up3

server/player/chat/subscriber.go

@@ -0,0 +1,51 @@
+package chat
+
+import (
+	"fmt"
+	"github.com/google/uuid"
+	"github.com/sandertv/gophertunnel/minecraft/text"
+	"strings"
+)
+
+// Subscriber represents an entity that may subscribe to a Chat. In order to do
+// so, the Subscriber must implement methods to send messages to it.
+type Subscriber interface {
+	// UUID returns a unique ID for the Subscriber.
+	UUID() uuid.UUID
+	// Message sends a formatted message to the subscriber. The message is
+	// formatted as it would when using fmt.Println.
+	Message(a ...any)
+}
+
+// Translator is a Subscriber that is able to translate messages to their own
+// locale.
+type Translator interface {
+	// Messaget sends a Translation message to the Translator, using the
+	// arguments passed to fill out any translation parameters.
+	Messaget(t Translation, a ...any)
+}
+
+// StdoutSubscriber is an implementation of Subscriber that forwards messages
+// sent to the chat to the stdout.
+type StdoutSubscriber struct{}
+
+var id = uuid.New()
+
+// UUID ...
+func (c StdoutSubscriber) UUID() uuid.UUID {
+	return id
+}
+
+// Message ...
+func (c StdoutSubscriber) Message(a ...any) {
+	s := make([]string, len(a))
+	for i, b := range a {
+		s[i] = fmt.Sprint(b)
+	}
+	t := text.ANSI(strings.Join(s, " "))
+	if !strings.HasSuffix(t, "\n") {
+		fmt.Println(t)
+		return
+	}
+	fmt.Print(t)
+}