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|
package game
import (
"fmt"
"os"
"strconv"
"gopkg.in/yaml.v3"
"thehouseoficarus/internal/net"
)
func (g *Game) executeSwapID(sess *net.Session, args []string, rawInput string) {
if !g.checkAdmin(sess) {
sess.WriteLine("Unknown command.")
return
}
p := sess.Player
if p == nil {
return
}
var id1, id2 int
switch len(args) {
case 1:
id1 = p.RoomID
var err error
id2, err = strconv.Atoi(args[0])
if err != nil {
sess.WriteLine("Invalid room ID.")
return
}
case 2:
var err error
id1, err = strconv.Atoi(args[0])
if err != nil {
sess.WriteLine("Invalid room ID.")
return
}
id2, err = strconv.Atoi(args[1])
if err != nil {
sess.WriteLine("Invalid room ID.")
return
}
default:
sess.WriteLine("Usage: swapid <id> or swapid <id1> <id2>")
return
}
if id1 == id2 {
sess.WriteLine("Cannot swap a room with itself.")
return
}
path1, ok1 := g.World.GetRoomPath(id1)
path2, ok2 := g.World.GetRoomPath(id2)
if !ok1 {
sess.WriteLine(fmt.Sprintf("Room %d not found.", id1))
return
}
if !ok2 {
sess.WriteLine(fmt.Sprintf("Room %d not found.", id2))
return
}
// Refuse while non-admin players are online: swapping room IDs relocates
// every character whose state embeds those IDs, which is disruptive to
// normal play. Admins may stay online (their own state is migrated too).
for _, other := range g.Hub.AllSessions() {
if other == sess || other.Player == nil {
continue
}
if !g.checkAdmin(other) {
sess.WriteLine("Cannot swap room IDs while non-admin players are online.")
return
}
}
// Swap the two files first. After this, path1 holds the old room id2's
// content and path2 holds the old room id1's content. Rebuilding the index
// then makes LoadRoom(id1)/LoadRoom(id2) return the swapped content, so the
// reference rewrite below operates on the correctly-positioned rooms and
// re-marshaling writes an `id:` field matching the new filename (keeping
// the file's id field consistent with its name, as the old regex did).
tempPath := path1 + ".swapid-tmp"
if rerr := os.Rename(path1, tempPath); rerr != nil {
sess.WriteLine(fmt.Sprintf("Error renaming room %d: %v", id1, rerr))
return
}
if rerr := os.Rename(path2, path1); rerr != nil {
os.Rename(tempPath, path1)
sess.WriteLine(fmt.Sprintf("Error renaming room %d: %v", id2, rerr))
return
}
if rerr := os.Rename(tempPath, path2); rerr != nil {
os.Rename(path2, path1)
os.Rename(tempPath, path1)
sess.WriteLine(fmt.Sprintf("Error finishing rename: %v", rerr))
return
}
g.World.RebuildRoomIndex(g.DataDir)
// Remap every genuine room-ID reference (exit targets, trigger/on-enter
// room+teleport+despawn_rooms, mob wander_rooms) across all rooms. This
// replaces the old \b<id>\b regex, which also clobbered unrelated bare
// integers (delays, quantities, color indices) and author flag values.
// The two swapped rooms are always re-marshaled to correct their `id:`
// field; other rooms are re-marshaled only if a reference actually moved.
idMap := map[int]int{id1: id2, id2: id1}
var updated int
for id := range g.World.RoomIndex() {
room, err := g.World.LoadRoom(id)
if err != nil {
continue
}
changed := room.RewriteRoomIDs(idMap)
if !changed && id != id1 && id != id2 {
continue
}
path, ok := g.World.GetRoomPath(id)
if !ok {
continue
}
data, merr := yaml.Marshal(room)
if merr != nil {
continue
}
if werr := os.WriteFile(path, data, 0644); werr != nil {
continue
}
updated++
}
// Migrate room-ID-embedded state across all characters (online + offline):
// discovered-exit player flags, current RoomID, EnterSeqRoom, MapSymbols,
// and RoomsVisited. This is what the player asked for — without it,
// swapid leaves every character's hidden_exit_<id>_<dir> flags (and more)
// pointing at stale room IDs.
g.RewriteRoomIDs(idMap)
sess.WriteLine(fmt.Sprintf("Swapped room IDs %d and %d (%d files updated).", id1, id2, updated))
}
|
