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Comparing deliantra/server/include/client.h (file contents):
Revision 1.11 by root, Tue Dec 19 05:41:21 2006 UTC vs.
Revision 1.59 by root, Sun Jul 1 05:00:18 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version. 11 * (at your option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
20
21 The author can be reached via e-mail to crossfire@schmorp.de 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22*/ 22 */
23 23
24#ifndef CLIENT_H 24#ifndef CLIENT_H
25#define CLIENT_H 25#define CLIENT_H
26 26
27#include <deque> 27#include <deque>
28#include <bitset> 28#include <bitset>
29#include <tr1/unordered_set>
29 30
30// (possibly) max. number of objects "per page" in the ground container 31// (possibly) max. number of objects "per page" in the ground container
31#define FLOORBOX_PAGESIZE 50 32#define FLOORBOX_PAGESIZE 50
32 33
33struct MapCell 34struct MapCell
34{ 35{
35 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 36 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
36 int count; /* This is really darkness in the map1 command */ 37 int count; /* This is really darkness in the map1 command */
37 uint16 faces[MAP_LAYERS]; 38 faceidx faces[MAP_LAYERS];
38 uint16 smooth[MAP_LAYERS];
39 unsigned char stat_hp; // health of something in this space, or 0 39 unsigned char stat_hp; // health of something in this space, or 0
40 unsigned char flags; 40 unsigned char flags;
41 uint8_t smooth[MAP_LAYERS];
41}; 42};
42 43
43/* This basically defines the largest size an
44 * archetype may be - it is used for allocation of
45 * some structures, as well as determining how far
46 * we should look for the heads of big images.
47 */
48#define MAX_HEAD_OFFSET 8
49
50#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 44#define MAX_CLIENT_X MAP_CLIENT_X
51#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 45#define MAX_CLIENT_Y MAP_CLIENT_Y
52 46
53struct Map 47struct Map
54{ 48{
55 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 49 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
56}; 50};
57 51
58/* True max is 16383 given current map compaction method */ 52/* True max is 16383 given current map compaction method */
59# define MAXANIMNUM 2000 53#define MAXANIMNUM 10000
60 54
61struct statsinfo 55struct statsinfo
62{ 56{
63 char *range, *title; 57 char *range, *title;
64}; 58};
… …
67 * current state. we set up our on buffers for sending/receiving, so we can 61 * current state. we set up our on buffers for sending/receiving, so we can
68 * handle some higher level functions. fd is the actual file descriptor we 62 * handle some higher level functions. fd is the actual file descriptor we
69 * are using. 63 * are using.
70 */ 64 */
71 65
72enum Sock_Status { Ns_Add, Ns_Dead };
73
74/* Only one map mode can actually be used, so lets make it a switch 66/* Only one map mode can actually be used, so lets make it a switch
75 * instead of having a bunch of different fields that needed to 67 * instead of having a bunch of different fields that needed to
76 * get toggled. 68 * get toggled.
77 */ 69 */
78enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 70enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
79 71
80/* The following is the setup for a ring buffer for storing outbut 72// states the socket can be in
81 * data that the OS can't handle right away. 73enum {
82 */ 74 ST_DEAD, // socket is dead
75 ST_SETUP, // initial handshake / setup / login
76 ST_PLAYING, // logged in an playing
77 ST_CUSTOM, // waiting for custom reply
83 78
84struct Buffer 79 ST_GET_PARTY_PASSWORD,
85{
86 char data[SOCKETBUFSIZE];
87 int start;
88 int len;
89}; 80};
90 81
91// a handler for a specific type of packet 82// a handler for a specific type of packet
92enum { 83enum {
93 PF_PLAYER = 0x01, // must have valid player / will by synchronised 84 PF_PLAYER = 0x01, // must have valid player / will by synchronised
94 PF_PLAYING = 0x02, // must be in playing state 85 PF_PLAYING = 0x02, // must be in playing state
86 PF_COMMAND0 = 0x04, // command starts at offset 0
87 PF_COMMAND6 = 0x08, // command starts at offset 6
95}; 88};
96 89
97struct packet_type 90struct packet_type
98{ 91{
99 const char *name; 92 const char *name;
… …
115}; 108};
116 109
117/* how many times we are allowed to give the wrong password before being kicked. */ 110/* how many times we are allowed to give the wrong password before being kicked. */
118#define MAX_PASSWORD_FAILURES 5 111#define MAX_PASSWORD_FAILURES 5
119 112
120ACC_CLASS (client) // should become player when newsocket is a baseclass of player 113INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
121struct client : zero_initialised, attachable_base 114struct client : zero_initialised, attachable
122{ 115{
123 enum Sock_Status status;
124 int ACC (RW, fd); 116 int ACC (RW, fd);
125 unsigned int inbuf_len; // number of bytes valid in inbuf 117 unsigned int inbuf_len; // number of bytes valid in inbuf
126 uint8 *faces_sent; // This is a bitmap on sent face status 118 statsinfo stats;
127 struct statsinfo stats; 119 object_vector_index ACC (RO, active);
120 player_ptr ACC (RO, pl);
121
122 /* The following is the setup for a ring buffer for storing output
123 * data that the OS can't handle right away.
