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Ignore:
Timestamp:
Dec 30, 2005, 10:49:00 PM (18 years ago)
Author:
patrick
Message:

network: major changes in the world files

File:
1 edited

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  • branches/network/src/story_entities/multi_player_world.cc

    r6355 r6358  
    1111   ### File Specific:
    1212   main-programmer: Patrick Boenzli
    13    co-programmer: Christian Meyer
    14    co-programmer: Benjamin Grauer
    1513*/
    1614
    1715#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD
    1816
    19 #include "network_world.h"
     17#include "multi_player_world.h"
    2018
    21 #include "shell_command.h"
    22 #include "resource_manager.h"
    2319#include "state.h"
     20#include "class_list.h"
    2421
    25 #include "p_node.h"
    26 #include "world_entity.h"
    27 #include "player.h"
    28 #include "camera.h"
    29 #include "environment.h"
    30 #include "terrain.h"
    31 
    32 #include "test_entity.h"
    33 #include "terrain.h"
    34 #include "light.h"
    3522#include "load_param.h"
    36 #include "shell.h"
    37 
    3823#include "fast_factory.h"
    39 #include "animation_player.h"
    40 #include "particle_engine.h"
    41 #include "graphics_engine.h"
    42 #include "physics_engine.h"
    43 #include "fields.h"
    44 
    45 #include "md2Model.h"
    46 
    47 #include "glmenu_imagescreen.h"
    48 #include "game_loader.h"
    49 
    50 #include "animation3d.h"
    51 
    52 #include "substring.h"
    53 
    5424#include "factory.h"
    5525
    56 #include "weapons/projectile.h"
    57 #include "event_handler.h"
    58 #include "sound_engine.h"
    59 #include "ogg_player.h"
    60 
    61 #include "class_list.h"
    62 
    63 #include "cd_engine.h"
    64 #include "npcs/npc_test1.h"
    65 #include "shader.h"
    66 
    67 #include "playable.h"
    68 #include "network_manager.h"
    69 #include "network_game_manager.h"
    70 #include "playable.h"
    7126
    7227
    73 SHELL_COMMAND(speed, NetworkWorld, setSpeed);
    74 SHELL_COMMAND(togglePNodeVisibility, NetworkWorld, togglePNodeVisibility);
    75 SHELL_COMMAND(toggleBVVisibility, NetworkWorld, toggleBVVisibility);
     28
     29SHELL_COMMAND(speed, MultiPlayerWorld, setSpeed);
     30SHELL_COMMAND(togglePNodeVisibility, MultiPlayerWorld, togglePNodeVisibility);
     31SHELL_COMMAND(toggleBVVisibility, MultiPlayerWorld, toggleBVVisibility);
    7632
    7733using namespace std;
    7834
    79 //! This creates a Factory to fabricate a NetworkWorld
    80 CREATE_FACTORY(NetworkWorld, CL_WORLD);
     35//! This creates a Factory to fabricate a MultiPlayerWorld
     36CREATE_FACTORY(MultiPlayerWorld, CL_WORLD);
    8137
    82 NetworkWorld::NetworkWorld(const TiXmlElement* root)
     38MultiPlayerWorld::MultiPlayerWorld(const TiXmlElement* root)
    8339{
    8440  this->constuctorInit("", -1);
    … …  
    8945
    9046/**
    91  *  remove the NetworkWorld from memory
     47 *  remove the MultiPlayerWorld from memory
    9248 *
    9349 *  delete everything explicitly, that isn't contained in the parenting tree!
    9450 *  things contained in the tree are deleted automaticaly
    9551 */
    96 NetworkWorld::~NetworkWorld ()
     52MultiPlayerWorld::~MultiPlayerWorld ()
    9753{
    9854  delete this->shell;
    99   PRINTF(3)("NetworkWorld::~NetworkWorld() - deleting current world\n");
     55  PRINTF(3)("MultiPlayerWorld::~MultiPlayerWorld() - deleting current world\n");
    10056
    10157  delete this->localPlayer;
    … …  
    14096 * NO LEVEL LOADING HERE - NEVER!
