9. Test changes

The game logic is now in place, and we can test if it is working correctly. Follow these steps to test the feature:

Step 1. Enable the player health bar.

Modify the OnScreenUI prefab by enabling the OnScreenUI > InGameScreens > InGameHud > HealthBar game object.

This will display a health bar in the top left corner to make it easier for you to see how the health of a player changes.

Step 2. Build your workers.

Select SpatialOS > Build For Local > UnityClient.

To fully test our changes, we will need to launch two clients so you can shoot yourself. We will launch one of these as a built-out client-worker.

If you are running your workers from within your Unity Editor a build is not necessary, however in a moment we will launch a built-out client-worker. Building the workers is therefore essential.

Step 3. Launch a local deployment.

From the Unity Editor menu, select SpatialOS > Local launch. This opens a terminal which notifies you when the deployment is up and running.

Alternatively you can enter Ctrl + L/Cmd + L in your Unity Editor.

Step 4. Launch a server-worker and client-worker in-editor.

With the FPS-Development Scene open in your Unity Editor, select the Unity Play button.

Step 5. Launch a built-out UnityClient worker-instance

From the Unity Editor menu, select SpatialOS > Launch standalone client.

This will launch an instance of your UnityClient in a separate window. This uses the built-out UnityClient worker, so make sure you have performed a "Build UnityClient for local" as in step 1.

Step 6. Use one client to shoot the other.

To see the effects of a health pack restoring a player's health you'll need to damage them first.

This may require some switching between the editor and your standalone client, but you should be able to steer one player entity to the other and shoot them a few times.

You can use the SpatialOS inspector to help you find where the two players are, and navigate them to the same location.

Step 7. Use the inspector to check the damage has been applied.

When a local deployment is running you can open the SpatialOS local inspector in your browser: http://localhost:21000/inspector/

By selecting the visual marker for an entity you can view its component values in the right-side panel, by expanding the Components section.

Component values can be found by expanding the namespace for that component. For Player health you can find this under the namespace fps > HealthComponent > health.

Step 8. Walk the damaged player over the health pack and check if it is consumed and applied.
Once again, you can use the SpatialOS inspector to guide you if you aren't quite sure where on the map the player and the health pack are in relation to each other.

Don't forget to check how much health the player has before walking through the health pack so you can compare the before and after!

When the injured player collides with the health pack it should become invisible on the client. You can also check in the SpatialOS inspector to see whether the HealthPickup component for the health pack entity now shows its IsActive property value as false.

Finally, using the SpatialOS inspector, check how much health the player has after walking through the health pack. The Player health component can be found under the namespace fps > HealthComponent > health.

You should also see the health pack reappear after a short time.

That's it! Well done, and welcome to the GDK!

We’d love to know what you think, and invite you to join our community on our forums, or on Discord.

Updated about a year ago

9. Test changes

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