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path: root/server/src/entity/customers.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 super::{bot::BotDriver, Entity, EntityContext};
use anyhow::Result;
use hurrycurry_bot::algos::Customer;
use rand::random;

pub struct Customers {
    customers: Vec<BotDriver<Customer>>,
    spawn_cooldown: f32,
    chair_count: Option<usize>,
}

impl Customers {
    pub fn new() -> Result<Self> {
        Ok(Self {
            customers: Default::default(),
            spawn_cooldown: 0.,
            chair_count: None,
        })
    }
}

impl Entity for Customers {
    fn tick(&mut self, c: EntityContext) -> Result<()> {
        let chairs = *self.chair_count.get_or_insert_with(|| {
            c.game
                .tiles
                .values()
                .filter(|t| c.game.data.tile_name(t.kind) == "table")
                .count()
        });
        let max_count = 5.min(chairs);

        self.spawn_cooldown -= c.dt;
        self.spawn_cooldown = self.spawn_cooldown.max(0.);
        if self.customers.len() < max_count && self.spawn_cooldown <= 0. {
            self.spawn_cooldown = 10. + random::<f32>() * 10.;
            let bot = BotDriver::new(
                "".to_string(),
                -1 - (random::<u16>() as i32),
                Customer::default(),
            );
            self.customers.push(bot)
        }
        for bot in &mut self.customers {
            bot.tick(EntityContext {
                game: c.game,
                packet_out: c.packet_out,
                packet_in: c.packet_in,
                score_changed: c.score_changed,
                dt: c.dt,
                scoreboard: c.scoreboard,
                load_map: c.load_map,
            })?;
        }
        self.customers.retain(|c| !c.finished());
        Ok(())
    }
}