    14197*/
    142 void NetworkWorld::constuctorInit(const char* name, int worldID)
     98void MultiPlayerWorld::constuctorInit(const char* name, int worldID)
    14399{
    144   this->setClassID(CL_WORLD, "NetworkWorld");
     100  this->setClassID(CL_WORLD, "MultiPlayerWorld");
    145101  PRINTF(0)("START\n");
    146102
    … …  
    157113}
    158114
     115
    159116/**
    160  * loads the parameters of a NetworkWorld from an XML-element
     117 * loads the parameters of a MultiPlayerWorld from an XML-element
    161118 * @param root the XML-element to load from
    162119 */
    163 void NetworkWorld::loadParams(const TiXmlElement* root)
     120void MultiPlayerWorld::loadParams(const TiXmlElement* root)
    164121{
    165   PRINTF(4)("Creating a NetworkWorld\n");
     122  static_cast<GameWorld*>(this)->loadParams(root);
    166123
    167   LoadParam(root, "identifier", this, NetworkWorld, setStoryID)
    168     .describe("Sets the StoryID of this world");
     124  PRINTF(4)("Creating a MultiPlayerWorld\n");
     125}
    169126
    170   LoadParam(root, "nextid", this, NetworkWorld, setNextStoryID)
    171     .describe("Sets the ID of the next world");
    172127
    173   LoadParam(root, "path", this, NetworkWorld, setPath)
    174     .describe("The Filename of this NetworkWorld (relative from the data-dir)");
    175 }
    176128
    177129/**
    … …  
    180132 * since the load function sometimes needs data, that has been initialized
    181133 * before the load and after the proceeding storyentity has finished
    182 */
    183 ErrorMessage NetworkWorld::preLoad()
     134 */
     135ErrorMessage GameWorld::preLoad()
    184136{
    185   State::setObjectManager(&this->objectManager);
    186   this->cycle = 0;
     137  static_cast<GameWorld*>(this)->preLoad();
    187138
    188   /* init the world interface */
    189   this->shell = new Shell();
    190 
    191   LightManager::getInstance();
    192   PNode::getNullParent();
    193 
    194   AnimationPlayer::getInstance(); // initializes the animationPlayer
    195   ParticleEngine::getInstance();
    196   PhysicsEngine::getInstance();
    197 
    198   this->localCamera = new Camera();
    199   this->localCamera->setName ("NetworkWorld-Camera");
    200 
    201   State::setCamera(this->localCamera, this->localCamera->getTarget());
    202 
    203   GraphicsEngine::getInstance()->displayFPS(true);
    204   this->displayLoadScreen();
     139  /* the the single player specific stuff */
    205140}
    206141
    207142
    208143/**
    209  *  loads the NetworkWorld by initializing all resources, and set their default values.
     144 *  loads the GameWorld by initializing all resources, and set their default values.
    210145 */
    211 ErrorMessage NetworkWorld::load()
     146ErrorMessage GameWorld::load()
    212147{
    213   PRINTF(3)("> Loading world: '%s'\n", getPath());
    214   TiXmlElement* element;
    215   GameLoader* loader = GameLoader::getInstance();
     148  static_cast<GameWorld*>(this)->load();
    216149
    217   if( getPath() == NULL)
    218     {
    219       PRINTF(1)("World has no path specified for loading");
    220       return (ErrorMessage){213,"Path not specified","World::load()"};
    221     }
     150  /* the the single player specific stuff here */
    222151
    223   TiXmlDocument* XMLDoc = new TiXmlDocument( getPath());
    224   // load the campaign document
    225   if( !XMLDoc->LoadFile())
     152  /* some static world entities */
     153  for(int i = 0; i < 100; i++)
    226154  {
    227     // report an error
    228     PRINTF(1)("loading XML File: %s @ %s:l%d:c%d\n", XMLDoc->ErrorDesc(), this->getPath(), XMLDoc->ErrorRow(), XMLDoc->ErrorCol());
    229     delete XMLDoc;
    230     return (ErrorMessage){213,"XML File parsing error","NetworkWorld::load()"};
     155    WorldEntity* tmp = new NPCTest1();
     156    char npcChar[10];
     157    sprintf (npcChar, "NPC_%d", i);
