Well, after many tries, I have figured out a (sketchy) way of solving my problem. Of course, as eddiewould suggested, I will have a better organization and multiple layers for my code, but if one would like to have multiple classes all linked together, simply include a variable to the main class (that called every class) to every class. I believe that a code snippet will explain it better:
main.py
engine_folder
----> engine_1.py
----> engine_2.py
in main.py, engine_1 and engine_2 are loaded:
from engine_folder import engine_1, engine_2
class game:
def __init__(self):
self.engine_1 = engine_1.engine(self, ...)
self.engine_2 = engine_2.engine(self, ...)
#where engine_1.engine and engine_2.engine are
#two classes that need to transfer data between
#each other
def run(self):
self.engine_1.run()
self.engine_2.run()
Notice how engine_1.engine's first argument is self, which refers to the top level class which called this class. Now, in engine_1, if we would want to print a variable from engine_2, the class would look similar to this:
class engine:
def __init__(self, top_level_class, ...):
self.top_level_class = top_level_class
def run(self):
print self.top_level_class.engine_2.random_var
This is very beautiful (besides the fact that print self.top_level_class.engine_2.random_var is very long), but compared to something like:
class EventEngine:
def __init__(self, Camera_Class, Map_Class, Character_Class, Skill_Class,
Interface_Class, Sprite_Class, Dialog_Class, Game_Class,
Item_Class):
self.ItemEngine = Item_Class
self.GameEngine = Game_Class
self.DialogEngine = Dialog_Class
self.SpriteEngine = Sprite_Class
self.SkillEngine = Skill_Class
self.CameraEngine = Camera_Class
self.MapEngine = Map_Class
self.CharacterEngine = Character_Class
self.IEngine = Interface_Class
The new version:
class EventEngine:
def __init__(self, top_level_class):
self.top = top_level_class
#a var from Map_Class can be called as such:
#self.top.MapEngine.map[0][1]
#and I can call variables from every class, not only those I
#have loaded like before
is much better and much cleaner.