Fix editor regressions and add Blender scene and animated material import

engine/archive.ts

@@ -14,6 +14,9 @@ export function decodeData(uri: string) {
     throw Error("Ожидался data URI base64");
   return Uint8Array.from(atob(uri.slice(i + 1)), (c) => c.charCodeAt(0));
 }
+export function engineResource(path: string, base = typeof document === "undefined" ? undefined : document.baseURI) {
+  return base ? new URL(path.replace(/^\//, ""), base).href : path;
+}
 export async function readBytes(uri: string) {
   if (uri.startsWith("data:")) return decodeData(uri);
   const r = await fetch(uri);
@@ -57,8 +60,8 @@ export async function gameArchive(
 ) {
   const { p, files } = await pack(project, read);
   files["project.forma.json"] = strToU8(JSON.stringify(p));
-  files["player.js"] = await read("/engine/player.js");
-  files["player.css"] = await read("/engine/player.css");
+  files["player.js"] = await read(engineResource("/engine/player.js"));
+  files["player.css"] = await read(engineResource("/engine/player.css"));
   files["index.html"] = strToU8(
     '<!doctype html><html lang="ru"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover"><title>' +
       p.name.replace(/[<>&"]/g, "") +