| 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 |
//+GPL |
| 48 |
|
| 49 |
#include <cstdarg> |
| 50 |
|
| 51 |
/* Maximum size of any packet we expect. |
| 52 |
* |
| 53 |
* The size must be the same in the server and the client (stupid). |
| 54 |
* TODO: make the actual network configurable per client and use 2**16. |
| 55 |
*/ |
| 56 |
#define MAXSOCKBUF 10239 |
| 57 |
|
| 58 |
#define CS_QUERY_YESNO 0x1 /* Yes/no question */ |
| 59 |
#define CS_QUERY_SINGLECHAR 0x2 /* Single character response expected */ |
| 60 |
#define CS_QUERY_HIDEINPUT 0x4 /* Hide input being entered */ |
| 61 |
|
| 62 |
/* These are multiplication values that should be used when changing |
| 63 |
* floats to ints, and vice version. MULTI is integer representatin |
| 64 |
* (float to int), MULTF is float, for going from int to float. |
| 65 |
*/ |
| 66 |
#define FLOAT_MULTI 100000 |
| 67 |
#define FLOAT_MULTF 100000.0 |
| 68 |
|
| 69 |
/* ID's for the various stats that get sent across. */ |
| 70 |
|
| 71 |
#define CS_STAT_HP 1 |
| 72 |
#define CS_STAT_MAXHP 2 |
| 73 |
#define CS_STAT_SP 3 |
| 74 |
#define CS_STAT_MAXSP 4 |
| 75 |
#define CS_STAT_STR 5 |
| 76 |
#define CS_STAT_INT 6 |
| 77 |
#define CS_STAT_WIS 7 |
| 78 |
#define CS_STAT_DEX 8 |
| 79 |
#define CS_STAT_CON 9 |
| 80 |
#define CS_STAT_CHA 10 |
| 81 |
#define CS_STAT_EXP 11 |
| 82 |
#define CS_STAT_LEVEL 12 |
| 83 |
#define CS_STAT_WC 13 |
| 84 |
#define CS_STAT_AC 14 |
| 85 |
#define CS_STAT_DAM 15 |
| 86 |
#define CS_STAT_ARMOUR 16 |
| 87 |
#define CS_STAT_SPEED 17 |
| 88 |
#define CS_STAT_FOOD 18 |
| 89 |
#define CS_STAT_WEAP_SP 19 |
| 90 |
#define CS_STAT_RANGE 20 |
| 91 |
#define CS_STAT_TITLE 21 |
| 92 |
#define CS_STAT_POW 22 |
| 93 |
#define CS_STAT_GRACE 23 |
| 94 |
#define CS_STAT_MAXGRACE 24 |
| 95 |
#define CS_STAT_FLAGS 25 |
| 96 |
#define CS_STAT_WEIGHT_LIM 26 |
| 97 |
#define CS_STAT_EXP64 28 |
| 98 |
#define CS_STAT_SPELL_ATTUNE 29 |
| 99 |
#define CS_STAT_SPELL_REPEL 30 |
| 100 |
#define CS_STAT_SPELL_DENY 31 |
| 101 |
|
| 102 |
/* Start & end of resistances, inclusive. */ |
| 103 |
#define CS_STAT_RESIST_START 100 |
| 104 |
#define CS_STAT_RESIST_END 117 |
| 105 |
#define CS_STAT_RES_PHYS 100 |
| 106 |
#define CS_STAT_RES_MAG 101 |
| 107 |
#define CS_STAT_RES_FIRE 102 |
| 108 |
#define CS_STAT_RES_ELEC 103 |
| 109 |
#define CS_STAT_RES_COLD 104 |
| 110 |
#define CS_STAT_RES_CONF 105 |
| 111 |
#define CS_STAT_RES_ACID 106 |
| 112 |
#define CS_STAT_RES_DRAIN 107 |
| 113 |
#define CS_STAT_RES_GHOSTHIT 108 |
| 114 |
#define CS_STAT_RES_POISON 109 |
| 115 |
#define CS_STAT_RES_SLOW 110 |
| 116 |
#define CS_STAT_RES_PARA 111 |
| 117 |
#define CS_STAT_TURN_UNDEAD 112 |
| 118 |
#define CS_STAT_RES_FEAR 113 |
| 119 |
#define CS_STAT_RES_DEPLETE 114 |
| 120 |
#define CS_STAT_RES_DEATH 115 |
| 121 |
#define CS_STAT_RES_HOLYWORD 116 |
| 122 |
#define CS_STAT_RES_BLIND 117 |
| 123 |
|
| 124 |
/* Start & end of skill experience + skill level, inclusive. */ |
| 125 |
#define CS_STAT_SKILLEXP_START 118 |
| 126 |
#define CS_STAT_SKILLEXP_END 129 |
| 127 |
#define CS_STAT_SKILLEXP_AGILITY 118 |
| 128 |
#define CS_STAT_SKILLEXP_AGLEVEL 119 |
| 129 |
#define CS_STAT_SKILLEXP_PERSONAL 120 |
| 130 |
#define CS_STAT_SKILLEXP_PELEVEL 121 |
| 131 |
#define CS_STAT_SKILLEXP_MENTAL 122 |
| 132 |
#define CS_STAT_SKILLEXP_MELEVEL 123 |
| 133 |
#define CS_STAT_SKILLEXP_PHYSIQUE 124 |
| 134 |
#define CS_STAT_SKILLEXP_PHLEVEL 125 |
| 135 |
#define CS_STAT_SKILLEXP_MAGIC 126 |
| 136 |
#define CS_STAT_SKILLEXP_MALEVEL 127 |
