ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/network.h
Revision: 1.29
Committed: Fri Mar 26 01:04:44 2010 UTC (14 years, 2 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.28: +1 -1 lines
Log Message:
update copyright for up to 2010

File Contents

# User Rev Content
1 root 1.1 /*
2 root 1.20 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 pippijn 1.8 *
4 root 1.29 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 root 1.28 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6     * Copyright (©) 1992 Frank Tore Johansen
7 pippijn 1.8 *
8 root 1.24 * Deliantra is free software: you can redistribute it and/or modify it under
9     * the terms of the Affero GNU General Public License as published by the
10     * Free Software Foundation, either version 3 of the License, or (at your
11     * option) any later version.
12 pippijn 1.8 *
13 root 1.14 * This program is distributed in the hope that it will be useful,
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16     * GNU General Public License for more details.
17 pippijn 1.8 *
18 root 1.24 * You should have received a copy of the Affero GNU General Public License
19     * and the GNU General Public License along with this program. If not, see
20     * <http://www.gnu.org/licenses/>.
21 root 1.12 *
22 root 1.20 * The authors can be reached via e-mail to <support@deliantra.net>
23 pippijn 1.8 */
24 root 1.1
25     /* This file defines various flags that both the new client and
26     * newserver uses. These should never be changed, only expanded.
27     * Changing them will likely cause all old clients to not work properly.
28     * While called newclient, it is really used by both the client and
29     * server to keep some values the same.
30     *
31     * Name format is CS_(command)_(flag)
32     * CS = Client/Server.
33     * (command) is protocol command, ie ITEM
34     * (flag) is the flag name
35     */
36    
37     /* It is trivial to keep a link of copy of this file in the client
38     * or server area. But keeping one common file should make things
39     * more reliable, as both the client and server will definately be
40     * talking about the same values.
41     */
42    
43 root 1.4 #ifndef NETWORK_H
44     #define NETWORK_H
45    
46 root 1.25 //+GPL
47    
48 root 1.4 #include <cstdarg>
49 root 1.1
50 root 1.26 #include "compiler.h"
51    
52 root 1.6 /* Maximum size of any packet we expect.
53 root 1.1 *
54 root 1.17 * The size must be the same in the server and the client (stupid).
55 root 1.19 * TODO: make the actual network configurable per client and use 2**16.
56 root 1.1 */
57 root 1.17 #define MAXSOCKBUF 10239
58 root 1.1
59     #define CS_QUERY_YESNO 0x1 /* Yes/no question */
60     #define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */
61     #define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */
62    
63     /* These are multiplication values that should be used when changing
64     * floats to ints, and vice version. MULTI is integer representatin
65     * (float to int), MULTF is float, for going from int to float.
66     */
67     #define FLOAT_MULTI 100000
68     #define FLOAT_MULTF 100000.0
69    
70     /* ID's for the various stats that get sent across. */
71    
72     #define CS_STAT_HP 1
73     #define CS_STAT_MAXHP 2
74     #define CS_STAT_SP 3
75     #define CS_STAT_MAXSP 4
76     #define CS_STAT_STR 5
77     #define CS_STAT_INT 6
78     #define CS_STAT_WIS 7
79     #define CS_STAT_DEX 8
80     #define CS_STAT_CON 9
81     #define CS_STAT_CHA 10
82     #define CS_STAT_EXP 11
83     #define CS_STAT_LEVEL 12
84     #define CS_STAT_WC 13
85     #define CS_STAT_AC 14
