Make the opponent level matter in the cup

src/gameplay.js

@@ -1,6 +1,6 @@
 // Game logic: ballistics, swings, serves, rules/scoring, AI, and the per-frame update.
 
-import { TUNE, UI, bossArt, APPLAUSE_T, EATEN_BURST, EATEN_SUMMARY, COURT, CONTACT, VOLLEY, ZONE_DEPTH, HOME, P_BOUNDS, TOSS, SHOT_DEPTH, POSE_TIME, BOUNCE_IDLE, zombieH, Z_CHEST , WEAPONS, RACK_MAX , BARREL_WEAPONS, racketStage, matchWound, LADDER, LEAGUES, leagueOfRung, TIN_LEAGUE, TIN_DOUBLE_LEAGUE } from './config.js';
+import { TUNE, UI, bossArt, APPLAUSE_T, EATEN_BURST, EATEN_SUMMARY, COURT, CONTACT, VOLLEY, ZONE_DEPTH, HOME, P_BOUNDS, TOSS, SHOT_DEPTH, POSE_TIME, BOUNCE_IDLE, zombieH, Z_CHEST , WEAPONS, RACK_MAX , BARREL_WEAPONS, racketStage, matchWound, LADDER, LEAGUES, leagueOfRung, foeLevel, TIN_LEAGUE, TIN_DOUBLE_LEAGUE } from './config.js';
 import { P, O, ball, score, crowd, G, court, tour, other, deuceSide, setupPoint, sendBoy, resetState } from './state.js';
 import { audio, pock, swish, whoosh, applause, voice, voiceSeq, sfx, aww, zombieMusic, zombieDuck, menuDuck, splat, shriek, boom } from './audio.js';
 import { haptic } from './haptics.js';
@@ -8,7 +8,7 @@ import { axisX, axisZ, takeFlickAim, touchPX, resetInput } from './input.js';
 import { W } from './render.js'; // runtime-only cycle (render imports gameplay), same pattern as input/zombies
 import { updateDrill } from './drill.js';
 import { endRun, beginRun, MODE_CLASSIC } from './stats.js';
-import { award, beginRunXp, prof, bonus } from './profile.js';
+import { award, beginRunXp, prof, bonus, levelAt } from './profile.js';
 import { updateZombies, updateParts, spawnZombie, spawnRacketZombie, spawnMachine, spawnChapterBoss, zombies, gore, explode, meleeSwipe, extras, parts, pellets, shots, playerGore, eatenBleed, resetZombies , firePellet , spawnBarrel , fireBeam , pops, popText } from './zombies.js';
 import { proceedAfterClear, startDuel, startHorde, warnHorde, resolveInterlude, watchdog, updateBench, benchKey, tickMatchFall, placeReceiver } from './beats.js'; // runtime-only cycle: beats calls back into cheer/aside/endBurst/deliverTin/showModal/logSwing
 import { netSendShot, netSendToss, netTick, netJudging, netSendPoint, netSendFault, netClose } from './net.js'; // runtime-only cycle: net calls back into pointTo/fault/tossBall/showModal
@@ -1319,8 +1319,13 @@ export const rallyFeel = () => !!(G.match || G.classic);
 // with the level — LEAGUE modes only (the climb, the cup, the training court). Classic keeps its
 // own difficulty picker, netplay is a fair human match, gore is untouched (its trio lives in
 // profile.bonus too, read elsewhere). Level 1 is factor 1: the shipped baseline is the floor.
-export const legLevel = () => G.match && !G.net ? bonus().run : 1;
-export const winLevel = () => G.match && !G.net ? bonus().window : 1;
+// THE PEER GIFT turns the walk-on's displayed level into a real promise. It exists only in the
+// canonical cup and its exact training rep: arcade remains a stable whole-club challenge. Fifteen
+// levels down is today's wall, parity gets the full gift, and being underlevelled is never a malus.
+export const peerK = () => G.match && !G.net && (G.match.cup || G.match.train)
+  ? Math.max(0, Math.min(1, 1 - (foeLevel(G.match.opp) - levelAt(prof.xp)) / TUNE.peerGap)) : 0;
+export const legLevel = () => G.match && !G.net ? bonus().run * (1 + TUNE.peerRun * peerK()) : 1;
+export const winLevel = () => G.match && !G.net ? bonus().window * (1 + TUNE.peerWindow * peerK()) : 1;
 // legLevel rides INSIDE assistK, so the mover's legs and intercept's reachability can never
 // disagree about what those legs can get to (the rzChaseSpeed rule, player-side).
 export const assistK = () => (rallyFeel() ? Math.max(TUNE.autoAssist, TUNE.matchAssist) : TUNE.autoAssist)