summaryrefslogtreecommitdiff
path: root/src/net/protocol.cpp
blob: fac6b11daa47d090595492775ea2a8e2d9fbb2ab (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
/*
 *  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 <guichan.hpp>
#include "../main.h"
#include "../game.h"
#include "../playerinfo.h"
#include "../log.h"
#include "protocol.h"
#include "network.h"

#ifdef WIN32
#include <windows.h>
#else
#include "win2linux.h"
#endif


short packet_lengths[] = {
   10,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
// #0x0040
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
    0,  0,  0,  0, 55, 17,  3, 37, 46, -1, 23, -1,  3,108,  3,  2,
    3, 28, 19, 11,  3, -1,  9,  5, 54, 53, 58, 60, 41,  2,  6,  6,
// #0x0080
    7,  3,  2,  2,  2,  5, 16, 12, 10,  7, 29, 23, -1, -1, -1,  0,
    7, 22, 28,  2,  6, 30, -1, -1,  3, -1, -1,  5,  9, 17, 17,  6,
   23,  6,  6, -1, -1, -1, -1,  8,  7,  6,  7,  4,  7,  0, -1,  6,
    8,  8,  3,  3, -1,  6,  6, -1,  7,  6,  2,  5,  6, 44,  5,  3,
// #0x00C0
    7,  2,  6,  8,  6,  7, -1, -1, -1, -1,  3,  3,  6,  6,  2, 27,
    3,  4,  4,  2, -1, -1,  3, -1,  6, 14,  3, -1, 28, 29, -1, -1,
   30, 30, 26,  2,  6, 26,  3,  3,  8, 19,  5,  2,  3,  2,  2,  2,
    3,  2,  6,  8, 21,  8,  8,  2,  2, 26,  3, -1,  6, 27, 30, 10,
// #0x0100
    2,  6,  6, 30, 79, 31, 10, 10, -1, -1,  4,  6,  6,  2, 11, -1,
   10, 39,  4, 10, 31, 35, 10, 18,  2, 13, 15, 20, 68,  2,  3, 16,
    6, 14, -1, -1, 21,  8,  8,  8,  8,  8,  2,  2,  3,  4,  2, -1,
    6, 86,  6, -1, -1,  7, -1,  6,  3, 16,  4,  4,  4,  6, 24, 26,
// #0x0140
   22, 14,  6, 10, 23, 19,  6, 39,  8,  9,  6, 27, -1,  2,  6,  6,
  110,  6, -1, -1, -1, -1, -1,  6, -1, 54, 66, 54, 90, 42,  6, 42,
   -1, -1, -1, -1, -1, 30, -1,  3, 14,  3, 30, 10, 43, 14,186,182,
   14, 30, 10,  3, -1,  6,106, -1,  4,  5,  4, -1,  6,  7, -1, -1,
// #0x0180
    6,  3,106, 10, 10, 34,  0,  6,  8,  4,  4,  4, 29, -1, 10,  6,
   90, 86, 24,  6, 30,102,  9,  4,  8,  4, 14, 10,  4,  6,  2,  6,
    3,  3, 35,  5, 11, 26, -1,  4,  4,  6, 10, 12,  6, -1,  4,  4,
   11,  7, -1, 67, 12, 18,114,  6,  3,  6, 26, 26, 26, 26,  2,  3,
// #0x01C0
    2, 14, 10, -1, 22, 22,  4,  2, 13, 97,  0,  9,  9, 29,  6, 28,
    8, 14, 10, 35,  6,  8,  4, 11, 54, 53, 60,  2, -1, 47, 33,  6,
   30,  8, 34, 14,  2,  6, 26,  2, 28, 81,  6, 10, 26,  2, -1, -1,
   -1, -1, 20, 10, 32,  9, 34, 14,  2,  6, 48, 56, -1,  4,  5, 10,
// #0x200
   26,  0,  0,  0, 18,  0,  0,  0,  0,  0,  0, 19,  0,  0,  0,  0,
    0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
};

short get_length(short id) {
    return packet_lengths[id];
}

unsigned short get_dest_x(const char *data) {
    short temp;
    temp = MAKEWORD(data[3], data[2] & 0x000f);
    temp >>= 2;
    return temp;
}

unsigned short get_dest_y(const char *data) {
    return MAKEWORD(data[4], data[3] & 0x0003);
}

