From 6298a627ce1794e59dcc8a76625862795a6636ed Mon Sep 17 00:00:00 2001
From: Federico Cecchetto <fedecek3@gmail.com>
Date: Sun, 10 Jul 2022 20:25:21 +0200
Subject: [PATCH] SP Gamelog

---
 src/component/game_sp_log.cpp | 82 +++++++++++++++++++++++++++++++++++
 src/game/game.cpp             | 10 +++++
 src/game/game.hpp             |  2 +
 src/game/structs.hpp          | 60 +++++++++++++++++++++++++
 src/game/symbols.hpp          | 14 +++++-
 5 files changed, 167 insertions(+), 1 deletion(-)
 create mode 100644 src/component/game_sp_log.cpp

diff --git a/src/component/game_sp_log.cpp b/src/component/game_sp_log.cpp
new file mode 100644
index 0000000..df3f5d4
--- /dev/null
+++ b/src/component/game_sp_log.cpp
@@ -0,0 +1,82 @@
+#include <stdinc.hpp>
+#include "loader/component_loader.hpp"
+
+#include "game/game.hpp"
+
+#include <utils/hook.hpp>
+
+namespace game_sp_log
+{
+	namespace
+	{
+		// Use these dvars for SP binary only
+		const game::dvar_t** g_log = reinterpret_cast<const game::dvar_t**>(0x3023B20);
+		const game::dvar_t** g_logSync = reinterpret_cast<const game::dvar_t**>(0x3023B2C);
+
+		void g_init_game_stub()
+		{
+			// G_RegisterDvars
+			utils::hook::invoke<void>(0x7E1C10);
+
+			game::Com_Printf(game::CON_CHANNEL_SERVER, "------- Game Initialization -------\n");
+
+			const std::string log_file = (*g_log)->current.string;
+
+			if (log_file.empty())
+			{
+				game::Com_Printf(game::CON_CHANNEL_SERVER, "Not logging to disk.\n");
+				return;
+			}
+
+			const auto mode = (*g_logSync)->current.enabled ? game::FS_APPEND_SYNC : game::FS_APPEND;
+
+			game::FS_FOpenFileByMode(log_file.data(), game::logFile, mode);
+
+			if (*game::logFile == 0)
+			{
+				game::Com_PrintWarning(game::CON_CHANNEL_SERVER, "WARNING: Couldn't open logfile: %s\n", log_file.data());
+				return;
+			}
+
+			char info[1024]{};
+			game::SV_GetServerinfo(info, sizeof(info));
+
+			game::G_LogPrintf("------------------------------------------------------------\n");
+			game::G_LogPrintf("InitGame: %s\n", info);
+
+		}
+
+		void g_shutdown_game_stub(int free_scripts)
+		{
+			utils::hook::invoke<void>(0x607700, free_scripts); // G_ShutdownGame
+
+			if (*game::logFile != 0)
+			{
+				game::G_LogPrintf("ShutdownGame:\n");
+				game::G_LogPrintf("------------------------------------------------------------\n");
+				game::FS_FCloseFile(*game::logFile);
+				*game::logFile = 0;
+			}
+		}
+
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			if (game::environment::is_mp())
+			{
+				return;
+			}
+
+			utils::hook::call(0x51E97F, g_init_game_stub);
+
+			utils::hook::call(0x4FA28A, g_shutdown_game_stub);
+			utils::hook::call(0x57EF4B, g_shutdown_game_stub);
+		}
+	};
+}
+
+REGISTER_COMPONENT(game_sp_log::component)
diff --git a/src/game/game.cpp b/src/game/game.cpp
index 1cef98c..aab471a 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -22,6 +22,16 @@ namespace game
 		}
 	}
 
