/// <summary>
/// Usually the current JPS implementation creates too many jump points (many of them are aligned in one line).
/// This function gives three first „natural” jump points (two or three), which means they don't form a single line.
/// </summary>
public IList <Vector2Int> GetNaturalJumpPoints(IList <Vector2Int> jumpPoints)
{
if (jumpPoints.Count <= 2)
{
return(jumpPoints);
}
var result = new List <Vector2Int> {
jumpPoints[0]
};
Vector2Int currentDirectionNormalized = Vector2IntUtilities.Normalized(jumpPoints[1] - jumpPoints[0]);
for (int i = 2; i < jumpPoints.Count; i++) // we should start checking from current == third and previous == second
{
Vector2Int previousPointToCheck = jumpPoints[i - 1];
Vector2Int currentPointToCheck = jumpPoints[i];
Vector2Int currentDirection = Vector2IntUtilities.Normalized(currentPointToCheck - previousPointToCheck);
if (currentDirection != currentDirectionNormalized) // change of direction implicates that the last jump point was natural
{
result.Add(previousPointToCheck);
currentDirectionNormalized = currentDirection;
}
}
result.Add(jumpPoints.Last());
return(result);
}
public void Cofanie()
{
var actorPosition = new Vector2Int(10, 10);
var toEnemy = new Vector2Int(-1, -1);
Vector2Int directionFromEnemy = Vector2IntUtilities.Normalized(toEnemy) * -1;
IEnumerable <Vector2Int> positionsToStepBack = Vector2IntUtilities.GetCone(directionFromEnemy)
.Select(coneVector => actorPosition + coneVector - directionFromEnemy);
foreach (var vector2Int in positionsToStepBack)
{
Console.WriteLine(vector2Int);
}
}
private IGameAction ResolveActionForAggresion(ActorData actorData)
{
if (_rng.Check(0.04f))
{
if (_gameContext.PlayerActor.ActorData.Health <= 0)
{
if (_rng.Check(0.07f))
{
string text = _rng.Choice(new[] { "Ha, ha!", "I got him!", "I know my strength!", "Got what he deserved!",
"Guess what we'll cook for dinner..." });
_textEffectPresenter.ShowTextEffect(actorData.LogicalPosition, text);
}
}
else if (actorData.ActorType == ActorType.Dog && actorData.Team != Team.Beasts)
{
string text = _rng.Choice(new[] { "Woof", "Wrrrr!" });
_textEffectPresenter.ShowTextEffect(actorData.LogicalPosition, text);
}
else if (actorData.ActorType == ActorType.LastMonster)
{
var potential = new[] { "Whshsh!", "Rrrruv!" }.ToList();
if (!actorData.Entity.IsVisible)
{
potential.AddRange(new[] { "[THUD!]", "[THUD!]", "[THUD!]" });
}
string text = _rng.Choice(potential);
_textEffectPresenter.ShowTextEffect(actorData.LogicalPosition, text, text == "[THUD!]" ? Color.white
: Color.magenta, true);
}
else if (actorData.ActorType == ActorType.Friend || actorData.ActorType == ActorType.Buddy)
{
string text = _rng.Choice(new[] { "Ma-uluh, ruv!", "Suku bgeve lir...", "Alir tak rettenekopast!" });
_textEffectPresenter.ShowTextEffect(actorData.LogicalPosition, text, new Color(0.7f, 0.8f, 1f));
}
else if (actorData.ActorType != ActorType.Basher && actorData.ActorType != ActorType.LastMonster)
{
string text = _rng.Choice(new[] { "Back to your ward!", "Squeak!", "You're mine!", "Comrades, help me!", "Aah!" });
_textEffectPresenter.ShowTextEffect(actorData.LogicalPosition, text);
}
}
List <ActorData> enemiesClose = _entityDetector.DetectActors(actorData.LogicalPosition, actorData.VisionRayLength)
.Where(a => a.Team != actorData.Team && a.Entity.IsVisible)
.ToList();
enemiesClose.Sort((first, second) =>
Vector2IntUtilities.WalkDistance(first.LogicalPosition, actorData.LogicalPosition)
.CompareTo(Vector2IntUtilities.WalkDistance(second.LogicalPosition, actorData.LogicalPosition))
);
ActorData closestEnemy = enemiesClose.FirstOrDefault();
if (closestEnemy != null)
{
