From 7a4b1f06f2493d6f4c9403af466fa6bcacd1483e Mon Sep 17 00:00:00 2001
From: xerox <xerox@back.engineering>
Date: Tue, 18 Aug 2020 16:41:48 -0700
Subject: [PATCH] made little FOV cheat

---
 badeye/inside/bedaisy.hpp            |  6 +++---
 badeye/inside/dllmain.cpp            | 24 +++++++---------------
 badeye/inside/inside.vcxproj         |  1 +
 badeye/inside/inside.vcxproj.filters |  3 +++
 badeye/inside/rust.hpp               | 30 ++++++++++++++++++++++++++++
 5 files changed, 44 insertions(+), 20 deletions(-)
 create mode 100644 badeye/inside/rust.hpp

diff --git a/badeye/inside/bedaisy.hpp b/badeye/inside/bedaisy.hpp
index 149ab15..aa9f5fd 100644
--- a/badeye/inside/bedaisy.hpp
+++ b/badeye/inside/bedaisy.hpp
@@ -42,7 +42,7 @@ namespace bedaisy
 					GetModuleHandleA("lsasrv.dll"));
 
 			// 0f 1f 44 00 ? 8b f0 48 8b 0d ? ? ? ? 49 3b cd (proper return)
-			return { ioctl_handle, reinterpret_cast<void*>(lsasrv + 0x36E3B) }; // windows 10 2004 RVA you will need to update for your winver! :)
+			return { ioctl_handle, reinterpret_cast<void*>(lsasrv + 0x3B2AD) }; // windows 10 2004 RVA you will need to update for your winver! :)
 		}
 		return { {}, {} };
 	}
@@ -114,7 +114,7 @@ namespace bedaisy
 			return {};
 
 		T buffer{};
-		read(proc_handle, addr, static_cast<void*>(&buffer), sizeof(T));
+		read(proc_handle, addr, (void*)&buffer, sizeof(T));
 		return buffer;
 	}
 
@@ -124,6 +124,6 @@ namespace bedaisy
 		if (!proc_handle || !addr)
 			return;
 
-		write(proc_handle, addr, static_cast<void*>(&data), sizeof(T));
+		write(proc_handle, addr, (void*)&data, sizeof(T));
 	}
 }
\ No newline at end of file
diff --git a/badeye/inside/dllmain.cpp b/badeye/inside/dllmain.cpp
index a98fa63..aed3617 100644
--- a/badeye/inside/dllmain.cpp
+++ b/badeye/inside/dllmain.cpp
@@ -1,28 +1,18 @@
-#include "bedaisy.hpp"
-#include "utils.hpp"
+#include "rust.hpp"
 
-void read_demo()
+void example()
 {
 	OutputDebugStringA("[lsass] main thread created!");
-	const auto rust_handle =
+	const auto proc_handle =
 		OpenProcess(
 			PROCESS_QUERY_INFORMATION, FALSE,
 			utils::get_pid(L"RustClient.exe")
 		);
 
-	if (rust_handle)
+	if (proc_handle)
 	{
-		const auto game_base = utils::get_proc_base(rust_handle);
-		if (bedaisy::read<std::uint16_t>(rust_handle, game_base) == 0x5A4D)
-			OutputDebugStringA("[lsass] read rust MZ!");
-		else
-			OutputDebugStringA("[lsass] didnt read rust MZ!");
-
-		const auto asm_base = utils::get_module_base(rust_handle, L"GameAssembly.dll");
-		if (bedaisy::read<std::uint16_t>(rust_handle, asm_base) == 0x5A4D)
-			OutputDebugStringA("[lsass] read game assembly MZ!");
-		else
-			OutputDebugStringA("[lsass] didnt game assembly MZ!");
+		rust::set_fov(proc_handle, 120.f);
+		OutputDebugStringA("[lsass] set fov!");
 	}
 }
 
@@ -32,7 +22,7 @@ extern "C" NTSTATUS nt_close(void* handle)
 	if (!init.exchange(true))
 	{
 		OutputDebugStringA("[lsass] creating thread!");
-		CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)&read_demo, NULL, NULL, NULL);
+		CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)&example, NULL, NULL, NULL);
 	}
 	return NULL;
 }
\ No newline at end of file
diff --git a/badeye/inside/inside.vcxproj b/badeye/inside/inside.vcxproj
index 6b9a20c..2caaa24 100644
--- a/badeye/inside/inside.vcxproj
+++ b/badeye/inside/inside.vcxproj
@@ -165,6 +165,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="bedaisy.hpp" />
+    <ClInclude Include="rust.hpp" />
     <ClInclude Include="utils.hpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/badeye/inside/inside.vcxproj.filters b/badeye/inside/inside.vcxproj.filters
index bdb77d8..bcfddca 100644
--- a/badeye/inside/inside.vcxproj.filters
+++ b/badeye/inside/inside.vcxproj.filters
@@ -21,5 +21,8 @@
     <ClInclude Include="utils.hpp">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="rust.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/badeye/inside/rust.hpp b/badeye/inside/rust.hpp
new file mode 100644
index 0000000..47b6bb3
--- /dev/null
+++ b/badeye/inside/rust.hpp
@@ -0,0 +1,30 @@
+#pragma once
+#include "utils.hpp"
+#define GFX_MANAGER 0x28C6F30
+#define CAMERA_MANAGER 0xB8
+#define CAMERA_FOV       0x18
+
+namespace rust
+{
+    void set_fov(HANDLE proc_handle, float fov_value)
+    {
+        const auto asm_base = utils::get_module_base(proc_handle, L"GameAssembly.dll");
+
+        if (!asm_base)
+            return;
+
+        const auto gfx_manager = bedaisy::read<std::uintptr_t>(
+            proc_handle, asm_base + GFX_MANAGER);
+
+        if (!gfx_manager)
+            return;
+
+        const auto camera_manager = bedaisy::read<std::uintptr_t>(
+            proc_handle, gfx_manager + CAMERA_MANAGER);
+
+        if (!camera_manager)
+            return;
+
+        bedaisy::write<float>(proc_handle, camera_manager + CAMERA_FOV, fov_value);
+    }
+}
\ No newline at end of file