public void Update(long currentTime)
{
MobStatValue endFlag = 0;
BuffPhysicalDamage.TryReset(currentTime, ref endFlag);
BuffPhysicalDefense.TryReset(currentTime, ref endFlag);
BuffMagicDamage.TryReset(currentTime, ref endFlag);
BuffMagicDefense.TryReset(currentTime, ref endFlag);
BuffAccurrency.TryReset(currentTime, ref endFlag);
BuffEvasion.TryReset(currentTime, ref endFlag);
BuffSpeed.TryReset(currentTime, ref endFlag);
BuffStun.TryReset(currentTime, ref endFlag);
BuffFreeze.TryReset(currentTime, ref endFlag);
BuffPoison.TryReset(currentTime, ref endFlag);
BuffSeal.TryReset(currentTime, ref endFlag);
BuffDarkness.TryReset(currentTime, ref endFlag);
BuffPowerUp.TryReset(currentTime, ref endFlag);
BuffMagicUp.TryReset(currentTime, ref endFlag);
BuffPowerGuardUp.TryReset(currentTime, ref endFlag);
BuffMagicGuardUp.TryReset(currentTime, ref endFlag);
BuffPhysicalImmune.TryReset(currentTime, ref endFlag);
BuffMagicImmune.TryReset(currentTime, ref endFlag);
BuffDoom.TryReset(currentTime, ref endFlag);
BuffWeb.TryReset(currentTime, ref endFlag);
BuffHardSkin.TryReset(currentTime, ref endFlag);
BuffAmbush.TryReset(currentTime, ref endFlag);
BuffVenom.TryReset(currentTime, ref endFlag);
BuffBlind.TryReset(currentTime, ref endFlag);
BuffSealSkill.TryReset(currentTime, ref endFlag);
if (endFlag > 0)
{
MobPacket.SendMobStatsTempReset(Mob, endFlag);
}
}
public static void HandleUseSkill(Character chr, Packet packet)
{
if (chr.PrimaryStats.HP == 0)
{
// We don't like zombies
InventoryPacket.NoChange(chr);
return;
}
var field = chr.Field;
var SkillID = packet.ReadInt();
var SkillLevel = packet.ReadByte();
if (SkillID == Constants.Priest.Skills.MysticDoor && MasterThread.CurrentTime - chr.tLastDoor < 3000)
{
//hack fix for door dc bug
InventoryPacket.NoChange(chr);
return;
}
if (!chr.Skills.Skills.ContainsKey(SkillID) ||
SkillLevel < 1 ||
SkillLevel > chr.Skills.Skills[SkillID])
{
Program.MainForm.LogAppend("Player {0} tried to use a skill without having it.", chr.ID);
ReportManager.FileNewReport("Player {0} tried to use a skill without having it.", chr.ID, 0);
chr.Player.Socket.Disconnect();
return;
}
var isGMHideSkill = SkillID == Constants.Gm.Skills.Hide;
// Prevent sending the hide enable/disable packet to others
if (isGMHideSkill)
{
chr.SetHide(chr.GMHideEnabled == false, false);
if (chr.GMHideEnabled == false)
{
StopSkill(chr, SkillID);
}
}
else if (SkillID != Constants.Cleric.Skills.Heal ||
chr.Inventory.GetEquippedItemId((short)Constants.EquipSlots.Slots.Weapon, false) == 0)
{
// If you are using Heal, and are not using a wand/weapon, it won't show anything.
