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monster.cpp
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/**
* Canary - A free and open-source MMORPG server emulator
* Copyright (©) 2019-2024 OpenTibiaBR <opentibiabr@outlook.com>
* Repository: https://github.com/opentibiabr/canary
* License: https://github.com/opentibiabr/canary/blob/main/LICENSE
* Contributors: https://github.com/opentibiabr/canary/graphs/contributors
* Website: https://docs.opentibiabr.com/
*/
#include "pch.hpp"
#include "creatures/monsters/monster.hpp"
#include "creatures/combat/spells.hpp"
#include "creatures/players/wheel/player_wheel.hpp"
#include "game/game.hpp"
#include "game/scheduling/dispatcher.hpp"
#include "lua/callbacks/event_callback.hpp"
#include "lua/callbacks/events_callbacks.hpp"
#include "map/spectators.hpp"
int32_t Monster::despawnRange;
int32_t Monster::despawnRadius;
uint32_t Monster::monsterAutoID = 0x50000001;
std::shared_ptr<Monster> Monster::createMonster(const std::string &name) {
const auto mType = g_monsters().getMonsterType(name);
if (!mType) {
return nullptr;
}
return std::make_shared<Monster>(mType);
}
Monster::Monster(const std::shared_ptr<MonsterType> mType) :
Creature(),
strDescription(asLowerCaseString(mType->nameDescription)),
mType(mType) {
defaultOutfit = mType->info.outfit;
currentOutfit = mType->info.outfit;
skull = mType->info.skull;
health = mType->info.health * mType->getHealthMultiplier();
healthMax = mType->info.healthMax * mType->getHealthMultiplier();
runAwayHealth = mType->info.runAwayHealth * mType->getHealthMultiplier();
baseSpeed = mType->getBaseSpeed();
internalLight = mType->info.light;
hiddenHealth = mType->info.hiddenHealth;
targetDistance = mType->info.targetDistance;
// Register creature events
for (const std::string &scriptName : mType->info.scripts) {
if (!registerCreatureEvent(scriptName)) {
g_logger().warn("[Monster::Monster] - "
"Unknown event name: {}",
scriptName);
}
}
}
void Monster::addList() {
g_game().addMonster(static_self_cast<Monster>());
}
void Monster::removeList() {
g_game().removeMonster(static_self_cast<Monster>());
}
bool Monster::canWalkOnFieldType(CombatType_t combatType) const {
switch (combatType) {
case COMBAT_ENERGYDAMAGE:
return mType->info.canWalkOnEnergy;
case COMBAT_FIREDAMAGE:
return mType->info.canWalkOnFire;
case COMBAT_EARTHDAMAGE:
return mType->info.canWalkOnPoison;
default:
return true;
}
}
int32_t Monster::getReflectPercent(CombatType_t reflectType, bool useCharges) const {
int32_t result = Creature::getReflectPercent(reflectType, useCharges);
auto it = mType->info.reflectMap.find(reflectType);
if (it != mType->info.reflectMap.end()) {
result += it->second;
}
return result;
}
uint32_t Monster::getHealingCombatValue(CombatType_t healingType) const {
auto it = mType->info.healingMap.find(healingType);
if (it != mType->info.healingMap.end()) {
return it->second;
}
return 0;
}
void Monster::onAttackedCreatureDisappear(bool) {
attackTicks = 0;
extraMeleeAttack = true;
}
void Monster::onCreatureAppear(std::shared_ptr<Creature> creature, bool isLogin) {
Creature::onCreatureAppear(creature, isLogin);
if (mType->info.creatureAppearEvent != -1) {
// onCreatureAppear(self, creature)
LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
if (!scriptInterface->reserveScriptEnv()) {
g_logger().error("[Monster::onCreatureAppear - Monster {} creature {}] "
"Call stack overflow. Too many lua script calls being nested.",
getName(), creature->getName());
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(mType->info.creatureAppearEvent, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(mType->info.creatureAppearEvent);
LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
LuaScriptInterface::setMetatable(L, -1, "Monster");
LuaScriptInterface::pushUserdata<Creature>(L, creature);
LuaScriptInterface::setCreatureMetatable(L, -1, creature);
if (scriptInterface->callFunction(2)) {
return;
}
}
if (creature.get() == this) {
updateTargetList();
updateIdleStatus();
} else {
onCreatureEnter(creature);
}
}
void Monster::onRemoveCreature(std::shared_ptr<Creature> creature, bool isLogout) {
Creature::onRemoveCreature(creature, isLogout);
if (mType->info.creatureDisappearEvent != -1) {
// onCreatureDisappear(self, creature)
LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
if (!scriptInterface->reserveScriptEnv()) {
g_logger().error("[Monster::onCreatureDisappear - Monster {} creature {}] "
"Call stack overflow. Too many lua script calls being nested.",
getName(), creature->getName());
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(mType->info.creatureDisappearEvent, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(mType->info.creatureDisappearEvent);
LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
LuaScriptInterface::setMetatable(L, -1, "Monster");
LuaScriptInterface::pushUserdata<Creature>(L, creature);
LuaScriptInterface::setCreatureMetatable(L, -1, creature);
if (scriptInterface->callFunction(2)) {
return;
}
}
if (creature.get() == this) {
if (spawnMonster) {
spawnMonster->startSpawnMonsterCheck();
}
setIdle(true);
} else {
onCreatureLeave(creature);
}
}
void Monster::onCreatureMove(const std::shared_ptr<Creature> &creature, const std::shared_ptr<Tile> &newTile, const Position &newPos, const std::shared_ptr<Tile> &oldTile, const Position &oldPos, bool teleport) {
Creature::onCreatureMove(creature, newTile, newPos, oldTile, oldPos, teleport);
if (mType->info.creatureMoveEvent != -1) {
// onCreatureMove(self, creature, oldPosition, newPosition)
LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
if (!scriptInterface->reserveScriptEnv()) {
g_logger().error("[Monster::onCreatureMove - Monster {} creature {}] "
"Call stack overflow. Too many lua script calls being nested.",
getName(), creature->getName());
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(mType->info.creatureMoveEvent, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(mType->info.creatureMoveEvent);
LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
LuaScriptInterface::setMetatable(L, -1, "Monster");
LuaScriptInterface::pushUserdata<Creature>(L, creature);
LuaScriptInterface::setCreatureMetatable(L, -1, creature);
LuaScriptInterface::pushPosition(L, oldPos);
LuaScriptInterface::pushPosition(L, newPos);
if (scriptInterface->callFunction(4)) {
return;
}
}
if (creature.get() == this) {
updateTargetList();
updateIdleStatus();
} else {
bool canSeeNewPos = canSee(newPos);
bool canSeeOldPos = canSee(oldPos);
if (canSeeNewPos && !canSeeOldPos) {
onCreatureEnter(creature);
} else if (!canSeeNewPos && canSeeOldPos) {
onCreatureLeave(creature);
}
updateIdleStatus();
if (!isSummon()) {
if (const auto &followCreature = getFollowCreature()) {
const Position &followPosition = followCreature->getPosition();
const Position &pos = getPosition();
int32_t offset_x = Position::getDistanceX(followPosition, pos);
int32_t offset_y = Position::getDistanceY(followPosition, pos);
if ((offset_x > 1 || offset_y > 1) && mType->info.changeTargetChance > 0) {
Direction dir = getDirectionTo(pos, followPosition);
const auto &checkPosition = getNextPosition(dir, pos);
if (const auto &nextTile = g_game().map.getTile(checkPosition)) {
const auto &topCreature = nextTile->getTopCreature();
