summaryrefslogtreecommitdiff
path: root/src/server/game/Handlers/VehicleHandler.cpp
blob: 7a00778df0dbf0314facf70d9edd43c4c911f5ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#include "Log.h"
#include "ObjectAccessor.h"
#include "Opcodes.h"
#include "Player.h"
#include "Vehicle.h"
#include "WorldPacket.h"
#include "WorldSession.h"

void WorldSession::HandleDismissControlledVehicle(WorldPacket& recvData)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_DISMISS_CONTROLLED_VEHICLE");
#endif

    uint64 vehicleGUID = _player->GetCharmGUID();

    if (!vehicleGUID)                                       // something wrong here...
    {
        recvData.rfinish();                                // prevent warnings spam
        return;
    }

    uint64 guid;

    recvData.readPackGUID(guid);

    // pussywizard: typical check for incomming movement packets
    if (!_player->m_mover || !_player->m_mover->IsInWorld() || _player->m_mover->IsDuringRemoveFromWorld() || guid != _player->m_mover->GetGUID())
    {
        recvData.rfinish(); // prevent warnings spam
        _player->ExitVehicle();
        return;
    }

    MovementInfo mi;
    mi.guid = guid;
    ReadMovementInfo(recvData, &mi);

    _player->m_mover->m_movementInfo = mi;

    _player->ExitVehicle();
}

void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket& recvData)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE");
#endif

    Unit* vehicle_base = GetPlayer()->GetVehicleBase();
    if (!vehicle_base)
    {
        recvData.rfinish();                                // prevent warnings spam
        return;
    }

    VehicleSeatEntry const* seat = GetPlayer()->GetVehicle()->GetSeatForPassenger(GetPlayer());
    if (!seat->CanSwitchFromSeat())
    {
        recvData.rfinish();                                // prevent warnings spam
        sLog->outError("HandleChangeSeatsOnControlledVehicle, Opcode: %u, Player %u tried to switch seats but current seatflags %u don't permit that.",
                       recvData.GetOpcode(), GetPlayer()->GetGUIDLow(), seat->m_flags);
        return;
    }

    switch (recvData.GetOpcode())
    {
        case CMSG_REQUEST_VEHICLE_PREV_SEAT:
            GetPlayer()->ChangeSeat(-1, false);
            break;
        case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
            GetPlayer()->ChangeSeat(-1, true);
            break;
        case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:
            {
                uint64 guid;        // current vehicle guid
                recvData.readPackGUID(guid);

                // pussywizard:
                if (vehicle_base->GetGUID() != guid)
                {
                    recvData.rfinish(); // prevent warnings spam
                    return;
                }

                MovementInfo movementInfo;
                movementInfo.guid = guid;
                ReadMovementInfo(recvData, &movementInfo);
                vehicle_base->m_movementInfo = movementInfo;

                uint64 accessory;        //  accessory guid
                recvData.readPackGUID(accessory);

                int8 seatId;
                recvData >> seatId;

                if (!accessory)
                    GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next
                else if (Unit* vehUnit = ObjectAccessor::GetUnit(*GetPlayer(), accessory))
                {
                    if (Vehicle* vehicle = vehUnit->GetVehicleKit())
                        if (vehicle->HasEmptySeat(seatId))
                            vehUnit->HandleSpellClick(GetPlayer(), seatId);
                }
                break;
            }
        case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:
            {
                uint64 guid;        // current vehicle guid
                recvData.readPackGUID(guid);

                int8 seatId;
                recvData >> seatId;

                if (vehicle_base->GetGUID() == guid)
                    GetPlayer()->ChangeSeat(seatId);
                else if (Unit* vehUnit = ObjectAccessor::GetUnit(*GetPlayer(), guid))
                    if (Vehicle* vehicle = vehUnit->GetVehicleKit())
                        if (vehicle->HasEmptySeat(seatId))
                            vehUnit->HandleSpellClick(GetPlayer(), seatId);
                break;
            }
        default:
            break;
    }
}

void WorldSession::HandleEnterPlayerVehicle(WorldPacket& data)
{
    // Read guid
    uint64 guid;
    data >> guid;

    if (Player* player = ObjectAccessor::GetPlayer(*_player, guid))
    {
        if (!player->GetVehicleKit())
            return;
        if (!player->IsInRaidWith(_player))
            return;
        if (!player->IsWithinDistInMap(_player, INTERACTION_DISTANCE))
            return;
        // Xinef:
        if (!_player->FindMap() || _player->FindMap()->IsBattleArena())
            return;

        _player->EnterVehicle(player);
    }
}

void WorldSession::HandleEjectPassenger(WorldPacket& data)
{
    Vehicle* vehicle = _player->GetVehicleKit();
    if (!vehicle)
    {
        data.rfinish();                                     // prevent warnings spam
        sLog->outError("HandleEjectPassenger: Player %u is not in a vehicle!", GetPlayer()->GetGUIDLow());
        return;
    }

    uint64 guid;
    data >> guid;

    if (IS_PLAYER_GUID(guid))
    {
        Player* player = ObjectAccessor::GetPlayer(*_player, guid);
        if (!player)
        {
            sLog->outError("Player %u tried to eject player %u from vehicle, but the latter was not found in world!", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
            return;
        }

        if (!player->IsOnVehicle(vehicle->GetBase()))
        {
            sLog->outError("Player %u tried to eject player %u, but they are not in the same vehicle", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
            return;
        }

        VehicleSeatEntry const* seat = vehicle->GetSeatForPassenger(player);
        ASSERT(seat);
        if (seat->IsEjectable())
            player->ExitVehicle();
        else
            sLog->outError("Player %u attempted to eject player %u from non-ejectable seat.", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
    }

    else if (IS_CREATURE_GUID(guid))
    {
        Unit* unit = ObjectAccessor::GetUnit(*_player, guid);
        if (!unit) // creatures can be ejected too from player mounts
        {
            sLog->outError("Player %u tried to eject creature guid %u from vehicle, but the latter was not found in world!", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
            return;
        }

        if (!unit->IsOnVehicle(vehicle->GetBase()))
        {
            sLog->outError("Player %u tried to eject unit %u, but they are not in the same vehicle", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
            return;
        }

        VehicleSeatEntry const* seat = vehicle->GetSeatForPassenger(unit);
        ASSERT(seat);
        if (seat->IsEjectable())
        {
            ASSERT(GetPlayer() == vehicle->GetBase());
            unit->ExitVehicle();
        }
        else
            sLog->outError("Player %u attempted to eject creature GUID %u from non-ejectable seat.", GetPlayer()->GetGUIDLow(), GUID_LOPART(guid));
    }
    else
        sLog->outError("HandleEjectPassenger: Player %u tried to eject invalid GUID " UI64FMTD, GetPlayer()->GetGUIDLow(), guid);
}

void WorldSession::HandleRequestVehicleExit(WorldPacket& /*recvData*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_REQUEST_VEHICLE_EXIT");
#endif

    if (Vehicle* vehicle = GetPlayer()->GetVehicle())
    {
        if (VehicleSeatEntry const* seat = vehicle->GetSeatForPassenger(GetPlayer()))
        {
            if (seat->CanEnterOrExit())
                GetPlayer()->ExitVehicle();
            else
                sLog->outError("Player %u tried to exit vehicle, but seatflags %u (ID: %u) don't permit that.",
                               GetPlayer()->GetGUIDLow(), seat->m_ID, seat->m_flags);
        }
    }
}