MapPacket.SendPlayerSkillAnim(chr, SkillID, SkillLevel);
}
var sld = DataProvider.Skills[SkillID].Levels[SkillLevel];
if (SkillID == (int)Constants.Spearman.Skills.HyperBody && !chr.PrimaryStats.HasBuff((int)Constants.Spearman.Skills.HyperBody)) // Buff already exists, do not execute bonus again. Allow multiple casts for duration refresh
{
var hpmpBonus = (short)((double)chr.PrimaryStats.MaxHP * ((double)sld.XValue / 100.0d));
chr.PrimaryStats.BuffBonuses.MaxHP = hpmpBonus;
hpmpBonus = (short)((double)chr.PrimaryStats.MaxMP * ((double)sld.YValue / 100.0d));
chr.PrimaryStats.BuffBonuses.MaxMP = hpmpBonus;
}
short skillDelay = 0;
IEnumerable <Character> getCharactersForPartyBuff(byte Flags, bool deadPlayersToo = false)
{
if (chr.PartyID == 0)
{
yield break;
}
if (PartyData.Parties.TryGetValue(chr.PartyID, out var party))
{
for (var i = 5; i >= 0; i--)
{
if ((Flags >> (5 - i) & 1) == 0)
{
continue;
}
var charid = party.Members[i];
if (charid == 0)
{
continue;
}
var affected = Server.Instance.GetCharacter(charid);
if (affected != null && chr.MapID == affected.MapID &&
(deadPlayersToo || affected.PrimaryStats.HP > 0))
{
yield return(affected);
}
}
}
}
void handlePartyEffects(byte Flags, short Delay, bool deadPlayersToo = false, Action <Character> additionalEffects = null)
{
handlePartyEffectsWithPlayers(getCharactersForPartyBuff(Flags, deadPlayersToo), Delay, additionalEffects);
}
void handlePartyEffectsWithPlayers(IEnumerable <Character> characters, short Delay, Action <Character> additionalEffects = null)
{
foreach (var character in characters)
{
if (character == chr)
{
continue;
}
if (!computerSaysYes())
{
continue;
}
MapPacket.SendPlayerSkillAnimThirdParty(character, SkillID, SkillLevel, true, true);
MapPacket.SendPlayerSkillAnimThirdParty(character, SkillID, SkillLevel, true, false);
additionalEffects?.Invoke(character);
}
}
// Runs func() for each mob inside the packet that:
// - is not a boss (when isBossable is false)
// - effect chance was a success
void handleMobStatEffects(bool isBossable, Action <Mob, short> func)
{
var mobCount = packet.ReadByte();
var mobs = new List <Mob>(mobCount);
for (var i = 0; i < mobCount; i++)
{
var mobId = packet.ReadInt();
var mob = field.GetMob(mobId);
if (mob == null)
{
continue;
}
if (chr.AssertForHack(mob.IsBoss && !isBossable, "Tried hitting boss with non-boss skill", false))
{
continue;
}
if (computerSaysYes())
{
mobs.Add(mob);
}
}
var delay = packet.ReadShort();
mobs.ForEach(x => func(x, delay));
}
IEnumerable <Character> getFullMapPlayersForGMSkill()
{
return(field.Characters.Where(victim =>
{
if (victim == chr)
{
return false;
}
if (chr.GMHideEnabled && victim.GMHideEnabled == false)
{
return false;
}
// Only Admins can buff other regular people
if (chr.IsGM && !chr.IsAdmin && !victim.IsGM)
{
return false;
}
return true;
}));
}
bool computerSaysYes()
{
var chance = sld.Property;
if (chance == 0)
{
chance = 100;
}
return(!(Rand32.Next() % 100 >= chance));
}
//TODO refactor copy-pasted "nearest 6 mobs" logic
switch (SkillID)
{
case Constants.Assassin.Skills.Haste:
case Constants.Bandit.Skills.Haste:
case Constants.Cleric.Skills.Bless:
case Constants.Spearman.Skills.IronWill:
case Constants.Fighter.Skills.Rage:
case Constants.FPWizard.Skills.Meditation:
case Constants.ILWizard.Skills.Meditation:
case Constants.Hermit.Skills.MesoUp:
{
var Flags = packet.ReadByte();
var Delay = packet.ReadShort();
handlePartyEffects(Flags, Delay, false, victim =>
{
victim.Buffs.AddBuff(SkillID, SkillLevel);
});
break;
}
case Constants.Spearman.Skills.HyperBody:
{
var Flags = packet.ReadByte();
var Delay = packet.ReadShort();
handlePartyEffects(Flags, Delay, false, victim =>
{
if (!victim.PrimaryStats.HasBuff((int)Constants.Spearman.Skills.HyperBody)) // Buff already exists, do not execute bonus again. Allow multiple casts for duration refresh
