wip

src/core/Schemas.ts

@@ -226,11 +226,11 @@ export const SpawnIntentSchema = BaseIntentSchema.extend({
 export const BoatAttackIntentSchema = BaseIntentSchema.extend({
   type: z.literal("boat"),
   targetID: ID.nullable(),
-  troops: z.number().nullable(),
+  troops: z.number(),
   dstX: z.number(),
   dstY: z.number(),
-  srcX: z.number().nullable().optional(),
-  srcY: z.number().nullable().optional(),
+  srcX: z.number().nullable(),
+  srcY: z.number().nullable(),
 });
 
 export const AllianceRequestIntentSchema = BaseIntentSchema.extend({

src/core/execution/AttackExecution.ts

@@ -283,7 +283,7 @@ export class AttackExecution implements Execution {
       this.border.add(neighbor);
       const numOwnedByMe = this.mg
         .neighbors(neighbor)
-        .filter((t) => this.mg.owner(t) == this._owner).length;
+        .filter((t) => this.mg.owner(t) === this._owner).length;
       let mag = 0;
       switch (this.mg.terrainType(tile)) {
         case TerrainType.Plains:

src/core/execution/BotExecution.ts

@@ -33,7 +33,7 @@ export class BotExecution implements Execution {
   }
 
   tick(ticks: number) {
-    if (ticks % this.attackRate != this.attackTick) return;
+    if (ticks % this.attackRate !== this.attackTick) return;
 
     if (!this.bot.isAlive()) {
       this.active = false;

src/core/execution/DefensePostExecution.ts

@@ -16,7 +16,7 @@ export class DefensePostExecution implements Execution {
   private post: Unit | null = null;
   private active: boolean = true;
 
-  private target: Unit = null;
+  private target: Unit | null = null;
   private lastShellAttack = 0;
 
   private alreadySentShell = new Set<Unit>();
@@ -37,6 +37,8 @@ export class DefensePostExecution implements Execution {
   }
 
   private shoot() {
+    if (this.post === null) return;
+    if (this.target === null) return;
     const shellAttackRate = this.mg.config().defensePostShellAttackRate();
     if (this.mg.ticks() - this.lastShellAttack > shellAttackRate) {
       this.lastShellAttack = this.mg.ticks();
@@ -76,7 +78,7 @@ export class DefensePostExecution implements Execution {
       this.player = this.post.owner();
     }
 
-    if (this.target != null && !this.target.isActive()) {
+    if (this.target !== null && !this.target.isActive()) {
       this.target = null;
     }
 
@@ -117,7 +119,7 @@ export class DefensePostExecution implements Execution {
         return distA - distB;
       })[0]?.unit ?? null;
 
-    if (this.target == null || !this.target.isActive()) {
+    if (this.target === null || !this.target.isActive()) {
       this.target = null;
       return;
     } else {

src/core/execution/EmojiExecution.ts

@@ -42,13 +42,16 @@ export class EmojiExecution implements Execution {
 
   tick(ticks: number): void {
     const emojiString = flattenedEmojiTable.at(this.emoji);
-
-    if (this.requestor.canSendEmoji(this.recipient)) {
+    if (emojiString === undefined) {
+      consolex.warn(
+        `cannot send emoji ${this.emoji} from ${this.requestor} to ${this.recipient}`,
+      );
+    } else if (this.requestor.canSendEmoji(this.recipient)) {
       this.requestor.sendEmoji(this.recipient, emojiString);
       if (
-        emojiString == "🖕" &&
-        this.recipient != AllPlayers &&
-        this.recipient.type() == PlayerType.FakeHuman
+        emojiString === "🖕" &&
+        this.recipient !== AllPlayers &&
+        this.recipient.type() === PlayerType.FakeHuman
       ) {
         this.recipient.updateRelation(this.requestor, -100);
       }

src/core/execution/ExecutionManager.ts

@@ -1,4 +1,5 @@
 import { Execution, Game } from "../game/Game";
+import { TileRef } from "../game/GameMap";
 import { PseudoRandom } from "../PseudoRandom";
 import { ClientID, GameID, Intent, Turn } from "../Schemas";
 import { simpleHash } from "../Util";
@@ -66,8 +67,8 @@ export class Executor {
           this.mg.ref(intent.x, intent.y),
         );
       case "boat":
-        let src = null;
-        if (intent.srcX != null || intent.srcY != null) {
+        let src: TileRef | null = null;
+        if (intent.srcX !== null && intent.srcY !== null) {
           src = this.mg.ref(intent.srcX, intent.srcY);
         }
         return new TransportShipExecution(

src/core/execution/FakeHumanExecution.ts

@@ -111,11 +111,11 @@ export class FakeHumanExecution implements Execution {
   }
 
   tick(ticks: number) {
-    if (ticks % this.attackRate != this.attackTick) return;
+    if (ticks % this.attackRate !== this.attackTick) return;
 
     if (this.mg.inSpawnPhase()) {
       const rl = this.randomLand();
-      if (rl == null) {
+      if (rl === null) {
         consolex.warn(`cannot spawn ${this.nation.playerInfo.name}`);
         return;
       }
@@ -123,11 +123,11 @@ export class FakeHumanExecution implements Execution {
       return;
     }
 
