1 files changed, 262 insertions, 0 deletions
diff --git a/NorthstarDLL/loghooks.cpp b/NorthstarDLL/loghooks.cpp
new file mode 100644
index 00000000..316d34ae
--- /dev/null
+++ b/NorthstarDLL/loghooks.cpp
@@ -0,0 +1,262 @@
+#include "pch.h"
+#include "logging.h"
+#include "loghooks.h"
+#include "convar.h"
+#include "concommand.h"
+#include "bitbuf.h"
+#include "nsprefix.h"
+#include "tier0.h"
+
+#include <iomanip>
+#include <sstream>
+
+AUTOHOOK_INIT()
+
+ConVar* Cvar_spewlog_enable;
+ConVar* Cvar_cl_showtextmsg;
+
+enum class TextMsgPrintType_t
+{
+	HUD_PRINTNOTIFY = 1,
+	HUD_PRINTCONSOLE,
+	HUD_PRINTTALK,
+	HUD_PRINTCENTER
+};
+
+class ICenterPrint
+{
+  public:
+	virtual void ctor() = 0;
+	virtual void Clear(void) = 0;
+	virtual void ColorPrint(int r, int g, int b, int a, wchar_t* text) = 0;
+	virtual void ColorPrint(int r, int g, int b, int a, char* text) = 0;
+	virtual void Print(wchar_t* text) = 0;
+	virtual void Print(char* text) = 0;
+	virtual void SetTextColor(int r, int g, int b, int a) = 0;
+};
+
+enum class SpewType_t
+{
+	SPEW_MESSAGE = 0,
+
+	SPEW_WARNING,
+	SPEW_ASSERT,
+	SPEW_ERROR,
+	SPEW_LOG,
+
+	SPEW_TYPE_COUNT
+};
+
+const std::unordered_map<SpewType_t, const char*> PrintSpewTypes = {
+	{SpewType_t::SPEW_MESSAGE, "SPEW_MESSAGE"},
+	{SpewType_t::SPEW_WARNING, "SPEW_WARNING"},
+	{SpewType_t::SPEW_ASSERT, "SPEW_ASSERT"},
+	{SpewType_t::SPEW_ERROR, "SPEW_ERROR"},
+	{SpewType_t::SPEW_LOG, "SPEW_LOG"}};
+
+// these are used to define the base text colour for these things
+const std::unordered_map<SpewType_t, spdlog::level::level_enum> PrintSpewLevels = {
+	{SpewType_t::SPEW_MESSAGE, spdlog::level::level_enum::info},
+	{SpewType_t::SPEW_WARNING, spdlog::level::level_enum::warn},
+	{SpewType_t::SPEW_ASSERT, spdlog::level::level_enum::err},
+	{SpewType_t::SPEW_ERROR, spdlog::level::level_enum::err},
+	{SpewType_t::SPEW_LOG, spdlog::level::level_enum::info}};
+
+const std::unordered_map<SpewType_t, const char> PrintSpewTypes_Short = {
+	{SpewType_t::SPEW_MESSAGE, 'M'},
+	{SpewType_t::SPEW_WARNING, 'W'},
+	{SpewType_t::SPEW_ASSERT, 'A'},
+	{SpewType_t::SPEW_ERROR, 'E'},
+	{SpewType_t::SPEW_LOG, 'L'}};
+
+ICenterPrint* pInternalCenterPrint = NULL;
+
+// clang-format off
+AUTOHOOK(TextMsg, client.dll + 0x198710,
+void,, (BFRead* msg))
+// clang-format on
+{
+	TextMsgPrintType_t msg_dest = (TextMsgPrintType_t)msg->ReadByte();
+
+	char text[256];
+	msg->ReadString(text, sizeof(text));
+
+	if (!Cvar_cl_showtextmsg->GetBool())
+		return;
+
+	switch (msg_dest)
+	{
+	case TextMsgPrintType_t::HUD_PRINTCENTER:
+		pInternalCenterPrint->Print(text);
+		break;
+
+	default:
+		spdlog::warn("Unimplemented TextMsg type {}! printing to console", msg_dest);
+		[[fallthrough]];
+
+	case TextMsgPrintType_t::HUD_PRINTCONSOLE:
+		auto endpos = strlen(text);
+		if (text[endpos - 1] == '\n')
+			text[endpos - 1] = '\0'; // cut off repeated newline
+
+		spdlog::info(text);
+		break;
+	}
+}
+
+// clang-format off
+AUTOHOOK(Hook_fprintf, engine.dll + 0x51B1F0,
+int,, (void* const stream, const char* const format, ...))
