bot

Cargo.lock

@@ -1109,6 +1109,14 @@ dependencies = [
  "objc2-encode",
 ]
 
+[[package]]
+name = "bot"
+version = "0.1.0"
+dependencies = [
+ "pretty_assertions",
+ "store",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.14.0"
@@ -1242,6 +1250,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bincode",
+ "bot",
  "pico-args",
  "pretty_assertions",
  "renet",

Cargo.toml

@@ -5,6 +5,7 @@ members = [
   "client",
   "client_tui",
   "client_cli",
+  "bot",
   "server",
   "store"
 ]

bot/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "bot"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+pretty_assertions = "1.4.0"
+store = { path = "../store" }

bot/src/lib.rs

@@ -0,0 +1,108 @@
+mod bot;
+
+use store::{CheckerMove, Color, Dice, GameEvent, GameState, Player, PlayerId, Stage, TurnStage};
+
+#[derive(Debug)]
+pub struct Bot {
+    pub game: GameState,
+    player_id: PlayerId,
+    color: Color,
+}
+
+impl Default for Bot {
+    fn default() -> Bot {
+        Bot {
+            game: GameState::default(),
+            player_id: 1,
+            color: Color::Black,
+        }
+    }
+}
+
+// impl PlayerEngine for Bot {}
+
+impl Bot {
+    /// new initialize a bot
+    /// # Examples
+    /// ```let mut bot = Bot::new(Color::Black);
+    ///    assert_eq!(bot.game.stage, Stage::PreGame);
+    /// ```
+    pub fn new(color: Color) -> Self {
+        let mut game = GameState::default();
+        game.init_player("p1");
+        game.init_player("p2");
+
+        let player_id = match color {
+            Color::White => 1,
+            Color::Black => 2,
+        };
+
+        Self {
+            game,
+            player_id,
+            color,
+        }
+    }
+
+    pub fn consume(&mut self, event: &GameEvent) -> Option<GameEvent> {
+        self.game.consume(event);
+        // println!("{:?}", self.game);
+        if self.game.active_player_id == self.player_id {
+            return match self.game.turn_stage {
+                TurnStage::RollDice => Some(GameEvent::Roll {
+                    player_id: self.player_id,
+                }),
+                TurnStage::MarkPoints => Some(GameEvent::Mark {
+                    player_id: self.player_id,
+                    points: 0,
+                }),
+                TurnStage::Move => Some(GameEvent::Move {
+                    player_id: self.player_id,
+                    moves: self.choose_move(),
+                }),
+            };
+        }
+        None
+    }
+
+    fn choose_move(&self) -> (CheckerMove, CheckerMove) {
+        let (dice1, dice2) = match self.color {
+            Color::White => self.game.dice.values,
+            Color::Black => (0 - self.game.dice.values.0, 0 - self.game.dice.values.1),
+        };
+
+        let fields = self.game.board.get_color_fields(self.color);
+        let first_field = fields.first().unwrap();
+        (
+            CheckerMove::new(first_field.0, first_field.0 + dice1 as usize).unwrap(),
+            CheckerMove::new(first_field.0, first_field.0 + dice2 as usize).unwrap(),
+        )
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_new() {
+        let bot = Bot::new(Color::Black);
+        assert_eq!(bot.game.stage, Stage::PreGame);
+    }
+
+    #[test]
+    fn test_consume() {
+        let mut bot = Bot::new(Color::Black);
+        let mut event = bot.consume(&GameEvent::BeginGame { goes_first: 2 });
+        assert_eq!(event, Some(GameEvent::Roll { player_id: 2 }));
+
+        event = bot.consume(&GameEvent::BeginGame { goes_first: 1 });
+        assert_eq!(event, None);
+
+        event = bot.consume(&GameEvent::RollResult {
+            player_id: 2,
+            dice: Dice { values: (2, 3) },
+        });
+        assert_eq!(bot.game.turn_stage, TurnStage::MarkPoints);
+    }
+}

client_cli/Cargo.toml

@@ -12,3 +12,4 @@ pico-args = "0.5.0"
 pretty_assertions = "1.4.0"
 renet = "0.0.13"
 store = { path = "../store" }
+bot = { path = "../bot" }

client_cli/src/app.rs

@@ -1,5 +1,6 @@
+use bot::Bot;
 use pretty_assertions::assert_eq;
-use store::{CheckerMove, Dice, DiceRoller, GameEvent, GameState, PlayerId};
+use store::{CheckerMove, Color, Dice, DiceRoller, GameEvent, GameState, PlayerId};
 
