code organization

packages/core/package.json

@@ -25,7 +25,6 @@
     "dedent": "^1.7.1",
     "mitt": "^3.0.1",
     "nanoid": "^5.1.6",
-    "zod": "^4.3.5",
-    "zustand": "^5.0.10"
+    "zod": "^4.3.5"
   }
 }

packages/core/src/index.ts

@@ -1,5 +1,5 @@
 // Store
-export { default as useScene } from "./store/useScene";
+export { default as useScene } from "./store/use-scene";
 
 // Hooks
 export {
@@ -8,7 +8,7 @@ export {
 } from "./hooks/scene-registry/scene-registry";
 
 // Systems
-export { LevelSystem } from "./systems/level/level-system";
+export { LevelSystem } from "../../viewer/src/systems/level/level-system";
 export { WallSystem } from "./systems/wall/wall-system";
 
 // Events

packages/core/src/store/use-scene.ts

@@ -20,9 +20,6 @@ type SceneState = {
   loadScene: () => void;
   markDirty: (id: AnyNodeId) => void;
   clearDirty: (id: AnyNodeId) => void;
-
-  levelMode: "stacked" | "exploded" | "solo" | "manual";
-  setLevelMode: (mode: "stacked" | "exploded" | "solo" | "manual") => void;
 };
 
 const useScene = create<SceneState>()((set, get) => ({
@@ -117,9 +114,6 @@ const useScene = create<SceneState>()((set, get) => ({
   clearDirty: (id) => {
     get().dirtyNodes.delete(id);
   },
-
-  levelMode: "exploded",
-  setLevelMode: (mode) => set({ levelMode: mode }),
 }));
 
 useScene.getState().loadScene();

packages/core/src/systems/level/level-system.tsx

@@ -1,25 +0,0 @@
-import { useFrame } from "@react-three/fiber";
-import { lerp } from "three/src/math/MathUtils.js";
-import { sceneRegistry } from "../../hooks/scene-registry/scene-registry";
-import { LevelNode } from "../../schema";
-import useScene from "../../store/useScene";
-
-const LEVEL_HEIGHT = 2.5;
-const EXPLODED_GAP = 5;
-
-export const LevelSystem = () => {
-  useFrame((_, delta) => {
-    const levelMode = useScene.getState().levelMode;
-    sceneRegistry.byType.level.forEach((levelId) => {
-      const obj = sceneRegistry.nodes.get(levelId);
-      if (obj) {
-        const level = useScene.getState().nodes[levelId as LevelNode["id"]];
-        const targetY =
-          ((level as any).level || 0) *
-          (LEVEL_HEIGHT + (levelMode === "stacked" ? 0 : EXPLODED_GAP));
-        obj.position.y = lerp(obj.position.y, targetY, delta * 3);
-      }
-    });
-  });
-  return null;
-};

packages/core/src/systems/wall/wall-system.tsx

@@ -2,7 +2,7 @@ import { useFrame } from "@react-three/fiber";
 import * as THREE from "three";
 import { sceneRegistry } from "../../hooks/scene-registry/scene-registry";
 import { AnyNode, WallNode } from "../../schema";
-import useScene from "../../store/useScene";
+import useScene from "../../store/use-scene";
 
 export const WallSystem = () => {
   const { nodes, dirtyNodes, clearDirty } = useScene();

packages/core/tsconfig.json

@@ -4,6 +4,6 @@
     "outDir": "dist",
     "rootDir": "src"
   },
-  "include": ["src"],
+  "include": ["src", "../viewer/src/systems/level"],
   "exclude": ["node_modules", "dist"]
 }