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/cvs/deliantra/server/include/network.h
Revision: 1.28
Committed: Fri Mar 26 00:59:21 2010 UTC (14 years, 2 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.27: +2 -2 lines
Log Message:
remove bogus 2007 copyright that was added wrongly by the script, update to affero 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 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992 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 #ifndef NETWORK_H
44 #define NETWORK_H
45
46 //+GPL
47
48 #include <cstdarg>
49
50 #include "compiler.h"
51
52 /* Maximum size of any packet we expect.
53 *
54 * The size must be the same in the server and the client (stupid).
55 * TODO: make the actual network configurable per client and use 2**16.
56 */
57 #define MAXSOCKBUF 10239
58
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
159 #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 #define UPD_SP_LEVEL 0x04 // was UPD_SP_DAMAGE in <= server 2.93, client 2.10
198
199 #define SOUND_NORMAL 0
200 #define SOUND_SPELL 1
201
202 //-GPL
203
204 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 data (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
212 data (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
213 };
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 data8 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
223 data8 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
224 };
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 data16 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { }
234 data16 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { }
235 };
236
237 struct ber32
238 {
239 enum { size = 5 }; // maximum length of an encoded ber32
240 uint32 val;
241
242 ber32 (uint32 val) : val (val) { }
243
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 };
253
254 /* 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 packet ()
266 {
267 reset ();
268 }
269
270 packet (const char *name);
271
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 packet &operator <<(const ber32 v);
296
297 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 packet &operator <<(shstr_tmp sh) { return *this << data (sh); }
303 packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); }
304
305 void vprintf (const char *format, va_list ap);
306
307 void printf (const char *format, ...) attribute ((format (printf, 2, 3)))
308 {
309 va_list ap;
310 va_start (ap, format);
311 vprintf (format, ap);
312 va_end (ap);
313 }
314 };
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