public static void RemoveInstance(Session session, bool confirmed = false)
{
var wo = CommandHandlerHelper.GetLastAppraisedObject(session);
if (wo == null)
{
return;
}
var landblock = (ushort)wo.Location.Landblock;
var instances = DatabaseManager.World.GetCachedInstancesByLandblock(landblock);
var instance = instances.FirstOrDefault(i => i.Guid == wo.Guid.Full);
if (instance == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find landblock_instance for {wo.WeenieClassId} - {wo.Name} (0x{wo.Guid})", ChatMessageType.Broadcast));
return;
}
var numChilds = instance.LandblockInstanceLink.Count;
if (numChilds > 0 && !confirmed)
{
// get total numChilds iteratively
numChilds = 0;
foreach (var link in instance.LandblockInstanceLink)
{
numChilds += GetNumChilds(session, link, instances);
}
// require confirmation for parent objects
var msg = $"Are you sure you want to delete this parent object, and {numChilds} child object{(numChilds != 1 ? "s" : "")}?";
session.Player.ConfirmationManager.EnqueueSend(new Confirmation_Custom(session.Player.Guid, () => RemoveInstance(session, true)), msg);
return;
}
if (instance.IsLinkChild)
{
LandblockInstanceLink link = null;
foreach (var parent in instances.Where(i => i.LandblockInstanceLink.Count > 0))
{
link = parent.LandblockInstanceLink.FirstOrDefault(i => i.ChildGuid == instance.Guid);
if (link != null)
{
parent.LandblockInstanceLink.Remove(link);
break;
}
}
if (link == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find parent link for child {wo.WeenieClassId} - {wo.Name} (0x{wo.Guid})", ChatMessageType.Broadcast));
return;
}
}
wo.DeleteObject();
foreach (var link in instance.LandblockInstanceLink)
{
RemoveChild(session, link, instances);
}
instances.Remove(instance);
SyncInstances(session, landblock, instances);
session.Network.EnqueueSend(new GameMessageSystemChat($"Removed {(instance.IsLinkChild ? "child " : "")}{wo.WeenieClassId} - {wo.Name} (0x{wo.Guid}) from landblock instances", ChatMessageType.Broadcast));
}
public static void HandleCreateInst(Session session, params string[] parameters)
{
var loc = new Position(session.Player.Location);
var param = parameters[0];
Weenie weenie = null;
uint?parentGuid = null;
var landblock = session.Player.CurrentLandblock.Id.Landblock;
var firstStaticGuid = 0x70000000 | (uint)landblock << 12;
if (parameters.Length > 1)
{
var allParams = string.Join(" ", parameters);
var match = Regex.Match(allParams, @"-p ([\S]+) -c ([\S]+)", RegexOptions.IgnoreCase);
if (match.Success)
{
var parentGuidStr = match.Groups[1].Value;
param = match.Groups[2].Value;
if (parentGuidStr.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
parentGuidStr = parentGuidStr.Substring(2);
}
if (!uint.TryParse(parentGuidStr, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var _parentGuid))
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't parse parent guid {match.Groups[1].Value}", ChatMessageType.Broadcast));
return;
}
parentGuid = _parentGuid;
if (parentGuid <= 0xFFF)
{
parentGuid = firstStaticGuid | parentGuid;
}
}
else if (parameters[1].StartsWith("-c", StringComparison.OrdinalIgnoreCase))
{
// get parent from last appraised object
var parent = CommandHandlerHelper.GetLastAppraisedObject(session);
if (parent == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find parent object", ChatMessageType.Broadcast));
return;
}
parentGuid = parent.Guid.Full;
}
}
if (uint.TryParse(param, out var wcid))
{
weenie = DatabaseManager.World.GetCachedWeenie(wcid); // wcid
}
else
{
weenie = DatabaseManager.World.GetCachedWeenie(param); // classname
}
if (weenie == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find weenie {param}", ChatMessageType.Broadcast));
return;
}
// clear any cached instances for this landblock
DatabaseManager.World.ClearCachedInstancesByLandblock(landblock);
var instances = DatabaseManager.World.GetCachedInstancesByLandblock(landblock);
// for link mode, ensure parent guid instance exists
WorldObject parentObj = null;
LandblockInstance parentInstance = null;
if (parentGuid != null)
{
parentInstance = instances.FirstOrDefault(i => i.Guid == parentGuid);
if (parentInstance == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find landblock instance for parent guid 0x{parentGuid:X8}", ChatMessageType.Broadcast));
return;
}
parentObj = session.Player.CurrentLandblock.GetObject(parentGuid.Value);
if (parentObj == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Couldn't find parent object 0x{parentGuid:X8}", ChatMessageType.Broadcast));
return;
}
}
var nextStaticGuid = GetNextStaticGuid(landblock, instances);
var maxStaticGuid = firstStaticGuid | 0xFFF;
// manually specify a start guid?
