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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.108 by root, Sat Jun 9 20:51:45 2007 UTC vs.
Revision 1.169 by root, Thu Apr 8 17:36:54 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 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 it 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 9 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 18 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * 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>
23 */ 23 */
24
25//+GPL
24 26
25/** 27/**
26 * \file 28 * \file
27 * Client handling. 29 * Client handling.
28 * 30 *
42 44
43#include <global.h> 45#include <global.h>
44#include <sproto.h> 46#include <sproto.h>
45 47
46#include <living.h> 48#include <living.h>
47#include <commands.h>
48 49
49/* 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,
50 * it should work here. 51 * it should work here.
51 */ 52 */
52#include <sys/types.h> 53#include <sys/types.h>
64 * This table translates the attack numbers as used within the 65 * This table translates the attack numbers as used within the
65 * 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
66 * 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
67 * client. 68 * client.
68 */ 69 */
69short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 70static short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS,
70 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 71 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC,
71 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 72 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID,
72 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 73 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ ,
73 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 74 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON,
74 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 75 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD,
99 */ 100 */
100 mx = ns->mapx; 101 mx = ns->mapx;
101 my = ns->mapy; 102 my = ns->mapy;
102 103
103 /* the x and y here are coordinates for the new map, i.e. if we moved 104 /* the x and y here are coordinates for the new map, i.e. if we moved
104 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 105 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
105 * if the destination x or y coordinate is outside the viewable 106 * if the destination x or y coordinate is outside the viewable
106 * area, we clear the values - otherwise, the old values 107 * area, we clear the values - otherwise, the old values
107 * are preserved, and the check_head thinks it needs to clear them. 108 * are preserved, and the check_head thinks it needs to clear them.
108 */ 109 */
109 for (x = 0; x < mx; x++) 110 for (x = 0; x < mx; x++)
110 {
111 for (y = 0; y < my; y++) 111 for (y = 0; y < my; y++)
112 {
113 if (x >= ns->mapx || y >= ns->mapy) 112 if (x >= ns->mapx || y >= ns->mapy)
114 /* clear cells outside the viewable area */ 113 /* clear cells outside the viewable area */
115 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 114 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
116 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 115 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
117 /* clear newly visible tiles within the viewable area */ 116 /* clear newly visible tiles within the viewable area */
118 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 117 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
119 else 118 else
120 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 119 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
121 }
122 }
123 120
124 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 121 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
125 122
126 /* Make sure that the next "map1" command will be sent (even if it is 123 /* Make sure that the next "map1" command will be sent (even if it is
127 * empty). 124 * empty).
130} 127}
131 128
132static void 129static void
133clear_map (player *pl) 130clear_map (player *pl)
134{ 131{
132 pl->ns->mapinfo_queue_clear ();
133
135 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 134 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
136 135
137 pl->ns->force_newmap = false; 136 pl->ns->force_newmap = false;
138 137
139 if (pl->ns->newmapcmd == 1) 138 if (pl->ns->newmapcmd == 1)
140 pl->ns->send_packet ("newmap"); 139 pl->ns->send_packet ("newmap");
141 140
142 pl->ns->floorbox_reset (); 141 pl->ns->floorbox_reset ();
142}
143
144static void
145send_map_info (player *pl)
146{
147 client &socket = *pl->ns;
148 object *ob = pl->viewpoint;
149
150 if (socket.mapinfocmd)
151 {
152 if (ob->map && ob->map->path[0])
153 {
154 int flags = 0;
155
156 if (ob->map->tile_path[0]) flags |= 1;
157 if (ob->map->tile_path[1]) flags |= 2;
158 if (ob->map->tile_path[2]) flags |= 4;
159 if (ob->map->tile_path[3]) flags |= 8;
160
161 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
162 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
163 ob->map->width, ob->map->height, &ob->map->path);
164 }
165 else
166 socket.send_packet ("mapinfo current");
167 }
143} 168}
144 169
145/** check for map/region change and send new map data */ 170/** check for map/region change and send new map data */
146static void 171static void
147check_map_change (player *pl) 172check_map_change (player *pl)
148{ 173{
149 client &socket = *pl->ns; 174 client &socket = *pl->ns;
150 object *ob = pl->observe; 175 object *ob = pl->viewpoint;
176
177 region *reg = ob->region ();
178 if (socket.current_region != reg)
179 {
180 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
181 socket.current_region = reg;
182 }
183
184 // first try to aovid a full newmap on tiled map scrolls
185 if (socket.current_map != ob->map && !socket.force_newmap)
186 {
187 rv_vector rv;
188
189 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
190
191 // manhattan distance is very handy here
192 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
193 {
194 socket.current_map = ob->map;
195 socket.current_x = ob->x;
196 socket.current_y = ob->y;
197
198 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
199 socket.floorbox_reset ();
200 send_map_info (pl);
201 }
202 }
151 203
152 if (socket.current_map != ob->map || socket.force_newmap) 204 if (socket.current_map != ob->map || socket.force_newmap)
153 { 205 {
154 clear_map (pl); 206 clear_map (pl);
155 socket.current_map = ob->map; 207 socket.current_map = ob->map;
156 208 send_map_info (pl);
157 if (socket.mapinfocmd)
158 {
159 if (ob->map && ob->map->path[0])
160 {
161 int flags = 0;
162
163 if (ob->map->tile_path[0]) flags |= 1;
164 if (ob->map->tile_path[1]) flags |= 2;
165 if (ob->map->tile_path[2]) flags |= 4;
166 if (ob->map->tile_path[3]) flags |= 8;
167
168 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
169 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
170 ob->map->width, ob->map->height, &ob->map->path);
171 }
172 else
173 socket.send_packet ("mapinfo current");
174 }
175 } 209 }
176 else if (socket.current_x != ob->x || socket.current_y != ob->y) 210 else if (socket.current_x != ob->x || socket.current_y != ob->y)
177 { 211 {
178 int dx = ob->x - socket.current_x; 212 int dx = ob->x - socket.current_x;
179 int dy = ob->y - socket.current_y; 213 int dy = ob->y - socket.current_y;
180 214
181 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
182 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
183 else
184 {
185 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 215 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
186 socket.floorbox_reset (); 216 socket.floorbox_reset ();
187 }
188 } 217 }
189 218
190 socket.current_x = ob->x; 219 socket.current_x = ob->x;
191 socket.current_y = ob->y; 220 socket.current_y = ob->y;
221}
192 222
193 region *reg = ob->region (); 223/**
194 if (socket.current_region != reg) 224 * This sends the skill number to name mapping. We ignore
195 { 225 * the params - we always send the same info no matter what.
196 socket.current_region = reg; 226 */
197 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname); 227static void
228send_skill_info (client *ns, char *params)
229{
230 packet sl;
231 sl << "replyinfo skill_info\n";
232
233 for (int i = 1; i < NUM_SKILLS; i++)
234 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
235
236 if (sl.length () > MAXSOCKBUF)
198 } 237 {
238 LOG (llevError, "Buffer overflow in send_skill_info!\n");
239 fatal (0);
240 }
241
242 ns->send_packet (sl);
243}
244
245/**
246 * This sends the spell path to name mapping. We ignore
247 * the params - we always send the same info no matter what.
