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-rw-r--r--NorthstarDLL/modmanager.cpp1288
1 files changed, 644 insertions, 644 deletions
diff --git a/NorthstarDLL/modmanager.cpp b/NorthstarDLL/modmanager.cpp
index 61554faf..76280ef9 100644
--- a/NorthstarDLL/modmanager.cpp
+++ b/NorthstarDLL/modmanager.cpp
@@ -1,644 +1,644 @@
-#include "pch.h"
-#include "modmanager.h"
-#include "convar.h"
-#include "concommand.h"
-#include "audio.h"
-#include "masterserver.h"
-#include "filesystem.h"
-#include "rpakfilesystem.h"
-#include "nsprefix.h"
-
-#include "rapidjson/error/en.h"
-#include "rapidjson/document.h"
-#include "rapidjson/ostreamwrapper.h"
-#include "rapidjson/writer.h"
-#include <filesystem>
-#include <fstream>
-#include <string>
-#include <sstream>
-#include <vector>
-
-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);
-
- // 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();
-
- 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;
- }
-
- // mod convars
- if (modJson.HasMember("ConVars") && modJson["ConVars"].IsArray())
- {
- for (auto& convarObj : modJson["ConVars"].GetArray())
- {
- if (!convarObj.IsObject() || !convarObj.HasMember("Name") || !convarObj.HasMember("DefaultValue"))
- 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
-
- std::string sFlags = convarObj["Flags"].GetString();
- sFlags += '|'; // add additional | so we register the last flag
- std::string sCurrentFlag;
-
- for (int i = 0; i < sFlags.length(); i++)
- {
- if (isspace(sFlags[i]))
- continue;
-
- // if we encounter a |, add current string as a flag
- if (sFlags[i] == '|')
- {
- bool bHasFlags = false;
- int iCurrentFlags;
-
- for (auto& flagPair : g_PrintCommandFlags)
- {
- if (!sCurrentFlag.compare(flagPair.second))
- {
- iCurrentFlags = flagPair.first;
- bHasFlags = true;
- break;
- }
- }
-
- if (bHasFlags)
- convar->Flags |= iCurrentFlags;
- else
- spdlog::warn("Mod ConVar {} has unknown flag {}", convar->Name, sCurrentFlag);
-
- sCurrentFlag = "";
- }
- else
- sCurrentFlag += sFlags[i];
- }
- }
- }
-
- ConVars.push_back(convar);
- }
- }
-
- // mod scripts
- if (modJson.HasMember("Scripts") && modJson["Scripts"].IsArray())
- {
- for (auto& scriptObj : modJson["Scripts"].GetArray())
- {
- if (!scriptObj.IsObject() || !scriptObj.HasMember("Path") || !scriptObj.HasMember("RunOn"))
- continue;
-
- ModScript script;
-
- script.Path = scriptObj["Path"].GetString();
- script.RunOn = scriptObj["RunOn"].GetString();
-
- if (scriptObj.HasMember("ServerCallback") && scriptObj["ServerCallback"].IsObject())
- {
- ModScriptCallback callback;
- callback.Context = ScriptContext::SERVER;
-
- if (scriptObj["ServerCallback"].HasMember("Before") && scriptObj["ServerCallback"]["Before"].IsString())
- callback.BeforeCallback = scriptObj["ServerCallback"]["Before"].GetString();
-
- if (scriptObj["ServerCallback"].HasMember("After") && scriptObj["ServerCallback"]["After"].IsString())
- callback.AfterCallback = scriptObj["ServerCallback"]["After"].GetString();
-
- script.Callbacks.push_back(callback);
- }
-
- if (scriptObj.HasMember("ClientCallback") && scriptObj["ClientCallback"].IsObject())
- {
- ModScriptCallback callback;
- callback.Context = ScriptContext::CLIENT;
-
- if (scriptObj["ClientCallback"].HasMember("Before") && scriptObj["ClientCallback"]["Before"].IsString())
- callback.BeforeCallback = scriptObj["ClientCallback"]["Before"].GetString();
-
- if (scriptObj["ClientCallback"].HasMember("After") && scriptObj["ClientCallback"]["After"].IsString())
- callback.AfterCallback = scriptObj["ClientCallback"]["After"].GetString();
-
- script.Callbacks.push_back(callback);
- }
-
