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GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/net/eathena/npchandler.cpp	Lines:	1	186	0.5 %
Date:	2021-03-17	Branches:	0	220	0.0 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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, see <http://www.gnu.org/licenses/>.
 */

#include "net/eathena/npchandler.h"

#include "being/localplayer.h"

#include "const/net/inventory.h"

#include "gui/windows/npcdialog.h"

#include "gui/widgets/createwidget.h"

#include "net/messagein.h"

#include "net/ea/npcrecv.h"

#include "net/eathena/messageout.h"
#include "net/eathena/npcrecv.h"

#include "net/eathena/protocolout.h"

#include "utils/foreach.h"

#include "resources/item/shopitem.h"

#include "debug.h"

extern int packetVersion;
extern int packetVersionMain;
extern int packetVersionRe;
extern bool packets_zero;
extern int itemIdLen;

namespace EAthena
{

NpcHandler::NpcHandler() :
    Ea::NpcHandler()
{
    npcHandler = this;
}

NpcHandler::~NpcHandler()
{
    npcHandler = nullptr;
}

void NpcHandler::talk(const Being *const being) const
{
    if (being == nullptr)
        return;
    createOutPacket(CMSG_NPC_TALK);
    outMsg.writeBeingId(being->getId(), "npc id");
    outMsg.writeInt8(0, "unused");
    EAthena::NpcRecv::mNpcTypeId = being->getSubType();
}

void NpcHandler::nextDialog(const BeingId npcId) const
{
    createOutPacket(CMSG_NPC_NEXT_REQUEST);
    outMsg.writeBeingId(npcId, "npc id");
}

void NpcHandler::closeDialog(const BeingId npcId)
{
    createOutPacket(CMSG_NPC_CLOSE);
    outMsg.writeBeingId(npcId, "npc id");

    const NpcDialogs::iterator it = NpcDialog::mNpcDialogs.find(npcId);
    if (it != NpcDialog::mNpcDialogs.end())
    {
        NpcDialog *const dialog = (*it).second;
        if (dialog != nullptr)
            dialog->close();
        if (dialog == Ea::NpcRecv::mDialog)
            Ea::NpcRecv::mDialog = nullptr;
        NpcDialog::mNpcDialogs.erase(it);
    }
}

void NpcHandler::listInput(const BeingId npcId,
                           const unsigned char value) const
{
    createOutPacket(CMSG_NPC_LIST_CHOICE);
    outMsg.writeBeingId(npcId, "npc id");
    outMsg.writeInt8(value, "value");
}

void NpcHandler::integerInput(const BeingId npcId,
                              const int value) const
{
    createOutPacket(CMSG_NPC_INT_RESPONSE);
    outMsg.writeBeingId(npcId, "npc id");
    outMsg.writeInt32(value, "value");
}

void NpcHandler::stringInput(const BeingId npcId,
                             const std::string &value) const
{
    createOutPacket(CMSG_NPC_STR_RESPONSE);
    if (packetVersion >= 20151029)
    {
        outMsg.writeInt16(CAST_S16(value.length() + 8), "len");
        outMsg.writeBeingId(npcId, "npc id");
        outMsg.writeString(value, CAST_S32(value.length()), "value");
    }
    else
    {
        outMsg.writeInt16(CAST_S16(value.length() + 9), "len");
        outMsg.writeBeingId(npcId, "npc id");
        outMsg.writeString(value, CAST_S32(value.length()), "value");
        outMsg.writeInt8(0, "null byte");
    }
}

void NpcHandler::buy(const Being *const being) const
{
    if (being == nullptr)
        return;
    createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
    outMsg.writeBeingId(being->getId(), "npc id");
    outMsg.writeInt8(0, "action");
    EAthena::NpcRecv::mNpcTypeId = being->getSubType();
}

void NpcHandler::buy(const BeingId beingId) const
{
    createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
    outMsg.writeBeingId(beingId, "npc id");
    outMsg.writeInt8(0, "action");
    EAthena::NpcRecv::mNpcTypeId = BeingTypeId_zero;
}

void NpcHandler::sell(const BeingId beingId) const
{
    createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
    outMsg.writeBeingId(beingId, "npc id");
    outMsg.writeInt8(1, "action");
}

void NpcHandler::buyItem(const BeingId beingId A_UNUSED,
                         const int itemId,
                         const ItemColor color A_UNUSED,
                         const int amount) const
{
    createOutPacket(CMSG_NPC_BUY_REQUEST);
    outMsg.writeInt16(8, "len");
    outMsg.writeInt16(CAST_S16(amount), "amount");
    outMsg.writeItemId(itemId, "item id");
}

void NpcHandler::buyItems(STD_VECTOR<ShopItem*> &items) const
{
    int cnt = 0;
    const int pairSize = 2 + itemIdLen;

    FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
    {
        ShopItem *const item = *it;
        const int usedQuantity = item->getUsedQuantity();
        const ItemTypeT type = item->getType();
        if (usedQuantity == 0)
            continue;
        if (type == ItemType::Weapon ||
            type == ItemType::Armor ||
            type == ItemType::PetEgg ||
            type == ItemType::PetArmor)
        {
            cnt += item->getUsedQuantity();
        }
        else
        {
            cnt ++;
        }
    }

    if (cnt > 100)
        return;

    createOutPacket(CMSG_NPC_BUY_REQUEST);
    outMsg.writeInt16(CAST_S16(4 + pairSize * cnt), "len");
    FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
    {
        ShopItem *const item = *it;
        const int usedQuantity = item->getUsedQuantity();
        if (usedQuantity == 0)
            continue;
        item->increaseUsedQuantity(-usedQuantity);
        item->update();
        const ItemTypeT type = item->getType();
        if (type == ItemType::Weapon ||
            type == ItemType::Armor ||
            type == ItemType::PetEgg ||
            type == ItemType::PetArmor)
        {
            for (int f = 0; f < usedQuantity; f ++)
            {
                outMsg.writeInt16(CAST_S16(1), "amount");
                outMsg.writeItemId(item->getId(),
                    "item id");
            }
        }
        else
        {
            outMsg.writeInt16(CAST_S16(usedQuantity), "amount");
            outMsg.writeItemId(item->getId(), "item id");
        }
    }
}

void NpcHandler::sellItem(const BeingId beingId A_UNUSED,
                          const int itemId, const int amount) const
{
    createOutPacket(CMSG_NPC_SELL_REQUEST);
    outMsg.writeInt16(8, "len");
    outMsg.writeInt16(CAST_S16(itemId + INVENTORY_OFFSET),
        "item index");
    outMsg.writeInt16(CAST_S16(amount), "amount");
}

void NpcHandler::sellItems(STD_VECTOR<ShopItem*> &items) const
{
    const int pairSize = 4;
    int cnt = 0;

    FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
    {
        ShopItem *const item = *it;
        const int usedQuantity = item->getUsedQuantity();
        if (usedQuantity == 0)
            continue;
        cnt ++;
    }

    createOutPacket(CMSG_NPC_SELL_REQUEST);
    outMsg.writeInt16(CAST_S16(4 + pairSize * cnt), "len");
    FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
    {
        ShopItem *const item = *it;
        const int usedQuantity = item->getUsedQuantity();
        if (usedQuantity == 0)
            continue;
        item->increaseUsedQuantity(-usedQuantity);
        item->update();
        outMsg.writeInt16(CAST_S16(
            item->getCurrentInvIndex() + INVENTORY_OFFSET),
            "item index");
        outMsg.writeInt16(CAST_S16(usedQuantity), "amount");
    }
}

void NpcHandler::completeProgressBar() const
{
    createOutPacket(CMSG_NPC_COMPLETE_PROGRESS_BAR);
}

void NpcHandler::produceMix(const int nameId,
                            const int materialId1,
                            const int materialId2,
                            const int materialId3) const
{
    createOutPacket(CMSG_NPC_PRODUCE_MIX);
    outMsg.writeItemId(nameId, "item id");
    outMsg.writeItemId(materialId1, "material 1");
    outMsg.writeItemId(materialId2, "material 2");
    outMsg.writeItemId(materialId3, "material 3");
}

void NpcHandler::cooking(const CookingTypeT type,
                         const int nameId) const
{
    createOutPacket(CMSG_NPC_COOKING);
    outMsg.writeInt16(CAST_S16(type), "type");
    outMsg.writeItemId(nameId, "item id");
}

