src/game/Transports.cpp

   1 /*
   2  * Copyright (C) 2005-2009 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
  21 #include "Transports.h"
  22 #include "MapManager.h"
  23 #include "ObjectMgr.h"
  24 #include "Path.h"
  25
  26 #include "WorldPacket.h"
  27 #include "Database/DBCStores.h"
  28 #include "ProgressBar.h"
  29
  30 void MapManager::LoadTransports()
  31 {
  32     QueryResult *result = WorldDatabase.Query("SELECT entry, name, period FROM transports");
  33
  34     uint32 count = 0;
  35
  36     if( !result )
  37     {
  38         barGoLink bar( 1 );
  39         bar.step();
  40
  41         sLog.outString();
  42         sLog.outString( ">> Loaded %u transports", count );
  43         return;
  44     }
  45
  46     barGoLink bar( result->GetRowCount() );
  47
  48     do
  49     {
  50         bar.step();
  51
  52         Transport *t = new Transport;
  53
  54         Field *fields = result->Fetch();
  55
  56         uint32 entry = fields[0].GetUInt32();
  57         std::string name = fields[1].GetCppString();
  58         t->m_period = fields[2].GetUInt32();
  59
  60         const GameObjectInfo *goinfo = objmgr.GetGameObjectInfo(entry);
  61
  62         if(!goinfo)
  63         {
  64             sLog.outErrorDb("Transport ID:%u, Name: %s, will not be loaded, gameobject_template missing", entry, name.c_str());
  65             delete t;
  66             continue;
  67         }
  68
  69         if(goinfo->type != GAMEOBJECT_TYPE_MO_TRANSPORT)
  70         {
  71             sLog.outErrorDb("Transport ID:%u, Name: %s, will not be loaded, gameobject_template type wrong", entry, name.c_str());
  72             delete t;
  73             continue;
  74         }
  75
  76         // sLog.outString("Loading transport %d between %s, %s", entry, name.c_str(), goinfo->name);
  77
  78         std::set<uint32> mapsUsed;
  79
  80         if(!t->GenerateWaypoints(goinfo->moTransport.taxiPathId, mapsUsed))
  81             // skip transports with empty waypoints list
  82         {
  83             sLog.outErrorDb("Transport (path id %u) path size = 0. Transport ignored, check DBC files or transport GO data0 field.",goinfo->moTransport.taxiPathId);
  84             delete t;
  85             continue;
  86         }
  87
  88         t->m_name = goinfo->name;
  89
  90         float x, y, z, o;
  91         uint32 mapid;
  92         x = t->m_WayPoints[0].x; y = t->m_WayPoints[0].y; z = t->m_WayPoints[0].z; mapid = t->m_WayPoints[0].mapid; o = 1;
  93
  94                                                             // creates the Gameobject
  95         if(!t->Create(entry, mapid, x, y, z, o, 100, 0))
  96         {
  97             delete t;
  98             continue;
  99         }
 100
 101         m_Transports.insert(t);
 102
 103         for (std::set<uint32>::iterator i = mapsUsed.begin(); i != mapsUsed.end(); ++i)
 104             m_TransportsByMap[*i].insert(t);
 105
 106         //If we someday decide to use the grid to track transports, here:
 107         //MapManager::Instance().LoadGrid(mapid,x,y,true);
 108         //t->GetMap()->Add<GameObject>((GameObject *)t);
 109         ++count;
 110     } while(result->NextRow());
 111     delete result;
 112
 113     sLog.outString();
 114     sLog.outString( ">> Loaded %u transports", count );
 115
 116     // check transport data DB integrity
 117     result = WorldDatabase.Query("SELECT gameobject.guid,gameobject.id,transports.name FROM gameobject,transports WHERE gameobject.id = transports.entry");
 118     if(result)                                              // wrong data found
 119     {
 120         do
 121         {
 122             Field *fields = result->Fetch();
 123
 124             uint32 guid  = fields[0].GetUInt32();
 125             uint32 entry = fields[1].GetUInt32();
 126             std::string name = fields[2].GetCppString();
 127             sLog.outErrorDb("Transport %u '%s' have record (GUID: %u) in `gameobject`. Transports DON'T must have any records in `gameobject` or its behavior will be unpredictable/bugged.",entry,name.c_str(),guid);
 128         }
 129         while(result->NextRow());
 130
 131         delete result;
 132     }
 133 }
 134
 135 Transport::Transport() : GameObject()
 136 {
 137                                                             // 2.3.2 - 0x5A
 138     m_updateFlag = (UPDATEFLAG_TRANSPORT | UPDATEFLAG_LOWGUID | UPDATEFLAG_HIGHGUID | UPDATEFLAG_HAS_POSITION);
 139 }
 140
 141 bool Transport::Create(uint32 guidlow, uint32 mapid, float x, float y, float z, float ang, uint32 animprogress, uint32 dynflags)
 142 {
 143     Relocate(x,y,z,ang);
 144
 145     SetMapId(mapid);
 146     // instance id and phaseMask isn't set to values different from std.
