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combat.cpp
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/**
* The Forgotten Server - a free and open-source MMORPG server emulator
* Copyright (C) 2019 Mark Samman <mark.samman@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "otpch.h"
#include "combat.h"
#include "game.h"
#include "weapons.h"
#include "configmanager.h"
#include "events.h"
extern Game g_game;
extern Weapons* g_weapons;
extern ConfigManager g_config;
extern Events* g_events;
CombatDamage Combat::getCombatDamage(Creature* creature, Creature* target) const
{
CombatDamage damage;
damage.origin = params.origin;
damage.primary.type = params.combatType;
if (formulaType == COMBAT_FORMULA_DAMAGE) {
damage.primary.value = normal_random(mina, maxa);
} else if (creature) {
int32_t min, max;
if (creature->getCombatValues(min, max)) {
damage.primary.value = normal_random(min, max);
} else if (Player* player = creature->getPlayer()) {
if (params.valueCallback) {
params.valueCallback->getMinMaxValues(player, damage);
} else if (formulaType == COMBAT_FORMULA_LEVELMAGIC) {
int32_t levelFormula = player->getLevel() * 2 + player->getMagicLevel() * 3;
damage.primary.value = normal_random(std::fma(levelFormula, mina, minb), std::fma(levelFormula, maxa, maxb));
} else if (formulaType == COMBAT_FORMULA_SKILL) {
Item* tool = player->getWeapon();
const Weapon* weapon = g_weapons->getWeapon(tool);
if (weapon) {
damage.primary.value = normal_random(minb, std::fma(weapon->getWeaponDamage(player, target, tool, true), maxa, maxb));
damage.secondary.type = weapon->getElementType();
damage.secondary.value = weapon->getElementDamage(player, target, tool);
} else {
damage.primary.value = normal_random(minb, maxb);
}
}
}
}
return damage;
}
void Combat::getCombatArea(const Position& centerPos, const Position& targetPos, const AreaCombat* area, std::vector<Tile*>& list)
{
if (targetPos.z >= MAP_MAX_LAYERS) {
return;
}
if (area) {
area->getList(centerPos, targetPos, list);
} else {
Tile* tile = g_game.map.getTile(targetPos);
if (!tile) {
tile = new StaticTile(targetPos.x, targetPos.y, targetPos.z);
g_game.map.setTile(targetPos, tile);
}
list.push_back(tile);
}
}
CombatType_t Combat::ConditionToDamageType(ConditionType_t type)
{
switch (type) {
case CONDITION_FIRE:
return COMBAT_FIREDAMAGE;
case CONDITION_ENERGY:
return COMBAT_ENERGYDAMAGE;
case CONDITION_BLEEDING:
return COMBAT_PHYSICALDAMAGE;
case CONDITION_DROWN:
return COMBAT_DROWNDAMAGE;
case CONDITION_POISON:
return COMBAT_EARTHDAMAGE;
case CONDITION_FREEZING:
return COMBAT_ICEDAMAGE;
case CONDITION_DAZZLED:
return COMBAT_HOLYDAMAGE;
case CONDITION_CURSED:
return COMBAT_DEATHDAMAGE;
default:
break;
}
return COMBAT_NONE;
}
ConditionType_t Combat::DamageToConditionType(CombatType_t type)
{
switch (type) {
case COMBAT_FIREDAMAGE:
return CONDITION_FIRE;
case COMBAT_ENERGYDAMAGE:
return CONDITION_ENERGY;
case COMBAT_DROWNDAMAGE:
return CONDITION_DROWN;
case COMBAT_EARTHDAMAGE:
return CONDITION_POISON;
case COMBAT_ICEDAMAGE:
return CONDITION_FREEZING;
case COMBAT_HOLYDAMAGE:
return CONDITION_DAZZLED;
case COMBAT_DEATHDAMAGE:
return CONDITION_CURSED;
case COMBAT_PHYSICALDAMAGE:
return CONDITION_BLEEDING;
default:
return CONDITION_NONE;
}
}
bool Combat::isPlayerCombat(const Creature* target)
{