| 137 |
#define CS_STAT_SKILLEXP_WISDOM 128 |
| 138 |
#define CS_STAT_SKILLEXP_WILEVEL 129 |
| 139 |
|
| 140 |
/* CS_STAT_SKILLINFO is used as the starting index point. Skill number->name |
| 141 |
* map is generated dynamically for the client, so a bunch of entries will |
| 142 |
* be used here. CS_NUM_SKILLS does not match how many skills there really |
| 143 |
* are - instead, it is used as a range of values so that the client |
| 144 |
* can have some idea how many skill categories there may be. |
| 145 |
*/ |
| 146 |
#define CS_STAT_SKILLINFO 140 |
| 147 |
#define CS_NUM_SKILLS 50 |
| 148 |
|
| 149 |
/* These are used with CS_STAT_FLAGS above to communicate S->C what the |
| 150 |
* server thinks the fireon & runon states are. |
| 151 |
*/ |
| 152 |
#define SF_FIREON 0x01 |
| 153 |
#define SF_RUNON 0x02 |
| 154 |
|
| 155 |
/* Flags for the item command */ |
| 156 |
enum {a_none, a_readied, a_wielded, a_worn, a_active, a_applied}; |
| 157 |
|
| 158 |
#define F_APPLIED 0x000F |
| 159 |
#define F_LOCATION 0x00F0 |
| 160 |
#define F_UNPAID 0x0200 |
| 161 |
#define F_MAGIC 0x0400 |
| 162 |
#define F_CURSED 0x0800 |
| 163 |
#define F_DAMNED 0x1000 |
| 164 |
#define F_OPEN 0x2000 |
| 165 |
#define F_NOPICK 0x4000 |
| 166 |
#define F_LOCKED 0x8000 |
| 167 |
|
| 168 |
#define CF_FACE_NONE 0 |
| 169 |
#define CF_FACE_BITMAP 1 |
| 170 |
#define CF_FACE_XPM 2 |
| 171 |
#define CF_FACE_PNG 3 |
| 172 |
#define CF_FACE_CACHE 0x10 |
| 173 |
|
| 174 |
/* Used in the new_face structure on the magicmap field. Low bits |
| 175 |
* are color informatin. For now, only high bit information we need |
| 176 |
* is floor information. |
| 177 |
*/ |
| 178 |
#define FACE_FLOOR 0x80 |
| 179 |
#define FACE_WALL 0x40 /* Or'd into the color value by the server |
| 180 |
* right before sending. |
| 181 |
*/ |
| 182 |
#define FACE_COLOR_MASK 0xf |
| 183 |
|
| 184 |
#define UPD_LOCATION 0x01 |
| 185 |
#define UPD_FLAGS 0x02 |
| 186 |
#define UPD_WEIGHT 0x04 |
| 187 |
#define UPD_FACE 0x08 |
| 188 |
#define UPD_NAME 0x10 |
| 189 |
#define UPD_ANIM 0x20 |
| 190 |
#define UPD_ANIMSPEED 0x40 |
| 191 |
#define UPD_NROF 0x80 |
| 192 |
|
| 193 |
/* The flag values sent by the updspell command */ |
| 194 |
#define UPD_SP_MANA 0x01 |
| 195 |
#define UPD_SP_GRACE 0x02 |
| 196 |
#define UPD_SP_DAMAGE 0x04 |
| 197 |
|
| 198 |
#define SOUND_NORMAL 0 |
| 199 |
#define SOUND_SPELL 1 |
| 200 |
|
| 201 |
//-GPL |
| 202 |
|
| 203 |
struct data |
| 204 |
{ |
| 205 |
unsigned int len; |
| 206 |
const void *ptr; |
| 207 |
|
| 208 |
data (const void *ptr, int len) : len (len), ptr (ptr) { } |
| 209 |
data (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { } |
| 210 |
data (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { } |
| 211 |
data (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { } |
| 212 |
}; |
| 213 |
|
| 214 |
struct data8 |
| 215 |
{ |
| 216 |
unsigned int len; |
| 217 |
const void *ptr; |
| 218 |
|
| 219 |
data8 (const void *ptr, int len) : len (len), ptr (ptr) { } |
| 220 |
data8 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { } |
| 221 |
data8 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { } |
| 222 |
data8 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { } |
| 223 |
}; |
| 224 |
|
| 225 |
struct data16 |
| 226 |
{ |
| 227 |
unsigned int len; |
| 228 |
const void *ptr; |
| 229 |
|
| 230 |
data16 (const void *ptr, int len) : len (len), ptr (ptr) { } |
| 231 |
data16 (const char *str) : len (strlen (str ? str : 0)), ptr ((void *)str) { } |
