mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
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334 lines
13 KiB
C++
334 lines
13 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as published by the
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* Free Software Foundation; either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ObjectGuid_h__
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#define ObjectGuid_h__
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#include "ByteBuffer.h"
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#include "Define.h"
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#include <deque>
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#include <functional>
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#include <list>
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#include <memory>
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#include <set>
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#include <type_traits>
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#include <vector>
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#include <unordered_set>
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enum TypeID
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{
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TYPEID_OBJECT = 0,
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TYPEID_ITEM = 1,
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TYPEID_CONTAINER = 2,
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TYPEID_UNIT = 3,
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TYPEID_PLAYER = 4,
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TYPEID_GAMEOBJECT = 5,
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TYPEID_DYNAMICOBJECT = 6,
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TYPEID_CORPSE = 7
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};
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#define NUM_CLIENT_OBJECT_TYPES 8
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enum TypeMask
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{
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TYPEMASK_OBJECT = 0x0001,
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TYPEMASK_ITEM = 0x0002,
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TYPEMASK_CONTAINER = 0x0006, // TYPEMASK_ITEM | 0x0004
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TYPEMASK_UNIT = 0x0008, // creature
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TYPEMASK_PLAYER = 0x0010,
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TYPEMASK_GAMEOBJECT = 0x0020,
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TYPEMASK_DYNAMICOBJECT = 0x0040,
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TYPEMASK_CORPSE = 0x0080,
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TYPEMASK_SEER = TYPEMASK_PLAYER | TYPEMASK_UNIT | TYPEMASK_DYNAMICOBJECT
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};
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enum class HighGuid
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{
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Item = 0x4000, // blizz 4000
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Container = 0x4000, // blizz 4000
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Player = 0x0000, // blizz 0000
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GameObject = 0xF110, // blizz F110
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Transport = 0xF120, // blizz F120 (for GAMEOBJECT_TYPE_TRANSPORT)
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Unit = 0xF130, // blizz F130
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Pet = 0xF140, // blizz F140
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Vehicle = 0xF150, // blizz F550
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DynamicObject = 0xF100, // blizz F100
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Corpse = 0xF101, // blizz F100
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Mo_Transport = 0x1FC0, // blizz 1FC0 (for GAMEOBJECT_TYPE_MO_TRANSPORT)
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Instance = 0x1F40, // blizz 1F40
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Group = 0x1F50,
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};
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template<HighGuid high>
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struct ObjectGuidTraits
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{
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static bool const Global = false;
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static bool const MapSpecific = false;
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};
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#define GUID_TRAIT_GLOBAL(highguid) \
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template<> struct ObjectGuidTraits<highguid> \
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{ \
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static bool const Global = true; \
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static bool const MapSpecific = false; \
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};
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#define GUID_TRAIT_MAP_SPECIFIC(highguid) \
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template<> struct ObjectGuidTraits<highguid> \
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{ \
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static bool const Global = false; \
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static bool const MapSpecific = true; \
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};
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GUID_TRAIT_GLOBAL(HighGuid::Player)
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GUID_TRAIT_GLOBAL(HighGuid::Item)
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GUID_TRAIT_GLOBAL(HighGuid::Mo_Transport)
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GUID_TRAIT_GLOBAL(HighGuid::Group)
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GUID_TRAIT_GLOBAL(HighGuid::Instance)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::Transport)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::Unit)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::Vehicle)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::Pet)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::GameObject)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::DynamicObject)
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GUID_TRAIT_MAP_SPECIFIC(HighGuid::Corpse)
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class ObjectGuid;
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class PackedGuid;
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struct PackedGuidReader
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{
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explicit PackedGuidReader(ObjectGuid& guid) : Guid(guid) { }
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ObjectGuid& Guid;
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};
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class ObjectGuid
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{
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public:
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static ObjectGuid const Empty;
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typedef uint32 LowType;
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template<HighGuid type>
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static typename std::enable_if<ObjectGuidTraits<type>::Global, ObjectGuid>::type Create(LowType counter) { return Global(type, counter); }
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template<HighGuid type>
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static typename std::enable_if<ObjectGuidTraits<type>::MapSpecific, ObjectGuid>::type Create(uint32 entry, LowType counter) { return MapSpecific(type, entry, counter); }