- if (scriptObj.HasMember("UICallback") && scriptObj["UICallback"].IsObject())
- {
- ModScriptCallback callback;
- callback.Context = ScriptContext::UI;
-
- if (scriptObj["UICallback"].HasMember("Before") && scriptObj["UICallback"]["Before"].IsString())
- callback.BeforeCallback = scriptObj["UICallback"]["Before"].GetString();
-
- if (scriptObj["UICallback"].HasMember("After") && scriptObj["UICallback"]["After"].IsString())
- callback.AfterCallback = scriptObj["UICallback"]["After"].GetString();
-
- script.Callbacks.push_back(callback);
- }
-
- Scripts.push_back(script);
- }
- }
-
- if (modJson.HasMember("Localisation") && modJson["Localisation"].IsArray())
- {
- for (auto& localisationStr : modJson["Localisation"].GetArray())
- {
- if (!localisationStr.IsString())
- continue;
-
- LocalisationFiles.push_back(localisationStr.GetString());
- }
- }
-
- m_bWasReadSuccessfully = true;
-}
-
-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
- );
-
- LoadMods();
-}
-
-void ModManager::LoadMods()
-{
- if (m_bHasLoadedMods)
- UnloadMods();
-
- std::vector<fs::path> modDirs;
-
- // ensure dirs exist
- fs::remove_all(GetCompiledAssetsPath());
- fs::create_directories(GetModFolderPath());
-
- // 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
- for (fs::directory_entry dir : fs::directory_iterator(GetModFolderPath()))
- if (fs::exists(dir.path() / "mod.json"))
- modDirs.push_back(dir.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 {} has a directory but no mod.json", modDir.string());
- continue;
- }
-
- while (jsonStream.peek() != EOF)
- jsonStringStream << (char)jsonStream.get();
-
- jsonStream.close();
-
- Mod mod(modDir, (char*)jsonStringStream.str().c_str());
-
- 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)
- {
- spdlog::info("Loaded mod {} successfully", mod.Name);
- if (mod.m_bEnabled)
- spdlog::info("Mod {} is enabled", mod.Name);
- else
- spdlog::info("Mod {} is disabled", mod.Name);
-
- m_LoadedMods.push_back(mod);
- }
- else
- spdlog::warn("Skipping loading mod file {}", (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; });
-
- for (Mod& mod : m_LoadedMods)
- {
- if (!mod.m_bEnabled)
- continue;
-
- // 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)
- if (!R2::g_pCVar->FindVar(convar->Name.c_str())) // make sure convar isn't registered yet, unsure if necessary but idk what
- // behaviour is for defining same convar multiple times
- new ConVar(convar->Name.c_str(), convar->DefaultValue.c_str(), convar->Flags, convar->HelpString.c_str());
-
- // 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 =
- (file.path().parent_path() / formattedPath.substr(strlen("english"), formattedPath.find(".bsp") - 3)).string();
-
- 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 = vpkName;
-
- if (m_bHasLoadedMods && modVpk.m_bAutoLoad)
- (*R2::g_pFilesystem)->m_vtable->MountVPK(*R2::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());
- modPak.m_sPakName = pakName;
-
- // 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;
- }
- }
- }
- }
- }
-
- // 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;
- modinfoDoc.SetObject();
- modinfoDoc.AddMember("Mods", rapidjson_document::GenericValue(rapidjson::kArrayType), modinfoDoc.GetAllocator());
-
- int currentModIndex = 0;
- for (Mod& mod : m_LoadedMods)
- {
- if (!mod.m_bEnabled || (!mod.RequiredOnClient && !mod.Pdiff.size()))
- continue;
-
- modinfoDoc["Mods"].PushBack(rapidjson_document::GenericValue(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()),
- rapidjson_document::GenericValue(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::Writer<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
