/
tile.cpp
1609 lines (1377 loc) · 37.9 KB
/
tile.cpp
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/**
* The Forgotten Server - a free and open-source MMORPG server emulator
* Copyright (C) 2016 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 <boost/range/adaptor/reversed.hpp>
#include "tile.h"
#include "creature.h"
#include "combat.h"
#include "game.h"
#include "mailbox.h"
#include "monster.h"
#include "movement.h"
#include "teleport.h"
#include "trashholder.h"
extern Game g_game;
extern MoveEvents* g_moveEvents;
StaticTile real_nullptr_tile(0xFFFF, 0xFFFF, 0xFF);
Tile& Tile::nullptr_tile = real_nullptr_tile;
bool Tile::hasProperty(ITEMPROPERTY prop) const
{
if (ground && ground->hasProperty(prop)) {
return true;
}
if (const TileItemVector* items = getItemList()) {
for (const Item* item : *items) {
if (item->hasProperty(prop)) {
return true;
}
}
}
return false;
}
bool Tile::hasProperty(const Item* exclude, ITEMPROPERTY prop) const
{
assert(exclude);
if (ground && exclude != ground && ground->hasProperty(prop)) {
return true;
}
if (const TileItemVector* items = getItemList()) {
for (const Item* item : *items) {
if (item != exclude && item->hasProperty(prop)) {
return true;
}
}
}
return false;
}
bool Tile::hasHeight(uint32_t n) const
{
uint32_t height = 0;
if (ground) {
if (ground->hasProperty(CONST_PROP_HASHEIGHT)) {
++height;
}
if (n == height) {
return true;
}
}
if (const TileItemVector* items = getItemList()) {
for (const Item* item : *items) {
if (item->hasProperty(CONST_PROP_HASHEIGHT)) {
++height;
}
if (n == height) {
return true;
}
}
}
return false;
}
int32_t Tile::getHeight() const
{
uint32_t height = 0;
if (const TileItemVector* items = getItemList()) {
for (const Item* item : *items) {
if (item->hasProperty(CONST_PROP_HASHEIGHT)) {
++height;
}
}
}
return height;
}
size_t Tile::getCreatureCount() const
{
if (const CreatureVector* creatures = getCreatures()) {
return creatures->size();
}
return 0;
}
size_t Tile::getItemCount() const
{
if (const TileItemVector* items = getItemList()) {
return items->size();
}
return 0;
}
uint32_t Tile::getTopItemCount() const
{
if (const TileItemVector* items = getItemList()) {
return items->getTopItemCount();
}
return 0;
}
uint32_t Tile::getDownItemCount() const
{
if (const TileItemVector* items = getItemList()) {
return items->getDownItemCount();
}
return 0;
}
std::string Tile::getDescription(int32_t) const
{
return "You dont know why, but you cant see anything!";
}
Teleport* Tile::getTeleportItem() const
{
if (!hasFlag(TILESTATE_TELEPORT)) {
return nullptr;
}
if (const TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = items->rbegin(), end = items->rend(); it != end; ++it) {
if ((*it)->getTeleport()) {
return (*it)->getTeleport();
}
}
}
return nullptr;
}
MagicField* Tile::getFieldItem() const
{
if (!hasFlag(TILESTATE_MAGICFIELD)) {
return nullptr;
}
if (ground && ground->getMagicField()) {
return ground->getMagicField();
}
if (const TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = items->rbegin(), end = items->rend(); it != end; ++it) {
if ((*it)->getMagicField()) {
return (*it)->getMagicField();
}
}
}
return nullptr;
}
TrashHolder* Tile::getTrashHolder() const
{
if (!hasFlag(TILESTATE_TRASHHOLDER)) {
return nullptr;
}
if (ground && ground->getTrashHolder()) {
return ground->getTrashHolder();
}
if (const TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = items->rbegin(), end = items->rend(); it != end; ++it) {
if ((*it)->getTrashHolder()) {
return (*it)->getTrashHolder();
}
}
}
return nullptr;
}
Mailbox* Tile::getMailbox() const
{
if (!hasFlag(TILESTATE_MAILBOX)) {
return nullptr;
}
if (ground && ground->getMailbox()) {
return ground->getMailbox();
}
