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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 | |
35 | struct MapCell |
35 | struct 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 | faceidx faces[MAP_LAYERS]; |
39 | faceidx faces[MAP_LAYERS]; |
40 | 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 |
41 | unsigned char flags; |
41 | unsigned char flags; |
42 | uint8_t smooth[MAP_LAYERS]; |
42 | uint8_t smooth[MAP_LAYERS]; |
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66 | |
66 | |
67 | /* 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 |
68 | * instead of having a bunch of different fields that needed to |
68 | * instead of having a bunch of different fields that needed to |
69 | * get toggled. |
69 | * get toggled. |
70 | */ |
70 | */ |
71 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
71 | enum { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
72 | |
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73 | /* The following is the setup for a ring buffer for storing output |
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74 | * data that the OS can't handle right away. |
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75 | */ |
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76 | struct Buffer |
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77 | { |
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78 | char data[SOCKETBUFSIZE]; |
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79 | int start; |
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80 | int len; |
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81 | }; |
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82 | |
72 | |
83 | // states the socket can be in |
73 | // states the socket can be in |
84 | enum { |
74 | enum { |
85 | ST_DEAD, // socket is dead |
75 | ST_DEAD, // socket is dead |
86 | ST_SETUP, // initial handshake / setup / login |
76 | ST_SETUP, // initial handshake / setup / login |
87 | ST_PLAYING, // logged in an playing |
77 | ST_PLAYING, // logged in an playing |
88 | ST_CUSTOM, // waiting for custom reply |
78 | ST_CUSTOM, // waiting for custom reply |
89 | |
79 | |
90 | ST_CHANGE_CLASS, |
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91 | ST_GET_PARTY_PASSWORD, |
80 | ST_GET_PARTY_PASSWORD, |
92 | }; |
81 | }; |
93 | |
82 | |
94 | // a handler for a specific type of packet |
83 | // a handler for a specific type of packet |
95 | enum { |
84 | enum { |
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165 | int ACC (RW, fd); |
154 | int ACC (RW, fd); |
166 | unsigned int inbuf_len; // number of bytes valid in inbuf |
155 | unsigned int inbuf_len; // number of bytes valid in inbuf |
167 | statsinfo stats; |
156 | statsinfo stats; |
168 | int ACC (RO, active); |
157 | int ACC (RO, active); |
169 | |
158 | |
170 | Buffer outputbuffer; |
159 | /* The following is the setup for a ring buffer for storing output |
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160 | * data that the OS can't handle right away. |
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161 | */ |
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162 | struct |
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163 | { |
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164 | char data[SOCKETBUFSIZE]; |
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165 | int start; |
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166 | int len; |
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167 | } outputbuffer; |
171 | |
168 | |
172 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
169 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
173 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
170 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
174 | |
171 | |
175 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
172 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
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183 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
180 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
184 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
181 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
185 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
182 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
186 | sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
183 | sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
187 | |
184 | |
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185 | bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient |
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186 | bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient |
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187 | bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload |
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188 | bool ACC (RW, enable_bg_scrub); // client workaround, gcfclient becomes unusable if you send it images |
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189 | |
188 | bool ACC (RW, afk); /* player is afk */ |
190 | bool ACC (RW, afk); /* player is afk */ |
189 | bool ACC (RW, facecache); /* If true, client is caching images */ |
191 | bool ACC (RW, facecache); /* If true, client is caching images */ |
190 | bool ACC (RW, sent_scroll); |
192 | bool ACC (RW, sent_scroll); |
191 | bool ACC (RW, sound); /* does the client want sound */ |
193 | bool ACC (RW, sound); /* does the client want sound */ |
192 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
194 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
193 | bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ |
195 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
194 | bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ |
196 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
195 | bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ |
197 | bool ACC (RW, extcmd); // call into extensions/plugins |
196 | bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ |
198 | bool ACC (RW, extmap); // extend map comamnd with extra data |
197 | bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ |
199 | bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls |
198 | bool ACC (RW, force_face0); /* CF+ client workaround for buggy checksum calculation in gcfclient */ |
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199 | bool ACC (RW, force_bad_checksum); /* CF+ client workaround for buggy checksum calculation in gcfclient */ |
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200 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
200 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
201 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
201 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
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202 | bool ACC (RW, fxix); // client implements fx and ix (face|image extended) commands |
202 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
203 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
203 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
204 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
204 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
205 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
205 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
206 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
206 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
207 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
207 | /* Below are flags for extedend infos to pass to client |
208 | /* Below are flags for extedend infos to pass to client |
208 | * with S->C mapextended command */ |
209 | * with S->C mapextended command */ |
209 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
210 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
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211 | bool ACC (RW, smoothing); // trt-style smoothing |
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212 | bool ACC (RW, can_msg); // trt-style text messages |
210 | |
213 | |
