OneNightDuel/ONDClient/GUI/PowerIndicator.cs

using GlobalClassLib;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace ONDClient.GUI;

public class PowerIndicator : TextUIElement {
    private string label;
    private ClientPlayer player;
    private int lastPowerValue;
    
    public PowerIndicator(Point corner1, SpriteFont font, ClientPlayer player, string label, Alignment alignment = Alignment.LEFT) : base(corner1, font, alignment, autoBounds:true) {
        this.player = player;
        this.label = label;
        lastPowerValue = player.state.power;
        Text = GetText();
    }

    public override void Update() {
        if (player.state.power == lastPowerValue) return;
        lastPowerValue = player.state.power;
        Text = GetText();
    }

    private string GetText() => $"{label}{(int)(((float)player.state.power / Power.MAX_POWER_VALUE) * 100)}";
}