Files
Fractured/src/server/game/Entities/Creature/Trainer.cpp
T
Docker Build 203356aca8 Paragon: AE/TE currency, Character Advancement commit/reset, panel SQL
- mod-paragon: Paragon_Essence addon channel (PARAA), commit queue, resets,
  spell chain learn with passive child tracking, silence-window hints for
  cascade learns, trainer exemptions for pet/portal trainers
- SQL: character_paragon_panel_* tables, paragon_spell_ae_cost world data
- Core: Player Paragon class talent learn hook; Trainer skip for Paragon
  where appropriate
- Ignore local build-worldserver.log

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-08 21:43:01 -04:00

303 lines
12 KiB
C++

/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Trainer.h"
#include "Creature.h"
#include "NPCPackets.h"
#include "Player.h"
#include "SpellInfo.h"
#include "SpellMgr.h"
namespace Trainer
{
bool Spell::IsCastable() const
{
return sSpellMgr->AssertSpellInfo(SpellId)->HasEffect(SPELL_EFFECT_LEARN_SPELL);
}
Trainer::Trainer(uint32 trainerId, Type type, uint32 requirement, std::string greeting, std::vector<Spell> spells) : _trainerId(trainerId), _type(type), _requirement(requirement), _spells(std::move(spells))
{
_greeting[DEFAULT_LOCALE] = std::move(greeting);
}
void Trainer::SendSpells(Creature* npc, Player* player, LocaleConstant locale) const
{
float reputationDiscount = player->GetReputationPriceDiscount(npc);
WorldPackets::NPC::TrainerList trainerList;
trainerList.TrainerGUID = npc->GetGUID();
trainerList.TrainerType = AsUnderlyingType(_type);
trainerList.Greeting = GetGreeting(locale);
trainerList.Spells.reserve(_spells.size());
for (Spell const& trainerSpell : _spells)
{
if (!player->IsSpellFitByClassAndRace(trainerSpell.SpellId))
continue;
SpellInfo const* trainerSpellInfo = sSpellMgr->AssertSpellInfo(trainerSpell.SpellId);
bool primaryProfessionFirstRank = false;
for (SpellEffectInfo const& spellEffectInfo : trainerSpellInfo->GetEffects())
{
if (!spellEffectInfo.IsEffect(SPELL_EFFECT_LEARN_SPELL))
continue;
SpellInfo const* learnedSpellInfo = sSpellMgr->GetSpellInfo(spellEffectInfo.TriggerSpell);
if (learnedSpellInfo && learnedSpellInfo->IsPrimaryProfessionFirstRank())
primaryProfessionFirstRank = true;
}
trainerList.Spells.emplace_back();
WorldPackets::NPC::TrainerListSpell& trainerListSpell = trainerList.Spells.back();
trainerListSpell.SpellID = trainerSpell.SpellId;
trainerListSpell.Usable = AsUnderlyingType(GetSpellState(player, &trainerSpell));
trainerListSpell.MoneyCost = int32(trainerSpell.MoneyCost * reputationDiscount);
trainerListSpell.PointCost[0] = 0; // spells don't cost talent points
trainerListSpell.PointCost[1] = (primaryProfessionFirstRank ? 1 : 0);
trainerListSpell.ReqLevel = trainerSpell.ReqLevel;
trainerListSpell.ReqSkillLine = trainerSpell.ReqSkillLine;
trainerListSpell.ReqSkillRank = trainerSpell.ReqSkillRank;
std::copy(trainerSpell.ReqAbility.begin(), trainerSpell.ReqAbility.end(), trainerListSpell.ReqAbility.begin());
}
player->SendDirectMessage(trainerList.Write());
}
void Trainer::TeachSpell(Creature* npc, Player* player, uint32 spellId)
{
if (!IsTrainerValidForPlayer(player))
return;
Spell const* trainerSpell = GetSpell(spellId);
if (!trainerSpell)
{
SendTeachFailure(npc, player, spellId, FailReason::Unavailable);
return;
}
if (!CanTeachSpell(player, trainerSpell))
{
SendTeachFailure(npc, player, spellId, FailReason::NotEnoughSkill);
return;
}
float reputationDiscount = player->GetReputationPriceDiscount(npc);
int32 moneyCost = int32(trainerSpell->MoneyCost * reputationDiscount);
if (!player->HasEnoughMoney(moneyCost))
{
SendTeachFailure(npc, player, spellId, FailReason::NotEnoughMoney);
return;
}
player->ModifyMoney(-moneyCost);
npc->SendPlaySpellVisual(179); // 53 SpellCastDirected
npc->SendPlaySpellImpact(player->GetGUID(), 362); // 113 EmoteSalute
// learn explicitly or cast explicitly
if (trainerSpell->IsCastable())
player->CastSpell(player, trainerSpell->SpellId, true);
else
player->learnSpell(trainerSpell->SpellId, false);
SendTeachSucceeded(npc, player, spellId);
}
Spell const* Trainer::GetSpell(uint32 spellId) const
{
auto itr = std::find_if(_spells.begin(), _spells.end(), [spellId](Spell const& trainerSpell)
{
return trainerSpell.SpellId == spellId;
});
if (itr != _spells.end())
return &(*itr);
return nullptr;
}
bool Trainer::CanTeachSpell(Player const* player, Spell const* trainerSpell) const
{
SpellState state = GetSpellState(player, trainerSpell);
if (state != SpellState::Available)
return false;
SpellInfo const* trainerSpellInfo = sSpellMgr->AssertSpellInfo(trainerSpell->SpellId);
for (SpellEffectInfo const& spellEffectInfo : trainerSpellInfo->GetEffects())
{
if (!spellEffectInfo.IsEffect(SPELL_EFFECT_LEARN_SPELL))
