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If a mob has a target when a zone is shutdown it will crash while trying
to dispatch EVENT_TARGET_CHANGE when the Mob destructor cleans up hatelists
if a quest interface isn't loaded for the type (in this case no bot scripts):
zone.exe!fmt::v10::format<std::string const &,char const *>(fmt::v10::basic_format_string<char,std::string const &,char const *> fmt={...}, const std::string & <args_0>={...}, const char * && <args_1>=0x0000000000000000) Line 2835 C++
> zone.exe!QuestParserCollection::GetQIByBotQuest(std::string & filename={...}) Line 1138 C++
zone.exe!QuestParserCollection::BotHasQuestSubLocal(QuestEventID event_id=EVENT_TARGET_CHANGE) Line 353 C++
zone.exe!QuestParserCollection::BotHasQuestSub(QuestEventID event_id=EVENT_TARGET_CHANGE) Line 389 C++
zone.exe!Mob::SetTarget(Mob * mob=0x0000000000000000) Line 5431 C++
zone.exe!NPC::SetTarget(Mob * mob=0x0000000000000000) Line 575 C++
zone.exe!Mob::RemoveFromHateList(Mob * mob=0x000001bfbdc66040) Line 4894 C++
zone.exe!EntityList::RemoveFromTargets(Mob * mob=0x000001bfbdc66040, bool RemoveFromXTargets=true) Line 1530 C++
zone.exe!Mob::~Mob() Line 547 C++
zone.exe!NPC::~NPC() Line 537 C++
zone.exe!NPC::`scalar deleting destructor'(unsigned int) C++
zone.exe!EntityList::RemoveAllMobs() Line 2678 C++
zone.exe!EntityList::Clear() Line 3090 C++
zone.exe!Zone::~Zone() Line 1103 C++
zone.exe!Zone::`scalar deleting destructor'(unsigned int) C++
zone.exe!Zone::Shutdown(bool quiet=false) Line 928 C++
This is caused by the Zone destructor deleting short_name before calling
entity_list.Clear(). With an unloaded quest interface BotHasQuestSubLocal
calls GetQIByBotQuest which gets a null zone->GetShortName() and crashes
while formatting strings.
The immediate regressing commit for this crash is because a check for
zone->IsLoaded() was removed in 74f1eac4 with others that were removed
to fix a regression by #4025. GetQIByBotQuest and GetQIByPlayerQuest
always had this check and should have remained for them.
This restores the zone->IsLoaded() checks for GetQIByBotQuest/PlayerQuest.
The other functions cannot have that check added until the other issues
mentioned in #4149 are addressed.
EQEmulator Core Server
| Drone (Linux x64) | Drone (Windows x64) |
|---|---|
 |
|
EQEmulator is a custom completely from-scratch open source server implementation for EverQuest built mostly on C++
- MySQL/MariaDB is used as the database engine (over 200+ tables)
- Perl and LUA are both supported scripting languages for NPC/Player/Quest oriented events
- Open source database (Project EQ) has content up to expansion OoW (included in server installs)
- Game server environments and databases can be heavily customized to create all new experiences
- Hundreds of Quests/events created and maintained by Project EQ
Server Installs
| Windows | Linux | |
|---|---|---|
| Install Count |
> Windows
> Debian/Ubuntu/CentOS/Fedora
-
You can use curl or wget to kick off the installer (whichever your OS has)
curl -O https://raw.githubusercontent.com/EQEmu/Server/master/utils/scripts/linux_installer/install.sh install.sh && chmod 755 install.sh && ./install.sh
wget --no-check-certificate https://raw.githubusercontent.com/EQEmu/Server/master/utils/scripts/linux_installer/install.sh -O install.sh && chmod 755 install.sh && ./install.sh
Supported Clients
| Titanium Edition | Secrets of Faydwer | Seeds of Destruction | Underfoot | Rain of Fear |
|---|---|---|---|---|
 |
 |
 |
 |
 |
Bug Reports 
- Please use the issue tracker provided by GitHub to send us bug reports or feature requests.
- The EQEmu Forums are also a place to submit and get help with bugs.
Contributions 
- The preferred way to contribute is to fork the repo and submit a pull request on
GitHub. If you need help with your changes, you can always post on the forums or
try Discord. You can also post unified diffs (
git diffshould do the trick) on the Server Code Submissions forum, although pull requests will be much quicker and easier on all parties.
Contact 
- Discord Channel: https://discord.gg/QHsm7CD
- User Discord Channel:
#general - Developer Discord Channel:
#eqemucoders
Resources
Related Repositories
- ProjectEQ Quests
- Maps
- Installer Resources
- Zone Utilities - Various utilities and libraries for parsing, rendering and manipulating EQ Zone files.
Other License Info
- The server code and utilities are released under GPLv3
- We also include some small libraries for convienence that may be under different licensing
- SocketLib - GPL LibXML
- zlib - zlib license
- MariaDB/MySQL - GPL
- GPL Perl - GPL / ActiveState (under the assumption that this is a free project)
- CPPUnit - GLP StringUtilities - Apache
- LUA - MIT