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Change difficulty rating for CTB difficulties

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This is a feature request. Feature requests can be voted up by supporters.
Current Priority: +10
Topic Starter
eldnl
I think on ctb difficulties doesn't matter the density of notes, because we can create easy difficulties with streams, but this is described as very difficult for the difficulty rating system, so my point is, that the difficulty system should only focus on the distance between the notes, and not on the density of them.

Any ideas and suggestions are welcome.
Drafura
Support o/
TheVileOne
I have a better idea. How about all the gamemodes have a star rating system that is unique to the specific method of play. Eh maybe we should handle one mode at a time.

Hyperdashes should instantly add difficulty. I think 5.00 should only represent the hardest of the hardest CTB maps and the rest of the maps should be less than 5.0. If star rating was actually decent at rating harder maps, it wouldn't squish so many difficult maps at 5.00.

What do you think about adding rating based on pattern density? I'm not an expert at CTB gameplay, but aren't linked jumps more difficult than the same spaced jumps only not linked? It could be a while is greater than the sum of its parts kind of thing. Two jumps that exceed 2.0 are located in different areas of the map add 0.04 difficulty each for a total of 0.08 added to star rating, but if both were adjacent, it would add 0.05 each for a total of 0.1 added to star rating.
Topic Starter
eldnl

TheVileOne wrote:

I have a better idea. How about all the gamemodes have a star rating system that is unique to the specific method of play. Eh maybe we should handle one difficulty at a time.

Hyperdashes should instantly add difficulty. I think 5.00 should only represent the hardest of the hardest CTB maps and the rest of the maps should be less than 5.0. If star rating was actually decent at rating harder maps, it wouldn't squish so many difficult maps at 5.00.

What do you think about adding rating based on pattern density? I'm not an expert at CTB gameplay, but aren't linked jumps more difficult than the same spaced jumps only not linked? It could be a while is greater than the sum of its parts kind of thing. Two jumps that exceed 2.0 are located in different areas of the map add 0.04 difficulty each for a total of 0.08 added to star rating, but if both were adjacent, it would add 0.05 each for a total of 0.1 added to star rating.
I don't get your point, but difficulty is way better in the other game modes, because the streams are hard on them, not the case on ctb ...
benguin
Not necessarily true, in the other two game modes (taiko and o!m) although the difficulty of streams are well "converted", the difficulty of jumps in converted maps make no sense since taiko and o!m has no concept of "jump" thats analogous to standard.
TheVileOne
Taiko gamemode conversion star rating is probably equally as inaccurate as standard conversion star rating. A stream in taiko is rated the same regardless of the combination of kats and dons in the stream or the slider velocity being used. Most Oni's are rating 5.0 difficulty rating when there is variation of difficulty between Oni's.

Mania star rating is bad in certain cases. There are 3 star 6 Key difficulties that are way harder than a 3 star difficulty should be. Also good luck trying to figure out the difficulty of similar 5 Key difficulties. I would also like to see the game auto calculate a difficulty number for nK mod conversion. Star rating in its visual form is not accurate enough to determine relative difficulty accurately.

This was the side point of my post. I am more interested in the actual implementation of a CTB star rating system.
Topic Starter
eldnl

benguin wrote:

Not necessarily true, in the other two game modes (taiko and o!m) although the difficulty of streams are well "converted", the difficulty of jumps in converted maps make no sense since taiko and o!m has no concept of "jump" thats analogous to standard.
Obviously none of them is perfect, it is bad even for standard, but actually it affects more on ctb, that's my point, but if peppy can do it for every game mode, great!
Loooctav
Well, I see that this idea is fairly well received, and I think between all moders and Mapers CtB could create rules for this mode, as in osu! Mania and taiko could generate a classification system, which in Catch the beat is not clearly stated, may enter "eldnl" and "Deif" could create a ranking system, and I also reviewed Catch the Beat maps and mapping mode.
Deif
Rules were created and approved while ago: t/80544

A classification system was made either, with the custom names for the difficulties (Cup, Salad, Platter,...).

Other than that, I'm not sure if I understood properly the last post, but nevertheless the star rate system is a pretty out-to-dated one. There was another thread asking for an improvement of it in standard (don't remember when or where was it), but I guess the same can be applied to the rest of the game modes.
Loooctav

Deif wrote:

Rules were created and approved while ago: t/80544

A classification system was made either, with the custom names for the difficulties (Cup, Salad, Platter,...).

Other than that, I'm not sure if I understood properly the last post, but nevertheless the star rate system is a pretty out-to-dated one. There was another thread asking for an improvement of it in standard (don't remember when or where was it), but I guess the same can be applied to the rest of the game modes.
speak better, make it a bit more .. I do not know whether to call it more seriously, talk to synthesize this much more, to be something .. Interestingly, attention grabbing, and people begins to create more maps "CtB" since there is little that is mapped, and I think now with CtB BAT must take this with more force and create a good system (I'm not saying that this bad) classification, and is another one of the ways of osu!

I said! CASE CLOSED doctora polo pls
Stefan
I guess this Request falls under this one: t/124699/start=0

Of course this Thread is talking about the Standard Mode but in case it gets implemented it would also works for the other Modes.

This would be needed for Taiko too. Good Example: https://osu.ppy.sh/s/59429
TheVileOne
^ No. Mappers shouldn't pick the star rating. The star rating should be automatically determined. The system isn't so broken that mappers would be a better determiner of difficulty in the large majority of cases.
Stefan
I am just saying at this Thread is similar to this one here. Not that I unsupport/support this Idea here.
Drafura

ThoomyyxD wrote:

speak better, make it a bit more .. I do not know whether to call it more seriously, talk to synthesize this much more, to be something .. Interestingly, attention grabbing, and people begins to create more maps "CtB" since there is little that is mapped, and I think now with CtB BAT must take this with more force and create a good system (I'm not saying that this bad) classification, and is another one of the ways of osu!
Actually this feature request has been created after a discution with CtB community. Actually nobody really wants to limit the ctb mapping into precise and strict rules (Most of CtB mappers actually only have the standard convertion as example to start with) mapping style have to evolve with mappers as same as rules with the modders, so basically we won't restrict the use of stream in a [normal] difficulty but the game will detect the map as a [hard] this is a problem cause pp system is bound to this detected spread.

Stefan wrote:

I guess this Request falls under this one: t/124699/start=0
This request is about : mapper choose himself the difficulty level. I think this is not really perfect cause :
- The old maps will still use the old system, wich isn't adapted to the new difficulty level.
- The mapping evolves. Maps ranked 2-3 years ago with 5 stars have nothing to do with recent hardest ranked maps (Hi, big black, airman, 0108, etc..), and you can't say if this difficulty will ever stop going harder and harder. So maps using 5 stars actually may become a 4.5 star in a year.

That's mainly why a refinement for each mode in the star rating would be a way better solution.
Kitsunemimi
I personally think we should actually fix the star rating for standard itself before we go out and make different variations for the other game modes. Because it is incredibly broken as it is already.
_noone_
<>
Drafura

Keyone94 wrote:

(this is only about 1/3 of what is needed to calculate a fair star ranking)
1/3 :o Your list is already pretty nice I just want to add that droplets and slider ticks have to fall under jump calculations and objects too close from spinners should add a bit difficulty rating. Also since OD doesn't affect the difficulty it should not affect star rating.
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