/
spells.cpp
1276 lines (1063 loc) · 33.1 KB
/
spells.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 "configmanager.h"
#include "game.h"
#include "monster.h"
#include "pugicast.h"
#include "spells.h"
extern Game g_game;
extern Spells* g_spells;
extern Monsters g_monsters;
extern Vocations g_vocations;
extern ConfigManager g_config;
extern LuaEnvironment g_luaEnvironment;
Spells::Spells()
{
scriptInterface.initState();
}
Spells::~Spells()
{
clear(false);
}
TalkActionResult_t Spells::playerSaySpell(Player* player, std::string& words)
{
std::string str_words = words;
//strip trailing spaces
trimString(str_words);
InstantSpell* instantSpell = getInstantSpell(str_words);
if (!instantSpell) {
return TALKACTION_CONTINUE;
}
std::string param;
if (instantSpell->getHasParam()) {
size_t spellLen = instantSpell->getWords().length();
size_t paramLen = str_words.length() - spellLen;
std::string paramText = str_words.substr(spellLen, paramLen);
if (!paramText.empty() && paramText.front() == ' ') {
size_t loc1 = paramText.find('"', 1);
if (loc1 != std::string::npos) {
size_t loc2 = paramText.find('"', loc1 + 1);
if (loc2 == std::string::npos) {
loc2 = paramText.length();
} else if (paramText.find_last_not_of(' ') != loc2) {
return TALKACTION_CONTINUE;
}
param = paramText.substr(loc1 + 1, loc2 - loc1 - 1);
} else {
trimString(paramText);
loc1 = paramText.find(' ', 0);
if (loc1 == std::string::npos) {
param = paramText;
} else {
return TALKACTION_CONTINUE;
}
}
}
}
if (instantSpell->playerCastInstant(player, param)) {
words = instantSpell->getWords();
if (instantSpell->getHasParam() && !param.empty()) {
words += " \"" + param + "\"";
}
return TALKACTION_BREAK;
}
return TALKACTION_FAILED;
}
void Spells::clearMaps(bool fromLua)
{
for (auto instant = instants.begin(); instant != instants.end();) {
if (fromLua == instant->second.fromLua) {
instant = instants.erase(instant);
} else {
++instant;
}
}
for (auto rune = runes.begin(); rune != runes.end();) {
if (fromLua == rune->second.fromLua) {
rune = runes.erase(rune);
} else {
++rune;
}
}
}
void Spells::clear(bool fromLua)
{
clearMaps(fromLua);
reInitState(fromLua);
}
LuaScriptInterface& Spells::getScriptInterface()
{
return scriptInterface;
}
std::string Spells::getScriptBaseName() const
{
return "spells";
}
Event_ptr Spells::getEvent(const std::string& nodeName)
{
if (strcasecmp(nodeName.c_str(), "rune") == 0) {
return Event_ptr(new RuneSpell(&scriptInterface));
} else if (strcasecmp(nodeName.c_str(), "instant") == 0) {
return Event_ptr(new InstantSpell(&scriptInterface));
}
return nullptr;
}
bool Spells::registerEvent(Event_ptr event, const pugi::xml_node&)
{
InstantSpell* instant = dynamic_cast<InstantSpell*>(event.get());
if (instant) {
auto result = instants.emplace(instant->getWords(), std::move(*instant));
if (!result.second) {
std::cout << "[Warning - Spells::registerEvent] Duplicate registered instant spell with words: " << instant->getWords() << std::endl;
}
return result.second;
}
RuneSpell* rune = dynamic_cast<RuneSpell*>(event.get());
if (rune) {
auto result = runes.emplace(rune->getRuneItemId(), std::move(*rune));
if (!result.second) {
std::cout << "[Warning - Spells::registerEvent] Duplicate registered rune with id: " << rune->getRuneItemId() << std::endl;
}
return result.second;
}
return false;
}
bool Spells::registerInstantLuaEvent(InstantSpell* event)
{
InstantSpell_ptr instant { event };
if (instant) {
std::string words = instant->getWords();
auto result = instants.emplace(instant->getWords(), std::move(*instant));
if (!result.second) {
std::cout << "[Warning - Spells::registerInstantLuaEvent] Duplicate registered instant spell with words: " << words << std::endl;
}
return result.second;
}
return false;
}
bool Spells::registerRuneLuaEvent(RuneSpell* event)
{
RuneSpell_ptr rune { event };
if (rune) {
uint16_t id = rune->getRuneItemId();
auto result = runes.emplace(rune->getRuneItemId(), std::move(*rune));
if (!result.second) {
