Files
VRCWT-OSC/VRWT_Tool/VRC_OSC/internal/app/vrc_log.go
every_holiday 72aa10de46
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Refine Go runtime behavior and log handling
2026-06-24 01:53:24 +09:00

314 lines
7.6 KiB
Go

package app
import (
"bufio"
"fmt"
"log"
"os"
"path/filepath"
"regexp"
"strings"
"time"
)
var (
joinPattern = regexp.MustCompile(`OnPlayerJoined\s+(.+?)\s+\(usr_[0-9a-fA-F-]+\)`)
leftPattern = regexp.MustCompile(`OnPlayerLeft\s+(.+?)\s+\(usr_[0-9a-fA-F-]+\)`)
worldIdPattern = regexp.MustCompile(`worldId=(wrld_[0-9a-fA-F-]+)`)
instanceIdPattern = regexp.MustCompile(`instanceId=([^,}\s]+)`)
worldNamePattern = regexp.MustCompile(`worldName=([^,}]+)`)
worldLocationPattern = regexp.MustCompile(`worldId=(wrld_[0-9a-fA-F-]+):([^\s,\]\)\"']+)`)
worldPattern = regexp.MustCompile(`(wrld_[0-9a-fA-F-]+(?::[^\s\]\)\"']+)?)`)
enteringRoomPattern = regexp.MustCompile(`\[Behaviour\]\s+(?:Entering Room|Joining or Creating Room):\s+(.+)$`)
)
type vrcLogState struct {
location string
worldID string
instanceID string
worldName string
pendingWorldName string
presentSet map[string]struct{}
initialized bool
}
func getVrchatLogDir() (string, error) {
userProfile := os.Getenv("USERPROFILE")
if userProfile == "" {
return "", os.ErrNotExist
}
return filepath.Join(userProfile, "AppData", "LocalLow", "VRChat", "VRChat"), nil
}
func findLatestVrchatLog() (string, error) {
dir, err := getVrchatLogDir()
if err != nil {
return "", err
}
entries, err := os.ReadDir(dir)
if err != nil {
return "", err
}
var latest string
var latestMod time.Time
for _, entry := range entries {
if entry.IsDir() {
continue
}
name := entry.Name()
if !strings.HasSuffix(strings.ToLower(name), ".log") && !strings.HasSuffix(strings.ToLower(name), ".txt") {
continue
}
info, err := entry.Info()
if err != nil {
continue
}
if info.ModTime().After(latestMod) {
latestMod = info.ModTime()
latest = filepath.Join(dir, name)
}
}
if latest == "" {
return "", os.ErrNotExist
}
return latest, nil
}
func watchVrchatLog() {
lastPath := ""
lastSize := int64(0)
state := &vrcLogState{
presentSet: map[string]struct{}{},
}
for {
path, err := findLatestVrchatLog()
if err != nil {
time.Sleep(2 * time.Second)
continue
}
info, err := os.Stat(path)
if err != nil {
time.Sleep(2 * time.Second)
continue
}
if path != lastPath {
log.Printf("vrchat log watching %s", path)
lastPath = path
lastSize = 0
if err := scanExistingVrchatLog(path, state); err != nil {
log.Printf("vrchat log initial scan failed: %v", err)
}
if info2, err := os.Stat(path); err == nil {
lastSize = info2.Size()
} else {
lastSize = info.Size()
}
time.Sleep(2 * time.Second)
continue
}
if info.Size() < lastSize {
lastSize = 0
}
if info.Size() > lastSize {
f, err := os.Open(path)
if err != nil {
time.Sleep(2 * time.Second)
continue
}
_, _ = f.Seek(lastSize, 0)
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
if err := appendRuntimeLog("VRC LOG", line); err != nil {
log.Printf("append runtime log failed: %v", err)
}
if changed, worldLabel := updateWorldState(state, line); changed {
log.Printf("world changed: %s", worldLabel)
state.presentSet = map[string]struct{}{}
_ = appendRuntimeLog("VRC WORLD", worldLabel)
}
if m := joinPattern.FindStringSubmatch(line); len(m) == 2 {
name := strings.TrimSpace(m[1])
state.presentSet[name] = struct{}{}
out := fmt.Sprintf("[join] %s (%d)", name, len(state.presentSet))
log.Print(out)
_ = appendJoinLeaveLog(out)
continue
}
if m := leftPattern.FindStringSubmatch(line); len(m) == 2 {
name := strings.TrimSpace(m[1])
delete(state.presentSet, name)
out := fmt.Sprintf("[leave] %s (%d)", name, len(state.presentSet))
log.Print(out)
_ = appendJoinLeaveLog(out)