if (target->getPlayer()) {
return true;
}
if (target->isSummon() && target->getMaster()->getPlayer()) {
return true;
}
return false;
}
ReturnValue Combat::canTargetCreature(Player* attacker, Creature* target)
{
if (attacker == target) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
if (!attacker->hasFlag(PlayerFlag_IgnoreProtectionZone)) {
//pz-zone
if (attacker->getZone() == ZONE_PROTECTION) {
return RETURNVALUE_YOUMAYNOTATTACKAPERSONWHILEINPROTECTIONZONE;
}
if (target->getZone() == ZONE_PROTECTION) {
return RETURNVALUE_YOUMAYNOTATTACKAPERSONINPROTECTIONZONE;
}
//nopvp-zone
if (isPlayerCombat(target)) {
if (attacker->getZone() == ZONE_NOPVP) {
return RETURNVALUE_ACTIONNOTPERMITTEDINANOPVPZONE;
}
if (target->getZone() == ZONE_NOPVP) {
return RETURNVALUE_YOUMAYNOTATTACKAPERSONINPROTECTIONZONE;
}
}
}
if (attacker->hasFlag(PlayerFlag_CannotUseCombat) || !target->isAttackable()) {
if (target->getPlayer()) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
} else {
if (!target->getNpc())
return RETURNVALUE_YOUMAYNOTATTACKTHISCREATURE;
}
}
if (target->getPlayer()) {
if (isProtected(attacker, target->getPlayer())) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
if (attacker->hasSecureMode() && !Combat::isInPvpZone(attacker, target) && attacker->getSkullClient(target->getPlayer()) == SKULL_NONE) {
return RETURNVALUE_TURNSECUREMODETOATTACKUNMARKEDPLAYERS;
}
}
return Combat::canDoCombat(attacker, target);
}
ReturnValue Combat::canDoCombat(Creature* caster, Tile* tile, bool aggressive)
{
if (tile->hasProperty(CONST_PROP_BLOCKPROJECTILE)) {
return RETURNVALUE_NOTENOUGHROOM;
}
if (tile->hasFlag(TILESTATE_FLOORCHANGE)) {
return RETURNVALUE_NOTENOUGHROOM;
}
if (tile->getTeleportItem()) {
return RETURNVALUE_NOTENOUGHROOM;
}
if (caster) {
const Position& casterPosition = caster->getPosition();
const Position& tilePosition = tile->getPosition();
if (casterPosition.z < tilePosition.z) {
return RETURNVALUE_FIRSTGODOWNSTAIRS;
} else if (casterPosition.z > tilePosition.z) {
return RETURNVALUE_FIRSTGOUPSTAIRS;
}
if (const Player* player = caster->getPlayer()) {
if (player->hasFlag(PlayerFlag_IgnoreProtectionZone)) {
return RETURNVALUE_NOERROR;
}
}
}
//pz-zone
if (aggressive && tile->hasFlag(TILESTATE_PROTECTIONZONE)) {
return RETURNVALUE_ACTIONNOTPERMITTEDINPROTECTIONZONE;
}
return g_events->eventCreatureOnAreaCombat(caster, tile, aggressive);
}
bool Combat::isInPvpZone(const Creature* attacker, const Creature* target)
{
return attacker->getZone() == ZONE_PVP && target->getZone() == ZONE_PVP;
}
bool Combat::isProtected(const Player* attacker, const Player* target)
{
uint32_t protectionLevel = g_config.getNumber(ConfigManager::PROTECTION_LEVEL);
if (target->getLevel() < protectionLevel || attacker->getLevel() < protectionLevel) {
return true;
}
if (attacker->getVocationId() == VOCATION_NONE || target->getVocationId() == VOCATION_NONE) {
return true;
}
if (attacker->getSkull() == SKULL_BLACK && attacker->getSkullClient(target) == SKULL_NONE) {
return true;
}
return false;
}
ReturnValue Combat::canDoCombat(Creature* attacker, Creature* target)
{
if (!attacker) {
return g_events->eventCreatureOnTargetCombat(attacker, target);
}
if (const Player* targetPlayer = target->getPlayer()) {
if (targetPlayer->hasFlag(PlayerFlag_CannotBeAttacked)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