248 */
249static void
250send_spell_paths (client * ns, char *params)
251{
252 packet sl;
253
254 sl << "replyinfo spell_paths\n";
255
256 for (int i = 0; i < NRSPELLPATHS; i++)
257 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
258
259 if (sl.length () > MAXSOCKBUF)
260 {
261 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
262 fatal (0);
263 }
264
265 ns->send_packet (sl);
199} 266}
200 267
201/** 268/**
202 * RequestInfo is sort of a meta command. There is some specific 269 * RequestInfo is sort of a meta command. There is some specific
203 * request of information, but we call other functions to provide 270 * request of information, but we call other functions to provide
204 * that information. 271 * that information.
205 */ 272 */
206void 273void
207RequestInfo (char *buf, int len, client * ns) 274RequestInfo (char *buf, int len, client *ns)
208{ 275{
209 char *params = NULL, *cp; 276 char *params;
210
211 /* No match */
212 char bigbuf[MAX_BUF];
213 int slen;
214
215 /* Set up replyinfo before we modify any of the buffers - this is used
216 * if we don't find a match.
217 */
218 strcpy (bigbuf, "replyinfo ");
219 slen = strlen (bigbuf);
220 safe_strcat (bigbuf, buf, &slen, MAX_BUF);
221 277
222 /* find the first space, make it null, and update the 278 /* find the first space, make it null, and update the
223 * params pointer. 279 * params pointer.
224 */ 280 */
225 for (cp = buf; *cp != '\0'; cp++) 281 for (params = buf; *params; params++)
226 if (*cp == ' ') 282 if (*params == ' ')
227 { 283 {
228 *cp = '\0';
229 params = cp + 1; 284 *params++ = 0;
230 break; 285 break;
231 } 286 }
232 287
233 if (!strcmp (buf, "image_info"))
234 send_image_info (ns, params);
235 else if (!strcmp (buf, "image_sums"))
236 send_image_sums (ns, params);
237 else if (!strcmp (buf, "skill_info")) 288 if (!strcmp (buf, "skill_info"))
238 send_skill_info (ns, params); 289 send_skill_info (ns, params);
239 else if (!strcmp (buf, "spell_paths")) 290 else if (!strcmp (buf, "spell_paths"))
240 send_spell_paths (ns, params); 291 send_spell_paths (ns, params);
241 else 292 else
242 ns->send_packet (bigbuf, len); 293 {
294 // undo tokenisation above and send replyinfo with the request unchanged
295 if (*params)
296 *--params = ' ';
297
298 ns->send_packet_printf ("replyinfo %s", buf);
299 }
243} 300}
244 301
245void 302void
246ExtCmd (char *buf, int len, player *pl) 303ExtCmd (char *buf, int len, player *pl)
247{ 304{
250 307
251void 308void
252ExtiCmd (char *buf, int len, client *ns) 309ExtiCmd (char *buf, int len, client *ns)
253{ 310{
254 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 311 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
312}
313
314//-GPL
315
316void
317client::mapinfo_queue_clear ()
318{
319 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
320 free (*i);
321
322 mapinfo_queue.clear ();
323}
324
325bool
326client::mapinfo_try (char *buf)
327{
328 char *token = buf;
329 buf += strlen (buf) + 9;
330
331 // initial map and its origin
332 maptile *map = pl->viewpoint->map;
333 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
334 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
335 int max_distance = 8; // limit maximum path length to something generous
336
337 while (*buf && map && max_distance)
338 {
339 int dir = *buf++ - '1';
340
341 if (dir >= 0 && dir <= 3)
342 {
343 if (!map->tile_path [dir])
344 map = 0;
345 else if (map->tile_available (dir, false))
346 {
347 maptile *neigh = map->tile_map [dir];
348
349 switch (dir)
350 {
351 case 0: mapy -= neigh->height; break;
352 case 2: mapy += map ->height; break;
353 case 3: mapx -= neigh->width ; break;
354 case 1: mapx += map ->width ; break;
355 }
356
357 map = neigh;
358 --max_distance;
359 }
360 else
361 return 0;
362 }
363 else
364 max_distance = 0;
365 }
366
367 if (!max_distance)
368 send_packet_printf ("mapinfo %s error", token);
369 else if (!map || !map->path)
370 send_packet_printf ("mapinfo %s nomap", token);
371 else
372 {
373 int flags = 0;
374
375 if (map->tile_path[0]) flags |= 1;
376 if (map->tile_path[1]) flags |= 2;
377 if (map->tile_path[2]) flags |= 4;
378 if (map->tile_path[3]) flags |= 8;
379
380 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
381 }
382
383 return 1;
384}
385
386void
387client::mapinfo_queue_run ()
388{
389 if (mapinfo_queue.empty () || !pl)
390 return;
391
392 for (int i = 0; i < mapinfo_queue.size (); ++i)
393 if (mapinfo_try (mapinfo_queue [i]))
394 {
395 free (mapinfo_queue [i]);
396 mapinfo_queue.erase (i);
397 }
398 else
399 ++i;
255} 400}
256 401
257void 402void
258MapInfoCmd (char *buf, int len, player *pl) 403MapInfoCmd (char *buf, int len, player *pl)
259{ 404{
260 // <mapinfo tag spatial tile-path 405 // <mapinfo tag spatial tile-path
261 // >mapinfo tag spatial flags x y w h hash 406 // >mapinfo tag spatial flags x y w h hash
262 407
263 char bigbuf[MAX_BUF], *token;
264
265 token = buf; 408 char *token = buf;
266 // copy token 409
267 if (!(buf = strchr (buf, ' '))) 410 if (!(buf = strchr (buf, ' ')))
268 return; 411 return;
269 412
270 *buf++ = 0;
271
272 if (!strncmp (buf, "spatial ", 8)) 413 if (!strncmp (buf, " spatial ", 9))
273 { 414 {
274 buf += 8; 415 char *copy = strdup (token);
416 copy [buf - token] = 0;
275 417
276 // initial map and its origin 418#if 0
277 maptile *map = pl->ob->map; 419 // this makes only sense when we flush the buffer immediately
278 sint16 dx, dy; 420 if (pl->ns->mapinfo_try (copy))
279 int mapx = pl->ns->mapx / 2 - pl->ob->x; 421 free (copy);
280 int mapy = pl->ns->mapy / 2 - pl->ob->y;
281 int max_distance = 8; // limit maximum path length to something generous
282
283 while (*buf && map && max_distance)
284 {
285 int dir = *buf++;
286
287 switch (dir)
288 {
289 case '1':
290 dx = 0;
291 dy = -1;
292 map = map->xy_find (dx, dy);
293 map && (mapy -= map->height);
294 break;
295 case '2':
296 mapx += map->width;
297 dx = map->width;
298 dy = 0;
299 map = map->xy_find (dx, dy);
300 break;
301 case '3':
302 mapy += map->height;
303 dx = 0;
304 dy = map->height;
305 map = map->xy_find (dx, dy);
306 break;
307 case '4':
308 dx = -1;
309 dy = 0;
310 map = map->xy_find (dx, dy);
311 map && (mapx -= map->width);
312 break;
313 }
314
315 --max_distance;
316 }
317
318 if (!max_distance)
319 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
320 else if (map && map->path[0])
321 {
322 int flags = 0;
323
324 if (map->tile_path[0]) flags |= 1;
