public void TeachSpell(Creature npc, Player player, uint spellId)
{
TrainerSpell trainerSpell = GetSpell(spellId);
if (trainerSpell == null || !CanTeachSpell(player, trainerSpell))
{
SendTeachFailure(npc, player, spellId, TrainerFailReason.Unavailable);
return;
}
float reputationDiscount = player.GetReputationPriceDiscount(npc);
long moneyCost = (long)(trainerSpell.MoneyCost * reputationDiscount);
if (!player.HasEnoughMoney(moneyCost))
{
SendTeachFailure(npc, player, spellId, TrainerFailReason.NotEnoughMoney);
return;
}
player.ModifyMoney(-moneyCost);
npc.SendPlaySpellVisualKit(179, 0, 0); // 53 SpellCastDirected
player.SendPlaySpellVisualKit(362, 1, 0); // 113 EmoteSalute
// learn explicitly or cast explicitly
if (trainerSpell.IsCastable())
{
player.CastSpell(player, trainerSpell.SpellId, true);
}
else
{
player.LearnSpell(trainerSpell.SpellId, false);
}
}
TrainerSpellState GetSpellState(Player player, TrainerSpell trainerSpell)
{
if (player.HasSpell(trainerSpell.SpellId))
{
return(TrainerSpellState.Known);
}
// check race/class requirement
if (!player.IsSpellFitByClassAndRace(trainerSpell.SpellId))
{
return(TrainerSpellState.Unavailable);
}
// check skill requirement
if (trainerSpell.ReqSkillLine != 0 && player.GetBaseSkillValue((SkillType)trainerSpell.ReqSkillLine) < trainerSpell.ReqSkillRank)
{
return(TrainerSpellState.Unavailable);
}
foreach (uint reqAbility in trainerSpell.ReqAbility)
{
if (reqAbility != 0 && !player.HasSpell(reqAbility))
{
return(TrainerSpellState.Unavailable);
}
}
// check level requirement
if (player.GetLevel() < trainerSpell.ReqLevel)
{
return(TrainerSpellState.Unavailable);
}
// check ranks
bool hasLearnSpellEffect = false;
bool knowsAllLearnedSpells = true;
foreach (SpellEffectInfo spellEffect in Global.SpellMgr.GetSpellInfo(trainerSpell.SpellId, Difficulty.None).GetEffects())
{
if (spellEffect == null || !spellEffect.IsEffect(SpellEffectName.LearnSpell))
{
continue;
}
hasLearnSpellEffect = true;
if (!player.HasSpell(spellEffect.TriggerSpell))
{
knowsAllLearnedSpells = false;
}
}
if (hasLearnSpellEffect && knowsAllLearnedSpells)
{
return(TrainerSpellState.Known);
}
return(TrainerSpellState.Available);
}
TrainerSpellState GetSpellState(Player player, TrainerSpell trainerSpell)
{
if (player.HasSpell(trainerSpell.IsCastable() ? trainerSpell.LearnedSpellId : trainerSpell.SpellId))
{
return(TrainerSpellState.Known);
}
// check race/class requirement
if (!player.IsSpellFitByClassAndRace(trainerSpell.SpellId))
{
return(TrainerSpellState.Unavailable);
}
// check skill requirement
if (trainerSpell.ReqSkillLine != 0 && player.GetBaseSkillValue((SkillType)trainerSpell.ReqSkillLine) < trainerSpell.ReqSkillRank)
{
return(TrainerSpellState.Unavailable);
}
foreach (uint reqAbility in trainerSpell.ReqAbility)
{
if (reqAbility != 0 && !player.HasSpell(reqAbility))
{
return(TrainerSpellState.Unavailable);
}
}
// check level requirement
if (player.getLevel() < trainerSpell.ReqLevel)
{
return(TrainerSpellState.Unavailable);
}
// check ranks
uint previousRankSpellId = Global.SpellMgr.GetPrevSpellInChain(trainerSpell.LearnedSpellId);
if (previousRankSpellId != 0)
{
if (!player.HasSpell(previousRankSpellId))
{
return(TrainerSpellState.Unavailable);
}
}
// check additional spell requirement
foreach (var spellId in Global.SpellMgr.GetSpellsRequiredForSpellBounds(trainerSpell.SpellId))
{
if (!player.HasSpell(spellId))
{
return(TrainerSpellState.Unavailable);
}
}
return(TrainerSpellState.Available);
}
bool CanTeachSpell(Player player, TrainerSpell trainerSpell)
{
TrainerSpellState state = GetSpellState(player, trainerSpell);
if (state != TrainerSpellState.Available)
{
return(false);
}
SpellInfo trainerSpellInfo = Global.SpellMgr.GetSpellInfo(trainerSpell.SpellId);
if (trainerSpellInfo.IsPrimaryProfessionFirstRank() && player.GetFreePrimaryProfessionPoints() == 0)
{
return(false);
}
return(true);
}
TrainerSpellState GetSpellState(Player player, TrainerSpell trainerSpell)
{
if (player.HasSpell(trainerSpell.SpellId))
{
return(TrainerSpellState.Known);
}
// check race/class requirement
if (!player.IsSpellFitByClassAndRace(trainerSpell.SpellId))
{
return(TrainerSpellState.Unavailable);
}
// check skill requirement
if (trainerSpell.ReqSkillLine != 0 && player.GetBaseSkillValue((SkillType)trainerSpell.ReqSkillLine) < trainerSpell.ReqSkillRank)
{
return(TrainerSpellState.Unavailable);
}
foreach (uint reqAbility in trainerSpell.ReqAbility)
{
if (reqAbility != 0 && !player.HasSpell(reqAbility))
{
return(TrainerSpellState.Unavailable);
}
}
// check level requirement
if (player.getLevel() < trainerSpell.ReqLevel)
{
return(TrainerSpellState.Unavailable);
}
// check ranks
bool hasLearnSpellEffect = false;
bool knowsAllLearnedSpells = true;
foreach (SpellEffectInfo spellEffect in Global.SpellMgr.GetSpellInfo(trainerSpell.SpellId).GetEffectsForDifficulty(Difficulty.None))
{
if (spellEffect == null || !spellEffect.IsEffect(SpellEffectName.LearnSpell))
{
continue;
}
hasLearnSpellEffect = true;
if (!player.HasSpell(spellEffect.TriggerSpell))
{
knowsAllLearnedSpells = false;
}
uint previousRankSpellId = Global.SpellMgr.GetPrevSpellInChain(spellEffect.TriggerSpell);
if (previousRankSpellId != 0)
{
if (!player.HasSpell(previousRankSpellId))
{
return(TrainerSpellState.Unavailable);
}
}
}
if (!hasLearnSpellEffect)
{
uint previousRankSpellId = Global.SpellMgr.GetPrevSpellInChain(trainerSpell.SpellId);
if (previousRankSpellId != 0)
{
if (!player.HasSpell(previousRankSpellId))
{
return(TrainerSpellState.Unavailable);
}
}
}
else if (knowsAllLearnedSpells)
{
return(TrainerSpellState.Known);
}
// check additional spell requirement
foreach (var spellId in Global.SpellMgr.GetSpellsRequiredForSpellBounds(trainerSpell.SpellId))
{
if (!player.HasSpell(spellId))
{
return(TrainerSpellState.Unavailable);
}
}
return(TrainerSpellState.Available);
}