if (const Player* attackerPlayer = attacker->getPlayer()) {
if (attackerPlayer->hasFlag(PlayerFlag_CannotAttackPlayer)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
if (isProtected(attackerPlayer, targetPlayer)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
//nopvp-zone
const Tile* targetPlayerTile = targetPlayer->getTile();
if (targetPlayerTile->hasFlag(TILESTATE_NOPVPZONE)) {
return RETURNVALUE_ACTIONNOTPERMITTEDINANOPVPZONE;
} else if (attackerPlayer->getTile()->hasFlag(TILESTATE_NOPVPZONE) && !targetPlayerTile->hasFlag(TILESTATE_NOPVPZONE | TILESTATE_PROTECTIONZONE)) {
return RETURNVALUE_ACTIONNOTPERMITTEDINANOPVPZONE;
}
}
if (attacker->isSummon()) {
if (const Player* masterAttackerPlayer = attacker->getMaster()->getPlayer()) {
if (masterAttackerPlayer->hasFlag(PlayerFlag_CannotAttackPlayer)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
if (targetPlayer->getTile()->hasFlag(TILESTATE_NOPVPZONE)) {
return RETURNVALUE_ACTIONNOTPERMITTEDINANOPVPZONE;
}
if (isProtected(masterAttackerPlayer, targetPlayer)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
}
}
} else if (target->getMonster()) {
if (const Player* attackerPlayer = attacker->getPlayer()) {
if (attackerPlayer->hasFlag(PlayerFlag_CannotAttackMonster)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISCREATURE;
}
if (target->isSummon() && target->getMaster()->getPlayer() && target->getZone() == ZONE_NOPVP) {
return RETURNVALUE_ACTIONNOTPERMITTEDINANOPVPZONE;
}
} else if (attacker->getMonster()) {
const Creature* targetMaster = target->getMaster();
if (!targetMaster || !targetMaster->getPlayer()) {
const Creature* attackerMaster = attacker->getMaster();
if (!attackerMaster || !attackerMaster->getPlayer()) {
return RETURNVALUE_YOUMAYNOTATTACKTHISCREATURE;
}
}
}
}
if (g_game.getWorldType() == WORLD_TYPE_NO_PVP) {
if (attacker->getPlayer() || (attacker->isSummon() && attacker->getMaster()->getPlayer())) {
if (target->getPlayer()) {
if (!isInPvpZone(attacker, target)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISPLAYER;
}
}
if (target->isSummon() && target->getMaster()->getPlayer()) {
if (!isInPvpZone(attacker, target)) {
return RETURNVALUE_YOUMAYNOTATTACKTHISCREATURE;
}
}
}
}
return g_events->eventCreatureOnTargetCombat(attacker, target);
}
void Combat::setPlayerCombatValues(formulaType_t formulaType, double mina, double minb, double maxa, double maxb)
{
this->formulaType = formulaType;
this->mina = mina;
this->minb = minb;
this->maxa = maxa;
this->maxb = maxb;
}
bool Combat::setParam(CombatParam_t param, uint32_t value)
{
switch (param) {
case COMBAT_PARAM_TYPE: {
params.combatType = static_cast<CombatType_t>(value);
return true;
}
case COMBAT_PARAM_EFFECT: {
params.impactEffect = static_cast<uint8_t>(value);
return true;
}
case COMBAT_PARAM_DISTANCEEFFECT: {
params.distanceEffect = static_cast<uint8_t>(value);
return true;
}
case COMBAT_PARAM_BLOCKARMOR: {
params.blockedByArmor = (value != 0);
return true;
}
case COMBAT_PARAM_BLOCKSHIELD: {
params.blockedByShield = (value != 0);
return true;
}
case COMBAT_PARAM_TARGETCASTERORTOPMOST: {
params.targetCasterOrTopMost = (value != 0);
return true;
}
case COMBAT_PARAM_CREATEITEM: {
params.itemId = value;
return true;
}
case COMBAT_PARAM_AGGRESSIVE: {