     158    tmp->setName(npcChar);
     159    tmp->setAbsCoor(((float)rand()/RAND_MAX) * 5000, 50/*+ (float)rand()/RAND_MAX*20*/, ((float)rand()/RAND_MAX -.5) *30);
     160    this->spawn(tmp);
    231161  }
    232 
    233   // check basic validity
    234   TiXmlElement* root = XMLDoc->RootElement();
    235   assert( root != NULL);
    236 
    237   if( root == NULL || root->Value() == NULL || strcmp( root->Value(), "WorldDataFile"))
    238     {
    239       // report an error
    240       PRINTF(1)("Specified XML File is not an orxonox world data file (WorldDataFile element missing)\n");
    241       delete XMLDoc;
    242       return (ErrorMessage){213,"Path not a WorldDataFile","NetworkWorld::load()"};
    243     }
    244 
    245 
    246   // load the parameters
    247   // name
    248   const char* string = grabParameter( root, "name");
    249   if( string == NULL)
    250     {
    251       PRINTF(2)("World is missing a proper 'name'\n");
    252       this->setName("Unknown");
    253     }
    254   else
    255     {
    256       this->setName(string);
    257     }
    258 
    259 
    260   ////////////////
    261   // LOADSCREEN //
    262   ////////////////
    263   element = root->FirstChildElement("LoadScreen");
    264   if (element == NULL)
    265     {
    266       PRINTF(2)("no LoadScreen specified, loading default\n");
    267 
    268       glmis->setBackgroundImage("pictures/load_screen.jpg");
    269       this->glmis->setMaximum(8);
    270       this->glmis->draw();
    271     }
    272   else
    273     {
    274       this->glmis->loadParams(element);
    275       this->glmis->draw();
    276     }
    277   this->glmis->draw();
    278 
    279 
    280 
    281   ////////////////////////////
    282   // Loading Spawning Point //
    283   ////////////////////////////
    284   element = root->FirstChildElement("SpawningPoints");
    285   if( element == NULL)
    286   {
    287     PRINTF(1)("NetworkWorld is missing 'SpawningPoints'\n");
    288   }
    289   else
    290   {
    291     element = element->FirstChildElement();
    292       // load Players/Objects/Whatever
    293     PRINTF(4)("Loading Spawning Points\n");
    294     while( element != NULL)
    295     {
    296       BaseObject* created = Factory::fabricate(element);
    297       if( created != NULL )
    298       {
    299 //        if(created->isA(CL_SPAWNING_POINT))
    300 //          this->spawn(dynamic_cast<WorldEntity*>(created));
    301         printf("Created a Spawning Point %s: %s\n", created->getClassName(), created->getName());
    302       }
    303 
    304 
    305       element = element->NextSiblingElement();
    306       glmis->step(); //! @todo temporary
    307     }
    308     PRINTF(4)("Done loading NetworkWorldEntities\n");
    309   }
    310 
    311 
    312   ////////////////////////
    313   // find WorldEntities //
    314   ////////////////////////
    315   element = root->FirstChildElement("WorldEntities");
    316   if( element == NULL)
    317   {
    318     PRINTF(1)("NetworkWorld is missing 'WorldEntities'\n");
    319   }
    320   else
    321   {
    322     element = element->FirstChildElement();
    323       // load Players/Objects/Whatever
    324     PRINTF(4)("Loading NetworkWorldEntities\n");
    325     while( element != NULL)
    326     {
    327       if( NetworkManager::getInstance()->isGameServer())
    328       {
    329 
    330         BaseObject* created = NetworkGameManager::getInstance()->createEntity(element);
    331         if( created != NULL )
    332         {
    333 //          if(created->isA(CL_WORLD_ENTITY))
    334 //            this->spawn(dynamic_cast<WorldEntity*>(created));
    335           printf("Created a %s: %s\n", created->getClassName(), created->getName());
    336         }
    337         else
    338           PRINTF(1)("NetworkWorld: could not create this entity\n");
    339 
