fix: casino stake preservation, world state reconciliation, casino game registration

1 files changed, 20 insertions, 2 deletions

diff --git a/internal/world/world.go b/internal/world/world.go
index cb53b77..7a91894 100644
--- a/internal/world/world.go
+++ b/internal/world/world.go
@@ -3,6 +3,7 @@ package world
 import (
 	"fmt"
 	"log"
+	"math"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -120,7 +121,7 @@ func (w *World) SeedGroundItems(roomID int) {
 				e.quantity += s.Quantity
 				e.respawnQty += s.Quantity
 				e.isSpawn = true
-				e.respawnDelay = int(s.RespawnTicks)
+				e.respawnDelay = spawnRespawnDelay(s.RespawnTicks)
 				merged = true
 				break
 			}
@@ -130,7 +131,7 @@ func (w *World) SeedGroundItems(roomID int) {
 				itemID:       s.ID,
 				quantity:     s.Quantity,
 				isSpawn:      true,
-				respawnDelay: int(s.RespawnTicks),
+				respawnDelay: spawnRespawnDelay(s.RespawnTicks),
 				respawnQty:   s.Quantity,
 			}
 			w.groundItems[roomID] = append(w.groundItems[roomID], e)
@@ -138,6 +139,20 @@ func (w *World) SeedGroundItems(roomID int) {
 	}
 }
 
+// spawnRespawnDelay converts a fractional respawn_ticks value to whole ticks.
+// Truncating (the old int(v)) turned any 0 < v < 1 into a one-shot spawn that
+// never returned; round instead and floor a positive value at one tick.
+func spawnRespawnDelay(ticks float64) int {
+	if ticks <= 0 {
+		return 0
+	}
+	delay := int(math.Round(ticks))
+	if delay < 1 {
+		delay = 1
+	}
+	return delay
+}
+
 func (w *World) RoomIndex() map[int]bool {
 	w.mu.Lock()
 	defer w.mu.Unlock()
@@ -255,6 +270,9 @@ func (w *World) RekeyRooms(idMap map[int]int) {
 		// from the renamed room (and TickObjWander then creates a second
 		// entry for the same state). Remap wander rooms like MobStore does.
 		m.st.RoomID = m.newID
+		if mapped, ok := idMap[m.st.HomeRoomID]; ok && mapped != m.st.HomeRoomID {
+			m.st.HomeRoomID = mapped
+		}
 		for i, room := range m.st.WanderRooms {
 			if mapped, ok := idMap[room]; ok && mapped != room {
 				m.st.WanderRooms[i] = mapped