And we're surprised by PD dropping the ball on the button functionality when they're having trouble implementing shadows correctly, still have issues with typos and misprints inside the game, have had to patch to update the physics, forgot to add a backup save option from the beginning and etcetera ad nauseum? The problem with this theory is that it requires PD to very cleverly block off two buttons from the G27 with a bit of software code, when they can't very cleverly get the rest of the game programming 100% right.
As I pointed out before, this isn't a dropping the ball issue, it's a "used to work and now doesn't" issue. If PD just never got around to making the L3 and R3 work, then yeah I could see the argument "they are just dropping the ball" but they have got them working, then turned them off... there is no reason to have done so and if it was just an accidental code deletion, it would be nothing to patch back in.
Then look at the RA function... this is absolutely a cleverly blocked off feature just like you are saying... the buttons work for other things, but when you choose RA menu, suddenly that button doesn't work.
We know the button works for PS3 (works in other games). We know the button works for GT5 (works for other functions) we know that RA menu CAN be programmed to regular face buttons (works for every other input device).
BUT: when it's a G27, RA menu is suddenly not working.
It's VERY hard to believe that's not intentionally done. It's just too specific.
The thing that still bothers me about this claim. If Fanatec has no issues... what's wrong with the G27? Why couldn't Logitech also include a DFGT emulation mode for older games that might have been built with the DFGT in mind? It would have cost them almost nothing to add that to the wheel, and would have ensured G25-level compatibility with GT5... as well as a few older titles, as well.
Many reasons the least of which, why should they have to? Why, when designing the G27 which fully meets PS3 compatability standards, should logitech have to say "and just in case some game tries to block some features from this wheel specifically, we will throw in an option to emulate another wheel"? It's putting the onus on entirely the wrong party... and how are Logitech to know what will be blocked or broken? As for emulating a DFGT I am pretty sure that would be excluded by licensing alone and doesn't cover issues like a clutch axis or tach lights.
The Fanatec does emulation of controllers because that's how it was built (and at added cost I might add) and even then what they are doing it dodgy... they are using other peoples codes (presumeably) without permission.
As for ensuring GT5 compatability, again, they shouldn't have had to (let alone could they have done without psychic powers). The G27 is fully PS3 compatible, all buttons work and register with the PS3. The problem exists with the game, not the wheel. And interestingly enough, the G27 seems to work fine with older games.. Grid and Dirt 2 have not given me any problems...
Reference again: With all the other problems in GT5, we're to expect they got everything else right? If GT5 were a fully realized product with no other flaws, you might have a point, but with how it was delayed for so long, with how they've had problems implementing features they wanted in from the beginning, and all the last minute changes Sony forced PD to implement, I'm willing to give them the benefit of the doubt in this regard.
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I think you don't understand well how these things work... you keep bringing up things that are not comparable or really related as if everything in programing a game happens at one level and each facet is equally difficult.
You mentioned shadows being poor, that's a result of scaling down to work with hardware limitations and squeezing what you can out of it. There are other games with similarly wonky shadows and it's the same case on all fronts.
It's an entirely different matter to properly support a wheel as long as the OS supports it (which the PS3 does).
It's literally on par with a construction worker building a house and installing wall plates on switches. Even the most overworked and sloppy carpenter who can't hang a cabinet straight to save his life can install wall plates in a whole house in an hour.
It's certainly your call whether to give them the benefit of the doubt, however I have to say I think it's only out of lack of technical understanding behind the difficultly and feasibility of what we are seeing.
Oh and a follow up on the potential patch to come... I am hoping against hope that if enough people start seeing this nerfing and getting unhappy about it, it might convince PD to go ahead and turn back on full G27 support...