UPDATE: Update howto, fix bug bytes humman format

.gitignore

@@ -3,6 +3,7 @@ bin
 tests/
 server/
 proxy/
+proto/
 temp/
 frontend/dist
 frontend/node_modules

Makefile

@@ -0,0 +1,7 @@
+PROTO_SRC=./proto
+GEN_DEST=./pkg
+
+build_proto:
+	@echo Compiling Protobuf files...
+	protoc --go_out=${GEN_DEST} --go-grpc_out=${GEN_DEST} ${PROTO_SRC}/*.proto
+	@echo Done!

build/darwin/Info.dev.plist

@@ -6,7 +6,7 @@
         <key>CFBundleName</key>
         <string>Firefly Launcher</string>
         <key>CFBundleExecutable</key>
-        <string>Firefly Launcher</string>
+        <string>firefly-launcher</string>
         <key>CFBundleIdentifier</key>
         <string>com.fireflyshelter.fireflylauncher</string>
         <key>CFBundleVersion</key>

build/darwin/Info.plist

@@ -6,7 +6,7 @@
         <key>CFBundleName</key>
         <string>Firefly Launcher</string>
         <key>CFBundleExecutable</key>
-        <string>Firefly Launcher</string>
+        <string>firefly-launcher</string>
         <key>CFBundleIdentifier</key>
         <string>com.fireflyshelter.fireflylauncher</string>
         <key>CFBundleVersion</key>

build/linux/nfpm/nfpm.yaml

@@ -3,7 +3,7 @@
 #
 # The lines below are called `modelines`. See `:help modeline`
 
-name: "Firefly Launcher"
+name: "firefly-launcher"
 arch: ${GOARCH}
 platform: "linux"
 version: "0.1.0"
@@ -17,12 +17,12 @@ license: "MIT"
 release: "1"
 
 contents:
-  - src: "./bin/Firefly Launcher"
-    dst: "/usr/local/bin/Firefly Launcher"
+  - src: "./bin/firefly-launcher"
+    dst: "/usr/local/bin/firefly-launcher"
   - src: "./build/appicon.png"
-    dst: "/usr/share/icons/hicolor/128x128/apps/Firefly Launcher.png"
-  - src: "./build/linux/Firefly Launcher.desktop"
-    dst: "/usr/share/applications/Firefly Launcher.desktop"
+    dst: "/usr/share/icons/hicolor/128x128/apps/firefly-launcher.png"
+  - src: "./build/linux/firefly-launcher.desktop"
+    dst: "/usr/share/applications/firefly-launcher.desktop"
 
 depends:
   - gtk3

build/windows/wails.exe.manifest

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
     <assemblyIdentity type="win32" name="com.fireflyshelter.fireflylauncher" version="0.1.0" processorArchitecture="*"/>
-    
     <dependency>
         <dependentAssembly>
             <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
         </dependentAssembly>
     </dependency>
 
+    <!-- Yêu cầu quyền admin -->
     <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
         <security>
             <requestedPrivileges>

frontend/bindings/firefly-launcher/internal/app-service/appservice.js

@@ -0,0 +1,22 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {number} timeout
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function CloseAppAfterTimeout(timeout) {
+    return $Call.ByID(1705931481, timeout);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function GetCurrentLauncherVersion() {
+    return $Call.ByID(3575133982);
+}

frontend/bindings/firefly-launcher/internal/app-service/index.js

@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as AppService from "./appservice.js";
+export {
+    AppService
+};

frontend/bindings/firefly-launcher/internal/appservice.js

@@ -1,24 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {number} timeout
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function CloseAppAfterTimeout(timeout) {
-    let $resultPromise = /** @type {any} */($Call.ByID(982751559, timeout));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function GetCurrentLauncherVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(2542090372));
-    return $resultPromise;
-}

frontend/bindings/firefly-launcher/internal/diff-service/diffservice.js

@@ -0,0 +1,65 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function CheckTypeHDiff(patchPath) {
+    return $Call.ByID(3717449114, patchPath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function CutData(gamePath) {
+    return $Call.ByID(2019290107, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DataExtract(gamePath, patchPath) {
+    return $Call.ByID(2161622254, gamePath, patchPath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DeleteFiles(gamePath) {
+    return $Call.ByID(1103091613, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function HDiffPatchData(gamePath) {
+    return $Call.ByID(3944051994, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function LDiffPatchData(gamePath) {
+    return $Call.ByID(360123238, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function VersionValidate(gamePath, patchPath) {
+    return $Call.ByID(2105077257, gamePath, patchPath);
+}

frontend/bindings/firefly-launcher/internal/diff-service/index.js

@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as DiffService from "./diffservice.js";
+export {
+    DiffService
+};

frontend/bindings/firefly-launcher/internal/fs-service/fsservice.js

@@ -0,0 +1,71 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function DirExists(path) {
+    return $Call.ByID(1772289644, path);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function FileExists(path) {
+    return $Call.ByID(1782610747, path);
+}
+
+/**
+ * @param {string} archivePath
+ * @param {string} fileInside
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function FileExistsInZip(archivePath, fileInside) {
+    return $Call.ByID(2509699047, archivePath, fileInside);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function OpenFolder(path) {
+    return $Call.ByID(1635714001, path);
+}
+
+/**
+ * @param {string} filter
+ * @returns {$CancellablePromise<string>}
+ */
+export function PickFile(filter) {
+    return $Call.ByID(3756474934, filter);
+}
+
+/**
+ * @returns {$CancellablePromise<string>}
+ */
+export function PickFolder() {
+    return $Call.ByID(3654471460);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function StartApp(path) {
+    return $Call.ByID(1267568402, path);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function StartWithConsole(path) {
+    return $Call.ByID(3249271428, path);
+}

frontend/bindings/firefly-launcher/internal/fs-service/index.js

@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as FSService from "./fsservice.js";
+export {
+    FSService
+};

frontend/bindings/firefly-launcher/internal/fsservice.js

@@ -1,78 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function DirExists(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1291974398, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function FileExists(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3373618865, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} archivePath
- * @param {string} fileInside
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function FileExistsInZip(archivePath, fileInside) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1737012553, archivePath, fileInside));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function OpenFolder(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2733319263, path));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<string> & { cancel(): void }}
- */
-export function PickFile() {
-    let $resultPromise = /** @type {any} */($Call.ByID(2181012076));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<string> & { cancel(): void }}
- */
-export function PickFolder() {
-    let $resultPromise = /** @type {any} */($Call.ByID(3906046322));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function StartApp(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3825990132, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function StartWithConsole(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2364569062, path));
-    return $resultPromise;
-}

frontend/bindings/firefly-launcher/internal/git-service/gitservice.js

@@ -0,0 +1,66 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DownloadProxyProgress(version) {
+    return $Call.ByID(3559275334, version);
+}
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DownloadServerProgress(version) {
+    return $Call.ByID(1954767259, version);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestLauncherVersion() {
+    return $Call.ByID(262637602);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestProxyVersion() {
+    return $Call.ByID(289488362);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestServerVersion() {
+    return $Call.ByID(2918980975);
+}
+
+/**
+ * @returns {$CancellablePromise<void>}
+ */
+export function UnzipProxy() {
+    return $Call.ByID(2563246729);
+}
+
+/**
+ * @returns {$CancellablePromise<void>}
+ */
+export function UnzipServer() {
+    return $Call.ByID(1126363284);
+}
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function UpdateLauncherProgress(version) {
+    return $Call.ByID(97272861, version);
+}

frontend/bindings/firefly-launcher/internal/git-service/index.js

@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as GitService from "./gitservice.js";
+export {
+    GitService
+};

frontend/bindings/firefly-launcher/internal/gitservice.js

@@ -1,74 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DownloadProxyProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1951249093, version));
-    return $resultPromise;
-}
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DownloadServerProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(314135954, version));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestLauncherVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(3191972855));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestProxyVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(1462362449));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestServerVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(1447982978));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<void> & { cancel(): void }}
- */
-export function UnzipProxy() {
-    let $resultPromise = /** @type {any} */($Call.ByID(4071181044));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<void> & { cancel(): void }}
- */
-export function UnzipServer() {
-    let $resultPromise = /** @type {any} */($Call.ByID(4110296071));
-    return $resultPromise;
-}
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function UpdateLauncherProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2648938152, version));
-    return $resultPromise;
-}

frontend/bindings/firefly-launcher/internal/hdiffzservice.js

@@ -1,54 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function CutData(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3671642725, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @param {string} patchPath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DataExtract(gamePath, patchPath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1843136452, gamePath, patchPath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DeleteFiles(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(989019003, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function PatchData(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3608591627, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @param {string} patchPath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function VersionValidate(gamePath, patchPath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3916254383, gamePath, patchPath));
-    return $resultPromise;
-}

frontend/bindings/firefly-launcher/internal/index.js

@@ -1,16 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-import * as AppService from "./appservice.js";
-import * as FSService from "./fsservice.js";
-import * as GitService from "./gitservice.js";
-import * as HdiffzService from "./hdiffzservice.js";
-import * as LanguageService from "./languageservice.js";
-export {
-    AppService,
-    FSService,
-    GitService,
-    HdiffzService,
-    LanguageService
-};

frontend/bindings/firefly-launcher/internal/language-service/index.js

@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as LanguageService from "./languageservice.js";
+export {
+    LanguageService
+};

frontend/bindings/firefly-launcher/internal/language-service/languageservice.js

@@ -4,24 +4,22 @@
 
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
 
 /**
  * @param {string} path
- * @returns {Promise<[string, string]> & { cancel(): void }}
+ * @returns {$CancellablePromise<[boolean, string, string, string]>}
  */
 export function GetLanguage(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3450750492, path));
-    return $resultPromise;
+    return $Call.ByID(3574191687, path);
 }
 
 /**
  * @param {string} path
  * @param {string} text
  * @param {string} voice
- * @returns {Promise<boolean> & { cancel(): void }}
+ * @returns {$CancellablePromise<[boolean, string]>}
  */
 export function SetLanguage(path, text, voice) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2793672496, path, text, voice));
-    return $resultPromise;
+    return $Call.ByID(2768939795, path, text, voice);
 }

frontend/package.json

@@ -11,33 +11,33 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@tailwindcss/vite": "^4.1.11",
-    "@tanstack/react-router": "^1.124.0",
-    "@tanstack/react-router-devtools": "^1.124.0",
-    "lucide-react": "^0.525.0",
-    "motion": "^12.23.0",
+    "@tailwindcss/vite": "^4.1.12",
+    "@tanstack/react-router": "^1.131.27",
+    "@tanstack/react-router-devtools": "^1.131.27",
+    "lucide-react": "^0.541.0",
+    "motion": "^12.23.12",
     "path-browserify": "^1.0.1",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1",
     "react-toastify": "^11.0.5",
-    "tailwindcss": "^4.1.11",
-    "zustand": "^5.0.6"
+    "tailwindcss": "^4.1.12",
+    "zustand": "^5.0.8"
   },
   "devDependencies": {
-    "@tanstack/router-plugin": "^1.124.0",
-    "@types/node": "^24.0.10",
+    "@tanstack/router-plugin": "^1.131.27",
+    "@types/node": "^24.3.0",
     "@types/path-browserify": "^1.0.3",
-    "@types/react": "^18.2.43",
-    "@types/react-dom": "^18.2.17",
-    "@typescript-eslint/eslint-plugin": "^6.14.0",
-    "@typescript-eslint/parser": "^6.14.0",
-    "@vitejs/plugin-react": "^4.2.1",
+    "@types/react": "^19.1.11",
+    "@types/react-dom": "^19.1.7",
+    "@typescript-eslint/eslint-plugin": "^8.40.0",
+    "@typescript-eslint/parser": "^8.40.0",
+    "@vitejs/plugin-react": "^5.0.1",
     "@wailsio/runtime": "^3.0.0-alpha.66",
-    "daisyui": "^5.0.43",
-    "eslint": "^8.55.0",
-    "eslint-plugin-react-hooks": "^4.6.0",
-    "eslint-plugin-react-refresh": "^0.4.5",
-    "typescript": "^5.2.2",
-    "vite": "^5.0.8"
+    "daisyui": "^5.0.50",
+    "eslint": "^9.34.0",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-refresh": "^0.4.20",
+    "typescript": "^5.9.2",
+    "vite": "^7.1.3"
   }
 }

frontend/src/helper/launcher.ts

@@ -1,7 +1,8 @@
 import useLauncherStore from "@/stores/launcherStore";
-import { AppService, GitService } from "@bindings/firefly-launcher/internal";
+import { AppService,  } from "@bindings/firefly-launcher/internal/app-service";
 import { toast } from "react-toastify";
 import { sleep } from "./sleep";
+import { GitService } from "@bindings/firefly-launcher/internal/git-service";
 
 export async function CheckUpdateLauncher(): Promise<{ isUpdate: boolean; isExists: boolean; version: string }> {
     const [currentOk, currentVersion] = await AppService.GetCurrentLauncherVersion()

frontend/src/helper/proxy.ts

@@ -1,6 +1,7 @@
 import useLauncherStore from "@/stores/launcherStore";
 import useSettingStore from "@/stores/settingStore";
-import { FSService, GitService } from "@bindings/firefly-launcher/internal";
+import { FSService } from "@bindings/firefly-launcher/internal/fs-service";
+import { GitService } from "@bindings/firefly-launcher/internal/git-service";
 import { toast } from "react-toastify";
 
 export async function CheckUpdateProxy(proxyPath: string, proxyVersion: string) : Promise<{isUpdate: boolean, isExists: boolean, version: string}> {

frontend/src/helper/server.ts

@@ -1,6 +1,7 @@
 import useLauncherStore from '@/stores/launcherStore';
 import useSettingStore from '@/stores/settingStore';
-import { FSService, GitService } from '@bindings/firefly-launcher/internal';
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service';
+import { GitService } from '@bindings/firefly-launcher/internal/git-service';
 import { toast } from 'react-toastify';
 
 export async function CheckUpdateServer(

frontend/src/hooks/useGlobalEvents.tsx

@@ -12,6 +12,7 @@ export function useGlobalEvents({
     setProgressDownload,
     setDownloadSpeed,
     setMessageUpdate,
+    setStageType,
 
 }: {
     setGameRunning: (v: boolean) => void;
@@ -20,8 +21,9 @@ export function useGlobalEvents({
     setProgressUpdate: (v: number) => void;
     setMaxProgressUpdate: (v: number) => void;
     setProgressDownload: (v: number) => void;
-    setDownloadSpeed: (v: number) => void;
+    setDownloadSpeed: (v: string) => void;
     setMessageUpdate: (v: string) => void;
+    setStageType: (v: string) => void,
 }) {
     useEffect(() => {
         const onGameExit = () => setGameRunning(false);
@@ -31,7 +33,7 @@ export function useGlobalEvents({
         const onDownload = (event: any) => {
             const { percent, speed } = event.data[0];
             setProgressDownload(Number(percent));
-            setDownloadSpeed(Number(speed));
+            setDownloadSpeed(speed);
         };
 
         const onUpdateProgress = (event: any) => {
@@ -45,14 +47,20 @@ export function useGlobalEvents({
             setMessageUpdate(message);
         };
 
+        const onStageUpdate = (event: any) => {
+            const { stage } = event.data[0];
+            setStageType(stage);
+        };
+
         Events.On("download:server", onDownload);
         Events.On("download:proxy", onDownload);
         Events.On("game:exit", onGameExit);
         Events.On("server:exit", onServerExit);
         Events.On("proxy:exit", onProxyExit);
-        Events.On("hdiffz:progress", onUpdateProgress);
-        Events.On("hdiffz:message", onMessageUpdate);
-        Events.On("hdiffz:error", (event: any) => {
+        Events.On("diff:progress", onUpdateProgress);
+        Events.On("diff:message", onMessageUpdate);
+        Events.On("diff:stage", onStageUpdate);
+        Events.On("diff:error", (event: any) => {
             const { message } = event.data[0];
             toast.error(message);
         });
@@ -63,8 +71,9 @@ export function useGlobalEvents({
             Events.Off("game:exit");
             Events.Off("server:exit");
             Events.Off("proxy:exit");
-            Events.Off("hdiffz:progress");
-            Events.Off("hdiffz:message");
+            Events.Off("diff:progress")
+            Events.Off("diff:message");
+            Events.Off("diff:stage");
             Events.Off("version:check");
         };
     }, []);

frontend/src/main.tsx

@@ -4,20 +4,15 @@ import { RouterProvider, createRouter } from '@tanstack/react-router'
 import './styles/index.css'
 import "../runtime.js"
 import "@wailsio/runtime";
-// Import the generated route tree
 import { routeTree } from './routeTree.gen.js'
 
-// Create a new router instance
 const router = createRouter({ routeTree })
-
-// Register the router instance for type safety
 declare module '@tanstack/react-router' {
   interface Register {
     router: typeof router
   }
 }
 
-// Render the app
 const rootElement = document.getElementById('root')!
 if (!rootElement.innerHTML) {
   const root = ReactDOM.createRoot(rootElement)

frontend/src/pages/about/index.tsx

@@ -3,7 +3,7 @@ import { Link } from "@tanstack/react-router";
 export default function AboutPage() {
     return (
       <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-        <div className="max-w-3xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-6">
+        <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-6">
           <h1 className="text-4xl font-bold text-primary text-center">About</h1>
   
           <div className="space-y-4">

frontend/src/pages/analysis/index.tsx

@@ -3,7 +3,7 @@ import { Link } from '@tanstack/react-router';
 export default function AnalysisPage() {
     return (
         <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-            <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+            <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
                 <h1 className="text-4xl font-bold text-primary text-center">
                     Firefly Analysis & Veritas Plugin
                 </h1>
@@ -144,7 +144,7 @@ export default function AnalysisPage() {
                             <div className="space-y-2 text-purple-700">
                                 <div className="flex items-start gap-2">
                                     <span className="font-medium min-w-[20px] text-purple-600">1.</span>
-                                    <p>Launch the <span className="font-semibold">game</span> and your <span className="font-semibold">Firefly Private Server (PS)</span>.</p>
+                                    <p>Launch the <span className="font-semibold">game</span> and your <span className="font-semibold">Firefly GO Server (PS)</span>.</p>
                                 </div>
                                 <div className="flex items-start gap-2">
                                     <span className="font-medium min-w-[20px] text-purple-600">2.</span>

frontend/src/pages/diff/index.tsx

@@ -2,11 +2,12 @@ import useSettingStore from "@/stores/settingStore"
 import { Check, Folder, File, X, Settings } from "lucide-react"
 import { useEffect } from "react"
 import { toast } from "react-toastify"
-import { FSService, HdiffzService} from "@bindings/firefly-launcher/internal"
+import { DiffService} from "@bindings/firefly-launcher/internal/diff-service"
+import { FSService } from "@bindings/firefly-launcher/internal/fs-service"
 import { motion } from "motion/react"
-import useHdiffzStore from "@/stores/hdiffzStore"
+import useDiffStore from "@/stores/diffStore"
 
