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path: root/2019-worms/src/bin/explore-config.rs
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use std::path::Path;

use rayon::prelude::*;

use steam_powered_wyrm::game;
use steam_powered_wyrm::json;
use steam_powered_wyrm::strategy::{choose_move_with_normalized_perf, ScoreConfig};

fn main() {
    let initial_state = game::GameBoard::new(
        json::read_state_from_json_file(&Path::new(&format!("./tests/example-state.json")))
            .unwrap(),
    );
    let depth = 1000;

    let configs = ScoreConfigTrials {
        max_health_weight: vec![50., 150.],
        total_health_weight: vec![5., 20.],
        points_weight: vec![1.],
        victory_weight: vec![3000., 3500., 4000., 4500., 5000., 5500., 6000., 7000.],
        snowball_weight: vec![10.],
        bomb_weight: vec![0.],
        explore_exploit_weight: vec![10., 500.],
    }
    .reify();

    eprintln!("{} configs being tested", configs.len());

    let mut victories = vec![0; configs.len()];

    for i in 0..configs.len() {
        eprintln!("Progress: {} of {}", i, configs.len());

        let outcomes: Vec<(usize, game::SimulationOutcome)> = (i + 1..configs.len())
            .collect::<Vec<usize>>()
            .par_iter()
            .map(|j| {
                let mut state = initial_state.clone();

                while state.outcome == game::SimulationOutcome::Continue {
                    let commands = [
                        choose_move_with_normalized_perf(&state, &configs[i], 0, depth),
                        choose_move_with_normalized_perf(&state, &configs[*j], 1, depth),
                    ];
                    state.simulate(commands);
                }

                (*j, state.outcome)
            })
            .collect();
        for (j, outcome) in outcomes {
            match outcome {
                game::SimulationOutcome::PlayerWon(0) => victories[i] += 1,
                game::SimulationOutcome::PlayerWon(1) => victories[j] += 1,
                _ => {}
            };
        }
    }

    println!("victories, max_health_weight, total_health_weight, points_weight, victory_weight, snowball_weight, bomb_weight, explore_exploit_weight");

    for (config, victories) in configs.into_iter().zip(victories.iter()) {
        println!(
            "{}, {}, {}, {}, {}, {}, {}, {}",
            victories,
            config.max_health_weight,
            config.total_health_weight,
            config.points_weight,
            config.victory_weight,
            config.snowball_weight,
            config.bomb_weight,
            config.explore_exploit_weight
        );
    }
}

pub struct ScoreConfigTrials {
    pub max_health_weight: Vec<f32>,
    pub total_health_weight: Vec<f32>,
    pub points_weight: Vec<f32>,
    pub victory_weight: Vec<f32>,
    pub snowball_weight: Vec<f32>,
    pub bomb_weight: Vec<f32>,
    pub explore_exploit_weight: Vec<f32>,
}

impl ScoreConfigTrials {
    fn reify(self) -> Vec<ScoreConfig> {
        let mut result = Vec::new();
        for max_health_weight in &self.max_health_weight {
            for total_health_weight in &self.total_health_weight {
                for points_weight in &self.points_weight {
                    for victory_weight in &self.victory_weight {
                        for snowball_weight in &self.snowball_weight {
                            for bomb_weight in &self.bomb_weight {
                                for explore_exploit_weight in &self.explore_exploit_weight {
                                    result.push(ScoreConfig {
                                        max_health_weight: *max_health_weight,
                                        total_health_weight: *total_health_weight,
                                        points_weight: *points_weight,
                                        victory_weight: *victory_weight,
                                        snowball_weight: *snowball_weight,
                                        bomb_weight: *bomb_weight,
                                        explore_exploit_weight: *explore_exploit_weight,
                                    });
                                }
                            }
                        }
                    }
                }
            }
        }

        result
    }
}