if (followCreature != topCreature && isOpponent(topCreature)) {
selectTarget(topCreature);
}
}
}
} else if (isOpponent(creature)) {
// we have no target lets try pick this one
selectTarget(creature);
}
}
}
}
void Monster::onCreatureSay(std::shared_ptr<Creature> creature, SpeakClasses type, const std::string &text) {
Creature::onCreatureSay(creature, type, text);
if (mType->info.creatureSayEvent != -1) {
// onCreatureSay(self, creature, type, message)
LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
if (!scriptInterface->reserveScriptEnv()) {
g_logger().error("Monster {} creature {}] Call stack overflow. Too many lua "
"script calls being nested.",
getName(), creature->getName());
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(mType->info.creatureSayEvent, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(mType->info.creatureSayEvent);
LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
LuaScriptInterface::setMetatable(L, -1, "Monster");
LuaScriptInterface::pushUserdata<Creature>(L, creature);
LuaScriptInterface::setCreatureMetatable(L, -1, creature);
lua_pushnumber(L, type);
LuaScriptInterface::pushString(L, text);
scriptInterface->callVoidFunction(4);
}
}
void Monster::addFriend(const std::shared_ptr<Creature> &creature) {
if (creature == getMonster()) {
g_logger().error("[{}]: adding creature is same of monster", __FUNCTION__);
return;
}
assert(creature != getMonster());
friendList.try_emplace(creature->getID(), creature);
}
void Monster::removeFriend(const std::shared_ptr<Creature> &creature) {
std::erase_if(friendList, [id = creature->getID()](const auto &it) {
const auto &target = it.second.lock();
return !target || target->getID() == id;
});
}
bool Monster::addTarget(const std::shared_ptr<Creature> &creature, bool pushFront /* = false*/) {
if (creature == getMonster()) {
g_logger().error("[{}]: adding creature is same of monster", __FUNCTION__);
return false;
}
assert(creature != getMonster());
const auto &it = getTargetIterator(creature);
if (it != targetList.end()) {
return false;
}
if (pushFront) {
targetList.emplace_front(creature);
} else {
targetList.emplace_back(creature);
}
if (!getMaster() && getFaction() != FACTION_DEFAULT && creature->getPlayer()) {
totalPlayersOnScreen++;
}
return true;
}
bool Monster::removeTarget(const std::shared_ptr<Creature> &creature) {
if (!creature) {
return false;
}
const auto &it = getTargetIterator(creature);
if (it == targetList.end()) {
return false;
}
if (!getMaster() && getFaction() != FACTION_DEFAULT && creature->getPlayer()) {
totalPlayersOnScreen--;
}
targetList.erase(it);
return true;
}
void Monster::updateTargetList() {
std::erase_if(friendList, [this](const auto &it) {
const auto &target = it.second.lock();
return !target || target->getHealth() <= 0 || !canSee(target->getPosition());
});
std::erase_if(targetList, [this](const std::weak_ptr<Creature> &ref) {
const auto &target = ref.lock();
return !target || target->getHealth() <= 0 || !canSee(target->getPosition());
});
for (const auto &spectator : Spectators().find<Creature>(position, true)) {
if (spectator.get() != this && canSee(spectator->getPosition())) {
onCreatureFound(spectator);
}
}
}
void Monster::clearTargetList() {
targetList.clear();
}
void Monster::clearFriendList() {
friendList.clear();
}
void Monster::onCreatureFound(std::shared_ptr<Creature> creature, bool pushFront /* = false*/) {
if (isFriend(creature)) {
addFriend(creature);
}
if (isOpponent(creature)) {
addTarget(creature, pushFront);
}
updateIdleStatus();
}
void Monster::onCreatureEnter(std::shared_ptr<Creature> creature) {