if (const TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = items->rbegin(), end = items->rend(); it != end; ++it) {
if ((*it)->getMailbox()) {
return (*it)->getMailbox();
}
}
}
return nullptr;
}
BedItem* Tile::getBedItem() const
{
if (!hasFlag(TILESTATE_BED)) {
return nullptr;
}
if (ground && ground->getBed()) {
return ground->getBed();
}
if (const TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = items->rbegin(), end = items->rend(); it != end; ++it) {
if ((*it)->getBed()) {
return (*it)->getBed();
}
}
}
return nullptr;
}
Creature* Tile::getTopCreature() const
{
if (const CreatureVector* creatures = getCreatures()) {
if (!creatures->empty()) {
return *creatures->begin();
}
}
return nullptr;
}
const Creature* Tile::getBottomCreature() const
{
if (const CreatureVector* creatures = getCreatures()) {
if (!creatures->empty()) {
return *creatures->rbegin();
}
}
return nullptr;
}
Creature* Tile::getTopVisibleCreature(const Creature* creature) const
{
if (const CreatureVector* creatures = getCreatures()) {
if (creature) {
const Player* player = creature->getPlayer();
if (player && player->isAccessPlayer()) {
return getTopCreature();
}
for (Creature* tileCreature : *creatures) {
if (creature->canSeeCreature(tileCreature)) {
return tileCreature;
}
}
} else {
for (Creature* tileCreature : *creatures) {
if (!tileCreature->isInvisible()) {
const Player* player = tileCreature->getPlayer();
if (!player || !player->isInGhostMode()) {
return tileCreature;
}
}
}
}
}
return nullptr;
}
const Creature* Tile::getBottomVisibleCreature(const Creature* creature) const
{
if (const CreatureVector* creatures = getCreatures()) {
if (creature) {
const Player* player = creature->getPlayer();
if (player && player->isAccessPlayer()) {
return getBottomCreature();
}
for (CreatureVector::const_reverse_iterator it = creatures->rbegin(), end = creatures->rend(); it != end; ++it) {
if (creature->canSeeCreature(*it)) {
return *it;
}
}
} else {
for (CreatureVector::const_reverse_iterator it = creatures->rbegin(), end = creatures->rend(); it != end; ++it) {
if (!(*it)->isInvisible()) {
const Player* player = (*it)->getPlayer();
if (!player || !player->isInGhostMode()) {
return *it;
}
}
}
}
}
return nullptr;
}
Item* Tile::getTopDownItem() const
{
if (const TileItemVector* items = getItemList()) {
return items->getTopDownItem();
}
return nullptr;
}
Item* Tile::getTopTopItem() const
{
if (const TileItemVector* items = getItemList()) {
return items->getTopTopItem();
}
return nullptr;
}
Item* Tile::getItemByTopOrder(int32_t topOrder)
{
//topOrder:
//1: borders
//2: ladders, signs, splashes
//3: doors etc
//4: creatures
if (TileItemVector* items = getItemList()) {
for (ItemVector::const_reverse_iterator it = ItemVector::const_reverse_iterator(items->getEndTopItem()), end = ItemVector::const_reverse_iterator(items->getBeginTopItem()); it != end; ++it) {
if (Item::items[(*it)->getID()].alwaysOnTopOrder == topOrder) {
return (*it);
}
}
}
return nullptr;
}
Thing* Tile::getTopVisibleThing(const Creature* creature)
{
Thing* thing = getTopVisibleCreature(creature);
if (thing) {
return thing;
}
TileItemVector* items = getItemList();
if (items) {
for (ItemVector::const_iterator it = items->getBeginDownItem(), end = items->getEndDownItem(); it != end; ++it) {
const ItemType& iit = Item::items[(*it)->getID()];
if (!iit.lookThrough) {
return (*it);
}
}
for (ItemVector::const_reverse_iterator it = ItemVector::const_reverse_iterator(items->getEndTopItem()), end = ItemVector::const_reverse_iterator(items->getBeginTopItem()); it != end; ++it) {
const ItemType& iit = Item::items[(*it)->getID()];
if (!iit.lookThrough) {
return (*it);
}
}
}
return ground;
}
void Tile::onAddTileItem(Item* item)
{
setTileFlags(item);
