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/cvs/deliantra/server/include/network.h
Revision: 1.21
Committed: Tue May 6 16:55:26 2008 UTC (16 years ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_6, rel-2_7, rel-2_54, rel-2_55, rel-2_56, rel-2_61
Changes since 1.20: +1 -1 lines
Log Message:
update copyright

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
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your 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 GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
24 /* This file defines various flags that both the new client and
25 * newserver uses. These should never be changed, only expanded.
26 * Changing them will likely cause all old clients to not work properly.
27 * While called newclient, it is really used by both the client and
28 * server to keep some values the same.
29 *
30 * Name format is CS_(command)_(flag)
31 * CS = Client/Server.
32 * (command) is protocol command, ie ITEM
33 * (flag) is the flag name
34 */
35
36 /* It is trivial to keep a link of copy of this file in the client
37 * or server area. But keeping one common file should make things
38 * more reliable, as both the client and server will definately be
39 * talking about the same values.
40 */
41
42
43 #ifndef NETWORK_H
44 #define NETWORK_H
45
46 #include <cstdarg>
47
48 /* Maximum size of any packet we expect.
49 *
50 * The size must be the same in the server and the client (stupid).
51 * TODO: make the actual network configurable per client and use 2**16.
52 */
53 #define MAXSOCKBUF 10239
54
55 #define CS_QUERY_YESNO 0x1 /* Yes/no question */
56 #define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */
57 #define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */
58
59 /* These are multiplication values that should be used when changing
60 * floats to ints, and vice version. MULTI is integer representatin
61 * (float to int), MULTF is float, for going from int to float.
62 */
63 #define FLOAT_MULTI 100000
64 #define FLOAT_MULTF 100000.0
65
66 /* ID's for the various stats that get sent across. */
67
68 #define CS_STAT_HP 1
69 #define CS_STAT_MAXHP 2
70 #define CS_STAT_SP 3
71 #define CS_STAT_MAXSP 4
72 #define CS_STAT_STR 5
73 #define CS_STAT_INT 6
74 #define CS_STAT_WIS 7
75 #define CS_STAT_DEX 8
76 #define CS_STAT_CON 9
77 #define CS_STAT_CHA 10
78 #define CS_STAT_EXP 11
79 #define CS_STAT_LEVEL 12
80 #define CS_STAT_WC 13
81 #define CS_STAT_AC 14
82 #define CS_STAT_DAM 15
83 #define CS_STAT_ARMOUR 16
84 #define CS_STAT_SPEED 17
85 #define CS_STAT_FOOD 18
86 #define CS_STAT_WEAP_SP 19
87 #define CS_STAT_RANGE 20
88 #define CS_STAT_TITLE 21
89 #define CS_STAT_POW 22
90 #define CS_STAT_GRACE 23
91 #define CS_STAT_MAXGRACE 24
92 #define CS_STAT_FLAGS 25
93 #define CS_STAT_WEIGHT_LIM 26
94 #define CS_STAT_EXP64 28
95 #define CS_STAT_SPELL_ATTUNE 29
96 #define CS_STAT_SPELL_REPEL 30
97 #define CS_STAT_SPELL_DENY 31
98
99 /* Start & end of resistances, inclusive. */
100 #define CS_STAT_RESIST_START 100
101 #define CS_STAT_RESIST_END 117
102 #define CS_STAT_RES_PHYS 100
103 #define CS_STAT_RES_MAG 101
104 #define CS_STAT_RES_FIRE 102
105 #define CS_STAT_RES_ELEC 103
106 #define CS_STAT_RES_COLD 104
107 #define CS_STAT_RES_CONF 105
108 #define CS_STAT_RES_ACID 106
109 #define CS_STAT_RES_DRAIN 107
110 #define CS_STAT_RES_GHOSTHIT 108
111 #define CS_STAT_RES_POISON 109
112 #define CS_STAT_RES_SLOW 110
113 #define CS_STAT_RES_PARA 111
114 #define CS_STAT_TURN_UNDEAD 112
115 #define CS_STAT_RES_FEAR 113
116 #define CS_STAT_RES_DEPLETE 114
117 #define CS_STAT_RES_DEATH 115
118 #define CS_STAT_RES_HOLYWORD 116
119 #define CS_STAT_RES_BLIND 117
120
121 /* Start & end of skill experience + skill level, inclusive. */
122 #define CS_STAT_SKILLEXP_START 118
123 #define CS_STAT_SKILLEXP_END 129
124 #define CS_STAT_SKILLEXP_AGILITY 118
125 #define CS_STAT_SKILLEXP_AGLEVEL 119
126 #define CS_STAT_SKILLEXP_PERSONAL 120
127 #define CS_STAT_SKILLEXP_PELEVEL 121
128 #define CS_STAT_SKILLEXP_MENTAL 122
129 #define CS_STAT_SKILLEXP_MELEVEL 123
130 #define CS_STAT_SKILLEXP_PHYSIQUE 124
131 #define CS_STAT_SKILLEXP_PHLEVEL 125
132 #define CS_STAT_SKILLEXP_MAGIC 126
133 #define CS_STAT_SKILLEXP_MALEVEL 127
134 #define CS_STAT_SKILLEXP_WISDOM 128
135 #define CS_STAT_SKILLEXP_WILEVEL 129
136
137 /* CS_STAT_SKILLINFO is used as the starting index point. Skill number->name
138 * map is generated dynamically for the client, so a bunch of entries will
139 * be used here. CS_NUM_SKILLS does not match how many skills there really
140 * are - instead, it is used as a range of values so that the client
141 * can have some idea how many skill categories there may be.
