game.cpp

   1 #include "game.h"
   2 #include "geometry.h"
   3 #include "plataformas.h"
   4 #include "luaenv.h"
   5 #include "timer.h"
   6
   7 const int SCREEN_WIDTH = 640;
   8 const int SCREEN_HEIGHT = 480;
   9 const int SCREEN_BPP = 32;
  10 const int FRAMES_PER_SECOND = 60;
  11
  12
  13 const double alturachao = 400.0;
  14
  15 Linha chao(0.0,alturachao,SCREEN_WIDTH,alturachao);
  16 std::vector<Linha> mapa;
  17
  18 bool init_GL()
  19 {
  20     //Set clear color
  21     glClearColor( 1, 1, 1, 0 );
  22
  23     //Set projection
  24     glMatrixMode( GL_PROJECTION );
  25     glLoadIdentity();
  26     glOrtho( 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, -1, 1 );
  27
  28     //Initialize modelview matrix
  29     glMatrixMode( GL_MODELVIEW );
  30     glLoadIdentity();
  31
  32     //If there was any errors
  33     if( glGetError() != GL_NO_ERROR )
  34     {
  35         return false;
  36     }
  37
  38     //If everything initialized
  39     return true;
  40 }
  41
  42 Game::Game()
  43 {
  44
  45     //Initialize SDL
  46     if( SDL_Init( SDL_INIT_EVERYTHING ) < 0 )
  47     {
  48         //erro
  49     }
  50
  51     //Create Window
  52     if( SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_OPENGL ) == NULL )
  53     {
  54         //erro
  55     }
  56
  57     //Initialize OpenGL
  58     if( init_GL() == false )
  59     {
  60         //erro
  61     }
  62
  63     //Set caption
  64     SDL_WM_SetCaption( "Prototipo Jogo", NULL );
  65
  66 }
  67
  68 void Game::show() {
  69         glClear( GL_COLOR_BUFFER_BIT );
  70         std::vector<Linha>::iterator it;
  71         for (it = mapa.begin(); it != mapa.end(); it++)
  72                 it->desenha();
  73         glPushMatrix();
  74                 glTranslatef(300,300,0);
  75                 drawCircle(20,30);
  76         glPopMatrix();
  77         SDL_GL_SwapBuffers();
  78 }
  79
  80 void Game::update(){
  81
  82 }
  83
  84
  85 void Game::mainLoop() {
  86         luaRun luaEnv;
  87         luaEnv.registerScripts();
  88         luaEnv.loadScripts();
  89         mapa = geraMapa(20);
  90         mapa.push_back(chao);
  91         Timer fps;
  92         SDL_Event event;
  93         bool quit = false;
  94         while (!quit) {
  95                 fps.start();
  96                 while( SDL_PollEvent( &event ) )
  97                 {
  98                         if( event.type == SDL_QUIT )
  99                         {
 100                 quit = true;
 101             }
 102                 }
 103                 show();
 104                 if (fps.get_ticks() < 1000 / FRAMES_PER_SECOND ) {
 105                         SDL_Delay( ( 1000 / FRAMES_PER_SECOND ) - fps.get_ticks() );
 106                 }
 107         }
 108 }