public Change ApplyModifier(
ModificationParameter parameter,
float amount,
CharacterState sourceCharacter,
ISubSpellHandler subSpell = null,
bool applyChange = true)
{
// First - calculate an actual change of modifier
// using all spell amplification things, evasions and other stuff
var change = CalcChange(parameter, amount, sourceCharacter, subSpell);
#if DEBUG_COMBAT
_combatLog.Log(
$"<b>{gameObject.name}</b> received modifier <b>{parameter}</b> with amount <b>{amount}</b>. Actual change: <b>{change.Amount}</b>");
#endif
if (applyChange)
{
#if DEBUG
ModifierApplied?.Invoke(parameter, subSpell, change.Amount);
#endif
// Apply an actual change
ApplyChange(change);
}
return(change);
}
private void CharacterStateOnOnModifierApplied(ModificationParameter parameter, ISubSpellHandler spell, float actualChange)
{
var spellName = String.Empty;
if (spell != null)
{
spellName = spell.Spell.name;
}
_modLog.Push($"{spellName} <color=yellow>{parameter}</color>: {actualChange:0.##}");
foreach (var line in _modLog.Reverse())
{
_stringBuilder2.AppendLine(line);
}
Text2.text = _stringBuilder2.ToString();
_stringBuilder2.Clear();
}
private Change CalcChange(ModificationParameter parameter,
float amount,
CharacterState sourceCharacter,
ISubSpellHandler subSpell)
{
// Zero-change
if (parameter == ModificationParameter.None || Mathf.Abs(amount) < 1e-6)
{
return new Change
{
Parameter = ModificationParameter.None,
Amount = 0
}
}
;
if (parameter == ModificationParameter.HpFlat || parameter == ModificationParameter.HpMult)
{
var targetHp = _hp;
if (parameter == ModificationParameter.HpFlat)
{
targetHp += amount;
}
if (parameter == ModificationParameter.HpMult)
{
targetHp *= amount;
}
targetHp = Mathf.Min(targetHp, MaxHealth);
var delta = targetHp - _hp;
// If taking damage
if (delta < 0)
{
// If the damage comes from spell, amplify it buy character source damage multiplier
if (subSpell != null && sourceCharacter != null)
{
// Damage amplification
delta *= sourceCharacter.SpellDamageMultiplier;
#if DEBUG_COMBAT
_combatLog.Log(
$"Receiving in total <b>{-delta}</b> spell multiplied ({100 * sourceCharacter.SpellDamageMultiplier}%) damage from <b>{sourceCharacter.name}</b> " +
$"from spell <b>{subSpell.Spell.name}</b>");
#endif
// Lifesteal
// TODO: Shouldn't we apply lifesteal afterwards?
var lifeStealFactor = subSpell.Spell.LifeSteal.GetValue(subSpell.Stacks);
var hpStolen = -delta * lifeStealFactor;
if (hpStolen > 0)
{
#if DEBUG_COMBAT
_combatLog.Log(
$"Returning <b>{hpStolen}</b> hp back to <b>{sourceCharacter.name}</b> " +
$"because spell <b>{subSpell.Spell.name}</b> has <b>{100 * lifeStealFactor}%</b> lifesteal");
#endif
sourceCharacter.ApplyModifier(ModificationParameter.HpFlat,
hpStolen,
this,
subSpell);
}
}
}
// Notice that we are returning HpFlat even if the original modifier was HpMult.
// Because there was some additional modifer applied to damage (if any)
return(new Change
{
Parameter = ModificationParameter.HpFlat,
Amount = delta
});
}
switch (parameter)
{
case ModificationParameter.CritChanceFlat:
case ModificationParameter.EvasionChanceFlat:
return(new Change
{
Parameter = parameter,
Amount = 1 - amount
});
}
// Default change computation for stats like speed and other relatively simple stats
return(new Change
{
Parameter = parameter,
Amount = amount
});
}