-head->draw(context, pos, layer, drawing_effect);
-body->draw(context, pos, layer, drawing_effect);
-arms->draw(context, pos, layer, drawing_effect);
-feet->draw(context, pos, layer, drawing_effect);
+ if(head != NULL)
+ head->draw(context, pos, layer, drawing_effect);
+ if(body != NULL)
+ body->draw(context, pos, layer, drawing_effect);
+ if(arms != NULL)
+ arms->draw(context, pos, layer, drawing_effect);
+ if(feet != NULL)
+ feet->draw(context, pos, layer, drawing_effect);