325 if (map->tile_path[1]) flags |= 2;
326 if (map->tile_path[2]) flags |= 4;
327 if (map->tile_path[3]) flags |= 8;
328
329 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
330 }
331 else 422 else
332 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 423#endif
424 pl->ns->mapinfo_queue.push_back (copy);
333 } 425 }
334 else 426 else
335 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 427 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
336
337 pl->ns->send_packet (bigbuf);
338} 428}
339 429
340/** This is the Setup cmd */ 430/** This is the Setup cmd */
341void 431void
342SetUp (char *buf, int len, client * ns) 432SetUp (char *buf, int len, client * ns)
354AddMeCmd (char *buf, int len, client *ns) 444AddMeCmd (char *buf, int len, client *ns)
355{ 445{
356 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 446 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
357} 447}
358 448
359/** Reply to ExtendedInfos command */ 449//+GPL
360void
361ToggleExtendedInfos (char *buf, int len, client * ns)
362{
363 char cmdback[MAX_BUF];
364 char command[50];
365 int info, nextinfo;
366
367 cmdback[0] = '\0';
368 nextinfo = 0;
369
370 while (1)
371 {
372 /* 1. Extract an info */
373 info = nextinfo;
374
375 while ((info < len) && (buf[info] == ' '))
376 info++;
377
378 if (info >= len)
379 break;
380
381 nextinfo = info + 1;
382
383 while ((nextinfo < len) && (buf[nextinfo] != ' '))
384 nextinfo++;
385
386 if (nextinfo - info >= 49) /*Erroneous info asked */
387 continue;
388
389 strncpy (command, &(buf[info]), nextinfo - info);
390
391 /* 2. Interpret info */
392 if (!strcmp ("smooth", command))
393 /* Toggle smoothing */
394 ns->EMI_smooth = !ns->EMI_smooth;
395 else
396 /*bad value */;
397
398 /*3. Next info */
399 }
400
401 strcpy (cmdback, "ExtendedInfoSet");
402
403 if (ns->EMI_smooth)
404 {
405 strcat (cmdback, " ");
406 strcat (cmdback, "smoothing");
407 }
408
409 ns->send_packet (cmdback);
410}
411 450
412/* 451/*
413#define MSG_TYPE_BOOK 1 452#define MSG_TYPE_BOOK 1
414#define MSG_TYPE_CARD 2 453#define MSG_TYPE_CARD 2
415#define MSG_TYPE_PAPER 3 454#define MSG_TYPE_PAPER 3
432 while (1) 471 while (1)
433 { 472 {
434 /* 1. Extract an info */ 473 /* 1. Extract an info */
435 info = nextinfo; 474 info = nextinfo;
436 475
437 while ((info < len) && (buf[info] == ' ')) 476 while ((info < len) && (buf [info] == ' '))
438 info++; 477 info++;
439 478
440 if (info >= len) 479 if (info >= len)
441 break; 480 break;
442 481
443 nextinfo = info + 1; 482 nextinfo = info + 1;
444 483
445 while ((nextinfo < len) && (buf[nextinfo] != ' ')) 484 while ((nextinfo < len) && (buf [nextinfo] != ' '))
446 nextinfo++; 485 nextinfo++;
447 486
448 if (nextinfo - info >= 49) /*Erroneous info asked */ 487 if (nextinfo - info >= 49) /*Erroneous info asked */
449 continue; 488 continue;
450 489
451 strncpy (command, &(buf[info]), nextinfo - info); 490 memcpy (command, buf + info, nextinfo - info);
452 command[nextinfo - info] = '\0'; 491 command [nextinfo - info] = 0;
492
453 /* 2. Interpret info */ 493 /* 2. Interpret info */
454 i = sscanf (command, "%d", &flag); 494 i = sscanf (command, "%d", &flag);
455 495
456 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST)) 496 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
457 ns->supported_readables |= (1 << flag); 497 ns->supported_readables |= (1 << flag);
471 511
472 ns->send_packet (cmdback); 512 ns->send_packet (cmdback);
473} 513}
474 514
475/** 515/**
476 * client requested an image. send it rate-limited
477 * before flushing.
478 */
479void
480AskFaceCmd (char *buf, int len, client *ns)
481{
482 ns->askface.push_back (atoi (buf));
483}
484
485/**
486 * Tells client the picture it has to use
487 * to smooth a picture number given as argument.
488 */
489void
490AskSmooth (char *buf, int len, client *ns)
491{
492 ns->send_face (atoi (buf));
493 ns->flush_fx ();
494}
495
496/**
497 * This handles the general commands from the client (ie, north, fire, cast, 516 * This handles the general commands from the client (ie, north, fire, cast,
498 * etc.) 517 * etc.)
499 */ 518 */
500void 519void
501PlayerCmd (char *buf, int len, player *pl) 520PlayerCmd (char *buf, int len, player *pl)
512 return; 531 return;
513 532
514 buf++; 533 buf++;
515 } 534 }
516 535
517 execute_newserver_command (pl->ob, (char *) buf); 536 execute_newserver_command (pl->ob, (char *)buf);
518 537
519 /* Perhaps something better should be done with a left over count. 538 /* Perhaps something better should be done with a left over count.
520 * Cleaning up the input should probably be done first - all actions 539 * Cleaning up the input should probably be done first - all actions
521 * for the command that issued the count should be done before any other 540 * for the command that issued the count should be done before any other
522 * commands. 541 * commands.
533void 552void
534NewPlayerCmd (char *buf, int len, player *pl) 553NewPlayerCmd (char *buf, int len, player *pl)
535{ 554{
536 if (len <= 6) 555 if (len <= 6)
537 { 556 {
538 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 557 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
539 return; 558 return;
540 } 559 }
541 560
542 uint16 cmdid = net_uint16 ((uint8 *)buf); 561 uint16 cmdid = net_uint16 ((uint8 *)buf);
543 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 562 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
556 * commands. 575 * commands.
557 */ 576 */
558 pl->count = 0; 577 pl->count = 0;
559 578
560 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 579 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
561 int time = fabs (pl->ob->speed) < 0.001 580 int time = pl->ob->has_active_speed ()
562 ? time = MAX_TIME * 100
563 : time = (int) (MAX_TIME / fabs (pl->ob->speed)); 581 ? (int) (MAX_TIME / pl->ob->speed)
582 : MAX_TIME * 100;
564 583
565 /* Send confirmation of command execution now */ 584 /* Send confirmation of command execution now */
566 packet sl ("comc"); 585 packet sl ("comc");
567 sl << uint16 (cmdid) << uint32 (time); 586 sl << uint16 (cmdid) << uint32 (time);
568 pl->ns->send_packet (sl); 587 pl->ns->send_packet (sl);
610 LOG (llevError, "Unknown input state: %d\n", ns->state); 629 LOG (llevError, "Unknown input state: %d\n", ns->state);
611 } 630 }
612} 631}
613 632
614/** 633/**
615 * Client tells its version. If there is a mismatch, we close the 634 * Client tells its version info.
