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Comparing deliantra/server/include/client.h (file contents):
Revision 1.68 by root, Mon Oct 1 01:09:10 2007 UTC vs.
Revision 1.113 by root, Thu Nov 15 04:50:50 2012 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 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 * 5 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 20 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 21 */
23 22
24#ifndef CLIENT_H 23#ifndef CLIENT_H
25#define CLIENT_H 24#define CLIENT_H
26
27#include <deque>
28#include <bitset>
29#include <tr1/unordered_set>
30 25
31#if HAVE_TCP_INFO 26#if HAVE_TCP_INFO
32# include <netinet/tcp.h> 27# include <netinet/tcp.h>
33#else 28#else
34 struct tcpi_info { 29 struct tcp_info {
35 // dummy 30 // dummy
36 char tcpi_state; 31 int tcpi_state;
37 char tcpi_ca_state; 32 int tcpi_ca_state;
38 char tcpi_retransmits; 33 int tcpi_retransmits;
39 char tcpi_probes; 34 int tcpi_probes;
40 char tcpi_backoff; 35 int tcpi_backoff;
41 char tcpi_options; 36 int tcpi_options;
42 char tcpi_snd_wscale; 37 int tcpi_snd_wscale;
43 char tcpi_rcv_wscale; 38 int tcpi_rcv_wscale;
44 char tcpi_rto; 39 int tcpi_rto;
45 char tcpi_ato; 40 int tcpi_ato;
46 char tcpi_snd_mss; 41 int tcpi_snd_mss;
47 char tcpi_rcv_mss; 42 int tcpi_rcv_mss;
48 char tcpi_unacked; 43 int tcpi_unacked;
49 char tcpi_sacked; 44 int tcpi_sacked;
50 char tcpi_lost; 45 int tcpi_lost;
51 char tcpi_retrans; 46 int tcpi_retrans;
52 char tcpi_fackets; 47 int tcpi_fackets;
53 char tcpi_last_data_sent; 48 int tcpi_last_data_sent;
54 char tcpi_last_ack_sent; 49 int tcpi_last_ack_sent;
55 char tcpi_last_data_recv; 50 int tcpi_last_data_recv;
56 char tcpi_last_ack_recv; 51 int tcpi_last_ack_recv;
57 char tcpi_pmtu; 52 int tcpi_pmtu;
58 char tcpi_rcv_ssthresh; 53 int tcpi_rcv_ssthresh;
59 char tcpi_rtt; 54 int tcpi_rtt;
60 char tcpi_rttvar; 55 int tcpi_rttvar;
61 char tcpi_snd_ssthresh; 56 int tcpi_snd_ssthresh;
62 char tcpi_snd_cwnd; 57 int tcpi_snd_cwnd;
63 char tcpi_advmss; 58 int tcpi_advmss;
64 char tcpi_reordering; 59 int tcpi_reordering;
65 }; 60 };
66#endif 61#endif
67 62
63//+GPL
64
68// (possibly) max. number of objects "per page" in the ground container 65// (possibly) max. number of objects "per page" in the ground container
69#define FLOORBOX_PAGESIZE 50 66#define FLOORBOX_PAGESIZE 50
70 67
71struct MapCell 68struct MapCell
72{ 69{
73 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 70 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
74 int count; /* This is really darkness in the map1 command */ 71 int count; /* This is really darkness in the map1 command */
75 faceidx faces[MAP_LAYERS]; 72 faceidx faces[MAP_LAYERS];
76 unsigned char stat_hp; // health of something in this space, or 0 73 unsigned char stat_hp; // health of something in this space, or 0
77 unsigned char flags; 74 unsigned char flags;
78 uint8_t smooth[MAP_LAYERS]; 75 uint8_t smooth[MAP_LAYERS];
… …
91 88
92struct statsinfo 89struct statsinfo
93{ 90{
94 char *range, *title; 91 char *range, *title;
95}; 92};
96
97/* This contains basic information on the socket structure. status is its
98 * current state. we set up our on buffers for sending/receiving, so we can
99 * handle some higher level functions. fd is the actual file descriptor we
100 * are using.
