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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.112 by root, Sun Jul 1 05:00:20 2007 UTC vs.
Revision 1.176 by root, Thu Apr 29 15:59:10 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel 5 * Copyright (©) 2001 Mark Wedel
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License 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 Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
24
25//+GPL
23 26
24/** 27/**
25 * \file 28 * \file
26 * Client handling. 29 * Client handling.
27 * 30 *
41 44
42#include <global.h> 45#include <global.h>
43#include <sproto.h> 46#include <sproto.h>
44 47
45#include <living.h> 48#include <living.h>
46#include <commands.h>
47 49
48/* This block is basically taken from socket.c - I assume if it works there, 50/* This block is basically taken from socket.c - I assume if it works there,
49 * it should work here. 51 * it should work here.
50 */ 52 */
51#include <sys/types.h> 53#include <sys/types.h>
63 * This table translates the attack numbers as used within the 65 * This table translates the attack numbers as used within the
64 * program to the value we use when sending STATS command to the 66 * program to the value we use when sending STATS command to the
65 * client. If a value is -1, then we don't send that to the 67 * client. If a value is -1, then we don't send that to the
66 * client. 68 * client.
67 */ 69 */
68short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 70static short atnr_cs_stat[NROFATTACKS] =
69 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 71{
70 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 72 CS_STAT_RES_PHYS,
71 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 73 CS_STAT_RES_MAG,
72 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 74 CS_STAT_RES_FIRE,
73 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 75 CS_STAT_RES_ELEC,
74 CS_STAT_RES_FEAR, -1 /* Cancellation */ , 76 CS_STAT_RES_COLD,
75 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, 77 CS_STAT_RES_CONF,
76 -1 /* Chaos */ , -1 /* Counterspell */ , 78 CS_STAT_RES_ACID,
77 -1 /* Godpower */ , CS_STAT_RES_HOLYWORD, 79 CS_STAT_RES_DRAIN,
80 -1 /* weaponmagic */,
81 CS_STAT_RES_GHOSTHIT,
82 CS_STAT_RES_POISON,
83 CS_STAT_RES_SLOW,
84 CS_STAT_RES_PARA,
85 CS_STAT_TURN_UNDEAD,
86 CS_STAT_RES_FEAR,
87 -1 /* Cancellation */,
88 CS_STAT_RES_DEPLETE,
89 CS_STAT_RES_DEATH,
90 -1 /* Chaos */,
91 -1 /* Counterspell */,
92 -1 /* Godpower */,
93 CS_STAT_RES_HOLYWORD,
78 CS_STAT_RES_BLIND, 94 CS_STAT_RES_BLIND,
79 -1, /* Internal */ 95 -1, /* Internal */
80 -1, /* life stealing */ 96 -1, /* life stealing */
81 -1 /* Disease - not fully done yet */ 97 -1 /* Disease - not fully done yet */
82}; 98};
98 */ 114 */
99 mx = ns->mapx; 115 mx = ns->mapx;
100 my = ns->mapy; 116 my = ns->mapy;
101 117
102 /* the x and y here are coordinates for the new map, i.e. if we moved 118 /* the x and y here are coordinates for the new map, i.e. if we moved
103 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 119 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
104 * if the destination x or y coordinate is outside the viewable 120 * if the destination x or y coordinate is outside the viewable
105 * area, we clear the values - otherwise, the old values 121 * area, we clear the values - otherwise, the old values
106 * are preserved, and the check_head thinks it needs to clear them. 122 * are preserved, and the check_head thinks it needs to clear them.
107 */ 123 */
108 for (x = 0; x < mx; x++) 124 for (x = 0; x < mx; x++)
109 {
110 for (y = 0; y < my; y++) 125 for (y = 0; y < my; y++)
111 {
112 if (x >= ns->mapx || y >= ns->mapy) 126 if (x >= ns->mapx || y >= ns->mapy)
113 /* clear cells outside the viewable area */ 127 /* clear cells outside the viewable area */
114 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 128 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
115 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 129 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
116 /* clear newly visible tiles within the viewable area */ 130 /* clear newly visible tiles within the viewable area */
117 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 131 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
118 else 132 else
119 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 133 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
120 }
121 }
122 134
123 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 135 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
124 136
125 /* Make sure that the next "map1" command will be sent (even if it is 137 /* Make sure that the next "map1" command will be sent (even if it is
126 * empty). 138 * empty).
129} 141}
130 142
131static void 143static void
132clear_map (player *pl) 144clear_map (player *pl)
133{ 145{
146 pl->ns->mapinfo_queue_clear ();
147
134 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 148 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
135 149
136 pl->ns->force_newmap = false; 150 pl->ns->force_newmap = false;
137 151
138 if (pl->ns->newmapcmd == 1) 152 if (pl->ns->newmapcmd == 1)
139 pl->ns->send_packet ("newmap"); 153 pl->ns->send_packet ("newmap");
140 154
141 pl->ns->floorbox_reset (); 155 pl->ns->floorbox_reset ();
156}
157
158static void
159send_map_info (player *pl)
160{
161 client &socket = *pl->ns;
162 object *ob = pl->viewpoint;
163
164 if (socket.mapinfocmd)
165 {
166 if (ob->map && ob->map->path[0])
167 {
168 int flags = 0;
169
170 if (ob->map->tile_path[0]) flags |= 1;
171 if (ob->map->tile_path[1]) flags |= 2;
172 if (ob->map->tile_path[2]) flags |= 4;
173 if (ob->map->tile_path[3]) flags |= 8;
174
175 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
176 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
177 ob->map->width, ob->map->height, &ob->map->path);
178 }
179 else
180 socket.send_packet ("mapinfo current");
181 }
142} 182}
143 183
144/** check for map/region change and send new map data */ 184/** check for map/region change and send new map data */
145static void 185static void
146check_map_change (player *pl) 186check_map_change (player *pl)
147{ 187{
148 client &socket = *pl->ns; 188 client &socket = *pl->ns;
149 object *ob = pl->observe; 189 object *ob = pl->viewpoint;
190
191 region *reg = ob->region ();
192 if (socket.current_region != reg)
193 {
194 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
195 socket.current_region = reg;
196 }
197
198 // first try to aovid a full newmap on tiled map scrolls
199 if (socket.current_map != ob->map && !socket.force_newmap)
200 {
201 rv_vector rv;
202
203 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
204
205 // manhattan distance is very handy here
206 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
207 {
208 socket.current_map = ob->map;
209 socket.current_x = ob->x;
210 socket.current_y = ob->y;
211
212 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
213 socket.floorbox_reset ();
214 send_map_info (pl);
215 }
216 }
150 217
151 if (socket.current_map != ob->map || socket.force_newmap) 218 if (socket.current_map != ob->map || socket.force_newmap)
152 { 219 {
153 clear_map (pl); 220 clear_map (pl);
154 socket.current_map = ob->map; 221 socket.current_map = ob->map;
155 222 send_map_info (pl);
156 if (socket.mapinfocmd)
157 {
158 if (ob->map && ob->map->path[0])
159 {
160 int flags = 0;
161
162 if (ob->map->tile_path[0]) flags |= 1;
163 if (ob->map->tile_path[1]) flags |= 2;
164 if (ob->map->tile_path[2]) flags |= 4;
165 if (ob->map->tile_path[3]) flags |= 8;
166
167 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
168 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
169 ob->map->width, ob->map->height, &ob->map->path);
170 }
171 else
172 socket.send_packet ("mapinfo current");
173 }
174 } 223 }
175 else if (socket.current_x != ob->x || socket.current_y != ob->y) 224 else if (socket.current_x != ob->x || socket.current_y != ob->y)
176 { 225 {
177 int dx = ob->x - socket.current_x; 226 int dx = ob->x - socket.current_x;
178 int dy = ob->y - socket.current_y; 227 int dy = ob->y - socket.current_y;
179 228
180 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
181 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
182 else
183 {
184 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 229 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
185 socket.floorbox_reset (); 230 socket.floorbox_reset ();
186 }
187 } 231 }
188 232
189 socket.current_x = ob->x; 233 socket.current_x = ob->x;
190 socket.current_y = ob->y; 234 socket.current_y = ob->y;
235}
191 236
192 region *reg = ob->region (); 237/**
193 if (socket.current_region != reg) 238 * This sends the skill number to name mapping. We ignore
194 { 239 * the params - we always send the same info no matter what.
