feat: daily stats

src/commands/debug.ts

@@ -4,6 +4,7 @@ import { CommandRegistry } from '../behaviors/interactionCreate.js';
 import { SKILLED_COLOR } from '../constants/colors.js';
 import { client } from '../index.js';
 import getClientId from '../utilities/getClientId.js';
+import { tankAverages } from '../utilities/tankAverages.js';
 import { tankopedia } from '../utilities/tankopedia.js';
 
 const executionStart = new Date().getTime();
@@ -35,6 +36,8 @@ export default {
               uptime % 1000,
             )}ms\n**Tankopedia**: ${
               tankopedia ? 'cached' : 'not cached'
+            }\n**Tank averages**: ${
+              tankAverages ? 'cached' : 'not cached'
             }\n**Client ID**: ${getClientId()}\n**Tag**: ${
               interaction.client.user.tag
             }`,

src/commands/inactive.ts

@@ -4,7 +4,7 @@ import { CommandRegistry } from '../behaviors/interactionCreate.js';
 import { NEGATIVE_COLOR, POSITIVE_COLOR } from '../constants/colors.js';
 import { BlitzServer } from '../constants/servers.js';
 import { ClanInfo } from '../types/clanInfo.js';
-import { PlayerPersonalData } from '../types/playerPersonalData.js';
+import { AccountInfo } from '../types/accountInfo.js';
 import addServerChoices from '../utilities/addServerChoices.js';
 import { args } from '../utilities/args.js';
 import getClan from '../utilities/getClan.js';
@@ -53,7 +53,7 @@ export default {
         async (clanInfo) => {
           const memberIds = clanInfo[clan.clan_id].members_ids;
 
-          getWargamingResponse<PlayerPersonalData>(
+          getWargamingResponse<AccountInfo>(
             `https://api.wotblitz.${server}/wotb/account/info/?application_id=${
               args['wargaming-application-id']
             }&account_id=${memberIds.join(',')}`,

src/commands/stats.ts

@@ -3,13 +3,19 @@ import markdownEscape from 'markdown-escape';
 import { CommandRegistry } from '../behaviors/interactionCreate.js';
 import { SKILLED_COLOR } from '../constants/colors.js';
 import { BlitzServer } from '../constants/servers.js';
+import { AccountInfo, AllStats } from '../types/accountInfo.js';
+import { PeriodStatistics } from '../types/statistics.js';
 import addIGNOption from '../utilities/addIGNOption.js';
 import addServerChoices from '../utilities/addServerChoices.js';
+import { args } from '../utilities/args.js';
 import blitzLinks from '../utilities/blitzLinks.js';
 import getBlitzAccount from '../utilities/getBlitzAccount.js';
 import getBlitzStarsAccount from '../utilities/getBlitzStarsAccount.js';
+import getWargamingResponse from '../utilities/getWargamingResponse.js';
 import poweredByBlitzStars from '../utilities/poweredByBlitzStars.js';
 
+type Period = 'today' | '30' | '90' | 'career';
+
 export default {
   inProduction: true,
   inDevelopment: false,
@@ -23,9 +29,10 @@ export default {
         .setName('period')
         .setDescription('The last number of days of stats')
         .setChoices(
-          { name: '30 Days', value: '30' },
+          { name: 'Today', value: 'today' satisfies Period },
-          { name: '90 Days', value: '90' },
+          { name: '30 Days', value: '30' satisfies Period },
-          { name: 'Career', value: 'career' },
+          { name: '90 Days', value: '90' satisfies Period },
+          { name: 'Career', value: 'career' satisfies Period },
         )
         .setRequired(true),
     )
@@ -35,89 +42,188 @@ export default {
   execute(interaction) {
     const name = interaction.options.getString('name')!;
     const server = interaction.options.getString('server') as BlitzServer;
-    const period = interaction.options.getString('period')! as
+    const period = interaction.options.getString('period') as Period;
-      | '30'
-      | '90'
-      | 'career';
     const command = `stats ${server} ${name} ${period}`;
 
