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;
}
Thing* Tile::getTopVisibleThing(const Creature* creature, bool checkVisibility/*=true*/)
{
if(const CreatureVector* creatures = getCreatures()){
for(CreatureVector::const_iterator cit = creatures->begin(); cit != creatures->end(); ++cit){
if((*cit)->canBeSeen(creature, checkVisibility)){
return (*cit);
}
}
}
TileItemVector* items = getItemList();
if(items){
for(ItemVector::iterator it = items->getBeginDownItem(); it != items->getEndDownItem(); ++it){
const ItemType& iit = Item::items[(*it)->getID()];
if(!iit.lookThrough){
return (*it);
}
}
ItemVector::reverse_iterator itEnd = ItemVector::reverse_iterator(items->getBeginTopItem());
for(ItemVector::reverse_iterator it = ItemVector::reverse_iterator(items->getEndTopItem()); it != itEnd; ++it){
const ItemType& iit = Item::items[(*it)->getID()];
if(!iit.lookThrough){
return (*it);
}
}
}
if(ground)
return ground;
return NULL;
}
void Tile::removeThing(Thing* thing, uint32_t count)
{
Creature* creature = thing->getCreature();
if (creature) {
CreatureVector* creatures = getCreatures();
if (creatures) {
CreatureVector::iterator it = std::find(creatures->begin(), creatures->end(), thing);
if (it != creatures->end()) {
g_game.map.clearSpectatorCache();
creatures->erase(it);
}
}
return;
}
Item* item = thing->getItem();
if (!item) {
return;
}
int32_t index = getThingIndex(item);
if (index == -1) {
return;
}
if (item == ground) {
ground->setParent(nullptr);
ground = nullptr;
SpectatorVec list;
g_game.map.getSpectators(list, getPosition(), true);
onRemoveTileItem(list, std::vector<int32_t>(list.size(), 0), item);
return;
}
TileItemVector* items = getItemList();
if (!items) {
return;
}
const ItemType& itemType = Item::items[item->getID()];
if (itemType.alwaysOnTop) {
auto it = std::find(items->getBeginTopItem(), items->getEndTopItem(), item);
if (it == items->getEndTopItem()) {
return;
}
std::vector<int32_t> oldStackPosVector;
SpectatorVec list;
g_game.map.getSpectators(list, getPosition(), true);
for (Creature* spectator : list) {
if (Player* tmpPlayer = spectator->getPlayer()) {
oldStackPosVector.push_back(getStackposOfItem(tmpPlayer, item));
}
}
item->setParent(nullptr);
items->erase(it);
onRemoveTileItem(list, oldStackPosVector, item);
} else {
auto it = std::find(items->getBeginDownItem(), items->getEndDownItem(), item);
if (it == items->getEndDownItem()) {
return;
}
if (itemType.stackable && count != item->getItemCount()) {
uint8_t newCount = static_cast<uint8_t>(std::max<int32_t>(0, static_cast<int32_t>(item->getItemCount() - count)));
item->setItemCount(newCount);
onUpdateTileItem(item, itemType, item, itemType);
} else {
std::vector<int32_t> oldStackPosVector;
SpectatorVec list;
g_game.map.getSpectators(list, getPosition(), true);
for (Creature* spectator : list) {
if (Player* tmpPlayer = spectator->getPlayer()) {
oldStackPosVector.push_back(getStackposOfItem(tmpPlayer, item));
}
}
item->setParent(nullptr);
items->erase(it);
items->addDownItemCount(-1);
onRemoveTileItem(list, oldStackPosVector, item);
}
}
}
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->begin(), 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
for (ItemVector::const_iterator it = items->getBeginTopItem(), end = items->getEndTopItem(); 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) {
for (ItemVector::iterator it = items->getBeginTopItem(), end = items->getEndTopItem(); 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) {
for (ItemVector::const_iterator it = items->getBeginDownItem(), end = items->getEndDownItem(); 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);
break;
} 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::__addThing(int32_t index, Thing* thing)
{
Creature* creature = thing->getCreature();
if (creature)
{
g_game.clearSpectatorCache();
creature->setParent(this);
CreatureVector* creatures = makeCreatures();
creatures->insert(creatures->begin(), creature);
++thingCount;
