Tileset.cpp

   1 #include "Tileset.h"
   2 #include "Game.h"
   3
   4 namespace botor
   5 {
   6
   7         Tileset::Tileset() {}
   8         Tileset::Tileset( const char* ftile )
   9         {
  10                 load( ftile );
  11         }
  12
  13         //template<unsigned int TILE_WIDTH, unsigned int TILE_HEIGHT>
  14         void Tileset::unload()
  15         {
  16                 if( tileset )
  17                         SDL_FreeSurface( tileset );
  18         }
  19
  20         //template<unsigned int TILE_WIDTH, unsigned int TILE_HEIGHT>
  21         bool Tileset::load( const char* ftile )
  22         {
  23                 if( tileset )
  24                         SDL_FreeSurface( tileset );
  25
  26                 tileset = IMG_Load( ftile );
  27
  28                 if( tileset )
  29                 {
  30                         SET_WIDTH = tileset->w / TILE_WIDTH;
  31                         SET_HEIGHT = tileset->h / TILE_HEIGHT;
  32
  33                         return true;
  34                 }
  35                 else
  36                         return false;
  37         }
  38
  39         //template<unsigned int TILE_WIDTH, unsigned int TILE_HEIGHT>
  40         void Tileset::Draw( Sint16 x, Sint16 y, unsigned int tileID )
  41         {
  42                 SDL_Rect tileRect;
  43
  44                 if(!tileset)
  45                         return; //throw error?
  46
  47
  48                 tileRect.x = (tileID % SET_WIDTH) * TILE_WIDTH;
  49                 tileRect.y = ((int)(tileID / SET_WIDTH)) * TILE_HEIGHT;
  50                 tileRect.w = TILE_WIDTH;
  51                 tileRect.h = TILE_HEIGHT;
  52
  53                 Game::getVideo()->Blit( tileset, &tileRect, x, y );
  54         }
  55
  56 }