docs & feat: add license & attribution notice (Apache-2.0 / GPL-3.0) and core system enhancements

internal/sdkserver/server.go

@@ -22,10 +22,13 @@ import (
 
 // VersionConfig is one entry of versions.json.
 type VersionConfig struct {
-	AssetBundleURL string `json:"asset_bundle_url"`
-	ExResourceURL  string `json:"ex_resource_url"`
-	LuaURL         string `json:"lua_url"`
-	IfixURL        string `json:"ifix_url"`
+	AssetBundleURL  string `json:"asset_bundle_url"`
+	AssetBundleURLB string `json:"asset_bundle_url_b"`
+	ExResourceURL   string `json:"ex_resource_url"`
+	LuaURL          string `json:"lua_url"`
+	IfixURL         string `json:"ifix_url"`
+	LuaVersion      string `json:"lua_version"`
+	IfixVersion     string `json:"ifix_version"`
 }
 
 type appState struct {
@@ -51,8 +54,19 @@ func (a *appState) getOrInsertHotfix(version, dispatchSeed string) VersionConfig
 	a.mu.Lock()
 	defer a.mu.Unlock()
 
-	if cfg, ok := a.hotfixMap[version]; ok {
-		return cfg
+	exact, hasExact := a.hotfixMap[version]
+	if hasExact && exact.AssetBundleURL != "" {
+		return exact
+	}
+	// Mobile clients append build identifiers after the release version. Prefer
+	// an exact entry, then look up the release in the configured metadata.
+	if release, _, ok := strings.Cut(version, "_"); ok {
+		if cfg, found := a.hotfixMap[release]; found {
+			return cfg
+		}
+	}
+	if hasExact {
+		return exact
 	}
 	if cfg, ok := a.hotfixMap["CNBETAWin"+version]; ok {
 		return cfg
@@ -190,15 +204,25 @@ func queryGateway(state *appState) http.HandlerFunc {
 		if state.runtime.LuaOverlay.Enabled {
 			cfg.LuaURL = state.runtime.PublicSDKURL + luaOverlayRoute
 		}
+		assetURLB := cfg.AssetBundleURLB
+		if assetURLB == "" {
+			assetURLB = cfg.AssetBundleURL
+		}
+		ifixVersion := cfg.IfixVersion
+		if ifixVersion == "" {
+			ifixVersion = "0"
+		}
 
 		rsp := &goproto.Gateserver{
 			Ip:              state.runtime.PublicGameHost,
 			Port:            uint32(state.runtime.GamePort),
 			AssetBundleUrl:  cfg.AssetBundleURL,
-			AssetBundleUrlB: cfg.AssetBundleURL,
+			AssetBundleUrlB: assetURLB,
 			ExResourceUrl:   cfg.ExResourceURL,
 			LuaUrl:          cfg.LuaURL,
-			IfixVersion:     "0",
+			IfixUrl:         cfg.IfixURL,
+			IfixVersion:     ifixVersion,
+			LuaVersion:      cfg.LuaVersion,
 			Unk1:            true,
 			Unk2:            true,
 			Unk3:            true,