616 * socket. In real life, all we should care about is the client having
617 * something older than the server. If we assume the client will be
618 * backwards compatible, having it be a later version should not be a
619 * problem.
620 */ 635 */
621void 636void
622VersionCmd (char *buf, int len, client * ns) 637VersionCmd (char *buf, int len, client *ns)
623{ 638{
624 if (!buf) 639 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
625 {
626 LOG (llevError, "CS: received corrupted version command\n");
627 return;
628 }
629
630 ns->cs_version = atoi (buf);
631 ns->sc_version = ns->cs_version;
632
633 LOG (llevDebug, "connection from client <%s>\n", buf);
634
635 //TODO: should log here just for statistics
636
637 //if (VERSION_CS != ns->cs_version)
638 // unchecked;
639
640 char *cp = strchr (buf + 1, ' ');
641 if (!cp)
642 return;
643
644 ns->sc_version = atoi (cp);
645
646 //if (VERSION_SC != ns->sc_version)
647 // unchecked;
648
649 cp = strchr (cp + 1, ' ');
650
651 if (cp)
652 {
653 ns->version = cp + 1;
654
655 if (ns->sc_version < 1026)
656 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
657 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
658 }
659} 640}
660 641
661/** sound related functions. */ 642/** sound related functions. */
662void 643void
663SetSound (char *buf, int len, client * ns) 644SetSound (char *buf, int len, client * ns)
681 * syntax is: move (to) (tag) (nrof) 662 * syntax is: move (to) (tag) (nrof)
682 */ 663 */
683void 664void
684MoveCmd (char *buf, int len, player *pl) 665MoveCmd (char *buf, int len, player *pl)
685{ 666{
686 int vals[3], i; 667 int to, tag, nrof;
687 668
688 /* A little funky here. We only cycle for 2 records, because 669 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
689 * we obviously are not going to find a space after the third
690 * record. Perhaps we should just replace this with a
691 * sscanf?
692 */
693 for (i = 0; i < 2; i++)
694 { 670 {
695 vals[i] = atoi (buf);
696
697 if (!(buf = strchr (buf, ' ')))
698 {
699 LOG (llevError, "Incomplete move command: %s\n", buf); 671 LOG (llevError, "Incomplete move command: %s\n", buf);
700 return; 672 return;
701 }
702
703 buf++;
704 } 673 }
705 674
706 vals[2] = atoi (buf); 675 esrv_move_object (pl->ob, to, tag, nrof);
707
708/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
709 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
710} 676}
711 677
712/****************************************************************************** 678/******************************************************************************
713 * 679 *
714 * Start of commands the server sends to the client. 680 * Start of commands the server sends to the client.
729 * Get player's current range attack in obuf. 695 * Get player's current range attack in obuf.
730 */ 696 */
731static void 697static void
732rangetostring (player *pl, char *obuf) 698rangetostring (player *pl, char *obuf)
733{ 699{
734 dynbuf_text buf; 700 dynbuf_text &buf = msg_dynbuf; buf.clear ();
701
702#if 0
703 // print ranged/chosen_skill etc. objects every call
704 printf ("%s %s => %s (%s)\n",
705 pl->ranged_ob ? &pl->ranged_ob->name : "-",
706 pl->combat_ob ? &pl->combat_ob->name : "-",
707 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
708 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
709 );
710#endif
735 711
736 if (pl->ranged_ob) 712 if (pl->ranged_ob)
737 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; 713 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
738 714
739 if (pl->combat_ob) 715 if (pl->combat_ob)
747 723
748 //TODO: maybe golem should become the current_weapon, quite simply? 724 //TODO: maybe golem should become the current_weapon, quite simply?
749 if (pl->golem) 725 if (pl->golem)
750 buf << " Golem*: " << pl->golem->name; 726 buf << " Golem*: " << pl->golem->name;
751 727
728 buf << '\0';
752 buf.linearise (obuf); 729 buf.linearise (obuf);
753 obuf [buf.size ()] = 0;
754} 730}
755 731
756#define AddIfInt64(Old,New,Type) if (Old != New) {\ 732#define AddIfInt64(Old,New,Type) if (Old != New) {\
757 Old = New; \ 733 Old = New; \
758 sl << uint8 (Type) << uint64 (New); \ 734 sl << uint8 (Type) << uint64 (New); \
815 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 791 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
816 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 792 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
817 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 793 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
818 794
819 for (int s = 0; s < NUM_SKILLS; s++) 795 for (int s = 0; s < NUM_SKILLS; s++)
820 if (object *skill = opl->last_skill_ob[s]) 796 if (object *skill = opl->last_skill_ob [s])
821 if (skill->stats.exp != ns->last_skill_exp [s]) 797 if (skill->stats.exp != ns->last_skill_exp [s])
822 { 798 {
823 ns->last_skill_exp [s] = skill->stats.exp; 799 ns->last_skill_exp [s] = skill->stats.exp;
824 800
825 /* Always send along the level if exp changes. This is only 801 /* Always send along the level if exp changes. This is only
833 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 809 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
834 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 810 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
835 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 811 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
836 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 812 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
837 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 813 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
838 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK); 814 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
839 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 815 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
840 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK); 816 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
841 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 817 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
842 818
843 flags = 0; 819 flags = 0;
844 820
845 if (opl->fire_on) 821 if (opl->fire_on)
848 if (opl->run_on) 824 if (opl->run_on)
849 flags |= SF_RUNON; 825 flags |= SF_RUNON;
850 826
851 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); 827 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
852 828
853 if (ns->sc_version < 1025)
854 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
855 else
856 for (int i = 0; i < NROFATTACKS; i++) 829 for (int i = 0; i < NROFATTACKS; i++)
857 { 830 {
858 /* Skip ones we won't send */ 831 /* Skip ones we won't send */
859 if (atnr_cs_stat[i] == -1) 832 if (atnr_cs_stat[i] == -1)
860 continue; 833 continue;
861 834
862 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]); 835 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
863 } 836 }
864 837
865 if (pl->ns->monitor_spells) 838 if (pl->ns->monitor_spells)
866 { 839 {
867 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 840 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
868 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 841 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
881 854
882/** 855/**
883 * Tells the client that here is a player it should start using. 856 * Tells the client that here is a player it should start using.
884 */ 857 */
885void 858void
886esrv_new_player (player *pl, uint32 weight) 859esrv_new_player (player *pl)
887{ 860{
861 sint32 weight = pl->ob->client_weight ();
862
888 packet sl ("player"); 863 packet sl ("player");
889 864
890 sl << uint32 (pl->ob->count) 865 sl << uint32 (pl->ob->count)
891 << uint32 (weight) 866 << uint32 (weight)
892 << uint32 (pl->ob->face) 867 << uint32 (pl->ob->face)
893 << data8 (pl->ob->name); 868 << data8 (pl->ob->name);
894 869
895 pl->ns->last_weight = weight; 870 pl->ns->last_weight = weight;
896 pl->ns->send_packet (sl); 871 pl->ns->send_packet (sl);
897 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
898} 872}
899 873
900/****************************************************************************** 874/******************************************************************************
901 * 875 *
902 * Start of map related commands. 876 * Start of map related commands.