void NpcHandler::repair(const int index) const
{
    createOutPacket(CMSG_NPC_REPAIR);
    outMsg.writeInt16(CAST_S16(index), "index");
    // unused fields.
    outMsg.writeItemId(0, "item id");
    outMsg.writeInt8(0, "refine");
    for (int f = 0; f < maxCards; f ++)
        outMsg.writeItemId(0, "card");
}

void NpcHandler::refine(const int index) const
{
    createOutPacket(CMSG_NPC_REFINE);
    outMsg.writeInt32(index, "index");
}

void NpcHandler::identify(const int index) const
{
    createOutPacket(CMSG_NPC_IDENTIFY);
    outMsg.writeInt16(CAST_S16(index), "index");
}

void NpcHandler::selectArrow(const int nameId) const
{
    createOutPacket(CMSG_NPC_SELECT_ARROW);
    outMsg.writeItemId(nameId, "item id");
}

void NpcHandler::selectAutoSpell(const int skillId) const
{
    createOutPacket(CMSG_NPC_SELECT_AUTO_SPELL);
    outMsg.writeInt32(CAST_S16(skillId), "skill id");
}

BeingId NpcHandler::getNpc(Net::MessageIn &msg,
                           const NpcActionT action)
{
    const BeingId npcId = msg.readBeingId("npc id");

    const NpcDialogs::const_iterator diag = NpcDialog::mNpcDialogs.find(npcId);

    if (diag == NpcDialog::mNpcDialogs.end())
    {
        Ea::NpcRecv::mDialog = nullptr;
        // Empty dialogs don't help
        if (action == NpcAction::Close)
        {
            closeDialog(npcId);
            return npcId;
        }
        else if (action == NpcAction::Next)
        {
            nextDialog(npcId);
            return npcId;
        }
        else
        {
            CREATEWIDGETV(Ea::NpcRecv::mDialog, NpcDialog, npcId);
            Ea::NpcRecv::mDialog->saveCamera();
            if (localPlayer != nullptr)
                localPlayer->stopWalking(false);
            NpcDialog::mNpcDialogs[npcId] = Ea::NpcRecv::mDialog;
        }
    }
    else
    {
        NpcDialog *const dialog = diag->second;
        if (Ea::NpcRecv::mDialog != nullptr && Ea::NpcRecv::mDialog != dialog)
            Ea::NpcRecv::mDialog->restoreCamera();
        Ea::NpcRecv::mDialog = dialog;
        if (Ea::NpcRecv::mDialog != nullptr)
            Ea::NpcRecv::mDialog->saveCamera();
    }
    return npcId;
}

void NpcHandler::requestAirship(const std::string &mapName,
                                const int itemId) const
{
    if (packetVersionRe < 20180321 &&
        packetVersionMain < 20180620 &&
        packets_zero == false)
    {
        return;
    }
    createOutPacket(CMSG_PRIVATE_AIRSHIP_REQUEST);
    outMsg.writeString(mapName, 16, "map name");
    outMsg.writeItemId(itemId, "item");
}

