0.2.51.30 (EXPERIMENTAL) - Transmission mesh types — Sprocket Steam update #139307

Added 3 transmission mesh modes: Synchromesh (default): Easier speed matching, allowing higher gear steps in some cases. Bigger and more expensive transmissions. Slower to engage gears. Constant mesh: Requires precise speed matching by the driver. Small and cheap transmissions. Slide mesh: WWI option pre synchromesh invention and constant mesh use on tanks. The same behaviour as constant mesh but bigger and cheaper. These aren't limited by era yet. Synchromesh goes: declutch > shift > reclutch Constant mesh and slide mesh require the new double declutching: declutch > neutral > clutch > speedmatch > declutch > shift > reclutch Your transmissions will be set to synchromesh and wont change size. Other changes The driver now only upshifts if the vehicle is capable of accelerating in the current gear and the next gear would also accelerate. The driver now only downshifts if the engine speed ...