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Rework buff duration formulas

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These are derived from the client

SE_IllusionPresistence will also set the duration to 10k tics like live
This commit is contained in:
Michael Cook (mackal)
2015-05-23 02:20:36 -04:00
parent 351e63ae72
commit 8aadc36320
16 changed files with 116 additions and 120 deletions
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zone/spells.cpp
+62 -67
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@@ -2630,80 +2630,75 @@ int Mob::CalcBuffDuration(Mob *caster, Mob *target, uint16 spell_id, int32 caste
Log.Out(Logs::Detail, Logs::Spells, "Spell %d: Casting level %d, formula %d, base_duration %d: result %d",
spell_id, castlevel, formula, duration, res);
return(res);
return res;
}
// the generic formula calculations
int CalcBuffDuration_formula(int level, int formula, int duration)
{
int i; // temp variable
int temp;
switch(formula)
{
case 0: // not a buff
return 0;
case 1:
i = (int)ceil(level / 2.0f);
return i < duration ? (i < 1 ? 1 : i) : duration;
case 2:
i = (int)ceil(level / 5.0f * 3);
return i < duration ? (i < 1 ? 1 : i) : duration;
case 3:
i = level * 30;
return i < duration ? (i < 1 ? 1 : i) : duration;
case 4: // only used by 'LowerElement'
return ((duration != 0) ? duration : 50);
case 5:
i = duration;
// 0 value results in a 3 tick spell, else its between 1-3 ticks.
return i < 3 ? (i < 1 ? 3 : i) : 3;
case 6:
i = (int)ceil(level / 2.0f);
return i < duration ? (i < 1 ? 1 : i) : duration;
case 7:
i = level;
return (duration == 0) ? (i < 1 ? 1 : i) : duration;
case 8:
i = level + 10;
return i < duration ? (i < 1 ? 1 : i) : duration;
case 9:
i = level * 2 + 10;
return i < duration ? (i < 1 ? 1 : i) : duration;
case 10:
i = level * 3 + 10;
return i < duration ? (i < 1 ? 1 : i) : duration;
case 11:
return std::min((level + 3) * 30, duration);
case 12:
case 13:
case 14:
case 15: // Don't know what the real formula for this should be. Used by Skinspikes potion.
return duration;
case 50: // Permanent. Cancelled by casting/combat for perm invis, non-lev zones for lev, curing poison/curse counters, etc.
return 72000; // 5 days until better method to make permanent
//case 51: // Permanent. Cancelled when out of range of aura. Placeholder until appropriate duration identified.
case 3600:
return duration ? duration : 3600;
default:
Log.Out(Logs::General, Logs::None, "CalcBuffDuration_formula: unknown formula %d", formula);
switch (formula) {
case 1:
temp = level > 3 ? level / 2 : 1;
break;
case 2:
temp = level > 3 ? level / 2 + 5 : 6;
break;
case 3:
temp = 30 * level;
break;
case 4: // only used by 'LowerElement'
temp = 50;
break;
case 5:
temp = 2;
break;
case 6:
temp = level / 2 + 2;
break;
case 7:
temp = level;
break;
case 8:
temp = level + 10;
break;
case 9:
temp = 2 * level + 10;
break;
case 10:
temp = 3 * level + 10;
break;
case 11:
temp = 30 * (level + 3);
break;
case 12:
temp = level > 7 ? level / 4 : 1;
break;
case 13:
temp = 4 * level + 10;
break;
case 14:
temp = 5 * (level + 2);
break;
case 15:
temp = 10 * (level + 10);
break;
case 50: // Permanent. Cancelled by casting/combat for perm invis, non-lev zones for lev, curing poison/curse
// counters, etc.
return -1;
case 51: // Permanent. Cancelled when out of range of aura.
return -4;
default:
// the client function has another bool parameter that if true returns -2 -- unsure
if (formula < 200)
return 0;
temp = formula;
break;
}
if (duration && duration < temp)
temp = duration;
return temp;
}
// helper function for AddBuff to determine stacking
@@ -3066,7 +3061,7 @@ int Mob::AddBuff(Mob *caster, uint16 spell_id, int duration, int32 level_overrid
if (duration == 0) {
duration = CalcBuffDuration(caster, this, spell_id);
if (caster)
if (caster && duration > 0) // negatives are perma buffs
duration = caster->GetActSpellDuration(spell_id, duration);
}