C++ P_PLAYER::canPickUp方法代码示例

void DragAndDrop::dropOnGround( cUOSocket* socket, P_ITEM pItem, const Coord_cl& pos )
{
	P_PLAYER pChar = socket->player();

	// Check if the destination is in line of sight
	if ( !pChar->lineOfSight( pos.losItemPoint(pItem->id()) ) )
	{
		socket->bounceItem( pItem, BR_OUT_OF_SIGHT );
		return;
	}

	if ( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	if ( pItem->onDropOnGround( pos ) )
	{
		// We're still dragging something
		if ( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}

	pItem->removeFromCont();
	pItem->moveTo( pos );
	pItem->update();

	// Play Sounds for non gold items
	if (pItem->id() != 0xEED) {
		pItem->soundEffect(0x42);
	}
}

void cDragItems::dropOnGround( cUOSocket *socket, P_ITEM pItem, const Coord_cl &pos )
{
	P_PLAYER pChar = socket->player();

	// Check if the destination is in line of sight
	if( !lineOfSight( pChar->pos(), pos, WALLS_CHIMNEYS|DOORS|LAVA_WATER ) )
	{
		socket->bounceItem( pItem, BR_OUT_OF_SIGHT );
		return;
	}

	if( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	if( pItem->onDropOnGround( pos ) )
	{
		// We're still dragging something
		if( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}

	pItem->removeFromCont();
	pItem->moveTo( pos );
	pItem->update();

	if( pItem->priv() & 0x01 )
		pItem->startDecay();

	// Multi handling
	// Has it been dropped into a multi
	cMulti* pMulti = cMulti::findMulti( pos );
	if( pMulti )
	{
		pMulti->addItem( pItem );
	}
}

// New Class implementation
void cDragItems::grabItem( cUOSocket *socket, cUORxDragItem *packet )
{
	// Get our character
	P_PLAYER pChar = socket->player();
	if( !pChar )
		return;

	UINT32 weight = pChar->weight();

	// Fetch the grab information
	UI16 amount = packet->amount();
	if( !amount )
		amount = 1;

	P_ITEM pItem = FindItemBySerial( packet->serial() );

	// If it's an invalid pointer we can't even bounce
	if( !pItem )
		return;

	// Are we already dragging an item ?
	// Bounce it and reject the move
	// (Logged out while dragging an item)
	if( socket->dragging() )
	{
		socket->bounceItem( socket->dragging(), BR_ALREADY_DRAGGING );
		return;
	}

	if( pItem->onPickup( pChar ) )
		return;

	if( pChar->onPickup( pItem ) )
		return;

	// Do we really want to let him break his meditation
	// When he picks up an item ?
	// Maybe a meditation check here ?!?
	pChar->disturbMed(); // Meditation

	P_CHAR itemOwner = pItem->getOutmostChar();

	// Try to pick something out of another characters posessions
	if( !pChar->isGM() && itemOwner && ( itemOwner != pChar ) && ( itemOwner->objectType() == enNPC && dynamic_cast<P_NPC>(itemOwner)->owner() != pChar ) )
	{
		socket->bounceItem( pItem, BR_BELONGS_TO_SOMEONE_ELSE );
		return;
	}

	// Check if the user can grab the item
	if( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	// The user can't see the item
	// Basically thats impossible as the socket should deny moving the item
	// if it's not in line of sight but to prevent exploits
	/*if( !line_of_sight( socket->socket(), pChar->pos, pItem->pos, TREES_BUSHES|WALLS_CHIMNEYS|DOORS|ROOFING_SLANTED|FLOORS_FLAT_ROOFING|LAVA_WATER ) )
	{
		socket->sysMessage( "You can't see the item." );
		bounceItem( socket, pItem, true );
		return;
	}*/

	P_ITEM outmostCont = pItem->getOutmostItem();

	// If it's a trade-window, reset the ack-status
	if( outmostCont && ( outmostCont->container() == pChar ) && ( outmostCont->layer() == 0 ) && ( outmostCont->id() == 0x1E5E ) )
	{
		// Get the other sides tradewindow
		P_ITEM tradeWindow = FindItemBySerial( calcserial( outmostCont->moreb1(), outmostCont->moreb2(), outmostCont->moreb3(), outmostCont->moreb4() ) );

