feat: terrain coefficients

src/app/tools/compare/page.tsx

@@ -1357,6 +1357,23 @@ export default function Page() {
                 />
                 <Row name="Engine power" value="enginePower" decimals={0} />
                 <Row name="Weight" value="weight" decimals={1} />
+                <Row
+                  name="Terrain coefficient"
+                  value="hardTerrainCoefficient"
+                  decimals={1}
+                />
+                <Row
+                  name="medium terrain"
+                  indent
+                  value="mediumTerrainCoefficient"
+                  decimals={1}
+                />
+                <Row
+                  name="soft terrain"
+                  indent
+                  value="softTerrainCoefficient"
+                  decimals={1}
+                />
                 <Row
                   name="Power to weight ratio"
                   value="powerToWeightRatioHardTerrain"

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

@@ -534,6 +534,16 @@ export function Characteristics() {
           >
             {stats.weight}
           </InfoWithDelta>
+          <Info name="Terrain coefficients" />
+          <InfoWithDelta decimals={1} indent name="Hard">
+            {stats.hardTerrainCoefficient}
+          </InfoWithDelta>
+          <InfoWithDelta decimals={1} indent name="Medium">
+            {stats.mediumTerrainCoefficient}
+          </InfoWithDelta>
+          <InfoWithDelta decimals={1} indent name="Soft">
+            {stats.softTerrainCoefficient}
+          </InfoWithDelta>
           <Info name="Power to weight ratio" unit="hp/tn" />
           <InfoWithDelta decimals={1} indent name="On hard terrain">
             {stats.powerToWeightRatioHardTerrain}

src/core/blitzkit/tankCharacteristics.ts

@@ -405,40 +405,37 @@ export function tankCharacteristics(
   const speedForwards = tank.speed.forwards + speedForwardsSum;
   const speedBackwards = tank.speed.backwards + speedBackwardsSum;
   const enginePower = resolvedEnginePower;
+  const hardTerrainCoefficient =
+    track.resistance.hard * resistanceHardCoefficient;
+  const mediumTerrainCoefficient =
+    track.resistance.medium * resistanceMediumCoefficient;
+  const softTerrainCoefficient =
+    track.resistance.soft * resistanceSoftCoefficient;
   const powerToWeightRatioHardTerrain =
-    resolvedEnginePower /
+    resolvedEnginePower / weightTons / hardTerrainCoefficient;
-    weightTons /
-    (track.resistance.hard * resistanceHardCoefficient);
   const powerToWeightRatioMediumTerrain =
-    resolvedEnginePower /
+    resolvedEnginePower / weightTons / mediumTerrainCoefficient;
-    weightTons /
-    (track.resistance.medium * resistanceMediumCoefficient);
   const powerToWeightRatioSoftTerrain =
-    resolvedEnginePower /
+    resolvedEnginePower / weightTons / softTerrainCoefficient;
-    weightTons /
-    (track.resistance.soft * resistanceSoftCoefficient);
   const weight = weightTons;
   const turretTraverseSpeed = turret.traverseSpeed * turretTraverseCoefficient;
   const hullTraverseHardTerrain =
     (resolvedEnginePower / stockEngine.power) *
     track.traverseSpeed *
     hullTraverseCoefficient *
-    (track.resistance.hard /
+    (track.resistance.hard / hardTerrainCoefficient) *
-      (track.resistance.hard * resistanceHardCoefficient)) *
     (stockWeight / weightKg);
   const hullTraverseMediumTerrain =
     (resolvedEnginePower / stockEngine.power) *
     track.traverseSpeed *
     hullTraverseCoefficient *
-    (track.resistance.hard /
+    (track.resistance.hard / mediumTerrainCoefficient) *
-      (track.resistance.medium * resistanceMediumCoefficient)) *
     (stockWeight / weightKg);
   const hullTraverseSoftTerrain =
     (resolvedEnginePower / stockEngine.power) *
     track.traverseSpeed *
     hullTraverseCoefficient *
-    (track.resistance.hard /
+    (track.resistance.hard / softTerrainCoefficient) *
-      (track.resistance.soft * resistanceSoftCoefficient)) *
     (stockWeight / weightKg);
   const health = (tank.health + turret.health) * healthCoefficient;
   const fireChance = engine.fireChance * fireChanceCoefficient;
@@ -500,6 +497,9 @@ export function tankCharacteristics(
     azimuthRight,
     speedForwards,
     speedBackwards,
+    hardTerrainCoefficient,
+    mediumTerrainCoefficient,
+    softTerrainCoefficient,
     enginePower,
     powerToWeightRatioHardTerrain,
     powerToWeightRatioMediumTerrain,