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Encapsulate common HP logic from osu and catch HP calculations

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Dan Balasescu 2023-11-24 17:32:18 +09:00
parent 55df8e81b9
commit 8314f656a3
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3 changed files with 179 additions and 255 deletions
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121
osu.Game.Rulesets.Catch/Scoring/CatchHealthProcessor.cs
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@ -1,138 +1,27 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence. // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text. // See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using osu.Game.Beatmaps; using osu.Game.Beatmaps;
using osu.Game.Rulesets.Catch.Objects; using osu.Game.Rulesets.Catch.Objects;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects; using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Scoring; using osu.Game.Rulesets.Scoring;
namespace osu.Game.Rulesets.Catch.Scoring namespace osu.Game.Rulesets.Catch.Scoring
{ {
public partial class CatchHealthProcessor : DrainingHealthProcessor public partial class CatchHealthProcessor : LegacyDrainingHealthProcessor
{ {
public Action<string>? OnIterationFail;
public Action<string>? OnIterationSuccess;
private double lowestHpEver;
private double lowestHpEnd;
private double hpRecoveryAvailable;
private double hpMultiplierNormal;
public CatchHealthProcessor(double drainStartTime) public CatchHealthProcessor(double drainStartTime)
: base(drainStartTime) : base(drainStartTime)
{ {
} }
public override void ApplyBeatmap(IBeatmap beatmap) protected override IEnumerable<HitObject> EnumerateTopLevelHitObjects() => EnumerateHitObjects(Beatmap).Where(h => h is Fruit || h is Droplet || h is Banana);
{
lowestHpEver = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.975, 0.8, 0.3);
lowestHpEnd = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.99, 0.9, 0.4);
hpRecoveryAvailable = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.04, 0.02, 0);
base.ApplyBeatmap(beatmap); protected override IEnumerable<HitObject> EnumerateNestedHitObjects(HitObject hitObject) => Enumerable.Empty<HitObject>();
}
protected override void Reset(bool storeResults) protected override double GetHealthIncreaseFor(HitObject hitObject, HitResult result)
{
hpMultiplierNormal = 1;
base.Reset(storeResults);
}
protected override double ComputeDrainRate()
{
double testDrop = 0.00025;
double currentHp;
double currentHpUncapped;
while (true)
{
currentHp = 1;
currentHpUncapped = 1;
double lowestHp = currentHp;
double lastTime = DrainStartTime;
int currentBreak = 0;
bool fail = false;
List<HitObject> allObjects = EnumerateHitObjects(Beatmap).Where(h => h is Fruit || h is Droplet || h is Banana).ToList();
for (int i = 0; i < allObjects.Count; i++)
{
HitObject h = allObjects[i];
while (currentBreak < Beatmap.Breaks.Count && Beatmap.Breaks[currentBreak].EndTime <= h.StartTime)
{
// If two hitobjects are separated by a break period, there is no drain for the full duration between the hitobjects.
// This differs from legacy (version < 8) beatmaps which continue draining until the break section is entered,
// but this shouldn't have a noticeable impact in practice.
lastTime = h.StartTime;
currentBreak++;
}
reduceHp(testDrop * (h.StartTime - lastTime));
lastTime = h.GetEndTime();
if (currentHp < lowestHp)
lowestHp = currentHp;
if (currentHp <= lowestHpEver)
{
fail = true;
testDrop *= 0.96;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: hp too low ({currentHp} < {lowestHpEver})");
break;
}
increaseHp(h);
}
if (!fail && currentHp < lowestHpEnd)
{
fail = true;
testDrop *= 0.94;
hpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: end hp too low ({currentHp} < {lowestHpEnd})");
}
double recovery = (currentHpUncapped - 1) / allObjects.Count;
if (!fail && recovery < hpRecoveryAvailable)
{
fail = true;
testDrop *= 0.96;
hpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: recovery too low ({recovery} < {hpRecoveryAvailable})");
}
if (!fail)
{
OnIterationSuccess?.Invoke($"PASSED drop {testDrop}");
return testDrop;
}
}
void reduceHp(double amount)
{
currentHpUncapped = Math.Max(0, currentHpUncapped - amount);
currentHp = Math.Max(0, currentHp - amount);
}
void increaseHp(HitObject hitObject)
{
double amount = healthIncreaseFor(hitObject.CreateJudgement().MaxResult);
currentHpUncapped += amount;
currentHp = Math.Max(0, Math.Min(1, currentHp + amount));
}
}
protected override double GetHealthIncreaseFor(JudgementResult result) => healthIncreaseFor(result.Type);
private double healthIncreaseFor(HitResult result)
{ {
double increase = 0; double increase = 0;
@ -162,7 +51,7 @@ namespace osu.Game.Rulesets.Catch.Scoring
break; break;
} }
return hpMultiplierNormal * increase; return HpMultiplierNormal * increase;
} }
} }
} }

155
osu.Game.Rulesets.Osu/Scoring/OsuHealthProcessor.cs
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@ -1,166 +1,43 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence. // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text. // See the LICENCE file in the repository root for full licence text.