		// If one of the trade-windows has the ack-status reset it
		if( tradeWindow && ( tradeWindow->morez() || outmostCont->morez() ) )
		{
			tradeWindow->setMoreZ(0);
			outmostCont->setMoreZ(0);
//			sendtradestatus( tradeWindow, outmostCont );
		}
	}

	// If the top-most container ( thats important ) is a corpse 
	// and looting is a crime, flag the character criminal.
	if( !pChar->isGM() && outmostCont && outmostCont->corpse() )
	{
		// For each item we take out we loose carma
		// if the corpse is innocent and not in our guild
		bool sameGuild = ( GuildCompare( pChar, outmostCont->owner() ) != 0 );

		if( ( outmostCont->more2() == 1 ) && !pChar->Owns( outmostCont ) && !sameGuild )
		{
//			pChar->karma -= 5;
			pChar->setKarma( pChar->karma() - 5 );
			pChar->setCriminalTime( uiCurrentTime + SrvParams->crimtime() * MY_CLOCKS_PER_SEC );
			socket->sysMessage( tr("You lost some karma.") );
		}
	}
//.........这里部分代码省略.........

void cDragItems::dropOnItem( cUOSocket *socket, P_ITEM pItem, P_ITEM pCont, const Coord_cl &dropPos )
{
	P_PLAYER pChar = socket->player();
	
	if( pItem->isMulti() )
	{
		socket->sysMessage( tr( "You cannot put houses in containers" ) );
		cUOTxBounceItem bounce;
		bounce.setReason( BR_NO_REASON );
		socket->send( &bounce );
		Items->DeleItem( pItem );
		return;
	}
	
	if( pItem->onDropOnItem( pCont ) )
	{
		if( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}
	else if( pCont->onDropOnItem( pItem ) )
	{
		if( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}

	// If the target belongs to another character 
	// It needs to be our vendor or else it's denied
	P_CHAR packOwner = pCont->getOutmostChar();

	if( ( packOwner ) && ( packOwner != pChar ) && !pChar->isGM() )
	{
		// For each item someone puts into there 
		// He needs to do a snoop-check
		if( pChar->maySnoop() )
		{
			if( !pChar->checkSkill( SNOOPING, 0, 1000 ) )
			{

				socket->sysMessage( tr( "You fail to put that into %1's pack" ).arg( packOwner->name() ) );
				socket->bounceItem( pItem, BR_NO_REASON );
				return;
			}
		}

		if( packOwner->objectType() == enPlayer || 
			( packOwner->objectType() == enNPC && dynamic_cast<P_NPC>(packOwner)->owner() != pChar ) )
		{
			socket->sysMessage( tr("You cannot put that into the belongings of another player") );
			socket->bounceItem( pItem, BR_NO_REASON );
			return;
		}
	}

	// If we put the item into a trade-window
	// Reset the trade-status for both players
	if( pCont->layer() == 0 && pCont->id() == 0x1E5E &&	pChar->Wears( pCont ) )
	{
		// Trade window???
		P_ITEM tradeWindow = FindItemBySerial( calcserial( pCont->moreb1(), pCont->moreb2(), pCont->moreb3(), pCont->moreb4() ) );

		// If it *IS* a trade-window, replace the status
		if( tradeWindow && ( pCont->morez() || tradeWindow->morez() ) )
		{
			tradeWindow->setMoreZ(0);
			pCont->setMoreZ(0);
//			sendtradestatus( tradeWindow, pCont );
		}
	}
	
	if( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	// Trash can
	if( pCont->type()==87 )
	{
		Items->DeleItem( pItem );
		socket->sysMessage( tr( "As you let go of the item it disappears." ) );
		return;
	}

	// Spell Book
	cSpellBook *pBook = dynamic_cast< cSpellBook* >( pCont );
	if( pBook )
 	{
		SI08 spellId = NewMagic->calcSpellId( pItem->id() );

		if( pItem->type() != 1105 || spellId < 0 )
		{
			socket->sysMessage( tr( "You can only put scrolls into a spellbook" ) );
			socket->bounceItem( pItem, BR_NO_REASON );
			return;
		}		

//.........这里部分代码省略.........