onCreatureFound(creature, true);
}
bool Monster::isFriend(const std::shared_ptr<Creature> &creature) const {
if (isSummon() && getMaster()->getPlayer()) {
const auto &masterPlayer = getMaster()->getPlayer();
auto tmpPlayer = creature->getPlayer();
if (!tmpPlayer) {
const auto &creatureMaster = creature->getMaster();
if (creatureMaster && creatureMaster->getPlayer()) {
tmpPlayer = creatureMaster->getPlayer();
}
}
if (tmpPlayer && (tmpPlayer == getMaster() || masterPlayer->isPartner(tmpPlayer))) {
return true;
}
}
return creature->getMonster() && !creature->isSummon();
}
bool Monster::isOpponent(const std::shared_ptr<Creature> &creature) const {
if (!creature) {
return false;
}
if (isSummon() && getMaster()->getPlayer()) {
return creature != getMaster();
}
if (creature->getPlayer() && creature->getPlayer()->hasFlag(PlayerFlags_t::IgnoredByMonsters)) {
return false;
}
if (getFaction() != FACTION_DEFAULT) {
return isEnemyFaction(creature->getFaction()) || creature->getFaction() == FACTION_PLAYER;
}
if ((creature->getPlayer()) || (creature->getMaster() && creature->getMaster()->getPlayer())) {
return true;
}
return false;
}
void Monster::onCreatureLeave(std::shared_ptr<Creature> creature) {
// update friendList
if (isFriend(creature)) {
removeFriend(creature);
}
// update targetList
if (isOpponent(creature)) {
removeTarget(creature);
if (targetList.empty()) {
updateIdleStatus();
}
}
}
bool Monster::searchTarget(TargetSearchType_t searchType /*= TARGETSEARCH_DEFAULT*/) {
if (searchType == TARGETSEARCH_DEFAULT) {
int32_t rnd = uniform_random(1, 100);
searchType = TARGETSEARCH_NEAREST;
int32_t sum = this->mType->info.strategiesTargetNearest;
if (rnd > sum) {
searchType = TARGETSEARCH_HP;
sum += this->mType->info.strategiesTargetHealth;
if (rnd > sum) {
searchType = TARGETSEARCH_DAMAGE;
sum += this->mType->info.strategiesTargetDamage;
if (rnd > sum) {
searchType = TARGETSEARCH_RANDOM;
}
}
}
}
std::vector<std::shared_ptr<Creature>> resultList;
const Position &myPos = getPosition();
for (const auto &cref : targetList) {
const auto &creature = cref.lock();
if (creature && isTarget(creature)) {
if ((static_self_cast<Monster>()->targetDistance == 1) || canUseAttack(myPos, creature)) {
resultList.push_back(creature);
}
}
}
if (resultList.empty()) {
return false;
}
std::shared_ptr<Creature> getTarget = nullptr;
switch (searchType) {
case TARGETSEARCH_NEAREST: {
getTarget = nullptr;
if (!resultList.empty()) {
auto it = resultList.begin();
getTarget = *it;
if (++it != resultList.end()) {
const Position &targetPosition = getTarget->getPosition();
int32_t minRange = std::max<int32_t>(Position::getDistanceX(myPos, targetPosition), Position::getDistanceY(myPos, targetPosition));
int32_t factionOffset = static_cast<int32_t>(getTarget->getFaction()) * 100;
do {
const Position &pos = (*it)->getPosition();
int32_t distance = std::max<int32_t>(Position::getDistanceX(myPos, pos), Position::getDistanceY(myPos, pos)) + factionOffset;
if (distance < minRange) {
getTarget = *it;
minRange = distance;
}
} while (++it != resultList.end());
}
} else {
int32_t minRange = std::numeric_limits<int32_t>::max();
for (const auto &creature : getTargetList()) {
if (!isTarget(creature)) {
continue;
}
const Position &pos = creature->getPosition();
int32_t factionOffset = static_cast<int32_t>(getTarget->getFaction()) * 100;
int32_t distance = std::max<int32_t>(Position::getDistanceX(myPos, pos), Position::getDistanceY(myPos, pos)) + factionOffset;
if (distance < minRange) {
getTarget = creature;
minRange = distance;
}
}
}
if (getTarget && selectTarget(getTarget)) {
return true;
}
break;
}
