From 95b41b6f8cc612953eafd7f8b6b40124e1590bc7 Mon Sep 17 00:00:00 2001
From: BobTheBob <32057864+BobTheBob9@users.noreply.github.com>
Date: Sun, 12 Feb 2023 21:15:00 +0000
Subject: Add `CGlobals` class and `g_pGlobals`, and update code to support
 (#411)

* add CGlobals class and g_pGlobals, and update scripts to support

* don't automatically enable antispeedhack (oops)

* add dedicated.cpp

* format

* bad push oops

* reformat again
---
 NorthstarDLL/engine/r2engine.cpp |  4 +++
 NorthstarDLL/engine/r2engine.h   | 60 ++++++++++++++++++++++++++++++++++++++++
 NorthstarDLL/engine/runframe.cpp |  2 ++
 3 files changed, 66 insertions(+)

(limited to 'NorthstarDLL/engine')

diff --git a/NorthstarDLL/engine/r2engine.cpp b/NorthstarDLL/engine/r2engine.cpp
index 22884a73..eaa392c8 100644
--- a/NorthstarDLL/engine/r2engine.cpp
+++ b/NorthstarDLL/engine/r2engine.cpp
@@ -21,6 +21,8 @@ namespace R2
 
 	char* g_pModName =
 		nullptr; // we cant set this up here atm since we dont have an offset to it in engine, instead we store it in IsRespawnMod
+
+	CGlobalVars* g_pGlobals;
 } // namespace R2
 
 ON_DLL_LOAD("engine.dll", R2Engine, (CModule module))
@@ -37,4 +39,6 @@ ON_DLL_LOAD("engine.dll", R2Engine, (CModule module))
 	g_pClientArray = module.Offset(0x12A53F90).As<CBaseClient*>();
 
 	g_pServerState = module.Offset(0x12A53D48).As<server_state_t*>();
+
+	g_pGlobals = module.Offset(0x7C6F70).As<CGlobalVars*>();
 }
diff --git a/NorthstarDLL/engine/r2engine.h b/NorthstarDLL/engine/r2engine.h
index bc242201..ff8876b8 100644
--- a/NorthstarDLL/engine/r2engine.h
+++ b/NorthstarDLL/engine/r2engine.h
@@ -201,4 +201,64 @@ namespace R2
 	extern server_state_t* g_pServerState;
 
 	extern char* g_pModName;
+
+	// clang-format off
+	OFFSET_STRUCT(CGlobalVars)
+	{
+		FIELD(0x0,
+			// Absolute time (per frame still - Use Plat_FloatTime() for a high precision real time 
+			//  perf clock, but not that it doesn't obey host_timescale/host_framerate)
+			double m_flRealTime);
+
+		FIELDS(0x8,
+			// Absolute frame counter - continues to increase even if game is paused
+			int m_nFrameCount;
+		
+			// Non-paused frametime
+			float m_flAbsoluteFrameTime;
+		
+			// Current time 
+			//
+			// On the client, this (along with tickcount) takes a different meaning based on what
+			// piece of code you're in:
+			// 
+			//   - While receiving network packets (like in PreDataUpdate/PostDataUpdate and proxies),
+			//     this is set to the SERVER TICKCOUNT for that packet. There is no interval between
+			//     the server ticks.
+			//     [server_current_Tick * tick_interval]
+			//
+			//   - While rendering, this is the exact client clock 
+			//     [client_current_tick * tick_interval + interpolation_amount]
+			//
+			//   - During prediction, this is based on the client's current tick:
+			//     [client_current_tick * tick_interval]
+			float m_flCurTime;
+		)
+
+		FIELDS(0x30,
+			// Time spent on last server or client frame (has nothing to do with think intervals)
+			float m_flFrameTime;
+
+			// current maxplayers setting
+			int m_nMaxClients;
+		)
+
+		FIELDS(0x3C,
+			// Simulation ticks - does not increase when game is paused
+			uint32_t m_nTickCount; // this is weird and doesn't seem to increase once per frame?
+
+			// Simulation tick interval
+			float m_flTickInterval;
+		)
+
+		FIELDS(0x60,
+			const char* m_pMapName;
+			int m_nMapVersion;
+		)
+
+		//FIELD(0x98, double m_flRealTime); // again?
+	};
+	// clang-format on
+
+	extern CGlobalVars* g_pGlobals;
 } // namespace R2
diff --git a/NorthstarDLL/engine/runframe.cpp b/NorthstarDLL/engine/runframe.cpp
index d81356f2..3df93f54 100644
--- a/NorthstarDLL/engine/runframe.cpp
+++ b/NorthstarDLL/engine/runframe.cpp
@@ -5,6 +5,7 @@
 #include "server/serverpresence.h"
 
 AUTOHOOK_INIT()
+
 // clang-format off
 AUTOHOOK(CEngine__Frame, engine.dll + 0x1C8650,
 void, __fastcall, (R2::CEngine* self))
@@ -12,6 +13,7 @@ void, __fastcall, (R2::CEngine* self))
 {
 	CEngine__Frame(self);
 }
+
 ON_DLL_LOAD("engine.dll", RunFrame, (CModule module))
 {
 	AUTOHOOK_DISPATCH()
-- 
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