959 933
960 if (!ns.faces_sent[face_num]) 934 if (!ns.faces_sent[face_num])
961 if (ob) 935 if (ob)
962 ns.send_faces (ob); 936 ns.send_faces (ob);
963 else 937 else
964 ns.send_face (face_num); 938 ns.send_face (face_num, 10);
965 939
966 sl << uint16 (face_num); 940 sl << uint16 (face_num);
967 return 1; 941 return 1;
968 } 942 }
969 943
970 /* Nothing changed */ 944 /* Nothing changed */
971 return 0; 945 return 0;
972} 946}
973 947
974/** 948//-GPL
975 * Returns the size of a data for a map square as returned by
976 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
977 * available.
978 */
979int
980getExtendedMapInfoSize (client * ns)
981{
982 int result = 0;
983
984 if (ns->ext_mapinfos)
985 {
986 if (ns->EMI_smooth)
987 result += 1; /*One byte for smoothlevel */
988 }
989
990 return result;
991}
992 949
993// prefetch (and touch) all maps within a specific distancd 950// prefetch (and touch) all maps within a specific distancd
994static void 951static void
995prefetch_surrounding_maps (maptile *map, int distance) 952prefetch_surrounding_maps (maptile *map, int distance)
996{ 953{
997 map->last_access = runtime; 954 map->touch ();
998 955
999 if (--distance) 956 if (--distance)
1000 for (int dir = 4; --dir; ) 957 for (int dir = 4; dir--; )
1001 if (const shstr &path = map->tile_path [dir]) 958 if (const shstr &path = map->tile_path [dir])
1002 if (maptile *&neigh = map->tile_map [dir]) 959 if (maptile *&neigh = map->tile_map [dir])
1003 prefetch_surrounding_maps (neigh, distance); 960 prefetch_surrounding_maps (neigh, distance);
1004 else 961 else
1005 neigh = maptile::find_async (path, map); 962 neigh = maptile::find_async (path, map);
1010prefetch_surrounding_maps (object *op) 967prefetch_surrounding_maps (object *op)
1011{ 968{
1012 prefetch_surrounding_maps (op->map, 3); 969 prefetch_surrounding_maps (op->map, 3);
1013} 970}
1014 971
972//+GPL
973
1015/** 974/**
1016 * Draws client map. 975 * Draws client map.
1017 */ 976 */
1018void 977void
1019draw_client_map (player *pl) 978draw_client_map (player *pl)
1020{ 979{
1021 object *ob = pl->observe; 980 object *ob = pl->viewpoint;
1022 if (!ob->active) 981 if (!pl->observe->active)
1023 return; 982 return;
1024
1025 maptile *plmap = ob->map;
1026 983
1027 /* If player is just joining the game, he isn't here yet, so the map 984 /* If player is just joining the game, he isn't here yet, so the map
1028 * can get swapped out. If so, don't try to send them a map. All will 985 * can get swapped out. If so, don't try to send them a map. All will
1029 * be OK once they really log in. 986 * be OK once they really log in.
1030 */ 987 */
1031 if (!plmap || plmap->in_memory != MAP_IN_MEMORY) 988 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1032 return; 989 return;
1033 990
1034 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1035 int estartlen, eoldlen; 991 int startlen, oldlen;
1036 uint8 eentrysize;
1037 uint16 ewhatstart, ewhatflag;
1038 uint8 extendedinfos;
1039 992
1040 check_map_change (pl); 993 check_map_change (pl);
1041 prefetch_surrounding_maps (pl->ob); 994 prefetch_surrounding_maps (pl->ob);
1042 995
1043 /* do LOS after calls to update_position */ 996 /* do LOS after calls to update_position */
1044 if (ob != pl->ob) 997 /* unfortunately, we need to udpate los when observing, currently */
1045 clear_los (pl); 998 if (pl->do_los || pl->viewpoint != pl->ob)
1046 else if (pl->do_los)
1047 { 999 {
1048 update_los (ob);
1049 pl->do_los = 0; 1000 pl->do_los = 0;
1001 pl->update_los ();
1050 } 1002 }
1051 1003
1052 /** 1004 /**
1053 * This function uses the new map1 protocol command to send the map 1005 * This function uses the new map1 protocol command to send the map
1054 * to the client. It is necessary because the old map command supports 1006 * to the client. It is necessary because the old map command supports
1073 */ 1025 */
1074 1026
1075 client &socket = *pl->ns; 1027 client &socket = *pl->ns;
1076 1028
1077 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1029 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1078 packet esl;
1079 1030
1080 startlen = sl.length (); 1031 startlen = sl.length ();
1081 1032
1082 /*Extendedmapinfo structure initialisation */ 1033 int hx = socket.mapx / 2;
1083 if (socket.ext_mapinfos) 1034 int hy = socket.mapy / 2;
1084 {
1085 extendedinfos = EMI_NOREDRAW;
1086 1035
1087 if (socket.EMI_smooth) 1036 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1088 extendedinfos |= EMI_SMOOTH; 1037 int ax = dx + hx;
1038 int ay = dy + hy;
1089 1039
1090 ewhatstart = esl.length (); 1040 int mask = (ax << 10) | (ay << 4);
1091 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit 1041 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1092 could need to be taken away */
1093 eentrysize = getExtendedMapInfoSize (&socket);
1094 esl << "mapextended "
1095 << uint8 (extendedinfos)
1096 << uint8 (eentrysize);
1097 1042
1098 estartlen = esl.length (); 1043 /* If the coordinates are not valid, or it is too dark to see,
1099 } 1044 * we tell the client as such
1100
1101 /* x,y are the real map locations. ax, ay are viewport relative
1102 * locations.
1103 */ 1045 */
1104 ay = 0; 1046 if (!m)
1105
1106 /* We could do this logic as conditionals in the if statement,
1107 * but that started to get a bit messy to look at.
1108 */
1109 max_x = ob->x + (socket.mapx + 1) / 2;
1110 max_y = ob->y + (socket.mapy + 1) / 2;
1111
1112 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1113 { 1047 {
1114 sint16 nx, ny; 1048 /* space is out of map. Update space and clear values
1115 maptile *m = 0; 1049 * if this hasn't already been done. If the space is out
1116 1050 * of the map, it shouldn't have a head.
1117 ax = 0; 1051 */
1118 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++) 1052 if (lastcell.count != -1)
1119 { 1053 {
1120 // check to see if we can simply go one right quickly 1054 sl << uint16 (mask);
1055 map_clearcell (&lastcell, -1);
1121 ++nx; 1056 }
1122 if (m && nx >= m->width) 1057
1058 continue;
1059 }
1060
1061 int d = pl->blocked_los_uc (dx, dy);
1062
1063 if (d > 3)
1064 {
1065 /* This block deals with spaces that are not visible for whatever
1066 * reason. Still may need to send the head for this space.
