README.adoc

@@ -14,12 +14,43 @@ I figured, that since I already had to digitize every note, that I was required
 
 == Goals
 
+=== Gamelog
 * [*] Data Format
+** [*] Support recording multiple games
+** [*] Periods
+*** Quarters
+*** Overtime
+** [*] Teams
+*** Iowa
+*** Syracuse
+*** Texas A&M
+*** Colorado
+*** Nebraska
+*** Boise State [deprecated]
+*** Arizona State
+*** South Carolina
+** [*] Downs
+*** First - Fourth
+*** Kickoff
+*** PAT (Point After Touchdown)
+**** One
+**** Two
+**** Failed
+** [*] Score
+** [*] Terrain Position
+*** [*] Yards
+*** [*] In (Inches)
+*** [*] GL (Goal Line)
+** [*] Penalty
+** Out?
+** [*] Plays
+
+=== Miller:
 * [ ] Mathematics
-** [ ] Avg. Terrain Gain
-** [ ] Avg. Terrain Loss
-** [ ] Avg. Terrain Delta
-** [ ] Avg. Offence Plays per quarter
+** [*] Avg. Terrain Gain
+** [*] Avg. Terrain Loss
+** [*] Avg. Terrain Delta
+** [*] Avg. Offence Plays per quarter
 ** [ ] Avg. Offence Plays per game
 ** [ ] Avg. Penalties per game
 * [ ] Play Trend Analysis

gamelog/Cargo.lock

@@ -19,13 +19,20 @@ dependencies = [
 
 [[package]]
 name = "gamelog"
-version = "0.3.0"
+version = "0.5.0"
 dependencies = [
  "ron",
  "semver",
  "serde",
+ "strum",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.94"
@@ -57,6 +64,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2"
+
 [[package]]
 name = "semver"
 version = "1.0.26"
@@ -86,6 +99,28 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "strum"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f64def088c51c9510a8579e3c5d67c65349dcf755e5479ad3d010aa6454e2c32"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c77a8c5abcaf0f9ce05d62342b7d298c346515365c36b673df4ebe3ced01fde8"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.100"

gamelog/Cargo.toml

@@ -1,11 +1,15 @@
 [package]
 name = "gamelog"
-version = "0.3.0"
+version = "0.5.0"
 edition = "2024"
 
 [dependencies]
 ron = "0.9"
 
+[dependencies.strum]
+version = "0.27"
+features = ["derive"]
+
 [dependencies.semver]
 version = "1.0"
 features = ["serde"]

gamelog/src/action.rs

@@ -0,0 +1,138 @@
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize, Clone, Default, PartialEq)]
+pub enum Action {
+    CrackStudentBodyRightTackle,
+    Curls,
+    FleaFlicker,
+    HalfbackSlam,
+    HalfbackSlipScreen,
+    HalfbackSweep,
+    Mesh,
+    PlayActionBoot,
+    PlayActionComebacks,
+    PlayActionPowerZero,
+    PowerZero,
+    SlantBubble,
+    SlotOut,
+    SpeedOption,
+    StrongFlood,
+    #[default]
+    Unknown,
+}
+
+impl Action {
+    // I'd love a better way of doing these
+    // Attributes are probably the way to go,
+    // but I'm not about to write procedural macros for this project.
+
+    /// Returns `true` if `self` is a play action.
+    pub fn is_play_action(&self) -> bool {
+        if let Self::PlayActionBoot | Self::PlayActionComebacks | Self::PlayActionPowerZero = self {
+            true
+        } else {
+            false
+        }
+    }
+
+    /// Returns `true` if `self` is a halfback.
+    pub fn is_halfback(&self) -> bool {
+        if let Self::HalfbackSlam | Self::HalfbackSlipScreen | Self::HalfbackSweep = self {
+            true
+        } else {
+            true
+        }
+    }
+
+    /// Returns `true` if `self` is a running play.
+    pub fn is_run(&self) -> bool {
+        if let Self::HalfbackSlam
+        | Self::SpeedOption
+        | Self::HalfbackSweep
+        | Self::PowerZero
+        | Self::CrackStudentBodyRightTackle = self
+        {
+            true
+        } else {
+            false
+        }
+    }
+
+    /// Returns `true` if `self` is a passing play.
+    pub fn is_pass(&self) -> bool {
+        !self.is_run()
+    }
+
+    /// Returns `true` if `self` is `Event::Unknown`.
+    pub fn is_unknown(&self) -> bool {
+        if let Self::Unknown = self {
+            true
+        } else {
+            false
+        }
+    }
+
+    /// Returns the `Playset` that this action belongs to.
+    /// Returns `None` if `Event::Unknown`
+    pub fn playset(&self) -> Option<Playset> {
+        if self.is_unknown() {
+            return None;
+        }
+
+        Some(match self {
+            Self::SlantBubble | Self::HalfbackSlam | Self::PlayActionBoot => Playset::PistolSpread,
+            Self::StrongFlood | Self::SpeedOption | Self::HalfbackSlipScreen => {
+                Playset::ShotgunTripleWingsOffset
+            }
+            Self::SlotOut | Self::HalfbackSweep | Self::PlayActionComebacks => {
+                Playset::ShotgunDoubleFlex
+            }
+            Self::Curls | Self::PowerZero | Self::PlayActionPowerZero => Playset::IFormNormal,
+            Self::Mesh | Self::CrackStudentBodyRightTackle | Self::FleaFlicker => {
+                Playset::IFormTight
+            }
+            _ => unreachable!(),
+        })
+    }
+
+    /// Returns the `Key` that this action belongs to.
+    /// Returns `None` if `Event::Unknown`
+    pub fn key(&self) -> Option<Key> {
+        if self.is_unknown() {
+            return None;
+        }
+
+        // All running plays are on `Key::X`
+        if self.is_run() {
+            return Some(Key::X);
+        }
+
+        Some(match self {
+            Self::SlantBubble | Self::StrongFlood | Self::SlotOut | Self::Curls | Self::Mesh => {
+                Key::Square
+            }
+            Self::PlayActionBoot
+            | Self::HalfbackSlipScreen
+            | Self::PlayActionComebacks
+            | Self::PlayActionPowerZero
+            | Self::FleaFlicker => Key::Triangle,
+            _ => unreachable!(),
+        })
+    }
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Playset {
+    PistolSpread,
+    ShotgunTripleWingsOffset,
+    ShotgunDoubleFlex,
+    IFormNormal,
+    IFormTight,
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Key {
+    Square,
+    X,
+    Triangle,
+}