//.........这里部分代码省略.........
	{
		if( pWearer == pChar )
			socket->sysMessage( tr( "You cannot wear that item, you seem not agile enough" ) );
		else
			socket->sysMessage( tr( "This person can't wear that item, it seems not agile enough" ) );

		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}
	
	// Required Intelligence
	if( pItem->in() > pWearer->intelligence() )
	{
		if( pWearer == pChar )
			socket->sysMessage( tr( "You cannot wear that item, you seem not smart enough" ) );
		else
			socket->sysMessage( tr( "This person can't wear that item, it seems not smart enough" ) );

		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Males can't wear female armor
	if( ( pChar->bodyID() == 0x0190 ) && ( pItem->id() >= 0x1C00 ) && ( pItem->id() <= 0x1C0D ) )
	{
		socket->sysMessage( tr( "You cannot wear female armor." ) );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Needs a check (!)
	// Checks for equipment on the same layer
	// If there is any it tries to unequip it
	// If that fails it cancels
	// we also need to check if there is a twohanded weapon if we want to equip another weapon.
	UI08 layer = pTile.layer;

	bool twohanded = false;
	P_ITEM equippedLayerItem = pWearer->atLayer( static_cast<cBaseChar::enLayer>(layer) );
	if ( equippedLayerItem )
		twohanded = equippedLayerItem->twohanded();

	if( twohanded && ( layer == 1 || layer == 2 ) )
	{
		socket->sysMessage( tr("You can't hold another item while wearing a twohanded weapon!") );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// we're equipping so we do the check
	if( equippedLayerItem )
	{ 
		if( pChar->canPickUp( equippedLayerItem ) )
		{
			equippedLayerItem->toBackpack( pWearer );
		}
		else
		{
			socket->sysMessage( tr( "You can't wear another item there!" ) );
			socket->bounceItem( pItem, BR_NO_REASON );
			return;
		}
	}

	// At this point we're certain that we can wear the item
	pWearer->addItem( static_cast<cBaseChar::enLayer>(pTile.layer), pItem );

	// Apply the bonuses
	pWearer->giveItemBonus( pItem );

	if( pWearer->objectType() == enPlayer )
	{
		P_PLAYER pp = dynamic_cast<P_PLAYER>(pWearer);
		if( pp->socket() )
			pp->socket()->sendStatWindow();
	}

	// I don't think we need to remove the item
	// as it's only visible to the current char
	// And he looses contact anyway

	// Build our packets
	cUOTxCharEquipment wearItem;
	wearItem.fromItem( pItem );

	cUOTxSoundEffect soundEffect;
	soundEffect.setSound( 0x57 );
	soundEffect.setCoord( pWearer->pos() );

	// Send to all sockets in range
	// ONLY the new equipped item and the sound-effect
	for( cUOSocket *mSock = cNetwork::instance()->first(); mSock; mSock = cNetwork::instance()->next() )
	{
		if( mSock->player() && ( mSock->player()->dist( pWearer ) <= mSock->player()->visualRange() ) )
		{
			mSock->send( &wearItem );
			mSock->send( &soundEffect );
		}
	}
}

void DragAndDrop::dropOnItem( cUOSocket* socket, P_ITEM pItem, P_ITEM pCont, const Coord_cl& dropPos )
{
	P_PLAYER pChar = socket->player();

	if ( pItem->isMulti() )
	{
		socket->sysMessage( tr( "You cannot put houses in containers" ) );
		cUOTxBounceItem bounce;
		bounce.setReason( BR_NO_REASON );
		socket->send( &bounce );
		pItem->remove();
		return;
	}

	if ( pItem->onDropOnItem( pCont ) )
	{
		if ( pItem->free )
			return;

		if ( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}
	else if ( pCont->onDropOnItem( pItem ) )
	{
		if ( pItem->free )
			return;

		if ( socket->dragging() )
			socket->bounceItem( socket->dragging(), BR_NO_REASON );

		return;
	}

	// If the target belongs to another character
	// It needs to be our vendor or else it's denied
	P_CHAR packOwner = pCont->getOutmostChar();

	if ( ( packOwner ) && ( packOwner != pChar ) && !pChar->isGM() )
	{
		// For each item someone puts into there
		// He needs to do a snoop-check
		if ( pChar->maySnoop() )
		{
			if ( !pChar->checkSkill( SNOOPING, 0, 1000 ) )
			{
				socket->sysMessage( tr( "You fail to put that into %1's pack" ).arg( packOwner->name() ) );
				socket->bounceItem( pItem, BR_NO_REASON );
				return;
			}
		}

