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item.cpp
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//////////////////////////////////////////////////////////////////////
// OpenTibia - an opensource roleplaying game
//////////////////////////////////////////////////////////////////////
// Represents an item
//////////////////////////////////////////////////////////////////////
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//////////////////////////////////////////////////////////////////////
#include "otpch.h"
#include "item.h"
#include "container.h"
#include "depot.h"
#include "teleport.h"
#include "trashholder.h"
#include "mailbox.h"
#include "house.h"
#include "game.h"
#include "luascript.h"
#include "actions.h"
#include "combat.h"
#include "weapons.h"
#include "beds.h"
#include <iostream>
#include <sstream>
#include <iomanip>
extern Game g_game;
extern Weapons* g_weapons;
Items Item::items;
Item* Item::CreateItem(const uint16_t _type, uint16_t _count /*= 0*/)
{
Item* newItem = NULL;
const ItemType& it = Item::items[_type];
if(it.group == ITEM_GROUP_DEPRECATED){
#ifdef __DEBUG__
std::cout << "Error: [Item::CreateItem] Item id " << it.id << " has been declared deprecated." << std::endl;
#endif
return NULL;
}
if(it.stackable && !_count){
_count = 1;
}
if(it.id != 0){
if(it.isDepot()){
newItem = new Depot(_type);
}
else if(it.isContainer()){
newItem = new Container(_type);
}
else if(it.isTeleport()){
newItem = new Teleport(_type);
}
else if(it.isMagicField()){
newItem = new MagicField(_type);
}
else if(it.isDoor()){
newItem = new Door(_type);
}
else if(it.isTrashHolder()){
newItem = new TrashHolder(_type, it.magicEffect);
}
else if(it.isMailbox()){
newItem = new Mailbox(_type);
}
else if(it.isBed()){
newItem = new BedItem(_type);
}
else{
newItem = new Item(_type, _count);
}
newItem->useThing2();
}
return newItem;
}
Item* Item::CreateItem(PropStream& propStream)
{
uint16_t _id;
if(!propStream.GET_UINT16(_id)){
return NULL;
}
return Item::CreateItem(_id, 0);
}
bool Item::loadItem(xmlNodePtr node, Container* parent)
{
if(xmlStrcmp(node->name, (const xmlChar*)"item") == 0){
int32_t intValue;
std::string strValue;
Item* item = NULL;
if(readXMLInteger(node, "id", intValue)){
item = Item::CreateItem(intValue);
}
if(!item){
return false;
}
//optional
if(readXMLInteger(node, "subtype", intValue)){
item->setSubType(intValue);
}
if(readXMLInteger(node, "actionid", intValue)){
item->setActionId(intValue);
}
if(readXMLString(node, "text", strValue)){
item->setText(strValue);
}
if(item->getContainer()){
loadContainer(node, item->getContainer());
}
if(parent){
parent->addItem(item);
}
return true;
}
return false;
}
bool Item::loadContainer(xmlNodePtr parentNode, Container* parent)
{
xmlNodePtr node = parentNode->children;
while(node){
if(node->type != XML_ELEMENT_NODE){
node = node->next;
continue;
}
if(xmlStrcmp(node->name, (const xmlChar*)"item") == 0){
if(!loadItem(node, parent)){
return false;
}
}
node = node->next;
}
return true;
}
Item::Item(const uint16_t _type, uint16_t _count /*= 0*/) :
ItemAttributes()
{
id = _type;
const ItemType& it = items[id];
setItemCount(1);
if(it.isFluidContainer() || it.isSplash()){
setFluidType(_count);
}
else if(it.stackable){
if(_count != 0){
setItemCount(_count);
}
else if(it.charges != 0){
setItemCount(it.charges);
}
}
else if(it.charges != 0){
//if count is higher than 1, override default charges
if(_count > 1){
setCharges(_count);
}
else{
setCharges(it.charges);
}
}
setDefaultDuration();
}
Item::Item(const Item &i) :
Thing(), ItemAttributes()
{