1067 */
1068 if (lastcell.count != -1
1069 || lastcell.faces[0]
1070 || lastcell.faces[1]
1071 || lastcell.faces[2]
1072 || lastcell.stat_hp
1073 || lastcell.flags
1074 || lastcell.player)
1075 sl << uint16 (mask);
1076
1077 /* properly clear a previously sent big face */
1078 map_clearcell (&lastcell, -1);
1079 }
1080 else
1081 {
1082 /* In this block, the space is visible.
1083 */
1084
1085 /* Rather than try to figure out what everything that we might
1086 * need to send is, then form the packet after that,
1087 * we presume that we will in fact form a packet, and update
1088 * the bits by what we do actually send. If we send nothing,
1089 * we just back out sl.length () to the old value, and no harm
1090 * is done.
1091 * I think this is simpler than doing a bunch of checks to see
1092 * what if anything we need to send, setting the bits, then
1093 * doing those checks again to add the real data.
1094 */
1095 oldlen = sl.length ();
1096
1097 sl << uint16 (mask);
1098
1099 unsigned char dummy;
1100 unsigned char *last_ext = &dummy;
1101
1102 /* Darkness changed */
1103 if (lastcell.count != d)
1104 {
1123 m = 0; 1105 mask |= 0x8;
1124 1106
1125 if (!m) 1107 *last_ext |= 0x80;
1108 last_ext = &sl[sl.length ()];
1109 sl << uint8 (d);
1110 }
1111
1112 lastcell.count = d;
1113
1114 mapspace &ms = m->at (nx, ny);
1115 ms.update ();
1116
1117 // extmap handling
1118 uint8 stat_hp = 0;
1119 uint8 stat_width = 0;
1120 uint8 flags = 0;
1121 tag_t player = 0;
1122
1123 // send hp information, if applicable
1124 if (object *op = ms.faces_obj [0])
1125 if (op->is_head () && !op->invisible)
1126 { 1126 {
1127 nx = x; ny = y; m = plmap; 1127 if (op->stats.maxhp > op->stats.hp
1128 1128 && op->stats.maxhp > 0
1129 if (!xy_normalise (m, nx, ny)) 1129 && (op->type == PLAYER
1130 || op->type == DOOR // does not work, have maxhp 0
1131 || QUERY_FLAG (op, FLAG_MONSTER)
1132 || QUERY_FLAG (op, FLAG_ALIVE)
1133 || QUERY_FLAG (op, FLAG_GENERATOR)))
1130 m = 0; 1134 {
1135 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1136 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1137 }
1138
1139 if (expect_false (op->has_dialogue ()))
1140 flags |= 1;
1141
1142 if (expect_false (op->type == PLAYER))
1143 player = op == ob ? pl->ob->count
1144 : op == pl->ob ? ob->count
1145 : op->count;
1131 } 1146 }
1132 1147
1133 int emask, mask; 1148 if (expect_false (lastcell.stat_hp != stat_hp))
1134 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1135
1136 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1137
1138 /* If the coordinates are not valid, or it is too dark to see,
1139 * we tell the client as such
1140 */
1141 if (!m)
1142 { 1149 {
1143 /* space is out of map. Update space and clear values 1150 lastcell.stat_hp = stat_hp;
1144 * if this hasn't already been done. If the space is out 1151
1145 * of the map, it shouldn't have a head 1152 mask |= 0x8;
1146 */ 1153 *last_ext |= 0x80;
1147 if (lastcell.count != -1) 1154 last_ext = &sl[sl.length ()];
1155
1156 sl << uint8 (5) << uint8 (stat_hp);
1157
1158 if (stat_width > 1)
1148 { 1159 {
1149 sl << uint16 (mask);
1150 map_clearcell (&lastcell, -1);
1151 }
1152
1153 continue;
1154 }
1155
1156 m->touch ();
1157
1158 int d = pl->blocked_los[ax][ay];
1159
1160 if (d > 3)
1161 {
1162
1163 int need_send = 0, count;
1164
1165 /* This block deals with spaces that are not visible for whatever
1166 * reason. Still may need to send the head for this space.
1167 */
1168
1169 oldlen = sl.length ();
1170
1171 sl << uint16 (mask);
1172
1173 if (lastcell.count != -1)
1174 need_send = 1;
1175
1176 count = -1;
1177
1178 /* properly clear a previously sent big face */
1179 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1180 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1181 need_send = 1;
1182
1183 map_clearcell (&lastcell, count);
1184
1185 if ((mask & 0xf) || need_send)
1186 sl[oldlen + 1] = mask & 0xff;
1187 else
1188 sl.reset (oldlen);
1189 }
1190 else
1191 {
1192 /* In this block, the space is visible.
1193 */
1194
1195 /* Rather than try to figure out what everything that we might
1196 * need to send is, then form the packet after that,
1197 * we presume that we will in fact form a packet, and update
1198 * the bits by what we do actually send. If we send nothing,
1199 * we just back out sl.length () to the old value, and no harm
1200 * is done.
1201 * I think this is simpler than doing a bunch of checks to see
1202 * what if anything we need to send, setting the bits, then
1203 * doing those checks again to add the real data.