case TARGETSEARCH_HP: {
getTarget = nullptr;
if (!resultList.empty()) {
auto it = resultList.begin();
getTarget = *it;
if (++it != resultList.end()) {
int32_t factionOffset = static_cast<int32_t>(getTarget->getFaction()) * 100000;
int32_t minHp = getTarget->getHealth() + factionOffset;
do {
auto hp = (*it)->getHealth() + factionOffset;
factionOffset = static_cast<int32_t>((*it)->getFaction()) * 100000;
if (hp < minHp) {
getTarget = *it;
minHp = hp;
}
} while (++it != resultList.end());
}
}
if (getTarget && selectTarget(getTarget)) {
return true;
}
break;
}
case TARGETSEARCH_DAMAGE: {
getTarget = nullptr;
if (!resultList.empty()) {
auto it = resultList.begin();
getTarget = *it;
if (++it != resultList.end()) {
int32_t mostDamage = 0;
do {
int32_t factionOffset = static_cast<int32_t>((*it)->getFaction()) * 100000;
const auto dmg = damageMap.find((*it)->getID());
if (dmg != damageMap.end() && dmg->second.total + factionOffset > mostDamage) {
mostDamage = dmg->second.total;
getTarget = *it;
}
} while (++it != resultList.end());
}
}
if (getTarget && selectTarget(getTarget)) {
return true;
}
break;
}
case TARGETSEARCH_RANDOM:
default: {
if (!resultList.empty()) {
auto it = resultList.begin();
std::advance(it, uniform_random(0, resultList.size() - 1));
return selectTarget(*it);
}
break;
}
}
// lets just pick the first target in the list
return std::ranges::any_of(getTargetList(), [this](const std::shared_ptr<Creature> &creature) {
return selectTarget(creature);
});
}
void Monster::onFollowCreatureComplete(const std::shared_ptr<Creature> &creature) {
if (removeTarget(creature) && (hasFollowPath || !isSummon())) {
addTarget(creature, hasFollowPath);
}
}
float Monster::getMitigation() const {
float mitigation = mType->info.mitigation * getDefenseMultiplier();
if (g_configManager().getBoolean(DISABLE_MONSTER_ARMOR, __FUNCTION__)) {
mitigation += std::ceil(static_cast<float>(getDefense() + getArmor()) / 100.f) * getDefenseMultiplier() * 2.f;
}
return std::min<float>(mitigation, 30.f);
}
BlockType_t Monster::blockHit(std::shared_ptr<Creature> attacker, CombatType_t combatType, int32_t &damage, bool checkDefense /* = false*/, bool checkArmor /* = false*/, bool /* field = false */) {
BlockType_t blockType = Creature::blockHit(attacker, combatType, damage, checkDefense, checkArmor);
if (damage != 0) {
int32_t elementMod = 0;
auto it = mType->info.elementMap.find(combatType);
if (it != mType->info.elementMap.end()) {
elementMod = it->second;
}
// Wheel of destiny
std::shared_ptr<Player> player = attacker ? attacker->getPlayer() : nullptr;
if (player && player->wheel()->getInstant("Ballistic Mastery")) {
elementMod -= player->wheel()->checkElementSensitiveReduction(combatType);
}
if (elementMod != 0) {
damage = static_cast<int32_t>(std::round(damage * ((100 - elementMod) / 100.)));
if (damage <= 0) {
damage = 0;
blockType = BLOCK_ARMOR;
}
}
}
return blockType;
}
bool Monster::isTarget(std::shared_ptr<Creature> creature) {
if (creature->isRemoved() || !creature->isAttackable() || creature->getZoneType() == ZONE_PROTECTION || !canSeeCreature(creature)) {
return false;
}
if (creature->getPosition().z != getPosition().z) {
return false;
}
if (!isSummon()) {
if (creature->getPlayer() && creature->getPlayer()->isDisconnected()) {
return false;
}
if (getFaction() != FACTION_DEFAULT) {
return isEnemyFaction(creature->getFaction());
}
}
return true;
}
bool Monster::selectTarget(const std::shared_ptr<Creature> &creature) {
if (!isTarget(creature)) {
return false;
}
const auto &it = getTargetIterator(creature);
if (it == targetList.end()) {
// Target not found in our target list.
