mvdparser 0.18.1

Extract information from QuakeWorld MVD demos.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159

use std::collections::HashMap;

use crate::player::Player;

#[derive(Clone, Debug, Default, PartialEq)]
pub struct Team {
    pub name: String,
    pub color: [u8; 2],
    pub frags: i32,
    pub ping: u32,
    pub players: Vec<Player>,
}

impl From<&[Player]> for Team {
    fn from(players: &[Player]) -> Self {
        if players.is_empty() {
            return Self::default();
        }

        let mut team = Team {
            name: players[0].team.to_string(),
            players: vec![],
            frags: 0,
            ping: 0,
            color: [0, 0],
        };

        for player in players.iter() {
            team.players.push(player.clone());
            team.frags += player.frags;
            team.ping += player.ping;
        }

        team.ping = (team.ping as f32 / team.players.len() as f32).round() as u32;
        let player_colors: Vec<[u8; 2]> = team.players.iter().map(|p| p.color).collect();
        team.color = majority_color(&player_colors).unwrap_or(players[0].color);

        team
    }
}

pub fn teams_from_players(players: &[Player]) -> Vec<Team> {
    let mut tmap: HashMap<String, Vec<Player>> = HashMap::new();
    for player in players.iter() {
        let teamplayers = tmap.entry(player.team.clone()).or_default();
        teamplayers.push(player.clone());
    }

    let mut teams: Vec<Team> = vec![];

    for teamplayers in tmap.values() {
        teams.push(Team::from(teamplayers.as_slice()))
    }

    teams.sort_by(|a, b| a.name.to_lowercase().cmp(&b.name.to_lowercase()));

    teams
}

fn majority_color(colors: &[[u8; 2]]) -> Option<[u8; 2]> {
    match colors.len() {
        0 => return None,
        1 | 2 => return Some(colors[0]),
        _ => {}
    };

    let mut color_count: HashMap<[u8; 2], u8> = HashMap::new();
    for color in colors.iter() {
        let count = color_count.entry(*color).or_insert(0);
        *count += 1;
    }

    let mut max_color = None;
    let mut max_count = 0;
    for (color, count) in color_count.iter() {
        if *count > max_count {
            max_color = Some(*color);
            max_count = *count;
        }
    }

    max_color
}

#[cfg(test)]
mod tests {
    use pretty_assertions::assert_eq;

    use super::*;

    #[test]
    fn test_teams_from_players() {
        {
            let red_alpha = Player {
                name: "Alpha".to_string(),
                team: "red".to_string(),
                color: [4, 3],
                frags: 54,
                ping: 25,
                auth_username: None,
                auth_cc: None,
                is_bot: false,
            };
            let red_beta = Player {
                name: "Beta".to_string(),
                team: "red".to_string(),
                color: [4, 3],
                frags: 16,
                ping: 12,
                auth_username: None,
                auth_cc: None,
                is_bot: false,
            };
            let blue_gamma = Player {
                name: "Gamma".to_string(),
                team: "blue".to_string(),
                color: [11, 10],
                frags: 29,
                ping: 52,
                auth_username: None,
                auth_cc: None,
                is_bot: false,
            };
            let players = vec![red_alpha.clone(), red_beta.clone(), blue_gamma.clone()];

            assert_eq!(
                teams_from_players(&players),
                vec![
                    Team {
                        name: "blue".to_string(),
                        color: [11, 10],
                        frags: 29,
                        ping: 52,
                        players: vec![blue_gamma,],
                    },
                    Team {
                        name: "red".to_string(),
                        color: [4, 3],
                        frags: 70,
                        ping: 19,
                        players: vec![red_alpha, red_beta,],
                    },
                ]
            );
        }
    }

    #[test]
    fn test_majority_color() {
        {
            let colors = vec![[4, 3], [11, 10]];
            assert_eq!(majority_color(&colors), Some([4, 3]));
        }
        {
            let colors = vec![[4, 3], [11, 10], [0, 0], [11, 10]];
            assert_eq!(majority_color(&colors), Some([11, 10]));
        }
    }
}