void cAggressiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
if (m_EMState == CHASING)
{
CheckEventLostPlayer();
}
else
{
CheckEventSeePlayer();
}
if (m_Target == nullptr)
{
return;
}
cTracer LineOfSight(GetWorld());
Vector3d MyHeadPosition = GetPosition() + Vector3d(0, GetHeight(), 0);
Vector3d AttackDirection(m_Target->GetPosition() + Vector3d(0, m_Target->GetHeight(), 0) - MyHeadPosition);
if (TargetIsInRange() && !LineOfSight.Trace(MyHeadPosition, AttackDirection, static_cast<int>(AttackDirection.Length())) && (GetHealth() > 0.0))
{
// Attack if reached destination, target isn't null, and have a clear line of sight to target (so won't attack through walls)
StopMovingToPosition();
Attack(a_Dt);
}
}
bool cSkeleton::Attack(std::chrono::milliseconds a_Dt)
{
StopMovingToPosition(); // Todo handle this in a better way, the skeleton does some uneeded recalcs due to inStateChasing
cFastRandom Random;
if ((m_Target != nullptr) && (m_AttackCoolDownTicksLeft == 0))
{
Vector3d Inaccuracy = Vector3d(Random.NextFloat(0.5) - 0.25, Random.NextFloat(0.5) - 0.25, Random.NextFloat(0.5) - 0.25);
Vector3d Speed = (m_Target->GetPosition() + Inaccuracy - GetPosition()) * 5;
Speed.y = Speed.y - 1 + Random.NextInt(3);
cArrowEntity * Arrow = new cArrowEntity(this, GetPosX(), GetPosY() + 1, GetPosZ(), Speed);
if (Arrow == nullptr)
{
return false;
}
if (!Arrow->Initialize(*m_World))
{
delete Arrow;
Arrow = nullptr;
return false;
}
m_World->BroadcastSpawnEntity(*Arrow);
ResetAttackCooldown();
return true;
}
return false;
}
void cOcelot::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
if (!IsTicking())
{
// The base class tick destroyed us
return;
}
if (!IsTame() && !IsBaby())
{
if (m_CheckPlayerTickCount == 23)
{
m_World->DoWithNearestPlayer(GetPosition(), 10, [&](cPlayer & a_Player) -> bool
{
cItems Items;
GetBreedingItems(Items);
if (Items.ContainsType(a_Player.GetEquippedItem().m_ItemType))
{
if (!IsBegging())
{
SetIsBegging(true);
m_World->BroadcastEntityMetadata(*this);
}
MoveToPosition(a_Player.GetPosition());
}
else
{
if (IsBegging())
{
SetIsBegging(false);
m_World->BroadcastEntityMetadata(*this);
}
}
return true;
}, true);
m_CheckPlayerTickCount = 0;
}
else
{
m_CheckPlayerTickCount++;
}
}
if (IsTame() && !IsSitting())
{
TickFollowPlayer();
}
else if (IsSitting())
{
StopMovingToPosition();
}
m_World->BroadcastEntityMetadata(*this);
}
void cWolf::TickFollowPlayer()
{
Vector3d OwnerPos;
bool OwnerFlying;
auto Callback = [&](cPlayer & a_Player)
{
OwnerPos = a_Player.GetPosition();
OwnerFlying = a_Player.IsFlying();
return true;
};
if (m_World->DoWithPlayerByUUID(m_OwnerUUID, Callback))
{
// The player is present in the world, follow him:
double Distance = (OwnerPos - GetPosition()).Length();
if (Distance > 20)
{
if (!OwnerFlying)
{
OwnerPos.y = FindFirstNonAirBlockPosition(OwnerPos.x, OwnerPos.z);
TeleportToCoords(OwnerPos.x, OwnerPos.y, OwnerPos.z);
SetTarget(nullptr);
}
}
if (Distance < 2)
{
if (GetTarget() == nullptr)
{
StopMovingToPosition();
}
}
else
{
if (GetTarget() == nullptr)
{
if (!OwnerFlying)
{
MoveToPosition(OwnerPos);
}
}
}
}
}
bool cSkeleton::Attack(std::chrono::milliseconds a_Dt)
{
StopMovingToPosition(); // Todo handle this in a better way, the skeleton does some uneeded recalcs due to inStateChasing
auto & Random = GetRandomProvider();
if ((GetTarget() != nullptr) && (m_AttackCoolDownTicksLeft == 0))
{
