public BaseStatsDictionary AddPercent(IProtoEntity source, StatName statName, double percent)
{
if (percent == 0)
{
return(this);
}
var multiplier = percent / 100d;
// simply sum multipliers (like values)
if (multiplier == 0)
{
return(this);
}
StatsSources.RegisterPercent(ref this.sources, source, statName, percent);
if (this.Multipliers.TryGetValue(statName, out var currentMultiplier))
{
// simply sum with existing value
multiplier += currentMultiplier;
}
else
{
// non-existing multiplier - add base multiplier (one)
multiplier += 1;
}
this.ValidateIsNotReadOnly();
this.Multipliers[statName] = multiplier;
return(this);
}
public void AddPercent(IProtoEntity source, StatName statName, double percent)
{
if (percent == 0d)
{
return;
}
var multiplier = percent / 100d;
if (this.IsMultipliersSummed)
{
// simply sum multipliers (like values)
if (multiplier == 0)
{
return;
}
StatsSources.RegisterPercent(ref this.sources, source, statName, percent);
if (this.Multipliers.TryGetValue(statName, out var currentMultiplier))
{
// simply sum with existing value
multiplier += currentMultiplier;
}
else
{
// non-existing multiplier - add base multiplier (one)
multiplier += 1;
}
}
else
{
if (multiplier <= -1)
{
// -100% or lower - wow!
StatsSources.RegisterPercent(ref this.sources, source, statName, -100);
this.Multipliers[statName] = 0;
return;
}
StatsSources.RegisterPercent(ref this.sources, source, statName, percent);
multiplier += 1;
if (this.Multipliers.TryGetValue(statName, out var currentMultiplier))
{
// Simply multiply multipliers.
// We're doing this to avoid case when -50% + -50% = -100%
// as it could broke the game in some cases (like movement speed).
// But if percent is provided as -100%, then it will be converted to multiplier==0
// so we still can reset some stats to 0 by using percent effects.
if (currentMultiplier == 0d)
{
// early return - the final multiplier also will be 0 and nothing changes
return;
}
multiplier *= currentMultiplier;
}
}
this.ValidateIsNotReadOnly();
this.Multipliers[statName] = multiplier;
}