vcmi/server/processors/PlayerMessageProcessor.cpp

/*
 * CGameHandler.cpp, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */
#include "StdInc.h"
#include "PlayerMessageProcessor.h"

#include "TurnOrderProcessor.h"

#include "../CGameHandler.h"
#include "../CVCMIServer.h"
#include "../TurnTimerHandler.h"

#include "../../lib/CHeroHandler.h"
#include "../../lib/CPlayerState.h"
#include "../../lib/StartInfo.h"
#include "../../lib/gameState/CGameState.h"
#include "../../lib/mapObjects/CGTownInstance.h"
#include "../../lib/mapObjects/CGHeroInstance.h"
#include "../../lib/modding/IdentifierStorage.h"
#include "../../lib/modding/ModScope.h"
#include "../../lib/mapping/CMap.h"
#include "../../lib/networkPacks/PacksForClient.h"
#include "../../lib/networkPacks/StackLocation.h"
#include "../../lib/serializer/Connection.h"

PlayerMessageProcessor::PlayerMessageProcessor(CGameHandler * gameHandler)
	:gameHandler(gameHandler)
{
}

void PlayerMessageProcessor::playerMessage(PlayerColor player, const std::string & message, ObjectInstanceID currObj)
{
	if(!message.empty() && message[0] == '!')
	{
		broadcastMessage(player, message);
		handleCommand(player, message);
		return;
	}

	if(handleCheatCode(message, player, currObj))
	{
		if(!gameHandler->getPlayerSettings(player)->isControlledByAI())
		{
			MetaString txt;
			txt.appendLocalString(EMetaText::GENERAL_TXT, 260);
			broadcastSystemMessage(txt);
		}

		if(!player.isSpectator())
			gameHandler->checkVictoryLossConditionsForPlayer(player); //Player enter win code or got required art\creature

		return;
	}

	broadcastMessage(player, message);
}

void PlayerMessageProcessor::commandExit(PlayerColor player, const std::vector<std::string> & words)
{
	bool isHost = gameHandler->gameLobby()->isPlayerHost(player);
	if(!isHost)
		return;

	broadcastSystemMessage("game was terminated");
	gameHandler->gameLobby()->setState(EServerState::SHUTDOWN);
}

void PlayerMessageProcessor::commandKick(PlayerColor player, const std::vector<std::string> & words)
{
	bool isHost = gameHandler->gameLobby()->isPlayerHost(player);
	if(!isHost)
		return;

	if(words.size() == 2)
	{
		auto playername = words[1];
		PlayerColor playerToKick(PlayerColor::CANNOT_DETERMINE);
		if(std::all_of(playername.begin(), playername.end(), ::isdigit))
			playerToKick = PlayerColor(std::stoi(playername));
		else
		{
			for(auto & c : gameHandler->connections)
			{
				if(c.first.toString() == playername)
					playerToKick = c.first;
			}
		}

		if(playerToKick != PlayerColor::CANNOT_DETERMINE)
		{
			PlayerCheated pc;
			pc.player = playerToKick;
			pc.losingCheatCode = true;
			gameHandler->sendAndApply(&pc);
			gameHandler->checkVictoryLossConditionsForPlayer(playerToKick);
		}
	}
}

void PlayerMessageProcessor::commandSave(PlayerColor player, const std::vector<std::string> & words)
{
	bool isHost = gameHandler->gameLobby()->isPlayerHost(player);
	if(!isHost)
		return;

	if(words.size() == 2)
	{
		gameHandler->save("Saves/" + words[1]);
		broadcastSystemMessage("game saved as " + words[1]);
	}
}

void PlayerMessageProcessor::commandCheaters(PlayerColor player, const std::vector<std::string> & words)
{
	int playersCheated = 0;
	for(const auto & player : gameHandler->gameState()->players)
	{
		if(player.second.cheated)
		{
			broadcastSystemMessage("Player " + player.first.toString() + " is cheater!");
			playersCheated++;
		}
	}