Vector3d Inaccuracy = Vector3d(Random.RandReal<double>(-0.25, 0.25), Random.RandReal<double>(-0.25, 0.25), Random.RandReal<double>(-0.25, 0.25));
Vector3d Speed = (GetTarget()->GetPosition() + Inaccuracy - GetPosition()) * 5;
Speed.y += Random.RandInt(-1, 1);
auto Arrow = cpp14::make_unique<cArrowEntity>(this, GetPosX(), GetPosY() + 1, GetPosZ(), Speed);
auto ArrowPtr = Arrow.get();
if (!ArrowPtr->Initialize(std::move(Arrow), *m_World))
{
return false;
}
ResetAttackCooldown();
return true;
}
return false;
}
void cWolf::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
if (!IsAngry())
{
cMonster::Tick(a_Dt, a_Chunk);
if (m_NotificationCooldown > 0)
{
m_NotificationCooldown -= 1;
}
}
else
{
super::Tick(a_Dt, a_Chunk);
}
if (!IsTicking())
{
// The base class tick destroyed us
return;
}
if (GetTarget() == nullptr)
{
m_World->DoWithNearestPlayer(GetPosition(), static_cast<float>(m_SightDistance), [&](cPlayer & a_Player) -> bool
{
switch (a_Player.GetEquippedItem().m_ItemType)
{
case E_ITEM_BONE:
case E_ITEM_RAW_BEEF:
case E_ITEM_STEAK:
case E_ITEM_RAW_CHICKEN:
case E_ITEM_COOKED_CHICKEN:
case E_ITEM_ROTTEN_FLESH:
case E_ITEM_RAW_PORKCHOP:
case E_ITEM_COOKED_PORKCHOP:
{
if (!IsBegging())
{
SetIsBegging(true);
m_World->BroadcastEntityMetadata(*this);
}
m_FinalDestination = a_Player.GetPosition(); // So that we will look at a player holding food
// Don't move to the player if the wolf is sitting.
if (!IsSitting())
{
MoveToPosition(a_Player.GetPosition());
}
break;
}
default:
{
if (IsBegging())
{
SetIsBegging(false);
m_World->BroadcastEntityMetadata(*this);
}
}
}
return true;
});
}
else
{
if (IsSitting())
{
SetTarget(nullptr);
}
else
{
MoveToPosition(GetTarget()->GetPosition());
if (TargetIsInRange())
{
Attack(a_Dt);
}
}
}
if (IsTame() && !IsSitting())
{
TickFollowPlayer();
}
else if (IsSitting())
{
StopMovingToPosition();
}
}
void cWolf::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
if (!IsAngry())
{
cMonster::Tick(a_Dt, a_Chunk);
}
else
{
super::Tick(a_Dt, a_Chunk);
}
cPlayer * a_Closest_Player = m_World->FindClosestPlayer(GetPosition(), static_cast<float>(m_SightDistance));
if (a_Closest_Player != nullptr)
{
switch (a_Closest_Player->GetEquippedItem().m_ItemType)
{
case E_ITEM_BONE:
case E_ITEM_RAW_BEEF:
case E_ITEM_STEAK:
case E_ITEM_RAW_CHICKEN:
case E_ITEM_COOKED_CHICKEN:
case E_ITEM_ROTTEN_FLESH:
case E_ITEM_RAW_PORKCHOP:
case E_ITEM_COOKED_PORKCHOP:
{
if (!IsBegging())
{
SetIsBegging(true);
m_World->BroadcastEntityMetadata(*this);
}
m_FinalDestination = a_Closest_Player->GetPosition(); // So that we will look at a player holding food
// Don't move to the player if the wolf is sitting.
if (!IsSitting())
{
MoveToPosition(a_Closest_Player->GetPosition());
}
break;
}
default:
{
if (IsBegging())
{
SetIsBegging(false);
m_World->BroadcastEntityMetadata(*this);
}
}
}
}
if (IsTame() && !IsSitting())
{
TickFollowPlayer();
}
else if (IsSitting())
{
StopMovingToPosition();
}
}
void cMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
GET_AND_VERIFY_CURRENT_CHUNK(Chunk, POSX_TOINT, POSZ_TOINT);
if (m_Health <= 0)
{
// The mob is dead, but we're still animating the "puff" they leave when they die.
m_DestroyTimer += a_Dt;
if (m_DestroyTimer > std::chrono::seconds(1))
{
Destroy(true);
}
return;
}
if (m_TicksSinceLastDamaged < 100)
{
++m_TicksSinceLastDamaged;
}
if ((m_Target != nullptr) && m_Target->IsDestroyed())
{
m_Target = nullptr;
}
// Process the undead burning in daylight.
