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Comparing deliantra/server/include/client.h (file contents):
Revision 1.22 by root, Tue Dec 26 05:44:14 2006 UTC vs.
Revision 1.111 by root, Sun Nov 11 04:29:11 2012 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 Copyright (C) 1992 Frank Tore Johansen 5 *
6 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 This program is free software; you can redistribute it and/or modify
8 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
9 the Free Software Foundation; either version 2 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 9 * option) any later version.
11 10 *
12 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,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 14 * GNU General Public License for more details.
16 15 *
17 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
18 along with this program; if not, write to the Free Software 17 * and the GNU General Public License along with this program. If not, see
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 * <http://www.gnu.org/licenses/>.
20 19 *
21 The author 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 25
27#include <deque> 26#if HAVE_TCP_INFO
28#include <bitset> 27# include <netinet/tcp.h>
29#include <tr1/unordered_set> 28#else
29 struct tcp_info {
30 // dummy
31 int tcpi_state;
32 int tcpi_ca_state;
33 int tcpi_retransmits;
34 int tcpi_probes;
35 int tcpi_backoff;
36 int tcpi_options;
37 int tcpi_snd_wscale;
38 int tcpi_rcv_wscale;
39 int tcpi_rto;
40 int tcpi_ato;
41 int tcpi_snd_mss;
42 int tcpi_rcv_mss;
43 int tcpi_unacked;
44 int tcpi_sacked;
45 int tcpi_lost;
46 int tcpi_retrans;
47 int tcpi_fackets;
48 int tcpi_last_data_sent;
49 int tcpi_last_ack_sent;
50 int tcpi_last_data_recv;
51 int tcpi_last_ack_recv;
52 int tcpi_pmtu;
53 int tcpi_rcv_ssthresh;
54 int tcpi_rtt;
55 int tcpi_rttvar;
56 int tcpi_snd_ssthresh;
57 int tcpi_snd_cwnd;
58 int tcpi_advmss;
59 int tcpi_reordering;
60 };
61#endif
62
63//+GPL
30 64
31// (possibly) max. number of objects "per page" in the ground container 65// (possibly) max. number of objects "per page" in the ground container
32#define FLOORBOX_PAGESIZE 50 66#define FLOORBOX_PAGESIZE 50
33 67
34struct MapCell 68struct MapCell
35{ 69{
36 UUID 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
37 int count; /* This is really darkness in the map1 command */ 71 int count; /* This is really darkness in the map1 command */
38 uint16 faces[MAP_LAYERS]; 72 faceidx faces[MAP_LAYERS];
39 uint16 smooth[MAP_LAYERS];
40 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
41 unsigned char flags; 74 unsigned char flags;
75 uint8_t smooth[MAP_LAYERS];
42}; 76};
43 77
44/* This basically defines the largest size an
45 * archetype may be - it is used for allocation of
46 * some structures, as well as determining how far
47 * we should look for the heads of big images.
48 */
49#define MAX_HEAD_OFFSET 8
50
51#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 78#define MAX_CLIENT_X MAP_CLIENT_X
52#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 79#define MAX_CLIENT_Y MAP_CLIENT_Y
53 80
54struct Map 81struct Map
55{ 82{
56 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 83 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
57}; 84};
58 85
59/* True max is 16383 given current map compaction method */ 86/* True max is 16383 given current map compaction method */
60# define MAXANIMNUM 2000 87#define MAXANIMNUM 10000
61 88
62struct statsinfo 89struct statsinfo
63{ 90{
64 char *range, *title; 91 char *range, *title;
65};
66
67/* This contains basic information on the socket structure. status is its
68 * current state. we set up our on buffers for sending/receiving, so we can
69 * handle some higher level functions. fd is the actual file descriptor we
70 * are using.
71 */
72
73/* Only one map mode can actually be used, so lets make it a switch
74 * instead of having a bunch of different fields that needed to
75 * get toggled.
76 */
77enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
78
79/* The following is the setup for a ring buffer for storing output
80 * data that the OS can't handle right away.
