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Comparing deliantra/server/include/client.h (file contents):
Revision 1.24 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.55 by root, Sun Jun 24 04:09:29 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for the X Window System 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 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 it
9 it under the terms of the GNU General Public License as published by 9 * under the terms of the GNU General Public License as published by the Free
10 the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
11 (at your option) any later version. 11 * any later version.
12 12 *
13 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, but
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 GNU General Public License for more details. 16 * for more details.
17 17 *
18 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 along
19 along with this program; if not, write to the Free Software 19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 21 *
22 The author can be reached via e-mail to crossfire@schmorp.de 22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23*/ 23 */
24 24
25#ifndef CLIENT_H 25#ifndef CLIENT_H
26#define CLIENT_H 26#define CLIENT_H
27 27
28#include <deque> 28#include <deque>
… …
32// (possibly) max. number of objects "per page" in the ground container 32// (possibly) max. number of objects "per page" in the ground container
33#define FLOORBOX_PAGESIZE 50 33#define FLOORBOX_PAGESIZE 50
34 34
35struct MapCell 35struct MapCell
36{ 36{
37 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 37 tag_t player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
38 int count; /* This is really darkness in the map1 command */ 38 int count; /* This is really darkness in the map1 command */
39 uint16 faces[MAP_LAYERS]; 39 faceidx faces[MAP_LAYERS];
40 uint16 smooth[MAP_LAYERS];
41 unsigned char stat_hp; // health of something in this space, or 0 40 unsigned char stat_hp; // health of something in this space, or 0
42 unsigned char flags; 41 unsigned char flags;
42 uint8_t smooth[MAP_LAYERS];
43}; 43};
44 44
45/* This basically defines the largest size an
46 * archetype may be - it is used for allocation of
47 * some structures, as well as determining how far
48 * we should look for the heads of big images.
49 */
50#define MAX_HEAD_OFFSET 8
51
52#define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) 45#define MAX_CLIENT_X MAP_CLIENT_X
53#define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) 46#define MAX_CLIENT_Y MAP_CLIENT_Y
54 47
55struct Map 48struct Map
56{ 49{
57 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; 50 struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y];
58}; 51};
59 52
60/* True max is 16383 given current map compaction method */ 53/* True max is 16383 given current map compaction method */
61# define MAXANIMNUM 2000 54#define MAXANIMNUM 10000
62 55
63struct statsinfo 56struct statsinfo
64{ 57{
65 char *range, *title; 58 char *range, *title;
66}; 59};
… …
73 66
74/* Only one map mode can actually be used, so lets make it a switch 67/* 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 68 * instead of having a bunch of different fields that needed to
76 * get toggled. 69 * get toggled.
77 */ 70 */
78enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 71enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
79
80/* The following is the setup for a ring buffer for storing output
81 * data that the OS can't handle right away.
