Refactor KlondikeInstruction (#4)

Fixes #2

Reviewed-on: #4
Co-authored-by: Rhys Lloyd <krakow20@gmail.com>
Co-committed-by: Rhys Lloyd <krakow20@gmail.com>
This commit was merged in pull request #4.
This commit is contained in:
2026-05-16 19:09:11 +00:00
committed by Quaternions
parent 0d98f8e25e
commit a8051b221b
2 changed files with 341 additions and 420 deletions
+284 -314
View File
@@ -9,9 +9,8 @@ impl Default for KlondikeConfig {
}
}
#[repr(u8)]
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum KlondikePileId {
pub enum Tableau {
Tableau1,
Tableau2,
Tableau3,
@@ -19,15 +18,11 @@ pub enum KlondikePileId {
Tableau5,
Tableau6,
Tableau7,
Foundation1,
Foundation2,
Foundation3,
Foundation4,
Stock,
}
impl KlondikePileId {
impl Tableau {
const ITER_BEGIN: Self = Self::Tableau1;
const fn next(self) -> Option<Self> {
use KlondikePileId::*;
use Tableau::*;
Some(match self {
Tableau1 => Tableau2,
Tableau2 => Tableau3,
@@ -35,229 +30,228 @@ impl KlondikePileId {
Tableau4 => Tableau5,
Tableau5 => Tableau6,
Tableau6 => Tableau7,
Tableau7 => Foundation1,
Foundation1 => Foundation2,
Foundation2 => Foundation3,
Foundation3 => Foundation4,
Foundation4 => Stock,
Stock => return None,
Tableau7 => return None,
})
}
}
/// high four bits for stack depth, low four bits for Pile Id
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct InstructionSrc(u8);
impl InstructionSrc {
const STOCK: Self = InstructionSrc::new(KlondikePileStack::Stock);
pub const fn new(src: KlondikePileStack) -> Self {
match src {
KlondikePileStack::Tableau1(skip_cards) => {
Self(KlondikePileId::Tableau1 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau2(skip_cards) => {
Self(KlondikePileId::Tableau2 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau3(skip_cards) => {
Self(KlondikePileId::Tableau3 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau4(skip_cards) => {
Self(KlondikePileId::Tableau4 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau5(skip_cards) => {
Self(KlondikePileId::Tableau5 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau6(skip_cards) => {
Self(KlondikePileId::Tableau6 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Tableau7(skip_cards) => {
Self(KlondikePileId::Tableau7 as u8 + ((skip_cards as u8) << 4))
}
KlondikePileStack::Foundation1 => Self(KlondikePileId::Foundation1 as u8),
KlondikePileStack::Foundation2 => Self(KlondikePileId::Foundation2 as u8),
KlondikePileStack::Foundation3 => Self(KlondikePileId::Foundation3 as u8),
KlondikePileStack::Foundation4 => Self(KlondikePileId::Foundation4 as u8),
KlondikePileStack::Stock => Self(KlondikePileId::Stock as u8),
}
}
const fn into_spec(self) -> KlondikePileStack {
// SAFETY: there is no way to construct an invalid InstructionSrc
let pile = unsafe { core::mem::transmute(self.0 & 0b1111) };
match pile {
KlondikePileId::Tableau1 => {
KlondikePileStack::Tableau1(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau2 => {
KlondikePileStack::Tableau2(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau3 => {
KlondikePileStack::Tableau3(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau4 => {
KlondikePileStack::Tableau4(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau5 => {
KlondikePileStack::Tableau5(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau6 => {
KlondikePileStack::Tableau6(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Tableau7 => {
