+
−// vigyazz6! autplayer
+
−//
+
−
+
−use core::fmt;
+
−use std::collections::VecDeque;
+
−use rand::Rng;
+
−use std::mem;
+
−
+
−fn main() {
+
−    println!("Hello, world!");
+
−}
+
−
+
−#[derive(Debug)]
+
−struct Card {
+
−    value: i8,
+
−    points: i8,
+
−}
+
−
+
−impl Card {
+
−    fn new(value: i8)->Self {
+
−
+
−        let mut points = 0;
+
−        if value % 10 == 5 {
+
−            // ends with 5 = 2 point
+
−            points = 2;
+
−            // println!("*5 add 1, val={}, pt={}", value, points);
+
−        }
+
−
+
−        if value % 10 == 0 {
+
−            // ends with 0 = 3 point
+
−            points = 3;
+
−            // println!("*0 add 2, val={}, pt={}", value, points);
+
−        }
+
−
+
−        if value % 10 == value / 10 {
+
−            // same numbers = 5 points (55=7)
+
−            points += 5;
+
−            // println!("NN add 5, val={}, pt={}", value, points);
+
−        }
+
−
+
−        if points == 0 {
+
−            points = 1;
+
−        }
+
−
+
−        Card {
+
−            value,
+
−            points,
+
−        }
+
−    }
+
−}
+
−
+
−impl fmt::Display for Card {
+
−    fn fmt( &self, f: &mut fmt::Formatter ) -> fmt::Result {
+
−        write!(f, "(Card {}, points {})", self.value, self.points)
+
−    }
+
−}
+
−
+
−impl PartialEq for Card {
+
−    fn eq(&self, other: &Self) -> bool {
+
−        self.value == other.value
+
−    }
+
−}
+
−
+
−struct Deck {
+
−    content: VecDeque<Card>,
+
−}
+
−
+
−impl Deck {
+
−    fn new_empty() -> Self {
+
−        Deck {
+
−            content: VecDeque::new(),
+
−        }
+
−    }
+
−
+
−    fn new() -> Self {
+
−        let content = (1..104).into_iter().map( |n| Card::new(n) ).collect();
+
−        Deck {
+
−            content,
+
−        }
+
−    }
+
−
+
−    fn shuffle( &mut self ) {
+
−        let mut rng = rand::thread_rng();
+
−
+
−        // shufflers:
+
−        // * naive: swap cards n times
+
−        // * kgb: half the deck, take 1..4 cards sequentially from each
+
−        // * grin: take 1..6 from front and put at bottom
+
−
+
−        // naive shuffle: exchange random cards
+
−        for _i in 1..500 {
+
−            let c1 = rng.gen_range(1 .. self.content.len());
+
−            let c2 = rng.gen_range(1 .. self.content.len());
+
−            if c1 != c2 {
+
−                self.content.swap(c1, c2);
+
−            }
+
−        }
+
−    }
+
−
+
−    // get top card from deck
+
−    fn pop( &mut self ) -> Option<Card> {
+
−        self.content.pop_front() 
+
−    }
+
−
+
−    // put a card into the bottom of the deck
+
−    fn push( &mut self, c: Card ) {
+
−        self.content.push_back(c);
+
−    }
+
−
+
−    fn len( &self ) -> usize {
+
−        self.content.len()
+
−    }
+
−
+
−    fn get_nth( &mut self, n: usize ) -> Card {
+
−        if let Some(c) = self.content.remove(n) {
+
−            c
+
−        } else {
+
−            panic!("get_nth: index {} out of bounds ({})!", n, self.content.len());
+
−        }
+
−    }
+
−}
+
−
+
−struct Player {
+
−    name: String,
+
−    hand: Deck,
+
−    pile: Vec<Card>,
+
−    game_point: i32,
+
−    total_point: i32,
+
−    rows_busted: i32,
+
−}
+
−
+
−impl Player {
+
−    fn new(name: String)->Self {
+
−        Player {
+
−            name,
+
−            hand: Deck::new_empty(),
+
−            pile: Vec::new(),
+
−            game_point: 0,
+
−            total_point: 0,
+
−            rows_busted: 0,
+