-    getBlitzAccount(interaction, command, name, server, async (account) => {
+    getBlitzAccount(
-      getBlitzStarsAccount(
+      interaction,
-        interaction,
+      command,
-        command,
+      name,
-        account.account_id,
+      server,
-        name,
+      async (blitzAccount) => {
-        async (data) => {
+        getBlitzStarsAccount(
-          {
+          interaction,
-            const stats =
+          command,
-              period === 'career' ? data.statistics : data[`period${period}d`];
+          blitzAccount.account_id,
+          name,
+          async (blitzStarsAccount) => {
+            async function reply(stats: PeriodStatistics) {
+              await interaction.editReply({
+                embeds: [
+                  poweredByBlitzStars(
+                    new EmbedBuilder()
+                      .setColor(SKILLED_COLOR)
+                      .setTitle(
+                        `${markdownEscape(blitzStarsAccount.nickname)}'s ${
+                          period === 'career' ? period : `${period} day`
+                        } stats`,
+                      )
+                      .setDescription(
+                        `${
+                          period === 'today'
+                            ? '**⚠ Some stats are not available**\n\n'
+                            : ''
+                        }${[
+                          ['Winrate', `${stats.special.winrate.toFixed(2)}%`],
+                          [
+                            'Survival',
+                            `${stats.special.survivalRate.toFixed(2)}%`,
+                          ],
+                          [
+                            'Accuracy',
+                            `${(
+                              (stats.all.hits / stats.all.shots) *
+                              100
+                            ).toFixed(2)}%`,
+                          ],
+                          ['WN8', stats.wn8.toFixed(0)],
+                          ['WN7', stats.wn7.toFixed(0)],
+                          [],
+                          ['Battles', stats.all.battles],
+                          ['Wins', stats.all.wins],
+                          ['Losses', stats.all.losses],
+                          ['Average tier', stats.avg_tier.toFixed(2)],
+                          [],
+                          [
+                            'Shots per battle',
+                            (stats.all.shots / stats.all.battles).toFixed(2),
+                          ],
+                          ['Hits per battle', stats.special.hpb.toFixed(2)],
+                          ['Damage per battle', stats.special.dpb.toFixed(0)],
+                          ['Kills per battle', stats.special.kpb.toFixed(2)],
+                          ['Spots per battle', stats.special.spb.toFixed(2)],
+                          [
+                            'XP per battle',
+                            (stats.all.xp / stats.all.battles).toFixed(0),
+                          ],
+                          [],
+                          [
+                            'Damage ratio',
+                            stats.special.damageRatio.toFixed(2),
+                          ],
+                          [
+                            'Kills to death ratio',
+                            stats.special.kdr.toFixed(2),
+                          ],
+                        ]
+                          .filter((array) => array[1] !== `${-Infinity}`)
+                          .map((array) =>
+                            array.length === 0
+                              ? ''
+                              : `**${array[0]}**: ${array[1]}`,
+                          )
+                          .join('\n')}\n\n${blitzLinks(blitzStarsAccount)}`,
+                      ),
+                  ),
+                ],
+              });
 
-            await interaction.editReply({
+              console.log(
-              embeds: [
+                `Showing ${blitzStarsAccount.nickname}'s ${period} stats`,
-                poweredByBlitzStars(
+              );
-                  new EmbedBuilder()
+            }
-                    .setColor(SKILLED_COLOR)
-                    .setTitle(
-                      `${markdownEscape(data.nickname)}'s ${
-                        period === 'career' ? period : `${period} day`
-                      } stats`,
-                    )
-                    .setDescription(
-                      `${[
-                        ['Winrate', `${stats.special.winrate.toFixed(2)}%`],
-                        [
-                          'Survival',
-                          `${stats.special.survivalRate.toFixed(2)}%`,
-                        ],
-                        [
-                          'Accuracy',
-                          `${((stats.all.hits / stats.all.shots) * 100).toFixed(
-                            2,
-                          )}%`,
-                        ],
-                        ['WN8', stats.wn8.toFixed(0)],
-                        ['WN7', stats.wn7.toFixed(0)],
-                        [],
-                        ['Battles', stats.all.battles],
-                        ['Wins', stats.all.wins],
-                        ['Losses', stats.all.losses],
-                        ['Average tier', stats.avg_tier.toFixed(2)],
-                        [],
-                        ['Hits per battle', stats.special.hpb.toFixed(2)],
-                        ['Damage per battle', stats.special.dpb.toFixed(0)],
-                        ['Kills per battle', stats.special.kpb.toFixed(2)],
-                        ['Spots per battle', stats.special.spb.toFixed(2)],
-                        [
-                          'Shots per battle',
-                          (stats.all.shots / stats.all.battles).toFixed(2),
-                        ],
-                        [
-                          'Hits per battle',
-                          (stats.all.hits / stats.all.battles).toFixed(2),
-                        ],
-                        [
-                          'XP per battle',
-                          (stats.all.xp / stats.all.battles).toFixed(0),
-                        ],
-                        [],
-                        ['Damage ratio', stats.special.damageRatio.toFixed(2)],
-                        ['Kills to death ratio', stats.special.kdr.toFixed(2)],
-                      ]
-                        .map((array) =>
-                          array.length === 0
-                            ? ''
-                            : `**${array[0]}**: ${array[1]}`,
-                        )
-                        .join('\n')}\n\n${blitzLinks(data)}`,
-                    ),
-                ),
-              ],
-            });
 
