private static float GetRerollResult(RollResult baseResult, int off, int def, int roll, SaveIncrease saveBoost, SaveIncrease monsterSaveBoost, ref float maxMiss, ref float minCrit)
{
if (monsterSaveBoost.HasFlag(SaveIncrease.AURA_OF_MISFORTUNE))
{
float result = 0;
for (int i = 1; i <= 20; i++)
{
result += GetRollResult(Math.Min(i, roll), off, def, saveBoost, SaveIncrease.NONE, ref maxMiss, ref minCrit);
}
return(result / 20f);
}
if (baseResult < RollResult.SUCCESS && maxMiss < roll)
{
maxMiss = roll;
}
if (baseResult > RollResult.SUCCESS && minCrit > roll)
{
minCrit = roll;
}
float total = 0;
if ((saveBoost.HasFlag(SaveIncrease.REROLL_FAILURE_PLUS_2) || saveBoost.HasFlag(SaveIncrease.REROLL_FAILURE)) && baseResult == RollResult.FAIL)
{
total = RollSimpleSave(baseResult, off + (saveBoost.HasFlag(SaveIncrease.REROLL_FAILURE_PLUS_2) ? 2 : 0), def, saveBoost, (int)RollResult.FAIL);
return(((int)baseResult * 3 + (total / 20)) / 4);
}
if ((saveBoost.HasFlag(SaveIncrease.REROLL_CRITICAL_FAILURE_PLUS_2) || saveBoost.HasFlag(SaveIncrease.REROLL_CRITICAL_FAILURE)) && baseResult == RollResult.CRIT_FAIL)
{
total = RollSimpleSave(baseResult, off + (saveBoost.HasFlag(SaveIncrease.REROLL_CRITICAL_FAILURE_PLUS_2) ? 2 : 0), def, saveBoost);
return(((int)baseResult * 3 + (total / 20)) / 4);
}
if (saveBoost.HasFlag(SaveIncrease.DISADVANTAGE) && baseResult == RollResult.SUCCESS)
{
total = RollSimpleSave(baseResult, off, def, saveBoost, (int)RollResult.CRIT_FAIL, (int)baseResult);
return(Math.Min(total, (int)baseResult));
}
return((int)baseResult);
}
private static float RollSimpleSave(RollResult baseResult, int off, int def, SaveIncrease saveBoost, int minimumResult = 0, int maximumResult = 3)
{
float total = 0;
for (int i = 1; i <= 20; i++)
{
if (i == 1)
{
if (saveBoost.HasFlag(SaveIncrease.CRIT_FAIL_IS_FAIL))
{
total += Math.Max(Math.Min((int)RollResult.FAIL, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.CRIT_FAIL, maximumResult), minimumResult);
}
continue;
}
if (i == 20)
{
if (off + i >= def)
{
total += Math.Max(Math.Min((int)RollResult.CRIT_SUCCESS, maximumResult), minimumResult);
}
else if (off + i >= def - 10)
{
if (saveBoost.HasFlag(SaveIncrease.SUCCESS_IS_CRIT_SUCCESS))
{
total += Math.Max(Math.Min((int)RollResult.CRIT_SUCCESS, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.SUCCESS, maximumResult), minimumResult);
}
}
else
{
if (saveBoost.HasFlag(SaveIncrease.FAIL_IS_SUCCESS))
{
total += Math.Max(Math.Min((int)RollResult.SUCCESS, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.FAIL, maximumResult), minimumResult);
}
}
continue;
}
if (off + i >= def) //save
{
if (off + i >= def + 10) //crit
{
total += Math.Max(Math.Min((int)RollResult.CRIT_SUCCESS, maximumResult), minimumResult);
}
else
{
if (saveBoost.HasFlag(SaveIncrease.SUCCESS_IS_CRIT_SUCCESS))
{
total += Math.Max(Math.Min((int)RollResult.CRIT_SUCCESS, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.SUCCESS, maximumResult), minimumResult);
}
}
}
else //fail
{
if (off + i <= def - 10)
{
if (saveBoost.HasFlag(SaveIncrease.CRIT_FAIL_IS_FAIL))
{
total += Math.Max(Math.Min((int)RollResult.FAIL, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.CRIT_FAIL, maximumResult), minimumResult);
}
}
else //crit
{
if (saveBoost.HasFlag(SaveIncrease.FAIL_IS_SUCCESS))
{
total += Math.Max(Math.Min((int)RollResult.SUCCESS, maximumResult), minimumResult);
}
else
{
total += Math.Max(Math.Min((int)RollResult.FAIL, maximumResult), minimumResult);
}
}
}
}
return(total);
}
private static float GetRollResult(int i, int off, int def, SaveIncrease saveBoost, SaveIncrease monsterSaveBoost, ref float maxMiss, ref float minCrit)
{
if (saveBoost.HasFlag(SaveIncrease.MINIMUM_10))
{
i = Math.Max(i, 10);
}
if (i == 1)
{
if (saveBoost.HasFlag(SaveIncrease.CRIT_FAIL_IS_FAIL))
{
return(GetRerollResult(RollResult.FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.CRIT_FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
if (i == 20 || (saveBoost.HasFlag(SaveIncrease.CRIT_ON_19) && i == 19))
{
if (off + i >= def)
{
return(GetRerollResult(RollResult.CRIT_SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else if (off + i >= def - 10 && i == 20)
{
if (saveBoost.HasFlag(SaveIncrease.SUCCESS_IS_CRIT_SUCCESS))
{
return(GetRerollResult(RollResult.CRIT_SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
else
{
if (saveBoost.HasFlag(SaveIncrease.FAIL_IS_SUCCESS))
{
return(GetRerollResult(RollResult.SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
}
if (off + i >= def) //save
{
if (off + i >= def + 10) //crit
{
return(GetRerollResult(RollResult.CRIT_SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
if (saveBoost.HasFlag(SaveIncrease.SUCCESS_IS_CRIT_SUCCESS))
{
return(GetRerollResult(RollResult.CRIT_SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
}
else //fail
{
if (off + i <= def - 10)
{
if (saveBoost.HasFlag(SaveIncrease.CRIT_FAIL_IS_FAIL))
{
return(GetRerollResult(RollResult.FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.CRIT_FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
else //crit
{
if (saveBoost.HasFlag(SaveIncrease.FAIL_IS_SUCCESS))
{
return(GetRerollResult(RollResult.SUCCESS, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
else
{
return(GetRerollResult(RollResult.FAIL, off, def, i, saveBoost, monsterSaveBoost, ref maxMiss, ref minCrit));
}
}
}
}