	if(!playersCheated)
		broadcastSystemMessage("No cheaters registered!");
}

void PlayerMessageProcessor::commandHelp(PlayerColor player, const std::vector<std::string> & words)
{
	broadcastSystemMessage("Available commands to host:");
	broadcastSystemMessage("'!exit' - immediately ends current game");
	broadcastSystemMessage("'!kick <player>' - kick specified player from the game");
	broadcastSystemMessage("'!save <filename>' - save game under specified filename");
	broadcastSystemMessage("Available commands to all players:");
	broadcastSystemMessage("'!help' - display this help");
	broadcastSystemMessage("'!cheaters' - list players that entered cheat command during game");
	broadcastSystemMessage("'!vote' - allows to change some game settings if all players vote for it");
}

void PlayerMessageProcessor::commandVote(PlayerColor player, const std::vector<std::string> & words)
{
	if(words.size() < 2)
	{
		broadcastSystemMessage("'!vote simturns allow X' - allow simultaneous turns for specified number of days, or until contact");
		broadcastSystemMessage("'!vote simturns force X' - force simultaneous turns for specified number of days, blocking player contacts");
		broadcastSystemMessage("'!vote simturns abort' - abort simultaneous turns once this turn ends");
		broadcastSystemMessage("'!vote timer prolong X' - prolong base timer for all players by specified number of seconds");
		return;
	}

	if(words[1] == "yes" || words[1] == "no")
	{
		if(currentVote == ECurrentChatVote::NONE)
		{
			broadcastSystemMessage("No active voting!");
			return;
		}

		if(words[1] == "yes")
		{
			awaitingPlayers.erase(player);
			if(awaitingPlayers.empty())
				finishVoting();
			return;
		}
		if(words[1] == "no")
		{
			abortVoting();
			return;
		}
	}

	const auto & parseNumber = [](const std::string & input) -> std::optional<int>
	{
		try
		{
			return std::stol(input);
		}
		catch(std::logic_error &)
		{
			return std::nullopt;
		}
	};

	if(words[1] == "simturns" && words.size() > 2)
	{
		if(words[2] == "allow" && words.size() > 3)
		{
			auto daysCount = parseNumber(words[3]);
			if(daysCount && daysCount.value() > 0)
				startVoting(player, ECurrentChatVote::SIMTURNS_ALLOW, daysCount.value());
			return;
		}

		if(words[2] == "force" && words.size() > 3)
		{
			auto daysCount = parseNumber(words[3]);
			if(daysCount && daysCount.value() > 0)
				startVoting(player, ECurrentChatVote::SIMTURNS_FORCE, daysCount.value());
			return;
		}

		if(words[2] == "abort")
		{
			startVoting(player, ECurrentChatVote::SIMTURNS_ABORT, 0);
			return;
		}
	}

	if(words[1] == "timer" && words.size() > 2)
	{
		if(words[2] == "prolong" && words.size() > 3)
		{
			auto secondsCount = parseNumber(words[3]);
			if(secondsCount && secondsCount.value() > 0)
				startVoting(player, ECurrentChatVote::TIMER_PROLONG, secondsCount.value());
			return;
		}
	}

	broadcastSystemMessage("Voting command not recognized!");
}

void PlayerMessageProcessor::finishVoting()
{
	switch(currentVote)
	{
		case ECurrentChatVote::SIMTURNS_ALLOW:
			broadcastSystemMessage("Voting successful. Simultaneous turns will run for " + std::to_string(currentVoteParameter) + " more days, or until contact");
			gameHandler->turnOrder->setMaxSimturnsDuration(currentVoteParameter);
			break;
		case ECurrentChatVote::SIMTURNS_FORCE:
			broadcastSystemMessage("Voting successful. Simultaneous turns will run for " + std::to_string(currentVoteParameter) + " more days. Contacts are blocked");
			gameHandler->turnOrder->setMinSimturnsDuration(currentVoteParameter);
			break;
		case ECurrentChatVote::SIMTURNS_ABORT:
			broadcastSystemMessage("Voting successful. Simultaneous turns will end on next day");
			gameHandler->turnOrder->setMinSimturnsDuration(0);
			gameHandler->turnOrder->setMaxSimturnsDuration(0);
			break;
		case ECurrentChatVote::TIMER_PROLONG:
			broadcastSystemMessage("Voting successful. Timer for all players has been prolonger for " + std::to_string(currentVoteParameter) + " seconds");
			gameHandler->turnTimerHandler->prolongTimers(currentVoteParameter * 1000);
			break;
	}

