Add Han River flood chapter

src/game/scenes/TitleScene.ts

@@ -5,6 +5,7 @@ import {
   eighthBattleScenario,
   eighteenthBattleScenario,
   eleventhBattleScenario,
+  fortiethBattleScenario,
   fifthBattleScenario,
   fifteenthBattleScenario,
   fourteenthBattleScenario,
@@ -378,6 +379,7 @@ export class TitleScene extends Phaser.Scene {
       campaign.step === 'thirty-seventh-camp' ||
       campaign.step === 'thirty-eighth-camp' ||
       campaign.step === 'thirty-ninth-camp' ||
+      campaign.step === 'fortieth-camp' ||
       campaign.step === 'hanzhong-king-camp' ||
       campaign.step === 'shu-han-foundation-camp'
     ) {
@@ -580,6 +582,11 @@ export class TitleScene extends Phaser.Scene {
       return;
     }
 
+    if (campaign.step === 'fortieth-battle') {
+      this.scene.start('BattleScene', { battleId: fortiethBattleScenario.id });
+      return;
+    }
+
     if (campaign.step === 'first-victory-story') {
       this.scene.start('StoryScene', { pages: firstBattleVictoryPages, nextScene: 'TitleScene' });
       return;