rename project folder (:tf: commit log)

1 files changed, 382 insertions, 0 deletions

diff --git a/NorthstarDLL/squirrel.cpp b/NorthstarDLL/squirrel.cpp
new file mode 100644
index 00000000..166fe277
--- /dev/null
+++ b/NorthstarDLL/squirrel.cpp
@@ -0,0 +1,382 @@
+#include "pch.h"
+#include "squirrel.h"
+#include "concommand.h"
+#include "modmanager.h"
+#include "r2engine.h"
+#include "NSMem.h"
+
+RegisterSquirrelFuncType ClientRegisterSquirrelFunc;
+RegisterSquirrelFuncType ServerRegisterSquirrelFunc;
+
+// inits
+SquirrelManager<ScriptContext::CLIENT>* g_pClientSquirrel;
+SquirrelManager<ScriptContext::SERVER>* g_pServerSquirrel;
+SquirrelManager<ScriptContext::UI>* g_pUISquirrel;
+
+template <ScriptContext context> SquirrelManager<context>* GetSquirrelManager() 
+{
+	switch (context)
+	{
+	case ScriptContext::CLIENT:
+		return g_pClientSquirrel;
+	case ScriptContext::SERVER:
+		return g_pServerSquirrel;
+	case ScriptContext::UI:
+		return g_pUISquirrel;
+	}
+}
+
+const char* GetContextName(ScriptContext context)
+{
+	switch (context)
+	{
+	case ScriptContext::CLIENT:
+		return "CLIENT";
+	case ScriptContext::SERVER:
+		return "SERVER";
+	case ScriptContext::UI:
+		return "UI";
+	}
+}
+
+// hooks
+typedef SQInteger (*SQPrintType)(void* sqvm, char* fmt, ...);
+SQPrintType ClientSQPrint;
+SQPrintType UISQPrint;
+SQPrintType ServerSQPrint;
+template <ScriptContext context> SQInteger SQPrintHook(void* sqvm, char* fmt, ...)
+{
+	va_list va;
+	va_start(va, fmt);
+
+	SQChar buf[1024];
+	int charsWritten = vsnprintf_s(buf, _TRUNCATE, fmt, va);
+
+	if (charsWritten > 0)
+	{
+		if (buf[charsWritten - 1] == '\n')
+			buf[charsWritten - 1] = '\0';
+
+		spdlog::info("[{} SCRIPT] {}", GetContextName(context), buf);
+	}
+
+	va_end(va);
+	return 0;
+}
+
+typedef void* (*CreateNewVMType)(void* a1, ScriptContext contextArg);
+CreateNewVMType ClientCreateNewVM;
+CreateNewVMType ServerCreateNewVM;
+template <ScriptContext context> void* CreateNewVMHook(void* a1, ScriptContext realContext)
+{
+	void* sqvm;
+
+	if (context == ScriptContext::CLIENT)
+	{
+		sqvm = ClientCreateNewVM(a1, realContext);
+
+		if (realContext == ScriptContext::UI)
+			g_pUISquirrel->VMCreated(sqvm);
+		else
+			g_pClientSquirrel->VMCreated(sqvm);
+	}
+	else if (context == ScriptContext::SERVER)
+	{
+		sqvm = ServerCreateNewVM(a1, context);
+		g_pServerSquirrel->VMCreated(sqvm);
+	}
+
+	spdlog::info("CreateNewVM {} {}", GetContextName(realContext), sqvm);
+	return sqvm;
+}
+
+typedef void (*DestroyVMType)(void* a1, void* sqvm);
+DestroyVMType ClientDestroyVM;
+DestroyVMType ServerDestroyVM;
+template <ScriptContext context> void DestroyVMHook(void* a1, void* sqvm)
+{
+	ScriptContext realContext = context; // ui and client use the same function so we use this for prints
+
+	if (context == ScriptContext::CLIENT)
+	{
+		if (g_pClientSquirrel->sqvm == sqvm)
+			g_pClientSquirrel->VMDestroyed();
+		else if (g_pUISquirrel->sqvm == sqvm)
+		{
+			g_pUISquirrel->VMDestroyed();
+			realContext = ScriptContext::UI;
+		}
+
