funman300
788ac9f65a
Phase 6 part 4b (partial): - GameMode::Challenge variant in solitaire_core. undo() returns RuleViolation when mode is Challenge so the player commits to each decision. - solitaire_data::challenge defines a stable CHALLENGE_SEEDS list with challenge_seed_for(index) wrapping modulo length. - PlayerProgress.challenge_index (serde-default for older saves) tracks how far the player has progressed. - ChallengePlugin advances the cursor on Challenge-mode wins, persists, and emits ChallengeAdvancedEvent. Pressing X starts a Challenge-mode game with the current seed; gated to level >= CHALLENGE_UNLOCK_LEVEL (5). - InputPlugin's Z key (Zen mode) is now also gated to level >= 5. Time Attack and unlock UI still deferred. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
74 lines
2.2 KiB
Rust
74 lines
2.2 KiB
Rust
//! Static seed list for Challenge mode + helpers.
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//!
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//! Challenge mode walks a fixed sequence of hard-but-winnable seeds. The
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//! player advances by winning a deal in `GameMode::Challenge`. The
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//! `challenge_index` cursor is stored per-player in `PlayerProgress`.
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//!
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//! Seeds wrap modulo `CHALLENGE_SEEDS.len()` so a sufficiently dedicated
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//! player never runs out of challenges.
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/// Curated Challenge-mode seeds. Order is stable across versions; add new
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/// seeds at the end.
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pub const CHALLENGE_SEEDS: &[u64] = &[
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0xDEAD_BEEF_CAFE_F00D,
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0xC0DE_FACE_8BAD_F00D,
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0xFEE1_DEAD_DEAD_BEEF,
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0xBAAD_F00D_BAAD_F00D,
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0x1337_C0DE_4242_BABE,
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];
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/// Resolve a `challenge_index` to its corresponding seed, wrapping when
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/// the index exceeds the seed-list length. Returns `None` if the seed list
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/// is empty (defensive — `CHALLENGE_SEEDS` is non-empty by construction).
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pub fn challenge_seed_for(index: u32) -> Option<u64> {
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if CHALLENGE_SEEDS.is_empty() {
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return None;
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}
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Some(CHALLENGE_SEEDS[(index as usize) % CHALLENGE_SEEDS.len()])
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}
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/// Total number of currently-defined challenges. Useful for displaying
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/// "Challenge {n + 1} of {total}" in UI.
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pub fn challenge_count() -> u32 {
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CHALLENGE_SEEDS.len() as u32
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn challenge_seed_for_0_is_first_seed() {
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assert_eq!(challenge_seed_for(0), Some(CHALLENGE_SEEDS[0]));
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}
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#[test]
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fn challenge_seed_wraps_past_end() {
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let len = CHALLENGE_SEEDS.len() as u32;
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assert_eq!(
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challenge_seed_for(len),
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Some(CHALLENGE_SEEDS[0]),
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"wraps to seed 0 when index == len"
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);
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assert_eq!(
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challenge_seed_for(len + 2),
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Some(CHALLENGE_SEEDS[2]),
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"wraps modulo len"
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);
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}
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#[test]
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fn all_challenge_seeds_are_unique() {
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let mut seeds: Vec<u64> = CHALLENGE_SEEDS.to_vec();
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seeds.sort();
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let len_before = seeds.len();
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seeds.dedup();
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assert_eq!(seeds.len(), len_before);
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}
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#[test]
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fn challenge_count_matches_seed_list_length() {
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assert_eq!(challenge_count() as usize, CHALLENGE_SEEDS.len());
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}
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}
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