src/game/TaxiHandler.cpp

   1 /*
   2  * Copyright (C) 2005-2013 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Common.h"
  20 #include "Database/DatabaseEnv.h"
  21 #include "WorldPacket.h"
  22 #include "WorldSession.h"
  23 #include "Opcodes.h"
  24 #include "Log.h"
  25 #include "ObjectMgr.h"
  26 #include "Player.h"
  27 #include "UpdateMask.h"
  28 #include "Path.h"
  29 #include "WaypointMovementGenerator.h"
  30
  31 void WorldSession::HandleTaxiNodeStatusQueryOpcode(WorldPacket& recv_data)
  32 {
  33     DEBUG_LOG("WORLD: Received CMSG_TAXINODE_STATUS_QUERY");
  34
  35     ObjectGuid guid;
  36
  37     recv_data >> guid;
  38     SendTaxiStatus(guid);
  39 }
  40
  41 void WorldSession::SendTaxiStatus(ObjectGuid guid)
  42 {
  43     // cheating checks
  44     Creature* unit = GetPlayer()->GetMap()->GetCreature(guid);
  45     if (!unit)
  46     {
  47         DEBUG_LOG("WorldSession::SendTaxiStatus - %s not found or you can't interact with it.", guid.GetString().c_str());
  48         return;
  49     }
  50
  51     uint32 curloc = sObjectMgr.GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
  52
  53     // not found nearest
  54     if (curloc == 0)
  55         return;
  56
  57     DEBUG_LOG("WORLD: current location %u ", curloc);
  58
  59     WorldPacket data(SMSG_TAXINODE_STATUS, 9);
  60     data << ObjectGuid(guid);
  61     data << uint8(GetPlayer()->m_taxi.IsTaximaskNodeKnown(curloc) ? 1 : 0);
  62     SendPacket(&data);
  63
  64     DEBUG_LOG("WORLD: Sent SMSG_TAXINODE_STATUS");
  65 }
  66
  67 void WorldSession::HandleTaxiQueryAvailableNodes(WorldPacket& recv_data)
  68 {
  69     DEBUG_LOG("WORLD: Received CMSG_TAXIQUERYAVAILABLENODES");
  70
  71     ObjectGuid guid;
  72     recv_data >> guid;
  73
  74     // cheating checks
  75     Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
  76     if (!unit)
  77     {
  78         DEBUG_LOG("WORLD: HandleTaxiQueryAvailableNodes - %s not found or you can't interact with him.", guid.GetString().c_str());
  79         return;
  80     }
  81
  82     // remove fake death
  83     if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
  84         GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
  85
  86     // unknown taxi node case
  87     if (SendLearnNewTaxiNode(unit))
  88         return;
  89
  90     // known taxi node case
  91     SendTaxiMenu(unit);
  92 }
  93
  94 void WorldSession::SendTaxiMenu(Creature* unit)
  95 {
  96     // find current node
  97     uint32 curloc = sObjectMgr.GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
  98
  99     if (curloc == 0)
 100         return;
 101
 102     DEBUG_LOG("WORLD: CMSG_TAXINODE_STATUS_QUERY %u ", curloc);
 103
 104     WorldPacket data(SMSG_SHOWTAXINODES, (4 + 8 + 4 + 8 * 4));
 105     data << uint32(1);
 106     data << unit->GetObjectGuid();
 107     data << uint32(curloc);
 108     GetPlayer()->m_taxi.AppendTaximaskTo(data, GetPlayer()->isTaxiCheater());
 109     SendPacket(&data);
 110
 111     DEBUG_LOG("WORLD: Sent SMSG_SHOWTAXINODES");
 112 }
 113
 114 void WorldSession::SendDoFlight(uint32 mountDisplayId, uint32 path, uint32 pathNode)
 115 {
 116     // remove fake death
 117     if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
 118         GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
 119
 120     while (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
 121         GetPlayer()->GetMotionMaster()->MovementExpired(false);
 122
 123     if (mountDisplayId)
 124         GetPlayer()->Mount(mountDisplayId);
 125
 126     GetPlayer()->GetMotionMaster()->MoveTaxiFlight(path, pathNode);
 127 }
 128
 129 bool WorldSession::SendLearnNewTaxiNode(Creature* unit)
 130 {
 131     // find current node
 132     uint32 curloc = sObjectMgr.GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
 133
 134     if (curloc == 0)
 135         return true;                                        // `true` send to avoid WorldSession::SendTaxiMenu call with one more curlock seartch with same false result.