params.aggressive = (value != 0);
return true;
}
case COMBAT_PARAM_DISPEL: {
params.dispelType = static_cast<ConditionType_t>(value);
return true;
}
case COMBAT_PARAM_USECHARGES: {
params.useCharges = (value != 0);
return true;
}
}
return false;
}
bool Combat::setCallback(CallBackParam_t key)
{
switch (key) {
case CALLBACK_PARAM_LEVELMAGICVALUE: {
params.valueCallback.reset(new ValueCallback(COMBAT_FORMULA_LEVELMAGIC));
return true;
}
case CALLBACK_PARAM_SKILLVALUE: {
params.valueCallback.reset(new ValueCallback(COMBAT_FORMULA_SKILL));
return true;
}
case CALLBACK_PARAM_TARGETTILE: {
params.tileCallback.reset(new TileCallback());
return true;
}
case CALLBACK_PARAM_TARGETCREATURE: {
params.targetCallback.reset(new TargetCallback());
return true;
}
}
return false;
}
CallBack* Combat::getCallback(CallBackParam_t key)
{
switch (key) {
case CALLBACK_PARAM_LEVELMAGICVALUE:
case CALLBACK_PARAM_SKILLVALUE: {
return params.valueCallback.get();
}
case CALLBACK_PARAM_TARGETTILE: {
return params.tileCallback.get();
}
case CALLBACK_PARAM_TARGETCREATURE: {
return params.targetCallback.get();
}
}
return nullptr;
}
void Combat::CombatHealthFunc(Creature* caster, Creature* target, const CombatParams& params, CombatDamage* data)
{
assert(data);
CombatDamage damage = *data;
if (g_game.combatBlockHit(damage, caster, target, params.blockedByShield, params.blockedByArmor, params.itemId != 0, params.ignoreResistances)) {
return;
}
if ((damage.primary.value < 0 || damage.secondary.value < 0) && caster) {
Player* targetPlayer = target->getPlayer();
if (targetPlayer && caster->getPlayer() && targetPlayer->getSkull() != SKULL_BLACK) {
damage.primary.value /= 2;
damage.secondary.value /= 2;
}
}
if (g_game.combatChangeHealth(caster, target, damage)) {
CombatConditionFunc(caster, target, params, &damage);
CombatDispelFunc(caster, target, params, nullptr);
}
}
void Combat::CombatManaFunc(Creature* caster, Creature* target, const CombatParams& params, CombatDamage* damage)
{
assert(damage);
CombatDamage damageCopy = *damage;
if (damageCopy.primary.value < 0) {
if (caster && caster->getPlayer() && target->getPlayer()) {
damageCopy.primary.value /= 2;
}
}
if (g_game.combatChangeMana(caster, target, damageCopy)) {
CombatConditionFunc(caster, target, params, nullptr);
CombatDispelFunc(caster, target, params, nullptr);
}
}
void Combat::CombatConditionFunc(Creature* caster, Creature* target, const CombatParams& params, CombatDamage* data)
{
if (params.origin == ORIGIN_MELEE && data && data->primary.value == 0 && data->secondary.value == 0) {
return;
}
for (const auto& condition : params.conditionList) {
if (caster == target || !target->isImmune(condition->getType())) {
Condition* conditionCopy = condition->clone();
if (caster) {
conditionCopy->setParam(CONDITION_PARAM_OWNER, caster->getID());
}
//TODO: infight condition until all aggressive conditions has ended
target->addCombatCondition(conditionCopy);
}
}
}
void Combat::CombatDispelFunc(Creature*, Creature* target, const CombatParams& params, CombatDamage*)
{
target->removeCombatCondition(params.dispelType);
}
void Combat::CombatNullFunc(Creature* caster, Creature* target, const CombatParams& params, CombatDamage*)
{
CombatConditionFunc(caster, target, params, nullptr);
CombatDispelFunc(caster, target, params, nullptr);
}
