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cleanup EventMask

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This commit is contained in:
kbleeke 2023-04-25 18:38:17 +02:00
parent 2d7ba44621
commit 582a15a693
1 changed files with 9 additions and 9 deletions
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18
src/events.rs
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@ -331,34 +331,34 @@ impl Message {
} }
} }
const EVENT_BITS: usize = ((Event::LAST as usize + 31) & !31) / 32;
#[derive(Default)] #[derive(Default)]
struct EventMask { struct EventMask {
mask: [u32; EVENT_BITS], mask: [u32; Self::WORD_COUNT],
} }
impl EventMask { impl EventMask {
const WORD_COUNT: usize = ((Event::LAST as u32 + (u32::BITS - 1)) / u32::BITS) as usize;
fn enable(&mut self, event: Event) { fn enable(&mut self, event: Event) {
let n = event as u32; let n = event as u32;
let word = n >> 5; let word = n / u32::BITS;
let bit = n & 0b11111; let bit = n % u32::BITS;
self.mask[word as usize] |= (1 << bit); self.mask[word as usize] |= (1 << bit);
} }
fn disable(&mut self, event: Event) { fn disable(&mut self, event: Event) {
let n = event as u32; let n = event as u32;
let word = n >> 5; let word = n / u32::BITS;
let bit = n & 0b11111; let bit = n % u32::BITS;
self.mask[word as usize] &= !(1 << bit); self.mask[word as usize] &= !(1 << bit);
} }
fn is_enabled(&self, event: Event) -> bool { fn is_enabled(&self, event: Event) -> bool {
let n = event as u32; let n = event as u32;
let word = n >> 5; let word = n / u32::BITS;
let bit = n & 0b11111; let bit = n % u32::BITS;
self.mask[word as usize] & (1 << bit) > 0 self.mask[word as usize] & (1 << bit) > 0
} }