DisableMgr.cpp

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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/>.
 */
 
#include "DisableMgr.h"
#include "CriteriaHandler.h"
#include "DatabaseEnv.h"
#include "DB2Stores.h"
#include "Log.h"
#include "Map.h"
#include "ObjectMgr.h"
#include "OutdoorPvP.h"
#include "Player.h"
#include "SpellMgr.h"
#include "StringConvert.h"
#include "VMapManager2.h"
#include "World.h"
 
namespace DisableMgr
{
 
char const* MapTypeNames[] =
{
 "World",
 "Dungeon",
 "Raid",
 "Battleground",
 "Arena",
 "Scenario"
};
 
namespace
{
 struct DisableData
 {
 uint16 flags;
 std::unordered_set<uint32> params[2]; // params0, params1
 };
 
 // single disables here with optional data
 typedef std::unordered_map<uint32, DisableData> DisableTypeMap;
 
 std::array<DisableTypeMap, MAX_DISABLE_TYPES> m_DisableMap;
}
 
void LoadDisables()
{
 uint32 oldMSTime = getMSTime();
 
 // reload case
 for (std::size_t i = 0; i < m_DisableMap.size(); ++i)
 m_DisableMap[i].clear();
 
 QueryResult result = WorldDatabase.Query("SELECT sourceType, entry, flags, params_0, params_1 FROM disables");
 
 uint32 total_count = 0;
 
 if (!result)
 {
 TC_LOG_INFO("server.loading", ">> Loaded 0 disables. DB table `disables` is empty!");
 return;
 }
 
 Field* fields;
 do
 {
 fields = result->Fetch();
 uint32 type = fields[0].GetUInt32();
 if (type >= MAX_DISABLE_TYPES)
 {
 TC_LOG_ERROR("sql.sql", "Invalid type {} specified in `disables` table, skipped.", type);
 continue;
 }
 
 uint32 entry = fields[1].GetUInt32();
 uint16 flags = fields[2].GetUInt16();
 std::string params_0 = fields[3].GetString();
 std::string params_1 = fields[4].GetString();
 
 DisableData data;
 data.flags = flags;
 
 switch (type)
 {
 case DISABLE_TYPE_SPELL:
 if (!(sSpellMgr->GetSpellInfo(entry, DIFFICULTY_NONE) || flags & SPELL_DISABLE_DEPRECATED_SPELL))
 {
 TC_LOG_ERROR("sql.sql", "Spell entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 
 if (!flags || flags > MAX_SPELL_DISABLE_TYPE)
 {
 TC_LOG_ERROR("sql.sql", "Disable flags for spell {} are invalid, skipped.", entry);
 continue;
 }
 
 if (flags & SPELL_DISABLE_MAP)
 {
 for (std::string_view mapStr : Trinity::Tokenize(params_0, ',', true))
 {
 if (Optional<uint32> mapId = Trinity::StringTo<uint32>(mapStr))
 data.params[0].insert(*mapId);
 else
 TC_LOG_ERROR("sql.sql", "Disable map '{}' for spell {} is invalid, skipped.", mapStr, entry);
 }
 }
 
 if (flags & SPELL_DISABLE_AREA)
 {
 for (std::string_view areaStr : Trinity::Tokenize(params_1, ',', true))
 {
 if (Optional<uint32> areaId = Trinity::StringTo<uint32>(areaStr))
 data.params[1].insert(*areaId);
 else
 TC_LOG_ERROR("sql.sql", "Disable area '{}' for spell {} is invalid, skipped.", areaStr, entry);
 }
 }
 