}  // namespace EAthena


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2004-2009 The Mana World Development Team
4			* Copyright (C) 2009-2010 The Mana Developers
5			* Copyright (C) 2011-2019 The ManaPlus Developers
6			* Copyright (C) 2019-2021 Andrei Karas
7			*
8			* This file is part of The ManaPlus Client.
9			*
10			* This program is free software; you can redistribute it and/or modify
11			* it under the terms of the GNU General Public License as published by
12			* the Free Software Foundation; either version 2 of the License, or
13			* any later version.
14			*
15			* This program is distributed in the hope that it will be useful,
16			* but WITHOUT ANY WARRANTY; without even the implied warranty of
17			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			* GNU General Public License for more details.
19			*
20			* You should have received a copy of the GNU General Public License
21			* along with this program. If not, see <http://www.gnu.org/licenses/>.
22			*/
23
24			#include "net/eathena/npchandler.h"
25
26			#include "being/localplayer.h"
27
28			#include "const/net/inventory.h"
29
30			#include "gui/windows/npcdialog.h"
31
32			#include "gui/widgets/createwidget.h"
33
34			#include "net/messagein.h"
35
36			#include "net/ea/npcrecv.h"
37
38			#include "net/eathena/messageout.h"
39			#include "net/eathena/npcrecv.h"
40
41			#include "net/eathena/protocolout.h"
42
43			#include "utils/foreach.h"
44
45			#include "resources/item/shopitem.h"
46
47			#include "debug.h"
48
49			extern int packetVersion;
50			extern int packetVersionMain;
51			extern int packetVersionRe;
52			extern bool packets_zero;
53			extern int itemIdLen;
54
55			namespace EAthena
56			{
57
58			NpcHandler::NpcHandler() :
59			Ea::NpcHandler()
60			{
61			npcHandler = this;
62			}
63
64			NpcHandler::~NpcHandler()
65			{
66			npcHandler = nullptr;
67			}
68
69			void NpcHandler::talk(const Being *const being) const
70			{
71			if (being == nullptr)
72			return;
73			createOutPacket(CMSG_NPC_TALK);
74			outMsg.writeBeingId(being->getId(), "npc id");
75			outMsg.writeInt8(0, "unused");
76			EAthena::NpcRecv::mNpcTypeId = being->getSubType();
77			}
78
79			void NpcHandler::nextDialog(const BeingId npcId) const
80			{
81			createOutPacket(CMSG_NPC_NEXT_REQUEST);
82			outMsg.writeBeingId(npcId, "npc id");
83			}
84
85			void NpcHandler::closeDialog(const BeingId npcId)
86			{
87			createOutPacket(CMSG_NPC_CLOSE);
88			outMsg.writeBeingId(npcId, "npc id");
89
90			const NpcDialogs::iterator it = NpcDialog::mNpcDialogs.find(npcId);
91			if (it != NpcDialog::mNpcDialogs.end())
92			{
93			NpcDialog const dialog = (it).second;
94			if (dialog != nullptr)
95			dialog->close();
96			if (dialog == Ea::NpcRecv::mDialog)
97			Ea::NpcRecv::mDialog = nullptr;
98			NpcDialog::mNpcDialogs.erase(it);
99			}
100			}
101
102			void NpcHandler::listInput(const BeingId npcId,
103			const unsigned char value) const
104			{
105			createOutPacket(CMSG_NPC_LIST_CHOICE);
106			outMsg.writeBeingId(npcId, "npc id");
107			outMsg.writeInt8(value, "value");
108			}
109
110			void NpcHandler::integerInput(const BeingId npcId,
111			const int value) const
112			{
113			createOutPacket(CMSG_NPC_INT_RESPONSE);
114			outMsg.writeBeingId(npcId, "npc id");
115			outMsg.writeInt32(value, "value");
116			}
117
118			void NpcHandler::stringInput(const BeingId npcId,
119			const std::string &value) const
120			{
121			createOutPacket(CMSG_NPC_STR_RESPONSE);
122			if (packetVersion >= 20151029)
123			{
124			outMsg.writeInt16(CAST_S16(value.length() + 8), "len");
125			outMsg.writeBeingId(npcId, "npc id");
126			outMsg.writeString(value, CAST_S32(value.length()), "value");
127			}
128			else
129			{
130			outMsg.writeInt16(CAST_S16(value.length() + 9), "len");
131			outMsg.writeBeingId(npcId, "npc id");