    340           // if we load a 'Player' we use it as localPlayer
    341 
    342 
    343           //todo do this more elegant
    344         if( element->Value() != NULL && !strcmp( element->Value(), "SkyBox"))
    345           sky = dynamic_cast<WorldEntity*>(created);
    346         if( element->Value() != NULL && !strcmp( element->Value(), "Terrain"))
    347         {
    348           terrain = dynamic_cast<Terrain*>(created);
    349           CDEngine::getInstance()->setTerrain(terrain);
    350 
    351         }
    352 
    353       }
    354       else if( /* !strcmp( element->Value(), "SkyBox") || */ /* !strcmp( element->Value(), "Terrain") || */ !strcmp( element->Value(), "SpaceShip"))
    355       {
    356         BaseObject* created = Factory::fabricate(element);
    357         if( created != NULL )
    358         {
    359 //          if(created->isA(CL_WORLD_ENTITY))
    360 //            this->spawn(dynamic_cast<WorldEntity*>(created));
    361           printf("Created a %s: %s\n", created->getClassName(), created->getName());
    362         }
    363         else
    364           PRINTF(1)("NetworkWorld: could not create this entity\n");
    365 
    366           // if we load a 'Player' we use it as localPlayer
    367 
    368 
    369           //todo do this more elegant
    370         if( element->Value() != NULL && !strcmp( element->Value(), "SkyBox"))
    371           sky = dynamic_cast<WorldEntity*>(created);
    372         if( element->Value() != NULL && !strcmp( element->Value(), "Terrain"))
    373         {
    374           terrain = dynamic_cast<Terrain*>(created);
    375           CDEngine::getInstance()->setTerrain(terrain);
    376         }
    377       }
    378       element = element->NextSiblingElement();
    379       glmis->step(); //! @todo temporary
    380       PRINTF(4)("Done loading NetworkWorldEntities\n");
    381     }
    382   }
    383 
    384 
    385     //////////////////////////////
    386     // LOADING ADDITIONAL STUFF //
    387     //////////////////////////////
    388 
    389     LoadParamXML(root, "LightManager", LightManager::getInstance(), LightManager, loadParams);
    390 
    391    LoadParamXML(root, "ParticleEngine", ParticleEngine::getInstance(), ParticleEngine, loadParams);
    392 //   LoadParamXML(root, "PhysicsEngine", PhysicsEngine::getInstance(), PhysicsEngine, loadParams);
    393 
    394   // free the XML data
    395 
    396   delete XMLDoc;
    397   /* GENERIC LOADING PROCESS FINISHED */
    398 
    399 
    400   // Create a Player
    401   this->localPlayer = new Player();
    402 
    403   Playable* playable;
    404   const list<BaseObject*>* playableList = ClassList::getList(CL_PLAYABLE);
    405   if (playableList != NULL)
    406   {
    407     playable = dynamic_cast<Playable*>(playableList->front());
    408     this->localPlayer->setControllable(playable);
    409   }
    410 
    411 
    412 //   //localCamera->setParent(TrackNode::getInstance());
    413 //  tn->addChild(this->localCamera);
    414   localCamera->setClipRegion(1, 10000.0);
    415 //  localCamera->lookAt(playable);
    416 //  this->localPlayer->setParentMode(PNODE_ALL);
    417   if (this->sky != NULL)
    418   {
    419     this->localCamera->addChild(sky);
    420   }
    421   SoundEngine::getInstance()->setListener(this->localCamera);
    422 
    423 
    424 
    425   ////////////
    426   // STATIC //
    427   ////////////
    428 
    429 
    430 //   TestEntity* testEntity = new TestEntity();
    431 //   testEntity->setRelCoor(Vector(570, 10, -15));
    432 //   testEntity->setRelDir(Quaternion(M_PI, Vector(0, 1, 0)));
    433 //   this->spawn(testEntity);
    434 
    435 //   for(int i = 0; i < 100; i++)
    436 //   {
    437 //     WorldEntity* tmp = NetworkGameManager::;
    438 //     char npcChar[10];
    439 //     sprintf (npcChar, "NPC_%d", i);
    440 //         tmp->setName(npcChar);