 136
 137     if (GetPlayer()->m_taxi.SetTaximaskNode(curloc))
 138     {
 139         WorldPacket msg(SMSG_NEW_TAXI_PATH, 0);
 140         SendPacket(&msg);
 141
 142         WorldPacket update(SMSG_TAXINODE_STATUS, 9);
 143         update << ObjectGuid(unit->GetObjectGuid());
 144         update << uint8(1);
 145         SendPacket(&update);
 146
 147         return true;
 148     }
 149     else
 150         return false;
 151 }
 152
 153 void WorldSession::SendActivateTaxiReply(ActivateTaxiReply reply)
 154 {
 155     WorldPacket data(SMSG_ACTIVATETAXIREPLY, 4);
 156     data << uint32(reply);
 157     SendPacket(&data);
 158
 159     DEBUG_LOG("WORLD: Sent SMSG_ACTIVATETAXIREPLY");
 160 }
 161
 162 void WorldSession::HandleActivateTaxiExpressOpcode(WorldPacket& recv_data)
 163 {
 164     DEBUG_LOG("WORLD: Received CMSG_ACTIVATETAXIEXPRESS");
 165
 166     ObjectGuid guid;
 167     uint32 node_count;
 168
 169     recv_data >> guid >> node_count;
 170
 171     Creature* npc = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 172     if (!npc)
 173     {
 174         DEBUG_LOG("WORLD: HandleActivateTaxiExpressOpcode - %s not found or you can't interact with it.", guid.GetString().c_str());
 175         return;
 176     }
 177     std::vector<uint32> nodes;
 178
 179     for (uint32 i = 0; i < node_count; ++i)
 180     {
 181         uint32 node;
 182         recv_data >> node;
 183         nodes.push_back(node);
 184     }
 185
 186     if (nodes.empty())
 187         return;
 188
 189     DEBUG_LOG("WORLD: Received CMSG_ACTIVATETAXIEXPRESS from %d to %d" , nodes.front(), nodes.back());
 190
 191     GetPlayer()->ActivateTaxiPathTo(nodes, npc);
 192 }
 193
 194 void WorldSession::HandleMoveSplineDoneOpcode(WorldPacket& recv_data)
 195 {
 196     DEBUG_LOG("WORLD: Received CMSG_MOVE_SPLINE_DONE");
 197
 198     MovementInfo movementInfo;                              // used only for proper packet read
 199     recv_data >> movementInfo;
 200
 201     // in taxi flight packet received in 2 case:
 202     // 1) end taxi path in far (multi-node) flight
 203     // 2) switch from one map to other in case multi-map taxi path
 204     // we need process only (1)
 205     uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
 206     if (!curDest)
 207         return;
 208
 209     TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);
 210
 211     // far teleport case
 212     if (curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
 213     {
 214         if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
 215         {
 216             // short preparations to continue flight
 217             FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
 218
 219             flight->Interrupt(*GetPlayer());                // will reset at map landing
 220
 221             flight->SetCurrentNodeAfterTeleport();
 222             TaxiPathNodeEntry const& node = flight->GetPath()[flight->GetCurrentNode()];
 223             flight->SkipCurrentNode();
 224
 225             GetPlayer()->TeleportTo(curDestNode->map_id, node.x, node.y, node.z, GetPlayer()->GetOrientation());
 226         }
 227         return;
 228     }
 229
 230     uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
 231     if (destinationnode > 0)                                // if more destinations to go
 232     {
 233         // current source node for next destination
 234         uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
 235
 236         // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
 237         if (GetPlayer()->isTaxiCheater())
 238         {
 239             if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
 240             {
 241                 WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
 242                 _player->GetSession()->SendPacket(&data);
 243             }
 244         }
 245
 246         DEBUG_LOG("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);
 247
 248         uint32 mountDisplayId = sObjectMgr.GetTaxiMountDisplayId(sourcenode, GetPlayer()->GetTeam());
 249
 250         uint32 path, cost;
 251         sObjectMgr.GetTaxiPath(sourcenode, destinationnode, path, cost);
 252
 253         if (path && mountDisplayId)
 254             SendDoFlight(mountDisplayId, path, 1);          // skip start fly node
 255         else
 256             GetPlayer()->m_taxi.ClearTaxiDestinations();    // clear problematic path and next
 257     }
 258     else
 259         GetPlayer()->m_taxi.ClearTaxiDestinations();        // not destinations, clear source node
 260 }
 261
 262 void WorldSession::HandleActivateTaxiOpcode(WorldPacket& recv_data)
 263 {
 264     DEBUG_LOG("WORLD: Received CMSG_ACTIVATETAXI");
 265
 266     ObjectGuid guid;
 267     std::vector<uint32> nodes;
 268     nodes.resize(2);
 269
 270     recv_data >> guid >> nodes[0] >> nodes[1];
 271     DEBUG_LOG("WORLD: Received CMSG_ACTIVATETAXI from %d to %d" , nodes[0], nodes[1]);
 272     Creature* npc = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 273     if (!npc)
 274     {
 275         DEBUG_LOG("WORLD: HandleActivateTaxiOpcode - %s not found or you can't interact with it.", guid.GetString().c_str());
 276         return;
 277     }
 278
 279     GetPlayer()->ActivateTaxiPathTo(nodes, npc);
 280 }