void Combat::combatTileEffects(const SpectatorVector& spectators, Creature* caster, Tile* tile, const CombatParams& params)
{
if (params.itemId != 0) {
uint16_t itemId = params.itemId;
switch (itemId) {
case ITEM_FIREFIELD_PERSISTENT_FULL:
itemId = ITEM_FIREFIELD_PVP_FULL;
break;
case ITEM_FIREFIELD_PERSISTENT_MEDIUM:
itemId = ITEM_FIREFIELD_PVP_MEDIUM;
break;
case ITEM_FIREFIELD_PERSISTENT_SMALL:
itemId = ITEM_FIREFIELD_PVP_SMALL;
break;
case ITEM_ENERGYFIELD_PERSISTENT:
itemId = ITEM_ENERGYFIELD_PVP;
break;
case ITEM_POISONFIELD_PERSISTENT:
itemId = ITEM_POISONFIELD_PVP;
break;
case ITEM_MAGICWALL_PERSISTENT:
itemId = ITEM_MAGICWALL;
break;
case ITEM_WILDGROWTH_PERSISTENT:
itemId = ITEM_WILDGROWTH;
break;
default:
break;
}
if (caster) {
Player* casterPlayer;
if (caster->isSummon()) {
casterPlayer = caster->getMaster()->getPlayer();
} else {
casterPlayer = caster->getPlayer();
}
if (casterPlayer) {
if (g_game.getWorldType() == WORLD_TYPE_NO_PVP || tile->hasFlag(TILESTATE_NOPVPZONE)) {
if (itemId == ITEM_FIREFIELD_PVP_FULL) {
itemId = ITEM_FIREFIELD_NOPVP;
} else if (itemId == ITEM_POISONFIELD_PVP) {
itemId = ITEM_POISONFIELD_NOPVP;
} else if (itemId == ITEM_ENERGYFIELD_PVP) {
itemId = ITEM_ENERGYFIELD_NOPVP;
}
} else if (itemId == ITEM_FIREFIELD_PVP_FULL || itemId == ITEM_POISONFIELD_PVP || itemId == ITEM_ENERGYFIELD_PVP) {
casterPlayer->addInFightTicks();
}
}
}
Item* item = Item::CreateItem(itemId);
if (caster) {
item->setOwner(caster->getID());
item->setSpecialDescription("Criado por " + caster->getName());
}
ReturnValue ret = g_game.internalAddItem(tile, item);
if (ret == RETURNVALUE_NOERROR) {
g_game.startDecay(item);
} else {
delete item;
}
}
if (params.tileCallback) {
params.tileCallback->onTileCombat(caster, tile);
}
if (params.impactEffect != CONST_ME_NONE) {
Game::addMagicEffect(spectators, tile->getPosition(), params.impactEffect);
}
}
void Combat::postCombatEffects(Creature* caster, const Position& pos, const CombatParams& params)
{
if (caster && params.distanceEffect != CONST_ANI_NONE) {
addDistanceEffect(caster, caster->getPosition(), pos, params.distanceEffect);
}
}
void Combat::addDistanceEffect(Creature* caster, const Position& fromPos, const Position& toPos, uint8_t effect)
{
if (effect == CONST_ANI_WEAPONTYPE) {
if (!caster) {
return;
}
Player* player = caster->getPlayer();
if (!player) {
return;
}
switch (player->getWeaponType()) {
case WEAPON_AXE:
effect = CONST_ANI_WHIRLWINDAXE;
break;
case WEAPON_SWORD:
effect = CONST_ANI_WHIRLWINDSWORD;
break;
case WEAPON_CLUB:
effect = CONST_ANI_WHIRLWINDCLUB;
break;
default:
effect = CONST_ANI_NONE;
break;
}
}
if (effect != CONST_ANI_NONE) {
g_game.addDistanceEffect(fromPos, toPos, effect);
}
}
void Combat::doCombat(Creature* caster, Creature* target) const
{
//target combat callback function
if (params.combatType != COMBAT_NONE) {
CombatDamage damage = getCombatDamage(caster, target);
bool canCombat = !params.aggressive || (caster != target && Combat::canDoCombat(caster, target) == RETURNVALUE_NOERROR);
if ((caster == target || canCombat) && params.impactEffect != CONST_ME_NONE) {
g_game.addMagicEffect(target->getPosition(), params.impactEffect);
}
if (canCombat) {
doTargetCombat(caster, target, damage, params);
}
} else {
