public CastingPreCheckStatus GetCastingPreCheckStatus(Spell spell, uint magicSkill, bool isWeaponSpell)
{
var difficulty = spell.Power;
var castingPreCheckStatus = CastingPreCheckStatus.CastFailed;
if (magicSkill > 0 && magicSkill >= (int)difficulty - 50)
{
var chance = SkillCheck.GetMagicSkillChance((int)magicSkill, (int)difficulty);
var rng = ThreadSafeRandom.Next(0.0f, 1.0f);
if (chance > rng)
{
castingPreCheckStatus = CastingPreCheckStatus.Success;
}
}
// build-in spells never fizzle
if (isWeaponSpell)
{
castingPreCheckStatus = CastingPreCheckStatus.Success;
}
// limit casting time between war and void
if (spell.School == MagicSchool.VoidMagic && LastSuccessCast_School == MagicSchool.WarMagic ||
spell.School == MagicSchool.WarMagic && LastSuccessCast_School == MagicSchool.VoidMagic)
{
// roll each time?
var timeLimit = ThreadSafeRandom.Next(3.0f, 5.0f);
if (Time.GetUnixTime() - LastSuccessCast_Time < timeLimit)
{
var curType = spell.School == MagicSchool.WarMagic ? "War" : "Void";
var prevType = LastSuccessCast_School == MagicSchool.VoidMagic ? "Nether" : "Elemental";
Session.Network.EnqueueSend(new GameMessageSystemChat($"The {prevType} energies permeating your blood cause this {curType} magic to fail.", ChatMessageType.Magic));
castingPreCheckStatus = CastingPreCheckStatus.CastFailed;
}
}
return(castingPreCheckStatus);
}
/// <summary>
/// Method used for handling player untargeted spell casts
/// </summary>
public void CreatePlayerSpell(uint spellId)
{
if (IsBusy == true)
{
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.YoureTooBusy));
return;
}
else
{
IsBusy = true;
}
SpellTable spellTable = DatManager.PortalDat.SpellTable;
if (!spellTable.Spells.ContainsKey(spellId))
{
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.MagicInvalidSpellType));
IsBusy = false;
return;
}
SpellBase spell = spellTable.Spells[spellId];
Database.Models.World.Spell spellStatMod = DatabaseManager.World.GetCachedSpell(spellId);
if (spellStatMod == null)
{
Session.Network.EnqueueSend(new GameMessageSystemChat($"{spell.Name} spell not implemented, yet!", ChatMessageType.System));
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.MagicInvalidSpellType));
IsBusy = false;
return;
}
// Grab player's skill level in the spell's Magic School
var magicSkill = GetCreatureSkill(spell.School);
float scale = SpellAttributes(Session.Account, spellId, out float castingDelay, out MotionCommand windUpMotion, out MotionCommand spellGesture);
var formula = SpellTable.GetSpellFormula(spellTable, spellId, Session.Account);
bool spellCastSuccess = false || ((Physics.Common.Random.RollDice(0.0f, 1.0f) > (1.0f - SkillCheck.GetMagicSkillChance((int)magicSkill.Current, (int)spell.Power))) &&
(magicSkill.Current >= (int)spell.Power - 50) && (magicSkill.Current > 0));
// Calculating mana usage
#region
if (spellCastSuccess == true)
{
CreatureSkill mc = 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)(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) > 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, () =>
{
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.YouDontHaveEnoughManaToCast));
IsBusy = false;
});
resourceCheckChain.EnqueueChain();
return;
}
if ((vitalChange + 10) > 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, () => IsBusy = false);
resourceCheckChain.EnqueueChain();
return;
}
}
else if (manaUsed > 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, () =>
{
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.YouDontHaveEnoughManaToCast));
IsBusy = false;
});