gamelog/src/error.rs

@@ -4,32 +4,44 @@ use std::{fmt, io};
 pub enum LogFileError {
     FailedToOpen(io::Error),
     RonSpannedError(ron::error::SpannedError),
-    CompatibilityCheck(semver::Version),
 }
 
 impl fmt::Display for LogFileError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             Self::FailedToOpen(err) => write!(f, "{}", err),
-            Self::CompatibilityCheck(ver) => write!(
-                f,
-                "GameLogs cannot be older than {}, but {} was found in logfile.",
-                crate::MIN_VER.to_string(),
-                ver.to_string()
-            ),
             Self::RonSpannedError(err) => write!(f, "{}", err),
         }
     }
 }
 
-pub enum DownError {
-    NotKickoff,
+#[derive(Debug)]
+pub enum TeamsError {
+    NumberFound(usize),
 }
 
-impl fmt::Display for DownError {
+impl fmt::Display for TeamsError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match *self {
-            Self::NotKickoff => write!(f, "Variant was not Down::Kickoff."),
+        match self {
+            Self::NumberFound(err) => write!(f, "Expected two, found: {:?}", err),
         }
     }
 }
+
+#[derive(Debug)]
+pub struct NoTeamAttribute;
+
+impl fmt::Display for NoTeamAttribute {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Object has no team definition.")
+    }
+}
+
+#[derive(Debug)]
+pub struct CannotDetermineTeams;
+
+impl fmt::Display for CannotDetermineTeams {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Cannot determine teams present.")
+    }
+}