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ObjectGuid() : _guid(0) { }
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explicit ObjectGuid(uint64 guid) : _guid(guid) { }
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ObjectGuid(HighGuid hi, uint32 entry, LowType counter) : _guid(counter ? uint64(counter) | (uint64(entry) << 24) | (uint64(hi) << 48) : 0) { }
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ObjectGuid(HighGuid hi, LowType counter) : _guid(counter ? uint64(counter) | (uint64(hi) << 48) : 0) { }
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PackedGuidReader ReadAsPacked() { return PackedGuidReader(*this); }
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void Set(uint64 guid) { _guid = guid; }
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void Clear() { _guid = 0; }
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PackedGuid WriteAsPacked() const;
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uint64 GetRawValue() const { return _guid; }
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HighGuid GetHigh() const { return HighGuid((_guid >> 48) & 0x0000FFFF); }
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uint32 GetEntry() const { return HasEntry() ? uint32((_guid >> 24) & UI64LIT(0x0000000000FFFFFF)) : 0; }
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LowType GetCounter() const
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{
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return HasEntry()
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? LowType(_guid & UI64LIT(0x0000000000FFFFFF))
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: LowType(_guid & UI64LIT(0x00000000FFFFFFFF));
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}
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static LowType GetMaxCounter(HighGuid high)
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{
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return HasEntry(high)
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? LowType(0x00FFFFFF)
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: LowType(0xFFFFFFFF);
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}
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ObjectGuid::LowType GetMaxCounter() const { return GetMaxCounter(GetHigh()); }
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bool IsEmpty() const { return _guid == 0; }
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bool IsCreature() const { return GetHigh() == HighGuid::Unit; }
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bool IsPet() const { return GetHigh() == HighGuid::Pet; }
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bool IsVehicle() const { return GetHigh() == HighGuid::Vehicle; }
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bool IsCreatureOrPet() const { return IsCreature() || IsPet(); }
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bool IsCreatureOrVehicle() const { return IsCreature() || IsVehicle(); }
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bool IsAnyTypeCreature() const { return IsCreature() || IsPet() || IsVehicle(); }
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bool IsPlayer() const { return !IsEmpty() && GetHigh() == HighGuid::Player; }
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bool IsUnit() const { return IsAnyTypeCreature() || IsPlayer(); }
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bool IsItem() const { return GetHigh() == HighGuid::Item; }
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bool IsGameObject() const { return GetHigh() == HighGuid::GameObject; }
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bool IsDynamicObject() const { return GetHigh() == HighGuid::DynamicObject; }
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bool IsCorpse() const { return GetHigh() == HighGuid::Corpse; }
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bool IsTransport() const { return GetHigh() == HighGuid::Transport; }
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bool IsMOTransport() const { return GetHigh() == HighGuid::Mo_Transport; }
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bool IsAnyTypeGameObject() const { return IsGameObject() || IsTransport() || IsMOTransport(); }
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bool IsInstance() const { return GetHigh() == HighGuid::Instance; }
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bool IsGroup() const { return GetHigh() == HighGuid::Group; }
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static TypeID GetTypeId(HighGuid high)
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{
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switch (high)
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{
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case HighGuid::Item: return TYPEID_ITEM;
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//case HighGuid::Container: return TYPEID_CONTAINER; HighGuid::Container == HighGuid::Item currently
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case HighGuid::Unit: return TYPEID_UNIT;
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case HighGuid::Pet: return TYPEID_UNIT;
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case HighGuid::Player: return TYPEID_PLAYER;
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case HighGuid::GameObject: return TYPEID_GAMEOBJECT;
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case HighGuid::DynamicObject: return TYPEID_DYNAMICOBJECT;
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case HighGuid::Corpse: return TYPEID_CORPSE;
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case HighGuid::Mo_Transport: return TYPEID_GAMEOBJECT;
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case HighGuid::Vehicle: return TYPEID_UNIT;
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// unknown
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case HighGuid::Instance:
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case HighGuid::Group:
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default: return TYPEID_OBJECT;
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}
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}
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TypeID GetTypeId() const { return GetTypeId(GetHigh()); }
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operator bool() const { return !IsEmpty(); }
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bool operator!() const { return !(bool(*this)); }
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bool operator==(ObjectGuid const& guid) const { return GetRawValue() == guid.GetRawValue(); }
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bool operator!=(ObjectGuid const& guid) const { return GetRawValue() != guid.GetRawValue(); }
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bool operator< (ObjectGuid const& guid) const { return GetRawValue() < guid.GetRawValue(); }
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bool operator<= (ObjectGuid const& guid) const { return GetRawValue() <= guid.GetRawValue(); }
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static char const* GetTypeName(HighGuid high);
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char const* GetTypeName() const { return !IsEmpty() ? GetTypeName(GetHigh()) : "None"; }
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std::string ToString() const;
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private:
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static bool HasEntry(HighGuid high)
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{
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switch (high)
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{
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case HighGuid::Item:
