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Right now the major overhaul of the input API is giving me fits. I only ever understood just enough of the old API to utilize it for my purposes; I never felt like I had a great grasp of its overall architecture or use. Now it's been converted mostly to C++ classes and I am more lost than ever. I feel like in order to adapt libmame to use the new API, I really should understand the input architecture better. So here is my first question in that regards.

There is a class called input_type_entry; two of its constructor parameters are "group" and "player", of types ioport_group and int respectively. The player parameter is described (via the code docs of the member variable it is used for) as "player number (0 is player 1)". But ioport_group is an enumeration which already includes IPG_PLAYER1, IPG_PLAYER2, ..., IPG_PLAYER8. This seems redundant.

Am I misunderstanding something, or is either the player member variable of input_type_entry, or the IPG_PLAYER{1,...,8} enumeration values of ioport_group redundant?

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Consider it high comedy....sincere tragedy....whatever...don't take it personally.

The Culture