KlondikePileStack::Tableau7(unsafe { core::mem::transmute(self.0 >> 4) })
}
KlondikePileId::Foundation1 => KlondikePileStack::Foundation1,
KlondikePileId::Foundation2 => KlondikePileStack::Foundation2,
KlondikePileId::Foundation3 => KlondikePileStack::Foundation3,
KlondikePileId::Foundation4 => KlondikePileStack::Foundation4,
KlondikePileId::Stock => KlondikePileStack::Stock,
}
}
pub enum Foundation {
Foundation1,
Foundation2,
Foundation3,
Foundation4,
}
impl Foundation {
const ITER_BEGIN: Self = Self::Foundation1;
const fn next(self) -> Option<Self> {
match self.into_spec().next() {
Some(s) => Some(Self::new(s)),
None => None,
}
use Foundation::*;
Some(match self {
Foundation1 => Foundation2,
Foundation2 => Foundation3,
Foundation3 => Foundation4,
Foundation4 => return None,
})
}
}
impl From<InstructionSrc> for KlondikePileId {
fn from(value: InstructionSrc) -> Self {
match value.into_spec() {
KlondikePileStack::Tableau1(_) => KlondikePileId::Tableau1,
KlondikePileStack::Tableau2(_) => KlondikePileId::Tableau2,
KlondikePileStack::Tableau3(_) => KlondikePileId::Tableau3,
KlondikePileStack::Tableau4(_) => KlondikePileId::Tableau4,
KlondikePileStack::Tableau5(_) => KlondikePileId::Tableau5,
KlondikePileStack::Tableau6(_) => KlondikePileId::Tableau6,
KlondikePileStack::Tableau7(_) => KlondikePileId::Tableau7,
KlondikePileStack::Foundation1 => KlondikePileId::Foundation1,
KlondikePileStack::Foundation2 => KlondikePileId::Foundation2,
KlondikePileStack::Foundation3 => KlondikePileId::Foundation3,
KlondikePileStack::Foundation4 => KlondikePileId::Foundation4,
KlondikePileStack::Stock => KlondikePileId::Stock,
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum KlondikePile {
Tableau(Tableau),
Stock,
Foundation(Foundation),
}
impl KlondikePile {
const ITER_BEGIN: Self = Self::Tableau(Tableau::ITER_BEGIN);
const fn next(self) -> Option<Self> {
Some(match self {
Self::Tableau(tableau_stack) => match tableau_stack.next() {
Some(tableau_stack) => Self::Tableau(tableau_stack),
None => Self::Stock,
},
Self::Stock => Self::Foundation(Foundation::ITER_BEGIN),
Self::Foundation(foundation) => match foundation.next() {
Some(foundation) => Self::Foundation(foundation),
None => return None,
},
})
}
}
impl From<Tableau> for KlondikePile {
fn from(value: Tableau) -> Self {
KlondikePile::Tableau(value)
}
}
impl From<Foundation> for KlondikePile {
fn from(value: Foundation) -> Self {
KlondikePile::Foundation(value)
}
}
#[repr(u8)]
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum SkipCards {
Zero,
One,
Two,
Three,
Four,
Five,
Six,
Seven,
Eight,
Nine,
Ten,
Eleven,
Twelve,
Skip0,
Skip1,
Skip2,
Skip3,
Skip4,
Skip5,
Skip6,
Skip7,
Skip8,
Skip9,
Skip10,
Skip11,
Skip12,
}
impl SkipCards {
const ITER_BEGIN: Self = Self::Skip0;
const fn next(self) -> Option<Self> {
use SkipCards::*;
Some(match self {
Zero => One,
One => Two,
Two => Three,
Three => Four,
Four => Five,
Five => Six,
Six => Seven,
Seven => Eight,
Eight => Nine,
Nine => Ten,
Ten => Eleven,
Eleven => Twelve,
Twelve => return None,
})
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum KlondikePileStack {
Tableau1(SkipCards),
Tableau2(SkipCards),
Tableau3(SkipCards),
Tableau4(SkipCards),
Tableau5(SkipCards),
Tableau6(SkipCards),
Tableau7(SkipCards),
Foundation1,
Foundation2,
Foundation3,
Foundation4,
