context - Access to state and parameters available during world rendering.
hitResult - The game object currently under the crosshair target.
Normally equivalent to MinecraftClient.crosshairTarget. Provided for convenience.
Returns:
true if vanilla block outline rendering should happen.
Returning false prevents WorldRenderEvents.BLOCK_OUTLINE from invoking
and also skips the vanilla block outline render, but has no effect on other subscribers to this event.