if (!params.aggressive || (caster != target && Combat::canDoCombat(caster, target) == RETURNVALUE_NOERROR)) {
SpectatorVector spectators;
g_game.map.getSpectators(spectators, target->getPosition(), true, true);
if (params.origin != ORIGIN_MELEE) {
for (const auto& condition : params.conditionList) {
if (caster == target || !target->isImmune(condition->getType())) {
Condition* conditionCopy = condition->clone();
conditionCopy->setParam(CONDITION_PARAM_OWNER, caster->getID());
target->addCombatCondition(conditionCopy);
}
}
}
if (params.dispelType == CONDITION_PARALYZE) {
target->removeCondition(CONDITION_PARALYZE);
} else {
target->removeCombatCondition(params.dispelType);
}
combatTileEffects(spectators, caster, target->getTile(), params);
if (params.targetCallback) {
params.targetCallback->onTargetCombat(caster, target);
}
/*
if (params.impactEffect != CONST_ME_NONE) {
g_game.addMagicEffect(target->getPosition(), params.impactEffect);
}
*/
if (caster && params.distanceEffect != CONST_ANI_NONE) {
addDistanceEffect(caster, caster->getPosition(), target->getPosition(), params.distanceEffect);
}
}
}
}
void Combat::doCombat(Creature* caster, const Position& position) const
{
//area combat callback function
if (params.combatType != COMBAT_NONE) {
CombatDamage damage = getCombatDamage(caster, nullptr);
doAreaCombat(caster, position, area.get(), damage, params);
} else {
std::vector<Tile*> tileList;
if (caster) {
getCombatArea(caster->getPosition(), position, area.get(), tileList);
} else {
getCombatArea(position, position, area.get(), tileList);
}
uint32_t maxX = 0;
uint32_t maxY = 0;
//calculate the max viewable range
for (Tile* tile : tileList) {
const Position& tilePos = tile->getPosition();
uint32_t diff = Position::getDistanceX(tilePos, position);
if (diff > maxX) {
maxX = diff;
}
diff = Position::getDistanceY(tilePos, position);
if (diff > maxY) {
maxY = diff;
}
}
const int32_t rangeX = maxX + Map::maxViewportX;
const int32_t rangeY = maxY + Map::maxViewportY;
SpectatorVector spectators;
g_game.map.getSpectators(spectators, position, true, true, rangeX, rangeX, rangeY, rangeY);
postCombatEffects(caster, position, params);
for (Tile* tile : tileList) {
if (canDoCombat(caster, tile, params.aggressive) != RETURNVALUE_NOERROR) {
continue;
}
combatTileEffects(spectators, caster, tile, params);
if (CreatureVector* creatures = tile->getCreatures()) {
const Creature* topCreature = tile->getTopCreature();
for (Creature* creature : *creatures) {
if (params.targetCasterOrTopMost) {
if (caster && caster->getTile() == tile) {
if (creature != caster) {
continue;
}
} else if (creature != topCreature) {
continue;
}
}
if (params.origin != ORIGIN_MELEE) {
for (const auto& condition : params.conditionList) {
if (caster == creature || !creature->isImmune(condition->getType())) {
Condition* conditionCopy = condition->clone();
conditionCopy->setParam(CONDITION_PARAM_OWNER, caster->getID());
//TODO: infight condition until all aggressive conditions has ended
creature->addCombatCondition(conditionCopy);
}
}
}
if (params.dispelType == CONDITION_PARALYZE) {
creature->removeCondition(CONDITION_PARALYZE);
} else {
creature->removeCombatCondition(params.dispelType);
}
if (params.targetCallback) {
params.targetCallback->onTargetCombat(caster, creature);
}
}
}
}
}
}