std::cout << "[Warning - Spells::registerRuneLuaEvent] Duplicate registered rune with id: " << id << std::endl;
}
return result.second;
}
return false;
}
Spell* Spells::getSpellByName(const std::string& name)
{
Spell* spell = getRuneSpellByName(name);
if (!spell) {
spell = getInstantSpellByName(name);
}
return spell;
}
RuneSpell* Spells::getRuneSpell(uint32_t id)
{
auto it = runes.find(id);
if (it == runes.end()) {
for (auto& rune : runes) {
if (rune.second.getId() == id) {
return &rune.second;
}
}
return nullptr;
}
return &it->second;
}
RuneSpell* Spells::getRuneSpellByName(const std::string& name)
{
for (auto& it : runes) {
if (strcasecmp(it.second.getName().c_str(), name.c_str()) == 0) {
return &it.second;
}
}
return nullptr;
}
InstantSpell* Spells::getInstantSpell(const std::string& words)
{
InstantSpell* result = nullptr;
for (auto& it : instants) {
const std::string& instantSpellWords = it.second.getWords();
size_t spellLen = instantSpellWords.length();
if (strncasecmp(instantSpellWords.c_str(), words.c_str(), spellLen) == 0) {
if (!result || spellLen > result->getWords().length()) {
result = &it.second;
if (words.length() == spellLen) {
break;
}
}
}
}
if (result) {
const std::string& resultWords = result->getWords();
if (words.length() > resultWords.length()) {
if (!result->getHasParam()) {
return nullptr;
}
size_t spellLen = resultWords.length();
size_t paramLen = words.length() - spellLen;
if (paramLen < 2 || words[spellLen] != ' ') {
return nullptr;
}
}
return result;
}
return nullptr;
}
InstantSpell* Spells::getInstantSpellByName(const std::string& name)
{
for (auto& it : instants) {
if (strcasecmp(it.second.getName().c_str(), name.c_str()) == 0) {
return &it.second;
}
}
return nullptr;
}
Position Spells::getCasterPosition(Creature* creature, Direction dir)
{
return getNextPosition(dir, creature->getPosition());
}
CombatSpell::CombatSpell(Combat_ptr combat, bool needTarget, bool needDirection) :
Event(&g_spells->getScriptInterface()),
combat(combat),
needDirection(needDirection),
needTarget(needTarget)
{}
bool CombatSpell::loadScriptCombat()
{
combat = g_luaEnvironment.getCombatObject(g_luaEnvironment.lastCombatId);
return combat != nullptr;
}
bool CombatSpell::castSpell(Creature* creature)
{
if (scripted) {
LuaVariant var;
var.type = VARIANT_POSITION;
if (needDirection) {
var.pos = Spells::getCasterPosition(creature, creature->getDirection());
} else {
var.pos = creature->getPosition();
}
return executeCastSpell(creature, var);
}
Position pos;
if (needDirection) {
pos = Spells::getCasterPosition(creature, creature->getDirection());
} else {
pos = creature->getPosition();
}
combat->doCombat(creature, pos);
return true;
}
bool CombatSpell::castSpell(Creature* creature, Creature* target)
{
if (scripted) {
LuaVariant var;
if (combat->hasArea()) {
var.type = VARIANT_POSITION;
if (needTarget) {
var.pos = target->getPosition();
} else if (needDirection) {
var.pos = Spells::getCasterPosition(creature, creature->getDirection());
} else {
var.pos = creature->getPosition();
}
} else {
var.type = VARIANT_NUMBER;
var.number = target->getID();
}
return executeCastSpell(creature, var);
}
if (combat->hasArea()) {
if (needTarget) {
combat->doCombat(creature, target->getPosition());
} else {
return castSpell(creature);
}
} else {
combat->doCombat(creature, target);
}
return true;
}
bool CombatSpell::executeCastSpell(Creature* creature, const LuaVariant& var)
{
//onCastSpell(creature, var)
if (!scriptInterface->reserveScriptEnv()) {
std::cout << "[Error - CombatSpell::executeCastSpell] Call stack overflow" << std::endl;
return false;
}
ScriptEnvironment* env = scriptInterface->getScriptEnv();
env->setScriptId(scriptId, scriptInterface);
lua_State* L = scriptInterface->getLuaState();
scriptInterface->pushFunction(scriptId);
LuaScriptInterface::pushUserdata<Creature>(L, creature);
LuaScriptInterface::setCreatureMetatable(L, -1, creature);
LuaScriptInterface::pushVariant(L, var);