-    if (this.player == null) {
-      this.player = this.mg
-        .players()
-        .find((p) => p.id() == this.nation.playerInfo.id);
-      if (this.player == null) {
+    if (this.player === null) {
+      this.player =
+        this.mg.players().find((p) => p.id() === this.nation.playerInfo.id) ??
+        null;
+      if (this.player === null) {
         return;
       }
     }
@@ -170,6 +170,9 @@ export class FakeHumanExecution implements Execution {
   }
 
   private maybeAttack() {
+    if (this.player === null || this.behavior === null) {
+      throw new Error("not initialized");
+    }
     const enemyborder = Array.from(this.player.borderTiles())
       .flatMap((t) => this.mg.neighbors(t))
       .filter(
@@ -255,6 +258,9 @@ export class FakeHumanExecution implements Execution {
   }
 
   handleEnemies() {
+    if (this.player === null || this.behavior === null) {
+      throw new Error("not initialized");
+    }
     this.behavior.forgetOldEnemies();
     this.behavior.checkIncomingAttacks();
     this.behavior.assistAllies();
@@ -270,7 +276,8 @@ export class FakeHumanExecution implements Execution {
   }
 
   private maybeSendEmoji(enemy: Player) {
-    if (enemy.type() != PlayerType.Human) return;
+    if (this.player === null) throw new Error("not initialized");
+    if (enemy.type() !== PlayerType.Human) return;
     const lastSent = this.lastEmojiSent.get(enemy) ?? -300;
     if (this.mg.ticks() - lastSent <= 300) return;
     this.lastEmojiSent.set(enemy, this.mg.ticks());
@@ -284,11 +291,12 @@ export class FakeHumanExecution implements Execution {
   }
 
   private maybeSendNuke(other: Player) {
+    if (this.player === null) throw new Error("not initialized");
     const silos = this.player.units(UnitType.MissileSilo);
     if (
-      silos.length == 0 ||
+      silos.length === 0 ||
       this.player.gold() < this.cost(UnitType.AtomBomb) ||
-      other.type() == PlayerType.Bot ||
+      other.type() === PlayerType.Bot ||
       this.player.isOnSameTeam(other)
     ) {
       return;
@@ -302,17 +310,17 @@ export class FakeHumanExecution implements Execution {
       UnitType.SAMLauncher,
     );
     const structureTiles = structures.map((u) => u.tile());
-    const randomTiles: TileRef[] = new Array(10);
+    const randomTiles: (TileRef | null)[] = new Array(10);
     for (let i = 0; i < randomTiles.length; i++) {
       randomTiles[i] = this.randTerritoryTile(other);
     }
     const allTiles = randomTiles.concat(structureTiles);
 
-    let bestTile = null;
+    let bestTile: TileRef | null = null;
     let bestValue = 0;
     this.removeOldNukeEvents();
     outer: for (const tile of new Set(allTiles)) {
-      if (tile == null) continue;
+      if (tile === null) continue;
       for (const t of this.mg.bfs(tile, manhattanDistFN(tile, 15))) {
         // Make sure we nuke at least 15 tiles in border
         if (this.mg.owner(t) !== other) {
@@ -321,12 +329,12 @@ export class FakeHumanExecution implements Execution {
       }
       if (!this.player.canBuild(UnitType.AtomBomb, tile)) continue;
       const value = this.nukeTileScore(tile, silos, structures);
-      if (value > bestTile) {
+      if (value > bestValue) {
         bestTile = tile;
         bestValue = value;
       }
     }
-    if (bestTile != null) {
+    if (bestTile !== null) {
       this.sendNuke(bestTile);
     }
   }
@@ -343,6 +351,7 @@ export class FakeHumanExecution implements Execution {
   }
 
   private sendNuke(tile: TileRef) {
+    if (this.player === null) throw new Error("not initialized");
     const tick = this.mg.ticks();
     this.lastNukeSent.push([tick, tile]);
     this.mg.addExecution(
@@ -375,7 +384,9 @@ export class FakeHumanExecution implements Execution {
 