 #[derive(Debug, Default)]
 pub struct AppArgs {
@@ -13,6 +14,7 @@ pub struct Game {
     pub dice_roller: DiceRoller,
     first_move: Option<CheckerMove>,
     player_id: Option<PlayerId>,
+    bot: Bot,
 }
 
 impl Game {
@@ -21,16 +23,27 @@ impl Game {
         let mut state = GameState::default();
         // local : player
         let player_id: Option<PlayerId> = state.init_player("myself");
-        state.init_player("adversary");
-        state.consume(&GameEvent::BeginGame {
-            goes_first: player_id.unwrap(),
-        });
-        Self {
+        // bot
+        let bot_id: PlayerId = state.init_player("bot").unwrap();
+        let bot_color = state.player_color_by_id(&bot_id).unwrap();
+        let bot: Bot = Bot::new(bot_color);
+
+        let mut game = Self {
             state,
             dice_roller: DiceRoller::new(seed),
             first_move: None,
             player_id,
-        }
+            bot,
+        };
+        game.consume(&GameEvent::BeginGame {
+            goes_first: player_id.unwrap(),
+        });
+        game
+    }
+
+    pub fn consume(&mut self, event: &GameEvent) -> Option<GameEvent> {
+        self.state.consume(&event);
+        self.bot.consume(&event)
     }
 }
 
@@ -78,7 +91,7 @@ impl App {
             return;
         }
         let dice = self.game.dice_roller.roll();
-        self.game.state.consume(&GameEvent::RollResult {
+        self.game.consume(&GameEvent::RollResult {
             player_id: self.game.player_id.unwrap(),
             dice,
         });
@@ -106,7 +119,7 @@ impl App {
                         self.game.first_move = None;
                         return;
                     }
-                    self.game.state.consume(&move_event);
+                    self.game.consume(&move_event);
                     self.game.first_move = None;
                 } else {
                     self.game.first_move = Some(checker_move.unwrap());

store/src/board.rs

@@ -296,6 +296,27 @@ impl Board {
         self.get_field_checkers(field).map(|(count, color)| color)
     }
 
+    /// returns the list of Fields containing Checkers of the Color
+    pub fn get_color_fields(&self, color: Color) -> Vec<(usize, i8)> {
+        match color {
+            Color::White => self
+                .positions
+                .iter()
+                .enumerate()
+                .filter(|&(_, count)| *count > 0)
+                .map(|(i, count)| (i + 1, *count))
+                .collect(),
+            Color::Black => self
+                .positions
+                .iter()
+                .enumerate()
+                .filter(|&(_, count)| *count < 0)
+                .rev()
+                .map(|(i, count)| (i + 1, (0 - count)))
+                .collect(),
+        }
+    }
+
     // Get the corner field for the color
     pub fn get_color_corner(&self, color: &Color) -> Field {
         if color == &Color::White {
@@ -407,4 +428,11 @@ mod tests {
         let player = Player::new("".into(), Color::White);
         assert!(board.set(&Color::White, 23, -3).is_err());
     }
+
+    #[test]
+    fn get_color_fields() {
+        let board = Board::new();
+        assert_eq!(board.get_color_fields(Color::White), vec![(1, 15)]);
+        assert_eq!(board.get_color_fields(Color::Black), vec![(24, 15)]);
+    }
 }

store/src/game.rs

@@ -165,6 +165,14 @@ impl GameState {
             .next()
     }
 
+    pub fn player_color_by_id(&self, player_id: &PlayerId) -> Option<Color> {
+        self.players
+            .iter()
+            .filter(|(id, _)| *id == player_id)
+            .map(|(_, player)| player.color)
+            .next()
+    }
+
     // ----------------------------------------------------------------------------------
     //                          Rules checks
     // ----------------------------------------------------------------------------------

store/src/lib.rs

@@ -1,5 +1,5 @@
 mod game;
-pub use game::{EndGameReason, GameEvent, GameState, Stage};
+pub use game::{EndGameReason, GameEvent, GameState, Stage, TurnStage};
 
 mod player;
 pub use player::{Color, Player, PlayerId};