 147
 148     if(!IsPositionValid())
 149     {
 150         sLog.outError("ERROR: Transport (GUID: %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
 151             guidlow,x,y);
 152         return false;
 153     }
 154
 155     Object::_Create(guidlow, 0, HIGHGUID_MO_TRANSPORT);
 156
 157     GameObjectInfo const* goinfo = objmgr.GetGameObjectInfo(guidlow);
 158
 159     if (!goinfo)
 160     {
 161         sLog.outErrorDb("Transport not created: entry in `gameobject_template` not found, guidlow: %u map: %u  (X: %f Y: %f Z: %f) ang: %f",guidlow, mapid, x, y, z, ang);
 162         return false;
 163     }
 164
 165     m_goInfo = goinfo;
 166
 167     SetFloatValue(OBJECT_FIELD_SCALE_X, goinfo->size);
 168
 169     SetUInt32Value(GAMEOBJECT_FACTION, goinfo->faction);
 170     //SetUInt32Value(GAMEOBJECT_FLAGS, goinfo->flags);
 171     SetUInt32Value(GAMEOBJECT_FLAGS, MAKE_PAIR32(0x28, 0x64));
 172     SetUInt32Value(GAMEOBJECT_LEVEL, m_period);
 173     SetEntry(goinfo->id);
 174
 175     SetUInt32Value(GAMEOBJECT_DISPLAYID, goinfo->displayId);
 176
 177     SetGoState(1);
 178     SetGoType(GameobjectTypes(goinfo->type));
 179
 180     SetGoAnimProgress(animprogress);
 181     if(dynflags)
 182         SetUInt32Value(GAMEOBJECT_DYNAMIC, MAKE_PAIR32(0, dynflags));
 183
 184     return true;
 185 }
 186
 187 struct keyFrame
 188 {
 189     keyFrame(float _x, float _y, float _z, uint32 _mapid, int _actionflag, int _delay)
 190     {
 191         x = _x; y = _y; z = _z; mapid = _mapid; actionflag = _actionflag; delay = _delay; distFromPrev = -1; distSinceStop = -1; distUntilStop = -1;
 192         tFrom = 0; tTo = 0;
 193     }
 194
 195     float x;
 196     float y;
 197     float z;
 198     uint32 mapid;
 199     int actionflag;
 200     int delay;
 201     float distSinceStop;
 202     float distUntilStop;
 203     float distFromPrev;
 204     float tFrom, tTo;
 205 };
 206
 207 bool Transport::GenerateWaypoints(uint32 pathid, std::set<uint32> &mapids)
 208 {
 209     TransportPath path;
 210     objmgr.GetTransportPathNodes(pathid, path);
 211
 212     if (path.Empty())
 213         return false;
 214
 215     std::vector<keyFrame> keyFrames;
 216     int mapChange = 0;
 217     mapids.clear();
 218     for (size_t i = 1; i < path.Size() - 1; i++)
 219     {
 220         if (mapChange == 0)
 221         {
 222             if ((path[i].mapid == path[i+1].mapid))
 223             {
 224                 keyFrame k(path[i].x, path[i].y, path[i].z, path[i].mapid, path[i].actionFlag, path[i].delay);
 225                 keyFrames.push_back(k);
 226                 mapids.insert(k.mapid);
 227             }
 228             else
 229             {
 230                 mapChange = 1;
 231             }
 232         }
 233         else
 234         {
 235             --mapChange;
 236         }
 237     }
 238
 239     int lastStop = -1;
 240     int firstStop = -1;
 241
 242     // first cell is arrived at by teleportation :S
 243     keyFrames[0].distFromPrev = 0;
 244     if (keyFrames[0].actionflag == 2)
 245     {
 246         lastStop = 0;
 247     }
 248
 249     // find the rest of the distances between key points
 250     for (size_t i = 1; i < keyFrames.size(); i++)
 251     {
 252         if ((keyFrames[i].actionflag == 1) || (keyFrames[i].mapid != keyFrames[i-1].mapid))
 253         {
 254             keyFrames[i].distFromPrev = 0;
 255         }
 256         else
 257         {
 258             keyFrames[i].distFromPrev =
 259                 sqrt(pow(keyFrames[i].x - keyFrames[i - 1].x, 2) +
 260                 pow(keyFrames[i].y - keyFrames[i - 1].y, 2) +