	currentVote = ECurrentChatVote::NONE;
	currentVoteParameter = -1;
}

void PlayerMessageProcessor::abortVoting()
{
	broadcastSystemMessage("Player voted against change. Voting aborted");
	currentVote = ECurrentChatVote::NONE;
}

void PlayerMessageProcessor::startVoting(PlayerColor initiator, ECurrentChatVote what, int parameter)
{
	currentVote = what;
	currentVoteParameter = parameter;

	switch(currentVote)
	{
		case ECurrentChatVote::SIMTURNS_ALLOW:
			broadcastSystemMessage("Started voting to allow simultaneous turns for " + std::to_string(parameter) + " more days");
			break;
		case ECurrentChatVote::SIMTURNS_FORCE:
			broadcastSystemMessage("Started voting to force simultaneous turns for " + std::to_string(parameter) + " more days");
			break;
		case ECurrentChatVote::SIMTURNS_ABORT:
			broadcastSystemMessage("Started voting to end simultaneous turns starting from next day");
			break;
		case ECurrentChatVote::TIMER_PROLONG:
			broadcastSystemMessage("Started voting to prolong timer for all players by " + std::to_string(parameter) + " seconds");
			break;
		default:
			return;
	}

	broadcastSystemMessage("Type '!vote yes' to agree to this change or '!vote no' to vote against it");
	awaitingPlayers.clear();

	for(PlayerColor player(0); player < PlayerColor::PLAYER_LIMIT; ++player)
	{
		auto state = gameHandler->getPlayerState(player, false);
		if(state && state->isHuman() && initiator != player)
			awaitingPlayers.insert(player);
	}

	if(awaitingPlayers.empty())
		finishVoting();
}

void PlayerMessageProcessor::handleCommand(PlayerColor player, const std::string & message)
{
	if(message.empty() || message[0] != '!')
		return;

	std::vector<std::string> words;
	boost::split(words, message, boost::is_any_of(" "));

	if(words[0] == "!exit" || words[0] == "!quit")
		commandExit(player, words);
	if(words[0] == "!help")
		commandHelp(player, words);
	if(words[0] == "!vote")
		commandVote(player, words);
	if(words[0] == "!kick")
		commandKick(player, words);
	if(words[0] == "!save")
		commandSave(player, words);
	if(words[0] == "!cheaters")
		commandCheaters(player, words);
}

void PlayerMessageProcessor::cheatGiveSpells(PlayerColor player, const CGHeroInstance * hero)
{
	if (!hero)
		return;

	///Give hero spellbook
	if (!hero->hasSpellbook())
		gameHandler->giveHeroNewArtifact(hero, ArtifactID(ArtifactID::SPELLBOOK).toArtifact(), ArtifactPosition::SPELLBOOK);

	///Give all spells with bonus (to allow banned spells)
	GiveBonus giveBonus(GiveBonus::ETarget::OBJECT);
	giveBonus.id = hero->id;
	giveBonus.bonus = Bonus(BonusDuration::PERMANENT, BonusType::SPELLS_OF_LEVEL, BonusSource::OTHER, 0, BonusSourceID());
	//start with level 0 to skip abilities
	for (int level = 1; level <= GameConstants::SPELL_LEVELS; level++)
	{
		giveBonus.bonus.subtype = BonusCustomSubtype::spellLevel(level);
		gameHandler->sendAndApply(&giveBonus);
	}

