Currently, in the ranking criteria for all modes, there is this rule (meant to be followed under all circumstances)
In mania and taiko, red lines can be used to create barlines, which when paired with slider velocity changes can create easily readable and rankable difficulties. The "Uninherited timing points must be used to accurately beatmap the song's time signatures" rule prevents usage of these in ways that create barlines in ways that are unintuitive and land on unemphasized beats.
However, extra barlines can be confusing to new players, so if this method was used in a full set, then new players would have difficulty reading the map correctly, therefore causing this gimmick to be only usable on hard+ sets.
My proposal is to change this rule to a guideline and phrase it in this way:
The only large problem I see in the way of making this change is the nightcore mod and its addition of the pulsing beat. Extra uninherited lines used to create barlines can cause this to pulse unreasonably fast, and the only remedy to this that I can think of is to remove the pulse (which is entirely on the dev side).
- Uninherited timing points must be the same in every difficulty of a beatmapset. Each point must have the same BPM and offset in each difficulty.
In mania and taiko, red lines can be used to create barlines, which when paired with slider velocity changes can create easily readable and rankable difficulties. The "Uninherited timing points must be used to accurately beatmap the song's time signatures" rule prevents usage of these in ways that create barlines in ways that are unintuitive and land on unemphasized beats.
However, extra barlines can be confusing to new players, so if this method was used in a full set, then new players would have difficulty reading the map correctly, therefore causing this gimmick to be only usable on hard+ sets.
My proposal is to change this rule to a guideline and phrase it in this way:
- Uninherited timing points should be the same in every difficulty of a beatmapset. Each point must have the same BPM and offset in each difficulty.
- Easy-Normal/Kantan-Futsuu
- Extra Uninherited timing points must not be used to create barlines. Unnecessary barlines can confuse beginners on when to hit notes.
- Hard+/Muzukashii+
- Extra uninherited timing points used to create barlines must be a whole number multiple of the base bpm. Non whole number multiples will cause barlines to generate non-periodically.
- Extra uninherited timing points must be snapped to a map without unnecessary timing points. This is to prevent rounding errors from causing the map to go offsync.
The only large problem I see in the way of making this change is the nightcore mod and its addition of the pulsing beat. Extra uninherited lines used to create barlines can cause this to pulse unreasonably fast, and the only remedy to this that I can think of is to remove the pulse (which is entirely on the dev side).