     // Prefer tiles that are closer to a silo
     const siloTiles = silos.map((u) => u.tile());
-    const { x: closestSilo } = closestTwoTiles(this.mg, siloTiles, [tile]);
+    const result = closestTwoTiles(this.mg, siloTiles, [tile]);
+    if (result === null) throw new Error("Missing result");
+    const { x: closestSilo } = result;
     const distanceSquared = this.mg.euclideanDistSquared(tile, closestSilo);
     const distanceToClosestSilo = Math.sqrt(distanceSquared);
     tileValue -= distanceToClosestSilo * 30;
@@ -437,6 +448,7 @@ export class FakeHumanExecution implements Execution {
   }
 
   private maybeSpawnStructure(type: UnitType, maxNum: number) {
+    if (this.player === null) throw new Error("not initialized");
     const units = this.player.units(type);
     if (units.length >= maxNum) {
       return;

src/core/execution/MissileSiloExecution.ts

@@ -32,7 +32,10 @@ export class MissileSiloExecution implements Execution {
   }
 
   tick(ticks: number): void {
-    if (this.silo == null) {
+    if (this.player === null || this.mg === null) {
+      throw new Error("Not initialized");
+    }
+    if (this.silo === null) {
       const spawn = this.player.canBuild(UnitType.MissileSilo, this.tile);
       if (spawn === false) {
         consolex.warn(

src/core/execution/NukeExecution.ts

@@ -111,7 +111,7 @@ export class NukeExecution implements Execution {
       this.pathFinder.computeControlPoints(
         spawn,
         this.dst,
-        this.type != UnitType.MIRVWarhead,
+        this.type !== UnitType.MIRVWarhead,
       );
       this.nuke = this.player.buildUnit(this.type, spawn, {
         detonationDst: this.dst,

src/core/execution/SAMLauncherExecution.ts

@@ -30,7 +30,7 @@ export class SAMLauncherExecution implements Execution {
     private tile: TileRef,
     private sam: Unit | null = null,
   ) {
-    if (sam != null) {
+    if (sam !== null) {
       this.tile = sam.tile();
     }
   }
@@ -46,6 +46,7 @@ export class SAMLauncherExecution implements Execution {
   }
 
   private getSingleTarget(): Unit | null {
+    if (this.sam === null) return null;
     const nukes = this.mg
       .nearbyUnits(this.sam.tile(), this.searchRangeRadius, [
         UnitType.AtomBomb,
@@ -80,11 +81,11 @@ export class SAMLauncherExecution implements Execution {
   }
 
   private isHit(type: UnitType, random: number): boolean {
-    if (type == UnitType.AtomBomb) {
+    if (type === UnitType.AtomBomb) {
       return true;
     }
 
-    if (type == UnitType.MIRVWarhead) {
+    if (type === UnitType.MIRVWarhead) {
       return random < this.mg.config().samWarheadHittingChance();
     }
 
@@ -130,14 +131,18 @@ export class SAMLauncherExecution implements Execution {
         (unit) =>
           unit.owner() !== this.player && !this.player.isFriendly(unit.owner()),
       )
-      .filter(
-        (unit) =>
-          this.mg.manhattanDist(unit.detonationDst(), this.sam.tile()) <
-          this.MIRVWarheadProtectionRadius,
-      );
+      .filter((unit) => {
+        const dst = unit.detonationDst();
+        return (
+          this.sam !== null &&
+          dst !== null &&
+          this.mg.manhattanDist(dst, this.sam.tile()) <
+            this.MIRVWarheadProtectionRadius
+        );
+      });
 
     let target: Unit | null = null;
-    if (mirvWarheadTargets.length == 0) {
+    if (mirvWarheadTargets.length === 0) {
       target = this.getSingleTarget();
     }
 
@@ -155,7 +160,8 @@ export class SAMLauncherExecution implements Execution {
     ) {
       this.sam.setCooldown(true);
       const type =
-        mirvWarheadTargets.length > 0 ? UnitType.MIRVWarhead : target.type();
+        mirvWarheadTargets.length > 0 ? UnitType.MIRVWarhead : target?.type();
+      if (type === undefined) throw new Error("Unknown unit type");
       const random = this.pseudoRandom.next();
       const hit = this.isHit(type, random);
       if (!hit) {
@@ -174,7 +180,7 @@ export class SAMLauncherExecution implements Execution {
           );
           // Delete warheads
           mirvWarheadTargets.forEach((u) => u.delete());
-        } else {
+        } else if (target !== null) {
           target.setTargetedBySAM(true);
           this.mg.addExecution(
             new SAMMissileExecution(
@@ -184,6 +190,8 @@ export class SAMLauncherExecution implements Execution {
               target,
             ),
           );
+        } else {
+          throw new Error("target is null");
         }
       }
     }

src/core/execution/ShellExecution.ts

@@ -6,7 +6,7 @@ import { PseudoRandom } from "../PseudoRandom";
 export class ShellExecution implements Execution {
   private active = true;
   private pathFinder: AirPathFinder;
-  private shell: Unit;
+  private shell: Unit | undefined;
   private mg: Game;
   private destroyAtTick: number = -1;
 