-export default function HdiffzPage() {
+export default function DiffPage() {
     const { gameDir, setGameDir } = useSettingStore()
     const { 
         isLoading, 
@@ -27,7 +28,7 @@ export default function HdiffzPage() {
         setStageType,
         messageUpdate,
         setMessageUpdate
-    } = useHdiffzStore()
+    } = useDiffStore()
 
     useEffect(() => {
         const getLanguage = async () => {
@@ -78,7 +79,7 @@ export default function HdiffzPage() {
     const handlePickDiffFile = async () => {
         try {
             setIsLoading({game: false, diff: true})
-            const basePath = await FSService.PickFile()
+            const basePath = await FSService.PickFile("")
             if (basePath) {
                 if (!basePath.endsWith(".7z") && !basePath.endsWith(".zip") && !basePath.endsWith(".rar")) {
                     toast.error('Not valid file type')
@@ -86,13 +87,6 @@ export default function HdiffzPage() {
                     setDiffDir('')
                     return
                 }
-                const [exists, error] = await FSService.FileExistsInZip(basePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
-                if (!exists) {
-                    toast.error(error)
-                    setDiffCheckResult('error')
-                    setDiffDir('')
-                    return
-                }
                 setDiffDir(basePath)
                 setDiffCheckResult('success')
             } else {
@@ -109,66 +103,79 @@ export default function HdiffzPage() {
     }
 
     const handleUpdateGame = async () => {
+        const handleResult = (ok: boolean, error: string) => {
+            if (!ok) {
+                toast.error(error)
+                return false
+            }
+            return true
+        }
+    
         try {
             setIsDiffLoading(true)
+    
             if (!gameDir || !diffDir) {
                 toast.error('Please select game directory and diff file')
-                setIsDiffLoading(false)
                 return
             }
+    
+            setStageType('Check Type HDiff')
+            setProgressUpdate(0)
+            setMaxProgressUpdate(1)
+    
+            const [isOk, validType, errorType] = await DiffService.CheckTypeHDiff(diffDir)
+            if (!handleResult(isOk, errorType)) return
+            setProgressUpdate(1)
+    
+            if (['hdiffmap.json', 'hdifffiles.txt', 'hdifffiles.json'].includes(validType)) {
                 setStageType('Version Validate')
                 setProgressUpdate(0)
                 setMaxProgressUpdate(1)
-            const [validVersion, errorVersion] = await HdiffzService.VersionValidate(gameDir, diffDir)
-            if (!validVersion) {
-                toast.error(errorVersion)
-                setIsDiffLoading(false)
-                return
-            }
+                const [validVersion, errorVersion] = await DiffService.VersionValidate(gameDir, diffDir)
+                if (!handleResult(validVersion, errorVersion)) return
                 setProgressUpdate(1)
+            }
 
             setStageType('Data Extract')
-            const [validData, errorData] = await HdiffzService.DataExtract(gameDir, diffDir)
-            if (!validData) {
-                toast.error(errorData)
-                setIsDiffLoading(false)
-                return
-            }
+            const [validData, errorData] = await DiffService.DataExtract(gameDir, diffDir)
+            if (!handleResult(validData, errorData)) return
     
             setStageType('Cut Data')
             setMessageUpdate('')
-            const [validCut, errorCut] = await HdiffzService.CutData(gameDir)
-            if (!validCut) {
-                toast.error(errorCut)
-                setIsDiffLoading(false)
-                return
-            }
+            const [validCut, errorCut] = await DiffService.CutData(gameDir)
+            if (!handleResult(validCut, errorCut)) return
     
+            switch (validType) {
+                case 'hdifffiles.txt':
+                case 'hdiffmap.json':
+                case 'hdifffiles.json': {
                     setStageType('Patch Data')
-            const [validPatch, errorPatch] = await HdiffzService.PatchData(gameDir)
-            if (!validPatch) {
-                toast.error(errorPatch)
-                setIsDiffLoading(false)
-                return
-            }
+                    const [validPatch, errorPatch] = await DiffService.HDiffPatchData(gameDir)
+                    if (!handleResult(validPatch, errorPatch)) return
     
                     setStageType('Delete old files')
-            const [validDelete, errorDelete] = await HdiffzService.DeleteFiles(gameDir)
-            if (!validDelete) {
-                toast.error(errorDelete)
-                setIsDiffLoading(false)
-                return
+                    const [validDelete, errorDelete] = await DiffService.DeleteFiles(gameDir)
+                    if (!handleResult(validDelete, errorDelete)) return
+                    break
                 }
+                case 'manifest': {
+                    setStageType('Patch Data')
+                    const [validPatch, errorPatch] = await DiffService.LDiffPatchData(gameDir)
+                    if (!handleResult(validPatch, errorPatch)) return
+                    break
+                }
+            }
+    
             toast.success('Update game completed')
         } catch (err: any) {
             console.error(err)
-            toast.error('PickFile error:', err)
-            setIsDiffLoading(false)
+            toast.error(`PickFile error: ${err}`)
         } finally {
             setIsDiffLoading(false)
         }
     }
     
+
     return (
         <div className="p-2 mx-4">
             <div className="max-w-4xl mx-auto">

frontend/src/pages/fireflytools/index.tsx

@@ -1,23 +1,23 @@
 import { Link } from "@tanstack/react-router";
 
-export default function SrToolsPage() {
+export default function FireflyToolsPage() {
   return (
       <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-          <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
-              <h1 className="text-4xl font-bold text-primary text-center">SR Tools</h1>
+          <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+              <h1 className="text-4xl font-bold text-primary text-center">Firefly Tools</h1>
 
               {/* Section 1: About SR Tools */}
               <div className="bg-blue-50 border-l-4 border-blue-400 p-6 rounded-r-lg">
                   <h2 className="text-2xl font-bold text-blue-800 flex items-center gap-2 mb-4">
                       <span>ℹ️</span>
-                      <span>About SR Tools</span>
+                      <span>About Firefly Tools</span>
                   </h2>
                   <div className="space-y-3 text-blue-700">
                       <div className="flex items-start gap-3">
                           <div className="text-blue-600 text-lg">🏠</div>
                           <p>
                             This site is a another version of {" "}
-                            <span className="font-semibold text-success">SR Tools {" "}</span>
+                            <span className="font-semibold text-success">Firefly Tools {" "}</span>
                             developed by {" "}
                             <span className="font-semibold text-warning">Me {"(Kain)"}</span>
                           </p>
@@ -95,9 +95,24 @@ export default function SrToolsPage() {
                       </div>
                       <div className="flex items-start gap-3">
                           <div className="text-green-600 text-lg">🔌</div>
-                          <p>Instantly apply setups to <span className="font-semibold text-warning">Firefly Private Server</span> using <span className="font-semibold">Connect PS</span> — no manual file uploads required.</p>
+                          <p>Instantly apply setups to <span className="font-semibold text-warning">Firefly GO Server</span> using <span className="font-semibold">Connect PS</span> — no manual file uploads required.</p>
                       </div>
                       <div className="flex items-start gap-3">
+  <div className="text-green-600 text-2xl">✨</div>
+  <div>
+    <h4 className="font-semibold text-green-800 text-lg">Extra Settings</h4>
+    <p className="text-green-700 mt-1">
+      Enhance your <span className="font-semibold text-warning">Firefly GO Server</span> experience with extra features:
+    </p>
+    <ul className="list-disc list-inside mt-2 space-y-1 text-green-700">
+      <li>🎭 <span className="font-medium">Hidden Game UI</span> — remove the entire game interface.</li>
+      <li>🚫 <span className="font-medium">Disable Censorship</span> — get rid of Lens Flare censor 💀.</li>
+      <li>🧪 <span className="font-medium">Theorycraft Mode</span> — configure HP, cycles, and more via the web.</li>
+    </ul>
+  </div>
+</div>
+
+                      <div className="flex items-start gap-3">
                           <div className="text-green-600 text-lg">📂</div>
                           <p>Export and import full builds using <code className="bg-gray-200 px-2 py-1 rounded text-sm">freesr-data.json</code>.</p>
                       </div>

frontend/src/pages/howto/index.tsx

@@ -3,7 +3,7 @@ import { Link } from '@tanstack/react-router';
 export default function HowToPage() {
     return (
         <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-            <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+            <div className=" w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
                 <h1 className="text-4xl font-bold text-primary text-center">How to Use</h1>
 
                 {/* Section 1: Launcher Features */}
@@ -28,13 +28,23 @@ export default function HowToPage() {
                             </p>
                         </div>
                         <div className="flex items-start gap-3">
-                            <div className="text-green-600 text-lg">📦</div>
-                            <p>Patch and update game files using{" "}
-                                <a href="/hdiff" className="link link-info font-mono">Hdiffz Tool</a>
-                                {" "}(HDiffPatch) — fast & lightweight incremental updates.
+                            <div className="text-green-600 text-2xl">📦</div>
+                            <div>
+                                <p className="text-green-800 font-semibold">
+                                    Patch & Update Game Files
+                                </p>
+                                <p className="text-green-700">
+                                    Use the{" "}
+                                    <a href="/diff" className="link link-info font-mono">Diff Tool</a>{" "}
+                                    (<span className="font-medium">DiffPatch</span>) for fast & lightweight incremental updates.
+                                </p>
+                                <p className="text-green-700 mt-1">
+                                    Supports <span className="font-semibold">Hdiff</span>, <span className="font-semibold">Ldiff</span>, and custom diff formats.
                                 </p>
                             </div>
                         </div>
+
+                    </div>
                 </div>
 
                 {/* Section 2: FireflyGo Commands */}
@@ -65,8 +75,60 @@ export default function HowToPage() {
                         </div>
                     </div>
 
+                    <div className="bg-white border border-blue-200 rounded-lg p-4">
+                        <div className="flex items-start gap-3">
+                            <div className="text-blue-600 text-lg">✨</div>
+                            <div className="flex-1">
+                                <h4 className="font-semibold text-blue-800 mb-1">Extra Settings</h4>
+
+                                <div className="space-y-4 text-blue-700 text-sm">
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🎭 Hidden UI
+                                        </h5>
+                                        <p className="mt-1">
+                                            Instantly hides the entire game UI — often used in DIM showcase videos.
+                                        </p>
+                                    </div>
+
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🚫 Disable Censorship
+                                        </h5>
+                                        <p className="mt-1">
+                                            Remove the Lens Flare censor effect 💀 for a cleaner experience.
+                                        </p>
+                                    </div>
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🧪 Theorycraft Mode
+                                        </h5>
+                                        <p className="mt-1">
+                                            No need to type chat commands anymore — configure everything through the
+                                            web: adjust monster HP, set cycles, view logs, and more.
+                                        </p>
+                                    </div>
+                                </div>
+
+
+                                <div className="mt-4 aspect-w-16 aspect-h-9">
+                                    <iframe
+                                        src="https://www.youtube.com/embed/uiKdFrvn9NQ"
+                                        title="Extra Settings Tutorial"
+                                        allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                                        allowFullScreen
+                                        className="rounded-lg w-full h-[300px]"
+                                    ></iframe>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
                     {/* Commands List */}
-                    <div className="space-y-4">
+                    <div className="space-y-4 mt-4">
                         <h3 className="text-lg font-semibold text-blue-800">Available Commands:</h3>
 
                         {/* Theorycraft Toggle */}
@@ -103,16 +165,28 @@ export default function HowToPage() {
                             <div className="flex items-start gap-3">
                                 <div className="text-blue-600 text-lg">❤️</div>
                                 <div className="flex-1">
-                                    <h4 className="font-semibold text-blue-800 mb-1">HP Override <span className="text-red-600 text-sm">(Theorycraft only)</span></h4>
-                                    <div className="space-y-1 text-blue-700">
-                                        <p><code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp WAVE HP</code> — Set monster HP for a specific wave</p>
-                                        <p className="text-sm">Example: <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 1 2000000</code> sets Wave 1 monster HP to 2,000,000</p>
-                                        <p className="text-sm"><code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 0</code> disables HP override</p>
+                                    <h4 className="font-semibold text-blue-800 mb-1">
+                                        HP Override <span className="text-red-600 text-sm">(Theorycraft only)</span>
+                                    </h4>
+                                    <div className="space-y-2 text-blue-700 text-sm">
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp N</code> — Set monster HP (only available in Theorycraft mode)
+                                        </p>
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 0</code> — Disable the set HP feature
+                                        </p>
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp Wave V1 V2 ...</code> — Set HP for each monster in a specific wave
+                                        </p>
+                                        <p className="ml-4">
+                                            Example: <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 1 2000000 3000000</code> sets wave 1 monster1 HP=2,000,000 and monster2 HP=3,000,000
+                                        </p>
                                     </div>
                                 </div>
                             </div>
                         </div>
 
+
                         {/* Log Command */}
                         <div className="bg-white border border-blue-200 rounded-lg p-4">
                             <div className="flex items-start gap-3">

frontend/src/pages/language/index.tsx

@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react'
 import { Folder, Settings, Check, X, Globe, Mic } from 'lucide-react'
-import { FSService } from '@bindings/firefly-launcher/internal'
-import { LanguageService } from '@bindings/firefly-launcher/internal'
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service'
+import { LanguageService } from '@bindings/firefly-launcher/internal/language-service'
 import { toast } from 'react-toastify'
 import useSettingStore from '@/stores/settingStore'
 
@@ -27,28 +27,42 @@ export default function LanguagePage() {
 
     useEffect(() => {
         const getLanguage = async () => {
-            if (gameDir) {
-                const subPath = 'StarRail_Data/StreamingAssets/DesignData/Windows'
+            if (!gameDir) return
+
+            const subPath = "StarRail_Data/StreamingAssets"
             const fullPath = `${gameDir}/${subPath}`
 
             const exists = await FSService.DirExists(fullPath)
-                if (exists) {
-                    const [textLang, voiceLang] = await LanguageService.GetLanguage(fullPath)
+            if (!exists) {
+                setTextLang("")
+                setVoiceLang("")
+                setSelectedTextLang("")
+                setSelectedVoiceLang("")
+                setFolderCheckResult("error")
+                setGameDir("")
+                return
+            }
+
+            const [ok, textLang, voiceLang, err] = await LanguageService.GetLanguage(fullPath)
+            if (!ok) {
+                setTextLang("")
+                setVoiceLang("")
+                setSelectedTextLang("")
+                setSelectedVoiceLang("")
+                setFolderCheckResult("error")
+                setGameDir("")
+                toast.error(err)
+                return
+            }
+
+            // success
             setTextLang(textLang)
             setVoiceLang(voiceLang)
-                    setFolderCheckResult('success')
+            setFolderCheckResult("success")
             setSelectedTextLang(textLang)
             setSelectedVoiceLang(voiceLang)
-                } else {
-                    setTextLang('')
-                    setVoiceLang('')
-                    setSelectedTextLang('')
-                    setSelectedVoiceLang('')
-                    setFolderCheckResult('error')
-                    setGameDir('')
-                }
-            }
         }
+
         getLanguage()
     }, [gameDir])
 
@@ -86,18 +100,18 @@ export default function LanguagePage() {
         }
         try {
             setIsSettingLanguage(true)
-            const result = await LanguageService.SetLanguage(
+            const [ok, err] = await LanguageService.SetLanguage(
                 `${gameDir}/StarRail_Data/StreamingAssets/DesignData/Windows`,
                 selectedTextLang,
                 selectedVoiceLang
             )
-           if (result) {
+            if (ok) {
                 toast.success('Language set successfully')
                 setTextLang(selectedTextLang)
                 setVoiceLang(selectedVoiceLang)
             }
             else {
-            toast.error('Language set failed')
+                toast.error(err)
             }
 