 break;
 // checked later
 case DISABLE_TYPE_QUEST:
 break;
 case DISABLE_TYPE_MAP:
 case DISABLE_TYPE_LFG_MAP:
 {
 MapEntry const* mapEntry = sMapStore.LookupEntry(entry);
 if (!mapEntry)
 {
 TC_LOG_ERROR("sql.sql", "Map entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 bool isFlagInvalid = false;
 switch (mapEntry->InstanceType)
 {
 case MAP_COMMON:
 if (flags)
 isFlagInvalid = true;
 break;
 case MAP_INSTANCE:
 case MAP_RAID:
 if (flags & DUNGEON_STATUSFLAG_HEROIC && !sDB2Manager.GetMapDifficultyData(entry, DIFFICULTY_HEROIC))
 flags -= DUNGEON_STATUSFLAG_HEROIC;
 if (flags & RAID_STATUSFLAG_10MAN_HEROIC && !sDB2Manager.GetMapDifficultyData(entry, DIFFICULTY_10_HC))
 flags -= RAID_STATUSFLAG_10MAN_HEROIC;
 if (flags & RAID_STATUSFLAG_25MAN_HEROIC && !sDB2Manager.GetMapDifficultyData(entry, DIFFICULTY_25_HC))
 flags -= RAID_STATUSFLAG_25MAN_HEROIC;
 if (!flags)
 isFlagInvalid = true;
 break;
 case MAP_BATTLEGROUND:
 case MAP_ARENA:
 TC_LOG_ERROR("sql.sql", "Battleground map {} specified to be disabled in map case, skipped.", entry);
 continue;
 }
 if (isFlagInvalid)
 {
 TC_LOG_ERROR("sql.sql", "Disable flags for map {} are invalid, skipped.", entry);
 continue;
 }
 break;
 }
 case DISABLE_TYPE_BATTLEGROUND:
 if (!sBattlemasterListStore.LookupEntry(entry))
 {
 TC_LOG_ERROR("sql.sql", "Battleground entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 if (flags)
 TC_LOG_ERROR("sql.sql", "Disable flags specified for battleground {}, useless data.", entry);
 break;
 case DISABLE_TYPE_OUTDOORPVP:
 if (entry > MAX_OUTDOORPVP_TYPES)
 {
 TC_LOG_ERROR("sql.sql", "OutdoorPvPTypes value {} from `disables` is invalid, skipped.", entry);
 continue;
 }
 if (flags)
 TC_LOG_ERROR("sql.sql", "Disable flags specified for outdoor PvP {}, useless data.", entry);
 break;
 case DISABLE_TYPE_CRITERIA:
 if (!sCriteriaStore.LookupEntry(entry))
 {
 TC_LOG_ERROR("sql.sql", "Criteria entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 if (flags)
 TC_LOG_ERROR("sql.sql", "Disable flags specified for Criteria {}, useless data.", entry);
 break;
 case DISABLE_TYPE_VMAP:
 {
 MapEntry const* mapEntry = sMapStore.LookupEntry(entry);
 if (!mapEntry)
 {
 TC_LOG_ERROR("sql.sql", "Map entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 switch (mapEntry->InstanceType)
 {
 case MAP_COMMON:
 if (flags & VMAP::VMAP_DISABLE_AREAFLAG)
 TC_LOG_INFO("misc", "Areaflag disabled for {} map {}.", MapTypeNames[mapEntry->InstanceType], entry);
 if (flags & VMAP::VMAP_DISABLE_LIQUIDSTATUS)
 TC_LOG_INFO("misc", "Liquid status disabled for {} map {}.", MapTypeNames[mapEntry->InstanceType], entry);
 break;
 case MAP_INSTANCE:
 case MAP_RAID:
 case MAP_BATTLEGROUND:
 case MAP_ARENA:
 case MAP_SCENARIO:
 if (flags & VMAP::VMAP_DISABLE_HEIGHT)
 TC_LOG_INFO("misc", "Height disabled for {} map {}.", MapTypeNames[mapEntry->InstanceType], entry);
 if (flags & VMAP::VMAP_DISABLE_LOS)
 TC_LOG_INFO("misc", "LoS disabled for {} map {}.", MapTypeNames[mapEntry->InstanceType], entry);
 break;
 }
 break;
 }
 case DISABLE_TYPE_MMAP:
 {
 MapEntry const* mapEntry = sMapStore.LookupEntry(entry);
 if (!mapEntry)
 {
 TC_LOG_ERROR("sql.sql", "Map entry {} from `disables` doesn't exist in dbc, skipped.", entry);
 continue;
 }
 if (mapEntry->InstanceType <= MAP_SCENARIO)
 TC_LOG_INFO("misc", "Pathfinding disabled for {} map {}.", MapTypeNames[mapEntry->InstanceType], entry);
 break;
 }
 default:
 break;
 }
 
 m_DisableMap[type][entry] = std::move(data);
 ++total_count;
 }
 while (result->NextRow());
 
 TC_LOG_INFO("server.loading", ">> Loaded {} disables in {} ms", total_count, GetMSTimeDiffToNow(oldMSTime));
}
 
void CheckQuestDisables()
{
 uint32 oldMSTime = getMSTime();
 
 std::size_t count = m_DisableMap[DISABLE_TYPE_QUEST].size();
 if (!count)
 {
 TC_LOG_INFO("server.loading", ">> Checked 0 quest disables.");
 return;
 }
 
 // check only quests, rest already done at startup
 for (auto itr = m_DisableMap[DISABLE_TYPE_QUEST].begin(); itr != m_DisableMap[DISABLE_TYPE_QUEST].end();)
 {
 uint32 entry = itr->first;
 if (!sObjectMgr->GetQuestTemplate(entry))
 {
 TC_LOG_ERROR("sql.sql", "Quest entry {} from `disables` doesn't exist, skipped.", entry);
 m_DisableMap[DISABLE_TYPE_QUEST].erase(itr++);
 continue;
 }
 if (itr->second.flags)
 TC_LOG_ERROR("sql.sql", "Disable flags specified for quest {}, useless data.", entry);
 ++itr;
 }
 
 TC_LOG_INFO("server.loading", ">> Checked {} quest disables in {} ms", count, GetMSTimeDiffToNow(oldMSTime));
}
 
bool IsDisabledFor(DisableType type, uint32 entry, WorldObject const* ref, uint8 flags /*= 0*/)
{
 ASSERT(type < MAX_DISABLE_TYPES);
 if (m_DisableMap[type].empty())
 return false;
 