| 232 |
data16 (shstr_tmp sh) : len (sh.length ()), ptr ((void *)&sh) { } |
| 233 |
data16 (dynbuf &buf) : len (buf.size ()), ptr (buf.linearise ()) { } |
| 234 |
}; |
| 235 |
|
| 236 |
struct ber32 |
| 237 |
{ |
| 238 |
enum { size = 5 }; // maximum length of an encoded ber32 |
| 239 |
uint32 val; |
| 240 |
|
| 241 |
ber32 (uint32 val) : val (val) { } |
| 242 |
|
| 243 |
static int encoded_size (uint32 val) |
| 244 |
{ |
| 245 |
if (val >= (1 << 7*4)) return 5; |
| 246 |
if (val >= (1 << 7*3)) return 4; |
| 247 |
if (val >= (1 << 7*2)) return 3; |
| 248 |
if (val >= (1 << 7*1)) return 2; |
| 249 |
return 1; |
| 250 |
} |
| 251 |
}; |
| 252 |
|
| 253 |
/* Contains the base information we use to make up a packet we want to send. */ |
| 254 |
struct packet |
| 255 |
{ |
| 256 |
enum { bufsize = MAXSOCKBUF }; |
| 257 |
enum { hdrlen = 2 }; // keep this many bytes free at the front |
| 258 |
|
| 259 |
// strategy: only check on variable-length adds |
| 260 |
// and allow 256 bytes for any headers. |
| 261 |
uint8 *cur; |
| 262 |
uint8 buf_ [hdrlen + bufsize + 256]; |
| 263 |
|
| 264 |
packet () |
| 265 |
{ |
| 266 |
reset (); |
| 267 |
} |
| 268 |
|
| 269 |
packet (const char *name); |
| 270 |
|
| 271 |
uint8 operator [](unsigned int i) const { return buf_ [i + hdrlen]; } |
| 272 |
uint8 &operator [](unsigned int i) { return buf_ [i + hdrlen]; } |
| 273 |
|
| 274 |
uint8 *buf () { return buf_ + hdrlen; } |
| 275 |
const uint8 *buf () const { return buf_ + hdrlen; } |
| 276 |
|
| 277 |
void reset (int offset = 0) { cur = buf () + offset; } |
| 278 |
int length () const { return cur - buf (); } |
| 279 |
int room () { return bufsize - (cur - buf ()); } |
| 280 |
|
| 281 |
// unchecked |
| 282 |
packet &operator <<(uint8 v) { *cur++ = v; return *this; } |
| 283 |
|
| 284 |
packet &operator <<(uint16 v) { return *this << uint8 (v >> 8) << uint8 (v); } |
| 285 |
packet &operator <<(uint32 v) { return *this << uint16 (v >> 16) << uint16 (v); } |
| 286 |
packet &operator <<(uint64 v) { return *this << uint32 (v >> 32) << uint32 (v); } |
| 287 |
|
| 288 |
packet &operator <<(sint8 v) { return *this << (uint8 )v; } |
| 289 |
packet &operator <<(sint16 v) { return *this << (uint16)v; } |
| 290 |
packet &operator <<(sint32 v) { return *this << (uint32)v; } |
| 291 |
packet &operator <<(sint64 v) { return *this << (uint64)v; } |
| 292 |
|
| 293 |
// checked |
| 294 |
packet &operator <<(const ber32 v); |
| 295 |
|
| 296 |
packet &operator <<(const data &v); |
| 297 |
packet &operator <<(const data8 &v); |
| 298 |
packet &operator <<(const data16 &v); |
| 299 |
|
| 300 |
packet &operator <<(const char *v); |
| 301 |
packet &operator <<(shstr_tmp sh) { return *this << data (sh); } |
| 302 |
packet &operator <<(const std::string &s) { return *this << data (s.data (), s.size ()); } |
| 303 |
|
| 304 |
void vprintf (const char *format, va_list ap); |
| 305 |
|
| 306 |
void printf (const char *format, ...) |
| 307 |
{ |
| 308 |
va_list ap; |
| 309 |
va_start (ap, format); |
| 310 |
vprintf (format, ap); |
| 311 |
va_end (ap); |
| 312 |
} |
| 313 |
}; |
| 314 |
|
| 315 |
inline uint16 net_uint16 (uint8 *data) { return (data [0] << 8) | data [1]; } |
| 316 |
inline uint32 net_uint32 (uint8 *data) { return (net_uint16 (data) << 16) | net_uint16 (data + 2); } |
| 317 |
inline sint16 net_sint16 (uint8 *data) { return sint16 (net_uint16 (data)); } |
| 318 |
inline sint16 net_sint32 (uint8 *data) { return sint32 (net_uint32 (data)); } |
| 319 |
|
| 320 |
#endif |
| 321 |
|
