faster game state

webclient/src/state/worldState.ts

@@ -1,4 +1,4 @@
-import { makeAutoObservable, reaction, toJS } from "mobx";
+import { autorun, makeAutoObservable, toJS } from "mobx";
 import { WorldFactory } from "../model/worldFactory";
 import { type ObjectInstance, type ObjectType, type World, type VoxelType, type RuntimeWorld } from "../types";
 import { state } from "./rootState";
@@ -10,8 +10,32 @@ import { populateRuntimeWorld } from "../utils/runtime";
 export class WorldState {
     public data: RuntimeWorld = WorldFactory.create();
 
+    private _buildSave(): World {
+        const d = this.data;
+        return {
+            objectTypes: toJS(d.objectTypes),
+            voxelTypes: toJS(d.voxelTypes),
+            editorCamera: toJS(d.editorCamera),
+            gameRules: toJS(d.gameRules),
+            initialScene: {
+                playerObjectId: d.initialScene.playerObjectId,
+                objects: Object.fromEntries(
+                    Object.entries(d.initialScene.objects).map(([id, obj]) => [id, {
+                        id: obj.id,
+                        typeId: obj.typeId,
+                        physics: obj.physics,
+                        gravityScale: obj.gravityScale,
+                        position: toJS(obj.position),
+                        rotation: toJS(obj.rotation),
+                        scale: toJS(obj.scale),
+                    } satisfies ObjectInstance])
+                ),
+            },
+        };
+    }
+
     private startAutoSave() {
-        return reaction(() => toJS(this.data), (data) => this.saveData(data), { delay: 500 });
+        return autorun(() => WorldFactory.save(this._buildSave()), { delay: 500 });
     }
 
     private withoutAutoSave(fn: () => void) {
@@ -103,16 +127,8 @@ export class WorldState {
         state.worldEditor.resetSelection();
     }
 
-    private saveData(data: World): void {
-        console.log('Saving world...');
-        const stack = new Error('Saving world...').stack!.split('\n').slice(1);
-        const { voxelTypes: _vts, initialScene: _is, ...debug } = toJS(data);
-        console.dir({ stack, debug });
-        WorldFactory.save(toJS(this.data));
-    }
-
     public save(): void {
-        this.saveData(this.data);
+        WorldFactory.save(this._buildSave());
     }
 
     public getObjectTypeById(id: string): ObjectType | undefined {