gamelog/src/event.rs

@@ -0,0 +1,258 @@
+use crate::{Down, Play, Team, TerrainState, error};
+use serde::Deserialize;
+
+type Offence = Team;
+
+#[derive(Debug, Deserialize, Clone, PartialEq)]
+pub enum Event {
+    Kickoff(Offence),
+    Play(Play),
+    Turnover(Offence),
+    Penalty(TerrainState),
+    Score(ScorePoints),
+}
+
+impl Event {
+    pub fn delta(&self, following: &Self) -> Option<i8> {
+        // Clean this trash spaghetti code up.
+
+        fn make_play(event: &Event) -> Option<Play> {
+            match event {
+                Event::Kickoff(_) | Event::Turnover(_) => Some(Play::default()),
+                Event::Play(play) => {
+                    let p = play.to_owned();
+
+                    if p.down.is_none()
+                        || p.terrain.is_none()
+                        || p.terrain.as_ref()? == &TerrainState::Unknown
+                    {
+                        None
+                    } else {
+                        Some(p)
+                    }
+                }
+                _ => None,
+            }
+        }
+
+        let preceeding = make_play(self)?;
+        let following = if let Event::Turnover(_) = following {
+            // I should really just early return
+            // but this is too funny to look at.
+            None?
+        } else {
+            make_play(following)?
+        };
+
+        if following.down? == Down::First {
+            if let TerrainState::Yards(yrds) = preceeding.terrain? {
+                Some(yrds as i8)
+            } else {
+                None
+            }
+        } else {
+            let a = if let TerrainState::Yards(yrds) = preceeding.terrain? {
+                yrds
+            } else {
+                0_u8
+            };
+
+            let b = if let TerrainState::Yards(yrds) = following.terrain? {
+                yrds
+            } else {
+                0_u8
+            };
+
+            Some(a as i8 - b as i8)
+        }
+    }
+
+    pub fn team(&self) -> Result<Team, error::NoTeamAttribute> {
+        match self {
+            Self::Kickoff(team) => Ok(team.to_owned()),
+            Self::Turnover(team) => Ok(team.to_owned()),
+            _ => Err(error::NoTeamAttribute),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, PartialEq, Default)]
+pub enum ScorePoints {
+    #[default]
+    Touchdown,
+    FieldGoal,
+    Safety,
+    PatFail,
+    PatTouchdown,
+    PatFieldGoal,
+    PatSafety,
+}
+
+impl ScorePoints {
+    pub fn to_points(&self) -> u8 {
+        match &self {
+            Self::Touchdown => 6,
+            Self::FieldGoal => 3,
+            Self::Safety => 2,
+            Self::PatFail => 0,
+            Self::PatTouchdown => 2,
+            Self::PatFieldGoal => 1,
+            Self::PatSafety => 1,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::*;
+
+    #[test]
+    fn delta() {
+        let kickoff = Event::Kickoff(Team::Nebraska);
+
+        let first_down = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::First),
+            terrain: Some(TerrainState::Yards(10)),
+        });
+
+        let second_down = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::Second),
+            terrain: Some(TerrainState::Yards(10)),
+        });
+
+        let third_down = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::Third),
+            terrain: Some(TerrainState::Yards(13)),
+        });
+
+        let fourth_down = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::Fourth),
+            terrain: Some(TerrainState::Yards(5)),
+        });
+
+        let penalty = Event::Penalty(TerrainState::Yards(15));
+
+        let turnover = Event::Turnover(Team::Nebraska);
+
+        let noned_down = Event::Play(Play {
+            action: Action::Unknown,
+            down: None,
+            terrain: None,
+        });
+
+        let score = Event::Score(ScorePoints::default());
+
+        let goal_line = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::First),
+            terrain: Some(TerrainState::GoalLine),
+        });
+
+        let inches = Event::Play(Play {
+            action: Action::Unknown,
+            down: Some(Down::First),
+            terrain: Some(TerrainState::Inches),
+        });
+
+        assert!(10_i8 == kickoff.delta(&first_down).unwrap());
+        assert!(0_i8 == kickoff.delta(&second_down).unwrap());
+        assert!(None == kickoff.delta(&penalty));
+        assert!(None == kickoff.delta(&score));
+
+        assert!(10_i8 == first_down.delta(&kickoff).unwrap());
+        assert!(10_i8 == first_down.delta(&first_down).unwrap());
+        assert!(0_i8 == first_down.delta(&second_down).unwrap());
+        assert!(None == first_down.delta(&turnover));
+        assert!(None == first_down.delta(&penalty));
+        assert!(None == first_down.delta(&score));
+        assert!(10_i8 == first_down.delta(&goal_line).unwrap());
+        assert!(10_i8 == first_down.delta(&inches).unwrap());
+        assert!(None == first_down.delta(&noned_down));
+
+        assert!(10_i8 == second_down.delta(&kickoff).unwrap());
+        assert!(10_i8 == second_down.delta(&first_down).unwrap());
+        assert!(-3_i8 == second_down.delta(&third_down).unwrap());
+        assert!(None == second_down.delta(&turnover));
+        assert!(None == second_down.delta(&penalty));
+        assert!(None == second_down.delta(&score));
+        assert!(10_i8 == second_down.delta(&goal_line).unwrap());
+        assert!(10_i8 == second_down.delta(&inches).unwrap());
+        assert!(None == second_down.delta(&noned_down));
+
+        assert!(13_i8 == third_down.delta(&kickoff).unwrap());
+        assert!(13_i8 == third_down.delta(&first_down).unwrap());
+        assert!(8_i8 == third_down.delta(&fourth_down).unwrap());
+        assert!(None == third_down.delta(&turnover));
+        assert!(None == third_down.delta(&penalty));
+        assert!(None == third_down.delta(&score));
+        assert!(13_i8 == third_down.delta(&goal_line).unwrap());
+        assert!(13_i8 == third_down.delta(&inches).unwrap());
+        assert!(None == third_down.delta(&noned_down));
+
+        assert!(5_i8 == fourth_down.delta(&kickoff).unwrap());
+        assert!(5_i8 == fourth_down.delta(&first_down).unwrap());
+        assert!(None == fourth_down.delta(&turnover));
+        assert!(None == fourth_down.delta(&penalty));
+        assert!(None == fourth_down.delta(&score));
+        assert!(5_i8 == fourth_down.delta(&goal_line).unwrap());
+        assert!(5_i8 == fourth_down.delta(&inches).unwrap());
+        assert!(None == fourth_down.delta(&noned_down));
+
+        assert!(10_i8 == turnover.delta(&first_down).unwrap());
+        assert!(0_i8 == turnover.delta(&second_down).unwrap());
+        assert!(None == turnover.delta(&turnover));
+        assert!(None == turnover.delta(&penalty));
+        assert!(None == turnover.delta(&score));
+        assert!(10_i8 == turnover.delta(&goal_line).unwrap());
+        assert!(10_i8 == turnover.delta(&inches).unwrap());
+        assert!(None == turnover.delta(&noned_down));
+
+        assert!(None == score.delta(&kickoff));
+        assert!(None == score.delta(&first_down));
+        assert!(None == score.delta(&second_down));
+        assert!(None == score.delta(&third_down));
+        assert!(None == score.delta(&fourth_down));
+        assert!(None == score.delta(&turnover));
+        assert!(None == score.delta(&penalty));
+        assert!(None == score.delta(&goal_line));
+        assert!(None == score.delta(&inches));
+        assert!(None == score.delta(&score));
+
+        assert!(None == goal_line.delta(&kickoff));
+        assert!(None == goal_line.delta(&first_down));
+        assert!(-10_i8 == goal_line.delta(&second_down).unwrap());
+        assert!(-13_i8 == goal_line.delta(&third_down).unwrap());
+        assert!(-5_i8 == goal_line.delta(&fourth_down).unwrap());
+        assert!(None == goal_line.delta(&turnover));
+        assert!(None == goal_line.delta(&penalty));
+        assert!(None == goal_line.delta(&goal_line));
+        assert!(None == goal_line.delta(&inches));
+        assert!(None == goal_line.delta(&score));
+
+        assert!(None == inches.delta(&kickoff));
+        assert!(None == inches.delta(&first_down));
+        assert!(-10_i8 == goal_line.delta(&second_down).unwrap());
+        assert!(-13_i8 == goal_line.delta(&third_down).unwrap());
+        assert!(-5_i8 == goal_line.delta(&fourth_down).unwrap());
+        assert!(None == inches.delta(&turnover));
+        assert!(None == inches.delta(&penalty));
+        assert!(None == inches.delta(&goal_line));
+        assert!(None == inches.delta(&inches));
+        assert!(None == inches.delta(&score));
+
+        assert!(None == noned_down.delta(&kickoff));
+        assert!(None == noned_down.delta(&first_down));
+        assert!(None == noned_down.delta(&second_down));
+        assert!(None == noned_down.delta(&third_down));
+        assert!(None == noned_down.delta(&fourth_down));
+        assert!(None == noned_down.delta(&turnover));
+        assert!(None == noned_down.delta(&penalty));
+        assert!(None == noned_down.delta(&goal_line));
+        assert!(None == noned_down.delta(&inches));
+        assert!(None == noned_down.delta(&score));
+    }
+}

gamelog/src/file.rs

@@ -3,13 +3,34 @@ use serde::Deserialize;
 use std::{fs::File, path::PathBuf};
 
