/// <summary> /// Called for a spell projectile to damage its target /// </summary> public void DamageTarget(Creature target, float damage, bool critical, bool critDefended, bool overpower) { var targetPlayer = target as Player; if (targetPlayer != null && targetPlayer.Invincible || target.IsDead) { return; } var sourceCreature = ProjectileSource as Creature; var sourcePlayer = ProjectileSource as Player; var amount = 0u; var percent = 0.0f; var heritageMod = 1.0f; var sneakAttackMod = 1.0f; var damageRatingMod = 1.0f; var damageResistRatingMod = 1.0f; WorldObject equippedCloak = null; // handle life projectiles for stamina / mana if (Spell.Category == SpellCategory.StaminaLowering) { percent = damage / target.Stamina.MaxValue; amount = (uint)-target.UpdateVitalDelta(target.Stamina, (int)-Math.Round(damage)); } else if (Spell.Category == SpellCategory.ManaLowering) { percent = damage / target.Mana.MaxValue; amount = (uint)-target.UpdateVitalDelta(target.Mana, (int)-Math.Round(damage)); } else { // for possibly applying sneak attack to magic projectiles, // only do this for health-damaging projectiles? if (sourcePlayer != null) { // TODO: use target direction vs. projectile position, instead of player position // could sneak attack be applied to void DoTs? sneakAttackMod = sourcePlayer.GetSneakAttackMod(target); //Console.WriteLine("Magic sneak attack: + sneakAttackMod); heritageMod = sourcePlayer.GetHeritageBonus(sourcePlayer.GetEquippedWand()) ? 1.05f : 1.0f; } // DR / DRR applies for magic too? var damageRating = sourceCreature?.GetDamageRating() ?? 0; damageRatingMod = Creature.AdditiveCombine(Creature.GetPositiveRatingMod(damageRating), heritageMod, sneakAttackMod); damageResistRatingMod = target.GetDamageResistRatingMod(CombatType.Magic); damage *= damageRatingMod * damageResistRatingMod; percent = damage / target.Health.MaxValue; //Console.WriteLine($"Damage rating: " + Creature.ModToRating(damageRatingMod)); equippedCloak = target.EquippedCloak; if (equippedCloak != null && Cloak.HasDamageProc(equippedCloak) && Cloak.RollProc(equippedCloak, percent)) { var reducedDamage = Cloak.GetReducedAmount(ProjectileSource, damage); Cloak.ShowMessage(target, ProjectileSource, damage, reducedDamage); damage = reducedDamage; percent = damage / target.Health.MaxValue; } amount = (uint)-target.UpdateVitalDelta(target.Health, (int)-Math.Round(damage)); target.DamageHistory.Add(ProjectileSource, Spell.DamageType, amount); //if (targetPlayer != null && targetPlayer.Fellowship != null) //targetPlayer.Fellowship.OnVitalUpdate(targetPlayer); } amount = (uint)Math.Round(damage); // full amount for debugging if (target.IsAlive) { string verb = null, plural = null; Strings.GetAttackVerb(Spell.DamageType, percent, ref verb, ref plural); var type = Spell.DamageType.GetName().ToLower(); var critMsg = critical ? "Critical hit! " : ""; var sneakMsg = sneakAttackMod > 1.0f ? "Sneak Attack! " : ""; var overpowerMsg = overpower ? "Overpower! " : ""; var nonHealth = Spell.Category == SpellCategory.StaminaLowering || Spell.Category == SpellCategory.ManaLowering; if (sourcePlayer != null) { var critProt = critDefended ? " Your critical hit was avoided with their augmentation!" : ""; var attackerMsg = $"{critMsg}{overpowerMsg}{sneakMsg}You {verb} {target.Name} for {amount} points with {Spell.Name}.{critProt}"; // could these crit / sneak attack? if (nonHealth) { var vital = Spell.Category == SpellCategory.StaminaLowering ? "stamina" : "mana"; attackerMsg = $"With {Spell.Name} you drain {amount} points of {vital} from {target.Name}."; } if (!sourcePlayer.SquelchManager.Squelches.Contains(target, ChatMessageType.Magic)) { sourcePlayer.Session.Network.EnqueueSend(new GameMessageSystemChat(attackerMsg, ChatMessageType.Magic)); } } if (targetPlayer != null) { var critProt = critDefended ? " Your augmentation allows you to avoid a critical hit!" : ""; var defenderMsg = $"{critMsg}{overpowerMsg}{sneakMsg}{ProjectileSource.Name} {plural} you for {amount} points with {Spell.Name}.