 261                 pow(keyFrames[i].z - keyFrames[i - 1].z, 2));
 262         }
 263         if (keyFrames[i].actionflag == 2)
 264         {
 265             // remember first stop frame
 266             if(firstStop == -1)
 267                 firstStop = i;
 268             lastStop = i;
 269         }
 270     }
 271
 272     float tmpDist = 0;
 273     for (size_t i = 0; i < keyFrames.size(); i++)
 274     {
 275         int j = (i + lastStop) % keyFrames.size();
 276         if (keyFrames[j].actionflag == 2)
 277             tmpDist = 0;
 278         else
 279             tmpDist += keyFrames[j].distFromPrev;
 280         keyFrames[j].distSinceStop = tmpDist;
 281     }
 282
 283     for (int i = int(keyFrames.size()) - 1; i >= 0; i--)
 284     {
 285         int j = (i + (firstStop+1)) % keyFrames.size();
 286         tmpDist += keyFrames[(j + 1) % keyFrames.size()].distFromPrev;
 287         keyFrames[j].distUntilStop = tmpDist;
 288         if (keyFrames[j].actionflag == 2)
 289             tmpDist = 0;
 290     }
 291
 292     for (size_t i = 0; i < keyFrames.size(); i++)
 293     {
 294         if (keyFrames[i].distSinceStop < (30 * 30 * 0.5f))
 295             keyFrames[i].tFrom = sqrt(2 * keyFrames[i].distSinceStop);
 296         else
 297             keyFrames[i].tFrom = ((keyFrames[i].distSinceStop - (30 * 30 * 0.5f)) / 30) + 30;
 298
 299         if (keyFrames[i].distUntilStop < (30 * 30 * 0.5f))
 300             keyFrames[i].tTo = sqrt(2 * keyFrames[i].distUntilStop);
 301         else
 302             keyFrames[i].tTo = ((keyFrames[i].distUntilStop - (30 * 30 * 0.5f)) / 30) + 30;
 303
 304         keyFrames[i].tFrom *= 1000;
 305         keyFrames[i].tTo *= 1000;
 306     }
 307
 308     //    for (int i = 0; i < keyFrames.size(); i++) {
 309     //        sLog.outString("%f, %f, %f, %f, %f, %f, %f", keyFrames[i].x, keyFrames[i].y, keyFrames[i].distUntilStop, keyFrames[i].distSinceStop, keyFrames[i].distFromPrev, keyFrames[i].tFrom, keyFrames[i].tTo);
 310     //    }
 311
 312     // Now we're completely set up; we can move along the length of each waypoint at 100 ms intervals
 313     // speed = max(30, t) (remember x = 0.5s^2, and when accelerating, a = 1 unit/s^2
 314     int t = 0;
 315     bool teleport = false;
 316     if (keyFrames[keyFrames.size() - 1].mapid != keyFrames[0].mapid)
 317         teleport = true;
 318
 319     WayPoint pos(keyFrames[0].mapid, keyFrames[0].x, keyFrames[0].y, keyFrames[0].z, teleport);
 320     m_WayPoints[0] = pos;
 321     t += keyFrames[0].delay * 1000;
 322
 323     uint32 cM = keyFrames[0].mapid;
 324     for (size_t i = 0; i < keyFrames.size() - 1; i++)
 325     {
 326         float d = 0;
 327         float tFrom = keyFrames[i].tFrom;
 328         float tTo = keyFrames[i].tTo;
 329
 330         // keep the generation of all these points; we use only a few now, but may need the others later
 331         if (((d < keyFrames[i + 1].distFromPrev) && (tTo > 0)))
 332         {
 333             while ((d < keyFrames[i + 1].distFromPrev) && (tTo > 0))
 334             {
 335                 tFrom += 100;
 336                 tTo -= 100;
 337
 338                 if (d > 0)
 339                 {
 340                     float newX, newY, newZ;
 341                     newX = keyFrames[i].x + (keyFrames[i + 1].x - keyFrames[i].x) * d / keyFrames[i + 1].distFromPrev;
 342                     newY = keyFrames[i].y + (keyFrames[i + 1].y - keyFrames[i].y) * d / keyFrames[i + 1].distFromPrev;
 343                     newZ = keyFrames[i].z + (keyFrames[i + 1].z - keyFrames[i].z) * d / keyFrames[i + 1].distFromPrev;