1204 */
1205 oldlen = sl.length ();
1206 eoldlen = esl.length ();
1207
1208 sl << uint16 (mask);
1209
1210 unsigned char dummy;
1211 unsigned char *last_ext = &dummy;
1212
1213 /* Darkness changed */
1214 if (lastcell.count != d && socket.darkness)
1215 {
1216 mask |= 0x8;
1217
1218 if (socket.extmap)
1219 {
1220 *last_ext |= 0x80; 1160 *last_ext |= 0x80;
1221 last_ext = &sl[sl.length ()]; 1161 last_ext = &sl[sl.length ()];
1222 sl << uint8 (d); 1162
1223 } 1163 sl << uint8 (6) << uint8 (stat_width);
1224 else
1225 sl << uint8 (255 - 64 * d);
1226 } 1164 }
1165 }
1227 1166
1228 lastcell.count = d; 1167 if (expect_false (lastcell.player != player))
1229
1230 mapspace &ms = m->at (nx, ny);
1231 ms.update ();
1232
1233 if (socket.extmap)
1234 { 1168 {
1235 uint8 stat_hp = 0; 1169 lastcell.player = player;
1236 uint8 stat_width = 0;
1237 uint8 flags = 0;
1238 tag_t player = 0;
1239 1170
1240 // send hp information, if applicable
1241 if (object *op = ms.faces_obj [0])
1242 {
1243 if (op->head || op->invisible)
1244 ; // do not show
1245 else if (op->type == PLAYER
1246 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1247 {
1248 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1249 {
1250 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1251 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1252 }
1253 }
1254
1255 if (op->msg && op->msg[0] == '@')
1256 flags |= 1;
1257
1258 if (op->type == PLAYER && op != ob)
1259 player = op->count;
1260 }
1261
1262 if (lastcell.stat_hp != stat_hp)
1263 {
1264 lastcell.stat_hp = stat_hp;
1265
1266 mask |= 0x8; 1171 mask |= 0x8;
1267 *last_ext |= 0x80; 1172 *last_ext |= 0x80;
1268 last_ext = &sl[sl.length ()]; 1173 last_ext = &sl[sl.length ()];
1269 1174
1270 sl << uint8 (5) << uint8 (stat_hp);
1271
1272 if (stat_width > 1)
1273 {
1274 *last_ext |= 0x80;
1275 last_ext = &sl[sl.length ()];
1276
1277 sl << uint8 (6) << uint8 (stat_width);
1278 }
1279 }
1280
1281 if (lastcell.player != player)
1282 {
1283 lastcell.player = player;
1284
1285 mask |= 0x8;
1286 *last_ext |= 0x80;
1287 last_ext = &sl[sl.length ()];
1288
1289 sl << uint8 (0x47) << uint8 (4) << (uint32)player; 1175 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1290 } 1176 }
1291 1177
1292 if (lastcell.flags != flags) 1178 if (expect_false (lastcell.flags != flags))
1293 { 1179 {
1294 lastcell.flags = flags; 1180 lastcell.flags = flags;
1295 1181
1296 mask |= 0x8; 1182 mask |= 0x8;
1297 *last_ext |= 0x80; 1183 *last_ext |= 0x80;
1298 last_ext = &sl[sl.length ()]; 1184 last_ext = &sl[sl.length ()];
1299 1185
1300 sl << uint8 (8) << uint8 (flags); 1186 sl << uint8 (8) << uint8 (flags);
1301 }
1302 } 1187 }
1303 1188
1189 // faces
1190
1304 /* Floor face */ 1191 /* Floor face */
1305 if (update_space (sl, socket, ms, lastcell, 2)) 1192 if (update_space (sl, socket, ms, lastcell, 2))
1306 mask |= 0x4; 1193 mask |= 0x4;
1307 1194
1308 /* Middle face */ 1195 /* Middle face */
1309 if (update_space (sl, socket, ms, lastcell, 1)) 1196 if (update_space (sl, socket, ms, lastcell, 1))
1310 mask |= 0x2; 1197 mask |= 0x2;
1311 1198
1199 if (expect_false (ob->invisible)
1200 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1312 if (ms.player () == ob 1201 && ms.player () == ob)
1313 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1314 { 1202 {
1315 // force player to be visible to himself if invisible 1203 // force player to be visible to himself if invisible
1316 if (lastcell.faces[0] != ob->face) 1204 if (lastcell.faces[0] != ob->face)
1317 { 1205 {
1318 lastcell.faces[0] = ob->face; 1206 lastcell.faces[0] = ob->face;
1319 1207
1320 mask |= 0x1;
1321 sl << uint16 (ob->face);
1322
1323 socket.send_faces (ob);
1324 }
1325 }
1326 /* Top face */
1327 else if (update_space (sl, socket, ms, lastcell, 0))
1328 mask |= 0x1; 1208 mask |= 0x1;
1209 sl << uint16 (ob->face);
1329 1210
1211 socket.send_faces (ob);
1212 }
1213 }
1214 /* Top face */
1215 else if (update_space (sl, socket, ms, lastcell, 0))
1216 mask |= 0x1;
1217
1330 /* Check to see if we are in fact sending anything for this 1218 /* Check to see if we are in fact sending anything for this
1331 * space by checking the mask. If so, update the mask. 1219 * space by checking the mask. If so, update the mask.
1332 * if not, reset the len to that from before adding the mask 1220 * if not, reset the len to that from before adding the mask
1333 * value, so we don't send those bits. 1221 * value, so we don't send those bits.
1334 */ 1222 */
1335 if (mask & 0xf) 1223 if (mask & 0xf)
1336 sl[oldlen + 1] = mask & 0xff; 1224 sl[oldlen + 1] = mask & 0xff;
1337 else 1225 else
1338 sl.reset (oldlen); 1226 sl.reset (oldlen);
1339
1340 if (socket.ext_mapinfos)
1341 esl << uint16 (emask);
1342
1343 if (socket.EMI_smooth)
1344 {
1345 for (int layer = 2+1; layer--; )
1346 {
1347 object *ob = ms.faces_obj [layer];
1348
1349 // If there is no object for this space, or if the face for the object
1350 // is the blank face, set the smoothlevel to zero.
1351 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1352
1353 // We've gotten what face we want to use for the object. Now see if
1354 // if it has changed since we last sent it to the client.
1355 if (lastcell.smooth[layer] != smoothlevel)
1356 {
1357 lastcell.smooth[layer] = smoothlevel;
1358 esl << uint8 (smoothlevel);
1359 emask |= 1 << layer;
1360 }
1361 }
1362
1363 if (emask & 0xf)
1364 esl[eoldlen + 1] = emask & 0xff;
1365 else
1366 esl.reset (eoldlen);
1367 }
1368 } /* else this is a viewable space */ 1227 } /* else this is a viewable space */
1369 } /* for x loop */ 1228 ordered_mapwalk_end
1370 } /* for y loop */
1371 1229
1372 socket.flush_fx (); 1230 socket.flush_fx ();
1373
1374 /* Verify that we in fact do need to send this */
1375 if (socket.ext_mapinfos)
1376 {
1377 if (!(sl.length () > startlen || socket.sent_scroll))
1378 {
1379 /* No map data will follow, so don't say the client
1380 * it doesn't need draw!
1381 */
1382 ewhatflag &= ~EMI_NOREDRAW;
1383 esl[ewhatstart + 1] = ewhatflag & 0xff;
1384 }
1385
1386 if (esl.length () > estartlen)
1387 socket.send_packet (esl);
1388 }
1389 1231
1390 if (sl.length () > startlen || socket.sent_scroll) 1232 if (sl.length () > startlen || socket.sent_scroll)
1391 { 1233 {
1392 socket.send_packet (sl); 1234 socket.send_packet (sl);
1393 socket.sent_scroll = 0; 1235 socket.sent_scroll = 0;
1394 } 1236 }
1395} 1237}
1396 1238
1397/*****************************************************************************/
1398/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1399/* a player. Of course, the client need to know the command to be able to */
1400/* manage it ! */
1401/*****************************************************************************/
1402void
1403send_plugin_custom_message (object *pl, char *buf)
1404{
1405 pl->contr->ns->send_packet (buf);
1406}
1407
1408/**
1409 * This sends the skill number to name mapping. We ignore
1410 * the params - we always send the same info no matter what.
1411 */
1412void
1413send_skill_info (client *ns, char *params)
1414{
1415 packet sl;
1416 sl << "replyinfo skill_info\n";
1417
1418 for (int i = 1; i < NUM_SKILLS; i++)
1419 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
1420
1421 if (sl.length () >= MAXSOCKBUF)
1422 {
1423 LOG (llevError, "Buffer overflow in send_skill_info!\n");
1424 fatal (0);
1425 }
1426
1427 ns->send_packet (sl);
1428}
1429
1430/**
1431 * This sends the spell path to name mapping. We ignore
1432 * the params - we always send the same info no matter what.