    441 //     tmp->setAbsCoor(((float)rand()/RAND_MAX) * 5000, 50/*+ (float)rand()/RAND_MAX*20*/, ((float)rand()/RAND_MAX -.5) *30);
    442 //     this->spawn(tmp);
    443 //   }
    444 
    445   this->music = NULL;
    446   //(OggPlayer*)ResourceManager::getInstance()->load("sound/00-luke_grey_-_hypermode.ogg", OGG, RP_LEVEL);
    447   //music->playback();
    448 }
    449 
    450 ErrorMessage NetworkWorld::postLoad()
    451 {
    452   /*monitor progress*/
    453   this->glmis->step();
    454   // stuff beyond this point remains to be loaded properly
    455 
    456   // LIGHT initialisation
    457   LightManager::getInstance()->setAmbientColor(.1,.1,.1);
    458 //  LightManager::getInstance()->addLight();
    459   LightManager::getInstance()->debug();
    460 
    461   this->releaseLoadScreen();
    462162}
    463163
    464164
    465165/**
    466  *  initializes a new NetworkWorld shortly before start
    467  *
    468  * this is the function, that will be loaded shortly before the world is
    469  * started
    470 */
    471 ErrorMessage NetworkWorld::preStart()
     166 *  post loads the GameWorld by initializing all resources, and set their default values.
     167 */
     168ErrorMessage GameWorld::postLoad()
    472169{
    473   this->bPause = false;
     170  static_cast<GameWorld*>(this)->postLoad();
    474171
    475   /* update the object position before game start - so there are no wrong coordinates used in the first processing */
    476   PNode::getNullParent()->updateNode (0.001f);
    477   PNode::getNullParent()->updateNode (0.001f);
     172  /* the single player specific stuff here */
    478173}
    479174
    480 
    481 /**
    482  *  starts the NetworkWorld
    483  */
    484 ErrorMessage NetworkWorld::start()
    485 {
    486   this->bQuitWorld = false;
    487   this->mainLoop();
    488 }
    489 
    490 /**
    491  *  stops the world.
    492 
    493    This happens, when the player decides to end the Level.
    494 */
    495 ErrorMessage NetworkWorld::stop()
    496 {
    497   PRINTF(3)("NetworkWorld::stop() - got stop signal\n");
    498   this->bQuitWorld= true;
    499 }
    500 
    501 /**
    502  *  pauses the Game
    503 */
    504 ErrorMessage NetworkWorld::pause()
    505 {
    506   this->isPaused = true;
    507 }
    508 
    509 /**
    510  *  ends the pause Phase
    511 */
    512 ErrorMessage NetworkWorld::resume()
    513 {
    514   this->isPaused = false;
    515 }
    516 
    517 /**
    518  *  destroys the NetworkWorld
    519 */
    520 ErrorMessage NetworkWorld::destroy()
    521 {
    522 
    523 }
    524 
    525 /**
    526  *  shows the loading screen
    527 */
    528 void NetworkWorld::displayLoadScreen ()
    529 {
    530   PRINTF(3)("NetworkWorld::displayLoadScreen - start\n");
    531 
    532   //GLMenuImageScreen*
    533   this->glmis = new GLMenuImageScreen();
    534   this->glmis->setMaximum(8);
    535 
    536   PRINTF(3)("NetworkWorld::displayLoadScreen - end\n");
    537 }
    538 
    539 /**
    540  * @brief removes the loadscreen, and changes over to the game
    541  *
    542  * @todo take out the delay
    543 */
    544 void NetworkWorld::releaseLoadScreen ()
    545 {
    546   PRINTF(3)("NetworkWorld::releaseLoadScreen - start\n");
    547   this->glmis->setValue(this->glmis->getMaximum());
    548   PRINTF(3)("NetworkWorld::releaseLoadScreen - end\n");
    549   delete this->glmis;
    550 }
    551 
    552 
    553 /**
    554  *  this returns the current game time
    555  * @returns elapsed game time
    556 */
    557 double NetworkWorld::getGameTime()
    558 {
    559   return this->gameTime;
    560 }
    561 
    562 /**
    563   \brief main loop of the world: executing all world relevant function
    564   in this loop we synchronize (if networked), handle input events, give the heart-beat to
    565   all other member-entities of the world (tick to player, enemies etc.), checking for
    566   collisions drawing everything to the screen.
