Fix: ignore out-of-range BlockMasks (#368)

peng-u-0807 · peng-u-0807 · commit 4a2f8189473a · 2025-08-08T19:19:43.000+09:00
Ignore out-of-range BlockMasks
diff --git a/SNUTT-2022/SNUTT/Views/Components/Timetable/TimetableUtils.swift b/SNUTT-2022/SNUTT/Views/Components/Timetable/TimetableUtils.swift
@@ -226,6 +226,7 @@ struct TimetablePainter {
         var blockMask = Array(repeating: reverse, count: blockMaskSize)
         for time in timeMask {
             for minute in stride(from: time.startMinute, to: time.endMinute, by: halfHour) {
+                if minute < startHourOffset || minute > startHourOffset + halfHour * halfHourCount { continue }
                 let halfHourIndex = Int(floor(Double(minute - startHourOffset) / Double(halfHour)))
                 blockMask[time.day * halfHourCount + halfHourIndex] = !reverse
             }

Original file line number	Diff line number	Diff line change
`@@ -226,6 +226,7 @@ struct TimetablePainter {`
`226`	`226`	`var blockMask = Array(repeating: reverse, count: blockMaskSize)`
`227`	`227`	`for time in timeMask {`
`228`	`228`	`for minute in stride(from: time.startMinute, to: time.endMinute, by: halfHour) {`
	`229`	`+ if minute < startHourOffset \|\| minute > startHourOffset + halfHour * halfHourCount { continue }`
`229`	`230`	`let halfHourIndex = Int(floor(Double(minute - startHourOffset) / Double(halfHour)))`
`230`	`231`	`blockMask[time.day * halfHourCount + halfHourIndex] = !reverse`
`231`	`232`	`}`