From 74f593bb27b19c8d021918a46a6447a80e25f828 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin@worthe-it.co.za>
Date: Wed, 21 Aug 2019 08:32:35 +0200
Subject: Tweaking config experimentally

---
 src/bin/explore-config.rs | 71 +++++++++++++++++++++--------------------------
 src/json.rs               |  2 +-
 src/strategy/minimax.rs   | 12 ++++----
 3 files changed, 39 insertions(+), 46 deletions(-)

diff --git a/src/bin/explore-config.rs b/src/bin/explore-config.rs
index 12d9f86..10f75eb 100644
--- a/src/bin/explore-config.rs
+++ b/src/bin/explore-config.rs
@@ -1,8 +1,6 @@
 use std::path::Path;
-use std::sync::Mutex;
 
 use rayon::prelude::*;
-use time::PreciseTime;
 
 use steam_powered_wyrm::game;
 use steam_powered_wyrm::json;
@@ -16,28 +14,27 @@ fn main() {
     let depth = 100;
 
     let configs = ScoreConfigTrials {
-        max_health_weight: vec![0., 1.],
-        total_health_weight: vec![0., 1.],
+        max_health_weight: vec![50., 150.],
+        total_health_weight: vec![5., 20.],
         points_weight: vec![0., 1.],
         victory_weight: vec![3000.],
-        snowball_weight: vec![0., 100.],
-        bomb_weight: vec![0., 100.],
-        explore_exploit_weight: vec![1., 10.],
+        snowball_weight: vec![10.],
+        bomb_weight: vec![0., 10., 100., 1000., 10000.],
+        explore_exploit_weight: vec![5., 100.],
     }
     .reify();
 
     eprintln!("{} configs being tested", configs.len());
 
-    let victories = Mutex::new(vec![0; configs.len()]);
+    let mut victories = vec![0; configs.len()];
 
     for i in 0..configs.len() {
         eprintln!("Progress: {} of {}", i, configs.len());
 
-        (i + 1..configs.len())
+        let outcomes: Vec<(usize, game::SimulationOutcome)> = (i + 1..configs.len())
             .collect::<Vec<usize>>()
             .par_iter()
-            .for_each(|j| {
-                let start_time = PreciseTime::now();
+            .map(|j| {
                 let mut state = initial_state.clone();
 
                 while state.outcome == game::SimulationOutcome::Continue {
@@ -48,37 +45,33 @@ fn main() {
                     state.simulate(commands);
                 }
 
-                eprintln!(
-                    "Runtime: {}ms",
-                    start_time.to(PreciseTime::now()).num_milliseconds()
-                );
-                match state.outcome {
-                    game::SimulationOutcome::PlayerWon(0) => victories.lock().unwrap()[i] += 1,
-                    game::SimulationOutcome::PlayerWon(1) => victories.lock().unwrap()[*j] += 1,
-                    _ => {}
-                };
-            });
+                (*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");
-    victories
-        .lock()
-        .map(|victories| {
-            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
-                );
-            }
-        })
-        .unwrap();
+
+    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 {
diff --git a/src/json.rs b/src/json.rs
index fc6ba82..a83f102 100644
--- a/src/json.rs
+++ b/src/json.rs
@@ -6,7 +6,7 @@ use std::path::Path;
 use serde::{Deserialize, Serialize};
 use serde_json;
 
-pub fn read_state_from_json_file(filename: &Path) -> Result<State, Box<Error>> {
+pub fn read_state_from_json_file(filename: &Path) -> Result<State, Box<dyn Error>> {
     let mut file = File::open(filename)?;
     let mut content = String::new();
     file.read_to_string(&mut content)?;
diff --git a/src/strategy/minimax.rs b/src/strategy/minimax.rs
index f65f770..5ddd928 100644
--- a/src/strategy/minimax.rs
+++ b/src/strategy/minimax.rs
@@ -21,13 +21,13 @@ pub struct ScoreConfig {
 impl Default for ScoreConfig {
     fn default() -> ScoreConfig {
         ScoreConfig {
-            max_health_weight: 1.,
-            total_health_weight: 1.,
-            points_weight: 0.,
+            max_health_weight: 100.,
+            total_health_weight: 10.,
+            points_weight: 1.,
             victory_weight: 3000.,
-            snowball_weight: 100.,
-            bomb_weight: 100.,
-            explore_exploit_weight: 10.,
+            snowball_weight: 10.,
+            bomb_weight: 0.,
+            explore_exploit_weight: 100.,
         }
     }
 }
-- 
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