iw4x-client/src/Components/Modules/QuickPatch.cpp

#include "STDInclude.hpp"

namespace Components
{
	std::vector<QuickPatch::Callback> QuickPatch::ShutdownCallbacks;

	int64_t* QuickPatch::GetStatsID()
	{
		static int64_t id = 0x110000100001337;
		return &id;
	}

	void QuickPatch::OnShutdown(QuickPatch::Callback callback)
	{
		QuickPatch::ShutdownCallbacks.push_back(callback);
	}

	void QuickPatch::ShutdownStub(int channel, const char* message)
	{
		Game::Com_Printf(0, message);

		for (auto callback : QuickPatch::ShutdownCallbacks)
		{
			if (callback) callback();
		}
	}

	void QuickPatch::UnlockStats()
	{
		Command::Execute("setPlayerData prestige 10");
		Command::Execute("setPlayerData experience 2516000");
		Command::Execute("setPlayerData iconUnlocked cardicon_prestige10_02 1");

		// Unlock challenges
		Game::StringTable* challengeTable = Game::DB_FindXAssetHeader(Game::XAssetType::ASSET_TYPE_STRINGTABLE, "mp/allchallengestable.csv").stringTable;

		if (challengeTable)
		{
			for (int i = 0; i < challengeTable->rowCount; ++i)
			{
				// Find challenge
				const char* challenge = Game::TabeLookup(challengeTable, i, 0);

				int maxState = 0;
				int maxProgress = 0;

				// Find correct tier and progress
				for (int j = 0; j < 10; ++j)
				{
					int progress = atoi(Game::TabeLookup(challengeTable, i, 6 + j * 2));
					if (!progress )break;

					maxState = j + 2;
					maxProgress = progress;
				}

				Command::Execute(Utils::VA("setPlayerData challengeState %s %d", challenge, maxState));
				Command::Execute(Utils::VA("setPlayerData challengeProgress %s %d", challenge, maxProgress));
			}
		}
	}

	QuickPatch::QuickPatch()
	{
		// protocol version (workaround for hacks)
		Utils::Hook::Set<int>(0x4FB501, PROTOCOL);

		// protocol command
		Utils::Hook::Set<int>(0x4D36A9, PROTOCOL);
		Utils::Hook::Set<int>(0x4D36AE, PROTOCOL);
		Utils::Hook::Set<int>(0x4D36B3, PROTOCOL);

		// internal version is 99, most servers should accept it
		Utils::Hook::Set<int>(0x463C61, 208);

		// remove system pre-init stuff (improper quit, disk full)
		Utils::Hook::Set<BYTE>(0x411350, 0xC3);

		// remove STEAMSTART checking for DRM IPC
		Utils::Hook::Nop(0x451145, 5);
		Utils::Hook::Set<BYTE>(0x45114C, 0xEB);

		// LSP disabled
		Utils::Hook::Set<BYTE>(0x435950, 0xC3); // LSP HELLO
		Utils::Hook::Set<BYTE>(0x49C220, 0xC3); // We wanted to send a logging packet, but we haven't connected to LSP!
		Utils::Hook::Set<BYTE>(0x4BD900, 0xC3); // main LSP response func
		Utils::Hook::Set<BYTE>(0x682170, 0xC3); // Telling LSP that we're playing a private match

		// Don't delete config files if corrupted
		Utils::Hook::Set<BYTE>(0x47DCB3, 0xEB);
		Utils::Hook::Set<BYTE>(0x4402B6, 0);

		// hopefully allow alt-tab during game, used at least in alt-enter handling
		Utils::Hook::Set<DWORD>(0x45ACE0, 0xC301B0);

		// fs_basegame
		Utils::Hook::Set<char*>(0x6431D1, "data2");

		// UI version string
		Utils::Hook::Set<char*>(0x43F73B, "iw4x IW4x: r" REVISION_STR "-" MILESTONE);

		// console version string
		Utils::Hook::Set<char*>(0x4B12BB, "iw4x IW4x r" REVISION_STR "-" MILESTONE " (built " __DATE__ " " __TIME__ ")");

		// version string
		Utils::Hook::Set<char*>(0x60BD56, "iw4x IW4x (r" REVISION_STR ")");

		// console title
		Utils::Hook::Set<char*>(0x4289E8, "iw4x IW4x (r" REVISION_STR "): Console");