124 */
125 struct
126 {
127 char data[SOCKETBUFSIZE];
128 int start;
129 int len;
130 } outputbuffer;
128 131
129 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 132 char *ACC (RW, host); /* Which host it is connected from (ip address) */
130 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 133 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
131 Buffer outputbuffer;
132 134
135 sint8 ACC (RW, last_level); /* Last level we sent to client */
136 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
137 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
138 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
139 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
140 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
141 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
142 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
143 living ACC (RO, last_stats); /* Last stats as sent to client */
144 float ACC (RW, last_speed); /* Last speed as sent to client */
145 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
146 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
147
148 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
149 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
150 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
151 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
152
153 bool ACC (RW, afk); /* player is afk */
133 bool ACC (RW, facecache); /* If true, client is caching images */ 154 bool ACC (RW, facecache); /* If true, client is caching images */
134 bool ACC (RW, sent_scroll); 155 bool ACC (RW, sent_scroll);
135 bool ACC (RW, sound); /* does the client want sound */ 156 bool ACC (RW, sound); /* does the client want sound */
136 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */
137 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 157 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
138 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 158 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
139 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 159 bool ACC (RW, mapinfocmd); // return map info and send map change info
140 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 160 bool ACC (RW, extcmd); // call into extensions/plugins
141 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 161 bool ACC (RW, extmap); // extend map comamnd with extra data
142 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 162 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
143 bool ACC (RW, darkness); /* True if client wants darkness information */ 163 bool ACC (RW, darkness); /* True if client wants darkness information */
144 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 164 bool ACC (RW, image2); /* Client wants image2/face2 commands */
165 uint8_t ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
145 bool ACC (RW, update_look); /* If true, we need to send the look window */ 166 bool ACC (RW, update_look); /* If true, we need to send the look window */
146 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 167 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
147 /* used to arrange text in books, scrolls, or scripted dialogs */ 168 /* used to arrange text in books, scrolls, or scripted dialogs */
148 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 169 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
149 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ 170 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
150 /* Below are flags for extedend infos to pass to client 171 /* Below are flags for extedend infos to pass to client
151 * with S->C mapextended command */ 172 * with S->C mapextended command */
152 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ 173 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
174 bool ACC (RW, smoothing); // trt-style smoothing
175 bool ACC (RW, can_msg); // trt-style text messages
153 176
177 bool ACC (RW, force_newmap); // force a newmap before next map update
154 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 178 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
155 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 179 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
156 enum MapMode mapmode; /* Type of map commands the client wants. */
157 uint16 ACC (RW, look_position); /* start of drawing of look window */ 180 uint16 ACC (RW, look_position); /* start of drawing of look window */
181 uint16 ACC (RW, mss); // likely tcp maximum segment size
182 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
158 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 183 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
159 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 184 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
160 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
161 185
162 maptile *ACC (RW, current_map); // CF+ last/current player map 186 maptile *ACC (RW, current_map); // CF+ last/current player map
187 region *ACC (RW, current_region); // CF+ last/current player region
163 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 188 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
164 char ACC (RW, version)[64]; // CF+ client name/version 189 shstr ACC (RW, version); // CF+ client name/version
190 uint8 ACC (RW, faceset); // CF+ selected faceset
165 191
166 player *ACC (RO, pl);//TODO should not be here, preferably 192 tstamp ACC (RW, last_send); // last data send on socket.
167 193
168 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 194 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */
169 195
170 client (int fd, const char *from_ip); 196 int ACC (RW, rate_avail); // current rate balance
171 ~client (); 197 int ACC (RW, max_rate); // max. # of bytes to send per tick
198 faceidx ACC (RW, scrub_idx); // which face to send next
199 int ACC (RW, bg_scrub); // how many ticks till the next background face send
200
201 struct ixsend {
202 int16_t pri; // unused
203 faceidx idx;
204 uint32_t ofs; // if != 0, need to send remaining bytes of partial_face
205 };
206 std::vector<ixsend, slice_allocator<ixsend> > ixface; // which faces to send to the client using ix
207
208 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
209 MTH void flush_fx (); // send fx if required
210
172 void destroy (); 211 void do_destroy ();
212 void gather_callbacks (AV *&callbacks, event_type event) const;
173 213
214 iow socket_ev; void socket_cb (iow &w, int got);
174 iw cmd_ev; void cmd_cb (iw &w); 215 iw cmd_ev; void cmd_cb (iw &w);
175 iow socket_ev; void socket_cb (iow &w, int got);
176 216
177 std::deque< command, slice_allocator<command> > cmd_queue; 217 std::deque< command, slice_allocator<command> > cmd_queue;
178 218
179 // resets movement state 219 // large structures at the end please
220 struct Map lastmap;
221 std::bitset<MAXANIMNUM> anims_sent;
222 std::bitset<MAX_FACES> faces_sent;
223
224 // if we get an incomplete packet, this is used to hold the data.
