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 #include "weaponitem.h"
   9
  10 void Game::loadMap(std::string mapname) {
  11         if (mapa != NULL)
  12                 delete mapa;
  13         mapa = new Mapa(mapname,this);
  14 }
  15
  16 void Game::addPlatform(Platform* plat) {
  17         gravityManager->addPlatform(plat);
  18 }
  19
  20 void Game::removePlatforms() {
  21         gravityManager->removePlatforms();
  22 }
  23
  24 bool init_GL() {
  25     //Set clear color
  26     glClearColor( 1, 1, 1, 0 );
  27
  28     //Initialize modelview matrix
  29     glMatrixMode( GL_MODELVIEW );
  30     glLoadIdentity();
  31
  32         //Z-buffer
  33         glEnable(GL_DEPTH_TEST);
  34         glDepthFunc(GL_LEQUAL);
  35
  36     //Linhas
  37     glLineWidth(2.5);
  38     glEnable(GL_LINE_SMOOTH);
  39     glEnable(GL_BLEND);
  40     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  41     glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
  42
  43     //If there was any errors
  44     if( glGetError() != GL_NO_ERROR )
  45     {
  46         return false;
  47     }
  48
  49     //If everything initialized
  50     return true;
  51 }
  52
  53 Game::Game(ConfigManager *cfg) {
  54         gravityManager = new GravityManager;
  55         mapa = NULL;
  56         player = NULL;
  57         config = cfg;
  58     //Initialize SDL
  59     if( SDL_Init( SDL_INIT_EVERYTHING ) < 0 )
  60     {
  61         //erro
  62     }
  63
  64     //Create Window
  65     if( SDL_SetVideoMode( config->screen["width"], config->screen["height"], config->screen["bpp"], SDL_OPENGL | SDL_RESIZABLE ) == NULL )
  66     {
  67         //erro
  68     }
  69
  70     //Initialize OpenGL
  71     if( !init_GL() )
  72     {
  73         //erro
  74     }
  75
  76     //Set caption
  77     SDL_WM_SetCaption( "Prototipo Jogo", NULL );
  78 }
  79
  80 void Game::desenhaMira(Ponto aim) {
  81         glPushMatrix();
  82                 glTranslatef(aim.x,aim.y,0);
  83                 drawCircle(10,10);
  84         glPopMatrix();
  85 }
  86
  87 void Game::show() {
  88         glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
  89     double x, y;
  90         int width = config->screen["width"];
  91         int height = config->screen["height"];
  92
  93     if (player->getX() <= width/2)
  94         x = 0;
  95     else if (player->getX() >= mapa->xmax() - width/2)
  96         x = mapa->xmax() - width;
  97     else
  98         x = player->getX() - width/2;
  99
 100     if (player->getY() <= 2*height/3)
 101         y = 0;
 102     else if (player->getY() >= mapa->ymax() - height/3)
 103         y = mapa->ymax() - height;
 104     else
 105         y = player->getY() - 2*height/3;
 106         camera.x = x;
 107         camera.y = y;
 108         player->desenha();
 109         mapa->desenha();
 110         shotManager->desenha();
 111
 112     glMatrixMode( GL_PROJECTION );
 113     glLoadIdentity();
 114     glOrtho( camera.x, camera.x+width, camera.y+height, camera.y, -2, 2 );
 115         SDL_GL_SwapBuffers();
 116 }
 117
 118 void Game::reloadLua() {
 119         config->load();
 120         resize(config->screen["width"], config->screen["height"]);
 121         loadMap(config->maps.front());
 122         weaponManager->loadWeapons();
 123         shotManager->clearShots();
 124         player->equip(weaponManager->getWeapon("Shotgun"));
 125 }
 126
 127 void Game::setSpawn(Ponto spawn) {
 128         this->spawn = spawn;
 129 }
 130
 131 void Game::resize(GLsizei x, GLsizei y) {
 132         config->screen["width"] = x;
 133         config->screen["height"] = y;
 134         SDL_SetVideoMode(x, y, config->screen["bpp"], SDL_OPENGL | SDL_RESIZABLE);
 135         glViewport(0, 0, x, y);
 136 }
 137
 138 WeaponItem* Game::dropWeapon(std::string name) {
 139         return weaponManager->getItem(name);
 140 }
 141
 142 void Game::mainLoop() {
 143         Timer fps;
 144         shotManager = new ShotManager;
 145         weaponManager = new WeaponManager(this);
 146         collisionManager = new CollisionManager;
 147         weaponManager->loadWeapons();
 148         loadMap(config->maps.front());
 149
 150         player = new Player(this, spawn, config->player["speed"]);
 151         Controle *c;
 152         if (false)
 153                 c = new ControleTeclado(*player);
 154         else
 155                 c = new ControleWii(*player);
 156         player->equip(weaponManager->getWeapon("Shotgun"));
 157
 158         collisionManager->subscribe(player);
 159         std::list<WeaponItem*>::iterator itW;
 160         for (itW = mapa->items.begin(); itW != mapa->items.end(); itW++) {
 161                 collisionManager->subscribe(*itW);
 162                 gravityManager->subscribe(*itW);
 163         }
 164
 165         bool quit = false;
 166         rate = 1.0;
 167         while (!quit) {
 168                 int ifps = config->screen["fps"];
 169                 fps.start();
 170                 //player events
 171                 c->handleEvents();
 172
 173                 //collision, gravity
 174                 gravityManager->update();
 175                 collisionManager->update();
 176
 177                 player->animate();
 178
 179                 //movements
 180                 player->move();
 181                 shotManager->move();
 182                 mapa->move();
 183                 quit = c->getQuit();
 184                 show();
 185                 rate = ((double)fps.get_ticks())/ifps;
 186                 if (rate < 1.0)
 187                         rate = 1.0;
 188                 if (fps.get_ticks() < 1000 / ifps ) {
 189                         SDL_Delay( ( 1000 / ifps ) - fps.get_ticks() );
 190                 }
 191         }
 192         SDL_Quit();
 193 }