azul: fix add_color

Cargo.lock

@@ -632,6 +632,7 @@ dependencies = [
  "rand",
  "rocket",
  "serde",
+ "serde_json",
 ]
 
 [[package]]

Cargo.toml

@@ -10,3 +10,4 @@ rocket = { version = "0.5.0", features = ["json"] }
 serde = "1.0.196"
 
 rand = "0.8.5"
+serde_json = "1.0.113"

src/azul.rs

@@ -6,11 +6,8 @@ use serde::{Deserialize, Serialize};
 use rand::distributions::WeightedIndex;
 use rand::prelude::*;
 
-#[derive(Debug, Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize)]
 struct GameState {
-    #[serde(skip)]
-    #[serde(default = "make_rng")]
-    rng: StdRng,
     n_players: usize,
     current_player: usize,
     starting_player: usize,
@@ -22,10 +19,32 @@ struct GameState {
     factories: Vec<TileSet>,
     market: TileSetWithStart,
     players: Vec<Player>,
+    #[serde(skip)]
+    #[serde(default = "make_rng")]
+    rng: Box<dyn RngCore>,
 }
 
-fn make_rng() -> StdRng {
-    StdRng::from_entropy()
+fn make_rng() -> Box<dyn RngCore> {
+    Box::new(StdRng::from_entropy())
+}
+
+impl Clone for GameState {
+    fn clone(&self) -> Self {
+        GameState {
+            n_players: self.n_players,
+            current_player: self.current_player,
+            starting_player: self.starting_player,
+            game_end: self.game_end,
+            rounds: self.rounds,
+            days: self.days,
+            bag: self.bag.clone(),
+            lid: self.lid.clone(),
+            factories: self.factories.clone(),
+            market: self.market.clone(),
+            players: self.players.clone(),
+            rng: make_rng(),
+        }
+    }
 }
 
 impl GameState {
@@ -56,7 +75,6 @@ impl GameState {
         }
 
         let game = GameState {
-            rng: StdRng::from_entropy(),
             n_players,
             current_player: 0,
             starting_player: 0,
@@ -81,6 +99,7 @@ impl GameState {
                 white: 0,
             },
             players,
+            rng: Box::new(StdRng::from_entropy()),
         };
 
         Ok(game)
@@ -90,7 +109,7 @@ impl GameState {
     /// Will replenish the bag from the lid when empty
     /// Will return with partially filled factories if out of tiles
     fn fill(&mut self) -> Result<(), &'static str> {
-        if !self.is_empty() {
+        if !self.only_start() {
             return Err("Cannot fill, there are still tiles left to be picked");
         }
 
@@ -101,28 +120,29 @@ impl GameState {
                     self.lid = TileSet::default();
                 } else if self.bag.is_empty() {
                     return Ok(());
-                } else {
-                    let choices = [
-                        Color::Blue,
-                        Color::Yellow,
-                        Color::Red,
-                        Color::Black,
-                        Color::White,
-                    ];
-                    let weights = [
-                        self.bag.blue,
-                        self.bag.yellow,
-                        self.bag.red,
-                        self.bag.black,
-                        self.bag.white,
-                    ];
-
-                    let dist = WeightedIndex::new(&weights).unwrap();
-                    let picked = choices[dist.sample(&mut self.rng)];
-
-                    self.bag.add_color(picked, 1)?;
-                    factory.add_color(picked, 1)?;
                 }
+                let choices = [
+                    Color::Blue,
+                    Color::Yellow,
+                    Color::Red,
+                    Color::Black,
+                    Color::White,
+                ];
+                let weights = [
+                    self.bag.blue,
+                    self.bag.yellow,
+                    self.bag.red,
+                    self.bag.black,
+                    self.bag.white,
+                ];
+
+                let dist = WeightedIndex::new(&weights).unwrap();
+                let picked = choices[dist.sample(&mut self.rng)];
+
+                eprintln!("picked {:?}", picked);
+
+                self.bag.add_color(picked, -1)?;
+                factory.add_color(picked, 1)?;
             }
         }
 
@@ -137,6 +157,16 @@ impl GameState {
         factories && market
     }
 
+    /// Returns whether or not only the start tile is in play
+    fn only_start(&self) -> bool {
+        let factories = self.factories.iter().all(|f| f.is_empty());
+        let market = Color::Blue
+            .into_iter()
+            .all(|c| self.market.get_color(c) == 0);
+
+        factories && market
+    }
+
     /// Scores the game and clears the boards into the lid
     /// Doesn't check if game is ready to be scored!
     fn score_unchecked(&mut self) -> Result<(), &'static str> {
@@ -378,16 +408,16 @@ impl TileSet {
                 self.blue = usize::checked_add_signed(self.blue, n).ok_or("would overflow!")?
             }
             Color::Yellow => {
-                self.blue = usize::checked_add_signed(self.yellow, n).ok_or("would overflow")?
+                self.yellow = usize::checked_add_signed(self.yellow, n).ok_or("would overflow")?
             }
             Color::Red => {
-                self.blue = usize::checked_add_signed(self.red, n).ok_or("would overflow")?
+                self.red = usize::checked_add_signed(self.red, n).ok_or("would overflow")?
             }
             Color::Black => {
-                self.blue = usize::checked_add_signed(self.black, n).ok_or("would overflow")?
+                self.black = usize::checked_add_signed(self.black, n).ok_or("would overflow")?
             }
             Color::White => {
-                self.blue = usize::checked_add_signed(self.white, n).ok_or("would overflow")?
+                self.white = usize::checked_add_signed(self.white, n).ok_or("would overflow")?
             }
             Color::Start => return Err("tried to add Start tiles to TileSet"),
         }
@@ -483,16 +513,16 @@ impl TileSetWithStart {
                 self.blue = usize::checked_add_signed(self.blue, n).ok_or("would overflow!")?
             }
             Color::Yellow => {
-                self.blue = usize::checked_add_signed(self.yellow, n).ok_or("would overflow")?
+                self.yellow = usize::checked_add_signed(self.yellow, n).ok_or("would overflow")?
             }
             Color::Red => {
-                self.blue = usize::checked_add_signed(self.red, n).ok_or("would overflow")?
+                self.red = usize::checked_add_signed(self.red, n).ok_or("would overflow")?
             }
             Color::Black => {
-                self.blue = usize::checked_add_signed(self.black, n).ok_or("would overflow")?
+                self.black = usize::checked_add_signed(self.black, n).ok_or("would overflow")?
             }
             Color::White => {
-                self.blue = usize::checked_add_signed(self.white, n).ok_or("would overflow")?
+                self.white = usize::checked_add_signed(self.white, n).ok_or("would overflow")?
             }
             Color::Start if n == 1 && self.start == 0 => {
                 self.start = usize::checked_add_signed(self.white, n).ok_or("would overflow")?
@@ -800,3 +830,21 @@ enum Destination {
     #[serde(rename = "floor")]
     Floor,
 }
+
+// Tests
+
+use serde_json::to_string_pretty;
+
+#[test]
+fn test_fill() {
+    let mut game = GameState::new(2).unwrap();
+
+    // println!("{}", to_string_pretty(&game).unwrap());
+    assert!(game.only_start());
+
+    game.fill();
+    //println!("{}", to_string_pretty(&game).unwrap());
+
+    assert_eq!(game.bag.len(), 100 - (5 * 4));
+    assert_eq!(game.factories.iter().map(|f| f.len()).sum::<usize>(), 5 * 4);
+}