81 */
82struct Buffer
83{
84 char data[SOCKETBUFSIZE];
85 int start;
86 int len;
87}; 92};
88 93
89// states the socket can be in 94// states the socket can be in
90enum { 95enum {
91 ST_DEAD, // socket is dead 96 ST_DEAD, // socket is dead
92 ST_SETUP, // initial handshake / setup / login 97 ST_SETUP, // initial handshake / setup / login
93 ST_PLAYING, // logged in an playing 98 ST_PLAYING, // logged in an playing
94 ST_CUSTOM, // waiting for custom reply 99 ST_CUSTOM, // waiting for custom reply
95 100
96 ST_CONFIRM_QUIT,
97 ST_CHANGE_CLASS,
98 ST_GET_PARTY_PASSWORD, 101 ST_GET_PARTY_PASSWORD,
99}; 102};
100 103
101// a handler for a specific type of packet 104// a handler for a specific type of packet
102enum { 105enum {
103 PF_PLAYER = 0x01, // must have valid player / will by synchronised 106 PF_PLAYER = 0x01, // must have valid player / will by synchronised
104 PF_PLAYING = 0x02, // must be in playing state 107 PF_PLAYING = 0x02, // must be in playing state
108 PF_COMMAND0 = 0x04, // command starts at offset 0
109 PF_COMMAND6 = 0x08, // command starts at offset 6
110};
111
112// face types. bit 0 means "has meta info prepended"
113enum {
114 FT_FACE = 0 * 2 + 0, // faces (images)
115 FT_MUSIC = 1 * 2 + 1, // background music
116 FT_SOUND = 2 * 2 + 1, // effects
117 FT_RSRC = 3 * 2 + 0, // generic data files
118 FT_NUM,
105}; 119};
106 120
107struct packet_type 121struct packet_type
108{ 122{
109 const char *name; 123 const char *name;
… …
115{ 129{
116 tstamp stamp; 130 tstamp stamp;
117 const packet_type *handler; 131 const packet_type *handler;
118 char *data; 132 char *data;
119 int datalen; 133 int datalen;
120
121 ~command ()
122 {
123 sfree<char> (data, datalen + 1);
124 }
125}; 134};
126 135
127struct refitem 136//-GPL
128{
129 object_ptr op;
130};
131
132// this represents a container on the client side.
133// right now, there are only ever two of them:
134// the inventory and the floor/open container
135//TODO: unused as of yet
136struct client_container : vector< refitem, slice_allocator<refitem> >
137{
138 client *ns;
139 enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type;
140
141 bool item_changed; // one of the items in here possibly changed
142
143 // for mapspace and container
144 int x, y;
145 maptile *map;
146
147 // for container
148 object *env;
149
150 client_container (client *ns)
151 : ns (ns), type (CC_NONE) { }
152
153 tag_t tag () const;
154
155 inline iterator merge_item (iterator i, object *op);
156
157 void clear ();
158 void update ();
159
160 void set_mapspace (maptile *map, int x, int y);
161 void set_container (object *env);
162};
163 137
164/* how many times we are allowed to give the wrong password before being kicked. */ 138/* how many times we are allowed to give the wrong password before being kicked. */
165#define MAX_PASSWORD_FAILURES 5 139#define MAX_PASSWORD_FAILURES 5
166 140
141/* This contains basic information on the socket connection. status is its
142 * current state. we set up our on buffers for sending/receiving, so we can
143 * handle some higher level functions. fd is the actual file descriptor we
144 * are using.
