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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "protocol.h"
#include "messagein.h"
#include "messageout.h"
#include "network.h"
#include "../being.h"
#include "../game.h"
#include "../log.h"
#include "../main.h"
#include "../playerinfo.h"
#include "../sound.h"
#define LOBYTE(w) ((unsigned char)(w))
#define HIBYTE(w) ((unsigned char)(((unsigned short)(w)) >> 8))
unsigned char get_src_direction(char data)
{
data >>= 4;
return data;
}
unsigned char get_dest_direction(char data)
{
return data & 0x000f;
}
void set_coordinates(char *data,
unsigned short x,
unsigned short y,
unsigned char direction)
{
short temp;
temp = x;
temp <<= 6;
data[0] = 0;
data[1] = 1;
data[2] = 2;
data[0] = HIBYTE(temp);
data[1] = (unsigned char)(temp);
temp = y;
temp <<= 4;
data[1] |= HIBYTE(temp);
data[2] = LOBYTE(temp);
data[2] |= direction;
}
void map_start()
{
// Connect to map server
if (open_session(iptostring(map_address), map_port) == -1)
{
logger->log("Warning: Unable to connect to map server");
throw "Unable to connect to map server";
return;
}
// Send login infos
MessageOut outMsg;
outMsg.writeShort(0x0072);
outMsg.writeLong(account_ID);
outMsg.writeLong(char_ID);
outMsg.writeLong(session_ID1);
outMsg.writeLong(session_ID2);
outMsg.writeByte(sex);
writeSet(19);
// Skip a mysterious 4 bytes
while ((in_size < 4)|| (out_size > 0)) flush();
skip(4);
MessageIn msg = get_next_message();
if (msg.getId() == SMSG_LOGIN_SUCCESS)
{
unsigned char direction;
msg.readLong(); // server tick
msg.readCoordinates(startX, startY, direction);
msg.skip(2); // unknown
logger->log("Protocol: Player start position: (%d, %d), Direction: %d",
startX, startY, direction);
}
else if (msg.getId() == 0x0081)
{
logger->log("Warning: Map server D/C");
}
else
{
logger->error("Unknown packet: map_start");
}
skip(msg.getLength());
// Send "map loaded"
// TODO: be able to reuse the same msg
MessageOut newMsg;
newMsg.writeShort(0x007d);
writeSet(2);
}
void walk(unsigned short x, unsigned short y, unsigned char direction)
{
char temp[3];
MessageOut outMsg;
set_coordinates(temp, x, y, direction);
outMsg.writeShort(0x0085);
outMsg.writeString(temp, 3);
writeSet(5);
}
void action(char type, int id)
{
MessageOut outMsg;
outMsg.writeShort(0x0089);
outMsg.writeLong(id);
outMsg.writeByte(type);
writeSet(7);
}
Being* attack(unsigned short x, unsigned short y, unsigned char direction)
{
Being *target = NULL;
switch (direction)
{
case Being::SOUTH:
target = findNode(x, y + 1, Being::MONSTER);
break;
case Being::WEST:
target = findNode(x - 1, y, Being::MONSTER);
break;
case Being::NORTH:
target = findNode(x, y - 1, Being::MONSTER);
break;
case Being::EAST:
target = findNode(x + 1, y, Being::MONSTER);
break;
}
if (target) {
attack(target);
}
return target;
}
void attack(Being *target)
{
int dist_x = target->x - player_node->x;
int dist_y = target->y - player_node->y;
if (abs(dist_y) >= abs(dist_x))
{
if (dist_y > 0)
player_node->direction = Being::SOUTH;
else
player_node->direction = Being::NORTH;
}
else
{
if (dist_x > 0)
player_node->direction = Being::EAST;
else
player_node->direction = Being::WEST;
}
// Implement charging attacks here
player_info->lastAttackTime = 0;
player_node->action = Being::ATTACK;
action(0, target->getId());
player_node->walk_time = tick_time;
if (player_node->getWeapon() == 2)
sound.playSfx("sfx/bow_shoot_1.ogg");
else
sound.playSfx("sfx/fist-swish.ogg");
}
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