- {
- // 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 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);
-} \ No newline at end of file
+#include "pch.h"
+#include "modmanager.h"
+#include "convar.h"
+#include "concommand.h"
+#include "audio.h"
+#include "masterserver.h"
+#include "filesystem.h"
+#include "rpakfilesystem.h"
+#include "nsprefix.h"
+
+#include "rapidjson/error/en.h"
+#include "rapidjson/document.h"
+#include "rapidjson/ostreamwrapper.h"
+#include "rapidjson/writer.h"
+#include <filesystem>
+#include <fstream>
+#include <string>
+#include <sstream>
+#include <vector>
+
+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);
+
+ // 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();
+
+ 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;
+ }
+
+ // mod convars
+ if (modJson.HasMember("ConVars") && modJson["ConVars"].IsArray())
+ {
+ for (auto& convarObj : modJson["ConVars"].GetArray())
+ {
+ if (!convarObj.IsObject() || !convarObj.HasMember("Name") || !convarObj.HasMember("DefaultValue"))
+ 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
+
+ std::string sFlags = convarObj["Flags"].GetString();
+ sFlags += '|'; // add additional | so we register the last flag
+ std::string sCurrentFlag;
+
+ for (int i = 0; i < sFlags.length(); i++)
+ {
+ if (isspace(sFlags[i]))
+ continue;
+
+ // if we encounter a |, add current string as a flag
+ if (sFlags[i] == '|')
+ {
+ bool bHasFlags = false;
+ int iCurrentFlags;
+
+ for (auto& flagPair : g_PrintCommandFlags)
+ {
+ if (!sCurrentFlag.compare(flagPair.second))
+ {
+ iCurrentFlags = flagPair.first;
+ bHasFlags = true;
+ break;
+ }
+ }
+
+ if (bHasFlags)
+ convar->Flags |= iCurrentFlags;
+ else
+ spdlog::warn("Mod ConVar {} has unknown flag {}", convar->Name, sCurrentFlag);
+
+ sCurrentFlag = "";
+ }
+ else
+ sCurrentFlag += sFlags[i];
+ }
+ }
+ }
+
+ ConVars.push_back(convar);
+ }
+ }
+
+ // mod scripts
+ if (modJson.HasMember("Scripts") && modJson["Scripts"].IsArray())
+ {
+ for (auto& scriptObj : modJson["Scripts"].GetArray())
+ {
+ if (!scriptObj.IsObject() || !scriptObj.HasMember("Path") || !scriptObj.HasMember("RunOn"))
+ continue;
+
+ ModScript script;
+
+ script.Path = scriptObj["Path"].GetString();
+ script.RunOn = scriptObj["RunOn"].GetString();
+
+ if (scriptObj.HasMember("ServerCallback") && scriptObj["ServerCallback"].IsObject())
+ {
+ ModScriptCallback callback;
+ callback.Context = ScriptContext::SERVER;
+
+ if (scriptObj["ServerCallback"].HasMember("Before") && scriptObj["ServerCallback"]["Before"].IsString())
+ callback.BeforeCallback = scriptObj["ServerCallback"]["Before"].GetString();
+
+ if (scriptObj["ServerCallback"].HasMember("After") && scriptObj["ServerCallback"]["After"].IsString())
+ callback.AfterCallback = scriptObj["ServerCallback"]["After"].GetString();
+
+ script.Callbacks.push_back(callback);
+ }
+
+ if (scriptObj.HasMember("ClientCallback") && scriptObj["ClientCallback"].IsObject())
+ {
+ ModScriptCallback callback;
+ callback.Context = ScriptContext::CLIENT;
+
+ if (scriptObj["ClientCallback"].HasMember("Before") && scriptObj["ClientCallback"]["Before"].IsString())
+ callback.BeforeCallback = scriptObj["ClientCallback"]["Before"].GetString();
+
+ if (scriptObj["ClientCallback"].HasMember("After") && scriptObj["ClientCallback"]["After"].IsString())
+ callback.AfterCallback = scriptObj["ClientCallback"]["After"].GetString();
+
+ script.Callbacks.push_back(callback);
+ }
+
+ if (scriptObj.HasMember("UICallback") && scriptObj["UICallback"].IsObject())
+ {
+ ModScriptCallback callback;
+ callback.Context = ScriptContext::UI;