+// clang-format on
+{
+	va_list va;
+	va_start(va, format);
+
+	SQChar buf[1024];
+	int charsWritten = vsnprintf_s(buf, _TRUNCATE, format, va);
+
+	if (charsWritten > 0)
+	{
+		if (buf[charsWritten - 1] == '\n')
+			buf[charsWritten - 1] = '\0';
+		NS::log::NATIVE_EN->info("{}", buf);
+	}
+
+	va_end(va);
+	return 0;
+}
+
+// clang-format off
+AUTOHOOK(ConCommand_echo, engine.dll + 0x123680,
+void,, (const CCommand& arg))
+// clang-format on
+{
+	if (arg.ArgC() >= 2)
+		NS::log::echo->info("{}", arg.ArgS());
+}
+
+// clang-format off
+AUTOHOOK(EngineSpewFunc, engine.dll + 0x11CA80,
+void, __fastcall, (void* pEngineServer, SpewType_t type, const char* format, va_list args))
+// clang-format on
+{
+	if (!Cvar_spewlog_enable->GetBool())
+		return;
+
+	const char* typeStr = PrintSpewTypes.at(type);
+	char formatted[2048] = {0};
+	bool bShouldFormat = true;
+
+	// because titanfall 2 is quite possibly the worst thing to yet exist, it sometimes gives invalid specifiers which will crash
+	// ttf2sdk had a way to prevent them from crashing but it doesnt work in debug builds
+	// so we use this instead
+	for (int i = 0; format[i]; i++)
+	{
+		if (format[i] == '%')
+		{
+			switch (format[i + 1])
+			{
+			// this is fucking awful lol
+			case 'd':
+			case 'i':
+			case 'u':
+			case 'x':
+			case 'X':
+			case 'f':
+			case 'F':
+			case 'g':
+			case 'G':
+			case 'a':
+			case 'A':
+			case 'c':
+			case 's':
+			case 'p':
+			case 'n':
+			case '%':
+			case '-':
+			case '+':
+			case ' ':
+			case '#':
+			case '*':
+			case '0':
+			case '1':
+			case '2':
+			case '3':
+			case '4':
+			case '5':
+			case '6':
+			case '7':
+			case '8':
+			case '9':
+				break;
+
+			default:
+			{
+				bShouldFormat = false;
+				break;
+			}
+			}
+		}
+	}
+
+	if (bShouldFormat)
+		vsnprintf(formatted, sizeof(formatted), format, args);
+	else
+		spdlog::warn("Failed to format {} \"{}\"", typeStr, format);
+
+	auto endpos = strlen(formatted);
+	if (formatted[endpos - 1] == '\n')
+		formatted[endpos - 1] = '\0'; // cut off repeated newline
+
+	NS::log::NATIVE_SV->log(PrintSpewLevels.at(type), "{}", formatted);
+}
+
+// used for printing the output of status
+// clang-format off
+AUTOHOOK(Status_ConMsg, engine.dll + 0x15ABD0,
+void,, (const char* text, ...))
+// clang-format on
+{
+	char formatted[2048];
+	va_list list;
+
+	va_start(list, text);
+	vsprintf_s(formatted, text, list);
+	va_end(list);
+
+	auto endpos = strlen(formatted);
+	if (formatted[endpos - 1] == '\n')
+		formatted[endpos - 1] = '\0'; // cut off repeated newline
+
+	spdlog::info(formatted);
+}
+
+// clang-format off
+AUTOHOOK(CClientState_ProcessPrint, engine.dll + 0x1A1530, 
+bool,, (void* thisptr, uintptr_t msg))
+// clang-format on
+{
+	char* text = *(char**)(msg + 0x20);
+
+	auto endpos = strlen(text);
+	if (text[endpos - 1] == '\n')
+		text[endpos - 1] = '\0'; // cut off repeated newline
+
+	spdlog::info(text);
+	return true;
+}
+
+ON_DLL_LOAD_RELIESON("engine.dll", EngineSpewFuncHooks, ConVar, (CModule module))
+{
+	AUTOHOOK_DISPATCH_MODULE(engine.dll)
+
+	Cvar_spewlog_enable = new ConVar("spewlog_enable", "1", FCVAR_NONE, "Enables/disables whether the engine spewfunc should be logged");
+}
+
+ON_DLL_LOAD_CLIENT_RELIESON("client.dll", ClientPrintHooks, ConVar, (CModule module))
+{
+	AUTOHOOK_DISPATCH_MODULE(client.dll)
+
+	Cvar_cl_showtextmsg = new ConVar("cl_showtextmsg", "1", FCVAR_NONE, "Enable/disable text messages printing on the screen.");
+	pInternalCenterPrint = module.Offset(0x216E940).As<ICenterPrint*>();
+}