Update GaCy-GO

internal/common/currency_wars_crafts.go

@@ -0,0 +1,47 @@
+package common
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"slices"
+)
+
+type CurrencyWarsCraft struct {
+	CraftID       uint32   `json:"CraftID"`
+	CraftEquipID  uint32   `json:"CraftEquipID"`
+	CostEquipList []uint32 `json:"CostEquipList"`
+}
+
+func LoadCurrencyWarsCrafts(catalog *CurrencyWarsCatalog) ([]CurrencyWarsCraft, error) {
+	raw, err := ReadResourceFile("resources/CurrencyWarsCrafts.json")
+	if err != nil {
+		return nil, err
+	}
+	var data struct {
+		Format   uint32              `json:"format_version"`
+		Client   string              `json:"target_client_version"`
+		Assembly string              `json:"target_assembly_sha256"`
+		Hash     string              `json:"source_capture_sha256"`
+		Entries  []CurrencyWarsCraft `json:"entries"`
+	}
+	if err = json.Unmarshal(raw, &data); err != nil {
+		return nil, err
+	}
+	if catalog == nil || data.Format != 1 || data.Client != catalog.ClientVersion || data.Assembly != catalog.Provenance.GameAssemblySHA256 {
+		return nil, fmt.Errorf("CW crafting resource revision differs")
+	}
+	digest, err := hex.DecodeString(data.Hash)
+	if err != nil || len(digest) != sha256.Size || len(data.Entries) == 0 {
+		return nil, fmt.Errorf("CW crafting provenance is missing")
+	}
+	seen := map[uint32]bool{}
+	for _, r := range data.Entries {
+		if r.CraftID == 0 || r.CraftEquipID == 0 || seen[r.CraftID] || len(r.CostEquipList) != 2 || slices.Contains(r.CostEquipList, uint32(0)) {
+			return nil, fmt.Errorf("CW craft identity/material schema differs")
+		}
+		seen[r.CraftID] = true
+	}
+	return data.Entries, nil
+}