resourceCheckChain.EnqueueChain();
return;
}
else
{
UpdateVital(Mana, 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
{
// TODO - Successful spell casting code goes here for untargeted spells to replace line below
Session.Network.EnqueueSend(new GameMessageSystemChat("Targeted SpellID " + spellId + " not yet implemented!", ChatMessageType.System));
}
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, () =>
{
Session.Network.EnqueueSend(new GameEventUseDone(Session, errorType: WeenieError.None));
IsBusy = false;
});
spellChain.EnqueueChain();
return;
}
/// <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;
}
/// <summary>
/// Method used for handling player targeted spell casts
/// </summary>
public void CreatePlayerSpell(WorldObject target, TargetCategory targetCategory, uint spellId)
{
var player = this;
var creatureTarget = target as Creature;
if (player.IsBusy == true)
{
player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, WeenieError.YoureTooBusy));
return;
}
player.IsBusy = true;
var spell = new Spell(spellId);
if (spell.NotFound)
{
if (spell._spellBase == null)
{
Session.Network.EnqueueSend(new GameEventCommunicationTransientString(Session, $"SpellId {spellId} Invalid."));
Session.Network.EnqueueSend(new GameEventUseDone(Session, WeenieError.None));
}
else
{
Session.Network.EnqueueSend(new GameMessageSystemChat($"{spell.Name} spell not implemented, yet!", ChatMessageType.System));
Session.Network.EnqueueSend(new GameEventUseDone(Session, WeenieError.MagicInvalidSpellType));
}
player.IsBusy = false;
return;
}
if (IsInvalidTarget(spell, target))
{
player.Session.Network.EnqueueSend(new GameEventCommunicationTransientString(player.Session, $"{spell.Name} cannot be cast on {target.Name}."));
player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, WeenieError.None));
player.IsBusy = false;
return;
}
// if casting implement has spell built in,
// use spellcraft from the item, instead of player's magic skill?
var caster = GetEquippedWand();
var isWeaponSpell = IsWeaponSpell(spell);
// Grab player's skill level in the spell's Magic School
var magicSkill = player.GetCreatureSkill(spell.School).Current;
if (isWeaponSpell && caster.ItemSpellcraft != null)
{
magicSkill = (uint)caster.ItemSpellcraft;
}
if (targetCategory == TargetCategory.WorldObject)
{
if (target.Guid != Guid)
{
var targetLoc = target;
if (targetLoc.WielderId != null)
{
targetLoc = CurrentLandblock?.GetObject(targetLoc.WielderId.Value);
}
float distanceTo = Location.Distance2D(targetLoc.Location);
if (distanceTo > spell.BaseRangeConstant + magicSkill * spell.BaseRangeMod)
{
player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, WeenieError.None),
new GameMessageSystemChat($"Target is out of range!", ChatMessageType.Magic));
player.IsBusy = false;
return;
}
}
}
var difficulty = spell.Power;
// is this needed? should talismans remain the same, regardless of player spell formula?
spell.Formula.GetPlayerFormula(player);
var castingPreCheckStatus = CastingPreCheckStatus.CastFailed;
if (magicSkill > 0 && magicSkill >= (int)difficulty - 50)
{
var chance = 1.0f - SkillCheck.GetMagicSkillChance((int)magicSkill, (int)difficulty);
var rng = ThreadSafeRandom.Next(0.0f, 1.0f);
if (chance < rng || isWeaponSpell)
{
castingPreCheckStatus = CastingPreCheckStatus.Success;
}
}
// limit casting time between war and void
if (spell.School == MagicSchool.VoidMagic && LastSuccessCast_School == MagicSchool.WarMagic ||
spell.School == MagicSchool.WarMagic && LastSuccessCast_School == MagicSchool.VoidMagic)
{
// roll each time?