@@ -23,7 +23,7 @@ export class ShellExecution implements Execution {
   }
 
   tick(ticks: number): void {
-    if (this.shell == null) {
+    if (this.shell === undefined) {
       this.shell = this._owner.buildUnit(UnitType.Shell, this.spawn, {});
     }
     if (!this.shell.isActive()) {
@@ -40,7 +40,7 @@ export class ShellExecution implements Execution {
       return;
     }
 
-    if (this.destroyAtTick == -1 && !this.ownerUnit.isActive()) {
+    if (this.destroyAtTick === -1 && !this.ownerUnit.isActive()) {
       this.destroyAtTick = this.mg.ticks() + this.mg.config().shellLifetime();
     }
 
@@ -61,8 +61,8 @@ export class ShellExecution implements Execution {
   }
 
   private effectOnTarget(): number {
-    const baseDamage: number = this.mg.config().unitInfo(UnitType.Shell).damage;
-    return baseDamage;
+    const { damage } = this.mg.config().unitInfo(UnitType.Shell);
+    return damage ?? 0;
   }
 
   isActive(): boolean {

src/core/execution/TradeShipExecution.ts

@@ -59,7 +59,7 @@ export class TradeShipExecution implements Execution {
       return;
     }
 
-    if (this.origOwner != this.tradeShip.owner()) {
+    if (this.origOwner !== this.tradeShip.owner()) {
       // Store as variable in case ship is recaptured by previous owner
       this.wasCaptured = true;
     }

src/core/execution/TransportShipExecution.ts

@@ -39,7 +39,7 @@ export class TransportShipExecution implements Execution {
     private attackerID: PlayerID,
     private targetID: PlayerID | null,
     private ref: TileRef,
-    private troops: number | null,
+    private troops: number,
     private src: TileRef | null,
   ) {}
 
@@ -120,19 +120,19 @@ export class TransportShipExecution implements Execution {
       UnitType.TransportShip,
       this.dst,
     );
-    if (closestTileSrc == false) {
+    if (closestTileSrc === false) {
       consolex.warn(`can't build transport ship`);
       this.active = false;
       return;
     }
 
-    if (this.src == null) {
+    if (this.src === null) {
       // Only update the src if it's not already set
       // because we assume that the src is set to the best spawn tile
       this.src = closestTileSrc;
     } else {
       if (
-        this.mg.owner(this.src) != this.attacker ||
+        this.mg.owner(this.src) !== this.attacker ||
         !this.mg.isShore(this.src)
       ) {
         console.warn(

src/core/execution/WinCheckExecution.ts

@@ -79,7 +79,7 @@ export class WinCheckExecution implements Execution {
       this.mg.numLandTiles() - this.mg.numTilesWithFallout();
     const percentage = (max[1] / numTilesWithoutFallout) * 100;
     if (percentage > this.mg.config().percentageTilesOwnedToWin()) {
-      if (max[0] == ColoredTeams.Bot) return;
+      if (max[0] === ColoredTeams.Bot) return;
       this.mg.setWinner(max[0], this.mg.stats().stats());
       console.log(`${max[0]} has won the game`);
       this.active = false;

src/core/execution/utils/BotBehavior.ts

@@ -111,8 +111,8 @@ export class BotBehavior {
 
     // Select the most hated player
     if (this.enemy === null) {
-      const mostHated = this.player.allRelationsSorted()[0] ?? null;
-      if (mostHated != null && mostHated.relation === Relation.Hostile) {
+      const mostHated = this.player.allRelationsSorted()[0];
+      if (mostHated !== undefined && mostHated.relation === Relation.Hostile) {
         this.enemy = mostHated.player;
         this.enemyUpdated = this.game.ticks();
       }
@@ -137,7 +137,7 @@ export class BotBehavior {
       for (const neighbor of this.random.shuffleArray(neighbors)) {
         if (!neighbor.isPlayer()) continue;
         if (this.player.isFriendly(neighbor)) continue;
-        if (neighbor.type() == PlayerType.FakeHuman) {
+        if (neighbor.type() === PlayerType.FakeHuman) {
           if (this.random.chance(2)) {
             continue;
           }