         } catch (err: any) {

frontend/src/pages/launcher/index.tsx

@@ -1,6 +1,7 @@
 import { useEffect } from 'react';
 import { Play, Menu, FolderOpen, MessageCircleQuestionMark } from 'lucide-react';
-import { FSService, AppService } from '@bindings/firefly-launcher/internal';
+import { AppService } from '@bindings/firefly-launcher/internal/app-service';
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service';
 import { toast } from 'react-toastify';
 import path from 'path-browserify'
 import useSettingStore from '@/stores/settingStore';
@@ -120,7 +121,7 @@ export default function LauncherPage() {
     const handlePickFile = async () => {
         try {
             setIsLoading(true)
-            const basePath = await FSService.PickFile()
+            const basePath = await FSService.PickFile("exe")
             if (basePath.endsWith("StarRail.exe") || basePath.endsWith("launcher.exe")) {
                 const normalized = basePath.replace(/\\/g, '/')
                 const folderPath = path.dirname(normalized)
@@ -404,7 +405,7 @@ export default function LauncherPage() {
                         <div className="flex justify-center items-center text-sm text-white/80">
                             <span>{downloadType}</span>
                             <div className="flex items-center gap-4 ml-4">
-                                <span className="text-cyan-400 font-semibold">{downloadSpeed.toFixed(1)} MB/s</span>
+                                <span className="text-cyan-400 font-semibold">{downloadSpeed}</span>
                                 <span className="text-white font-bold">{progressDownload.toFixed(1)}%</span>
                             </div>
                         </div>
@@ -413,7 +414,7 @@ export default function LauncherPage() {
                                 className="h-full bg-gradient-to-r from-cyan-400 to-blue-500 rounded-full"
                                 initial={{ width: 0 }}
                                 animate={{ width: `${progressDownload}%` }}
-                                transition={{ duration: 0.3 }}
+                                transition={{ type: "tween", ease: "linear", duration: 0.03 }}
                             />
                         </div>
                         <div className="text-center text-xs text-white/60">

frontend/src/routeTree.gen.ts

@@ -12,7 +12,7 @@ import { Route as rootRouteImport } from './routes/__root'
 import { Route as SrtoolsRouteImport } from './routes/srtools'
 import { Route as LanguageRouteImport } from './routes/language'
 import { Route as HowtoRouteImport } from './routes/howto'
-import { Route as HdiffzRouteImport } from './routes/hdiffz'
+import { Route as DiffRouteImport } from './routes/diff'
 import { Route as AnalysisRouteImport } from './routes/analysis'
 import { Route as AboutRouteImport } from './routes/about'
 import { Route as IndexRouteImport } from './routes/index'
@@ -32,9 +32,9 @@ const HowtoRoute = HowtoRouteImport.update({
   path: '/howto',
   getParentRoute: () => rootRouteImport,
 } as any)
-const HdiffzRoute = HdiffzRouteImport.update({
-  id: '/hdiffz',
-  path: '/hdiffz',
+const DiffRoute = DiffRouteImport.update({
+  id: '/diff',
+  path: '/diff',
   getParentRoute: () => rootRouteImport,
 } as any)
 const AnalysisRoute = AnalysisRouteImport.update({
@@ -57,7 +57,7 @@ export interface FileRoutesByFullPath {
   '/': typeof IndexRoute
   '/about': typeof AboutRoute
   '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
   '/howto': typeof HowtoRoute
   '/language': typeof LanguageRoute
   '/srtools': typeof SrtoolsRoute
@@ -66,7 +66,7 @@ export interface FileRoutesByTo {
   '/': typeof IndexRoute
   '/about': typeof AboutRoute
   '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
   '/howto': typeof HowtoRoute
   '/language': typeof LanguageRoute
   '/srtools': typeof SrtoolsRoute
@@ -76,7 +76,7 @@ export interface FileRoutesById {
   '/': typeof IndexRoute
   '/about': typeof AboutRoute
   '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
   '/howto': typeof HowtoRoute
   '/language': typeof LanguageRoute
   '/srtools': typeof SrtoolsRoute
@@ -87,7 +87,7 @@ export interface FileRouteTypes {
     | '/'
     | '/about'
     | '/analysis'
-    | '/hdiffz'
+    | '/diff'
     | '/howto'
     | '/language'
     | '/srtools'
@@ -96,7 +96,7 @@ export interface FileRouteTypes {
     | '/'
     | '/about'
     | '/analysis'
-    | '/hdiffz'
+    | '/diff'
     | '/howto'
     | '/language'
     | '/srtools'
@@ -105,7 +105,7 @@ export interface FileRouteTypes {
     | '/'
     | '/about'
     | '/analysis'
-    | '/hdiffz'
+    | '/diff'
     | '/howto'
     | '/language'
     | '/srtools'
@@ -115,7 +115,7 @@ export interface RootRouteChildren {
   IndexRoute: typeof IndexRoute
   AboutRoute: typeof AboutRoute
   AnalysisRoute: typeof AnalysisRoute
-  HdiffzRoute: typeof HdiffzRoute
+  DiffRoute: typeof DiffRoute
   HowtoRoute: typeof HowtoRoute
   LanguageRoute: typeof LanguageRoute
   SrtoolsRoute: typeof SrtoolsRoute
@@ -144,11 +144,11 @@ declare module '@tanstack/react-router' {
       preLoaderRoute: typeof HowtoRouteImport
       parentRoute: typeof rootRouteImport
     }
-    '/hdiffz': {
-      id: '/hdiffz'
-      path: '/hdiffz'
-      fullPath: '/hdiffz'
-      preLoaderRoute: typeof HdiffzRouteImport
+    '/diff': {
+      id: '/diff'
+      path: '/diff'
+      fullPath: '/diff'
+      preLoaderRoute: typeof DiffRouteImport
       parentRoute: typeof rootRouteImport
     }
     '/analysis': {
@@ -179,7 +179,7 @@ const rootRouteChildren: RootRouteChildren = {
   IndexRoute: IndexRoute,
   AboutRoute: AboutRoute,
   AnalysisRoute: AnalysisRoute,
-  HdiffzRoute: HdiffzRoute,
+  DiffRoute: DiffRoute,
   HowtoRoute: HowtoRoute,
   LanguageRoute: LanguageRoute,
   SrtoolsRoute: SrtoolsRoute,

frontend/src/routes/__root.tsx

@@ -3,7 +3,7 @@ import ThemeController from '../components/themeController'
 import { ToastContainer } from 'react-toastify'
 import { useGlobalEvents } from '@/hooks';
 import useLauncherStore from '@/stores/launcherStore';
-import useHdiffzStore from '@/stores/hdiffzStore';
+import useDiffStore from '@/stores/diffStore';
 
 export const Route = createRootRoute({
     component: RootLayout
@@ -11,7 +11,7 @@ export const Route = createRootRoute({
 
 function RootLayout() {
     const { setGameRunning, setServerRunning, setProxyRunning, setProgressDownload, setDownloadSpeed } = useLauncherStore()
-    const { setProgressUpdate, setMaxProgressUpdate, setMessageUpdate } = useHdiffzStore()
+    const { setProgressUpdate, setMaxProgressUpdate, setMessageUpdate, setStageType } = useDiffStore()
     useGlobalEvents({
         setGameRunning,
         setServerRunning,
@@ -21,6 +21,7 @@ function RootLayout() {
         setProgressDownload,
         setDownloadSpeed,
         setMessageUpdate,
+        setStageType
     });
 
     return (
@@ -40,7 +41,7 @@ function RootLayout() {
                                 <a>Tools</a>
                                 <ul className="p-2">
                                     <li><Link to="/language">Language</Link></li>
-                                    <li><Link to="/hdiffz">Hdiffz</Link></li>
+                                    <li><Link to="/diff">Diff</Link></li>
                                 </ul>
                             </li>
                             <li>
@@ -70,14 +71,14 @@ function RootLayout() {
                     </Link>
                 </div>
                 <div className="navbar-center hidden md:flex">
-                    <ul className="menu menu-horizontal px-1">
+                    <ul className="menu menu-horizontal px-1 gap-4">
                         <li><Link to="/">Home</Link></li>
                         <li>
                             <details>
                                 <summary>Tools</summary>
                                 <ul className="p-2">
                                     <li><Link to="/language">Language</Link></li>
-                                    <li><Link to="/hdiffz">Hdiffz</Link></li>
+                                    <li><Link to="/diff">Diff</Link></li>
                                 </ul>
                             </details>
                         </li>
@@ -86,7 +87,7 @@ function RootLayout() {
                                 <summary>Plugins</summary>
                                 <ul className="p-2">
                                     <li><Link to="/analysis">Analysis (Veritas)</Link></li>
-                                    <li><Link to="/srtools">SrTools</Link></li>
+                                    <li><Link to="/srtools">Firefly Tools</Link></li>
                                 </ul>
                             </details>
                         </li>

frontend/src/routes/diff.tsx

@@ -0,0 +1,7 @@
+import DiffPage from '@/pages/diff'
+import { createFileRoute } from '@tanstack/react-router'
+
+export const Route = createFileRoute('/diff')({
+  component: DiffPage,
+})
+

frontend/src/routes/hdiffz.tsx

@@ -1,7 +0,0 @@
-import HdiffzPage from '@/pages/hdiffz'
-import { createFileRoute } from '@tanstack/react-router'
-
-export const Route = createFileRoute('/hdiffz')({
-  component: HdiffzPage,
-})
-

frontend/src/routes/srtools.tsx

@@ -1,8 +1,8 @@
-import SrToolsPage from '@/pages/srtools'
+import FireflyToolsPage from '@/pages/fireflytools'
 import { createFileRoute } from '@tanstack/react-router'
 
 export const Route = createFileRoute('/srtools')({
-  component: SrToolsPage,
+  component: FireflyToolsPage,
 })
 
 

frontend/src/stores/diffStore.ts

@@ -1,7 +1,7 @@
 
 import { create } from 'zustand'
 
-interface LauncherState {
+interface DiffState {
     folderCheckResult: 'success' | 'error' | null,
     isLoading: {game: boolean, diff: boolean},
     diffDir: string,
@@ -22,7 +22,7 @@ interface LauncherState {
     setStageType: (value: string) => void,
 }
 
-const useLauncherStore = create<LauncherState>((set, get) => ({
+const useDiffStore = create<DiffState>((set, get) => ({
     isLoading: {game: false, diff: false},
     folderCheckResult: null,
     diffDir: "",
@@ -43,4 +43,4 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
     setStageType: (value: string) => set({ stageType: value }),
 }));
 
-export default useLauncherStore;
+export default useDiffStore;

frontend/src/stores/launcherStore.ts

@@ -11,7 +11,7 @@ interface LauncherState {
     isLoading: boolean;
     gameRunning: boolean;
     progressDownload: number;
-    downloadSpeed: number;
+    downloadSpeed: string;
     launcherVersion: string;
     updateData: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>;
     setDownloadType: (value: string) => void;
@@ -24,7 +24,7 @@ interface LauncherState {
     setGameRunning: (value: boolean) => void;
     setProgressDownload: (value: number) => void;
     setLauncherVersion: (value: string) => void;
-    setDownloadSpeed: (value: number) => void;
+    setDownloadSpeed: (value: string) => void;
     setUpdateData: (value: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>) => void;
 }
 
@@ -38,7 +38,7 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
     proxyRunning: false,
     gameRunning: false,
     progressDownload: 0,
-    downloadSpeed: 0,
+    downloadSpeed: "",
     launcherVersion: "",
     updateData: {
         server: { isUpdate: false, isExists: false, version: "" },
@@ -55,7 +55,7 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
     setGameRunning: (value: boolean) => set({ gameRunning: value }),
     setProgressDownload: (value: number) => set({ progressDownload: value }),
     setLauncherVersion: (value: string) => set({ launcherVersion: value }),
-    setDownloadSpeed: (value: number) => set({ downloadSpeed: value }),
+    setDownloadSpeed: (value: string) => set({ downloadSpeed: value }),
     setUpdateData: (value: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>) => set({ updateData: value }),
 }));
 

go.mod

@@ -1,57 +1,58 @@
 module firefly-launcher
 
-go 1.22.4
-
-toolchain go1.24.4
+go 1.25
 
 require (
-	github.com/wailsapp/wails/v3 v3.0.0-alpha.9
-	golang.org/x/sys v0.28.0
+	github.com/wailsapp/wails/v3 v3.0.0-alpha.26
+	golang.org/x/sys v0.35.0
 )
 
-require aead.dev/minisign v0.2.0 // indirect
+require (
+	aead.dev/minisign v0.3.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	golang.org/x/crypto v0.41.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+)
 
 require (
-	dario.cat/mergo v1.0.1 // indirect
-	github.com/Microsoft/go-winio v0.6.1 // indirect
-	github.com/ProtonMail/go-crypto v1.0.0 // indirect
-	github.com/adrg/xdg v0.5.0 // indirect
+	dario.cat/mergo v1.0.2 // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/ProtonMail/go-crypto v1.3.0 // indirect
+	github.com/adrg/xdg v0.5.3 // indirect
 	github.com/bep/debounce v1.2.1 // indirect
-	github.com/cloudflare/circl v1.3.8 // indirect
-	github.com/cyphar/filepath-securejoin v0.2.5 // indirect
-	github.com/ebitengine/purego v0.4.0-alpha.4 // indirect
+	github.com/cloudflare/circl v1.6.1 // indirect
+	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
-	github.com/go-git/go-billy/v5 v5.6.0 // indirect
-	github.com/go-git/go-git/v5 v5.12.0 // indirect
+	github.com/go-git/go-billy/v5 v5.6.2 // indirect
+	github.com/go-git/go-git/v5 v5.16.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/google/uuid v1.4.0 // indirect
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
-	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
-	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1 // indirect
+	github.com/kevinburke/ssh_config v1.4.0 // indirect
+	github.com/klauspost/compress v1.18.0
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
-	github.com/leaanthony/u v1.1.0 // indirect
-	github.com/lmittmann/tint v1.0.4 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/leaanthony/u v1.1.1 // indirect
+	github.com/lmittmann/tint v1.1.2 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/minio/selfupdate v0.6.0
-	github.com/pjbgf/sha1cd v0.3.0 // indirect
-	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 // indirect
+	github.com/pjbgf/sha1cd v0.4.0 // indirect
+	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/samber/lo v1.38.1 // indirect
-	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
-	github.com/skeema/knownhosts v1.2.2 // indirect
-	github.com/wailsapp/go-webview2 v1.0.19 // indirect
+	github.com/samber/lo v1.51.0 // indirect
+	github.com/sergi/go-diff v1.4.0 // indirect
+	github.com/skeema/knownhosts v1.3.1 // indirect
+	github.com/wailsapp/go-webview2 v1.0.21 // indirect
 	github.com/wailsapp/mimetype v1.4.1 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.25.0 // indirect
-	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
-	golang.org/x/mod v0.19.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/sync v0.9.0 // indirect
-	golang.org/x/tools v0.23.0 // indirect
+	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b
+	golang.org/x/net v0.43.0 // indirect
+	google.golang.org/protobuf v1.36.8
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )

go.sum

@@ -1,61 +1,62 @@
-aead.dev/minisign v0.2.0 h1:kAWrq/hBRu4AARY6AlciO83xhNnW9UaC8YipS2uhLPk=
 aead.dev/minisign v0.2.0/go.mod h1:zdq6LdSd9TbuSxchxwhpA9zEb9YXcVGoE8JakuiGaIQ=
-dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
-dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+aead.dev/minisign v0.3.0 h1:8Xafzy5PEVZqYDNP60yJHARlW1eOQtsKNp/Ph2c0vRA=
+aead.dev/minisign v0.3.0/go.mod h1:NLvG3Uoq3skkRMDuc3YHpWUTMTrSExqm+Ij73W13F6Y=
+dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
+dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
-github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
-github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
-github.com/ProtonMail/go-crypto v1.0.0 h1:LRuvITjQWX+WIfr930YHG2HNfjR1uOfyf5vE0kC2U78=
-github.com/ProtonMail/go-crypto v1.0.0/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0=
-github.com/adrg/xdg v0.5.0 h1:dDaZvhMXatArP1NPHhnfaQUqWBLBsmx1h1HXQdMoFCY=
-github.com/adrg/xdg v0.5.0/go.mod h1:dDdY4M4DF9Rjy4kHPeNL+ilVF+p2lK8IdM9/rTSGcI4=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/ProtonMail/go-crypto v1.3.0 h1:ILq8+Sf5If5DCpHQp4PbZdS1J7HDFRXz/+xKBiRGFrw=
+github.com/ProtonMail/go-crypto v1.3.0/go.mod h1:9whxjD8Rbs29b4XWbB8irEcE8KHMqaR2e7GWU1R+/PE=
+github.com/adrg/xdg v0.5.3 h1:xRnxJXne7+oWDatRhR1JLnvuccuIeCoBu2rtuLqQB78=
+github.com/adrg/xdg v0.5.3/go.mod h1:nlTsY+NNiCBGCK2tpm09vRqfVzrc2fLmXGpBLF0zlTQ=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/bep/debounce v1.2.1 h1:v67fRdBA9UQu2NhLFXrSg0Brw7CexQekrBwDMM8bzeY=
 github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
-github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
-github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA=
-github.com/cloudflare/circl v1.3.8 h1:j+V8jJt09PoeMFIu2uh5JUyEaIHTXVOHslFoLNAKqwI=
-github.com/cloudflare/circl v1.3.8/go.mod h1:PDRU+oXvdD7KCtgKxW95M5Z8BpSCJXQORiZFnBQS5QU=
-github.com/cyphar/filepath-securejoin v0.2.5 h1:6iR5tXJ/e6tJZzzdMc1km3Sa7RRIVBKAK32O2s7AYfo=
-github.com/cyphar/filepath-securejoin v0.2.5/go.mod h1:aPGpWjXOXUn2NCNjFvBE6aRxGGx79pTxQpKOJNYHHl4=
+github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
+github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
+github.com/cyphar/filepath-securejoin v0.4.1 h1:JyxxyPEaktOD+GAnqIqTf9A8tHyAG22rowi7HkoSU1s=
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-github.com/wailsapp/wails/v3 v3.0.0-alpha.9 h1:b8CfRrhPno8Fra0xFp4Ifyj+ogmXBc35rsQWvcrHtsI=
-github.com/wailsapp/wails/v3 v3.0.0-alpha.9/go.mod h1:dSv6s722nSWaUyUiapAM1DHc5HKggNGY1a79shO85/g=
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 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
 github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
-golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
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-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
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 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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-golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
+golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20200810151505-1b9f1253b3ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -153,42 +135,22 @@ golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210228012217-479acdf4ea46/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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internal/app-service/app.go

