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asset⌬ modulemoduleprimary: init.luau·originates fromworld e8e8ad10-5…

index

local Roster = require("emberline.fighters.index")

byclaude-code @ aura·posted 2mo ago
What it does

emberline.fighters.index — the roster

local Roster = require("emberline.fighters.index")

Requiring this module is the registration. It builds MAG, KITE, BELL and THE WARDEN, checks every one of them against the invariants in emberline.fighters.framedata, and publishes them into Bus.registry.fighters keyed by id. Nothing else needs to happen — require it once, anywhere, and the registry is populated.

What a fighter def carries

Everything in Rules.FighterDef and Rules.MoveDef, plus the numbers those two types do not have room for. All fourteen slots in Rules.MOVE_SLOTS are filled for all four fighters.

Per fighter: walkSpeed walkBackSpeed dashSpeed dashFrames dashDistance backDashFrames backDashDistance backDashInvuln jumpArc jumpVelX weight reach health stunResist meterScale pushWidth crouchHeight throwRange crossStageFrames colors specials aiProfile ai select moves.

Per move: startup active recovery total whiffPunishWindow damage chip hitLevel hitstun blockstun onBlock onHit hitbox reach pushback blockPushback hitstop meterGain cancels desc, and where the move has them launch knockdown armor armorWindow invuln invulnKind advance projectile superFreeze meterCost fx sfx voice.

Speeds are world units per frame at 60 Hz. Distances are world units. Frame numbers are frames. meterGain is a fraction of Rules.METER_MAX.

The three things worth knowing before you use it

recovery and onBlock are the same number. A move is authored with its startup, its active frames, the stun it inflicts and the advantage it is meant to have on block; the recovery that pays for that advantage is derived. So onBlock is never a claim — it is arithmetic, and framedata.validate fails the build of any move where the two disagree.

reach scales a hitbox's WIDTH, not its position. A move's real reach is hitbox.x + hitbox.w * fighter.reach, already computed into move.reach. For a projectile, framedata.effectiveReach(move) adds everything the projectile covers before it expires — the spawn box is where the fireball starts, not how far the move reaches.

A move connects against a body d away when move.reach >= d - 0.40. Two fighters standing against each other have their origins framedata.POINT_BLANK (1.24) apart. framedata.connectsAt(move, d) is the call.

API

callgives you
Roster.get(id)one fighter def, or nil
Roster.byIdall four, keyed by id
Roster.selectable()the three on the select grid, in order
Roster.ladder(playerId)four rungs: opponent, stage, difficulty, isBoss, isMirror
Roster.audit(){ ok, failures, notes } — every tuning claim, re-checked
Roster.report()the whole roster's frame tables plus the audit, as text
Roster.punishMatrix(id, slot)who can punish that move on block, and with what
Roster.comboDamage(id, slots)combo damage with Rules.COMBO_SCALING applied
Roster.bestTouch(id)the biggest single non-super hit, and its slot
Roster.framedatathe module above, for connectsAt / punishOptions / links

Roster.audit() is the one to run after any tuning change. It is not a smoke test — it re-derives the design claims from the numbers, so if somebody makes a light safe-r than -3, or lets a heavy stop being punishable, or shortens Kite's fireball past being a poke, it says so by name.

The ladder

Roster.ladder("mag") returns four rungs: the two fighters you did not pick, then your own mirror, then the Warden — on platform, lantern, coaldeck and endofline, at difficulty 1, 2, 3 and 4.

The select screen

Every fighter carries a select table with order, name, fullName, subtitle, archetype, tagline, blurb, difficulty (1–5), bars (power/speed/range/technique/defence, each 1–5), quoteSelect, quoteWin, moveList (input notation, name, one line each), portraitClip, homeStage and playable. The Warden is in the table with playable = false.

The AI's half

Every fighter carries an ai table: profile, idealRange {min,max}, approach, antiAir (the move id to reversal a jump-in with), punish (move ids, cheapest first), poke, meterMove, throwAt, aggression and zoning. These are what let one brain play four characters correctly instead of walking all of them forward.

Seeing it

emberline.fighters.reachchart draws the roster's ranges on the fight plane at true scale — the same 0.02 units per pixel the fighters are drawn at.

local Chart = require("emberline.fighters.reachchart")
Chart.show(Roster.byId)   -- puts the card up
Chart.hide()              -- takes it down

It spawns nothing until you call it and touches only its own entity.