return scriptInterface->callFunction(2);
}
bool Spell::configureSpell(const pugi::xml_node& node)
{
pugi::xml_attribute nameAttribute = node.attribute("name");
if (!nameAttribute) {
std::cout << "[Error - Spell::configureSpell] Spell without name" << std::endl;
return false;
}
name = nameAttribute.as_string();
static const char* reservedList[] = {
"melee",
"physical",
"poison",
"fire",
"energy",
"drown",
"lifedrain",
"manadrain",
"healing",
"speed",
"outfit",
"invisible",
"drunk",
"firefield",
"poisonfield",
"energyfield",
"firecondition",
"poisoncondition",
"energycondition",
"drowncondition",
"freezecondition",
"cursecondition",
"dazzlecondition"
};
//static size_t size = sizeof(reservedList) / sizeof(const char*);
//for (size_t i = 0; i < size; ++i) {
for (const char* reserved : reservedList) {
if (strcasecmp(reserved, name.c_str()) == 0) {
std::cout << "[Error - Spell::configureSpell] Spell is using a reserved name: " << reserved << std::endl;
return false;
}
}
pugi::xml_attribute attr;
if ((attr = node.attribute("spellid"))) {
spellId = pugi::cast<uint16_t>(attr.value());
}
if ((attr = node.attribute("group"))) {
std::string tmpStr = asLowerCaseString(attr.as_string());
if (tmpStr == "none" || tmpStr == "0") {
group = SPELLGROUP_NONE;
} else if (tmpStr == "attack" || tmpStr == "1") {
group = SPELLGROUP_ATTACK;
} else if (tmpStr == "healing" || tmpStr == "2") {
group = SPELLGROUP_HEALING;
} else if (tmpStr == "support" || tmpStr == "3") {
group = SPELLGROUP_SUPPORT;
} else if (tmpStr == "special" || tmpStr == "4") {
group = SPELLGROUP_SPECIAL;
} else {
std::cout << "[Warning - Spell::configureSpell] Unknown group: " << attr.as_string() << std::endl;
}
}
if ((attr = node.attribute("groupcooldown"))) {
groupCooldown = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("secondarygroup"))) {
std::string tmpStr = asLowerCaseString(attr.as_string());
if (tmpStr == "none" || tmpStr == "0") {
secondaryGroup = SPELLGROUP_NONE;
} else if (tmpStr == "attack" || tmpStr == "1") {
secondaryGroup = SPELLGROUP_ATTACK;
} else if (tmpStr == "healing" || tmpStr == "2") {
secondaryGroup = SPELLGROUP_HEALING;
} else if (tmpStr == "support" || tmpStr == "3") {
secondaryGroup = SPELLGROUP_SUPPORT;
} else if (tmpStr == "special" || tmpStr == "4") {
secondaryGroup = SPELLGROUP_SPECIAL;
} else {
std::cout << "[Warning - Spell::configureSpell] Unknown secondarygroup: " << attr.as_string() << std::endl;
}
}
if ((attr = node.attribute("secondarygroupcooldown"))) {
secondaryGroupCooldown = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("level")) || (attr = node.attribute("lvl"))) {
level = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("magiclevel")) || (attr = node.attribute("maglv"))) {
magLevel = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("mana"))) {
mana = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("manapercent"))) {
manaPercent = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("soul"))) {
soul = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("range"))) {
range = pugi::cast<int32_t>(attr.value());
}
if ((attr = node.attribute("cooldown")) || (attr = node.attribute("exhaustion"))) {
cooldown = pugi::cast<uint32_t>(attr.value());
}
if ((attr = node.attribute("premium")) || (attr = node.attribute("prem"))) {
premium = attr.as_bool();
}
if ((attr = node.attribute("enabled"))) {
enabled = attr.as_bool();
}
if ((attr = node.attribute("needtarget"))) {
needTarget = attr.as_bool();
}
if ((attr = node.attribute("needweapon"))) {
needWeapon = attr.as_bool();
}
if ((attr = node.attribute("selftarget"))) {
selfTarget = attr.as_bool();
}
if ((attr = node.attribute("needlearn"))) {
learnable = attr.as_bool();
}
if ((attr = node.attribute("blocking"))) {
blockingSolid = attr.as_bool();
blockingCreature = blockingSolid;
}
if ((attr = node.attribute("blocktype"))) {
std::string tmpStrValue = asLowerCaseString(attr.as_string());
if (tmpStrValue == "all") {
blockingSolid = true;