-            console.log(`Showing ${data.nickname}'s ${period} stats`);
+            let stats: PeriodStatistics | null = null;
-          }
+
-        },
+            if (period === 'career') {
-      );
+              stats = blitzStarsAccount.statistics;
-    });
+            } else if (period === 'today') {
+              getWargamingResponse<AccountInfo>(
+                `https://api.wotblitz.${server}/wotb/account/info/?application_id=${args['wargaming-application-id']}&account_id=${blitzAccount.account_id}`,
+                interaction,
+                command,
+                async (accountInfo) => {
+                  const a1 = blitzStarsAccount.statistics;
+                  const a2 = accountInfo[blitzAccount.account_id].statistics;
+
+                  const battles = a2.all.battles - a1.all.battles;
+
+                  function pb(value: (allStats: AllStats) => number) {
+                    return (value(a2.all) - value(a1.all)) / battles;
+                  }
+                  function diff(value: (allStats: AllStats) => number) {
+                    return value(a2.all) - value(a1.all);
+                  }
+                  function span(
+                    value1: (allStats: AllStats) => number,
+                    value2: (allStats: AllStats) => number,
+                  ) {
+                    return (
+                      (value1(a2.all) - value1(a1.all)) /
+                      (value2(a2.all) - value2(a1.all))
+                    );
+                  }
+
+                  stats = {
+                    all: {
+                      battles,
+                      capture_points: pb((a) => a.capture_points),
+                      damage_dealt: pb((a) => a.damage_dealt),
+                      damage_received: pb((a) => a.damage_received),
+                      dropped_capture_points: diff(
+                        (a) => a.dropped_capture_points,
+                      ),
+                      frags: pb((a) => a.frags),
+                      frags8p: pb((a) => a.frags8p),
+                      hits: diff((a) => a.hits),
+                      losses: diff((a) => a.losses),
+                      max_frags: pb((a) => a.max_frags),
+                      max_frags_tank_id: pb((a) => a.max_frags_tank_id),
+                      max_xp: pb((a) => a.max_xp),
+                      max_xp_tank_id: pb((a) => a.max_xp_tank_id),
+                      shots: diff((a) => a.shots),
+                      spotted: pb((a) => a.spotted),
+                      survived_battles: pb((a) => a.survived_battles),
+                      win_and_survived: pb((a) => a.win_and_survived),
+                      wins: diff((a) => a.wins),
+                      xp: diff((a) => a.xp),
+                    },
+                    special: {
+                      winrate: pb((a) => a.wins) * 100,
+                      dpb: pb((a) => a.damage_dealt),
+                      survivalRate: pb((a) => a.survived_battles) * 100,
+                      damageRatio: span(
+                        (a) => a.damage_dealt,
+                        (a) => a.damage_received,
+                      ),
+                      hitRate: pb((a) => a.hits / a.shots),
+                      hpb: pb((a) => a.hits),
+                      kdr:
+                        diff((a) => a.frags) /
+                        diff((a) => a.battles - a.survived_battles),
+                      kpb: pb((a) => a.frags),
+                      spb: pb((a) => a.spotted),
+                    },
+
+                    avg_tier: -Infinity,
+                    pwp: -Infinity,
+                    wn7: -Infinity,
+                    wn8: -Infinity,
+                  };
+
+                  reply(stats);
+                },
+              );
+            } else {
+              stats = blitzStarsAccount[`period${period}d`];
+            }
+
+            if (stats) {
+              reply(stats);
+            }
+          },
+        );
+      },
+    );
   },
 } satisfies CommandRegistry;

src/commands/verify.ts

@@ -13,7 +13,7 @@ import getWargamingResponse from '../utilities/getWargamingResponse.js';
 
 export default {
   inProduction: true,
-  inDevelopment: true,
+  inDevelopment: false,
   inPublic: true,
 
   command: new SlashCommandBuilder()