 #[derive(Debug, Deserialize, Clone)]
-pub struct LogFile(Vec<super::Game>);
+pub struct LogFile(pub Vec<super::Game>);
+
+impl LogFile {
+    pub fn min_ver(&self) -> semver::Version {
+        let mut lowest = semver::Version::new(u64::MAX, u64::MAX, u64::MAX);
+
+        self.0.iter().for_each(|x| {
+            if x.version.cmp_precedence(&lowest).is_lt() {
+                lowest = x.version.clone()
+            }
+        });
+
+        lowest
+    }
+
+    /// Returns if the LogFile min version is compatible.
+    pub fn is_compatible(&self) -> bool {
+        self.min_ver().cmp_precedence(&crate::MIN_VER).is_lt()
+    }
+}
 
 impl TryFrom<File> for LogFile {
     type Error = ron::error::SpannedError;
 
     fn try_from(file: File) -> Result<Self, Self::Error> {
-        ron::de::from_reader(file)
+        ron::Options::default()
+            .with_default_extension(ron::extensions::Extensions::EXPLICIT_STRUCT_NAMES)
+            .from_reader(file)
     }
 }
 
@@ -31,34 +52,3 @@ impl TryFrom<PathBuf> for LogFile {
         }
     }
 }
-
-impl LogFile {
-    pub fn get_min_ver(self) -> semver::Version {
-        let mut lowest = semver::Version::new(u64::MAX, u64::MAX, u64::MAX);
-
-        self.0.iter().for_each(|x| {
-            if x.version.cmp_precedence(&lowest).is_lt() {
-                lowest = x.version.clone()
-            }
-        });
-
-        lowest
-    }
-
-    /// Returns if the LogFile min version is compatible.
-    fn is_compatible(&self) -> bool {
-        self.clone()
-            .get_min_ver()
-            .cmp_precedence(&super::MIN_VER)
-            .is_lt()
-    }
-
-    /// Ensures that the returned gamefile is compatible, else returns Error.
-    pub fn ensure_compatible(self) -> Result<Self, error::LogFileError> {
-        if self.is_compatible() {
-            Ok(self)
-        } else {
-            Err(error::LogFileError::CompatibilityCheck(self.get_min_ver()))
-        }
-    }
-}