unsigned short get_src_x(const char *data) {
    short temp;
    temp = MAKEWORD(data[1], data[0]);
    temp >>= 6;
    return temp;
}

unsigned short get_src_y(const char *data) {
    short temp;
    temp = MAKEWORD(data[2], data[1] & 0x003f);
    temp >>= 4;
    return temp;
}

unsigned char get_src_direction(char data) {
    data >>= 4;
    return data;
}

unsigned char get_dest_direction(char data) {
    return data & 0x000f;
}

unsigned short get_x(const char *data) {
    short temp;
    temp = MAKEWORD(data[1] & 0x00c0, data[0] & 0x00ff);
    temp >>= 6;
    return temp;
}

unsigned short get_y(const char *data) {
    short temp;
    if (!data) throw "Corrupted data";
    temp = MAKEWORD(data[2] & 0x00f0, data[1] & 0x003f);
    temp >>= 4;
    return temp;
}

unsigned char get_direction(const char *data) {
    return data[2] & 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] = LOBYTE(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) == SOCKET_ERROR)
    {
        logger->log("Warning: Unable to connect to map server");
        throw "Unable to connect to map server";
        return;
    }

    // Send login infos
    WFIFOW(0) = net_w_value(0x0072);
    WFIFOL(2) = net_l_value(account_ID);
    WFIFOL(6) = net_l_value(char_ID);
    WFIFOL(10) = net_l_value(session_ID1);
    WFIFOL(14) = net_l_value(session_ID2);
    WFIFOB(18) = net_b_value(sex);
    WFIFOSET(19);

    while ((in_size < 4)|| (out_size > 0)) flush();
    RFIFOSKIP(4);

    while (in_size < 2) flush();

    if (RFIFOW(0) == SMSG_LOGIN_SUCCESS) {
        while (in_size < 11) flush();
        startX = get_x(RFIFOP(6));
        startY = get_y(RFIFOP(6));
        int direction = get_direction(RFIFOP(6));
        logger->log("Protocol: Player start position: (%d, %d), Direction: %d",
                startX, startY, direction);
        RFIFOSKIP(11);
    } else if (0x0081) {
        logger->log("Warning: Map server D/C");
    } else {
        logger->error("Unknown packet: map_start");
    }

    // Send "map loaded"
    WFIFOW(0) = net_w_value(0x007d);
    WFIFOSET(2);
    while (out_size > 0) flush();
}

void walk(unsigned short x, unsigned short y, unsigned char direction)
{
    char temp[3];
    set_coordinates(temp, x, y, direction);
    WFIFOW(0) = net_w_value(0x0085);
    memcpy(WFIFOP(2), temp, 3);
    WFIFOSET(5);
}

void speak(char *speech)
{
    int len = (int)strlen(speech);
    WFIFOW(0) = net_w_value(0x008c);
    WFIFOW(2) = net_w_value(len + 4);
    memcpy(WFIFOP(4), speech, len);
    WFIFOSET(len + 4);
}

void action(char type, int id)
{
    WFIFOW(0) = net_w_value(0x0089);
    WFIFOL(2) = net_l_value(id);
    WFIFOB(6) = net_b_value(type);
    WFIFOSET(7);
}

Being* attack(unsigned short x, unsigned short y, unsigned char direction)
{
    Being *target = NULL;

    if (direction == SOUTH) {
        target = findNode(x, y + 1);
    } else if(direction == WEST) {
        target = findNode(x - 1, y);
    } else if(direction == NORTH) {
        target = findNode(x, y - 1);
    } else if(direction == EAST) {
        target = findNode(x + 1, y);
    }

    if (target && target->isMonster()) {
        attack(target);
        return target;
    }

    return NULL;
}

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 = SOUTH;
        else
            player_node->direction = NORTH;
    }
    else
    {
        if (dist_x > 0)
            player_node->direction = EAST;
        else
            player_node->direction = WEST;
    }

    // Implement charging attacks here
    char_info->lastAttackTime = 0;

    player_node->action = ATTACK;
    action(0, target->id);
    player_node->walk_time = tick_time;
    if (player_node->weapon == 2)
        sound.playSfx("sfx/bow_shoot_1.ogg");
    else
        sound.playSfx("sfx/fist-swish.ogg");
}