game.cpp

   1 #include "game.h"
   2 #include "geometry.h"
   3 #include "luaenv.h"
   4 #include "timer.h"
   5 #include "controleteclado.h"
   6 #include "controlewii.h"
   7 #include "shotmanager.h"
   8
   9 void Game::loadMap(std::string mapname) {
  10         if (mapa != NULL)
  11                 delete mapa;
  12         mapa = new Mapa(mapname,this);
  13 }
  14
  15 void Game::addPlatform(Platform* plat) {
  16         gravityManager->addPlatform(plat);
  17 }
  18
  19 void Game::removePlatforms() {
  20         gravityManager->removePlatforms();
  21 }
  22
  23 bool init_GL() {
  24     //Set clear color
  25     glClearColor( 1, 1, 1, 0 );
  26
  27     //Initialize modelview matrix
  28     glMatrixMode( GL_MODELVIEW );
  29     glLoadIdentity();
  30
  31     //Linhas
  32     glLineWidth(2.5);
  33     glEnable(GL_LINE_SMOOTH);
  34     glEnable(GL_BLEND);
  35     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  36     glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
  37
  38     //If there was any errors
  39     if( glGetError() != GL_NO_ERROR )
  40     {
  41         return false;
  42     }
  43
  44     //If everything initialized
  45     return true;
  46 }
  47
  48 Game::Game(ConfigManager *cfg) {
  49         gravityManager = new GravityManager;
  50         mapa = NULL;
  51         player = NULL;
  52         config = cfg;
  53     //Initialize SDL
  54     if( SDL_Init( SDL_INIT_EVERYTHING ) < 0 )
  55     {
  56         //erro
  57     }
  58
  59     //Create Window
  60     if( SDL_SetVideoMode( config->screen["width"], config->screen["height"], config->screen["bpp"], SDL_OPENGL ) == NULL )
  61     {
  62         //erro
  63     }
  64
  65     //Initialize OpenGL
  66     if( !init_GL() )
  67     {
  68         //erro
  69     }
  70
  71     //Set caption
  72     SDL_WM_SetCaption( "Prototipo Jogo", NULL );
  73 }
  74
  75 void Game::desenhaMira(Ponto aim) {
  76         glPushMatrix();
  77                 glTranslatef(camera.x+aim.x,camera.y+aim.y,0);
  78                 drawCircle(10,10);
  79         glPopMatrix();
  80 }
  81
  82 void Game::show() {
  83         glClear( GL_COLOR_BUFFER_BIT );
  84     double x, y;
  85         int width = config->screen["width"];
  86         int height = config->screen["height"];
  87
  88     if (player->getX() <= width/2)
  89         x = 0;
  90     else if (player->getX() >= mapa->xmax() - width/2)
  91         x = mapa->xmax() - width;
  92     else
  93         x = player->getX() - width/2;
  94
  95     if (player->getY() <= 2*height/3)
  96         y = 0;
  97     else if (player->getY() >= mapa->ymax() - height/3)
  98         y = mapa->ymax() - height;
  99     else
 100         y = player->getY() - 2*height/3;
 101         camera.x = x;
 102         camera.y = y;
 103         player->desenha();
 104         mapa->desenha();
 105         shotManager->desenha();
 106
 107     glMatrixMode( GL_PROJECTION );
 108     glLoadIdentity();
 109     glOrtho( camera.x, camera.x+width, camera.y+height, camera.y, -1, 1 );
 110         SDL_GL_SwapBuffers();
 111 }
 112
 113 void Game::reloadLua() {
 114         config->load();
 115         loadMap(config->maps.front());
 116         weaponManager->loadWeapons();
 117         shotManager->clearShots();
 118         player->equip(weaponManager->getWeapon("Shotgun"));
 119 }
 120
 121 void Game::setSpawn(Ponto spawn) {
 122         this->spawn = spawn;
 123 }
 124
 125 void Game::mainLoop() {
 126         Timer fps;
 127
 128         loadMap(config->maps.front());
 129
 130         player = new Player(this, spawn, config->player["speed"]);
 131         Controle *c;
 132         if (true)
 133                 c = new ControleTeclado(*player);
 134         else
 135                 c = new ControleWii(*player);
 136
 137         shotManager = new ShotManager;
 138         weaponManager = new WeaponManager(this);
 139         collisionManager = new CollisionManager;
 140         weaponManager->loadWeapons();
 141         player->equip(weaponManager->getWeapon("Shotgun"));
 142
 143         collisionManager->subscribe(player);
 144         bool quit = false;
 145         while (!quit) {
 146                 fps.start();
 147                 //player events
 148                 c->handleEvents();
 149
 150                 //collision, gravity
 151                 gravityManager->update();
 152                 collisionManager->update();
 153
 154                 //movements
 155                 player->move();
 156                 shotManager->move();
 157                 quit = c->getQuit();
 158                 show();
 159                 if (fps.get_ticks() < 1000 / config->screen["fps"] ) {
 160                         SDL_Delay( ( 1000 / config->screen["fps"] ) - fps.get_ticks() );
 161                 }
 162         }
 163         SDL_Quit();
 164 }