Doomsday Structure

resources/lang/en.json

@@ -270,7 +270,8 @@
     "factory": "Factory",
     "airfield": "Airfield",
     "air_field": "Airfield",
-    "fighter_jet": "Fighter Jet"
+    "fighter_jet": "Fighter Jet",
+    "doomsday_device": "Doomsday Device"
   },
   "user_setting": {
     "title": "User Settings",
@@ -487,7 +488,8 @@
       "hospital": "Lowers troop casualties from combat",
       "academy": "Increases troop speed and enemy losses in combat",
       "airfield": "Send bombers, fighterjets and paratroopers",
-      "fighter_jet": "Destroys bombers and fighters jets"
+      "fighter_jet": "Destroys bombers and fighters jets",
+      "doomsday_device": "A mysterious device with unknown effects"
     },
     "not_enough_money": "Not enough money"
   },
@@ -554,9 +556,8 @@
     "reject_alliance": "Reject",
     "alliance_renewed": "Your alliance with {name} has been renewed",
     "ignore": "Ignore",
-    "paratrooper_sent": "Paratrooper"
-  },
-  "game_messages": {
+    "paratrooper_sent": "Paratrooper",
+    "doomsday_triggered": "{player}'s Doomsday Device has been Triggered!",
     "max_paratrooper_units_reached": "Maximum number of paratrooper planes reached.",
     "incoming_paratrooper_attack": "Incoming Paratrooper Attack from {attackerName}"
   },

resources/lang/tr.json

@@ -554,9 +554,7 @@
     "reject_alliance": "Reddet",
     "alliance_renewed": "{name} ile ittifakınız yenilendi",
     "ignore": "Yoksay",
-    "paratrooper_sent": "Paraşütçü"
-  },
-  "game_messages": {
+    "paratrooper_sent": "Paraşütçü",
     "max_paratrooper_units_reached": "Maksimum paraşütçü uçağı sayısına ulaşıldı.",
     "incoming_paratrooper_attack": "{attackerName} tarafından Gelen Paraşütçü Saldırısı"
   },

src/client/Utils.ts

@@ -196,6 +196,7 @@ export function getMessageTypeClasses(type: MessageType): string {
     case MessageType.WARN:
     case MessageType.PEACE_TIMER_BLOCKED:
     case MessageType.TRADE_SHIP_TURNED_AROUND:
+    case MessageType.DOOMSDAY_DEVICE_ACTIVATED:
       return severityColors["warn"];
     case MessageType.WAR_DECLARED:
       return severityColors["warn"]; // war start: highlight prominently

src/client/graphics/fx/NukeFx.ts

@@ -131,3 +131,90 @@ export function nukeFxFactory(
   }
   return nukeFx;
 }
+
+/**
+ * Slower, larger, more lingering FX for Doomsday device trigger.
+ * - Larger shockwave (longer duration)
+ * - Higher density lingering smoke/fire with longer fade
+ */
+export function doomsdayFxFactory(
+  animatedSpriteLoader: AnimatedSpriteLoader,
+  x: number,
+  y: number,
+  radius: number,
+  game: GameView,
+  scale: number = 1.2,
+): Fx[] {
+  const fx: Fx[] = [];
+  // Central sustained explosion sprite (scaled up)
+  fx.push(
+    new SpriteFx(
+      animatedSpriteLoader,
+      x,
+      y,
+      FxType.Nuke,
+      undefined,
+      undefined,
+      undefined,
+      scale,
+    ),
+  );
+  // Slower shockwave (duration 6000ms, larger reach)
+  fx.push(new ShockwaveFx(x, y, 6000, radius * 2));
+  // Lingering debris plan (higher density, longer fade via FadeFx wrapper)
+  const debrisPlan: Array<{
+    type: FxType;
+    radiusFactor: number;
+    density: number;
+    fadeIn: number;
+    fadeOut: number;
+  }> = [
+    {
+      type: FxType.MiniFire,
+      radiusFactor: 1.3,
+      density: 1 / 18,
+      fadeIn: 0.2,
+      fadeOut: 1.5,
+    },
+    {
+      type: FxType.MiniSmoke,
+      radiusFactor: 1.4,
+      density: 1 / 20,
+      fadeIn: 0.2,
+      fadeOut: 1.8,
+    },
+    {
+      type: FxType.MiniBigSmoke,
+      radiusFactor: 1.2,
+      density: 1 / 50,
+      fadeIn: 0.2,
+      fadeOut: 2.0,
+    },
+    {
+      type: FxType.MiniSmokeAndFire,
+      radiusFactor: 1.1,
+      density: 1 / 55,
+      fadeIn: 0.2,
+      fadeOut: 2.2,
+    },
+  ];
+  for (const { type, radiusFactor, density, fadeIn, fadeOut } of debrisPlan) {
+    const count = Math.max(0, Math.floor(radius * density));
+    for (let i = 0; i < count; i++) {
+      const angle = Math.random() * 2 * Math.PI;
+      const distance = Math.random() * (radius * radiusFactor);
+      const sx = Math.floor(x + Math.cos(angle) * distance * 0.5);
+      const sy = Math.floor(y + Math.sin(angle) * distance * 0.5);
+      if (game.isValidCoord(sx, sy) && game.isLand(game.ref(sx, sy))) {
+        fx.push(
+          new FadeFx(
+            new SpriteFx(animatedSpriteLoader, sx, sy, type),
+            fadeIn,
+            fadeOut,
+          ) as Fx,
+        );
+      }
+    }
+  }
+  return fx;
+}

