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subtr_actor/stats/accumulators/
backboard.rs

1use super::*;
2
3/// Per-player accumulated backboard-bounce stats.
4#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, ts_rs::TS)]
5#[ts(export)]
6pub struct BackboardPlayerStats {
7    pub count: u32,
8    pub is_last_backboard: bool,
9    pub last_backboard_time: Option<f32>,
10    pub last_backboard_frame: Option<usize>,
11    pub time_since_last_backboard: Option<f32>,
12    pub frames_since_last_backboard: Option<usize>,
13}
14
15/// Per-team accumulated backboard-bounce stats.
16#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, ts_rs::TS)]
17#[ts(export)]
18pub struct BackboardTeamStats {
19    pub count: u32,
20}
21
22/// Accumulates backboard-bounce stats over the replay.
23#[derive(Debug, Clone, Default, PartialEq)]
24pub struct BackboardStatsAccumulator {
25    player_stats: HashMap<PlayerId, BackboardPlayerStats>,
26    team_zero_stats: BackboardTeamStats,
27    team_one_stats: BackboardTeamStats,
28    current_last_backboard_player: Option<PlayerId>,
29}
30
31impl BackboardStatsAccumulator {
32    pub fn new() -> Self {
33        Self::default()
34    }
35
36    pub fn player_stats(&self) -> &HashMap<PlayerId, BackboardPlayerStats> {
37        &self.player_stats
38    }
39
40    pub fn team_zero_stats(&self) -> &BackboardTeamStats {
41        &self.team_zero_stats
42    }
43
44    pub fn team_one_stats(&self) -> &BackboardTeamStats {
45        &self.team_one_stats
46    }
47
48    pub fn begin_sample(&mut self, frame: &FrameInfo) {
49        for stats in self.player_stats.values_mut() {
50            stats.is_last_backboard = false;
51            stats.time_since_last_backboard = stats
52                .last_backboard_time
53                .map(|time| (frame.time - time).max(0.0));
54            stats.frames_since_last_backboard = stats
55                .last_backboard_frame
56                .map(|last_frame| frame.frame_number.saturating_sub(last_frame));
57        }
58    }
59
60    pub fn apply_events(&mut self, frame: &FrameInfo, events: &[BackboardBounceEvent]) {
61        for event in events {
62            self.apply_event(frame, event);
63        }
64
65        if let Some(last_event) = events.last() {
66            self.current_last_backboard_player = Some(last_event.player.clone());
67        }
68
69        if let Some(player_id) = self.current_last_backboard_player.as_ref() {
70            if let Some(stats) = self.player_stats.get_mut(player_id) {
71                stats.is_last_backboard = true;
72            }
73        }
74    }
75
76    fn apply_event(&mut self, frame: &FrameInfo, event: &BackboardBounceEvent) {
77        let stats = self.player_stats.entry(event.player.clone()).or_default();
78        stats.count += 1;
79        stats.last_backboard_time = Some(event.time);
80        stats.last_backboard_frame = Some(event.frame);
81        stats.time_since_last_backboard = Some((frame.time - event.time).max(0.0));
82        stats.frames_since_last_backboard = Some(frame.frame_number.saturating_sub(event.frame));
83
84        let team_stats = if event.is_team_0 {
85            &mut self.team_zero_stats
86        } else {
87            &mut self.team_one_stats
88        };
89        team_stats.count += 1;
90    }
91}