@@ -1,4 +1,4 @@
-package internal
+package appService
 
 import (
 	"firefly-launcher/pkg/constant"

internal/diff-service/hdiffz.go

@@ -0,0 +1,259 @@
+package diffService
+
+import (
+	"bufio"
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/hpatchz"
+	"firefly-launcher/pkg/models"
+	"firefly-launcher/pkg/sevenzip"
+	"firefly-launcher/pkg/verifier"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+type DiffService struct{}
+
+func (h *DiffService) CheckTypeHDiff(patchPath string) (bool, string, string) {
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdifffiles.txt"); err == nil && ok {
+		return true, "hdifffiles.txt", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdifffiles.txt"); err == nil && ok {
+		return true, "hdifffiles.json", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdiffmap.json"); err == nil && ok {
+		return true, "hdiffmap.json", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "manifest"); err == nil && ok {
+		return true, "manifest", ""
+	}
+
+	return false, "", "not found hdifffiles.txt or hdiffmap.json"
+}
+
+func (h *DiffService) VersionValidate(gamePath, patchPath string) (bool, string) {
+	oldBinPath := filepath.Join(gamePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
+	if _, err := os.Stat(oldBinPath); err != nil {
+		return false, err.Error()
+	}
+	if _, err := os.Stat(patchPath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
+			return false, err.Error()
+		}
+	}
+
+	okFull, errFull := sevenzip.IsFileIn7z(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
+	okDiff, errDiff := sevenzip.IsFileIn7z(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes.hdiff")
+
+	if (errFull != nil && errDiff != nil) || (!okFull && !okDiff) {
+		return false, "BinaryVersion file not found in patch"
+	}
+
+	var tempBinFile string
+
+	if okFull {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		tempBinFile = filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
+	} else {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes.hdiff", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		patchBinFile := filepath.Join(constant.TempUrl, "BinaryVersion.bytes.hdiff")
+		sourceBinFile := oldBinPath
+		tempBinFile = filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
+		if err := hpatchz.ApplyPatch(sourceBinFile, patchBinFile, tempBinFile); err != nil {
+			os.Remove(patchBinFile)
+			return false, err.Error()
+		}
+		os.Remove(patchBinFile)
+	}
+
+	okFullPkg, err1 := sevenzip.IsFileIn7z(patchPath, "pkg_version")
+	okDiffPkg, err2 := sevenzip.IsFileIn7z(patchPath, "pkg_version.hdiff")
+	if err1 != nil && err2 != nil {
+		return false, err1.Error()
+	}
+	if okFullPkg {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "pkg_version", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+	}
+	if okDiffPkg {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "pkg_version.hdiff", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		patchPkgFile := filepath.Join(constant.TempUrl, "pkg_version.hdiff")
+		sourcePkgFile := filepath.Join(gamePath, "pkg_version")
+		tempPkgFile := filepath.Join(constant.TempUrl, "pkg_version")
+		if err := hpatchz.ApplyPatch(sourcePkgFile, patchPkgFile, tempPkgFile); err != nil {
+			os.Remove(patchPkgFile)
+			os.Remove(tempPkgFile)
+			return false, err.Error()
+		}
+		os.Remove(patchPkgFile)
+	}
+
+	tempPkgFile := filepath.Join(constant.TempUrl, "pkg_version")
+	pkgDataList, err := models.LoadPkgVersion(tempPkgFile)
+	if err != nil {
+		os.Remove(tempPkgFile)
+		return false, err.Error()
+	}
+	os.Remove(tempPkgFile)
+
+	// MD5 check BinaryVersion
+	flags := false
+	for _, pkgData := range pkgDataList {
+		if filepath.ToSlash(pkgData.RemoteFile) == "StarRail_Data/StreamingAssets/BinaryVersion.bytes" {
+			flags = true
+			md5, err := verifier.FileMD5(tempBinFile)
+			if err != nil {
+				os.Remove(tempBinFile)
+				return false, err.Error()
+			}
+			if md5 != pkgData.MD5 {
+				os.Remove(tempBinFile)
+				return false, fmt.Sprintf("md5 mismatch for %s: expected %s, got %s",
+					tempBinFile, pkgData.MD5, md5)
+			}
+			break
+		}
+	}
+	if !flags {
+		os.Remove(tempBinFile)
+		return false, "BinaryVersion file not found in patch"
+	}
+	_, err = models.ParseBinaryVersion(tempBinFile)
+	if err != nil {
+		os.Remove(tempBinFile)
+		return false, err.Error()
+	}
+
+	os.Remove(tempBinFile)
+	return true, "validated"
+}
+
+func (h *DiffService) HDiffPatchData(gamePath string) (bool, string) {
+	hdiffMapPath := filepath.Join(gamePath, "hdiffmap.json")
+	hdiffFilesPath := filepath.Join(gamePath, "hdifffiles.txt")
+	hdifffilesJsonPath := filepath.Join(gamePath, "hdifffiles.json")
+
+	var jsonData struct {
+		DiffMap []*models.HDiffData `json:"diff_map"`
+	}
+
+	if _, err := os.Stat(hdiffMapPath); err == nil {
+		data, err := os.ReadFile(hdiffMapPath)
+		if err != nil {
+			return false, err.Error()
+		}
+
+		var jsonDataDiffMap struct {
+			DiffMap []*models.DiffMapType `json:"diff_map"`
+		}
+		if err := json.Unmarshal(data, &jsonDataDiffMap); err != nil {
+			return false, err.Error()
+		}
+		for _, entry := range jsonDataDiffMap.DiffMap {
+			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
+		}
+	} else if _, err := os.Stat(hdifffilesJsonPath); err == nil {
+		data, err := os.ReadFile(hdifffilesJsonPath)
+		if err != nil {
+			return false, err.Error()
+		}
+		if err := json.Unmarshal(data, &jsonData); err != nil {
+			return false, err.Error()
+		}
+	} else if _, err := os.Stat(hdiffFilesPath); err == nil {
+		files, err := models.LoadHDiffFiles(hdiffFilesPath)
+		if err != nil {
+			return false, err.Error()
+		}
+		for _, entry := range files {
+			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
+		}
+	} else {
+		return false, "no hdiff entries map exist"
+	}
+
+	application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Patching HDiff"})
+	for i, entry := range jsonData.DiffMap {
+		application.Get().Event.Emit(
+			"diff:progress", map[string]int{
+				"progress":    i,
+				"maxProgress": len(jsonData.DiffMap),
+			})
+
+		sourceFile := filepath.Join(gamePath, entry.SourceFileName)
+		patchFile := filepath.Join(gamePath, entry.PatchFileName)
+		targetFile := filepath.Join(gamePath, entry.TargetFileName)
+
+		if _, err := os.Stat(patchFile); os.IsNotExist(err) {
+			continue
+		}
+
+		if entry.SourceFileName == "" {
+			hpatchz.ApplyPatchEmpty(patchFile, targetFile)
+			os.Remove(patchFile)
+			continue
+		}
+
+		if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
+			continue
+		}
+
+		hpatchz.ApplyPatch(sourceFile, patchFile, targetFile)
+		if entry.SourceFileName != entry.TargetFileName {
+			os.Remove(sourceFile)
+		}
+		os.Remove(patchFile)
+	}
+
+	os.Remove(filepath.Join(gamePath, "hdiffmap.json"))
+	os.Remove(filepath.Join(gamePath, "hdifffiles.txt"))
+	os.Remove(filepath.Join(gamePath, "hdifffiles.json"))
+	return true, "patching completed"
+}
+
+func (h *DiffService) DeleteFiles(gamePath string) (bool, string) {
+	var deleteFiles []string
+
+	file, err := os.Open(filepath.Join(gamePath, "deletefiles.txt"))
+	if err != nil {
+		return false, ""
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line != "" {
+			deleteFiles = append(deleteFiles, line)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		file.Close()
+		return false, "no delete files exist"
+	}
+
+	file.Close()
+
+	for i, file := range deleteFiles {
+		os.Remove(filepath.Join(gamePath, file))
+		application.Get().Event.Emit("diff:progress", map[string]int{"progress": i, "maxProgress": len(deleteFiles)})
+	}
+	os.Remove(filepath.Join(gamePath, "deletefiles.txt"))
+	return true, ""
+}

internal/diff-service/ldifff.go

@@ -0,0 +1,172 @@
+package diffService
+
+import (
+	"firefly-launcher/pkg/firefly"
+	"firefly-launcher/pkg/firefly/pb"
+	"firefly-launcher/pkg/hpatchz"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (h *DiffService) LDiffPatchData(gamePath string) (bool, string) {
+	entries, err := os.ReadDir(gamePath)
+	if err != nil {
+		return false, err.Error()
+	}
+	ldiffPath := filepath.Join(gamePath, "ldiff")
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+		if !entry.Type().IsRegular() {
+			continue
+		}
+
+		name := entry.Name()
+		if strings.HasPrefix(name, "manifest") {
+			manifestName := entry.Name()
+			manifestPath := filepath.Join(gamePath, manifestName)
+
+			manifest, err := firefly.LoadManifestProto(manifestPath)
+			if err != nil {
+				continue
+			}
+
+			ldiffEntries, err := os.ReadDir(ldiffPath)
+			if err != nil {
+				return false, err.Error()
+			}
+			application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Processing LDiff"})
+			for i, ldiffEntry := range ldiffEntries {
+				assetName := ldiffEntry.Name()
+				var matchingAssets []struct {
+					AssetName string
+					AssetSize int64
+					Asset     *pb.AssetManifest
+				}
+
+				application.Get().Event.Emit(
+					"diff:progress", map[string]int{
+						"progress":    i,
+						"maxProgress": len(ldiffEntries),
+					})
+
+				var wg sync.WaitGroup
+				var mu sync.Mutex
+
+				for _, assetGroup := range manifest.Assets {
+					assetGroup := assetGroup
+					wg.Go(func() {
+						if data := assetGroup.AssetData; data != nil {
+							for _, asset := range data.Assets {
+								if asset.ChunkFileName == assetName {
+									mu.Lock()
+									matchingAssets = append(matchingAssets, struct {
+										AssetName string
+										AssetSize int64
+										Asset     *pb.AssetManifest
+									}{assetGroup.AssetName, assetGroup.AssetSize, asset})
+									mu.Unlock()
+								}
+							}
+						}
+					})
+				}
+
+				wg.Wait()
+
+				for _, ma := range matchingAssets {
+					err := firefly.LDiffFile(ma.Asset, ma.AssetName, ma.AssetSize, ldiffPath, gamePath)
+					if err != nil {
+						continue
+					}
+				}
+			}
+
+			diffMapNames := make([]string, len(ldiffEntries))
+			for i, e := range ldiffEntries {
+				diffMapNames[i] = e.Name()
+			}
+
+			diffMapList, err := MakeDiffMap(manifest, diffMapNames)
+			if err != nil {
+				return false, err.Error()
+			}
+			application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Patching HDiff"})
+			for i, entry := range diffMapList {
+				application.Get().Event.Emit(
+					"diff:progress", map[string]int{
+						"progress":    i,
+						"maxProgress": len(diffMapList),
+					})
+				sourceFile := filepath.Join(gamePath, entry.SourceFileName)
+				patchFile := filepath.Join(gamePath, entry.PatchFileName)
+				targetFile := filepath.Join(gamePath, entry.TargetFileName)
+
+				if _, err := os.Stat(patchFile); os.IsNotExist(err) {
+					continue
+				}
+
+				if entry.SourceFileName == "" {
+					hpatchz.ApplyPatchEmpty(patchFile, targetFile)
+					os.Remove(patchFile)
+					continue
+				}
+
+				if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
+					continue
+				}
+
+				hpatchz.ApplyPatch(sourceFile, patchFile, targetFile)
+				if entry.SourceFileName != entry.TargetFileName {
+					os.Remove(sourceFile)
+				}
+				os.Remove(patchFile)
+			}
+
+		}
+	}
+	os.RemoveAll(ldiffPath)
+	return true, "patching completed"
+}
+
+func MakeDiffMap(manifest *pb.ManifestProto, chunkNames []string) ([]*models.HDiffData, error) {
+	var hdiffFiles []*models.HDiffData
+
+	for _, asset := range manifest.Assets {
+		assetName := asset.AssetName
+		assetSize := asset.AssetSize
+
+		if asset.AssetData != nil {
+			for _, chunk := range asset.AssetData.Assets {
+				matched := false
+				for _, name := range chunkNames {
+					if name == chunk.ChunkFileName {
+						matched = true
+						break
+					}
+				}
+				if !matched {
+					continue
+				}
+
+				if chunk.OriginalFileSize != 0 || chunk.HdiffFileSize != assetSize {
+					hdiffFiles = append(hdiffFiles, &models.HDiffData{
+						SourceFileName: chunk.OriginalFilePath,
+						TargetFileName: assetName,
+						PatchFileName:  fmt.Sprintf("%s.hdiff", assetName),
+					})
+				}
+			}
+		}
+	}
+
+	return hdiffFiles, nil
+}

internal/diff-service/utils.go

@@ -0,0 +1,87 @@
+package diffService
+
+import (
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/sevenzip"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (h *DiffService) DataExtract(gamePath, patchPath string) (bool, string) {
+	os.RemoveAll(constant.TempUrl)
+	if _, err := os.Stat(gamePath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(patchPath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
+			return false, err.Error()
+		}
+	}
+
+	if err := sevenzip.ExtractAllFilesFromZip(patchPath, constant.TempUrl); err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+	return true, "extract completed"
+}
+
+func (h *DiffService) CutData(gamePath string) (bool, string) {
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		return false, err.Error()
+	}
+
+	err := filepath.Walk(constant.TempUrl, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relPath, err := filepath.Rel(constant.TempUrl, path)
+		if err != nil {
+			return err
+		}
+		destPath := filepath.Join(gamePath, relPath)
+		application.Get().Event.Emit("diff:message", map[string]string{"message": destPath})
+		if info.IsDir() {
+			return os.MkdirAll(destPath, os.ModePerm)
+		}
+
+		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
+			return err
+		}
+
+		if err := os.Rename(path, destPath); err != nil {
+			srcFile, err := os.Open(path)
+			if err != nil {
+				return err
+			}
+			defer srcFile.Close()
+
+			dstFile, err := os.Create(destPath)
+			if err != nil {
+				return err
+			}
+			defer dstFile.Close()
+
+			if _, err := io.Copy(dstFile, srcFile); err != nil {
+				return err
+			}
+			os.Remove(path)
+		}
+		return nil
+	})
+
+	if err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+	os.RemoveAll(constant.TempUrl)
+	return true, "cut completed"
+}

internal/fs-service/fs.go

@@ -1,4 +1,4 @@
-package internal
+package fsService
 
 import (
 	"firefly-launcher/pkg/sevenzip"
@@ -30,7 +30,7 @@ func (f *FSService) PickFolder() (string, error) {
 	return "", nil
 }
 
-func (f *FSService) PickFile() (string, error) {
+func (f *FSService) PickFile(filter string) (string, error) {
 	dialog := application.OpenFileDialog().
 		CanChooseFiles(true).
 		ResolvesAliases(true)
@@ -39,6 +39,9 @@ func (f *FSService) PickFile() (string, error) {
 	} else {
 		dialog.SetTitle("Select a file/directory")
 	}
+	if filter == "exe" {
+		dialog.AddFilter("Executable Files (*.exe)", "*.exe")
+	}
 	if path, err := dialog.PromptForSingleSelection(); err == nil {
 		return path, nil
 	}
@@ -69,7 +72,7 @@ func (f *FSService) StartApp(path string) (bool, error) {
 	if strings.HasSuffix(path, "StarRail.exe") {
 		go func() {
 			_ = cmd.Wait()
-			application.Get().EmitEvent("game:exit")
+			application.Get().Event.Emit("game:exit")
 		}()
 	}
 
@@ -106,11 +109,11 @@ func (f *FSService) StartWithConsole(path string) (bool, error) {
 	go func() {
 		_ = cmd.Wait()
 		if strings.HasSuffix(path, "launcher.exe") {
-			application.Get().EmitEvent("game:exit")
+			application.Get().Event.Emit("game:exit")
 		} else if strings.HasSuffix(path, "firefly-go_win.exe") {
-			application.Get().EmitEvent("server:exit")
+			application.Get().Event.Emit("server:exit")
 		} else if strings.HasSuffix(path, "FireflyProxy.exe") {
-			application.Get().EmitEvent("proxy:exit")
+			application.Get().Event.Emit("proxy:exit")
 		}
 	}()
 	return true, nil
@@ -127,7 +130,7 @@ func (f *FSService) OpenFolder(path string) (bool, string) {
 	}
 
 	url := "file:///" + filepath.ToSlash(absPath)
-	application.Get().BrowserOpenURL(url)
+	application.Get().Browser.OpenURL(url)
 
 	return true, ""
 }

internal/git-service.go

@@ -1,282 +0,0 @@
-package internal
-
-import (
-	"encoding/json"
-	"firefly-launcher/pkg/constant"
-	"firefly-launcher/pkg/models"
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-	"path/filepath"
-
-	"github.com/minio/selfupdate"
-	"github.com/wailsapp/wails/v3/pkg/application"
-)
-
-type GitService struct{}
-
-func (g *GitService) GetLatestServerVersion() (bool, string, string) {
-	resp, err := http.Get(constant.ServerGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-func (g *GitService) DownloadServerProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.ServerGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.ServerZipFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	if err := os.Mkdir(constant.ServerStorageUrl, 0755); err != nil {
-		if !os.IsExist(err) {
-			return false, err.Error()
-		}
-	}
-
-	saveFile := filepath.Join(constant.ServerStorageUrl, assetWin.Name)
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-
-	DownloadFile(saveFile, assetWin.BrowserDownloadURL, func(percent float64, speed float64) {
-		application.Get().EmitEvent("download:server", map[string]interface{}{
-			"percent": fmt.Sprintf("%.2f", percent),
-			"speed":   fmt.Sprintf("%.2f", speed),
-		})
-	})
-	return true, ""
-}
-
-func (g *GitService) UnzipServer() {
-	unzipParallel(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile), constant.ServerStorageUrl)
-	os.Remove(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile))
-}
-
-func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
-	resp, err := http.Get(constant.ProxyGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.ProxyGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.ProxyZipFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	if err := os.Mkdir(constant.ProxyStorageUrl, 0755); err != nil {
-		if !os.IsExist(err) {
-			return false, err.Error()
-		}
-	}
-	saveFile := filepath.Join(constant.ProxyStorageUrl, assetWin.Name)
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-
-	DownloadFile(saveFile, assetWin.BrowserDownloadURL, func(percent float64, speed float64) {
-		application.Get().EmitEvent("download:proxy", map[string]interface{}{
-			"percent": fmt.Sprintf("%.2f", percent),
-			"speed":   fmt.Sprintf("%.2f", speed),
-		})
-
-	})
-	return true, ""
-}
-
-func (g *GitService) UnzipProxy() {
-	unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
-	os.Remove(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile))
-}
-
-func (g *GitService) GetLatestLauncherVersion() (bool, string, string) {
-	resp, err := http.Get(constant.LauncherGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-
-
-func (g *GitService) UpdateLauncherProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.LauncherGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.LauncherFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
-	if err != nil {
-		return false, err.Error()
-	}
-	return true, ""
-}

internal/git-service/launcher.go

@@ -0,0 +1,57 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"io"
+	"net/http"
+	"github.com/minio/selfupdate"
+
+)
+
+type GitService struct{}
+
+
+func (g *GitService) GetLatestLauncherVersion() (bool, string, string) {
+	resp, err := http.Get(constant.LauncherGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+
+
+func (g *GitService) UpdateLauncherProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.LauncherGitUrl, constant.LauncherFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	resp, err := http.Get(asset.BrowserDownloadURL)
+	if err != nil {
+		return false, err.Error()
+	}
+	defer resp.Body.Close()
+
+	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
+	if err != nil {
+		return false, err.Error()
+	}
+	return true, ""
+}

