feat: stat parity

.vscode/settings.json

@@ -33,6 +33,7 @@
     "deburr",
     "decalmask",
     "defence",
+    "degressive",
     "diacriticless",
     "donotremove",
     "drei",

src/app/tools/tankopedia/[id]/components/Characteristics/components/Miscellaneous.tsx

@@ -14,25 +14,25 @@ export function Miscellaneous() {
   const cooldownBooster = useTankopediaTemporary(
     (state) => state.cooldownBooster,
   );
-  const crew = useTankopediaTemporary((state) => state.crew);
+  const crewMastery = useTankopediaTemporary((state) => state.crewMastery);
   const crewInput = useRef<HTMLInputElement>(null);
-  const [crewDraft, setCrewDraft] = useState(crew);
+  const [crewMasteryDraft, setCrewMasteryDraft] = useState(crewMastery);
 
   const debouncedApplyDraft = useMemo(
     () =>
       debounce((value) => {
         mutateTankopediaTemporary((draft) => {
-          draft.crew = value;
+          draft.crewMastery = value;
         });
       }, 500),
     [],
   );
 
   useEffect(() => {
-    setCrewDraft(crew);
+    setCrewMasteryDraft(crewMastery);
     if (!crewInput.current) return;
-    crewInput.current.value = `${Math.round(crew * 100)}`;
-  }, [crew]);
+    crewInput.current.value = `${Math.round(crewMastery * 100)}`;
+  }, [crewMastery]);
 
   return (
     <ConfigurationChildWrapper>
@@ -91,18 +91,18 @@ export function Miscellaneous() {
             <TextField.Slot>Crew</TextField.Slot>
             <TextField.Input
               ref={crewInput}
-              defaultValue={Math.round(crew * 100)}
+              defaultValue={Math.round(crewMastery * 100)}
               style={{ textAlign: 'right' }}
               onBlur={() => {
                 const newValue = Number(crewInput.current!.value) / 100;
 
                 if (isNaN(newValue)) {
-                  crewInput.current!.value = `${Math.round(crew * 100)}`;
+                  crewInput.current!.value = `${Math.round(crewMastery * 100)}`;
                   return;
                 }
 
                 mutateTankopediaTemporary((draft) => {
-                  draft.crew = clamp(newValue / 100, 0.5, 1);
+                  draft.crewMastery = clamp(newValue / 100, 0.5, 1);
                 });
               }}
               onKeyUp={(event) => {
@@ -117,10 +117,10 @@ export function Miscellaneous() {
           <Slider
             min={50}
             max={100}
-            value={[crewDraft * 100]}
+            value={[crewMasteryDraft * 100]}
             style={{ width: '100%' }}
             onValueChange={([value]) => {
-              setCrewDraft(value / 100);
+              setCrewMasteryDraft(value / 100);
               debouncedApplyDraft(value / 100);
             }}
           />

