initial commit

1 files changed, 101 insertions, 0 deletions

diff --git a/NorthstarDedicatedTest/dedicated.cpp b/NorthstarDedicatedTest/dedicated.cpp
new file mode 100644
index 00000000..ce4723cb
--- /dev/null
+++ b/NorthstarDedicatedTest/dedicated.cpp
@@ -0,0 +1,101 @@
+#include "pch.h"
+#include "dedicated.h"
+#include "hookutils.h"
+
+#include <iostream>
+
+bool IsDedicated()
+{
+	// temp: should get this from commandline
+	return false;
+}
+
+void InitialiseDedicated(HMODULE engineAddress)
+{
+	std::cout << "InitialiseDedicated()" << std::endl;
+
+	while (!IsDebuggerPresent())
+		Sleep(100);
+
+	// create binary patches
+	{
+		// CEngineAPI::SetStartupInfo
+		// prevents englishclient_frontend from loading
+
+		char* ptr = (char*)engineAddress + 0x1C7CBE;
+		TempReadWrite rw(ptr);
+
+		// je => jmp
+		*ptr = (char)0xEB;
+	}
+
+	{
+		// CModAppSystemGroup::Create
+		// force the engine into dedicated mode by changing the first comparison to IsServerOnly to an assignment
+		char* ptr = (char*)engineAddress + 0x1C4EBD;
+		TempReadWrite rw(ptr);
+		
+		// cmp => mov
+		*(ptr + 1) = (char)0xC6;
+		*(ptr + 2) = (char)0x87;
+		
+		// 00 => 01
+		*((char*)ptr + 7) = (char)0x01;
+	}
+
+	{
+		// Some init that i'm not sure of that crashes
+		char* ptr = (char*)engineAddress + 0x156A63;
+		TempReadWrite rw(ptr);
+
+		// nop the call to it
+		*ptr = (char)0x90;
+		*(ptr + 1) = (char)0x90;
+		*(ptr + 2) = (char)0x90;
+		*(ptr + 3) = (char)0x90;
+		*(ptr + 4) = (char)0x90;
+	}
+
+	CDedicatedExports* dedicatedApi = new CDedicatedExports;
+	dedicatedApi->Sys_Printf = Sys_Printf;
+	dedicatedApi->RunServer = RunServer;
+
+	// double ptr to dedicatedApi
+	intptr_t* ptr = (intptr_t*)((char*)engineAddress + 0x13F0B668);
+	
+	// ptr to dedicatedApi
+	intptr_t* doublePtr = new intptr_t;
+	*doublePtr = (intptr_t)dedicatedApi;
+
+	// ptr to ptr
+	*ptr = (intptr_t)doublePtr;
+}
+
+void Sys_Printf(CDedicatedExports* dedicated, char* msg)
+{
+	std::cout << msg << std::endl;
+}
+
+void RunServer(CDedicatedExports* dedicated)
+{
+	Sys_Printf(dedicated, (char*)"CDedicatedServerAPI::RunServer(): starting");
+
+	HMODULE engine = GetModuleHandleA("engine.dll");
+	CEngine__Frame engineFrame = (CEngine__Frame)((char*)engine + 0x1C8650);
+	CEngineAPI__ActivateSimulation engineApiStartSimulation = (CEngineAPI__ActivateSimulation)((char*)engine + 0x1C4370);
+
+	void* cEnginePtr = (void*)((char*)engine + 0x7D70C8);
+
+	CEngineAPI__SetMap engineApiSetMap = (CEngineAPI__SetMap)((char*)engine + 0x1C7B30);
+
+	engineApiSetMap(nullptr, "mp_lobby; net_usesocketsforloopback 1");
+	Sys_Printf(dedicated, (char*)"CDedicatedServerAPI::RunServer(): map mp_lobby");
+
+	while (true)
+	{
+		engineFrame(cEnginePtr);
+		//engineApiStartSimulation(nullptr, true);
+		Sys_Printf(dedicated, (char*)"engine->Frame()");
+		Sleep(50);
+	}
+}
\ No newline at end of file