Add air movement controls for player in App.tsx and related files

src/document/migrate-scene-document.ts

@@ -1359,6 +1359,16 @@ function readPlayerStartMovementTemplate(value: unknown, label: string) {
         `${label}.jump.variableHeight`,
         preset.jump.variableHeight
       ),
+      moveWhileJumping: readOptionalBoolean(
+        jump?.moveWhileJumping,
+        `${label}.jump.moveWhileJumping`,
+        preset.jump.moveWhileJumping
+      ),
+      moveWhileFalling: readOptionalBoolean(
+        jump?.moveWhileFalling,
+        `${label}.jump.moveWhileFalling`,
+        preset.jump.moveWhileFalling
+      ),
       maxHoldMs:
         jump?.maxHoldMs === undefined
           ? preset.jump.maxHoldMs

src/document/scene-document-validation.ts

@@ -1348,6 +1348,28 @@ function validatePlayerStartEntity(
     );
   }
 
+  if (!isBoolean(entity.movementTemplate?.jump?.moveWhileJumping)) {
+    diagnostics.push(
+      createDiagnostic(
+        "error",
+        "invalid-player-start-move-while-jumping",
+        "Player Start move while jumping setting must be a boolean.",
+        `${path}.movementTemplate.jump.moveWhileJumping`
+      )
+    );
+  }
+
+  if (!isBoolean(entity.movementTemplate?.jump?.moveWhileFalling)) {
+    diagnostics.push(
+      createDiagnostic(
+        "error",
+        "invalid-player-start-move-while-falling",
+        "Player Start move while falling setting must be a boolean.",
+        `${path}.movementTemplate.jump.moveWhileFalling`
+      )
+    );
+  }
+
   if (!isBoolean(entity.movementTemplate?.jump?.bunnyHop)) {
     diagnostics.push(
       createDiagnostic(

src/document/scene-document.ts

@@ -15,7 +15,8 @@ import {
   type WorldSettings
 } from "./world-settings";
 
-export const SCENE_DOCUMENT_VERSION = 33 as const;
+export const SCENE_DOCUMENT_VERSION = 34 as const;
+export const PLAYER_START_AIR_CONTROL_SCENE_DOCUMENT_VERSION = 34 as const;
 export const WHITEBOX_BEVEL_SCENE_DOCUMENT_VERSION = 32 as const;
 export const PLAYER_START_LOCOMOTION_CORE_SCENE_DOCUMENT_VERSION = 32 as const;
 export const PLAYER_START_MOVEMENT_TEMPLATE_SCENE_DOCUMENT_VERSION =