Stock,
}
impl KlondikePileStack {
const fn next(self) -> Option<Self> {
use KlondikePileStack::*;
Some(match self {
Tableau1(skip) => match skip.next() {
Some(next) => Tableau1(next),
None => Tableau2(SkipCards::Zero),
},
Tableau2(skip) => match skip.next() {
Some(next) => Tableau2(next),
None => Tableau3(SkipCards::Zero),
},
Tableau3(skip) => match skip.next() {
Some(next) => Tableau3(next),
None => Tableau4(SkipCards::Zero),
},
Tableau4(skip) => match skip.next() {
Some(next) => Tableau4(next),
None => Tableau5(SkipCards::Zero),
},
Tableau5(skip) => match skip.next() {
Some(next) => Tableau5(next),
None => Tableau6(SkipCards::Zero),
},
Tableau6(skip) => match skip.next() {
Some(next) => Tableau6(next),
None => Tableau7(SkipCards::Zero),
},
Tableau7(skip) => match skip.next() {
Some(next) => Tableau7(next),
None => Foundation1,
},
Foundation1 => Foundation2,
Foundation2 => Foundation3,
Foundation3 => Foundation4,
Foundation4 => Stock,
Stock => return None,
Skip0 => Skip1,
Skip1 => Skip2,
Skip2 => Skip3,
Skip3 => Skip4,
Skip4 => Skip5,
Skip5 => Skip6,
Skip6 => Skip7,
Skip7 => Skip8,
Skip8 => Skip9,
Skip9 => Skip10,
Skip10 => Skip11,
Skip11 => Skip12,
Skip12 => return None,
})
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct KlondikeInstruction {
pub src: InstructionSrc,
pub dst: KlondikePileId,
pub struct TableauStack {
pub tableau: Tableau,
pub skip_cards: SkipCards,
}
impl KlondikeInstruction {
pub const fn stock() -> Self {
Self {
src: InstructionSrc::STOCK,
dst: KlondikePileId::Stock,
}
}
impl TableauStack {
const ITER_BEGIN: Self = Self {
tableau: Tableau::ITER_BEGIN,
skip_cards: SkipCards::ITER_BEGIN,
};
const fn next(self) -> Option<Self> {
let KlondikeInstruction { src, dst } = self;
if let Some(next_dst) = dst.next() {
return Some(Self { src, dst: next_dst });
}
if let Some(next_src) = src.next() {
let TableauStack {
tableau,
skip_cards,
} = self;
if let Some(skip_cards) = skip_cards.next() {
return Some(Self {
src: next_src,
dst: KlondikePileId::Tableau1,
tableau,
skip_cards,
});
}
if let Some(tableau) = tableau.next() {
let skip_cards = SkipCards::Skip0;
return Some(Self {
tableau,
skip_cards,
});
}
None
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum KlondikePileStack {
Tableau(TableauStack),
Stock,
Foundation(Foundation),
}
impl KlondikePileStack {
const ITER_BEGIN: Self = Self::Tableau(TableauStack::ITER_BEGIN);
const fn next(self) -> Option<Self> {
Some(match self {
Self::Tableau(tableau_stack) => match tableau_stack.next() {
Some(tableau_stack) => Self::Tableau(tableau_stack),
None => Self::Stock,
},
Self::Stock => Self::Foundation(Foundation::ITER_BEGIN),
Self::Foundation(foundation) => match foundation.next() {
Some(foundation) => Self::Foundation(foundation),
None => return None,
},
})
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct DstFoundation {
pub src: KlondikePile,
pub foundation: Foundation,
}
impl DstFoundation {
const ITER_BEGIN: Self = Self {
src: KlondikePile::ITER_BEGIN,
foundation: Foundation::ITER_BEGIN,
};
const fn next(self) -> Option<Self> {
let DstFoundation { src, foundation } = self;
if let Some(src) = src.next() {
return Some(Self { src, foundation });
}
if let Some(foundation) = foundation.next() {
let src = KlondikePile::ITER_BEGIN;
return Some(Self { src, foundation });
}
None
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub struct DstTableau {