{
var hpmpBonus = (short)((double)victim.PrimaryStats.MaxHP * ((double)sld.XValue / 100.0d));
victim.PrimaryStats.BuffBonuses.MaxHP = hpmpBonus;
hpmpBonus = (short)((double)victim.PrimaryStats.MaxMP * ((double)sld.YValue / 100.0d));
victim.PrimaryStats.BuffBonuses.MaxMP = hpmpBonus;
}
victim.Buffs.AddBuff(SkillID, SkillLevel);
});
break;
}
case Constants.Cleric.Skills.Heal:
{
var Flags = packet.ReadByte();
var Delay = packet.ReadShort();
var members = getCharactersForPartyBuff(Flags, false);
var count = members.Count();
double healRate = 0;
if (sld.HPProperty > 0)
{
int chrInt = chr.PrimaryStats.getTotalInt();
int chrLuk = chr.PrimaryStats.getTotalLuk();
var rate = (chrInt * 0.8) + Rand32.Next() % (chrInt * 0.2);
healRate = (((rate * 1.5 + chrLuk) * (chr.PrimaryStats.getTotalMagicAttack() + chr.PrimaryStats.BuffMagicAttack.N) * 0.01) * (count * 0.3 + 1.0) * sld.HPProperty * 0.01);
}
var bigHeal = Math.Min(((long)healRate / (count == 0 ? 1 : count)), short.MaxValue); //prevent integer overflow caused by high stats. Set count to 1 when not in party
var heal = (short)bigHeal;
chr.ModifyHP((short)Math.Min(heal, (chr.PrimaryStats.GetMaxHP() - chr.PrimaryStats.HP)));
handlePartyEffectsWithPlayers(members, Delay, victim =>
{
int oldHP = victim.PrimaryStats.HP;
victim.ModifyHP((short)Math.Min(heal, (victim.PrimaryStats.GetMaxHP() - victim.PrimaryStats.HP)));
chr.AddEXP(20 * ((victim.PrimaryStats.HP - oldHP) / (8 * victim.Level + 190)), true);
});
break;
}
case Constants.Priest.Skills.Dispel:
{
var Flags = packet.ReadByte();
var Delay = packet.ReadShort();
if (computerSaysYes())
{
chr.Buffs.Dispell();
}
handlePartyEffects(Flags, Delay, false, victim =>
{
victim.Buffs.Dispell();
});
handleMobStatEffects(false, (mob, delay) =>
{
MobStatus.MobStatValue Flag = 0;
Flag |= mob.Status.BuffPowerUp.Reset();
Flag |= mob.Status.BuffMagicUp.Reset();
Flag |= mob.Status.BuffMagicGuardUp.Reset();
Flag |= mob.Status.BuffPowerGuardUp.Reset();
Flag |= mob.Status.BuffHardSkin.Reset();
MobPacket.SendMobStatsTempReset(mob, Flag);
});
break;
}
case Constants.Priest.Skills.HolySymbol:
{
var Flags = packet.ReadByte();
var Delay = packet.ReadShort();
handlePartyEffects(Flags, Delay, false, victim =>
{
victim.Buffs.AddBuff(SkillID, SkillLevel);
});
break;
}
// DOOR
case Constants.Priest.Skills.MysticDoor:
{
var x = packet.ReadShort();
var y = packet.ReadShort();
if (chr.DoorMapId != Constants.InvalidMap)
{
DataProvider.Maps[chr.DoorMapId].DoorPool.TryRemoveDoor(chr.ID);
}
chr.DoorMapId = chr.MapID;
field.DoorPool.CreateDoor(chr, x, y, MasterThread.CurrentTime + sld.BuffTime * 1000);
chr.tLastDoor = MasterThread.CurrentTime;
break;
}
// GM SKILLS
case Constants.Gm.Skills.Haste:
case Constants.Gm.Skills.HolySymbol:
case Constants.Gm.Skills.Bless:
{
getFullMapPlayersForGMSkill().ForEach(victim =>
{
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, true);
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, false);
victim.Buffs.AddBuff(SkillID, SkillLevel);
});
break;
}
case Constants.Gm.Skills.HealPlusDispell:
{
getFullMapPlayersForGMSkill().ForEach(victim =>
{
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, true);
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, false);
victim.ModifyHP(victim.PrimaryStats.GetMaxMP(false), true);
victim.ModifyMP(victim.PrimaryStats.GetMaxMP(false), true);
victim.Buffs.Dispell();
});
chr.ModifyHP(chr.PrimaryStats.GetMaxMP(false), true);
chr.ModifyMP(chr.PrimaryStats.GetMaxMP(false), true);
chr.Buffs.Dispell();
break;
}
case Constants.Gm.Skills.Resurrection:
{
getFullMapPlayersForGMSkill().ForEach(victim =>
{
if (victim.PrimaryStats.HP <= 0)
{
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, true);