+		ClientDestroyVM(a1, sqvm);
+	}
+	else if (context == ScriptContext::SERVER)
+	{
+		g_pServerSquirrel->VMDestroyed();
+		ServerDestroyVM(a1, sqvm);
+	}
+
+	spdlog::info("DestroyVM {} {}", GetContextName(realContext), sqvm);
+}
+
+typedef void (*ScriptCompileError)(void* sqvm, const char* error, const char* file, int line, int column);
+ScriptCompileError ClientSQCompileError;
+ScriptCompileError ServerSQCompileError;
+template <ScriptContext context> void ScriptCompileErrorHook(void* sqvm, const char* error, const char* file, int line, int column)
+{
+	ScriptContext realContext = context; // ui and client use the same function so we use this for prints
+	if (context == ScriptContext::CLIENT && sqvm == g_pUISquirrel->sqvm2)
+		realContext = ScriptContext::UI;
+
+	spdlog::error("{} SCRIPT COMPILE ERROR {}", GetContextName(realContext), error);
+	spdlog::error("{} line [{}] column [{}]", file, line, column);
+
+	// use disconnect to display an error message for the compile error, but only if we aren't compiling from console, or from compilestring()
+	// TODO: compilestring can actually define a custom buffer name as the second arg, we don't currently have a way of checking this
+	// ideally we'd just check if the sqvm was fully initialised here, somehow
+	if (strcmp(file, "console") && strcmp(file, "unnamedbuffer"))
+	{
+		R2::Cbuf_AddText(
+			R2::Cbuf_GetCurrentPlayer(),
+			fmt::format("disconnect \"Encountered {} script compilation error, see console for details.\"", GetContextName(realContext))
+				.c_str(),
+			R2::cmd_source_t::kCommandSrcCode);
+
+		if (realContext == ScriptContext::UI) // likely temp: show console so user can see any errors
+			R2::Cbuf_AddText(R2::Cbuf_GetCurrentPlayer(), "showconsole", R2::cmd_source_t::kCommandSrcCode); 
+	}
+
+	// dont call the original function since it kills game lol
+}
+
+typedef bool (*CallScriptInitCallbackType)(void* sqvm, const char* callback);
+CallScriptInitCallbackType ClientCallScriptInitCallback;
+CallScriptInitCallbackType ServerCallScriptInitCallback;
+template <ScriptContext context> bool CallScriptInitCallbackHook(void* sqvm, const char* callback)
+{
+	CallScriptInitCallbackType callScriptInitCallback;
+	ScriptContext realContext = context;
+	bool shouldCallCustomCallbacks = true;
+
+	if (context == ScriptContext::CLIENT)
+	{
+		callScriptInitCallback = ClientCallScriptInitCallback;
+
+		if (!strcmp(callback, "UICodeCallback_UIInit"))
+			realContext = ScriptContext::UI;
+		else if (strcmp(callback, "ClientCodeCallback_MapSpawn"))
+			shouldCallCustomCallbacks = false;
+	}
+	else if (context == ScriptContext::SERVER)
+	{
+		callScriptInitCallback = ServerCallScriptInitCallback;
+		shouldCallCustomCallbacks = !strcmp(callback, "CodeCallback_MapSpawn");
+	}
+
+	if (shouldCallCustomCallbacks)
+	{
+		for (Mod mod : g_pModManager->m_loadedMods)
+		{
+			if (!mod.Enabled)
+				continue;
+
+			for (ModScript script : mod.Scripts)
+			{
+				for (ModScriptCallback modCallback : script.Callbacks)
+				{
