private void UpdateTalkingHeadSeek(VM vm, VMAvatar talker)
{
// Update head seek of everyone else to attempt to look at the person talking.
var channel = vm.TSOState.ChatChannels.FirstOrDefault(x => x.ID == ChannelID);
if (ChannelID == 7)
{
channel = VMTSOChatChannel.AdminChannel;
}
if (channel != null && channel.ViewPermMin != VMTSOAvatarPermissions.Visitor)
{
return; // Cannot use look towards on private channels.
}
bool isImportantChannel = channel != null && channel.SendPermMin > VMTSOAvatarPermissions.Visitor && channel.Flags.HasFlag(VMTSOChatChannelFlags.EnableTTS);
int multiplier = isImportantChannel ? 2 : 1;
int talkerRoom = vm.Context.GetObjectRoom(talker);
foreach (VMAvatar avatar in vm.Context.ObjectQueries.Avatars)
{
if (avatar == talker)
{
continue;
}
if (!isImportantChannel)
{
// Check if the avatar is in the same room, and rather close by.
int avatarRoom = vm.Context.GetObjectRoom(avatar);
if (avatarRoom != talkerRoom || LotTilePos.Distance(avatar.Position, talker.Position) > 16 * 10)
{
continue; // Not close enough.
}
}
var avatarHeadTarget = vm.GetObjectById(avatar.GetPersonData(VMPersonDataVariable.HeadSeekObject));
var avatarHeadFinish = avatar.GetPersonData(VMPersonDataVariable.HeadSeekFinishAction);
var avatarHeadState = avatar.GetPersonData(VMPersonDataVariable.HeadSeekState);
if (avatarHeadState == 8 || avatarHeadState == 0 || (avatarHeadTarget is VMAvatar && (avatarHeadFinish != -1 || isImportantChannel)))
{
// We can look towards the talker. (important talkers have priority)
avatar.SetPersonData(VMPersonDataVariable.HeadSeekObject, talker.ObjectID);
avatar.SetPersonData(VMPersonDataVariable.HeadSeekState, 1); //in progress flag only
avatar.SetPersonData(VMPersonDataVariable.HeadSeekLimitAction, 1); //look back on limit?
avatar.SetPersonData(VMPersonDataVariable.HeadSeekFinishAction, (short)(isImportantChannel ? -1 : 0)); //use to store if the person was an important talker
avatar.SetPersonData(VMPersonDataVariable.HeadSeekTimeout, (short)(talker.MessageTimeout * multiplier)); //while the message is present
}
}
}
// TODO: float values may desync if devices are not both x86 or using a different C# library.
// Might need to replace with fixed point library for position and rotation
/// <summary>
/// This method will find all the avaliable locations within the criteria ordered by proximity to the optimal proximity
/// External functions can then decide which is most desirable. E.g. the nearest slot to the object may be the longest route if
/// its in another room.
/// </summary>
/// <param name="obj"></param>
/// <param name="slot"></param>
/// <param name="context"></param>
/// <returns></returns>
public List <VMFindLocationResult> FindAvaliableLocations(VMEntity obj, VMContext context, VMEntity caller)
{
/**
* Start at min proximity and circle around the object to find the avaliable locations.
* Then pick the one nearest to the optimal value
*/
/**
* ------ MAJOR TODO: ------
* Avoid vector math at all costs! Small differences in hardware could cause desyncs.
* This really goes for all areas of the SimAntics engine, but here it's particularly bad.
*/
Vector2 center;
if (OnlySit)
{
FailCode = VMRouteFailCode.NoChair;
}
// if we need to use the average location of an object group, it needs to be calculated.
if (((Flags & SLOTFlags.UseAverageObjectLocation) > 0) && (obj.MultitileGroup.MultiTile))
{
center = new Vector2(0, 0);
var objs = obj.MultitileGroup.Objects;
for (int i = 0; i < objs.Count; i++)
{
center += new Vector2(objs[i].Position.x / 16f, objs[i].Position.y / 16f);
}
center /= objs.Count;
}
else
{
center = new Vector2(obj.Position.x / 16f, obj.Position.y / 16f);
}
//add offset of slot if it exists. must be rotated to be relative to object
var rotOff = Vector3.Transform(Slot.Offset, Matrix.CreateRotationZ(obj.RadianDirection));
var circleCtr = new Vector2(center.X + rotOff.X / 16, center.Y + rotOff.Y / 16);
ushort room = context.VM.Context.GetRoomAt(obj.Position);
Results = new List <VMFindLocationResult>();
if ((Flags & SLOTFlags.SnapToDirection) > 0)
{ //snap to the specified direction, on the specified point.
double baseRot;
if (Slot.Facing > SLOTFacing.FaceAwayFromObject)
{
// bit of a legacy thing here. Facing field did not use to exist,
// which is why SnapToDirection was hacked to use the directional flags.
