working on game tracking

1 files changed, 0 insertions, 362 deletions

diff --git a/src/board.rs b/src/board.rs
deleted file mode 100644
index 578842c..0000000
--- a/src/board.rs
+++ /dev/null
@@ -1,362 +0,0 @@
-use std::fmt;
-
-#[derive(Clone, Copy)]
-pub struct Position {
-    pub x: u8,
-    pub y: u8,
-}
-impl fmt::Display for Position {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{:x}{}", 10 + self.x, self.y + 1)
-    }
-}
-
-#[derive(PartialEq)]
-pub enum Player {
-    Black,
-    White,
-}
-
-impl fmt::Display for Player {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Player::Black => "B",
-                Player::White => "W",
-            }
-        )
-    }
-}
-
-#[derive(PartialEq)]
-pub enum Stone {
-    Flat,
-    Standing,
-    Capstone,
-}
-
-impl fmt::Display for Stone {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Stone::Flat => "",
-                Stone::Standing => "S",
-                Stone::Capstone => "C",
-            }
-        )
-    }
-}
-
-// #[derive(Clone, Copy)]
-pub enum Direction {
-    Up,
-    Down,
-    Left,
-    Right,
-}
-
-impl fmt::Display for Direction {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Direction::Up => "+",
-                Direction::Down => "-",
-                Direction::Left => "<",
-                Direction::Right => ">",
-            }
-        )
-    }
-}
-
-pub enum Action {
-    Place(Player, Position, Stone),
-    Move(Player, Position, Direction, Vec<u8>),
-}
-
-impl fmt::Display for Action {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        match self {
-            Action::Place(player, pos, stone) => write!(f, "{}{}{}", pos, player, stone),
-            Action::Move(_, pos, direction, drops) => write!(
-                f,
-                "{}{}{}",
-                pos,
-                direction,
-                drops.into_iter().map(|q| q.to_string()).collect::<String>()
-            ),
-        }
-    }
-}
-
-pub type Stack = Vec<(Player, Stone)>;
-
-pub struct Board<L>
-where
-    L: Fn(String),
-{
-    size: u8,
-    black_flats: u8,
-    white_flats: u8,
-    black_capstones: u8,
-    white_capstones: u8,
-    board: Vec<Stack>,
-    log: L,
-}
-
-// How to solve code duplication between is_legal_action and
-// perform_action?
-
-// TODO: Generate all legal actions for a given player
-
-impl<L: Fn(String)> Board<L> {
-    pub fn get_size(&self) -> u8 {
-        self.size
-    }
-
-    // Defaults to 5x5 if requested things are out of range
-    pub fn new(size: u8, log: L) -> (Board<L>, bool) {
-        let (flats, caps, correct) = match size {
-            3 => (10, 0, true),
-            4 => (15, 0, true),
-            6 => (30, 1, true),
-            7 => (40, 2, true),
-            8 => (50, 2, true),
-            _ => (21, 1, false),
-        };
-        (
-            Board {
-                size: size,
-                black_flats: flats,
-                white_flats: flats,
-                black_capstones: caps,
-                white_capstones: caps,
-                board: {
-                    let mut v: Vec<Stack> = Vec::new();
-                    for _i in 0..size * size {
-                        v.push(Vec::new());
-                    }
-                    v
-                },
-                log: log,
-            },
-            correct,
-        )
-    }
-
-    pub fn remaining_pieces(&self, player: &Player, stone: &Stone) -> u8 {
-        match player {
-            Player::Black => {
-                if *stone == Stone::Capstone {
-                    self.black_capstones
-                } else {
-                    self.black_flats
-                }
-            }
-            Player::White => {
-                if *stone == Stone::Capstone {
-                    self.white_capstones
-                } else {
-                    self.white_flats
-                }
-            }
-        }
-    }
-
-    fn within_bounds(&self, pos: &Position) -> bool {
-        if (pos.x < self.size) && (pos.y < self.size) {
-            true
-        } else {
-            false
-        }
-    }
-
-    pub fn query_square(&self, pos: &Position) -> Option<&Stack> {
-        if self.within_bounds(pos) {
-            self.board.get(self.pos_to_idx(pos))
-        } else {
-            None
-        }
-    }
-
-    fn pos_to_idx(&self, pos: &Position) -> usize {
-        let y: usize = pos.y as usize;
-        let x: usize = pos.x as usize;
-        x + y * (self.size as usize)
-    }
-
-    fn is_legal_place(&self, player: &Player, pos: &Position, stone: &Stone) -> bool {
-        /* In order to legally place a piece:
-        1. The desired square must be empty
-        2. The player must have sufficient pieces
-         */
-        if self.within_bounds(pos) {
-            if let Some(stack) = &self.board.get(self.pos_to_idx(pos)) {
-                if stack.len() > 0 {
-                    (self.log)(format!("{} is already occupied.", pos));
-                    false
-                } else if self.remaining_pieces(&player, &stone) == 0 {
-                    (self.log)(format!(
-                        "{} has no more remaining {} pieces.",
-                        player, stone
-                    ));
-                    false
-                } else {
-                    true
-                }
-            } else {
-                (self.log)(format!(
-                    "Internal error: lookup for {} failed in is_legal_place.",
-                    pos
-                ));
-                false
-            }
-        } else {
-            (self.log)(format!("Position {} is not within bounds.", pos));
-            false
-        }
-    }
-
-    fn is_legal_move(
-        &self,
-        player: &Player,
-        pos: &Position,
-        direction: &Direction,
-        drops: &Vec<u8>,
-    ) -> bool {
-        if self.within_bounds(pos) {
