Plugin system v2 (#343)

* Some work

* Rewrite gamestate presence

* Add plugin system logger

* Format changes

* Format chjange

* Fix gamestate stuff

* some callback stuff

* move around invite stuff

* move invite to funcs

* fix presence server data

* Actually call InformSQVMCreated

* bruh

* Fix TODO's

* Formatting

* Fix filters

* Add InformDLLLoads

* Fix plugin handle always being 0

* Formatting

* Fix merge issues

* Formatting

* Mods can add files compiled at SQVM init

* Some Small Fixes

* Add changes from review

* Fix load failure

* Add new squirrel functions

* actually call InformSQVMDestroyed

* add CreateObject function

* answers to complaints

* remove snake cases from GameStatePresence

---------

Co-authored-by: cat_or_not <41955154+catornot@users.noreply.github.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/NorthstarDLL/plugins/pluginbackend.cpp b/NorthstarDLL/plugins/pluginbackend.cpp
new file mode 100644
index 00000000..b442d702
--- /dev/null
+++ b/NorthstarDLL/plugins/pluginbackend.cpp
@@ -0,0 +1,94 @@
+#include "pch.h"
+#include "pluginbackend.h"
+#include "plugin_abi.h"
+#include "server/serverpresence.h"
+#include "masterserver/masterserver.h"
+#include "squirrel/squirrel.h"
+#include "plugins.h"
+
+#include "core/convar/concommand.h"
+
+#define EXPORT extern "C" __declspec(dllexport)
+
+AUTOHOOK_INIT()
+
+PluginCommunicationHandler* g_pPluginCommunicationhandler;
+
+static PluginDataRequest storedRequest {PluginDataRequestType::END, (PluginRespondDataCallable) nullptr};
+
+void init_plugincommunicationhandler()
+{
+	g_pPluginCommunicationhandler = new PluginCommunicationHandler;
+	g_pPluginCommunicationhandler->requestQueue = {};
+}
+
+void PluginCommunicationHandler::RunFrame()
+{
+	std::lock_guard<std::mutex> lock(requestMutex);
+	if (!requestQueue.empty())
+	{
+		storedRequest = requestQueue.front();
+		switch (storedRequest.type)
+		{
+		default:
+			spdlog::error("{} was called with invalid request type '{}'", __FUNCTION__, static_cast<int>(storedRequest.type));
+		}
+		requestQueue.pop();
+	}
+}
+
+void PluginCommunicationHandler::PushRequest(PluginDataRequestType type, PluginRespondDataCallable func)
+{
+	std::lock_guard<std::mutex> lock(requestMutex);
+	requestQueue.push(PluginDataRequest {type, func});
+}
+
+void PluginCommunicationHandler::GeneratePresenceObjects()
+{
+	PluginGameStatePresence presence {};
+
+	presence.id = g_pGameStatePresence->id.c_str();
+	presence.name = g_pGameStatePresence->name.c_str();
+	presence.description = g_pGameStatePresence->description.c_str();
+	presence.password = g_pGameStatePresence->password.c_str();
+
+	presence.isServer = g_pGameStatePresence->isServer;
+	presence.isLocal = g_pGameStatePresence->isLocal;
+
+	if (g_pGameStatePresence->isLoading)
+		presence.state = GameState::LOADING;
+	else if (g_pGameStatePresence->uiMap == "")
+		presence.state = GameState::MAINMENU;
+	else if (g_pGameStatePresence->map == "mp_lobby" && g_pGameStatePresence->isLocal && g_pGameStatePresence->isLobby)
+		presence.state = GameState::LOBBY;
+	else
+		presence.state = GameState::INGAME;
+
+	presence.map = g_pGameStatePresence->map.c_str();
+	presence.mapDisplayname = g_pGameStatePresence->mapDisplayname.c_str();
+	presence.playlist = g_pGameStatePresence->playlist.c_str();
+	presence.playlistDisplayname = g_pGameStatePresence->playlistDisplayname.c_str();
+
+	presence.currentPlayers = g_pGameStatePresence->currentPlayers;
+	presence.maxPlayers = g_pGameStatePresence->maxPlayers;
+	presence.ownScore = g_pGameStatePresence->ownScore;
+	presence.otherHighestScore = g_pGameStatePresence->otherHighestScore;
+	presence.maxScore = g_pGameStatePresence->maxScore;
+	presence.timestampEnd = g_pGameStatePresence->timestampEnd;
+	g_pPluginManager->PushPresence(&presence);
+}
+
+ON_DLL_LOAD_RELIESON("engine.dll", PluginBackendEngine, ConCommand, (CModule module))
+{
+	g_pPluginManager->InformDLLLoad(PluginLoadDLL::ENGINE, &g_pPluginCommunicationhandler->m_sEngineData);
+}
+
+ON_DLL_LOAD_RELIESON("client.dll", PluginBackendClient, ConCommand, (CModule module))
+{
+	g_pPluginManager->InformDLLLoad(PluginLoadDLL::CLIENT, nullptr);
+}
+
+ON_DLL_LOAD_RELIESON("server.dll", PluginBackendServer, ConCommand, (CModule module))
+{
+	g_pPluginManager->InformDLLLoad(PluginLoadDLL::SERVER, nullptr);
+}