C++ P_PLAYER::lineOfSight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);
	}
}

// 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.........