Discard class
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093a65ae96
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1a0cad3b87
146
src/game.rs
146
src/game.rs
@ -14,11 +14,21 @@ pub type Color = &'static str;
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pub const COLORS: [Color; 5] = ["blue", "red", "yellow", "white", "green"];
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pub const COLORS: [Color; 5] = ["blue", "red", "yellow", "white", "green"];
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pub type Value = u32;
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pub type Value = u32;
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// list of (value, count) pairs
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// list of values, assumed to be small to large
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pub const VALUES : [Value; 5] = [1, 2, 3, 4, 5];
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pub const VALUES : [Value; 5] = [1, 2, 3, 4, 5];
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pub const VALUE_COUNTS : [(Value, u32); 5] = [(1, 3), (2, 2), (3, 2), (4, 2), (5, 1)];
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pub const FINAL_VALUE : Value = 5;
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pub const FINAL_VALUE : Value = 5;
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pub fn get_count_for_value(value: &Value) -> usize {
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match *value {
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1 => 3,
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2 | 3 | 4 => 2,
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5 => 1,
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_ => { panic!(format!("Unexpected value: {}", value)); }
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}
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}
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pub type Player = u32;
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#[derive(Debug)]
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#[derive(Debug)]
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pub struct Card {
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pub struct Card {
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pub color: Color,
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pub color: Color,
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@ -68,7 +78,7 @@ impl <T> fmt::Display for Pile<T> where T: fmt::Display {
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for item in &self.0 {
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for item in &self.0 {
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try!(f.write_str(&format!("{}, ", item)));
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try!(f.write_str(&format!("{}, ", item)));
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}
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}
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try!(f.write_str(""));
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try!(f.write_str("]"));
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Ok(())
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Ok(())
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}
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}
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}
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}
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@ -77,8 +87,6 @@ pub type Cards = Pile<Card>;
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pub type CardsInfo = Pile<CardInfo>;
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pub type CardsInfo = Pile<CardInfo>;
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pub type Player = u32;
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#[derive(Debug)]
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#[derive(Debug)]
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pub struct Firework {
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pub struct Firework {
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pub color: Color,
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pub color: Color,
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@ -101,11 +109,7 @@ impl Firework {
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}
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}
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fn desired_value(&self) -> Option<Value> {
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fn desired_value(&self) -> Option<Value> {
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if self.complete() {
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if self.complete() { None } else { Some(self.top_value() + 1) }
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None
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} else {
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Some(self.top_value() + 1)
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}
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}
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}
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fn score(&self) -> usize {
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fn score(&self) -> usize {
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@ -140,6 +144,75 @@ impl fmt::Display for Firework {
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}
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}
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}
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}
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#[derive(Debug)]
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pub struct Discard {
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pub cards: Cards,
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counts: HashMap<Color, HashMap<Value, usize>>,
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}
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impl Discard {
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fn new() -> Discard {
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let mut counts = HashMap::new();
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for color in COLORS.iter() {
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let mut color_count = HashMap::new();
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for value in VALUES.iter() {
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color_count.insert(*value, 0);
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}
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counts.insert(*color, color_count);
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}
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Discard {
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cards: Cards::new(),
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counts: counts,
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}
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}
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fn get_count(&self, card: &Card) -> usize {
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let color_count = self.counts.get(card.color).unwrap();
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color_count.get(&card.value).unwrap().clone()
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}
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fn has_all(&self, card: &Card) -> bool {
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self.remaining(card) == 0
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}
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fn remaining(&self, card: &Card) -> usize {
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let count = self.get_count(&card);
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get_count_for_value(&card.value) - count
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}
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fn place(&mut self, card: Card) {
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let count = self.get_count(&card);
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let ref mut color_count = self.counts.get_mut(card.color).unwrap();
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color_count.insert(card.value, count + 1);
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self.cards.place(card);
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}
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}
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impl fmt::Display for Discard {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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// try!(f.write_str(&format!(
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// "{}", self.cards,
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// )));
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for color in COLORS.iter() {
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let colorchar = color.chars().next().unwrap();
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try!(f.write_str(&format!(
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"{}: ", colorchar,
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)));
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let color_count = self.counts.get(color).unwrap();
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for value in VALUES.iter() {
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let count = color_count.get(value).unwrap();
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let total = get_count_for_value(value);