+	void SV_GetServerinfo(char* buffer, int bufferSize)
+	{
+		if (bufferSize < 1)
+		{
+			Com_Error(ERR_DROP, "\x15SV_GetServerinfo: bufferSize == %i", bufferSize);
+		}
+
+		I_strncpyz(buffer, Dvar_InfoString(0, 4), bufferSize);
+	}
+
 	void AddRefToValue(scriptInstance_t inst, const VariableValue* value)
 	{
 		AddRefToValue_(inst, value->type, value->u);
diff --git a/src/game/game.hpp b/src/game/game.hpp
index 48ab1fd..a25a180 100644
--- a/src/game/game.hpp
+++ b/src/game/game.hpp
@@ -56,6 +56,8 @@ namespace game
 		T* mp_object_;
 	};
 
+	void SV_GetServerinfo(char* buffer, int bufferSize);
+
 	void AddRefToValue(scriptInstance_t inst, const VariableValue* value);
 	void RemoveRefToValue(scriptInstance_t inst, const int type, VariableUnion value);
 
diff --git a/src/game/structs.hpp b/src/game/structs.hpp
index c026bb9..672b45c 100644
--- a/src/game/structs.hpp
+++ b/src/game/structs.hpp
@@ -210,6 +210,66 @@ namespace game
 		unsigned int index;
 	};
 
+	enum fsMode_t
+	{
+		FS_READ = 0x0,
+		FS_WRITE = 0x1,
+		FS_APPEND = 0x2,
+		FS_APPEND_SYNC = 0x3,
+	};
+
+	enum errorParm_t
+	{
+		ERR_FATAL = 0x0,
+		ERR_DROP = 0x1,
+		ERR_SERVERDISCONNECT = 0x2,
+		ERR_DISCONNECT = 0x3,
+		ERR_SCRIPT = 0x4,
+		ERR_SCRIPT_DROP = 0x5,
+		ERR_LOCALIZATION = 0x6,
+	};
+
+	enum conChannel_t
+	{
+		CON_CHANNEL_DONT_FILTER = 0x0,
+		CON_CHANNEL_ERROR = 0x1,
+		CON_CHANNEL_GAMENOTIFY = 0x2,
+		CON_CHANNEL_BOLDGAME = 0x3,
+		CON_CHANNEL_SUBTITLE = 0x4,
+		CON_CHANNEL_OBITUARY = 0x5,
+		CON_CHANNEL_LOGFILEONLY = 0x6,
+		CON_CHANNEL_CONSOLEONLY = 0x7,
+		CON_CHANNEL_GFX = 0x8,
+		CON_CHANNEL_SOUND = 0x9,
+		CON_CHANNEL_FILES = 0xA,
+		CON_CHANNEL_DEVGUI = 0xB,
+		CON_CHANNEL_PROFILE = 0xC,
+		CON_CHANNEL_UI = 0xD,
+		CON_CHANNEL_CLIENT = 0xE,
+		CON_CHANNEL_SERVER = 0xF,
+		CON_CHANNEL_SYSTEM = 0x10,
+		CON_CHANNEL_PLAYERWEAP = 0x11,
+		CON_CHANNEL_AI = 0x12,
+		CON_CHANNEL_ANIM = 0x13,
+		CON_CHANNEL_PHYS = 0x14,
+		CON_CHANNEL_FX = 0x15,
+		CON_CHANNEL_LEADERBOARDS = 0x16,
+		CON_CHANNEL_LIVE = 0x17,
+		CON_CHANNEL_PARSERSCRIPT = 0x18,
+		CON_CHANNEL_SCRIPT = 0x19,
+		CON_CHANNEL_SPAWNSYSTEM = 0x1A,
+		CON_CHANNEL_COOPINFO = 0x1B,
+		CON_CHANNEL_SERVERDEMO = 0x1C,
+		CON_CHANNEL_DDL = 0x1D,
+		CON_CHANNEL_NETWORK = 0x1E,
+		CON_CHANNEL_SCHEDULER = 0x1F,
+		CON_FIRST_DEBUG_CHANNEL = 0x1F,
+		CON_CHANNEL_TASK = 0x20,
+		CON_CHANNEL_SPU = 0x21,
+
+		CON_BUILTIN_CHANNEL_COUNT = 0x22,
+	};
+
 	namespace sp
 	{
 		struct ObjectInfo
diff --git a/src/game/symbols.hpp b/src/game/symbols.hpp
index 6375e15..f13c6a3 100644
--- a/src/game/symbols.hpp
+++ b/src/game/symbols.hpp
@@ -8,6 +8,8 @@ namespace game
 
