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/cvs/deliantra/server/include/network.h
Revision: 1.24
Committed: Mon Oct 12 14:00:58 2009 UTC (14 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_82, rel-2_81
Changes since 1.23: +7 -6 lines
Log Message:
clarify license

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * 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 *
13 * 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 *
18 * 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 *
22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */
24
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
44 #ifndef NETWORK_H
45 #define NETWORK_H
46
47 #include <cstdarg>
48
49 /* Maximum size of any packet we expect.
50 *
51 * The size must be the same in the server and the client (stupid).
52 * TODO: make the actual network configurable per client and use 2**16.
53 */
54 #define MAXSOCKBUF 10239
55
56 #define CS_QUERY_YESNO 0x1 /* Yes/no question */
57 #define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */
58 #define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */
59
60 /* These are multiplication values that should be used when changing
61 * floats to ints, and vice version. MULTI is integer representatin
62 * (float to int), MULTF is float, for going from int to float.
63 */
64 #define FLOAT_MULTI 100000
65 #define FLOAT_MULTF 100000.0
66
67 /* ID's for the various stats that get sent across. */
68
69 #define CS_STAT_HP 1
70 #define CS_STAT_MAXHP 2
71 #define CS_STAT_SP 3
72 #define CS_STAT_MAXSP 4
73 #define CS_STAT_STR 5
74 #define CS_STAT_INT 6
75 #define CS_STAT_WIS 7
76 #define CS_STAT_DEX 8
77 #define CS_STAT_CON 9
78 #define CS_STAT_CHA 10
79 #define CS_STAT_EXP 11
80 #define CS_STAT_LEVEL 12
81 #define CS_STAT_WC 13
82 #define CS_STAT_AC 14
83 #define CS_STAT_DAM 15
84 #define CS_STAT_ARMOUR 16
85 #define CS_STAT_SPEED 17
86 #define CS_STAT_FOOD 18
87 #define CS_STAT_WEAP_SP 19
88 #define CS_STAT_RANGE 20
89 #define CS_STAT_TITLE 21
90 #define CS_STAT_POW 22
91 #define CS_STAT_GRACE 23
92 #define CS_STAT_MAXGRACE 24
93 #define CS_STAT_FLAGS 25
94 #define CS_STAT_WEIGHT_LIM 26
95 #define CS_STAT_EXP64 28
96 #define CS_STAT_SPELL_ATTUNE 29
97 #define CS_STAT_SPELL_REPEL 30
98 #define CS_STAT_SPELL_DENY 31
99
100 /* Start & end of resistances, inclusive. */
101 #define CS_STAT_RESIST_START 100
102 #define CS_STAT_RESIST_END 117
103 #define CS_STAT_RES_PHYS 100
104 #define CS_STAT_RES_MAG 101
105 #define CS_STAT_RES_FIRE 102
106 #define CS_STAT_RES_ELEC 103
107 #define CS_STAT_RES_COLD 104
108 #define CS_STAT_RES_CONF 105
109 #define CS_STAT_RES_ACID 106
110 #define CS_STAT_RES_DRAIN 107
111 #define CS_STAT_RES_GHOSTHIT 108
112 #define CS_STAT_RES_POISON 109
113 #define CS_STAT_RES_SLOW 110
114 #define CS_STAT_RES_PARA 111
115 #define CS_STAT_TURN_UNDEAD 112
116 #define CS_STAT_RES_FEAR 113
117 #define CS_STAT_RES_DEPLETE 114
118 #define CS_STAT_RES_DEATH 115
119 #define CS_STAT_RES_HOLYWORD 116
120 #define CS_STAT_RES_BLIND 117
121
122 /* Start & end of skill experience + skill level, inclusive. */
123 #define CS_STAT_SKILLEXP_START 118
124 #define CS_STAT_SKILLEXP_END 129
125 #define CS_STAT_SKILLEXP_AGILITY 118
126 #define CS_STAT_SKILLEXP_AGLEVEL 119
127 #define CS_STAT_SKILLEXP_PERSONAL 120
128 #define CS_STAT_SKILLEXP_PELEVEL 121
129 #define CS_STAT_SKILLEXP_MENTAL 122
130 #define CS_STAT_SKILLEXP_MELEVEL 123
131 #define CS_STAT_SKILLEXP_PHYSIQUE 124
132 #define CS_STAT_SKILLEXP_PHLEVEL 125
133 #define CS_STAT_SKILLEXP_MAGIC 126
134 #define CS_STAT_SKILLEXP_MALEVEL 127
135 #define CS_STAT_SKILLEXP_WISDOM 128
136 #define CS_STAT_SKILLEXP_WILEVEL 129
137
138 /* CS_STAT_SKILLINFO is used as the starting index point. Skill number->name
139 * map is generated dynamically for the client, so a bunch of entries will
140 * be used here. CS_NUM_SKILLS does not match how many skills there really
141 * are - instead, it is used as a range of values so that the client
142 * can have some idea how many skill categories there may be.
143 */
144 #define CS_STAT_SKILLINFO 140
145 #define CS_NUM_SKILLS 50
146
147 /* These are used with CS_STAT_FLAGS above to communicate S->C what the
148 * server thinks the fireon & runon states are.
