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-rw-r--r--NorthstarDLL/mods/compiled/kb_act.cpp45
-rw-r--r--NorthstarDLL/mods/compiled/modkeyvalues.cpp107
-rw-r--r--NorthstarDLL/mods/compiled/modpdef.cpp119
-rw-r--r--NorthstarDLL/mods/compiled/modscriptsrson.cpp66
-rw-r--r--NorthstarDLL/mods/modmanager.cpp725
-rw-r--r--NorthstarDLL/mods/modmanager.h154
6 files changed, 1216 insertions, 0 deletions
diff --git a/NorthstarDLL/mods/compiled/kb_act.cpp b/NorthstarDLL/mods/compiled/kb_act.cpp
new file mode 100644
index 00000000..4a011dc7
--- /dev/null
+++ b/NorthstarDLL/mods/compiled/kb_act.cpp
@@ -0,0 +1,45 @@
+#include "pch.h"
+#include "mods/modmanager.h"
+#include "core/filesystem/filesystem.h"
+
+#include <fstream>
+
+const char* KB_ACT_PATH = "scripts\\kb_act.lst";
+
+// compiles the file kb_act.lst, that defines entries for keybindings in the options menu
+void ModManager::BuildKBActionsList()
+{
+ spdlog::info("Building kb_act.lst");
+
+ fs::create_directories(GetCompiledAssetsPath() / "scripts");
+ std::ofstream soCompiledKeys(GetCompiledAssetsPath() / KB_ACT_PATH, std::ios::binary);
+
+ // write vanilla file's content to compiled file
+ soCompiledKeys << R2::ReadVPKOriginalFile(KB_ACT_PATH);
+
+ for (Mod& mod : m_LoadedMods)
+ {
+ if (!mod.m_bEnabled)
+ continue;
+
+ // write content of each modded file to compiled file
+ std::ifstream siModKeys(mod.m_ModDirectory / "kb_act.lst");
+
+ if (siModKeys.good())
+ soCompiledKeys << siModKeys.rdbuf() << std::endl;
+
+ siModKeys.close();
+ }
+
+ soCompiledKeys.close();
+
+ // push to overrides
+ ModOverrideFile overrideFile;
+ overrideFile.m_pOwningMod = nullptr;
+ overrideFile.m_Path = KB_ACT_PATH;
+
+ if (m_ModFiles.find(KB_ACT_PATH) == m_ModFiles.end())
+ m_ModFiles.insert(std::make_pair(KB_ACT_PATH, overrideFile));
+ else
+ m_ModFiles[KB_ACT_PATH] = overrideFile;
+}
diff --git a/NorthstarDLL/mods/compiled/modkeyvalues.cpp b/NorthstarDLL/mods/compiled/modkeyvalues.cpp
new file mode 100644
index 00000000..774be0eb
--- /dev/null
+++ b/NorthstarDLL/mods/compiled/modkeyvalues.cpp
@@ -0,0 +1,107 @@
+#include "pch.h"
+#include "mods/modmanager.h"
+#include "core/filesystem/filesystem.h"
+
+#include <fstream>
+
+AUTOHOOK_INIT()
+
+void ModManager::TryBuildKeyValues(const char* filename)
+{
+ spdlog::info("Building KeyValues for file {}", filename);
+
+ std::string normalisedPath = g_pModManager->NormaliseModFilePath(fs::path(filename));
+ fs::path compiledPath = GetCompiledAssetsPath() / filename;
+ fs::path compiledDir = compiledPath.parent_path();
+ fs::create_directories(compiledDir);
+
+ fs::path kvPath(filename);
+ std::string ogFilePath = "mod_original_";
+ ogFilePath += kvPath.filename().string();
+
+ std::string newKvs = "// AUTOGENERATED: MOD PATCH KV\n";
+
+ int patchNum = 0;
+
+ // copy over patch kv files, and add #bases to new file, last mods' patches should be applied first
+ // note: #include should be identical but it's actually just broken, thanks respawn
+ for (int64_t i = m_LoadedMods.size() - 1; i > -1; i--)
+ {
+ if (!m_LoadedMods[i].m_bEnabled)
+ continue;
+
+ size_t fileHash = STR_HASH(normalisedPath);
+ auto modKv = m_LoadedMods[i].KeyValues.find(fileHash);
+ if (modKv != m_LoadedMods[i].KeyValues.end())
+ {
+ // should result in smth along the lines of #include "mod_patch_5_mp_weapon_car.txt"
+
+ std::string patchFilePath = "mod_patch_";
+ patchFilePath += std::to_string(patchNum++);
+ patchFilePath += "_";
+ patchFilePath += kvPath.filename().string();
+
+ newKvs += "#base \"";
+ newKvs += patchFilePath;
+ newKvs += "\"\n";
+
+ fs::remove(compiledDir / patchFilePath);
+
+ fs::copy_file(m_LoadedMods[i].m_ModDirectory / "keyvalues" / filename, compiledDir / patchFilePath);
+ }
+ }
+
