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[CaseyB]

I have a Logitech Gamepad with forcefeedback but it isn't recognised by the FF_Demo.  While debugging the code I find that the

Code: [Select]

BOOL CALLBACK Win32JoyStick::DIEnumEffectsCallback(LPCDIEFFECTINFO pdei, LPVOID pvRef)callback is never activated.  I know nothing about DirectInput, so I can't even pretend to know where this should be called or why it's being skipped, but I has hoping you could point me in the right direction.

[pjcast]

It sounds like your device simply does not register DirectInput force feedback support. Perhaps it uses a different non-free API? something like the immersion (http://www.wreckedgames.com/forum/viewtopic.php?t=123&highlight=immersion)?

[CaseyB]

It's a Logitech Rumblepad 2 nothing fancy like the in the post you sent me to.  Hmm, I'll look into the gamepade and see if I can find what the api is.

[KungFooMasta]

CaseyB if you figure out how to use force feedback for that controller please share, I have that controller as well.  

KungFooMasta

[CaseyB]

:oops: I guess it helps to install the drivers that come with the thing, huh. :oops:

[pjcast]

:oops: I guess it helps to install the drivers that come with the thing, huh. :oops:

Hmm, does that solve it for you then? Or, do you still have difficulty with FF?

[CaseyB]

No, that's solved it, it's working now.  Now I am playing with different types of forces and their settings, but I can't really tell a difference between some them.  For example, OIS::Effect::ConstantForce, feels the same as OIS::Effect::RampForce, what's the difference?

[pjcast]

You can read the DirectX SDK docs for the most detailed explaination of the differences. One thing that was cool, was the DX SDK used to have a DirectInput force feedback editor where you could play with all the forces (I have it with the DX 2004 SDK).

But, mostly, you will use a constant force, and just lower/raise the force turn off/on the effect.