game.cpp

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