message: Don't load NPCs with types not found in the XDT
diff: @@ -905,21 +905,26 @@ static void loadNPCs(json& npcData) {
  int npcID = std::strtol(_npc.key().c_str(), nullptr, 10); // parse ID string to integer
  npcID += NPC_ID_OFFSET;
  int instanceID = npc.find("iMapNum") == npc.end() ? INSTANCE_OVERWORLD : (int)npc["iMapNum"];
  + int type = (int)npc["iNPCType"];
  + if (NPCManager::NPCData[type].is_null()) {
  + std::cout << "[WARN] NPC type " << type << " not found; skipping (json#" << _npc.key() << ")" << std::endl;
  + continue;
  + }
  #ifdef ACADEMY
  // do not spawn NPCs in the future
  if (npc["iX"] > 512000 && npc["iY"] < 256000)
  continue;
  #endif
  - BaseNPC* tmp = new BaseNPC(npc["iX"], npc["iY"], npc["iZ"], npc["iAngle"], instanceID, npc["iNPCType"], npcID);
  + BaseNPC* tmp = new BaseNPC(npc["iX"], npc["iY"], npc["iZ"], npc["iAngle"], instanceID, type, npcID);
  NPCManager::NPCs[npcID] = tmp;
  NPCManager::updateNPCPosition(npcID, npc["iX"], npc["iY"], npc["iZ"], instanceID, npc["iAngle"]);
  - if (npc["iNPCType"] == 641 || npc["iNPCType"] == 642)
  + if (type == 641 || type == 642)
  NPCManager::RespawnPoints.push_back({ npc["iX"], npc["iY"], ((int)npc["iZ"]) + RESURRECT_HEIGHT, instanceID });
  // see if any paths target this NPC
  - NPCPath* npcPath = findApplicablePath(npcID, npc["iNPCType"]);
  + NPCPath* npcPath = findApplicablePath(npcID, type);
  if (npcPath != nullptr) {
  //std::cout << "[INFO] Found path for NPC " << npcID << std::endl;
  constructPathNPC(npcID, npcPath);
  @@ -945,7 +950,12 @@ static void loadMobs(json& npcData, int32_t* nextId) {
  auto npc = _npc.value();
  int npcID = std::strtol(_npc.key().c_str(), nullptr, 10); // parse ID string to integer
  npcID += MOB_ID_OFFSET;
  - auto td = NPCManager::NPCData[(int)npc["iNPCType"]];
  + int type = (int)npc["iNPCType"];
  + if (NPCManager::NPCData[type].is_null()) {
  + std::cout << "[WARN] NPC type " << type << " not found; skipping (json#" << _npc.key() << ")" << std::endl;
  + continue;
  + }
  + auto td = NPCManager::NPCData[type];
  uint64_t instanceID = npc.find("iMapNum") == npc.end() ? INSTANCE_OVERWORLD : (int)npc["iMapNum"];
  #ifdef ACADEMY
  