//std::cout << "Item copy constructor " << this << std::endl;
id = i.id;
count = i.count;
m_attributes = i.m_attributes;
if(i.m_firstAttr){
m_firstAttr = new Attribute(*i.m_firstAttr);
}
}
Item* Item::clone() const
{
Item* _item = Item::CreateItem(id, count);
_item->m_attributes = m_attributes;
if(m_firstAttr){
_item->m_firstAttr = new Attribute(*m_firstAttr);
}
return _item;
}
void Item::copyAttributes(Item* item)
{
m_attributes = item->m_attributes;
if(item->m_firstAttr){
m_firstAttr = new Attribute(*item->m_firstAttr);
}
removeAttribute(ATTR_ITEM_DECAYING);
removeAttribute(ATTR_ITEM_DURATION);
}
Item::~Item()
{
//std::cout << "Item destructor " << this << std::endl;
}
void Item::setDefaultSubtype()
{
const ItemType& it = items[id];
setItemCount(1);
if(it.charges != 0){
if(it.stackable){
setItemCount(it.charges);
}
else{
setCharges(it.charges);
}
}
}
void Item::onRemoved()
{
ScriptEnviroment::removeTempItem(this);
if(getUniqueId() != 0){
ScriptEnviroment::removeUniqueThing(this);
}
}
void Item::setID(uint16_t newid)
{
const ItemType& prevIt = Item::items[id];
id = newid;
const ItemType& it = Item::items[newid];
uint32_t newDuration = it.decayTime * 1000;
if(newDuration == 0 && !it.stopTime && it.decayTo == -1){
removeAttribute(ATTR_ITEM_DECAYING);
removeAttribute(ATTR_ITEM_DURATION);
}
if(hasAttribute(ATTR_ITEM_CORPSEOWNER)){
removeAttribute(ATTR_ITEM_CORPSEOWNER);
}
if(newDuration > 0 && (!prevIt.stopTime || !hasAttribute(ATTR_ITEM_DURATION)) ){
setDecaying(DECAYING_FALSE);
setDuration(newDuration);
}
}
bool Item::hasSubType() const
{
const ItemType& it = items[id];
return it.hasSubType();
}
uint16_t Item::getSubType() const
{
const ItemType& it = items[getID()];
if(it.isFluidContainer() || it.isSplash()){
return getFluidType();
}
else if(it.stackable){
return getItemCount();
}
else if(it.charges != 0){
return getCharges();
}
return getItemCount();
}
Player* Item::getHoldingPlayer()
{
Cylinder* p = getParent();
while(p){
if(p->getCreature())
// Must be a player, creatures are not cylinders
return p->getCreature()->getPlayer();
p = p->getParent();
}
return NULL;
}
const Player* Item::getHoldingPlayer() const
{
return const_cast<Item*>(this)->getHoldingPlayer();
}
void Item::setSubType(uint16_t n)
{
const ItemType& it = items[id];
if(it.isFluidContainer() || it.isSplash()){
setFluidType(n);
}
else if(it.stackable){
setItemCount(n);
}
else if(it.charges != 0){
setCharges(n);
}
else{
setItemCount(n);
}
}
Attr_ReadValue Item::readAttr(AttrTypes_t attr, PropStream& propStream)
{
switch(attr){
case ATTR_COUNT:
{
uint8_t _count = 0;
if(!propStream.GET_UINT8(_count)){
return ATTR_READ_ERROR;
}
setSubType(_count);
break;
}
case ATTR_ACTION_ID:
{
uint16_t _actionid = 0;
if(!propStream.GET_UINT16(_actionid)){
return ATTR_READ_ERROR;
}
setActionId(_actionid);
break;
}
case ATTR_UNIQUE_ID:
{
uint16_t _uniqueid;
if(!propStream.GET_UINT16(_uniqueid)){
return ATTR_READ_ERROR;
}
setUniqueId(_uniqueid);
break;
}
case ATTR_TEXT:
{
std::string _text;
if(!propStream.GET_STRING(_text)){
return ATTR_READ_ERROR;
}
setText(_text);
break;
}
case ATTR_WRITTENDATE:
{
uint32_t _writtenDate;
if(!propStream.GET_UINT32(_writtenDate)){
return ATTR_READ_ERROR;
}
setWrittenDate(_writtenDate);
break;
}
case ATTR_WRITTENBY:
{
std::string _writer;
if(!propStream.GET_STRING(_writer)){
return ATTR_READ_ERROR;
}
setWriter(_writer);
break;
}
case ATTR_DESC:
{
std::string _text;
if(!propStream.GET_STRING(_text)){
return ATTR_READ_ERROR;
}
setSpecialDescription(_text);
break;
}
case ATTR_RUNE_CHARGES:
{
uint8_t _charges = 1;
if(!propStream.GET_UINT8(_charges)){
return ATTR_READ_ERROR;
}
