TWO includes the following:
game_settings {
rewind_enabled = true
rollback_enabled = true
}What's the difference between rewind and rollback and what do they do? I suspect it has something to do with undoing the last move, but I can't work out the command to make it happen. I've tried rewind, rollback and undo.Rewind I think is the ability to step backwards and forwards through the game state. Rollback is the ability to step back (usually one move) to safety (after a lose_game or end_game).
To rewind, I think the keybinding is CONTROL + SHIFT + CURSOR KEYS.
It's a bit experimental, I plan a UI for it eventually.
I think REWIND works. It's just that it's not obvious that anything has happened if there's no change to the upper part of the display. However, it looks like it deletes the previous command and response.
Is there a system command for this? I'm going to try adding UNDO as a synonym for REWIND, as that's what I'm used to.
Yes, enabling rollback only affects the lose_game or end_game commands, and allows the player to undo their last command after they have consumed the death (or end game) routine. It allows death to be used as a wisdom acquiring mechanic without being grossly unfair.
I do plan on adding explicit autosave commands in future too, so you can tailor auto-save points if your game (a reserved slot in the save game list).
There is a hidden (soon to be unhidden) system message called:
system_messages{
restore_from_autosave = Rollback?
}