const Position& cylinderMapPos = getPosition();
SpectatorVec list;
g_game.map.getSpectators(list, cylinderMapPos, true);
//send to client
for (Creature* spectator : list) {
if (Player* tmpPlayer = spectator->getPlayer()) {
tmpPlayer->sendAddTileItem(this, cylinderMapPos, item);
}
}
//event methods
for (Creature* spectator : list) {
spectator->onAddTileItem(this, cylinderMapPos);
}
}
void Tile::onUpdateTileItem(Item* oldItem, const ItemType& oldType, Item* newItem, const ItemType& newType)
{
const Position& cylinderMapPos = getPosition();
SpectatorVec list;
g_game.map.getSpectators(list, cylinderMapPos, true);
//send to client
for (Creature* spectator : list) {
if (Player* tmpPlayer = spectator->getPlayer()) {
tmpPlayer->sendUpdateTileItem(this, cylinderMapPos, newItem);
}
}
//event methods
for (Creature* spectator : list) {
spectator->onUpdateTileItem(this, cylinderMapPos, oldItem, oldType, newItem, newType);
}
}
void Tile::onRemoveTileItem(const SpectatorVec& list, const std::vector<int32_t>& oldStackPosVector, Item* item)
{
resetTileFlags(item);
const Position& cylinderMapPos = getPosition();
const ItemType& iType = Item::items[item->getID()];
//send to client
size_t i = 0;
for (Creature* spectator : list) {
if (Player* tmpPlayer = spectator->getPlayer()) {
tmpPlayer->sendRemoveTileThing(cylinderMapPos, oldStackPosVector[i++]);
}
}
//event methods
for (Creature* spectator : list) {
spectator->onRemoveTileItem(this, cylinderMapPos, iType, item);
}
}
void Tile::onUpdateTile(const SpectatorVec& list)
{
const Position& cylinderMapPos = getPosition();
//send to clients
for (Creature* spectator : list) {
spectator->getPlayer()->sendUpdateTile(this, cylinderMapPos);
}
}
ReturnValue Tile::queryAdd(int32_t, const Thing& thing, uint32_t, uint32_t flags, Creature*) const
{
if (const Creature* creature = thing.getCreature()) {
if (hasBitSet(FLAG_NOLIMIT, flags)) {
return RETURNVALUE_NOERROR;
}
if (hasBitSet(FLAG_PATHFINDING, flags) && hasFlag(TILESTATE_FLOORCHANGE | TILESTATE_TELEPORT)) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (ground == nullptr) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (const Monster* monster = creature->getMonster()) {
if (hasFlag(TILESTATE_PROTECTIONZONE | TILESTATE_FLOORCHANGE | TILESTATE_TELEPORT)) {
return RETURNVALUE_NOTPOSSIBLE;
}
const CreatureVector* creatures = getCreatures();
if (monster->canPushCreatures() && !monster->isSummon()) {
if (creatures) {
for (Creature* tileCreature : *creatures) {
if (tileCreature->getPlayer() && tileCreature->getPlayer()->isInGhostMode()) {
continue;
}
const Monster* creatureMonster = tileCreature->getMonster();
if (!creatureMonster || !tileCreature->isPushable() ||
(creatureMonster->isSummon() && creatureMonster->getMaster()->getPlayer())) {
return RETURNVALUE_NOTPOSSIBLE;
}
}
}
} else if (creatures && !creatures->empty()) {
for (const Creature* tileCreature : *creatures) {
if (!tileCreature->isInGhostMode()) {
return RETURNVALUE_NOTENOUGHROOM;
}
}
}
if (hasFlag(TILESTATE_IMMOVABLEBLOCKSOLID)) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (hasBitSet(FLAG_PATHFINDING, flags) && hasFlag(TILESTATE_IMMOVABLENOFIELDBLOCKPATH)) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (hasFlag(TILESTATE_BLOCKSOLID) || (hasBitSet(FLAG_PATHFINDING, flags) && hasFlag(TILESTATE_NOFIELDBLOCKPATH))) {
if (!(monster->canPushItems() || hasBitSet(FLAG_IGNOREBLOCKITEM, flags))) {
return RETURNVALUE_NOTPOSSIBLE;
}
}
MagicField* field = getFieldItem();
if (field && !field->isBlocking()) {
CombatType_t combatType = field->getCombatType();
//There is 3 options for a monster to enter a magic field
//1) Monster is immune
if (!monster->isImmune(combatType)) {
//1) Monster is "strong" enough to handle the damage
