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Standardize osu!catch coordinate system

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There were two coordinate systems used:
- 0..512 (used in osu!stable)
- 0..1 (relative coordinate)

This commit replaces the usage of
the relative coordinate system to
the coordinate system of 0..512.
This commit is contained in:
ekrctb
2020-07-02 00:21:45 +09:00
parent 640050977b
commit 3278a1d7d8
21 changed files with 70 additions and 63 deletions
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14
osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapProcessor.cs
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@ -65,7 +65,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
case BananaShower bananaShower:
foreach (var banana in bananaShower.NestedHitObjects.OfType<Banana>())
{
banana.XOffset = (float)rng.NextDouble();
banana.XOffset = (float)(rng.NextDouble() * CatchPlayfield.WIDTH);
rng.Next(); // osu!stable retrieved a random banana type
rng.Next(); // osu!stable retrieved a random banana rotation
rng.Next(); // osu!stable retrieved a random banana colour
@ -75,7 +75,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
case JuiceStream juiceStream:
// Todo: BUG!! Stable used the last control point as the final position of the path, but it should use the computed path instead.
lastPosition = juiceStream.X + juiceStream.Path.ControlPoints[^1].Position.Value.X / CatchPlayfield.BASE_WIDTH;
lastPosition = juiceStream.X + juiceStream.Path.ControlPoints[^1].Position.Value.X;
// Todo: BUG!! Stable attempted to use the end time of the stream, but referenced it too early in execution and used the start time instead.
lastStartTime = juiceStream.StartTime;
@ -86,7 +86,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
catchObject.XOffset = 0;
if (catchObject is TinyDroplet)
catchObject.XOffset = Math.Clamp(rng.Next(-20, 20) / CatchPlayfield.BASE_WIDTH, -catchObject.X, 1 - catchObject.X);
catchObject.XOffset = Math.Clamp(rng.Next(-20, 20), -catchObject.X, CatchPlayfield.WIDTH - catchObject.X);
else if (catchObject is Droplet)
rng.Next(); // osu!stable retrieved a random droplet rotation
}
@ -131,7 +131,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
}
// ReSharper disable once PossibleLossOfFraction
if (Math.Abs(positionDiff * CatchPlayfield.BASE_WIDTH) < timeDiff / 3)
if (Math.Abs(positionDiff) < timeDiff / 3)
applyOffset(ref offsetPosition, positionDiff);
hitObject.XOffset = offsetPosition - hitObject.X;
@ -149,12 +149,12 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
private static void applyRandomOffset(ref float position, double maxOffset, FastRandom rng)
{
bool right = rng.NextBool();
float rand = Math.Min(20, (float)rng.Next(0, Math.Max(0, maxOffset))) / CatchPlayfield.BASE_WIDTH;
float rand = Math.Min(20, (float)rng.Next(0, Math.Max(0, maxOffset)));
if (right)
{
// Clamp to the right bound
if (position + rand <= 1)
if (position + rand <= CatchPlayfield.WIDTH)
position += rand;
else
position -= rand;
@ -211,7 +211,7 @@ namespace osu.Game.Rulesets.Catch.Beatmaps
objectWithDroplets.Sort((h1, h2) => h1.StartTime.CompareTo(h2.StartTime));
double halfCatcherWidth = CatcherArea.GetCatcherSize(beatmap.BeatmapInfo.BaseDifficulty) / 2;
double halfCatcherWidth = Catcher.CalculateCatchWidth(beatmap.BeatmapInfo.BaseDifficulty) / 2;
int lastDirection = 0;
double lastExcess = halfCatcherWidth;