149 */
150 #define SF_FIREON 0x01
151 #define SF_RUNON 0x02
152
153 /* Flags for the item command */
154 enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied};
155 #define F_APPLIED 0x000F
156 #define F_LOCATION 0x00F0
157 #define F_UNPAID 0x0200
158 #define F_MAGIC 0x0400
159 #define F_CURSED 0x0800
160 #define F_DAMNED 0x1000
161 #define F_OPEN 0x2000
162 #define F_NOPICK 0x4000
163 #define F_LOCKED 0x8000
164
165 #define CF_FACE_NONE 0
166 #define CF_FACE_BITMAP 1
167 #define CF_FACE_XPM 2
168 #define CF_FACE_PNG 3
169 #define CF_FACE_CACHE 0x10
170
171 /* Used in the new_face structure on the magicmap field. Low bits
172 * are color informatin. For now, only high bit information we need
173 * is floor information.
174 */
175 #define FACE_FLOOR 0x80
176 #define FACE_WALL 0x40 /* Or'd into the color value by the server
177 * right before sending.
178 */
179 #define FACE_COLOR_MASK 0xf
180
181 #define UPD_LOCATION 0x01
182 #define UPD_FLAGS 0x02
183 #define UPD_WEIGHT 0x04
184 #define UPD_FACE 0x08
185 #define UPD_NAME 0x10
186 #define UPD_ANIM 0x20
187 #define UPD_ANIMSPEED 0x40
188 #define UPD_NROF 0x80
189
190 /* The flag values sent by the updspell command */
191 #define UPD_SP_MANA 0x01
192 #define UPD_SP_GRACE 0x02
193 #define UPD_SP_DAMAGE 0x04
194
195 #define SOUND_NORMAL 0
196 #define SOUND_SPELL 1
197
198 struct data
199 {
200 unsigned int len;
201 const void *ptr;
202
203 data (const void *ptr, int len) : len (len), ptr (ptr) { }
204 data (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
205 data (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
206 data (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
207 };
208
209 struct data8
210 {
211 unsigned int len;
212 const void *ptr;
213
214 data8 (const void *ptr, int len) : len (len), ptr (ptr) { }
215 data8 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
216 data8 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
217 data8 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
218 };
219
220 struct data16
221 {
222 unsigned int len;
223 const void *ptr;
224
225 data16 (const void *ptr, int len) : len (len), ptr (ptr) { }
226 data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
227 data16 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
228 data16 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
229 };
230
231 struct ber32
232 {
233 enum { size = 5 }; // maximum length of an encoded ber32
234 uint32 val;
235
236 ber32 (uint32 val) : val (val) { }
237
238 static int encoded_size (uint32 val)
239 {
240 if (val >= (1 << 7*4)) return 5;
241 if (val >= (1 << 7*3)) return 4;
242 if (val >= (1 << 7*2)) return 3;
243 if (val >= (1 << 7*1)) return 2;
244 return 1;
245 }
246 };
247
248 /* Contains the base information we use to make up a packet we want to send. */
249 struct packet
250 {
251 enum { bufsize = MAXSOCKBUF };
252 enum { hdrlen = 2 }; // keep this many bytes free at the front
253
254 // strategy: only check on variable-length adds
255 // and allow 256 bytes for any headers.
256 uint8 *cur;
257 uint8 buf_ [hdrlen + bufsize + 256];
258
259 packet ()
260 {
261 reset ();
262 }
263
264 packet (const char *name);
265
266 uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; }
267 uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; }
268
269 uint8 *buf () { return buf_ + hdrlen; }
270 const uint8 *buf () const { return buf_ + hdrlen; }
271
272 void reset (int offset = 0) { cur = buf () + offset; }
273 int length () const { return cur - buf (); }
274 int room () { return bufsize - (cur - buf ()); }
275
276 // unchecked
277 packet &operator <<(uint8 v) { *cur++ = v; return *this; }
278
279 packet &operator <<(uint16 v) { return *this << uint8 (v >> 8) << uint8 (v); }
280 packet &operator <<(uint32 v) { return *this << uint16 (v >> 16) << uint16 (v); }
281 packet &operator <<(uint64 v) { return *this << uint32 (v >> 32) << uint32 (v); }
282
283 packet &operator <<(sint8 v) { return *this << (uint8 )v; }
284 packet &operator <<(sint16 v) { return *this << (uint16)v; }
285 packet &operator <<(sint32 v) { return *this << (uint32)v; }
286 packet &operator <<(sint64 v) { return *this << (uint64)v; }
287
288 // checked
289 packet &operator <<(const ber32 v);
290
291 packet &operator <<(const data &v);
292 packet &operator <<(const data8 &v);
293 packet &operator <<(const data16 &v);
294
295 packet &operator <<(const char *v);
296 packet &operator <<(shstr_tmp sh) { return *this << data (sh); }
297 packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); }
298
299 void vprintf (const char *format, va_list ap);
300
301 void printf (const char *format, ...)
302 {
303 va_list ap;
304 va_start (ap, format);
305 vprintf (format, ap);
306 va_end (ap);
307 }
308 };
309
310 inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; }
311 inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); }
312 inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); }
313 inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); }
314
315 #endif
316