−        }
+
−    }
+
−
+
−    // get one card from th dealer
+
−    fn get_card( &mut self, card: Card ) {
+
−        self.hand.push(card);
+
−    }
+
−
+
−    // throw a card from hand to the table
+
−    fn throw_card( &mut self )->Card {
+
−        if let Some(c) = self.hand.pop() {
+
−            c
+
−        } else {
+
−            panic!("throw_card: Player {} has no card in hand!", self.name);
+
−        }
+
−    }
+
−
+
−    // get a busted row of cards
+
−    fn get_pile( &mut self, cards: Vec<Card> ) {
+
−        for c in cards.into_iter() {
+
−            self.game_point += c.points as i32;
+
−            self.pile.push(c);
+
−        }
+
−        self.rows_busted += 1;
+
−    }
+
−
+
−    // ask the player their score
+
−    fn tell_points( self ) -> i32 {
+
−        self.game_point
+
−    }
+
−
+
−    // give back cards from the pile
+
−    fn give_pile( &mut self ) -> Vec<Card> {
+
−        mem::take( &mut self.pile )
+
−        // same effect:
+
−        // self.pile.drain(..).collect()
+
−
+
−        // very cumbersome manual fiddling (also reverted...)
+
−/*         let mut throw: Vec<Card> = Vec::new();
+
−        for _i in 0 .. self.pile.len() {
+
−            throw.push( self.pile.pop().unwrap() );
+
−        }
+
−        throw
+
− */    
+
−    }
+
−
+
−    // I can do this just because I *throw away* c!
+
−    // doesn't work if I want to use it.
+
−/*     fn _gimme_pile(self)->Self {
+
−        for c in &self.pile {
+
−            println!("Throw {} ", c);
+
−        }
+
−        self
+
−    }
+
− */
+
−    fn close_round( &mut self ) {
+
−        if self.hand.len() > 0 {
+
−            panic!("Closing round when {} has {} cards in hand", self.name, self.hand.len());
+
−        }
+
−
+
−        if self.pile.len() > 0 {
+
−            panic!("Closing round when {} stil have pile with {} cards", self.name, self.pile.len());
+
−        }
+
−
+
−        self.total_point += self.game_point;
+
−        self.game_point = 0;
+
−    }
+
−}
+
−
+
−// a row of cards on the table (max 5)
+
−struct Row {
+
−    cards: VecDeque<Card>,
+
−}
+
−
+
−impl Row {
+
−    const MAX_LEN: usize = 5;
+
−
+
−    fn new() -> Self {
+
−        Row {
+
−            cards: VecDeque::new(),
+
−        }
+
−    }
+
−
+
−    fn push_or_collect( &mut self, card: Card ) -> Option<VecDeque<Card>> {
+
−        if self.cards.len() < Self::MAX_LEN {
+
−            self.cards.push_back(card);
+
−            None
+
−
+
−        } else {
+
−            // row overflow
+
−            let row_cards = mem::take( &mut self.cards );
+
−            self.cards.push_back(card);
+
−            if self.cards.len() != 1 {
+
−                panic!("New row must have one card, not {}", self.cards.len());
+
−            }
+
−            Some(row_cards)
+
−        }
+
−    }
+
−
+
−    fn last_card_value(&self) -> i8 {
+
−        println!("last_card_value: cards {:?}, len {}", self.cards, self.cards.len());
+
−        self.cards.get( self.cards.len()-1 ).unwrap().value
+
−    }
+
−}
+
−
+
−struct PlayerCard {
+
−    player_id: u32,
+
−    card: Card,
+
−}
+
−
+
−struct Table {
+
−    rows: Vec<Row>,
+
−    player_cards: Vec<PlayerCard>, // owned by a player
+
−}
+
−
+
−
+
−
+
−
+
−fn game() {
+
−/*
+
−    let mut deck = deck_init();
+
−    let mut players = Vec::new();
+
−
+
−    for cnt_game in (1..100) {
+
−
+
−    }
+
−     */
+
−}
+
−
+
−#[cfg(test)]
+
−mod tests {
+
−    use crate::{Card, Player, Row};