		if ( packOwner->objectType() == enPlayer || ( packOwner->objectType() == enNPC && dynamic_cast<P_NPC>( packOwner )->owner() != pChar ) )
		{
			socket->sysMessage( tr( "You cannot put that into the belongings of another player" ) );
			socket->bounceItem( pItem, BR_NO_REASON );
			return;
		}
	}

	if ( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	// We drop something on the belongings of one of our playervendors
	/*	if( ( packOwner != NULL ) && ( packOwner->npcaitype() == 17 ) && packOwner->owner() == pChar )
	{
	socket->sysMessage( tr( "You drop something into your playervendor (unimplemented)" ) );
	socket->bounceItem( pItem, BR_NO_REASON );
	return;
	}*/

	// Playervendors (chest equipped by the vendor - opened to the client)

	/*if( !( pCont->pileable() && pItem->pileable() && pCont->id() == pItem->id() || ( pCont->type() != 1 && pCont->type() != 9 ) ) )
	{
	P_CHAR pc_j = GetPackOwner(pCont);
	if (pc_j != NULL)
	{
	if (pc_j->npcaitype() == 17 && pc_j->isNpc() && pChar->Owns(pc_j))
	{
	pChar->inputitem = pItem->serial;
	pChar->inputmode = cChar::enPricing;
	sysmessage(s, "Set a price for this item.");
	}
	}
	*/

	// We may also drop into *any* locked chest
	// So we can have post-boxes ;o)
	if ( pCont->type() == 1 )
	{
		// If we're dropping it onto the closed container
		if ( dropPos.x == 0xFFFF && dropPos.y == 0xFFFF )
		{
			pCont->addItem( pItem );
		}
//.........这里部分代码省略.........

// New Class implementation
void DragAndDrop::grabItem( cUOSocket* socket, cUORxDragItem* packet )
{
	// Get our character
	P_PLAYER pChar = socket->player();
	if ( !pChar )
		return;

	float weight = pChar->weight();

	// Fetch the grab information
	UI16 amount = packet->amount();
	if ( !amount )
		amount = 1;

	P_ITEM pItem = FindItemBySerial( packet->serial() );

	// If it's an invalid pointer we can't even bounce
	if ( !pItem )
		return;

	// Are we already dragging an item ?
	// Bounce it and reject the move
	// (Logged out while dragging an item)
	if ( socket->dragging() )
	{
		socket->bounceItem( socket->dragging(), BR_ALREADY_DRAGGING );
		return;
	}

	// Check if the item can be reached
	if (pItem->getOutmostChar() != pChar && !pChar->lineOfSight(pItem)) {
		socket->bounceItem( pItem, BR_OUT_OF_REACH );
		return;
	}

	if ( pItem->onPickup( pChar ) )
		return;

	if ( pChar->onPickup( pItem ) )
		return;

	// Do we really want to let him break his meditation
	// When he picks up an item ?
	// Maybe a meditation check here ?!?
	pChar->disturbMed(); // Meditation

	P_CHAR itemOwner = pItem->getOutmostChar();

	// Try to pick something out of another characters posessions
	if ( !pChar->isGM() && itemOwner && ( itemOwner != pChar ) && ( itemOwner->objectType() == enNPC && dynamic_cast<P_NPC>( itemOwner )->owner() != pChar ) )
	{
		socket->bounceItem( pItem, BR_BELONGS_TO_SOMEONE_ELSE );
		return;
	}

	// Check if the user can grab the item
	if ( !pChar->canPickUp( pItem ) )
	{
		socket->bounceItem( pItem, BR_CANNOT_PICK_THAT_UP );
		return;
	}

	// The user can't see the item
	// Basically thats impossible as the socket should deny moving the item
	// if it's not in line of sight but to prevent exploits
	/*if( !line_of_sight( socket->socket(), pChar->pos, pItem->pos, TREES_BUSHES|WALLS_CHIMNEYS|DOORS|ROOFING_SLANTED|FLOORS_FLAT_ROOFING|LAVA_WATER ) )
	{
		socket->sysMessage( "You can't see the item." );
		bounceItem( socket, pItem, true );
		return;
	}*/