-            /* Rules for moving a stack:
-              0. There are stones
-              1. Top stone belongs to player
-              2. Zero or One stones dropped on starting square
-              3. Total number of stones moved does not exceed the carry capacity
-              4. Direction does not contain a capstone
-              5. Wall may only appear on last spot if it's capstone alone that covers
-              6. All stones are used up before then end of the board is met
-            */
-            if let Some(stack) = &self.board.get(self.pos_to_idx(pos)) {
-                if stack.len() == 0 {
-                    (self.log)(format!("{} has no stones to move.", pos));
-                    return false;
-                } else if drops.len() == 0 {
-                    (self.log)(format!("A drop sequence for must be specified for a move."));
-                    return false;
-                } else if stack[0].0 != *player {
-                    (self.log)(format!(
-                        "{} may not move the stack at {} as it belongs to {}.",
-                        player, pos, stack[0].0
-                    ));
-                    return false;
-                } else if drops[0] > 1 {
-                    (self.log)(format!(
-                        "A move may only drop 0 or 1 stones at it's origin square."
-                    ));
-                    return false;
-                // Do the sum in u32 just in case ?
-                } else if drops.iter().map(|&d| d as u32).sum::<u32>() > self.size as u32 {
-                    (self.log)(format!(
-                        "A move may not exceed the carry limit of {} stones.",
-                        self.size
-                    ));
-                    return false;
-                }
-                let mut steps: usize = drops.len() - 1;
-                let cap: bool = stack[0].1 == Stone::Capstone;
-                let mut pos_new = Position { x: pos.x, y: pos.y };
-
-                while steps > 0 {
-                    steps -= 1;
-                    if {
-                        match direction {
-                            Direction::Up => pos_new.y + 1 >= self.size,
-                            Direction::Down => pos_new.y == 0,
-                            Direction::Left => pos_new.x + 1 >= self.size,
-                            Direction::Right => pos_new.x == 0,
-                        }
-                    } {
-                        (self.log)(format!("A move may not extend past the board."));
-                        return false;
-                    } else {
-                        match direction {
-                            Direction::Up => pos_new.y += 1,
-                            Direction::Down => pos_new.y -= 1,
-                            Direction::Left => pos_new.x += 1,
-                            Direction::Right => pos_new.x -= 1,
-                        }
-                        if let Some(stack) = &self.board.get(self.pos_to_idx(&pos_new)) {
-                            if stack.len() > 0 {
-                                match stack[0].1 {
-                                    Stone::Capstone => {
-                                        (self.log)(format!("A move may not cover a capstone."));
-                                        return false;
-                                    }
-                                    Stone::Standing => {
-                                        if (steps > 1) || (!cap) {
-                                            (self.log)(format!(
-                                                "A move may not cover a standing stone."
-                                            ));
-                                            return false;
-                                        }
-                                    }
-                                    Stone::Flat => (),
-                                }
-                            }
-                        } else {
-                            (self.log)(format!(
-                                "Internal error: lookup for {} failed in is_legal_move (1).",
-                                pos_new
-                            ));
-                            return false;
-                        }
-                    }
-                }
-                return true;
-            } else {
-                (self.log)(format!(
-                    "Internal error: lookup for {} failed in is_legal_move (2).",
-                    pos
-                ));
-                return false;
-            }
-        } else {
-            (self.log)(format!("Position {} is not within bounds.", pos));
-            false
-        }
-    }
-
-    pub fn is_legal_action(&self, act: &Action) -> bool {
-        match act {
-            Action::Place(player, pos, stone) => self.is_legal_place(player, pos, stone),
-            Action::Move(player, pos, direction, drops) => {
-                self.is_legal_move(player, pos, direction, drops)
-            }
-        }
-    }
-
-    // Unconditional and so could lead to invalid state, but private
-    fn place_stone(&mut self, player: Player, pos: Position, stone: Stone) {
-        let idx = self.pos_to_idx(&pos);
-        self.board[idx].push((player, stone));
-    }
-
-    fn move_stack(&mut self, player: Player, pos: Position, direction: Direction, drops: Vec<u8>) {}
-
-    pub fn perform_action(&mut self, act: Action) -> bool {
-        if self.is_legal_action(&act) {
-            match act {
-                Action::Place(player, pos, stone) => self.place_stone(player, pos, stone),
-                Action::Move(player, pos, direction, drops) => {
-                    self.move_stack(player, pos, direction, drops)
-                }
-            }
-            true
-        } else {
-            false
-        }
-    }
-}