src/app/tools/tankopedia/[id]/components/Characteristics/index.tsx

@@ -6,8 +6,10 @@ import { lerp } from 'three/src/math/MathUtils';
 import { isExplosive } from '../../../../../../core/blitz/isExplosive';
 import { resolveNearPenetration } from '../../../../../../core/blitz/resolveNearPenetration';
 import { coefficient } from '../../../../../../core/blitzkrieg/coefficient';
+import { degressiveStat } from '../../../../../../core/blitzkrieg/degressiveStat';
 import { modelDefinitions } from '../../../../../../core/blitzkrieg/modelDefinitions';
 import { normalizeBoundingBox } from '../../../../../../core/blitzkrieg/normalizeBoundingBox';
+import { progressiveStat } from '../../../../../../core/blitzkrieg/progressiveStat';
 import { resolveDpm } from '../../../../../../core/blitzkrieg/resolveDpm';
 import { sum } from '../../../../../../core/blitzkrieg/sum';
 import {
@@ -29,7 +31,15 @@ export function Characteristics() {
   const { tank, turret, gun, engine, track, shell } = useDuel(
     (state) => state.protagonist!,
   );
-  const crew = useTankopediaTemporary((state) => state.crew);
+  const provisions = useProvisions();
+  const crewMastery = useTankopediaTemporary((state) => state.crewMastery);
+  const provisionCrewBonus = provisions.reduce(
+    (total, provision) =>
+      provision.crew ? total + provision.crew / 100 : total,
+    0,
+  );
+  const commanderMastery = crewMastery + provisionCrewBonus;
+  const crewMemberMastery = commanderMastery * 1.1;
   const stockEngine = tank.engines[0];
   const stockTrack = tank.tracks[0];
   const stockTurret = tank.turrets[0];
@@ -53,7 +63,6 @@ export function Characteristics() {
     stockTurret.weight +
     stockGun.weight;
   const [penetrationDistance, setPenetrationDistance] = useState(250);
-  const provisions = useProvisions();
   const camouflage = useTankopediaTemporary((state) => state.camouflage);
   const hasRammer = useEquipment(100);
   const hasCalibratedShells = useEquipment(103);
@@ -89,10 +98,10 @@ export function Characteristics() {
     [hasEnhancedSandbagArmor, 0.06],
     [hasImprovedAssembly, 0.06],
   );
-  const reloadCoefficient = coefficient(
-    [hasRammer, -0.07],
-    [hasAdrenaline && gun.type === 'regular', -0.2],
-  );
+  const reloadCoefficient =
+    (coefficient([hasRammer, -0.07]) *
+      coefficient([true, degressiveStat(crewMemberMastery)])) /
+    coefficient([hasAdrenaline && gun.type === 'regular', 0.2]);
   const penetrationCoefficient = coefficient([
     hasCalibratedShells,
     isExplosive(shell.type) ? 0.1 : 0.05,
@@ -110,15 +119,18 @@ export function Characteristics() {
     hasSupercharger,
     -0.5,
   ]);
-  const aimTimeCoefficient = coefficient(
-    [hasEnhancedGunLayingDrive, -0.1],
-    [hasReticleCalibration, -0.4],
-    [hasVerticalStabilizer, -0.15],
-  );
-  const dispersionCoefficient = coefficient(
-    [hasRefinedGun, -0.1],
-    [hasReticleCalibration, -0.4],
-  );
+  const aimTimeCoefficient =
+    coefficient(
+      [hasEnhancedGunLayingDrive, -0.1],
+      [hasReticleCalibration, -0.4],
+    ) * coefficient([true, degressiveStat(crewMemberMastery)]);
+  const dispersionStillCoefficient =
+    coefficient([hasRefinedGun, -0.1], [hasReticleCalibration, -0.4]) *
+    coefficient([true, degressiveStat(crewMemberMastery)]);
+  const dispersionMovingCoefficient = coefficient([
+    hasVerticalStabilizer,
+    -0.15,
+  ]);
   const enginePowerCoefficient = coefficient(
     [
       hasEngineAccelerator && (tank.type === 'light' || tank.type === 'medium'),
@@ -136,19 +148,20 @@ export function Characteristics() {
     [hasGearOil, 0.03],
     [hasImprovedGearOil, 0.06],
   );
-  const turretTraverseCoefficient = coefficient(
-    [hasStandardFuel, 0.03],
-    [hasImprovedFuel, 0.1],
-  );
-  const hullTraverseCoefficient = coefficient(
-    [hasImprovedControl, 0.1],
-    [hasImprovedEnginePowerBoost, 0.05],
-  );
+  const turretTraverseCoefficient =
+    coefficient([hasStandardFuel, 0.03], [hasImprovedFuel, 0.1]) *
+    coefficient([true, progressiveStat(crewMemberMastery)]);
+  const hullTraverseCoefficient =
+    coefficient(
+      [hasImprovedControl, 0.1],
+      [hasImprovedEnginePowerBoost, 0.05],
+    ) * coefficient([true, progressiveStat(crewMemberMastery)]);
   const resistanceCoefficient = coefficient([hasImprovedSuspension, -0.25]);
-  const viewRangeCoefficient = coefficient([
-    hasImprovedOptics,
-    tank.type === 'tankDestroyer' ? 0.05 : tank.type === 'heavy' ? 0.07 : 0.1,
-  ]);
+  const viewRangeCoefficient =
+    coefficient([
+      hasImprovedOptics,
+      tank.type === 'tankDestroyer' ? 0.05 : tank.type === 'heavy' ? 0.07 : 0.1,
+    ]) * coefficient([true, progressiveStat(commanderMastery)]);
   const fireChanceCoefficient = coefficient([hasProtectiveKit, -0.2]);
 
   const speedForwardsSum = sum(
@@ -199,11 +212,6 @@ export function Characteristics() {
     ],
   );
 
