From 79ec236f840e668b93f9e167644049e364497833 Mon Sep 17 00:00:00 2001
From: quaK <38787176+Joelrau@users.noreply.github.com>
Date: Sun, 27 Feb 2022 00:31:12 +0200
Subject: [PATCH] add virtuallobby component

---
 src/client/component/virtuallobby.cpp | 63 +++++++++++++++++++++++++++
 src/client/game/game.cpp              |  5 +++
 src/client/game/symbols.hpp           |  2 +
 3 files changed, 70 insertions(+)
 create mode 100644 src/client/component/virtuallobby.cpp

diff --git a/src/client/component/virtuallobby.cpp b/src/client/component/virtuallobby.cpp
new file mode 100644
index 00000000..eb6295f7
--- /dev/null
+++ b/src/client/component/virtuallobby.cpp
@@ -0,0 +1,63 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+
+#include "game/game.hpp"
+#include "game/dvars.hpp"
+
+#include <utils/hook.hpp>
+
+namespace virtuallobby
+{
+	namespace
+	{
+		game::dvar_t* virtualLobby_fovscale;
+
+		const auto get_fovscale_stub = utils::hook::assemble([](utils::hook::assembler& a)
+		{
+			const auto ret = a.newLabel();
+			const auto original = a.newLabel();
+
+			a.pushad64();
+			a.mov(rax, qword_ptr(0x1425F7210)); // virtualLobbyInFiringRange
+			a.cmp(byte_ptr(rax, 0x10), 1);
+			a.je(original);
+			a.call_aligned(game::VirtualLobby_Loaded);
+			a.cmp(al, 0);
+			a.je(original);
+
+			// virtuallobby
+			a.popad64();
+			a.mov(rax, ptr(reinterpret_cast<int64_t>(&virtualLobby_fovscale)));
+			a.jmp(ret);
+
+			// original
+			a.bind(original);
+			a.popad64();
+			a.mov(rax, qword_ptr(0x1413A8580));
+			a.jmp(ret);
+
+			a.bind(ret);
+			a.mov(rcx, 0x142935000);
+			a.jmp(0x1400B556A);
+		});
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			if (!game::environment::is_mp())
+			{
+				return;
+			}
+
+			virtualLobby_fovscale = dvars::register_float("virtualLobby_fovScale", 0.7f, 0.0f, 2.0f, game::DVAR_FLAG_SAVED);
+
+			utils::hook::nop(0x1400B555C, 14);
+			utils::hook::jump(0x1400B555C, get_fovscale_stub, true);
+		}
+	};
+}
+
+REGISTER_COMPONENT(virtuallobby::component)
diff --git a/src/client/game/game.cpp b/src/client/game/game.cpp
index d47c6bc2..9045761b 100644
--- a/src/client/game/game.cpp
+++ b/src/client/game/game.cpp
@@ -23,6 +23,11 @@ namespace game
 		return sv_cmd_args->argv[sv_cmd_args->nesting][index];
 	}
 
+	bool VirtualLobby_Loaded()
+	{
+		return !game::environment::is_sp() && *mp::virtualLobby_loaded == 1;
+	}
+
 	namespace environment
 	{
 		launcher::mode mode = launcher::mode::none;
diff --git a/src/client/game/symbols.hpp b/src/client/game/symbols.hpp
index 6606fea6..8a74144b 100644
--- a/src/client/game/symbols.hpp
+++ b/src/client/game/symbols.hpp
@@ -204,6 +204,8 @@ namespace game
 		WEAK symbol<gentity_s> g_entities{0, 0x14621E530};
 		WEAK symbol<client_t> svs_clients{0, 0x14B204A10};
 		WEAK symbol<int> gameTime{0, 0x14621BDBC};
+
+		WEAK symbol<bool> virtualLobby_loaded{ 0, 0x142D077FD };
 	}
 
 	namespace sp