Clean imports

examples/autofish/autofish.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	//"github.com/mattn/go-colorable"
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/bot/basic"
@@ -12,7 +13,6 @@ import (
 	_ "github.com/Tnze/go-mc/data/lang/en-us"
 	"github.com/Tnze/go-mc/data/packetid"
 	pk "github.com/Tnze/go-mc/net/packet"
-	"github.com/mattn/go-colorable"
 )
 
 const timeout = 45
@@ -25,7 +25,7 @@ var (
 )
 
 func main() {
-	log.SetOutput(colorable.NewColorableStdout())
+	//log.SetOutput(colorable.NewColorableStdout()) // optional for colorable output
 	c = bot.NewClient()
 	p = basic.NewPlayer(c, basic.DefaultSettings)
 

examples/daze/daze.go

@@ -9,7 +9,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/mattn/go-colorable"
+	//"github.com/mattn/go-colorable"
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/bot/basic"
@@ -26,7 +26,7 @@ var screenManager *screen.Manager
 
 func main() {
 	flag.Parse()
-	log.SetOutput(colorable.NewColorableStdout())
+	//log.SetOutput(colorable.NewColorableStdout())
 	client = bot.NewClient()
 	client.Auth.Name = "Daze"
 	player = basic.NewPlayer(client, basic.DefaultSettings)

examples/frameworkServer/main.go

@@ -5,7 +5,6 @@ import (
 	_ "embed"
 	"flag"
 	"fmt"
-	"github.com/Tnze/go-mc/server/command"
 	"image"
 	_ "image/png"
 	"log"
@@ -17,6 +16,7 @@ import (
 	"github.com/Tnze/go-mc/save"
 	"github.com/Tnze/go-mc/save/region"
 	"github.com/Tnze/go-mc/server"
+	"github.com/Tnze/go-mc/server/command"
 )
 
 var motd = chat.Message{Text: "A Minecraft Server ", Extra: []chat.Message{{Text: "Powered by go-mc", Color: "yellow"}}}

examples/mcping/mcping.go

@@ -2,10 +2,14 @@
 package main
 
 import (
+	"encoding/base64"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"strings"
+	"text/template"
+	"time"
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/chat"
@@ -26,12 +30,34 @@ type status struct {
 		Name     string
 		Protocol int
 	}
-	//favicon ignored
+	Favicon Icon
+	Delay   time.Duration
+}
+
+// Icon should be a PNG image that is Base64 encoded
+// (without newlines: \n, new lines no longer work since 1.13)
+// and prepended with "data:image/png;base64,".
+type Icon string
+
+var IconFormatErr = errors.New("data format error")
+var IconAbsentErr = errors.New("icon not present")
+
+// ToPNG decode base64-icon, return a PNG image
+// Take care of there is no safety check, image may contain malicious code.
+func (i Icon) ToPNG() ([]byte, error) {
+	const prefix = "data:image/png;base64,"
+	if i == "" {
+		return nil, IconAbsentErr
+	}
+	if !strings.HasPrefix(string(i), prefix) {
+		return nil, IconFormatErr
+	}
+	return base64.StdEncoding.DecodeString(strings.TrimPrefix(string(i), prefix))
 }
 
 func main() {
 	addr := getAddr()
-	fmt.Printf("MCPING (%s):\n", addr)
+	fmt.Printf("MCPING (%s):", addr)
 	resp, delay, err := bot.PingAndList(addr)
 	if err != nil {
 		fmt.Printf("ping and list server fail: %v", err)
@@ -44,9 +70,9 @@ func main() {
 		fmt.Print("unmarshal resp fail:", err)
 		os.Exit(1)
 	}
+	s.Delay = delay
 
-	fmt.Print(s)
-	fmt.Println("Delay:", delay)
+	fmt.Print(&s)
 }
 
 func getAddr() string {
@@ -59,14 +85,20 @@ func getAddr() string {
 	return os.Args[1]
 }
 
-func (s status) String() string {
+var outTemp = template.Must(template.New("output").Parse(`
+	Version: [{{ .Version.Protocol }}] {{ .Version.Name }}
+	Description: 
+{{ .Description }}
+	Delay: {{ .Delay }}
+	Players: {{ .Players.Online }}/{{ .Players.Max }}{{ range .Players.Sample }}
+	- [{{ .Name }}] {{ .ID }}{{ end }}
+`))
+
+func (s *status) String() string {
 	var sb strings.Builder
-	fmt.Fprintln(&sb, "Server:", s.Version.Name)
-	fmt.Fprintln(&sb, "Protocol:", s.Version.Protocol)
-	fmt.Fprintln(&sb, "Description:", s.Description)
-	fmt.Fprintf(&sb, "Players: %d/%d\n", s.Players.Online, s.Players.Max)
-	for _, v := range s.Players.Sample {
-		fmt.Fprintf(&sb, "- [%s] %v\n", v.Name, v.ID)
+	err := outTemp.Execute(&sb, s)
+	if err != nil {
+		panic(err)
 	}
 	return sb.String()
 }

examples/pressureTest/main.go

@@ -6,7 +6,7 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/mattn/go-colorable"
+	//"github.com/mattn/go-colorable"
 
 	"github.com/Tnze/go-mc/bot"
 	"github.com/Tnze/go-mc/bot/basic"
@@ -18,7 +18,7 @@ var number = flag.Int("number", 1023, "The number of clients")
 
 func main() {
 	flag.Parse()
-	log.SetOutput(colorable.NewColorableStdout())
+	//log.SetOutput(colorable.NewColorableStdout())
 
 	for i := 0; i < *number; i++ {
 		go func(i int) {

examples/simpleServer1.15.2/main.go

@@ -2,11 +2,13 @@
 package main
 
 import (
+	"log"
+
+	"github.com/google/uuid"
+
 	"github.com/Tnze/go-mc/net"
 	pk "github.com/Tnze/go-mc/net/packet"
 	"github.com/Tnze/go-mc/offline"
-	"github.com/google/uuid"
-	"log"
 )
 
 const ProtocolVersion = 578

examples/simpleServer1.15.2/status.go

@@ -2,11 +2,13 @@ package main
 
 import (
 	"encoding/json"
+	"log"
+
+	"github.com/google/uuid"
+
 	"github.com/Tnze/go-mc/chat"
 	"github.com/Tnze/go-mc/net"
 	pk "github.com/Tnze/go-mc/net/packet"
-	"github.com/google/uuid"
-	"log"
 )
 
 func acceptListPing(conn net.Conn) {

examples/simpleServer1.17.1/main.go

@@ -5,11 +5,12 @@ import (
 	_ "embed"
 	"log"
 
+	"github.com/google/uuid"
+
 	"github.com/Tnze/go-mc/nbt"
 	"github.com/Tnze/go-mc/net"
 	pk "github.com/Tnze/go-mc/net/packet"
 	"github.com/Tnze/go-mc/offline"
-	"github.com/google/uuid"
 )
 
 const ProtocolVersion = 756