diff options
Diffstat (limited to 'primedev/mods/modmanager.cpp')
| -rw-r--r-- | primedev/mods/modmanager.cpp | 1150 |
1 files changed, 1150 insertions, 0 deletions
diff --git a/primedev/mods/modmanager.cpp b/primedev/mods/modmanager.cpp new file mode 100644 index 00000000..8a0eb71d --- /dev/null +++ b/primedev/mods/modmanager.cpp @@ -0,0 +1,1150 @@ +#include "modmanager.h" +#include "core/convar/convar.h" +#include "core/convar/concommand.h" +#include "client/audio.h" +#include "masterserver/masterserver.h" +#include "core/filesystem/filesystem.h" +#include "core/filesystem/rpakfilesystem.h" +#include "config/profile.h" + +#include "rapidjson/error/en.h" +#include "rapidjson/document.h" +#include "rapidjson/ostreamwrapper.h" +#include "rapidjson/prettywriter.h" +#include <filesystem> +#include <fstream> +#include <string> +#include <sstream> +#include <vector> +#include <regex> + +ModManager* g_pModManager; + +Mod::Mod(fs::path modDir, char* jsonBuf) +{ + m_bWasReadSuccessfully = false; + + m_ModDirectory = modDir; + + rapidjson_document modJson; + modJson.Parse<rapidjson::ParseFlag::kParseCommentsFlag | rapidjson::ParseFlag::kParseTrailingCommasFlag>(jsonBuf); + + spdlog::info("Loading mod file at path '{}'", modDir.string()); + + // fail if parse error + if (modJson.HasParseError()) + { + spdlog::error( + "Failed reading mod file {}: encountered parse error \"{}\" at offset {}", + (modDir / "mod.json").string(), + GetParseError_En(modJson.GetParseError()), + modJson.GetErrorOffset()); + return; + } + + // fail if it's not a json obj (could be an array, string, etc) + if (!modJson.IsObject()) + { + spdlog::error("Failed reading mod file {}: file is not a JSON object", (modDir / "mod.json").string()); + return; + } + + // basic mod info + // name is required + if (!modJson.HasMember("Name")) + { + spdlog::error("Failed reading mod file {}: missing required member \"Name\"", (modDir / "mod.json").string()); + return; + } + + Name = modJson["Name"].GetString(); + spdlog::info("Loading mod '{}'", Name); + + // Don't load blacklisted mods + if (!strstr(GetCommandLineA(), "-nomodblacklist") && MODS_BLACKLIST.find(Name) != std::end(MODS_BLACKLIST)) + { + spdlog::warn("Skipping blacklisted mod \"{}\"!", Name); + return; + } + + if (modJson.HasMember("Description")) + Description = modJson["Description"].GetString(); + else + Description = ""; + + if (modJson.HasMember("Version")) + Version = modJson["Version"].GetString(); + else + { + Version = "0.0.0"; + spdlog::warn("Mod file {} is missing a version, consider adding a version", (modDir / "mod.json").string()); + } + + if (modJson.HasMember("DownloadLink")) + DownloadLink = modJson["DownloadLink"].GetString(); + else + DownloadLink = ""; + + if (modJson.HasMember("RequiredOnClient")) + RequiredOnClient = modJson["RequiredOnClient"].GetBool(); + else + RequiredOnClient = false; + + if (modJson.HasMember("LoadPriority")) + LoadPriority = modJson["LoadPriority"].GetInt(); + else + { + spdlog::info("Mod file {} is missing a LoadPriority, consider adding one", (modDir / "mod.json").string()); + LoadPriority = 0; + } + + // Parse all array fields + ParseConVars(modJson); + ParseConCommands(modJson); + ParseScripts(modJson); + ParseLocalization(modJson); + ParseDependencies(modJson); + ParsePluginDependencies(modJson); + ParseInitScript(modJson); + + // A mod is remote if it's located in the remote mods folder + m_bIsRemote = m_ModDirectory.generic_string().find(GetRemoteModFolderPath().generic_string()) != std::string::npos; + + m_bWasReadSuccessfully = true; +} + +void Mod::ParseConVars(rapidjson_document& json) +{ + if (!json.HasMember("ConVars")) + return; + + if (!json["ConVars"].IsArray()) + { + spdlog::warn("'ConVars' field is not an array, skipping..."); + return; + } + + for (auto& convarObj : json["ConVars"].GetArray()) + { + if (!convarObj.IsObject()) + { + spdlog::warn("ConVar is not an object, skipping..."); + continue; + } + if (!convarObj.HasMember("Name")) + { + spdlog::warn("ConVar does not have a Name, skipping..."); + continue; + } + // from here on, the ConVar can be referenced by name in logs + if (!convarObj.HasMember("DefaultValue")) + { + spdlog::warn("ConVar '{}' does not have a DefaultValue, skipping...", convarObj["Name"].GetString()); + continue; + } + + // have to allocate this manually, otherwise convar registration will break + // unfortunately this causes