gamelog/src/game.rs

@@ -0,0 +1,409 @@
+use crate::{Event, Period, Team, error};
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct Game {
+    pub version: semver::Version,
+    pub flags: Vec<Flags>,
+    pub periods: Vec<Period>,
+}
+
+impl Game {
+    /// Returns the teams of this game.
+    pub fn teams(&self) -> Result<Vec<Team>, error::TeamsError> {
+        let ignore: Vec<Team> = self
+            .flags
+            .iter()
+            .filter_map(|flag| {
+                if let Flags::IgnoreTeam(team) = flag {
+                    Some(team.to_owned())
+                } else {
+                    None
+                }
+            })
+            .collect();
+
+        let mut teams = vec![];
+
+        self.periods.iter().for_each(|period| {
+            for event in period.events.iter() {
+                if let Ok(team) = event.team() {
+                    if !ignore.contains(&team) && !teams.contains(&team) {
+                        teams.push(team)
+                    }
+                }
+            }
+        });
+
+        if teams.len() == 2 || ignore.len() != 0 {
+            Ok(teams)
+        } else {
+            Err(error::TeamsError::NumberFound(teams.len()))
+        }
+    }
+
+    pub fn deltas(&self, team: Team) -> Vec<i8> {
+        let events = self
+            .periods
+            .iter()
+            .filter_map(|period| Some(period.team_events(team.to_owned(), None).ok().unwrap()))
+            .collect::<Vec<Vec<Event>>>()
+            .concat();
+        let len = events.len() - 1;
+        let mut idx: usize = 0;
+        let mut deltas: Vec<i8> = vec![];
+
+        while idx < len {
+            if let Some(value) = events[idx].delta(&events[idx + 1]) {
+                deltas.push(value);
+            }
+
+            idx += 1
+        }
+
+        deltas
+    }
+
+    pub fn team_plays(&self, team: Team) -> usize {
+        self.periods
+            .iter()
+            .filter_map(|period| {
+                if !period.is_overtime() {
+                    let plays = period.team_plays(team.to_owned(), None);
+                    Some(plays.unwrap().len())
+                } else {
+                    None
+                }
+            })
+            .collect::<Vec<usize>>()
+            .iter()
+            .sum::<usize>()
+    }
+
+    /// The average number of plays in a quarter.
+    /// Does not include OT plays or quarters where team indeterminate.
+    pub fn avg_plays_per_quarter(&self, team: Team) -> f32 {
+        // Handle if teams known at start or not override via index calculation of all game events.
+
+        let quarterly_avgs: Vec<f32> = self
+            .periods
+            .iter()
+            .filter_map(|period| {
+                if !period.is_overtime() {
+                    let plays = period.team_plays(team.to_owned(), None);
+                    Some(plays.unwrap().len() as f32 / period.quarters().len() as f32)
+                } else {
+                    None
+                }
+            })
+            .collect::<Vec<f32>>();
+
+        quarterly_avgs.iter().sum::<f32>() / quarterly_avgs.len() as f32
+    }
+
+    pub fn avg_delta(&self, team: Team) -> f32 {
+        let deltas = self.deltas(team);
+
+        // Summation doesn't like directly returning f32 from i8.
+        deltas.iter().sum::<i8>() as f32 / deltas.len() as f32
+    }
+
+    pub fn avg_gain(&self, team: Team) -> f32 {
+        let deltas: Vec<u8> = self
+            .deltas(team)
+            .iter()
+            .filter_map(|value| {
+                if value.is_positive() {
+                    Some(value.to_owned() as u8)
+                } else {
+                    None
+                }
+            })
+            .collect();
+
+        // Summation doesn't like directly returning f32 from u8.
+        deltas.iter().sum::<u8>() as f32 / deltas.len() as f32
+    }
+
+    pub fn avg_loss(&self, team: Team) -> f32 {
+        let deltas: Vec<i8> = self
+            .deltas(team)
+            .iter()
+            .filter_map(|value| {
+                if value.is_negative() {
+                    Some(value.to_owned())
+                } else {
+                    None
+                }
+            })
+            .collect();
+
+        deltas.iter().sum::<i8>() as f32 / deltas.len() as f32
+    }
+
+    pub fn penalties(&self, team: Team) -> usize {
+        self.periods
+            .iter()
+            .filter_map(|period| {
+                Some(
+                    period
+                        .team_events(team.to_owned(), None)
+                        .ok()?
+                        .iter()
+                        .filter_map(|event| {
+                            if let Event::Penalty(_) = event {
+                                Some(event.to_owned())
+                            } else {
+                                None
+                            }
+                        })
+                        .collect::<Vec<Event>>(),
+                )
+            })
+            .collect::<Vec<Vec<Event>>>()
+            .concat()
+            .len()
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, PartialEq)]
+pub enum Flags {
+    IgnoreTeam(Team),
+    IgnoreScore,
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::*;
+
+    #[test]
+    fn avg_plays_per_quarter() {
+        let a = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![
+                        Event::Kickoff(Team::Nebraska),
+                        Event::Play(Play::default()),
+                        Event::Turnover(Team::ArizonaState),
+                    ],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: Some(Quarter::Fourth),
+                    events: vec![
+                        Event::Turnover(Team::Nebraska),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Turnover(Team::ArizonaState),
+                    ],
+                },
+            ],
+        };
+
+        let b = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![Period {
+                start: Quarter::Second,
+                end: Some(Quarter::Fourth),
+                events: vec![
+                    Event::Turnover(Team::Nebraska),
+                    Event::Play(Play::default()),
+                    Event::Turnover(Team::ArizonaState),
+                ],
+            }],
+        };
+
+        assert!(a.avg_plays_per_quarter(Team::Nebraska) == ((1_f32 + 2_f32) / 2_f32));
+        assert!(b.avg_plays_per_quarter(Team::Nebraska) == (1_f32 / 3_f32))
+    }
+
+    #[test]
+    fn team_plays() {
+        let a = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![
+                        Event::Kickoff(Team::Nebraska),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                    ],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: Some(Quarter::Fourth),
+                    events: vec![
+                        Event::Turnover(Team::Nebraska),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                        Event::Play(Play::default()),
+                    ],
+                },
+            ],
+        };
+
+        assert!(a.team_plays(Team::Nebraska) == 12_usize)
+    }
+
+    #[test]
+    #[allow(deprecated)]
+    fn teams() {
+        let a = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![Event::Kickoff(Team::Nebraska)],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: Some(Quarter::Fourth),
+                    events: vec![
+                        Event::Turnover(Team::ArizonaState),
+                        Event::Kickoff(Team::Nebraska),
+                    ],
+                },
+            ],
+        };
+
+        let b = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![Event::Kickoff(Team::Nebraska)],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: Some(Quarter::Fourth),
+                    events: vec![
+                        Event::Turnover(Team::ArizonaState),
+                        Event::Kickoff(Team::BoiseState),
+                    ],
+                },
+            ],
+        };
+
+        let c = Game {
+            version: crate::MIN_VER,
+            flags: vec![Flags::IgnoreTeam(Team::Nebraska)],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![Event::Kickoff(Team::Nebraska)],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: Some(Quarter::Fourth),
+                    events: vec![
+                        Event::Turnover(Team::ArizonaState),
+                        Event::Kickoff(Team::Nebraska),
+                    ],
+                },
+            ],
+        };
+
+        let d = Game {
+            version: crate::MIN_VER,
+            flags: vec![Flags::IgnoreTeam(Team::Nebraska)],
+            periods: vec![Period {
+                start: Quarter::First,
+                end: None,
+                events: vec![Event::Kickoff(Team::Nebraska)],
+            }],
+        };
+
+        assert!(a.teams().unwrap() == vec![Team::Nebraska, Team::ArizonaState]);
+        assert!(b.teams().is_err() == true);
+        assert!(c.teams().unwrap() == vec![Team::ArizonaState]);
+        assert!(d.teams().unwrap() == vec![]);
+    }
+
+    #[test]
+    fn deltas() {
+        let game = Game {
+            version: crate::MIN_VER,
+            flags: vec![],
+            periods: vec![
+                Period {
+                    start: Quarter::First,
+                    end: None,
+                    events: vec![
+                        Event::Kickoff(Team::Nebraska),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::First),
+                            terrain: Some(TerrainState::Yards(10)),
+                        }),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::Second),
+                            terrain: Some(TerrainState::Yards(13)),
+                        }),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::Third),
+                            terrain: Some(TerrainState::Yards(8)),
+                        }),
+                        Event::Turnover(Team::ArizonaState),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::First),
+                            terrain: Some(TerrainState::Yards(10)),
+                        }),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::Second),
+                            terrain: Some(TerrainState::Yards(10)),
+                        }),
+                        Event::Turnover(Team::Nebraska),
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::Second),
+                            terrain: Some(TerrainState::Yards(12)),
+                        }),
+                    ],
+                },
+                Period {
+                    start: Quarter::Second,
+                    end: None,
+                    events: vec![
+                        Event::Play(Play {
+                            action: Action::Unknown,
+                            down: Some(Down::First),
+                            terrain: Some(TerrainState::Yards(10)),
+                        }),
+                        Event::Turnover(Team::ArizonaState),
+                    ],
+                },
+            ],
+        };
+
+        assert!(dbg!(game.deltas(Team::Nebraska)) == vec![10_i8, -3_i8, 5_i8, -2_i8, 12_i8]);
+        assert!(dbg!(game.deltas(Team::ArizonaState)) == vec![10_i8, 0_i8]);
+    }
+}

gamelog/src/lib.rs

@@ -1,13 +1,21 @@
+mod action;
 mod error;
+mod event;
 mod file;
+mod game;
 mod period;
+#[allow(deprecated)]
 mod play;
 mod terrain;
 
 #[allow(unused)]
-pub const MIN_VER: semver::Version = semver::Version::new(0, 3, 0);
+pub const MIN_VER: semver::Version = semver::Version::new(0, 5, 0);
 