195 socket.current_region = reg; 240 */
196 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname); 241static void
197 } 242send_skill_info (client *ns, char *params)
243{
244 packet sl;
245 sl << "replyinfo skill_info\n";
246
247 for (int i = 0; i < skillvec.size (); ++i)
248 sl.printf ("%d:%s\n", CS_STAT_SKILLINFO + i, &skillvec [i]->name);
249
250 if (sl.length () > MAXSOCKBUF)
251 cleanup ("buffer overflow in send_skill_info!");
252
253 ns->send_packet (sl);
254}
255
256/**
257 * This sends the spell path to name mapping. We ignore
258 * the params - we always send the same info no matter what.
259 */
260static void
261send_spell_paths (client * ns, char *params)
262{
263 packet sl;
264
265 sl << "replyinfo spell_paths\n";
266
267 for (int i = 0; i < NRSPELLPATHS; i++)
268 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
269
270 if (sl.length () > MAXSOCKBUF)
271 cleanup ("buffer overflow in send_spell_paths!");
272
273 ns->send_packet (sl);
198} 274}
199 275
200/** 276/**
201 * RequestInfo is sort of a meta command. There is some specific 277 * RequestInfo is sort of a meta command. There is some specific
202 * request of information, but we call other functions to provide 278 * request of information, but we call other functions to provide
203 * that information. 279 * that information.
204 */ 280 */
205void 281void
206RequestInfo (char *buf, int len, client * ns) 282RequestInfo (char *buf, int len, client *ns)
207{ 283{
208 char *params = NULL, *cp; 284 char *params;
209
210 /* No match */
211 char bigbuf[MAX_BUF];
212 int slen;
213
214 /* Set up replyinfo before we modify any of the buffers - this is used
215 * if we don't find a match.
216 */
217 strcpy (bigbuf, "replyinfo ");
218 slen = strlen (bigbuf);
219 safe_strcat (bigbuf, buf, &slen, MAX_BUF);
220 285
221 /* find the first space, make it null, and update the 286 /* find the first space, make it null, and update the
222 * params pointer. 287 * params pointer.
223 */ 288 */
224 for (cp = buf; *cp != '\0'; cp++) 289 for (params = buf; *params; params++)
225 if (*cp == ' ') 290 if (*params == ' ')
226 { 291 {
227 *cp = '\0';
228 params = cp + 1; 292 *params++ = 0;
229 break; 293 break;
230 } 294 }
231 295
232 if (!strcmp (buf, "image_info"))
233 send_image_info (ns, params);
234 else if (!strcmp (buf, "image_sums"))
235 send_image_sums (ns, params);
236 else if (!strcmp (buf, "skill_info")) 296 if (!strcmp (buf, "skill_info"))
237 send_skill_info (ns, params); 297 send_skill_info (ns, params);
238 else if (!strcmp (buf, "spell_paths")) 298 else if (!strcmp (buf, "spell_paths"))
239 send_spell_paths (ns, params); 299 send_spell_paths (ns, params);
240 else 300 else
241 ns->send_packet (bigbuf, len); 301 {
302 // undo tokenisation above and send replyinfo with the request unchanged
303 if (*params)
304 *--params = ' ';
305
306 ns->send_packet_printf ("replyinfo %s", buf);
307 }
242} 308}
243 309
244void 310void
245ExtCmd (char *buf, int len, player *pl) 311ExtCmd (char *buf, int len, player *pl)
246{ 312{
249 315
250void 316void
251ExtiCmd (char *buf, int len, client *ns) 317ExtiCmd (char *buf, int len, client *ns)
252{ 318{
253 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 319 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
320}
321
322//-GPL
323
324void
325client::mapinfo_queue_clear ()
326{
327 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
328 free (*i);
329
330 mapinfo_queue.clear ();
331}
332
333bool
334client::mapinfo_try (char *buf)
335{
336 char *token = buf;
337 buf += strlen (buf) + 9;
338
339 // initial map and its origin
340 maptile *map = pl->viewpoint->map;
341 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
342 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
343 int max_distance = 8; // limit maximum path length to something generous
344
345 while (*buf && map && max_distance)
346 {
347 int dir = *buf++ - '1';
348
349 if (dir >= 0 && dir <= 3)
350 {
351 if (!map->tile_path [dir])
352 map = 0;
353 else if (map->tile_available (dir, false))
354 {
355 maptile *neigh = map->tile_map [dir];
356
357 switch (dir)
358 {
359 case 0: mapy -= neigh->height; break;
360 case 2: mapy += map ->height; break;
361 case 3: mapx -= neigh->width ; break;
362 case 1: mapx += map ->width ; break;
363 }
364
365 map = neigh;
366 --max_distance;
367 }
368 else
369 return 0;
370 }
371 else
372 max_distance = 0;
373 }
374
375 if (!max_distance)
376 send_packet_printf ("mapinfo %s error", token);
377 else if (!map || !map->path)
378 send_packet_printf ("mapinfo %s nomap", token);
379 else
380 {
381 int flags = 0;
382
383 if (map->tile_path[0]) flags |= 1;
384 if (map->tile_path[1]) flags |= 2;
385 if (map->tile_path[2]) flags |= 4;
386 if (map->tile_path[3]) flags |= 8;
387
388 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
389 }
390
391 return 1;
392}
393
394void
395client::mapinfo_queue_run ()
396{
397 if (mapinfo_queue.empty () || !pl)
398 return;
399
400 for (int i = 0; i < mapinfo_queue.size (); ++i)
401 if (mapinfo_try (mapinfo_queue [i]))
402 {
403 free (mapinfo_queue [i]);
404 mapinfo_queue.erase (i);
405 }
406 else
407 ++i;
254} 408}
255 409
256void 410void
257MapInfoCmd (char *buf, int len, player *pl) 411MapInfoCmd (char *buf, int len, player *pl)
258{ 412{
259 // <mapinfo tag spatial tile-path 413 // <mapinfo tag spatial tile-path
260 // >mapinfo tag spatial flags x y w h hash 414 // >mapinfo tag spatial flags x y w h hash
261 415
262 char bigbuf[MAX_BUF], *token;
263
264 token = buf; 416 char *token = buf;
265 // copy token 417
266 if (!(buf = strchr (buf, ' '))) 418 if (!(buf = strchr (buf, ' ')))
267 return; 419 return;
268 420
269 *buf++ = 0;
270
271 if (!strncmp (buf, "spatial ", 8)) 421 if (!strncmp (buf, " spatial ", 9))
272 { 422 {
273 buf += 8; 423 char *copy = strdup (token);
424 copy [buf - token] = 0;
274 425
275 // initial map and its origin 426#if 0