145 */
167INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player 146INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
168struct client : zero_initialised, attachable 147struct client : zero_initialised, attachable
169{ 148{
170 int ACC (RW, fd); 149 int ACC (RW, fd);
171 unsigned int inbuf_len; // number of bytes valid in inbuf 150 unsigned int inbuf_len; // number of bytes valid in inbuf
172 uint8 *faces_sent; // This is a bitmap on sent face status
173 statsinfo stats; 151 statsinfo stats;
174 152 object_vector_index ACC (RO, active);
175 client_container cc_inv, cc_other; 153 player_ptr ACC (RO, pl);
176 Buffer outputbuffer;
177 154
178 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 155 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 */ 156 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
180 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 157
158 sint8 ACC (RW, last_level); /* Last level we sent to client */
159 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
160 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
161 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
162 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
163 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
164 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
165 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
166 living ACC (RO, last_stats); /* Last stats as sent to client */
167 float ACC (RW, last_speed); /* Last speed as sent to client */
168 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
169 sint64 ACC (RW, last_skill_exp[CS_NUM_SKILLS]);/* shadow register. if != exp. obj update client */
181 170
182 bool ACC (RW, afk); /* player is afk */ 171 bool ACC (RW, afk); /* player is afk */
183 bool ACC (RW, facecache); /* If true, client is caching images */
184 bool ACC (RW, sent_scroll); 172 bool ACC (RW, sent_scroll);
185 bool ACC (RW, sound); /* does the client want sound */ 173 bool ACC (RW, sound); /* does the client want sound */
186 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 174 bool ACC (RW, bumpmsg); /* give message when bumping into walls */
175
187 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 176 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
188 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 177 bool ACC (RW, mapinfocmd); // return map info and send map change info
189 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 178 uint8 ACC (RW, extcmd); // call into extensions/plugins
190 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 179 bool ACC (RW, need_delinv0); /* If true, we need to delinv 0 before sending new floorbox */
191 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 180
192 bool ACC (RW, darkness); /* True if client wants darkness information */
193 bool ACC (RW, image2); /* Client wants image2/face2 commands */
194 bool ACC (RW, update_look); /* If true, we need to send the look window */ 181 bool ACC (RW, update_look); /* If true, we need to send the look window */
182 bool ACC (RW, update_spells); // If true, we need to esrv_update_spells
195 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 183 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
196 /* used to arrange text in books, scrolls, or scripted dialogs */
197 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 184 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
198 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
199 /* Below are flags for extedend infos to pass to client
200 * with S->C mapextended command */
201 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
202 185
203 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 186 bool ACC (RW, smoothing); // deliantra-style smoothing
204 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 187 bool ACC (RW, force_newmap); // force a newmap before next map update
205 enum MapMode mapmode; /* Type of map commands the client wants. */
206 uint16 ACC (RW, look_position); /* start of drawing of look window */ 188 uint16 ACC (RW, look_position); /* start of drawing of look window */
189 uint16 ACC (RW, mss); // likely tcp maximum segment size
207 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 190 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
208 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 191 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
209 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ 192 uint8 ACC (RW, faceset); // CF+ selected faceset
193 uint8 ACC (RW, ws_version); // websocket protocol versio for framing
210 194
211 maptile *ACC (RW, current_map); // CF+ last/current player map 195 maptile_ptr ACC (RW, current_map); // CF+ last/current player map
196 region_ptr ACC (RW, current_region); // CF+ last/current player region
212 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 197 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
213 char ACC (RW, version)[64]; // CF+ client name/version
214 198
215 player_ptr ACC (RO, pl); 199 tstamp ACC (RW, last_send); // last data send on socket.
216 200
217 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 201 float ACC (RW, socket_timeout); /* after how many seconds of no ack do we declare dead */
202 int ACC (RW, rate_avail); // current rate balance
203 int ACC (RW, max_rate); // max. # of bytes to send per tick
204 faceidx ACC (RW, scrub_idx); // which face to send next
205 int ACC (RW, bg_scrub); // how many ticks till the next background face send
206
207 struct tcp_info tcpi;
208 tstamp next_rate_adjust;
209
210 // websocket frame buffer
211 uint8 ws_inbuf_type; // current frame type
212 uint8 *ws_inbuf;
213 uint32 ws_inbuf_len;
214 uint32 ws_inbuf_alloc;
215
216 unordered_vector<char *> mapinfo_queue;
217 void mapinfo_queue_clear ();
218 void mapinfo_queue_run ();
219 bool mapinfo_try (char *buf);
220
221 struct ixsend {
222 sint16 pri; // higher means faces are sent earlier, default 0
223 faceidx idx;
224 uint32 ofs; // if != 0, need to send remaining bytes of partial_face
225 uint8 *data;
226 SV *data_sv;
227 };
228 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
229 MTH void ix_send (faceidx idx, sint16 pri, SV *data_sv); // keeps a copy of data_sv
230 void ix_pop (); // pops topmost ixsend
231
232 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
233 MTH void flush_fx (); // send fx if required
234
235 MTH void invalidate_face (faceidx idx);
236 MTH void invalidate_all_faces ();
218 237
219 void do_destroy (); 238 void do_destroy ();
220 void gather_callbacks (AV *&callbacks, event_type event) const; 239 void gather_callbacks (AV *&callbacks, event_type event) const;
221 240
222 iw cmd_ev; void cmd_cb (iw &w);
223 iow socket_ev; void socket_cb (iow &w, int got); 241 iow socket_ev; void socket_cb (iow &w, int revents);
224 242
225 std::deque< command, slice_allocator<command> > cmd_queue; 243 std::deque< command, slice_allocator<command> > cmd_queue;
226 244
227 // large structures at the end please 245 // large structures at the end please
228 struct Map lastmap; 246 struct Map lastmap;
229 std::bitset<MAXANIMNUM> anims_sent; 247 std::bitset<MAXANIMNUM> anims_sent;
248 std::bitset<MAX_FACES> faces_sent;
249 std::bitset<FT_NUM> fx_want;
250
230 // if we get an incomplete packet, this is used to hold the data. 251 // if we get an incomplete packet, this is used to hold the data.
