TickTimer

[xoft]

I think the physics should not use the deltatime. Actually, I think nothing should really use the deltatime. We measure time in ticks in the game, so let's measure it in ticks, really. If a tick takes longer, then whatever, the game will slow down a bit, who cares.

It's already a problem with furnaces, they don't cook the last item because of time rounding.

The server is running quite fine in recent versions, nothing makes the tick thread very overloaded, so ticks longer than 50 ms should be very rare anyway.