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case HighGuid::Player:
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case HighGuid::DynamicObject:
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case HighGuid::Corpse:
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case HighGuid::Mo_Transport:
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case HighGuid::Instance:
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case HighGuid::Group:
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return false;
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case HighGuid::GameObject:
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case HighGuid::Transport:
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case HighGuid::Unit:
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case HighGuid::Pet:
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case HighGuid::Vehicle:
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default:
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return true;
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}
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}
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bool HasEntry() const { return HasEntry(GetHigh()); }
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static ObjectGuid Global(HighGuid type, LowType counter);
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static ObjectGuid MapSpecific(HighGuid type, uint32 entry, LowType counter);
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explicit ObjectGuid(uint32 const&) = delete; // no implementation, used to catch wrong type assignment
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ObjectGuid(HighGuid, uint32, uint64 counter) = delete; // no implementation, used to catch wrong type assignment
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ObjectGuid(HighGuid, uint64 counter) = delete; // no implementation, used to catch wrong type assignment
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// used to catch wrong type assignment
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operator int64() const = delete;
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uint64 _guid;
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};
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// Some Shared defines
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typedef std::set<ObjectGuid> GuidSet;
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typedef std::list<ObjectGuid> GuidList;
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typedef std::deque<ObjectGuid> GuidDeque;
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typedef std::vector<ObjectGuid> GuidVector;
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typedef std::unordered_set<ObjectGuid> GuidUnorderedSet;
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// minimum buffer size for packed guid is 9 bytes
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#define PACKED_GUID_MIN_BUFFER_SIZE 9
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class PackedGuid
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{
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friend ByteBuffer& operator<<(ByteBuffer& buf, PackedGuid const& guid);
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public:
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explicit PackedGuid() : _packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { _packedGuid.appendPackGUID(0); }
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explicit PackedGuid(uint64 guid) : _packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { _packedGuid.appendPackGUID(guid); }
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explicit PackedGuid(ObjectGuid guid) : _packedGuid(PACKED_GUID_MIN_BUFFER_SIZE) { _packedGuid.appendPackGUID(guid.GetRawValue()); }
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void Set(uint64 guid) { _packedGuid.wpos(0); _packedGuid.appendPackGUID(guid); }
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void Set(ObjectGuid guid) { _packedGuid.wpos(0); _packedGuid.appendPackGUID(guid.GetRawValue()); }
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std::size_t size() const { return _packedGuid.size(); }
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private:
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ByteBuffer _packedGuid;
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};
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class ObjectGuidGeneratorBase
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{
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public:
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ObjectGuidGeneratorBase(ObjectGuid::LowType start = 1) : _nextGuid(start) { }
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virtual void Set(ObjectGuid::LowType val) { _nextGuid = val; }
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virtual ObjectGuid::LowType Generate() = 0;
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ObjectGuid::LowType GetNextAfterMaxUsed() const { return _nextGuid; }
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virtual ~ObjectGuidGeneratorBase() { }
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protected:
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static void HandleCounterOverflow(HighGuid high);
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ObjectGuid::LowType _nextGuid;
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};
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template<HighGuid high>
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class ObjectGuidGenerator : public ObjectGuidGeneratorBase
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{
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public:
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explicit ObjectGuidGenerator(ObjectGuid::LowType start = 1) : ObjectGuidGeneratorBase(start) { }
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ObjectGuid::LowType Generate() override
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{
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if (_nextGuid >= ObjectGuid::GetMaxCounter(high) - 1)
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HandleCounterOverflow(high);
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return _nextGuid++;
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}
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};
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ByteBuffer& operator<<(ByteBuffer& buf, ObjectGuid const& guid);
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ByteBuffer& operator>>(ByteBuffer& buf, ObjectGuid& guid);
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ByteBuffer& operator<<(ByteBuffer& buf, PackedGuid const& guid);
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ByteBuffer& operator>>(ByteBuffer& buf, PackedGuidReader const& guid);
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inline PackedGuid ObjectGuid::WriteAsPacked() const { return PackedGuid(*this); }
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namespace std
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{
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template<>
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struct hash<ObjectGuid>
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{
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public:
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size_t operator()(ObjectGuid const& key) const
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{
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return std::hash<uint64>()(key.GetRawValue());
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}
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};
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}
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#endif // ObjectGuid_h__
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