make NPCs less likely build boat

TODO.txt

@@ -256,10 +256,13 @@
 * make attack bonus based on current attack size DONE 12/20/2024
 * bug: ips are not stored DONE 12/20/2024
 * highlight player spawn DONE 12/21/2024
-* show players joined username in private lobby
-* make bots less likely to build ships
-* troop density affects attack bonus
+* make bots less likely to build ships DONE 12/21/2024
 * bugix: wait for css to load on front page
+
+-- v0.13.0 release
+
+* show players joined username in private lobby
+* troop density affects attack bonus
 * bug: NPCs don't have money
 * right click brings up player info menu
 * seperate server config from client config

src/core/execution/FakeHumanExecution.ts

@@ -171,6 +171,9 @@ export class FakeHumanExecution implements Execution {
     }
 
     private maybeSpawnWarship(shipType: UnitType.Destroyer | UnitType.Battleship): boolean {
+        if (!this.random.chance(10)) {
+            return false
+        }
         const ports = this.player.units(UnitType.Port)
         const ships = this.player.units(shipType)
         if (ports.length > 0 && ships.length == 0 && this.player.gold() > this.cost(shipType)) {