    567 */
    568 void NetworkWorld::mainLoop()
    569 {
    570   this->lastFrame = SDL_GetTicks ();
    571   PRINTF(3)("World::mainLoop() - Entering main loop\n");
    572 
    573   while(!this->bQuitWorld) /* @todo implement pause */
    574   {
    575     ++this->cycle;
    576       // Network
    577     this->synchronize ();
    578       // Process input
    579     this->handleInput ();
    580     if( this->bQuitWorld)
    581       break;
    582       // Process time
    583     this->tick ();
    584       // Process collision
    585     this->collide ();
    586       // Update the state
    587     this->update ();
    588       // Draw
    589     this->display ();
    590   }
    591 
    592   PRINTF(3)("NetworkWorld::mainLoop() - Exiting the main loop\n");
    593 }
    594 
    595 
    596 /**
    597  *  synchronize local data with remote data
    598 */
    599 void NetworkWorld::synchronize ()
    600 {
    601   // Get remote input
    602   // Update synchronizables
    603   NetworkManager::getInstance()->synchronize();
    604 }
    605 
    606 
    607 /**
    608  *  run all input processing
    609 
    610    the command node is the central input event dispatcher. the node uses the even-queue from
    611    sdl and has its own event-passing-queue.
    612 */
    613 void NetworkWorld::handleInput ()
    614 {
    615   EventHandler::getInstance()->process();
    616 
    617   // remoteinput
    618 }
    619 
    620 void NetworkWorld::tick(std::list<WorldEntity*> entityList, float dt)
    621 {
    622   std::list<WorldEntity*>::iterator entity;
    623   for (entity = entityList.begin(); entity != entityList.end(); entity++)
    624     (*entity)->tick(dt);
    625 
    626 }
    627 
    628 /**
    629  *  advance the timeline
    630 
    631    this calculates the time used to process one frame (with all input handling, drawing, etc)
    632    the time is mesured in ms and passed to all world-entities and other classes that need
    633    a heart-beat.
    634 */
    635 void NetworkWorld::tick ()
    636 {
    637   Uint32 currentFrame = SDL_GetTicks();
    638   if(!this->bPause)
    639     {
    640       this->dt = currentFrame - this->lastFrame;
    641 
    642       if( this->dt > 10)
    643         {
    644           float fps = 1000/dt;
    645 
    646           // temporary, only for showing how fast the text-engine is
    647           char tmpChar[20];
    648           sprintf(tmpChar, "fps: %4.0f", fps);
    649         }
    650       else
    651         {
    652           /* the frame-rate is limited to 100 frames per second, all other things are for
    653              nothing.
    654           */
    655           PRINTF(3)("fps = 1000 - frame rate is adjusted\n");
    656           SDL_Delay(10-dt);
    657           this->dt = 10;
    658         }
    659 
    660       this->dtS = (float)this->dt / 1000.0 * this->speed;
    661       this->gameTime += this->dtS;
    662 
    663       this->tick(this->objectManager.getObjectList(OM_DEAD_TICK), this->dtS);
    664       this->tick(this->objectManager.getObjectList(OM_COMMON), this->dtS);
    665       this->tick(this->objectManager.getObjectList(OM_GROUP_00), this->dtS);
    666       this->tick(this->objectManager.getObjectList(OM_GROUP_01), this->dtS);
    667       this->tick(this->objectManager.getObjectList(OM_GROUP_01_PROJ), this->dtS);
    668 
    669       /* update tick the rest */
    670       this->localCamera->tick(this->dtS);
    671       // tick the engines
    672       AnimationPlayer::getInstance()->tick(this->dtS);
    673 //      if (this->cycle > 5)
    674         PhysicsEngine::getInstance()->tick(this->dtS);
    675 
    676       ParticleEngine::getInstance()->tick(this->dtS);
    677 
    678 
    679       /** actualy the Graphics Engine should tick the world not the other way around...