using System; using System.Collections.Generic;
using System.Linq; using System.Linq;
using osu.Game.Beatmaps; using osu.Game.Beatmaps;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects; using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu.Objects; using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Scoring; using osu.Game.Rulesets.Scoring;
namespace osu.Game.Rulesets.Osu.Scoring namespace osu.Game.Rulesets.Osu.Scoring
{ {
public partial class OsuHealthProcessor : DrainingHealthProcessor public partial class OsuHealthProcessor : LegacyDrainingHealthProcessor
{ {
public Action<string>? OnIterationFail;
public Action<string>? OnIterationSuccess;
private double lowestHpEver;
private double lowestHpEnd;
private double hpRecoveryAvailable;
private double hpMultiplierNormal;
public OsuHealthProcessor(double drainStartTime) public OsuHealthProcessor(double drainStartTime)
: base(drainStartTime) : base(drainStartTime)
{ {
} }
public override void ApplyBeatmap(IBeatmap beatmap) protected override IEnumerable<HitObject> EnumerateTopLevelHitObjects() => Beatmap.HitObjects;
protected override IEnumerable<HitObject> EnumerateNestedHitObjects(HitObject hitObject)
{ {
lowestHpEver = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.975, 0.8, 0.3); switch (hitObject)
lowestHpEnd = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.99, 0.9, 0.4);
hpRecoveryAvailable = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.04, 0.02, 0);
base.ApplyBeatmap(beatmap);
}
protected override void Reset(bool storeResults)
{
hpMultiplierNormal = 1;
base.Reset(storeResults);
}
protected override double ComputeDrainRate()
{
double testDrop = 0.00025;
double currentHp;
double currentHpUncapped;
while (true)
{ {
currentHp = 1; case Slider slider:
currentHpUncapped = 1; foreach (var nested in slider.NestedHitObjects)
yield return nested;
double lowestHp = currentHp; break;
double lastTime = DrainStartTime;
int currentBreak = 0;
bool fail = false;
for (int i = 0; i < Beatmap.HitObjects.Count; i++) case Spinner spinner:
{ foreach (var nested in spinner.NestedHitObjects.Where(t => t is not SpinnerBonusTick))
HitObject h = Beatmap.HitObjects[i]; yield return nested;
while (currentBreak < Beatmap.Breaks.Count && Beatmap.Breaks[currentBreak].EndTime <= h.StartTime) break;
{
// If two hitobjects are separated by a break period, there is no drain for the full duration between the hitobjects.
// This differs from legacy (version < 8) beatmaps which continue draining until the break section is entered,
// but this shouldn't have a noticeable impact in practice.
lastTime = h.StartTime;
currentBreak++;
}
reduceHp(testDrop * (h.StartTime - lastTime));
lastTime = h.GetEndTime();
if (currentHp < lowestHp)
lowestHp = currentHp;
if (currentHp <= lowestHpEver)
{
fail = true;
testDrop *= 0.96;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: hp too low ({currentHp} < {lowestHpEver})");
break;
}
double hpReduction = testDrop * (h.GetEndTime() - h.StartTime);
double hpOverkill = Math.Max(0, hpReduction - currentHp);
reduceHp(hpReduction);
switch (h)
{
case Slider slider:
{
foreach (var nested in slider.NestedHitObjects)
increaseHp(nested);
break;
}
case Spinner spinner:
{
foreach (var nested in spinner.NestedHitObjects.Where(t => t is not SpinnerBonusTick))
increaseHp(nested);
break;
}
}
// Note: Because HP is capped during the above increases, long sliders (with many ticks) or spinners
// will appear to overkill at lower drain levels than they should. However, it is also not correct to simply use the uncapped version.
if (hpOverkill > 0 && currentHp - hpOverkill <= lowestHpEver)
{
fail = true;
testDrop *= 0.96;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: overkill ({currentHp} - {hpOverkill} <= {lowestHpEver})");
break;
}
increaseHp(h);
}
if (!fail && currentHp < lowestHpEnd)
{
fail = true;
testDrop *= 0.94;
hpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: end hp too low ({currentHp} < {lowestHpEnd})");
}
double recovery = (currentHpUncapped - 1) / Beatmap.HitObjects.Count;
if (!fail && recovery < hpRecoveryAvailable)
{
fail = true;
testDrop *= 0.96;
hpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: recovery too low ({recovery} < {hpRecoveryAvailable})");
}
if (!fail)
{
OnIterationSuccess?.Invoke($"PASSED drop {testDrop}");
return testDrop;
}
}
void reduceHp(double amount)
{
currentHpUncapped = Math.Max(0, currentHpUncapped - amount);
currentHp = Math.Max(0, currentHp - amount);
}
void increaseHp(HitObject hitObject)
{
double amount = healthIncreaseFor(hitObject, hitObject.CreateJudgement().MaxResult);
currentHpUncapped += amount;
currentHp = Math.Max(0, Math.Min(1, currentHp + amount));
} }
} }
protected override double GetHealthIncreaseFor(JudgementResult result) => healthIncreaseFor(result.HitObject, result.Type); protected override double GetHealthIncreaseFor(HitObject hitObject, HitResult result)
private double healthIncreaseFor(HitObject hitObject, HitResult result)
{ {
double increase = 0; double increase = 0;
@ -206,7 +83,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
break; break;
} }
return hpMultiplierNormal * increase; return HpMultiplierNormal * increase;
} }
} }
} }

158
osu.Game/Rulesets/Scoring/LegacyDrainingHealthProcessor.cs Normal file
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@ -0,0 +1,158 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
namespace osu.Game.Rulesets.Scoring
{
/// <summary>
/// A <see cref="DrainingHealthProcessor"/> that matches legacy drain rate calculations as best as possible.
