1 files changed, 37 insertions, 0 deletions
diff --git a/internal/world/world.go b/internal/world/world.go
index ee06142..0c992ad 100644
--- a/internal/world/world.go
+++ b/internal/world/world.go
@@ -126,9 +126,46 @@ func (w *World) RoomIndex() map[int]bool {
 	return ids
 }
 
+func (w *World) RebuildRoomIndex(dataDir string) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	w.roomPathIndex = behavior.BuildRoomIndex(filepath.Join(dataDir, "rooms"))
+}
+
+func (w *World) AddRoomPath(id int, path string) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	w.roomPathIndex[id] = path
+}
+
+func (w *World) GetRoomPath(id int) (string, bool) {
+	path, ok := w.roomPathIndex[id]
+	return path, ok
+}
+
+func (w *World) ClearHazardCache() {
+	w.hazardMu.Lock()
+	defer w.hazardMu.Unlock()
+	w.hazardPathIndex = nil
+	w.hazardDefs = make(map[string]*HazardDef)
+}
+
 func (w *World) Tick() {
 	w.mu.Lock()
 	defer w.mu.Unlock()
 	w.tickGroundItems()
 	w.tickObjStatesLocked()
 }
+
+func (w *World) ClearRoomState(roomID int) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	delete(w.groundItems, roomID)
+	delete(w.seeded, roomID)
+	prefix := fmt.Sprintf("%d:", roomID)
+	for k := range w.objStates {
+		if strings.HasPrefix(k, prefix) {
+			delete(w.objStates, k)
+		}
+	}
+}