Add leaderboard functionality with Redis integration for scores. This includes a global leaderboard system, server-side score submission handling, and real-time player ranking updates. Refactor and improve collision logic and game state management for better player experience.

2026-01-01 19:23:09 +01:00
parent 5e6b8a2304
commit de64329ce4
12 changed files with 768 additions and 43 deletions
--- a/pkg/server/leaderboard.go
+++ b/pkg/server/leaderboard.go
@@ -0,0 +1,97 @@
+package server
+
+import (
+	"context"
+	"encoding/json"
+	"log"
+	"time"
+
+	"git.zb-server.de/ZB-Server/EscapeFromTeacher/pkg/game"
+	"github.com/redis/go-redis/v9"
+)
+
+type Leaderboard struct {
+	rdb *redis.Client
+	ctx context.Context
+}
+
+var GlobalLeaderboard *Leaderboard
+
+const leaderboardKey = "leaderboard:top"
+
+func InitLeaderboard(redisAddr string) error {
+	rdb := redis.NewClient(&redis.Options{
+		Addr: redisAddr,
+		DB:   0,
+	})
+
+	ctx := context.Background()
+	if err := rdb.Ping(ctx).Err(); err != nil {
+		return err
+	}
+
+	GlobalLeaderboard = &Leaderboard{
+		rdb: rdb,
+		ctx: ctx,
+	}
+
+	log.Println("📊 Redis-Leaderboard verbunden")
+	return nil
+}
+
+func (lb *Leaderboard) AddScore(name, code string, score int) bool {
+	// Prüfe ob Spieler bereits existiert
+	existingScoreStr, err := lb.rdb.HGet(lb.ctx, "leaderboard:players", code).Result()
+	if err == nil {
+		var existingScore int
+		json.Unmarshal([]byte(existingScoreStr), &existingScore)
+		if score <= existingScore {
+			return false // Neuer Score nicht besser
+		}
+	}
+
+	// Score speichern
+	entry := game.LeaderboardEntry{
+		PlayerName: name,
+		PlayerCode: code,
+		Score:      score,
+		Timestamp:  time.Now().Unix(),
+	}
+
+	data, _ := json.Marshal(entry)
+	lb.rdb.HSet(lb.ctx, "leaderboard:players", code, string(data))
+
+	// In Sorted Set mit Score als Wert
+	lb.rdb.ZAdd(lb.ctx, leaderboardKey, redis.Z{
+		Score:  float64(score),
+		Member: code,
+	})
+
+	log.Printf("🏆 Leaderboard Update: %s mit %d Punkten", name, score)
+	return true
+}
+
+func (lb *Leaderboard) GetTop10() []game.LeaderboardEntry {
+	// Hole Top 10 (höchste Scores zuerst)
+	codes, err := lb.rdb.ZRevRange(lb.ctx, leaderboardKey, 0, 9).Result()
+	if err != nil {
+		log.Printf("⚠️ Fehler beim Abrufen des Leaderboards: %v", err)
+		return []game.LeaderboardEntry{}
+	}
+
+	entries := make([]game.LeaderboardEntry, 0)
+	for _, code := range codes {
+		dataStr, err := lb.rdb.HGet(lb.ctx, "leaderboard:players", code).Result()
+		if err != nil {
+			continue
+		}
+
+		var entry game.LeaderboardEntry
+		if err := json.Unmarshal([]byte(dataStr), &entry); err != nil {
+			continue
+		}
+		entries = append(entries, entry)
+	}
+
+	return entries
+}