/// </summary>
public abstract partial class LegacyDrainingHealthProcessor : DrainingHealthProcessor
{
public Action<string>? OnIterationFail;
public Action<string>? OnIterationSuccess;
protected double HpMultiplierNormal { get; private set; }
private double lowestHpEver;
private double lowestHpEnd;
private double hpRecoveryAvailable;
protected LegacyDrainingHealthProcessor(double drainStartTime)
: base(drainStartTime)
{
}
public override void ApplyBeatmap(IBeatmap beatmap)
{
lowestHpEver = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.975, 0.8, 0.3);
lowestHpEnd = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.99, 0.9, 0.4);
hpRecoveryAvailable = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.DrainRate, 0.04, 0.02, 0);
base.ApplyBeatmap(beatmap);
}
protected override void Reset(bool storeResults)
{
HpMultiplierNormal = 1;
base.Reset(storeResults);
}
protected override double ComputeDrainRate()
{
double testDrop = 0.00025;
double currentHp;
double currentHpUncapped;
while (true)
{
currentHp = 1;
currentHpUncapped = 1;
double lowestHp = currentHp;
double lastTime = DrainStartTime;
int currentBreak = 0;
bool fail = false;
int topLevelObjectCount = 0;
foreach (var h in EnumerateTopLevelHitObjects())
{
topLevelObjectCount++;
while (currentBreak < Beatmap.Breaks.Count && Beatmap.Breaks[currentBreak].EndTime <= h.StartTime)
{
// If two hitobjects are separated by a break period, there is no drain for the full duration between the hitobjects.
// This differs from legacy (version < 8) beatmaps which continue draining until the break section is entered,
// but this shouldn't have a noticeable impact in practice.
lastTime = h.StartTime;
currentBreak++;
}
reduceHp(testDrop * (h.StartTime - lastTime));
lastTime = h.GetEndTime();
if (currentHp < lowestHp)
lowestHp = currentHp;
if (currentHp <= lowestHpEver)
{
fail = true;
testDrop *= 0.96;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: hp too low ({currentHp} < {lowestHpEver})");
break;
}
double hpReduction = testDrop * (h.GetEndTime() - h.StartTime);
double hpOverkill = Math.Max(0, hpReduction - currentHp);
reduceHp(hpReduction);
foreach (var nested in EnumerateNestedHitObjects(h))
increaseHp(nested);
// Note: Because HP is capped during the above increases, long sliders (with many ticks) or spinners
// will appear to overkill at lower drain levels than they should. However, it is also not correct to simply use the uncapped version.
if (hpOverkill > 0 && currentHp - hpOverkill <= lowestHpEver)
{
fail = true;
testDrop *= 0.96;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: overkill ({currentHp} - {hpOverkill} <= {lowestHpEver})");
break;
}
increaseHp(h);
}
if (!fail && currentHp < lowestHpEnd)
{
fail = true;
testDrop *= 0.94;
HpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: end hp too low ({currentHp} < {lowestHpEnd})");
}
double recovery = (currentHpUncapped - 1) / Math.Max(1, topLevelObjectCount);
if (!fail && recovery < hpRecoveryAvailable)
{
fail = true;
testDrop *= 0.96;
HpMultiplierNormal *= 1.01;
OnIterationFail?.Invoke($"FAILED drop {testDrop}: recovery too low ({recovery} < {hpRecoveryAvailable})");
}
if (!fail)
{
OnIterationSuccess?.Invoke($"PASSED drop {testDrop}");
return testDrop;
}
}
void reduceHp(double amount)
{
currentHpUncapped = Math.Max(0, currentHpUncapped - amount);
currentHp = Math.Max(0, currentHp - amount);
}
void increaseHp(HitObject hitObject)
{
double amount = GetHealthIncreaseFor(hitObject, hitObject.CreateJudgement().MaxResult);
currentHpUncapped += amount;
currentHp = Math.Max(0, Math.Min(1, currentHp + amount));
}
}
protected sealed override double GetHealthIncreaseFor(JudgementResult result) => GetHealthIncreaseFor(result.HitObject, result.Type);
protected abstract IEnumerable<HitObject> EnumerateTopLevelHitObjects();
protected abstract IEnumerable<HitObject> EnumerateNestedHitObjects(HitObject hitObject);
protected abstract double GetHealthIncreaseFor(HitObject hitObject, HitResult result);
}
}