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Comparing deliantra/server/include/client.h (file contents):
Revision 1.7 by root, Sat Dec 16 21:40:26 2006 UTC vs.
Revision 1.23 by pippijn, Sat Jan 6 14:42:30 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for the X Window System 2 CrossFire, A Multiplayer game for the X Window System
3 3
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 Copyright (C) 2002 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 Copyright (C) 1992 Frank Tore Johansen
6 7
7 This program is free software; you can redistribute it and/or modify 8 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 9 it under the terms of the GNU General Public License as published by
… …
24#ifndef CLIENT_H 25#ifndef CLIENT_H
25#define CLIENT_H 26#define CLIENT_H
26 27
27#include <deque> 28#include <deque>
28#include <bitset> 29#include <bitset>
30#include <tr1/unordered_set>
29 31
30// (possibly) max. number of objects "per page" in the ground container 32// (possibly) max. number of objects "per page" in the ground container
31#define NUM_LOOK_OBJECTS 50 33#define FLOORBOX_PAGESIZE 50
32 34
33struct MapCell 35struct MapCell
34{ 36{
35 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient 37 UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient
36 int count; /* This is really darkness in the map1 command */ 38 int count; /* This is really darkness in the map1 command */
… …
67 * current state. we set up our on buffers for sending/receiving, so we can 69 * 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 70 * handle some higher level functions. fd is the actual file descriptor we
69 * are using. 71 * are using.
70 */ 72 */
71 73
72enum Sock_Status { Ns_Add, Ns_Dead };
73
74/* Only one map mode can actually be used, so lets make it a switch 74/* 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 75 * instead of having a bunch of different fields that needed to
76 * get toggled. 76 * get toggled.
77 */ 77 */
78enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; 78enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 };
79 79
80/* The following is the setup for a ring buffer for storing outbut 80/* The following is the setup for a ring buffer for storing output
81 * data that the OS can't handle right away. 81 * data that the OS can't handle right away.
82 */ 82 */
83
84struct Buffer 83struct Buffer
85{ 84{
86 char data[SOCKETBUFSIZE]; 85 char data[SOCKETBUFSIZE];
87 int start; 86 int start;
88 int len; 87 int len;
89}; 88};
90 89
90// states the socket can be in
91enum {
92 ST_DEAD, // socket is dead
93 ST_SETUP, // initial handshake / setup / login
94 ST_PLAYING, // logged in an playing
95 ST_CUSTOM, // waiting for custom reply
96
97 ST_CONFIRM_QUIT,
98 ST_CHANGE_CLASS,
99 ST_GET_PARTY_PASSWORD,
100};
101
91// a handler for a specific type of packet 102// a handler for a specific type of packet
92enum { 103enum {
93 PF_PLAYER = 0x01, // must have valid player 104 PF_PLAYER = 0x01, // must have valid player / will by synchronised
94 PF_IMMEDIATE = 0x02, // TODO: hack, can be executed immediately
95 PF_PLAYING = 0x04, // must be in playing state 105 PF_PLAYING = 0x02, // must be in playing state
96}; 106};
97 107
98struct packet_type 108struct packet_type
99{ 109{
100 const char *name; 110 const char *name;
… …
109 char *data; 119 char *data;
110 int datalen; 120 int datalen;
111 121
112 ~command () 122 ~command ()
113 { 123 {
114 sfree (data, datalen); 124 sfree<char> (data, datalen + 1);
115 } 125 }
126};
127
128struct refitem
129{
130 object_ptr op;
131};
132
133// this represents a container on the client side.
134// right now, there are only ever two of them:
135// the inventory and the floor/open container
136//TODO: unused as of yet
137struct client_container : vector< refitem, slice_allocator<refitem> >
138{
139 client *ns;
140 enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type;
141
142 bool item_changed; // one of the items in here possibly changed
143
144 // for mapspace and container
145 int x, y;
146 maptile *map;
147
148 // for container
149 object *env;
150
151 client_container (client *ns)
152 : ns (ns), type (CC_NONE) { }
153
154 tag_t tag () const;
155
156 inline iterator merge_item (iterator i, object *op);
157
158 void clear ();
159 void update ();
160
161 void set_mapspace (maptile *map, int x, int y);
162 void set_container (object *env);
116}; 163};
117 164
118/* how many times we are allowed to give the wrong password before being kicked. */ 165/* how many times we are allowed to give the wrong password before being kicked. */
119#define MAX_PASSWORD_FAILURES 5 166#define MAX_PASSWORD_FAILURES 5
120 167
121ACC_CLASS (client) // should become player when newsocket is a baseclass of player 168INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player
122struct client : zero_initialised, attachable_base 169struct client : zero_initialised, attachable
123{ 170{
124 enum Sock_Status status;
125 int ACC (RW, fd); 171 int ACC (RW, fd);
126 unsigned int inbuf_len; // number of bytes valid in inbuf 172 unsigned int inbuf_len; // number of bytes valid in inbuf
127 uint8 *faces_sent; // This is a bitmap on sent face status 173 uint8 *faces_sent; // This is a bitmap on sent face status
128 struct statsinfo stats; 174 statsinfo stats;
129 175
176 client_container cc_inv, cc_other;
177 Buffer outputbuffer;
178
130 char *ACC (RW, host); /* Which host it is connected from (ip address) */ 179 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 */
131 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ 181 uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */
132 Buffer outputbuffer;
133 182
183 bool ACC (RW, afk); /* player is afk */
134 bool ACC (RW, facecache); /* If true, client is caching images */ 184 bool ACC (RW, facecache); /* If true, client is caching images */
135 bool ACC (RW, sent_scroll); 185 bool ACC (RW, sent_scroll);
136 bool ACC (RW, sound); /* does the client want sound */ 186 bool ACC (RW, sound); /* does the client want sound */
137 bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */
138 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ 187 bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */
139 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ 188 bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */
140 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ 189 bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */
141 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ 190 bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */
142 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ 191 bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */
143 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ 192 bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */
144 bool ACC (RW, darkness); /* True if client wants darkness information */ 193 bool ACC (RW, darkness); /* True if client wants darkness information */
145 bool ACC (RW, image2); /* Client wants image2/face2 commands */ 194 bool ACC (RW, image2); /* Client wants image2/face2 commands */
146 bool ACC (RW, update_look); /* If true, we need to send the look window */ 195 bool ACC (RW, update_look); /* If true, we need to send the look window */
147 bool ACC (RW, has_readable_type); /* If true client accept additional text information */ 196 bool ACC (RW, has_readable_type); /* If true client accept additional text information */
148 /* used to arrange text in books, scrolls, or scripted dialogs */ 197 /* used to arrange text in books, scrolls, or scripted dialogs */
149 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ 198 bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */
150 bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ 199 bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */
151 /* Below are flags for extedend infos to pass to client 200 /* Below are flags for extedend infos to pass to client
152 * with S->C mapextended command */ 201 * with S->C mapextended command */
153 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ 202 bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */
154 203
155 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ 204 uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */
156 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ 205 uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */
157 enum MapMode mapmode; /* Type of map commands the client wants. */ 206 enum MapMode mapmode; /* Type of map commands the client wants. */
158 uint16 ACC (RW, look_position); /* start of drawing of look window */ 207 uint16 ACC (RW, look_position); /* start of drawing of look window */
… …
160 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ 209 uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */
161 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ 210 uint8 ACC (RW, faceset); /* Set the client is using, default 0 */
162 211
163 maptile *ACC (RW, current_map); // CF+ last/current player map 212 maptile *ACC (RW, current_map); // CF+ last/current player map
164 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position 213 int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position
165 char ACC (RW, version)[64]; // CF+ client name/version 214 char ACC (RW, version)[64]; // CF+ client name/version
166 215
167 player *ACC (RO, pl);//TODO should not be here, preferably 216 player_ptr ACC (RO, pl);
168 217
169 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ 218 int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */
170 219
171 client (int fd, const char *from_ip);
172 ~client ();
173 void destroy (); 220 void do_destroy ();
221 void gather_callbacks (AV *&callbacks, event_type event) const;
174 222
175 iw cmd_ev; void cmd_cb (iw &w); 223 iw cmd_ev; void cmd_cb (iw &w);
176 iow socket_ev; void socket_cb (iow &w, int got); 224 iow socket_ev; void socket_cb (iow &w, int got);
177 225
178 std::deque< command, slice_allocator<command> > cmd_queue; 226 std::deque< command, slice_allocator<command> > cmd_queue;
179
180 // resets movement state
181 bool may_execute (const packet_type *pkt) const;
182 void execute (const packet_type *pkt, char *data, int datalen);
183
184 void queue_command (packet_type *handler, char *data, int datalen);
185 bool handle_command ();
186 void reset_state ();
187
188 bool handle_packet ();
189 int next_packet (); // returns length of packet or 0
190 void skip_packet (int len); // we have processed the packet, skip it
191
192 void flush ();
193 void write_outputbuffer ();
194 void send (void *buf_, int len);
195
196 void send_packet (const char *buf);
197 void send_packet (const char *buf, int len);
198 void send_packet_printf (const char *format, ...);
199 void send_packet (packet &sl);
200 227
201 // large structures at the end please 228 // large structures at the end please
202 struct Map lastmap; 229 struct Map lastmap;
203 std::bitset<MAXANIMNUM> anims_sent; 230 std::bitset<MAXANIMNUM> anims_sent;
204 // if we get an incomplete packet, this is used to hold the data. 231 // if we get an incomplete packet, this is used to hold the data.
205 // we add 2 byte for the header, one for the trailing 0 byte 232 // we add 2 byte for the header, one for the trailing 0 byte
206 uint8 inbuf[MAXSOCKBUF + 2 + 1]; 233 uint8 inbuf[MAXSOCKBUF + 2 + 1];
207 234
235 bool may_execute (const packet_type *pkt) const;
236 void execute (const packet_type *pkt, char *data, int datalen);
237
238 void queue_command (packet_type *handler, char *data, int datalen);
239 MTH bool handle_command ();
240 // resets movement state
241 MTH void reset_state ();
242
243 MTH bool handle_packet ();
244 int next_packet (); // returns length of packet or 0
245 void skip_packet (int len); // we have processed the packet, skip it
246
247 MTH void flush ();
248 MTH void write_outputbuffer ();
249 void send (void *buf_, int len);
250
251 void send_packet (const char *buf);
252 void send_packet (const char *buf, int len);
253 void send_packet_printf (const char *format, ...);
254 void send_packet (packet &sl);
255
256 // called when something under the player changes
257 MTH void floorbox_update () { update_look = 1; }
258 // called when the player has been moved
259 MTH void floorbox_reset () { look_position = 0; floorbox_update (); }
260
261 MTH static client *create (int fd, const char *peername);
262
263protected:
264 client (int fd, const char *from_ip);
265 ~client ();
208}; 266};
209 267
210#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ 268#define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\
211 ( ((__type)>0) &&\ 269 ( ((__type)>0) &&\
212 ((__sockPtr)->has_readable_type) && \ 270 ((__sockPtr)->has_readable_type) && \

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