us to leak memory on reload, unsure of a way around this rn + ModConVar* convar = new ModConVar; + convar->Name = convarObj["Name"].GetString(); + convar->DefaultValue = convarObj["DefaultValue"].GetString(); + + if (convarObj.HasMember("HelpString")) + convar->HelpString = convarObj["HelpString"].GetString(); + else + convar->HelpString = ""; + + convar->Flags = FCVAR_NONE; + + if (convarObj.HasMember("Flags")) + { + // read raw integer flags + if (convarObj["Flags"].IsInt()) + convar->Flags = convarObj["Flags"].GetInt(); + else if (convarObj["Flags"].IsString()) + { + // parse cvar flags from string + // example string: ARCHIVE_PLAYERPROFILE | GAMEDLL + convar->Flags |= ParseConVarFlagsString(convar->Name, convarObj["Flags"].GetString()); + } + } + + ConVars.push_back(convar); + + spdlog::info("'{}' contains ConVar '{}'", Name, convar->Name); + } +} + +void Mod::ParseConCommands(rapidjson_document& json) +{ + if (!json.HasMember("ConCommands")) + return; + + if (!json["ConCommands"].IsArray()) + { + spdlog::warn("'ConCommands' field is not an array, skipping..."); + return; + } + + for (auto& concommandObj : json["ConCommands"].GetArray()) + { + if (!concommandObj.IsObject()) + { + spdlog::warn("ConCommand is not an object, skipping..."); + continue; + } + if (!concommandObj.HasMember("Name")) + { + spdlog::warn("ConCommand does not have a Name, skipping..."); + continue; + } + // from here on, the ConCommand can be referenced by name in logs + if (!concommandObj.HasMember("Function")) + { + spdlog::warn("ConCommand '{}' does not have a Function, skipping...", concommandObj["Name"].GetString()); + continue; + } + if (!concommandObj.HasMember("Context")) + { + spdlog::warn("ConCommand '{}' does not have a Context, skipping...", concommandObj["Name"].GetString()); + continue; + } + + // have to allocate this manually, otherwise concommand registration will break + // unfortunately this causes us to leak memory on reload, unsure of a way around this rn + ModConCommand* concommand = new ModConCommand; + concommand->Name = concommandObj["Name"].GetString(); + concommand->Function = concommandObj["Function"].GetString(); + concommand->Context = ScriptContextFromString(concommandObj["Context"].GetString()); + if (concommand->Context == ScriptContext::INVALID) + { + spdlog::warn("ConCommand '{}' has invalid context '{}', skipping...", concommand->Name, concommandObj["Context"].GetString()); + continue; + } + + if (concommandObj.HasMember("HelpString")) + concommand->HelpString = concommandObj["HelpString"].GetString(); + else + concommand->HelpString = ""; + + concommand->Flags = FCVAR_NONE; + + if (concommandObj.HasMember("Flags")) + { + // read raw integer flags + if (concommandObj["Flags"].IsInt()) + { + concommand->Flags = concommandObj["Flags"].GetInt(); + } + else if (concommandObj["Flags"].IsString()) + { + // parse cvar flags from string + // example string: ARCHIVE_PLAYERPROFILE | GAMEDLL + concommand->Flags |= ParseConVarFlagsString(concommand->Name, concommandObj["Flags"].GetString()); + } + } + + ConCommands.push_back(concommand); + + spdlog::info("'{}' contains ConCommand '{}'", Name, concommand->Name); + } +} + +void Mod::ParseScripts(rapidjson_document& json) +{ + if (!json.HasMember("Scripts")) + return; + + if (!json["Scripts"].IsArray()) + { + spdlog::warn("'Scripts' field is not an array, skipping..."); + return; + } + + for (auto& scriptObj : json["Scripts"].GetArray()) + { + if (!scriptObj.IsObject()) + { + spdlog::warn("Script is not an object, skipping..."); + continue; + } + if (!scriptObj.HasMember("Path")) + { + spdlog::warn("Script does not have a Path, skipping..."); + continue; + } + // from here on, the Path for a script is used as it's name in logs + if (!scriptObj.HasMember("RunOn")) + { + // "a RunOn" sounds dumb but anything else doesn't match the format of the warnings... + // this is the best i could think of within 20 seconds + spdlog::warn("Script '{}' does not have a RunOn field, skipping...", scriptObj["Path"].GetString()); + continue; + } + + ModScript script; + + script.Path = scriptObj["Path"].GetString(); + script.RunOn = scriptObj["RunOn"].GetString(); + + if (scriptObj.HasMember("ServerCallback")) + { + if (scriptObj["ServerCallback"].IsObject()) + { + ModScriptCallback callback; + callback.Context = ScriptContext::SERVER; + + if (scriptObj["ServerCallback"].HasMember("Before")) + { + if (scriptObj["ServerCallback"]["Before"].IsString()) + callback.BeforeCallback = scriptObj["ServerCallback"]["Before"].GetString(); + else + spdlog::warn("'Before' ServerCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["ServerCallback"].HasMember("After")) + { + if (scriptObj["ServerCallback"]["After"].IsString()) + callback.AfterCallback = scriptObj["ServerCallback"]["After"].GetString(); + else + spdlog::warn("'After' ServerCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["ServerCallback"].HasMember("Destroy")) + { + if (scriptObj["ServerCallback"]["Destroy"].IsString()) + callback.DestroyCallback = scriptObj["ServerCallback"]["Destroy"].GetString(); + else + spdlog::warn( + "'Destroy' ServerCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + script.Callbacks.push_back(callback); + } + else + { + spdlog::warn("ServerCallback for script '{}' is not an object, skipping...", scriptObj["Path"].GetString()); + } + } + + if (scriptObj.HasMember("ClientCallback")) + { + if (scriptObj["ClientCallback"].IsObject()) + { + ModScriptCallback callback; + callback.Context = ScriptContext::CLIENT; + + if (scriptObj["ClientCallback"].HasMember("Before")) + { + if (scriptObj["ClientCallback"]["Before"].IsString()) + callback.BeforeCallback = scriptObj["ClientCallback"]["Before"].GetString(); + else + spdlog::warn("'Before' ClientCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["ClientCallback"].HasMember("After")) + { + if (scriptObj["ClientCallback"]["After"].IsString()) + callback.AfterCallback = scriptObj["ClientCallback"]["After"].GetString(); + else + spdlog::warn("'After' ClientCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["ClientCallback"].HasMember("Destroy")) + { + if (scriptObj["ClientCallback"]["Destroy"].IsString()) + callback.DestroyCallback = scriptObj["ClientCallback"]["Destroy"].GetString(); + else + spdlog::warn( + "'Destroy' ClientCallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + script.Callbacks.push_back(callback); + } + else + { + spdlog::warn("ClientCallback for script '{}' is not an object, skipping...", scriptObj["Path"].GetString()); + } + } + + if (scriptObj.HasMember("UICallback")) + { + if (scriptObj["UICallback"].IsObject()) + { + ModScriptCallback callback; + callback.Context = ScriptContext::UI; + + if (scriptObj["UICallback"].HasMember("Before")) + { + if (scriptObj["UICallback"]["Before"].IsString()) + callback.BeforeCallback = scriptObj["UICallback"]["Before"].GetString(); + else + spdlog::warn("'Before' UICallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["UICallback"].HasMember("After")) + { + if (scriptObj["UICallback"]["After"].IsString()) + callback.AfterCallback = scriptObj["UICallback"]["After"].GetString(); + else + spdlog::warn("'After' UICallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + if (scriptObj["UICallback"].HasMember("Destroy")) + { + if (scriptObj["UICallback"]["Destroy"].IsString()) + callback.DestroyCallback = scriptObj["UICallback"]["Destroy"].GetString(); + else + spdlog::warn("'Destroy' UICallback for script '{}' is not a string, skipping...", scriptObj["Path"].GetString()); + } + + script.Callbacks.push_back(callback); + } + else + { + spdlog::warn("UICallback for script '{}' is not an object, skipping...", scriptObj["Path"].GetString()); + } + } + + Scripts.push_back(script); + + spdlog::info("'{}' contains Script '{}'", Name, script.Path); + } +} + +void Mod::ParseLocalization(rapidjson_document& json) +{ + if (!json.HasMember("Localisation")) + return; + + if (!json["Localisation"].IsArray()) + { + spdlog::warn("'Localisation' field is not an array, skipping..."); + return; + } + + for (auto& localisationStr : json["Localisation"].GetArray()) + { + if (!localisationStr.IsString()) + { + // not a string but we still GetString() to log it :trol: + spdlog::warn("Localisation '{}' is not a string, skipping...", localisationStr.GetString()); + continue; + } + + LocalisationFiles.push_back(localisationStr.GetString()); + + spdlog::info("'{}' registered Localisation '{}'", Name, localisationStr.GetString()); + } +} + +void Mod::ParseDependencies(rapidjson_document& json) +{ + if (!json.HasMember("Dependencies")) + return; + + if (!json["Dependencies"].IsObject()) + { + spdlog::warn("'Dependencies' field is not an object, skipping..."); + return; + } + + for (auto v = json["Dependencies"].MemberBegin(); v != json["Dependencies"].MemberEnd(); v++) + { + if (!v->name.IsString()) + { + spdlog::warn("Dependency constant '{}' is not a string, skipping...", v->name.GetString()); + continue; + } + if (!v->value.IsString()) + { + spdlog::warn("Dependency constant '{}' is not a string, skipping...", v->value.GetString()); + continue; + } + + if (DependencyConstants.find(v->name.GetString()) != DependencyConstants.end() && + v->value.GetString() != DependencyConstants[v->name.GetString()]) + { + // this is fatal because otherwise the mod will probably try to use functions that dont exist, + // which will cause errors further down the line that are harder to debug + spdlog::error( + "'{}' attempted to register a dependency constant '{}' for '{}' that already exists for '{}'. " + "Change the constant name.", + Name, + v->name.GetString(), + v->value.GetString(), + DependencyConstants[v->name.GetString()]); + return; + } + + if (DependencyConstants.find(v->name.GetString()) == DependencyConstants.end()) + DependencyConstants.emplace(v->name.GetString(), v->value.GetString()); + + spdlog::info("'{}' registered dependency constant '{}' for mod '{}'", Name, v->name.GetString(), v->value.GetString()); + } +} + +void Mod::ParsePluginDependencies(rapidjson_document& json) +{ + if (!json.HasMember("PluginDependencies")) + return; + + if (!json["PluginDependencies"].IsArray()) + { + spdlog::warn("'PluginDependencies' field is not an object, skipping..."); + return; + } + + for (auto& name : json["PluginDependencies"].GetArray()) + { + if (!name.IsString()) + continue; + + spdlog::info("Plugin Constant {} defined by {}", name.GetString(), Name); + + PluginDependencyConstants.push_back(name.GetString()); + } +} + +void Mod::ParseInitScript(rapidjson_document& json) +{ + if (!json.HasMember("InitScript")) + return; + + if (!json["InitScript"].IsString()) + { + spdlog::warn("'InitScript' field is not a string, skipping..."); + return; + } + + initScript = json["InitScript"].GetString(); +} + +ModManager::ModManager() +{ + // precaculated string hashes + // note: use backslashes for these, since we use lexically_normal for file paths which uses them + m_hScriptsRsonHash = STR_HASH("scripts\\vscripts\\scripts.rson"); + m_hPdefHash = STR_HASH( + "cfg\\server\\persistent_player_data_version_231.pdef" // this can have multiple versions, but we use 231 so that's what we hash + ); + m_hKBActHash = STR_HASH("scripts\\kb_act.lst"); + + LoadMods(); +} + +struct Test +{ + std::string funcName; + ScriptContext context; +}; + +template <ScriptContext context> auto ModConCommandCallback_Internal(std::string name, const CCommand& command) +{ + if (g_pSquirrel<context>->m_pSQVM && g_pSquirrel<context>->m_pSQVM) + { + if (command.ArgC() == 1) + { + g_pSquirrel<context>->AsyncCall(name); + } + else + { + std::vector<std::string> args; + args.reserve(command.ArgC()); + for (int i = 1; i < command.ArgC(); i++) + args.push_back(command.Arg(i)); + g_pSquirrel<context>->AsyncCall(name, args); + } + } + else + { + spdlog::warn("ConCommand `{}` was called while the associated Squirrel VM `{}` was unloaded", name, GetContextName(context)); + } +} + +auto ModConCommandCallback(const CCommand& command) +{ + ModConCommand* found = nullptr; + auto commandString = std::string(command.GetCommandString()); + + // Finding the first space to remove the command's name + auto firstSpace = commandString.find(' '); + if (firstSpace) + { + commandString = commandString.substr(0, firstSpace); + } + + // Find the mod this command belongs to + for (auto& mod : g_pModManager->m_LoadedMods) + { + auto res = std::find_if( + mod.ConCommands.begin(), + mod.ConCommands.end(), + [&commandString](const ModConCommand* other) { return other->Name == commandString; }); + if (res != mod.ConCommands.end()) + { + found = *res; + break; + } + } + if (!found) + return; + + switch (found->Context) + { + case ScriptContext::CLIENT: + ModConCommandCallback_Internal<ScriptContext::CLIENT>(found->Function, command); + break; + case ScriptContext::SERVER: + ModConCommandCallback_Internal<ScriptContext::SERVER>(found->Function, command); + break; + case ScriptContext::UI: + ModConCommandCallback_Internal<ScriptContext::UI>(found->Function, command); + break; + }; +} + +void ModManager::LoadMods() +{ + if (m_bHasLoadedMods) + UnloadMods(); + + std::vector<fs::path> modDirs; + + // ensure dirs exist + fs::remove_all(GetCompiledAssetsPath()); + fs::create_directories(GetModFolderPath()); + fs::create_directories(GetThunderstoreModFolderPath()); + fs::create_directories(GetRemoteModFolderPath()); + + m_DependencyConstants.clear(); + + // read enabled mods cfg + std::ifstream enabledModsStream(GetNorthstarPrefix() + "/enabledmods.json"); + std::stringstream enabledModsStringStream; + + if (!enabledModsStream.fail()) + { + while (enabledModsStream.peek() != EOF) + enabledModsStringStream << (char)enabledModsStream.get(); + + enabledModsStream.close(); + m_EnabledModsCfg.Parse<rapidjson::ParseFlag::kParseCommentsFlag | rapidjson::ParseFlag::kParseTrailingCommasFlag>( + enabledModsStringStream.str().c_str()); + + m_bHasEnabledModsCfg = m_EnabledModsCfg.IsObject(); + } + + // get mod directories + std::filesystem::directory_iterator classicModsDir = fs::directory_iterator(GetModFolderPath()); + std::filesystem::directory_iterator remoteModsDir = fs::directory_iterator(GetRemoteModFolderPath()); + std::filesystem::directory_iterator thunderstoreModsDir = fs::directory_iterator(GetThunderstoreModFolderPath()); + + for (fs::directory_entry dir : classicModsDir) + if (fs::exists(dir.path() / "mod.json")) + modDirs.push_back(dir.path()); + + // Special case for Thunderstore and remote mods directories + // Set up regex for `AUTHOR-MOD-VERSION` pattern + std::regex pattern(R"(.*\\([a-zA-Z0-9_]+)-([a-zA-Z0-9_]+)-(\d+\.\d+\.\d+))"); + + for (fs::directory_iterator dirIterator : {thunderstoreModsDir, remoteModsDir}) + { + for (fs::directory_entry dir : dirIterator) + { + fs::path modsDir = dir.path() / "mods"; // Check for mods folder in the Thunderstore mod + // Use regex to match `AUTHOR-MOD-VERSION` pattern + if (!std::regex_match(dir.path().string(), pattern)) + { + spdlog::warn("The following directory did not match 'AUTHOR-MOD-VERSION': {}", dir.path().string()); + continue; // skip loading mod that doesn't match + } + if (fs::exists(modsDir) && fs::is_directory(modsDir)) + { + for (fs::directory_entry subDir : fs::directory_iterator(modsDir)) + { + if (fs::exists(subDir.path() / "mod.json")) + { + modDirs.push_back(subDir.path()); + } + } + } + } + } + + for (fs::path modDir : modDirs) + { + // read mod json file + std::ifstream jsonStream(modDir / "mod.json"); + std::stringstream jsonStringStream; + + // fail if no mod json + if (jsonStream.fail()) + { + spdlog::warn( + "Mod file at '{}' does not exist or could not be read, is it installed correctly?", (modDir / "mod.json").string()); + continue; + } + + while (jsonStream.peek() != EOF) + jsonStringStream << (char)jsonStream.get(); + + jsonStream.close(); + + Mod mod(modDir, (char*)jsonStringStream.str().c_str()); + + for (auto& pair : mod.DependencyConstants) + { + if (m_DependencyConstants.find(pair.first) != m_DependencyConstants.end() && m_DependencyConstants[pair.first] != pair.second) + { + spdlog::error( + "'{}' attempted to register a dependency constant '{}' for '{}' that already exists for '{}'. " + "Change the constant name.", + mod.Name, + pair.first, + pair.second, + m_DependencyConstants[pair.first]); + mod.m_bWasReadSuccessfully = false; + break; + } + if (m_DependencyConstants.find(pair.first) == m_DependencyConstants.end()) + m_DependencyConstants.emplace(pair); + } + + for (std::string& dependency : mod.PluginDependencyConstants) + { + m_PluginDependencyConstants.insert(dependency); + } + + if (m_bHasEnabledModsCfg && m_EnabledModsCfg.HasMember(mod.Name.c_str())) + mod.m_bEnabled = m_EnabledModsCfg[mod.Name.c_str()].IsTrue(); + else + mod.m_bEnabled = true; + + if (mod.m_bWasReadSuccessfully) + { + if (mod.m_bEnabled) + spdlog::info("'{}' loaded successfully, version {}", mod.Name, mod.Version); + else + spdlog::info("'{}' loaded successfully, version {} (DISABLED)", mod.Name, mod.Version); + + m_LoadedMods.push_back(mod); + } + else + spdlog::warn("Mod file at '{}' failed to load", (modDir / "mod.json").string()); + } + + // sort by load prio, lowest-highest + std::sort(m_LoadedMods.begin(), m_LoadedMods.end(), [](Mod& a, Mod& b) { return a.LoadPriority < b.LoadPriority; }); + + // This is used to check if some mods have a folder but no entry in enabledmods.json + bool newModsDetected = false; + + for (Mod& mod : m_LoadedMods) + { + if (!mod.m_bEnabled) + continue; + + // Add mod entry to enabledmods.json if it doesn't exist + if (!mod.m_bIsRemote && !m_EnabledModsCfg.HasMember(mod.Name.c_str())) + { + m_EnabledModsCfg.AddMember(rapidjson_document::StringRefType(mod.Name.c_str()), true, m_EnabledModsCfg.GetAllocator()); + newModsDetected = true; + } + + // register convars + // for reloads, this is sorta barebones, when we have a good findconvar method, we could probably reset flags and stuff on + // preexisting convars note: we don't delete convars if they already exist because they're used for script stuff, unfortunately this + // causes us to leak memory on reload, but not much, potentially find a way to not do this at some point + for (ModConVar* convar : mod.ConVars) + { + // make sure convar isn't registered yet, unsure if necessary but idk what + // behaviour is for defining same convar multiple times + if (!g_pCVar->FindVar(convar->Name.c_str())) + { + new ConVar(convar->Name.c_str(), convar->DefaultValue.c_str(), convar->Flags, convar->HelpString.c_str()); + } + } + + for (ModConCommand* command : mod.ConCommands) + { + // make sure command isnt't registered multiple times. + if (!g_pCVar->FindCommand(command->Name.c_str())) + { + ConCommand* newCommand = new ConCommand(); + std::string funcName = command->Function; + RegisterConCommand(command->Name.c_str(), ModConCommandCallback, command->HelpString.c_str(), command->Flags); + } + } + + // read vpk paths + if (fs::exists(mod.m_ModDirectory / "vpk")) + { + // read vpk cfg + std::ifstream vpkJsonStream(mod.m_ModDirectory / "vpk/vpk.json"); + std::stringstream vpkJsonStringStream; + + bool bUseVPKJson = false; + rapidjson::Document dVpkJson; + + if (!vpkJsonStream.fail()) + { + while (vpkJsonStream.peek() != EOF) + vpkJsonStringStream << (char)vpkJsonStream.get(); + + vpkJsonStream.close(); + dVpkJson.Parse<rapidjson::ParseFlag::kParseCommentsFlag | rapidjson::ParseFlag::kParseTrailingCommasFlag>( + vpkJsonStringStream.str().c_str()); + + bUseVPKJson = !dVpkJson.HasParseError() && dVpkJson.IsObject(); + } + + for (fs::directory_entry file : fs::directory_iterator(mod.m_ModDirectory / "vpk")) + { + // a bunch of checks to make sure we're only adding dir vpks and their paths are good + // note: the game will literally only load vpks with the english prefix + if (fs::is_regular_file(file) && file.path().extension() == ".vpk" && + file.path().string().find("english") != std::string::npos && + file.path().string().find(".bsp.pak000_dir") != std::string::npos) + { + std::string formattedPath = file.path().filename().string(); + + // this really fucking sucks but it'll work + std::string vpkName = formattedPath.substr(strlen("english"), formattedPath.find(".bsp") - 3); + + ModVPKEntry& modVpk = mod.Vpks.emplace_back(); + modVpk.m_bAutoLoad = !bUseVPKJson || (dVpkJson.HasMember("Preload") && dVpkJson["Preload"].IsObject() && + dVpkJson["Preload"].HasMember(vpkName) && dVpkJson["Preload"][vpkName].IsTrue()); + modVpk.m_sVpkPath = (file.path().parent_path() / vpkName).string(); + + if (m_bHasLoadedMods && modVpk.m_bAutoLoad) + (*g_pFilesystem)->m_vtable->MountVPK(*g_pFilesystem, vpkName.c_str()); + } + } + } + + // read rpak paths + if (fs::exists(mod.m_ModDirectory / "paks")) + { + // read rpak cfg + std::ifstream rpakJsonStream(mod.m_ModDirectory / "paks/rpak.json"); + std::stringstream rpakJsonStringStream; + + bool bUseRpakJson = false; + rapidjson::Document dRpakJson; + + if (!rpakJsonStream.fail()) + { + while (rpakJsonStream.peek() != EOF) + rpakJsonStringStream << (char)rpakJsonStream.get(); + + rpakJsonStream.close(); + dRpakJson.Parse<rapidjson::ParseFlag::kParseCommentsFlag | rapidjson::ParseFlag::kParseTrailingCommasFlag>( + rpakJsonStringStream.str().c_str()); + + bUseRpakJson = !dRpakJson.HasParseError() && dRpakJson.IsObject(); + } + + // read pak aliases + if (bUseRpakJson && dRpakJson.HasMember("Aliases") && dRpakJson["Aliases"].IsObject()) + { + for (rapidjson::Value::ConstMemberIterator iterator = dRpakJson["Aliases"].MemberBegin(); + iterator != dRpakJson["Aliases"].MemberEnd(); + iterator++) + { + if (!iterator->name.IsString() || !iterator->value.IsString()) + continue; + + mod.RpakAliases.insert(std::make_pair(iterator->name.GetString(), iterator->value.GetString())); + } + } + + for (fs::directory_entry file : fs::directory_iterator(mod.m_ModDirectory / "paks")) + { + // ensure we're only loading rpaks + if (fs::is_regular_file(file) && file.path().extension() == ".rpak") + { + std::string pakName(file.path().filename().string()); + + ModRpakEntry& modPak = mod.Rpaks.emplace_back(); + modPak.m_bAutoLoad = + !bUseRpakJson || (dRpakJson.HasMember("Preload") && dRpakJson["Preload"].IsObject() && + dRpakJson["Preload"].HasMember(pakName) && dRpakJson["Preload"][pakName].IsTrue()); + + // postload things + if (!bUseRpakJson || + (dRpakJson.HasMember("Postload") && dRpakJson["Postload"].IsObject() && dRpakJson["Postload"].HasMember(pakName))) + modPak.m_sLoadAfterPak = dRpakJson["Postload"][pakName].GetString(); + + modPak.m_sPakName = pakName; + + // read header of file and get the starpak paths + // this is done here as opposed to on starpak load because multiple rpaks can load a starpak + // and there is seemingly no good way to tell which rpak is causing the load of a starpak :/ + + std::ifstream rpakStream(file.path(), std::ios::binary); + + // seek to the point in the header where the starpak reference size is + rpakStream.seekg(0x38, std::ios::beg); + int starpaksSize = 0; + rpakStream.read((char*)&starpaksSize, 2); + + // seek to just after the header + rpakStream.seekg(0x58, std::ios::beg); + // read the starpak reference(s) + std::vector<char> buf(starpaksSize); + rpakStream.read(buf.data(), starpaksSize); + + rpakStream.close(); + + // split the starpak reference(s) into strings to hash + std::string str = ""; + for (int i = 0; i < starpaksSize; i++) + { + // if the current char is null, that signals the end of the current starpak path + if (buf[i] != 0x00) + { + str += buf[i]; + } + else + { + // only add the string we are making if it isnt empty + if (!str.empty()) + { + mod.StarpakPaths.push_back(STR_HASH(str)); + spdlog::info("Mod {} registered starpak '{}'", mod.Name, str); + str = ""; + } + } + } + + // not using atm because we need to resolve path to rpak + // if (m_hasLoadedMods && modPak.m_bAutoLoad) + // g_pPakLoadManager->LoadPakAsync(pakName.c_str()); + } + } + } + + // read keyvalues paths + if (fs::exists(mod.m_ModDirectory / "keyvalues")) + { + for (fs::directory_entry file : fs::recursive_directory_iterator(mod.m_ModDirectory / "keyvalues")) + { + if (fs::is_regular_file(file)) + { + std::string kvStr = + g_pModManager->NormaliseModFilePath(file.path().lexically_relative(mod.m_ModDirectory / "keyvalues")); + mod.KeyValues.emplace(STR_HASH(kvStr), kvStr); + } + } + } + + // read pdiff + if (fs::exists(mod.m_ModDirectory / "mod.pdiff")) + { + std::ifstream pdiffStream(mod.m_ModDirectory / "mod.pdiff"); + + if (!pdiffStream.fail()) + { + std::stringstream pdiffStringStream; + while (pdiffStream.peek() != EOF) + pdiffStringStream << (char)pdiffStream.get(); + + pdiffStream.close(); + + mod.Pdiff = pdiffStringStream.str(); + } + } + + // read bink video paths + if (fs::exists(mod.m_ModDirectory / "media")) + { + for (fs::directory_entry file : fs::recursive_directory_iterator(mod.m_ModDirectory / "media")) + if (fs::is_regular_file(file) && file.path().extension() == ".bik") + mod.BinkVideos.push_back(file.path().filename().string()); + } + + // try to load audio + if (fs::exists(mod.m_ModDirectory / "audio")) + { + for (fs::directory_entry file : fs::directory_iterator(mod.m_ModDirectory / "audio")) + { + if (fs::is_regular_file(file) && file.path().extension().string() == ".json") + { + if (!g_CustomAudioManager.TryLoadAudioOverride(file.path())) + { + spdlog::warn("Mod {} has an invalid audio def {}", mod.Name, file.path().filename().string()); + continue; + } + } + } + } + } + + // If there are new mods, we write entries accordingly in enabledmods.json + if (newModsDetected) + { + std::ofstream writeStream(GetNorthstarPrefix() + "/enabledmods.json"); + rapidjson::OStreamWrapper writeStreamWrapper(writeStream); + rapidjson::PrettyWriter<rapidjson::OStreamWrapper> writer(writeStreamWrapper); + m_EnabledModsCfg.Accept(writer); + } + + // in a seperate loop because we register mod files in reverse order, since mods loaded later should have their files prioritised + for (int64_t i = m_LoadedMods.size() - 1; i > -1; i--) + { + if (!m_LoadedMods[i].m_bEnabled) + continue; + + if (fs::exists(m_LoadedMods[i].m_ModDirectory / MOD_OVERRIDE_DIR)) + { + for (fs::directory_entry file : fs::recursive_directory_iterator(m_LoadedMods[i].m_ModDirectory / MOD_OVERRIDE_DIR)) + { + std::string path = + g_pModManager->NormaliseModFilePath(file.path().lexically_relative(m_LoadedMods[i].m_ModDirectory / MOD_OVERRIDE_DIR)); + if (file.is_regular_file() && m_ModFiles.find(path) == m_ModFiles.end()) + { + ModOverrideFile modFile; + modFile.m_pOwningMod = &m_LoadedMods[i]; + modFile.m_Path = path; + m_ModFiles.insert(std::make_pair(path, modFile)); + } + } + } + } + + // build modinfo obj for masterserver + rapidjson_document modinfoDoc; + auto& alloc = modinfoDoc.GetAllocator(); + modinfoDoc.SetObject(); + modinfoDoc.AddMember("Mods", rapidjson::kArrayType, alloc); + + int currentModIndex = 0; + for (Mod& mod : m_LoadedMods) + { + if (!mod.m_bEnabled || (!mod.RequiredOnClient && !mod.Pdiff.size())) + continue; + + modinfoDoc["Mods"].PushBack(rapidjson::kObjectType, modinfoDoc.GetAllocator()); + modinfoDoc["Mods"][currentModIndex].AddMember("Name", rapidjson::StringRef(&mod.Name[0]), modinfoDoc.GetAllocator()); + modinfoDoc["Mods"][currentModIndex].AddMember("Version", rapidjson::StringRef(&mod.Version[0]), modinfoDoc.GetAllocator()); + modinfoDoc["Mods"][currentModIndex].AddMember("RequiredOnClient", mod.RequiredOnClient, modinfoDoc.GetAllocator()); + modinfoDoc["Mods"][currentModIndex].AddMember("Pdiff", rapidjson::StringRef(&mod.Pdiff[0]), modinfoDoc.GetAllocator()); + + currentModIndex++; + } + + rapidjson::StringBuffer buffer; + buffer.Clear(); + rapidjson::Writer<rapidjson::StringBuffer> writer(buffer); + modinfoDoc.Accept(writer); + g_pMasterServerManager->m_sOwnModInfoJson = std::string(buffer.GetString()); + + m_bHasLoadedMods = true; +} + +void ModManager::UnloadMods() +{ + // clean up stuff from mods before we unload + m_ModFiles.clear(); + fs::remove_all(GetCompiledAssetsPath()); + + g_CustomAudioManager.ClearAudioOverrides(); + + if (!m_bHasEnabledModsCfg) + m_EnabledModsCfg.SetObject(); + + for (Mod& mod : m_LoadedMods) + { + // remove all built kvs + for (std::pair<size_t, std::string> kvPaths : mod.KeyValues) + fs::remove(GetCompiledAssetsPath() / fs::path(kvPaths.second).lexically_relative(mod.m_ModDirectory)); + + mod.KeyValues.clear(); + + // write to m_enabledModsCfg + // should we be doing this here or should scripts be doing this manually? + // main issue with doing this here is when we reload mods for connecting to a server, we write enabled mods, which isn't necessarily + // what we wanna do + if (!m_EnabledModsCfg.HasMember(mod.Name.c_str())) + m_EnabledModsCfg.AddMember(rapidjson_document::StringRefType(mod.Name.c_str()), false, m_EnabledModsCfg.GetAllocator()); + + m_EnabledModsCfg[mod.Name.c_str()].SetBool(mod.m_bEnabled); + } + + std::ofstream writeStream(GetNorthstarPrefix() + "/enabledmods.json"); + rapidjson::OStreamWrapper writeStreamWrapper(writeStream); + rapidjson::PrettyWriter<rapidjson::OStreamWrapper> writer(writeStreamWrapper); + m_EnabledModsCfg.Accept(writer); + + // do we need to dealloc individual entries in m_loadedMods? idk, rework + m_LoadedMods.clear(); +} + +std::string ModManager::NormaliseModFilePath(const fs::path path) +{ + std::string str = path.lexically_normal().string(); + + // force to lowercase + for (char& c : str) + if (c <= 'Z' && c >= 'A') + c = c - ('Z' - 'z'); + + return str; +} + +void ModManager::CompileAssetsForFile(const char* filename) +{ + size_t fileHash = STR_HASH(NormaliseModFilePath(fs::path(filename))); + + if (fileHash == m_hScriptsRsonHash) + BuildScriptsRson(); + else if (fileHash == m_hPdefHash) + BuildPdef(); + else if (fileHash == m_hKBActHash) + BuildKBActionsList(); + else + { + // check if we should build keyvalues, depending on whether any of our mods have patch kvs for this file + for (Mod& mod : m_LoadedMods) + { + if (!mod.m_bEnabled) + continue; + + if (mod.KeyValues.find(fileHash) != mod.KeyValues.end()) + { + TryBuildKeyValues(filename); + return; + } + } + } +} + +void ConCommand_reload_mods(const CCommand& args) +{ + g_pModManager->LoadMods(); +} + +fs::path GetModFolderPath() +{ + return fs::path(GetNorthstarPrefix() + MOD_FOLDER_SUFFIX); +} +fs::path GetThunderstoreModFolderPath() +{ + return fs::path(GetNorthstarPrefix() + THUNDERSTORE_MOD_FOLDER_SUFFIX); +} +fs::path GetRemoteModFolderPath() +{ + return fs::path(GetNorthstarPrefix() + REMOTE_MOD_FOLDER_SUFFIX); +} +fs::path GetCompiledAssetsPath() +{ + return fs::path(GetNorthstarPrefix() + COMPILED_ASSETS_SUFFIX); +} + +ON_DLL_LOAD_RELIESON("engine.dll", ModManager, (ConCommand, MasterServer), (CModule module)) +{ + g_pModManager = new ModManager; + + RegisterConCommand("reload_mods", ConCommand_reload_mods, "reloads mods", FCVAR_NONE); +} |