blockingCreature = true;
} else if (tmpStrValue == "solid") {
blockingSolid = true;
} else if (tmpStrValue == "creature") {
blockingCreature = true;
} else {
std::cout << "[Warning - Spell::configureSpell] Blocktype \"" << attr.as_string() << "\" does not exist." << std::endl;
}
}
if ((attr = node.attribute("pzlock"))) {
pzLock = booleanString(attr.as_string());
}
if ((attr = node.attribute("aggressive"))) {
aggressive = booleanString(attr.as_string());
}
if (group == SPELLGROUP_NONE) {
group = (aggressive ? SPELLGROUP_ATTACK : SPELLGROUP_HEALING);
}
for (auto vocationNode : node.children()) {
if (!(attr = vocationNode.attribute("name"))) {
continue;
}
int32_t vocationId = g_vocations.getVocationId(attr.as_string());
if (vocationId != -1) {
attr = vocationNode.attribute("showInDescription");
vocSpellMap[vocationId] = !attr || attr.as_bool();
} else {
std::cout << "[Warning - Spell::configureSpell] Wrong vocation name: " << attr.as_string() << std::endl;
}
}
return true;
}
bool Spell::playerSpellCheck(Player* player) const
{
if (player->hasFlag(PlayerFlag_CannotUseSpells)) {
return false;
}
if (player->hasFlag(PlayerFlag_IgnoreSpellCheck)) {
return true;
}
if (!enabled) {
return false;
}
if ((aggressive || pzLock) && (range < 1 || (range > 0 && !player->getAttackedCreature())) && player->getSkull() == SKULL_BLACK) {
player->sendCancelMessage(RETURNVALUE_NOTPOSSIBLE);
return false;
}
if ((aggressive || pzLock) && player->hasCondition(CONDITION_PACIFIED)) {
player->sendCancelMessage(RETURNVALUE_YOUAREEXHAUSTED);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if ((aggressive || pzLock) && !player->hasFlag(PlayerFlag_IgnoreProtectionZone) && player->getZone() == ZONE_PROTECTION) {
player->sendCancelMessage(RETURNVALUE_ACTIONNOTPERMITTEDINPROTECTIONZONE);
return false;
}
if (player->hasCondition(CONDITION_SPELLGROUPCOOLDOWN, group) || player->hasCondition(CONDITION_SPELLCOOLDOWN, spellId) || (secondaryGroup != SPELLGROUP_NONE && player->hasCondition(CONDITION_SPELLGROUPCOOLDOWN, secondaryGroup))) {
player->sendCancelMessage(RETURNVALUE_YOUAREEXHAUSTED);
if (isInstant()) {
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
}
return false;
}
if (player->getLevel() < level) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHLEVEL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (player->getMagicLevel() < magLevel) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHMAGICLEVEL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (player->getMana() < getManaCost(player) && !player->hasFlag(PlayerFlag_HasInfiniteMana)) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHMANA);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (player->getSoul() < soul && !player->hasFlag(PlayerFlag_HasInfiniteSoul)) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHSOUL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (isInstant() && isLearnable()) {
if (!player->hasLearnedInstantSpell(getName())) {
player->sendCancelMessage(RETURNVALUE_YOUNEEDTOLEARNTHISSPELL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
} else if (!vocSpellMap.empty() && vocSpellMap.find(player->getVocationId()) == vocSpellMap.end()) {
player->sendCancelMessage(RETURNVALUE_YOURVOCATIONCANNOTUSETHISSPELL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (needWeapon) {
switch (player->getWeaponType()) {
case WEAPON_SWORD:
case WEAPON_CLUB:
case WEAPON_AXE:
break;
default: {
player->sendCancelMessage(RETURNVALUE_YOUNEEDAWEAPONTOUSETHISSPELL);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
}
}
if (isPremium() && !player->isPremium()) {
player->sendCancelMessage(RETURNVALUE_YOUNEEDPREMIUMACCOUNT);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
return true;
}
bool Spell::playerInstantSpellCheck(Player* player, const Position& toPos)
{
if (toPos.x == 0xFFFF) {
return true;
}
const Position& playerPos = player->getPosition();
if (playerPos.z > toPos.z) {