// now that it exists, it is used instead, to encode the same information...
// just transform back into old format.
Flags |= (SLOTFlags)(1 << (int)Slot.Facing);
}
else
{
if (((int)Flags & 255) == 0)
{
Flags |= SLOTFlags.NORTH;
}
}
var flagRot = DirectionUtils.PosMod(obj.RadianDirection + FlagsAsRad(Flags), Math.PI * 2);
if (flagRot > Math.PI)
{
flagRot -= Math.PI * 2;
}
VerifyAndAddLocation(obj, circleCtr, center, Flags, Double.MaxValue, context, caller, (float)flagRot);
return(Results);
}
else
{
if (((int)Flags & 255) == 0 || Slot.Offset != new Vector3())
{
//exact position
//Flags |= (SLOTFlags)255;
// special case, walk directly to point.
VerifyAndAddLocation(obj, circleCtr, center, Flags, Double.MaxValue, context, caller, float.NaN);
return(Results);
}
var maxScore = Math.Max(DesiredProximity - MinProximity, MaxProximity - DesiredProximity) + (LotTilePos.Distance(obj.Position, caller.Position) + MaxProximity) / 3 + 2;
var ignoreRooms = (Flags & SLOTFlags.IgnoreRooms) > 0;
SLOTEnumerationFunction((x, y, distance) =>
{
var pos = new Vector2(circleCtr.X + x / 16.0f, circleCtr.Y + y / 16.0f);
if (distance >= MinProximity - 0.5 && distance <= MaxProximity + 0.5 && (ignoreRooms || context.VM.Context.GetRoomAt(new LotTilePos((short)Math.Round(pos.X * 16), (short)Math.Round(pos.Y * 16), obj.Position.Level)) == room)) //slot is within proximity
{
var routeEntryFlags = (GetSearchDirection(circleCtr, pos, obj.RadianDirection) & Flags); //the route needs to know what conditions it fulfilled
if (routeEntryFlags > 0) //within search location
{
double baseScore = ((maxScore - Math.Abs(DesiredProximity - distance)) + context.VM.Context.NextRandom(1024) / 1024.0f);
VerifyAndAddLocation(obj, pos, center, routeEntryFlags, baseScore, context, caller, float.NaN);
}
}
});
}
/** Sort by how close they are to desired proximity **/
if (Results.Count > 1)
{
Results = Results.OrderBy(x => - x.Score).ToList(); //avoid sort because it acts incredibly unusually
}
if (Results.Count > 0)
{
FailCode = VMRouteFailCode.Success;
}
return(Results);
}
private void VerifyAndAddLocation(VMEntity obj, Vector2 pos, Vector2 center, SLOTFlags entryFlags, double score, VMContext context, VMEntity caller, float facingDir)
{
//note: verification is not performed if snap target slot is enabled.
var tpos = new LotTilePos((short)Math.Round(pos.X * 16), (short)Math.Round(pos.Y * 16), obj.Position.Level);
if (context.IsOutOfBounds(tpos))
{
return;
}
score -= LotTilePos.Distance(tpos, caller.Position) / 3.0;
if (Slot.SnapTargetSlot < 0 && context.Architecture.RaycastWall(new Point((int)pos.X, (int)pos.Y), new Point(obj.Position.TileX, obj.Position.TileY), obj.Position.Level))
{
SetFail(VMRouteFailCode.WallInWay, null);
return;
}
bool faceAnywhere = false;
if (float.IsNaN(facingDir))
{
var obj3P = obj.Position.ToVector3();
var objP = new Vector2(obj3P.X, obj3P.Y);
switch (Slot.Facing)
{
case SLOTFacing.FaceTowardsObject:
facingDir = (float)GetDirectionTo(pos, objP); break;
case SLOTFacing.FaceAwayFromObject:
facingDir = (float)GetDirectionTo(objP, pos); break;
case SLOTFacing.FaceAnywhere:
faceAnywhere = true;
facingDir = 0.0f; break;
default:
int intDir = (int)Math.Round(Math.Log((double)obj.Direction, 2));
var rotatedF = ((int)Slot.Facing + intDir) % 8;
facingDir = (float)(((int)rotatedF > 4) ? ((double)rotatedF * Math.PI / 4.0) : (((double)rotatedF - 8.0) * Math.PI / 4.0)); break;
}
}
VMFindLocationResult result = new VMFindLocationResult
{
Position = new LotTilePos((short)Math.Round(pos.X * 16), (short)Math.Round(pos.Y * 16), obj.Position.Level),
RadianDirection = facingDir,
FaceAnywhere = faceAnywhere,
RouteEntryFlags = entryFlags
};
var avatarInWay = false;
if (Slot.SnapTargetSlot < 0)
{
var solid = caller.PositionValid(tpos, Direction.NORTH, context, VMPlaceRequestFlags.AcceptSlots);
if (solid.Status != Model.VMPlacementError.Success)
{
if (solid.Object != null)
{
if (solid.Object is VMGameObject)
{
if (Slot.Sitting > 0 && solid.Object.EntryPoints[26].ActionFunction != 0)
{
result.Chair = solid.Object;
}
else
{
SetFail(VMRouteFailCode.DestTileOccupied, solid.Object);
return;
}
}
else
{
avatarInWay = true;
}
}
}
if (context.ObjectQueries.GetObjectsAt(tpos)?.Any(
x => ((VMEntityFlags2)x.GetValue(VMStackObjectVariable.FlagField2) & VMEntityFlags2.ArchitectualDoor) > 0) ?? false)
{
avatarInWay = true; //prefer not standing in front of a door. (todo: merge with above check?)
