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/*
* Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
*
* 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 PhaseShift_h__
#define PhaseShift_h__
#include "Define.h"
#include "EnumClassFlag.h"
#include "ObjectGuid.h"
#include <boost/container/flat_set.hpp>
#include <map>
class PhasingHandler;
struct Condition;
struct TerrainSwapInfo;
#define DEFAULT_PHASE 169
enum class PhaseShiftFlags : uint32
{
None = 0x00,
AlwaysVisible = 0x01, // Ignores all phasing, can see everything and be seen by everything
Inverse = 0x02, // By default having at least one shared phase for two objects means they can see each other
// this flag makes objects see each other if they have at least one non-shared phase
InverseUnphased = 0x04,
Unphased = 0x08,
NoCosmetic = 0x10 // This flag ignores shared cosmetic phases (two players that both have shared cosmetic phase but no other phase cannot see each other)
};
enum class PhaseFlags : uint16
{
None = 0x0,
Cosmetic = 0x1,
Personal = 0x2
};
class TC_GAME_API PhaseShift
{
public:
struct PhaseRef
{
PhaseRef(uint32 id, PhaseFlags flags, std::vector<Condition*> const* conditions)
: Id(id), Flags(flags), References(0), AreaConditions(conditions) { }
uint16 Id;
EnumClassFlag<PhaseFlags> Flags;
int32 References;
std::vector<Condition*> const* AreaConditions;
bool operator<(PhaseRef const& right) const { return Id < right.Id; }
bool operator==(PhaseRef const& right) const { return Id == right.Id; }
};
struct VisibleMapIdRef
{
int32 References = 0;
TerrainSwapInfo const* VisibleMapInfo = nullptr;
};
struct UiMapPhaseIdRef
{
int32 References = 0;
};
template<typename Container>
struct EraseResult
{
typename Container::iterator Iterator;
bool Erased;
};
typedef boost::container::flat_set<PhaseRef> PhaseContainer;
typedef std::map<uint32, VisibleMapIdRef> VisibleMapIdContainer;
typedef std::map<uint32, UiMapPhaseIdRef> UiMapPhaseIdContainer;
PhaseShift() : Flags(PhaseShiftFlags::Unphased), NonCosmeticReferences(0), CosmeticReferences(0), DefaultReferences(0), IsDbPhaseShift(false) { }
bool AddPhase(uint32 phaseId, PhaseFlags flags, std::vector<Condition*> const* areaConditions, int32 references = 1);
EraseResult<PhaseContainer> RemovePhase(uint32 phaseId);
bool HasPhase(uint32 phaseId) const { return Phases.find(PhaseRef(phaseId, PhaseFlags::None, nullptr)) != Phases.end(); }
PhaseContainer const& GetPhases() const { return Phases; }
bool AddVisibleMapId(uint32 visibleMapId, TerrainSwapInfo const* visibleMapInfo, int32 references = 1);
EraseResult<VisibleMapIdContainer> RemoveVisibleMapId(uint32 visibleMapId);
bool HasVisibleMapId(uint32 visibleMapId) const { return VisibleMapIds.find(visibleMapId) != VisibleMapIds.end(); }
VisibleMapIdContainer const& GetVisibleMapIds() const { return VisibleMapIds; }
bool AddUiMapPhaseId(uint32 uiMapPhaseId, int32 references = 1);
EraseResult<UiMapPhaseIdContainer> RemoveUiMapPhaseId(uint32 uiMapPhaseId);
bool HasUiMapPhaseId(uint32 uiMapPhaseId) const { return UiMapPhaseIds.find(uiMapPhaseId) != UiMapPhaseIds.end(); }
UiMapPhaseIdContainer const& GetUiWorldMapAreaIdSwaps() const { return UiMapPhaseIds; }
void Clear();
void ClearPhases();
bool CanSee(PhaseShift const& other) const;
protected:
friend class PhasingHandler;
EnumClassFlag<PhaseShiftFlags> Flags;
ObjectGuid PersonalGuid;
PhaseContainer Phases;
VisibleMapIdContainer VisibleMapIds;
UiMapPhaseIdContainer UiMapPhaseIds;
void ModifyPhasesReferences(PhaseContainer::iterator itr, int32 references);
void UpdateUnphasedFlag();
int32 NonCosmeticReferences;
int32 CosmeticReferences;
int32 DefaultReferences;
bool IsDbPhaseShift;
};
#endif // PhaseShift_h__
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