var timeLimit = ThreadSafeRandom.Next(3.0f, 5.0f);
if (Time.GetUnixTime() - LastSuccessCast_Time < timeLimit)
{
var curType = spell.School == MagicSchool.WarMagic ? "War" : "Void";
var prevType = LastSuccessCast_School == MagicSchool.VoidMagic ? "Nether" : "Elemental";
Session.Network.EnqueueSend(new GameMessageSystemChat($"The {prevType} energies permeating your blood cause this {curType} magic to fail.", ChatMessageType.Magic));
castingPreCheckStatus = CastingPreCheckStatus.CastFailed;
}
}
// Calculate mana usage
uint manaUsed = CalculateManaUsage(player, spell, target);
var currentMana = player.Mana.Current;
if (isWeaponSpell)
{
currentMana = (uint)(caster.ItemCurMana ?? 0);
}
if (manaUsed > currentMana)
{
player.Session.Network.EnqueueSend(new GameEventUseDone(player.Session, WeenieError.YouDontHaveEnoughManaToCast));
IsBusy = false; // delay?
return;
}
// begin spellcasting
Proficiency.OnSuccessUse(player, player.GetCreatureSkill(Skill.ManaConversion), spell.PowerMod);
if (!isWeaponSpell)
{
player.UpdateVitalDelta(player.Mana, -(int)manaUsed);
}
else
{
caster.ItemCurMana -= (int)manaUsed;
}
spell.Formula.GetPlayerFormula(player);
string spellWords = spell._spellBase.GetSpellWords(DatManager.PortalDat.SpellComponentsTable);
if (spellWords != null && !isWeaponSpell)
{
EnqueueBroadcast(new GameMessageCreatureMessage(spellWords, Name, Guid.Full, ChatMessageType.Spellcasting));
}
var spellChain = new ActionChain();
var castSpeed = 2.0f; // hardcoded for player spell casting?
var startPos = new Position(Location);
// do wind-up gestures: fastcast has no windup (creature enchantments)
if (!spell.Flags.HasFlag(SpellFlags.FastCast) && !isWeaponSpell)
{
// note that ACE is currently sending the windup motion and the casting gesture
// at the same time. the client is automatically queueing these animations to run at the correct time.
foreach (var windupGesture in spell.Formula.WindupGestures)
{
spellChain.AddAction(this, () =>
{
var motionWindUp = new Motion(MotionStance.Magic, windupGesture, castSpeed);
EnqueueBroadcastMotion(motionWindUp);
});
}
}
// cast spell
spellChain.AddAction(this, () =>
{
var castGesture = spell.Formula.CastGesture;
if (isWeaponSpell && caster.UseUserAnimation != 0)
{
castGesture = caster.UseUserAnimation;
}
var motionCastSpell = new Motion(MotionStance.Magic, castGesture, castSpeed);
EnqueueBroadcastMotion(motionCastSpell);
});
var castingDelay = spell.Formula.GetCastTime(MotionTableId, castSpeed, isWeaponSpell);
spellChain.AddDelaySeconds(castingDelay);
bool movedTooFar = false;
spellChain.AddAction(this, () =>
{
if (!isWeaponSpell)
{
TryBurnComponents(spell);
}
// check windup move distance cap
var endPos = new Position(Location);
var dist = startPos.DistanceTo(endPos);
if (dist > Windup_MaxMove)
{
castingPreCheckStatus = CastingPreCheckStatus.CastFailed;
movedTooFar = true;
}
var pk_error = CheckPKStatusVsTarget(player, target, spell);
if (pk_error != null)
{
castingPreCheckStatus = CastingPreCheckStatus.InvalidPKStatus;
}
var useDone = WeenieError.None;
switch (castingPreCheckStatus)
{
case CastingPreCheckStatus.Success:
if ((spell.Flags & SpellFlags.FellowshipSpell) == 0)
{
CreatePlayerSpell(target, spell);
}
else
{
var fellows = GetFellowshipTargets();
foreach (var fellow in fellows)
{
CreatePlayerSpell(fellow, spell);
}
}
break;
case CastingPreCheckStatus.InvalidPKStatus:
if (spell.NumProjectiles > 0)
{
switch (spell.School)
{
case MagicSchool.WarMagic:
WarMagic(target, spell);
break;
case MagicSchool.VoidMagic:
VoidMagic(target, spell);
break;
case MagicSchool.LifeMagic:
LifeMagic(target, spell, out uint damage, out bool critical, out var enchantmentStatus);
break;
}