+ // add original #base last, #bases don't override preexisting keys, including the ones we've just done
+ newKvs += "#base \"";
+ newKvs += ogFilePath;
+ newKvs += "\"\n";
+
+ // load original file, so we can parse out the name of the root obj (e.g. WeaponData for weapons)
+ std::string originalFile = R2::ReadVPKOriginalFile(filename);
+
+ if (!originalFile.length())
+ {
+ spdlog::warn("Tried to patch kv {} but no base kv was found!", ogFilePath);
+ return;
+ }
+
+ char rootName[64];
+ memset(rootName, 0, sizeof(rootName));
+
+ // iterate until we hit an ascii char that isn't in a # command or comment to get root obj name
+ int i = 0;
+ while (!(originalFile[i] >= 65 && originalFile[i] <= 122))
+ {
+ // if we hit a comment or # thing, iterate until end of line
+ if (originalFile[i] == '/' || originalFile[i] == '#')
+ while (originalFile[i] != '\n')
+ i++;
+
+ i++;
+ }
+
+ int j = 0;
+ for (int j = 0; originalFile[i] >= 65 && originalFile[i] <= 122; j++)
+ rootName[j] = originalFile[i++];
+
+ // empty kv, all the other stuff gets #base'd
+ newKvs += rootName;
+ newKvs += "\n{\n}\n";
+
+ std::ofstream originalFileWriteStream(compiledDir / ogFilePath, std::ios::binary);
+ originalFileWriteStream << originalFile;
+ originalFileWriteStream.close();
+
+ std::ofstream writeStream(compiledPath, std::ios::binary);
+ writeStream << newKvs;
+ writeStream.close();
+
+ ModOverrideFile overrideFile;
+ overrideFile.m_pOwningMod = nullptr;
+ overrideFile.m_Path = normalisedPath;
+
+ if (m_ModFiles.find(normalisedPath) == m_ModFiles.end())
+ m_ModFiles.insert(std::make_pair(normalisedPath, overrideFile));
+ else
+ m_ModFiles[normalisedPath] = overrideFile;
+}
diff --git a/NorthstarDLL/mods/compiled/modpdef.cpp b/NorthstarDLL/mods/compiled/modpdef.cpp
new file mode 100644
index 00000000..219c744b
--- /dev/null
+++ b/NorthstarDLL/mods/compiled/modpdef.cpp
@@ -0,0 +1,119 @@
+#include "pch.h"
+#include "mods/modmanager.h"
+#include "core/filesystem/filesystem.h"
+
+#include <map>
+#include <sstream>
+#include <fstream>
+
+const fs::path MOD_PDEF_SUFFIX = "cfg/server/persistent_player_data_version_231.pdef";
+const char* VPK_PDEF_PATH = "cfg/server/persistent_player_data_version_231.pdef";
+
+void ModManager::BuildPdef()
+{
+ spdlog::info("Building persistent_player_data_version_231.pdef...");
+
+ fs::path MOD_PDEF_PATH = fs::path(GetCompiledAssetsPath() / MOD_PDEF_SUFFIX);
+
+ fs::remove(MOD_PDEF_PATH);
+ std::string pdef = R2::ReadVPKOriginalFile(VPK_PDEF_PATH);
+
+ for (Mod& mod : m_LoadedMods)
+ {
+ if (!mod.m_bEnabled || !mod.Pdiff.size())
+ continue;
+
+ // this code probably isn't going to be pretty lol
+ // refer to shared/pjson.js for an actual okish parser of the pdiff format
+ // but pretty much, $ENUM_ADD blocks define members added to preexisting enums
+ // $PROP_START ends the custom stuff, and from there it's just normal props we append to the pdef
+
+ std::map<std::string, std::vector<std::string>> enumAdds;
+
+ // read pdiff
+ bool inEnum = false;
+ bool inProp = false;
+ std::string currentEnum;
+ std::string currentLine;
+ std::istringstream pdiffStream(mod.Pdiff);
+
+ while (std::getline(pdiffStream, currentLine))
+ {
+ if (inProp)
+ {
+ // just append to pdef here
+ pdef += currentLine;
+ pdef += '\n';
+ continue;
+ }
+
+ // trim leading whitespace
+ size_t start = currentLine.find_first_not_of(" \n\r\t\f\v");
+ size_t end = currentLine.find("//");
+ if (end == std::string::npos)
+ end = currentLine.size() - 1; // last char
+
+ if (!currentLine.size() || !currentLine.compare(start, 2, "//"))
+ continue;
+
+ if (inEnum)
+ {
+ if (!currentLine.compare(start, 9, "$ENUM_END"))
+ inEnum = false;
+ else
+ enumAdds[currentEnum].push_back(currentLine); // only need to push_back current line, if there's syntax errors then game