+					if (modCallback.Context == realContext && modCallback.BeforeCallback.length())
+					{
+						spdlog::info("Running custom {} script callback \"{}\"", GetContextName(realContext), modCallback.BeforeCallback);
+						callScriptInitCallback(sqvm, modCallback.BeforeCallback.c_str());
+					}
+				}
+			}
+		}
+	}
+
+	spdlog::info("{} CodeCallback {} called", GetContextName(realContext), callback);
+	if (!shouldCallCustomCallbacks)
+		spdlog::info("Not executing custom callbacks for CodeCallback {}", callback);
+	bool ret = callScriptInitCallback(sqvm, callback);
+
+	// run after callbacks
+	if (shouldCallCustomCallbacks)
+	{
+		for (Mod mod : g_pModManager->m_loadedMods)
+		{
+			if (!mod.Enabled)
+				continue;
+
+			for (ModScript script : mod.Scripts)
+			{
+				for (ModScriptCallback modCallback : script.Callbacks)
+				{
+					if (modCallback.Context == realContext && modCallback.AfterCallback.length())
+					{
+						spdlog::info("Running custom {} script callback \"{}\"", GetContextName(realContext), modCallback.AfterCallback);
+						callScriptInitCallback(sqvm, modCallback.AfterCallback.c_str());
+					}
+				}
+			}
+		}
+	}
+
+	return ret;
+}
+
+template <ScriptContext context> void ConCommand_script(const CCommand& args)
+{
+	if (context == ScriptContext::CLIENT)
+		g_pClientSquirrel->ExecuteCode(args.ArgS());
+	else if (context == ScriptContext::UI)
+		g_pUISquirrel->ExecuteCode(args.ArgS());
+	else if (context == ScriptContext::SERVER)
+		g_pServerSquirrel->ExecuteCode(args.ArgS());
+}
+
+ON_DLL_LOAD_RELIESON("client.dll", ClientSquirrel, ConCommand, [](HMODULE baseAddress)
+{
+	HookEnabler hook;
+
+	// client inits
+	g_pClientSquirrel = new SquirrelManager<ScriptContext::CLIENT>;
+
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x12B00,
+		&SQPrintHook<ScriptContext::CLIENT>,
+		reinterpret_cast<LPVOID*>(&ClientSQPrint)); // client print function
+	RegisterConCommand("script_client", ConCommand_script<ScriptContext::CLIENT>, "Executes script code on the client vm", FCVAR_CLIENTDLL);
+
+	// ui inits
+	g_pUISquirrel = new SquirrelManager<ScriptContext::UI>;
+
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x12BA0,
+		&SQPrintHook<ScriptContext::UI>,
+		reinterpret_cast<LPVOID*>(&UISQPrint)); // ui print function
+	RegisterConCommand("script_ui", ConCommand_script<ScriptContext::UI>, "Executes script code on the ui vm", FCVAR_CLIENTDLL);
+	
+	g_pClientSquirrel->RegisterSquirrelFunc = (RegisterSquirrelFuncType)((char*)baseAddress + 0x108E0);
+	g_pUISquirrel->RegisterSquirrelFunc = (RegisterSquirrelFuncType)((char*)baseAddress + 0x108E0);
+
+	g_pClientSquirrel->__sq_compilebuffer = (sq_compilebufferType)((char*)baseAddress + 0x3110);
+	g_pUISquirrel->__sq_compilebuffer = (sq_compilebufferType)((char*)baseAddress + 0x3110);
+	g_pClientSquirrel->__sq_pushroottable = (sq_pushroottableType)((char*)baseAddress + 0x5860);
+	g_pUISquirrel->__sq_pushroottable = (sq_pushroottableType)((char*)baseAddress + 0x5860);
+
+	g_pClientSquirrel->__sq_call = (sq_callType)((char*)baseAddress + 0x8650);
