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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,58 +1,58 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| func readAdvancements(dir string, m map[uuid.UUID]UserCache) { | ||
| entries, err := os.ReadDir(dir) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to open playerdata folder: %v", err) | ||
| return | ||
| } | ||
| for _, files := range entries { | ||
| filename := files.Name() | ||
| if ext := filepath.Ext(filename); ext != ".json" { | ||
| fmt.Fprintf(os.Stderr, "Unkown file type: %s\n", ext) | ||
| continue | ||
| } | ||
|
|
||
| // Parse old UUID from filename | ||
| oldID, err := uuid.Parse(strings.TrimSuffix(filename, ".json")) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Unable to parse filename as uuid: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| if ver := oldID.Version(); ver != 3 { // v3 is for offline players | ||
| fmt.Printf("Ignoring UUID: %v version: %d\n", oldID, ver) | ||
| continue | ||
| } | ||
|
|
||
| newUser, ok := m[oldID] | ||
| if !ok { | ||
| fmt.Printf("Skip user: %v\n", oldID) | ||
| continue | ||
| } | ||
|
|
||
| content, err := os.ReadFile(filepath.Join(dir, filename)) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to read json file: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| newFile := newUser.UUID.String() + ".json" | ||
| err = os.WriteFile(filepath.Join(dir, newFile), content, 0o666) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to write json file: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| fmt.Printf("Converted advancement file: %s\n", newFile) | ||
| } | ||
| } | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| func readAdvancements(dir string, m map[uuid.UUID]UserCache) { | ||
| entries, err := os.ReadDir(dir) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to open playerdata folder: %v", err) | ||
| return | ||
| } | ||
| for _, files := range entries { | ||
| filename := files.Name() | ||
| if ext := filepath.Ext(filename); ext != ".json" { | ||
| fmt.Fprintf(os.Stderr, "Unkown file type: %s\n", ext) | ||
| continue | ||
| } | ||
|
|
||
| // Parse old UUID from filename | ||
| oldID, err := uuid.Parse(strings.TrimSuffix(filename, ".json")) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Unable to parse filename as uuid: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| if ver := oldID.Version(); ver != 3 { // v3 is for offline players | ||
| fmt.Printf("Ignoring UUID: %v version: %d\n", oldID, ver) | ||
| continue | ||
| } | ||
|
|
||
| newUser, ok := m[oldID] | ||
| if !ok { | ||
| fmt.Printf("Skip user: %v\n", oldID) | ||
| continue | ||
| } | ||
|
|
||
| content, err := os.ReadFile(filepath.Join(dir, filename)) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to read json file: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| newFile := newUser.UUID.String() + ".json" | ||
| err = os.WriteFile(filepath.Join(dir, newFile), content, 0o666) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to write json file: %v\n", err) | ||
| continue | ||
| } | ||
|
|
||
| fmt.Printf("Converted advancement file: %s\n", newFile) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,90 +1,90 @@ | ||
| // playerdataconvert is a program to convert player data form offline server to online server. | ||
| // | ||
| // When a player with official account login connect to a offline-mode server, | ||
| // the server store the player data with their "offline UUID". While you open | ||
| // the online-mode switch, the player data loose. | ||
| // | ||
| // By using this tool, you can convert the offline data into online data. | ||
| // The players will keep everything they got, yay! | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| var ( | ||
| savePath = flag.String("save", ".", "The save folder with \"usercache.json\" file inside") | ||
| convertPlayerData = flag.Bool("cplayerdata", true, "Whether convert files at /world/playerdata/*.dat") | ||
| convertEntities = flag.Bool("centities", true, "Whether convert pets' Owner at /world/entities/*") | ||
| convertAdvancements = flag.Bool("cadvancements", true, "Whether convert advancements at /world/advancements/*") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
|
|
||
| usercaches, err := readUsercache(filepath.Join(*savePath, "usercache.json")) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to parse usercache file: %v\n", err) | ||
