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"rand 0.9.2", - "rand_pcg", - "rand_seeder", ] -[[package]] -name = "libc" -version = "0.2.175" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6a82ae493e598baaea5209805c49bbf2ea7de956d50d7da0da1164f9c6d28543" - [[package]] name = "num-traits" version = "0.2.19" @@ -113,7 +86,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3c80231409c20246a13fddb31776fb942c38553c51e871f8cbd687a4cfb5843d" dependencies = [ "phf_shared", - "rand 0.8.5", + "rand", ] [[package]] @@ -138,15 +111,6 @@ dependencies = [ "siphasher", ] -[[package]] -name = "ppv-lite86" -version = "0.2.21" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9" -dependencies = [ - "zerocopy", -] - [[package]] name = "proc-macro2" version = "1.0.101" @@ -165,39 +129,13 @@ dependencies = [ "proc-macro2", ] -[[package]] -name = "r-efi" -version = "5.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f" - 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"getrandom", -] - -[[package]] -name = "rand_pcg" -version = "0.9.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b48ac3f7ffaab7fac4d2376632268aa5f89abdb55f7ebf8f4d11fffccb2320f7" -dependencies = [ - "rand_core 0.9.3", -] - -[[package]] -name = "rand_seeder" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "502927fdfc3c9645d53e0c95bb2d53783b5a15bfeaeeb96f7703c21fbb76841e" -dependencies = [ - "rand_core 0.9.3", -] - [[package]] name = "siphasher" version = "1.0.1" @@ -255,38 +166,3 @@ name = "unicode-ident" version = "1.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512" - -[[package]] -name = "wasi" -version = "0.14.3+wasi-0.2.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6a51ae83037bdd272a9e28ce236db8c07016dd0d50c27038b3f407533c030c95" -dependencies = [ - "wit-bindgen", -] - -[[package]] -name = "wit-bindgen" -version = "0.45.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "052283831dbae3d879dc7f51f3d92703a316ca49f91540417d38591826127814" - -[[package]] -name = "zerocopy" -version = "0.8.26" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1039dd0d3c310cf05de012d8a39ff557cb0d23087fd44cad61df08fc31907a2f" -dependencies = [ - "zerocopy-derive", -] - -[[package]] -name = "zerocopy-derive" -version = "0.8.26" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9ecf5b4cc5364572d7f4c329661bcc82724222973f2cab6f050a4e5c22f75181" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] diff --git a/Cargo.toml b/Cargo.toml index e8d44d7..f190e15 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -5,8 +5,5 @@ edition = "2024" [dependencies] palette = "0.7" -rand = "0.9.2" -rand_pcg = "0.9.0" -rand_seeder = "0.4.0" [workspace] diff --git a/src/main.rs b/src/main.rs index d302c5e..fc41c56 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,14 +1,11 @@ use palette::{IntoColor, OklabHue, Oklch, Srgb}; -use rand::seq::SliceRandom as _; -use rand_pcg::Pcg64; -use rand_seeder::Seeder; use std::{ - collections::{BinaryHeap, HashMap, HashSet}, + collections::{BinaryHeap, HashMap, HashSet, VecDeque}, fmt::Display, hash::{DefaultHasher, Hash, Hasher}, io::{self, Write, stdin, stdout}, iter, - num::NonZero, + num::{self, NonZero}, ops::ControlFlow, }; @@ -30,7 +27,7 @@ impl Display for Ring { let num = self.0.get() - 1; for _ in 0..num { - initial_hue += 65.0; + initial_hue += 80.0; initial_chroma += 0.8; if initial_chroma > 1.0 { initial_chroma -= 1.0; @@ -63,6 +60,12 @@ pub struct Tower { pub rings: [Option; TOWER_HEIGHT], } +macro_rules! tower { + ($($rings: literal),*) => { + Tower::new(&[$(Ring(std::num::NonZero::new($rings).unwrap())),*]) + }; +} + impl Tower { const EMPTY: Self = Self { rings: [None; TOWER_HEIGHT], @@ -71,7 +74,7 @@ impl Tower { pub fn new(rings: &[Ring]) -> Self { let mut tower = Self::EMPTY; - for (src, dst) in rings.iter().zip(&mut tower.rings) { + for (src, dst) in rings.into_iter().zip(&mut tower.rings) { *dst = Some(*src); } @@ -84,19 +87,22 @@ impl Tower { let mut max_same_ring_type_score = 0; let mut burried_score = 0; - for ring in self.rings.iter().rev().flatten() { - if let Some(existing_ring_type) = ring_type { - if existing_ring_type == *ring { - same_ring_type_score += 2; + for i in self.rings.iter().rev() { + if let Some(ring) = i { + if let Some(existing_ring_type) = ring_type { + if existing_ring_type == *ring { + same_ring_type_score += 2; + } else { + max_same_ring_type_score = + max_same_ring_type_score.max(same_ring_type_score); + burried_score += 2usize.pow(max_same_ring_type_score); + same_ring_type_score = 0; + ring_type = Some(*ring); + } } else { - max_same_ring_type_score = max_same_ring_type_score.max(same_ring_type_score); - burried_score += 2usize.pow(max_same_ring_type_score); same_ring_type_score = 0; ring_type = Some(*ring); } - } else { - same_ring_type_score = 0; - ring_type = Some(*ring); } } @@ -200,16 +206,18 @@ impl Tower { let mut ring_type = None; let mut count = 0; - for ring in self.rings.iter().flatten() { - if let Some(existing_ring_type) = ring_type { - if existing_ring_type == *ring { - count += 1; + for i in &self.rings { + if let Some(ring) = i { + if let Some(existing_ring_type) = ring_type { + if existing_ring_type == *ring { + count += 1; + } else { + return None; + } } else { - return None; + count = 1; + ring_type = Some(*ring); } - } else { - count = 1; - ring_type = Some(*ring); } } @@ -248,12 +256,14 @@ impl Game { let mut ring_sets = HashMap::new(); for t in &towers { t.check(); - for r in t.rings.iter().flatten() { - *ring_sets.entry(*r).or_insert(0) += 1; + for r in &t.rings { + if let Some(r) = r { + *ring_sets.entry(*r).or_insert(0) += 1; + } } } - for ring in ring_sets.keys() { + for (ring, _num) in &ring_sets { // ok as long as the goal isn't sets of 4 but single-ringtype towers // if num != TOWER_HEIGHT { // panic!("incomplete ring set: expected {TOWER_HEIGHT} of {ring} but found {num}"); @@ -322,14 +332,9 @@ impl Game { hasher.finish() }; - #[derive(PartialEq)] + #[derive(PartialEq, PartialOrd)] struct Ordf32(f32); impl Eq for Ordf32 {} - impl PartialOrd for Ordf32 { - fn partial_cmp(&self, other: &Self) -> Option { - Some(self.cmp(other)) - } - } impl Ord for Ordf32 { fn cmp(&self, other: &Self) -> std::cmp::Ordering { self.0.total_cmp(&other.0) @@ -468,8 +473,8 @@ impl Game { } fn ask_tower(&self, msg: &str) -> io::Result { + let mut res = String::new(); loop { - let mut res = String::new(); print!("{msg} (enter a tower number, exit, clear or undo):"); stdout().flush()?; stdin().read_line(&mut res)?; @@ -646,16 +651,15 @@ pub struct GameGenerator { } impl GameGenerator { - pub fn generate(self, rng: &mut Pcg64) -> Game { + pub fn generate(self) -> Game { let mut towers = Vec::new(); - let mut rings = Vec::new(); + let mut rings = HashSet::new(); for ring_type in 0..self.num_ring_types { for idx in 0..TOWER_HEIGHT { - rings.push((Ring(NonZero::new(ring_type + 1).unwrap()), idx)); + rings.insert((Ring(NonZero::new(ring_type + 1).unwrap()), idx)); } } - rings.shuffle(rng); let rings = rings.into_iter().map(|(i, _)| i).collect::>(); @@ -670,13 +674,9 @@ impl GameGenerator { Game::new(towers) } - pub fn highest_burried_score( - self, - seed: &str, - ) -> Game { - let mut rng: Pcg64 = Seeder::from(seed).into_rng(); + pub fn highest_burried_score(self) -> Game { iter::repeat(self) - .map(|i| i.generate(&mut rng)) + .map(|i| i.generate()) .take(100) .max_by_key(|i| i.burried_ring_score()) .unwrap() @@ -749,22 +749,12 @@ impl UndoStack { } } -impl Default for UndoStack { - fn default() -> Self { - Self::new() - } -} - fn main() -> io::Result<()> { - eprint!("seed> "); - let mut seed = String::new(); - stdin().read_line(&mut seed).unwrap(); - let mut g = GameGenerator { num_extra_towers: 2, num_ring_types: 13, } - .highest_burried_score::<4>(&seed); + .highest_burried_score::<4>(); if let Some(solution) = g.solve() { let mut g = Game { @@ -794,12 +784,6 @@ fn main() -> io::Result<()> { mod tests { use crate::{Game, Move, Ring, Tower}; - macro_rules! tower { - ($($rings: literal),*) => { - Tower::new(&[$(Ring(std::num::NonZero::new($rings).unwrap())),*]) - }; - } - #[test] fn test_moves() { let mut g = Game::<4>::new(vec![tower![1, 2, 1, 2], Tower::EMPTY, Tower::EMPTY]);