+	g_pUISquirrel->__sq_call = (sq_callType)((char*)baseAddress + 0x8650);
+
+	g_pClientSquirrel->__sq_newarray = (sq_newarrayType)((char*)baseAddress + 0x39F0);
+	g_pUISquirrel->__sq_newarray = (sq_newarrayType)((char*)baseAddress + 0x39F0);
+	g_pClientSquirrel->__sq_arrayappend = (sq_arrayappendType)((char*)baseAddress + 0x3C70);
+	g_pUISquirrel->__sq_arrayappend = (sq_arrayappendType)((char*)baseAddress + 0x3C70);
+
+	g_pClientSquirrel->__sq_pushstring = (sq_pushstringType)((char*)baseAddress + 0x3440);
+	g_pUISquirrel->__sq_pushstring = (sq_pushstringType)((char*)baseAddress + 0x3440);
+	g_pClientSquirrel->__sq_pushinteger = (sq_pushintegerType)((char*)baseAddress + 0x36A0);
+	g_pUISquirrel->__sq_pushinteger = (sq_pushintegerType)((char*)baseAddress + 0x36A0);
+	g_pClientSquirrel->__sq_pushfloat = (sq_pushfloatType)((char*)baseAddress + 0x3800);
+	g_pUISquirrel->__sq_pushfloat = (sq_pushfloatType)((char*)baseAddress + 0x3800);
+	g_pClientSquirrel->__sq_pushbool = (sq_pushboolType)((char*)baseAddress + 0x3710);
+	g_pUISquirrel->__sq_pushbool = (sq_pushboolType)((char*)baseAddress + 0x3710);
+	g_pClientSquirrel->__sq_raiseerror = (sq_raiseerrorType)((char*)baseAddress + 0x8470);
+	g_pUISquirrel->__sq_raiseerror = (sq_raiseerrorType)((char*)baseAddress + 0x8470);
+
+	g_pClientSquirrel->__sq_getstring = (sq_getstringType)((char*)baseAddress + 0x60C0);
+	g_pUISquirrel->__sq_getstring = (sq_getstringType)((char*)baseAddress + 0x60C0);
+	g_pClientSquirrel->__sq_getinteger = (sq_getintegerType)((char*)baseAddress + 0x60E0);
+	g_pUISquirrel->__sq_getinteger = (sq_getintegerType)((char*)baseAddress + 0x60E0);
+	g_pClientSquirrel->__sq_getfloat = (sq_getfloatType)((char*)baseAddress + 0x6100);
+	g_pUISquirrel->__sq_getfloat = (sq_getfloatType)((char*)baseAddress + 0x6100);
+	g_pClientSquirrel->__sq_getbool = (sq_getboolType)((char*)baseAddress + 0x6130);
+	g_pUISquirrel->__sq_getbool = (sq_getboolType)((char*)baseAddress + 0x6130);
+	g_pClientSquirrel->__sq_get = (sq_getType)((char*)baseAddress + 0x7C30);
+	g_pUISquirrel->__sq_get = (sq_getType)((char*)baseAddress + 0x7C30);
+
+	// uiscript_reset concommand: don't loop forever if compilation fails
+	NSMem::NOP((uintptr_t)baseAddress + 0x3C6E4C, 6);
+
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x26130,
+		&CreateNewVMHook<ScriptContext::CLIENT>,
+		reinterpret_cast<LPVOID*>(&ClientCreateNewVM)); // client createnewvm function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x26E70,
+		&DestroyVMHook<ScriptContext::CLIENT>,
+		reinterpret_cast<LPVOID*>(&ClientDestroyVM)); // client destroyvm function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x79A50,
+		&ScriptCompileErrorHook<ScriptContext::CLIENT>,
+		reinterpret_cast<LPVOID*>(&ClientSQCompileError)); // client compileerror function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x10190,
+		&CallScriptInitCallbackHook<ScriptContext::CLIENT>,
+		reinterpret_cast<LPVOID*>(&ClientCallScriptInitCallback)); // client callscriptinitcallback function
+})