+ // pdef parser will handle them
+ }
+ else if (!currentLine.compare(start, 9, "$ENUM_ADD"))
+ {
+ inEnum = true;
+ currentEnum = currentLine.substr(start + 10 /*$ENUM_ADD + 1*/, currentLine.size() - end - (start + 10));
+ enumAdds.insert(std::make_pair(currentEnum, std::vector<std::string>()));
+ }
+ else if (!currentLine.compare(start, 11, "$PROP_START"))
+ {
+ inProp = true;
+ pdef += "\n// $PROP_START ";
+ pdef += mod.Name;
+ pdef += "\n";
+ }
+ }
+
+ // add new members to preexisting enums
+ // note: this code could 100% be messed up if people put //$ENUM_START comments and the like
+ // could make it protect against this, but honestly not worth atm
+ for (auto enumAdd : enumAdds)
+ {
+ std::string addStr;
+ for (std::string enumMember : enumAdd.second)
+ {
+ addStr += enumMember;
+ addStr += '\n';
+ }
+
+ // start of enum we're adding to
+ std::string startStr = "$ENUM_START ";
+ startStr += enumAdd.first;
+
+ // insert enum values into enum
+ size_t insertIdx = pdef.find("$ENUM_END", pdef.find(startStr));
+ pdef.reserve(addStr.size());
+ pdef.insert(insertIdx, addStr);
+ }
+ }
+
+ fs::create_directories(MOD_PDEF_PATH.parent_path());
+
+ std::ofstream writeStream(MOD_PDEF_PATH, std::ios::binary);
+ writeStream << pdef;
+ writeStream.close();
+
+ ModOverrideFile overrideFile;
+ overrideFile.m_pOwningMod = nullptr;
+ overrideFile.m_Path = VPK_PDEF_PATH;
+
+ if (m_ModFiles.find(VPK_PDEF_PATH) == m_ModFiles.end())
+ m_ModFiles.insert(std::make_pair(VPK_PDEF_PATH, overrideFile));
+ else
+ m_ModFiles[VPK_PDEF_PATH] = overrideFile;
+}
diff --git a/NorthstarDLL/mods/compiled/modscriptsrson.cpp b/NorthstarDLL/mods/compiled/modscriptsrson.cpp
new file mode 100644
index 00000000..15fcdd13
--- /dev/null
+++ b/NorthstarDLL/mods/compiled/modscriptsrson.cpp
@@ -0,0 +1,66 @@
+#include "pch.h"
+#include "mods/modmanager.h"
+#include "core/filesystem/filesystem.h"
+#include "squirrel/squirrel.h"
+
+#include <fstream>
+
+const std::string MOD_SCRIPTS_RSON_SUFFIX = "scripts/vscripts/scripts.rson";
+const char* VPK_SCRIPTS_RSON_PATH = "scripts\\vscripts\\scripts.rson";
+
+void ModManager::BuildScriptsRson()
+{
+ spdlog::info("Building custom scripts.rson");
+ fs::path MOD_SCRIPTS_RSON_PATH = fs::path(GetCompiledAssetsPath() / MOD_SCRIPTS_RSON_SUFFIX);
+ fs::remove(MOD_SCRIPTS_RSON_PATH);
+
+ std::string scriptsRson = R2::ReadVPKOriginalFile(VPK_SCRIPTS_RSON_PATH);
+ scriptsRson += "\n\n// START MODDED SCRIPT CONTENT\n\n"; // newline before we start custom stuff
+
+ for (Mod& mod : m_LoadedMods)
+ {
+ if (!mod.m_bEnabled)
+ continue;
+
+ // this isn't needed at all, just nice to have imo
+ scriptsRson += "// MOD: ";
+ scriptsRson += mod.Name;
+ scriptsRson += ":\n\n";
+
+ for (ModScript& script : mod.Scripts)
+ {
+ /* should create something with this format for each script
+ When: "CONTEXT"
+ Scripts:
+ [
+ _coolscript.gnut
+ ]*/
+
+ scriptsRson += "When: \"";
+ scriptsRson += script.RunOn;
+ scriptsRson += "\"\n";
+
+ scriptsRson += "Scripts:\n[\n\t";
+ scriptsRson += script.Path;
+ scriptsRson += "\n]\n\n";
+ }
+ }
+
+ fs::create_directories(MOD_SCRIPTS_RSON_PATH.parent_path());
+
+ std::ofstream writeStream(MOD_SCRIPTS_RSON_PATH, std::ios::binary);
+ writeStream << scriptsRson;
+ writeStream.close();
+
+ ModOverrideFile overrideFile;
+ overrideFile.m_pOwningMod = nullptr;
+ overrideFile.m_Path = VPK_SCRIPTS_RSON_PATH;
+
+ if (m_ModFiles.find(VPK_SCRIPTS_RSON_PATH) == m_ModFiles.end())
+ m_ModFiles.insert(std::make_pair(VPK_SCRIPTS_RSON_PATH, overrideFile));
+ else
+ m_ModFiles[VPK_SCRIPTS_RSON_PATH] = overrideFile;
+
+ // todo: for preventing dupe scripts in scripts.rson, we could actually parse when conditions with the squirrel vm, just need a way to
+ // get a result out of squirrelmanager.ExecuteCode this would probably be the best way to do this, imo
