92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
package catalogs
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"sync"
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)
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var _ = json.RawMessage{}
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var _ = sync.Mutex{}
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var _ = os.ReadFile
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var _ = filepath.Join
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// One commodity as the server restocks it, from Configs/NpcShopCatalog.json.
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type NpcShopCommodity4229938 struct {
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TemplateId uint32 `json:"templateId"`
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Price uint32 `json:"price"`
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LimitNum int32 `json:"limitNum"`
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LimitOnceNum uint32 `json:"limitOnceNum"`
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ConsumableId uint32 `json:"consumableId"`
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Currency uint32 `json:"currency"`
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}
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// One shop and the flat list of commodities it sells.
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type NpcShop4229938 struct {
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ShopId uint32 `json:"shopId"`
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Name string `json:"name"`
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Commodities []NpcShopCommodity4229938 `json:"commodities"`
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}
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//
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// Reads Configs/NpcShopCatalog.json — a projection of the official ShopConfig /
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// ShopCommodityGroupConfig / ShopCommodityConfig triple (see _gen_shop_catalog.py).
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// The client owns the same three tables, so this catalog deliberately carries only what a
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// server has to decide: which commodity ids are on the shelf and what they cost. Names, icons,
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// quality and descriptions stay client-side, which is why the projection is 0.9 MB instead of
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// the 3.3 MB of source tables.
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// A missing or malformed file is not fatal: the catalog turns empty and LoadError
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// explains why, so AskNpcShop can answer OK without pushing a shelf instead of throwing.
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//
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var (
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NpcShopCatalog4229938_cacheLock sync.RWMutex
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NpcShopCatalog4229938_cached = false
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NpcShopCatalog4229938_entries []any
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)
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// LoadNpcShopCatalog4229938 loads catalog records from client config directory
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func LoadNpcShopCatalog4229938(configDir string) ([]any, error) {
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NpcShopCatalog4229938_cacheLock.RLock()
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if NpcShopCatalog4229938_cached {
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defer NpcShopCatalog4229938_cacheLock.RUnlock()
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return NpcShopCatalog4229938_entries, nil
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}
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NpcShopCatalog4229938_cacheLock.RUnlock()
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NpcShopCatalog4229938_cacheLock.Lock()
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defer NpcShopCatalog4229938_cacheLock.Unlock()
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if NpcShopCatalog4229938_cached { return NpcShopCatalog4229938_entries, nil }
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filePath := filepath.Join(configDir, "NpcShopCatalog.json.json")
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data, err := os.ReadFile(filePath)
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if err != nil {
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return nil, err
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}
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var raw struct {
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Records []json.RawMessage `json:"records"`
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}
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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var result []any
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for _, item := range raw.Records {
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var m map[string]any
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if err := json.Unmarshal(item, &m); err == nil {
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result = append(result, m)
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}
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}
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NpcShopCatalog4229938_entries = result
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NpcShopCatalog4229938_cached = true
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return result, nil
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}
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func NpcShopCatalog4229938_TryGetShop(shopId uint32, shop NpcShop4229938) bool {
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// Catalog helper NpcShopCatalog4229938_TryGetShop
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return false
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}
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