	///Give mana
	SetMana sm;
	sm.hid = hero->id;
	sm.val = 999;
	sm.absolute = true;
	gameHandler->sendAndApply(&sm);
}

void PlayerMessageProcessor::cheatBuildTown(PlayerColor player, const CGTownInstance * town)
{
	if (!town)
		return;

	for (auto & build : town->town->buildings)
	{
		if (!town->hasBuilt(build.first)
			&& !build.second->getNameTranslated().empty()
			&& build.first != BuildingID::SHIP)
		{
			gameHandler->buildStructure(town->id, build.first, true);
		}
	}
}

void PlayerMessageProcessor::cheatGiveArmy(PlayerColor player, const CGHeroInstance * hero, std::vector<std::string> words)
{
	if (!hero)
		return;

	std::string creatureIdentifier = words.empty() ? "archangel" : words[0];
	std::optional<int> amountPerSlot;

	try
	{
		amountPerSlot = std::stol(words.at(1));
	}
	catch(std::logic_error&)
	{
	}

	std::optional<int32_t> creatureId = VLC->identifiers()->getIdentifier(ModScope::scopeGame(), "creature", creatureIdentifier, false);

	if(creatureId.has_value())
	{
		const auto * creature = CreatureID(creatureId.value()).toCreature();

		for (int i = 0; i < GameConstants::ARMY_SIZE; i++)
		{
			if (!hero->hasStackAtSlot(SlotID(i)))
			{
				if (amountPerSlot.has_value())
					gameHandler->insertNewStack(StackLocation(hero, SlotID(i)), creature, *amountPerSlot);
				else
					gameHandler->insertNewStack(StackLocation(hero, SlotID(i)), creature, 5 * std::pow(10, i));
			}
		}
	}
}

void PlayerMessageProcessor::cheatGiveMachines(PlayerColor player, const CGHeroInstance * hero)
{
	if (!hero)
		return;

	if (!hero->getArt(ArtifactPosition::MACH1))
		gameHandler->giveHeroNewArtifact(hero, ArtifactID(ArtifactID::BALLISTA).toArtifact(), ArtifactPosition::MACH1);
	if (!hero->getArt(ArtifactPosition::MACH2))
		gameHandler->giveHeroNewArtifact(hero, ArtifactID(ArtifactID::AMMO_CART).toArtifact(), ArtifactPosition::MACH2);
	if (!hero->getArt(ArtifactPosition::MACH3))
		gameHandler->giveHeroNewArtifact(hero, ArtifactID(ArtifactID::FIRST_AID_TENT).toArtifact(), ArtifactPosition::MACH3);
}

void PlayerMessageProcessor::cheatGiveArtifacts(PlayerColor player, const CGHeroInstance * hero, std::vector<std::string> words)
{
	if (!hero)
		return;

	if (!words.empty())
	{
		for (auto const & word : words)
		{
			auto artID = VLC->identifiers()->getIdentifier(ModScope::scopeGame(), "artifact", word, false);
			if(artID &&  VLC->arth->objects[*artID])
				gameHandler->giveHeroNewArtifact(hero, ArtifactID(*artID).toArtifact(), ArtifactPosition::FIRST_AVAILABLE);
		}
	}
	else
	{
		for(int g = 7; g < VLC->arth->objects.size(); ++g) //including artifacts from mods
		{
			if(VLC->arth->objects[g]->canBePutAt(hero))
				gameHandler->giveHeroNewArtifact(hero, ArtifactID(g).toArtifact(), ArtifactPosition::FIRST_AVAILABLE);
		}
	}
}

void PlayerMessageProcessor::cheatLevelup(PlayerColor player, const CGHeroInstance * hero, std::vector<std::string> words)
{
	if (!hero)
		return;

	int levelsToGain;
	try
	{
		levelsToGain = std::stol(words.at(0));
	}
	catch(std::logic_error&)
	{
		levelsToGain = 1;
	}

	gameHandler->giveExperience(hero, VLC->heroh->reqExp(hero->level + levelsToGain) - VLC->heroh->reqExp(hero->level));
}

void PlayerMessageProcessor::cheatExperience(PlayerColor player, const CGHeroInstance * hero, std::vector<std::string> words)
{
	if (!hero)
		return;

	int expAmountProcessed;

	try
	{
		expAmountProcessed = std::stol(words.at(0));
	}
	catch(std::logic_error&)
	{
		expAmountProcessed = 10000;
	}

	gameHandler->giveExperience(hero, expAmountProcessed);
}

void PlayerMessageProcessor::cheatMovement(PlayerColor player, const CGHeroInstance * hero, std::vector<std::string> words)
{
	if (!hero)
		return;