 	WEAK symbol<int(const char* str)> BG_StringHashValue{0x0, 0x0};
 
+	WEAK symbol<void(const char* fmt, ...)> G_LogPrintf{0x69EA30, 0x5CD250};
+
 	WEAK symbol<void(int localClientNum, const char* text)> Cbuf_InsertText{0x0, 0x0};
 	WEAK symbol<void(int localClientNum, const char* text)> Cbuf_AddText{0x49B930, 0x56EF70};
 	WEAK symbol<void(int localClientNum, int controllerIndex, const char* text)> Cmd_ExecuteSingleCommand{0x619D00, 0x50B470};
@@ -17,16 +19,21 @@ namespace game
 
 	WEAK symbol<void(int clientNum)> ClientUserInfoChanged{0x0, 0x0};
 
-	WEAK symbol<int(const char* fmt, ...)> Com_Printf{0x566BC0, 0x64C260};
+	WEAK symbol<void(errorParm_t code, const char* fmt, ...)> Com_Error{0x651D90, 0x627380};
+	WEAK symbol<void(int channel, const char* fmt, ...)> Com_Printf{0x43BF30, 0x4126C0};
+	WEAK symbol<void(const char* fmt, ...)> Com_Printf_NoFilter{0x566BC0, 0x64C260};
+	WEAK symbol<void(int channel, const char* fmt, ...)> Com_PrintWarning{0x51CE50, 0x54B6A0};
 
 	WEAK symbol<const dvar_t*(const char*)> Dvar_FindVar{0x5AE810, 0x512F70};
 	WEAK symbol<int(const dvar_t*)> Dvar_GetInt{0x0, 0x0};
 	WEAK symbol<dvar_t*(const char* dvarName, int value, int min, int max, 
 		unsigned int flags, const char* description)> Dvar_RegisterInt{0x0, 0x0};
+	WEAK symbol<char*(int localClientNum, int bit)> Dvar_InfoString{0x613060, 0x54A8B0};
 
 	WEAK symbol<XAssetHeader(XAssetType type, const char* name, bool errorIfMissing, int waitTime)> DB_FindXAssetHeader{0x0, 0x0};
 
 	WEAK symbol<char*(const char*)> I_CleanStr{0x0, 0x0};
+	WEAK symbol<void(char* dest, const char* src, int destsize)> I_strncpyz{0x5D4D60, 0x5A7140};
 
 	WEAK symbol<void*(const char** pName, int* min_args, int* max_args)> Player_GetMethod{0x0, 0x0};
 	WEAK symbol<void*(const char** pName, int* type, int* min_args, int* max_args)> Scr_GetCommonFunction{0x0, 0x0};
@@ -107,6 +114,9 @@ namespace game
 	WEAK symbol<void*(int valueIndex)> Sys_GetValue{0x67D4F0, 0x529EB0};
 	WEAK symbol<int()> Sys_Milliseconds{0x0, 0x0};
 
+	WEAK symbol<int(const char* qpath, int* f, fsMode_t mode)> FS_FOpenFileByMode{0x4DD530, 0x40C790};
+	WEAK symbol<void(int h)> FS_FCloseFile{0x46CAA0, 0x533020};
+
 	WEAK symbol<void*(jmp_buf* Buf, int Value)> longjmp{0x96B980, 0x9D05C4};
 	WEAK symbol<int(jmp_buf* Buf, int a2)> _setjmp{0x969EAC, 0x9CED5C};
 
@@ -131,4 +141,6 @@ namespace game
 	WEAK symbol<client_s> svs_clients{0x0, 0x0};
 
 	WEAK symbol<CmdArgs> sv_cmd_args{0x243D208, 0x355BD88};
+
+	WEAK symbol<int> logFile{0x1C0417C, 0x3443838};
 }