+}
diff --git a/NorthstarDLL/mods/modmanager.cpp b/NorthstarDLL/mods/modmanager.cpp
new file mode 100644
index 00000000..2196b118
--- /dev/null
+++ b/NorthstarDLL/mods/modmanager.cpp
@@ -0,0 +1,725 @@
+#include "pch.h"
+#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/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());
+ }
+ }
+
+ if (modJson.HasMember("Dependencies") && modJson["Dependencies"].IsObject())
+ {
+ for (auto v = modJson["Dependencies"].MemberBegin(); v != modJson["Dependencies"].MemberEnd(); v++)
+ {
+ if (!v->name.IsString() || !v->value.IsString())
+ continue;
+
+ spdlog::info("Constant {} defined by {} for mod {}", v->name.GetString(), Name, v->value.GetString());
+ if (DependencyConstants.find(v->name.GetString()) != DependencyConstants.end() &&
+ v->value.GetString() != DependencyConstants[v->name.GetString()])
+ {
+ spdlog::error("A dependency constant with the same name already exists for another mod. Change the constant name.");
+ return;
+ }
+
+ if (DependencyConstants.find(v->name.GetString()) == DependencyConstants.end())
+ DependencyConstants.emplace(v->name.GetString(), v->value.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
+ );
+ m_hKBActHash = STR_HASH("scripts\\kb_act.lst");
+
+ LoadMods();
+}
+
+void ModManager::LoadMods()
+{
+ if (m_bHasLoadedMods)
+ UnloadMods();
+
+ std::vector<fs::path> modDirs;
+
+ // ensure dirs exist
+ fs::remove_all(GetCompiledAssetsPath());
+ fs::create_directories(GetModFolderPath());
+
+ 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
+ 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());
+
+ for (auto& pair : mod.DependencyConstants)
+ {
+ if (m_DependencyConstants.find(pair.first) != m_DependencyConstants.end() && m_DependencyConstants[pair.first] != pair.second)
+ {
+ spdlog::error("Constant {} in mod {} already exists in another mod.", pair.first, mod.Name);
+ mod.m_bWasReadSuccessfully = false;
+ break;
+ }
+ if (m_DependencyConstants.find(pair.first) == m_DependencyConstants.end())
+ m_DependencyConstants.emplace(pair);
+ }
+
+ 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 = 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)
+ (*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());
+
+ // 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;
+ }
+ }
+ }
+ }
+ }
+
+ // 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::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 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 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);
+}
diff --git a/NorthstarDLL/mods/modmanager.h b/NorthstarDLL/mods/modmanager.h
new file mode 100644
index 00000000..a77d85bd
--- /dev/null
+++ b/NorthstarDLL/mods/modmanager.h
@@ -0,0 +1,154 @@
+#pragma once
+#include "core/convar/convar.h"
+#include "core/memalloc.h"
+#include "squirrel/squirrel.h"
+
+#include "rapidjson/document.h"
+#include <string>
+#include <vector>
+#include <filesystem>
+
+const std::string MOD_FOLDER_SUFFIX = "/mods";
+const std::string REMOTE_MOD_FOLDER_SUFFIX = "/runtime/remote/mods";
+const fs::path MOD_OVERRIDE_DIR = "mod";
+const std::string COMPILED_ASSETS_SUFFIX = "/runtime/compiled";
+
+struct ModConVar
+{
+ public:
+ std::string Name;
+ std::string DefaultValue;
+ std::string HelpString;
+ int Flags;
+};
+
+struct ModScriptCallback
+{
+ public:
+ ScriptContext Context;
+
+ // called before the codecallback is executed
+ std::string BeforeCallback;
+ // called after the codecallback has finished executing
+ std::string AfterCallback;
+};
+
+struct ModScript
+{
+ public:
+ std::string Path;
+ std::string RunOn;
+
+ std::vector<ModScriptCallback> Callbacks;
+};
+
+// these are pretty much identical, could refactor to use the same stuff?