-pub use file::LogFile;
+// I'm lazy.
+pub use action::*;
+pub use event::*;
+pub use file::*;
+pub use game::*;
 pub use period::*;
 pub use play::*;
-pub use terrain::TerrainState;
+pub use terrain::*;

gamelog/src/period.rs

@@ -1,22 +1,129 @@
+use crate::{Event, Play, Team, error};
 use serde::Deserialize;
 
-#[deprecated(since = "0.2.0", note = "Migrated to Game")]
-type GameRecord = Game;
-
-#[derive(Debug, Deserialize, Clone)]
-pub struct Game {
-    pub version: semver::Version,
-    periods: Vec<Option<Period>>,
-}
-
 #[derive(Debug, Deserialize, Clone)]
 pub struct Period {
-    start: Quarter,
-    end: Option<Quarter>,
-    plays: Vec<super::Play>,
+    pub start: Quarter,
+    pub end: Option<Quarter>,
+    pub events: Vec<Event>,
 }
 
-#[derive(Debug, Deserialize, Clone)]
+impl Period {
+    pub fn team_events(
+        &self,
+        team: Team,
+        assume_team_known: Option<bool>,
+    ) -> Result<Vec<Event>, error::CannotDetermineTeams> {
+        let mut events: Vec<Event> = vec![];
+        let mut first = true;
+        let mut record: bool = true;
+        let assume_team_known = assume_team_known.unwrap_or(false);
+
+        for event in self.events.iter() {
+            if let Event::Kickoff(_) | Event::Turnover(_) = event {
+                record = {
+                    if team == event.team().unwrap() {
+                        // Wipe events vec if the start of quarter was opposition
+                        // on offence.
+                        if first {
+                            events = vec![];
+                        }
+
+                        true
+                    } else {
+                        events.push(event.to_owned());
+                        false
+                    }
+                };
+
+                first = false;
+            }
+
+            if record {
+                events.push(event.to_owned());
+            }
+        }
+
+        // If already handled or assumption override applicable
+        if !first || (first && assume_team_known) {
+            Ok(events)
+        } else {
+            Err(error::CannotDetermineTeams)
+        }
+    }
+
+    pub fn team_plays(
+        &self,
+        team: Team,
+        assume_team_known: Option<bool>,
+    ) -> Result<Vec<Play>, error::CannotDetermineTeams> {
+        Ok(self
+            .team_events(team, assume_team_known)?
+            .iter()
+            .filter_map(|event| {
+                if let Event::Play(play) = event {
+                    Some(play.to_owned())
+                } else {
+                    None
+                }
+            })
+            .collect())
+    }
+
+    pub fn quarters(&self) -> Vec<Quarter> {
+        let mut quarters: Vec<Quarter> = vec![self.start.to_owned()];
+
+        if self.end.is_none() {
+            return quarters;
+        }
+
+        let order = vec![
+            Quarter::First,
+            Quarter::Second,
+            Quarter::Third,
+            Quarter::Fourth,
+        ];
+
+        let start = if let Quarter::Overtime(x) = self.start {
+            (3 + x) as usize
+        } else {
+            order.iter().position(|q| q == &self.start).unwrap()
+        };
+
+        let end = if let Quarter::Overtime(x) = self.end.as_ref().unwrap() {
+            (3 + x) as usize
+        } else {
+            order
+                .iter()
+                .position(|q| q == self.end.as_ref().unwrap())
+                .unwrap()
+        };
+
+        let range: Vec<usize> = ((start + 1)..=end).collect();
+
+        for i in range {
+            quarters.push(match i {
+                0 => Quarter::First,
+                1 => Quarter::Second,
+                2 => Quarter::Third,
+                3 => Quarter::Fourth,
+                _ => Quarter::Overtime((i - 3) as u8),
+            });
+        }
+
+        quarters
+    }
+
+    pub fn is_overtime(&self) -> bool {
+        if self.start.is_overtime() || self.end.as_ref().is_some_and(|some| some.is_overtime()) {
+            true
+        } else {
+            false
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Clone, PartialEq)]
 pub enum Quarter {
     First,
     Second,
@@ -24,3 +131,159 @@ pub enum Quarter {
     Fourth,
     Overtime(u8),
 }
+
+impl Quarter {
+    pub fn is_overtime(&self) -> bool {
+        if let Self::Overtime(_) = self {
+            true
+        } else {
+            false
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::*;
+
+    #[test]
+    fn team_events() {
+        let a = Period {
+            start: Quarter::First,
+            end: None,
+            events: vec![
+                Event::Kickoff(Team::Nebraska),
+                Event::Play(Play::default()),
+                Event::Turnover(Team::ArizonaState),
+                Event::Play(Play::default()),
+                Event::Play(Play::default()),
+                Event::Kickoff(Team::Nebraska),
+                Event::Score(ScorePoints::Touchdown),
+                Event::Kickoff(Team::SouthCarolina),
+            ],
+        };
+
+        let b = Period {
+            start: Quarter::Second,
+            end: None,
+            events: vec![
+                Event::Play(Play::default()),
+                Event::Turnover(Team::SouthCarolina),
+            ],
+        };
+
+        let c = Period {
+            start: Quarter::Second,
+            end: None,
+            events: vec![
+                Event::Play(Play::default()),
+                Event::Turnover(Team::Nebraska),
+            ],
+        };
+
+        let d = Period {
+            start: Quarter::Second,
+            end: None,
+            events: vec![Event::Play(Play::default())],
+        };
+
+        assert!(
+            a.team_events(Team::Nebraska, None).unwrap()
+                == vec![
+                    Event::Kickoff(Team::Nebraska),
+                    Event::Play(Play::default()),
+                    Event::Turnover(Team::ArizonaState),
+                    Event::Kickoff(Team::Nebraska),
+                    Event::Score(ScorePoints::Touchdown),
+                    Event::Kickoff(Team::SouthCarolina),
+                ]
+        );
+        assert!(
+            b.team_events(Team::Nebraska, None).unwrap()
+                == vec![
+                    Event::Play(Play::default()),
+                    Event::Turnover(Team::SouthCarolina)
+                ]
+        );
+        assert!(
+            c.team_events(Team::Nebraska, None).unwrap() == vec![Event::Turnover(Team::Nebraska)]
+        );
+        assert!(true == d.team_events(Team::Nebraska, None).is_err());
+        assert!(false == d.team_events(Team::Nebraska, Some(true)).is_err())
+    }
+
+    #[test]
+    fn team_plays() {
+        let period = Period {
+            start: Quarter::First,
+            end: None,
+            events: vec![
+                Event::Kickoff(Team::Nebraska),
+                Event::Play(Play::default()),
+                Event::Turnover(Team::ArizonaState),
+                Event::Play(Play::default()),
+                Event::Play(Play::default()),
+                Event::Kickoff(Team::Nebraska),
+                Event::Play(Play::default()),
+                Event::Score(ScorePoints::default()),
+                Event::Kickoff(Team::SouthCarolina),
+                Event::Play(Play::default()),
+                Event::Turnover(Team::Nebraska),
+                Event::Play(Play::default()),
+            ],
+        };
+
+        assert!(
+            period.team_plays(Team::Nebraska, None).unwrap()
+                == vec![Play::default(), Play::default(), Play::default()]
+        );
+    }
+
+    #[test]
+    fn quarters() {
+        let first = Period {
+            start: Quarter::First,
+            end: None,
+            events: vec![],
+        };
+
+        let second_fourth = Period {
+            start: Quarter::Second,
+            end: Some(Quarter::Fourth),
+            events: vec![],
+        };
+
+        let third_ot_three = Period {
+            start: Quarter::Third,
+            end: Some(Quarter::Overtime(3)),
+            events: vec![],
+        };
+
+        let ot_one_three = Period {
+            start: Quarter::Overtime(1),
+            end: Some(Quarter::Overtime(3)),
+            events: vec![],
+        };
+
+        assert!(first.quarters() == vec![Quarter::First]);
+        assert!(second_fourth.quarters() == vec![Quarter::Second, Quarter::Third, Quarter::Fourth]);
+        assert!(
+            third_ot_three.quarters()
+                == vec![
+                    Quarter::Third,
+                    Quarter::Fourth,
+                    Quarter::Overtime(1),
+                    Quarter::Overtime(2),
+                    Quarter::Overtime(3)
+                ]
+        );
+        assert!(
+            ot_one_three.quarters()
+                == vec![
+                    Quarter::Overtime(1),
+                    Quarter::Overtime(2),
+                    Quarter::Overtime(3)
+                ]
+        )
+    }
+}