276 maptile *map = pl->ob->map; 427 // this makes only sense when we flush the buffer immediately
277 sint16 dx, dy; 428 if (pl->ns->mapinfo_try (copy))
278 int mapx = pl->ns->mapx / 2 - pl->ob->x; 429 free (copy);
279 int mapy = pl->ns->mapy / 2 - pl->ob->y;
280 int max_distance = 8; // limit maximum path length to something generous
281
282 while (*buf && map && max_distance)
283 {
284 int dir = *buf++;
285
286 switch (dir)
287 {
288 case '1':
289 dx = 0;
290 dy = -1;
291 map = map->xy_find (dx, dy);
292 map && (mapy -= map->height);
293 break;
294 case '2':
295 mapx += map->width;
296 dx = map->width;
297 dy = 0;
298 map = map->xy_find (dx, dy);
299 break;
300 case '3':
301 mapy += map->height;
302 dx = 0;
303 dy = map->height;
304 map = map->xy_find (dx, dy);
305 break;
306 case '4':
307 dx = -1;
308 dy = 0;
309 map = map->xy_find (dx, dy);
310 map && (mapx -= map->width);
311 break;
312 }
313
314 --max_distance;
315 }
316
317 if (!max_distance)
318 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
319 else if (map && map->path[0])
320 {
321 int flags = 0;
322
323 if (map->tile_path[0]) flags |= 1;
324 if (map->tile_path[1]) flags |= 2;
325 if (map->tile_path[2]) flags |= 4;
326 if (map->tile_path[3]) flags |= 8;
327
328 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
329 }
330 else 430 else
331 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 431#endif
432 pl->ns->mapinfo_queue.push_back (copy);
332 } 433 }
333 else 434 else
334 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 435 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
335
336 pl->ns->send_packet (bigbuf);
337} 436}
338 437
339/** This is the Setup cmd */ 438/** This is the Setup cmd */
340void 439void
341SetUp (char *buf, int len, client * ns) 440SetUp (char *buf, int len, client * ns)
353AddMeCmd (char *buf, int len, client *ns) 452AddMeCmd (char *buf, int len, client *ns)
354{ 453{
355 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 454 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
356} 455}
357 456
358/** Reply to ExtendedInfos command */ 457//+GPL
359void
360ToggleExtendedInfos (char *buf, int len, client * ns)
361{
362 char cmdback[MAX_BUF];
363 char command[50];
364 int info, nextinfo;
365
366 cmdback[0] = '\0';
367 nextinfo = 0;
368
369 while (1)
370 {
371 /* 1. Extract an info */
372 info = nextinfo;
373
374 while ((info < len) && (buf[info] == ' '))
375 info++;
376
377 if (info >= len)
378 break;
379
380 nextinfo = info + 1;
381
382 while ((nextinfo < len) && (buf[nextinfo] != ' '))
383 nextinfo++;
384
385 if (nextinfo - info >= 49) /*Erroneous info asked */
386 continue;
387
388 strncpy (command, &(buf[info]), nextinfo - info);
389
390 /* 2. Interpret info */
391 if (!strcmp ("smooth", command))
392 /* Toggle smoothing */
393 ns->EMI_smooth = !ns->EMI_smooth;
394 else
395 /*bad value */;
396
397 /*3. Next info */
398 }
399
400 strcpy (cmdback, "ExtendedInfoSet");
401
402 if (ns->EMI_smooth)
403 {
404 strcat (cmdback, " ");
405 strcat (cmdback, "smoothing");
406 }
407
408 ns->send_packet (cmdback);
409}
410
411/*
412#define MSG_TYPE_BOOK 1
413#define MSG_TYPE_CARD 2
414#define MSG_TYPE_PAPER 3
415#define MSG_TYPE_SIGN 4
416#define MSG_TYPE_MONUMENT 5
417#define MSG_TYPE_SCRIPTED_DIALOG 6*/
418
419/** Reply to ExtendedInfos command */
420void
421ToggleExtendedText (char *buf, int len, client * ns)
422{
423 char cmdback[MAX_BUF];
424 char temp[10];
425 char command[50];
426 int info, nextinfo, i, flag;
427
428 cmdback[0] = '\0';
429
430 nextinfo = 0;
431 while (1)
432 {
433 /* 1. Extract an info */
434 info = nextinfo;
435
436 while ((info < len) && (buf[info] == ' '))
437 info++;
438
439 if (info >= len)
440 break;
441
442 nextinfo = info + 1;
443
444 while ((nextinfo < len) && (buf[nextinfo] != ' '))
445 nextinfo++;
446
447 if (nextinfo - info >= 49) /*Erroneous info asked */
448 continue;
449
450 strncpy (command, &(buf[info]), nextinfo - info);
451 command[nextinfo - info] = '\0';
452 /* 2. Interpret info */
453 i = sscanf (command, "%d", &flag);
454
455 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
456 ns->supported_readables |= (1 << flag);
457 /*3. Next info */
458 }
459
460 /* Send resulting state */
461 strcpy (cmdback, "ExtendedTextSet");
462
463 for (i = 0; i <= MSG_TYPE_LAST; i++)
464 if (ns->supported_readables & (1 << i))
465 {
466 strcat (cmdback, " ");
467 snprintf (temp, sizeof (temp), "%d", i);
468 strcat (cmdback, temp);
469 }
470
471 ns->send_packet (cmdback);
472}
473 458
474/** 459/**
475 * This handles the general commands from the client (ie, north, fire, cast, 460 * This handles the general commands from the client (ie, north, fire, cast,
476 * etc.) 461 * etc.)
477 */ 462 */
490 return; 475 return;
491 476
492 buf++; 477 buf++;
493 } 478 }
494 479
495 execute_newserver_command (pl->ob, (char *) buf); 480 execute_newserver_command (pl->ob, (char *)buf);
496 481
497 /* Perhaps something better should be done with a left over count. 482 /* Perhaps something better should be done with a left over count.
498 * Cleaning up the input should probably be done first - all actions 483 * Cleaning up the input should probably be done first - all actions
499 * for the command that issued the count should be done before any other 484 * for the command that issued the count should be done before any other
500 * commands. 485 * commands.
511void 496void
512NewPlayerCmd (char *buf, int len, player *pl) 497NewPlayerCmd (char *buf, int len, player *pl)
513{ 498{
514 if (len <= 6) 499 if (len <= 6)
515 { 500 {
516 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 501 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
517 return; 502 return;
518 } 503 }
519 504
520 uint16 cmdid = net_uint16 ((uint8 *)buf); 505 uint16 cmdid = net_uint16 ((uint8 *)buf);
521 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 506 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
534 * commands. 519 * commands.
