static bool IsEnemyGrid(MyCubeGrid offenderGrid, DefenderGridInfo defender)
{
var offenderFactions =
offenderGrid
.BigOwners.Concat(offenderGrid.SmallOwners)
.Select(i => MySession.Static.Factions.GetPlayerFaction(i))
.Where(f => f != null)
.ToSet();
var defenderPlayerIds =
defender
.SteamIds
.Select(s => MySession.Static.Players.TryGetIdentityId(s))
.ToSet();
foreach (var offenderFaction in offenderFactions)
{
foreach (var defenderPlayerId in defenderPlayerIds)
{
if (!offenderFaction.Members.ContainsKey(defenderPlayerId) &&
!offenderFaction.IsFriendly(defenderPlayerId))
{
Log.Trace($"enemy: <{defenderPlayerId}> to [{offenderFaction.Tag}] \"{offenderFaction.Name}\"");
return(true);
}
Log.Trace($"friendly: <{defenderPlayerId}> to [{offenderFaction.Tag}] \"{offenderFaction.Name}\"");
}
}
return(false);
}
public IEnumerable <DefenderGridInfo> CollectDefenderGrids()
{
_steamIdExtractor.Update();
var groups = MyCubeGridGroups.Static.Logical.Groups;
foreach (var group in groups)
{
var grid = group.GroupData.Root;
Log.Trace($"\"{grid.DisplayName}\"");
if (!grid.IsStatic)
{
continue;
}
Log.Trace("grid is static");
var gridOwnerIds = grid.BigOwners;
if (!gridOwnerIds.TryGetFirst(out var ownerId))
{
continue;
}
Log.Trace("grid has owner");
var steamIds = _steamIdExtractor.GetAlertableSteamIds(ownerId);
if (!steamIds.Any())
{
continue;
}
Log.Trace("owner is player");
var faction = MySession.Static.Factions.GetPlayerFaction(ownerId);
var factionId = faction?.FactionId ?? 0;
var factionName = faction?.Name;
var position = grid.PositionComp.GetPosition();
var gridInfo = new DefenderGridInfo(grid.EntityId, grid.DisplayName, factionId, factionName, position, steamIds);
Log.Trace($"defender: {gridInfo}");
yield return(gridInfo);
}
}
bool TryGetOffender(IMyEntity entity, DefenderGridInfo defender, out OffenderProximityInfo proximity)
{
proximity = default;
if (!(entity is MyCubeGrid offenderGrid))
{
return(false);
}
if (offenderGrid.EntityId == defender.GridId)
{
return(false);
}
if (!offenderGrid.IsTopMostParent())
{
return(false);
}
if (!IsEnemyGrid(offenderGrid, defender))
{
return(false);
}
var position = offenderGrid.PositionComp.GetPosition();
var distance = Vector3D.Distance(defender.Position, position);
if (distance > _config.MaxProximity)
{
return(false);
}
var offenderInfo = MakeOffenderGridInfo(offenderGrid);
proximity = new OffenderProximityInfo(defender, offenderInfo, distance);
Log.Trace($"offender: {proximity}");
return(true);
}
