Disable nukes option (#237)

This makes it possible to disable all nukes as well as missile silos
from the game in privat lobbies and singleplayer games

src/core/Schemas.ts

@@ -108,6 +108,7 @@ const GameConfigSchema = z.object({
   difficulty: z.nativeEnum(Difficulty),
   gameType: z.nativeEnum(GameType),
   disableNPCs: z.boolean(),
+  disableNukes: z.boolean(),
   bots: z.number().int().min(0).max(400),
   infiniteGold: z.boolean(),
   infiniteTroops: z.boolean(),

src/core/configuration/Config.ts

@@ -55,6 +55,7 @@ export interface Config {
   percentageTilesOwnedToWin(): number;
   numBots(): number;
   spawnNPCs(): boolean;
+  disableNukes(): boolean;
   bots(): number;
   infiniteGold(): boolean;
   infiniteTroops(): boolean;

src/core/configuration/DefaultConfig.ts

@@ -148,6 +148,9 @@ export class DefaultConfig implements Config {
   spawnNPCs(): boolean {
     return !this._gameConfig.disableNPCs;
   }
+  disableNukes(): boolean {
+    return this._gameConfig.disableNukes;
+  }
   bots(): number {
     return this._gameConfig.bots;
   }

src/core/execution/FakeHumanExecution.ts

@@ -358,12 +358,14 @@ export class FakeHumanExecution implements Execution {
     if (this.maybeSpawnWarship()) {
       return;
     }
-    this.maybeSpawnStructure(
-      UnitType.MissileSilo,
-      1,
-      (t) =>
-        new ConstructionExecution(this.player.id(), t, UnitType.MissileSilo),
-    );
+    if (!this.mg.config().disableNukes()) {
+      this.maybeSpawnStructure(
+        UnitType.MissileSilo,
+        1,
+        (t) =>
+          new ConstructionExecution(this.player.id(), t, UnitType.MissileSilo),
+      );
+    }
   }
 
   private maybeSpawnStructure(

src/core/game/PlayerImpl.ts

@@ -673,6 +673,21 @@ export class PlayerImpl implements Player {
   }
 
   canBuild(unitType: UnitType, targetTile: TileRef): TileRef | false {
+    // prevent the building of nukes and nuke related buildings
+    if (this.mg.config().disableNukes()) {
+      if (
+        unitType === UnitType.MissileSilo ||
+        unitType === UnitType.MIRV ||
+        unitType === UnitType.AtomBomb ||
+        unitType === UnitType.HydrogenBomb ||
+        unitType === UnitType.SAMLauncher ||
+        unitType === UnitType.SAMMissile ||
+        unitType === UnitType.MIRVWarhead
+      ) {
+        return false;
+      }
+    }
+
     const cost = this.mg.unitInfo(unitType).cost(this);
     if (!this.isAlive() || this.gold() < cost) {
       return false;