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README.md

BasicCoreUsage

This example shows the EngineSquared core loop, entity/component setup, scheduler registration, and shutdown handling.

What it shows

  • Create entities and attach components.
  • Register systems on the Startup, Update, and Shutdown schedulers.
  • Use a resource shared by systems.
  • Stop the loop when a condition is met.

The example uses a school scenario to make the flow easy to follow.

Run the example

From the repository root:

xmake f -c
xmake f --BasicCoreUsage=y -y
xmake run BasicCoreUsage

Expected output

The program logs:

[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Arrived at the school.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Arrived at the school.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Arrived at the school.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Monitoring the school activities.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Monitoring the school activities.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Going to a meeting.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Back from the meeting.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Monitoring the school activities.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Monitoring the school activities.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Pugo ]: Work time is over! Going home!
[xxxx-xx-xx xx:xx:xx.xxx] [info] [The A]: Leaving the school.
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Working...
[xxxx-xx-xx xx:xx:xx.xxx] [info] [Tom  ]: Work time is over! Going home!
[xxxx-xx-xx xx:xx:xx.xxx] [info] Everyone left the school. Shutting down the lights and locking the doors.