player->sendCancelMessage(RETURNVALUE_FIRSTGOUPSTAIRS);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
} else if (playerPos.z < toPos.z) {
player->sendCancelMessage(RETURNVALUE_FIRSTGODOWNSTAIRS);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
Tile* tile = g_game.map.getTile(toPos);
if (!tile) {
tile = new StaticTile(toPos.x, toPos.y, toPos.z);
g_game.map.setTile(toPos, tile);
}
if (blockingCreature && tile->getBottomVisibleCreature(player)) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHROOM);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (blockingSolid && tile->hasFlag(TILESTATE_BLOCKSOLID)) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHROOM);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
return true;
}
bool Spell::playerRuneSpellCheck(Player* player, const Position& toPos)
{
if (!playerSpellCheck(player)) {
return false;
}
if (toPos.x == 0xFFFF) {
return true;
}
const Position& playerPos = player->getPosition();
if (playerPos.z > toPos.z) {
player->sendCancelMessage(RETURNVALUE_FIRSTGOUPSTAIRS);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
} else if (playerPos.z < toPos.z) {
player->sendCancelMessage(RETURNVALUE_FIRSTGODOWNSTAIRS);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
Tile* tile = g_game.map.getTile(toPos);
if (!tile) {
player->sendCancelMessage(RETURNVALUE_NOTPOSSIBLE);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (range != -1 && !g_game.canThrowObjectTo(playerPos, toPos, true, true, range, range)) {
player->sendCancelMessage(RETURNVALUE_DESTINATIONOUTOFREACH);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
ReturnValue ret = Combat::canDoCombat(player, tile, aggressive);
if (ret != RETURNVALUE_NOERROR) {
player->sendCancelMessage(ret);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
const Creature* topVisibleCreature = tile->getBottomVisibleCreature(player);
if (blockingCreature && topVisibleCreature) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHROOM);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
} else if (blockingSolid && tile->hasFlag(TILESTATE_BLOCKSOLID)) {
player->sendCancelMessage(RETURNVALUE_NOTENOUGHROOM);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (needTarget && !topVisibleCreature) {
player->sendCancelMessage(RETURNVALUE_CANONLYUSETHISRUNEONCREATURES);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (aggressive && needTarget && topVisibleCreature && player->hasSecureMode()) {
const Player* targetPlayer = topVisibleCreature->getPlayer();
if (targetPlayer && targetPlayer != player && player->getSkullClient(targetPlayer) == SKULL_NONE && !Combat::isInPvpZone(player, targetPlayer)) {
player->sendCancelMessage(RETURNVALUE_TURNSECUREMODETOATTACKUNMARKEDPLAYERS);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
}
return true;
}
void Spell::postCastSpell(Player* player, bool finishedCast /*= true*/, bool payCost /*= true*/) const
{
if (finishedCast) {
if (!player->hasFlag(PlayerFlag_HasNoExhaustion)) {
if (cooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLCOOLDOWN, cooldown, 0, false, spellId);
player->addCondition(condition);
}
if (groupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, groupCooldown, 0, false, group);
player->addCondition(condition);
}
if (secondaryGroupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, secondaryGroupCooldown, 0, false, secondaryGroup);
player->addCondition(condition);
}
}
if (aggressive) {
player->addInFightTicks();
}
}
if (payCost) {
Spell::postCastSpell(player, getManaCost(player), getSoulCost());
}
}
void Spell::postCastSpell(Player* player, uint32_t manaCost, uint32_t soulCost)
{
if (manaCost > 0) {
player->addManaSpent(manaCost);
player->changeMana(-static_cast<int32_t>(manaCost));
}
if (!player->hasFlag(PlayerFlag_HasInfiniteSoul)) {
if (soulCost > 0) {
player->changeSoul(-static_cast<int32_t>(soulCost));
}
}
}
uint32_t Spell::getManaCost(const Player* player) const
{
if (mana != 0) {
return mana;
}
if (manaPercent != 0) {
uint32_t maxMana = player->getMaxMana();