if (parameters.Length == 2)
{
if (uint.TryParse(parameters[1].Replace("0x", ""), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var startGuid))
{
if (startGuid <= 0xFFF)
{
startGuid = firstStaticGuid | startGuid;
}
if (startGuid < firstStaticGuid || startGuid > maxStaticGuid)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Landblock instance guid {startGuid:X8} must be between {firstStaticGuid:X8} and {maxStaticGuid:X8}", ChatMessageType.Broadcast));
return;
}
var existing = instances.FirstOrDefault(i => i.Guid == startGuid);
if (existing != null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Landblock instance guid {startGuid:X8} already exists", ChatMessageType.Broadcast));
return;
}
nextStaticGuid = startGuid;
}
}
if (nextStaticGuid >= maxStaticGuid)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Landblock {landblock:X4} has reached the maximum # of static guids", ChatMessageType.Broadcast));
return;
}
// create and spawn object
var wo = WorldObjectFactory.CreateWorldObject(weenie, new ObjectGuid(nextStaticGuid));
if (wo == null)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"Failed to create new object for {weenie.ClassId} - {weenie.ClassName}", ChatMessageType.Broadcast));
return;
}
if (!wo.Stuck)
{
session.Network.EnqueueSend(new GameMessageSystemChat($"{weenie.ClassId} - {weenie.ClassName} is missing PropertyBool.Stuck, cannot spawn as landblock instance", ChatMessageType.Broadcast));
return;
}
// spawn as ethereal temporarily, to spawn directly on player position
wo.Ethereal = true;
wo.Location = new Position(loc);
// even on flat ground, objects can sometimes fail to spawn at the player's current Z
// Position.Z has some weird thresholds when moving around, but i guess the same logic doesn't apply when trying to spawn in...
wo.Location.PositionZ += 0.05f;
var isLinkChild = parentInstance != null;
session.Network.EnqueueSend(new GameMessageSystemChat($"Creating new landblock instance {(isLinkChild ? "child object " : "")}@ {loc.ToLOCString()}\n{wo.WeenieClassId} - {wo.Name} ({nextStaticGuid:X8})", ChatMessageType.Broadcast));
if (!wo.EnterWorld())
{
session.Network.EnqueueSend(new GameMessageSystemChat("Failed to spawn new object at this location", ChatMessageType.Broadcast));
return;
}
// create new landblock instance
var instance = CreateLandblockInstance(wo, isLinkChild);
instances.Add(instance);
if (isLinkChild)
{
var link = new LandblockInstanceLink();
link.ParentGuid = parentGuid.Value;
link.ChildGuid = wo.Guid.Full;
link.LastModified = DateTime.Now;
parentInstance.LandblockInstanceLink.Add(link);
parentObj.LinkedInstances.Add(instance);
// ActivateLinks?
parentObj.SetLinkProperties(wo);
parentObj.ChildLinks.Add(wo);
wo.ParentLink = parentObj;
}
SyncInstances(session, landblock, instances);
}