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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TRINITYCORE_AREATRIGGER_H
#define TRINITYCORE_AREATRIGGER_H
#include "Object.h"
#include "GridObject.h"
#include "MapObject.h"
#include "AreaTriggerTemplate.h"
class AuraEffect;
class AreaTriggerAI;
class SpellInfo;
class Unit;
namespace G3D
{
class Vector2;
class Vector3;
}
namespace Movement
{
template<typename length_type>
class Spline;
}
enum class AreaTriggerFieldFlags : uint32
{
None = 0x0000,
HeightIgnoresScale = 0x0001,
WowLabsCircle = 0x0002,
CanLoop = 0x0004,
AbsoluteOrientation = 0x0008,
DynamicShape = 0x0010,
Attached = 0x0020,
FaceMovementDir = 0x0040,
FollowsTerrain = 0x0080,
Unknown1025 = 0x0100,
AlwaysExterior = 0x0200,
HasPlayers = 0x0400,
};
DEFINE_ENUM_FLAG(AreaTriggerFieldFlags);
enum class AreaTriggerPathType : int32
{
Spline = 0,
Orbit = 1,
None = 2,
MovementScript = 3
};
enum class AreaTriggerExitReason : uint8
{
NotInside = 0, // Unit leave areatrigger
ByExpire = 1 // On areatrigger despawn
};
class TC_GAME_API AreaTrigger final : public WorldObject, public GridObject<AreaTrigger>, public MapObject
{
public:
AreaTrigger();
~AreaTrigger();
protected:
void BuildValuesCreate(ByteBuffer* data, UF::UpdateFieldFlag flags, Player const* target) const override;
void BuildValuesUpdate(ByteBuffer* data, UF::UpdateFieldFlag flags, Player const* target) const override;
void ClearUpdateMask(bool remove) override;
public:
void BuildValuesUpdateForPlayerWithMask(UpdateData* data, UF::ObjectData::Mask const& requestedObjectMask,
UF::AreaTriggerData::Mask const& requestedAreaTriggerMask, Player const* target) const;
struct ValuesUpdateForPlayerWithMaskSender // sender compatible with MessageDistDeliverer
{
explicit ValuesUpdateForPlayerWithMaskSender(AreaTrigger const* owner) : Owner(owner) { }
AreaTrigger const* Owner;
UF::ObjectData::Base ObjectMask;
UF::AreaTriggerData::Base AreaTriggerMask;
void operator()(Player const* player) const;
};
void AddToWorld() override;
void RemoveFromWorld() override;
void AI_Initialize();
void AI_Destroy();
AreaTriggerAI* AI() { return _ai.get(); }
bool IsCustom() const { return _areaTriggerTemplate->Id.IsCustom; }
bool IsServerSide() const { return _areaTriggerTemplate->Flags.HasFlag(AreaTriggerFlag::IsServerSide); }
bool IsStaticSpawn() const { return _spawnId != 0; }
bool HasActionSetFlag(AreaTriggerActionSetFlag flag) const { return _areaTriggerTemplate->ActionSetFlags.HasFlag(flag); }
bool IsNeverVisibleFor(WorldObject const* seer, bool allowServersideObjects = false) const override;
Position const& GetStationaryPosition() const override { return _stationaryPosition; }
void RelocateStationaryPosition(Position const& pos) { _stationaryPosition.Relocate(pos); }
void PlaySpellVisual(uint32 spellVisualId) const;
private:
bool Create(AreaTriggerCreatePropertiesId areaTriggerCreatePropertiesId, Map* map, Position const& pos, int32 duration, AreaTriggerSpawn const* spawnData = nullptr, Unit* caster = nullptr, Unit* target = nullptr, SpellCastVisual spellVisual = { 0, 0 }, SpellInfo const* spellInfo = nullptr, Spell* spell = nullptr, AuraEffect const* aurEff = nullptr);
public:
static AreaTrigger* CreateAreaTrigger(AreaTriggerCreatePropertiesId areaTriggerCreatePropertiesId, Position const& pos, int32 duration, Unit* caster, Unit* target, SpellCastVisual spellVisual = { 0, 0 }, SpellInfo const* spellInfo = nullptr, Spell* spell = nullptr, AuraEffect const* aurEff = nullptr);
static ObjectGuid CreateNewMovementForceId(Map* map, uint32 areaTriggerId);
bool LoadFromDB(ObjectGuid::LowType spawnId, Map* map, bool addToMap, bool allowDuplicate);
void Update(uint32 diff) override;
void Remove();
bool IsRemoved() const { return _isRemoved; }
uint32 GetSpellId() const { return m_areaTriggerData->SpellID; }
