DexTool/Project/scripts/boxes_spawn/boxes_spawn.gml

///boxes_spawn()
function boxes_spawn() {

	window_set_cursor(cr_hourglass);

	if (file_exists(working_directory+"/Logs/MissingSprites.log"))
	    file_delete(working_directory+"/Logs/MissingSprites.log");

	/// SPAWN SLOTS

	var pos_x = 0;
	var pos_y = 0;

	global.current = 1;

	var jump = true;
	var gen_current = 0;

	for (global.box_count=1; global.current<global.dex_len; global.box_count++)
	{
	    // Headers
	    with (instance_create(0, 0, obj_header))
	    {
	        global.box_header[global.box_count] = self;
	        number = global.box_count;
	        image_index = get_gen(global.dexdata[global.current, dex.dexno])-1;
	        //show_debug_message("Spawned Box "+string(global.box_count)+" with PKMN #"+string(global.dexdata[global.current, dex.dexno])+" from Gen "+string(get_gen(global.dexdata[global.current, dex.dexno])))
	        image_speed = 0;
        
	        if (check_genfirst(global.dexdata[global.current, dex.pokemon], false))
	            global.gen_header[gen_current++] = global.box_count;
            
	        jump = false;
	    }
    
    
	    for (var i=0; i<5; i++) // Box Y
	        for (var j=0; j<6; j++) // Box X
	        {
	            if (global.current<global.dex_len && !jump)
	            {
	                while(!check_skip(global.current) /*|| global.savedata[global.current]*/)
	                    global.current++;
                
	                if (!check_jump(j, i, global.current))
	                {
	                    if (show_check(global.current, global.show_dex))
	                        make_slot(j, i, global.current);
                        
	                    global.current++;
	                }
	                else
	                    jump = true;
	            }
	        }
	}

	global.gen_header[gen_current] = global.box_count-1; // Last header.

	window_set_cursor(cr_default);


}