Add campaign shell and map generation recovery

src/rules/rooms.ts

@@ -40,6 +40,18 @@ const DEFAULT_ROOM_DIMENSIONS: Record<RoomClass, { width: number; height: number
 
 const DEFAULT_DIRECTIONS = ["north", "east", "south", "west"] as const;
 
+function getDirectionSeed(roomId: string) {
+  return Array.from(roomId).reduce((total, char) => total + char.charCodeAt(0), 0);
+}
+
+function getDirectionOrder(roomId: string) {
+  const rotation = getDirectionSeed(roomId) % DEFAULT_DIRECTIONS.length;
+  return [
+    ...DEFAULT_DIRECTIONS.slice(rotation),
+    ...DEFAULT_DIRECTIONS.slice(0, rotation),
+  ];
+}
+
 function inferExitType(exitHint?: string): ExitType {
   const normalized = exitHint?.toLowerCase() ?? "";
 
@@ -91,8 +103,9 @@ function createExits(
 ): RoomExitState[] {
   const exitCount = inferExitCount(roomClass, exitHint);
   const exitType = inferExitType(exitHint);
+  const directionOrder = getDirectionOrder(roomId);
 
-  return DEFAULT_DIRECTIONS.slice(0, exitCount).map((direction, index) => ({
+  return directionOrder.slice(0, exitCount).map((direction, index) => ({
     id: `${roomId}.exit.${index + 1}`,
     direction,
     exitType,