return false;
}
if (isHostile() || isSummon()) {
if (setAttackedCreature(creature)) {
g_dispatcher().addEvent([creatureId = getID()] { g_game().checkCreatureAttack(creatureId); }, "Game::checkCreatureAttack");
}
}
return setFollowCreature(creature);
}
void Monster::setIdle(bool idle) {
if (isRemoved() || getHealth() <= 0) {
return;
}
isIdle = idle;
if (!isIdle) {
g_game().addCreatureCheck(static_self_cast<Monster>());
} else {
onIdleStatus();
clearTargetList();
clearFriendList();
Game::removeCreatureCheck(static_self_cast<Monster>());
}
}
void Monster::updateIdleStatus() {
bool idle = false;
if (conditions.empty()) {
if (!isSummon() && targetList.empty()) {
if (isInSpawnLocation()) {
idle = true;
} else {
isWalkingBack = true;
}
} else if (const auto &master = getMaster()) {
if ((!isSummon() && totalPlayersOnScreen == 0 || isSummon() && master->getMonster() && master->getMonster()->totalPlayersOnScreen == 0) && getFaction() != FACTION_DEFAULT) {
idle = true;
}
}
}
setIdle(idle);
}
bool Monster::isInSpawnLocation() const {
if (!spawnMonster) {
return true;
}
return position == masterPos || masterPos == Position();
}
void Monster::onAddCondition(ConditionType_t type) {
onConditionStatusChange(type);
}
void Monster::onConditionStatusChange(const ConditionType_t &type) {
if (type == CONDITION_FIRE || type == CONDITION_ENERGY || type == CONDITION_POISON) {
updateMapCache();
}
updateIdleStatus();
}
void Monster::onEndCondition(ConditionType_t type) {
onConditionStatusChange(type);
}
void Monster::onThink(uint32_t interval) {
Creature::onThink(interval);
if (mType->info.thinkEvent != -1) {
// onThink(self, interval)
LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
if (!scriptInterface->reserveScriptEnv()) {
g_logger().error("Monster {} Call stack overflow. Too many lua script calls "
"being nested.",
getName());
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(mType->info.thinkEvent, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(mType->info.thinkEvent);
LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
LuaScriptInterface::setMetatable(L, -1, "Monster");
lua_pushnumber(L, interval);
if (scriptInterface->callFunction(2)) {
return;
}
}
if (challengeMeleeDuration != 0) {
challengeMeleeDuration -= interval;
if (challengeMeleeDuration <= 0) {
challengeMeleeDuration = 0;
targetDistance = mType->info.targetDistance;
g_game().updateCreatureIcon(static_self_cast<Monster>());
}
}
if (!mType->canSpawn(position)) {
g_game().removeCreature(static_self_cast<Monster>());
}
if (!isInSpawnRange(position)) {
g_game().internalTeleport(static_self_cast<Monster>(), masterPos);
setIdle(true);
return;
}
updateIdleStatus();
if (isIdle) {
return;
}
addEventWalk();
const auto &attackedCreature = getAttackedCreature();
const auto &followCreature = getFollowCreature();
if (isSummon()) {
if (attackedCreature.get() == this) {
setFollowCreature(nullptr);
} else if (attackedCreature && followCreature != attackedCreature) {
// This happens just after a master orders an attack, so lets follow it aswell.
setFollowCreature(attackedCreature);
} else if (getMaster() && getMaster()->getAttackedCreature()) {
// This happens if the monster is summoned during combat
selectTarget(getMaster()->getAttackedCreature());
} else if (getMaster() != followCreature) {
// Our master has not ordered us to attack anything, lets follow him around instead.
setFollowCreature(getMaster());
}
} else if (!targetList.empty()) {
const bool attackedCreatureIsDisconnected = attackedCreature && attackedCreature->getPlayer() && attackedCreature->getPlayer()->isDisconnected();
const bool attackedCreatureIsUnattackable = attackedCreature && !canUseAttack(getPosition(), attackedCreature);
const bool attackedCreatureIsUnreachable = targetDistance <= 1 && attackedCreature && followCreature && !hasFollowPath;
if (!attackedCreature || attackedCreatureIsDisconnected || attackedCreatureIsUnattackable || attackedCreatureIsUnreachable) {
if (!followCreature || !hasFollowPath || attackedCreatureIsDisconnected) {
searchTarget(TARGETSEARCH_NEAREST);
} else if (attackedCreature && isFleeing() && !canUseAttack(getPosition(), attackedCreature)) {
searchTarget(TARGETSEARCH_DEFAULT);
}
}
}
onThinkTarget(interval);