//2) Monster is already afflicated by this type of condition
if (hasBitSet(FLAG_IGNOREFIELDDAMAGE, flags)) {
if (!(monster->canPushItems() || monster->hasCondition(Combat::DamageToConditionType(combatType)))) {
return RETURNVALUE_NOTPOSSIBLE;
}
} else {
return RETURNVALUE_NOTPOSSIBLE;
}
}
}
return RETURNVALUE_NOERROR;
}
const CreatureVector* tileCreatures = getCreatures();
if (const Player* player = creature->getPlayer()) {
if (tileCreatures && !tileCreatures->empty()
&& !hasBitSet(FLAG_IGNOREBLOCKCREATURE, flags)
&& !player->isAccessPlayer()) {
for (const Creature* tileCreature : *tileCreatures) {
if (!tileCreature->isInGhostMode())
return RETURNVALUE_NOTPOSSIBLE;
}
}
if (player->getParent() == nullptr && hasFlag(TILESTATE_NOLOGOUT)) {
//player is trying to login to a "no logout" tile
return RETURNVALUE_NOTPOSSIBLE;
}
const Tile* playerTile = player->getTile();
if (playerTile && player->isPzLocked()) {
if (!playerTile->hasFlag(TILESTATE_PVPZONE)) {
//player is trying to enter a pvp zone while being pz-locked
if (hasFlag(TILESTATE_PVPZONE)) {
return RETURNVALUE_PLAYERISPZLOCKEDENTERPVPZONE;
}
} else if (!hasFlag(TILESTATE_PVPZONE)) {
// player is trying to leave a pvp zone while being pz-locked
return RETURNVALUE_PLAYERISPZLOCKEDLEAVEPVPZONE;
}
if ((!playerTile->hasFlag(TILESTATE_NOPVPZONE) && hasFlag(TILESTATE_NOPVPZONE)) ||
(!playerTile->hasFlag(TILESTATE_PROTECTIONZONE) && hasFlag(TILESTATE_PROTECTIONZONE))) {
// player is trying to enter a non-pvp/protection zone while being pz-locked
return RETURNVALUE_PLAYERISPZLOCKED;
}
}
} else if (tileCreatures && !tileCreatures->empty() && !hasBitSet(FLAG_IGNOREBLOCKCREATURE, flags)) {
for (const Creature* tileCreature : *tileCreatures) {
if (!tileCreature->isInGhostMode()) {
return RETURNVALUE_NOTENOUGHROOM;
}
}
}
if (!hasBitSet(FLAG_IGNOREBLOCKITEM, flags)) {
//If the FLAG_IGNOREBLOCKITEM bit isn't set we dont have to iterate every single item
if (hasFlag(TILESTATE_BLOCKSOLID)) {
return RETURNVALUE_NOTENOUGHROOM;
}
} else {
//FLAG_IGNOREBLOCKITEM is set
if (ground) {
const ItemType& iiType = Item::items[ground->getID()];
if (iiType.blockSolid && (!iiType.moveable || ground->hasAttribute(ITEM_ATTRIBUTE_UNIQUEID))) {
return RETURNVALUE_NOTPOSSIBLE;
}
}
if (const auto items = getItemList()) {
for (const Item* item : *items) {
const ItemType& iiType = Item::items[item->getID()];
if (iiType.blockSolid && (!iiType.moveable || item->hasAttribute(ITEM_ATTRIBUTE_UNIQUEID))) {
return RETURNVALUE_NOTPOSSIBLE;
}
}
}
}
} else if (const Item* item = thing.getItem()) {
const TileItemVector* items = getItemList();
if (items && items->size() >= 0xFFFF) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (hasBitSet(FLAG_NOLIMIT, flags)) {
return RETURNVALUE_NOERROR;
}
bool itemIsHangable = item->isHangable();
if (ground == nullptr && !itemIsHangable) {
return RETURNVALUE_NOTPOSSIBLE;
}
const CreatureVector* creatures = getCreatures();
if (creatures && !creatures->empty() && item->isBlocking() && !hasBitSet(FLAG_IGNOREBLOCKCREATURE, flags)) {
for (const Creature* tileCreature : *creatures) {
if (!tileCreature->isInGhostMode()) {
return RETURNVALUE_NOTENOUGHROOM;
}
}
}
if (itemIsHangable && hasFlag(TILESTATE_SUPPORTS_HANGABLE)) {
if (items) {
for (const Item* tileItem : *items) {
if (tileItem->isHangable()) {
return RETURNVALUE_NEEDEXCHANGE;
}
}
}
} else {
if (ground) {
const ItemType& iiType = Item::items[ground->getID()];
if (iiType.blockSolid) {
if (!iiType.allowPickupable || item->isMagicField() || item->isBlocking()) {
if (!item->isPickupable()) {
return RETURNVALUE_NOTENOUGHROOM;
}
if (!iiType.hasHeight || iiType.pickupable || iiType.isBed()) {
return RETURNVALUE_NOTENOUGHROOM;
}
}
}
}
if (items) {