Interface

What this asset declares: the schema it conforms to, what it exposes, and the rendered structured payload.

conforms to

zero/source-extract/v2

strict

get(id: string) → F

argtypedescription
idstring

selectable( ) → void

ladder(playerId: string) → void

argtypedescription
playerIdstring

register( ) → number

Idempotent: re-requiring after a hot reload replaces the entries in place rather than stacking anything, and never touches another slice's registry.

punishMatrix(attackerId: string, slot: string) → void

Everything below answers a question about the roster with the roster's own numbers. `Roster.audit()` is the one to run: it returns ok=false and a list of failures if any tuning claim stops being true. Every fighter's punish options against one blocked move.

argtypedescription
attackerIdstring
slotstring

comboDamage(fighterId: string, slots: { string }) → number

Damage of a combo, with Rules.COMBO_SCALING applied in order.

argtypedescription
fighterIdstring
slots{ string }

bestTouch(fighterId: string) → void

The biggest single uninterrupted touch a fighter has, and what it is.

argtypedescription
fighterIdstring

audit( ) → void

need(cond: boolean, fmt: string, ...: any) → void

argtypedescription
condboolean
fmtstring
...any

note(fmt: string, ...: any) → void

argtypedescription
fmtstring
...any

report( ) → string

A readable dump of the whole roster, for a console read.

⌬ Types
Rung = {

Sub-parts

Everything contained inside this part. Assets are composite children (clickable cards). Files are leaf payloads. Expand any row to view its source.

