mirror of Walter-Sparrow / lunar-tear
Added --latest-scene flag
Author: https://github.com/L4w1i3t
+58
-1
+9
server/cmd/lunar-tear/main.go
+9
server/cmd/lunar-tear/main.go
···
18
18
httpPort := flag.Int("http-port", 8080, "HTTP server port (Octo API)")
19
19
host := flag.String("host", "127.0.0.1", "hostname the client will connect to")
20
20
scene := flag.Int("scene", 0, "Bootstrap to scene N (0 = fresh start)")
21
+
latestScene := flag.Bool("latest-scene", false, "Bootstrap from the most recently saved snapshot (overrides -scene)")
21
22
starterItems := flag.Bool("starter-items", false, "Grant starter items to new users")
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flag.Parse()
23
24
···
36
37
snapshotDir := "snapshots"
37
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if err := os.MkdirAll(snapshotDir, 0755); err != nil {
38
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log.Fatalf("create snapshot dir: %v", err)
40
+
}
41
+
if *latestScene {
42
+
if id, ok := memory.LatestSnapshotSceneId(snapshotDir); ok {
43
+
*scene = int(id)
44
+
log.Printf("[latest-scene] auto-selected most recent snapshot: scene=%d", id)
45
+
} else {
46
+
log.Printf("[latest-scene] no snapshots found in %q; starting fresh", snapshotDir)
47
+
}
39
48
}
40
49
41
50
gameConfig, err := masterdata.LoadGameConfig()
+1
-1
server/internal/service/listbin.go
+1
-1
server/internal/service/listbin.go
+48
server/internal/store/memory/snapshot.go
+48
server/internal/store/memory/snapshot.go
···
6
6
"log"
7
7
"os"
8
8
"path/filepath"
9
+
"strconv"
10
+
"strings"
9
11
10
12
"lunar-tear/server/internal/store"
11
13
)
···
30
32
return
31
33
}
32
34
log.Printf("[snapshot] saved scene=%d (%d bytes)", sceneId, len(data))
35
+
}
36
+
37
+
// parseSceneId extracts the numeric scene ID from a filename of the form "scene_<id>.json".
38
+
// Returns (0, false) if the name does not match the expected format.
39
+
func parseSceneId(name string) (int32, bool) {
40
+
if !strings.HasPrefix(name, "scene_") || !strings.HasSuffix(name, ".json") {
41
+
return 0, false
42
+
}
43
+
raw := strings.TrimSuffix(strings.TrimPrefix(name, "scene_"), ".json")
44
+
id, err := strconv.ParseInt(raw, 10, 32)
45
+
if err != nil {
46
+
return 0, false
47
+
}
48
+
return int32(id), true
49
+
}
50
+
51
+
// LatestSnapshotSceneId scans dir for scene_*.json files and returns the scene ID
52
+
// of the most recently modified snapshot. Returns (0, false) if none are found.
53
+
func LatestSnapshotSceneId(dir string) (int32, bool) {
54
+
entries, err := os.ReadDir(dir)
55
+
if err != nil {
56
+
return 0, false
57
+
}
58
+
var latestId int32
59
+
var latestMod int64
60
+
for _, e := range entries {
61
+
if e.IsDir() {
62
+
continue
63
+
}
64
+
id, ok := parseSceneId(e.Name())
65
+
if !ok {
66
+
continue
67
+
}
68
+
info, err := e.Info()
69
+
if err != nil {
70
+
continue
71
+
}
72
+
if mt := info.ModTime().UnixNano(); mt > latestMod {
73
+
latestMod = mt
74
+
latestId = id
75
+
}
76
+
}
77
+
if latestId == 0 {
78
+
return 0, false
79
+
}
80
+
return latestId, true
33
81
}
34
82
35
83
func loadSnapshot(dir string, sceneId int32) (*store.UserState, error) {