101 */
102
103/* Only one map mode can actually be used, so lets make it a switch
104 * instead of having a bunch of different fields that needed to
105 * get toggled.
106 */
107enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
108 93
109// states the socket can be in 94// states the socket can be in
110enum { 95enum {
111 ST_DEAD, // socket is dead 96 ST_DEAD, // socket is dead
112 ST_SETUP, // initial handshake / setup / login 97 ST_SETUP, // initial handshake / setup / login
… …
116 ST_GET_PARTY_PASSWORD, 101 ST_GET_PARTY_PASSWORD,
117}; 102};
118 103
119// a handler for a specific type of packet 104// a handler for a specific type of packet
120enum { 105enum {
121 PF_PLAYER = 0x01, // must have valid player / will by synchronised 106 PF_PLAYER = 0x01, // must have valid player / will by synchronised
122 PF_PLAYING = 0x02, // must be in playing state 107 PF_PLAYING = 0x02, // must be in playing state
123 PF_COMMAND0 = 0x04, // command starts at offset 0 108 PF_COMMAND = 0x04, // is a suer command
124 PF_COMMAND6 = 0x08, // command starts at offset 6
125}; 109};
126 110
127// face type.s bit 0 means "has meta info prepended" 111// face types. bit 0 means "has meta info prepended"
128enum { 112enum {
129 FT_FACE = 0 * 2 + 0, // faces (images) 113 FT_IMAGE = 0 * 2 + 0, // images
130 FT_MUSIC = 1 * 2 + 1, // background music 114 FT_MUSIC = 1 * 2 + 1, // background music
131 FT_SOUND = 2 * 2 + 1, // effects 115 FT_SOUND = 2 * 2 + 1, // effects
132 FT_RSRC = 3 * 2 + 0, // generic data files 116 FT_RSRC = 3 * 2 + 0, // generic data files
133 FT_NUM, 117 FT_NUM,
134}; 118};
… …
144{ 128{
145 tstamp stamp; 129 tstamp stamp;
146 const packet_type *handler; 130 const packet_type *handler;
147 char *data; 131 char *data;
148 int datalen; 132 int datalen;
149
150 ~command ()
151 {
152 sfree<char> (data, datalen + 1);
153 }
154}; 133};
134
135//-GPL
155 136
156/* how many times we are allowed to give the wrong password before being kicked. */ 137/* how many times we are allowed to give the wrong password before being kicked. */
157#define MAX_PASSWORD_FAILURES 5 138#define MAX_PASSWORD_FAILURES 5
158 139
140/* This contains basic information on the socket connection. status is its
141 * current state. we set up our on buffers for sending/receiving, so we can
142 * handle some higher level functions. fd is the actual file descriptor we
143 * are using.
144 */
159INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player 145INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
160struct client : zero_initialised, attachable 146struct client : zero_initialised, attachable
161{ 147{
162 int ACC (RW, fd); 148 int ACC (RW, fd);
163 unsigned int inbuf_len; // number of bytes valid in inbuf 149 unsigned int inbuf_len; // number of bytes valid in inbuf
164 statsinfo stats; 150 statsinfo stats;
165 object_vector_index ACC (RO, active); 151 object_vector_index ACC (RO, active);
166 player_ptr ACC (RO, pl); 152 player_ptr ACC (RO, pl);
167
168 /* The following is the setup for a ring buffer for storing output
169 * data that the OS can't handle right away.