31items
Assets7Files24
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bell
module · born here
❒asset
# BELL — GRAPPLER > One grab and the round is over. Slowest walk, biggest touch. Two hits of armour and a 210-damage command grab. Health **1100** · walk **0.028**/frame (279 frames to cross the visible stage) · dash **1.80** units in 22 · jump arc **1.70** · weight **1.30** · reach **x1.02** · meter gain **x0.80** ## Frame data ``` ── BELL (GRAPPLER) ── health 1100 · walk 0.028 · reach x1.02 · weight 1.30 slot s/a/r dmg lvl blk hit reach desc lightS 6/ 3/12 42 high -1 +11 1.03 Gauntlet Jab mediumS 10/ 4/19 88 high -6 +4 1.28 Iron Backhand heavyS 16/ 5/30 148 high -14 +2 1.44 Gauntlet Drop lightC 6/ 3/12 36 low -2 +9 0.97 Low Gauntlet mediumC 9/ 4/19 78 low -7 +2 1.26 Coal Shovel heavyC 13/ 5/30 110 low -17 -2 1.46 Furnace Sweep lightA 6/ 6/ 5 42 overhead +3 +12 0.97 Air Gauntlet mediumA 8/ 7/ 7 82 overhead +2 +13 1.18 Shoulder Press heavyA 11/ 9/ 9 124 overhead +1 +17 1.30 Anvil Drop throw 4/ 2/24 190 unblockable +0 +0 0.96 Furnace Hug special1 18/ 4/23 95 high -8 +0 9.27* SLAG TOSS special2 8/ 9/28 140 high -19 -2 1.12 ANVIL RISE special3 14/ 6/26 210 unblockable +0 +0 1.06 BOILER CHARGE super 8/12/43 400 high -30 -4 1.58 BLASTFURNACE * reach includes the projectile's whole travel ``` `s/a/r` is startup / active / recovery. `blk` and `hit` are frame advantage in frames. `reach` is world units from this fighter's own origin; a move needs **0.84** to work at point blank, where two origins sit 1.24 apart. ## Specials **SLAG TOSS** — 236+A. A slow, heavy arc of molten slag — 0.055 a frame, alive for 8.25 units. It moves at twice his walk speed, which is exactly slow enough that he can walk in behind it. 18f startup: throwing it is a commitment. **ANVIL RISE** — 623+A. An armoured uppercut: it EATS one hit on the way up (frames 1-8) instead of avoiding it. 8f, so it loses to a true meaty — and -19 blocked. **BOILER CHARGE** — [4]6+A. An armoured run into a command grab — 3.4 units of travel, TWO hits of armour on the way, and no block stops the end of it. 210 damage. This is the move the whole character is a delivery system for. Jump it, or hit it three times. **BLASTFURNACE** — 236236+HEAVY. He opens his chest plate. 400 damage — the biggest number in the game — with a hit of armour on startup, so it goes through the jab you were going to stop him with. ## On the select screen *Bell Oduya* — THE FURNACE STOKER Built like the door of a furnace, in a scorched leather harness and iron gauntlets, one shoulder permanently glowing. Walks slower than anyone in Kessai. Does not care. He only needs to reach you once. Difficulty 3/5 · power 5 · speed 1 · range 3 · technique 2 · defence 5 Registered by `require("emberline.fighters.index")`.
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bus
module · born here
❒asset
# bus <!-- zero:scaffolded-readme --> <!-- Replace the line below with what this module provides and who consumes it, then delete both comment lines. --> TODO: describe this module.
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mag
module · born here
❒asset
# MAG — ALL-ROUNDER > Something for every range. The yardstick. Every other fighter's numbers are a deliberate departure from hers. Health **1000** · walk **0.042**/frame (186 frames to cross the visible stage) · dash **2.07** units in 18 · jump arc **2.40** · weight **1.00** · reach **x1.00** · meter gain **x1.00** ## Frame data ``` ── MAG (ALL-ROUNDER) ── health 1000 · walk 0.042 · reach x1.00 · weight 1.00 slot s/a/r dmg lvl blk hit reach desc lightS 5/ 3/ 9 34 high +1 +9 0.94 Spanner Jab mediumS 8/ 4/17 72 high -5 +4 1.20 Wrench Hook heavyS 13/ 5/26 118 high -12 +4 1.40 Cable Swing lightC 5/ 3/ 9 28 low +0 +9 0.90 Low Jab mediumC 8/ 4/17 64 low -6 +3 1.20 Boot Scrape heavyC 11/ 4/28 92 low -15 -1 1.42 Rail Sweep lightA 5/ 6/ 3 32 overhead +4 +12 0.92 Air Jab mediumA 7/ 7/ 5 68 overhead +3 +13 1.14 Air Kick heavyA 9/ 8/ 8 104 overhead +2 +15 1.26 Diving Elbow throw 4/ 2/22 140 unblockable +0 +0 0.90 Cable Cinch special1 13/ 4/19 80 high -6 +0 13.62* CINDERBOLT special2 4/12/29 130 high -24 -6 0.96 UPDRAFT special3 11/ 8/17 96 high -9 +2 1.35 RAILRUSH super 6/10/41 340 high -28 -4 1.50 OVERDRIVE * reach includes the projectile's whole travel ``` `s/a/r` is startup / active / recovery. `blk` and `hit` are frame advantage in frames. `reach` is world units from this fighter's own origin; a move needs **0.84** to work at point blank, where two origins sit 1.24 apart. ## Specials **CINDERBOLT** — 236+A. A fistful of furnace-light thrown flat — 12.6 units, the whole screen. 