82 */
83struct Buffer
84{
85 char data[SOCKETBUFSIZE];
86 int start;
87 int len;
88};
89 72
90// states the socket can be in 73// states the socket can be in
91enum { 74enum {
92 ST_DEAD, // socket is dead 75 ST_DEAD, // socket is dead
93 ST_SETUP, // initial handshake / setup / login 76 ST_SETUP, // initial handshake / setup / login
94 ST_PLAYING, // logged in an playing 77 ST_PLAYING, // logged in an playing
95 ST_CUSTOM, // waiting for custom reply 78 ST_CUSTOM, // waiting for custom reply
96 79
97 ST_CHANGE_CLASS,
98 ST_GET_PARTY_PASSWORD, 80 ST_GET_PARTY_PASSWORD,
99}; 81};
100 82
101// a handler for a specific type of packet 83// a handler for a specific type of packet
102enum { 84enum {
103 PF_PLAYER = 0x01, // must have valid player / will by synchronised 85 PF_PLAYER = 0x01, // must have valid player / will by synchronised
104 PF_PLAYING = 0x02, // must be in playing state 86 PF_PLAYING = 0x02, // must be in playing state
87 PF_COMMAND0 = 0x04, // command starts at offset 0
88 PF_COMMAND6 = 0x08, // command starts at offset 6
105}; 89};
106 90
107struct packet_type 91struct packet_type
108{ 92{
109 const char *name; 93 const char *name;
… …
122 { 106 {
123 sfree<char> (data, datalen + 1); 107 sfree<char> (data, datalen + 1);
124 } 108 }
125}; 109};
126 110
127struct refitem
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
164/* how many times we are allowed to give the wrong password before being kicked. */ 111/* how many times we are allowed to give the wrong password before being kicked. */
165#define MAX_PASSWORD_FAILURES 5 112#define MAX_PASSWORD_FAILURES 5
166 113
167INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player 114INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
168struct client : zero_initialised, attachable 115struct client : zero_initialised, attachable
169{ 116{
170 int ACC (RW, fd); 117 int ACC (RW, fd);
171 unsigned int inbuf_len; // number of bytes valid in inbuf 118 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; 119 statsinfo stats;
174 int ACC (RO, active); 120 object_vector_index ACC (RO, active);
121 player_ptr ACC (RO, pl);
175 122
176 client_container cc_inv, cc_other; 123 /* The following is the setup for a ring buffer for storing output
177 Buffer outputbuffer; 124 * data that the OS can't handle right away.
125 */
126 struct
127 {
128 char data[SOCKETBUFSIZE];
129 int start;
130 int len;
131 } outputbuffer;
178 132
179 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 133 char *ACC (RW, host); /* Which host it is connected from (ip address) */
180 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ 134 uint8 ACC (RW, state); /* Input state of the player (name, password, etc */
181 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 135
136 sint8 ACC (RW, last_level); /* Last level we sent to client */
137 uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */
138 float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */
139 sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */
140 sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */
141 uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */
142 uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */
143 uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */
144 living ACC (RO, last_stats); /* Last stats as sent to client */
145 float ACC (RW, last_speed); /* Last speed as sent to client */
146 sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */
147 sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */
148
149 bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient
150 bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient
151 bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload
152 bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images
182 153
183 bool ACC (RW, afk); /* player is afk */ 154 bool ACC (RW, afk); /* player is afk */
184 bool ACC (RW, facecache); /* If true, client is caching images */ 155 bool ACC (RW, facecache); /* If true, client is caching images */
185 bool ACC (RW, sent_scroll); 156 bool ACC (RW, sent_scroll);
186 bool ACC (RW, sound); /* does the client want sound */ 157 bool ACC (RW, sound); /* does the client want sound */
187 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 158 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
188 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 159 bool ACC (RW, plugincmd); // extend the protocol through a plug-in */
189 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 160 bool ACC (RW, mapinfocmd); // return map info and send map change info
190 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 161 bool ACC (RW, extcmd); // call into extensions/plugins
191 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 162 bool ACC (RW, extmap); // extend map comamnd with extra data
192 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 163 bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls
193 bool ACC (RW, darkness); /* True if client wants darkness information */ 164 bool ACC (RW, darkness); /* True if client wants darkness information */
194 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 165 bool ACC (RW, image2); /* Client wants image2/face2 commands */
166 bool ACC (RW, fxix); // client implements fx and ix (face|image extended) commands
195 bool ACC (RW, update_look); /* If true, we need to send the look window */ 167 bool ACC (RW, update_look); /* If true, we need to send the look window */
196 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 168 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
197 /* used to arrange text in books, scrolls, or scripted dialogs */ 169 /* used to arrange text in books, scrolls, or scripted dialogs */
198 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 170 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
199 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ 171 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
200 /* Below are flags for extedend infos to pass to client 172 /* Below are flags for extedend infos to pass to client
201 * with S->C mapextended command */ 173 * with S->C mapextended command */
202 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ 174 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
175 bool ACC (RW, smoothing); // trt-style smoothing
176 bool ACC (RW, can_msg); // trt-style text messages
203 177
178 bool ACC (RW, force_newmap); // force a newmap before next map update
204 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 179 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
205 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 180 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
206 enum MapMode mapmode; /* Type of map commands the client wants. */
207 uint16 ACC (RW, look_position); /* start of drawing of look window */ 181 uint16 ACC (RW, look_position); /* start of drawing of look window */
182 uint16 ACC (RW, mss); // likely tcp maximum segment size
183 uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */
208 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ 184 uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */
209 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 185 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
210 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
211 186
212 maptile *ACC (RW, current_map); // CF+ last/current player map 187 maptile *ACC (RW, current_map); // CF+ last/current player map
188 region *ACC (RW, current_region); // CF+ last/current player region
213 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 189 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
214 char ACC (RW, version)[64]; // CF+ client name/version 190 shstr ACC (RW, version); // CF+ client name/version
191 uint8 ACC (RW, faceset); // CF+ selected faceset
215 192
216 player_ptr ACC (RO, pl); 193 tstamp ACC (RW, last_send); // last data send on socket.