+struct ModVPKEntry
+{
+ public:
+ bool m_bAutoLoad;
+ std::string m_sVpkPath;
+};
+
+struct ModRpakEntry
+{
+ public:
+ bool m_bAutoLoad;
+ std::string m_sPakName;
+ std::string m_sLoadAfterPak;
+};
+
+class Mod
+{
+ public:
+ // runtime stuff
+ bool m_bEnabled = true;
+ bool m_bWasReadSuccessfully = false;
+ fs::path m_ModDirectory;
+ // bool m_bIsRemote;
+
+ // mod.json stuff:
+
+ // the mod's name
+ std::string Name;
+ // the mod's description
+ std::string Description;
+ // the mod's version, should be in semver
+ std::string Version;
+ // a download link to the mod, for clients that try to join without the mod
+ std::string DownloadLink;
+
+ // whether clients need the mod to join servers running this mod
+ bool RequiredOnClient;
+ // the priority for this mod's files, mods with prio 0 are loaded first, then 1, then 2, etc
+ int LoadPriority;
+
+ // custom scripts used by the mod
+ std::vector<ModScript> Scripts;
+ // convars created by the mod
+ std::vector<ModConVar*> ConVars;
+ // custom localisation files created by the mod
+ std::vector<std::string> LocalisationFiles;
+
+ // other files:
+
+ std::vector<ModVPKEntry> Vpks;
+ std::unordered_map<size_t, std::string> KeyValues;
+ std::vector<std::string> BinkVideos;
+ std::string Pdiff; // only need one per mod
+
+ std::vector<ModRpakEntry> Rpaks;
+ std::unordered_map<std::string, std::string>
+ RpakAliases; // paks we alias to other rpaks, e.g. to load sp_crashsite paks on the map mp_crashsite
+ std::vector<size_t> StarpakPaths; // starpaks that this mod contains
+ // there seems to be no nice way to get the rpak that is causing the load of a starpak?
+ // hashed with STR_HASH
+
+ std::unordered_map<std::string, std::string> DependencyConstants;
+
+ public:
+ Mod(fs::path modPath, char* jsonBuf);
+};
+
+struct ModOverrideFile
+{
+ public:
+ Mod* m_pOwningMod;
+ fs::path m_Path;
+};
+
+class ModManager
+{
+ private:
+ bool m_bHasLoadedMods = false;
+ bool m_bHasEnabledModsCfg;
+ rapidjson_document m_EnabledModsCfg;
+
+ // precalculated hashes
+ size_t m_hScriptsRsonHash;
+ size_t m_hPdefHash;
+ size_t m_hKBActHash;
+
+ public:
+ std::vector<Mod> m_LoadedMods;
+ std::unordered_map<std::string, ModOverrideFile> m_ModFiles;
+ std::unordered_map<std::string, std::string> m_DependencyConstants;
+
+ public:
+ ModManager();
+ void LoadMods();
+ void UnloadMods();
+ std::string NormaliseModFilePath(const fs::path path);
+ void CompileAssetsForFile(const char* filename);
+
+ // compile asset type stuff, these are done in files under runtime/compiled/
+ void BuildScriptsRson();
+ void TryBuildKeyValues(const char* filename);
+ void BuildPdef();
+ void BuildKBActionsList();
+};
+
+fs::path GetModFolderPath();
+fs::path GetCompiledAssetsPath();
+
+extern ModManager* g_pModManager;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 04:40:12 +0000