78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
#include <std_include.hpp>
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#include <loader/module_loader.hpp>
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#include <utils/hook.hpp>
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#include "game/game.hpp"
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class patches final : public module
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{
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public:
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void post_load() override
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{
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if (!game::is_dedi()) this->patch_clients();
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if (game::is_sp()) this->patch_sp();
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else if (game::is_mp()) this->patch_mp();
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else if (game::is_dedi()) this->patch_dedi();
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utils::hook(game::native::_longjmp, long_jump_stub, HOOK_JUMP).install()->quick();
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}
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private:
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void patch_clients() const
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{
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// Remove improper quit check
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utils::hook::nop(SELECT_VALUE(0x53444A, 0x5CCDC0, 0), 9);
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// Ignore sdm files
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utils::hook::nop(SELECT_VALUE(0x4438BA, 0x6371EA, 0), 2);
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}
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void patch_sp() const
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{
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// SP doesn't initialize WSA
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WSADATA wsa_data;
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WSAStartup(MAKEWORD(2, 2), &wsa_data);
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// Disable remote storage
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utils::hook::set<BYTE>(0x663B5A, 0xEB);
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utils::hook::set<BYTE>(0x663C54, 0xEB);
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}
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void patch_mp() const
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{
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// Note: on SP the max value is already 1000
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utils::hook(0x55411F, &dvar_register_com_max_fps, HOOK_CALL).install()->quick();
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}
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void patch_dedi() const
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{
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// Skip call to queryserverinfo handler in SV_ConnectionlessPacket
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utils::hook::nop(0x4FE051, 5);
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// Disable callvote/vote exploit
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utils::hook::nop(0x47EB9D, 5);
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utils::hook::nop(0x47EBC9, 5);
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}
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static __declspec(noreturn) void long_jump_stub(jmp_buf buf, const int value) noexcept(false)
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{
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#ifdef DEBUG
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{
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printf("Unwinding the stack...\n");
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}
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#endif
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longjmp(buf, value);
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}
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static const game::native::dvar_t* dvar_register_com_max_fps(const char* dvarName, int value,
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int min, int /*max*/, unsigned __int16 /*flags*/, const char* description)
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{
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return game::native::Dvar_RegisterInt(dvarName, value, min, 1000,
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game::native::dvar_flags::DVAR_ARCHIVE, description);
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}
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};
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REGISTER_MODULE(patches)
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