{critProt}"; if (nonHealth) { var vital = Spell.Category == SpellCategory.StaminaLowering ? "stamina" : "mana"; defenderMsg = $"{ProjectileSource.Name} casts {Spell.Name} and drains {amount} points of your {vital}."; } if (!targetPlayer.SquelchManager.Squelches.Contains(ProjectileSource, ChatMessageType.Magic)) { targetPlayer.Session.Network.EnqueueSend(new GameMessageSystemChat(defenderMsg, ChatMessageType.Magic)); } if (sourceCreature != null) { targetPlayer.SetCurrentAttacker(sourceCreature); } } if (!nonHealth) { if (equippedCloak != null && Cloak.HasProcSpell(equippedCloak)) { Cloak.TryProcSpell(target, ProjectileSource, equippedCloak, percent); } target.EmoteManager.OnDamage(sourcePlayer); if (critical) { target.EmoteManager.OnReceiveCritical(sourcePlayer); } } } else { var lastDamager = ProjectileSource != null ? new DamageHistoryInfo(ProjectileSource) : null; target.OnDeath(lastDamager, Spell.DamageType, critical); target.Die(); } // show debug info if (sourceCreature != null && sourceCreature.DebugDamage.HasFlag(Creature.DebugDamageType.Attacker)) { ShowInfo(sourceCreature, heritageMod, sneakAttackMod, damageRatingMod, damageResistRatingMod, damage); } if (target.DebugDamage.HasFlag(Creature.DebugDamageType.Defender)) { ShowInfo(target, heritageMod, sneakAttackMod, damageRatingMod, damageResistRatingMod, damage); } }
/// <summary> /// Method used for handling player targeted spell casts /// </summary> public void CreatePlayerSpell(ObjectGuid guidTarget, uint spellId) { Player player = CurrentLandblock.GetObject(Guid) as Player; WorldObject target = CurrentLandblock.GetObject(guidTarget); TargetCategory targetCategory = TargetCategory.WorldObject; if (target == null) { target = GetWieldedItem(guidTarget); targetCategory = TargetCategory.Wielded; } if (target == null) { target = GetInventoryItem(guidTarget); targetCategory = TargetCategory.Inventory; } if (target == null) { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.TargetNotAcquired)); targetCategory = TargetCategory.UnDef; return; } SpellTable spellTable = DatManager.PortalDat.SpellTable; if (!spellTable.Spells.ContainsKey(spellId)) { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.MagicInvalidSpellType)); return; } SpellBase spell = spellTable.Spells[spellId]; if (IsInvalidTarget(spell, target)) { player.Session.Network.EnqueueSend(new GameEventCommunicationTransientString(player.Session, $"{spell.Name} cannot be cast on {target.Name}.")); player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.None)); return; } Database.Models.World.Spell spellStatMod = DatabaseManager.World.GetCachedSpell(spellId); if (spellStatMod == null) { player.Session.Network.EnqueueSend(new GameMessageSystemChat($"{spell.Name} spell not implemented, yet!", ChatMessageType.System)); player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.MagicInvalidSpellType)); return; } if (player.IsBusy == true) { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.YoureTooBusy)); return; } else { player.IsBusy = true; } uint targetEffect = spell.TargetEffect; // Grab player's skill level in the spell's Magic School var magicSkill = player.GetCreatureSkill(spell.School).Current; if (targetCategory == TargetCategory.WorldObject) { if (guidTarget != Guid) { float distanceTo = Location.Distance2D(target.Location); if (distanceTo > spell.BaseRangeConstant + magicSkill * spell.BaseRangeMod) { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.MagicTargetOutOfRange), new GameMessageSystemChat($"{target.Name} is out of range!", ChatMessageType.Magic)); player.IsBusy = false; return; } } } // Ensure that a harmful spell isn't being cast on a player target that doesn't have the same PK status if (target.WeenieClassId == 1 && player.PlayerKillerStatus != ACE.Entity.Enum.PlayerKillerStatus.NPK) { bool isSpellHarmful = IsSpellHarmful(spell); if (player.PlayerKillerStatus != target.PlayerKillerStatus && isSpellHarmful) { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.InvalidPkStatus)); player.IsBusy = false; return; } } float scale = SpellAttributes(player.Session.Account, spellId, out float castingDelay, out MotionCommand windUpMotion, out MotionCommand spellGesture); var formula = SpellTable.GetSpellFormula(spellTable, spellId, player.Session.Account); bool spellCastSuccess = false || ((Physics.Common.Random.RollDice(0.0f, 1.0f) > (1.0f - SkillCheck.GetMagicSkillChance((int)magicSkill, (int)spell.Power))) && (magicSkill >= (int)spell.Power - 50) && (magicSkill > 0)); // Calculating mana usage #region CreatureSkill mc = player.GetCreatureSkill(Skill.ManaConversion); double z = mc.Current; double baseManaPercent = 1; if (z > spell.Power) { baseManaPercent = spell.Power / z; } double preCost; uint manaUsed; if ((int)Math.Floor(baseManaPercent) == 1) { preCost = spell.BaseMana; manaUsed = (uint)preCost; } else { preCost = spell.BaseMana * baseManaPercent; if (preCost < 1) { preCost = 1; } manaUsed = (uint)Physics.Common.Random.RollDice(1, (int)preCost); } if (spell.MetaSpellType == SpellType.Transfer) { uint vitalChange, casterVitalChange; vitalChange = (uint)(player.GetCurrentCreatureVital((PropertyAttribute2nd)spellStatMod.Source) * spellStatMod.Proportion); if (spellStatMod.TransferCap != 0) { if (vitalChange > spellStatMod.TransferCap) { vitalChange = (uint)spellStatMod.TransferCap; } } casterVitalChange = (uint)(vitalChange * (1.0f - spellStatMod.LossPercent)); vitalChange = (uint)(casterVitalChange / (1.0f - spellStatMod.LossPercent)); if (spellStatMod.Source == (int)PropertyAttribute2nd.Mana && (vitalChange + 10 + manaUsed) > player.Mana.Current) { ActionChain resourceCheckChain = new ActionChain(); resourceCheckChain.AddAction(this, () => { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(Guid, ACE.Entity.Enum.PlayScript.Fizzle, 0.5f)); }); resourceCheckChain.AddDelaySeconds(2.0f); resourceCheckChain.AddAction(this, () => { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.YouDontHaveEnoughManaToCast)); player.IsBusy = false; }); resourceCheckChain.EnqueueChain(); return; } else if ((vitalChange + 10) > player.GetCurrentCreatureVital((PropertyAttribute2nd)spellStatMod.Source)) { ActionChain resourceCheckChain = new ActionChain(); resourceCheckChain.AddAction(this, () => { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(Guid, ACE.Entity.Enum.PlayScript.Fizzle, 0.5f)); }); resourceCheckChain.AddDelaySeconds(2.0f); resourceCheckChain.AddAction(this, () => player.IsBusy = false); resourceCheckChain.EnqueueChain(); return; } } else if (manaUsed > player.Mana.Current) { ActionChain resourceCheckChain = new ActionChain(); resourceCheckChain.AddAction(this, () => { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(Guid, ACE.Entity.Enum.PlayScript.Fizzle, 0.5f)); }); resourceCheckChain.AddDelaySeconds(2.0f); resourceCheckChain.AddAction(this, () => { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.YouDontHaveEnoughManaToCast)); player.IsBusy = false; }); resourceCheckChain.EnqueueChain(); return; } else { player.UpdateVital(player.Mana, player.Mana.Current - manaUsed); } #endregion ActionChain spellChain = new ActionChain(); uint fastCast = (spell.Bitfield >> 14) & 0x1u; if (fastCast != 1) { spellChain.AddAction(this, () => { var motionWindUp = new UniversalMotion(MotionStance.Spellcasting); motionWindUp.MovementData.CurrentStyle = (ushort)((uint)MotionStance.Spellcasting & 0xFFFF); motionWindUp.MovementData.ForwardCommand = (uint)windUpMotion; motionWindUp.MovementData.ForwardSpeed = 2; DoMotion(motionWindUp); }); } spellChain.AddAction(this, () => { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageCreatureMessage(SpellComponentsTable.GetSpellWords(DatManager.PortalDat.SpellComponentsTable, formula), Name, Guid.Full, ChatMessageType.Magic)); }); spellChain.AddAction(this, () => { var motionCastSpell = new UniversalMotion(MotionStance.Spellcasting); motionCastSpell.MovementData.CurrentStyle = (ushort)((uint)MotionStance.Spellcasting & 0xFFFF); motionCastSpell.MovementData.ForwardCommand = (uint)spellGesture; motionCastSpell.MovementData.ForwardSpeed = 2; DoMotion(motionCastSpell); }); if (fastCast == 1) { spellChain.AddDelaySeconds(castingDelay * 0.26f); } else { spellChain.AddDelaySeconds(castingDelay); } if (spellCastSuccess == false) { spellChain.AddAction(this, () => CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(Guid, ACE.Entity.Enum.PlayScript.Fizzle, 0.5f))); } else { spellChain.AddAction(this, () => { bool targetDeath; string message; switch (spell.School) { case MagicSchool.WarMagic: WarMagic(target, spell, spellStatMod); break; case MagicSchool.VoidMagic: VoidMagic(target, spell, spellStatMod); break; case MagicSchool.CreatureEnchantment: if (IsSpellHarmful(spell)) { // Retrieve player's skill level in the Magic School var playerMagicSkill = player.GetCreatureSkill(spell.School).Current; // Retrieve target's Magic Defense Skill Creature creature = (Creature)target; var targetMagicDefenseSkill = creature.GetCreatureSkill(Skill.MagicDefense).Current; if (MagicDefenseCheck(playerMagicSkill, targetMagicDefenseSkill)) { CurrentLandblock.EnqueueBroadcastSound(player, Sound.ResistSpell); player.Session.Network.EnqueueSend(new GameMessageSystemChat($"{creature.Name} resists {spell.Name}", ChatMessageType.Magic)); break; } } CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(target.Guid, (PlayScript)spell.TargetEffect, scale)); message = CreatureMagic(target, spell, spellStatMod); if (message != "") { player.Session.Network.EnqueueSend(new GameMessageSystemChat(message, ChatMessageType.Magic)); } break; case MagicSchool.LifeMagic: if (spell.MetaSpellType != SpellType.LifeProjectile) { if (IsSpellHarmful(spell)) { // Retrieve player's skill level in the Magic School var playerMagicSkill = player.GetCreatureSkill(spell.School).Current; // Retrieve target's Magic Defense Skill Creature creature = (Creature)target; var targetMagicDefenseSkill = creature.GetCreatureSkill(Skill.MagicDefense).Current; if (MagicDefenseCheck(playerMagicSkill, targetMagicDefenseSkill)) { CurrentLandblock.EnqueueBroadcastSound(player, Sound.ResistSpell); player.Session.Network.EnqueueSend(new GameMessageSystemChat($"{creature.Name} resists {spell.Name}", ChatMessageType.Magic)); break; } } } CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(target.Guid, (PlayScript)spell.TargetEffect, scale)); targetDeath = LifeMagic(target, spell, spellStatMod, out message); if (message != null) { player.Session.Network.EnqueueSend(new GameMessageSystemChat(message, ChatMessageType.Magic)); } if (targetDeath == true) { Creature creatureTarget = (Creature)target; creatureTarget.Die(); Strings.DeathMessages.TryGetValue(DamageType.Base, out var messages); player.Session.Network.EnqueueSend(new GameMessageSystemChat(string.Format(messages[0], target.Name), ChatMessageType.Broadcast)); player.EarnXP((long)target.XpOverride); } break; case MagicSchool.ItemEnchantment: if (guidTarget == Guid) { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(Guid, (PlayScript)spell.CasterEffect, scale)); } else { CurrentLandblock.EnqueueBroadcast(Location, new GameMessageScript(target.Guid, (PlayScript)spell.TargetEffect, scale)); } message = ItemMagic(target, spell, spellStatMod); if (message != "") { player.Session.Network.EnqueueSend(new GameMessageSystemChat(message, ChatMessageType.Magic)); } break; default: break; } }); } spellChain.AddAction(this, () => { var motionReturnToCastStance = new UniversalMotion(MotionStance.Spellcasting); motionReturnToCastStance.MovementData.CurrentStyle = (ushort)((uint)MotionStance.Spellcasting & 0xFFFF); motionReturnToCastStance.MovementData.ForwardCommand = (uint)MotionCommand.Invalid; DoMotion(motionReturnToCastStance); }); spellChain.AddDelaySeconds(1.0f); spellChain.AddAction(this, () => { player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, errorType: WeenieError.None)); player.IsBusy = false; }); spellChain.EnqueueChain(); return; }