 344
 345                     bool teleport = false;
 346                     if (keyFrames[i].mapid != cM)
 347                     {
 348                         teleport = true;
 349                         cM = keyFrames[i].mapid;
 350                     }
 351
 352                     //                    sLog.outString("T: %d, D: %f, x: %f, y: %f, z: %f", t, d, newX, newY, newZ);
 353                     WayPoint pos(keyFrames[i].mapid, newX, newY, newZ, teleport);
 354                     if (teleport)
 355                         m_WayPoints[t] = pos;
 356                 }
 357
 358                 if (tFrom < tTo)                            // caught in tFrom dock's "gravitational pull"
 359                 {
 360                     if (tFrom <= 30000)
 361                     {
 362                         d = 0.5f * (tFrom / 1000) * (tFrom / 1000);
 363                     }
 364                     else
 365                     {
 366                         d = 0.5f * 30 * 30 + 30 * ((tFrom - 30000) / 1000);
 367                     }
 368                     d = d - keyFrames[i].distSinceStop;
 369                 }
 370                 else
 371                 {
 372                     if (tTo <= 30000)
 373                     {
 374                         d = 0.5f * (tTo / 1000) * (tTo / 1000);
 375                     }
 376                     else
 377                     {
 378                         d = 0.5f * 30 * 30 + 30 * ((tTo - 30000) / 1000);
 379                     }
 380                     d = keyFrames[i].distUntilStop - d;
 381                 }
 382                 t += 100;
 383             }
 384             t -= 100;
 385         }
 386
 387         if (keyFrames[i + 1].tFrom > keyFrames[i + 1].tTo)
 388             t += 100 - ((long)keyFrames[i + 1].tTo % 100);
 389         else
 390             t += (long)keyFrames[i + 1].tTo % 100;
 391
 392         bool teleport = false;
 393         if ((keyFrames[i + 1].actionflag == 1) || (keyFrames[i + 1].mapid != keyFrames[i].mapid))
 394         {
 395             teleport = true;
 396             cM = keyFrames[i + 1].mapid;
 397         }
 398
 399         WayPoint pos(keyFrames[i + 1].mapid, keyFrames[i + 1].x, keyFrames[i + 1].y, keyFrames[i + 1].z, teleport);
 400
 401         //        sLog.outString("T: %d, x: %f, y: %f, z: %f, t:%d", t, pos.x, pos.y, pos.z, teleport);
 402
 403         //if (teleport)
 404         m_WayPoints[t] = pos;
 405
 406         t += keyFrames[i + 1].delay * 1000;
 407         //        sLog.outString("------");
 408     }
 409
 410     uint32 timer = t;
 411
 412     //    sLog.outDetail("    Generated %d waypoints, total time %u.", m_WayPoints.size(), timer);
 413
 414     m_curr = m_WayPoints.begin();
 415     m_curr = GetNextWayPoint();
 416     m_next = GetNextWayPoint();
 417     m_pathTime = timer;
 418
 419     m_nextNodeTime = m_curr->first;
 420
 421     return true;
 422 }
 423
 424 Transport::WayPointMap::iterator Transport::GetNextWayPoint()
 425 {
 426     WayPointMap::iterator iter = m_curr;
 427     ++iter;
 428     if (iter == m_WayPoints.end())
 429         iter = m_WayPoints.begin();
 430     return iter;
 431 }
 432
 433 void Transport::TeleportTransport(uint32 newMapid, float x, float y, float z)
 434 {
 435     //GetMap()->Remove((GameObject *)this, false);
 436     SetMapId(newMapid);
 437     //MapManager::Instance().LoadGrid(newMapid,x,y,true);
 438     Relocate(x, y, z);
 439     //GetMap()->Add<GameObject>((GameObject *)this);
 440