13f, and -6 if you throw it in someone's face. **UPDRAFT** — 623+A. A rising uppercut trailing sparks. Invulnerable frames 1-5, so it answers a jump-in on reaction — and -24 blocked, so a wrong one loses the round. **RAILRUSH** — [4]6+A. Shoulder-first slide down the rail, 2.4 units of travel. -9, but the block pushes you 0.42 out — only a long arm punishes it. **OVERDRIVE** — 236236+HEAVY. She opens the cable and dumps the whole charge into one punch. Invulnerable 1-8 — it goes through a fireball. ## On the select screen *Magritte Voll* — THE RAIL ENGINEER A rail engineer's daughter in a scorched ember-red coat, welding goggles pushed up on her forehead and a length of hot cable at her hip. She fights clean and honest. If you do not know what to do, she has a button for it. Difficulty 2/5 · power 3 · speed 3 · range 3 · technique 3 · defence 4 Registered by `require("emberline.fighters.index")`.
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warden
module · born here
❒asset
# THE WARDEN — ZONER — BOSS > The Ember has never left Kessai. Reach x1.34. His standing heavy covers more ground than Kite's super. Not selectable. Health **1200** · walk **0.038**/frame (206 frames to cross the visible stage) · dash **1.96** units in 20 · jump arc **2.20** · weight **1.20** · reach **x1.34** · meter gain **x1.00** ## Frame data ``` ── THE WARDEN (ZONER — BOSS) ── health 1200 · walk 0.038 · reach x1.34 · weight 1.20 slot s/a/r dmg lvl blk hit reach desc lightS 7/ 3/12 38 high -1 +10 1.32 Baton Check mediumS 10/ 4/17 80 high -4 +6 1.63 Lantern Sweep heavyS 15/ 6/25 130 high -11 +4 1.99 Chain Arc lightC 7/ 3/12 32 low -2 +9 1.26 Low Baton mediumC 9/ 4/17 70 low -5 +3 1.62 Coat Kick heavyC 12/ 5/29 104 low -16 -1 1.96 Rail Sweep lightA 6/ 6/ 4 36 overhead +3 +11 1.23 Air Baton mediumA 8/ 7/ 7 76 overhead +2 +12 1.51 Coat Sweep heavyA 10/ 8/ 9 112 overhead +1 +16 1.69 Lantern Swing throw 5/ 2/22 150 unblockable +0 +0 1.03 Detain special1 16/ 5/21 90 high -7 +1 19.34* SIGNAL LANCE special2 10/ 8/26 125 overhead -16 -1 1.41 LANTERNFALL special3 16/10/16 120 high -9 +5 1.74 LAST TRAIN super 7/14/45 420 high -32 -4 2.24 END OF LINE * reach includes the projectile's whole travel ``` `s/a/r` is startup / active / recovery. `blk` and `hit` are frame advantage in frames. `reach` is world units from this fighter's own origin; a move needs **0.84** to work at point blank, where two origins sit 1.24 apart. ## Specials **SIGNAL LANCE** — 236+A. A lance of green signal-light at 0.30 a frame for 60 frames — 18 units, longer than the stage. It crosses the WHOLE screen, and it gets there almost three times faster than Mag's. **LANTERNFALL** — 623+A. The lantern comes down on an arc OVER his head — the box starts behind him and ends 1.41 in front, so it covers a cross-up as well as a jump-in. It is an OVERHEAD: crouch-blocking it does nothing. -16 if you stand up and take it. **LAST TRAIN** — [4]6+A. He simply walks through you: 3.8 units of advance with TWO hits of armour for the first 24 frames, so the poke you throw at it does not stop it. 16f startup is the tell, and -9 is the bill if you block it. **END OF LINE** — 236236+HEAVY. The lantern goes out. 420 damage across 2.24 units of reach, invulnerable for twelve frames. If you are on the screen, you are in it. ## On the select screen *The Warden* — TERMINUS, ELEVEN YEARS Station warden of the terminus, in a greatcoat down to the rail and a signal lantern swinging on a chain from his left hand. He never hurries and never speaks above conversational volume. His reach is not something you out-poke. It is something you solve. Difficulty 5/5 · power 4 · speed 2 · range 5 · technique 4 · defence 5 Registered by `require("emberline.fighters.index")`.
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framedata
module · born here
❒asset
# emberline.fighters.framedata The arithmetic every fighter's numbers obey, and the checker that holds them to it. The roster modules call `F.build(spec)`; everyone else calls the range and punish helpers. ## The identity A move connects on its first active frame. The attacker is then busy for `(active - 1) + recovery` frames and the defender for `blockstun`, so ``` onBlock = blockstun - (active - 1) - recovery onHit = onBlock + (hitstun - blockstun) ``` A move is authored with the advantage it is *meant* to have and the recovery is solved for. That is why no move in this game can claim frame advantage its frames do not give — and why `validate` refuses a move whose derived recovery comes out under three frames, which is the sign that the authored advantage was not payable at that active/blockstun pair. Unblockable moves (throws, Bell's command grab) have no block advantage to solve for, so they write `recovery` directly. ## Reach ``` move.reach = hitbox.x + hitbox.w * fighter.reach effectiveReach(m) = move.reach + projectile.speed * projectile.life connectsAt(m, d) = effectiveReach(m) >= d - HURT_HALF ``` `HURT_HALF` is 0.40 — a standing body's hurtbox half-width. `POINT_BLANK` is `Rules.PUSH_WIDTH * 2` = 1.24, the distance between two origins when the push boxes touch. A move needs 0.84 of reach to work at point blank. The `reach` multiplier scales a hitbox's **width**, not its offset: a long-armed fighter's arm is longer, their shoulder is not further forward. ## Calls | call | gives you | |---|---| | `F.build(spec)` | a finished fighter from a compact spec | | `F.move(slot, reachMul, raw)` | one finished move | | `F.validate(fighter)` | a list of problems; empty means the numbers hold | | `F.connectsAt(move, distance)` | does it touch a body that far away | | `F.maxRange(move)` | the furthest apart two origins may be | | `F.effectiveReach(move)` | reach including a projectile's travel | | `F.punishOptions(defender, blocked)` | every move that punishes it at point blank | | `F.links(first, second)` | does `first` leave enough on hit to link into `second` | | `F.frameTable(fighter)` | one fighter's numbers as readable text | `punishOptions` is honest about distance: it takes the blocked move's `blockPushback` into account, so a move that is minus on paper but shoves you out of range comes back with nothing. That is a real property of several of these specials and it is meant to be. ## What validate enforces Every slot in `Rules.MOVE_SLOTS` present · hit levels in `Rules.HIT_LEVELS` · clips in `Rules.CLIPS` · recovery payable · positive damage and a non-empty hitbox · `onBlock` equal to its own frames · cancel targets known · every move able to connect at point blank · lights never worse than −3 on block · a light that links into a medium, standing and crouching · a medium that cancels into a special · `special1` carrying a projectile · a super costing a full meter.
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rules
module · born here
❒asset
# rules <!-- zero:scaffolded-readme --> <!-- Replace the line below with what this module provides and who consumes it, then delete both comment lines. --> TODO: describe this module.
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kite
module · born here
❒asset
# KITE — RUSHDOWN > Get inside. Stay there. Fastest walk, shortest arms. She has no neutral — she has an approach. Health **950** · walk **0.058**/frame (135 frames to cross the visible stage) · dash **2.40** units in 16 · jump arc **3.20** · weight **0.85** · reach **x0.80** · meter gain **x1.25** ## Frame data ``` ── KITE (RUSHDOWN) ── health 950 · walk 0.058 · reach x0.80 · weight 0.85 slot s/a/r dmg lvl blk hit reach desc lightS 4/ 3/ 8 26 high +2 +10 0.87 Elbow mediumS 6/ 3/15 55 high -3 +5 0.91 Scarf Whip heavyS 10/ 4/21 90 high -8 +6 1.04 Harness Swing lightC 4/ 3/ 8 22 low +1 +8 0.86 Toe Poke mediumC 6/ 3/15 48 low -4 +3 0.92 Boot Sweep heavyC 9/ 4/23 74 low -11 +2 1.12 Slide Sweep lightA 4/ 6/ 3 26 overhead +4 +12 0.88 Air Elbow mediumA 6/ 7/ 4 52 overhead +4 +12 0.94 Scarf Cut heavyA 8/ 7/ 7 84 overhead +3 +15 0.96 Harness Drop throw 3/ 2/20 110 unblockable +0 +0 0.87 Harness Drag special1 10/ 3/16 55 low -4 +2 5.99* SPARKFLARE special2 5/10/26 105 high -20 -5 0.92 SKYHOOK special3 9/10/11 70 low -7 +4 1.08 TRAMLINE super 5/14/29 300 high -22 +2 1.06 ZIPLINE ASSAULT * reach includes the projectile's whole travel ``` `s/a/r` is startup / active / recovery. `blk` and `hit` are frame advantage in frames. `reach` is world units from this fighter's own origin; a move needs **0.84** to work at point blank, where two origins sit 1.24 apart. ## Specials **SPARKFLARE** — 236+A. A fast, low, short-lived flare — 0.20 a frame, dead after 5.2 units. Not a wall: a poke that must be blocked LOW, thrown from just outside her own arms. **SKYHOOK** — 623+A. She throws the cable up and follows it. Her anti-air — invulnerable 1-4, one frame short of Mag's, so she trades where Mag wins clean. **TRAMLINE** — [4]6+A. A low slide that travels 3.1 units and goes UNDER projectiles from frame 6 to 19. This is how she gets through a fireball she cannot out-range. **ZIPLINE ASSAULT** — 236236+HEAVY. The hook catches and she crosses the whole stage through you — 6.5 units of travel, invulnerable 1-10. The one time all game that her range is not the problem. ## On the select screen *Kite* — THE ROOFTOP COURIER Seventeen, all elbows, a hauling harness and a scarf that never stops moving. Fastest walk in the game and the shortest arms in the game. She has to be inside you — and if you push her out, she has to earn her way back in. Difficulty 4/5 · power 2 · speed 5 · range 1 · technique 4 · defence 2 Registered by `require("emberline.fighters.index")`.
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backing path · emberline/fighters/index.module

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