continue
}
}
lastSize = info.Size()
_ = f.Close()
}
time.Sleep(2 * time.Second)
}
}
func scanExistingVrchatLog(path string, state *vrcLogState) error {
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
state.presentSet = map[string]struct{}{}
state.location = ""
state.worldID = ""
state.instanceID = ""
state.worldName = ""
state.pendingWorldName = ""
state.initialized = false
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
if changed, _ := updateWorldState(state, line); changed {
state.presentSet = map[string]struct{}{}
}
if m := joinPattern.FindStringSubmatch(line); len(m) == 2 {
name := strings.TrimSpace(m[1])
state.presentSet[name] = struct{}{}
continue
}
if m := leftPattern.FindStringSubmatch(line); len(m) == 2 {
name := strings.TrimSpace(m[1])
delete(state.presentSet, name)
continue
}
}
if err := scanner.Err(); err != nil {
return err
}
state.initialized = true
if state.worldName != "" {
log.Printf("world changed: %s", state.worldName)
_ = appendRuntimeLog("VRC WORLD", state.worldName)
}
return nil
}
func updateWorldState(state *vrcLogState, line string) (bool, string) {
worldID := ""
instanceID := ""
worldName := ""
roomTitle := ""
if m := enteringRoomPattern.FindStringSubmatch(line); len(m) == 2 {
roomTitle = strings.TrimSpace(m[1])
state.pendingWorldName = roomTitle
}
if m := worldLocationPattern.FindStringSubmatch(line); len(m) == 3 {
worldID = strings.TrimSpace(m[1])
instanceID = strings.TrimSpace(m[2])
}
if m := worldIdPattern.FindStringSubmatch(line); len(m) == 2 {
worldID = strings.TrimSpace(m[1])
}
if m := instanceIdPattern.FindStringSubmatch(line); len(m) == 2 {
instanceID = strings.TrimSpace(m[1])
}
if m := worldNamePattern.FindStringSubmatch(line); len(m) == 2 {
worldName = strings.TrimSpace(m[1])
}
if m := enteringRoomPattern.FindStringSubmatch(line); len(m) == 2 && worldID == "" {
if worldMatch := worldPattern.FindStringSubmatch(m[1]); len(worldMatch) == 2 {
worldID = worldMatch[1]
}
}
nextLocation := ""
if worldID != "" {
nextLocation = worldID
if instanceID != "" {
nextLocation = worldID + ":" + instanceID
}
}
if nextLocation != "" && nextLocation != state.location {
state.location = nextLocation
state.worldID = worldID
state.instanceID = instanceID
if worldName != "" {
state.worldName = worldName
} else if shouldUseRoomTitlePreferLatest(roomTitle, state.worldName) {
state.worldName = roomTitle
}
label := state.worldName
if label == "" {
label = state.worldID
}
if label == "" {
label = nextLocation
}
if state.initialized {
log.Printf("world changed: %s", label)
_ = appendRuntimeLog("VRC WORLD", label)
}
return true, label
}
if worldName != "" {
state.worldName = worldName
state.pendingWorldName = ""
return false, ""
}
if shouldUseRoomTitlePreferLatest(roomTitle, state.worldName) {
state.worldName = roomTitle
}
return false, ""
}
func shouldUseRoomTitle(roomTitle, currentWorldName string) bool {
if roomTitle == "" {
return false
}
if strings.Contains(roomTitle, "Home Location") {
return false
}
if roomTitle == "Holiday-Cottage" && currentWorldName != "" && currentWorldName != roomTitle {
return false
}
if currentWorldName == "" {
return true
}
if roomTitle == currentWorldName {
return false
}
if len(roomTitle) > len(currentWorldName) {
return true
}
if strings.Contains(roomTitle, "「") || strings.Contains(roomTitle, "」") || strings.Contains(roomTitle, "[") {
return true
}
return false
}
func shouldUseRoomTitlePreferLatest(roomTitle, currentWorldName string) bool {
if roomTitle == "" {
return false
}
if strings.Contains(roomTitle, "Home Location") {
return false
}
if currentWorldName == "" {
return true
}
if roomTitle == currentWorldName {
return false
}
return true
}