MapPacket.SendPlayerSkillAnimThirdParty(victim, SkillID, SkillLevel, true, false);
victim.ModifyHP(victim.PrimaryStats.GetMaxHP(false), true);
}
});
break;
}
// MOB SKILLS
case Constants.Page.Skills.Threaten:
{
var buffTime = MasterThread.CurrentTime + (sld.BuffTime * 1000);
handleMobStatEffects(false, (mob, delay) =>
{
var stat = mob.Status.BuffPhysicalDamage.Set(
SkillID,
(short)-((mob.Data.PAD * SkillLevel) / 100),
buffTime + delay
);
stat |= mob.Status.BuffPhysicalDefense.Set(
SkillID,
(short)-((mob.Data.PDD * SkillLevel) / 100),
buffTime + delay
);
MobPacket.SendMobStatsTempSet(mob, delay, stat);
});
break;
}
case Constants.FPWizard.Skills.Slow:
case Constants.ILWizard.Skills.Slow:
{
var buffNValue = sld.XValue;
var buffTime = MasterThread.CurrentTime + (sld.BuffTime * 1000);
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempSet(mob, delay, mob.Status.BuffSpeed.Set(SkillID, buffNValue, buffTime + delay));
});
break;
}
case Constants.Gm.Skills.ItemExplosion:
{
field.DropPool.Clear(RewardLeaveType.Explode);
// TODO: Explode people and such
break;
}
case Constants.WhiteKnight.Skills.MagicCrash:
{
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempReset(mob, mob.Status.BuffMagicGuardUp.Reset());
});
break;
}
case Constants.DragonKnight.Skills.PowerCrash:
{
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempReset(mob, mob.Status.BuffPowerUp.Reset());
});
break;
}
case Constants.Crusader.Skills.ArmorCrash:
{
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempReset(mob, mob.Status.BuffPowerGuardUp.Reset());
});
break;
}
case Constants.ILMage.Skills.Seal:
case Constants.FPMage.Skills.Seal:
{
var buffTime = MasterThread.CurrentTime + (sld.BuffTime * 1000);
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempSet(mob, delay, mob.Status.BuffSeal.Set(SkillID, 1, buffTime + delay));
});
break;
}
case Constants.Hermit.Skills.ShadowWeb:
{
var buffTime = MasterThread.CurrentTime + (sld.BuffTime * 1000);
handleMobStatEffects(false, (mob, delay) =>
{
var stat = mob.Status.BuffWeb.Set(
SkillID,
(short)(mob.MaxHP / (50 - SkillLevel)),
buffTime + delay
);
MobPacket.SendMobStatsTempSet(mob, delay, stat);
});
break;
}
case Constants.Priest.Skills.Doom:
{
var buffTime = MasterThread.CurrentTime + (sld.BuffTime * 1000);
handleMobStatEffects(false, (mob, delay) =>
{
MobPacket.SendMobStatsTempSet(mob, delay, mob.Status.BuffDoom.Set(SkillID, 1, buffTime + delay));
});
break;
}
// SUMMONS
case Constants.Priest.Skills.SummonDragon:
case Constants.Ranger.Skills.SilverHawk:
case Constants.Sniper.Skills.GoldenEagle:
{
var X = packet.ReadShort();
var Y = packet.ReadShort();
var fh = field.GetFootholdUnderneath(X, Y, out var MaxY);
ushort fhid = 0;
fhid = fh?.ID ?? (ushort)chr.Foothold;
var bird = new Summon(chr, SkillID, SkillLevel, X, Y, true, fhid, MasterThread.CurrentTime + sld.BuffTime * 1000);
chr.Summons.SetSummon(bird);
break;
}
case Constants.Ranger.Skills.Puppet:
case Constants.Sniper.Skills.Puppet:
{
Program.MainForm.LogDebug(packet.ToString());
var X = packet.ReadShort();
var Y = packet.ReadShort();
var fh = field.GetFootholdUnderneath(X, Y, out var MaxY);
var floor = field.FindFloor(new Pos(X, Y));
ushort fhid = 0;
fhid = fh?.ID ?? (ushort)chr.Foothold;
var puppet = new Puppet(chr, SkillID, SkillLevel, floor.X, floor.Y, false, fhid, MasterThread.CurrentTime + sld.BuffTime * 1000, sld.XValue);
chr.Summons.SetSummon(puppet);
break;
}
}
if (packet.Length == packet.Position + 2)
{
// Read the delay...
skillDelay = packet.ReadShort();
}
// Handle regular skill stuff
if (!isGMHideSkill || chr.GMHideEnabled)
{
chr.Buffs.AddBuff(SkillID, SkillLevel, skillDelay);
}
InventoryPacket.NoChange(chr);
chr.Skills.DoSkillCost(SkillID, SkillLevel);
if (sld.Speed > 0)
{
MapPacket.SendAvatarModified(chr, MapPacket.AvatarModFlag.Speed);
}
}