internal/git-service/proxy.go

@@ -0,0 +1,71 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
+	resp, err := http.Get(constant.ProxyGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.ProxyGitUrl, constant.ProxyZipFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	if err := os.MkdirAll(constant.ProxyStorageUrl, 0755); err != nil {
+		return false, err.Error()
+	}
+
+	saveFile := filepath.Join(constant.ProxyStorageUrl, asset.Name)
+	tmpPath, err := g.downloadFileParallel(saveFile, asset.BrowserDownloadURL, 4, func(percent float64, speed string) {
+		application.Get().Event.Emit("download:proxy", map[string]interface{}{
+			"percent": fmt.Sprintf("%.2f", percent),
+			"speed":   speed,
+		})
+	})
+	if err != nil {
+		return false, err.Error()
+	}
+	for i := 0; i < 3; i++ {
+		if err := os.Rename(tmpPath, saveFile); err == nil {
+			return true, ""
+		}
+		time.Sleep(300 * time.Millisecond)
+	}
+	return false, "failed to rename tmp file after retries"
+}
+
+func (g *GitService) UnzipProxy() {
+	g.unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
+	os.Remove(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile))
+}

internal/git-service/server.go

@@ -0,0 +1,71 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (g *GitService) GetLatestServerVersion() (bool, string, string) {
+	resp, err := http.Get(constant.ServerGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+func (g *GitService) DownloadServerProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.ServerGitUrl, constant.ServerZipFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	if err := os.MkdirAll(constant.ServerStorageUrl, 0755); err != nil {
+		return false, err.Error()
+	}
+
+	saveFile := filepath.Join(constant.ServerStorageUrl, asset.Name)
+	tmpPath, err := g.downloadFileParallel(saveFile, asset.BrowserDownloadURL, 4, func(percent float64, speed string) {
+		application.Get().Event.Emit("download:server", map[string]interface{}{
+			"percent": fmt.Sprintf("%.2f", percent),
+			"speed":   speed,
+		})
+	})
+	if err != nil {
+		return false, err.Error()
+	}
+	for i := 0; i < 3; i++ {
+		if err := os.Rename(tmpPath, saveFile); err == nil {
+			return true, ""
+		}
+		time.Sleep(300 * time.Millisecond)
+	}
+	return false, "failed to rename tmp file after retries"
+}
+
+func (g *GitService) UnzipServer() {
+	g.unzipParallel(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile), constant.ServerStorageUrl)
+	os.Remove(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile))
+}

internal/git-service/util.go

@@ -0,0 +1,251 @@
+package gitService
+
+import (
+	"archive/zip"
+	"encoding/json"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"time"
+
+)
+
+func HumanFormat(bytes float64) string {
+	if math.IsNaN(bytes) || math.IsInf(bytes, 0) {
+		return fmt.Sprintf("%v", bytes)
+	}
+	if bytes == 0 {
+		return "0B"
+	}
+
+	neg := bytes < 0
+	if neg {
+		bytes = -bytes
+	}
+
+	units := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
+	i := 0
+	for bytes >= 1024 && i < len(units)-1 {
+		bytes /= 1024
+		i++
+	}
+
+	res := fmt.Sprintf("%.1f%s", bytes, units[i])
+	if neg {
+		res = "-" + res
+	}
+	return res
+}
+
+type WriteCounter struct {
+	Total     uint64
+	StartTime time.Time
+	OnEmit    func(percent float64, speed string)
+	TotalSize int64
+	mu        sync.Mutex
+}
+
+func NewWriteCounter(total int64, onEmit func(percent float64, speed string)) *WriteCounter {
+	return &WriteCounter{
+		StartTime: time.Now(),
+		TotalSize: total,
+		OnEmit:    onEmit,
+	}
+}
+
+func (wc *WriteCounter) Add(n int) {
+	wc.mu.Lock()
+	defer wc.mu.Unlock()
+	wc.Total += uint64(n)
+	wc.PrintProgress()
+}
+
+func (wc *WriteCounter) PrintProgress() {
+	elapsed := time.Since(wc.StartTime).Seconds()
+	if elapsed < 0.001 {
+		elapsed = 0.001
+	}
+	speed := float64(wc.Total) / elapsed
+	percent := float64(wc.Total) / float64(wc.TotalSize) * 100
+	if wc.OnEmit != nil {
+		wc.OnEmit(percent, fmt.Sprintf("%s/s", HumanFormat(speed)))
+	}
+}
+
+func (g *GitService) downloadFileParallel(filePath, url string, numParts int, onEmit func(percent float64, speed string)) (tmpPath string, err error) {
+	resp, err := http.Head(url)
+	if err != nil {
+		return "", fmt.Errorf("failed to get head: %w", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("bad status: %s", resp.Status)
+	}
+
+	size := resp.ContentLength
+	tmpPath = filePath + ".tmp"
+
+	out, err := os.Create(tmpPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to create tmp file: %w", err)
+	}
+	defer out.Close()
+
+	counter := NewWriteCounter(size, onEmit)
+	partSize := size / int64(numParts)
+	var wg sync.WaitGroup
+	var mu sync.Mutex
+
+	for i := 0; i < numParts; i++ {
+		start := int64(i) * partSize
+		end := start + partSize - 1
+		if i == numParts-1 {
+			end = size - 1
+		}
+
+		_ = start
+		_ = end
+
+		wg.Go(func() {
+			req, _ := http.NewRequest("GET", url, nil)
+			req.Header.Set("Range", fmt.Sprintf("bytes=%d-%d", start, end))
+			resp, err := http.DefaultClient.Do(req)
+			if err != nil {
+				return
+			}
+			defer resp.Body.Close()
+
+			buf := make([]byte, 32*1024)
+			var written int64
+			for {
+				n, err := resp.Body.Read(buf)
+				if n > 0 {
+					mu.Lock()
+					out.Seek(start+written, 0)
+					out.Write(buf[:n])
+					mu.Unlock()
+					written += int64(n)
+					counter.Add(n)
+				}
+				if err == io.EOF {
+					break
+				}
+				if err != nil {
+					break
+				}
+			}
+		})
+	}
+
+	wg.Wait()
+	return tmpPath, nil
+}
+
+// --- Helper getReleaseAsset ---
+func (g *GitService) getReleaseAsset(version, url, fileName string) (models.AssetType, bool) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return models.AssetType{}, false
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+	var releases []*models.ReleaseType
+	if err := json.Unmarshal(body, &releases); err != nil || len(releases) == 0 {
+		return models.AssetType{}, false
+	}
+
+	for _, release := range releases {
+		if release.TagName == version {
+			for _, asset := range release.Assets {
+				if asset.Name == fileName {
+					return asset, true
+				}
+			}
+		}
+	}
+	return models.AssetType{}, false
+}
+
+func (g *GitService) unzipParallel(src string, dest string) error {
+	numCPU := runtime.NumCPU()
+
+	reserved := 1
+	if numCPU > 4 {
+		reserved = 2
+	}
+	maxWorkers := numCPU - reserved
+	if maxWorkers < 1 {
+		maxWorkers = 1
+	}
+	r, err := zip.OpenReader(src)
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+
+	err = os.MkdirAll(dest, 0755)
+	if err != nil {
+		return err
+	}
+
+	type job struct {
+		f *zip.File
+	}
+	jobs := make(chan job)
+	var wg sync.WaitGroup
+
+	for i := 0; i < maxWorkers; i++ {
+
+		wg.Go(func() {
+			for j := range jobs {
+				err := g.extractFile(j.f, dest)
+				if err != nil {
+					fmt.Printf("Error extracting %s: %v\n", j.f.Name, err)
+				}
+			}
+		})
+	}
+
+	for _, f := range r.File {
+		jobs <- job{f}
+	}
+	close(jobs)
+
+	wg.Wait()
+
+	return nil
+}
+
+func (g *GitService) extractFile(f *zip.File, dest string) error {
+	fp := filepath.Join(dest, f.Name)
+
+	if f.FileInfo().IsDir() {
+		return os.MkdirAll(fp, f.Mode())
+	}
+
+	err := os.MkdirAll(filepath.Dir(fp), 0755)
+	if err != nil {
+		return err
+	}
+
+	rc, err := f.Open()
+	if err != nil {
+		return err
+	}
+	defer rc.Close()
+
+	out, err := os.OpenFile(fp, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, rc)
+	return err
+}

internal/hdiffz-service.go

@@ -1,212 +0,0 @@
-package internal
-
-import (
-	"bufio"
-	"encoding/json"
-	"firefly-launcher/pkg/constant"
-	"firefly-launcher/pkg/models"
-	"firefly-launcher/pkg/sevenzip"
-	"firefly-launcher/pkg/verifier"
-	"fmt"
-	"io"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"strings"
-	"syscall"
-
-	"github.com/wailsapp/wails/v3/pkg/application"
-)
-
-type HdiffzService struct{}
-
-func (h *HdiffzService) VersionValidate(gamePath, patchPath string) (bool, string) {
-	oldVersionData, err := models.ParseBinaryVersion(filepath.Join(gamePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes"))
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(patchPath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
-			return false, err.Error()
-		}
-	}
-	if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes", constant.TempUrl); err != nil {
-		return false, err.Error()
-	}
-
-	binPath := filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
-	newVersionData, err := models.ParseBinaryVersion(binPath)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer os.Remove(binPath)
-
-	v := newVersionData.Subtract(*oldVersionData)
-	if v != 0 && v != 1 {
-		return false, fmt.Sprintf("the diff version %s not valid with game version %s", newVersionData, oldVersionData)
-	}
-
-	return true, "validated"
-}
-func (h *HdiffzService) DataExtract(gamePath, patchPath string) (bool, string) {
-	if _, err := os.Stat(gamePath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(patchPath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
-			return false, err.Error()
-		}
-	}
-
-	if err := sevenzip.ExtractAllFilesFromZip(patchPath, constant.TempUrl); err != nil {
-		os.RemoveAll(constant.TempUrl)
-		return false, err.Error()
-	}
-
-	validator, err := verifier.NewVerifier(gamePath, constant.TempUrl)
-	if err != nil {
-		os.RemoveAll(constant.TempUrl)
-		return false, err.Error()
-	}
-
-	if err := validator.VerifyAll(); err != nil {
-		os.RemoveAll(constant.TempUrl)
-		return false, err.Error()
-	}
-
-	return true, "validated"
-}
-
-func (h *HdiffzService) CutData(gamePath string) (bool, string) {
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		return false, err.Error()
-	}
-
-	err := filepath.Walk(constant.TempUrl, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-
-		relPath, err := filepath.Rel(constant.TempUrl, path)
-		if err != nil {
-			return err
-		}
-		destPath := filepath.Join(gamePath, relPath)
-		application.Get().EmitEvent("hdiffz:message", map[string]string{"message": destPath})
-		if info.IsDir() {
-			return os.MkdirAll(destPath, os.ModePerm)
-		}
-
-		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
-			return err
-		}
-
-		if err := os.Rename(path, destPath); err != nil {
-			srcFile, err := os.Open(path)
-			if err != nil {
-				return err
-			}
-			defer srcFile.Close()
-
-			dstFile, err := os.Create(destPath)
-			if err != nil {
-				return err
-			}
-			defer dstFile.Close()
-
-			if _, err := io.Copy(dstFile, srcFile); err != nil {
-				return err
-			}
-			_ = os.Remove(path)
-		}
-		return nil
-	})
-
-	if err != nil {
-		return false, err.Error()
-	}
-
-	_ = os.RemoveAll(constant.TempUrl)
-
-	return true, "cut completed"
-}
-
-func (h *HdiffzService) PatchData(gamePath string) (bool, string) {
-	data, err := os.ReadFile(filepath.Join(gamePath, "hdiffmap.json"))
-	if err != nil {
-		return false, err.Error()
-	}
-
-	var jsonData struct {
-		DiffMap []*models.DiffMapType `json:"diff_map"`
-	}
-	if err := json.Unmarshal(data, &jsonData); err != nil {
-		return false, err.Error()
-	}
-
-	for i, entry := range jsonData.DiffMap {
-		application.Get().EmitEvent(
-			"hdiffz:progress", map[string]int{
-				"progress":    i,
-				"maxProgress": len(jsonData.DiffMap),
-			})
-		sourceFile := filepath.Join(gamePath, entry.SourceFileName)
-		patchFile := filepath.Join(gamePath, entry.PatchFileName)
-		targetFile := filepath.Join(gamePath, entry.TargetFileName)
-
-		if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
-			continue
-		}
-		if _, err := os.Stat(patchFile); os.IsNotExist(err) {
-			continue
-		}
-
-		cmd := exec.Command(constant.ToolHPatchzExe.String(), sourceFile, patchFile, targetFile)
-		cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
-		_, err := cmd.CombinedOutput()
-		if err != nil {
-			continue
-		}
-	}
-
-	return true, "patching completed"
-}
-
-func (h *HdiffzService) DeleteFiles(gamePath string) (bool, string) {
-	var deleteFiles []string
-
-	file, err := os.Open(filepath.Join(gamePath, "deletefiles.txt"))
-	if err != nil {
-		return false, ""
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if line != "" {
-			deleteFiles = append(deleteFiles, line)
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		return false, ""
-	}
-
-	for i, file := range deleteFiles {
-		os.Remove(filepath.Join(gamePath, file))
-		application.Get().EmitEvent("hdiffz:progress", map[string]int{"progress": i, "maxProgress": len(deleteFiles)})
-	}
-
-	return true, ""
-}

internal/language-service.go

@@ -1,146 +0,0 @@
-package internal
-
-import (
-	"bytes"
-	"fmt"
-	"os"
-	"path/filepath"
-)
-
-type LanguageService struct{}
-
-func isValidLang(lang string) bool {
-	valid := []string{"en", "jp", "cn", "kr"}
-	for _, v := range valid {
-		if lang == v {
-			return true
-		}
-	}
-	return false
-}
-
-func (l *LanguageService) GetLanguage(path string) (string, string, error) {
-	files, err := os.ReadDir(path)
-	if err != nil {
-		return "", "", err
-	}
-
-	for _, file := range files {
-		filePath := filepath.Join(path, file.Name())
-
-		content, err := os.ReadFile(filePath)
-		if err != nil {
-			continue
-		}
-
-		patternToFind := []byte("SpriteOutput/UI/Fonts/RPG_CN.ttf")
-		idx := bytes.Index(content, patternToFind)
-		if idx == -1 {
-			continue
-		}
-
-		pattern := []byte("Korean")
-		idx = bytes.Index(content, pattern)
-		if idx == -1 {
-			continue
-		}
-
-		// Move to os text language
-		idx += 10
-		idx += 4
-		osText := string(content[idx : idx+2])
-		idx += 3 * 4 
-
-		// Move to cn voice language
-		idx += 1
-		idx += 5
-		cnVoice := string(content[idx : idx+2])
-		idx += 3 * 2 // skip 2 entries
-
-		// Move to os voice language
-		idx += 1
-		idx += 5
-		osVoice := string(content[idx : idx+2])
-		idx += 3 * 5 // skip 5 entries
-
-		// Move to cn text language
-		idx += 1
-		idx += 4
-		cnText := string(content[idx : idx+2])
-
-		textLang := osText
-		voiceLang := osVoice
-		if !isValidLang(textLang) {
-			textLang = cnText
-		}
-		if !isValidLang(voiceLang) {
-			voiceLang = cnVoice
-		}
-
-		return textLang, voiceLang, nil
-	}
-
-	return "", "", fmt.Errorf("couldn't find file to read language from")
-}
-
-func replaceBytes(content []byte, idx int, choice string, param int) int {
-	for i := 0; i < param; i++ {
-		copy(content[idx:idx+2], []byte(choice))
-		idx += 3
-	}
-	return idx
-}
-
-func (l *LanguageService) SetLanguage(path string, text, voice string) (bool, error) {
-	files, err := os.ReadDir(path)
-	if err != nil {
-		return false, err
-	}
-
-	for _, file := range files {
-		filePath := filepath.Join(path, file.Name())
-
-		content, err := os.ReadFile(filePath)
-		if err != nil {
-			continue
-		}
-
-		patternToFind := []byte("SpriteOutput/UI/Fonts/RPG_CN.ttf")
-		idx := bytes.Index(content, patternToFind)
-		if idx == -1 {
-			continue
-		}
-
-		pattern := []byte("Korean")
-		idx = bytes.Index(content, pattern)
-		if idx == -1 {
-			continue
-		}
-
-		idx += 10
-		idx += 4
-		idx = replaceBytes(content, idx, text, 4)
-		idx += 1
-
-		idx += 5
-		idx = replaceBytes(content, idx, voice, 2)
-		idx += 1
-
-		idx += 5
-		idx = replaceBytes(content, idx, voice, 5)
-
-		idx += 1
-
-		idx += 4
-		_ = replaceBytes(content, idx, text, 2)
-
-		err = os.WriteFile(filePath, content, 0644)
-		if err != nil {
-			return false, err
-		}
-
-		return true, nil
-	}
-
-	return false, fmt.Errorf("couldn't find file to patch. Make sure this file is placed in the correct folder")
-}