535 */ 520 */
536 pl->count = 0; 521 pl->count = 0;
537 522
538 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 523 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
539 int time = fabs (pl->ob->speed) < 0.001 524 int time = pl->ob->has_active_speed ()
540 ? time = MAX_TIME * 100
541 : time = (int) (MAX_TIME / fabs (pl->ob->speed)); 525 ? (int) (MAX_TIME / pl->ob->speed)
526 : MAX_TIME * 100;
542 527
543 /* Send confirmation of command execution now */ 528 /* Send confirmation of command execution now */
544 packet sl ("comc"); 529 packet sl ("comc");
545 sl << uint16 (cmdid) << uint32 (time); 530 sl << uint16 (cmdid) << uint32 (time);
546 pl->ns->send_packet (sl); 531 pl->ns->send_packet (sl);
588 LOG (llevError, "Unknown input state: %d\n", ns->state); 573 LOG (llevError, "Unknown input state: %d\n", ns->state);
589 } 574 }
590} 575}
591 576
592/** 577/**
593 * Client tells its version. If there is a mismatch, we close the 578 * Client tells its version info.
594 * socket. In real life, all we should care about is the client having
595 * something older than the server. If we assume the client will be
596 * backwards compatible, having it be a later version should not be a
597 * problem.
598 */ 579 */
599void 580void
600VersionCmd (char *buf, int len, client * ns) 581VersionCmd (char *buf, int len, client *ns)
601{ 582{
602 if (!buf) 583 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
603 {
604 LOG (llevError, "CS: received corrupted version command\n");
605 return;
606 }
607
608 ns->cs_version = atoi (buf);
609 ns->sc_version = ns->cs_version;
610
611 LOG (llevDebug, "connection from client <%s>\n", buf);
612
613 //TODO: should log here just for statistics
614
615 //if (VERSION_CS != ns->cs_version)
616 // unchecked;
617
618 char *cp = strchr (buf + 1, ' ');
619 if (!cp)
620 return;
621
622 ns->sc_version = atoi (cp);
623
624 //if (VERSION_SC != ns->sc_version)
625 // unchecked;
626
627 cp = strchr (cp + 1, ' ');
628
629 if (cp)
630 {
631 ns->version = cp + 1;
632
633 if (ns->sc_version < 1026)
634 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
635 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
636 }
637} 584}
638 585
639/** sound related functions. */ 586/** sound related functions. */
640void 587void
641SetSound (char *buf, int len, client * ns) 588SetSound (char *buf, int len, client * ns)
659 * syntax is: move (to) (tag) (nrof) 606 * syntax is: move (to) (tag) (nrof)
660 */ 607 */
661void 608void
662MoveCmd (char *buf, int len, player *pl) 609MoveCmd (char *buf, int len, player *pl)
663{ 610{
664 int vals[3], i; 611 int to, tag, nrof;
665 612
666 /* A little funky here. We only cycle for 2 records, because 613 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
667 * we obviously are not going to find a space after the third
668 * record. Perhaps we should just replace this with a
669 * sscanf?
670 */
671 for (i = 0; i < 2; i++)
672 { 614 {
673 vals[i] = atoi (buf);
674
675 if (!(buf = strchr (buf, ' ')))
676 {
677 LOG (llevError, "Incomplete move command: %s\n", buf); 615 LOG (llevError, "Incomplete move command: %s\n", buf);
678 return; 616 return;
679 }
680
681 buf++;
682 } 617 }
683 618
684 vals[2] = atoi (buf); 619 esrv_move_object (pl->ob, to, tag, nrof);
685
686/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
687 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
688} 620}
689 621
690/****************************************************************************** 622/******************************************************************************
691 * 623 *
692 * Start of commands the server sends to the client. 624 * Start of commands the server sends to the client.
707 * Get player's current range attack in obuf. 639 * Get player's current range attack in obuf.
708 */ 640 */
709static void 641static void
710rangetostring (player *pl, char *obuf) 642rangetostring (player *pl, char *obuf)
711{ 643{
712 dynbuf_text buf; 644 dynbuf_text &buf = msg_dynbuf; buf.clear ();
645
646#if 0
647 // print ranged/chosen_skill etc. objects every call
648 printf ("%s %s => %s (%s)\n",
649 pl->ranged_ob ? &pl->ranged_ob->name : "-",
650 pl->combat_ob ? &pl->combat_ob->name : "-",
651 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
652 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
653 );
654#endif
713 655
714 if (pl->ranged_ob) 656 if (pl->ranged_ob)
715 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; 657 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
716 658
717 if (pl->combat_ob) 659 if (pl->combat_ob)
763 * commands for now. 705 * commands for now.
764 */ 706 */
765void 707void
766esrv_update_stats (player *pl) 708esrv_update_stats (player *pl)
767{ 709{
768 char buf[MAX_BUF];
769 uint16 flags;
770
771 client *ns = pl->ns; 710 client *ns = pl->ns;
772 if (!ns) 711 if (!ns)
773 return; 712 return;
774 713
775 object *ob = pl->observe; 714 object *ob = pl->observe;
792 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT); 731 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
793 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 732 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
794 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 733 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
795 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 734 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
796 735
797 for (int s = 0; s < NUM_SKILLS; s++) 736 for (int s = 0; s < CS_NUM_SKILLS; s++)
798 if (object *skill = opl->last_skill_ob[s]) 737 if (object *skill = opl->last_skill_ob [s])
799 if (skill->stats.exp != ns->last_skill_exp [s]) 738 if (skill->stats.exp != ns->last_skill_exp [s])
800 { 739 {
801 ns->last_skill_exp [s] = skill->stats.exp; 740 ns->last_skill_exp [s] = skill->stats.exp;
802 741
803 /* Always send along the level if exp changes. This is only 742 /* Always send along the level if exp changes. This is only
804 * 1 extra byte, but keeps processing simpler. 743 * 1 extra byte, but keeps processing simpler.
805 */ 744 */
806 sl << uint8 (s + CS_STAT_SKILLINFO) 745 sl << uint8 (CS_STAT_SKILLINFO + s)
807 << uint8 (skill->level) 746 << uint8 (skill->level)
808 << uint64 (skill->stats.exp); 747 << uint64 (skill->stats.exp);
809 } 748 }
810 749
811 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 750 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
812 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 751 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
813 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 752 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
814 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 753 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
815 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 754 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
816 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK); 755 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
817 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 756 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
818 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK); 757 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
819 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 758 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
820 759
821 flags = 0; 760 int flags = (opl->fire_on ? SF_FIREON : 0)
822 761 | (opl->run_on ? SF_RUNON : 0);
823 if (opl->fire_on)
824 flags |= SF_FIREON;
825
826 if (opl->run_on)
827 flags |= SF_RUNON;
828 762
829 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); 763 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
830 764
831 if (ns->sc_version < 1025)
832 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
833 else
834 for (int i = 0; i < NROFATTACKS; i++) 765 for (int i = 0; i < NROFATTACKS; i++)
835 {
836 /* Skip ones we won't send */ 766 /* Skip ones we won't send */
837 if (atnr_cs_stat[i] == -1) 767 if (atnr_cs_stat[i] >= 0)
838 continue;
839
840 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]); 768 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
841 }
842 769
843 if (pl->ns->monitor_spells) 770 if (pl->ns->monitor_spells)
844 { 771 {
845 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 772 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
846 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 773 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
847 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); 774 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
848 } 775 }
849 776
777 char buf[MAX_BUF];
850 rangetostring (opl, buf); /* we want use the new fire & run system in new client */ 778 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
851 AddIfString (ns->stats.range, buf, CS_STAT_RANGE); 779 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
852 set_title (ob, buf); 780 set_title (ob, buf);
853 AddIfString (ns->stats.title, buf, CS_STAT_TITLE); 781 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
854 782
859 787
860/** 788/**
861 * Tells the client that here is a player it should start using. 789 * Tells the client that here is a player it should start using.