void Combat::doTargetCombat(Creature* caster, Creature* target, CombatDamage& damage, const CombatParams& params)
{
Player* casterPlayer = caster ? caster->getPlayer() : nullptr;
if (casterPlayer) {
if (damage.primary.value < 0 || damage.secondary.value < 0) {
Player* targetPlayer = target ? target->getPlayer() : nullptr;
if (targetPlayer && targetPlayer->getSkull() != SKULL_BLACK) {
damage.primary.value /= 2;
damage.secondary.value /= 2;
}
}
}
if (caster && target && params.distanceEffect != CONST_ANI_NONE) {
addDistanceEffect(caster, caster->getPosition(), target->getPosition(), params.distanceEffect);
}
bool success = false;
if (damage.primary.type != COMBAT_MANADRAIN) {
if (g_game.combatBlockHit(damage, caster, target, params.blockedByShield, params.blockedByArmor, params.itemId != 0, params.ignoreResistances)) {
return;
}
success = g_game.combatChangeHealth(caster, target, damage);
} else {
success = g_game.combatChangeMana(caster, target, damage);
}
if (success) {
if (params.origin != ORIGIN_MELEE && damage.primary.value != 0 && damage.secondary.value != 0) {
for (const auto& condition : params.conditionList) {
if (caster == target || !target->isImmune(condition->getType())) {
Condition* conditionCopy = condition->clone();
conditionCopy->setParam(CONDITION_PARAM_OWNER, caster->getID());
//TODO: infight condition until all aggressive conditions has ended
target->addCombatCondition(conditionCopy);
}
}
}
if (params.dispelType == CONDITION_PARALYZE) {
target->removeCondition(CONDITION_PARALYZE);
} else {
target->removeCombatCondition(params.dispelType);
}
}
if (params.targetCallback) {
params.targetCallback->onTargetCombat(caster, target);
}
}
void Combat::doAreaCombat(Creature* caster, const Position& position, const AreaCombat* area, CombatDamage& damage, const CombatParams& params)
{
std::vector<Tile*> tileList;
if (caster) {
getCombatArea(caster->getPosition(), position, area, tileList);
} else {
getCombatArea(position, position, area, tileList);
}
uint32_t maxX = 0;
uint32_t maxY = 0;
//calculate the max viewable range
for (Tile* tile : tileList) {
const Position& tilePos = tile->getPosition();
uint32_t diff = Position::getDistanceX(tilePos, position);
if (diff > maxX) {
maxX = diff;
}
diff = Position::getDistanceY(tilePos, position);
if (diff > maxY) {
maxY = diff;
}
}
const int32_t rangeX = maxX + Map::maxViewportX;
const int32_t rangeY = maxY + Map::maxViewportY;
SpectatorVector spectators;
g_game.map.getSpectators(spectators, position, true, true, rangeX, rangeX, rangeY, rangeY);
postCombatEffects(caster, position, params);
for (Tile* tile : tileList) {
if (canDoCombat(caster, tile, params.aggressive) != RETURNVALUE_NOERROR) {
continue;
}
combatTileEffects(spectators, caster, tile, params);
if (CreatureVector* creatures = tile->getCreatures()) {
const Creature* topCreature = tile->getTopCreature();
for (Creature* creature : *creatures) {
if (params.targetCasterOrTopMost) {
if (caster && caster->getTile() == tile) {
if (creature != caster) {
continue;
}
} else if (creature != topCreature) {
continue;
}
}
if (!params.aggressive || (caster != creature && Combat::canDoCombat(caster, creature) == RETURNVALUE_NOERROR)) {
CombatDamage damageCopy = damage; // we cannot avoid copying here, because we don't know if it's player combat or not, so we can't modify the initial damage.
