void OnCampaignStateChange(CampaignState newCampaignState)
{
UpdateHealthDisplay(newCampaignState.player.CurrentHealth);
UpdateInventoryDisplay(newCampaignState.inventory);
depthText.text = newCampaignState.depth.ToString();
depthNameText.text = DataRetriever.GetDepthName(newCampaignState.depth);
}