 441     for(PlayerSet::iterator itr = m_passengers.begin(); itr != m_passengers.end();)
 442     {
 443         PlayerSet::iterator it2 = itr;
 444         ++itr;
 445
 446         Player *plr = *it2;
 447         if(!plr)
 448         {
 449             m_passengers.erase(it2);
 450             continue;
 451         }
 452
 453         if (plr->isDead() && !plr->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_GHOST))
 454         {
 455             plr->ResurrectPlayer(1.0);
 456         }
 457         plr->TeleportTo(newMapid, x, y, z, GetOrientation(), TELE_TO_NOT_LEAVE_TRANSPORT);
 458
 459         //WorldPacket data(SMSG_811, 4);
 460         //data << uint32(0);
 461         //plr->GetSession()->SendPacket(&data);
 462     }
 463 }
 464
 465 bool Transport::AddPassenger(Player* passenger)
 466 {
 467     if (m_passengers.find(passenger) == m_passengers.end())
 468     {
 469         sLog.outDetail("Player %s boarded transport %s.", passenger->GetName(), m_name.c_str());
 470         m_passengers.insert(passenger);
 471     }
 472     return true;
 473 }
 474
 475 bool Transport::RemovePassenger(Player* passenger)
 476 {
 477     if (m_passengers.erase(passenger))
 478         sLog.outDetail("Player %s removed from transport %s.", passenger->GetName(), m_name.c_str());
 479     return true;
 480 }
 481
 482 void Transport::Update(uint32 /*p_time*/)
 483 {
 484     if (m_WayPoints.size() <= 1)
 485         return;
 486
 487     m_timer = getMSTime() % m_period;
 488     while (((m_timer - m_curr->first) % m_pathTime) > ((m_next->first - m_curr->first) % m_pathTime))
 489     {
 490         m_curr = GetNextWayPoint();
 491         m_next = GetNextWayPoint();
 492
 493         // first check help in case client-server transport coordinates de-synchronization
 494         if (m_curr->second.mapid != GetMapId() || m_curr->second.teleport)
 495         {
 496             TeleportTransport(m_curr->second.mapid, m_curr->second.x, m_curr->second.y, m_curr->second.z);
 497         }
 498         else
 499         {
 500             //MapManager::Instance().GetMap(m_curr->second.mapid)->GameobjectRelocation((GameObject *)this, m_curr->second.x, m_curr->second.y, m_curr->second.z, m_orientation);
 501             Relocate(m_curr->second.x, m_curr->second.y, m_curr->second.z);
 502         }
 503
 504         /*
 505         for(PlayerSet::iterator itr = m_passengers.begin(); itr != m_passengers.end();)
 506         {
 507             PlayerSet::iterator it2 = itr;
 508             ++itr;
 509             //(*it2)->SetPosition( m_curr->second.x + (*it2)->GetTransOffsetX(), m_curr->second.y + (*it2)->GetTransOffsetY(), m_curr->second.z + (*it2)->GetTransOffsetZ(), (*it2)->GetTransOffsetO() );
 510         }
 511         */
 512
 513         m_nextNodeTime = m_curr->first;
 514
 515         if (m_curr == m_WayPoints.begin() && (sLog.getLogFilter() & LOG_FILTER_TRANSPORT_MOVES)==0)
 516             sLog.outDetail(" ************ BEGIN ************** %s", m_name.c_str());
 517
 518         //        MapManager::Instance().GetMap(m_curr->second.mapid)->Add(&this); // -> // ->Add(t);
 519         //MapManager::Instance().GetMap(m_curr->second.mapid)->Remove((GameObject *)this, false); // -> // ->Add(t);
 520         //MapManager::Instance().GetMap(m_curr->second.mapid)->Add((GameObject *)this); // -> // ->Add(t);
 521
 522         if ((sLog.getLogFilter() & LOG_FILTER_TRANSPORT_MOVES)==0)
 523             sLog.outDetail("%s moved to %f %f %f %d", m_name.c_str(), m_curr->second.x, m_curr->second.y, m_curr->second.z, m_curr->second.mapid);
 524     }
 525 }