132			outMsg.writeString(value, CAST_S32(value.length()), "value");
133			outMsg.writeInt8(0, "null byte");
134			}
135			}
136
137			void NpcHandler::buy(const Being *const being) const
138			{
139			if (being == nullptr)
140			return;
141			createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
142			outMsg.writeBeingId(being->getId(), "npc id");
143			outMsg.writeInt8(0, "action");
144			EAthena::NpcRecv::mNpcTypeId = being->getSubType();
145			}
146
147			void NpcHandler::buy(const BeingId beingId) const
148			{
149			createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
150			outMsg.writeBeingId(beingId, "npc id");
151			outMsg.writeInt8(0, "action");
152			EAthena::NpcRecv::mNpcTypeId = BeingTypeId_zero;
153			}
154
155			void NpcHandler::sell(const BeingId beingId) const
156			{
157			createOutPacket(CMSG_NPC_BUY_SELL_REQUEST);
158			outMsg.writeBeingId(beingId, "npc id");
159			outMsg.writeInt8(1, "action");
160			}
161
162			void NpcHandler::buyItem(const BeingId beingId A_UNUSED,
163			const int itemId,
164			const ItemColor color A_UNUSED,
165			const int amount) const
166			{
167			createOutPacket(CMSG_NPC_BUY_REQUEST);
168			outMsg.writeInt16(8, "len");
169			outMsg.writeInt16(CAST_S16(amount), "amount");
170			outMsg.writeItemId(itemId, "item id");
171			}
172
173			void NpcHandler::buyItems(STD_VECTOR<ShopItem*> &items) const
174			{
175			int cnt = 0;
176			const int pairSize = 2 + itemIdLen;
177
178			FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
179			{
180			ShopItem const item = it;
181			const int usedQuantity = item->getUsedQuantity();
182			const ItemTypeT type = item->getType();
183			if (usedQuantity == 0)
184			continue;
185			if (type == ItemType::Weapon \|\|
186			type == ItemType::Armor \|\|
187			type == ItemType::PetEgg \|\|
188			type == ItemType::PetArmor)
189			{
190			cnt += item->getUsedQuantity();
191			}
192			else
193			{
194			cnt ++;
195			}
196			}
197
198			if (cnt > 100)
199			return;
200
201			createOutPacket(CMSG_NPC_BUY_REQUEST);
202			outMsg.writeInt16(CAST_S16(4 + pairSize * cnt), "len");
203			FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
204			{
205			ShopItem const item = it;
206			const int usedQuantity = item->getUsedQuantity();
207			if (usedQuantity == 0)
208			continue;
209			item->increaseUsedQuantity(-usedQuantity);
210			item->update();
211			const ItemTypeT type = item->getType();
212			if (type == ItemType::Weapon \|\|
213			type == ItemType::Armor \|\|
214			type == ItemType::PetEgg \|\|
215			type == ItemType::PetArmor)
216			{
217			for (int f = 0; f < usedQuantity; f ++)
218			{
219			outMsg.writeInt16(CAST_S16(1), "amount");
220			outMsg.writeItemId(item->getId(),
221			"item id");
222			}
223			}
224			else
225			{
226			outMsg.writeInt16(CAST_S16(usedQuantity), "amount");
227			outMsg.writeItemId(item->getId(), "item id");
228			}
229			}
230			}
231
232			void NpcHandler::sellItem(const BeingId beingId A_UNUSED,
233			const int itemId, const int amount) const
234			{
235			createOutPacket(CMSG_NPC_SELL_REQUEST);
236			outMsg.writeInt16(8, "len");
237			outMsg.writeInt16(CAST_S16(itemId + INVENTORY_OFFSET),
238			"item index");
239			outMsg.writeInt16(CAST_S16(amount), "amount");
240			}
241
242			void NpcHandler::sellItems(STD_VECTOR<ShopItem*> &items) const
243			{
244			const int pairSize = 4;
245			int cnt = 0;
246
247			FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
248			{
249			ShopItem const item = it;
250			const int usedQuantity = item->getUsedQuantity();
251			if (usedQuantity == 0)
252			continue;
253			cnt ++;
254			}
255
256			createOutPacket(CMSG_NPC_SELL_REQUEST);
257			outMsg.writeInt16(CAST_S16(4 + pairSize * cnt), "len");
258			FOR_EACH (STD_VECTOR<ShopItem*>::iterator, it, items)
259			{
