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path: root/server/bot/src/algos/frank.rs
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/*
    Hurry Curry! - a game about cooking
    Copyright 2024 metamuffin

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, version 3 of the License only.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

*/
use crate::{
    pathfinding::{find_path_to_neighbour, Path},
    BotAlgo, BotInput,
};
use hurrycurry_client_lib::Game;
use hurrycurry_protocol::{glam::Vec2, Message, PacketS, PlayerID};
use rand::{seq::IndexedRandom, thread_rng};

#[derive(Default)]
pub struct Frank {
    sleep: f32,
    idle: f32,
    idle_dir: f32,

    target: Option<PlayerID>,
    path: Option<Path>,
}

const MESSAGES: &[fn(&str) -> String] = &[
    |_name| format!("Work faster, {_name}!"),
    |_name| "Quick! There is no time for chit-chat!".to_string(),
    |_name| "Look what a mess you've made! Clean this up immediatly!".to_string(),
    |_name| "Don't let the customers starve!".to_string(),
    |_name| format!("You are wasting me money, {_name}!"),
    |_name| "I'm not paying you to stand around!".to_string(),
    |_name| format!("Get back to work, {_name}!"),
    |_name| "You're FIRED!".to_string(),
];

impl BotAlgo for Frank {
    fn tick(&mut self, me: PlayerID, game: &Game, dt: f32) -> BotInput {
        let Some(player) = game.players.get(&me) else {
            return BotInput::default();
        };

        if self.sleep > 0. {
            self.sleep -= dt;
            return BotInput::default();
        }
        if self.idle > 0. {
            self.idle -= dt;
            self.idle_dir += self.idle.sin() * dt * (self.idle / 10.).fract() * 10.;
            return BotInput {
                direction: Vec2::from_angle(self.idle_dir),
                ..Default::default()
            };
        }

        let pos = player.movement.position;

        if let Some(target) = self.target {
            if let Some(player) = game.players.get(&target) {
                let tpos = player.movement.position;

                if let Some(path) = &mut self.path {
                    let direction = path.next_direction(pos, dt);
                    if path.is_stuck() {
                        self.path = None;
                    } else if path.is_done() {
                        self.path = None;
                        if pos.distance(tpos) < 2. {
                            self.sleep = 8.;
                            self.idle = 15.;
                            let message = MESSAGES.choose(&mut thread_rng()).unwrap()(&player.name);
                            return BotInput {
                                extra: vec![PacketS::Communicate {
                                    player: me,
                                    message: Some(Message::Text(message)),
                                    timeout: Some(3.),
                                    pin: Some(false),
                                }],
                                ..Default::default()
                            };
                        }
                    } else {
                        return BotInput {
                            direction,
                            boost: false,
                            interact: None,
                            ..Default::default()
                        };
                    }
                } else if let Some(path) =
                    find_path_to_neighbour(&game.walkable, pos.as_ivec2(), tpos.as_ivec2())
                {
                    self.path = Some(path);
                }
            } else {
                self.target = None;
            }
        } else if let Some(target) = find_chef(game, me) {
            self.target = Some(target);
        }
        BotInput::default()
    }
}

fn find_chef(game: &Game, me: PlayerID) -> Option<PlayerID> {
    let chefs = game
        .players
        .iter()
        .filter(|(i, p)| p.character >= 0 && **i != me)
        .map(|(i, _)| *i)
        .collect::<Vec<_>>();
    chefs.choose(&mut thread_rng()).copied()
}