continue;
SpellInfo const* learnedSpellInfo = sSpellMgr->GetSpellInfo(spellEffectInfo.TriggerSpell);
if (learnedSpellInfo && learnedSpellInfo->IsPrimaryProfessionFirstRank() && !player->GetFreePrimaryProfessionPoints())
return false;
}
return true;
}
SpellState Trainer::GetSpellState(Player const* player, Spell const* trainerSpell) const
{
if (player->HasSpell(trainerSpell->SpellId))
return SpellState::Known;
// check race/class requirement
if (!player->IsSpellFitByClassAndRace(trainerSpell->SpellId))
return SpellState::Unavailable;
// check skill requirement
if (trainerSpell->ReqSkillLine && player->GetBaseSkillValue(trainerSpell->ReqSkillLine) < trainerSpell->ReqSkillRank)
return SpellState::Unavailable;
for (int32 reqAbility : trainerSpell->ReqAbility)
if (reqAbility && !player->HasSpell(reqAbility))
return SpellState::Unavailable;
// check level requirement
if (player->GetLevel() < trainerSpell->ReqLevel)
return SpellState::Unavailable;
// check ranks
bool hasLearnSpellEffect = false;
bool knowsAllLearnedSpells = true;
for (SpellEffectInfo const& spellEffectInfo : sSpellMgr->AssertSpellInfo(trainerSpell->SpellId)->GetEffects())
{
if (!spellEffectInfo.IsEffect(SPELL_EFFECT_LEARN_SPELL))
continue;
hasLearnSpellEffect = true;
if (!player->HasSpell(spellEffectInfo.TriggerSpell))
knowsAllLearnedSpells = false;
if (uint32 previousRankSpellId = sSpellMgr->GetPrevSpellInChain(spellEffectInfo.TriggerSpell))
if (!player->HasSpell(previousRankSpellId))
return SpellState::Unavailable;
}
if (!hasLearnSpellEffect)
{
if (uint32 previousRankSpellId = sSpellMgr->GetPrevSpellInChain(trainerSpell->SpellId))
if (!player->HasSpell(previousRankSpellId))
return SpellState::Unavailable;
}
else if (knowsAllLearnedSpells)
return SpellState::Known;
// check additional spell requirement
for (auto const& requirePair : sSpellMgr->GetSpellsRequiredForSpellBounds(trainerSpell->SpellId))
if (!player->HasSpell(requirePair.second))
return SpellState::Unavailable;
return SpellState::Available;
}
bool Trainer::IsTrainerValidForPlayer(Player const* player) const
{
// Paragon (class 12) learns class abilities exclusively through the
// Character Advancement panel (mod-paragon). Generic class trainers
// refuse interaction. Pet trainers, mount/profession trainers, and
// specialized portal/teleport trainers (mage portal NPCs) stay valid:
// - Pet trainers: pet-skill purchases for hunter pets aren't covered
// by the panel and should remain trainer-driven.
// - Portal/teleport trainers: identified at runtime as a Class-type
// trainer whose spells are ALL TELEPORT_UNITS or TRANS_DOOR
// effects. The big general mage trainer fails this check (it
// teaches Fireball, Frostbolt, etc.) and is correctly blocked.
if (player && player->getClass() == CLASS_PARAGON
&& GetTrainerType() == Type::Class
&& !_spells.empty())
{
bool onlyPortalsAndTeleports = true;
for (Spell const& s : _spells)
{
SpellInfo const* info = sSpellMgr->GetSpellInfo(s.SpellId);
if (!info)
continue;
bool isPortalOrTeleport = false;
for (SpellEffectInfo const& eff : info->GetEffects())
{
if (eff.Effect == SPELL_EFFECT_TELEPORT_UNITS
|| eff.Effect == SPELL_EFFECT_TRANS_DOOR)
{
isPortalOrTeleport = true;
break;
}
}
if (!isPortalOrTeleport)
{
onlyPortalsAndTeleports = false;
break;
}
}
if (!onlyPortalsAndTeleports)
return false;
}
if (!GetTrainerRequirement())
return true;
switch (GetTrainerType())
{
case Type::Class:
case Type::Pet:
// check class for class trainers
return player->getClass() == GetTrainerRequirement();
case Type::Mount:
// check race for mount trainers
return player->getRace() == GetTrainerRequirement();
case Type::Tradeskill:
// check spell for profession trainers
return player->HasSpell(GetTrainerRequirement());
default:
break;
}
return true;
}
void Trainer::SendTeachFailure(Creature const* npc, Player const* player, uint32 spellId, FailReason reason) const
{
WorldPackets::NPC::TrainerBuyFailed trainerBuyFailed;
trainerBuyFailed.TrainerGUID = npc->GetGUID();
trainerBuyFailed.SpellID = spellId;
trainerBuyFailed.TrainerFailedReason = AsUnderlyingType(reason);
player->SendDirectMessage(trainerBuyFailed.Write());
}
void Trainer::SendTeachSucceeded(Creature const* npc, Player const* player, uint32 spellId) const
{
WorldPackets::NPC::TrainerBuySucceeded trainerBuySucceeded;
trainerBuySucceeded.TrainerGUID = npc->GetGUID();
trainerBuySucceeded.SpellID = spellId;
player->SendDirectMessage(trainerBuySucceeded.Write());
}
std::string const& Trainer::GetGreeting(LocaleConstant locale) const
{
if (_greeting[locale].empty())
return _greeting[DEFAULT_LOCALE];
return _greeting[locale];
}
void Trainer::AddGreetingLocale(LocaleConstant locale, std::string greeting)
{
_greeting[locale] = std::move(greeting);
}
}