Vector2Int toEnemy = closestEnemy.LogicalPosition - actorData.LogicalPosition;
// mam nadzieje, ze zadziala
if (Vector2IntUtilities.WalkDistance(closestEnemy.LogicalPosition, actorData.LogicalPosition) == 2)
{ // move towards player if possible and desired
bool possible = false;
Vector2Int?legalMove = null;
Vector2Int directionToEnemy = Vector2IntUtilities.Normalized(toEnemy);
IEnumerable <Vector2Int> candidateMovesToEnemy = Vector2IntUtilities.GetCone(directionToEnemy)
.Select(coneVector => coneVector - directionToEnemy)
.Where(fixedConeVector => fixedConeVector != actorData.LogicalPosition);
IList <Vector2Int> candidateMovesShuffled = _rng.Shuffle(candidateMovesToEnemy);
foreach (var cand in candidateMovesShuffled)
{
if (!_entityDetector.DetectActors(actorData.LogicalPosition + cand).Any() &&
_gridInfoProvider.IsWalkable(actorData.LogicalPosition + cand))
{
legalMove = cand;
break;
}
}
if (legalMove.HasValue)
{
int closeCombatAdvantage = actorData.WeaponWeld.WeaponDefinition.CloseCombatModifier -
closestEnemy.WeaponWeld.WeaponDefinition.CloseCombatModifier;
if (closeCombatAdvantage < 0)
{
closeCombatAdvantage = 0;
}
float chanceToMove = .1f + 0.2f * closeCombatAdvantage;
if (_rng.Check(chanceToMove))
{
return(_actionFactory.CreateMoveAction(actorData, legalMove.Value));
}
}
}
if (Vector2IntUtilities.IsOneStep(toEnemy) ||
(actorData.WeaponWeld.WeaponDefinition.AllowsFarCombat && Vector2IntUtilities.IsOneOrTwoSteps(toEnemy) &&
_clearWayBetweenTwoPointsDetector.ClearWayExists(actorData.LogicalPosition, closestEnemy.LogicalPosition)))
{
IGameAction actionToPerform;
bool pushingIsPossible = actorData.AiTraits.Contains(AiTrait.Pusher) && Vector2IntUtilities.IsOneStep(toEnemy) &&
_gridInfoProvider.IsWalkable(closestEnemy.LogicalPosition + toEnemy);
bool pushingIsDesired = false;
if (pushingIsPossible)
{
float pushingChanceScore = 0.08f;
if (actorData.WeaponWeld.WeaponDefinition.CloseCombatModifier < closestEnemy.WeaponWeld.WeaponDefinition.CloseCombatModifier)
{
pushingChanceScore += .25f;
}
if (!_gridInfoProvider.IsWalkable(closestEnemy.LogicalPosition + toEnemy + toEnemy))
{
pushingChanceScore += .2f;
}
if (_rng.Check(pushingChanceScore))
{
pushingIsDesired = true;
}
}
if (pushingIsPossible && pushingIsDesired)
{
actionToPerform = _actionFactory.CreatePushAction(actorData, closestEnemy);
}
else
{
bool isInGoodPosition = Vector2IntUtilities.IsOneStep(toEnemy) && actorData.WeaponWeld.WeaponDefinition.CloseCombatModifier
> closestEnemy.WeaponWeld.WeaponDefinition.CloseCombatModifier;
if (Vector2IntUtilities.IsOneOrTwoSteps(toEnemy) && !isInGoodPosition) // && actorData.AiTraits.Contains(AiTrait.Careful)))
{
float chanceToStepBack = 0f;
float healthFactor = (1 - actorData.HealthProgress) * .15f;
float swordsFactor = (closestEnemy.Swords - actorData.Swords) * .15f;
chanceToStepBack = healthFactor + swordsFactor;
if (_rng.Check(chanceToStepBack))
{
Vector2Int directionFromEnemy = Vector2IntUtilities.Normalized(toEnemy) * -1;
IEnumerable <Vector2Int> positionsToStepBack = Vector2IntUtilities.GetCone(directionFromEnemy)
.Select(coneVector => actorData.LogicalPosition + coneVector - directionFromEnemy)
.Where(position => position != actorData.LogicalPosition);
foreach (var conePosition in positionsToStepBack)
{
if (!_gridInfoProvider.IsWalkable(conePosition) ||
_entityDetector.DetectEntities(conePosition).Any())
{
continue;
}
Vector2Int stepBackMoveVector = conePosition - actorData.LogicalPosition;
return(_actionFactory.CreateMoveAction(actorData, stepBackMoveVector));
}
}
}
bool isDaringBlow = false;
if (actorData.Traits.Contains(Trait.DaringBlow) && actorData.Swords >= 2)
{
