///load_chunk(cx,cy);

var cx = argument0
var cy = argument1

var chunk_grid = ds_grid_create(256,256);
var filename = string(cx)+","+string(cy)+".spr";
if(file_exists(filename)) // Load Chunk
{
    ini_open(filename); 
    for(var xx = 0; xx < 256; xx++)
    {
        for(var yy = 0; yy < 256; yy++)
        {   
            var nm = string(xx)+string(yy);
            var c = ini_read_real("XYV",nm,0);
            chunk_grid[xx,yy] = c;
            if(c != 0)
                instance_create(xx,yy,c);
        }
    }
    ini_close();
}
else // Generate Chunk
{
    ini_open(filename); 
    for(var xx = 0; xx < 256; xx++)
    {
        for(var yy = 0; yy < 256; yy++)
        {   
            var nm = string(xx)+string(yy);
            if(random_range(0,10) > 5)
            {
                ini_write_real("XYV",nm,obj_asteriod);
                chunk_grid[xx,yy] = obj_asteriod;
                instance_create(cx+xx,cy+yy,obj_asteriod);
            }
            else
            {
                ini_write_real("XYV",nm,0);;
                chunk_grid[xx,yy] = 0;
            }
        }
    }
    ini_close();
}   
return chunk_grid;