setSubType(_charges);
break;
}
case ATTR_CHARGES:
{
uint16_t _charges = 1;
if(!propStream.GET_UINT16(_charges)){
return ATTR_READ_ERROR;
}
setSubType(_charges);
break;
}
case ATTR_DURATION:
{
uint32_t duration = 0;
if(!propStream.GET_UINT32(duration)){
return ATTR_READ_ERROR;
}
if(((int32_t)duration) < 0){
duration = 0;
}
setDuration(duration);
break;
}
case ATTR_DECAYING_STATE:
{
uint8_t state = 0;
if(!propStream.GET_UINT8(state)){
return ATTR_READ_ERROR;
}
if(state != DECAYING_FALSE){
setDecaying(DECAYING_PENDING);
}
break;
}
//these should be handled through derived classes
//If these are called then something has changed in the items.xml since the map was saved
//just read the values
//Depot class
case ATTR_DEPOT_ID:
{
uint16_t _depotId;
if(!propStream.GET_UINT16(_depotId)){
return ATTR_READ_ERROR;
}
return ATTR_READ_CONTINUE;
}
//Door class
case ATTR_HOUSEDOORID:
{
uint8_t _doorId;
if(!propStream.GET_UINT8(_doorId)){
return ATTR_READ_ERROR;
}
return ATTR_READ_CONTINUE;
}
//Bed class
case ATTR_SLEEPERGUID:
{
uint32_t _guid;
if(!propStream.GET_UINT32(_guid)){
return ATTR_READ_ERROR;
}
return ATTR_READ_CONTINUE;
}
case ATTR_SLEEPSTART:
{
uint32_t sleep_start;
if(!propStream.GET_UINT32(sleep_start)){
return ATTR_READ_ERROR;
}
return ATTR_READ_CONTINUE;
}
//Teleport class
case ATTR_TELE_DEST:
{
TeleportDest tele_dest;
if( !propStream.GET_UINT16(tele_dest._x) ||
!propStream.GET_UINT16(tele_dest._y) ||
!propStream.GET_UINT8(tele_dest._z))
{
return ATTR_READ_ERROR;
}
return ATTR_READ_CONTINUE;
}
//Container class
case ATTR_CONTAINER_ITEMS:
{
uint32_t count;
if(!propStream.GET_UINT32(count)){
return ATTR_READ_ERROR;
}
//We cant continue parse attributes since there is
//container data after this attribute.
return ATTR_READ_ERROR;
}
default:
return ATTR_READ_ERROR;
break;
}
return ATTR_READ_CONTINUE;
}
bool Item::unserializeAttr(PropStream& propStream)
{
uint8_t attr_type;
while(propStream.GET_UINT8(attr_type) && attr_type != 0){
Attr_ReadValue ret = readAttr((AttrTypes_t)attr_type, propStream);
if(ret == ATTR_READ_ERROR){
return false;
break;
}
else if(ret == ATTR_READ_END){
return true;
}
}
return true;
}
bool Item::unserializeItemNode(FileLoader& f, NODE node, PropStream& propStream)
{
return unserializeAttr(propStream);
}
bool Item::serializeAttr(PropWriteStream& propWriteStream) const
{
if(isStackable() || isFluidContainer() || isSplash()){
uint8_t _count = getSubType();
propWriteStream.ADD_UINT8(ATTR_COUNT);
propWriteStream.ADD_UINT8(_count);
}
if(hasCharges()){
uint16_t _count = getCharges();
propWriteStream.ADD_UINT8(ATTR_CHARGES);
propWriteStream.ADD_UINT16(_count);
}
if(!isNotMoveable() /*moveable*/){
uint16_t _actionId = getActionId();
if(_actionId){
propWriteStream.ADD_UINT8(ATTR_ACTION_ID);
propWriteStream.ADD_UINT16(_actionId);
}
}
const std::string& _text = getText();
if(_text.length() > 0){
propWriteStream.ADD_UINT8(ATTR_TEXT);
propWriteStream.ADD_STRING(_text);
}
const time_t _writtenDate = getWrittenDate();
if(_writtenDate > 0){
propWriteStream.ADD_UINT8(ATTR_WRITTENDATE);
propWriteStream.ADD_UINT32(_writtenDate);
}
const std::string& _writer = getWriter();
if(_writer.length() > 0){
propWriteStream.ADD_UINT8(ATTR_WRITTENBY);
propWriteStream.ADD_STRING(_writer);
}
const std::string& _specialDesc = getSpecialDescription();
if(_specialDesc.length() > 0){
propWriteStream.ADD_UINT8(ATTR_DESC);
propWriteStream.ADD_STRING(_specialDesc);
}
if(hasAttribute(ATTR_ITEM_DURATION)){
uint32_t duration = getDuration();
propWriteStream.ADD_UINT8(ATTR_DURATION);
propWriteStream.ADD_UINT32(duration);
}
uint32_t decayState = getDecaying();
