Bomb Direction (#2435)

Resolves #2434 

## Description:

Allows bomb direction to be inverted by pressing a hotkey - currently
"U".

**Check the issue for screenshots / videos.**

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

w.o.n

---------

Co-authored-by: Evan <evanpelle@gmail.com>
Co-authored-by: iamlewis <lewismmmm@gmail.com>

src/client/graphics/layers/BuildMenu.ts

@@ -22,6 +22,7 @@ import {
 } from "../../Transport";
 import { renderNumber } from "../../Utils";
 import { TransformHandler } from "../TransformHandler";
+import { UIState } from "../UIState";
 import { Layer } from "./Layer";
 import warshipIcon from "/images/BattleshipIconWhite.svg?url";
 import cityIcon from "/images/CityIconWhite.svg?url";
@@ -125,6 +126,7 @@ export const flattenedBuildTable = buildTable.flat();
 export class BuildMenu extends LitElement implements Layer {
   public game: GameView;
   public eventBus: EventBus;
+  public uiState: UIState;
   private clickedTile: TileRef;
   public playerActions: PlayerActions | null;
   private filteredBuildTable: BuildItemDisplay[][] = buildTable;
@@ -395,7 +397,14 @@ export class BuildMenu extends LitElement implements Layer {
         ),
       );
     } else if (buildableUnit.canBuild) {
-      this.eventBus.emit(new BuildUnitIntentEvent(buildableUnit.type, tile));
+      const rocketDirectionUp =
+        buildableUnit.type === UnitType.AtomBomb ||
+        buildableUnit.type === UnitType.HydrogenBomb
+          ? this.uiState.rocketDirectionUp
+          : undefined;
+      this.eventBus.emit(
+        new BuildUnitIntentEvent(buildableUnit.type, tile, rocketDirectionUp),
+      );
     }
     this.hideMenu();
   }