| return | ||
| } | ||
| fmt.Printf("Successfully reading usercache\n") | ||
| m := mappingUsers(usercaches) | ||
|
|
||
| if *convertPlayerData { | ||
| readPlayerdata(filepath.Join(*savePath, "world", "playerdata"), m) | ||
| } | ||
|
|
||
| if *convertEntities { | ||
| readEntities(filepath.Join(*savePath, "world", "entities"), m) | ||
| } | ||
|
|
||
| if *convertAdvancements { | ||
| readAdvancements(filepath.Join(*savePath, "world", "advancements"), m) | ||
| } | ||
| } | ||
|
|
||
| type UserCache struct { | ||
| Name string `json:"name"` | ||
| UUID uuid.UUID `json:"uuid"` | ||
| } | ||
|
|
||
| func readUsercache(path string) ([]UserCache, error) { | ||
| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var usercache []UserCache | ||
| err = json.Unmarshal(data, &usercache) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return usercache, nil | ||
| } | ||
|
|
||
| func mappingUsers(users []UserCache) map[uuid.UUID]UserCache { | ||
| m := make(map[uuid.UUID]UserCache) | ||
| for _, user := range users { | ||
| name := user.Name | ||
| // // You can add your maps here | ||
| // if v, ok := offlineOnlineMaps[name]; ok { | ||
| // name = v | ||
| // } | ||
|
|
||
| name, id, err := usernameToUUID(name) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Unable to fetch username for %s from Mojang server: %v\n", name, err) | ||
| continue | ||
| } | ||
|
|
||
| fmt.Printf("[%s] %v -> %v\n", name, user.UUID, id) | ||
| m[user.UUID] = UserCache{name, id} | ||
| } | ||
| return m | ||
| } | ||
| // playerdataconvert is a program to convert player data form offline server to online server. | ||
| // | ||
| // When a player with official account login connect to a offline-mode server, | ||
| // the server store the player data with their "offline UUID". While you open | ||
| // the online-mode switch, the player data loose. | ||
| // | ||
| // By using this tool, you can convert the offline data into online data. | ||
| // The players will keep everything they got, yay! | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| var ( | ||
| savePath = flag.String("save", ".", "The save folder with \"usercache.json\" file inside") | ||
| convertPlayerData = flag.Bool("cplayerdata", true, "Whether convert files at /world/playerdata/*.dat") | ||
| convertEntities = flag.Bool("centities", true, "Whether convert pets' Owner at /world/entities/*") | ||
| convertAdvancements = flag.Bool("cadvancements", true, "Whether convert advancements at /world/advancements/*") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
|
|
||
| usercaches, err := readUsercache(filepath.Join(*savePath, "usercache.json")) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Failed to parse usercache file: %v\n", err) | ||
| return | ||
| } | ||
| fmt.Printf("Successfully reading usercache\n") | ||
| m := mappingUsers(usercaches) | ||
|
|
||
| if *convertPlayerData { | ||
| readPlayerdata(filepath.Join(*savePath, "world", "playerdata"), m) | ||
| } | ||
|
|
||
| if *convertEntities { | ||
| readEntities(filepath.Join(*savePath, "world", "entities"), m) | ||
| } | ||
|
|
||
| if *convertAdvancements { | ||
| readAdvancements(filepath.Join(*savePath, "world", "advancements"), m) | ||
| } | ||
| } | ||
|
|
||
| type UserCache struct { | ||
| Name string `json:"name"` | ||
| UUID uuid.UUID `json:"uuid"` | ||
| } | ||
|
|
||
| func readUsercache(path string) ([]UserCache, error) { | ||
| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var usercache []UserCache | ||
| err = json.Unmarshal(data, &usercache) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return usercache, nil | ||
| } | ||
|
|
||
| func mappingUsers(users []UserCache) map[uuid.UUID]UserCache { | ||
| m := make(map[uuid.UUID]UserCache) | ||
| for _, user := range users { | ||
| name := user.Name | ||
| // // You can add your maps here | ||
| // if v, ok := offlineOnlineMaps[name]; ok { | ||
| // name = v | ||
| // } | ||
|
|
||
| name, id, err := usernameToUUID(name) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Unable to fetch username for %s from Mojang server: %v\n", name, err) | ||
| continue | ||
| } | ||
|
|
||
| fmt.Printf("[%s] %v -> %v\n", name, user.UUID, id) | ||
| m[user.UUID] = UserCache{name, id} | ||
| } | ||
| return m | ||
| } |
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