AuraEffect const* GetAuraEffect() const { return _aurEff; }
uint32 GetTimeSinceCreated() const;
EnumFlag<AreaTriggerFieldFlags> GetAreaTriggerFlags() const { return static_cast<AreaTriggerFieldFlags>(*m_areaTriggerData->Flags); }
bool HasAreaTriggerFlag(AreaTriggerFieldFlags flag) const { return GetAreaTriggerFlags().HasFlag(flag); }
void SetAreaTriggerFlag(AreaTriggerFieldFlags flag) { SetUpdateFieldFlagValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::Flags), uint32(flag)); }
void RemoveAreaTriggerFlag(AreaTriggerFieldFlags flag) { RemoveUpdateFieldFlagValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::Flags), uint32(flag)); }
void ReplaceAllAreaTriggerFlags(AreaTriggerFieldFlags flag) { SetUpdateFieldValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::Flags), uint32(flag)); }
float CalcCurrentScale() const;
void SetOverrideScaleCurve(float overrideScale);
void SetOverrideScaleCurve(std::array<DBCPosition2D, 2> const& points, Optional<uint32> startTimeOffset = {}, CurveInterpolationMode interpolation = CurveInterpolationMode::Linear);
void ClearOverrideScaleCurve();
void SetExtraScaleCurve(float extraScale);
void SetExtraScaleCurve(std::array<DBCPosition2D, 2> const& points, Optional<uint32> startTimeOffset = {}, CurveInterpolationMode interpolation = CurveInterpolationMode::Linear);
void ClearExtraScaleCurve();
void SetOverrideMoveCurve(float x, float y, float z);
void SetOverrideMoveCurve(std::array<DBCPosition2D, 2> const& xCurvePoints, std::array<DBCPosition2D, 2> const& yCurvePoints, std::array<DBCPosition2D, 2> const& zCurvePoints,
Optional<uint32> startTimeOffset = {}, CurveInterpolationMode interpolation = CurveInterpolationMode::Linear);
void ClearOverrideMoveCurve();
uint32 GetTimeToTarget() const { return m_areaTriggerData->TimeToTarget; }
void SetTimeToTarget(uint32 timeToTarget) { SetUpdateFieldValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::TimeToTarget), timeToTarget); }
uint32 GetTimeToTargetScale() const { return m_areaTriggerData->TimeToTargetScale; }
void SetTimeToTargetScale(uint32 timeToTargetScale) { SetUpdateFieldValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::TimeToTargetScale), timeToTargetScale); }
uint32 GetTimeToTargetExtraScale() const { return m_areaTriggerData->TimeToTargetExtraScale; }
void SetTimeToTargetExtraScale(uint32 timeToTargetExtraScale) { SetUpdateFieldValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::TimeToTargetExtraScale), timeToTargetExtraScale); }
uint32 GetTimeToTargetPos() const { return m_areaTriggerData->TimeToTargetPos; }
void SetTimeToTargetPos(uint32 timeToTargetPos) { SetUpdateFieldValue(m_values.ModifyValue(&AreaTrigger::m_areaTriggerData).ModifyValue(&UF::AreaTriggerData::TimeToTargetPos), timeToTargetPos); }
void SetSpellVisual(SpellCastVisual const& visual);
int32 GetDuration() const { return _duration; }
int32 GetTotalDuration() const { return _totalDuration; }
void SetDuration(int32 newDuration);
void Delay(int32 delaytime) { SetDuration(GetDuration() - delaytime); }
GuidUnorderedSet const& GetInsideUnits() const { return _insideUnits; }
AreaTriggerCreateProperties const* GetCreateProperties() const { return _areaTriggerCreateProperties; }
AreaTriggerTemplate const* GetTemplate() const { return _areaTriggerTemplate; }
uint32 GetScriptId() const;
ObjectGuid GetCreatorGUID() const override { return GetCasterGuid(); }
ObjectGuid GetOwnerGUID() const override { return GetCasterGuid(); }
ObjectGuid const& GetCasterGuid() const { return m_areaTriggerData->Caster; }
Unit* GetCaster() const;
Unit* GetTarget() const;
uint32 GetFaction() const override;
void SetShape(AreaTriggerShapeInfo const& shape);
float GetMaxSearchRadius() const;
void InitSplineOffsets(std::vector<Position> const& offsets, Optional<float> overrideSpeed = {}, Optional<bool> speedIsTimeInSeconds = {});