src/types/accountInfo.ts

@@ -0,0 +1,71 @@
+export interface AllStats {
+  spotted: number;
+  max_frags_tank_id: number;
+  hits: number;
+  frags: number;
+  max_xp: number;
+  max_xp_tank_id: number;
+  wins: number;
+  losses: number;
+  capture_points: number;
+  battles: number;
+  damage_dealt: number;
+  damage_received: number;
+  max_frags: number;
+  shots: number;
+  frags8p: number;
+  xp: number;
+  win_and_survived: number;
+  survived_battles: number;
+  dropped_capture_points: number;
+}
+
+export interface SpecialStats {
+  winrate: number;
+  damageRatio: number;
+  kdr: number;
+  dpb: number;
+  kpb: number;
+  hpb: number;
+  spb: number;
+  hitRate: number;
+  survivalRate: number;
+}
+
+export interface ClanStats {
+  spotted: number;
+  max_frags_tank_id: number;
+  hits: number;
+  frags: number;
+  max_xp: number;
+  max_xp_tank_id: number;
+  wins: number;
+  losses: number;
+  capture_points: number;
+  battles: number;
+  damage_dealt: number;
+  damage_received: number;
+  max_frags: number;
+  shots: number;
+  frags8p: number;
+  xp: number;
+  win_and_survived: number;
+  survived_battles: number;
+  dropped_capture_points: number;
+}
+
+export type AccountInfo = {
+  [accountId: number]: {
+    statistics: {
+      clan: ClanStats;
+      all: AllStats;
+      frags: null;
+    };
+    account_id: number;
+    created_at: number;
+    updated_at: number;
+    private: null;
+    last_battle_time: number;
+    nickname: string;
+  };
+};

src/types/playerPersonalData.ts

@@ -1,55 +0,0 @@
-export type PlayerPersonalData = {
-  [accountId: number]: {
-    statistics: {
-      clan: {
-        spotted: number;
-        max_frags_tank_id: number;
-        hits: number;
-        frags: number;
-        max_xp: number;
-        max_xp_tank_id: number;
-        wins: number;
-        losses: number;
-        capture_points: number;
-        battles: number;
-        damage_dealt: number;
-        damage_received: number;
-        max_frags: number;
-        shots: number;
-        frags8p: number;
-        xp: number;
-        win_and_survived: number;
-        survived_battles: number;
-        dropped_capture_points: number;
-      };
-      all: {
-        spotted: number;
-        max_frags_tank_id: number;
-        hits: number;
-        frags: number;
-        max_xp: number;
-        max_xp_tank_id: number;
-        wins: number;
-        losses: number;
-        capture_points: number;
-        battles: number;
-        damage_dealt: number;
-        damage_received: number;
-        max_frags: number;
-        shots: number;
-        frags8p: number;
-        xp: number;
-        win_and_survived: number;
-        survived_battles: number;
-        dropped_capture_points: number;
-      };
-      frags: null;
-    };
-    account_id: number;
-    created_at: number;
-    updated_at: number;
-    private: null;
-    last_battle_time: number;
-    nickname: string;
-  };
-};

src/types/playerStats.ts

@@ -0,0 +1,28 @@
+import { AllStats } from './accountInfo.js';
+
+export type PlayerStats = {
+  clan: {
+    clan_id: number;
+    name: string;
+    tag: string;
+  };
+  statistics: {
+    all: AllStats;
+    wn8: number;
+    wn7: number;
+    average_tier: number;
+  };
+  _id: string;
+  last_battle_time: number;
+  nickname: string;
+  account_id: number;
+  achievements: {
+    account_id: string;
+    medalLafayettePool: number;
+    medalRadleyWalters: number;
+    warrior: number;
+    jointVictoryCount: number;
+  };
+  region: string;
+  __v: number;
+}[];

src/types/statistics.ts

@@ -1,32 +1,8 @@
+import { AllStats, SpecialStats } from './accountInfo.js';
+
 export interface PeriodStatistics {
-  all: {
+  all: AllStats;
-    spotted: number;
+  special: SpecialStats;
-    hits: number;
-    frags: number;
-    wins: number;
-    losses: number;
-    capture_points: number;
-    battles: number;
-    damage_dealt: number;
-    damage_received: number;
-    shots: number;
-    frags8p: number;
-    xp: number;
-    win_and_survived: number;
-    survived_battles: number;
-    dropped_capture_points: number;
-  };
-  special: {
-    winrate: number;
-    damageRatio: number;
-    kdr: number;
-    dpb: number;
-    kpb: number;
-    hpb: number;
-    spb: number;
-    hitRate: number;
-    survivalRate: number;
-  };
 
   wn7: number;
   wn8: number;

src/utilities/compoundingAverage.ts

@@ -0,0 +1,8 @@
+export default function compoundingAverage(
+  average1: number,
+  battles1: number,
+  average2: number,
+  battles2: number,
+) {
+  return (average2 * battles2 - average1 * battles1) / (battles2 - battles1);
+}

src/utilities/getPlayerStats.ts

@@ -0,0 +1,16 @@
+import { CacheType, ChatInputCommandInteraction } from 'discord.js';
+import fetch from 'node-fetch';
+import { PlayerStats } from '../types/playerStats.js';
+
+export default async function getPlayerStats(
+  interaction: ChatInputCommandInteraction<CacheType>,
+  command: string,
+  id: number,
+  callback: (playerStats: PlayerStats) => void,
+) {
+  fetch(`https://www.blitzstars.com/api/playerstats/${id}`).then(
+    async (response) => {
+      callback((await response.json()) as PlayerStats);
+    },
+  );
+}