1433 */
1434void
1435send_spell_paths (client * ns, char *params)
1436{
1437 packet sl;
1438
1439 sl << "replyinfo spell_paths\n";
1440
1441 for (int i = 0; i < NRSPELLPATHS; i++)
1442 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1443
1444 if (sl.length () >= MAXSOCKBUF)
1445 {
1446 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1447 fatal (0);
1448 }
1449
1450 ns->send_packet (sl);
1451}
1452
1453/** 1239/**
1454 * This looks for any spells the player may have that have changed their stats. 1240 * This looks for any spells the player may have that have changed their stats.
1455 * it then sends an updspell packet for each spell that has changed in this way 1241 * it then sends an updspell packet for each spell that has changed in this way
1456 */ 1242 */
1457void 1243void
1458esrv_update_spells (player *pl) 1244esrv_update_spells (player *pl)
1459{ 1245{
1460 if (!pl->ns) 1246 if (!pl->ns)
1461 return; 1247 return;
1462 1248
1249 pl->ns->update_spells = false;
1250
1463 if (!pl->ns->monitor_spells) 1251 if (!pl->ns->monitor_spells)
1464 return; 1252 return;
1465 1253
1466 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1254 for (object *spell = pl->ob->inv; spell; spell = spell->below)
1467 {
1468 if (spell->type == SPELL) 1255 if (spell->type == SPELL)
1469 { 1256 {
1470 int flags = 0; 1257 int flags = 0;
1258 int val;
1471 1259
1472 /* check if we need to update it */ 1260 /* check if we need to update it */
1473 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1261 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1262 if (spell->cached_sp != val)
1474 { 1263 {
1475 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1264 spell->cached_sp = val;
1476 flags |= UPD_SP_MANA; 1265 flags |= UPD_SP_MANA;
1477 } 1266 }
1478 1267
1479 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1268 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1269 if (spell->cached_grace != val)
1480 { 1270 {
1481 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1271 spell->cached_grace = val;
1482 flags |= UPD_SP_GRACE; 1272 flags |= UPD_SP_GRACE;
1483 } 1273 }
1484 1274
1485 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1275 val = casting_level (pl->ob, spell);
1276 if (spell->cached_eat != val)
1486 { 1277 {
1487 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1278 spell->cached_eat = val;
1488 flags |= UPD_SP_DAMAGE; 1279 flags |= UPD_SP_LEVEL;
1489 } 1280 }
1490 1281
1491 if (flags) 1282 if (flags)
1492 { 1283 {
1493 packet sl; 1284 packet sl;
1494 1285
1495 sl << "updspell " 1286 sl << "updspell "
1496 << uint8 (flags) 1287 << uint8 (flags)
1497 << uint32 (spell->count); 1288 << uint32 (spell->count);
1498 1289
1499 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1290 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1500 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1291 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1501 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1292 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1502 1293
1503 pl->ns->send_packet (sl); 1294 pl->ns->send_packet (sl);
1504 } 1295 }
1505 } 1296 }
1506 }
1507} 1297}
1508 1298
1509void 1299void
1510esrv_remove_spell (player *pl, object *spell) 1300esrv_remove_spell (player *pl, object *spell)
1511{ 1301{
1536 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1326 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1537 return; 1327 return;
1538 } 1328 }
1539 1329
1540 /* store costs and damage in the object struct, to compare to later */ 1330 /* store costs and damage in the object struct, to compare to later */
1541 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1331 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1542 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1332 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1543 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1333 spell->cached_eat = casting_level (pl->ob, spell);
1544 1334
1545 /* figure out which skill it uses, if it uses one */ 1335 /* figure out which skill it uses, if it uses one */
1546 if (spell->skill) 1336 if (spell->skill)
1547 { 1337 if (object *tmp = pl->find_skill (spell->skill))
1548 for (i = 1; i < NUM_SKILLS; i++)
1549 if (!strcmp (spell->skill, skill_names[i]))
1550 {
1551 skill = i + CS_STAT_SKILLINFO; 1338 skill = tmp->subtype + CS_STAT_SKILLINFO;
1552 break;
1553 }
1554 }
1555 1339
1556 // spells better have a face 1340 // spells better have a face
1557 if (!spell->face) 1341 if (!spell->face)
1558 { 1342 {
1559 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1343 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1560 spell->face = face_find ("burnout.x11", blank_face); 1344 spell->face = face_find ("burnout.x11", blank_face);
1561 } 1345 }
1346
1347 pl->ns->send_face (spell->face);
1562 1348
1563 /* send the current values */ 1349 /* send the current values */
1564 sl << uint32 (spell->count) 1350 sl << uint32 (spell->count)
1565 << uint16 (spell->level) 1351 << uint16 (spell->level)
1566 << uint16 (spell->casting_time) 1352 << uint16 (spell->casting_time)
1567 << uint16 (spell->last_sp) 1353 << uint16 (spell->cached_sp)
1568 << uint16 (spell->last_grace) 1354 << uint16 (spell->cached_grace)
1569 << uint16 (spell->last_eat) 1355 << uint16 (spell->cached_eat)
1570 << uint8 (skill) 1356 << uint8 (skill)
1571 << uint32 (spell->path_attuned) 1357 << uint32 (spell->path_attuned)
1572 << uint32 (spell->face) 1358 << uint32 (spell->face)
1573 << data8 (spell->name) 1359 << data8 (spell->name)
1574 << data16 (spell->msg); 1360 << data16 (spell->msg);
1602 * bytes and 3 strings (because that is the spec) so we need to 1388 * bytes and 3 strings (because that is the spec) so we need to
1603 * check that the length of those 3 strings, plus the 23 bytes, 1389 * check that the length of those 3 strings, plus the 23 bytes,
1604 * won't take us over the length limit for the socket, if it does, 1390 * won't take us over the length limit for the socket, if it does,
1605 * we need to send what we already have, and restart packet formation 1391 * we need to send what we already have, and restart packet formation
1606 */ 1392 */
1393 if (spell->type != SPELL)
1394 continue;
1395
1607 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1396 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1608 * to show add_spell is 26 bytes + 2 strings. However, the overun 1397 * to show add_spell is 26 bytes + 2 strings. However, the overun
1609 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1398 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1610 * like it will fix this 1399 * like it will fix this
1611 */ 1400 */
1612 if (spell->type != SPELL)
1613 continue;
1614
1615 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1401 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1616 { 1402 {
1403 pl->ns->flush_fx ();
1617 pl->ns->send_packet (sl); 1404 pl->ns->send_packet (sl);
1618 1405
1619 sl.reset (); 1406 sl.reset ();
1620 sl << "addspell "; 1407 sl << "addspell ";
1621 } 1408 }
1629 return; 1416 return;
1630 } 1417 }
1631 else 1418 else
1632 append_spell (pl, sl, spell); 1419 append_spell (pl, sl, spell);
1633 1420
1634 if (sl.length () >= MAXSOCKBUF) 1421 if (sl.length () > MAXSOCKBUF)
1635 { 1422 {
1636 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1423 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1637 fatal (0); 1424 fatal (0);
1638 } 1425 }
1639 1426
1640 /* finally, we can send the packet */ 1427 /* finally, we can send the packet */
1428 pl->ns->flush_fx ();
1641 pl->ns->send_packet (sl); 1429 pl->ns->send_packet (sl);
1642} 1430}
1643 1431
1432//-GPL
1433

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