86     #define CS_STAT_DAM 15
87     #define CS_STAT_ARMOUR 16
88     #define CS_STAT_SPEED 17
89     #define CS_STAT_FOOD 18
90     #define CS_STAT_WEAP_SP 19
91     #define CS_STAT_RANGE 20
92     #define CS_STAT_TITLE 21
93     #define CS_STAT_POW 22
94     #define CS_STAT_GRACE 23
95     #define CS_STAT_MAXGRACE 24
96     #define CS_STAT_FLAGS 25
97     #define CS_STAT_WEIGHT_LIM 26
98     #define CS_STAT_EXP64 28
99     #define CS_STAT_SPELL_ATTUNE 29
100     #define CS_STAT_SPELL_REPEL 30
101     #define CS_STAT_SPELL_DENY 31
102    
103     /* Start & end of resistances, inclusive. */
104     #define CS_STAT_RESIST_START 100
105     #define CS_STAT_RESIST_END 117
106     #define CS_STAT_RES_PHYS 100
107     #define CS_STAT_RES_MAG 101
108     #define CS_STAT_RES_FIRE 102
109     #define CS_STAT_RES_ELEC 103
110     #define CS_STAT_RES_COLD 104
111     #define CS_STAT_RES_CONF 105
112     #define CS_STAT_RES_ACID 106
113     #define CS_STAT_RES_DRAIN 107
114     #define CS_STAT_RES_GHOSTHIT 108
115     #define CS_STAT_RES_POISON 109
116     #define CS_STAT_RES_SLOW 110
117     #define CS_STAT_RES_PARA 111
118     #define CS_STAT_TURN_UNDEAD 112
119     #define CS_STAT_RES_FEAR 113
120     #define CS_STAT_RES_DEPLETE 114
121     #define CS_STAT_RES_DEATH 115
122     #define CS_STAT_RES_HOLYWORD 116
123     #define CS_STAT_RES_BLIND 117
124    
125     /* Start & end of skill experience + skill level, inclusive. */
126     #define CS_STAT_SKILLEXP_START 118
127     #define CS_STAT_SKILLEXP_END 129
128     #define CS_STAT_SKILLEXP_AGILITY 118
129     #define CS_STAT_SKILLEXP_AGLEVEL 119
130     #define CS_STAT_SKILLEXP_PERSONAL 120
131     #define CS_STAT_SKILLEXP_PELEVEL 121
132     #define CS_STAT_SKILLEXP_MENTAL 122
133     #define CS_STAT_SKILLEXP_MELEVEL 123
134     #define CS_STAT_SKILLEXP_PHYSIQUE 124
135     #define CS_STAT_SKILLEXP_PHLEVEL 125
136     #define CS_STAT_SKILLEXP_MAGIC 126
137     #define CS_STAT_SKILLEXP_MALEVEL 127
138     #define CS_STAT_SKILLEXP_WISDOM 128
139     #define CS_STAT_SKILLEXP_WILEVEL 129
140    
141     /* CS_STAT_SKILLINFO is used as the starting index point. Skill number->name
142     * map is generated dynamically for the client, so a bunch of entries will
143     * be used here. CS_NUM_SKILLS does not match how many skills there really
144     * are - instead, it is used as a range of values so that the client
145     * can have some idea how many skill categories there may be.
146     */
147     #define CS_STAT_SKILLINFO 140
148     #define CS_NUM_SKILLS 50
149    
150     /* These are used with CS_STAT_FLAGS above to communicate S->C what the
151     * server thinks the fireon & runon states are.
152     */
153     #define SF_FIREON 0x01
154     #define SF_RUNON 0x02
155    
156     /* Flags for the item command */
157     enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied};
158 root 1.25
159 root 1.1 #define F_APPLIED 0x000F
160     #define F_LOCATION 0x00F0
161     #define F_UNPAID 0x0200
162     #define F_MAGIC 0x0400
163     #define F_CURSED 0x0800
164     #define F_DAMNED 0x1000
165     #define F_OPEN 0x2000
166     #define F_NOPICK 0x4000
167     #define F_LOCKED 0x8000
168    
169     #define CF_FACE_NONE 0
170     #define CF_FACE_BITMAP 1
171     #define CF_FACE_XPM 2
172     #define CF_FACE_PNG 3
173     #define CF_FACE_CACHE 0x10
174    
175     /* Used in the new_face structure on the magicmap field. Low bits
176     * are color informatin. For now, only high bit information we need
177     * is floor information.
178     */
179     #define FACE_FLOOR 0x80
180     #define FACE_WALL 0x40 /* Or'd into the color value by the server
181     * right before sending.