862 */ 790 */
863void 791void
864esrv_new_player (player *pl, uint32 weight) 792esrv_new_player (player *pl)
865{ 793{
794 sint32 weight = pl->ob->client_weight ();
795
866 packet sl ("player"); 796 packet sl ("player");
867 797
868 sl << uint32 (pl->ob->count) 798 sl << uint32 (pl->ob->count)
869 << uint32 (weight) 799 << uint32 (weight)
870 << uint32 (pl->ob->face) 800 << uint32 (pl->ob->face)
871 << data8 (pl->ob->name); 801 << data8 (pl->ob->name);
872 802
873 pl->ns->last_weight = weight; 803 pl->ns->last_weight = weight;
874 pl->ns->send_packet (sl); 804 pl->ns->send_packet (sl);
875 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
876} 805}
877 806
878/****************************************************************************** 807/******************************************************************************
879 * 808 *
880 * Start of map related commands. 809 * Start of map related commands.
937 866
938 if (!ns.faces_sent[face_num]) 867 if (!ns.faces_sent[face_num])
939 if (ob) 868 if (ob)
940 ns.send_faces (ob); 869 ns.send_faces (ob);
941 else 870 else
942 ns.send_face (face_num); 871 ns.send_face (face_num, 10);
943 872
944 sl << uint16 (face_num); 873 sl << uint16 (face_num);
945 return 1; 874 return 1;
946 } 875 }
947 876
948 /* Nothing changed */ 877 /* Nothing changed */
949 return 0; 878 return 0;
950} 879}
951 880
952/** 881//-GPL
953 * Returns the size of a data for a map square as returned by
954 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
955 * available.
956 */
957int
958getExtendedMapInfoSize (client * ns)
959{
960 int result = 0;
961 882
962 if (ns->ext_mapinfos) 883// prefetch maps in an area of PREFETCH x PREFETCH around the player
963 { 884#define PREFETCH 40
964 if (ns->EMI_smooth)
965 result += 1; /*One byte for smoothlevel */
966 }
967
968 return result;
969}
970
971// prefetch (and touch) all maps within a specific distancd
972static void
973prefetch_surrounding_maps (maptile *map, int distance)
974{
975 map->last_access = runtime;
976
977 if (--distance)
978 for (int dir = 4; --dir; )
979 if (const shstr &path = map->tile_path [dir])
980 if (maptile *&neigh = map->tile_map [dir])
981 prefetch_surrounding_maps (neigh, distance);
982 else
983 neigh = maptile::find_async (path, map);
984}
985 885
986// prefetch a generous area around the player 886// prefetch a generous area around the player
987static void 887static void
988prefetch_surrounding_maps (object *op) 888prefetch_surrounding_maps (object *op)
989{ 889{
990 prefetch_surrounding_maps (op->map, 3); 890 for (maprect *rect = op->map->split_to_tiles (mapwalk_buf,
891 op->x - PREFETCH , op->y - PREFETCH ,
892 op->x + PREFETCH + 1, op->y + PREFETCH + 1);
893 rect->m;
894 ++rect)
895 rect->m->touch ();
991} 896}
897
898//+GPL
992 899
993/** 900/**
994 * Draws client map. 901 * Draws client map.
995 */ 902 */
996void 903void
997draw_client_map (player *pl) 904draw_client_map (player *pl)
998{ 905{
999 object *ob = pl->observe; 906 object *ob = pl->viewpoint;
1000 if (!ob->active) 907 if (!pl->observe->active)
1001 return; 908 return;
1002
1003 maptile *plmap = ob->map;
1004 909
1005 /* If player is just joining the game, he isn't here yet, so the map 910 /* If player is just joining the game, he isn't here yet, so the map
1006 * can get swapped out. If so, don't try to send them a map. All will 911 * can get swapped out. If so, don't try to send them a map. All will
1007 * be OK once they really log in. 912 * be OK once they really log in.
1008 */ 913 */
1009 if (!plmap || plmap->in_memory != MAP_IN_MEMORY) 914 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1010 return; 915 return;
1011 916
1012 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1013 int estartlen, eoldlen; 917 int startlen, oldlen;
1014 uint8 eentrysize;
1015 uint16 ewhatstart, ewhatflag;
1016 uint8 extendedinfos;
1017 918
1018 check_map_change (pl); 919 check_map_change (pl);
1019 prefetch_surrounding_maps (pl->ob); 920 prefetch_surrounding_maps (pl->ob);
1020 921
1021 /* do LOS after calls to update_position */ 922 /* do LOS after calls to update_position */
1022 if (ob != pl->ob) 923 /* unfortunately, we need to udpate los when observing, currently */
1023 clear_los (pl); 924 if (pl->do_los || pl->viewpoint != pl->ob)
1024 else if (pl->do_los)
1025 { 925 {
1026 update_los (ob);
1027 pl->do_los = 0; 926 pl->do_los = 0;
927 pl->update_los ();
1028 } 928 }
1029 929
1030 /** 930 /**
1031 * This function uses the new map1 protocol command to send the map 931 * This function uses the new map1 protocol command to send the map
1032 * to the client. It is necessary because the old map command supports 932 * to the client. It is necessary because the old map command supports
1051 */ 951 */
1052 952
1053 client &socket = *pl->ns; 953 client &socket = *pl->ns;
1054 954
1055 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 955 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1056 packet esl;
1057 956
1058 startlen = sl.length (); 957 startlen = sl.length ();
1059 958
1060 /*Extendedmapinfo structure initialisation */ 959 int hx = socket.mapx / 2;
1061 if (socket.ext_mapinfos) 960 int hy = socket.mapy / 2;
1062 {
1063 extendedinfos = EMI_NOREDRAW;
1064 961
1065 if (socket.EMI_smooth) 962 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1066 extendedinfos |= EMI_SMOOTH; 963 int ax = dx + hx;
964 int ay = dy + hy;
1067 965
1068 ewhatstart = esl.length (); 966 int mask = (ax << 10) | (ay << 4);
1069 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit 967 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1070 could need to be taken away */
1071 eentrysize = getExtendedMapInfoSize (&socket);
1072 esl << "mapextended "
1073 << uint8 (extendedinfos)
1074 << uint8 (eentrysize);
1075 968
1076 estartlen = esl.length (); 969 /* If the coordinates are not valid, or it is too dark to see,
1077 } 970 * we tell the client as such
1078
1079 /* x,y are the real map locations. ax, ay are viewport relative
1080 * locations.
1081 */ 971 */
1082 ay = 0; 972 if (!m)
1083
1084 /* We could do this logic as conditionals in the if statement,
1085 * but that started to get a bit messy to look at.
1086 */
1087 max_x = ob->x + (socket.mapx + 1) / 2;
1088 max_y = ob->y + (socket.mapy + 1) / 2;
1089
1090 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1091 { 973 {
1092 sint16 nx, ny; 974 /* space is out of map. Update space and clear values
1093 maptile *m = 0; 975 * if this hasn't already been done. If the space is out
1094 976 * of the map, it shouldn't have a head.
