Files
tic-tac-toe/plugins/modules/matchmaking.go
Vishesh 'ironeagle' Bangotra 1c31c489c7
All checks were successful
continuous-integration/drone/tag Build is passing
fixes
2025-12-01 18:27:19 +05:30

102 lines
2.6 KiB
Go

package modules
import (
"context"
"database/sql"
"encoding/json"
"github.com/heroiclabs/nakama-common/runtime"
)
type MatchmakingTicket struct {
Game string `json:"game"` // e.g. "tictactoe", "battleship"
Mode string `json:"mode"` // e.g. "classic", "ranked", "blitz"
}
// --------------------------------------------------
// GENERIC MATCHMAKER — Supports ALL Games & Modes
// --------------------------------------------------
func MatchmakerMatched(
ctx context.Context,
logger runtime.Logger,
db *sql.DB,
nk runtime.NakamaModule,
entries []runtime.MatchmakerEntry,
) (string, error) {
if len(entries) == 0 {
return "", nil
}
// Extract the first player's desired properties
props0 := entries[0].GetProperties()
game, okGame := props0["game"].(string)
mode, okMode := props0["mode"].(string)
if !okGame || !okMode {
logger.Error("MatchmakerMatched: Missing 'game' or 'mode' properties.")
return "", runtime.NewError("missing matchmaking properties", 3)
}
// Ensure ALL players match game + mode
for _, e := range entries {
p := e.GetProperties()
g, okG := p["game"].(string)
m, okM := p["mode"].(string)
if !okG || !okM || g != game || m != mode {
logger.Warn("MatchmakerMatched: Player properties do not match — retrying matchmaking.")
return "", nil
}
}
// Create the correct authoritative match handler.
// This depends on how "game" was registered in main.go.
// Example: initializer.RegisterMatch("tictactoe", NewGenericMatch(TicTacToeRules))
matchParams := map[string]interface{}{
"game": game,
"mode": mode,
}
matchID, err := nk.MatchCreate(ctx, "generic", matchParams)
if err != nil {
logger.Error("MatchmakerMatched: MatchCreate failed: %v", err)
return "", runtime.NewError("failed to create match", 13)
}
logger.Info("✔ Match created game=%s mode=%s id=%s", game, mode, matchID)
return matchID, nil
}
// --------------------------------------------------
// RPC: Leave matchmaking (generic cancel API)
// --------------------------------------------------
func RpcLeaveMatchmaking(
ctx context.Context,
logger runtime.Logger,
db *sql.DB,
nk runtime.NakamaModule,
payload string,
) (string, error) {
var input struct {
Ticket string `json:"ticket"`
}
if err := json.Unmarshal([]byte(payload), &input); err != nil {
return "", runtime.NewError("invalid JSON", 3)
}
if input.Ticket == "" {
return "", runtime.NewError("missing ticket", 3)
}
// Client removes ticket locally — server doesn't need to do anything
logger.Info("✔ Player left matchmaking: ticket=%s", input.Ticket)
return "{}", nil
}