Is there any way to get access to the source code of the core engine? I'm a developer and would like to have a look to see if/how I could contribute.
(I don't have the MPQs at hand right now to study the replay viewer.)
the code is in fact hosted in a public repository. we're just not advertising it.
if you really want the c++ source as well maybe visit us at #openbw on IRC or drop us a PM.