pub src: KlondikePileStack,
pub tableau: Tableau,
}
impl DstTableau {
const ITER_BEGIN: Self = Self {
src: KlondikePileStack::ITER_BEGIN,
tableau: Tableau::ITER_BEGIN,
};
const fn next(self) -> Option<Self> {
let DstTableau { src, tableau } = self;
if let Some(src) = src.next() {
return Some(Self { src, tableau });
}
if let Some(tableau) = tableau.next() {
let src = KlondikePileStack::ITER_BEGIN;
return Some(Self { src, tableau });
}
None
}
}
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub enum KlondikeInstruction {
DstFoundation(DstFoundation),
DstTableau(DstTableau),
RotateStock,
}
impl KlondikeInstruction {
const ITER_BEGIN: Self = Self::DstFoundation(DstFoundation::ITER_BEGIN);
const fn next(self) -> Option<Self> {
Some(match self {
Self::DstFoundation(dst_foundation) => match dst_foundation.next() {
Some(dst_foundation) => Self::DstFoundation(dst_foundation),
None => Self::DstTableau(DstTableau::ITER_BEGIN),
},
Self::DstTableau(tableau) => match tableau.next() {
Some(tableau) => Self::DstTableau(tableau),
None => Self::RotateStock,
},
Self::RotateStock => return None,
})
}
}
const TABLEAUS: usize = 7;
const fn sum(n: usize) -> usize {
n * (n + 1) / 2
@@ -313,128 +307,106 @@ impl KlondikeState {
pub const fn tableau7(&self) -> &Pile<6, 13> {
&self.tableau7
}
fn src_card(&self, src: InstructionSrc) -> Option<&Card> {
match src.into_spec() {
KlondikePileStack::Tableau1(skip_cards) => {
self.tableau1.face_up().get(skip_cards as usize)
fn card(&self, src: KlondikePileStack) -> Option<&Card> {
match src {
KlondikePileStack::Tableau(TableauStack {
tableau,
skip_cards,
}) => match tableau {
Tableau::Tableau1 => self.tableau1.face_up().get(skip_cards as usize),
Tableau::Tableau2 => self.tableau2.face_up().get(skip_cards as usize),
Tableau::Tableau3 => self.tableau3.face_up().get(skip_cards as usize),
Tableau::Tableau4 => self.tableau4.face_up().get(skip_cards as usize),
Tableau::Tableau5 => self.tableau5.face_up().get(skip_cards as usize),
Tableau::Tableau6 => self.tableau6.face_up().get(skip_cards as usize),
Tableau::Tableau7 => self.tableau7.face_up().get(skip_cards as usize),
},
KlondikePileStack::Foundation(foundation) => {
self.foundations[foundation as usize].last()
}
KlondikePileStack::Tableau2(skip_cards) => {
self.tableau2.face_up().get(skip_cards as usize)
}
KlondikePileStack::Tableau3(skip_cards) => {
self.tableau3.face_up().get(skip_cards as usize)
}
KlondikePileStack::Tableau4(skip_cards) => {
self.tableau4.face_up().get(skip_cards as usize)
}
KlondikePileStack::Tableau5(skip_cards) => {
self.tableau5.face_up().get(skip_cards as usize)
}
KlondikePileStack::Tableau6(skip_cards) => {
self.tableau6.face_up().get(skip_cards as usize)
}
KlondikePileStack::Tableau7(skip_cards) => {
self.tableau7.face_up().get(skip_cards as usize)
}
KlondikePileStack::Foundation1 => self.foundations[1 - 1].last(),
KlondikePileStack::Foundation2 => self.foundations[2 - 1].last(),
KlondikePileStack::Foundation3 => self.foundations[3 - 1].last(),
KlondikePileStack::Foundation4 => self.foundations[4 - 1].last(),
KlondikePileStack::Stock => self.stock.face_up().last(),
}
}
fn take_src_cards(&mut self, src: InstructionSrc) -> Stack<13> {
match src.into_spec() {
KlondikePileStack::Tableau1(skip_cards) => {
self.tableau1.take_range_flip_up(skip_cards as usize..)
