subtr-actor 1.0.0

Rocket League replay transformer
Documentation 
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use super::*;

#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, ts_rs::TS)]
#[ts(export)]
pub struct WhiffStats {
    pub whiff_count: u32,
    pub beaten_to_ball_count: u32,
    pub grounded_whiff_count: u32,
    pub aerial_whiff_count: u32,
    pub dodge_whiff_count: u32,
    pub is_last_whiff: bool,
    pub last_whiff_time: Option<f32>,
    pub last_whiff_frame: Option<usize>,
    pub time_since_last_whiff: Option<f32>,
    pub frames_since_last_whiff: Option<usize>,
    pub last_closest_approach_distance: Option<f32>,
    pub best_closest_approach_distance: Option<f32>,
    pub cumulative_closest_approach_distance: f32,
    #[serde(default, skip_serializing_if = "LabeledCounts::is_empty")]
    pub labeled_whiff_counts: LabeledCounts,
}

impl WhiffStats {
    pub fn average_closest_approach_distance(&self) -> f32 {
        if self.whiff_count == 0 {
            0.0
        } else {
            self.cumulative_closest_approach_distance / self.whiff_count as f32
        }
    }

    pub(crate) fn record_whiff(&mut self, event: &WhiffEvent) {
        self.labeled_whiff_counts.increment(event.labels());
        self.sync_legacy_counts();
        self.last_whiff_time = Some(event.time);
        self.last_whiff_frame = Some(event.frame);
        self.last_closest_approach_distance = Some(event.closest_approach_distance);
        self.best_closest_approach_distance = Some(
            self.best_closest_approach_distance
                .map(|distance| distance.min(event.closest_approach_distance))
                .unwrap_or(event.closest_approach_distance),
        );
        self.cumulative_closest_approach_distance += event.closest_approach_distance;
    }

    pub fn whiff_count_with_labels(&self, labels: &[StatLabel]) -> u32 {
        self.labeled_whiff_counts.count_matching(labels)
    }

    pub fn complete_labeled_whiff_counts(&self) -> LabeledCounts {
        LabeledCounts::complete_from_label_sets(
            &[&VERTICAL_STATE_LABELS, &WHIFF_DODGE_STATE_LABELS],
            &self.labeled_whiff_counts,
        )
    }

    pub fn with_complete_labeled_whiff_counts(mut self) -> Self {
        self.labeled_whiff_counts = self.complete_labeled_whiff_counts();
        self
    }

    fn sync_legacy_counts(&mut self) {
        self.whiff_count = self.labeled_whiff_counts.total();
        self.grounded_whiff_count = self.whiff_count_with_labels(&[vertical_state_label(false)]);
        self.aerial_whiff_count = self.whiff_count_with_labels(&[vertical_state_label(true)]);
        self.dodge_whiff_count = self.whiff_count_with_labels(&[whiff_dodge_state_label(true)]);
    }
}

#[derive(Debug, Clone, Default, PartialEq)]
pub struct WhiffStatsAccumulator {
    player_stats: HashMap<PlayerId, WhiffStats>,
    current_last_whiff_player: Option<PlayerId>,
}

impl WhiffStatsAccumulator {
    pub fn new() -> Self {
        Self::default()
    }

    pub fn player_stats(&self) -> &HashMap<PlayerId, WhiffStats> {
        &self.player_stats
    }

    pub fn begin_sample(&mut self, frame: &FrameInfo) {
        for stats in self.player_stats.values_mut() {
            stats.is_last_whiff = false;
            stats.time_since_last_whiff = stats
                .last_whiff_time
                .map(|time| (frame.time - time).max(0.0));
            stats.frames_since_last_whiff = stats
                .last_whiff_frame
                .map(|last_frame| frame.frame_number.saturating_sub(last_frame));
        }
    }

    pub fn apply_event(&mut self, event: &WhiffEvent, frame: &FrameInfo) {
        let stats = self.player_stats.entry(event.player.clone()).or_default();
        match event.kind {
            WhiffEventKind::Whiff => {
                stats.record_whiff(event);
                stats.is_last_whiff = true;
                stats.time_since_last_whiff = Some((frame.time - event.time).max(0.0));
                stats.frames_since_last_whiff =
                    Some(frame.frame_number.saturating_sub(event.frame));
                self.current_last_whiff_player = Some(event.player.clone());
            }
            WhiffEventKind::BeatenToBall => {
                stats.beaten_to_ball_count += 1;
            }
        }
    }

    pub fn restore_current_last_event_marker(&mut self) {
        if let Some(player_id) = self.current_last_whiff_player.as_ref() {
            if let Some(stats) = self.player_stats.get_mut(player_id) {
                stats.is_last_whiff = true;
            }
        }
    }

    pub fn reset_current_last_event_marker(&mut self) {
        self.current_last_whiff_player = None;
    }
}