float daringBlowChance = actorData.AiTraits.Contains(AiTrait.Aggressive) ? .5f : .2f;
if (actorData.ActorType == ActorType.Basher)
{
daringBlowChance += .2f;
}
if (_rng.Check(daringBlowChance))
{
isDaringBlow = true;
}
}
actionToPerform = _actionFactory.CreateAttackAction(actorData, closestEnemy, isDaringBlow);
}
if (DateTime.UtcNow < closestEnemy.BlockedUntil)
{
actorData.StoredAction = actionToPerform;
actorData.BlockedUntil = closestEnemy.BlockedUntil;
return(null);
}
return(actionToPerform);
}
int moveX = toEnemy.x.CompareTo(0);
int moveY = toEnemy.y.CompareTo(0);
Vector2Int moveVector = new Vector2Int(moveX, moveY);
Func <Vector2Int, bool> isWalkableAndFree = position =>
_gridInfoProvider.IsWalkable(position) &&
!_entityDetector.DetectActors(position).Any();
if (!isWalkableAndFree(actorData.LogicalPosition + moveVector))
{
Vector2Int?finalMoveVector = null;
Vector2Int alternativeMoveVector1;
Vector2Int alternativeMoveVector2;
// trying to find best alternative vectors to move
if (moveVector.x == 0)
{
alternativeMoveVector1 = new Vector2Int(+1, moveVector.y);
alternativeMoveVector2 = new Vector2Int(-1, moveVector.y);
}
else if (moveVector.y == 0)
{
alternativeMoveVector1 = new Vector2Int(moveVector.x, -1);
alternativeMoveVector2 = new Vector2Int(moveVector.x, +1);
}
else
{
alternativeMoveVector1 = new Vector2Int(moveVector.x, 0);
alternativeMoveVector2 = new Vector2Int(0, moveVector.y);
}
if (isWalkableAndFree(actorData.LogicalPosition + alternativeMoveVector1))
{
finalMoveVector = alternativeMoveVector1;
}
else if (isWalkableAndFree(actorData.LogicalPosition + alternativeMoveVector2))
{
finalMoveVector = alternativeMoveVector2;
}
if (finalMoveVector.HasValue)
{
return(_actionFactory.CreateMoveAction(actorData, finalMoveVector.Value));
}
return(_actionFactory.CreatePassAction(actorData));
}
return(_actionFactory.CreateMoveAction(actorData, moveVector));
}
else if (actorData.Team == Team.Beasts)
{
ActorData playerClose = _entityDetector.DetectActors(actorData.LogicalPosition, actorData.VisionRayLength).FirstOrDefault(
f => f != actorData && f.ActorType == ActorType.Player);
if (playerClose != null)
{
Vector2Int toFriend = playerClose.LogicalPosition - actorData.LogicalPosition;
Vector2Int directionToFriend = Vector2IntUtilities.Normalized(toFriend);
Vector2Int legalMove = new Vector2Int();
IEnumerable <Vector2Int> candidateMovesToFriend = Vector2IntUtilities.GetCone(directionToFriend)
.Select(coneVector => coneVector - directionToFriend)
.Where(fixedConeVector => fixedConeVector != actorData.LogicalPosition);
IList <Vector2Int> candidateMovesShuffled = _rng.Shuffle(candidateMovesToFriend);
foreach (var cand in candidateMovesShuffled)
{
if (!_entityDetector.DetectActors(actorData.LogicalPosition + cand).Any() &&
_gridInfoProvider.IsWalkable(actorData.LogicalPosition + cand))
{
legalMove = cand;
break;
}
}
Vector2Int moveVector = legalMove;
if (!_entityDetector.DetectActors(actorData.LogicalPosition + moveVector).Any())
{
return(_actionFactory.CreateMoveAction(actorData, moveVector));
}
}
return(_actionFactory.CreatePassAction(actorData));
}
if (Vector2IntUtilities.WalkDistance(actorData.LogicalPosition, _gameContext.PlayerActor.ActorData.LogicalPosition) < 15 &&
_gameContext.PlayerActor.ActorData.Health > 0 && actorData.ActorType != ActorType.Basher)
{
Vector2Int?farReachablePoint = GetFarReachablePoint(actorData);
if (farReachablePoint.HasValue)
{
Vector2Int moveVector = Vector2IntUtilities.Normalized(farReachablePoint.Value - actorData.LogicalPosition);
return(_actionFactory.CreateMoveAction(actorData, moveVector));
}
}
return(_actionFactory.CreatePassAction(actorData));
}