using System;
using System.Collections.Generic;
using System.Linq;
namespace Gibbed.Borderlands2.GameInfo
{
public static class Experience
{
private const float _Multiplier = 60.0f;
private const float _Power = 2.8f;
private const float _Offset = 7.33f;
private static int Compute(int level)
{
return (int)Math.Floor((Math.Pow(level, _Power) + _Offset) * _Multiplier);
}
private static readonly int _MinimumLevel;
private static readonly int _MaximumLevel;
private static readonly int _Reduction;
private static readonly KeyValuePair<int, int>[] _LevelsAndTheirRequiredPoints;
static Experience()
{
_MinimumLevel = 1;
_MaximumLevel = 50 + 11 + 11; // TODO: put this in a resource generated by datamining
_Reduction = Compute(_MinimumLevel);
_LevelsAndTheirRequiredPoints = Enumerable
.Range(1, _MaximumLevel)
.Select(l => new KeyValuePair<int, int>(l, GetPointsForLevel(l)))
.ToArray();
}
public static int GetPointsForLevel(int level)
{
if (level <= _MinimumLevel)
{
return 0;
}
return Compute(level) - _Reduction;
}
public static int GetLevelForPoints(int points)
{
if (points < 0)
{
return _MinimumLevel;
}
if (points >= _LevelsAndTheirRequiredPoints.Last().Value)
{
return _MaximumLevel;
}
return _LevelsAndTheirRequiredPoints
.First(lp => points < lp.Value)
.Key - 1;
}
}
}