for (const Item* tileItem : *items) {
const ItemType& iiType = Item::items[tileItem->getID()];
if (!iiType.blockSolid) {
continue;
}
if (iiType.allowPickupable && !item->isMagicField() && !item->isBlocking()) {
continue;
}
if (!item->isPickupable()) {
return RETURNVALUE_NOTENOUGHROOM;
}
if (!iiType.hasHeight || iiType.pickupable || iiType.isBed()) {
return RETURNVALUE_NOTENOUGHROOM;
}
}
}
}
}
return RETURNVALUE_NOERROR;
}
ReturnValue Tile::queryMaxCount(int32_t, const Thing&, uint32_t count, uint32_t& maxQueryCount, uint32_t) const
{
maxQueryCount = std::max<uint32_t>(1, count);
return RETURNVALUE_NOERROR;
}
ReturnValue Tile::queryRemove(const Thing& thing, uint32_t count, uint32_t flags) const
{
int32_t index = getThingIndex(&thing);
if (index == -1) {
return RETURNVALUE_NOTPOSSIBLE;
}
const Item* item = thing.getItem();
if (item == nullptr) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (count == 0 || (item->isStackable() && count > item->getItemCount())) {
return RETURNVALUE_NOTPOSSIBLE;
}
if (!item->isMoveable() && !hasBitSet(FLAG_IGNORENOTMOVEABLE, flags)) {
return RETURNVALUE_NOTMOVEABLE;
}
return RETURNVALUE_NOERROR;
}
Tile* Tile::queryDestination(int32_t&, const Thing&, Item** destItem, uint32_t& flags)
{
Tile* destTile = nullptr;
*destItem = nullptr;
if (hasFlag(TILESTATE_FLOORCHANGE_DOWN)) {
uint16_t dx = tilePos.x;
uint16_t dy = tilePos.y;
uint8_t dz = tilePos.z + 1;
Tile* southDownTile = g_game.map.getTile(dx, dy - 1, dz);
if (southDownTile && southDownTile->hasFlag(TILESTATE_FLOORCHANGE_SOUTH_ALT)) {
dy -= 2;
destTile = g_game.map.getTile(dx, dy, dz);
} else {
Tile* eastDownTile = g_game.map.getTile(dx - 1, dy, dz);
if (eastDownTile && eastDownTile->hasFlag(TILESTATE_FLOORCHANGE_EAST_ALT)) {
dx -= 2;
destTile = g_game.map.getTile(dx, dy, dz);
} else {
Tile* downTile = g_game.map.getTile(dx, dy, dz);
if (downTile) {
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_NORTH)) {
++dy;
}
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_SOUTH)) {
--dy;
}
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_SOUTH_ALT)) {
dy -= 2;
}
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_EAST)) {
--dx;
}
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_EAST_ALT)) {
dx -= 2;
}
if (downTile->hasFlag(TILESTATE_FLOORCHANGE_WEST)) {
++dx;
}
destTile = g_game.map.getTile(dx, dy, dz);
}
}
}
} else if (hasFlag(TILESTATE_FLOORCHANGE)) {
uint16_t dx = tilePos.x;
uint16_t dy = tilePos.y;
uint8_t dz = tilePos.z - 1;
if (hasFlag(TILESTATE_FLOORCHANGE_NORTH)) {
--dy;
}
if (hasFlag(TILESTATE_FLOORCHANGE_SOUTH)) {
++dy;
}
if (hasFlag(TILESTATE_FLOORCHANGE_EAST)) {
++dx;
}
if (hasFlag(TILESTATE_FLOORCHANGE_WEST)) {
--dx;
}
if (hasFlag(TILESTATE_FLOORCHANGE_SOUTH_ALT)) {
dy += 2;
}
if (hasFlag(TILESTATE_FLOORCHANGE_EAST_ALT)) {
dx += 2;
}
destTile = g_game.map.getTile(dx, dy, dz);
}
if (destTile == nullptr) {
destTile = this;
} else {
flags |= FLAG_NOLIMIT; //Will ignore that there is blocking items/creatures
}
if (destTile) {
Thing* destThing = destTile->getTopDownItem();
if (destThing) {
*destItem = destThing->getItem();
}
}
return destTile;
}
void Tile::addThing(Thing* thing)
{
addThing(0, thing);
}
void Tile::addThing(int32_t, Thing* thing)
{
Creature* creature = thing->getCreature();
if (creature) {
g_game.map.clearSpectatorCache();
creature->setParent(this);
CreatureVector* creatures = makeCreatures();
creatures->insert(creatures->end(), creature);
} else {
Item* item = thing->getItem();
if (item == nullptr) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
TileItemVector* items = getItemList();
if (items && items->size() >= 0xFFFF) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
item->setParent(this);
const ItemType& itemType = Item::items[item->getID()];
