Bronies unite!This is mostly a suggestion for BG:M given it involves some pretty advanced animations.
Alter horse accelerationhttp://en.wikipedia.org/wiki/Horse_gaitWalk
Trot
Canter
Gallop
To replace the current acceleration/motorcross madness style system.
This then opens up all sorts of interesting thing to add to the horses. Some horses can cut straight from trot to gallop others have to slowly build their way through each. Acceleration is about building up from each to the next and so on.
Once a horse is at a gallop it should start being effected by stamina, basically over heating. Preferably if you push it to far it dies and PETA appears on magic carpets and murders you with fire balls from the sky.
Stamina can have different ratings for different horses.
It would add more depth to cav and it would also look cool as shit watching cav formations trot into line build into a canter and then finally come and fuck your shit up at full gallop. I think a lot of people will just stand there and watch as they are run down and slaughtered like the filthy peasants that they are.
So in summary. Replace the acceleration system and animations for horses. Add stamina to the "gallop"/top speed of horses to make it a strategic investment, at all costs avoid the massively retarded gallop system of WoTR. I did enjoy murdering people at will from horse back in WoTR and absolutely face fucking all the cav I came up against but fuck me it was such a stupid broken system :/
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Friendship is magic mother fuckers, get on it.