fn top_card(&self, src: KlondikePile) -> Option<&Card> {
match src {
KlondikePile::Tableau(tableau) => match tableau {
Tableau::Tableau1 => self.tableau1.face_up().last(),
Tableau::Tableau2 => self.tableau2.face_up().last(),
Tableau::Tableau3 => self.tableau3.face_up().last(),
Tableau::Tableau4 => self.tableau4.face_up().last(),
Tableau::Tableau5 => self.tableau5.face_up().last(),
Tableau::Tableau6 => self.tableau6.face_up().last(),
Tableau::Tableau7 => self.tableau7.face_up().last(),
},
KlondikePile::Foundation(foundation) => self.foundations[foundation as usize].last(),
KlondikePile::Stock => self.stock.face_up().last(),
}
}
fn take_cards(&mut self, src: KlondikePileStack) -> Stack<13> {
match src {
KlondikePileStack::Tableau(TableauStack {
tableau,
skip_cards,
}) => match tableau {
Tableau::Tableau1 => self.tableau1.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau2 => self.tableau2.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau3 => self.tableau3.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau4 => self.tableau4.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau5 => self.tableau5.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau6 => self.tableau6.take_range_flip_up(skip_cards as usize..),
Tableau::Tableau7 => self.tableau7.take_range_flip_up(skip_cards as usize..),
},
KlondikePileStack::Foundation(foundation) => {
Stack::from_iter(self.foundations[foundation as usize].pop())
}
KlondikePileStack::Tableau2(skip_cards) => {
self.tableau2.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Tableau3(skip_cards) => {
self.tableau3.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Tableau4(skip_cards) => {
self.tableau4.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Tableau5(skip_cards) => {
self.tableau5.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Tableau6(skip_cards) => {
self.tableau6.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Tableau7(skip_cards) => {
self.tableau7.take_range_flip_up(skip_cards as usize..)
}
KlondikePileStack::Foundation1 => Stack::from_iter(self.foundations[1 - 1].pop()),
KlondikePileStack::Foundation2 => Stack::from_iter(self.foundations[2 - 1].pop()),
KlondikePileStack::Foundation3 => Stack::from_iter(self.foundations[3 - 1].pop()),
KlondikePileStack::Foundation4 => Stack::from_iter(self.foundations[4 - 1].pop()),
KlondikePileStack::Stock => Stack::from_iter(self.stock.pop()),
}
}
fn dst_card(&self, dst: KlondikePileId) -> Option<&Card> {
match dst {
KlondikePileId::Tableau1 => self.tableau1.face_up().last(),
KlondikePileId::Tableau2 => self.tableau2.face_up().last(),
KlondikePileId::Tableau3 => self.tableau3.face_up().last(),
KlondikePileId::Tableau4 => self.tableau4.face_up().last(),
KlondikePileId::Tableau5 => self.tableau5.face_up().last(),
KlondikePileId::Tableau6 => self.tableau6.face_up().last(),
KlondikePileId::Tableau7 => self.tableau7.face_up().last(),
KlondikePileId::Foundation1 => self.foundations[1 - 1].last(),
KlondikePileId::Foundation2 => self.foundations[2 - 1].last(),
KlondikePileId::Foundation3 => self.foundations[3 - 1].last(),
KlondikePileId::Foundation4 => self.foundations[4 - 1].last(),
KlondikePileId::Stock => None,
fn take_top_card(&mut self, src: KlondikePile) -> Option<Card> {
match src {
KlondikePile::Tableau(tableau) => match tableau {