	P_ITEM outmostCont = pItem->getOutmostItem();

	// If the top-most container ( thats important ) is a corpse
	// and looting is a crime, flag the character criminal.
	if ( !pChar->isGM() && outmostCont && outmostCont->corpse() )
	{
		// For each item we take out we loose carma
		// if the corpse is innocent and not in our guild
		bool sameGuild = true;//( GuildCompare( pChar, outmostCont->owner() ) != 0 );

		if ( outmostCont->hasTag( "notoriety" ) && outmostCont->getTag( "notoriety" ).toInt() == 1 && !pChar->owns( outmostCont ) && !sameGuild )
		{
			//			pChar->karma -= 5;
			pChar->setKarma( pChar->karma() - 5 );
			pChar->setCriminalTime( Server::instance()->time() + Config::instance()->crimtime() * MY_CLOCKS_PER_SEC );
			socket->sysMessage( tr( "You lost some karma." ) );
		}
	}

	// Check if the item is too heavy
	//if( !pc_currchar->isGMorCounselor() )
	//{
	//} << Deactivated (DarkStorm)

	// ==== Grabbing the Item is allowed here ====

	// Send the user a pickup sound if we're picking it up
//.........这里部分代码省略.........

void DragAndDrop::equipItem( cUOSocket* socket, cUORxWearItem* packet )
{
	P_ITEM pItem = FindItemBySerial( packet->serial() );
	P_CHAR pWearer = FindCharBySerial( packet->wearer() );

	if ( !pItem || !pWearer )
		return;

	P_PLAYER pChar = socket->player();

	// We're dead and can't do that
	if ( pChar->isDead() )
	{
		socket->clilocMessage( 0x7A4D5, "", 0x3b2 ); // You can't do that when you're dead.
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// No Special Layer Equipping
	if ( ( packet->layer() > cBaseChar::InnerLegs || packet->layer() <= cBaseChar::TradeWindow ) && !pChar->isGM() )
	{
		socket->sysMessage( tr( "You can't equip on that layer." ) );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Our target is dead
	if ( ( pWearer != pChar ) && pWearer->isDead() )
	{
		socket->sysMessage( tr( "You can't equip dead players." ) );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Only GM's can equip other People
	if ( pWearer != pChar && !pChar->isGM() )
	{
		P_NPC pNpc = dynamic_cast<P_NPC>( pWearer );

		// But we are allowed to equip our own humans
		if ( !pNpc || ( pNpc->owner() != pChar && pWearer->isHuman() ) )
			socket->sysMessage( tr( "You can't equip other players." ) );

		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Get our tile-information
	tile_st pTile = TileCache::instance()->getTile( pItem->id() );

	// Is the item wearable ? ( layer == 0 | equip-flag not set )
	// Multis are not wearable are they :o)
	if ( pTile.layer == 0 || !( pTile.flag3 & 0x40 ) || pItem->isMulti() )
	{
		socket->sysMessage( tr( "This item cannot be equipped." ) );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Check the Script for it
	if ( pItem->onWearItem( pChar, pWearer, packet->layer() ) )
	{
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Males can't wear female armor
	if ( ( pChar->body() == 0x0190 ) && ( pItem->id() >= 0x1C00 ) && ( pItem->id() <= 0x1C0D ) )
	{
		socket->sysMessage( tr( "You cannot wear female armor." ) );
		socket->bounceItem( pItem, BR_NO_REASON );
		return;
	}

	// Needs a check (!)
	// Checks for equipment on the same layer
	// If there is any it tries to unequip it
	// If that fails it cancels
	// we also need to check if there is a twohanded weapon if we want to equip another weapon.
	UI08 layer = pTile.layer;

	P_ITEM equippedLayerItem = pWearer->atLayer( static_cast<cBaseChar::enLayer>( layer ) );

	// we're equipping so we do the check
	if ( equippedLayerItem )
	{
		if ( pChar->canPickUp( equippedLayerItem ) )
		{
			equippedLayerItem->toBackpack( pWearer );
		}
		else
		{
			socket->sysMessage( tr( "You can't wear another item there!" ) );
			socket->bounceItem( pItem, BR_NO_REASON );
			return;
		}
	}

	// Check other layers if neccesary
	bool occupied = false;
//.........这里部分代码省略.........