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Refactor to avoid using try-finally as control flow.

This commit is contained in:
Huo Yaoyuan 2019-11-22 00:12:03 +08:00
parent 4cd7d67fe4
commit 8239c2da61

View File

@ -12,6 +12,7 @@ using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
@ -88,15 +89,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
public override IEnumerable<Pattern> Generate()
{
yield return generate();
}
private Pattern generate()
{
var pattern = new Pattern();
try
Pattern generateCore()
{
var pattern = new Pattern();
if (TotalColumns == 1)
{
addToPattern(pattern, 0);
@ -168,54 +164,56 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
}
if (convertType.HasFlag(PatternType.KeepSingle))
return pattern = generateRandomNotes(1);
return generateRandomNotes(1);
if (convertType.HasFlag(PatternType.Mirror))
{
if (ConversionDifficulty > 6.5)
return pattern = generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
return generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
if (ConversionDifficulty > 4)
return pattern = generateRandomPatternWithMirrored(0.12, 0.17, 0);
return generateRandomPatternWithMirrored(0.12, 0.17, 0);
return pattern = generateRandomPatternWithMirrored(0.12, 0, 0);
return generateRandomPatternWithMirrored(0.12, 0, 0);
}
if (ConversionDifficulty > 6.5)
{
if (convertType.HasFlag(PatternType.LowProbability))
return pattern = generateRandomPattern(0.78, 0.42, 0, 0);
return generateRandomPattern(0.78, 0.42, 0, 0);
return pattern = generateRandomPattern(1, 0.62, 0, 0);
return generateRandomPattern(1, 0.62, 0, 0);
}
if (ConversionDifficulty > 4)
{
if (convertType.HasFlag(PatternType.LowProbability))
return pattern = generateRandomPattern(0.35, 0.08, 0, 0);
return generateRandomPattern(0.35, 0.08, 0, 0);
return pattern = generateRandomPattern(0.52, 0.15, 0, 0);
return generateRandomPattern(0.52, 0.15, 0, 0);
}
if (ConversionDifficulty > 2)
{
if (convertType.HasFlag(PatternType.LowProbability))
return pattern = generateRandomPattern(0.18, 0, 0, 0);
return generateRandomPattern(0.18, 0, 0, 0);
return pattern = generateRandomPattern(0.45, 0, 0, 0);
return generateRandomPattern(0.45, 0, 0, 0);
}
return pattern = generateRandomPattern(0, 0, 0, 0);
return generateRandomPattern(0, 0, 0, 0);
}
finally
var p = generateCore();
foreach (var obj in p.HitObjects)
{
foreach (var obj in pattern.HitObjects)
{
if (convertType.HasFlag(PatternType.Stair) && obj.Column == TotalColumns - 1)
StairType = PatternType.ReverseStair;
if (convertType.HasFlag(PatternType.ReverseStair) && obj.Column == RandomStart)
StairType = PatternType.Stair;
}
if (convertType.HasFlag(PatternType.Stair) && obj.Column == TotalColumns - 1)
StairType = PatternType.ReverseStair;
if (convertType.HasFlag(PatternType.ReverseStair) && obj.Column == RandomStart)
StairType = PatternType.Stair;
}
return p.Yield();
}
/// <summary>