Tableau::Tableau1 => self.tableau1.pop(),
Tableau::Tableau2 => self.tableau2.pop(),
Tableau::Tableau3 => self.tableau3.pop(),
Tableau::Tableau4 => self.tableau4.pop(),
Tableau::Tableau5 => self.tableau5.pop(),
Tableau::Tableau6 => self.tableau6.pop(),
Tableau::Tableau7 => self.tableau7.pop(),
},
KlondikePile::Foundation(foundation) => self.foundations[foundation as usize].pop(),
KlondikePile::Stock => self.stock.pop(),
}
}
fn extend_dst_pile(&mut self, dst: KlondikePileId, cards: Stack<13>) {
fn extend<I: IntoIterator<Item = Card>>(&mut self, dst: KlondikePile, cards: I) {
match dst {
KlondikePileId::Tableau1 => self.tableau1.extend(cards),
KlondikePileId::Tableau2 => self.tableau2.extend(cards),
KlondikePileId::Tableau3 => self.tableau3.extend(cards),
KlondikePileId::Tableau4 => self.tableau4.extend(cards),
KlondikePileId::Tableau5 => self.tableau5.extend(cards),
KlondikePileId::Tableau6 => self.tableau6.extend(cards),
KlondikePileId::Tableau7 => self.tableau7.extend(cards),
KlondikePileId::Foundation1 => self.foundations[1 - 1].extend(cards),
KlondikePileId::Foundation2 => self.foundations[2 - 1].extend(cards),
KlondikePileId::Foundation3 => self.foundations[3 - 1].extend(cards),
KlondikePileId::Foundation4 => self.foundations[4 - 1].extend(cards),
KlondikePileId::Stock => (),
KlondikePile::Tableau(tableau) => match tableau {
Tableau::Tableau1 => self.tableau1.extend(cards),
Tableau::Tableau2 => self.tableau2.extend(cards),
Tableau::Tableau3 => self.tableau3.extend(cards),
Tableau::Tableau4 => self.tableau4.extend(cards),
Tableau::Tableau5 => self.tableau5.extend(cards),
Tableau::Tableau6 => self.tableau6.extend(cards),
Tableau::Tableau7 => self.tableau7.extend(cards),
},
KlondikePile::Foundation(foundation) => {
self.foundations[foundation as usize].extend(cards)
}
KlondikePile::Stock => self.stock.extend(cards),
}
}
fn is_instruction_valid(&self, instruction: KlondikeInstruction) -> bool {
match instruction {
// Stock -> Stock draws a card or resets the stock
KlondikeInstruction {
src: InstructionSrc::STOCK,
dst: KlondikePileId::Stock,
} => {
KlondikeInstruction::RotateStock => {
// cannot move stock when stock is empty
!self.stock.is_empty()
}
// cannot move cards to stock
KlondikeInstruction {
src: _,
dst: KlondikePileId::Stock,
} => false,
// moving to foundation has special rules
KlondikeInstruction { src, dst }
if matches!(
dst,
KlondikePileId::Foundation1
| KlondikePileId::Foundation2
| KlondikePileId::Foundation3
| KlondikePileId::Foundation4
) =>
{
KlondikeInstruction::DstFoundation(dst_foundation) => {
// get the top cards
if let Some(src_card) = self.src_card(src) {
match self.dst_card(dst) {
if let Some(src_card) = self.top_card(dst_foundation.src) {
match self.top_card(dst_foundation.foundation.into()) {
// destination card exists
Some(dst_card) => {
// suit matches?
@@ -450,10 +422,10 @@ impl KlondikeState {
}
}
// other = move to tableau
KlondikeInstruction { src, dst } => {
// get the top cards
if let Some(src_card) = self.src_card(src) {
match self.dst_card(dst) {
KlondikeInstruction::DstTableau(dst_tableau) => {
// get the cards
if let Some(src_card) = self.card(dst_tableau.src) {
match self.top_card(dst_tableau.tableau.into()) {
// destination card exists
Some(dst_card) => {
// red-ness is opposite?