1095 ax = 0; 977 */
1096 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++) 978 if (lastcell.count != -1)
1097 { 979 {
1098 // check to see if we can simply go one right quickly 980 sl << uint16 (mask);
981 map_clearcell (&lastcell, -1);
1099 ++nx; 982 }
1100 if (m && nx >= m->width) 983
984 continue;
985 }
986
987 int d = pl->blocked_los_uc (dx, dy);
988
989 if (d > 3)
990 {
991 /* This block deals with spaces that are not visible for whatever
992 * reason. Still may need to send the head for this space.
993 */
994 if (lastcell.count != -1
995 || lastcell.faces[0]
996 || lastcell.faces[1]
997 || lastcell.faces[2]
998 || lastcell.stat_hp
999 || lastcell.flags
1000 || lastcell.player)
1001 sl << uint16 (mask);
1002
1003 /* properly clear a previously sent big face */
1004 map_clearcell (&lastcell, -1);
1005 }
1006 else
1007 {
1008 /* In this block, the space is visible.
1009 */
1010
1011 /* Rather than try to figure out what everything that we might
1012 * need to send is, then form the packet after that,
1013 * we presume that we will in fact form a packet, and update
1014 * the bits by what we do actually send. If we send nothing,
1015 * we just back out sl.length () to the old value, and no harm
1016 * is done.
1017 * I think this is simpler than doing a bunch of checks to see
1018 * what if anything we need to send, setting the bits, then
1019 * doing those checks again to add the real data.
1020 */
1021 oldlen = sl.length ();
1022
1023 sl << uint16 (mask);
1024
1025 unsigned char dummy;
1026 unsigned char *last_ext = &dummy;
1027
1028 /* Darkness changed */
1029 if (lastcell.count != d)
1030 {
1101 m = 0; 1031 mask |= 0x8;
1102 1032
1103 if (!m) 1033 *last_ext |= 0x80;
1034 last_ext = &sl[sl.length ()];
1035 sl << uint8 (d);
1036 }
1037
1038 lastcell.count = d;
1039
1040 mapspace &ms = m->at (nx, ny);
1041 ms.update ();
1042
1043 // extmap handling
1044 uint8 stat_hp = 0;
1045 uint8 stat_width = 0;
1046 uint8 flags = 0;
1047 tag_t player = 0;
1048
1049 // send hp information, if applicable
1050 if (object *op = ms.faces_obj [0])
1051 if (op->is_head () && !op->invisible)
1104 { 1052 {
1105 nx = x; ny = y; m = plmap; 1053 if (op->stats.maxhp > op->stats.hp
1106 1054 && op->stats.maxhp > 0
1107 if (!xy_normalise (m, nx, ny)) 1055 && (op->type == PLAYER
1056 || op->type == DOOR // does not work, have maxhp 0
1057 || op->flag [FLAG_MONSTER]
1058 || op->flag [FLAG_ALIVE]
1059 || op->flag [FLAG_GENERATOR]))
1108 m = 0; 1060 {
1061 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1062 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1063 }
1064
1065 if (expect_false (op->has_dialogue ()))
1066 flags |= 1;
1067
1068 if (expect_false (op->type == PLAYER))
1069 player = op == ob ? pl->ob->count
1070 : op == pl->ob ? ob->count
1071 : op->count;
1109 } 1072 }
1110 1073
1111 int emask, mask; 1074 if (expect_false (lastcell.stat_hp != stat_hp))
1112 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1113
1114 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1115
1116 /* If the coordinates are not valid, or it is too dark to see,
1117 * we tell the client as such
1118 */
1119 if (!m)
1120 { 1075 {
1121 /* space is out of map. Update space and clear values 1076 lastcell.stat_hp = stat_hp;
1122 * if this hasn't already been done. If the space is out 1077
1123 * of the map, it shouldn't have a head 1078 mask |= 0x8;
1124 */ 1079 *last_ext |= 0x80;
1125 if (lastcell.count != -1) 1080 last_ext = &sl[sl.length ()];
1081
1082 sl << uint8 (5) << uint8 (stat_hp);
1083
1084 if (stat_width > 1)
1126 { 1085 {
1127 sl << uint16 (mask);
1128 map_clearcell (&lastcell, -1);
1129 }
1130
1131 continue;
1132 }
1133
1134 m->touch ();
1135
1136 int d = pl->blocked_los[ax][ay];
1137
1138 if (d > 3)
1139 {
1140
1141 int need_send = 0, count;
1142
1143 /* This block deals with spaces that are not visible for whatever
1144 * reason. Still may need to send the head for this space.
1145 */
1146
1147 oldlen = sl.length ();
1148
1149 sl << uint16 (mask);
1150
1151 if (lastcell.count != -1)
1152 need_send = 1;
1153
1154 count = -1;
1155
1156 /* properly clear a previously sent big face */
1157 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1158 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1159 need_send = 1;
1160
1161 map_clearcell (&lastcell, count);
1162
1163 if ((mask & 0xf) || need_send)
1164 sl[oldlen + 1] = mask & 0xff;
1165 else
1166 sl.reset (oldlen);
1167 }
1168 else
1169 {
1170 /* In this block, the space is visible.
1171 */
1172
1173 /* Rather than try to figure out what everything that we might
1174 * need to send is, then form the packet after that,
1175 * we presume that we will in fact form a packet, and update
1176 * the bits by what we do actually send. If we send nothing,
1177 * we just back out sl.length () to the old value, and no harm
1178 * is done.
1179 * I think this is simpler than doing a bunch of checks to see
1180 * what if anything we need to send, setting the bits, then
1181 * doing those checks again to add the real data.
