status/CurseAimDir.cs
using System;
using System.Collections.Generic;
using System.Linq;
using Sandbox;

[Status(4, 0, 0.5f, 0, true)]
public class CurseAimDir : Status
{
	public CurseAimDir()
    {
		Title = "Random Aim";
		IconPath = "textures/icons/curse_shoot_random_dir.png";
	}

	public override void Init(Player player)
	{
		base.Init(player);
	}

	public override void Refresh()
    {
		Description = GetDescription(Level);

		Player.Modify(this, PlayerStat.ShootRandomDirChance, GetChanceForLevel(Level), ModifierType.Add);
	}

	public override string GetDescription( int newLevel )
	{
		return string.Format( "{0}% chance to shoot in a random direction", GetPercentForLevel( Level ) );
	}

	public override string GetUpgradeDescription( int newLevel )
	{
		return newLevel > 1 ? string.Format( "{0}%→{1}% chance to shoot in a random direction", GetPercentForLevel( newLevel - 1 ), GetPercentForLevel( newLevel ) ) : GetDescription( newLevel );
	}

	public float GetChanceForLevel( int level )
	{
		return 0.25f * level;
	}

	public float GetPercentForLevel( int level )
	{
		return 25 * level;
	}
}