170 */
171 struct
172 {
173 char data[SOCKETBUFSIZE];
174 int start;
175 int len;
176 } outputbuffer;
177 153
178 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 154 char *ACC (RW, host); /* Which host it is connected from (ip address) */
179 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 155 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
180 156
181 sint8 ACC (RW, last_level); /* Last level we sent to client */ 157 sint8 ACC (RW, last_level); /* Last level we sent to client */
… …
187 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ 163 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
188 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ 164 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
189 living ACC (RO, last_stats); /* Last stats as sent to client */ 165 living ACC (RO, last_stats); /* Last stats as sent to client */
190 float ACC (RW, last_speed); /* Last speed as sent to client */ 166 float ACC (RW, last_speed); /* Last speed as sent to client */
191 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ 167 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
192 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ 168 sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */
193
194 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
195 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
196 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
197 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
198 169
199 bool ACC (RW, afk); /* player is afk */ 170 bool ACC (RW, afk); /* player is afk */
200 bool ACC (RW, facecache); /* If true, client is caching images */
201 bool ACC (RW, sent_scroll); 171 bool ACC (RW, sent_scroll);
202 bool ACC (RW, sound); /* does the client want sound */ 172 bool ACC (RW, sound); /* does the client want sound */
203 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 173 bool ACC (RW, bumpmsg); /* give message when bumping into walls */
174
204 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ 175 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
205 bool ACC (RW, mapinfocmd); // return map info and send map change info 176 bool ACC (RW, mapinfocmd); // return map info and send map change info
206 uint8_t ACC (RW, extcmd); // call into extensions/plugins 177 uint8 ACC (RW, extcmd); // call into extensions/plugins
207 bool ACC (RW, extmap); // extend map comamnd with extra data 178 bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */
208 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls 179
209 bool ACC (RW, darkness); /* True if client wants darkness information */
210 bool ACC (RW, image2); /* Client wants image2/face2 commands */
211 uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
212 bool ACC (RW, update_look); /* If true, we need to send the look window */ 180 bool ACC (RW, update_look); /* If true, we need to send the look window */
181 bool ACC (RW, update_spells); // If true, we need to esrv_update_spells
213 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 182 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
214 /* used to arrange text in books, scrolls, or scripted dialogs */
215 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 183 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
216 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ 184
217 /* Below are flags for extedend infos to pass to client
218 * with S->C mapextended command */
219 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
220 bool ACC (RW, smoothing); // trt-style smoothing 185 bool ACC (RW, smoothing); // deliantra-style smoothing
221 bool ACC (RW, can_msg); // trt-style text messages
222
223 bool ACC (RW, force_newmap); // force a newmap before next map update 186 bool ACC (RW, force_newmap); // force a newmap before next map update
224 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
225 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
226 uint16 ACC (RW, look_position); /* start of drawing of look window */ 187 uint16 ACC (RW, look_position); /* start of drawing of look window */
227 uint16 ACC (RW, mss); // likely tcp maximum segment size 188 uint16 ACC (RW, mss); // likely tcp maximum segment size
228 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
229 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 189 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
230 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 190 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
191 uint8 ACC (RW, tileset); // selected tileset
192 uint8 ACC (RW, ws_version); // websocket protocol versio for framing
231 193
232 maptile *ACC (RW, current_map); // CF+ last/current player map 194 maptile_ptr ACC (RW, current_map); // last/current player map
233 region *ACC (RW, current_region); // CF+ last/current player region 195 region_ptr ACC (RW, current_region); // last/current player region
234 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 196 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
235 shstr ACC (RW, version); // CF+ client name/version
236 uint8 ACC (RW, faceset); // CF+ selected faceset
237 197
238 tstamp ACC (RW, last_send); // last data send on socket. 198 tstamp ACC (RW, last_send); // last data send on socket.