1182 */
1183 oldlen = sl.length ();
1184 eoldlen = esl.length ();
1185
1186 sl << uint16 (mask);
1187
1188 unsigned char dummy;
1189 unsigned char *last_ext = &dummy;
1190
1191 /* Darkness changed */
1192 if (lastcell.count != d && socket.darkness)
1193 {
1194 mask |= 0x8;
1195
1196 if (socket.extmap)
1197 {
1198 *last_ext |= 0x80; 1086 *last_ext |= 0x80;
1199 last_ext = &sl[sl.length ()]; 1087 last_ext = &sl[sl.length ()];
1200 sl << uint8 (d); 1088
1201 } 1089 sl << uint8 (6) << uint8 (stat_width);
1202 else
1203 sl << uint8 (255 - 64 * d);
1204 } 1090 }
1091 }
1205 1092
1206 lastcell.count = d; 1093 if (expect_false (lastcell.player != player))
1207
1208 mapspace &ms = m->at (nx, ny);
1209 ms.update ();
1210
1211 if (socket.extmap)
1212 { 1094 {
1213 uint8 stat_hp = 0; 1095 lastcell.player = player;
1214 uint8 stat_width = 0;
1215 uint8 flags = 0;
1216 tag_t player = 0;
1217 1096
1218 // send hp information, if applicable
1219 if (object *op = ms.faces_obj [0])
1220 {
1221 if (op->head || op->invisible)
1222 ; // do not show
1223 else if (op->type == PLAYER
1224 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1225 {
1226 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1227 {
1228 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1229 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1230 }
1231 }
1232
1233 if (op->msg && op->msg[0] == '@')
1234 flags |= 1;
1235
1236 if (op->type == PLAYER && op != ob)
1237 player = op->count;
1238 }
1239
1240 if (lastcell.stat_hp != stat_hp)
1241 {
1242 lastcell.stat_hp = stat_hp;
1243
1244 mask |= 0x8; 1097 mask |= 0x8;
1245 *last_ext |= 0x80; 1098 *last_ext |= 0x80;
1246 last_ext = &sl[sl.length ()]; 1099 last_ext = &sl[sl.length ()];
1247 1100
1248 sl << uint8 (5) << uint8 (stat_hp);
1249
1250 if (stat_width > 1)
1251 {
1252 *last_ext |= 0x80;
1253 last_ext = &sl[sl.length ()];
1254
1255 sl << uint8 (6) << uint8 (stat_width);
1256 }
1257 }
1258
1259 if (lastcell.player != player)
1260 {
1261 lastcell.player = player;
1262
1263 mask |= 0x8;
1264 *last_ext |= 0x80;
1265 last_ext = &sl[sl.length ()];
1266
1267 sl << uint8 (0x47) << uint8 (4) << (uint32)player; 1101 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1268 } 1102 }
1269 1103
1270 if (lastcell.flags != flags) 1104 if (expect_false (lastcell.flags != flags))
1271 { 1105 {
1272 lastcell.flags = flags; 1106 lastcell.flags = flags;
1273 1107
1274 mask |= 0x8; 1108 mask |= 0x8;
1275 *last_ext |= 0x80; 1109 *last_ext |= 0x80;
1276 last_ext = &sl[sl.length ()]; 1110 last_ext = &sl[sl.length ()];
1277 1111
1278 sl << uint8 (8) << uint8 (flags); 1112 sl << uint8 (8) << uint8 (flags);
1279 }
1280 } 1113 }
1281 1114
1115 // faces
1116
1282 /* Floor face */ 1117 /* Floor face */
1283 if (update_space (sl, socket, ms, lastcell, 2)) 1118 if (update_space (sl, socket, ms, lastcell, 2))
1284 mask |= 0x4; 1119 mask |= 0x4;
1285 1120
1286 /* Middle face */ 1121 /* Middle face */
1287 if (update_space (sl, socket, ms, lastcell, 1)) 1122 if (update_space (sl, socket, ms, lastcell, 1))
1288 mask |= 0x2; 1123 mask |= 0x2;
1289 1124
1125 if (expect_false (ob->invisible)
1126 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1290 if (ms.player () == ob 1127 && ms.player () == ob)
1291 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1292 { 1128 {
1293 // force player to be visible to himself if invisible 1129 // force player to be visible to himself if invisible
1294 if (lastcell.faces[0] != ob->face) 1130 if (lastcell.faces[0] != ob->face)
1295 { 1131 {
1296 lastcell.faces[0] = ob->face; 1132 lastcell.faces[0] = ob->face;
1297 1133
1298 mask |= 0x1;
1299 sl << uint16 (ob->face);
1300
1301 socket.send_faces (ob);
1302 }
1303 }
1304 /* Top face */
1305 else if (update_space (sl, socket, ms, lastcell, 0))
1306 mask |= 0x1; 1134 mask |= 0x1;
1135 sl << uint16 (ob->face);
1307 1136
1137 socket.send_faces (ob);
1138 }
1139 }
1140 /* Top face */
1141 else if (update_space (sl, socket, ms, lastcell, 0))
1142 mask |= 0x1;
1143
1308 /* Check to see if we are in fact sending anything for this 1144 /* Check to see if we are in fact sending anything for this
1309 * space by checking the mask. If so, update the mask. 1145 * space by checking the mask. If so, update the mask.
1310 * if not, reset the len to that from before adding the mask 1146 * if not, reset the len to that from before adding the mask
1311 * value, so we don't send those bits. 1147 * value, so we don't send those bits.
1312 */ 1148 */
1313 if (mask & 0xf) 1149 if (mask & 0xf)
1314 sl[oldlen + 1] = mask & 0xff; 1150 sl[oldlen + 1] = mask & 0xff;
1315 else 1151 else
1316 sl.reset (oldlen); 1152 sl.reset (oldlen);
1317
1318 if (socket.ext_mapinfos)
1319 esl << uint16 (emask);
1320
1321 if (socket.EMI_smooth)
1322 {
1323 for (int layer = 2+1; layer--; )
1324 {
1325 object *ob = ms.faces_obj [layer];
1326
1327 // If there is no object for this space, or if the face for the object
1328 // is the blank face, set the smoothlevel to zero.
1329 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1330
1331 // We've gotten what face we want to use for the object. Now see if
1332 // if it has changed since we last sent it to the client.
1333 if (lastcell.smooth[layer] != smoothlevel)
1334 {
1335 lastcell.smooth[layer] = smoothlevel;
1336 esl << uint8 (smoothlevel);
1337 emask |= 1 << layer;
1338 }
1339 }
1340
1341 if (emask & 0xf)
1342 esl[eoldlen + 1] = emask & 0xff;
1343 else
1344 esl.reset (eoldlen);
1345 }
1346 } /* else this is a viewable space */ 1153 } /* else this is a viewable space */
1347 } /* for x loop */ 1154 ordered_mapwalk_end
1348 } /* for y loop */
1349 1155
1350 socket.flush_fx (); 1156 socket.flush_fx ();
1351
1352 /* Verify that we in fact do need to send this */
1353 if (socket.ext_mapinfos)
1354 {
1355 if (!(sl.length () > startlen || socket.sent_scroll))
1356 {
1357 /* No map data will follow, so don't say the client
1358 * it doesn't need draw!
1359 */
1360 ewhatflag &= ~EMI_NOREDRAW;
1361 esl[ewhatstart + 1] = ewhatflag & 0xff;
1362 }
1363
1364 if (esl.length () > estartlen)
1365 socket.send_packet (esl);
1366 }
1367 1157
1368 if (sl.length () > startlen || socket.sent_scroll) 1158 if (sl.length () > startlen || socket.sent_scroll)
1369 { 1159 {
1370 socket.send_packet (sl); 1160 socket.send_packet (sl);
1371 socket.sent_scroll = 0; 1161 socket.sent_scroll = 0;
1372 } 1162 }
1373} 1163}
1374 1164
1375/*****************************************************************************/
1376/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1377/* a player. Of course, the client need to know the command to be able to */
1378/* manage it ! */
1379/*****************************************************************************/
1380void
1381send_plugin_custom_message (object *pl, char *buf)
1382{
1383 pl->contr->ns->send_packet (buf);
1384}
1385
1386/**
1387 * This sends the skill number to name mapping. We ignore
1388 * the params - we always send the same info no matter what.
1389 */
1390void
1391send_skill_info (client *ns, char *params)
1392{
1393 packet sl;
1394 sl << "replyinfo skill_info\n";
1395
1396 for (int i = 1; i < NUM_SKILLS; i++)
1397 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
1398
1399 if (sl.length () >= MAXSOCKBUF)
1400 {
1401 LOG (llevError, "Buffer overflow in send_skill_info!\n");
1402 fatal (0);
1403 }
1404
1405 ns->send_packet (sl);
1406}
1407
1408/**
1409 * This sends the spell path to name mapping. We ignore
1410 * the params - we always send the same info no matter what.