HandleDaylightBurning(*Chunk, WouldBurnAt(GetPosition(), *Chunk));
if (TickPathFinding(*Chunk))
{
/* If I burn in daylight, and I won't burn where I'm standing, and I'll burn in my next position, and at least one of those is true:
1. I am idle
2. I was not hurt by a player recently.
Then STOP. */
if (
m_BurnsInDaylight && ((m_TicksSinceLastDamaged >= 100) || (m_EMState == IDLE)) &&
WouldBurnAt(m_NextWayPointPosition, *Chunk) &&
!WouldBurnAt(GetPosition(), *Chunk)
)
{
// If we burn in daylight, and we would burn at the next step, and we won't burn where we are right now, and we weren't provoked recently:
StopMovingToPosition();
m_GiveUpCounter = 40; // This doesn't count as giving up, keep the giveup timer as is.
}
else
{
MoveToWayPoint(*Chunk);
}
}
SetPitchAndYawFromDestination();
HandleFalling();
switch (m_EMState)
{
case IDLE:
{
// If enemy passive we ignore checks for player visibility.
InStateIdle(a_Dt);
break;
}
case CHASING:
{
// If we do not see a player anymore skip chasing action.
InStateChasing(a_Dt);
break;
}
case ESCAPING:
{
InStateEscaping(a_Dt);
break;
}
case ATTACKING: break;
} // switch (m_EMState)
BroadcastMovementUpdate();
}
bool cMonster::TickPathFinding(cChunk & a_Chunk)
{
if (!m_IsFollowingPath)
{
return false;
}
if (m_TicksSinceLastPathReset < 1000)
{
// No need to count beyond 1000. 1000 is arbitary here.
++m_TicksSinceLastPathReset;
}
if (ReachedFinalDestination())
{
StopMovingToPosition();
return false;
}
if ((m_FinalDestination - m_PathFinderDestination).Length() > 0.25) // if the distance between where we're going and where we should go is too big.
{
/* If we reached the last path waypoint,
Or if we haven't re-calculated for too long.
Interval is proportional to distance squared, and its minimum is 10.
(Recalculate lots when close, calculate rarely when far) */
if (
((GetPosition() - m_PathFinderDestination).Length() < 0.25) ||
((m_TicksSinceLastPathReset > 10) && (m_TicksSinceLastPathReset > (0.4 * (m_FinalDestination - GetPosition()).SqrLength())))
)
{
/* Re-calculating is expensive when there's no path to target, and it results in mobs freezing very often as a result of always recalculating.
This is a workaround till we get better path recalculation. */
if (!m_NoPathToTarget)
{
ResetPathFinding();
}
}
}
if (m_Path == nullptr)
{
if (!EnsureProperDestination(a_Chunk))
{
StopMovingToPosition(); // Invalid chunks, probably world is loading or something, cancel movement.
return false;
}
m_NoPathToTarget = false;
m_NoMoreWayPoints = false;
m_PathFinderDestination = m_FinalDestination;
m_Path = new cPath(a_Chunk, GetPosition(), m_PathFinderDestination, 20, GetWidth(), GetHeight());
}
switch (m_Path->Step(a_Chunk))
{
case ePathFinderStatus::NEARBY_FOUND:
{
m_NoPathToTarget = true;
m_PathFinderDestination = m_Path->AcceptNearbyPath();
break;
}
case ePathFinderStatus::PATH_NOT_FOUND:
{
StopMovingToPosition(); // Try to calculate a path again.
// Note that the next time may succeed, e.g. if a player breaks a barrier.
break;
}
case ePathFinderStatus::CALCULATING:
{
// Pathfinder needs more time
break;
}
case ePathFinderStatus::PATH_FOUND:
{
if (m_NoMoreWayPoints || (--m_GiveUpCounter == 0))
{
if (m_EMState == ATTACKING)
{
ResetPathFinding(); // Try to calculate a path again.