	SetMovePoints smp;
	smp.hid = hero->id;
	bool unlimited = false;
	try
	{
		smp.val = std::stol(words.at(0));
	}
	catch(std::logic_error&)
	{
		smp.val = 1000000;
		unlimited = true;
	}

	gameHandler->sendAndApply(&smp);

	GiveBonus gb(GiveBonus::ETarget::OBJECT);
	gb.bonus.type = BonusType::FREE_SHIP_BOARDING;
	gb.bonus.duration = unlimited ? BonusDuration::PERMANENT : BonusDuration::ONE_DAY;
	gb.bonus.source = BonusSource::OTHER;
	gb.id = hero->id;
	gameHandler->giveHeroBonus(&gb);

	if(unlimited)
	{
		GiveBonus gb(GiveBonus::ETarget::OBJECT);
		gb.bonus.type = BonusType::UNLIMITED_MOVEMENT;
		gb.bonus.duration = BonusDuration::PERMANENT;
		gb.bonus.source = BonusSource::OTHER;
		gb.id = hero->id;
		gameHandler->giveHeroBonus(&gb);
	}
}

void PlayerMessageProcessor::cheatResources(PlayerColor player, std::vector<std::string> words)
{
	int baseResourceAmount;
	try
	{
		baseResourceAmount = std::stol(words.at(0));
	}
	catch(std::logic_error&)
	{
		baseResourceAmount = 100;
	}

	TResources resources;
	resources[EGameResID::GOLD] = baseResourceAmount * 1000;
	for (GameResID i = EGameResID::WOOD; i < EGameResID::GOLD; ++i)
		resources[i] = baseResourceAmount;

	gameHandler->giveResources(player, resources);
}

void PlayerMessageProcessor::cheatVictory(PlayerColor player)
{
	PlayerCheated pc;
	pc.player = player;
	pc.winningCheatCode = true;
	gameHandler->sendAndApply(&pc);
}

void PlayerMessageProcessor::cheatDefeat(PlayerColor player)
{
	PlayerCheated pc;
	pc.player = player;
	pc.losingCheatCode = true;
	gameHandler->sendAndApply(&pc);
}

void PlayerMessageProcessor::cheatMapReveal(PlayerColor player, bool reveal)
{
	FoWChange fc;
	fc.mode = reveal ? ETileVisibility::REVEALED : ETileVisibility::HIDDEN;
	fc.player = player;
	const auto & fowMap = gameHandler->gameState()->getPlayerTeam(player)->fogOfWarMap;
	const auto & mapSize = gameHandler->gameState()->getMapSize();
	auto hlp_tab = new int3[mapSize.x * mapSize.y * mapSize.z];
	int lastUnc = 0;

	for(int z = 0; z < mapSize.z; z++)
		for(int x = 0; x < mapSize.x; x++)
			for(int y = 0; y < mapSize.y; y++)
				if(!(*fowMap)[z][x][y] || fc.mode == ETileVisibility::HIDDEN)
					hlp_tab[lastUnc++] = int3(x, y, z);

	fc.tiles.insert(hlp_tab, hlp_tab + lastUnc);
	delete [] hlp_tab;
	gameHandler->sendAndApply(&fc);
}

void PlayerMessageProcessor::cheatPuzzleReveal(PlayerColor player)
{
	TeamState *t = gameHandler->gameState()->getPlayerTeam(player);

	for(auto & obj : gameHandler->gameState()->map->objects)
	{
		if(obj && obj->ID == Obj::OBELISK && !obj->wasVisited(player))
		{
			gameHandler->setObjPropertyID(obj->id, ObjProperty::OBELISK_VISITED, t->id);
			for(const auto & color : t->players)
			{
				gameHandler->setObjPropertyID(obj->id, ObjProperty::VISITED, color);

				PlayerCheated pc;
				pc.player = color;
				gameHandler->sendAndApply(&pc);
			}
		}
	}
}

void PlayerMessageProcessor::cheatMaxLuck(PlayerColor player, const CGHeroInstance * hero)
{
	if (!hero)
		return;