239 199
200 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
240 int ACC (RW, rate_avail); // current rate balance 201 int ACC (RW, rate_avail); // current rate balance
241 int ACC (RW, max_rate); // max. # of bytes to send per tick 202 int ACC (RW, max_rate); // max. # of bytes to send per tick
242 faceidx ACC (RW, scrub_idx); // which face to send next 203 faceidx ACC (RW, scrub_idx); // which face to send next
243 int ACC (RW, bg_scrub); // how many ticks till the next background face send 204 int ACC (RW, bg_scrub); // how many ticks till the next background face send
244 205
245 struct tcp_info tcpi; 206 struct tcp_info tcpi;
246 tstamp next_rate_adjust; 207 tstamp next_rate_adjust;
247 208
209 // websocket frame buffer
210 uint8 ws_inbuf_type; // current frame type
211 uint8 *ws_inbuf;
212 uint32 ws_inbuf_len;
213 uint32 ws_inbuf_alloc;
214
248 unordered_vector<char *> mapinfo_queue; 215 unordered_vector<char *> mapinfo_queue;
249 void mapinfo_queue_clear (); 216 void mapinfo_queue_clear ();
250 void mapinfo_queue_run (); 217 void mapinfo_queue_run ();
251 bool mapinfo_try (char *buf); 218 bool mapinfo_try (char *buf);
252 219
253 struct ixsend { 220 struct ixsend {
254 int16_t pri; // unused 221 sint16 pri; // higher means faces are sent earlier, default 0
255 faceidx idx; 222 faceidx idx;
256 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face 223 uint32 ofs; // if != 0, need to send remaining bytes of partial_face
224 uint8 *data;
225 SV *data_sv;
257 }; 226 };
258 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix 227 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
228 MTH void ix_send (faceidx idx, sint16 pri, SV *data_sv); // keeps a copy of data_sv
229 void ix_pop (); // pops topmost ixsend
259 230
260 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx 231 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
261 MTH void flush_fx (); // send fx if required 232 MTH void flush_fx (); // send fx if required
262 233
234 MTH void invalidate_face (faceidx idx);
235 MTH void invalidate_all_faces ();
236
263 void do_destroy (); 237 void do_destroy ();
264 void gather_callbacks (AV *&callbacks, event_type event) const; 238 void gather_callbacks (AV *&callbacks, event_type event) const;
265 239
266 iow socket_ev; void socket_cb (iow &w, int got); 240 iow socket_ev; void socket_cb (iow &w, int revents);
267 241
268 std::deque< command, slice_allocator<command> > cmd_queue; 242 std::deque< command, slice_allocator<command> > cmd_queue;
269 243
270 // large structures at the end please 244 // large structures at the end please
271 struct Map lastmap; 245 struct Map lastmap;
… …
274 std::bitset<FT_NUM> fx_want; 248 std::bitset<FT_NUM> fx_want;
275 249
276 // if we get an incomplete packet, this is used to hold the data. 250 // if we get an incomplete packet, this is used to hold the data.
277 // we add 2 byte for the header, one for the trailing 0 byte 251 // we add 2 byte for the header, one for the trailing 0 byte
278 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 252 uint8 inbuf[MAXSOCKBUF + 2 + 1];
253 void inbuf_handle ();
279 254
280 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; 255 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
281 struct msg_buf 256 struct msg_buf
282 { 257 {
283 tick_t expire; 258 tick_t expire;
284 int len; 259 int len;
285 int count; 260 int count;
286 char msg[MSG_BUF_SIZE]; 261 char msg[MSG_BUF_SIZE];
287 } msgbuf[MSG_BUF_COUNT]; 262 } msgbuf[MSG_BUF_COUNT];
288 263
289 MTH bool msg_suppressed (const char *msg); 264 MTH bool msg_suppressed (const_utf8_string msg);
265
266 /* The following is the setup for a ring buffer for storing output
267 * data that the OS can't handle right away.
268 * TODO: this member is enourmously large - optimise?
269 */
270 struct
271 {
272 char data[SOCKETBUFSIZE];
273 int start;
274 int len;
275 } outputbuffer;
290 276
291 bool may_execute (const packet_type *pkt) const; 277 bool may_execute (const packet_type *pkt) const;
292 void execute (const packet_type *pkt, char *data, int datalen); 278 void execute (const packet_type *pkt, char *data, int datalen);
293 279
294 void queue_command (packet_type *handler, char *data, int datalen); 280 void queue_command (packet_type *handler, char *data, int datalen);
… …
303 void skip_packet (int len); // we have processed the packet, skip it 289 void skip_packet (int len); // we have processed the packet, skip it
304 290
305 MTH void flush (); 291 MTH void flush ();
306 MTH void write_outputbuffer (); 292 MTH void write_outputbuffer ();
307 MTH int outputbuffer_len () const { return outputbuffer.len; } 293 MTH int outputbuffer_len () const { return outputbuffer.len; }
294 void send_raw (void *buf_, int len);
295
308 void send (void *buf_, int len); 296 void send (void *buf_, int len);
309
310 void send_packet (const char *buf); 297 void send_packet (const_octet_string buf);
311 void send_packet (const char *buf, int len); 298 void send_packet (const_octet_string buf, int len);
312 void send_packet_printf (const char *format, ...); 299 void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3)));
313 void send_packet (packet &sl); 300 void send_packet (packet &sl);
314 301
315 void send_drawinfo (const char *msg, int flags = NDI_BLACK); 302 void send_drawinfo (const_utf8_string msg, int flags = NDI_BLACK);
316 303
317 MTH void send_face (faceidx facenum, int pri = 0); 304 MTH void send_face (faceidx facenum, int pri = 0);
318 MTH void send_image (faceidx facenum);
319 MTH void send_faces (object *ob); 305 MTH void send_faces (object *ob);
320 MTH void send_animation (short anim_num); 306 MTH void send_animation (short anim_num);
321 void send_msg (int color, const char *type, const char *msg); 307 void send_msg (int color, const_utf8_string type, const_utf8_string msg);
322 308
323 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0); 309 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
324 // called when something under the player changes 310 // called when something under the player changes
325 MTH void floorbox_update () { update_look = 1; } 311 MTH void floorbox_update () { update_look = 1; }
326 // called when the player has been moved 312 // called when the player has been moved
… …
329 MTH void tick (); // called every server tick to do housekeeping etc. 315 MTH void tick (); // called every server tick to do housekeeping etc.