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214 | bool ACC (RW, force_newmap); // force a newmap before next map update |
211 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
215 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
212 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
216 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
213 | enum MapMode mapmode; /* Type of map commands the client wants. */ |
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214 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
217 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
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218 | uint16 ACC (RW, mss); // likely tcp maximum segment size |
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219 | uint8 ACC (RW, mapmode); /* Type of map commands the client wants. */ |
215 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
220 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
216 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
221 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
217 | |
222 | |
218 | maptile *ACC (RW, current_map); // CF+ last/current player map |
223 | maptile *ACC (RW, current_map); // CF+ last/current player map |
219 | region *ACC (RW, current_region); // CF+ last/current player region |
224 | region *ACC (RW, current_region); // CF+ last/current player region |
220 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
225 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
221 | char ACC (RW, version)[64]; // CF+ client name/version |
226 | shstr ACC (RW, version); // CF+ client name/version |
222 | uint8 ACC (RW, faceset); // CF+ selected faceset |
227 | uint8 ACC (RW, faceset); // CF+ selected faceset |
223 | |
228 | |
224 | player_ptr ACC (RO, pl); |
229 | player_ptr ACC (RO, pl); |
225 | |
230 | |
226 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
231 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
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232 | |
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233 | int ACC (RW, rate_avail); // current rate balance |
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234 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
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235 | faceidx ACC (RW, scrub_idx); // which face to send next |
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236 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
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237 | |
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238 | faceidx partial_face; |
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239 | uint32 partial_face_ofs; // if != 0, need to send remaining bytes of partial_face |
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240 | std::vector<faceidx, slice_allocator<faceidx> > askface; // which faces have been requested by the client |
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241 | |
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242 | std::vector<faceidx, slice_allocator<faceidx> > fxface; // which faces to send using fx |
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243 | MTH void flush_fx (); // send fx if required |
227 | |
244 | |
228 | void do_destroy (); |
245 | void do_destroy (); |
229 | void gather_callbacks (AV *&callbacks, event_type event) const; |
246 | void gather_callbacks (AV *&callbacks, event_type event) const; |
230 | |
247 | |
231 | iow socket_ev; void socket_cb (iow &w, int got); |
248 | iow socket_ev; void socket_cb (iow &w, int got); |
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240 | std::bitset<MAX_FACES> faces_sent; |
257 | std::bitset<MAX_FACES> faces_sent; |
241 | |
258 | |
242 | // if we get an incomplete packet, this is used to hold the data. |
259 | // if we get an incomplete packet, this is used to hold the data. |
243 | // we add 2 byte for the header, one for the trailing 0 byte |
260 | // we add 2 byte for the header, one for the trailing 0 byte |
244 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
261 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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262 | |
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263 | enum { MSG_BUF_SIZE = 80, MSG_BUF_COUNT = 10 }; |
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264 | struct msg_buf |
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265 | { |
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266 | tick_t expire; |
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267 | int len; |
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268 | int count; |
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269 | char msg[MSG_BUF_SIZE]; |
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270 | } msgbuf[MSG_BUF_COUNT]; |
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271 | |
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272 | MTH bool msg_suppressed (const char *msg); |
245 | |
273 | |
246 | bool may_execute (const packet_type *pkt) const; |
274 | bool may_execute (const packet_type *pkt) const; |
247 | void execute (const packet_type *pkt, char *data, int datalen); |
275 | void execute (const packet_type *pkt, char *data, int datalen); |
248 | |
276 | |
249 | void queue_command (packet_type *handler, char *data, int datalen); |
277 | void queue_command (packet_type *handler, char *data, int datalen); |
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257 | int next_packet (); // returns length of packet or 0 |
285 | int next_packet (); // returns length of packet or 0 |
258 | void skip_packet (int len); // we have processed the packet, skip it |
286 | void skip_packet (int len); // we have processed the packet, skip it |
259 | |
287 | |
260 | MTH void flush (); |
288 | MTH void flush (); |
261 | MTH void write_outputbuffer (); |
289 | MTH void write_outputbuffer (); |
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290 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
262 | void send (void *buf_, int len); |
291 | void send (void *buf_, int len); |
263 | |
292 | |
264 | void send_packet (const char *buf); |
293 | void send_packet (const char *buf); |
265 | void send_packet (const char *buf, int len); |
294 | void send_packet (const char *buf, int len); |
266 | void send_packet_printf (const char *format, ...); |
295 | void send_packet_printf (const char *format, ...); |
267 | void send_packet (packet &sl); |
296 | void send_packet (packet &sl); |
268 | |
297 | |
269 | void send_drawinfo (const char *msg, int flags = NDI_BLACK); |
298 | void send_drawinfo (const char *msg, int flags = NDI_BLACK); |
270 | MTH void send_face (faceidx facenum, bool nocache = false); |
299 | MTH void send_face (faceidx facenum); |
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300 | MTH void send_image (faceidx facenum); |
271 | MTH void send_faces (object *ob); |
301 | MTH void send_faces (object *ob); |
272 | MTH void send_animation (short anim_num); |
302 | MTH void send_animation (short anim_num); |
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303 | MTH void send_msg (int color, const char *type, const char *msg); |
273 | |
304 | |
274 | // called when something under the player changes |
305 | // called when something under the player changes |
275 | MTH void floorbox_update () { update_look = 1; } |
306 | MTH void floorbox_update () { update_look = 1; } |
276 | // called when the player has been moved |
307 | // called when the player has been moved |
277 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
308 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
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309 | |
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310 | MTH void tick (); // called every server tick to do housekeeping etc. |
278 | |
311 | |
279 | MTH static client *create (int fd, const char *peername); |
312 | MTH static client *create (int fd, const char *peername); |
280 | |
313 | |
281 | protected: |
314 | protected: |
282 | client (int fd, const char *from_ip); |
315 | client (int fd, const char *from_ip); |