src/utilities/tankAverages.ts

@@ -0,0 +1,641 @@
+import fetch from 'node-fetch';
+import { AllStats } from '../types/accountInfo.js';
+
+/*
+[
+  {
+    "_id": 1,
+    "battle_life_time": 87518,
+    "total_battle_life_time": 875184684,
+    "number_of_players": 10000,
+    "tank_id": 1,
+    "all": {
+      "spotted": 616.4213,
+      "hits": 3994.2422,
+      "wins": 290.8189,
+      "losses": 265.5425,
+      "capture_points": 239.7655,
+      "battles": 567.3393,
+      "damage_dealt": 325559.6622,
+      "damage_received": 316424.7297,
+      "shots": 5125.5252,
+      "max_xp": 1199.4879,
+      "xp": 210141.9274,
+      "frags": 403.2506,
+      "survived_battles": 170.2097,
+      "dropped_capture_points": 619.8172
+    },
+    "special": {
+      "winrate": 51.2601,
+      "damageRatio": 1.0289,
+      "kdr": 1.0154,
+      "damagePerBattle": 573.8359,
+      "killsPerBattle": 0.7108,
+      "hitsPerBattle": 7.0403,
+      "spotsPerBattle": 1.0865,
+      "wpm": 0.1994,
+      "dpm": 223.1938,
+      "kpm": 0.2765,
+      "hitRate": 77.9284,
+      "survivalRate": 30.0014
+    },
+    "percentiles": {
+      "winRate": [
+        43.714,
+        46.429,
+        48.3395,
+        50.101,
+        51.835,
+        53.755,
+        55.8765,
+        58.58,
+        62.749
+      ],
+      "damageRatio": [
+        0.622,
+        0.7585,
+        0.861,
+        0.955,
+        1.051,
+        1.1535,
+        1.269,
+        1.428,
+        1.686
+      ],
+      "kdr": [
+        0.4935,
+        0.655,
+        0.79,
+        0.9245,
+        1.0665,
+        1.226,
+        1.424,
+        1.702,
+        2.2165
+      ],
+      "damagePerBattle": [
+        361.925,
+        437.475,
+        493.325,
+        544.06,
+        593.75,
+        645.125,
+        702.875,
+        776.97,
+        896.835
+      ],
+      "killsPerBattle": [
+        0.381,
+        0.489,
+        0.574,
+        0.655,
+        0.735,
+        0.82,
+        0.917,
+        1.0425,
+        1.2385
+      ],
+      "hitsPerBattle": [
+        3.9295,
+        4.6525,
+        5.335,
+        6.04,
+        7.0145,
+        8.14,
+        9.343,
+        10.594,
+        12.313
+      ],
+      "spotsPerBattle": [
+        0.648,
+        0.789,
+        0.903,
+        1.008,
+        1.11,
+        1.214,
+        1.337,
+        1.474,
+        1.671
+      ],
+      "wpm": [
+        0.1582,
+        0.1717,
+        0.182,
+        0.1908,
+        0.1992,
+        0.208,
+        0.2179,
+        0.2295,
+        0.2459
+      ],
+      "dpm": [
+        139.612,
+        167.501,
+        188.5304,
+        207.8887,
+        226.5041,
+        246.3742,
+        268.8646,
+        297.8587,
+        339.6516
+      ],
+      "kpm": [
+        0.1511,
+        0.1916,
+        0.222,
+        0.2502,
+        0.2791,
+        0.31,
+        0.3448,
+        0.39,
+        0.463
+      ],
+      "hitRate": [
+        69.3035,
+        73.4495,
+        75.77,
+        77.587,
+        79.0885,
+        80.4375,
+        81.807,
+        83.251,
+        84.895
+      ],
+      "survivalRate": [
+        20.495,
+        24.071,
+        26.696,
+        29.07,
+        31.2725,
+        33.632,
+        36.387,
+        39.651,
+        44.9655
+      ]
+    },
+    "percentiles_player_count": 10000,
+    "meanSd": {
+      "winrateMean": 52.6691,
+      "winrateSd": 7.501,
+      "hitRateMean": 76.8419,
+      "hitRateSd": 11.8812,
+      "survivalRateMean": 31.8702,
+      "survivalRateSd": 10.2378,
+      "damageRatioMean": 1.1025,
+      "damageRatioSd": 0.4427,
+      "kdrMean": 1.2394,
+      "kdrSd": 0.7795,
+      "dpbMean": 608.4002,
+      "dpbSd": 217.8841,
+      "kpbMean": 0.774,
+      "kpbSd": 0.3449,
+      "hpbMean": 7.5795,
+      "hpbSd": 3.3543,
+      "spbMean": 1.1317,
+      "spbSd": 0.4135
+    },
+    "shotEff": 81.3044,
+    "last_update": 1678771055585
+  },
+  {
+    "_id": 17,
+    "battle_life_time": 106463,
+    "total_battle_life_time": 1064627816,
+    "number_of_players": 10000,
+    "tank_id": 17,
+    "all": {
+      "spotted": 707.8467,
+      "hits": 3128.9507,
+      "wins": 337.453,
+      "losses": 326.723,
+      "capture_points": 273.1936,
+      "battles": 673.9891,