@@ -478,10 +450,7 @@ pub struct KlondikeIter {
impl KlondikeIter {
const fn new() -> Self {
Self {
instruction: Some(KlondikeInstruction {
src: InstructionSrc::new(KlondikePileStack::Tableau1(SkipCards::Zero)),
dst: KlondikePileId::Tableau2,
}),
instruction: Some(KlondikeInstruction::ITER_BEGIN),
}
}
}
@@ -558,19 +527,20 @@ impl Game for Klondike {
fn process_instruction(&mut self, instruction: Self::Instruction) {
match instruction {
// Reset the stock if it's empty
KlondikeInstruction {
src: InstructionSrc::STOCK,
dst: KlondikePileId::Stock,
} => {
KlondikeInstruction::RotateStock => {
if self.state.stock.face_down().is_empty() {
self.state.stock.flip_it_and_reverse_it();
} else {
self.state.stock.flip_up();
}
}
KlondikeInstruction { src, dst } => {
let cards = self.state.take_src_cards(src);
self.state.extend_dst_pile(dst, cards);
KlondikeInstruction::DstFoundation(DstFoundation { src, foundation }) => {
let cards = self.state.take_top_card(src);
self.state.extend(foundation.into(), cards);
}
KlondikeInstruction::DstTableau(DstTableau { src, tableau }) => {
let cards = self.state.take_cards(src);
self.state.extend(tableau.into(), cards);
}
}
}
+57 -106
View File
@@ -5,8 +5,8 @@ pub type Rng = rand::rngs::ThreadRng;
use card_game::{Card, Game, Pile, Session, Suit};
use klondike::{
InstructionSrc, Klondike, KlondikeInstruction, KlondikePileId, KlondikePileStack,
KlondikeState, SkipCards,
DstFoundation, DstTableau, Foundation, Klondike, KlondikeInstruction, KlondikePile,
KlondikePileStack, SkipCards, Tableau, TableauStack,
};
use std::fmt::Display;
@@ -91,8 +91,8 @@ impl Display for Klondike {
struct Invalid;
struct Parsed<T>(T);
struct NaiveInstruction {
src: KlondikePileId,
dst: KlondikePileId,
src: KlondikePile,
dst: KlondikePile,
}
impl core::str::FromStr for NaiveInstruction {
type Err = Invalid;
@@ -102,22 +102,22 @@ impl core::str::FromStr for NaiveInstruction {
Ok(NaiveInstruction { src, dst })
}
}
impl core::str::FromStr for Parsed<KlondikePileId> {
impl core::str::FromStr for Parsed<KlondikePile> {
type Err = Invalid;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(Parsed(match s {
"st" => KlondikePileId::Stock,
"t1" => KlondikePileId::Tableau1,
"t2" => KlondikePileId::Tableau2,
"t3" => KlondikePileId::Tableau3,
"t4" => KlondikePileId::Tableau4,
"t5" => KlondikePileId::Tableau5,
"t6" => KlondikePileId::Tableau6,
"t7" => KlondikePileId::Tableau7,
"f1" => KlondikePileId::Foundation1,
"f2" => KlondikePileId::Foundation2,
"f3" => KlondikePileId::Foundation3,
"f4" => KlondikePileId::Foundation4,
"st" => KlondikePile::Stock,
"t1" => KlondikePile::Tableau(Tableau::Tableau1),
"t2" => KlondikePile::Tableau(Tableau::Tableau2),
"t3" => KlondikePile::Tableau(Tableau::Tableau3),
"t4" => KlondikePile::Tableau(Tableau::Tableau4),
"t5" => KlondikePile::Tableau(Tableau::Tableau5),
"t6" => KlondikePile::Tableau(Tableau::Tableau6),
"t7" => KlondikePile::Tableau(Tableau::Tableau7),
"f1" => KlondikePile::Foundation(Foundation::Foundation1),
"f2" => KlondikePile::Foundation(Foundation::Foundation2),
"f3" => KlondikePile::Foundation(Foundation::Foundation3),
"f4" => KlondikePile::Foundation(Foundation::Foundation4),
_ => return Err(Invalid),
}))
}
@@ -152,99 +152,48 @@ fn find_valid_instruction(
naive_instruction: NaiveInstruction,
) -> Option<KlondikeInstruction> {
const SKIP_LIST: [SkipCards; 13] = [
SkipCards::Zero,
SkipCards::One,