src/core/game/PlayerImpl.ts

@@ -762,6 +762,7 @@ export class PlayerImpl implements Player {
       case UnitType.MIRVWarhead:
         return targetTile;
       case UnitType.Port:
+        if (validTiles === null) throw new Error("validTiles is required");
         return this.portSpawn(targetTile, validTiles);
       case UnitType.Warship:
         return this.warshipSpawn(targetTile);

src/core/game/UnitImpl.ts

@@ -16,13 +16,12 @@ import { PlayerImpl } from "./PlayerImpl";
 export class UnitImpl implements Unit {
   private _active = true;
   private _health: bigint;
-  private _lastTile: TileRef = null;
-  private _target: Unit = null;
-  private _moveTarget: TileRef = null;
+  private _lastTile: TileRef;
+  private _moveTarget: TileRef | null = null;
   private _targetedBySAM = false;
   private _safeFromPiratesCooldown: number; // Only for trade ships
   private _lastSetSafeFromPirates: number; // Only for trade ships
-  private _constructionType: UnitType = undefined;
+  private _constructionType: UnitType | undefined;
 
   private _troops: number;
   private _cooldownTick: Tick | null = null;
@@ -45,12 +44,14 @@ export class UnitImpl implements Unit {
       .config()
       .safeFromPiratesCooldownMax();
 
-    this._troops = "troops" in params ? params.troops : 0;
-    this._dstPort = "dstPort" in params ? params.dstPort : null;
+    this._troops = "troops" in params ? (params.troops ?? 0) : 0;
+    this._dstPort = "dstPort" in params ? params.dstPort : undefined;
     this._cooldownDuration =
-      "cooldownDuration" in params ? params.cooldownDuration : null;
+      "cooldownDuration" in params ? params.cooldownDuration : undefined;
     this._lastSetSafeFromPirates =
-      "lastSetSafeFromPirates" in params ? params.lastSetSafeFromPirates : 0;
+      "lastSetSafeFromPirates" in params
+        ? (params.lastSetSafeFromPirates ?? 0)
+        : 0;
   }
 
   id() {
@@ -93,7 +94,7 @@ export class UnitImpl implements Unit {
   }
 
   move(tile: TileRef): void {
-    if (tile == null) {
+    if (tile === null) {
       throw new Error("tile cannot be null");
     }
     this.mg.removeUnit(this);
@@ -112,7 +113,7 @@ export class UnitImpl implements Unit {
     return Number(this._health);
   }
   hasHealth(): boolean {
-    return this.info().maxHealth != undefined;
+    return this.info().maxHealth !== undefined;
   }
   tile(): TileRef {
     return this._tile;
@@ -127,7 +128,7 @@ export class UnitImpl implements Unit {
 
   setOwner(newOwner: Player): void {
     const oldOwner = this._owner;
-    oldOwner._units = oldOwner._units.filter((u) => u != this);
+    oldOwner._units = oldOwner._units.filter((u) => u !== this);
     this._owner = newOwner as PlayerImpl;
     this.mg.addUpdate(this.toUpdate());
     this.mg.displayMessage(
@@ -149,11 +150,11 @@ export class UnitImpl implements Unit {
     if (!this.isActive()) {
       throw new Error(`cannot delete ${this} not active`);
     }
-    this._owner._units = this._owner._units.filter((b) => b != this);
+    this._owner._units = this._owner._units.filter((b) => b !== this);
     this._active = false;
     this.mg.addUpdate(this.toUpdate());
     this.mg.removeUnit(this);
-    if (displayMessage && this.type() != UnitType.MIRVWarhead) {
+    if (displayMessage && this.type() !== UnitType.MIRVWarhead) {
       this.mg.displayMessage(
         `Your ${this.type()} was destroyed`,
         MessageType.ERROR,
@@ -166,14 +167,14 @@ export class UnitImpl implements Unit {
   }
 
   constructionType(): UnitType | null {
-    if (this.type() != UnitType.Construction) {
+    if (this.type() !== UnitType.Construction) {
       throw new Error(`Cannot get construction type on ${this.type()}`);
     }
     return this._constructionType ?? null;
   }
 
   setConstructionType(type: UnitType): void {
-    if (this.type() != UnitType.Construction) {
+    if (this.type() !== UnitType.Construction) {
       throw new Error(`Cannot set construction type on ${this.type()}`);
     }
     this._constructionType = type;