src/game/TaxiHandler.cpp

   1 /*
   2  * Copyright (C) 2005-2008 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 "World.h"
  26 #include "ObjectMgr.h"
  27 #include "Player.h"
  28 #include "UpdateMask.h"
  29 #include "Path.h"
  30 #include "WaypointMovementGenerator.h"
  31 #include "DestinationHolderImp.h"
  32
  33 #include <cassert>
  34
  35 void WorldSession::HandleTaxiNodeStatusQueryOpcode( WorldPacket & recv_data )
  36 {
  37     CHECK_PACKET_SIZE(recv_data,8);
  38
  39     sLog.outDebug( "WORLD: Received CMSG_TAXINODE_STATUS_QUERY" );
  40
  41     uint64 guid;
  42
  43     recv_data >> guid;
  44     SendTaxiStatus( guid );
  45 }
  46
  47 void WorldSession::SendTaxiStatus( uint64 guid )
  48 {
  49     // cheating checks
  50     Creature *unit = ObjectAccessor::GetCreature(*_player, guid);
  51     if (!unit)
  52     {
  53         sLog.outDebug( "WorldSession::SendTaxiStatus - Unit (GUID: %u) not found.", uint32(GUID_LOPART(guid)) );
  54         return;
  55     }
  56
  57     uint32 curloc = objmgr.GetNearestTaxiNode(unit->GetPositionX(),unit->GetPositionY(),unit->GetPositionZ(),unit->GetMapId());
  58
  59     // not found nearest
  60     if(curloc == 0)
  61         return;
  62
  63     sLog.outDebug( "WORLD: current location %u ",curloc);
  64
  65     WorldPacket data( SMSG_TAXINODE_STATUS, 9 );
  66     data << guid;
  67     data << uint8( GetPlayer( )->m_taxi.IsTaximaskNodeKnown(curloc) ? 1 : 0 );
  68     SendPacket( &data );
  69     sLog.outDebug( "WORLD: Sent SMSG_TAXINODE_STATUS" );
  70 }
  71
  72 void WorldSession::HandleTaxiQueryAvailableNodesOpcode( WorldPacket & recv_data )
  73 {
  74     CHECK_PACKET_SIZE(recv_data,8);
  75
  76     sLog.outDebug( "WORLD: Received CMSG_TAXIQUERYAVAILABLENODES" );
  77
  78     uint64 guid;
  79     recv_data >> guid;
  80
  81     // cheating checks
  82     Creature *unit = ObjectAccessor::GetNPCIfCanInteractWith(*_player, guid, UNIT_NPC_FLAG_FLIGHTMASTER);
  83     if (!unit)
  84     {
  85         sLog.outDebug( "WORLD: HandleTaxiQueryAvailableNodesOpcode - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)) );
  86         return;
  87     }
  88
  89     // remove fake death
  90     if(GetPlayer()->hasUnitState(UNIT_STAT_DIED))
  91         GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
  92
  93     // unknown taxi node case
  94     if( SendLearnNewTaxiNode(unit) )
  95         return;
  96
  97     // known taxi node case
  98     SendTaxiMenu( unit );
  99 }
 100
 101 void WorldSession::SendTaxiMenu( Creature* unit )
 102 {
 103     // find current node
 104     uint32 curloc = objmgr.GetNearestTaxiNode(unit->GetPositionX(),unit->GetPositionY(),unit->GetPositionZ(),unit->GetMapId());
 105
 106     if ( curloc == 0 )
 107         return;
 108
 109     sLog.outDebug( "WORLD: CMSG_TAXINODE_STATUS_QUERY %u ",curloc);
 110
 111     WorldPacket data( SMSG_SHOWTAXINODES, (4+8+4+8*4) );
 112     data << uint32( 1 );
 113     data << uint64( unit->GetGUID() );
 114     data << uint32( curloc );
 115     GetPlayer()->m_taxi.AppendTaximaskTo(data,GetPlayer()->isTaxiCheater());
 116     SendPacket( &data );
 117
 118     sLog.outDebug( "WORLD: Sent SMSG_SHOWTAXINODES" );
 119 }
 120
 121 void WorldSession::SendDoFlight( uint16 MountId, uint32 path, uint32 pathNode )
 122 {
 123     // remove fake death
 124     if(GetPlayer()->hasUnitState(UNIT_STAT_DIED))
 125         GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
 126
 127     while(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()==FLIGHT_MOTION_TYPE)
 128         GetPlayer()->GetMotionMaster()->MovementExpired(false);
 129
 130     GetPlayer()->Mount( MountId );
 131     GetPlayer()->GetMotionMaster()->MoveTaxiFlight(path,pathNode);
 132 }
 133
 134 bool WorldSession::SendLearnNewTaxiNode( Creature* unit )
 135 {
 136     // find current node
 137     uint32 curloc = objmgr.GetNearestTaxiNode(unit->GetPositionX(),unit->GetPositionY(),unit->GetPositionZ(),unit->GetMapId());
 138
 139     if ( curloc == 0 )
 140         return true;                                        // `true` send to avoid WorldSession::SendTaxiMenu call with one more curlock seartch with same false result.