void InitSplines(std::vector<G3D::Vector3> const& splinePoints, Optional<float> overrideSpeed = {}, Optional<bool> speedIsTimeInSeconds = {});
bool HasSplines() const { return _spline != nullptr; }
::Movement::Spline<float> const& GetSpline() const { return *_spline; }
uint32 GetElapsedTimeForMovement() const;
void InitOrbit(AreaTriggerOrbitInfo const& orbit, Optional<float> overrideSpeed = {}, Optional<bool> speedIsTimeInSeconds = {});
bool HasOrbit() const { return m_areaTriggerData->PathData.Is<UF::AreaTriggerOrbit>(); }
UF::AreaTriggerOrbit const& GetOrbit() const { return *m_areaTriggerData->PathData.Get<UF::AreaTriggerOrbit>(); }
bool HasOverridePosition() const;
void UpdateShape();
void HandleUnitExit(Unit* unit);
UF::UpdateField<UF::AreaTriggerData, int32(WowCS::EntityFragment::CGObject), TYPEID_AREATRIGGER> m_areaTriggerData;
protected:
void _UpdateDuration(int32 newDuration);
float GetProgress() const;
struct ScaleCurveData
{
uint32 StartTimeOffset = 0;
CurveInterpolationMode Mode = CurveInterpolationMode::Linear;
using Points = std::array<DBCPosition2D, 2>;
std::variant<float, Points> Curve;
};
float GetScaleCurveProgress(UF::ScaleCurve const& scaleCurve, uint32 timeTo) const;
float GetScaleCurveValueAtProgress(UF::ScaleCurve const& scaleCurve, float x) const;
float GetScaleCurveValue(UF::ScaleCurve const& scaleCurve, uint32 timeTo) const;
void SetScaleCurve(UF::MutableFieldReference<UF::ScaleCurve, false> scaleCurveMutator, float constantValue);
void SetScaleCurve(UF::MutableFieldReference<UF::ScaleCurve, false> scaleCurveMutator, std::array<DBCPosition2D, 2> const& points, Optional<uint32> startTimeOffset, CurveInterpolationMode interpolation);
void ClearScaleCurve(UF::MutableFieldReference<UF::ScaleCurve, false> scaleCurveMutator);
void SetScaleCurve(UF::MutableFieldReference<UF::ScaleCurve, false> scaleCurveMutator, Optional<ScaleCurveData> const& curve);
void UpdateTargetList();
void SearchUnits(std::vector<Unit*>& targetList, float radius, bool check3D);
void SearchUnitInSphere(UF::AreaTriggerSphere const& sphere, std::vector<Unit*>& targetList);
void SearchUnitInBox(UF::AreaTriggerBox const& box, std::vector<Unit*>& targetList);
void SearchUnitInPolygon(UF::AreaTriggerPolygon const& polygon, std::vector<Unit*>& targetList);
void SearchUnitInCylinder(UF::AreaTriggerCylinder const& cylinder, std::vector<Unit*>& targetList);
void SearchUnitInDisk(UF::AreaTriggerDisk const& disk, std::vector<Unit*>& targetList);
void SearchUnitInBoundedPlane(UF::AreaTriggerBoundedPlane const& boundedPlane, std::vector<Unit*>& targetList);
void HandleUnitEnterExit(std::vector<Unit*> const& targetList, AreaTriggerExitReason exitMode = AreaTriggerExitReason::NotInside);
void HandleUnitEnter(Unit* unit);
void HandleUnitExitInternal(Unit* unit, AreaTriggerExitReason exitMode = AreaTriggerExitReason::NotInside);
void DoActions(Unit* unit);
void UndoActions(Unit* unit);
void UpdatePolygonVertices();
void UpdateOrbitPosition();
void UpdateSplinePosition(Movement::Spline<float>& spline);
void UpdateOverridePosition();
Position const* GetOrbitCenterPosition() const;
Position CalculateOrbitPosition() const;
void UpdateHasPlayersFlag();
void DebugVisualizePosition(); // Debug purpose only
ObjectGuid::LowType _spawnId;
ObjectGuid _targetGuid;
AuraEffect const* _aurEff;
Position _stationaryPosition;
int32 _duration;
int32 _totalDuration;
float _verticesUpdatePreviousOrientation;
bool _isRemoved;
std::vector<Position> _polygonVertices;
std::unique_ptr<::Movement::Spline<float>> _spline;
bool _reachedDestination;
int32 _lastSplineIndex;
AreaTriggerCreateProperties const* _areaTriggerCreateProperties;
AreaTriggerTemplate const* _areaTriggerTemplate;
GuidUnorderedSet _insideUnits;
std::unique_ptr<AreaTriggerAI> _ai;
};
#endif
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