// This results in mobs hanging around an unreachable target (player).
}
else
{
StopMovingToPosition(); // Find a different place to go to.
}
return false;
}
else if (!m_Path->IsLastPoint()) // Have we arrived at the next cell, as denoted by m_NextWayPointPosition?
{
if ((m_Path->IsFirstPoint() || ReachedNextWaypoint()))
{
m_NextWayPointPosition = m_Path->GetNextPoint();
m_GiveUpCounter = 40; // Give up after 40 ticks (2 seconds) if failed to reach m_NextWayPointPosition.
}
}
else
{
m_NoMoreWayPoints = true;
}
return true;
}
}
return false;
}
void cMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
if (!IsTicking())
{
// The base class tick destroyed us
return;
}
GET_AND_VERIFY_CURRENT_CHUNK(Chunk, POSX_TOINT, POSZ_TOINT);
ASSERT((GetTarget() == nullptr) || (GetTarget()->IsPawn() && (GetTarget()->GetWorld() == GetWorld())));
if (m_AttackCoolDownTicksLeft > 0)
{
m_AttackCoolDownTicksLeft -= 1;
}
if (m_Health <= 0)
{
// The mob is dead, but we're still animating the "puff" they leave when they die
m_DestroyTimer += a_Dt;
if (m_DestroyTimer > std::chrono::seconds(1))
{
Destroy(true);
}
return;
}
if (m_TicksSinceLastDamaged < 100)
{
++m_TicksSinceLastDamaged;
}
if ((GetTarget() != nullptr))
{
ASSERT(GetTarget()->IsTicking());
if (GetTarget()->IsPlayer())
{
if (static_cast<cPlayer *>(GetTarget())->IsGameModeCreative())
{
SetTarget(nullptr);
m_EMState = IDLE;
}
}
}
// Process the undead burning in daylight.
HandleDaylightBurning(*Chunk, WouldBurnAt(GetPosition(), *Chunk));
bool a_IsFollowingPath = false;
if (m_PathfinderActivated)
{
if (ReachedFinalDestination())
{
StopMovingToPosition(); // Simply sets m_PathfinderActivated to false.
}
else
{
// Note that m_NextWayPointPosition is actually returned by GetNextWayPoint)
switch (m_PathFinder.GetNextWayPoint(*Chunk, GetPosition(), &m_FinalDestination, &m_NextWayPointPosition, m_EMState == IDLE ? true : false))
{
case ePathFinderStatus::PATH_FOUND:
{
/* If I burn in daylight, and I won't burn where I'm standing, and I'll burn in my next position, and at least one of those is true:
1. I am idle
2. I was not hurt by a player recently.
Then STOP. */
if (
m_BurnsInDaylight && ((m_TicksSinceLastDamaged >= 100) || (m_EMState == IDLE)) &&
WouldBurnAt(m_NextWayPointPosition, *Chunk) &&
!WouldBurnAt(GetPosition(), *Chunk)
)
{
// If we burn in daylight, and we would burn at the next step, and we won't burn where we are right now, and we weren't provoked recently:
StopMovingToPosition();
}
else
{
a_IsFollowingPath = true; // Used for proper body / head orientation only.
MoveToWayPoint(*Chunk);
}
break;
}
case ePathFinderStatus::PATH_NOT_FOUND:
{
StopMovingToPosition();
break;
}
default:
{
}
}
}
}
SetPitchAndYawFromDestination(a_IsFollowingPath);
switch (m_EMState)
{
case IDLE:
{
// If enemy passive we ignore checks for player visibility.
InStateIdle(a_Dt, a_Chunk);
break;
}
case CHASING:
{
// If we do not see a player anymore skip chasing action.
InStateChasing(a_Dt, a_Chunk);
break;
}
case ESCAPING:
{
InStateEscaping(a_Dt, a_Chunk);
break;
}
case ATTACKING: break;
} // switch (m_EMState)
BroadcastMovementUpdate();
if (m_AgingTimer > 0)
{
m_AgingTimer--;
if ((m_AgingTimer <= 0) && IsBaby())
{
SetAge(1);
m_World->BroadcastEntityMetadata(*this);
}
}
}