225 // we add 2 byte for the header, one for the trailing 0 byte
226 uint8 inbuf[MAXSOCKBUF + 2 + 1];
227
228 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
229 struct msg_buf
230 {
231 tick_t expire;
232 int len;
233 int count;
234 char msg[MSG_BUF_SIZE];
235 } msgbuf[MSG_BUF_COUNT];
236
237 MTH bool msg_suppressed (const char *msg);
238
180 bool may_execute (const packet_type *pkt) const; 239 bool may_execute (const packet_type *pkt) const;
181 void execute (const packet_type *pkt, char *data, int datalen); 240 void execute (const packet_type *pkt, char *data, int datalen);
182 241
183 void queue_command (packet_type *handler, char *data, int datalen); 242 void queue_command (packet_type *handler, char *data, int datalen);
184 bool handle_command (); 243 MTH bool handle_command ();
244 // resets movement state
185 void reset_state (); 245 MTH void reset_state ();
246 // resets variable data used to send stat diffs
247 MTH void reset_stats ();
186 248
187 bool handle_packet (); 249 MTH bool handle_packet ();
188 int next_packet (); // returns length of packet or 0 250 int next_packet (); // returns length of packet or 0
189 void skip_packet (int len); // we have processed the packet, skip it 251 void skip_packet (int len); // we have processed the packet, skip it
190 252
191 void flush (); 253 MTH void flush ();
192 void write_outputbuffer (); 254 MTH void write_outputbuffer ();
255 MTH int outputbuffer_len () const { return outputbuffer.len; }
193 void send (void *buf_, int len); 256 void send (void *buf_, int len);
194 257
195 void send_packet (const char *buf); 258 void send_packet (const char *buf);
196 void send_packet (const char *buf, int len); 259 void send_packet (const char *buf, int len);
197 void send_packet_printf (const char *format, ...); 260 void send_packet_printf (const char *format, ...);
198 void send_packet (packet &sl); 261 void send_packet (packet &sl);
199 262
263 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
264 MTH void send_face (faceidx facenum);
265 MTH void send_image (faceidx facenum);
266 MTH void send_faces (object *ob);
267 MTH void send_animation (short anim_num);
268 void send_msg (int color, const char *type, const char *msg);
269
200 // called when something under the player changes 270 // called when something under the player changes
201 void floorbox_update () { update_look = 1; } 271 MTH void floorbox_update () { update_look = 1; }
202 // called when the player has been moved 272 // called when the player has been moved
203 void floorbox_reset () { look_position = 0; floorbox_update (); } 273 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
204 274
205 // large structures at the end please 275 MTH void tick (); // called every server tick to do housekeeping etc.
206 struct Map lastmap; 276
207 std::bitset<MAXANIMNUM> anims_sent; 277 MTH static client *create (int fd, const char *peername);
208 // if we get an incomplete packet, this is used to hold the data. 278
209 // we add 2 byte for the header, one for the trailing 0 byte 279protected:
210 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 280 client (int fd, const char *from_ip);
281 ~client ();
211}; 282};
212 283
213#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 284#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
214 ( ((__type)>0) &&\ 285 ( ((__type)>0) &&\
215 ((__sockPtr)->has_readable_type) && \ 286 ((__sockPtr)->has_readable_type) && \
216 ((__sockPtr)->supported_readables & (1<<(__type))) ) 287 ((__sockPtr)->supported_readables & (1<<(__type))) )
217
218/* Bitmask for the faces_sent[] array - what
219 * portion of the face have we sent?
220 */
221#define NS_FACESENT_FACE 0x1
222#define NS_FACESENT_SMOOTH 0x2
223 288
224/* Constants in the form EMI_ is for extended map infos. 289/* Constants in the form EMI_ is for extended map infos.
225 * Even if the client select the additionnal infos it wants 290 * Even if the client select the additionnal infos it wants
226 * on the map, there may exist cases where this whole info 291 * on the map, there may exist cases where this whole info
227 * is not given in one buch but in separate bunches. This 292 * is not given in one buch but in separate bunches. This
… …
249 314
250#define FACE_TYPES 1 315#define FACE_TYPES 1
251#define PNG_FACE_INDEX 0 316#define PNG_FACE_INDEX 0
252 317
253#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 318#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
254#define VERSION_SC 1027 319#define VERSION_SC 1026
320//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
255#define VERSION_INFO "Crossfire+ Server" 321#define VERSION_INFO "Crossfire TRT Server"
256 322
257typedef unordered_vector<client *> sockvec; 323typedef object_vector<client, &client::active> sockvec;
258 324
259extern sockvec clients; 325extern sockvec clients;
260extern int nrofpixmaps; //TODO: hrmpf, should go 326
327#define for_all_clients(var) \
328 for (int _i = 0; _i < clients.size (); ++_i) \
329 statementvar (client *, var, clients [_i])
261 330
262#endif 331#endif
263 332

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