1411 */
1412void
1413send_spell_paths (client * ns, char *params)
1414{
1415 packet sl;
1416
1417 sl << "replyinfo spell_paths\n";
1418
1419 for (int i = 0; i < NRSPELLPATHS; i++)
1420 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1421
1422 if (sl.length () >= MAXSOCKBUF)
1423 {
1424 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1425 fatal (0);
1426 }
1427
1428 ns->send_packet (sl);
1429}
1430
1431/** 1165/**
1432 * This looks for any spells the player may have that have changed their stats. 1166 * This looks for any spells the player may have that have changed their stats.
1433 * it then sends an updspell packet for each spell that has changed in this way 1167 * it then sends an updspell packet for each spell that has changed in this way
1434 */ 1168 */
1435void 1169void
1436esrv_update_spells (player *pl) 1170esrv_update_spells (player *pl)
1437{ 1171{
1438 if (!pl->ns) 1172 if (!pl->ns)
1439 return; 1173 return;
1440 1174
1175 pl->ns->update_spells = false;
1176
1441 if (!pl->ns->monitor_spells) 1177 if (!pl->ns->monitor_spells)
1442 return; 1178 return;
1443 1179
1444 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1180 for (object *spell = pl->ob->inv; spell; spell = spell->below)
1445 {
1446 if (spell->type == SPELL) 1181 if (spell->type == SPELL)
1447 { 1182 {
1448 int flags = 0; 1183 int flags = 0;
1184 int val;
1449 1185
1450 /* check if we need to update it */ 1186 /* check if we need to update it */
1451 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1187 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1188 if (spell->cached_sp != val)
1452 { 1189 {
1453 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1190 spell->cached_sp = val;
1454 flags |= UPD_SP_MANA; 1191 flags |= UPD_SP_MANA;
1455 } 1192 }
1456 1193
1457 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1194 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1195 if (spell->cached_grace != val)
1458 { 1196 {
1459 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1197 spell->cached_grace = val;
1460 flags |= UPD_SP_GRACE; 1198 flags |= UPD_SP_GRACE;
1461 } 1199 }
1462 1200
1463 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1201 val = casting_level (pl->ob, spell);
1202 if (spell->cached_eat != val)
1464 { 1203 {
1465 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1204 spell->cached_eat = val;
1466 flags |= UPD_SP_DAMAGE; 1205 flags |= UPD_SP_LEVEL;
1467 } 1206 }
1468 1207
1469 if (flags) 1208 if (flags)
1470 { 1209 {
1471 packet sl; 1210 packet sl;
1472 1211
1473 sl << "updspell " 1212 sl << "updspell "
1474 << uint8 (flags) 1213 << uint8 (flags)
1475 << uint32 (spell->count); 1214 << uint32 (spell->count);
1476 1215
1477 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1216 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1478 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1217 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1479 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1218 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1480 1219
1481 pl->ns->send_packet (sl); 1220 pl->ns->send_packet (sl);
1482 } 1221 }
1483 } 1222 }
1484 }
1485} 1223}
1486 1224
1487void 1225void
1488esrv_remove_spell (player *pl, object *spell) 1226esrv_remove_spell (player *pl, object *spell)
1489{ 1227{
1514 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1252 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1515 return; 1253 return;
1516 } 1254 }
1517 1255
1518 /* store costs and damage in the object struct, to compare to later */ 1256 /* store costs and damage in the object struct, to compare to later */
1519 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1257 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1520 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1258 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1521 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1259 spell->cached_eat = casting_level (pl->ob, spell);
1522 1260
1523 /* figure out which skill it uses, if it uses one */ 1261 /* figure out which skill it uses, if it uses one */
1524 if (spell->skill) 1262 if (spell->skill)
1525 { 1263 if (object *tmp = pl->find_skill (spell->skill))
1526 for (i = 1; i < NUM_SKILLS; i++) 1264 skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
1527 if (!strcmp (spell->skill, skill_names[i]))
1528 {
1529 skill = i + CS_STAT_SKILLINFO;
1530 break;
1531 }
1532 }
1533 1265
1534 // spells better have a face 1266 // spells better have a face
1535 if (!spell->face) 1267 if (!spell->face)
1536 { 1268 {
1537 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1269 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1538 spell->face = face_find ("burnout.x11", blank_face); 1270 spell->face = face_find ("burnout.x11", blank_face);
1539 } 1271 }
1272
1273 pl->ns->send_face (spell->face);
1540 1274
1541 /* send the current values */ 1275 /* send the current values */
1542 sl << uint32 (spell->count) 1276 sl << uint32 (spell->count)
1543 << uint16 (spell->level) 1277 << uint16 (spell->level)
1544 << uint16 (spell->casting_time) 1278 << uint16 (spell->casting_time)
1545 << uint16 (spell->last_sp) 1279 << uint16 (spell->cached_sp)
1546 << uint16 (spell->last_grace) 1280 << uint16 (spell->cached_grace)
1547 << uint16 (spell->last_eat) 1281 << uint16 (spell->cached_eat)
1548 << uint8 (skill) 1282 << uint8 (skill)
1549 << uint32 (spell->path_attuned) 1283 << uint32 (spell->path_attuned)
1550 << uint32 (spell->face) 1284 << uint32 (spell->face)
1551 << data8 (spell->name) 1285 << data8 (spell->name)
1552 << data16 (spell->msg); 1286 << data16 (spell->msg);
1580 * bytes and 3 strings (because that is the spec) so we need to 1314 * bytes and 3 strings (because that is the spec) so we need to
1581 * check that the length of those 3 strings, plus the 23 bytes, 1315 * check that the length of those 3 strings, plus the 23 bytes,
1582 * won't take us over the length limit for the socket, if it does, 1316 * won't take us over the length limit for the socket, if it does,
1583 * we need to send what we already have, and restart packet formation 1317 * we need to send what we already have, and restart packet formation
1584 */ 1318 */
1319 if (spell->type != SPELL)
1320 continue;
1321
1585 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1322 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1586 * to show add_spell is 26 bytes + 2 strings. However, the overun 1323 * to show add_spell is 26 bytes + 2 strings. However, the overun
1587 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1324 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1588 * like it will fix this 1325 * like it will fix this
1589 */ 1326 */
1590 if (spell->type != SPELL)
1591 continue;
1592
1593 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1327 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1594 { 1328 {
1329 pl->ns->flush_fx ();
1595 pl->ns->send_packet (sl); 1330 pl->ns->send_packet (sl);
1596 1331
1597 sl.reset (); 1332 sl.reset ();
1598 sl << "addspell "; 1333 sl << "addspell ";
1599 } 1334 }
1607 return; 1342 return;
1608 } 1343 }
1609 else 1344 else
1610 append_spell (pl, sl, spell); 1345 append_spell (pl, sl, spell);
1611 1346
1612 if (sl.length () >= MAXSOCKBUF) 1347 if (sl.length () > MAXSOCKBUF)
1613 {
1614 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1348 cleanup ("buffer overflow in esrv_add_spells!");
1615 fatal (0);
1616 }
1617 1349
1618 /* finally, we can send the packet */ 1350 /* finally, we can send the packet */
1351 pl->ns->flush_fx ();
1619 pl->ns->send_packet (sl); 1352 pl->ns->send_packet (sl);
1620} 1353}
1621 1354
1355//-GPL
1356

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