 DisableTypeMap::iterator itr = m_DisableMap[type].find(entry);
 if (itr == m_DisableMap[type].end()) // not disabled
 return false;
 
 switch (type)
 {
 case DISABLE_TYPE_SPELL:
 {
 uint16 spellFlags = itr->second.flags;
 if (ref)
 {
 if ((ref->GetTypeId() == TYPEID_PLAYER && (spellFlags & SPELL_DISABLE_PLAYER)) ||
 (ref->GetTypeId() == TYPEID_UNIT && ((spellFlags & SPELL_DISABLE_CREATURE) || (ref->ToUnit()->IsPet() && (spellFlags & SPELL_DISABLE_PET)))) ||
 (ref->GetTypeId() == TYPEID_GAMEOBJECT && (spellFlags & SPELL_DISABLE_GAMEOBJECT)))
 {
 if (spellFlags & (SPELL_DISABLE_ARENAS | SPELL_DISABLE_BATTLEGROUNDS))
 {
 if (Map const* map = ref->FindMap())
 {
 if (spellFlags & SPELL_DISABLE_ARENAS && map->IsBattleArena())
 return true; // Current map is Arena and this spell is disabled here
 
 if (spellFlags & SPELL_DISABLE_BATTLEGROUNDS && map->IsBattleground())
 return true; // Current map is a Battleground and this spell is disabled here
 }
 }
 
 if (spellFlags & SPELL_DISABLE_MAP)
 {
 std::unordered_set<uint32> const& mapIds = itr->second.params[0];
 if (mapIds.find(ref->GetMapId()) != mapIds.end())
 return true; // Spell is disabled on current map
 
 if (!(spellFlags & SPELL_DISABLE_AREA))
 return false; // Spell is disabled on another map, but not this one, return false
 
 // Spell is disabled in an area, but not explicitly our current mapId. Continue processing.
 }
 
 if (spellFlags & SPELL_DISABLE_AREA)
 {
 std::unordered_set<uint32> const& areaIds = itr->second.params[1];
 if (areaIds.find(ref->GetAreaId()) != areaIds.end())
 return true; // Spell is disabled in this area
 return false; // Spell is disabled in another area, but not this one, return false
 }
 else
 return true; // Spell disabled for all maps
 }
 
 return false;
 }
 else if (spellFlags & SPELL_DISABLE_DEPRECATED_SPELL) // call not from spellcast
 return true;
 else if (flags & SPELL_DISABLE_LOS)
 return (spellFlags & SPELL_DISABLE_LOS) != 0;
 
 break;
 }
 case DISABLE_TYPE_MAP:
 case DISABLE_TYPE_LFG_MAP:
 if (!ref)
 return true;
 if (Player const* player = ref->ToPlayer())
 {
 MapEntry const* mapEntry = sMapStore.LookupEntry(entry);
 if (mapEntry->IsDungeon())
 {
 uint8 disabledModes = itr->second.flags;
 Difficulty targetDifficulty = player->GetDifficultyID(mapEntry);
 sDB2Manager.GetDownscaledMapDifficultyData(entry, targetDifficulty);
 switch (targetDifficulty)
 {
 case DIFFICULTY_NORMAL:
 return (disabledModes & DUNGEON_STATUSFLAG_NORMAL) != 0;
 case DIFFICULTY_HEROIC:
 return (disabledModes & DUNGEON_STATUSFLAG_HEROIC) != 0;
 case DIFFICULTY_10_HC:
 return (disabledModes & RAID_STATUSFLAG_10MAN_HEROIC) != 0;
 case DIFFICULTY_25_HC:
 return (disabledModes & RAID_STATUSFLAG_25MAN_HEROIC) != 0;
 default:
 return false;
 }
 }
 else if (mapEntry->InstanceType == MAP_COMMON)
 return true;
 }
 return false;
 case DISABLE_TYPE_QUEST:
 return true;
 case DISABLE_TYPE_BATTLEGROUND:
 case DISABLE_TYPE_OUTDOORPVP:
 case DISABLE_TYPE_CRITERIA:
 case DISABLE_TYPE_MMAP:
 return true;
 case DISABLE_TYPE_VMAP:
 return (flags & itr->second.flags) != 0;
 default:
 break;
 }
 
 return false;
}
 
bool IsVMAPDisabledFor(uint32 entry, uint8 flags)
{
 return IsDisabledFor(DISABLE_TYPE_VMAP, entry, nullptr, flags);
}
 
bool IsPathfindingEnabled(uint32 mapId)
{
 return sWorld->getBoolConfig(CONFIG_ENABLE_MMAPS)
 && !IsDisabledFor(DISABLE_TYPE_MMAP, mapId, nullptr, MMAP_DISABLE_PATHFINDING);
}
 
} // Namespace