217 194
218 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 195 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */
196
197 int ACC (RW, rate_avail); // current rate balance
198 int ACC (RW, max_rate); // max. # of bytes to send per tick
199 faceidx ACC (RW, scrub_idx); // which face to send next
200 int ACC (RW, bg_scrub); // how many ticks till the next background face send
201
202 faceidx partial_face;
203 uint32 partial_face_ofs; // if != 0, need to send remaining bytes of partial_face
204 std::vector<faceidx, slice_allocator<faceidx> > askface; // which faces have been requested by the client
205
206 std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx
207 MTH void flush_fx (); // send fx if required
219 208
220 void do_destroy (); 209 void do_destroy ();
221 void gather_callbacks (AV *&callbacks, event_type event) const; 210 void gather_callbacks (AV *&callbacks, event_type event) const;
222 211
212 iow socket_ev; void socket_cb (iow &w, int got);
223 iw cmd_ev; void cmd_cb (iw &w); 213 iw cmd_ev; void cmd_cb (iw &w);
224 iow socket_ev; void socket_cb (iow &w, int got);
225 214
226 std::deque< command, slice_allocator<command> > cmd_queue; 215 std::deque< command, slice_allocator<command> > cmd_queue;
227 216
228 // large structures at the end please 217 // large structures at the end please
229 struct Map lastmap; 218 struct Map lastmap;
230 std::bitset<MAXANIMNUM> anims_sent; 219 std::bitset<MAXANIMNUM> anims_sent;
220 std::bitset<MAX_FACES> faces_sent;
221
231 // if we get an incomplete packet, this is used to hold the data. 222 // if we get an incomplete packet, this is used to hold the data.
232 // we add 2 byte for the header, one for the trailing 0 byte 223 // we add 2 byte for the header, one for the trailing 0 byte
233 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 224 uint8 inbuf[MAXSOCKBUF + 2 + 1];
225
226 enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 };
227 struct msg_buf
228 {
229 tick_t expire;
230 int len;
231 int count;
232 char msg[MSG_BUF_SIZE];
233 } msgbuf[MSG_BUF_COUNT];
234
235 MTH bool msg_suppressed (const char *msg);
234 236
235 bool may_execute (const packet_type *pkt) const; 237 bool may_execute (const packet_type *pkt) const;
236 void execute (const packet_type *pkt, char *data, int datalen); 238 void execute (const packet_type *pkt, char *data, int datalen);
237 239
238 void queue_command (packet_type *handler, char *data, int datalen); 240 void queue_command (packet_type *handler, char *data, int datalen);
239 MTH bool handle_command (); 241 MTH bool handle_command ();
240 // resets movement state 242 // resets movement state
241 MTH void reset_state (); 243 MTH void reset_state ();
244 // resets variable data used to send stat diffs
245 MTH void reset_stats ();
242 246
243 MTH bool handle_packet (); 247 MTH bool handle_packet ();
244 int next_packet (); // returns length of packet or 0 248 int next_packet (); // returns length of packet or 0
245 void skip_packet (int len); // we have processed the packet, skip it 249 void skip_packet (int len); // we have processed the packet, skip it
246 250
247 MTH void flush (); 251 MTH void flush ();
248 MTH void write_outputbuffer (); 252 MTH void write_outputbuffer ();
253 MTH int outputbuffer_len () const { return outputbuffer.len; }
249 void send (void *buf_, int len); 254 void send (void *buf_, int len);
250 255
251 void send_packet (const char *buf); 256 void send_packet (const char *buf);