}
else
{
Item* item = thing->getItem();
if (!item)
{
#ifdef __DEBUG__MOVESYS__
std::cout << "Failure: [Tile::__addThing] item == NULL" << std::endl;
DEBUG_REPORT
#endif
return /*RET_NOTPOSSIBLE*/;
}
TileItemVector* items = getItemList();
if (items && items->size() > 0xFFFF)
{
return /*RET_NOTPOSSIBLE*/;
}
item->setParent(this);
if (item->isGroundTile())
{
if (!ground)
{
ground = item;
++thingCount;
onAddTileItem(item);
}
else
{
const ItemType& oldType = Item::items[ground->getID()];
const ItemType& newType = Item::items[item->getID()];
int32_t oldGroundIndex = __getIndexOfThing(ground);
Item* oldGround = ground;
ground->setParent(NULL);
g_game.FreeThing(ground);
ground = item;
updateTileFlags(oldGround, true);
updateTileFlags(item, false);
onUpdateTileItem(oldGround, oldType, item, newType);
postRemoveNotification(oldGround, NULL, oldGroundIndex, true);
}
}
else if (item->isAlwaysOnTop())
{
if (item->isSplash())
{
//remove old splash if exists
if (items)
{
for (ItemVector::iterator it = items->getBeginTopItem(); it != items->getEndTopItem(); ++it)
{
if ((*it)->isSplash())
{
int32_t oldSplashIndex = __getIndexOfThing(*it);
Item* oldSplash = *it;
__removeThing(oldSplash, 1);
oldSplash->setParent(NULL);
g_game.FreeThing(oldSplash);
postRemoveNotification(oldSplash, NULL, oldSplashIndex, true);
break;
}
}
}
}
bool isInserted = false;
if (items)
{
for (ItemVector::iterator it = items->getBeginTopItem(); it != items->getEndTopItem(); ++it)
{
//Note: this is different from internalAddThing
if (Item::items[item->getID()].alwaysOnTopOrder <= Item::items[(*it)->getID()].alwaysOnTopOrder)
{
items->insert(it, item);
++thingCount;
isInserted = true;
break;
}
}
}
else
{
items = makeItemList();
}
if (!isInserted)
{
items->push_back(item);
++thingCount;
}
onAddTileItem(item);
}
else
{
if (item->isMagicField())
{
//remove old field item if exists
if (items)
{
MagicField* oldField = NULL;
for (ItemVector::iterator it = items->getBeginDownItem(); it != items->getEndDownItem(); ++it)
{
if ((oldField = (*it)->getMagicField()))
{
if (oldField->isReplaceable())
{
int32_t oldFieldIndex = __getIndexOfThing(*it);
__removeThing(oldField, 1);
oldField->setParent(NULL);
g_game.FreeThing(oldField);
postRemoveNotification(oldField, NULL, oldFieldIndex, true);
break;
}
else
{
//This magic field cannot be replaced.
item->setParent(NULL);
g_game.FreeThing(item);
return;
}
}
}
}
}
items = makeItemList();
items->insert(items->getBeginDownItem(), item);
++items->downItemCount;
++thingCount;
onAddTileItem(item);
}
}
void Tile::__removeThing(Thing* thing, uint32_t count)
{
Creature* creature = thing->getCreature();
if (creature) {
CreatureVector* creatures = getCreatures();
if (creatures) {
CreatureVector::iterator it = std::find(creatures->begin(), creatures->end(), thing);
if (it != creatures->end()) {
g_game.clearSpectatorCache();
creatures->erase(it);
}
}
return;
}
Item* item = thing->getItem();
if (item) {
int32_t index = __getIndexOfThing(item);
if (index == -1) {
return;
}
if (item == ground) {
const SpectatorVec& list = g_game.getSpectators(getPosition());
std::vector<uint32_t> oldStackPosVector;
for (SpectatorVec::const_iterator it = list.begin(), end = list.end(); it != end; ++it) {
if (Player* tmpPlayer = (*it)->getPlayer()) {
oldStackPosVector.push_back(getClientIndexOfThing(tmpPlayer, ground));
}
}
ground->setParent(NULL);
ground = NULL;
onRemoveTileItem(list, oldStackPosVector, item);
return;
}
if (item->isAlwaysOnTop()) {
TileItemVector* items = getItemList();
if (items) {
for (ItemVector::iterator it = items->getBeginTopItem(); it != items->getEndTopItem(); ++it) {
if (*it == item) {
const SpectatorVec& list = g_game.getSpectators(getPosition());
std::vector<uint32_t> oldStackPosVector;
for (SpectatorVec::const_iterator iit = list.begin(), iend = list.end(); iit != iend; ++iit) {
if (Player* tmpPlayer = (*iit)->getPlayer()) {
oldStackPosVector.push_back(getClientIndexOfThing(tmpPlayer, *it));