+      "damage_dealt": 371207.8193,
+      "damage_received": 386415.786,
+      "shots": 4144.258,
+      "max_xp": 1191.7719,
+      "xp": 242667.5486,
+      "frags": 462.8709,
+      "survived_battles": 200.5843,
+      "dropped_capture_points": 595.6305
+    },
+    "special": {
+      "winrate": 50.068,
+      "damageRatio": 0.9606,
+      "kdr": 0.9777,
+      "damagePerBattle": 550.7623,
+      "killsPerBattle": 0.6868,
+      "hitsPerBattle": 4.6424,
+      "spotsPerBattle": 1.0502,
+      "wpm": 0.1902,
+      "dpm": 209.2043,
+      "kpm": 0.2609,
+      "hitRate": 75.5009,
+      "survivalRate": 29.7608
+    },
+    "percentiles": {
+      "winRate": [
+        43.103,
+        45.24,
+        46.8795,
+        48.332,
+        49.8065,
+        51.196,
+        52.918,
+        55.1185,
+        59.0235
+      ],
+      "damageRatio": [
+        0.584,
+        0.704,
+        0.789,
+        0.861,
+        0.935,
+        1.018,
+        1.112,
+        1.244,
+        1.465
+      ],
+      "kdr": [
+        0.485,
+        0.617,
+        0.726,
+        0.827,
+        0.9345,
+        1.056,
+        1.2155,
+        1.428,
+        1.845
+      ],
+      "damagePerBattle": [
+        345.69,
+        412.49,
+        459.44,
+        499.55,
+        540.035,
+        584.985,
+        633.355,
+        699.025,
+        811.67
+      ],
+      "killsPerBattle": [
+        0.375,
+        0.465,
+        0.533,
+        0.596,
+        0.659,
+        0.73,
+        0.811,
+        0.918,
+        1.102
+      ],
+      "hitsPerBattle": [
+        3.195,
+        3.69,
+        4.068,
+        4.362,
+        4.647,
+        4.9485,
+        5.271,
+        5.656,
+        6.2055
+      ],
+      "spotsPerBattle": [
+        0.629,
+        0.752,
+        0.8575,
+        0.956,
+        1.049,
+        1.1465,
+        1.262,
+        1.4,
+        1.603
+      ],
+      "wpm": [
+        0.1528,
+        0.1655,
+        0.1743,
+        0.1825,
+        0.19,
+        0.1979,
+        0.2065,
+        0.2171,
+        0.2339
+      ],
+      "dpm": [
+        131.2505,
+        155.7725,
+        174.1863,
+        189.9051,
+        205.3328,
+        221.5702,
+        240.8529,
+        264.8677,
+        307.253
+      ],
+      "kpm": [
+        0.1463,
+        0.1799,
+        0.2042,
+        0.2268,
+        0.2493,
+        0.2736,
+        0.3036,
+        0.3432,
+        0.4089
+      ],
+      "hitRate": [
+        65.617,
+        70.051,
+        72.553,
+        74.549,
+        76.2425,
+        77.7385,
+        79.2765,
+        80.858,
+        83.018
+      ],
+      "survivalRate": [
+        20.444,
+        23.447,
+        25.6725,
+        27.725,
+        29.6715,
+        31.6955,
+        33.923,
+        36.803,
+        41.437
+      ]
+    },
+    "percentiles_player_count": 10000,
+    "meanSd": {
+      "winrateMean": 50.5356,
+      "winrateSd": 6.6334,
+      "hitRateMean": 74.5835,
+      "hitRateSd": 9.6505,
+      "survivalRateMean": 30.3145,
+      "survivalRateSd": 8.9155,
+      "damageRatioMean": 0.9912,
+      "damageRatioSd": 0.3822,
+      "kdrMean": 1.0923,
+      "kdrSd": 0.6887,
+      "dpbMean": 562.3008,
+      "dpbSd": 195.5684,
+      "kpbMean": 0.7088,
+      "kpbSd": 0.312,
+      "hpbMean": 4.6704,
+      "hpbSd": 1.2382,
+      "spbMean": 1.0833,
+      "spbSd": 0.3853
+    },
+    "shotEff": 154.9048,
+    "last_update": 1677561392794
+  },
+  {
+    "_id": 33,
+    "battle_life_time": 47339,
+    "total_battle_life_time": 473389371,
+    "number_of_players": 10000,
+    "tank_id": 33,
+    "all": {
+      "spotted": 318.6163,
+      "hits": 1918.026,
+      "wins": 161.9938,
+      "losses": 135.1226,
+      "capture_points": 163.6557,
+      "battles": 300.0921,
+      "damage_dealt": 199194.9486,
+      "damage_received": 183696.4883,
+      "shots": 2420.9167,
+      "max_xp": 1377.8881,
+      "xp": 148216.5586,
+      "frags": 257.9868,
+      "survived_battles": 103.0862,
+      "dropped_capture_points": 260.2245
+    },
+    "special": {
+      "winrate": 53.9814,
+      "damageRatio": 1.0844,
+      "kdr": 1.3095,
+      "damagePerBattle": 663.7794,
+      "killsPerBattle": 0.8597,
+      "hitsPerBattle": 6.3915,
+      "spotsPerBattle": 1.0617,