internal/language-service/language.go

@@ -0,0 +1,175 @@
+package languageService
+
+import (
+	"bytes"
+	assetMeta "firefly-launcher/pkg/language-patch/asset-meta"
+	excelLanguage "firefly-launcher/pkg/language-patch/excel-language"
+	"firefly-launcher/pkg/models"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+)
+
+type LanguageService struct{}
+
+func isValidLang(lang string) bool {
+	valid := []string{"en", "jp", "cn", "kr"}
+	return slices.Contains(valid, lang)
+}
+
+func (l *LanguageService) GetLanguage(path string) (bool, string, string, string) {
+	currentVersionGame, err := models.ParseBinaryVersion(filepath.Join(path, "BinaryVersion.bytes"))
+	if err != nil {
+		return false, "", "", err.Error()
+	}
+
+	typeVersionGame := "os"
+	if strings.Contains(currentVersionGame.Name, "CN") {
+		typeVersionGame = "cn"
+	}
+
+	assetPath := filepath.Join(path, "DesignData\\Windows")
+
+	indexHash, err := assetMeta.GetIndexHash(assetPath)
+	if err != nil {
+		return false, "", "", err.Error()
+	}
+
+	DesignIndex, err := assetMeta.DesignIndexFromBytes(assetPath, indexHash)
+	if err != nil {
+		return false, "", "", err.Error()
+	}
+	dataEntry, fileEntry, err := DesignIndex.FindDataAndFileByTarget(-515329346)
+	if err != nil {
+		return false, "", "", err.Error()
+	}
+	allowedLanguage := excelLanguage.NewExcelLanguage(assetPath, &dataEntry, &fileEntry)
+	languageRows, err := allowedLanguage.Parse()
+	if err != nil {
+		return false, "", "", err.Error()
+	}
+
+	currentTextLang := ""
+	currentVoiceLang := ""
+
+	pairs := []struct {
+		area string
+		typ  *uint8
+	}{
+		{"os", nil},
+		{"cn", func() *uint8 { v := uint8(1); return &v }()},
+		{"os", func() *uint8 { v := uint8(1); return &v }()},
+		{"cn", nil},
+	}
+	
+	for _, p := range pairs {
+		var found *excelLanguage.LanguageRow
+		for i := range languageRows {
+			if languageRows[i].Area != nil && *languageRows[i].Area == p.area {
+				if (languageRows[i].Type == nil && p.typ == nil) ||
+					(languageRows[i].Type != nil && p.typ != nil && *languageRows[i].Type == *p.typ) {
+					found = &languageRows[i]
+					break
+				}
+			}
+		}
+		if found == nil {
+			continue
+		}
+		if found.DefaultLanguage != nil && found.Area != nil && *found.Area == typeVersionGame && found.Type == nil {
+			currentTextLang = *found.DefaultLanguage
+		}
+		if found.DefaultLanguage != nil && found.Area != nil && *found.Area == typeVersionGame && found.Type != nil {
+			currentVoiceLang = *found.DefaultLanguage
+		}
+	}
+
+	if currentTextLang == "" || currentVoiceLang == "" || !isValidLang(currentTextLang) || !isValidLang(currentVoiceLang) {
+		return false, "", "", "not found language"
+	}
+	
+	return true, currentTextLang, currentVoiceLang, ""
+}
+
+
+
+func (l *LanguageService) SetLanguage(path string, text, voice string) (bool, string) {
+	indexHash, err := assetMeta.GetIndexHash(path)
+	if err != nil {
+		return false, err.Error()
+	}
+
+	DesignIndex, err := assetMeta.DesignIndexFromBytes(path, indexHash)
+	if err != nil {
+		return false, err.Error()
+	}
+	dataEntry, fileEntry, err := DesignIndex.FindDataAndFileByTarget(-515329346)
+	if err != nil {
+		return false, err.Error()
+	}
+	allowedLanguage := excelLanguage.NewExcelLanguage(path, &dataEntry, &fileEntry)
+	languageRows, err := allowedLanguage.Parse()
+	if err != nil {
+		return false, err.Error()
+	}
+
+	pairs := []struct {
+		area string
+		typ  *uint8
+		lang string
+	}{
+		{"os", nil, text},
+		{"cn", func() *uint8 { v := uint8(1); return &v }(), voice},
+		{"os", func() *uint8 { v := uint8(1); return &v }(), voice},
+		{"cn", nil, text},
+	}
+	
+	for _, p := range pairs {
+		var found *excelLanguage.LanguageRow
+		for i := range languageRows {
+			if languageRows[i].Area != nil && *languageRows[i].Area == p.area {
+				if (languageRows[i].Type == nil && p.typ == nil) ||
+					(languageRows[i].Type != nil && p.typ != nil && *languageRows[i].Type == *p.typ) {
+					found = &languageRows[i]
+					break
+				}
+			}
+		}
+		if found == nil {
+			continue
+		}
+	
+		found.DefaultLanguage = &p.lang
+		found.LanguageList = []string{p.lang}
+	}
+	
+	data, err := allowedLanguage.Unmarshal(languageRows)
+	if err != nil {
+		return false, err.Error()
+	}
+	
+	filePath := filepath.Join(path, fileEntry.FileByteName+".bytes")
+	
+	f, err := os.OpenFile(filePath, os.O_RDWR, 0644)
+	if err != nil {
+		return false, err.Error()
+	}
+	defer f.Close()
+	
+	if _, err := f.Seek(int64(dataEntry.Offset), 0); err != nil {
+		return false, err.Error()
+	}
+	if _, err := f.Write(data); err != nil {
+		return false, err.Error()
+	}
+	
+	if len(data) < int(dataEntry.Size) {
+		remaining := int(dataEntry.Size) - len(data)
+		zeros := bytes.Repeat([]byte{0}, remaining)
+		if _, err := f.Write(zeros); err != nil {
+			return false, err.Error()
+		}
+	}
+	return true, "success"
+}

internal/util.go

@@ -1,192 +0,0 @@
-package internal
-
-import (
-	"archive/zip"
-	"fmt"
-	"io"
-	"math"
-	"net/http"
-	"os"
-	"path/filepath"
-	"runtime"
-	"sync"
-	"time"
-)
-
-func humanFormat(bytes int64) string {
-	n := float64(bytes)
-	for _, unit := range []string{"", "Ki", "Mi", "Gi"} {
-		if math.Abs(n) < 1024.0 {
-			return fmt.Sprintf("%3.1f%sB", n, unit)
-		}
-		n /= 1024.0
-	}
-	return fmt.Sprintf("%.1fTiB", n)
-}
-
-type WriteCounter struct {
-	Total             uint64
-	StartTime         time.Time
-	OnEmit            func(percent float64, speedMBps float64)
-	TotalSize         int64
-	lastLoggedPercent int
-}
-
-func NewWriteCounter(total int64, onEmit func(percent float64, speedMBps float64)) *WriteCounter {
-	return &WriteCounter{
-		StartTime:         time.Now(),
-		TotalSize:         total,
-		lastLoggedPercent: -1,
-		OnEmit:            onEmit,
-	}
-}
-
-func (wc *WriteCounter) Write(p []byte) (int, error) {
-	n := len(p)
-	wc.Total += uint64(n)
-	wc.PrintProgress()
-	return n, nil
-}
-
-func (wc *WriteCounter) PrintProgress() {
-	elapsed := time.Since(wc.StartTime).Seconds()
-	if elapsed < 0.001 {
-		elapsed = 0.001
-	}
-
-	speed := float64(wc.Total) / 1024 / 1024 / elapsed // MB/s
-	percent := float64(wc.Total) / float64(wc.TotalSize) * 100
-	if wc.OnEmit != nil {
-		wc.OnEmit(percent, speed)
-	}
-}
-
-func DownloadFile(filepath string, url string, onEmit func(percent float64, speed float64)) error {
-	tmpPath := filepath + ".tmp"
-
-	resp, err := http.Get(url)
-	if err != nil {
-		return fmt.Errorf("failed to get file: %w", err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("bad status: %s", resp.Status)
-	}
-
-	out, err := os.Create(tmpPath)
-	if err != nil {
-		return fmt.Errorf("failed to create tmp file: %w", err)
-	}
-
-	counter := NewWriteCounter(resp.ContentLength, onEmit)
-	_, err = io.Copy(out, io.TeeReader(resp.Body, counter))
-	if closeErr := out.Close(); closeErr != nil {
-		return fmt.Errorf("failed to close tmp file: %w", closeErr)
-	}
-	if err != nil {
-		return fmt.Errorf("failed to download file: %w", err)
-	}
-
-	// Delete destination file if it exists
-	if _, err := os.Stat(filepath); err == nil {
-		if err := os.Remove(filepath); err != nil {
-			return fmt.Errorf("failed to remove existing file: %w", err)
-		}
-	}
-
-	for i := 0; i < 3; i++ {
-		err = os.Rename(tmpPath, filepath)
-		if err == nil {
-			break
-		}
-		time.Sleep(300 * time.Millisecond)
-	}
-	if err != nil {
-		return fmt.Errorf("failed to rename after retries: %w", err)
-	}
-
-	return nil
-}
-
-
-
-func unzipParallel(src string, dest string) error {
-	numCPU := runtime.NumCPU()
-
-	reserved := 1
-	if numCPU > 4 {
-		reserved = 2
-	}
-	maxWorkers := numCPU - reserved
-	if maxWorkers < 1 {
-		maxWorkers = 1
-	}
-	r, err := zip.OpenReader(src)
-	if err != nil {
-		return err
-	}
-	defer r.Close()
-
-	err = os.MkdirAll(dest, 0755)
-	if err != nil {
-		return err
-	}
-
-	type job struct {
-		f *zip.File
-	}
-	jobs := make(chan job)
-	var wg sync.WaitGroup
-
-	// Worker pool
-	for i := 0; i < maxWorkers; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			for j := range jobs {
-				err := extractFile(j.f, dest)
-				if err != nil {
-					fmt.Printf("Error extracting %s: %v\n", j.f.Name, err)
-				}
-			}
-		}()
-	}
-
-	// Feed jobs
-	for _, f := range r.File {
-		jobs <- job{f}
-	}
-	close(jobs)
-	wg.Wait()
-
-	return nil
-}
-
-func extractFile(f *zip.File, dest string) error {
-	fp := filepath.Join(dest, f.Name)
-
-	if f.FileInfo().IsDir() {
-		return os.MkdirAll(fp, f.Mode())
-	}
-
-	err := os.MkdirAll(filepath.Dir(fp), 0755)
-	if err != nil {
-		return err
-	}
-
-	rc, err := f.Open()
-	if err != nil {
-		return err
-	}
-	defer rc.Close()
-
-	out, err := os.OpenFile(fp, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
-	if err != nil {
-		return err
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, rc)
-	return err
-}

main.go

@@ -3,7 +3,13 @@ package main
 import (
 	"embed"
 	_ "embed"
-	"firefly-launcher/internal"
+
+	appService "firefly-launcher/internal/app-service"
+	diffService "firefly-launcher/internal/diff-service"
+	fsService "firefly-launcher/internal/fs-service"
+	gitService "firefly-launcher/internal/git-service"
+	languageService "firefly-launcher/internal/language-service"
+
 	"firefly-launcher/pkg/constant"
 	"fmt"
 	"log"
@@ -63,11 +69,11 @@ func main() {
 		Name:        "firefly-launcher",
 		Description: "Firefly Launcher - Kain",
 		Services: []application.Service{
-			application.NewService(&internal.FSService{}),
-			application.NewService(&internal.LanguageService{}),
-			application.NewService(&internal.GitService{}),
-			application.NewService(&internal.HdiffzService{}),
-			application.NewService(&internal.AppService{}),
+			application.NewService(&fsService.FSService{}),
+			application.NewService(&languageService.LanguageService{}),
+			application.NewService(&gitService.GitService{}),
+			application.NewService(&diffService.DiffService{}),
+			application.NewService(&appService.AppService{}),
 		},
 		Assets: application.AssetOptions{
 			Handler: application.AssetFileServerFS(assets),
@@ -78,7 +84,7 @@ func main() {
 	})
 
 	// Create window
-	app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
+	app.Window.NewWithOptions(application.WebviewWindowOptions{
 		Title: "Firefly Launcher - Kain",
 		Mac: application.MacWindow{
 			InvisibleTitleBarHeight: 50,
@@ -92,7 +98,6 @@ func main() {
 		DevToolsEnabled:  true,
 	})
 
-
 	err = app.Run()
 	if err != nil {
 		log.Fatal(err)

pkg/constant/constant.go

@@ -10,8 +10,7 @@ const ProxyZipFile = "64bit.zip"
 const LauncherFile = "firefly-launcher.exe"
 const TempUrl = "./temp"
 
-
-const CurrentLauncherVersion = "1.2"
+const CurrentLauncherVersion = "1.9.0"
 
 type ToolFile string
 
@@ -20,15 +19,13 @@ const (
 	Tool7zaDLL     ToolFile = "bin/7za.dll"
 	Tool7zxaDLL    ToolFile = "bin/7zxa.dll"
 	ToolHPatchzExe ToolFile = "bin/hpatchz.exe"
-	ToolHDiffzExe  ToolFile = "bin/hdiffz.exe"
 )
 
 var RequiredFiles = map[ToolFile]string{
-	Tool7zaExe:     "assets/7zip/7za.exe",
-	Tool7zaDLL:     "assets/7zip/7za.dll",
-	Tool7zxaDLL:    "assets/7zip/7zxa.dll",
-	ToolHPatchzExe: "assets/HDiffPatch/hpatchz.exe",
-	ToolHDiffzExe:  "assets/HDiffPatch/hdiffz.exe",
+	Tool7zaExe:     "assets/7za.exe",
+	Tool7zaDLL:     "assets/7za.dll",
+	Tool7zxaDLL:    "assets/7zxa.dll",
+	ToolHPatchzExe: "assets/hpatchz.exe",
 }
 
 func (t ToolFile) GetEmbedPath() string {

pkg/firefly/chunk.go

@@ -0,0 +1,73 @@
+package firefly
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/exp/mmap"
+)
+
+type ChunkInfo struct {
+	Name   string
+	Offset int64
+	Size   int64
+}
+
+func ProcessWithBufReader(path string, chunks []ChunkInfo) {
+	file, err := os.Open(path)
+	if err != nil {
+		fmt.Printf("Error opening file %s: %v\n", path, err)
+		return
+	}
+	defer file.Close()
+
+	for _, chunk := range chunks {
+		buffer, err := ReadChunkData(file, chunk.Offset, chunk.Size)
+		if err != nil {
+			fmt.Printf("Error reading chunk %s: %v\n", chunk.Name, err)
+			continue
+		}
+
+		assetPath := filepath.Join("chunk_tmp", chunk.Name)
+		parentDir := filepath.Dir(assetPath)
+		if _, err := os.Stat(parentDir); os.IsNotExist(err) {
+			if err := os.MkdirAll(parentDir, 0o755); err != nil {
+				fmt.Printf("Error creating directory %s: %v\n", parentDir, err)
+				continue
+			}
+		}
+
+		if err := os.WriteFile(assetPath, buffer, 0o644); err != nil {
+			fmt.Printf("Error writing chunk file %s: %v\n", assetPath, err)
+		}
+	}
+}
+
+func ReadChunkData(file *os.File, offset, size int64) ([]byte, error) {
+	info, err := file.Stat()
+	if err != nil {
+		return nil, fmt.Errorf("error getting file info: %w", err)
+	}
+
+	if info.Size() > 1024*1024 && size > 1024*1024 {
+		mmapReader, err := mmap.Open(file.Name())
+		if err == nil {
+			defer mmapReader.Close()
+			buffer := make([]byte, size)
+			_, err := mmapReader.ReadAt(buffer, offset)
+			if err != nil && err != io.EOF {
+				return nil, fmt.Errorf("error reading mmap: %w", err)
+			}
+			return buffer, nil
+		}
+	}
+
+	buffer := make([]byte, size)
+	_, err = file.ReadAt(buffer, offset)
+	if err != nil && err != io.EOF {
+		return nil, fmt.Errorf("error reading buffered: %w", err)
+	}
+	return buffer, nil
+}

pkg/firefly/ldiff.go

@@ -0,0 +1,94 @@
+package firefly
+
+import (
+	"firefly-launcher/pkg/firefly/pb"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/exp/mmap"
+)
+
+
+func LDiffFile(data *pb.AssetManifest, assetName string, assetSize int64, ldiffsDir, outputDir string) error {
+	path := filepath.Join(ldiffsDir, data.ChunkFileName)
+
+	info, err := os.Stat(path)
+	if err != nil {
+		return fmt.Errorf("%s does not exist: %w", path, err)
+	}
+
+	fileSize := info.Size()
+	var buffer []byte
+
+	if fileSize > 10*1024*1024 && data.HdiffFileSize > 1*1024*1024 {
+		// mmap for large files using x/exp/mmap
+		reader, err := mmap.Open(path)
+		if err != nil {
+			// fallback to buffered read
+			file, err := os.Open(path)
+			if err != nil {
+				return fmt.Errorf("error opening file %s: %w", path, err)
+			}
+			defer file.Close()
+			buffer, err = ReadBuffer(file, data.HdiffFileInChunkOffset, data.HdiffFileSize)
+			if err != nil {
+				return err
+			}
+		} else {
+			defer reader.Close()
+			buffer = make([]byte, data.HdiffFileSize)
+			_, err := reader.ReadAt(buffer, data.HdiffFileInChunkOffset)
+			if err != nil {
+				return fmt.Errorf("error reading mmap data: %w", err)
+			}
+		}
+	} else {
+		// small files, buffered read
+		file, err := os.Open(path)
+		if err != nil {
+			return fmt.Errorf("error opening file %s: %w", path, err)
+		}
+		defer file.Close()
+
+		buffer, err = ReadBuffer(file, data.HdiffFileInChunkOffset, data.HdiffFileSize)
+		if err != nil {
+			return err
+		}
+	}
+
+	extension := ""
+	if data.OriginalFileSize != 0 || assetSize != data.HdiffFileSize {
+		extension = ".hdiff"
+	}
+	assetPath := filepath.Join(outputDir, assetName+extension)
+	parentDir := filepath.Dir(assetPath)
+	if _, err := os.Stat(parentDir); os.IsNotExist(err) {
+		if err := os.MkdirAll(parentDir, 0o755); err != nil {
+			return fmt.Errorf("error creating directory %s: %w", parentDir, err)
+		}
+	}
+
+	if err := os.WriteFile(assetPath, buffer, 0o644); err != nil {
+		return fmt.Errorf("error writing file %s: %w", assetPath, err)
+	}
+
+	return nil
+}
+
+
+
+func ReadBuffer(file *os.File, offset int64, size int64) ([]byte, error) {
+	buffer := make([]byte, size)
+
+	n, err := file.ReadAt(buffer, offset)
+	if err != nil {
+		return nil, fmt.Errorf("error reading data: %w", err)
+	}
+	if int64(n) != size {
+		return nil, fmt.Errorf("expected %d bytes, but read %d bytes", size, n)
+	}
+
+	return buffer, nil
+}
+

pkg/firefly/loader.go

@@ -0,0 +1,66 @@
+package firefly
+
+import (
+	"bufio"
+	"firefly-launcher/pkg/firefly/pb"
+	"io"
+	"os"
+
+	"github.com/klauspost/compress/zstd"
+	"google.golang.org/protobuf/proto"
+)
+
+func LoadChunkProto(path string) (*pb.ChunkProto, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	decoder, err := zstd.NewReader(reader)
+	if err != nil {
+		return nil, err
+	}
+	defer decoder.Close()
+
+	data, err := io.ReadAll(decoder)
+	if err != nil {
+		return nil, err
+	}
+
+	var chunk pb.ChunkProto
+	if err := proto.Unmarshal(data, &chunk); err != nil {
+		return nil, err
+	}
+
+	return &chunk, nil
+}
+
+// Load ManifestProto từ file Zstd + Protobuf
+func LoadManifestProto(path string) (*pb.ManifestProto, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	decoder, err := zstd.NewReader(reader)
+	if err != nil {
+		return nil, err
+	}
+	defer decoder.Close()
+
+	data, err := io.ReadAll(decoder)
+	if err != nil {
+		return nil, err
+	}
+
+	var manifest pb.ManifestProto
+	if err := proto.Unmarshal(data, &manifest); err != nil {
+		return nil, err
+	}
+
+	return &manifest, nil
+}

