• Update viewer to utilise new pixel streaming viewer from .io 2662

Resources

See also 3drepo/3drepo.io#2650
See also https://github.com/3drepo/3drepoUnreal/issues/40.

Configuration

PlanBase with PixelsStreaming is configured in 4.json. To load this navigate to, e.g., http://localhost:8080/?id=4.