fixing some dedi crashes

1 files changed, 186 insertions, 0 deletions

diff --git a/enc_temp_folder/1f2f287a281d83d9f25d929b98193d/dedicatedmaterialsystem.cpp b/enc_temp_folder/1f2f287a281d83d9f25d929b98193d/dedicatedmaterialsystem.cpp
new file mode 100644
index 00000000..30a55b94
--- /dev/null
+++ b/enc_temp_folder/1f2f287a281d83d9f25d929b98193d/dedicatedmaterialsystem.cpp
@@ -0,0 +1,186 @@
+#pragma once
+#include "pch.h"
+#include "dedicated.h"
+#include "dedicatedmaterialsystem.h"
+#include "hookutils.h"
+
+void InitialiseDedicatedMaterialSystem(HMODULE baseAddress)
+{
+	if (!IsDedicated())
+		return;
+
+	//while (!IsDebuggerPresent())
+	//	Sleep(100);
+	
+	// not using these for now since they're related to nopping renderthread/gamewindow i.e. very hard
+	//{
+	//	// function that launches renderthread
+	//	char* ptr = (char*)baseAddress + 0x87047;
+	//	TempReadWrite rw(ptr);
+	//
+	//	// make it not launch renderthread
+	//	*ptr = (char)0x90;
+	//	*(ptr + 1) = (char)0x90;
+	//	*(ptr + 2) = (char)0x90;
+	//	*(ptr + 3) = (char)0x90;
+	//	*(ptr + 4) = (char)0x90;
+	//	*(ptr + 5) = (char)0x90;
+	//}
+	//
+	//{
+	//	// some function that waits on renderthread job
+	//	char* ptr = (char*)baseAddress + 0x87d00;
+	//	TempReadWrite rw(ptr);
+	//
+	//	// return immediately
+	//	*ptr = (char)0xC3;
+	//}
+
+	{
+		// CMaterialSystem::FindMaterial
+		char* ptr = (char*)baseAddress + 0x5F0F1;
+		TempReadWrite rw(ptr);
+
+		// make the game always use the error material
+		*ptr = 0xE9;
+		*(ptr + 1) = (char)0x34;
+		*(ptr + 2) = (char)0x03;
+		*(ptr + 3) = (char)0x00;
+	}
+
+	if (DisableDedicatedWindowCreation())
+	{
+		{
+			// materialsystem rpak type registrations
+			char* ptr = (char*)baseAddress + 0x22B5;
+			TempReadWrite rw(ptr);
+
+			// nop a call that crashes, not needed on dedi
+			*ptr = 0x90;
+			*(ptr + 1) = (char)0x90;
+			*(ptr + 2) = (char)0x90;
+			*(ptr + 3) = (char)0x90;
+			*(ptr + 4) = (char)0x90;
+		}
+
+		// these don't work, they cause game to hang on loading
+		{
+			// materialsystem rpak type: texture
+			char* ptr = (char*)baseAddress + 0x2B00;
+			TempReadWrite rw(ptr);
+
+			// make it return 0
+			// mov rax,0
+			*ptr = 0x48;
+			*(ptr + 1) = (char)0xB8;
+			*(ptr + 2) = (char)0x00;
+			*(ptr + 3) = (char)0x00;
+			*(ptr + 4) = (char)0x00;
+			*(ptr + 5) = (char)0x00;
+			*(ptr + 6) = (char)0x00;
+			*(ptr + 7) = (char)0x00;
+			*(ptr + 8) = (char)0x00;
+			*(ptr + 9) = (char)0x00;
+
+			// ret
+			*(ptr + 10) = (char)0xC3;
+		}
+
+		{
+			// materialsystem rpak type: material
+			char* ptr = (char*)baseAddress + 0x50AA0;
+			TempReadWrite rw(ptr);
+
+			// make it return 0
+			// mov rax,0
+			*ptr = 0x48;
+			*(ptr + 1) = (char)0xB8;
+			*(ptr + 2) = (char)0x00;
+			*(ptr + 3) = (char)0x00;
+			*(ptr + 4) = (char)0x00;
+			*(ptr + 5) = (char)0x00;
+			*(ptr + 6) = (char)0x00;
+			*(ptr + 7) = (char)0x00;
+			*(ptr + 8) = (char)0x00;
+			*(ptr + 9) = (char)0x00;
+
+			// ret
+			*(ptr + 10) = (char)0xC3;
+		}
+
+		{
+			// materialsystem rpak type: shader
+			char* ptr = (char*)baseAddress + 0x2850;
+			TempReadWrite rw(ptr);
+
+			// make it return 0
+			// mov rax,0
+			*ptr = 0x48;
+			*(ptr + 1) = (char)0xB8;
+			*(ptr + 2) = (char)0x00;
+			*(ptr + 3) = (char)0x00;
+			*(ptr + 4) = (char)0x00;
+			*(ptr + 5) = (char)0x00;
+			*(ptr + 6) = (char)0x00;
+			*(ptr + 7) = (char)0x00;
+			*(ptr + 8) = (char)0x00;
+			*(ptr + 9) = (char)0x00;
+
+			// ret
+			*(ptr + 10) = (char)0xC3;
+		}
+
+		{
+			// some renderthread stuff
+			char* ptr = (char*)baseAddress + 0x8C10;
+			TempReadWrite rw(ptr);
+
+			// call => nop
+			*ptr = (char)0x90;
+			*(ptr + 1) = (char)0x90;
+		}
+	}
+}
+
+// rpak pain
+struct RpakTypeDefinition
+{
+	int64_t magic;
+	char* longName;
+
+	// more fields but they don't really matter for what we use them for
+};
+
+typedef void*(*RegisterRpakTypeType)(RpakTypeDefinition* rpakStruct, unsigned int a1, unsigned int a2);
+RegisterRpakTypeType RegisterRpakType;
+
+typedef void(*RegisterMaterialSystemRpakTypes)();
+
+void* RegisterRpakTypeHook(RpakTypeDefinition* rpakStruct, unsigned int a1, unsigned int a2)
+{
+	// make sure this prints right
+	char magicName[5];
+	memcpy(magicName, &rpakStruct->magic, 4);
+	magicName[4] = 0;
+
+	spdlog::info("rpak type {} {} registered {} {}", magicName, rpakStruct->longName, a1, a2);
+
+	// reregister rpak types that aren't registered on a windowless dedi
+	if (IsDedicated() && DisableDedicatedWindowCreation() && rpakStruct->magic == 0x64636C72) // rlcd, this one is registered last
+		((RegisterMaterialSystemRpakTypes)((char*)GetModuleHandleA("materialsystem_dx11.dll") + 0x22A0))(); // slightly hellish call
+
+	return RegisterRpakType(rpakStruct, a1, a2);
+}
+
+void InitialiseDedicatedRtechGame(HMODULE baseAddress)
+{
+	spdlog::info("InitialiseDedicatedRtechGame");
+
+	HookEnabler hook;
+	ENABLER_CREATEHOOK(hook, (char*)GetModuleHandleA("rtech_game.dll") + 0x7BE0, &RegisterRpakTypeHook, reinterpret_cast<LPVOID*>(&RegisterRpakType));
+
+	if (!IsDedicated())
+		return;
+
+
+}
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