	GiveBonus gb;
	gb.bonus = Bonus(BonusDuration::PERMANENT, BonusType::MAX_LUCK, BonusSource::OTHER, 0, BonusSourceID(Obj(Obj::NO_OBJ)));
	gb.id = hero->id;

	gameHandler->giveHeroBonus(&gb);
}

void PlayerMessageProcessor::cheatFly(PlayerColor player, const CGHeroInstance * hero)
{
	if (!hero)
		return;
		
	GiveBonus gb;
	gb.bonus = Bonus(BonusDuration::PERMANENT, BonusType::FLYING_MOVEMENT, BonusSource::OTHER, 0, BonusSourceID(Obj(Obj::NO_OBJ)));
	gb.id = hero->id;

	gameHandler->giveHeroBonus(&gb);
}

void PlayerMessageProcessor::cheatMaxMorale(PlayerColor player, const CGHeroInstance * hero)
{
	if (!hero)
		return;
		
	GiveBonus gb;
	gb.bonus = Bonus(BonusDuration::PERMANENT, BonusType::MAX_MORALE, BonusSource::OTHER, 0, BonusSourceID(Obj(Obj::NO_OBJ)));
	gb.id = hero->id;

	gameHandler->giveHeroBonus(&gb);
}

bool PlayerMessageProcessor::handleCheatCode(const std::string & cheat, PlayerColor player, ObjectInstanceID currObj)
{
	std::vector<std::string> words;
	boost::split(words, boost::trim_copy(cheat), boost::is_any_of("\t\r\n "));

	if (words.empty() || !gameHandler->getStartInfo()->extraOptionsInfo.cheatsAllowed)
		return false;

	//Make cheat name case-insensitive, but keep words/parameters (e.g. creature name) as it
	std::string cheatName = boost::to_lower_copy(words[0]);
	words.erase(words.begin());

	std::vector<std::string> townTargetedCheats = { "vcmiarmenelos", "vcmibuild", "nwczion" };
	std::vector<std::string> playerTargetedCheats = {
		"vcmiformenos",  "vcmiresources", "nwctheconstruct",
		"vcmimelkor",    "vcmilose",      "nwcbluepill",
		"vcmisilmaril",  "vcmiwin",       "nwcredpill",
		"vcmieagles",    "vcmimap",       "nwcwhatisthematrix",
		"vcmiungoliant", "vcmihidemap",   "nwcignoranceisbliss",
		"vcmiobelisk",                    "nwcoracle"
	};
	std::vector<std::string> heroTargetedCheats = {
		"vcmiainur",               "vcmiarchangel",   "nwctrinity",
		"vcmiangband",             "vcmiblackknight", "nwcagents",
		"vcmiglaurung",            "vcmicrystal",     "vcmiazure",
		"vcmifaerie",              "vcmiarmy",        "vcminissi",
		"vcmiistari",              "vcmispells",      "nwcthereisnospoon",
		"vcminoldor",              "vcmimachines",    "nwclotsofguns",
		"vcmiglorfindel",          "vcmilevel",       "nwcneo",
		"vcminahar",               "vcmimove",        "nwcnebuchadnezzar",
		"vcmiforgeofnoldorking",   "vcmiartifacts",
		"vcmiolorin",              "vcmiexp",
		"vcmiluck",                                   "nwcfollowthewhiterabbit", 
		"vcmimorale",                                 "nwcmorpheus",
		"vcmigod",                                    "nwctheone"
	};

	if (!vstd::contains(townTargetedCheats, cheatName) && !vstd::contains(playerTargetedCheats, cheatName) && !vstd::contains(heroTargetedCheats, cheatName))
		return false;

	bool playerTargetedCheat = false;

	for (const auto & i : gameHandler->gameState()->players)
	{
		if (words.empty())
			break;

		if (i.first == PlayerColor::NEUTRAL)
			continue;

		if (words.front() == "ai" && i.second.human)
			continue;

		if (words.front() != "all" && words.front() != i.first.toString())
			continue;

		std::vector<std::string> parameters = words;