260			ShopItem const item = it;
261			const int usedQuantity = item->getUsedQuantity();
262			if (usedQuantity == 0)
263			continue;
264			item->increaseUsedQuantity(-usedQuantity);
265			item->update();
266			outMsg.writeInt16(CAST_S16(
267			item->getCurrentInvIndex() + INVENTORY_OFFSET),
268			"item index");
269			outMsg.writeInt16(CAST_S16(usedQuantity), "amount");
270			}
271			}
272
273			void NpcHandler::completeProgressBar() const
274			{
275			createOutPacket(CMSG_NPC_COMPLETE_PROGRESS_BAR);
276			}
277
278			void NpcHandler::produceMix(const int nameId,
279			const int materialId1,
280			const int materialId2,
281			const int materialId3) const
282			{
283			createOutPacket(CMSG_NPC_PRODUCE_MIX);
284			outMsg.writeItemId(nameId, "item id");
285			outMsg.writeItemId(materialId1, "material 1");
286			outMsg.writeItemId(materialId2, "material 2");
287			outMsg.writeItemId(materialId3, "material 3");
288			}
289
290			void NpcHandler::cooking(const CookingTypeT type,
291			const int nameId) const
292			{
293			createOutPacket(CMSG_NPC_COOKING);
294			outMsg.writeInt16(CAST_S16(type), "type");
295			outMsg.writeItemId(nameId, "item id");
296			}
297
298			void NpcHandler::repair(const int index) const
299			{
300			createOutPacket(CMSG_NPC_REPAIR);
301			outMsg.writeInt16(CAST_S16(index), "index");
302			// unused fields.
303			outMsg.writeItemId(0, "item id");
304			outMsg.writeInt8(0, "refine");
305			for (int f = 0; f < maxCards; f ++)
306			outMsg.writeItemId(0, "card");
307			}
308
309			void NpcHandler::refine(const int index) const
310			{
311			createOutPacket(CMSG_NPC_REFINE);
312			outMsg.writeInt32(index, "index");
313			}
314
315			void NpcHandler::identify(const int index) const
316			{
317			createOutPacket(CMSG_NPC_IDENTIFY);
318			outMsg.writeInt16(CAST_S16(index), "index");
319			}
320
321			void NpcHandler::selectArrow(const int nameId) const
322			{
323			createOutPacket(CMSG_NPC_SELECT_ARROW);
324			outMsg.writeItemId(nameId, "item id");
325			}
326
327			void NpcHandler::selectAutoSpell(const int skillId) const
328			{
329			createOutPacket(CMSG_NPC_SELECT_AUTO_SPELL);
330			outMsg.writeInt32(CAST_S16(skillId), "skill id");
331			}
332
333			BeingId NpcHandler::getNpc(Net::MessageIn &msg,
334			const NpcActionT action)
335			{
336			const BeingId npcId = msg.readBeingId("npc id");
337
338			const NpcDialogs::const_iterator diag = NpcDialog::mNpcDialogs.find(npcId);
339
340			if (diag == NpcDialog::mNpcDialogs.end())
341			{
342			Ea::NpcRecv::mDialog = nullptr;
343			// Empty dialogs don't help
344			if (action == NpcAction::Close)
345			{
346			closeDialog(npcId);
347			return npcId;
348			}
349			else if (action == NpcAction::Next)
350			{
351			nextDialog(npcId);
352			return npcId;
353			}
354			else
355			{
356			CREATEWIDGETV(Ea::NpcRecv::mDialog, NpcDialog, npcId);
357			Ea::NpcRecv::mDialog->saveCamera();
358			if (localPlayer != nullptr)
359			localPlayer->stopWalking(false);
360			NpcDialog::mNpcDialogs[npcId] = Ea::NpcRecv::mDialog;
361			}
362			}
363			else
364			{
365			NpcDialog *const dialog = diag->second;
366			if (Ea::NpcRecv::mDialog != nullptr && Ea::NpcRecv::mDialog != dialog)
367			Ea::NpcRecv::mDialog->restoreCamera();
368			Ea::NpcRecv::mDialog = dialog;
369			if (Ea::NpcRecv::mDialog != nullptr)
370			Ea::NpcRecv::mDialog->saveCamera();
371			}
372			return npcId;
373			}
374
375			void NpcHandler::requestAirship(const std::string &mapName,
376			const int itemId) const
377			{
378			if (packetVersionRe < 20180321 &&
379			packetVersionMain < 20180620 &&
380			packets_zero == false)
381			{
382			return;
383			}
384			createOutPacket(CMSG_PRIVATE_AIRSHIP_REQUEST);
385			outMsg.writeString(mapName, 16, "map name");
386			outMsg.writeItemId(itemId, "item");
387			}
388
389		2	} // namespace EAthena