}
}
(*it)->setParent(NULL);
items->erase(it);
onRemoveTileItem(list, oldStackPosVector, item);
return;
}
}
}
} else {
TileItemVector* items = getItemList();
if (items) {
for (ItemVector::iterator it = items->getBeginDownItem(); it != items->getEndDownItem(); ++it) {
if (*it == item) {
if (item->isStackable() && count != item->getItemCount()) {
uint8_t newCount = (uint8_t)std::max<int32_t>(0, (int32_t)(item->getItemCount() - count));
updateTileFlags(item, true);
item->setItemCount(newCount);
updateTileFlags(item, false);
const ItemType& it = Item::items[item->getID()];
onUpdateTileItem(item, it, item, it);
} else {
const SpectatorVec& list = g_game.getSpectators(getPosition());
std::vector<uint32_t> oldStackPosVector;
for (SpectatorVec::const_iterator iit = list.begin(), iend = list.end(); iit != iend; ++iit) {
if (Player* tmpPlayer = (*iit)->getPlayer()) {
oldStackPosVector.push_back(getClientIndexOfThing(tmpPlayer, *it));
}
}
(*it)->setParent(NULL);
items->erase(it);
--items->downItemCount;
onRemoveTileItem(list, oldStackPosVector, item);
}
return;
}
}
}
}
}
}
void Tile::__addThing(Creature* actor, int32_t, Thing* thing)
{
if(Creature* creature = thing->getCreature())
{
g_game.clearSpectatorCache();
creature->setParent(this);
CreatureVector* creatures = makeCreatures();
creatures->insert(creatures->begin(), creature);
++thingCount;
return;
}
Item* item = thing->getItem();
if(!item)
{
#ifdef __DEBUG_MOVESYS__
std::clog << "[Failure - Tile::__addThing] item == NULL" << std::endl;
#endif
return/* RET_NOTPOSSIBLE*/;
}
TileItemVector* items = getItemList();
if(items && items->size() >= 0xFFFF)
return/* RET_NOTPOSSIBLE*/;
if(g_config.getBool(ConfigManager::STORE_TRASH) && !hasFlag(TILESTATE_TRASHED))
{
g_game.addTrash(pos);
setFlag(TILESTATE_TRASHED);
}
item->setParent(this);
if(item->isGroundTile())
{
if(ground)
{
int32_t oldGroundIndex = __getIndexOfThing(ground);
Item* oldGround = ground;
updateTileFlags(oldGround, true);
updateTileFlags(item, false);
ground = item;
#ifdef __GROUND_CACHE__
std::map<Item*, int32_t>::iterator it = g_game.grounds.find(oldGround);
bool erase = it == g_game.grounds.end();
if(!erase)
{
it->second--;
erase = it->second < 1;
if(erase)
g_game.grounds.erase(it);
}
if(erase)
{
#endif
oldGround->setParent(NULL);
g_game.freeThing(oldGround);
#ifdef __GROUND_CACHE__
}
#endif
postRemoveNotification(actor, oldGround, NULL, oldGroundIndex, true);
onUpdateTile();
}
else
{
ground = item;
++thingCount;
onAddTileItem(item);
}
}
else if(item->isAlwaysOnTop())
{
if(item->isSplash())
{
//remove old splash if exists
if(items)
{
for(ItemVector::iterator it = items->getBeginTopItem(); it != items->getEndTopItem(); ++it)
{
if(!(*it)->isSplash())
continue;
int32_t oldSplashIndex = __getIndexOfThing(*it);
Item* oldSplash = *it;
__removeThing(oldSplash, 1);
oldSplash->setParent(NULL);
g_game.freeThing(oldSplash);
postRemoveNotification(actor, oldSplash, NULL, oldSplashIndex, true);
break;
}
}
}
bool isInserted = false;
if(items)
{
for(ItemVector::iterator it = items->getBeginTopItem(); it != items->getEndTopItem(); ++it)
{
//Note: this is different from internalAddThing
if(Item::items[item->getID()].alwaysOnTopOrder > Item::items[(*it)->getID()].alwaysOnTopOrder)
continue;
items->insert(it, item);
++thingCount;
isInserted = true;
break;
}
}
else
items = makeItemList();
if(!isInserted)
{
items->push_back(item);
++thingCount;
}
onAddTileItem(item);
}
else
{
if(item->isMagicField())
{
//remove old field item if exists
if(items)
{
MagicField* oldField = NULL;
for(ItemVector::iterator it = items->getBeginDownItem(); it != items->getEndDownItem(); ++it)
{
if(!(oldField = (*it)->getMagicField()))
continue;
if(oldField->isReplacable())
{
int32_t oldFieldIndex = __getIndexOfThing(*it);
__removeThing(oldField, 1);
oldField->setParent(NULL);
g_game.freeThing(oldField);
postRemoveNotification(actor, oldField, NULL, oldFieldIndex, true);
break;
}
//This magic field cannot be replaced.