SkipCards::Two,
SkipCards::Three,
SkipCards::Four,
SkipCards::Five,
SkipCards::Six,
SkipCards::Seven,
SkipCards::Eight,
SkipCards::Nine,
SkipCards::Ten,
SkipCards::Eleven,
SkipCards::Twelve,
SkipCards::Skip0,
SkipCards::Skip1,
SkipCards::Skip2,
SkipCards::Skip3,
SkipCards::Skip4,
SkipCards::Skip5,
SkipCards::Skip6,
SkipCards::Skip7,
SkipCards::Skip8,
SkipCards::Skip9,
SkipCards::Skip10,
SkipCards::Skip11,
SkipCards::Skip12,
];
let dst = naive_instruction.dst;
let src = match naive_instruction.src {
KlondikePileId::Tableau1 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau1(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
let instruction = match (naive_instruction.dst, naive_instruction.src) {
(KlondikePile::Tableau(tableau), src) => {
let src = match src {
KlondikePile::Tableau(src_tableau) => {
for skip_cards in SKIP_LIST {
let src = KlondikePileStack::Tableau(TableauStack {
tableau: src_tableau,
skip_cards,
});
let instruction =
KlondikeInstruction::DstTableau(DstTableau { tableau, src });
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
}
return None;
KlondikePile::Stock => KlondikePileStack::Stock,
KlondikePile::Foundation(foundation) => KlondikePileStack::Foundation(foundation),
};
KlondikeInstruction::DstTableau(DstTableau { tableau, src })
}
KlondikePileId::Tableau2 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau2(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
(KlondikePile::Stock, KlondikePile::Stock) => KlondikeInstruction::RotateStock,
(KlondikePile::Foundation(foundation), src) => {
KlondikeInstruction::DstFoundation(DstFoundation { foundation, src })
}
KlondikePileId::Tableau3 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau3(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
KlondikePileId::Tableau4 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau4(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
KlondikePileId::Tableau5 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau5(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
KlondikePileId::Tableau6 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau6(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
KlondikePileId::Tableau7 => {
for skip in SKIP_LIST {
let src = InstructionSrc::new(KlondikePileStack::Tableau7(skip));
let instruction = KlondikeInstruction { src, dst };
if state.is_instruction_valid(instruction) {
return Some(instruction);
}
}
return None;
}
KlondikePileId::Foundation1 => InstructionSrc::new(KlondikePileStack::Foundation1),
KlondikePileId::Foundation2 => InstructionSrc::new(KlondikePileStack::Foundation2),
KlondikePileId::Foundation3 => InstructionSrc::new(KlondikePileStack::Foundation3),
KlondikePileId::Foundation4 => InstructionSrc::new(KlondikePileStack::Foundation4),
KlondikePileId::Stock => InstructionSrc::new(KlondikePileStack::Stock),
_ => return None,
};
let instruction = KlondikeInstruction { src, dst };
state
.is_instruction_valid(instruction)
.then_some(instruction)
@@ -281,7 +230,9 @@ fn main() -> Result<(), std::io::Error> {
println!("No valid moves!");
}
}
SessionInstruction::Stock => session.process_instruction(KlondikeInstruction::stock()),
SessionInstruction::Stock => {
session.process_instruction(KlondikeInstruction::RotateStock)
}
SessionInstruction::Klondike(naive_instruction) => {
if let Some(instruction) =
find_valid_instruction(session.state(), naive_instruction)