Tileset.world_cameray -=4;
Tileset.world_cameray +=4;
Tileset.world_camerax -=4;
Tileset.world_camerax +=4;

///////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//draws the lvl 1 tile set
void draw_tiles(void)
{


	for(Tileset.layer=0; Tileset.layer<Layer;Tileset.layer++){
		for(Tileset.y=0; Tileset.y < Tileset.Screen_sizey;Tileset.y++){		
			for(Tileset.x=0; Tileset.x < Tileset.Screen_sizex; Tileset.x++){  
				
      
      Tileset.scroll_x = Tileset.x + (Tileset.world_camerax/Tileset.Tile_size  );//this allows scrolling on y axis
      Tileset.scroll_y = Tileset.y + (Tileset.world_cameray/Tileset.Tile_size );//this allows scrolling on x axis
      
      Tileset.offset_x =Tileset.scroll_x  % Tileset.Tile_size;       
      Tileset.offset_y =Tileset.scroll_y  % Tileset.Tile_size;   
          
             
          Tileset.tiles = map[Tileset.layer][Tileset.scroll_y][Tileset.scroll_x];
     

 
    tile_src.left = ((Tileset.tiles - 1)%4) *Tileset.Tile_size;
    tile_src.top =  ((Tileset.tiles - 1) /4) * Tileset.Tile_size ;
    tile_src.right = tile_src.left + Tileset.Tile_size;
    tile_src.bottom = tile_src.top + Tileset.Tile_size  ; 

dstr.left= (Tileset.x*Tileset.Tile_size)- Tileset.offset_x;
dstr.top= (Tileset.y*Tileset.Tile_size)- Tileset.offset_y ;
dstr.right = (Tileset.x*Tileset.Tile_size) + (tile_src.right - tile_src.left) ;
dstr.bottom = (Tileset.y*Tileset.Tile_size)  + (tile_src.bottom - tile_src.top)  ;

lpBackBuffer->Blt(&dstr,g_pddTile,&tile_src,DDBLT_WAIT|DDBLT_KEYSRC,NULL);  
}  
 }
	}
} 


#include <iostream>
#include <stdlib.h>
#include <string>
#include <windows.h>
#include <mmsystem.h>
#include <fstream>

struct Tile
{
int Tile_size;
int Screen_sizex;
int Screen_sizey;
int world_camerax;
int world_cameray;
int scroll_x;
int scroll_y;
int offset_x;
int offset_y;
int tiles;
int x;
int y;
int layer;
bool wakable;
}; 
  int move = 0; 
//Tile_size,world_sizex,world_sizey,Screen_sizex,Screen_sizey               
Tile Tileset = { 125,25, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, true };
const int Mapx = 50;
const int Mapy = 47;
const int Layer =3;

int map[Layer][Mapy][Mapx];

ifstream MapFile("maps\\level1.txt");