destroyer moves upwards

src/client/graphics/layers/UnitLayer.ts

@@ -1,7 +1,7 @@
 import { Colord } from "colord";
 import { Theme } from "../../../core/configuration/Config";
 import { Unit, UnitEvent, Cell, Game, Tile, UnitType } from "../../../core/game/Game";
-import { bfs, dist } from "../../../core/Util";
+import { bfs, dist, euclDist } from "../../../core/Util";
 import { Layer } from "./Layer";
 import { EventBus } from "../../../core/EventBus";
 
@@ -72,7 +72,13 @@ export class UnitLayer implements Layer {
     }
 
     private handleDestroyerEvent(event: UnitEvent) {
-
+        bfs(event.oldTile, euclDist(event.oldTile, 3)).forEach(t => {
+            this.clearCell(t.cell())
+        })
+        bfs(event.unit.tile(), euclDist(event.unit.tile(), 3))
+            .forEach(t => this.paintCell(t.cell(), this.theme.borderColor(event.unit.owner().info()), 255))
+        bfs(event.unit.tile(), euclDist(event.unit.tile(), 2))
+            .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 180))
     }
 
     private handleBoatEvent(event: UnitEvent) {

src/core/Util.ts

@@ -30,6 +30,10 @@ export function within(value: number, min: number, max: number): number {
     return Math.min(Math.max(value, min), max);
 }
 
+export function euclDist(root: Tile, dist: number): (tile: Tile) => boolean {
+    return (n: Tile) => euclideanDist(root.cell(), n.cell()) <= dist;
+}
+
 export function dist(root: Tile, dist: number): (tile: Tile) => boolean {
     return (n: Tile) => manhattanDist(root.cell(), n.cell()) <= dist;
 }

src/core/execution/DestroyerExecution.ts

@@ -21,7 +21,9 @@ export class DestroyerExecution implements Execution {
     tick(ticks: number): void {
         if (this.destroyer == null) {
             this.destroyer = this._owner.addUnit(UnitType.Destroyer, 0, this.mg.tile(this.cell))
+            return
         }
+        this.destroyer.move(this.destroyer.tile().neighbors()[0])
     }
 
     owner(): MutablePlayer {

src/core/execution/ExecutionManager.ts

@@ -16,6 +16,7 @@ import { EmojiExecution } from "./EmojiExecution";
 import { DonateExecution } from "./DonateExecution";
 import { NukeExecution } from "./NukeExecution";
 import { SetTargetTroopRatioExecution } from "./SetTargetTroopRatioExecution";
+import { DestroyerExecution } from "./DestroyerExecution";
 
 
 
@@ -36,50 +37,57 @@ export class Executor {
     }
 
     createExec(intent: Intent): Execution {
-        if (intent.type == "attack") {
-            const source: Cell | null = intent.sourceX != null && intent.sourceY != null ? new Cell(intent.sourceX, intent.sourceY) : null
-            const target: Cell | null = intent.targetX != null && intent.targetY != null ? new Cell(intent.targetX, intent.targetY) : null
+        switch (intent.type) {
+            case "attack": {
+                const source: Cell | null = intent.sourceX != null && intent.sourceY != null
+                    ? new Cell(intent.sourceX, intent.sourceY)
+                    : null;
+                const target: Cell | null = intent.targetX != null && intent.targetY != null
+                    ? new Cell(intent.targetX, intent.targetY)
+                    : null;
                 return new AttackExecution(
                     intent.troops,
                     intent.attackerID,
                     intent.targetID,
                     source,
                     target,
-            )
-        } else if (intent.type == "spawn") {
+                );
+            }
+            case "spawn":
                 return new SpawnExecution(
                     new PlayerInfo(sanitize(intent.name), intent.playerType, intent.clientID, intent.playerID),
                     new Cell(intent.x, intent.y)
-            )
-        } else if (intent.type == "boat") {
+                );
+            case "boat":
                 return new TransportShipExecution(
                     intent.attackerID,
                     intent.targetID,
                     new Cell(intent.x, intent.y),
                     intent.troops
-            )
-        } else if (intent.type == "allianceRequest") {
-            return new AllianceRequestExecution(intent.requestor, intent.recipient)
-        } else if (intent.type == "allianceRequestReply") {
-            return new AllianceRequestReplyExecution(intent.requestor, intent.recipient, intent.accept)
-        } else if (intent.type == "breakAlliance") {
-            return new BreakAllianceExecution(intent.requestor, intent.recipient)
-        } else if (intent.type == "targetPlayer") {
-            return new TargetPlayerExecution(intent.requestor, intent.target)
-        } else if (intent.type == "emoji") {
-            return new EmojiExecution(intent.sender, intent.recipient, intent.emoji)
-        } else if (intent.type == "donate") {
-            return new DonateExecution(intent.sender, intent.recipient, intent.troops)
-        } else if (intent.type == "nuke") {
-            return new NukeExecution(intent.sender, new Cell(intent.x, intent.y), intent.magnitude)
-        } else if (intent.type == "troop_ratio") {
-            return new SetTargetTroopRatioExecution(intent.player, intent.ratio)
-        } else {
-            throw new Error(`intent type ${intent} not found`)
+                );
+            case "allianceRequest":
+                return new AllianceRequestExecution(intent.requestor, intent.recipient);
+            case "allianceRequestReply":
+                return new AllianceRequestReplyExecution(intent.requestor, intent.recipient, intent.accept);
+            case "breakAlliance":
+                return new BreakAllianceExecution(intent.requestor, intent.recipient);
+            case "targetPlayer":
+                return new TargetPlayerExecution(intent.requestor, intent.target);
+            case "emoji":
+                return new EmojiExecution(intent.sender, intent.recipient, intent.emoji);
+            case "donate":
+                return new DonateExecution(intent.sender, intent.recipient, intent.troops);
+            case "nuke":
+                return new NukeExecution(intent.sender, new Cell(intent.x, intent.y), intent.magnitude);
+            case "troop_ratio":
+                return new SetTargetTroopRatioExecution(intent.player, intent.ratio);
+            case "create_destroyer":
+                return new DestroyerExecution(intent.player, new Cell(intent.x, intent.y))
+            default:
+                throw new Error(`intent type ${intent} not found`);
         }
     }
 
-
     spawnBots(numBots: number): Execution[] {
         return new BotSpawner(this.gs, this.gameID).spawnBots(numBots).map(i => this.createExec(i))
     }

src/core/game/Game.ts

@@ -36,7 +36,7 @@ export class Item {
 
 export const Items = {
     Nuke: new Item("Nuke", 1_000_000),
-    Destroyer: new Item("Destroyer", 100_000)
+    Destroyer: new Item("Destroyer", 10)
 } as const;
 
 export class Nation {