Flechazo
5b5a219dc2
Generate equipment loot atomically, grant random boxes and prevent repeat claims. Read gacha pools, pity, products, tickets, missions, presets, chapter rewards and inventory costs from GameData; extend both collaboration UR ticket pools. Sync owned recipes, configure startup state and calendars in versioned seeds, and validate unlock tickets and revival talents.
71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
package feature
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import (
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"encoding/binary"
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"fmt"
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"math"
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"sort"
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"bd2server/internal/server/gamedata"
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"bd2server/internal/server/player"
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"bd2server/internal/server/wire"
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)
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type RecipeItems interface{ All() []player.Item }
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type RecipeService struct {
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design *gamedata.CookingRecipeDesign
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initial []uint64
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items RecipeItems
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}
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func NewRecipeService(design *gamedata.CookingRecipeDesign, initial []uint64, items RecipeItems) (*RecipeService, error) {
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if design == nil || len(design.IDs) == 0 || items == nil {
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return nil, fmt.Errorf("recipes: missing design or inventory")
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}
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for _, id := range initial {
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if !design.IDs[id] {
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return nil, fmt.Errorf("recipes: initial recipe %d is absent from GameData", id)
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}
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}
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return &RecipeService{design: design, initial: append([]uint64(nil), initial...), items: items}, nil
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}
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func (s *RecipeService) Handle(path string, request []byte) (int, []byte, bool, error) {
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if path != "/RecipeInfo" {
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return 0, nil, false, nil
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}
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seq, found, err := wire.Varint(request, 1)
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if err != nil || !found || seq == 0 || seq > math.MaxInt32 {
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return 0, nil, true, ErrInvalidRequest
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}
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known := map[uint64]bool{}
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for _, id := range s.initial {
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known[id] = true
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}
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for _, item := range s.items.All() {
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// EElementType.CookingRecipe is protocol value 7. Ownership comes from
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// seed state or real reward grants, never from every row in CookingTable.
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if item.Type != 7 || item.Count == 0 {
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continue
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}
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if !s.design.IDs[item.ID] {
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return 0, nil, true, fmt.Errorf("recipes: owned recipe %d is absent from GameData", item.ID)
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}
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known[item.ID] = true
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}
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ids := make([]uint64, 0, len(known))
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for id := range known {
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ids = append(ids, id)
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}
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sort.Slice(ids, func(i, j int) bool { return ids[i] < ids[j] })
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var packed []byte
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for _, id := range ids {
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packed = binary.AppendUvarint(packed, id)
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}
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if len(packed) == 0 {
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return 46, nil, true, nil
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}
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return 46, wire.AppendBytes(nil, 2, packed), true, nil
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}
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