Migrate old savegames

src/js/game/building_codes.js

@@ -86,7 +86,10 @@ export function getCodeFromBuildingData(metaBuilding, variant, rotationVariant)
     const hash = metaBuilding.getId() + "/" + variant + "/" + rotationVariant;
     const result = variantsCache.get(hash);
     if (G_IS_DEV) {
-        assertAlways(!!result, "Building not found by data: " + hash);
+        if (!result) {
+            console.warn("Known hashes:", Array.from(variantsCache.keys()));
+            assertAlways(false, "Building not found by data: " + hash);
+        }
     }
     return result;
 }

src/js/game/buildings/belt.js

@@ -16,8 +16,6 @@ export const beltOverlayMatrices = {
     [enumDirection.right]: generateMatrixRotations([0, 0, 0, 0, 1, 1, 0, 1, 0]),
 };
 
-export class MetaBeltBaseBuilding extends MetaBuilding {}
-
 export class MetaBeltBuilding extends MetaBuilding {
     constructor() {
         super("belt");

src/js/game/hud/parts/entity_debugger.js

@@ -68,6 +68,10 @@ export class HUDEntityDebugger extends BaseHUDPart {
      * @param {Array} recursion
      */
     propertyToHTML(name, val, indent = 0, recursion = []) {
+        if (indent > 20) {
+            return;
+        }
+
         if (val !== null && typeof val === "object") {
             // Array is displayed like object, with indexes
             recursion.push(val);