+
+ if (scriptObj["UICallback"].HasMember("Before") && scriptObj["UICallback"]["Before"].IsString())
+ callback.BeforeCallback = scriptObj["UICallback"]["Before"].GetString();
+
+ if (scriptObj["UICallback"].HasMember("After") && scriptObj["UICallback"]["After"].IsString())
+ callback.AfterCallback = scriptObj["UICallback"]["After"].GetString();
+
+ script.Callbacks.push_back(callback);
+ }
+
+ Scripts.push_back(script);
+ }
+ }
+
+ if (modJson.HasMember("Localisation") && modJson["Localisation"].IsArray())
+ {
+ for (auto& localisationStr : modJson["Localisation"].GetArray())
+ {
+ if (!localisationStr.IsString())
+ continue;
+
+ LocalisationFiles.push_back(localisationStr.GetString());
+ }
+ }
+
+ m_bWasReadSuccessfully = true;
+}
+
+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
+ );
+
+ LoadMods();
+}
+
+void ModManager::LoadMods()
+{
+ if (m_bHasLoadedMods)
+ UnloadMods();
+
+ std::vector<fs::path> modDirs;
+
+ // ensure dirs exist
+ fs::remove_all(GetCompiledAssetsPath());
+ fs::create_directories(GetModFolderPath());
+
+ // 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
+ for (fs::directory_entry dir : fs::directory_iterator(GetModFolderPath()))
+ if (fs::exists(dir.path() / "mod.json"))
+ modDirs.push_back(dir.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 {} has a directory but no mod.json", modDir.string());
+ continue;
+ }
+
+ while (jsonStream.peek() != EOF)
+ jsonStringStream << (char)jsonStream.get();
+
+ jsonStream.close();
+
+ Mod mod(modDir, (char*)jsonStringStream.str().c_str());
+
+ 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)
+ {
+ spdlog::info("Loaded mod {} successfully", mod.Name);
+ if (mod.m_bEnabled)
+ spdlog::info("Mod {} is enabled", mod.Name);
+ else
+ spdlog::info("Mod {} is disabled", mod.Name);
+
+ m_LoadedMods.push_back(mod);
+ }
+ else
+ spdlog::warn("Skipping loading mod file {}", (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; });
+
+ for (Mod& mod : m_LoadedMods)
+ {
+ if (!mod.m_bEnabled)
+ continue;
+
+ // 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)
+ if (!R2::g_pCVar->FindVar(convar->Name.c_str())) // make sure convar isn't registered yet, unsure if necessary but idk what
+ // behaviour is for defining same convar multiple times
+ new ConVar(convar->Name.c_str(), convar->DefaultValue.c_str(), convar->Flags, convar->HelpString.c_str());
+
+ // 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 =
+ (file.path().parent_path() / formattedPath.substr(strlen("english"), formattedPath.find(".bsp") - 3)).string();
+
+ 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 = vpkName;
+
+ if (m_bHasLoadedMods && modVpk.m_bAutoLoad)
+ (*R2::g_pFilesystem)->m_vtable->MountVPK(*R2::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());
+ modPak.m_sPakName = pakName;
+
+ // 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;
+ }
+ }
+ }
+ }
+ }
+
+ // 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;
+ modinfoDoc.SetObject();
+ modinfoDoc.AddMember("Mods", rapidjson_document::GenericValue(rapidjson::kArrayType), modinfoDoc.GetAllocator());
+
+ int currentModIndex = 0;
+ for (Mod& mod : m_LoadedMods)
+ {
+ if (!mod.m_bEnabled || (!mod.RequiredOnClient && !mod.Pdiff.size()))
+ continue;
+
+ modinfoDoc["Mods"].PushBack(rapidjson_document::GenericValue(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()),
+ rapidjson_document::GenericValue(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::Writer<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
+ {
+ // 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 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);
+}