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justcheckers
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Simplify code and improve setup.

This commit is contained in:
Dorian 2019-03-04 08:27:22 -05:00
parent 4e695f3a7e
commit 3d1f6f4ec8
1 changed files with 53 additions and 70 deletions
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49
engine/src/lib.rs
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@ -35,7 +35,6 @@ pub struct Board {
impl Board { impl Board {
pub fn new(size: BoardSize) -> Board { pub fn new(size: BoardSize) -> Board {
let board_size = size.get_size(); let board_size = size.get_size();
let width = board_size / 2; let width = board_size / 2;
let height = board_size; let height = board_size;
@ -45,10 +44,8 @@ impl Board {
.map(|tile| { .map(|tile| {
let row = tile / width; let row = tile / width;
match row { match row {
r if r < starting_rows => BoardTile::Piece( r if r < starting_rows => BoardTile::Piece(Piece::LightPawn),
Piece::LightPawn), r if r > height - starting_rows - 1 => BoardTile::Piece(Piece::DarkPawn),
r if r > height - starting_rows - 1 => BoardTile::Piece(
Piece::DarkPawn),
_ => BoardTile::Empty, _ => BoardTile::Empty,
} }
}) })
@ -70,7 +67,6 @@ static COLUMN_COORDINATE_BORDER: &str = " ABCDEFGHIJKL";
impl fmt::Display for Board { impl fmt::Display for Board {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
let width = self.dimensions.get_size(); let width = self.dimensions.get_size();
// Create the top level border. // Create the top level border.
@ -78,31 +74,25 @@ impl fmt::Display for Board {
writeln!(formatter, "{}", column_border_chars)?; writeln!(formatter, "{}", column_border_chars)?;
for row in 0..width { for row in 0..width {
write!(formatter, "{}", (row + 1).to_string())?; write!(formatter, "{}", (row + 1).to_string())?;
if row % 2 == 0 {
write!(formatter, " ")?;
}
for col in 0..(width / 2) { for col in 0..(width / 2) {
let idx = self.get_index(row, col); let idx = self.get_index(row, col);
let token = match &self.tiles[idx] {
let token = match self.tiles[idx] { BoardTile::Piece(x) => match x {
BoardTile::Piece(Piece::LightPawn) => "○", Piece::LightPawn => "○",
BoardTile::Piece(Piece::LightKing) => "⍟", Piece::LightKing => "⍟",
BoardTile::Piece(Piece::DarkPawn) => "●", Piece::DarkPawn => "●",
BoardTile::Piece(Piece::DarkKing) => "✪", Piece::DarkKing => "✪",
},
BoardTile::Empty => "◰", BoardTile::Empty => "◰",
}; };
let adjacent = if row % 2 == 0 && col == (width / 2) - 1 { if row % 2 == 0 {
"" write!(formatter, " {}", token)?;
} else { } else {
" " write!(formatter, "{} ", token)?;
}; }
write!(formatter, "{}{}", token, adjacent)?;
} }
write!(formatter, "\n")?; write!(formatter, "\n")?;
@ -135,7 +125,6 @@ impl Game {
} }
} }
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use crate::Board; use crate::Board;
@ -143,9 +132,7 @@ mod tests {
#[test] #[test]
fn initial_international_board_setup() { fn initial_international_board_setup() {
let expected = " \
let expected =
" \
ABCDEFGHIJ\n\ ABCDEFGHIJ\n\
1 ○ ○ ○ ○ ○\n\ 1 ○ ○ ○ ○ ○\n\
2○ ○ ○ ○ ○ \n\ 2○ ○ ○ ○ ○ \n\
@ -163,9 +150,7 @@ mod tests {
#[test] #[test]
fn initial_american_board_setup() { fn initial_american_board_setup() {
let expected = " \
let expected =
" \
ABCDEFGH\n\ ABCDEFGH\n\
1 ○ ○ ○ ○\n\ 1 ○ ○ ○ ○\n\
2○ ○ ○ ○ \n\ 2○ ○ ○ ○ \n\
@ -181,9 +166,7 @@ mod tests {
#[test] #[test]
fn initial_canadian_board_setup() { fn initial_canadian_board_setup() {
let expected = " \
let expected =
" \
ABCDEFGHIJKL\n\ ABCDEFGHIJKL\n\
1 ○ ○ ○ ○ ○ ○\n\ 1 ○ ○ ○ ○ ○ ○\n\
2○ ○ ○ ○ ○ ○ \n\ 2○ ○ ○ ○ ○ ○ \n\