+      "wpm": 0.2053,
+      "dpm": 252.4707,
+      "kpm": 0.327,
+      "hitRate": 79.2273,
+      "survivalRate": 34.3515
+    },
+    "percentiles": {
+      "winRate": [
+        45.669,
+        48.923,
+        51.2915,
+        53.4155,
+        55.4195,
+        57.519,
+        59.783,
+        62.553,
+        66.882
+      ],
+      "damageRatio": [
+        0.695,
+        0.839,
+        0.949,
+        1.05,
+        1.156,
+        1.261,
+        1.378,
+        1.5385,
+        1.7965
+      ],
+      "kdr": [
+        0.705,
+        0.915,
+        1.086,
+        1.254,
+        1.424,
+        1.617,
+        1.86,
+        2.1795,
+        2.7895
+      ],
+      "damagePerBattle": [
+        450.59,
+        533.78,
+        595.96,
+        652.085,
+        702.07,
+        755.18,
+        810.885,
+        880.155,
+        980.285
+      ],
+      "killsPerBattle": [
+        0.521,
+        0.653,
+        0.743,
+        0.831,
+        0.912,
+        0.994,
+        1.09,
+        1.208,
+        1.382
+      ],
+      "hitsPerBattle": [
+        4.8345,
+        5.4535,
+        5.933,
+        6.3205,
+        6.716,
+        7.0945,
+        7.508,
+        8,
+        8.7625
+      ],
+      "spotsPerBattle": [
+        0.67,
+        0.812,
+        0.919,
+        1.0105,
+        1.096,
+        1.188,
+        1.284,
+        1.401,
+        1.568
+      ],
+      "wpm": [
+        0.1667,
+        0.1817,
+        0.1923,
+        0.2014,
+        0.2098,
+        0.2185,
+        0.2272,
+        0.2377,
+        0.2524
+      ],
+      "dpm": [
+        170.9212,
+        203.7661,
+        227.6935,
+        247.3242,
+        266.3126,
+        284.356,
+        303.8913,
+        325.3216,
+        359.4345
+      ],
+      "kpm": [
+        0.2015,
+        0.2506,
+        0.2854,
+        0.3168,
+        0.3443,
+        0.3722,
+        0.4033,
+        0.4413,
+        0.4974
+      ],
+      "hitRate": [
+        72.5495,
+        75.8405,
+        77.7595,
+        79.216,
+        80.451,
+        81.597,
+        82.783,
+        83.9565,
+        85.5015
+      ],
+      "survivalRate": [
+        24.224,
+        28.201,
+        31.128,
+        33.803,
+        36.3355,
+        38.8445,
+        41.722,
+        45.3425,
+        51.186
+      ]
+    },
+    "percentiles_player_count": 10000,
+    "meanSd": {
+      "winrateMean": 55.9148,
+      "winrateSd": 8.2526,
+      "hitRateMean": 79.1161,
+      "hitRateSd": 8.4723,
+      "survivalRateMean": 36.9185,
+      "survivalRateSd": 10.7729,
+      "damageRatioMean": 1.2076,
+      "damageRatioSd": 0.454,
+      "kdrMean": 1.6293,
+      "kdrSd": 0.9557,
+      "dpbMean": 709.1817,
+      "dpbSd": 212.8413,
+      "kpbMean": 0.9358,
+      "kpbSd": 0.3445,
+      "hpbMean": 6.7378,
+      "hpbSd": 1.634,
+      "spbMean": 1.1089,
+      "spbSd": 0.3544
+    },
+    "shotEff": 117.2326,
+    "last_update": 1681791408996
+  },
+  {
+    "_id": 49,
+    "battle_life_time": 107010,
+    "total_battle_life_time": 1070098258,
+    "number_of_players": 10000,
+    "tank_id": 49,
+    "all": {
+      "spotted": 998.0054,
+      "hits": 3884.2635,
+      "wins": 334.7506,
+      "losses": 306.5336,
+      "capture_points": 69.2516,
+      "battles": 646.2226,
+      "damage_dealt": 789251.7596,
+      "damage_received": 715410.0777,
+      "shots": 4686.3514,
+      "max_xp": 1912.2171,
+      "xp": 465914.6865,
+      "frags": 489.4052,
+      "survived_battles": 205.6315,
+      "dropped_capture_points": 272.3055
+    },
+    "special": {
+      "winrate": 51.8011,
+      "damageRatio": 1.1032,
+      "kdr": 1.1108,
+      "damagePerBattle": 1221.3311,
+      "killsPerBattle": 0.7573,
+      "hitsPerBattle": 6.01
+    }
+  }
+]
+*/
+
+export const tankAverages = (await (
+  await fetch('https://www.blitzstars.com/api/tankaverages.json')
+).json()) as TankAverages;
+
+export type TankAverages = {
+  _id: number;
+  battle_life_time: number;
+  total_battle_life_time: number;
+  number_of_players: number;
+  tank_id: number;
+  all: AllStats;
+  special: {
+    winrate: number;
+    damageRatio: number;
+    kdr: number;
+    damagePerBattle: number;
+    killsPerBattle: number;
+    hitsPerBattle: number;
+  };
+}[];