231 // we add 2 byte for the header, one for the trailing 0 byte 252 // we add 2 byte for the header, one for the trailing 0 byte
232 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 253 uint8 inbuf[MAXSOCKBUF + 2 + 1];
254 void inbuf_handle ();
255
256 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
257 struct msg_buf
258 {
259 tick_t expire;
260 int len;
261 int count;
262 char msg[MSG_BUF_SIZE];
263 } msgbuf[MSG_BUF_COUNT];
264
265 MTH bool msg_suppressed (const_utf8_string msg);
266
267 /* The following is the setup for a ring buffer for storing output
268 * data that the OS can't handle right away.
269 * TODO: this member is enourmously large - optimise?
270 */
271 struct
272 {
273 char data[SOCKETBUFSIZE];
274 int start;
275 int len;
276 } outputbuffer;
233 277
234 bool may_execute (const packet_type *pkt) const; 278 bool may_execute (const packet_type *pkt) const;
235 void execute (const packet_type *pkt, char *data, int datalen); 279 void execute (const packet_type *pkt, char *data, int datalen);
236 280
237 void queue_command (packet_type *handler, char *data, int datalen); 281 void queue_command (packet_type *handler, char *data, int datalen);
238 MTH bool handle_command (); 282 MTH bool handle_command ();
239 // resets movement state 283 // resets movement state
240 MTH void reset_state (); 284 MTH void reset_state ();
285 // resets variable data used to send stat diffs
286 MTH void reset_stats ();
241 287
242 MTH bool handle_packet (); 288 MTH bool handle_packet ();
243 int next_packet (); // returns length of packet or 0 289 int next_packet (); // returns length of packet or 0
244 void skip_packet (int len); // we have processed the packet, skip it 290 void skip_packet (int len); // we have processed the packet, skip it
245 291
246 MTH void flush (); 292 MTH void flush ();
247 MTH void write_outputbuffer (); 293 MTH void write_outputbuffer ();
294 MTH int outputbuffer_len () const { return outputbuffer.len; }
295 void send_raw (void *buf_, int len);
296
248 void send (void *buf_, int len); 297 void send (void *buf_, int len);
249
250 void send_packet (const char *buf); 298 void send_packet (const_octet_string buf);
251 void send_packet (const char *buf, int len); 299 void send_packet (const_octet_string buf, int len);
252 void send_packet_printf (const char *format, ...); 300 void send_packet_printf (const_utf8_string format, ...) attribute ((format (printf, 2, 3)));
253 void send_packet (packet &sl); 301 void send_packet (packet &sl);
254 302
303 void send_drawinfo (const_utf8_string msg, int flags = NDI_BLACK);
304
305 MTH void send_face (faceidx facenum, int pri = 0);
306 MTH void send_faces (object *ob);
307 MTH void send_animation (short anim_num);
308 void send_msg (int color, const_utf8_string type, const_utf8_string msg);
309
310 MTH void play_sound (faceidx sound, int dx = 0, int dy = 0);
255 // called when something under the player changes 311 // called when something under the player changes
256 MTH void floorbox_update () { update_look = 1; } 312 MTH void floorbox_update () { update_look = 1; }
257 // called when the player has been moved 313 // called when the player has been moved
258 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 314 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
