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85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
7 months ago
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/*
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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 db
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import (
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"encoding/gob"
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"encoding/hex"
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"fmt"
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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/defs"
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)
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func LegacyReadSystemSaveData(uuid []byte) (defs.SystemSaveData, error) {
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var system defs.SystemSaveData
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file, err := os.Open("userdata/" + hex.EncodeToString(uuid) + "/system.pzs")
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if err != nil {
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return system, fmt.Errorf("failed to open save file for reading: %s", err)
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}
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defer file.Close()
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zstdDecoder, err := zstd.NewReader(file)
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if err != nil {
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return system, fmt.Errorf("failed to create zstd decoder: %s", err)
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}
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defer zstdDecoder.Close()
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err = gob.NewDecoder(zstdDecoder).Decode(&system)
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if err != nil {
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return system, fmt.Errorf("failed to deserialize save: %s", err)
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}
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return system, nil
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}
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func LegacyReadSessionSaveData(uuid []byte, slotID int) (defs.SessionSaveData, error) {
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var session defs.SessionSaveData
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fileName := "session"
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if slotID != 0 {
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fileName += strconv.Itoa(slotID)
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}
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file, err := os.Open(fmt.Sprintf("userdata/%s/%s.pzs", hex.EncodeToString(uuid), fileName))
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if err != nil {
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return session, fmt.Errorf("failed to open save file for reading: %s", err)
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}
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defer file.Close()
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zstdDecoder, err := zstd.NewReader(file)
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if err != nil {
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return session, fmt.Errorf("failed to create zstd decoder: %s", err)
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}
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defer zstdDecoder.Close()
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err = gob.NewDecoder(zstdDecoder).Decode(&session)
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if err != nil {
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return session, fmt.Errorf("failed to deserialize save: %s", err)
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}
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return session, nil
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}
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