+
−
+
−    #[test]
+
−    fn card_values() {
+
−        let card_values = vec![1,2,5,10,33,55,77];
+
−        let card_points = vec![1,1,2,3, 5, 7, 5];
+
−        for i in 1 .. card_values.len() {
+
−            let c = Card::new( card_values[i] );
+
−            let p = c.points;
+
−            assert!(p == card_points[i], "card={} card points={} i={} expected point={}", card_values[i], p, i, card_points[i]);
+
−        }
+
−    }
+
−
+
−    #[test]
+
−    fn player_take_pile() {
+
−        // create a player
+
−        let mut p = Player::new("bob".to_string());
+
−        // create a pile
+
−        let mut pile = Vec::new();
+
−        let mut refpile = Vec::new();
+
−        for i in 5..10 {
+
−            let c = Card::new(i);
+
−            pile.push(c);
+
−            let c = Card::new(i);
+
−            refpile.push(c);
+
−        }
+
−        // add the pile to player
+
−        p.get_pile(pile);
+
−        assert!( p.rows_busted == 1 );
+
−
+
−        // get back the pile from player
+
−        // p = p.gimme_pile();
+
−        let pile = p.give_pile();
+
−        
+
−        // the pile we got shall be same as the pile we gave
+
−        // this check is O(n^2), doesn't matter for less than 100 items
+
−        assert!( pile.iter().all( |item| refpile.contains(item)) );
+
−
+
−        let mut pile = Vec::new();
+
−        for i in 4..9 {
+
−            let c = Card::new(i);
+
−            pile.push(c);
+
−        }
+
−        p.get_pile(pile);
+
−        assert!( p.rows_busted == 2 );
+
−    }
+
−
+
−    #[test]
+
−    fn row_push() {
+
−        let mut row = Row::new();
+
−        let mut refcard = Vec::new();   // reference vec to check
+
−        for i in 1..=7 {
+
−            let cval = i+5;
+
−            let card = Card::new(cval);
+
−            // push a card into the row
+
−            if let Some(cards) = row.push_or_collect(card) {
+
−                // got the overflow
+
−                println!("Got overflow row at {}!", i);
+
−                assert!( i == 6, "Overflow at wrong position: {} != 6", i );
+
−                // we need to get the proper vec
+
−                assert!( cards.iter().all( |item| refcard.contains(item) ), "Got cards {:?}", cards ); 
+
−            } else {
+
−                println!("push success {}", i);
+
−            }
+
−            // remember the correct vec for checking
+
−            let card = Card::new(cval);
+
−            refcard.push(card);
+
−
+
−            // check card value
+
−            assert!( row.last_card_value() == cval, "Last card value mismatch: got {} vs expected {}", row.last_card_value(), cval );
+
−        }
+
−        assert!( row.cards.len() == 2, "Row contains wrong amount of cards: {}", row.cards.len() );
+
−    }
+
−}
+
−
+
−/*
+
−
+
−- 1-104 lap, 
+
−    - *5 - 2
+
−    - *0 - 3
+
−    - NN - 5
+
−    - 55 - 7
+
−- deck
+
−- jatekosok; kezben tartott lapok; elvitt lapok; pontszamok; counter: elvitt sorok, okrok, total pont
+
−-- keveres (keveresek szama)
+
−-- osztas: mindenki 10 lap
+
−-- start sorok: 5 kartya
+
−- jatek (jatekok szama)
+
−-- mindenki a felso lapot kiteszi
+
−-- szamsorrendben felkerulnek, aki viszi, viszi
+
−--- ha kisebb, akkor dontes
+
−---- ha van legkevesebb, viszi
+
−---- ha tobb min van, random valaszt
+
−- osszesites
+
−-- okrok, elvitt sorok
+
−-- keveresek szama, jatekok szama, eltelt ido
+
−- deck osszegyujtes
+
−
+
−
+
−*/