259 315
316 MTH void tick (); // called every server tick to do housekeeping etc.
317
260 MTH static client *create (int fd, const char *peername); 318 MTH static client *create (int fd, const char *peername);
319 MTH static void clock ();
320 MTH static void flush_sockets ();
321
322 MTH void run (); // start handshake after init
261 323
262protected: 324protected:
263 client (int fd, const char *from_ip); 325 client (int fd, const char *from_ip);
264 ~client (); 326 ~client ();
265}; 327};
266 328
267#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 329#if FOR_PERL
268 ( ((__type)>0) &&\ 330 ACC (RW, tcpi.tcpi_state);
269 ((__sockPtr)->has_readable_type) && \ 331 ACC (RW, tcpi.tcpi_ca_state);
270 ((__sockPtr)->supported_readables & (1<<(__type))) ) 332 ACC (RW, tcpi.tcpi_retransmits);
333 ACC (RW, tcpi.tcpi_probes);
334 ACC (RW, tcpi.tcpi_backoff);
335 ACC (RW, tcpi.tcpi_options);
336 ACC (RO, tcpi.tcpi_snd_wscale);
337 ACC (RO, tcpi.tcpi_rcv_wscale);
338 ACC (RW, tcpi.tcpi_rto);
339 ACC (RW, tcpi.tcpi_ato);
340 ACC (RW, tcpi.tcpi_snd_mss);
341 ACC (RW, tcpi.tcpi_rcv_mss);
342 ACC (RW, tcpi.tcpi_unacked);
343 ACC (RW, tcpi.tcpi_sacked);
344 ACC (RW, tcpi.tcpi_lost);
345 ACC (RW, tcpi.tcpi_retrans);
346 ACC (RW, tcpi.tcpi_fackets);
347 ACC (RW, tcpi.tcpi_last_data_sent);
348 ACC (RW, tcpi.tcpi_last_ack_sent);
349 ACC (RW, tcpi.tcpi_last_data_recv);
350 ACC (RW, tcpi.tcpi_last_ack_recv);
351 ACC (RW, tcpi.tcpi_pmtu);
352 ACC (RW, tcpi.tcpi_rcv_ssthresh);
353 ACC (RW, tcpi.tcpi_rtt);
354 ACC (RW, tcpi.tcpi_rttvar);
355 ACC (RW, tcpi.tcpi_snd_ssthresh);
356 ACC (RW, tcpi.tcpi_snd_cwnd);
357 ACC (RW, tcpi.tcpi_advmss);
358 ACC (RW, tcpi.tcpi_reordering);
359#endif
271 360
272/* Bitmask for the faces_sent[] array - what 361typedef object_vector<client, &client::active> sockvec;
273 * portion of the face have we sent?
274 */
275#define NS_FACESENT_FACE 0x1
276#define NS_FACESENT_SMOOTH 0x2
277
278/* Constants in the form EMI_ is for extended map infos.
279 * Even if the client select the additionnal infos it wants
280 * on the map, there may exist cases where this whole info
281 * is not given in one buch but in separate bunches. This
282 * is done performance reasons (imagine some info related to
283 * a visible object and another info related to a 4 square
284 * width and height area). At the begin of an extended info packet
285 * is a bit field. A bit is activated for each extended info
286 * present in the data
287 */
288
289/* Meanings:
290 * EMI_NOREDRAW Take extended infos into account but don't redraw,
291 * some additionnal datas will follow in a new packet
292 * EMI_SMOOTH Datas about smoothing
293 */
294#define EMI_NOREDRAW 0x01
295#define EMI_SMOOTH 0x02
296
297/* this last one says the bitfield continue un next byte
298 * There may be several on contiguous bytes. So there is 7
299 * actual bits used per byte, and the number of bytes
300 * is not fixed in protocol
301 */
302#define EMI_HASMOREBITS 0x80
303
304#define FACE_TYPES 1
305#define PNG_FACE_INDEX 0
306
307#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
308#define VERSION_SC 1027
309#define VERSION_INFO "Crossfire+ Server"
310
311typedef unordered_vector<client *> sockvec;
312 362
313extern sockvec clients; 363extern sockvec clients;
314extern int nrofpixmaps; //TODO: hrmpf, should go 364
365#define for_all_clients(var) \
366 for (int _i = 0; _i < clients.size (); ++_i) \
367 statementvar (client *, var, clients [_i])
368
369// returns true when the message needs special (read: perl) treatment
370static inline bool
371msg_is_special (const_any_string msg, bool nl_special = true)
372{
373 return msg [strcspn (msg, nl_special ? "<&\n" : "<&")];
374}
315 375
316#endif 376#endif
317 377

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