gamelog/src/play.rs

@@ -1,57 +1,33 @@
-use crate::{TerrainState, error};
+use crate::{Action, TerrainState};
 use serde::Deserialize;
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Clone, PartialEq)]
 pub struct Play {
-    down: Down,
-    terrain: TerrainState,
+    pub action: Action,
+    pub down: Option<Down>,
+    pub terrain: Option<TerrainState>,
 }
 
-type Offence = Team;
-impl Offence {}
-
-#[derive(Debug, Deserialize, Clone)]
-pub enum Event {
-    CrackStudentBodyRightTackle(Play),
-    Curls(Play),
-    FleaFlicker(Play),
-    HalfbackSlam(Play),
-    HalfbackSlipScreen(Play),
-    HalfbackSweep(Play),
-    Mesh(Play),
-    PlayActionBoot(Play),
-    PlayActionComebacks(Play),
-    PlayActionPowerZero(Play),
-    PowerZero(Play),
-    SlantBubble(Play),
-    SlotOut(Play),
-    SpeedOption(Play),
-    StrongFlood(Play),
-    Unknown(Play),
-    Kickoff { offence: Team },
-    Turnover { offence: Team },
-    Penalty { terrain: TerrainState },
-}
-
-#[derive(Debug, Deserialize, Clone)]
-pub enum Down {
-    First,
-    Second,
-    Third,
-    Fourth,
-    PointAfterTouchdown,
-}
-
-impl Down {
-    fn get_offence(&self) -> Result<&Team, error::DownError> {
-        match self {
-            Self::Kickoff { offence } => Ok(offence),
-            _ => Err(error::DownError::NotKickoff),
+impl Default for Play {
+    fn default() -> Self {
+        Self {
+            action: Action::default(),
+            down: Some(Down::First),
+            terrain: Some(TerrainState::Yards(10)),
         }
     }
 }
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Clone, Default, PartialEq)]
+pub enum Down {
+    #[default]
+    First,
+    Second,
+    Third,
+    Fourth,
+}
+
+#[derive(Debug, Deserialize, Clone, PartialEq)]
 pub enum Team {
     ArizonaState,
     #[deprecated(since = "0.2.0", note = "Team left the project.")]

gamelog/src/terrain.rs

@@ -1,11 +1,10 @@
 use serde::Deserialize;
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Clone, Default, PartialEq)]
 pub enum TerrainState {
-    #[deprecated(since = "0.2.0", note = "Replaced in favour of TerrainState::Yards")]
-    Distance(u8),
     Yards(u8),
     GoalLine,
     Inches,
+    #[default]
     Unknown,
 }

miller/Cargo.lock

@@ -64,11 +64,12 @@ checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
 
 [[package]]
 name = "gamelog"
-version = "0.3.0"
+version = "0.5.0"
 dependencies = [
  "ron",
  "semver",
  "serde",
+ "strum",
 ]
 
 [[package]]
@@ -116,6 +117,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2"
+
 [[package]]
 name = "semver"
 version = "1.0.26"
@@ -151,6 +158,28 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "strum"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f64def088c51c9510a8579e3c5d67c65349dcf755e5479ad3d010aa6454e2c32"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c77a8c5abcaf0f9ce05d62342b7d298c346515365c36b673df4ebe3ced01fde8"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.100"

miller/Cargo.toml

@@ -3,7 +3,6 @@ name = "miller"
 version = "0.1.0"
 edition = "2024"
 license = "MIT"
-license-file = "LICENSE"
 