src/client/graphics/layers/BuildMenu.ts

@@ -1,5 +1,6 @@
 import { LitElement, css, html } from "lit";
 import { customElement, property, state } from "lit/decorators.js";
+import doomsdayDeviceIcon from "../../../../proprietary/images/doomsdayicon.png";
 import researchLabIcon from "../../../../proprietary/images/researchlab.png";
 import airfieldIcon from "../../../../resources/images/AirfieldIcon.svg";
 import warshipIcon from "../../../../resources/images/BattleshipIconWhite.svg";
@@ -154,6 +155,13 @@ const buildTable: BuildItemDisplay[][] = [
       key: "unit_type.defense_post",
       countable: true,
     },
+    {
+      unitType: UnitType.DoomsdayDevice,
+      icon: doomsdayDeviceIcon,
+      description: "build_menu.desc.doomsday_device",
+      key: "unit_type.doomsday_device",
+      countable: true,
+    },
   ],
 ];
 

src/client/graphics/layers/ControlPanel2.ts

@@ -145,6 +145,7 @@
     "SAM Launcher": "/images/SamLauncherIconWhite.svg",
     "Air Field": "/images/AirfieldIcon.svg",
     "Defense Post": "/images/ShieldIconWhite.svg",
+    "Doomsday Device": "/images/Doomsdayicon.png",
   };
 
   // Per-unit icon scale used for small inline icons in this panel
@@ -159,6 +160,7 @@
     [UnitType.SAMLauncher]: 1,
     [UnitType.Airfield]: 1,
     [UnitType.DefensePost]: 1,
+    [UnitType.DoomsdayDevice]: 1,
   };
 
   private iconPixelSize(t: UnitType | null, base = 16): number {
@@ -198,6 +200,7 @@
     UnitType.Academy,
     UnitType.Factory,
     UnitType.City,
+    UnitType.DoomsdayDevice,
   ];
 
   private readonly investmentRequestHandler = (event: Event) => {
@@ -957,7 +960,7 @@
 
   private _openUnitUpgradeSettings() {
     const modal =
       (document.querySelector("unit-upgrade-settings-modal") as any) ||
       this._ensureUnitUpgradeSettingsModal();
     if (!modal) {
       console.warn(
@@ -1000,7 +1003,7 @@
 
   private _openStatistics() {
     const modal =
       (document.querySelector("statistics-modal") as any) ||
       this._ensureStatisticsModal();
     if (!modal) {
       console.warn("StatisticsModal element not found or failed to create");
@@ -1364,6 +1367,7 @@
                                 UnitType.Academy,
                                 UnitType.ResearchLab,
                                 UnitType.Factory,
+                                UnitType.DoomsdayDevice,
                               ].map((s) => {
                                 return html`
                                   <label

src/client/graphics/layers/EventsDisplay.ts

@@ -729,19 +729,7 @@ export class EventsDisplay extends LitElement implements Layer {
 
     const unitView = this.game.unit(event.unitID);
 
-    let translatedDescription = event.message;
-
-    if (event.messageType === MessageType.PARATROOPER_INBOUND) {
-      const match = event.message.match(/from (.*)/);
-      const attackerName = match ? match[1] : "Unknown Attacker";
-
-      translatedDescription = translateText(
-        "game_messages.incoming_paratrooper_attack",
-        {
-          attackerName: attackerName,
-        },
-      );
-    }
+    const translatedDescription = event.message;
 
     this.addEvent({
       description: translatedDescription,

src/client/graphics/layers/FxLayer.ts

@@ -4,7 +4,7 @@ import { GameUpdateType } from "../../../core/game/GameUpdates";
 import { GameView, UnitView } from "../../../core/game/GameView";
 import { AnimatedSpriteLoader } from "../AnimatedSpriteLoader";
 import { Fx, FxType } from "../fx/Fx";
-import { nukeFxFactory, ShockwaveFx } from "../fx/NukeFx";
+import { doomsdayFxFactory, nukeFxFactory, ShockwaveFx } from "../fx/NukeFx";
 import { SpriteFx } from "../fx/SpriteFx";
 import { UnitExplosionFx } from "../fx/UnitExplosionFx";
 import { Layer } from "./Layer";
@@ -57,6 +57,22 @@ export class FxLayer implements Layer {
           this.allFx.push(fx);
         }
       });
+
+    this.game
+      .updatesSinceLastTick()
+      ?.[GameUpdateType.DoomsdayExplosion]?.forEach((update) => {
+        const { x, y, radius } = update;
+        const doomFx = doomsdayFxFactory(
+          this.animatedSpriteLoader,
+          x,
+          y,
+          radius,
+          this.game,
+        );
+        for (const fx of doomFx) {
+          this.allFx.push(fx);
+        }
+      });
   }
 