src/utilities/wn8.ts

@@ -0,0 +1,59 @@
+import { PeriodStatistics } from '../types/statistics.js';
+import { tankAverages } from './tankAverages.js';
+
+// const expDmg = 2300;
+// const expSpot = 1;
+// const expFrag = 0.5;
+// const expDef = 5;
+// const expWinRate = 48;
+
+const expDmg =
+  tankAverages.reduce((a, b) => a + b.special.damagePerBattle, 0) / tankAverages.length;
+const expSpot =
+  tankAverages.reduce((a, b) => a + (b.all.spotted / b.all.battles), 0) / tankAverages.length;
+const expFrag =
+  tankAverages.reduce((a, b) => a + b.special.killsPerBattle, 0) / tankAverages.length;
+const expDef =
+  tankAverages.reduce((a, b) => a + b.all.capture_points / b.all.battles, 0) /
+  tankAverages.length;
+const expWinRate =
+  tankAverages.reduce((a, b) => a + b.special.winrate, 0) / tankAverages.length;
+
+export default function wn8(stats: PeriodStatistics) {
+  const rDAMAGE = stats.special.dpb / expDmg;
+
+  const rDAMAGEc = Math.max(0, (rDAMAGE - 0.22) / (1 - 0.22));
+
+  const rSPOT = stats.special.spb / expSpot;
+  const rFRAG = stats.special.kpb / expFrag;
+  const rDEF = stats.all.capture_points / stats.all.battles / expDef;
+  const rWIN = stats.special.winrate / expWinRate;
+
+  const rFRAGc = Math.max(
+    0,
+    Math.min(rDAMAGEc + 0.2, (rFRAG - 0.12) / (1 - 0.12)),
+  );
+  const rSPOTc = Math.max(
+    0,
+    Math.min(rDAMAGEc + 0.1, (rSPOT - 0.38) / (1 - 0.38)),
+  );
+  const rDEFc = Math.max(0, Math.min(rDAMAGEc + 0.1, (rDEF - 0.1) / (1 - 0.1)));
+
+  let rWINc =
+    0.09 +
+    0.613 * rDAMAGEc +
+    0.131 * rFRAGc * rDAMAGEc +
+    0.097 * rFRAGc * rSPOTc +
+    0.047 * rFRAGc * rDEFc;
+
+  rWINc = Math.max(0, (rWIN - 0.71) / (1 - 0.71));
+
+  const WN8 =
+    980 * rDAMAGEc +
+    210 * rDAMAGEc * rFRAGc +
+    155 * rFRAGc * rSPOTc +
+    75 * rDEFc * rFRAGc +
+    145 * Math.min(1.8, rWINc);
+
+  return WN8;
+}