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Issue ID




UI Image doesn't appear in the Player when using a specific project



How to reproduce:
1. Open the uploaded project's Scene labeled "MainScene"
2. Enter the Play Mode
3. In the Game View, use the scroll wheel to change the weapon UI
4. Observe the behavior
5. Go to File->Build Settings
6. In the Build Settings Window, press the "Build And Run" button
7. In the Build, use the scroll wheel
8. Observe the behavior

Expected result: UI appears in the bottom-left corner when the weapon is switched
Actual result: UI doesn't appear for the switched weapon

Reproducible with: 2018.4.21f1, 2019.3.10f1, 2020.1.0b5, 2020.1.0a7
Couldn't test with: 2017.4.39f1 (Errors are thrown)

  1. Response avatar

    Resolution Note:

    Seems to be caused by order in which WeaponHUDManager and PlayerWeaponsManager are executed. Making WeaponHUDManager run first in script execution order settings fixes issue in player too.

    PlayerWeaponsManager in Start() calls AddWeapon() method which instantiates weapons and invokes onAddedWeapon UnityAction.

    Meanwhile, WeaponHUDManager in Start() registers its method responsible for UI to onAddedWeapon action. So if Start() in PlayerWeaponsManager is executed first, HUD’s UI method is not registered yet and so UI doesn’t get created.

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