Irrlicht Engine

hmm,
I think the best way to go would be to use the time line idea, i'm a little concerned though that the tree would become side heavy, in that if I add events linearly (ie, first event is 5 seconds, second is 7, etc) then it looses efficency, but I doubt it would be worse than the current ...

So i've finished my event system for my project, and it works fine..

There are two basic methods for injecting events into the sytem, timed events (that happen based on a timer), or static events (ie, software generated events for spawning NPCs, or keyboard events that kind of thing).

The static ...

irrlicht is a 3d graphics engine, so no you couldnt do any kind of physics at all with it. try one of the other physics engines like newton for your task
all irrlicht would be able to do for you is give you a graphical look at your robot moving, you would need to calculate the path, distance etc in ...

im not entirely sure if this would work right for you, but i would suggest trying get() and set() functions. you could "get" the variable into a local variable in your scope, then, once you have done all you want to it, "set" it again back into the class

to make the animations for ingame, you would need to animated them in your 3d modelling program. check your manual for more info on how to do that

for changing the scale in irrlicht:
node->setScale(core::vector3df(1,1,1));
node is the name of your ISceneNode in your code, and all you have to do ...

yep, far as i know its only the visual c++ .dll though