   onUnitEvent(unit: UnitView) {

src/client/graphics/layers/StructureLayer.ts

@@ -1,6 +1,7 @@
 import { colord } from "colord";
 import * as PIXI from "pixi.js";
 import airfieldIcon from "../../../../proprietary/images/airfieldicon2.png";
+import doomsdayDeviceIcon from "../../../../proprietary/images/doomsdayicon.png";
 import researchLabIcon from "../../../../proprietary/images/researchlab.png";
 import anchorIcon from "../../../../resources/images/AnchorIcon.png";
 import academyIcon from "../../../../resources/images/buildings/academy_icon.png";
@@ -65,6 +66,7 @@ const STRUCTURE_BG_SHAPES: Partial<Record<UnitType, BgShape>> = {
   [UnitType.ResearchLab]: "square",
   [UnitType.Academy]: "square",
   [UnitType.Factory]: "circle",
+  [UnitType.DoomsdayDevice]: "square",
 };
 
 export class StructureLayer implements Layer {
@@ -114,6 +116,7 @@ export class StructureLayer implements Layer {
     [UnitType.Port, { iconPath: anchorIcon, image: null }],
     [UnitType.MissileSilo, { iconPath: missileSiloIcon, image: null }],
     [UnitType.SAMLauncher, { iconPath: SAMMissileIcon, image: null }],
+    [UnitType.DoomsdayDevice, { iconPath: doomsdayDeviceIcon, image: null }],
   ]);
 
   // Per-structure icon scale factor (1 = default size)
@@ -128,6 +131,7 @@ export class StructureLayer implements Layer {
     [UnitType.Port]: 1,
     [UnitType.MissileSilo]: 1,
     [UnitType.SAMLauncher]: 1,
+    [UnitType.DoomsdayDevice]: 1.4,
   };
 
   constructor(
@@ -727,6 +731,7 @@ export class StructureLayer implements Layer {
       UnitType.Academy,
       UnitType.ResearchLab,
       UnitType.Factory,
+      UnitType.DoomsdayDevice,
     ]);
     if (centerScaledTypes.has(structureType as UnitType)) {
       const padded = 4;

src/core/configuration/DefaultConfig.ts

@@ -818,7 +818,7 @@ export class DefaultConfig implements Config {
                   ),
                 ),
           territoryBound: true,
-          constructionDuration: this.instantBuild() ? 0 : 2 * 20,
+          constructionDuration: this.instantBuild() ? 0 : 10 * 10,
           maxHealth: 1000,
         };
       case UnitType.CargoPlane:
@@ -851,6 +851,16 @@ export class DefaultConfig implements Config {
           cost: () => 0n,
           territoryBound: false,
         };
+      case UnitType.DoomsdayDevice:
+        return {
+          cost: (p: Player) =>
+            p.type() === PlayerType.Human && this.infiniteGold()
+              ? 0n
+              : 50_000_000n,
+          territoryBound: true,
+          constructionDuration: this.instantBuild() ? 0 : 10 * 10,
+          maxHealth: 3000,
+        };
       default:
         assertNever(type);
     }

src/core/execution/AirfieldExecution.ts

@@ -150,6 +150,9 @@ export class AirfieldExecution implements Execution {
         UnitType.City,
         UnitType.Academy,
         UnitType.Hospital,
+        UnitType.DoomsdayDevice,
+        UnitType.Factory,
+        UnitType.ResearchLab,
       ])
       .filter(({ unit }) => {
         const o = mg.owner(unit.tile());
@@ -174,6 +177,9 @@ export class AirfieldExecution implements Execution {
       UnitType.City,
       UnitType.Academy,
       UnitType.Hospital,
+      UnitType.DoomsdayDevice,
+      UnitType.Factory,
+      UnitType.ResearchLab,
     ];
 
     const sortedEnemies = enemies.sort((a, b) => {

src/core/execution/ConstructionExecution.ts

@@ -18,6 +18,7 @@ import {
 } from "../game/Upgradeables";
 import { AirfieldExecution } from "./AirfieldExecution";
 import { DefensePostExecution } from "./DefensePostExecution";
+import { DoomsdayDeviceExecution } from "./DoomsdayDeviceExecution";
 import { FighterJetExecution } from "./FighterJetExecution";
 import { MirvExecution } from "./MIRVExecution";
 import { MissileSiloExecution } from "./MissileSiloExecution";
@@ -263,6 +264,9 @@ export class ConstructionExecution implements Execution {
           this.applyUpgradesIfNeeded(built, this.desiredLevel);
         }
         break;
+      case UnitType.DoomsdayDevice:
+        this.mg.addExecution(new DoomsdayDeviceExecution(player, this.tile));
+        break;
       case UnitType.Airfield:
         this.mg.addExecution(new AirfieldExecution(player, this.tile));
         break;