mangos/src/game/Object/ObjectGuid.h
2020-01-07 22:35:20 +00:00

267 lines
11 KiB
C++

/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2020 MaNGOS <https://getmangos.eu>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#ifndef MANGOS_OBJECT_GUID_H
#define MANGOS_OBJECT_GUID_H
#include "Common.h"
#include "ByteBuffer.h"
enum TypeID
{
TYPEID_OBJECT = 0,
TYPEID_ITEM = 1,
TYPEID_CONTAINER = 2,
TYPEID_UNIT = 3,
TYPEID_PLAYER = 4,
TYPEID_GAMEOBJECT = 5,
TYPEID_DYNAMICOBJECT = 6,
TYPEID_CORPSE = 7
};
#define MAX_TYPE_ID 8
enum TypeMask
{
TYPEMASK_OBJECT = 0x0001,
TYPEMASK_ITEM = 0x0002,
TYPEMASK_CONTAINER = 0x0004,
TYPEMASK_UNIT = 0x0008, // players also have it
TYPEMASK_PLAYER = 0x0010,
TYPEMASK_GAMEOBJECT = 0x0020,
TYPEMASK_DYNAMICOBJECT = 0x0040,
TYPEMASK_CORPSE = 0x0080,
// used combinations in Player::GetObjectByTypeMask (TYPEMASK_UNIT case ignore players in call)
TYPEMASK_CREATURE_OR_GAMEOBJECT = TYPEMASK_UNIT | TYPEMASK_GAMEOBJECT,
TYPEMASK_CREATURE_GAMEOBJECT_OR_ITEM = TYPEMASK_UNIT | TYPEMASK_GAMEOBJECT | TYPEMASK_ITEM,
TYPEMASK_CREATURE_GAMEOBJECT_PLAYER_OR_ITEM = TYPEMASK_UNIT | TYPEMASK_GAMEOBJECT | TYPEMASK_ITEM | TYPEMASK_PLAYER,
TYPEMASK_WORLDOBJECT = TYPEMASK_UNIT | TYPEMASK_PLAYER | TYPEMASK_GAMEOBJECT | TYPEMASK_DYNAMICOBJECT | TYPEMASK_CORPSE,
};
enum HighGuid
{
HIGHGUID_ITEM = 0x4000, // blizz 4000
HIGHGUID_CONTAINER = 0x4000, // blizz 4000
HIGHGUID_PLAYER = 0x0000, // blizz 0000
HIGHGUID_GAMEOBJECT = 0xF110, // blizz F110
HIGHGUID_TRANSPORT = 0xF120, // blizz F120 (for GAMEOBJECT_TYPE_TRANSPORT)
HIGHGUID_UNIT = 0xF130, // blizz F130
HIGHGUID_PET = 0xF140, // blizz F140
HIGHGUID_DYNAMICOBJECT = 0xF100, // blizz F100
HIGHGUID_CORPSE = 0xF101, // blizz F100
HIGHGUID_MO_TRANSPORT = 0x1FC0, // blizz 1FC0 (for GAMEOBJECT_TYPE_MO_TRANSPORT)
};
class ObjectGuid;
class PackedGuid;
struct PackedGuidReader
{
explicit PackedGuidReader(ObjectGuid& guid) : m_guidPtr(&guid) {}
ObjectGuid* m_guidPtr;
};
class ObjectGuid
{
public: // constructors
ObjectGuid() : m_guid(0) {}
ObjectGuid(uint64 const& guid) : m_guid(guid) {} // temporary allowed implicit cast, really bad in connection with operator uint64()
ObjectGuid(HighGuid hi, uint32 entry, uint32 counter) : m_guid(counter ? uint64(counter) | (uint64(entry) << 24) | (uint64(hi) << 48) : 0) {}
ObjectGuid(HighGuid hi, uint32 counter) : m_guid(counter ? uint64(counter) | (uint64(hi) << 48) : 0) {}
operator uint64() const { return m_guid; }
private:
ObjectGuid(uint32 const&); // no implementation, used for catch wrong type assign
ObjectGuid(HighGuid, uint32, uint64 counter); // no implementation, used for catch wrong type assign
ObjectGuid(HighGuid, uint64 counter); // no implementation, used for catch wrong type assign
public: // modifiers
PackedGuidReader ReadAsPacked() { return PackedGuidReader(*this); }
void Set(uint64 const& guid) { m_guid = guid; }
void Clear() { m_guid = 0; }
PackedGuid WriteAsPacked() const;
public: // accessors
uint64 const& GetRawValue() const { return m_guid; }
HighGuid GetHigh() const { return HighGuid((m_guid >> 48) & 0x0000FFFF); }
uint32 GetEntry() const { return HasEntry() ? uint32((m_guid >> 24) & UI64LIT(0x0000000000FFFFFF)) : 0; }
uint32 GetCounter() const
{
return HasEntry()
? uint32(m_guid & UI64LIT(0x0000000000FFFFFF))
: uint32(m_guid & UI64LIT(0x00000000FFFFFFFF));
}
static uint32 GetMaxCounter(HighGuid high)
{
return HasEntry(high)
? uint32(0x00FFFFFF)
: uint32(0xFFFFFFFF);
}
uint32 GetMaxCounter() const { return GetMaxCounter(GetHigh()); }
bool IsEmpty() const { return m_guid == 0; }
bool IsCreature() const { return GetHigh() == HIGHGUID_UNIT; }
bool IsPet() const { return GetHigh() == HIGHGUID_PET; }
bool IsCreatureOrPet() const { return IsCreature() || IsPet(); }
bool IsAnyTypeCreature() const { return IsCreature() || IsPet(); } // wrapper to master branch
bool IsPlayer() const { return !IsEmpty() && GetHigh() == HIGHGUID_PLAYER; }
bool IsUnit() const { return IsAnyTypeCreature() || IsPlayer(); }
