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#include "pluginmanager.h"
#include <regex>
#include "plugins.h"
#include "config/profile.h"
#include "core/convar/concommand.h"
PluginManager* g_pPluginManager;
const std::vector<Plugin>& PluginManager::GetLoadedPlugins() const
{
return this->plugins;
}
const std::optional<Plugin> PluginManager::GetPlugin(HMODULE handle) const
{
for (const Plugin& plugin : GetLoadedPlugins())
if (plugin.m_handle == handle)
return plugin;
return std::nullopt;
}
void PluginManager::LoadPlugin(fs::path path, bool reloaded)
{
Plugin plugin = Plugin(path.string());
if (!plugin.IsValid())
{
NS::log::PLUGINSYS->warn("Unloading invalid plugin '{}'", path.string());
plugin.Unload();
return;
}
plugins.push_back(plugin);
plugin.Init(reloaded);
}
inline void FindPlugins(fs::path pluginPath, std::vector<fs::path>& paths)
{
// ensure dirs exist
if (!fs::exists(pluginPath) || !fs::is_directory(pluginPath))
{
return;
}
for (const fs::directory_entry& entry : fs::directory_iterator(pluginPath))
{
if (fs::is_regular_file(entry) && entry.path().extension() == ".dll")
paths.emplace_back(entry.path());
}
}
bool PluginManager::LoadPlugins(bool reloaded)
{
if (strstr(GetCommandLineA(), "-noplugins") != NULL)
{
NS::log::PLUGINSYS->warn("-noplugins detected; skipping loading plugins");
return false;
}
fs::create_directories(GetThunderstoreModFolderPath());
std::vector<fs::path> paths;
pluginPath = GetNorthstarPrefix() + "\\plugins";
fs::path libPath = fs::absolute(pluginPath + "\\lib");
if (fs::exists(libPath) && fs::is_directory(libPath))
AddDllDirectory(libPath.wstring().c_str());
FindPlugins(pluginPath, paths);
// Special case for Thunderstore mods dir
std::filesystem::directory_iterator thunderstoreModsDir = fs::directory_iterator(GetThunderstoreModFolderPath());
// 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_entry dir : thunderstoreModsDir)
{
fs::path pluginsDir = dir.path() / "plugins";
// 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 package that doesn't match
}
fs::path libDir = fs::absolute(pluginsDir / "lib");
if (fs::exists(libDir) && fs::is_directory(libDir))
AddDllDirectory(libDir.wstring().c_str());
FindPlugins(pluginsDir, paths);
}
if (paths.empty())
{
NS::log::PLUGINSYS->warn("Could not find any plugins. Skipped loading plugins");
return false;
}
for (fs::path path : paths)
{
LoadPlugin(path, reloaded);
}
InformAllPluginsInitialized();
return true;
}
void PluginManager::ReloadPlugins()
{
for (const Plugin& plugin : this->GetLoadedPlugins())
{
plugin.Unload();
}
this->plugins.clear();
this->LoadPlugins(true);
}
void PluginManager::RemovePlugin(HMODULE handle)
{
for (size_t i = 0; i < plugins.size(); i++)
{
Plugin* plugin = &plugins[i];
if (plugin->m_handle == handle)
{
plugins.erase(plugins.begin() + i);
return;
}
}
}
void PluginManager::InformAllPluginsInitialized() const
{
for (const Plugin& plugin : GetLoadedPlugins())
{
plugin.Finalize();
}
}
void PluginManager::InformSqvmCreated(CSquirrelVM* sqvm) const
{
for (const Plugin& plugin : GetLoadedPlugins())
{
plugin.OnSqvmCreated(sqvm);
}
}
void PluginManager::InformSqvmDestroying(CSquirrelVM* sqvm) const
{
for (const Plugin& plugin : GetLoadedPlugins())
{
plugin.OnSqvmDestroying(sqvm);
}
}
void PluginManager::InformDllLoad(HMODULE module, fs::path path) const
{
std::string fn = path.filename().string(); // without this the string gets freed immediately lmao
const char* filename = fn.c_str();
for (const Plugin& plugin : GetLoadedPlugins())
{
plugin.OnLibraryLoaded(module, filename);
}
}
void PluginManager::RunFrame() const
{
for (const Plugin& plugin : GetLoadedPlugins())
{
plugin.RunFrame();
}
}
void ConCommand_reload_plugins(const CCommand& args)
{
g_pPluginManager->ReloadPlugins();
}
ON_DLL_LOAD_RELIESON("engine.dll", PluginManager, ConCommand, (CModule module))
{
RegisterConCommand("reload_plugins", ConCommand_reload_plugins, "reloads plugins", FCVAR_NONE);
}
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