draw_depth

/// @arg instance
/// @arg optional

var list = ds_list_create();
for ( var i = 0; i < argument_count; i ++; ){
with ( argument[i] ){
ds_list_add(list,id);
}
}

var list_size = ds_list_size(list);

if ( list_size > 0 ){

var depth_priority = ds_priority_create();

for ( var i = 0; i < list_size; i ++; ){
with ( list[| i] ){
ds_priority_add(depth_priority,id,depth);
}
}

var size = ds_priority_size(depth_priority);

repeat(size){
with ( ds_priority_find_max(depth_priority) ){
draw_self();
ds_priority_delete_max(depth_priority);
}
}

ds_priority_destroy(depth_priority);
ds_list_destroy(list);

}
else{

ds_list_destroy(list);

}