pkg/firefly/pb/firefly.pb.go

@@ -0,0 +1,651 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.5
+// 	protoc        v4.25.6
+// source: proto/firefly.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ChunkProto struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Assets        []*AssetChunkProperty  `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ChunkProto) Reset() {
+	*x = ChunkProto{}
+	mi := &file_proto_firefly_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ChunkProto) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ChunkProto) ProtoMessage() {}
+
+func (x *ChunkProto) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ChunkProto.ProtoReflect.Descriptor instead.
+func (*ChunkProto) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ChunkProto) GetAssets() []*AssetChunkProperty {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetChunkProperty struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	AssetName     string                 `protobuf:"bytes,1,opt,name=asset_name,json=assetName,proto3" json:"asset_name,omitempty"`
+	AssetChunks   []*AssetChunk          `protobuf:"bytes,2,rep,name=asset_chunks,json=assetChunks,proto3" json:"asset_chunks,omitempty"`
+	AssetType     int32                  `protobuf:"varint,3,opt,name=asset_type,json=assetType,proto3" json:"asset_type,omitempty"`
+	AssetSize     int64                  `protobuf:"varint,4,opt,name=asset_size,json=assetSize,proto3" json:"asset_size,omitempty"`
+	AssetHashMd5  string                 `protobuf:"bytes,5,opt,name=asset_hash_md5,json=assetHashMd5,proto3" json:"asset_hash_md5,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AssetChunkProperty) Reset() {
+	*x = AssetChunkProperty{}
+	mi := &file_proto_firefly_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetChunkProperty) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetChunkProperty) ProtoMessage() {}
+
+func (x *AssetChunkProperty) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetChunkProperty.ProtoReflect.Descriptor instead.
+func (*AssetChunkProperty) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *AssetChunkProperty) GetAssetName() string {
+	if x != nil {
+		return x.AssetName
+	}
+	return ""
+}
+
+func (x *AssetChunkProperty) GetAssetChunks() []*AssetChunk {
+	if x != nil {
+		return x.AssetChunks
+	}
+	return nil
+}
+
+func (x *AssetChunkProperty) GetAssetType() int32 {
+	if x != nil {
+		return x.AssetType
+	}
+	return 0
+}
+
+func (x *AssetChunkProperty) GetAssetSize() int64 {
+	if x != nil {
+		return x.AssetSize
+	}
+	return 0
+}
+
+func (x *AssetChunkProperty) GetAssetHashMd5() string {
+	if x != nil {
+		return x.AssetHashMd5
+	}
+	return ""
+}
+
+type AssetChunk struct {
+	state                    protoimpl.MessageState `protogen:"open.v1"`
+	ChunkName                string                 `protobuf:"bytes,1,opt,name=chunk_name,json=chunkName,proto3" json:"chunk_name,omitempty"`
+	ChunkDecompressedHashMd5 string                 `protobuf:"bytes,2,opt,name=chunk_decompressed_hash_md5,json=chunkDecompressedHashMd5,proto3" json:"chunk_decompressed_hash_md5,omitempty"`
+	ChunkOnFileOffset        int64                  `protobuf:"varint,3,opt,name=chunk_on_file_offset,json=chunkOnFileOffset,proto3" json:"chunk_on_file_offset,omitempty"`
+	ChunkSize                int64                  `protobuf:"varint,4,opt,name=chunk_size,json=chunkSize,proto3" json:"chunk_size,omitempty"`
+	ChunkSizeDecompressed    int64                  `protobuf:"varint,5,opt,name=chunk_size_decompressed,json=chunkSizeDecompressed,proto3" json:"chunk_size_decompressed,omitempty"`
+	unknownFields            protoimpl.UnknownFields
+	sizeCache                protoimpl.SizeCache
+}
+
+func (x *AssetChunk) Reset() {
+	*x = AssetChunk{}
+	mi := &file_proto_firefly_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetChunk) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetChunk) ProtoMessage() {}
+
+func (x *AssetChunk) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetChunk.ProtoReflect.Descriptor instead.
+func (*AssetChunk) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *AssetChunk) GetChunkName() string {
+	if x != nil {
+		return x.ChunkName
+	}
+	return ""
+}
+
+func (x *AssetChunk) GetChunkDecompressedHashMd5() string {
+	if x != nil {
+		return x.ChunkDecompressedHashMd5
+	}
+	return ""
+}
+
+func (x *AssetChunk) GetChunkOnFileOffset() int64 {
+	if x != nil {
+		return x.ChunkOnFileOffset
+	}
+	return 0
+}
+
+func (x *AssetChunk) GetChunkSize() int64 {
+	if x != nil {
+		return x.ChunkSize
+	}
+	return 0
+}
+
+func (x *AssetChunk) GetChunkSizeDecompressed() int64 {
+	if x != nil {
+		return x.ChunkSizeDecompressed
+	}
+	return 0
+}
+
+type ManifestProto struct {
+	state         protoimpl.MessageState   `protogen:"open.v1"`
+	Assets        []*AssetManifestProperty `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ManifestProto) Reset() {
+	*x = ManifestProto{}
+	mi := &file_proto_firefly_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ManifestProto) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ManifestProto) ProtoMessage() {}
+
+func (x *ManifestProto) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ManifestProto.ProtoReflect.Descriptor instead.
+func (*ManifestProto) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ManifestProto) GetAssets() []*AssetManifestProperty {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetManifestProperty struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	AssetName     string                 `protobuf:"bytes,1,opt,name=asset_name,json=assetName,proto3" json:"asset_name,omitempty"`
+	AssetSize     int64                  `protobuf:"varint,2,opt,name=asset_size,json=assetSize,proto3" json:"asset_size,omitempty"`
+	AssetHashMd5  string                 `protobuf:"bytes,3,opt,name=asset_hash_md5,json=assetHashMd5,proto3" json:"asset_hash_md5,omitempty"`
+	AssetData     *AssetManifestChunk    `protobuf:"bytes,4,opt,name=asset_data,json=assetData,proto3" json:"asset_data,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AssetManifestProperty) Reset() {
+	*x = AssetManifestProperty{}
+	mi := &file_proto_firefly_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifestProperty) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifestProperty) ProtoMessage() {}
+
+func (x *AssetManifestProperty) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifestProperty.ProtoReflect.Descriptor instead.
+func (*AssetManifestProperty) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *AssetManifestProperty) GetAssetName() string {
+	if x != nil {
+		return x.AssetName
+	}
+	return ""
+}
+
+func (x *AssetManifestProperty) GetAssetSize() int64 {
+	if x != nil {
+		return x.AssetSize
+	}
+	return 0
+}
+
+func (x *AssetManifestProperty) GetAssetHashMd5() string {
+	if x != nil {
+		return x.AssetHashMd5
+	}
+	return ""
+}
+
+func (x *AssetManifestProperty) GetAssetData() *AssetManifestChunk {
+	if x != nil {
+		return x.AssetData
+	}
+	return nil
+}
+
+type AssetManifestChunk struct {
+	state              protoimpl.MessageState `protogen:"open.v1"`
+	LatestAssetVersion string                 `protobuf:"bytes,1,opt,name=latest_asset_version,json=latestAssetVersion,proto3" json:"latest_asset_version,omitempty"`
+	Assets             []*AssetManifest       `protobuf:"bytes,2,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields      protoimpl.UnknownFields
+	sizeCache          protoimpl.SizeCache
+}
+
+func (x *AssetManifestChunk) Reset() {
+	*x = AssetManifestChunk{}
+	mi := &file_proto_firefly_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifestChunk) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifestChunk) ProtoMessage() {}
+
+func (x *AssetManifestChunk) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifestChunk.ProtoReflect.Descriptor instead.
+func (*AssetManifestChunk) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *AssetManifestChunk) GetLatestAssetVersion() string {
+	if x != nil {
+		return x.LatestAssetVersion
+	}
+	return ""
+}
+
+func (x *AssetManifestChunk) GetAssets() []*AssetManifest {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetManifest struct {
+	state                  protoimpl.MessageState `protogen:"open.v1"`
+	ChunkFileName          string                 `protobuf:"bytes,1,opt,name=chunk_file_name,json=chunkFileName,proto3" json:"chunk_file_name,omitempty"`
+	ChunkFileVersion       string                 `protobuf:"bytes,2,opt,name=chunk_file_version,json=chunkFileVersion,proto3" json:"chunk_file_version,omitempty"`
+	ChunkFileNode          string                 `protobuf:"bytes,3,opt,name=chunk_file_node,json=chunkFileNode,proto3" json:"chunk_file_node,omitempty"`
+	ChunkFileSize          int64                  `protobuf:"varint,4,opt,name=chunk_file_size,json=chunkFileSize,proto3" json:"chunk_file_size,omitempty"`
+	ChunkFileMd5           string                 `protobuf:"bytes,5,opt,name=chunk_file_md5,json=chunkFileMd5,proto3" json:"chunk_file_md5,omitempty"`
+	HdiffFileInChunkOffset int64                  `protobuf:"varint,6,opt,name=hdiff_file_in_chunk_offset,json=hdiffFileInChunkOffset,proto3" json:"hdiff_file_in_chunk_offset,omitempty"`
+	HdiffFileSize          int64                  `protobuf:"varint,7,opt,name=hdiff_file_size,json=hdiffFileSize,proto3" json:"hdiff_file_size,omitempty"`
+	OriginalFilePath       string                 `protobuf:"bytes,8,opt,name=original_file_path,json=originalFilePath,proto3" json:"original_file_path,omitempty"`
+	OriginalFileSize       int64                  `protobuf:"varint,9,opt,name=original_file_size,json=originalFileSize,proto3" json:"original_file_size,omitempty"`
+	OriginalFileMd5        string                 `protobuf:"bytes,10,opt,name=original_file_md5,json=originalFileMd5,proto3" json:"original_file_md5,omitempty"`
+	unknownFields          protoimpl.UnknownFields
+	sizeCache              protoimpl.SizeCache
+}
+
+func (x *AssetManifest) Reset() {
+	*x = AssetManifest{}
+	mi := &file_proto_firefly_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifest) ProtoMessage() {}
+
+func (x *AssetManifest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifest.ProtoReflect.Descriptor instead.
+func (*AssetManifest) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *AssetManifest) GetChunkFileName() string {
+	if x != nil {
+		return x.ChunkFileName
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileVersion() string {
+	if x != nil {
+		return x.ChunkFileVersion
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileNode() string {
+	if x != nil {
+		return x.ChunkFileNode
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileSize() int64 {
+	if x != nil {
+		return x.ChunkFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetChunkFileMd5() string {
+	if x != nil {
+		return x.ChunkFileMd5
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetHdiffFileInChunkOffset() int64 {
+	if x != nil {
+		return x.HdiffFileInChunkOffset
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetHdiffFileSize() int64 {
+	if x != nil {
+		return x.HdiffFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetOriginalFilePath() string {
+	if x != nil {
+		return x.OriginalFilePath
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetOriginalFileSize() int64 {
+	if x != nil {
+		return x.OriginalFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetOriginalFileMd5() string {
+	if x != nil {
+		return x.OriginalFileMd5
+	}
+	return ""
+}
+
+var File_proto_firefly_proto protoreflect.FileDescriptor
+
+var file_proto_firefly_proto_rawDesc = string([]byte{
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+	0x66, 0x69, 0x6c, 0x65, 0x5f, 0x73, 0x69, 0x7a, 0x65, 0x18, 0x09, 0x20, 0x01, 0x28, 0x03, 0x52,
+	0x10, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x46, 0x69, 0x6c, 0x65, 0x53, 0x69, 0x7a,
+	0x65, 0x12, 0x2a, 0x0a, 0x11, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x5f, 0x66, 0x69,
+	0x6c, 0x65, 0x5f, 0x6d, 0x64, 0x35, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x6f, 0x72,
+	0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x46, 0x69, 0x6c, 0x65, 0x4d, 0x64, 0x35, 0x42, 0x0e, 0x5a,
+	0x0c, 0x2e, 0x2f, 0x66, 0x69, 0x72, 0x65, 0x66, 0x6c, 0x79, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
+
+var (
+	file_proto_firefly_proto_rawDescOnce sync.Once
+	file_proto_firefly_proto_rawDescData []byte
+)
+
+func file_proto_firefly_proto_rawDescGZIP() []byte {
+	file_proto_firefly_proto_rawDescOnce.Do(func() {
+		file_proto_firefly_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_proto_firefly_proto_rawDesc), len(file_proto_firefly_proto_rawDesc)))
+	})
+	return file_proto_firefly_proto_rawDescData
+}
+
+var file_proto_firefly_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_proto_firefly_proto_goTypes = []any{
+	(*ChunkProto)(nil),            // 0: firefly.ChunkProto
+	(*AssetChunkProperty)(nil),    // 1: firefly.AssetChunkProperty
+	(*AssetChunk)(nil),            // 2: firefly.AssetChunk
+	(*ManifestProto)(nil),         // 3: firefly.ManifestProto
+	(*AssetManifestProperty)(nil), // 4: firefly.AssetManifestProperty
+	(*AssetManifestChunk)(nil),    // 5: firefly.AssetManifestChunk
+	(*AssetManifest)(nil),         // 6: firefly.AssetManifest
+}
+var file_proto_firefly_proto_depIdxs = []int32{
+	1, // 0: firefly.ChunkProto.assets:type_name -> firefly.AssetChunkProperty
+	2, // 1: firefly.AssetChunkProperty.asset_chunks:type_name -> firefly.AssetChunk
+	4, // 2: firefly.ManifestProto.assets:type_name -> firefly.AssetManifestProperty
+	5, // 3: firefly.AssetManifestProperty.asset_data:type_name -> firefly.AssetManifestChunk
+	6, // 4: firefly.AssetManifestChunk.assets:type_name -> firefly.AssetManifest
+	5, // [5:5] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
+}
+
+func init() { file_proto_firefly_proto_init() }
+func file_proto_firefly_proto_init() {
+	if File_proto_firefly_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_proto_firefly_proto_rawDesc), len(file_proto_firefly_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_proto_firefly_proto_goTypes,
+		DependencyIndexes: file_proto_firefly_proto_depIdxs,
+		MessageInfos:      file_proto_firefly_proto_msgTypes,
+	}.Build()
+	File_proto_firefly_proto = out.File
+	file_proto_firefly_proto_goTypes = nil
+	file_proto_firefly_proto_depIdxs = nil
+}

pkg/hpatchz/hpatchz.go

@@ -0,0 +1,34 @@
+package hpatchz
+
+import (
+	"firefly-launcher/pkg/constant"
+	"fmt"
+	"os/exec"
+	"syscall"
+)
+
+func ApplyPatch(oldFile, diffFile, newFile string) error {
+	cmd := exec.Command(constant.ToolHPatchzExe.String(), "-f", oldFile, diffFile, newFile)
+	cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("failed to execute hpatchz: %w", err)
+	}
+	if cmd.ProcessState.ExitCode() != 0 {
+		return fmt.Errorf("hpatchz failed: %s", string(output))
+	}
+	return nil
+}
+
+func ApplyPatchEmpty(diffFile, newFile string) error {
+	cmd := exec.Command(constant.ToolHPatchzExe.String(), "-f", "", diffFile, newFile)
+	cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("failed to execute hpatchz: %w", err)
+	}
+	if cmd.ProcessState.ExitCode() != 0 {
+		return fmt.Errorf("hpatchz failed: %s", string(output))
+	}
+	return nil
+}

pkg/language-patch/asset-meta/bytehash16.go

@@ -0,0 +1,30 @@
+package assetMeta
+
+import (
+	"fmt"
+	"io"
+)
+
+type ByteHash16 []byte
+
+func ByteHash16FromBytes(r io.ReadSeeker) (ByteHash16, error) {
+	fullHash := make([]byte, 16)
+	buf := make([]byte, 4)
+	for i := 0; i < 4; i++ {
+		if _, err := io.ReadFull(r, buf); err != nil {
+			return nil, err
+		}
+		for j := 0; j < 4; j++ {
+			fullHash[i*4+j] = buf[3-j]
+		}
+	}
+	return ByteHash16(fullHash), nil
+}
+
+func (b ByteHash16) String() string {
+	s := ""
+	for _, v := range b {
+		s += fmt.Sprintf("%02x", v)
+	}
+	return s
+}

pkg/language-patch/asset-meta/dataEntry.go

@@ -0,0 +1,28 @@
+package assetMeta
+
+import (
+	"encoding/binary"
+	"io"
+)
+
+type DataEntry struct {
+	NameHash int32
+	Size     uint32
+	Offset   uint32
+}
+
+func DataEntryFromBytes(r io.Reader) (*DataEntry, error) {
+	var d DataEntry
+
+	if err := binary.Read(r, binary.BigEndian, &d.NameHash); err != nil {
+		return nil, err
+	}
+	if err := binary.Read(r, binary.BigEndian, &d.Size); err != nil {
+		return nil, err
+	}
+	if err := binary.Read(r, binary.BigEndian, &d.Offset); err != nil {
+		return nil, err
+	}
+
+	return &d, nil
+}