		PlayerCheated pc;
		pc.player = i.first;
		gameHandler->sendAndApply(&pc);

		playerTargetedCheat = true;
		parameters.erase(parameters.begin());

		if (vstd::contains(playerTargetedCheats, cheatName))
			executeCheatCode(cheatName, i.first, ObjectInstanceID::NONE, parameters);

		if (vstd::contains(townTargetedCheats, cheatName))
			for (const auto & t : i.second.towns)
				executeCheatCode(cheatName, i.first, t->id, parameters);

		if (vstd::contains(heroTargetedCheats, cheatName))
			for (const auto & h : i.second.heroes)
				executeCheatCode(cheatName, i.first, h->id, parameters);
	}

	PlayerCheated pc;
	pc.player = player;
	gameHandler->sendAndApply(&pc);
	
	if (!playerTargetedCheat)
		executeCheatCode(cheatName, player, currObj, words);
	
	return true;
}

void PlayerMessageProcessor::executeCheatCode(const std::string & cheatName, PlayerColor player, ObjectInstanceID currObj, const std::vector<std::string> & words)
{
	const CGHeroInstance * hero = gameHandler->getHero(currObj);
	const CGTownInstance * town = gameHandler->getTown(currObj);
	if (!town && hero)
		town = hero->visitedTown;

	const auto & doCheatGiveSpells = [&]() { cheatGiveSpells(player, hero); };
	const auto & doCheatBuildTown = [&]() { cheatBuildTown(player, town); };
	const auto & doCheatGiveArmyCustom = [&]() { cheatGiveArmy(player, hero, words); };
	const auto & doCheatGiveArmyFixed = [&](std::vector<std::string> customWords) { cheatGiveArmy(player, hero, customWords); };
	const auto & doCheatGiveMachines = [&]() { cheatGiveMachines(player, hero); };
	const auto & doCheatGiveArtifacts = [&]() { cheatGiveArtifacts(player, hero, words); };
	const auto & doCheatLevelup = [&]() { cheatLevelup(player, hero, words); };
	const auto & doCheatExperience = [&]() { cheatExperience(player, hero, words); };
	const auto & doCheatMovement = [&]() { cheatMovement(player, hero, words); };
	const auto & doCheatResources = [&]() { cheatResources(player, words); };
	const auto & doCheatVictory = [&]() { cheatVictory(player); };
	const auto & doCheatDefeat = [&]() { cheatDefeat(player); };
	const auto & doCheatMapReveal = [&]() { cheatMapReveal(player, true); };
	const auto & doCheatMapHide = [&]() { cheatMapReveal(player, false); };
	const auto & doCheatRevealPuzzle = [&]() { cheatPuzzleReveal(player); };
	const auto & doCheatMaxLuck = [&]() { cheatMaxLuck(player, hero); };
	const auto & doCheatMaxMorale = [&]() { cheatMaxMorale(player, hero); };
	const auto & doCheatTheOne = [&]()
	{
		if(!hero)
			return;
		cheatMapReveal(player, true);
		cheatGiveArmy(player, hero, { "archangel", "5" });
		cheatMovement(player, hero, { });
		cheatFly(player, hero);
	};

	// Unimplemented H3 cheats:
	// nwcphisherprice - Changes and brightens the game colors.

