private void NotifyOfCollision(MappedObjectPotentialMove v)
{
hub.Launch <Message_GameCombat>(new Message_GameCombat(MainMessageKind.CombatMessage, KnownSubkinds.CollisionOccured));
hub.Launch <Message_Ui>(new Message_Ui(MainMessageKind.UIMessage, KnownSubkinds.CollisionOccured));
bd2TickAction act = new bd2TickAction();
act.ActionType = LastTickEventType.Collision;
CreateNextTurnNotificationMessage(v.Underlying.EngineId, act);
}
private string CreateKeyForCollision(MappedObjectPotentialMove moveOne, MappedObjectPotentialMove moveTwo)
{
if (moveTwo.Underlying.EngineId < moveOne.Underlying.EngineId)
{
return(moveTwo.Underlying.EngineId.ToString() + moveOne.Underlying.EngineId.ToString());
}
else
{
return(moveOne.Underlying.EngineId.ToString() + moveTwo.Underlying.EngineId.ToString());
}
}
private MappedObjectPotentialMove MoveMappableObject(MappedObject v)
{
b.Assert.True(activeWorld.IsFreeWorldSpace(v.Position), "The bot should not be in a non free space");
MappedObjectPotentialMove result = new MappedObjectPotentialMove(v);
result.DesiredPosition = activeWorld.CalculateNextPositionForObject(v.Position, v.Heading);
if (!activeWorld.IsFreeWorldSpace(result.DesiredPosition))
{
result.HasBoundaryCollision = true;
}
return(result);
}
private void ApplyCollision(MappedObjectPotentialMove v, bool isBoundary = true)
{
v.HasBoundaryCollision = isBoundary;
v.HasCollided = true;
NotifyOfCollision(v);
v.Underlying.Speed = 0;
v.DesiredPosition = v.Underlying.Position;
// TODO : Unit test, confirm that on a collision the object does not move on (into the boundary wall);
ApplyDamageToObject(v.Underlying.EngineId, BdConstants.CollisionDamageBaseValue, DamageType.Collision);
}
private void ApplyCollision(MappedObjectPotentialMove moveOne, MappedObjectPotentialMove moveTwo)
{
if ((moveOne.DesiredPosition == moveTwo.DesiredPosition) && (moveOne.Underlying.Speed > 0) && (moveTwo.Underlying.Speed > 0))
{
b.Verbose.Log("Two bots moving into same space collision - checking speeds @ " + moveOne.DesiredPosition.ToString());
if (moveOne.Underlying.Speed > moveTwo.Underlying.Speed)
{
moveTwo.DesiredPosition = moveTwo.Underlying.Position;
}
else
{
moveOne.DesiredPosition = moveOne.Underlying.Position;
}
}
else
{
b.Verbose.Log("Passthrough collision (one passes through others current loc) - no one moves @ " + moveOne.DesiredPosition.ToString());
moveOne.DesiredPosition = moveOne.Underlying.Position;
moveTwo.DesiredPosition = moveTwo.Underlying.Position;
}
ApplyCollision(moveOne, false);
ApplyCollision(moveTwo, false);
}
private void PerformMovementForTick()
{
List <MappedObjectPotentialMove> potentialMoves = new List <MappedObjectPotentialMove>();
EachActiveBot(bt => {
MappedObjectPotentialMove res;
if (SpeedTriggersMoveForTick(Tick, bt.Speed))
{
res = MoveMappableObject(bt);
}
else
{
res = new MappedObjectPotentialMove(bt);
res.DesiredPosition = bt.Position;
}
potentialMoves.Add(res);
});
List <string> collisionsAlreadyRecorded = new List <string>();
b.Verbose.Log("All potential moves are recorded, resolving collisions");
foreach (var v in potentialMoves)
{
if (v.HasBoundaryCollision)
{
ApplyCollision(v);
}
else
{
foreach (var p in potentialMoves)
{
if (v.Underlying.EngineId == p.Underlying.EngineId)
{
continue;
}
b.Assert.True(v.Underlying.Position != p.Underlying.Position, "Two objects sat on top of each other problem. [" + v.Underlying.Position.ToString() + "][" + v.Underlying.Position.ToString() + "]");
if ((v.DesiredPosition == p.DesiredPosition) || (v.Underlying.Position == p.DesiredPosition) || (v.DesiredPosition == p.Underlying.Position))
{
string key = CreateKeyForCollision(v, p);
if (!collisionsAlreadyRecorded.Contains(key))
{
collisionsAlreadyRecorded.Add(key);
ApplyCollision(v, p);
}
}
}
}
}
b.Verbose.Log("Move potentials done, finalising");
foreach (var move in potentialMoves)
{
if (move.Underlying.Position != move.DesiredPosition)
{
move.Underlying.Position = move.DesiredPosition;
MapObjectPositionChangeContext ctxt = new MapObjectPositionChangeContext();
ctxt.ObjectIdentity = move.Underlying.EngineId;
ctxt.Destination = move.DesiredPosition;
bd2TickAction act = new bd2TickAction();
act.ActionType = LastTickEventType.Moved;
CreateNextTurnNotificationMessage(move.Underlying.EngineId, act);
hub.Launch <Message_Game>(new Message_Game(MainMessageKind.MapObjectMovementChange, KnownSubkinds.BotPositionChange)
{
RequestContext = ctxt
});
}
}
}