if (itemType.isGroundTile()) {
if (ground == nullptr) {
ground = item;
onAddTileItem(item);
} else {
const ItemType& oldType = Item::items[ground->getID()];
Item* oldGround = ground;
ground->setParent(nullptr);
g_game.ReleaseItem(ground);
ground = item;
resetTileFlags(oldGround);
setTileFlags(item);
onUpdateTileItem(oldGround, oldType, item, itemType);
postRemoveNotification(oldGround, nullptr, 0);
}
} else if (itemType.alwaysOnTop) {
if (itemType.isSplash() && items) {
//remove old splash if exists
const auto begin = items->getCBeginTopItem();
const auto end = items->getCEndTopItem();
for (auto it = begin; it != end; ++it) {
Item* oldSplash = *it;
if (!Item::items[oldSplash->getID()].isSplash()) {
continue;
}
removeThing(oldSplash, 1);
oldSplash->setParent(nullptr);
g_game.ReleaseItem(oldSplash);
postRemoveNotification(oldSplash, nullptr, 0);
break;
}
}
bool isInserted = false;
if (items) {
const auto begin = items->getCBeginTopItem();
const auto end = items->getCEndTopItem();
for (auto it = begin; it != end; ++it) {
//Note: this is different from internalAddThing
if (itemType.alwaysOnTopOrder <= Item::items[(*it)->getID()].alwaysOnTopOrder) {
items->insert(it, item);
isInserted = true;
break;
}
}
} else {
items = makeItemList();
}
if (!isInserted) {
items->push_back(item);
}
onAddTileItem(item);
} else {
if (itemType.isMagicField()) {
//remove old field item if exists
if (items) {
auto end = items->getCEndDownItem();
for (auto it = items->getCBeginDownItem(); it != end; ++it) {
MagicField* oldField = (*it)->getMagicField();
if (oldField) {
if (oldField->isReplaceable()) {
removeThing(oldField, 1);
oldField->setParent(nullptr);
g_game.ReleaseItem(oldField);
postRemoveNotification(oldField, nullptr, 0);
// revalidate iterators after removal
it = items->getCBeginDownItem() - 1;
end = items->getCEndDownItem();
} else {
//This magic field cannot be replaced.
item->setParent(nullptr);
g_game.ReleaseItem(item);
return;
}
}
}
}
}
items = makeItemList();
items->insert(items->getBeginDownItem(), item);
items->addDownItemCount(1);
onAddTileItem(item);
}
}
}
void Tile::updateThing(Thing* thing, uint16_t itemId, uint32_t count)
{
int32_t index = getThingIndex(thing);
if (index == -1) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
Item* item = thing->getItem();
if (item == nullptr) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
const ItemType& oldType = Item::items[item->getID()];
const ItemType& newType = Item::items[itemId];
resetTileFlags(item);
item->setID(itemId);
item->setSubType(count);
setTileFlags(item);
onUpdateTileItem(item, oldType, item, newType);
}
void Tile::replaceThing(uint32_t index, Thing* thing)
{
int32_t pos = index;
Item* item = thing->getItem();
if (item == nullptr) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
Item* oldItem = nullptr;
bool isInserted = false;
if (ground) {
if (pos == 0) {
oldItem = ground;
ground = item;
isInserted = true;
}
--pos;
}
TileItemVector* items = getItemList();
if (items && !isInserted) {
int32_t topItemSize = getTopItemCount();
if (pos < topItemSize) {
ItemVector::iterator it = items->getBeginTopItem();
it += pos;
oldItem = (*it);
it = items->erase(it);
items->insert(it, item);
isInserted = true;
}
pos -= topItemSize;
}
CreatureVector* creatures = getCreatures();
if (creatures) {
if (!isInserted && pos < static_cast<int32_t>(creatures->size())) {
return /*RETURNVALUE_NOTPOSSIBLE*/;
}
pos -= static_cast<uint32_t>(creatures->size());
}
if (items && !isInserted) {
int32_t downItemSize = getDownItemCount();
if (pos < downItemSize) {
ItemVector::iterator it = items->getBeginDownItem() + pos;
oldItem = *it;
it = items->erase(it);
items->insert(it, item);
isInserted = true;
}
}