142 */
143 #define CS_STAT_SKILLINFO 140
144 #define CS_NUM_SKILLS 50
145
146 /* These are used with CS_STAT_FLAGS above to communicate S->C what the
147 * server thinks the fireon & runon states are.
148 */
149 #define SF_FIREON 0x01
150 #define SF_RUNON 0x02
151
152 /* Flags for the item command */
153 enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied};
154 #define F_APPLIED 0x000F
155 #define F_LOCATION 0x00F0
156 #define F_UNPAID 0x0200
157 #define F_MAGIC 0x0400
158 #define F_CURSED 0x0800
159 #define F_DAMNED 0x1000
160 #define F_OPEN 0x2000
161 #define F_NOPICK 0x4000
162 #define F_LOCKED 0x8000
163
164 #define CF_FACE_NONE 0
165 #define CF_FACE_BITMAP 1
166 #define CF_FACE_XPM 2
167 #define CF_FACE_PNG 3
168 #define CF_FACE_CACHE 0x10
169
170 /* Used in the new_face structure on the magicmap field. Low bits
171 * are color informatin. For now, only high bit information we need
172 * is floor information.
173 */
174 #define FACE_FLOOR 0x80
175 #define FACE_WALL 0x40 /* Or'd into the color value by the server
176 * right before sending.
177 */
178 #define FACE_COLOR_MASK 0xf
179
180 #define UPD_LOCATION 0x01
181 #define UPD_FLAGS 0x02
182 #define UPD_WEIGHT 0x04
183 #define UPD_FACE 0x08
184 #define UPD_NAME 0x10
185 #define UPD_ANIM 0x20
186 #define UPD_ANIMSPEED 0x40
187 #define UPD_NROF 0x80
188
189 /* The flag values sent by the updspell command */
190 #define UPD_SP_MANA 0x01
191 #define UPD_SP_GRACE 0x02
192 #define UPD_SP_DAMAGE 0x04
193
194 #define SOUND_NORMAL 0
195 #define SOUND_SPELL 1
196
197 struct data
198 {
199 unsigned int len;
200 const void *ptr;
201
202 data (const void *ptr, int len) : len (len), ptr (ptr) { }
203 data (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
204 data (const shstr &sh) : len (sh.length ()), ptr ((void *)&sh) { }
205 };
206
207 struct data8
208 {
209 unsigned int len;
210 const void *ptr;
211
212 data8 (const void *ptr, int len) : len (len), ptr (ptr) { }
213 data8 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
214 data8 (const shstr &sh) : len (sh.length ()), ptr ((void *)&sh) { }
215 };
216
217 struct data16
218 {
219 unsigned int len;
220 const void *ptr;
221
222 data16 (const void *ptr, int len) : len (len), ptr (ptr) { }
223 data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { }
224 data16 (const shstr &sh) : len (sh.length ()), ptr ((void *)&sh) { }
225 };
226
227 struct ber32
228 {
229 enum { size = 5 }; // maximum length of an encoded ber32
230 uint32 val;
231
232 ber32 (uint32 val) : val (val) { }
233
234 static int encoded_size (uint32 val)
235 {
236 if (val >= (1 << 7*4)) return 5;
237 if (val >= (1 << 7*3)) return 4;
238 if (val >= (1 << 7*2)) return 3;
239 if (val >= (1 << 7*1)) return 2;
240 return 1;
241 }
242 };
243
244 /* Contains the base information we use to make up a packet we want to send. */
245 struct packet
246 {
247 enum { bufsize = MAXSOCKBUF };
248 enum { hdrlen = 2 }; // keep this many bytes free at the front
249
250 // strategy: only check on variable-length adds
251 // and allow 256 bytes for any headers.
252 uint8 *cur;
253 uint8 buf_ [hdrlen + bufsize + 256];
254
255 packet ()
256 {
257 reset ();
258 }
259
260 packet (const char *name);
261
262 uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; }
263 uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; }
264
265 uint8 *buf () { return buf_ + hdrlen; }
266 const uint8 *buf () const { return buf_ + hdrlen; }
267
268 void reset (int offset = 0) { cur = buf () + offset; }
269 int length () const { return cur - buf (); }
270 int room () { return bufsize - (cur - buf ()); }
271
272 // unchecked
273 packet &operator <<(uint8 v) { *cur++ = v; return *this; }
274
275 packet &operator <<(uint16 v) { return *this << uint8 (v >> 8) << uint8 (v); }
276 packet &operator <<(uint32 v) { return *this << uint16 (v >> 16) << uint16 (v); }
277 packet &operator <<(uint64 v) { return *this << uint32 (v >> 32) << uint32 (v); }
278
279 packet &operator <<(sint8 v) { return *this << (uint8 )v; }
280 packet &operator <<(sint16 v) { return *this << (uint16)v; }
281 packet &operator <<(sint32 v) { return *this << (uint32)v; }
282 packet &operator <<(sint64 v) { return *this << (uint64)v; }
283
284 // checked
285 packet &operator <<(const ber32 v);
286
287 packet &operator <<(const data &v);
288 packet &operator <<(const data8 &v);
289 packet &operator <<(const data16 &v);
290
291 packet &operator <<(const char *v);
292 packet &operator <<(const shstr &sh) { return *this << data (&sh, sh.length ()); }
293 packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); }
294
295 void vprintf (const char *format, va_list ap);
296
297 void printf (const char *format, ...)
298 {
299 va_list ap;
300 va_start (ap, format);
301 vprintf (format, ap);
302 va_end (ap);
303 }
304 };
305
306 inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; }
307 inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); }
308 inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); }
309 inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); }
310
311 #endif
312