onThinkYell(interval);
onThinkDefense(interval);
onThinkSound(interval);
}
void Monster::doAttacking(uint32_t interval) {
auto attackedCreature = getAttackedCreature();
if (!attackedCreature || (isSummon() && attackedCreature.get() == this)) {
return;
}
bool updateLook = true;
bool resetTicks = interval != 0;
attackTicks += interval;
const Position &myPos = getPosition();
const Position &targetPos = attackedCreature->getPosition();
for (const spellBlock_t &spellBlock : mType->info.attackSpells) {
bool inRange = false;
if (spellBlock.spell == nullptr || spellBlock.isMelee && isFleeing()) {
continue;
}
if (canUseSpell(myPos, targetPos, spellBlock, interval, inRange, resetTicks)) {
if (spellBlock.chance >= static_cast<uint32_t>(uniform_random(1, 100))) {
if (updateLook) {
updateLookDirection();
updateLook = false;
}
minCombatValue = spellBlock.minCombatValue;
maxCombatValue = spellBlock.maxCombatValue;
if (spellBlock.spell == nullptr) {
continue;
}
spellBlock.spell->castSpell(getMonster(), attackedCreature);
if (spellBlock.isMelee) {
extraMeleeAttack = false;
}
}
}
if (!inRange && spellBlock.isMelee) {
// melee swing out of reach
extraMeleeAttack = true;
}
}
if (updateLook) {
updateLookDirection();
}
if (resetTicks) {
attackTicks = 0;
}
}
bool Monster::canUseAttack(const Position &pos, const std::shared_ptr<Creature> &target) const {
if (isHostile()) {
const Position &targetPos = target->getPosition();
uint32_t distance = std::max<uint32_t>(Position::getDistanceX(pos, targetPos), Position::getDistanceY(pos, targetPos));
for (const spellBlock_t &spellBlock : mType->info.attackSpells) {
if (spellBlock.range != 0 && distance <= spellBlock.range) {
return g_game().isSightClear(pos, targetPos, true);
}
}
return false;
}
return true;
}
bool Monster::canUseSpell(const Position &pos, const Position &targetPos, const spellBlock_t &sb, uint32_t interval, bool &inRange, bool &resetTicks) {
inRange = true;
if (sb.isMelee && isFleeing()) {
return false;
}
if (extraMeleeAttack) {
lastMeleeAttack = OTSYS_TIME();
} else if (sb.isMelee && (OTSYS_TIME() - lastMeleeAttack) < 1500) {
return false;
}
if (!sb.isMelee || !extraMeleeAttack) {
if (sb.speed > attackTicks) {
resetTicks = false;
return false;
}
if (attackTicks % sb.speed >= interval) {
// already used this spell for this round
return false;
}
}
if (sb.range != 0 && std::max<uint32_t>(Position::getDistanceX(pos, targetPos), Position::getDistanceY(pos, targetPos)) > sb.range) {
inRange = false;
return false;
}
return true;
}
void Monster::onThinkTarget(uint32_t interval) {
if (!isSummon()) {
if (mType->info.changeTargetSpeed != 0) {
bool canChangeTarget = true;
if (challengeFocusDuration > 0) {
challengeFocusDuration -= interval;
canChangeTarget = false;
if (challengeFocusDuration <= 0) {
challengeFocusDuration = 0;
}
}
if (m_targetChangeCooldown > 0) {
m_targetChangeCooldown -= interval;
if (m_targetChangeCooldown <= 0) {
m_targetChangeCooldown = 0;
targetChangeTicks = mType->info.changeTargetSpeed;
} else {
canChangeTarget = false;
}
}
if (canChangeTarget) {
targetChangeTicks += interval;
if (targetChangeTicks >= mType->info.changeTargetSpeed) {
targetChangeTicks = 0;
m_targetChangeCooldown = mType->info.changeTargetSpeed;
if (challengeFocusDuration > 0) {
challengeFocusDuration = 0;
}
if (mType->info.changeTargetChance >= uniform_random(1, 100)) {
if (mType->info.targetDistance <= 1) {
searchTarget(TARGETSEARCH_RANDOM);
} else {
searchTarget(TARGETSEARCH_NEAREST);
}
}
}
}
}
}
}
void Monster::onThinkDefense(uint32_t interval) {
bool resetTicks = true;
defenseTicks += interval;
for (const spellBlock_t &spellBlock : mType->info.defenseSpells) {
if (spellBlock.speed > defenseTicks) {
resetTicks = false;
continue;
}
if (spellBlock.spell == nullptr || defenseTicks % spellBlock.speed >= interval) {
// already used this spell for this round
continue;
}
if ((spellBlock.chance >= static_cast<uint32_t>(uniform_random(1, 100)))) {
minCombatValue = spellBlock.minCombatValue;
maxCombatValue = spellBlock.maxCombatValue;
spellBlock.spell->castSpell(getMonster(), getMonster());
}
}
if (!isSummon() && m_summons.size() < mType->info.maxSummons && hasFollowPath) {
for (const summonBlock_t &summonBlock : mType->info.summons) {