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Add trainer dialog system with spell list UI and buy support

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Kelsi 2026-02-08 14:33:39 -08:00
parent 046d4615ea
commit 9a01261401
7 changed files with 340 additions and 1 deletions
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83
src/game/game_handler.cpp
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@ -313,6 +313,18 @@ void GameHandler::update(float deltaTime) {
}
}
}
if (trainerWindowOpen_ && currentTrainerList_.trainerGuid != 0) {
auto npc = entityManager.getEntity(currentTrainerList_.trainerGuid);
if (npc) {
float dx = movementInfo.x - npc->getX();
float dy = movementInfo.y - npc->getY();
float dist = std::sqrt(dx * dx + dy * dy);
if (dist > 15.0f) {
closeTrainer();
LOG_INFO("Trainer closed: walked too far from NPC");
}
}
}
// Update entity movement interpolation (keeps targeting in sync with visuals)
for (auto& [guid, entity] : entityManager.getEntities()) {
@ -639,6 +651,9 @@ void GameHandler::handlePacket(network::Packet& packet) {
case Opcode::SMSG_LIST_INVENTORY:
handleListInventory(packet);
break;
case Opcode::SMSG_TRAINER_LIST:
handleTrainerList(packet);
break;
// Silently ignore common packets we don't handle yet
case Opcode::SMSG_FEATURE_SYSTEM_STATUS:
@ -4538,6 +4553,74 @@ void GameHandler::handleListInventory(network::Packet& packet) {
}
}
// ============================================================
// Trainer
// ============================================================
void GameHandler::handleTrainerList(network::Packet& packet) {
if (!TrainerListParser::parse(packet, currentTrainerList_)) return;
trainerWindowOpen_ = true;
gossipWindowOpen = false;
// Ensure spell name cache is populated
loadSpellNameCache();
}
void GameHandler::trainSpell(uint32_t spellId) {
if (state != WorldState::IN_WORLD || !socket) return;
auto packet = TrainerBuySpellPacket::build(currentTrainerList_.trainerGuid, spellId);
socket->send(packet);
}
void GameHandler::closeTrainer() {
trainerWindowOpen_ = false;
currentTrainerList_ = TrainerListData{};
}
void GameHandler::loadSpellNameCache() {
if (spellNameCacheLoaded_) return;
spellNameCacheLoaded_ = true;
auto* am = core::Application::getInstance().getAssetManager();
if (!am || !am->isInitialized()) return;
auto dbc = am->loadDBC("Spell.dbc");
if (!dbc || !dbc->isLoaded()) {
LOG_WARNING("Trainer: Could not load Spell.dbc for spell names");
return;
}
if (dbc->getFieldCount() < 154) {
LOG_WARNING("Trainer: Spell.dbc has too few fields");
return;
}
// Fields: 0=SpellID, 136=SpellName_enUS, 153=RankText_enUS
uint32_t count = dbc->getRecordCount();
for (uint32_t i = 0; i < count; ++i) {
uint32_t id = dbc->getUInt32(i, 0);
if (id == 0) continue;
std::string name = dbc->getString(i, 136);
std::string rank = dbc->getString(i, 153);
if (!name.empty()) {
spellNameCache_[id] = {std::move(name), std::move(rank)};
}
}
LOG_INFO("Trainer: Loaded ", spellNameCache_.size(), " spell names from Spell.dbc");
}
static const std::string EMPTY_STRING;
const std::string& GameHandler::getSpellName(uint32_t spellId) const {
auto it = spellNameCache_.find(spellId);
return (it != spellNameCache_.end()) ? it->second.name : EMPTY_STRING;
}
const std::string& GameHandler::getSpellRank(uint32_t spellId) const {
auto it = spellNameCache_.find(spellId);
return (it != spellNameCache_.end()) ? it->second.rank : EMPTY_STRING;
}
// ============================================================
// Single-player local combat
// ============================================================