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97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
/*
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Copyright (C) 2024 Pagefault Games
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package savedata
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import (
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"bytes"
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"encoding/gob"
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"fmt"
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"log"
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"os"
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"strconv"
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"github.com/klauspost/compress/zstd"
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"github.com/pagefaultgames/rogueserver/db"
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"github.com/pagefaultgames/rogueserver/defs"
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)
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var zstdEncoder, _ = zstd.NewWriter(nil)
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// /savedata/update - update save data
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func Update(uuid []byte, slot int, save any) error {
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err := db.UpdateAccountLastActivity(uuid)
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if err != nil {
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log.Print("failed to update account last activity")
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}
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// ideally should have been done at account creation
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err = os.MkdirAll(fmt.Sprintf("userdata/%x", uuid), 0755)
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if err != nil && !os.IsExist(err) {
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return fmt.Errorf(fmt.Sprintf("failed to create userdata folder: %s", err))
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}
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var filename string
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switch save := save.(type) {
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case defs.SystemSaveData: // System
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if save.TrainerId == 0 && save.SecretId == 0 {
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return fmt.Errorf("invalid system data")
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}
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if save.GameVersion != "1.0.4" {
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return fmt.Errorf("client version out of date")
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}
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err = db.UpdateAccountStats(uuid, save.GameStats, save.VoucherCounts)
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if err != nil {
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return fmt.Errorf("failed to update account stats: %s", err)
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}
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filename = "system"
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db.DeleteClaimedAccountCompensations(uuid)
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case defs.SessionSaveData: // Session
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if slot < 0 || slot >= defs.SessionSlotCount {
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return fmt.Errorf("slot id %d out of range", slot)
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}
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filename = "session"
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if slot != 0 {
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filename += strconv.Itoa(slot)
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}
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default:
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return fmt.Errorf("invalid data type")
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}
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var buf bytes.Buffer
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err = gob.NewEncoder(&buf).Encode(save)
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if err != nil {
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return fmt.Errorf("failed to serialize save: %s", err)
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}
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if buf.Len() == 0 {
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return fmt.Errorf("tried to write empty save file")
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}
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err = os.WriteFile(fmt.Sprintf("userdata/%x/%s.pzs", uuid, filename), zstdEncoder.EncodeAll(buf.Bytes(), nil), 0644)
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if err != nil {
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return fmt.Errorf("failed to write save to disk: %s", err)
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}
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return nil
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}
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