		// window title
		Utils::Hook::Set<char*>(0x5076A0, "iw4x IW4x: Multiplayer");

		// sv_hostname
		Utils::Hook::Set<char*>(0x4D378B, "IW4Host");

		// shortversion
		Utils::Hook::Set<char*>(0x60BD91, VERSION_STR);

		// console logo
		Utils::Hook::Set<char*>(0x428A66, "data/images/logo.bmp");

		// splash logo
		Utils::Hook::Set<char*>(0x475F9E, "data/images/splash.bmp");

		// Numerical ping (cg_scoreboardPingText 1)
		Utils::Hook::Set<BYTE>(0x45888E, 1);
		Utils::Hook::Set<BYTE>(0x45888C, Game::dvar_flag::DVAR_FLAG_CHEAT);

		// increase font sizes for chat on higher resolutions
		static float float13 = 13.0f;
		static float float10 = 10.0f;
		Utils::Hook::Set<float*>(0x5814AE, &float13);
		Utils::Hook::Set<float*>(0x5814C8, &float10);

		// Enable commandline arguments
		Utils::Hook::Set<BYTE>(0x464AE4, 0xEB);

		// remove limit on IWD file loading
		Utils::Hook::Set<BYTE>(0x642BF3, 0xEB);

		// Disable UPNP
		Utils::Hook::Nop(0x60BE24, 5);

		// disable the IWNet IP detection (default 'got ipdetect' flag to 1)
		Utils::Hook::Set<BYTE>(0x649D6F0, 1);

		// Fix stats sleeping
		Utils::Hook::Set<BYTE>(0x6832BA, 0xEB);
		Utils::Hook::Set<BYTE>(0x4BD190, 0xC3);

		// default sv_pure to 0
		Utils::Hook::Set<BYTE>(0x4D3A74, 0);

		// Force debug logging
		Utils::Hook::Nop(0x4AA89F, 2);
		Utils::Hook::Nop(0x4AA8A1, 6);

		// remove activeAction execution (exploit in mods)
		Utils::Hook::Set<BYTE>(0x5A1D43, 0xEB);

		// disable bind protection
		Utils::Hook::Set<BYTE>(0x4DACA2, 0xEB);

		// require Windows 5
		Utils::Hook::Set<BYTE>(0x467ADF, 5);
		Utils::Hook::Set<char>(0x6DF5D6, '5');

		// disable 'ignoring asset' notices
		Utils::Hook::Nop(0x5BB902, 5);

		// disable migration_dvarErrors
		Utils::Hook::Set<BYTE>(0x60BDA7, 0);

		// allow joining 'developer 1' servers
		Utils::Hook::Set<BYTE>(0x478BA2, 0xEB);

		// fs_game fixes
		Utils::Hook::Nop(0x4A5D74, 2); // remove fs_game profiles
		Utils::Hook::Set<BYTE>(0x4081FD, 0xEB); // defaultweapon

		// Filter log (initially com_logFilter, but I don't see why that dvar is needed)
		Utils::Hook::Nop(0x647466, 5); // 'dvar set' lines
		Utils::Hook::Nop(0x5DF4F2, 5); // 'sending splash open' lines

		// intro stuff
		Utils::Hook::Nop(0x60BEE9, 5); // Don't show legals
		Utils::Hook::Set<char*>(0x60BED2, "unskippablecinematic IW_logo\n");
		Utils::Hook::Nop(0x60BEF6, 5); // Don't reset intro dvar

		Utils::Hook(0x4D4007, QuickPatch::ShutdownStub, HOOK_CALL).Install()->Quick();

		// Rename stat file - TODO: beautify
		Utils::Hook::SetString(0x71C048, "iw4x.stat");

		// Patch stats steamid
		Utils::Hook::Nop(0x682EBF, 20);
		Utils::Hook::Nop(0x6830B1, 20);
		Utils::Hook(0x682EBF, QuickPatch::GetStatsID, HOOK_CALL).Install()->Quick();
		Utils::Hook(0x6830B1, QuickPatch::GetStatsID, HOOK_CALL).Install()->Quick();

		Command::Add("unlockstats", [] (Command::Params params)
		{
			QuickPatch::UnlockStats();
		});
	}

	QuickPatch::~QuickPatch()
	{
		QuickPatch::ShutdownCallbacks.clear();
	}
}