card game stuff

src/klondike.rs

@@ -1,17 +1,16 @@
 use crate::Rng;
 use crate::card_game::{Card, Game, Pile, Stack};
 
-struct KlondikeConfig {}
+pub struct KlondikeConfig {}
+impl Default for KlondikeConfig {
+	fn default() -> Self {
+		KlondikeConfig {}
+	}
+}
 struct KlondikeState {
-	piles: [Pile; 14],
+	piles: [Pile; 13],
 }
 pub enum KlondikePileId {
-	Stock,
-	Hand,
-	Foundation0,
-	Foundation1,
-	Foundation2,
-	Foundation3,
 	Tableau0,
 	Tableau1,
 	Tableau2,
@@ -20,6 +19,11 @@ pub enum KlondikePileId {
 	Tableau5,
 	Tableau6,
 	Tableau7,
+	Stock,
+	Foundation0,
+	Foundation1,
+	Foundation2,
+	Foundation3,
 }
 impl std::ops::Index<KlondikePileId> for KlondikeState {
 	type Output = Pile;
@@ -42,10 +46,41 @@ pub struct Klondike {
 	state: KlondikeState,
 }
 impl Klondike {
-	pub fn new(mut seed: Rng) -> Self {
+	pub fn new(mut seed: Rng, config: KlondikeConfig) -> Self {
+		// shuffle a new deck
 		let mut deck = Stack::full_deck(0);
+		use rand::seq::SliceRandom;
 		deck.shuffle(&mut seed);
-		unimplemented!()
+
+		// generate tableaus
+		let [t0, t1, t2, t3, t4, t5, t6, t7] = core::array::from_fn(|i| {
+			let stack = deck.split_off(i).into();
+			let mut pile = Pile::new_face_down(stack);
+			pile.push(deck.pop().unwrap());
+			pile
+		});
+
+		// stock is remaining cards
+		let stock = Pile::new_face_down(deck);
+
+		let state = KlondikeState {
+			piles: [
+				t0,
+				t1,
+				t2,
+				t3,
+				t4,
+				t5,
+				t6,
+				t7,
+				stock,
+				Pile::new(),
+				Pile::new(),
+				Pile::new(),
+				Pile::new(),
+			],
+		};
+		Self { config, state }
 	}
 }
 impl Game for Klondike {