if ((damageCopy.primary.value < 0 || damageCopy.secondary.value < 0) && caster) {
Player* targetPlayer = creature->getPlayer();
if (targetPlayer && caster->getPlayer() && targetPlayer->getSkull() != SKULL_BLACK) {
damageCopy.primary.value /= 2;
damageCopy.secondary.value /= 2;
}
}
bool success = false;
if (damageCopy.primary.type != COMBAT_MANADRAIN) {
if (g_game.combatBlockHit(damageCopy, caster, creature, params.blockedByShield, params.blockedByArmor, params.itemId != 0)) {
continue;
}
success = g_game.combatChangeHealth(caster, creature, damageCopy);
} else {
success = g_game.combatChangeMana(caster, creature, damageCopy);
}
if (success) {
if (params.origin != ORIGIN_MELEE && damageCopy.primary.value != 0 && damageCopy.secondary.value != 0) {
for (const auto& condition : params.conditionList) {
if (caster == creature || !creature->isImmune(condition->getType())) {
Condition* conditionCopy = condition->clone();
conditionCopy->setParam(CONDITION_PARAM_OWNER, caster->getID());
//TODO: infight condition until all aggressive conditions has ended
creature->addCombatCondition(conditionCopy);
}
}
}
if (params.dispelType == CONDITION_PARALYZE) {
creature->removeCondition(CONDITION_PARALYZE);
} else {
creature->removeCombatCondition(params.dispelType);
}
}
if (params.targetCallback) {
params.targetCallback->onTargetCombat(caster, creature);
}
if (params.targetCasterOrTopMost) {
break;
}
}
}
}
}
}
//**********************************************************//
void ValueCallback::getMinMaxValues(Player* player, CombatDamage& damage) const
{
//onGetPlayerMinMaxValues(...)
if (!scriptInterface->reserveScriptEnv()) {
std::cout << "[Error - ValueCallback::getMinMaxValues] Call stack overflow" << std::endl;
return;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
if (!env->setCallbackId(scriptId, scriptInterface)) {
scriptInterface->resetScriptEnv();
return;
}
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(scriptId);
LuaScriptInterface::pushUserdata<Player>(L, player);
LuaScriptInterface::setMetatable(L, -1, "Player");
int parameters = 1;
switch (type) {
case COMBAT_FORMULA_LEVELMAGIC: {
//onGetPlayerMinMaxValues(player, level, maglevel)
lua_pushnumber(L, player->getLevel());
lua_pushnumber(L, player->getMagicLevel());
parameters += 2;
break;
}
case COMBAT_FORMULA_SKILL: {
//onGetPlayerMinMaxValues(player, attackSkill, attackValue, attackFactor)
Item* tool = player->getWeapon();
const Weapon* weapon = g_weapons->getWeapon(tool);
Item* item = nullptr;
int32_t attackValue = 7;
if (weapon) {
attackValue = tool->getAttack();
if (tool->getWeaponType() == WEAPON_AMMO) {
item = player->getWeapon(true);
if (item) {
attackValue += item->getAttack();