Game.cpp

   1 #include <time.h>
   2 #include <iostream>
   3 #include <assert.h>
   4 #include "SDLVideoOut.h"
   5 #include "Game.h"
   6
   7 namespace botor
   8 {
   9
  10         SDLVideoOut *Game::video = 0;
  11         Tileset Game::tileset;
  12         Map Game::map;
  13         Player Game::player;
  14
  15
  16     Game::Game()
  17     {
  18         Game::video = new SDLVideoOut( 800, 600, 32 );
  19     }
  20
  21     Game::~Game()
  22     {
  23         delete Game::video;
  24     }
  25
  26     void Game::Initialize()
  27     {
  28         Game::tileset.load( "global.bmp" );
  29         Game::map.load( "map.txt" );
  30         Game::player.Teleport( 2,1 );
  31     }
  32
  33     void Game::DeInitialize()
  34     {
  35         Game::map.unload();
  36         SDL_FreeSurface( bmp );
  37     }
  38
  39     void Game::Update()
  40     {
  41         SDL_Event event;
  42
  43         while( SDL_PollEvent( &event ) )
  44         {
  45                 HandleInput( &event );
  46                 Game::player.HandleInput( &event );
  47         }
  48
  49         Game::map.Update();
  50         Game::player.Update();
  51
  52
  53     }
  54
  55     void Game::HandleInput( SDL_Event *event )
  56     {
  57         switch (event->type)
  58         {
  59                 // exit if the window is closed
  60                 case SDL_QUIT:
  61                 game_is_running = false;
  62                 break;
  63
  64                 // check for keypresses
  65                 case SDL_KEYDOWN:
  66                 {
  67                         // exit if ESCAPE is pressed
  68                         if (event->key.keysym.sym == SDLK_ESCAPE)
  69                         game_is_running = false;
  70                         break;
  71                 }
  72         } // end switch
  73     }
  74
  75     void Game::Draw()
  76     {
  77         if( !Game::video )
  78                 return;
  79
  80         Game::video->Clear( Game::video->MapRGB( 255, 255, 255 ) );
  81
  82         Game::map.Draw( );
  83
  84         Game::player.Draw( );
  85
  86         Game::video->Flip();
  87
  88
  89     }
  90
  91     void Game::run()
  92     {
  93         int loops;
  94
  95         Initialize();
  96
  97         game_is_running = true;
  98
  99         nextUpdate = clock();
 100
 101         while( game_is_running )
 102         {
 103             loops = 0;
 104
 105             while( clock() > nextUpdate && loops < MAX_FRAMESKIP )
 106             {
 107                 Update();
 108
 109                 nextUpdate += SKIP_FRAMES;
 110
 111                 loops++;
 112             }
 113
 114             Draw();
 115         }
 116
 117         DeInitialize();
 118
 119     }
 120
 121     SDLVideoOut *Game::getVideo()
 122     {
 123         return Game::video;
 124     }
 125
 126     Tileset *Game::getTileset()
 127     {
 128         return &Game::tileset;
 129     }
 130
 131     Map *Game::getMap()
 132     {
 133         return &Game::map;
 134     }
 135
 136     Player *Game::getPlayer()
 137     {
 138         return &Game::player;
 139     }
 140
 141 }