public static ICharacter GetClosestPlayer(ICharacter characterNpc)
{
byte?tileHeight = null;
try
{
var playersInView = TempListPlayersInView;
ServerWorldService.GetCharactersInView(characterNpc,
playersInView,
onlyPlayerCharacters: true);
if (playersInView.Count == 0)
{
return(null);
}
ICharacter enemy = null;
foreach (var player in playersInView)
{
if (player.GetPublicState <ICharacterPublicState>().IsDead)
{
// do not pay attention to dead characters
continue;
}
if (player.ProtoCharacter.GetType() != typeof(PlayerCharacter))
{
// don't react on non-player prototype (spectator?)
continue;
}
var playerCharacterTile = player.Tile;
if (!tileHeight.HasValue)
{
var npcTile = characterNpc.Tile;
tileHeight = npcTile.Height;
}
if (playerCharacterTile.Height != tileHeight.Value)
{
// attack only on the same height characters
// unless there is a direct line of sight between the NPC and the target
if (AnyObstaclesBetween(characterNpc, player))
{
continue;
}
}
enemy = player;
break;
}
return(enemy);
}
finally
{
TempListPlayersInView.Clear();
}
}
private void ServerUpdateMobDespawn(ICharacter characterMob, TPrivateState privateState, double deltaTime)
{
if (!this.IsAutoDespawn)
{
return;
}
var distanceToSpawnSqr = privateState.SpawnPosition
.TileSqrDistanceTo(characterMob.TilePosition);
if (distanceToSpawnSqr < DespawnTileDistanceThreshold * DespawnTileDistanceThreshold)
{
// close to spawn area, no need to despawn
privateState.TimerDespawn = 0;
return;
}
// too far from spawn area, should despawn after delay
if (privateState.TimerDespawn < DespawnTimeThreshold)
{
// delay is not finished yet
privateState.TimerDespawn += deltaTime;
return;
}
// should despawn
// check that nobody is observing the mob
var playersInView = TempListPlayersInView;
playersInView.Clear();
ServerWorld.GetCharactersInView(characterMob,
playersInView,
onlyPlayerCharacters: true);
foreach (var playerCharacter in playersInView)
{
if (playerCharacter.ServerIsOnline)
{
// cannot despawn - scoped by a player
return;
}
}
// nobody is observing, can despawn
Logger.Important("Mob despawned as it went too far from the spawn position for too long: " + characterMob);
ServerWorld.DestroyObject(characterMob);
}