 141
 142     if( GetPlayer()->m_taxi.SetTaximaskNode(curloc) )
 143     {
 144         WorldPacket msg(SMSG_NEW_TAXI_PATH, 0);
 145         SendPacket( &msg );
 146
 147         WorldPacket update( SMSG_TAXINODE_STATUS, 9 );
 148         update << uint64( unit->GetGUID() );
 149         update << uint8( 1 );
 150         SendPacket( &update );
 151
 152         return true;
 153     }
 154     else
 155         return false;
 156 }
 157
 158 void WorldSession::HandleActivateTaxiFarOpcode ( WorldPacket & recv_data )
 159 {
 160     CHECK_PACKET_SIZE(recv_data,8+4+4);
 161
 162     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXIEXPRESS" );
 163
 164     uint64 guid;
 165     uint32 node_count, _totalcost;
 166
 167     recv_data >> guid >> _totalcost >> node_count;
 168
 169     Creature *npc = ObjectAccessor::GetNPCIfCanInteractWith(*_player, guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 170     if (!npc)
 171     {
 172         sLog.outDebug( "WORLD: HandleActivateTaxiFarOpcode - Unit (GUID: %u) not found or you can't interact with it.", uint32(GUID_LOPART(guid)) );
 173         return;
 174     }
 175     // recheck
 176     CHECK_PACKET_SIZE(recv_data,8+4+4+node_count*4);
 177
 178     std::vector<uint32> nodes;
 179
 180     for(uint32 i = 0; i < node_count; ++i)
 181     {
 182         uint32 node;
 183         recv_data >> node;
 184         nodes.push_back(node);
 185     }
 186
 187     if(nodes.empty())
 188         return;
 189
 190     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXIEXPRESS from %d to %d" ,nodes.front(),nodes.back());
 191
 192     GetPlayer()->ActivateTaxiPathTo(nodes, 0, npc);
 193 }
 194
 195 void WorldSession::HandleTaxiNextDestinationOpcode(WorldPacket& /*recv_data*/)
 196 {
 197     sLog.outDebug( "WORLD: Received CMSG_MOVE_SPLINE_DONE" );
 198
 199     // in taxi flight packet received in 2 case:
 200     // 1) end taxi path in far (multi-node) flight
 201     // 2) switch from one map to other in case multim-map taxi path
 202     // we need proccess only (1)
 203     uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
 204     if(!curDest)
 205         return;
 206
 207     TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);
 208
 209     // far teleport case
 210     if(curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
 211     {
 212         if(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()==FLIGHT_MOTION_TYPE)
 213         {
 214             // short preparations to continue flight
 215             FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
 216
 217             flight->SetCurrentNodeAfterTeleport();
 218             Path::PathNode const& node = flight->GetPath()[flight->GetCurrentNode()];
 219             flight->SkipCurrentNode();
 220
 221             GetPlayer()->TeleportTo(curDestNode->map_id,node.x,node.y,node.z,GetPlayer()->GetOrientation());
 222         }
 223         return;
 224     }
 225
 226     uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
 227     if ( destinationnode > 0 )                              // if more destinations to go
 228     {
 229         // current source node for next destination
 230         uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
 231
 232         // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
 233         if (GetPlayer()->isTaxiCheater())
 234         {
 235             if(GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
 236             {
 237                 WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
 238                 _player->GetSession()->SendPacket( &data );
 239             }
 240         }
 241
 242         sLog.outDebug( "WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode );
 243
 244         uint16 MountId = objmgr.GetTaxiMount(sourcenode, GetPlayer()->GetTeam());
 245
 246         uint32 path, cost;
 247         objmgr.GetTaxiPath( sourcenode, destinationnode, path, cost);
 248
 249         if(path && MountId)
 250             SendDoFlight( MountId, path, 1 );               // skip start fly node
 251         else
 252             GetPlayer()->m_taxi.ClearTaxiDestinations();    // clear problematic path and next
 253     }
 254     else
 255         GetPlayer()->m_taxi.ClearTaxiDestinations();        // not destinations, clear source node
 256 }
 257
 258 void WorldSession::HandleActivateTaxiOpcode( WorldPacket & recv_data )
 259 {
 260     CHECK_PACKET_SIZE(recv_data,8+4+4);
 261
 262     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXI" );
 263
 264     uint64 guid;
 265     std::vector<uint32> nodes;
 266     nodes.resize(2);
 267
 268     recv_data >> guid >> nodes[0] >> nodes[1];
 269     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXI from %d to %d" ,nodes[0],nodes[1]);
 270     Creature *npc = ObjectAccessor::GetNPCIfCanInteractWith(*_player, guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 271     if (!npc)
 272     {
 273         sLog.outDebug( "WORLD: HandleActivateTaxiOpcode - Unit (GUID: %u) not found or you can't interact with it.", uint32(GUID_LOPART(guid)) );
 274         return;
 275     }
 276
 277     GetPlayer()->ActivateTaxiPathTo(nodes, 0, npc);
 278 }