    680          but since we like the things not too complicated we got it this way around
    681          until there is need or time to do it the other way around.
    682          @todo: GraphicsEngine ticks world: separation of processes and data...
    683 
    684         bensch: in my opinion the GraphicsEngine could draw the world, but not tick it,
    685          beceause graphics have nothing(or at least not much) to do with Motion.
    686       */
    687       GraphicsEngine::getInstance()->tick(this->dtS);
    688     }
    689   this->lastFrame = currentFrame;
    690 }
    691 
    692 
    693 /**
    694  *  this function gives the world a consistant state
    695 
    696    after ticking (updating the world state) this will give a constistant
    697    state to the whole system.
    698 */
    699 void NetworkWorld::update()
    700 {
    701   GraphicsEngine::getInstance()->update(this->dtS);
    702   PNode::getNullParent()->updateNode (this->dtS);
    703   SoundEngine::getInstance()->update();
    704   //music->update();
    705 }
    706 
    707 
    708 void NetworkWorld::collide()
    709 {
    710   CDEngine::getInstance()->checkCollisions(this->objectManager.getObjectList(OM_GROUP_00),
    711                                             this->objectManager.getObjectList(OM_GROUP_01_PROJ));
    712   CDEngine::getInstance()->checkCollisions(this->objectManager.getObjectList(OM_GROUP_01),
    713                                             this->objectManager.getObjectList(OM_COMMON));
    714 }
    715 
    716 /**
    717  *  render the current frame
    718 
    719    clear all buffers and draw the world
    720 */
    721 void NetworkWorld::display ()
    722 {
    723   // clear buffer
    724   glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
    725   // set camera
    726   this->localCamera->apply ();
    727   // draw world
    728   this->draw();
    729   // draw HUD
    730   /** @todo draw HUD */
    731   // flip buffers
    732   GraphicsEngine::swapBuffers();
    733   //SDL_Surface* screen = Orxonox::getInstance()->getScreen ();
    734   //SDL_Flip (screen);
    735 }
    736 
    737 
    738 /**
    739  *  runs through all entities calling their draw() methods
    740  */
    741 void NetworkWorld::draw ()
    742 {
    743   GraphicsEngine* engine = GraphicsEngine::getInstance();
    744   engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK));
    745   engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON));
    746   engine->draw(State::getObjectManager()->getObjectList(OM_COMMON));
    747   engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_00));
    748   engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01));
    749   engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ));
    750 
    751    if( unlikely( this->showBV))  // to draw the bounding boxes of the objects at level 2 for debug purp
    752    {
    753      CDEngine* engine = CDEngine::getInstance();
    754      engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK));
    755      engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON));
    756      engine->drawBV(State::getObjectManager()->getObjectList(OM_COMMON));
    757      engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_00));
    758      engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01));
    759      engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ));
    760    }
    761 
    762 //   {
    763 //     if( entity->isVisible() ) entity->draw();
    764   //FIXME
    765 //     entity = iterator->nextElement();
    766 //   }
    767 
    768   ParticleEngine::getInstance()->draw();
    769 
    770   if (unlikely(this->showPNodes))
    771     PNode::getNullParent()->debugDraw(0);
    772 
    773   engine->draw();
    774   //TextEngine::getInstance()->draw();
    775 }
    776 
    777 void NetworkWorld::setPath( const char* name)
    778 {
    779   if (this->path)
    780     delete this->path;
    781   if (ResourceManager::isFile(name))
    782   {
    783     this->path = new char[strlen(name)+1];
    784     strcpy(this->path, name);
    785   }
    786   else
    787     {
    788       this->path = new char[strlen(ResourceManager::getInstance()->getDataDir()) + strlen(name) +1];
    789       sprintf(this->path, "%s%s", ResourceManager::getInstance()->getDataDir(), name);
    790     }
    791 }
    792 
    793 const char* NetworkWorld::getPath( void)
    794 {
    795   return path;
    796 }
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