+
+ON_DLL_LOAD_RELIESON("server.dll", ServerSquirrel, ConCommand, [](HMODULE baseAddress)
+{
+	g_pServerSquirrel = new SquirrelManager<ScriptContext::SERVER>;
+
+	g_pServerSquirrel->RegisterSquirrelFunc = (RegisterSquirrelFuncType)((char*)baseAddress + 0x1DD10);
+
+	g_pServerSquirrel->__sq_compilebuffer = (sq_compilebufferType)((char*)baseAddress + 0x3110);
+	g_pServerSquirrel->__sq_pushroottable = (sq_pushroottableType)((char*)baseAddress + 0x5840);
+	g_pServerSquirrel->__sq_call = (sq_callType)((char*)baseAddress + 0x8620);
+
+	g_pServerSquirrel->__sq_newarray = (sq_newarrayType)((char*)baseAddress + 0x39F0);
+	g_pServerSquirrel->__sq_arrayappend = (sq_arrayappendType)((char*)baseAddress + 0x3C70);
+
+	g_pServerSquirrel->__sq_pushstring = (sq_pushstringType)((char*)baseAddress + 0x3440);
+	g_pServerSquirrel->__sq_pushinteger = (sq_pushintegerType)((char*)baseAddress + 0x36A0);
+	g_pServerSquirrel->__sq_pushfloat = (sq_pushfloatType)((char*)baseAddress + 0x3800);
+	g_pServerSquirrel->__sq_pushbool = (sq_pushboolType)((char*)baseAddress + 0x3710);
+	g_pServerSquirrel->__sq_raiseerror = (sq_raiseerrorType)((char*)baseAddress + 0x8440);
+
+	g_pServerSquirrel->__sq_getstring = (sq_getstringType)((char*)baseAddress + 0x60A0);
+	g_pServerSquirrel->__sq_getinteger = (sq_getintegerType)((char*)baseAddress + 0x60C0);
+	g_pServerSquirrel->__sq_getfloat = (sq_getfloatType)((char*)baseAddress + 0x60E0);
+	g_pServerSquirrel->__sq_getbool = (sq_getboolType)((char*)baseAddress + 0x6110);
+	g_pServerSquirrel->__sq_get = (sq_getType)((char*)baseAddress + 0x7C00);
+
+	HookEnabler hook;
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x1FE90,
+		&SQPrintHook<ScriptContext::SERVER>,
+		reinterpret_cast<LPVOID*>(&ServerSQPrint)); // server print function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x260E0,
+		&CreateNewVMHook<ScriptContext::SERVER>,
+		reinterpret_cast<LPVOID*>(&ServerCreateNewVM)); // server createnewvm function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x26E20,
+		&DestroyVMHook<ScriptContext::SERVER>,
+		reinterpret_cast<LPVOID*>(&ServerDestroyVM)); // server destroyvm function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x799E0,
+		&ScriptCompileErrorHook<ScriptContext::SERVER>,
+		reinterpret_cast<LPVOID*>(&ServerSQCompileError)); // server compileerror function
+	ENABLER_CREATEHOOK(
+		hook,
+		(char*)baseAddress + 0x1D5C0,
+		&CallScriptInitCallbackHook<ScriptContext::SERVER>,
+		reinterpret_cast<LPVOID*>(&ServerCallScriptInitCallback)); // server callscriptinitcallback function
+
+	// cheat and clientcmd_can_execute allows clients to execute this, but since it's unsafe we only allow it when cheats are enabled
+	// for script_client and script_ui, we don't use cheats, so clients can execute them on themselves all they want
+	RegisterConCommand(
+		"script",
+		ConCommand_script<ScriptContext::SERVER>,
+		"Executes script code on the server vm",
+		FCVAR_GAMEDLL | FCVAR_GAMEDLL_FOR_REMOTE_CLIENTS | FCVAR_CHEAT);
+})
\ No newline at end of file