homunculushandler.cpp

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/*
 * The ManaPlus Client
 * 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/homunculushandler.h"
 
#include "being/playerinfo.h"
 
#include "net/serverfeatures.h"
 
#include "net/eathena/messageout.h"
#include "net/eathena/protocolout.h"
 
#include "debug.h"
 
extern int packetVersion;
 
namespace EAthena
{
 
HomunculusHandler::HomunculusHandler()
{
 homunculusHandler = this;
}
 
HomunculusHandler::~HomunculusHandler()
{
 homunculusHandler = nullptr;
}
 
void HomunculusHandler::setName(const std::string &name) const
{
 createOutPacket(CMSG_HOMUNCULUS_SET_NAME);
 outMsg.writeString(name, 24, "name");
}
 
void HomunculusHandler::moveToMaster() const
{
 const BeingId id = PlayerInfo::getHomunculusId();
 if (id == BeingId_zero)
 return;
 createOutPacket(CMSG_HOMMERC_MOVE_TO_MASTER);
 outMsg.writeBeingId(id, "homunculus id");
}
 
void HomunculusHandler::move(const int x, const int y) const
{
 const BeingId id = PlayerInfo::getHomunculusId();
 if (id == BeingId_zero)
 return;
 createOutPacket(CMSG_HOMMERC_MOVE_TO);
 outMsg.writeBeingId(id, "homunculus id");
 outMsg.writeCoordinates(CAST_U16(x),
 CAST_U16(y),
 1U, "position");
}
 
void HomunculusHandler::attack(const BeingId targetId,
 const Keep keep) const
{
 const BeingId id = PlayerInfo::getHomunculusId();
 if (id == BeingId_zero)
 return;
 createOutPacket(CMSG_HOMMERC_ATTACK);
 outMsg.writeBeingId(id, "homunculus id");
 outMsg.writeBeingId(targetId, "target id");
 outMsg.writeInt8(CAST_S8(keep == Keep_true ? 1 : 0), "keep");
}
 
void HomunculusHandler::feed() const
{
 if (packetVersion < 20050425)
 return;
 createOutPacket(CMSG_HOMUNCULUS_MENU);
 outMsg.writeInt16(0, "type");
 outMsg.writeInt8(1, "command"); // feed
}
 
void HomunculusHandler::fire() const
{
 if (packetVersion < 20050425)
 return;
 createOutPacket(CMSG_HOMUNCULUS_MENU);
 outMsg.writeInt16(0, "type");
 outMsg.writeInt8(2, "command"); // delete
}
 
void HomunculusHandler::talk(const std::string &restrict text) const
{
 if (!serverFeatures->haveMovePet())
 return;
 if (text.empty())
 return;
 std::string msg = text;
 if (msg.size() > 500)
 msg = msg.substr(0, 500);
 const size_t sz = msg.size();
 
 createOutPacket(CMSG_HOMMERC_TALK);
 outMsg.writeInt16(CAST_S16(sz + 4 + 1), "len");
 outMsg.writeString(msg, CAST_S32(sz), "message");
 outMsg.writeInt8(0, "zero byte");
}
 
void HomunculusHandler::emote(const uint8_t emoteId) const
{
 if (!serverFeatures->haveMovePet())
 return;
 createOutPacket(CMSG_HOMMERC_EMOTE);
 outMsg.writeInt8(emoteId, "emote id");
}
 
void HomunculusHandler::setDirection(const unsigned char type) const
{
 if (!serverFeatures->haveMovePet())
 return;
 createOutPacket(CMSG_HOMMERC_DIRECTION);
 outMsg.writeInt32(0, "pet id");
 outMsg.writeInt8(0, "head direction");
 outMsg.writeInt8(0, "unused");
 outMsg.writeInt8(MessageOut::toServerDirection(type),
 "pet direction");
}
 
} // namespace EAthena