68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package gamedata
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import (
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"database/sql"
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"fmt"
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"os"
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"path/filepath"
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)
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// PackDetailDesign identifies the monsters whose state is consumed by the
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// client's PackMapRewardInfo. Ordinary story battle rewards are excluded.
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type PackDetailDesign struct{ RegenMonsterIDs []int }
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func LoadPackDetailDesign(root, version string, packID int) (PackDetailDesign, error) {
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if packID <= 0 {
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return PackDetailDesign{}, fmt.Errorf("gamedata: invalid detail pack %d", packID)
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}
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plain, err := ReadDatabase(root, version, fmt.Sprintf("pack%d", packID))
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if err != nil {
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return PackDetailDesign{}, err
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}
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dir, err := os.MkdirTemp("", "bd2-pack-detail-")
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if err != nil {
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return PackDetailDesign{}, err
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}
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defer os.RemoveAll(dir)
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path := filepath.Join(dir, "pack.db")
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if err := os.WriteFile(path, plain, 0o600); err != nil {
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return PackDetailDesign{}, err
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}
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db, err := sql.Open("sqlite", "file:"+filepath.ToSlash(path)+"?mode=ro")
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if err != nil {
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return PackDetailDesign{}, err
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}
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defer db.Close()
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return loadPackDetailDesign(db)
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}
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func loadPackDetailDesign(db *sql.DB) (PackDetailDesign, error) {
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rows, err := db.Query("SELECT id,ProtoBuf FROM FieldMonsterTable ORDER BY id")
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if err != nil {
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return PackDetailDesign{}, err
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}
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defer rows.Close()
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var design PackDetailDesign
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for rows.Next() {
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var id int
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var raw []byte
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if err := rows.Scan(&id, &raw); err != nil {
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return PackDetailDesign{}, err
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}
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values := map[int]uint64{}
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for _, field := range []int{24, 30, 31} {
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v, err := packedInts(raw, field)
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if err != nil || len(v) > 1 || id <= 0 {
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return PackDetailDesign{}, fmt.Errorf("gamedata: invalid detail monster %d field %d", id, field)
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}
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if len(v) == 1 {
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values[field] = v[0]
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}
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}
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if values[31] == 1 && values[30] != 3 && values[24] > 0 {
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design.RegenMonsterIDs = append(design.RegenMonsterIDs, id)
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}
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}
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return design, rows.Err()
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}
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