item->setParent(NULL);
g_game.freeThing(item);
return;
}
}
}
if(item->getID() == ITEM_WATERBALL_SPLASH && !hasFlag(TILESTATE_TRASHHOLDER))
item->setID(ITEM_WATERBALL);
items = makeItemList();
items->insert(items->getBeginDownItem(), item);
++items->downItemCount;
++thingCount;
onAddTileItem(item);
}
}
void Tile::__removeThing(Thing* thing, uint32_t count)
{
Creature* creature = thing->getCreature();
if(creature)
{
if(CreatureVector* creatures = getCreatures())
{
CreatureVector::iterator it = std::find(creatures->begin(), creatures->end(), thing);
if(it == creatures->end())
{
#ifdef __DEBUG_MOVESYS__
std::clog << "[Failure - Tile::__removeThing] creature not found" << std::endl;
#endif
return/* RET_NOTPOSSIBLE*/;
}
g_game.clearSpectatorCache();
creatures->erase(it);
--thingCount;
}
#ifdef __DEBUG_MOVESYS__
else
std::clog << "[Failure - Tile::__removeThing] creature not found" << std::endl;
#endif
return;
}
Item* item = thing->getItem();
if(!item)
{
#ifdef __DEBUG_MOVESYS__
std::clog << "[Failure - Tile::__removeThing] item == NULL" << std::endl;
#endif
return/* RET_NOTPOSSIBLE*/;
}
int32_t index = __getIndexOfThing(item);
if(index == -1)
{
#ifdef __DEBUG_MOVESYS__
std::clog << "[Failure - Tile::__removeThing] index == -1" << std::endl;
#endif
return/* RET_NOTPOSSIBLE*/;
}
if(item == ground)
{
const SpectatorVec& list = g_game.getSpectators(pos);
std::vector<int32_t> oldStackposVector;
Player* tmpPlayer = NULL;
for(SpectatorVec::const_iterator it = list.begin(); it != list.end(); ++it)
{
if((tmpPlayer = (*it)->getPlayer()))
oldStackposVector.push_back(getClientIndexOfThing(tmpPlayer, ground));
}
#ifdef __GROUND_CACHE__
std::map<Item*, int32_t>::iterator it = g_game.grounds.find(ground);
bool erase = it == g_game.grounds.end();
if(!erase)
{
it->second--;
erase = it->second < 1;
if(erase)
g_game.grounds.erase(it);
}
if(erase)
{
#endif
ground->setParent(NULL);
g_game.freeThing(ground);
#ifdef __GROUND_CACHE__
}
#endif
ground = NULL;
--thingCount;
onRemoveTileItem(list, oldStackposVector, item);
return/* RET_NOERROR*/;
}
TileItemVector* items = getItemList();
if(!items)
return;
if(item->isAlwaysOnTop())
{
ItemVector::iterator it = std::find(items->getBeginTopItem(), items->getEndTopItem(), item);
if(it != items->end())
{
const SpectatorVec& list = g_game.getSpectators(pos);
std::vector<int32_t> oldStackposVector;
Player* tmpPlayer = NULL;
for(SpectatorVec::const_iterator iit = list.begin(); iit != list.end(); ++iit)
{
if((tmpPlayer = (*iit)->getPlayer()))
oldStackposVector.push_back(getClientIndexOfThing(tmpPlayer, item));
}
item->setParent(NULL);
items->erase(it);
--thingCount;
onRemoveTileItem(list, oldStackposVector, item);
return/* RET_NOERROR*/;
}
}
else
{
ItemVector::iterator it = std::find(items->getBeginDownItem(), items->getEndDownItem(), item);
if(it != items->end())
{
if(item->isStackable() && count != item->getItemCount())
{
uint8_t newCount = (uint8_t)std::max((int32_t)0, (int32_t)(item->getItemCount() - count));
updateTileFlags(item, true);
item->setItemCount(newCount);
updateTileFlags(item, false);
const ItemType& it = Item::items[item->getID()];
onUpdateTileItem(item, it, item, it);
}
else
{
const SpectatorVec& list = g_game.getSpectators(pos);
std::vector<int32_t> oldStackposVector;
Player* tmpPlayer = NULL;
for(SpectatorVec::const_iterator iit = list.begin(); iit != list.end(); ++iit)
{
if((tmpPlayer = (*iit)->getPlayer()))
oldStackposVector.push_back(getClientIndexOfThing(tmpPlayer, item));
}
item->setParent(NULL);
items->erase(it);
--items->downItemCount;
--thingCount;
onRemoveTileItem(list, oldStackposVector, item);
}
return/* RET_NOERROR*/;
}
}
#ifdef __DEBUG_MOVESYS__
std::clog << "[Failure - Tile::__removeThing] thing not found" << std::endl;
#endif
}