How do i make changes on gameplay ?(changing weapon damage for example)?

[zentdayn]

How do  i make changes on gameplay ?(changing weapon damage for example)?
I have a mac i want to make changes on the gameplay how do i change ,for example , the price of a weapon or the damage of something else?
I have been searching but i cant make a thing..

[Aviator]

You can't. 

[commander scrooge]

Can be changed in tremulous.h files.

try qvm at: http://mysite.verizon.net/johne/rezynqvm.htm
and: http://code.google.com/p/cqvm/
if you dont want to mess with tremulous.h files.

[mooseberry]

You can't. 

Shut up. Seriously. 

[Aviator]

You can't.  

Shut up. Seriously.  

D: Wait you can if you have your own server >.>

EDIT: Ok I see why you said that >.> I didn't read the post above so yeah I think Ima shut up