Update GaCy-GO

internal/gameserver/aa_round_sync.go

@@ -0,0 +1,54 @@
+package gameserver
+
+import (
+	"crypto/sha256"
+	_ "embed"
+	"encoding/hex"
+	"fmt"
+
+	"gac-hkrpg-go/internal/common"
+)
+
+//go:embed aa_round_sync.lua
+var aaRoundRefreshAdapter []byte
+
+// loadAARoundRefreshLua invalidates only the AA module's cached data, through
+// its observed native request API. It never rewrites an incoming PeakId,
+// starts a challenge, changes a scene or modifies saved selection/progression.
+func loadAARoundRefreshLua(s *Session) ([]byte, error) {
+	selection, err := common.ReadAARoundSelection()
+	if err != nil {
+		return nil, err
+	}
+	groups := map[uint32]bool{}
+	var defaultGroup uint32
+	for _, stage := range getChallengeData().Peak {
+		if stage.GroupID != 0 {
+			groups[stage.GroupID] = true
+			if defaultGroup == 0 || stage.GroupID < defaultGroup {
+				defaultGroup = stage.GroupID
+			}
+		}
+	}
+	if defaultGroup == 0 {
+		return nil, fmt.Errorf("AA refresh has no resource-backed round")
+	}
+	desired := defaultGroup
+	if selection != nil {
+		if !groups[selection.PeakGroupID] {
+			return nil, fmt.Errorf("selected AA round %d is absent from loaded challenge data", selection.PeakGroupID)
+		}
+		desired = selection.PeakGroupID
+	}
+	cfg, err := common.LoadRuntimeConfig()
+	if err != nil {
+		return nil, err
+	}
+	digest := sha256.Sum256([]byte(fmt.Sprintf("%s/%d", cfg.ClientVersion, desired)))
+	deferred := s.ChallengeRun != nil || s.currencyWarsOpen
+	if _, active := CURRENT_BATTLE.Load(s.Token); active {
+		deferred = true
+	}
+	payload := fmt.Sprintf("\n_G.__GAC_AA_ROUND_REFRESH={desired_group=%d,revision=%s,deferred=%t}\n", desired, luaQuotedString(hex.EncodeToString(digest[:])), deferred)
+	return append([]byte(payload), aaRoundRefreshAdapter...), nil
+}