-  const provisionCrewBonus = provisions.reduce(
-    (total, provision) =>
-      provision.crew ? total + provision.crew / 100 : total,
-    0,
-  );
   const resolvedEnginePower = engine.power * enginePowerCoefficient;
   const dpm = resolveDpm(
     gun,
@@ -363,7 +371,7 @@ export function Characteristics() {
         <InfoWithDelta name="Module damage" unit="hp" decimals={0}>
           {shell.damage.module * damageCoefficient}
         </InfoWithDelta>
-        <InfoWithDelta name="Shell velocity" unit="m/s">
+        <InfoWithDelta name="Shell velocity" unit="m/s" decimals={0}>
           {shell.speed * shellVelocityCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
@@ -382,7 +390,7 @@ export function Characteristics() {
           unit="m"
           deltaType="lowerIsBetter"
         >
-          {gun.dispersion.base * dispersionCoefficient}
+          {gun.dispersion.base * dispersionStillCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
           prefix="+ "
@@ -392,7 +400,7 @@ export function Characteristics() {
           unit="s"
           deltaType="lowerIsBetter"
         >
-          {track.dispersion.move * dispersionCoefficient}
+          {track.dispersion.move * dispersionMovingCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
           decimals={3}
@@ -402,7 +410,7 @@ export function Characteristics() {
           unit="°"
           deltaType="lowerIsBetter"
         >
-          {track.dispersion.traverse * dispersionCoefficient}
+          {track.dispersion.traverse * dispersionMovingCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
           decimals={3}
@@ -412,7 +420,7 @@ export function Characteristics() {
           unit="°"
           deltaType="lowerIsBetter"
         >
-          {gun.dispersion.traverse * dispersionCoefficient}
+          {gun.dispersion.traverse * dispersionMovingCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
           decimals={3}
@@ -422,17 +430,17 @@ export function Characteristics() {
           unit="m"
           deltaType="lowerIsBetter"
         >
-          {gun.dispersion.shot * dispersionCoefficient}
+          {gun.dispersion.shot * dispersionMovingCoefficient}
         </InfoWithDelta>
         <InfoWithDelta
-          decimals={3}
+          decimals={1}
           prefix="x "
           indent
           name="Gun damaged"
           unit="scalar"
           deltaType="lowerIsBetter"
         >
-          {gun.dispersion.damaged * dispersionCoefficient}
+          {gun.dispersion.damaged * dispersionMovingCoefficient}
         </InfoWithDelta>
         <Info name="Gun flexibility" unit="°" />
         <InfoWithDelta decimals={1} indent name="Depression">
@@ -549,7 +557,7 @@ export function Characteristics() {
         <InfoWithDelta name="Fire chance" unit="%" deltaType="lowerIsBetter">
           {Math.round(engine.fireChance * fireChanceCoefficient * 100)}
         </InfoWithDelta>
-        <InfoWithDelta name="View range" unit="m">
+        <InfoWithDelta name="View range" unit="m" decimals={0}>
           {turret.viewRange * viewRangeCoefficient}
         </InfoWithDelta>
         <Info name="Camouflage" unit="%" />
@@ -590,9 +598,9 @@ export function Characteristics() {
                 unit="%"
                 decimals={0}
               >
-                {(crew + provisionCrewBonus) *
-                  (member.type === 'commander' ? 1 : 1.1) *
-                  100}
+                {(member.type === 'commander'
+                  ? commanderMastery
+                  : crewMemberMastery) * 100}
               </InfoWithDelta>
               {member.substitute && (
                 <Info

src/core/blitzkrieg/degressiveStat.ts

@@ -0,0 +1,3 @@
+export function degressiveStat(crew: number) {
+  return 0.875 / (0.00375 * 100 * crew + 0.5) - 1;
+}

src/core/blitzkrieg/progressiveStat.ts

@@ -0,0 +1,3 @@
+export function progressiveStat(crew: number) {
+  return (0.00375 * 100 * crew + 0.5) / 0.875 - 1;
+}

src/stores/tankopedia.ts

@@ -67,7 +67,7 @@ interface TankopediaTemporary {
   equipmentMatrix: EquipmentMatrix;
   mode: TankopediaMode;
   consumables: number[];
-  crew: number;
+  crewMastery: number;
   provisions: number[];
   camouflage: boolean;
   cooldownBooster: number;
@@ -176,7 +176,7 @@ export const useTankopediaTemporary = create<TankopediaTemporary>()(
       [0, 0, 0],
       [0, 0, 0],
     ],
-    crew: 0.75,
+    crewMastery: 0.75,
     mode: 'model',
     consumables: [],
     provisions: [],