182     */
183     #define FACE_COLOR_MASK 0xf
184    
185     #define UPD_LOCATION 0x01
186     #define UPD_FLAGS 0x02
187     #define UPD_WEIGHT 0x04
188     #define UPD_FACE 0x08
189     #define UPD_NAME 0x10
190     #define UPD_ANIM 0x20
191     #define UPD_ANIMSPEED 0x40
192     #define UPD_NROF 0x80
193    
194     /* The flag values sent by the updspell command */
195     #define UPD_SP_MANA 0x01
196     #define UPD_SP_GRACE 0x02
197 root 1.27 #define UPD_SP_LEVEL 0x04 // was UPD_SP_DAMAGE in <= server 2.93, client 2.10
198 root 1.1
199     #define SOUND_NORMAL 0
200     #define SOUND_SPELL 1
201    
202 root 1.25 //-GPL
203    
204 root 1.1 struct data
205     {
206     unsigned int len;
207     const void *ptr;
208    
209     data (const void *ptr, int len) : len (len), ptr (ptr) { }
210     data (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
211 root 1.23 data (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
212 root 1.22 data (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
213 root 1.1 };
214    
215     struct data8
216     {
217     unsigned int len;
218     const void *ptr;
219    
220     data8 (const void *ptr, int len) : len (len), ptr (ptr) { }
221     data8 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
222 root 1.23 data8 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
223 root 1.22 data8 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
224 root 1.1 };
225    
226     struct data16
227     {
228     unsigned int len;
229     const void *ptr;
230    
231     data16 (const void *ptr, int len) : len (len), ptr (ptr) { }
232     data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
233 root 1.23 data16 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
234 root 1.22 data16 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
235 root 1.1 };
236    
237 root 1.9 struct ber32
238     {
239 root 1.10 enum { size = 5 }; // maximum length of an encoded ber32
240 root 1.9 uint32 val;
241    
242     ber32 (uint32 val) : val (val) { }
243 root 1.16
244     static int encoded_size (uint32 val)
245     {
246     if (val >= (1 << 7*4)) return 5;
247     if (val >= (1 << 7*3)) return 4;
248     if (val >= (1 << 7*2)) return 3;
249     if (val >= (1 << 7*1)) return 2;
250     return 1;
251     }
252 root 1.9 };
253    
254 root 1.1 /* Contains the base information we use to make up a packet we want to send. */
255     struct packet
256     {
257     enum { bufsize = MAXSOCKBUF };
258     enum { hdrlen = 2 }; // keep this many bytes free at the front
259    
260     // strategy: only check on variable-length adds
261     // and allow 256 bytes for any headers.
262     uint8 *cur;
263     uint8 buf_ [hdrlen + bufsize + 256];
264    
265 root 1.5 packet ()
266     {
267     reset ();
268     }
269    
270     packet (const char *name);
271 root 1.1
272     uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; }
273     uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; }
274    
275     uint8 *buf () { return buf_ + hdrlen; }
276     const uint8 *buf () const { return buf_ + hdrlen; }
277    
278     void reset (int offset = 0) { cur = buf () + offset; }
279     int length () const { return cur - buf (); }
280     int room () { return bufsize - (cur - buf ()); }
281    
282     // unchecked
283     packet &operator <<(uint8 v) { *cur++ = v; return *this; }
284    
285     packet &operator <<(uint16 v) { return *this << uint8 (v >> 8) << uint8 (v); }
286     packet &operator <<(uint32 v) { return *this << uint16 (v >> 16) << uint16 (v); }
287     packet &operator <<(uint64 v) { return *this << uint32 (v >> 32) << uint32 (v); }
288    
289     packet &operator <<(sint8 v) { return *this << (uint8 )v; }
290     packet &operator <<(sint16 v) { return *this << (uint16)v; }
291     packet &operator <<(sint32 v) { return *this << (uint32)v; }
292     packet &operator <<(sint64 v) { return *this << (uint64)v; }
293    
294     // checked
295 root 1.9 packet &operator <<(const ber32 v);
296    
297 root 1.1 packet &operator <<(const data &v);
298     packet &operator <<(const data8 &v);
299     packet &operator <<(const data16 &v);
300    
301     packet &operator <<(const char *v);
302 root 1.23 packet &operator <<(shstr_tmp sh) { return *this << data (sh); }
303 root 1.11 packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); }
304 root 1.1
305 root 1.4 void vprintf (const char *format, va_list ap);
306    
307 root 1.26 void printf (const char *format, ...) attribute ((format (printf, 2, 3)))
308 root 1.4 {
309     va_list ap;
310     va_start (ap, format);
311     vprintf (format, ap);
312     va_end (ap);
313     }
314 root 1.1 };
315    
316     inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; }
317     inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); }
318     inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); }
319     inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); }
320    
321     #endif
322