Update GaCy-GO

internal/gameserver/currency_wars_supply_layer.go

@@ -0,0 +1,55 @@
+package gameserver
+
+import (
+	"fmt"
+
+	"gac-hkrpg-go/internal/common"
+	pb "gac-hkrpg-go/protocol/proto"
+	"google.golang.org/protobuf/proto"
+)
+
+// cwCapturedSupplyLayer obtains the empty Supply node container from the
+// revision-bound native transition capture. It deliberately does not copy
+// that capture's Supply options, queue, rewards or player-specific state.
+// The current capture has an empty enemy-layer container with branch index 1;
+// this is checked against the resource rather than assumed for future clients.
+// A caller must also construct a valid Supply pending action before committing
+// a transition; this helper alone does not make a Supply round playable.
+func cwCapturedSupplyLayer(catalog *common.CurrencyWarsCatalog) (*pb.NCKOKDHNJDC, error) {
+	if catalog == nil {
+		return nil, fmt.Errorf("CW Supply catalog missing")
+	}
+	entries, err := cwNodeTransitions(catalog)
+	if err != nil {
+		return nil, err
+	}
+	var layer *pb.NCKOKDHNJDC
+	for _, entry := range entries {
+		level := new(pb.AINFNFIDGFF)
+		pending := new(pb.CHCHAJIANIM)
+		if err := proto.Unmarshal(entry.LevelWire, level); err != nil {
+			return nil, fmt.Errorf("CW captured Supply level: %w", err)
+		}
+		if err := proto.Unmarshal(entry.RoundWire, pending); err != nil {
+			return nil, fmt.Errorf("CW captured Supply pending: %w", err)
+		}
+		if pending.GetFIKAGBAEOAP() == nil {
+			continue
+		}
+		if level.IMPNAHBCADN == nil {
+			return nil, fmt.Errorf("CW captured Supply layer missing")
+		}
+		enemy := level.IMPNAHBCADN.GetMPOBBIPMNNJ()
+		if enemy == nil || enemy.MOADBALHMFD != 1 || enemy.LNDKCPBJDKH != 0 || len(enemy.BPDABHGFBFO) != 0 {
+			return nil, fmt.Errorf("CW captured Supply layer contains unexpected state")
+		}
+		if layer != nil && !proto.Equal(layer, level.IMPNAHBCADN) {
+			return nil, fmt.Errorf("CW captured Supply layers disagree")
+		}
+		layer = level.IMPNAHBCADN
+	}
+	if layer == nil {
+		return nil, fmt.Errorf("CW captured Supply layer unavailable")
+	}
+	return proto.Clone(layer).(*pb.NCKOKDHNJDC), nil
+}