252 void send_packet (const char *buf, int len); 257 void send_packet (const char *buf, int len);
253 void send_packet_printf (const char *format, ...); 258 void send_packet_printf (const char *format, ...);
254 void send_packet (packet &sl); 259 void send_packet (packet &sl);
255 260
261 void send_drawinfo (const char *msg, int flags = NDI_BLACK);
262 MTH void send_face (faceidx facenum);
263 MTH void send_image (faceidx facenum);
264 MTH void send_faces (object *ob);
265 MTH void send_animation (short anim_num);
266 void send_msg (int color, const char *type, const char *msg);
267
256 // called when something under the player changes 268 // called when something under the player changes
257 MTH void floorbox_update () { update_look = 1; } 269 MTH void floorbox_update () { update_look = 1; }
258 // called when the player has been moved 270 // called when the player has been moved
259 MTH void floorbox_reset () { look_position = 0; floorbox_update (); } 271 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
260 272
273 MTH void tick (); // called every server tick to do housekeeping etc.
274
261 MTH static client *create (int fd, const char *peername); 275 MTH static client *create (int fd, const char *peername);
262 276
263protected: 277protected:
264 client (int fd, const char *from_ip); 278 client (int fd, const char *from_ip);
265 ~client (); 279 ~client ();
… …
267 281
268#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 282#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
269 ( ((__type)>0) &&\ 283 ( ((__type)>0) &&\
270 ((__sockPtr)->has_readable_type) && \ 284 ((__sockPtr)->has_readable_type) && \
271 ((__sockPtr)->supported_readables & (1<<(__type))) ) 285 ((__sockPtr)->supported_readables & (1<<(__type))) )
272
273/* Bitmask for the faces_sent[] array - what
274 * portion of the face have we sent?
275 */
276#define NS_FACESENT_FACE 0x1
277#define NS_FACESENT_SMOOTH 0x2
278 286
279/* Constants in the form EMI_ is for extended map infos. 287/* Constants in the form EMI_ is for extended map infos.
280 * Even if the client select the additionnal infos it wants 288 * Even if the client select the additionnal infos it wants
281 * on the map, there may exist cases where this whole info 289 * on the map, there may exist cases where this whole info
282 * is not given in one buch but in separate bunches. This 290 * is not given in one buch but in separate bunches. This
… …
304 312
305#define FACE_TYPES 1 313#define FACE_TYPES 1
306#define PNG_FACE_INDEX 0 314#define PNG_FACE_INDEX 0
307 315
308#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ 316#define VERSION_CS 1023 /* version >= 1023 understand setup cmd */
309#define VERSION_SC 1027 317#define VERSION_SC 1026
318//#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible
310#define VERSION_INFO "Crossfire+ Server" 319#define VERSION_INFO "Crossfire+ Server"
311 320
312typedef object_vector<client, &client::active> sockvec; 321typedef object_vector<client, &client::active> sockvec;
313 322
314extern sockvec clients; 323extern sockvec clients;
315 324
316#define for_all_clients(var) \ 325#define for_all_clients(var) \
317 for (int _i = 0; _i < clients.size (); ++_i) \ 326 for (int _i = 0; _i < clients.size (); ++_i) \
318 declvar (client *, var, clients [_i]) 327 statementvar (client *, var, clients [_i])
319
320extern int nrofpixmaps; //TODO: hrmpf, should go
321 328
322#endif 329#endif
323 330

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