330 316
331 MTH static client *create (int fd, const char *peername); 317 MTH static client *create (int fd, const char *peername);
332 MTH static void clock (); 318 MTH static void clock ();
333 MTH static void flush_sockets (); 319 MTH static void flush_sockets ();
320
321 MTH void run (); // start handshake after init
334 322
335protected: 323protected:
336 client (int fd, const char *from_ip); 324 client (int fd, const char *from_ip);
337 ~client (); 325 ~client ();
338}; 326};
… …
367 ACC (RW, tcpi.tcpi_snd_cwnd); 355 ACC (RW, tcpi.tcpi_snd_cwnd);
368 ACC (RW, tcpi.tcpi_advmss); 356 ACC (RW, tcpi.tcpi_advmss);
369 ACC (RW, tcpi.tcpi_reordering); 357 ACC (RW, tcpi.tcpi_reordering);
370#endif 358#endif
371 359
372#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
373 ( ((__type)>0) &&\
374 ((__sockPtr)->has_readable_type) && \
375 ((__sockPtr)->supported_readables & (1<<(__type))) )
376
377/* Constants in the form EMI_ is for extended map infos.
378 * Even if the client select the additionnal infos it wants
379 * on the map, there may exist cases where this whole info
380 * is not given in one buch but in separate bunches. This
381 * is done performance reasons (imagine some info related to
382 * a visible object and another info related to a 4 square
383 * width and height area). At the begin of an extended info packet
384 * is a bit field. A bit is activated for each extended info
385 * present in the data
386 */
387
388/* Meanings:
389 * EMI_NOREDRAW Take extended infos into account but don't redraw,
390 * some additionnal datas will follow in a new packet
391 * EMI_SMOOTH Datas about smoothing
392 */
393#define EMI_NOREDRAW 0x01
394#define EMI_SMOOTH 0x02
395
396/* this last one says the bitfield continue un next byte
397 * There may be several on contiguous bytes. So there is 7
398 * actual bits used per byte, and the number of bytes
399 * is not fixed in protocol
400 */
401#define EMI_HASMOREBITS 0x80
402
403#define FACE_TYPES 1
404#define PNG_FACE_INDEX 0
405
406#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
407#define VERSION_SC 1026
408//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
409#define VERSION_INFO "Crossfire TRT Server"
410
411typedef object_vector<client, &client::active> sockvec; 360typedef object_vector<client, &client::active> sockvec;
412 361
413extern sockvec clients; 362extern sockvec clients;
414 363
415#define for_all_clients(var) \ 364#define for_all_clients(var) \
416 for (int _i = 0; _i < clients.size (); ++_i) \ 365 for (int _i = 0; _i < clients.size (); ++_i) \
417 statementvar (client *, var, clients [_i]) 366 statementvar (client *, var, clients [_i])
418 367
368// returns true when the message needs special (read: perl) treatment
369static inline bool
370msg_is_special (const_any_string msg, bool nl_special = true)
371{
372 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
373}
374
419#endif 375#endif
420 376

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