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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* 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 "localplayer.h"
#include "gui/npcdialog.h"
#include "gui/viewport.h"
#include "net/eathena/protocol.h"
#include "net/ea/eaprotocol.h"
#include "utils/langs.h"
#include "debug.h"
extern Net::NpcHandler *npcHandler;
namespace EAthena
{
NpcHandler::NpcHandler() :
MessageHandler(),
Ea::NpcHandler()
{
static const uint16_t _messages[] =
{
SMSG_NPC_CHOICE,
SMSG_NPC_MESSAGE,
SMSG_NPC_NEXT,
SMSG_NPC_CLOSE,
SMSG_NPC_INT_INPUT,
SMSG_NPC_STR_INPUT,
SMSG_NPC_CUTIN,
SMSG_NPC_VIEWPOINT,
0
};
handledMessages = _messages;
npcHandler = this;
}
void NpcHandler::handleMessage(Net::MessageIn &msg)
{
int npcId = 0;
switch (msg.getId())
{
case SMSG_NPC_CHOICE:
getNpc(msg, true);
processNpcChoice(msg);
break;
case SMSG_NPC_MESSAGE:
getNpc(msg, true);
processNpcMessage(msg);
break;
case SMSG_NPC_CLOSE:
getNpc(msg, false);
processNpcClose(msg);
break;
case SMSG_NPC_NEXT:
getNpc(msg, false);
processNpcNext(msg);
break;
case SMSG_NPC_INT_INPUT:
getNpc(msg, false);
processNpcIntInput(msg);
break;
case SMSG_NPC_STR_INPUT:
getNpc(msg, false);
processNpcStrInput(msg);
break;
case SMSG_NPC_CUTIN:
processNpcCutin(msg, npcId);
break;
case SMSG_NPC_VIEWPOINT:
getNpc(msg, true);
processNpcViewPoint(msg, npcId);
break;
default:
break;
}
mDialog = nullptr;
}
void NpcHandler::talk(const int npcId) const
{
MessageOut outMsg(CMSG_NPC_TALK);
outMsg.writeInt32(npcId);
outMsg.writeInt8(0); // unused
}
void NpcHandler::nextDialog(const int npcId) const
{
MessageOut outMsg(CMSG_NPC_NEXT_REQUEST);
outMsg.writeInt32(npcId);
}
void NpcHandler::closeDialog(const int npcId)
{
MessageOut outMsg(CMSG_NPC_CLOSE);
outMsg.writeInt32(npcId);
const NpcDialogs::iterator it = mNpcDialogs.find(npcId);
if (it != mNpcDialogs.end())
{
NpcDialog *const dialog = (*it).second;
if (dialog)
dialog->close();
if (dialog == mDialog)
mDialog = nullptr;
mNpcDialogs.erase(it);
}
}
void NpcHandler::listInput(const int npcId, const unsigned char value) const
{
MessageOut outMsg(CMSG_NPC_LIST_CHOICE);
outMsg.writeInt32(npcId);
outMsg.writeInt8(value);
}
void NpcHandler::integerInput(const int npcId, const int value) const
{
MessageOut outMsg(CMSG_NPC_INT_RESPONSE);
outMsg.writeInt32(npcId);
outMsg.writeInt32(value);
}
void NpcHandler::stringInput(const int npcId, const std::string &value) const
{
MessageOut outMsg(CMSG_NPC_STR_RESPONSE);
outMsg.writeInt16(static_cast<int16_t>(value.length() + 9));
outMsg.writeInt32(npcId);
outMsg.writeString(value, static_cast<int>(value.length()));
outMsg.writeInt8(0); // Prevent problems with string reading
}
void NpcHandler::buy(const int beingId) const
{
MessageOut outMsg(CMSG_NPC_BUY_SELL_REQUEST);
outMsg.writeInt32(beingId);
outMsg.writeInt8(0); // Buy
}
void NpcHandler::sell(const int beingId) const
{
MessageOut outMsg(CMSG_NPC_BUY_SELL_REQUEST);
outMsg.writeInt32(beingId);
outMsg.writeInt8(1); // Sell
}
void NpcHandler::buyItem(const int beingId A_UNUSED, const int itemId,
const unsigned char color A_UNUSED,
const int amount) const
{
MessageOut outMsg(CMSG_NPC_BUY_REQUEST);
outMsg.writeInt16(8); // One item (length of packet)
outMsg.writeInt16(static_cast<int16_t>(amount));
outMsg.writeInt16(static_cast<int16_t>(itemId));
}
void NpcHandler::sellItem(const int beingId A_UNUSED,
const int itemId, const int amount) const
{
MessageOut outMsg(CMSG_NPC_SELL_REQUEST);
outMsg.writeInt16(8); // One item (length of packet)
outMsg.writeInt16(static_cast<int16_t>(itemId + INVENTORY_OFFSET));
outMsg.writeInt16(static_cast<int16_t>(amount));
}
int NpcHandler::getNpc(Net::MessageIn &msg, const bool haveLength)
{
if (haveLength)
msg.readInt16(); // length
const int npcId = msg.readInt32();
const NpcDialogs::const_iterator diag = mNpcDialogs.find(npcId);
mDialog = nullptr;
if (diag == mNpcDialogs.end())
{
// Empty dialogs don't help
if (msg.getId() == SMSG_NPC_CLOSE)
{
closeDialog(npcId);
return npcId;
}
else if (msg.getId() == SMSG_NPC_NEXT)
{
nextDialog(npcId);
return npcId;
}
else
{
mDialog = new NpcDialog(npcId);
mDialog->saveCamera();
if (player_node)
player_node->stopWalking(false);
mNpcDialogs[npcId] = mDialog;
}
}
else
{
NpcDialog *const dialog = diag->second;
if (mDialog && mDialog != dialog)
mDialog->restoreCamera();
mDialog = dialog;
if (mDialog)
mDialog->saveCamera();
}
return npcId;
}
void NpcHandler::processNpcCutin(Net::MessageIn &msg A_UNUSED,
int npcId A_UNUSED) const
{
msg.readString(64); // image name
msg.readInt8(); // type
}
void NpcHandler::processNpcViewPoint(Net::MessageIn &msg A_UNUSED,
int npcId A_UNUSED) const
{
msg.readInt32(); // type
msg.readInt32(); // x
msg.readInt32(); // y
msg.readInt8(); // byte
msg.readInt32(); // color
}
} // namespace EAthena
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