pkg/language-patch/asset-meta/designIndex.go

@@ -0,0 +1,98 @@
+package assetMeta
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+
+type DesignIndex struct {
+	UnkI64          int64
+	FileCount       int32
+	DesignDataCount int32
+	FileList        []FileEntry
+}
+
+
+
+func (d *DesignIndex) FindDataAndFileByTarget(target int32) (DataEntry, FileEntry, error) {
+	for _, file := range d.FileList {
+		for _, entry := range file.DataEntries {
+			if entry.NameHash == target {
+				return entry, file, nil
+			}
+		}
+	}
+	return DataEntry{}, FileEntry{}, errors.New("not found")
+}
+
+
+func DesignIndexFromBytes(assetFolder string, indexHash string) (*DesignIndex, error) {
+	path := filepath.Join(assetFolder, fmt.Sprintf("DesignV_%s.bytes", indexHash))
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+	r := bytes.NewReader(data)
+
+	var d DesignIndex
+
+	if err := binary.Read(r, binary.BigEndian, &d.UnkI64); err != nil {
+		return nil, err
+	}
+	if err := binary.Read(r, binary.BigEndian, &d.FileCount); err != nil {
+		return nil, err
+	}
+	if err := binary.Read(r, binary.BigEndian, &d.DesignDataCount); err != nil {
+		return nil, err
+	}
+
+	d.FileList = make([]FileEntry, 0, d.FileCount)
+	for i := int32(0); i < d.FileCount; i++ {
+		entry, err := FileEntryFromBytes(r)
+		if err != nil {
+			return nil, err
+		}
+		d.FileList = append(d.FileList, *entry)
+	}
+
+	return &d, nil
+}
+
+
+func GetIndexHash(assetFolder string) (string, error) {
+	path := filepath.Join(assetFolder, "M_DesignV.bytes")
+
+	f, err := os.Open(path)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	_, err = f.Seek(0x1C, 0)
+	if err != nil {
+		return "", err
+	}
+
+	hash := make([]byte, 0x10)
+	index := 0
+	for i := 0; i < 4; i++ {
+		chunk := make([]byte, 4)
+		_, err := f.Read(chunk)
+		if err != nil {
+			return "", err
+		}
+
+		for bytePos := 3; bytePos >= 0; bytePos-- {
+			hash[index] = chunk[bytePos]
+			index++
+		}
+	}
+
+	return hex.EncodeToString(hash), nil
+}

pkg/language-patch/asset-meta/fileEntry.go

@@ -0,0 +1,63 @@
+package assetMeta
+
+import (
+	"encoding/binary"
+	"fmt"
+	"io"
+)
+
+type FileEntry struct {
+	NameHash       int32
+	FileByteName   string
+	Size           int64
+	DataCount      int32
+	DataEntries    []DataEntry
+	Unk            uint8
+}
+
+func FileEntryFromBytes(r io.Reader) (*FileEntry, error) {
+	var f FileEntry
+
+	if err := binary.Read(r, binary.BigEndian, &f.NameHash); err != nil {
+		return nil, err
+	}
+
+	buf := make([]byte, 16)
+	if _, err := io.ReadFull(r, buf); err != nil {
+		return nil, err
+	}
+	f.FileByteName = toHex(buf)
+
+	if err := binary.Read(r, binary.BigEndian, &f.Size); err != nil {
+		return nil, err
+	}
+	if err := binary.Read(r, binary.BigEndian, &f.DataCount); err != nil {
+		return nil, err
+	}
+
+	f.DataEntries = make([]DataEntry, 0, f.DataCount)
+	for i := int32(0); i < f.DataCount; i++ {
+		entry, err := DataEntryFromBytes(r)
+		if err != nil {
+			return nil, err
+		}
+		f.DataEntries = append(f.DataEntries, *entry)
+	}
+
+	// read 1 byte
+	b := make([]byte, 1)
+	if _, err := r.Read(b); err != nil {
+		return nil, err
+	}
+	f.Unk = b[0]
+
+	return &f, nil
+}
+
+func toHex(buf []byte) string {
+	s := ""
+	for _, b := range buf {
+		s += fmt.Sprintf("%02x", b)
+	}
+	return s
+}

pkg/language-patch/asset-meta/miniAsset.go

@@ -0,0 +1,32 @@
+package assetMeta
+
+import (
+	"encoding/binary"
+	"io"
+)
+
+type MiniAsset struct {
+	RevisionID      uint32
+	DesignIndexHash ByteHash16
+}
+
+func MiniAssetFromBytes(r io.ReadSeeker) (*MiniAsset, error) {
+	if _, err := r.Seek(6*4, io.SeekCurrent); err != nil {
+		return nil, err
+	}
+
+	var revID uint32
+	if err := binary.Read(r, binary.LittleEndian, &revID); err != nil {
+		return nil, err
+	}
+
+	hash, err := ByteHash16FromBytes(r)
+	if err != nil {
+		return nil, err
+	}
+
+	return &MiniAsset{
+		RevisionID:      revID,
+		DesignIndexHash: hash,
+	}, nil
+}

pkg/language-patch/excel-language/patch.go

@@ -0,0 +1,114 @@
+package excelLanguage
+
+import (
+	"bytes"
+	assetMeta "firefly-launcher/pkg/language-patch/asset-meta"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+type ExcelLanguage struct {
+	AssetFolder    string
+	ExcelDataEntry *assetMeta.DataEntry
+	ExcelFileEntry *assetMeta.FileEntry
+}
+
+func NewExcelLanguage(assetFolder string, dataEntry *assetMeta.DataEntry, fileEntry *assetMeta.FileEntry) *ExcelLanguage {
+	return &ExcelLanguage{
+		AssetFolder:    assetFolder,
+		ExcelDataEntry: dataEntry,
+		ExcelFileEntry: fileEntry,
+	}
+}
+
+func (a *ExcelLanguage) Unmarshal(rows []LanguageRow) ([]byte, error) {
+	buf := new(bytes.Buffer)
+
+	buf.WriteByte(0)
+	if err := writeI8Varint(buf, int8(len(rows))); err != nil {
+		return nil, err
+	}
+
+	for _, row := range rows {
+		rowData, err := row.Unmarshal()
+		if err != nil {
+			return nil, err
+		}
+		if _, err := buf.Write(rowData); err != nil {
+			return nil, err
+		}
+	}
+
+	return buf.Bytes(), nil
+}
+
+func (a *ExcelLanguage) Parse() ([]LanguageRow, error) {
+	excelPath := filepath.Join(a.AssetFolder, a.ExcelFileEntry.FileByteName+".bytes")
+
+	f, err := os.Open(excelPath)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	if _, err := f.Seek(int64(a.ExcelDataEntry.Offset), io.SeekStart); err != nil {
+		return nil, err
+	}
+
+	buffer := make([]byte, a.ExcelDataEntry.Size)
+	if _, err := io.ReadFull(f, buffer); err != nil {
+		return nil, err
+	}
+
+	reader := bytes.NewReader(buffer)
+
+	_, _ = reader.ReadByte() // skip first byte
+	count, err := readI8Varint(reader)
+	if err != nil {
+		return nil, err
+	}
+
+	rows := make([]LanguageRow, 0, count)
+	for i := 0; i < count; i++ {
+		bitmask, err := reader.ReadByte()
+		if err != nil {
+			return nil, err
+		}
+
+		row := LanguageRow{}
+
+		if bitmask&(1<<0) != 0 {
+			s, err := readString(reader)
+			if err != nil {
+				return nil, err
+			}
+			row.Area = &s
+		}
+		if bitmask&(1<<1) != 0 {
+			t, err := reader.ReadByte()
+			if err != nil {
+				return nil, err
+			}
+			row.Type = &t
+		}
+		if bitmask&(1<<2) != 0 {
+			arr, err := readStringArray(reader)
+			if err != nil {
+				return nil, err
+			}
+			row.LanguageList = arr
+		}
+		if bitmask&(1<<3) != 0 {
+			s, err := readString(reader)
+			if err != nil {
+				return nil, err
+			}
+			row.DefaultLanguage = &s
+		}
+
+		rows = append(rows, row)
+	}
+
+	return rows, nil
+}

pkg/language-patch/excel-language/row.go

@@ -0,0 +1,81 @@
+package excelLanguage
+
+import (
+	"bytes"
+	"errors"
+)
+
+type LanguageRow struct {
+	Area            *string
+	Type            *uint8
+	LanguageList    []string
+	DefaultLanguage *string
+}
+
+func (r *LanguageRow) Unmarshal() ([]byte, error) {
+	buf := new(bytes.Buffer)
+
+	var bitmask uint8
+	if r.Area != nil {
+		bitmask |= 1 << 0
+	}
+	if r.Type != nil {
+		bitmask |= 1 << 1
+	}
+	if len(r.LanguageList) > 0 {
+		bitmask |= 1 << 2
+	}
+	if r.DefaultLanguage != nil {
+		bitmask |= 1 << 3
+	}
+
+	if err := buf.WriteByte(bitmask); err != nil {
+		return nil, err
+	}
+
+	if r.Area != nil {
+		if err := writeString(buf, *r.Area); err != nil {
+			return nil, err
+		}
+	}
+	if r.Type != nil {
+		if err := buf.WriteByte(*r.Type); err != nil {
+			return nil, err
+		}
+	}
+	if len(r.LanguageList) > 0 {
+		if err := writeStringArray(buf, r.LanguageList); err != nil {
+			return nil, err
+		}
+	}
+	if r.DefaultLanguage != nil {
+		if err := writeString(buf, *r.DefaultLanguage); err != nil {
+			return nil, err
+		}
+	}
+
+	return buf.Bytes(), nil
+}
+
+func writeString(buf *bytes.Buffer, s string) error {
+	if len(s) > 255 {
+		return errors.New("string too long")
+	}
+	if err := buf.WriteByte(uint8(len(s))); err != nil {
+		return err
+	}
+	_, err := buf.Write([]byte(s))
+	return err
+}
+
+func writeStringArray(buf *bytes.Buffer, arr []string) error {
+	if err := writeI8Varint(buf, int8(len(arr))); err != nil {
+		return err
+	}
+	for _, s := range arr {
+		if err := writeString(buf, s); err != nil {
+			return err
+		}
+	}
+	return nil
+}

pkg/language-patch/excel-language/utils.go

@@ -0,0 +1,53 @@
+package excelLanguage
+
+import (
+	"bytes"
+	"encoding/binary"
+	"io"
+)
+
+func writeI8Varint(buf *bytes.Buffer, v int8) error {
+	uv := uint64((uint32(v) << 1) ^ uint32(v>>7)) // zigzag encode
+	b := make([]byte, binary.MaxVarintLen64)
+	n := binary.PutUvarint(b, uv)
+	_, err := buf.Write(b[:n])
+	return err
+}
+
+func readI8Varint(r *bytes.Reader) (int, error) {
+	uv, err := binary.ReadUvarint(r)
+	if err != nil {
+		return 0, err
+	}
+	// zigzag decode
+	v := int((uv >> 1) ^ uint64((int64(uv&1)<<63)>>63))
+	return v, nil
+}
+
+func readString(r *bytes.Reader) (string, error) {
+	l, err := r.ReadByte()
+	if err != nil {
+		return "", err
+	}
+	buf := make([]byte, l)
+	if _, err := io.ReadFull(r, buf); err != nil {
+		return "", err
+	}
+	return string(buf), nil
+}
+
+func readStringArray(r *bytes.Reader) ([]string, error) {
+	length, err := readI8Varint(r)
+	if err != nil {
+		return nil, err
+	}
+	arr := make([]string, 0, length)
+	for i := 0; i < length; i++ {
+		s, err := readString(r)
+		if err != nil {
+			return nil, err
+		}
+		arr = append(arr, s)
+	}
+	return arr, nil
+}

pkg/models/binary-version.go

@@ -4,14 +4,16 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"regexp"
 	"strconv"
-	"strings"
 )
 
 type BinaryVersion struct {
+	Name  string
 	Major int
 	Minor int
 	Patch int
+	Data  []byte
 }
 
 func ParseBinaryVersion(path string) (*BinaryVersion, error) {
@@ -21,53 +23,39 @@ func ParseBinaryVersion(path string) (*BinaryVersion, error) {
 	}
 
 	content := string(data)
+	fmt.Println(content)
 
-	dashPos := strings.LastIndex(content, "-")
-	if dashPos == -1 {
-		return nil, errors.New("no dash found in version string")
-	}
-
-	start := dashPos - 6
-	if start < 0 {
-		start = 0
-	}
-
-	versionSlice := content[start:]
-	end := strings.Index(versionSlice, "-")
-	if end == -1 {
-		end = len(versionSlice)
-	}
-
-	versionStr := versionSlice[:end]
-	parts := strings.SplitN(versionStr, ".", 3)
-	if len(parts) != 3 {
+	re := regexp.MustCompile(`([A-Za-z]+)(\d+)(?:\.(\d+))?(?:\.(\d+))?`)
+	matches := re.FindStringSubmatch(content)
+	if len(matches) < 2 {
 		return nil, errors.New("invalid version format")
 	}
 
-	major, err := strconv.Atoi(parts[0])
-	if err != nil {
-		return nil, err
+	binaryVersion := BinaryVersion{
+		Name: matches[1],
 	}
-	minor, err := strconv.Atoi(parts[1])
-	if err != nil {
-		return nil, err
+	if matches[2] != "" {
+		binaryVersion.Major, _ = strconv.Atoi(matches[2])
 	}
-	patch, err := strconv.Atoi(parts[2])
-	if err != nil {
-		return nil, err
+	if len(matches) > 3 && matches[3] != "" {
+		binaryVersion.Minor, _ = strconv.Atoi(matches[3])
+	}
+	if len(matches) > 4 && matches[4] != "" {
+		binaryVersion.Patch, _ = strconv.Atoi(matches[4])
 	}
 
-	return &BinaryVersion{major, minor, patch}, nil
+	binaryVersion.Data = data
+	return &binaryVersion, nil
 }
 
 func (v *BinaryVersion) String() string {
-	return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch)
+	return fmt.Sprintf("%s-%d.%d.%d", v.Name, v.Major, v.Minor, v.Patch)
 }
 
 func (v BinaryVersion) ToInt() int {
 	return v.Major*100 + v.Minor*10 + v.Patch
 }
 
-func (v BinaryVersion) Subtract(other BinaryVersion) int {
+func (v BinaryVersion) Subtract(other *BinaryVersion) int {
 	return v.ToInt() - other.ToInt()
 }

pkg/models/hdiffFiles.go

@@ -0,0 +1,43 @@
+package models
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type HDiffFiles struct {
+	RemoteFile string `json:"remoteName"`
+}
+func (h *HDiffFiles) ToHDiffData() *HDiffData {
+	return &HDiffData{
+		SourceFileName: h.RemoteFile,
+		TargetFileName: h.RemoteFile,
+		PatchFileName:  fmt.Sprintf("%s.hdiff", h.RemoteFile),
+	}
+}
+
+func LoadHDiffFiles(path string) ([]*HDiffFiles, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	var results []*HDiffFiles
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		var item HDiffFiles
+		if err := json.Unmarshal([]byte(line), &item); err == nil {
+			results = append(results, &item)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+
+	return results, nil
+}

pkg/models/hdiffmap.go

@@ -13,3 +13,17 @@ type DiffMapType struct {
 	PatchFileMD5  string `json:"patch_file_md5"`
 	PatchFileSize int64  `json:"patch_file_size"`
 }
+
+type HDiffData struct {
+	SourceFileName string `json:"source_file_name"`
+	TargetFileName string `json:"target_file_name"`
+	PatchFileName  string `json:"patch_file_name"`
+}
+
+func (d *DiffMapType) ToHDiffData() *HDiffData {
+	return &HDiffData{
+		SourceFileName: d.SourceFileName,
+		TargetFileName: d.TargetFileName,
+		PatchFileName:  d.PatchFileName,
+	}
+}

pkg/models/pkgVersion.go

@@ -0,0 +1,36 @@
+package models
+
+import (
+	"bufio"
+	"encoding/json"
+	"os"
+)
+
+type PkgVersion struct {
+	RemoteFile string `json:"remoteName"`
+	MD5        string `json:"md5"`
+}
+
+func LoadPkgVersion(path string) ([]*PkgVersion, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	var results []*PkgVersion
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		var item PkgVersion
+		if err := json.Unmarshal([]byte(line), &item); err == nil {
+			results = append(results, &item)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+
+	return results, nil
+}

pkg/sevenzip/sevenzip.go

@@ -21,14 +21,58 @@ func IsFileIn7z(archivePath, fileInside string) (bool, error) {
 
 	lines := strings.Split(out.String(), "\n")
 	for _, line := range lines {
-		if strings.Contains(line, fileInside) {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		parts := strings.Fields(line)
+		if len(parts) > 0 {
+			path := parts[len(parts)-1]
+			if path == fileInside {
 				return true, nil
 			}
 		}
 
+	}
+
 	return false, fmt.Errorf("%s not found in %s", fileInside, archivePath)
 }
 
+func ListFilesInZip(archivePath string) ([]string, error) {
+	cmd := exec.Command(constant.Tool7zaExe.String(), "l", archivePath)
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &out
+
+	if err := cmd.Run(); err != nil {
+		return nil, fmt.Errorf("7za list failed: %v\nOutput: %s", err, out.String())
+	}
+
+	lines := strings.Split(out.String(), "\n")
+	var files []string
+	foundTable := false
+
+	for _, line := range lines {
+		if strings.HasPrefix(line, "----------") {
+			if foundTable {
+				break 
+			}
+			foundTable = true
+			continue
+		}
+
+		if foundTable {
+			fields := strings.Fields(line)
+			if len(fields) >= 6 {
+				fileName := strings.Join(fields[5:], " ")
+				files = append(files, fileName)
+			}
+		}
+	}
+
+	return files, nil
+}
+
 func ExtractAFileFromZip(archivePath, fileInside, outDir string) error {
 	cmd := exec.Command(constant.Tool7zaExe.String(), "e", archivePath, fileInside, "-o"+outDir, "-y")
 	cmd.Stdout = os.Stdout

pkg/verifier/verifier.go

@@ -41,13 +41,13 @@ func NewVerifier(gamePath, hdiffPath string) (*Verifier, error) {
 
 func (v *Verifier) VerifyAll() error {
 	for i, entry := range v.DiffMapEntries {
-		application.Get().EmitEvent(
+		application.Get().Event.Emit(
 			"hdiffz:progress", map[string]int{
 				"progress":    i,
 				"maxProgress": len(v.DiffMapEntries),
 			})
 		if err := check(entry.SourceFileName, entry.SourceFileSize, entry.SourceFileMD5, v.GamePath); err != nil {
-			application.Get().EmitEvent("hdiffz:error", err.Error())
+			application.Get().Event.Emit("hdiffz:error", err.Error())
 			continue
 		}
 	}
@@ -67,7 +67,7 @@ func check(relPath string, expectedSize int64, expectedMD5, base string) error {
 			fullPath, expectedSize, info.Size())
 	}
 
-	md5Hash, err := fileMD5(fullPath)
+	md5Hash, err := FileMD5(fullPath)
 	if err != nil {
 		return fmt.Errorf("error reading %s: %w", fullPath, err)
 	}
@@ -80,7 +80,7 @@ func check(relPath string, expectedSize int64, expectedMD5, base string) error {
 	return nil
 }
 
-func fileMD5(path string) (string, error) {
+func FileMD5(path string) (string, error) {
 	f, err := os.Open(path)
 	if err != nil {
 		return "", err