	std::map<std::string, std::function<void()>> callbacks = {
		{"vcmiainur",              [&] () {doCheatGiveArmyFixed({ "archangel", "5" });} },
		{"nwctrinity",             [&] () {doCheatGiveArmyFixed({ "archangel", "5" });} },
		{"vcmiangband",            [&] () {doCheatGiveArmyFixed({ "blackKnight", "10" });} },
		{"vcmiglaurung",           [&] () {doCheatGiveArmyFixed({ "crystalDragon", "5000" });} },
		{"vcmiarchangel",          [&] () {doCheatGiveArmyFixed({ "archangel", "5" });} },
		{"nwcagents",              [&] () {doCheatGiveArmyFixed({ "blackKnight", "10" });} },
		{"vcmiblackknight",        [&] () {doCheatGiveArmyFixed({ "blackKnight", "10" });} },
		{"vcmicrystal",            [&] () {doCheatGiveArmyFixed({ "crystalDragon", "5000" });} },
		{"vcmiazure",              [&] () {doCheatGiveArmyFixed({ "azureDragon", "5000" });} },
		{"vcmifaerie",             [&] () {doCheatGiveArmyFixed({ "fairieDragon", "5000" });} },
		{"vcmiarmy",                doCheatGiveArmyCustom },
		{"vcminissi",               doCheatGiveArmyCustom },
		{"vcmiistari",              doCheatGiveSpells     },
		{"vcmispells",              doCheatGiveSpells     },
		{"nwcthereisnospoon",       doCheatGiveSpells     },
		{"vcmiarmenelos",           doCheatBuildTown      },
		{"vcmibuild",               doCheatBuildTown      },
		{"nwczion",                 doCheatBuildTown      },
		{"vcminoldor",              doCheatGiveMachines   },
		{"vcmimachines",            doCheatGiveMachines   },
		{"nwclotsofguns",           doCheatGiveMachines   },
		{"vcmiforgeofnoldorking",   doCheatGiveArtifacts  },
		{"vcmiartifacts",           doCheatGiveArtifacts  },
		{"vcmiglorfindel",          doCheatLevelup        },
		{"vcmilevel",               doCheatLevelup        },
		{"nwcneo",                  doCheatLevelup        },
		{"vcmiolorin",              doCheatExperience     },
		{"vcmiexp",                 doCheatExperience     },
		{"vcminahar",               doCheatMovement       },
		{"vcmimove",                doCheatMovement       },
		{"nwcnebuchadnezzar",       doCheatMovement       },
		{"vcmiformenos",            doCheatResources      },
		{"vcmiresources",           doCheatResources      },
		{"nwctheconstruct",         doCheatResources      },
		{"nwcbluepill",             doCheatDefeat         },
		{"vcmimelkor",              doCheatDefeat         },
		{"vcmilose",                doCheatDefeat         },
		{"nwcredpill",              doCheatVictory        },
		{"vcmisilmaril",            doCheatVictory        },
		{"vcmiwin",                 doCheatVictory        },
		{"nwcwhatisthematrix",      doCheatMapReveal      },
		{"vcmieagles",              doCheatMapReveal      },
		{"vcmimap",                 doCheatMapReveal      },
		{"vcmiungoliant",           doCheatMapHide        },
		{"vcmihidemap",             doCheatMapHide        },
		{"nwcignoranceisbliss",     doCheatMapHide        },
		{"vcmiobelisk",             doCheatRevealPuzzle   },
		{"nwcoracle",               doCheatRevealPuzzle   },
		{"vcmiluck",                doCheatMaxLuck        },
		{"nwcfollowthewhiterabbit", doCheatMaxLuck        },
		{"vcmimorale",              doCheatMaxMorale      },
		{"nwcmorpheus",             doCheatMaxMorale      },
		{"vcmigod",                 doCheatTheOne         },
		{"nwctheone",               doCheatTheOne         },
	};

	assert(callbacks.count(cheatName));
	if (callbacks.count(cheatName))
		callbacks.at(cheatName)();
}

void PlayerMessageProcessor::sendSystemMessage(std::shared_ptr<CConnection> connection, MetaString message)
{
	SystemMessage sm;
	sm.text = message;
	connection->sendPack(&sm);
}

void PlayerMessageProcessor::sendSystemMessage(std::shared_ptr<CConnection> connection, const std::string & message)
{
	MetaString str;
	str.appendRawString(message);
	sendSystemMessage(connection, str);
}

void PlayerMessageProcessor::broadcastSystemMessage(MetaString message)
{
	SystemMessage sm;
	sm.text = message;
	gameHandler->sendToAllClients(&sm);
}

void PlayerMessageProcessor::broadcastSystemMessage(const std::string & message)
{
	MetaString str;
	str.appendRawString(message);
	broadcastSystemMessage(str);
}

void PlayerMessageProcessor::broadcastMessage(PlayerColor playerSender, const std::string & message)
{
	PlayerMessageClient temp_message(playerSender, message);
	gameHandler->sendAndApply(&temp_message);
}