bool IsItem() const { return GetHigh() == HIGHGUID_ITEM; }
bool IsGameObject() const { return GetHigh() == HIGHGUID_GAMEOBJECT; }
bool IsDynamicObject() const { return GetHigh() == HIGHGUID_DYNAMICOBJECT; }
bool IsCorpse() const { return GetHigh() == HIGHGUID_CORPSE; }
bool IsTransport() const { return GetHigh() == HIGHGUID_TRANSPORT; }
bool IsMOTransport() const { return GetHigh() == HIGHGUID_MO_TRANSPORT; }
static TypeID GetTypeId(HighGuid high)
{
switch (high)
{
case HIGHGUID_ITEM: return TYPEID_ITEM;
// case HIGHGUID_CONTAINER: return TYPEID_CONTAINER; HIGHGUID_CONTAINER==HIGHGUID_ITEM currently
case HIGHGUID_UNIT: return TYPEID_UNIT;
case HIGHGUID_PET: return TYPEID_UNIT;
case HIGHGUID_PLAYER: return TYPEID_PLAYER;
case HIGHGUID_GAMEOBJECT: return TYPEID_GAMEOBJECT;
case HIGHGUID_DYNAMICOBJECT: return TYPEID_DYNAMICOBJECT;
case HIGHGUID_CORPSE: return TYPEID_CORPSE;
case HIGHGUID_MO_TRANSPORT: return TYPEID_GAMEOBJECT;
// unknown
default: return TYPEID_OBJECT;
}
}
TypeID GetTypeId() const { return GetTypeId(GetHigh()); }
bool operator!() const { return IsEmpty(); }
bool operator== (ObjectGuid const& guid) const { return GetRawValue() == guid.GetRawValue(); }
bool operator!= (ObjectGuid const& guid) const { return GetRawValue() != guid.GetRawValue(); }
bool operator< (ObjectGuid const& guid) const { return GetRawValue() < guid.GetRawValue(); }
public: // accessors - for debug
static char const* GetTypeName(HighGuid high);
char const* GetTypeName() const { return !IsEmpty() ? GetTypeName(GetHigh()) : "None"; }
std::string GetString() const;
private: // internal functions
static bool HasEntry(HighGuid high)
{
switch (high)
{
case HIGHGUID_ITEM:
case HIGHGUID_PLAYER:
case HIGHGUID_DYNAMICOBJECT:
case HIGHGUID_CORPSE:
case HIGHGUID_MO_TRANSPORT:
return false;
case HIGHGUID_GAMEOBJECT:
case HIGHGUID_TRANSPORT:
case HIGHGUID_UNIT:
case HIGHGUID_PET:
default:
return true;
}
}
bool HasEntry() const { return HasEntry(GetHigh()); }
private: // fields
uint64 m_guid;
};
// Some Shared defines
typedef std::set<ObjectGuid> GuidSet;
typedef std::list<ObjectGuid> GuidList;
typedef std::vector<ObjectGuid> GuidVector;
// minimum buffer size for packed guid is 9 bytes
#define PACKED_GUID_MIN_BUFFER_SIZE 9
class PackedGuid
{
friend ByteBuffer& operator<< (ByteBuffer& buf, PackedGuid const& guid);
public: // constructors
explicit PackedGuid() : m_packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { m_packedGuid.appendPackGUID(0); }
explicit PackedGuid(uint64 const& guid) : m_packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { m_packedGuid.appendPackGUID(guid); }
explicit PackedGuid(ObjectGuid const& guid) : m_packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { m_packedGuid.appendPackGUID(guid.GetRawValue()); }
public: // modifiers
void Set(uint64 const& guid) { m_packedGuid.wpos(0); m_packedGuid.appendPackGUID(guid); }
void Set(ObjectGuid const& guid) { m_packedGuid.wpos(0); m_packedGuid.appendPackGUID(guid.GetRawValue()); }
public: // accessors
size_t size() const { return m_packedGuid.size(); }
private: // fields
ByteBuffer m_packedGuid;
};
template<HighGuid high>
class ObjectGuidGenerator
{
public: // constructors
explicit ObjectGuidGenerator(uint32 start = 1) : m_nextGuid(start) {}
public: // modifiers
void Set(uint32 val) { m_nextGuid = val; }
uint32 Generate();
public: // accessors
uint32 GetNextAfterMaxUsed() const { return m_nextGuid; }
private: // fields
uint32 m_nextGuid;
};
ByteBuffer& operator<< (ByteBuffer& buf, ObjectGuid const& guid);
ByteBuffer& operator>> (ByteBuffer& buf, ObjectGuid& guid);
ByteBuffer& operator<< (ByteBuffer& buf, PackedGuid const& guid);
ByteBuffer& operator>> (ByteBuffer& buf, PackedGuidReader const& guid);
inline PackedGuid ObjectGuid::WriteAsPacked() const { return PackedGuid(*this); }
HASH_NAMESPACE_START
template<>
struct hash<ObjectGuid>
{
public:
size_t operator()(ObjectGuid const& key) const
{
return hash<uint64>()(key.GetRawValue());
}
};
HASH_NAMESPACE_END
#endif