}
if (result.Chair != null && (Math.Abs(DirectionUtils.Difference(result.Chair.RadianDirection, facingDir)) > Math.PI / 4))
{
return; //not a valid goal.
}
if (result.Chair == null && OnlySit)
{
return;
}
score = score * ((result.Chair != null) ? Slot.Sitting : Slot.Standing);
//if an avatar is in or going to our destination positon, we this spot becomes low priority as getting into it will require a shoo.
if (!avatarInWay)
{
foreach (var avatar in context.ObjectQueries.Avatars)
{
if (avatar == caller)
{
continue;
}
//search for routing frame. is its destination the same as ours?
if (avatar.Thread != null)
{
var intersects = avatar.Thread.Stack.Any(x => x is VMRoutingFrame && ((VMRoutingFrame)x).IntersectsOurDestination(result));
if (intersects)
{
score = Math.Max(double.Epsilon, score);
break;
}
}
}
}
else
{
score = Math.Max(double.Epsilon, score);
}
}
result.Score = score;
Results.Add(result);
}
private void VerifyAndAddLocation(VMEntity obj, Vector2 pos, Vector2 center, SLOTFlags entryFlags, double score, VMContext context, VMEntity caller, float facingDir)
{
//note: verification is not performed if snap target slot is enabled.
var tpos = new LotTilePos((short)Math.Round(pos.X * 16), (short)Math.Round(pos.Y * 16), obj.Position.Level);
if (context.IsOutOfBounds(tpos))
{
return;
}
score -= LotTilePos.Distance(tpos, caller.Position) / 3.0;
if (Slot.SnapTargetSlot < 0 && context.Architecture.RaycastWall(new Point((int)pos.X, (int)pos.Y), new Point(obj.Position.TileX, obj.Position.TileY), obj.Position.Level))
{
SetFail(VMRouteFailCode.WallInWay, null);
return;
}
bool faceAnywhere = false;
if (float.IsNaN(facingDir))
{
var obj3P = obj.Position.ToVector3();
var objP = new Vector2(obj3P.X, obj3P.Y);
switch (Slot.Facing)
{
case SLOTFacing.FaceTowardsObject:
facingDir = (float)GetDirectionTo(pos, objP); break;
case SLOTFacing.FaceAwayFromObject:
facingDir = (float)GetDirectionTo(objP, pos); break;
case SLOTFacing.FaceAnywhere:
faceAnywhere = true;
facingDir = 0.0f; break;
default:
int intDir = (int)Math.Round(Math.Log((double)obj.Direction, 2));
var rotatedF = ((int)Slot.Facing + intDir) % 8;
facingDir = (float)(((int)rotatedF > 4) ? ((double)rotatedF * Math.PI / 4.0) : (((double)rotatedF - 8.0) * Math.PI / 4.0)); break;
}
}
VMEntity chair = null;
if (Slot.SnapTargetSlot < 0)
{
var solid = caller.PositionValid(tpos, Direction.NORTH, context);
if (solid.Status != Model.VMPlacementError.Success)
{
if (solid.Object != null && solid.Object is VMGameObject)
{
if (Slot.Sitting > 0 && solid.Object.EntryPoints[26].ActionFunction != 0)
{
chair = solid.Object;
}
else
{
SetFail(VMRouteFailCode.DestTileOccupied, solid.Object);
return;
}
}
}
if (chair != null && (Math.Abs(DirectionUtils.Difference(chair.RadianDirection, facingDir)) > Math.PI / 4))
{
return; //not a valid goal.
}
if (chair == null && OnlySit)
{
return;
}
}
Results.Add(new VMFindLocationResult
{
Position = new LotTilePos((short)Math.Round(pos.X * 16), (short)Math.Round(pos.Y * 16), obj.Position.Level),
Score = score * ((chair != null) ? Slot.Sitting : Slot.Standing), //todo: prefer closer?
RadianDirection = facingDir,
Chair = chair,
FaceAnywhere = faceAnywhere,
RouteEntryFlags = entryFlags
});
}