 [dependencies.clap]
 version = "4.5"

miller/src/main.rs

@@ -1,38 +1,140 @@
-mod calculator;
-
-use clap::Parser;
+use clap::{ArgAction, Parser};
 use core::panic;
-use gamelog::LogFile;
+use gamelog::{Action, Flags, Key, LogFile, Team};
 use std::path::PathBuf;
 
 #[derive(Debug, Parser)]
+#[clap(author, version, about)]
 struct Args {
     /// Path to source file or block device
     #[arg(
         short,
         long,
         value_hint = clap::ValueHint::DirPath,
-        default_value = format!("{}/templates/logfile.ron", std::env::current_dir()
+        default_value = format!("{}/../templates/logfile.ron", std::env::current_dir()
             .expect("Failed to get current working dir.")
             .into_os_string()
             .to_str()
             .unwrap())
     )]
     logfile_path: PathBuf,
+
+    // Behaviour is backwards.
+    // ArgAction::SetFalse by default evaluates to true,
+    // ArgAction::SetTrue by default evaluates to false.
+    #[arg(short, long, action=ArgAction::SetFalse)]
+    display_results: bool,
 }
 
 fn main() {
     let config = Args::parse();
 
-    let log: LogFile = {
-        let file = match LogFile::try_from(config.logfile_path) {
-            Ok(f) => f,
-            Err(err) => panic!("Error: Failed to open logfile: {:?}", err),
-        };
-
-        match file.ensure_compatible() {
-            Ok(f) => f,
-            Err(err) => panic!("Error: Failed to ensure logfile compatibility: {:?}", err),
-        }
+    let log: LogFile = match LogFile::try_from(config.logfile_path) {
+        Ok(f) => f,
+        Err(err) => panic!("Error: Failed to open logfile: {:?}", err),
     };
+
+    let mut stats = vec![
+        TeamStats::new(Team::ArizonaState),
+        #[allow(deprecated)]
+        TeamStats::new(Team::BoiseState),
+        TeamStats::new(Team::Colorado),
+        TeamStats::new(Team::Iowa),
+        TeamStats::new(Team::Nebraska),
+        TeamStats::new(Team::Syracuse),
+        TeamStats::new(Team::SouthCarolina),
+        TeamStats::new(Team::TexasAnM),
+    ];
+
+    // Work on knocking down the nesting here?
+    for game in log.0.iter() {
+        if let Ok(teams) = game.teams() {
+            for team in teams {
+                if !game.flags.contains(&Flags::IgnoreTeam(team.to_owned())) {
+                    // Team is to have their stats recorded this game of file.
+                    let team_idx = stats
+                        .iter()
+                        .position(|stat| {
+                            if stat.team == team.to_owned() {
+                                true
+                            } else {
+                                false
+                            }
+                        })
+                        .unwrap();
+
+                    stats[team_idx]
+                        .avg_terrain_gain
+                        .push(game.avg_gain(team.to_owned()));
+
+                    stats[team_idx]
+                        .avg_terrain_loss
+                        .push(game.avg_loss(team.to_owned()));
+
+                    stats[team_idx]
+                        .avg_terrain_delta
+                        .push(game.avg_delta(team.to_owned()));
+
+                    stats[team_idx]
+                        .plays_per_quarter
+                        .push(game.avg_plays_per_quarter(team.to_owned()));
+
+                    stats[team_idx]
+                        .plays_per_game
+                        .push(game.team_plays(team.to_owned()));
+
+                    stats[team_idx]
+                        .penalties_per_game
+                        .push(game.penalties(team.to_owned()));
+                }
+            }
+        }
+    }
+
+    if dbg!(config.display_results) {
+        // :#? for pretty-printing.
+        stats.iter().for_each(|team| println!("{:#?}", team));
+    }
+}
+
+#[derive(Debug)]
+struct TeamStats {
+    team: gamelog::Team,
+    // Terrain
+    avg_terrain_gain: Vec<f32>,
+    avg_terrain_loss: Vec<f32>,
+    avg_terrain_delta: Vec<f32>,
+    // Play rate
+    plays_per_quarter: Vec<f32>,
+    plays_per_game: Vec<usize>,
+    // Penalties
+    penalties_per_game: Vec<usize>,
+    // Score
+    points_per_quarter: Vec<u8>,
+    points_per_game: Vec<u8>,
+    // Biases
+    most_common_play: Option<Action>,
+    least_common_play: Option<Action>,
+    most_common_key: Option<Key>,
+    least_common_key: Option<Key>,
+}
+
+impl TeamStats {
+    fn new(team: Team) -> Self {
+        TeamStats {
+            team,
+            avg_terrain_gain: vec![],
+            avg_terrain_loss: vec![],
+            avg_terrain_delta: vec![],
+            plays_per_quarter: vec![],
+            plays_per_game: vec![],
+            penalties_per_game: vec![],
+            points_per_quarter: vec![],
+            points_per_game: vec![],
+            most_common_play: None,
+            least_common_play: None,
+            most_common_key: None,
+            least_common_key: None,
+        }
+    }
 }

templates/logfile.ron

@@ -3,20 +3,21 @@
 #![enable(unwrap_variant_newtypes)]
 
 [
-    GameRecord(
-        version: "0.3.0",
+    Game(
+        version: "0.5.0",
+        flags: [],
         periods: [
             Period(
                 start: First,
                 end: Fourth,
-                plays: [
+                events: [
+                    Kickoff(Nebraska),
                     Play(
-                        action: None,
-                        down: Kickoff(
-                            offence: Nebraska
-                        ),
+                        action: Unknown,
+                        down: First,
                         terrain: Yards(10)
                     ),
+                    Score(FieldGoal),
                 ]
             )
         ]