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try!(f.write_str(&format!(
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"{}/{} {}s", count, total, value
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)));
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if *value != FINAL_VALUE {
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try!(f.write_str(", "));
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}
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}
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try!(f.write_str("\n"));
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}
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Ok(())
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}
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}
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#[derive(Debug)]
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#[derive(Debug)]
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pub enum Hinted {
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pub enum Hinted {
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Color(Color),
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Color(Color),
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@ -260,9 +333,10 @@ fn new_deck() -> Cards {
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let mut deck: Cards = Cards::from(Vec::new());
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let mut deck: Cards = Cards::from(Vec::new());
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for color in COLORS.iter() {
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for color in COLORS.iter() {
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for &(value, count) in VALUE_COUNTS.iter() {
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for value in VALUES.iter() {
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let count = get_count_for_value(value);
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for _ in 0..count {
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for _ in 0..count {
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deck.place(Card {color: color, value: value});
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deck.place(Card {color: color, value: value.clone()});
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}
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}
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}
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}
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};
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};
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@ -276,7 +350,7 @@ fn new_deck() -> Cards {
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#[derive(Debug)]
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#[derive(Debug)]
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pub struct BoardState {
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pub struct BoardState {
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deck: Cards,
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deck: Cards,
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pub discard: Cards,
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pub discard: Discard,
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pub fireworks: HashMap<Color, Firework>,
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pub fireworks: HashMap<Color, Firework>,
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pub num_players: u32,
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pub num_players: u32,
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@ -305,7 +379,7 @@ impl BoardState {
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BoardState {
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BoardState {
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deck: new_deck(),
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deck: new_deck(),
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fireworks: fireworks,
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fireworks: fireworks,
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discard: Cards::new(),
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discard: Discard::new(),
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num_players: opts.num_players,
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num_players: opts.num_players,
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player: 0,
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player: 0,
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turn: 1,
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turn: 1,
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@ -330,6 +404,47 @@ impl BoardState {
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Some(card.value) == firework.desired_value()
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Some(card.value) == firework.desired_value()
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}
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}
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pub fn was_played(&self, card: &Card) -> bool {
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let firework = self.fireworks.get(card.color).unwrap();
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if firework.complete() {
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true
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} else {
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card.value < firework.desired_value().unwrap()
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}
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}
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// is never going to play, based on discard + fireworks
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pub fn is_unplayable(&self, card: &Card) -> bool {
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let firework = self.fireworks.get(card.color).unwrap();
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if firework.complete() {
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true
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} else {
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let desired = firework.desired_value().unwrap();
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if card.value < desired {
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true
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} else {
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let mut playable = true;
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for value in VALUES.iter() {
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if *value < desired {
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// already have these cards
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continue
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} else if *value > card.value {
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// don't care about these cards
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break
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} else {
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// need these cards
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let needed_card = Card {color: card.color, value: value.clone()};
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if self.discard.has_all(&needed_card) {
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// already discarded all of these
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playable = false;
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}
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}
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}
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playable
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}
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}
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}
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pub fn get_players(&self) -> Vec<Player> {
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pub fn get_players(&self) -> Vec<Player> {
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(0..self.num_players).collect::<Vec<_>>()
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(0..self.num_players).collect::<Vec<_>>()
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}
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}
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@ -377,7 +492,8 @@ impl fmt::Display for BoardState {
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for (_, firework) in &self.fireworks {
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for (_, firework) in &self.fireworks {
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try!(f.write_str(&format!(" {}\n", firework)));
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try!(f.write_str(&format!(" {}\n", firework)));
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}
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}
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// discard: Cards::new(),
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try!(f.write_str("Discard:\n"));
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try!(f.write_str(&format!("{}\n", self.discard)));
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Ok(())
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Ok(())
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}
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}
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