uint32_t manaCost = (maxMana * manaPercent) / 100;
return manaCost;
}
return 0;
}
std::string InstantSpell::getScriptEventName() const
{
return "onCastSpell";
}
bool InstantSpell::configureEvent(const pugi::xml_node& node)
{
if (!Spell::configureSpell(node)) {
return false;
}
if (!TalkAction::configureEvent(node)) {
return false;
}
spellType = SPELL_INSTANT;
pugi::xml_attribute attr;
if ((attr = node.attribute("params"))) {
hasParam = attr.as_bool();
}
if ((attr = node.attribute("playernameparam"))) {
hasPlayerNameParam = attr.as_bool();
}
if ((attr = node.attribute("direction"))) {
needDirection = attr.as_bool();
} else if ((attr = node.attribute("casterTargetOrDirection"))) {
casterTargetOrDirection = attr.as_bool();
}
if ((attr = node.attribute("blockwalls"))) {
checkLineOfSight = attr.as_bool();
}
return true;
}
bool InstantSpell::playerCastInstant(Player* player, std::string& param)
{
if (!playerSpellCheck(player)) {
return false;
}
LuaVariant var;
if (selfTarget) {
var.type = VARIANT_NUMBER;
var.number = player->getID();
} else if (needTarget || casterTargetOrDirection) {
Creature* target = nullptr;
bool useDirection = false;
if (hasParam) {
Player* playerTarget = nullptr;
ReturnValue ret = g_game.getPlayerByNameWildcard(param, playerTarget);
if (playerTarget && playerTarget->isAccessPlayer() && !player->isAccessPlayer()) {
playerTarget = nullptr;
}
target = playerTarget;
if (!target || target->getHealth() <= 0) {
if (!casterTargetOrDirection) {
if (cooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLCOOLDOWN, cooldown, 0, false, spellId);
player->addCondition(condition);
}
if (groupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, groupCooldown, 0, false, group);
player->addCondition(condition);
}
if (secondaryGroupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, secondaryGroupCooldown, 0, false, secondaryGroup);
player->addCondition(condition);
}
player->sendCancelMessage(ret);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
useDirection = true;
}
if (playerTarget) {
param = playerTarget->getName();
}
} else {
target = player->getAttackedCreature();
if (!target || target->getHealth() <= 0) {
if (!casterTargetOrDirection) {
player->sendCancelMessage(RETURNVALUE_YOUCANONLYUSEITONCREATURES);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
useDirection = true;
}
}
if (!useDirection) {
if (!canThrowSpell(player, target)) {
player->sendCancelMessage(RETURNVALUE_CREATUREISNOTREACHABLE);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
var.type = VARIANT_NUMBER;
var.number = target->getID();
} else {
var.type = VARIANT_POSITION;
var.pos = Spells::getCasterPosition(player, player->getDirection());
if (!playerInstantSpellCheck(player, var.pos)) {
return false;
}
}
} else if (hasParam) {
var.type = VARIANT_STRING;
if (getHasPlayerNameParam()) {
Player* playerTarget = nullptr;
ReturnValue ret = g_game.getPlayerByNameWildcard(param, playerTarget);
if (ret != RETURNVALUE_NOERROR) {
if (cooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLCOOLDOWN, cooldown, 0, false, spellId);
player->addCondition(condition);
}
if (groupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, groupCooldown, 0, false, group);
player->addCondition(condition);
}
if (secondaryGroupCooldown > 0) {
Condition* condition = Condition::createCondition(CONDITIONID_DEFAULT, CONDITION_SPELLGROUPCOOLDOWN, secondaryGroupCooldown, 0, false, secondaryGroup);
player->addCondition(condition);
}
player->sendCancelMessage(ret);
g_game.addMagicEffect(player->getPosition(), CONST_ME_POFF);
return false;
}
if (playerTarget && (!playerTarget->isAccessPlayer() || player->isAccessPlayer())) {
param = playerTarget->getName();
}
}
var.text = param;
} else {
var.type = VARIANT_POSITION;
if (needDirection) {
var.pos = Spells::getCasterPosition(player, player->getDirection());
} else {
var.pos = player->getPosition();
}
if (!playerInstantSpellCheck(player, var.pos)) {
return false;
}