if(decayState == DECAYING_TRUE || decayState == DECAYING_PENDING){
propWriteStream.ADD_UINT8(ATTR_DECAYING_STATE);
propWriteStream.ADD_UINT8(decayState);
}
return true;
}
bool Item::hasProperty(enum ITEMPROPERTY prop) const
{
const ItemType& it = items[id];
switch(prop){
case BLOCKSOLID:
if(it.blockSolid)
return true;
break;
case MOVEABLE:
if(it.moveable && getUniqueId() == 0)
return true;
break;
case HASHEIGHT:
if(it.hasHeight)
return true;
break;
case BLOCKPROJECTILE:
if(it.blockProjectile)
return true;
break;
case BLOCKPATH:
if(it.blockPathFind)
return true;
break;
case ISVERTICAL:
if(it.isVertical)
return true;
break;
case ISHORIZONTAL:
if(it.isHorizontal)
return true;
break;
case IMMOVABLEBLOCKSOLID:
if(it.blockSolid && (!it.moveable || getUniqueId() != 0))
return true;
break;
case IMMOVABLEBLOCKPATH:
if(it.blockPathFind && (!it.moveable || getUniqueId() != 0))
return true;
break;
case SUPPORTHANGABLE:
if(it.isHorizontal || it.isVertical)
return true;
break;
case IMMOVABLENOFIELDBLOCKPATH:
if(!it.isMagicField() && it.blockPathFind && (!it.moveable || getUniqueId() != 0))
return true;
break;
case NOFIELDBLOCKPATH:
if(!it.isMagicField() && it.blockPathFind)
return true;
break;
default:
return false;
}
return false;
}
double Item::getWeight() const
{
if(isStackable()){
return items[id].weight * std::max((int32_t)1, (int32_t)getItemCount());
}
return items[id].weight;
}
std::string Item::getLongName(const ItemType& it, int32_t lookDistance,
const Item* item /*= NULL*/, int32_t subType /*= -1*/, bool addArticle /*= true*/)
{
std::ostringstream s;
if(item){
subType = item->getSubType();
}
if(it.name.length()){
if(it.stackable && subType > 1){
if(it.showCount){
s << subType << " ";
}
s << it.pluralName;
}
else{
if(addArticle && !it.article.empty()){
s << it.article << " ";
}
s << it.name;
}
}
else{
s << "an item of type " << it.id << ", please report it to gamemaster";
}
return s.str();
}
std::string Item::getLongName() const
{
const ItemType& it = items[id];
return getLongName(it, 0, this);
}
std::string Item::getDescription(const ItemType& it, int32_t lookDistance,
const Item* item /*= NULL*/, int32_t subType /*= -1*/, bool addArticle /*= true*/)
{
std::stringstream s;
if(item){
subType = item->getSubType();
}
s << getLongName(it, lookDistance, item, subType, addArticle);
if(it.isRune()){
s << " (\"" << it.runeSpellName << "\").";
if(it.runeLevel > 0 || it.runeMagLevel > 0){
s << std::endl << "It can only be used with";
if(it.runeLevel > 0){
s << " level " << it.runeLevel;
}
if(it.runeMagLevel > 0){
if(it.runeLevel > 0){
s << " and";
}
s << " magic level " << it.runeMagLevel;
}
s << " or higher.";
}
}
else if(it.weaponType != WEAPON_NONE){
if(it.weaponType == WEAPON_DIST && it.amuType != AMMO_NONE){
s << " (Range:" << it.shootRange;
if(it.attack != 0){
s << ", Atk" << std::showpos << it.attack << std::noshowpos;
}
if(it.hitChance > 0){ //excludes both cases it.hitchance 0 and -1
s << ", Hit%" << std::showpos << it.hitChance << std::noshowpos;
}
s << ")";
}
else if(it.weaponType != WEAPON_AMMO && it.weaponType != WEAPON_WAND){ // Arrows and Bolts doesn't show atk
s << " (";
if(it.attack != 0){
s << "Atk:" << (int32_t)it.attack;
if(it.abilities.elementDamage != 0){
s << " " << "physical + ";
switch(it.abilities.elementType){
case COMBAT_ICEDAMAGE: s << it.abilities.elementDamage << " Ice,"; break;
case COMBAT_EARTHDAMAGE: s << it.abilities.elementDamage << " Earth,"; break;
case COMBAT_FIREDAMAGE: s << it.abilities.elementDamage << " Fire,"; break;
case COMBAT_ENERGYDAMAGE: s << it.abilities.elementDamage << " Energy,"; break;
