src/game/TaxiHandler.cpp

   1 /*
   2  * Copyright (C) 2005-2010 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 #include "DestinationHolderImp.h"
  31
  32 void WorldSession::HandleTaxiNodeStatusQueryOpcode( WorldPacket & recv_data )
  33 {
  34     sLog.outDebug( "WORLD: Received CMSG_TAXINODE_STATUS_QUERY" );
  35
  36     uint64 guid;
  37
  38     recv_data >> guid;
  39     SendTaxiStatus( guid );
  40 }
  41
  42 void WorldSession::SendTaxiStatus( uint64 guid )
  43 {
  44     // cheating checks
  45     Creature *unit = GetPlayer()->GetMap()->GetCreature(guid);
  46     if (!unit)
  47     {
  48         sLog.outDebug( "WorldSession::SendTaxiStatus - Unit (GUID: %u) not found.", uint32(GUID_LOPART(guid)) );
  49         return;
  50     }
  51
  52     uint32 curloc = sObjectMgr.GetNearestTaxiNode(unit->GetPositionX(),unit->GetPositionY(),unit->GetPositionZ(),unit->GetMapId(),GetPlayer( )->GetTeam());
  53
  54     // not found nearest
  55     if(curloc == 0)
  56         return;
  57
  58     sLog.outDebug( "WORLD: current location %u ",curloc);
  59
  60     WorldPacket data( SMSG_TAXINODE_STATUS, 9 );
  61     data << guid;
  62     data << uint8( GetPlayer( )->m_taxi.IsTaximaskNodeKnown(curloc) ? 1 : 0 );
  63     SendPacket( &data );
  64     sLog.outDebug( "WORLD: Sent SMSG_TAXINODE_STATUS" );
  65 }
  66
  67 void WorldSession::HandleTaxiQueryAvailableNodes( WorldPacket & recv_data )
  68 {
  69     sLog.outDebug( "WORLD: Received CMSG_TAXIQUERYAVAILABLENODES" );
  70
  71     uint64 guid;
  72     recv_data >> guid;
  73
  74     // cheating checks
  75     Creature *unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
  76     if (!unit)
  77     {
  78         sLog.outDebug( "WORLD: HandleTaxiQueryAvailableNodes - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)) );
  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     sLog.outDebug( "WORLD: CMSG_TAXINODE_STATUS_QUERY %u ",curloc);
 103
 104     WorldPacket data( SMSG_SHOWTAXINODES, (4+8+4+8*4) );
 105     data << uint32( 1 );
 106     data << uint64( unit->GetGUID() );
 107     data << uint32( curloc );
 108     GetPlayer()->m_taxi.AppendTaximaskTo(data,GetPlayer()->isTaxiCheater());
 109     SendPacket( &data );
 110
 111     sLog.outDebug( "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 << uint64( unit->GetGUID() );
 144         update << uint8( 1 );
 145         SendPacket( &update );
 146
 147         return true;
 148     }
 149     else
 150         return false;
 151 }
 152
 153 void WorldSession::HandleActivateTaxiExpressOpcode ( WorldPacket & recv_data )
 154 {
 155     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXIEXPRESS" );
 156
 157     uint64 guid;
 158     uint32 node_count;
 159
 160     recv_data >> guid >> node_count;
 161
 162     Creature *npc = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 163     if (!npc)
 164     {
 165         sLog.outDebug( "WORLD: HandleActivateTaxiExpressOpcode - Unit (GUID: %u) not found or you can't interact with it.", uint32(GUID_LOPART(guid)) );
 166         return;
 167     }
 168     std::vector<uint32> nodes;
 169
 170     for(uint32 i = 0; i < node_count; ++i)
 171     {
 172         uint32 node;
 173         recv_data >> node;
 174         nodes.push_back(node);
 175     }
 176
 177     if(nodes.empty())
 178         return;
 179
 180     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXIEXPRESS from %d to %d" ,nodes.front(),nodes.back());
 181
 182     GetPlayer()->ActivateTaxiPathTo(nodes, npc);
 183 }
 184
 185 void WorldSession::HandleMoveSplineDoneOpcode(WorldPacket& recv_data)
 186 {
 187     sLog.outDebug( "WORLD: Received CMSG_MOVE_SPLINE_DONE" );
 188
 189     uint64 guid;                                            // used only for proper packet read
 190     if(!recv_data.readPackGUID(guid))
 191         return;
 192
 193     MovementInfo movementInfo(recv_data);                   // used only for proper packet read
 194
 195     recv_data.read_skip<uint32>();                          // unk
 196
 197
 198     // in taxi flight packet received in 2 case:
 199     // 1) end taxi path in far (multi-node) flight
 200     // 2) switch from one map to other in case multi-map taxi path
 201     // we need process only (1)
 202     uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
 203     if(!curDest)
 204         return;
 205
 206     TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);
 207
 208     // far teleport case
 209     if(curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
 210     {
 211         if(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()==FLIGHT_MOTION_TYPE)
 212         {
 213             // short preparations to continue flight
 214             FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
 215
 216             flight->Interrupt(*GetPlayer());                // will reset at map landing
 217
 218             flight->SetCurrentNodeAfterTeleport();
 219             Path::PathNode const& node = flight->GetPath()[flight->GetCurrentNode()];
 220             flight->SkipCurrentNode();
 221
 222             GetPlayer()->TeleportTo(curDestNode->map_id,node.x,node.y,node.z,GetPlayer()->GetOrientation());
 223         }
 224         return;
 225     }
 226
 227     uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
 228     if ( destinationnode > 0 )                              // if more destinations to go
 229     {
 230         // current source node for next destination
 231         uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
 232
 233         // Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
 234         if (GetPlayer()->isTaxiCheater())
 235         {
 236             if(GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
 237             {
 238                 WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
 239                 _player->GetSession()->SendPacket( &data );
 240             }
 241         }
 242
 243         sLog.outDebug( "WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode );
 244
 245         uint32 mountDisplayId = sObjectMgr.GetTaxiMountDisplayId(sourcenode, GetPlayer()->GetTeam());
 246
 247         uint32 path, cost;
 248         sObjectMgr.GetTaxiPath( sourcenode, destinationnode, path, cost);
 249
 250         if(path && mountDisplayId)
 251             SendDoFlight( mountDisplayId, path, 1 );        // skip start fly node
 252         else
 253             GetPlayer()->m_taxi.ClearTaxiDestinations();    // clear problematic path and next
 254     }
 255     else
 256         GetPlayer()->m_taxi.ClearTaxiDestinations();        // not destinations, clear source node
 257 }
 258
 259 void WorldSession::HandleActivateTaxiOpcode( WorldPacket & recv_data )
 260 {
 261     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXI" );
 262
 263     uint64 guid;
 264     std::vector<uint32> nodes;
 265     nodes.resize(2);
 266
 267     recv_data >> guid >> nodes[0] >> nodes[1];
 268     sLog.outDebug( "WORLD: Received CMSG_ACTIVATETAXI from %d to %d" ,nodes[0],nodes[1]);
 269     Creature *npc = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
 270     if (!npc)
 271     {
 272         sLog.outDebug( "WORLD: HandleActivateTaxiOpcode - Unit (GUID: %u) not found or you can't interact with it.", uint32(GUID_LOPART(guid)) );
 273         return;
 274     }
 275
 276     GetPlayer()->ActivateTaxiPathTo(nodes, npc);
 277 }