YimMenu/src/hooks/protections/received_event.cpp

#include "gta/enums.hpp"
#include "gta/net_game_event.hpp"
#include "hooking.hpp"

namespace big
{
	void hooks::received_event(
		rage::netEventMgr* event_manager,
		CNetGamePlayer* source_player,
		CNetGamePlayer* target_player,
		uint16_t event_id,
		int event_index,
		int event_handled_bitset,
		int buffer_size,
		rage::datBitBuffer* buffer
	)
	{
		if (event_id > 91u)
		{
			g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);

			return;
		}

		const auto event_name = *(char**)((DWORD64)event_manager + 8i64 * event_id + 243376);
		if (event_name == nullptr || source_player == nullptr || source_player->m_player_id < 0 || source_player->m_player_id >= 32)
		{
			g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
			return;
		}

		switch (static_cast<eNetworkEvents>(event_id))
		{
		case eNetworkEvents::CKickVotesEvent:
		{
			std::uint32_t player_bitfield;
			buffer->ReadDword(&player_bitfield, 32);
			if (player_bitfield & 1 << target_player->m_player_id)
			{
				if (g->notifications.received_event.kick_vote.log)
					LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " is voting to kick us.";
				if (g->notifications.received_event.kick_vote.notify)
					g_notification_service->push_warning("Kick Vote",
						std::format("{} is voting to kick us.", source_player->get_name()));
			}
			buffer->Seek(0);
			break;
		}
		case eNetworkEvents::CNetworkIncrementStatEvent:
		{
			const auto increment_stat_event = std::make_unique<CNetworkIncrementStatEvent>();
			buffer->ReadDword(&increment_stat_event->m_stat, 0x20);
			buffer->ReadDword(&increment_stat_event->m_amount, 0x20);
			if (hooks::increment_stat_event(increment_stat_event.get(), source_player))
			{
				g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);

				return;
			}
			buffer->Seek(0);
			break;
		}
		case eNetworkEvents::CScriptEntityStateChangeEvent:
		{
			uint16_t entity;
			buffer->ReadWord(&entity, 13);
			uint32_t type;
			buffer->ReadDword(&type, 4);
			uint32_t unk;
			buffer->ReadDword(&unk, 32);
			if (type == 6) {
				uint16_t unk2;
				buffer->ReadWord(&unk2, 13);
				uint32_t action;
				buffer->ReadDword(&action, 8);
				if (action >= 15 && action <= 18) {
					g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);
					if (g->notifications.received_event.vehicle_temp_action.log)
						LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " sent TASK_VEHICLE_TEMP_ACTION crash.";
					if (g->notifications.received_event.vehicle_temp_action.notify)
						g_notification_service->push_warning("Protection",
							std::format("{} sent TASK_VEHICLE_TEMP_ACTION crash.", source_player->get_name()));

					return;
				}
			}
			buffer->Seek(0);
			break;
		}
		case eNetworkEvents::CScriptedGameEvent:
		{
			const auto scripted_game_event = std::make_unique<CScriptedGameEvent>();
			buffer->ReadDword(&scripted_game_event->m_args_size, 32);
			if (scripted_game_event->m_args_size - 1 <= 0x1AF)
				buffer->ReadArray(&scripted_game_event->m_args, 8 * scripted_game_event->m_args_size);

			if (hooks::scripted_game_event(scripted_game_event.get(), source_player))
			{
				g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);

				return;
			}
			buffer->Seek(0);

			break;
		}
		case eNetworkEvents::CNetworkClearPedTasksEvent:
		{
			if (source_player->m_player_id < 32)
			{
				g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);

				if (g->notifications.received_event.clear_ped_task.log)
					LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " sent CLEAR_PED_TASKS event.";

				if (g->notifications.received_event.clear_ped_task.notify)
					g_notification_service->push_warning("Protection",
						std::format("{} possible attempt at freezing entity.", source_player->get_name())
					);

				return;
			}

			break;
		}
		// Don't block this event, we still want to report this player
		// because if we still report others, our account seems less fishy
		case eNetworkEvents::CReportCashSpawnEvent:
		{
			uint32_t money;

			buffer->Seek(64);
			buffer->ReadDword(&money, 32);
			buffer->Seek(0);

			if (money >= 2000)
			{
				if (g->notifications.received_event.report_cash_spawn.log)
					LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " sent REPORT_CASH_SPAWN event.";

				if (g->notifications.received_event.report_cash_spawn.notify)
					g_notification_service->push_warning("Protection",
						std::format("{} is spawning cash.", source_player->get_name())
					);
			}

			break;
		}
		// player sending this event is a modder
		case eNetworkEvents::CNetworkCheckCodeCrcsEvent:
		case eNetworkEvents::CUpdateFxnEvent:
		{
			if (g->notifications.received_event.modder_detect.log)
				LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " sent modder event.";

			if (g->notifications.received_event.modder_detect.notify)
				g_notification_service->push_warning("Protection",
					std::format("{} sent out a modder event.", source_player->get_name())
				);

			break;
		}
		case eNetworkEvents::CRequestControlEvent:
		{
			g_pointers->m_send_event_ack(event_manager, source_player, target_player, event_index, event_handled_bitset);

			if (g->notifications.received_event.request_control_event.log)
				LOG(INFO) << "RECEIVED_EVENT_HANDLER : " << source_player->get_name() << " sent modder event.";

			if (g->notifications.received_event.request_control_event.notify)
				g_notification_service->push_warning("Protection",
					std::format("Denied player control request from {}", source_player->get_name())
				);

			return;
		}
		default:
			break;
		}

		return g_hooking->get_original<received_event>()(event_manager, source_player, target_player, event_id, event_index, event_handled_bitset, buffer_size, buffer);
	}
}