up3

server/session/text.go

@@ -0,0 +1,186 @@
+package session
+
+import (
+	"time"
+
+	"github.com/df-mc/dragonfly/server/player/chat"
+	"github.com/df-mc/dragonfly/server/player/scoreboard"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+	"golang.org/x/text/language"
+)
+
+// SendMessage ...
+func (s *Session) SendMessage(message string) {
+	s.writePacket(&packet.Text{
+		TextType: packet.TextTypeRaw,
+		Message:  message,
+	})
+}
+
+// SendTranslation sends a translation localised for a specific language.Tag.
+func (s *Session) SendTranslation(t chat.Translation, l language.Tag, a []any) {
+	tr := t.F(a...)
+	s.writePacket(&packet.Text{
+		TextType:         packet.TextTypeTranslation,
+		NeedsTranslation: true,
+		Message:          tr.Resolve(l),
+		Parameters:       tr.Params(l),
+	})
+}
+
+// SendTip ...
+func (s *Session) SendTip(message string) {
+	s.writePacket(&packet.Text{
+		TextType: packet.TextTypeTip,
+		Message:  message,
+	})
+}
+
+// SendAnnouncement ...
+func (s *Session) SendAnnouncement(message string) {
+	s.writePacket(&packet.Text{
+		TextType: packet.TextTypeAnnouncement,
+		Message:  message,
+	})
+}
+
+// SendPopup ...
+func (s *Session) SendPopup(message string) {
+	s.writePacket(&packet.Text{
+		TextType: packet.TextTypePopup,
+		Message:  message,
+	})
+}
+
+// SendJukeboxPopup ...
+func (s *Session) SendJukeboxPopup(message string) {
+	s.writePacket(&packet.Text{
+		TextType: packet.TextTypeJukeboxPopup,
+		Message:  message,
+	})
+}
+
+// SendToast ...
+func (s *Session) SendToast(title, message string) {
+	s.writePacket(&packet.ToastRequest{
+		Title:   title,
+		Message: message,
+	})
+}
+
+// SendScoreboard ...
+func (s *Session) SendScoreboard(sb *scoreboard.Scoreboard) {
+	if s == Nop {
+		return
+	}
+	currentName, currentLines := *s.currentScoreboard.Load(), *s.currentLines.Load()
+
+	if currentName != sb.Name() {
+		s.RemoveScoreboard()
+		pk := &packet.SetDisplayObjective{
+			DisplaySlot:   "sidebar",
+			ObjectiveName: sb.Name(),
+			DisplayName:   sb.Name(),
+			CriteriaName:  "dummy",
+		}
+		if sb.Descending() {
+			pk.SortOrder = packet.ScoreboardSortOrderDescending
+		} else {
+			pk.SortOrder = packet.ScoreboardSortOrderAscending
+		}
+		s.writePacket(pk)
+		name, lines := sb.Name(), append([]string(nil), sb.Lines()...)
+		s.currentScoreboard.Store(&name)
+		s.currentLines.Store(&lines)
+	} else {
+		// Remove all current lines from the scoreboard. We can't replace them without removing them.
+		pk := &packet.SetScore{ActionType: packet.ScoreboardActionRemove}
+		for i := range currentLines {
+			pk.Entries = append(pk.Entries, protocol.ScoreboardEntry{
+				EntryID:       int64(i),
+				ObjectiveName: currentName,
+				Score:         int32(i),
+			})
+		}
+		if len(pk.Entries) > 0 {
+			s.writePacket(pk)
+		}
+	}
+	pk := &packet.SetScore{ActionType: packet.ScoreboardActionModify}
+	for k, line := range sb.Lines() {
+		if len(line) == 0 {
+			line = "§" + colours[k]
+		}
+		pk.Entries = append(pk.Entries, protocol.ScoreboardEntry{
+			EntryID:       int64(k),
+			ObjectiveName: sb.Name(),
+			Score:         int32(k),
+			IdentityType:  protocol.ScoreboardIdentityFakePlayer,
+			DisplayName:   line,
+		})
+	}
+	if len(pk.Entries) > 0 {
+		s.writePacket(pk)
+	}
+}
+
+// colours holds a list of colour codes to be filled out for empty lines in a scoreboard.
+var colours = [15]string{"1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"}
+
+// RemoveScoreboard ...
+func (s *Session) RemoveScoreboard() {
+	s.writePacket(&packet.RemoveObjective{ObjectiveName: *s.currentScoreboard.Load()})
+	var name string
+	var lines []string
+	s.currentScoreboard.Store(&name)
+	s.currentLines.Store(&lines)
+}
+
+// SendBossBar sends a boss bar to the player with the text passed and the health percentage of the bar.
+// SendBossBar removes any boss bar that might be active before sending the new one.
+func (s *Session) SendBossBar(text string, colour uint8, healthPercentage float64) {
+	s.RemoveBossBar()
+	s.writePacket(&packet.BossEvent{
+		BossEntityUniqueID: selfEntityRuntimeID,
+		EventType:          packet.BossEventShow,
+		BossBarTitle:       text,
+		HealthPercentage:   float32(healthPercentage),
+		Colour:             colour,
+	})
+}
+
+// RemoveBossBar removes any boss bar currently active on the player's screen.
+func (s *Session) RemoveBossBar() {
+	s.writePacket(&packet.BossEvent{
+		BossEntityUniqueID: selfEntityRuntimeID,
+		EventType:          packet.BossEventHide,
+	})
+}
+
+const tickLength = time.Second / 20
+
+// SetTitleDurations ...
+func (s *Session) SetTitleDurations(fadeInDuration, remainDuration, fadeOutDuration time.Duration) {
+	s.writePacket(&packet.SetTitle{
+		ActionType:      packet.TitleActionSetDurations,
+		FadeInDuration:  int32(fadeInDuration / tickLength),
+		RemainDuration:  int32(remainDuration / tickLength),
+		FadeOutDuration: int32(fadeOutDuration / tickLength),
+	})
+}
+
+// SendTitle ...
+func (s *Session) SendTitle(text string) {
+	s.writePacket(&packet.SetTitle{ActionType: packet.TitleActionSetTitle, Text: text})
+}
+
+// SendSubtitle ...
+func (s *Session) SendSubtitle(text string) {
+	s.writePacket(&packet.SetTitle{ActionType: packet.TitleActionSetSubtitle, Text: text})
+}
+
+// SendActionBarMessage ...
+func (s *Session) SendActionBarMessage(text string) {
+	s.writePacket(&packet.SetTitle{ActionType: packet.TitleActionSetActionBar, Text: text})
+}