h1-mod/src/client/component/virtuallobby.cpp

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2022-02-26 17:31:12 -05:00
#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)