default: s << it.abilities.elementDamage << " Unknown,"; break;
}
}
}
if(it.defense != 0 || it.extraDef != 0){
if(it.attack != 0)
s << " ";
s << "Def:" << (int32_t)it.defense;
if(it.extraDef != 0){
s << " " << std::showpos << (int32_t)it.extraDef << std::noshowpos;
}
}
if(it.abilities.stats[STAT_MAGICPOINTS] != 0){
if(it.attack != 0 || it.defense != 0 || it.extraDef != 0)
s << ", ";
s << "magic level " << std::showpos << (int32_t)it.abilities.stats[STAT_MAGICPOINTS] << std::noshowpos;
}
s << ")";
}
if(it.showCharges){
if(subType > 1){
s << " that has " << (int32_t)subType << " charges left";
}
else{
s << " that has 1 charge left";
}
}
s << ".";
}
else if(it.armor != 0 || it.abilities.skill.any() || it.abilities.absorb.any() || it.abilities.stats[STAT_MAGICPOINTS] != 0 || it.abilities.speed != 0 || it.defense != 0 ){
if(it.showCharges){
if(subType > 1){
s << " that has " << (int32_t)subType << " charges left";
}
else{
s << " that has 1 charge left";
}
}
else if(it.showDuration){
if(item && item->hasAttribute(ATTR_ITEM_DURATION)){
int32_t duration = item->getDuration() / 1000;
s << " that has energy for ";
if(duration >= 120){
s << duration / 60 << " minutes left.";
}
else if(duration > 60){
s << "1 minute left.";
}
else{
s << "less than a minute left.";
}
}
else{
s << " that is brand-new.";
}
}
s << " (";
bool prevDesc = false;
if(it.armor != 0){
// as it is the first desc it isn't
// really necessary to add it here
//if(prevDesc)
// s << ", ";
s << "Arm:" << it.armor;
prevDesc = true;
}
if(it.abilities.skill.any()){
if(prevDesc)
s << ", ";
it.abilities.skill.getDescription(s);
prevDesc = true;
}
if(it.abilities.absorb.any()){
if(prevDesc)
s << ", ";
s << "protection";
it.abilities.absorb.getDescription(s);
prevDesc = true;
}
if(it.abilities.stats[STAT_MAGICPOINTS] != 0){
if(prevDesc)
s << ", ";
s << "magic level " << std::showpos << (int32_t)it.abilities.stats[STAT_MAGICPOINTS] << std::noshowpos;
prevDesc = true;
}
if(it.defense != 0){
if(prevDesc)
s << ", ";
s << "defense " << std::showpos << (int32_t)it.defense << std::noshowpos;
prevDesc = true;
}
if(it.abilities.speed != 0){
if(prevDesc)
s << ", ";
s << "speed " << std::showpos << (int32_t)(it.abilities.speed / 2) << std::noshowpos;
// last desc... same thing as the first
//prevDesc = true;
}
s << ").";
}
else if(it.isFluidContainer()){
if(subType > 0){
s << " of " << items[subType].name << ".";
}
else{
s << ". It is empty.";
}
}
else if(it.isSplash()){
s << " of ";
if(subType > 0){
s << items[subType].name << ".";
}
else{
s << items[1].name << ".";
}
}
else if(it.isContainer()){
s << " (Vol:" << (int32_t)it.maxItems << ").";
}
else if(it.isKey()){
if(item){
s << " (Key:" << (int32_t)item->getActionId() << ").";
}
else{
s << " (Key:0).";
}
}
else if(it.allowDistRead){
s << std::endl;
if(item && item->getText() != ""){
if(lookDistance <= 4){
if(item->getWriter().length()){
s << item->getWriter() << " wrote";
time_t wDate = item->getWrittenDate();
if(wDate > 0){
char date[16];
formatDateShort(wDate, date);
s << " on " << date;
}
s << ": ";
}
else{
s << "You read: ";
}
s << item->getText();
}
else{
s << "You are too far away to read it.";
}
}
else{
s << "Nothing is written on it.";
}
}
else if(it.isLevelDoor() && item && item->getActionId() >= 1000)
s << " for level " << item->getActionId() - 1000;
else if(it.showCharges){
if(subType > 1){
s << " that has " << (int32_t)subType << " charges left.";
}
else{
s << " that has 1 charge left.";
}
}
else if(it.showDuration){
if(item && item->hasAttribute(ATTR_ITEM_DURATION)){
int32_t duration = item->getDuration() / 1000;