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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.110 by root, Sun Jul 1 03:16:56 2007 UTC vs.
Revision 1.173 by root, Thu Apr 15 00:37:24 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] =
70 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 71{
71 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 72 CS_STAT_RES_PHYS,
72 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 73 CS_STAT_RES_MAG,
73 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 74 CS_STAT_RES_FIRE,
74 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 75 CS_STAT_RES_ELEC,
75 CS_STAT_RES_FEAR, -1 /* Cancellation */ , 76 CS_STAT_RES_COLD,
76 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, 77 CS_STAT_RES_CONF,
77 -1 /* Chaos */ , -1 /* Counterspell */ , 78 CS_STAT_RES_ACID,
78 -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,
79 CS_STAT_RES_BLIND, 94 CS_STAT_RES_BLIND,
80 -1, /* Internal */ 95 -1, /* Internal */
81 -1, /* life stealing */ 96 -1, /* life stealing */
82 -1 /* Disease - not fully done yet */ 97 -1 /* Disease - not fully done yet */
83}; 98};
99 */ 114 */
100 mx = ns->mapx; 115 mx = ns->mapx;
101 my = ns->mapy; 116 my = ns->mapy;
102 117
103 /* 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
104 * (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,
105 * if the destination x or y coordinate is outside the viewable 120 * if the destination x or y coordinate is outside the viewable
106 * area, we clear the values - otherwise, the old values 121 * area, we clear the values - otherwise, the old values
107 * 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.
108 */ 123 */
109 for (x = 0; x < mx; x++) 124 for (x = 0; x < mx; x++)
110 {
111 for (y = 0; y < my; y++) 125 for (y = 0; y < my; y++)
112 {
113 if (x >= ns->mapx || y >= ns->mapy) 126 if (x >= ns->mapx || y >= ns->mapy)
114 /* clear cells outside the viewable area */ 127 /* clear cells outside the viewable area */
115 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 128 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) 129 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 */ 130 /* clear newly visible tiles within the viewable area */
118 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 131 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
119 else 132 else
120 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));
121 }
122 }
123 134
124 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 135 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
125 136
126 /* 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
127 * empty). 138 * empty).
130} 141}
131 142
132static void 143static void
133clear_map (player *pl) 144clear_map (player *pl)
134{ 145{
146 pl->ns->mapinfo_queue_clear ();
147
135 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 148 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
136 149
137 pl->ns->force_newmap = false; 150 pl->ns->force_newmap = false;
138 151
139 if (pl->ns->newmapcmd == 1) 152 if (pl->ns->newmapcmd == 1)
140 pl->ns->send_packet ("newmap"); 153 pl->ns->send_packet ("newmap");
141 154
142 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 }
143} 182}
144 183
145/** check for map/region change and send new map data */ 184/** check for map/region change and send new map data */
146static void 185static void
147check_map_change (player *pl) 186check_map_change (player *pl)
148{ 187{
149 client &socket = *pl->ns; 188 client &socket = *pl->ns;
150 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 }
151 217
152 if (socket.current_map != ob->map || socket.force_newmap) 218 if (socket.current_map != ob->map || socket.force_newmap)
153 { 219 {
154 clear_map (pl); 220 clear_map (pl);
155 socket.current_map = ob->map; 221 socket.current_map = ob->map;
156 222 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 } 223 }
176 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)
177 { 225 {
178 int dx = ob->x - socket.current_x; 226 int dx = ob->x - socket.current_x;
179 int dy = ob->y - socket.current_y; 227 int dy = ob->y - socket.current_y;
180 228
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); 229 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
186 socket.floorbox_reset (); 230 socket.floorbox_reset ();
187 }
188 } 231 }
189 232
190 socket.current_x = ob->x; 233 socket.current_x = ob->x;
191 socket.current_y = ob->y; 234 socket.current_y = ob->y;
235}
192 236
193 region *reg = ob->region (); 237/**
194 if (socket.current_region != reg) 238 * This sends the skill number to name mapping. We ignore
195 { 239 * the params - we always send the same info no matter what.
196 socket.current_region = reg; 240 */
197 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname); 241static void
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)
198 } 251 {
252 LOG (llevError, "Buffer overflow in send_skill_info!\n");
253 fatal (0);
254 }
255
256 ns->send_packet (sl);
257}
258
259/**
260 * This sends the spell path to name mapping. We ignore
261 * the params - we always send the same info no matter what.
262 */
263static void
264send_spell_paths (client * ns, char *params)
265{
266 packet sl;
267
268 sl << "replyinfo spell_paths\n";
269
270 for (int i = 0; i < NRSPELLPATHS; i++)
271 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
272
273 if (sl.length () > MAXSOCKBUF)
274 {
275 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
276 fatal (0);
277 }
278
279 ns->send_packet (sl);
199} 280}
200 281
201/** 282/**
202 * RequestInfo is sort of a meta command. There is some specific 283 * RequestInfo is sort of a meta command. There is some specific
203 * request of information, but we call other functions to provide 284 * request of information, but we call other functions to provide
204 * that information. 285 * that information.
205 */ 286 */
206void 287void
207RequestInfo (char *buf, int len, client * ns) 288RequestInfo (char *buf, int len, client *ns)
208{ 289{
209 char *params = NULL, *cp; 290 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);
221 291
222 /* find the first space, make it null, and update the 292 /* find the first space, make it null, and update the
223 * params pointer. 293 * params pointer.
224 */ 294 */
225 for (cp = buf; *cp != '\0'; cp++) 295 for (params = buf; *params; params++)
226 if (*cp == ' ') 296 if (*params == ' ')
227 { 297 {
228 *cp = '\0';
229 params = cp + 1; 298 *params++ = 0;
230 break; 299 break;
231 } 300 }
232 301
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")) 302 if (!strcmp (buf, "skill_info"))
238 send_skill_info (ns, params); 303 send_skill_info (ns, params);
239 else if (!strcmp (buf, "spell_paths")) 304 else if (!strcmp (buf, "spell_paths"))
240 send_spell_paths (ns, params); 305 send_spell_paths (ns, params);
241 else 306 else
242 ns->send_packet (bigbuf, len); 307 {
308 // undo tokenisation above and send replyinfo with the request unchanged
309 if (*params)
310 *--params = ' ';
311
312 ns->send_packet_printf ("replyinfo %s", buf);
313 }
243} 314}
244 315
245void 316void
246ExtCmd (char *buf, int len, player *pl) 317ExtCmd (char *buf, int len, player *pl)
247{ 318{
250 321
251void 322void
252ExtiCmd (char *buf, int len, client *ns) 323ExtiCmd (char *buf, int len, client *ns)
253{ 324{
254 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 325 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
326}
327
328//-GPL
329
330void
331client::mapinfo_queue_clear ()
332{
333 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
334 free (*i);
335
336 mapinfo_queue.clear ();
337}
338
339bool
340client::mapinfo_try (char *buf)
341{
342 char *token = buf;
343 buf += strlen (buf) + 9;
344
345 // initial map and its origin
346 maptile *map = pl->viewpoint->map;
347 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
348 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
349 int max_distance = 8; // limit maximum path length to something generous
350
351 while (*buf && map && max_distance)
352 {
353 int dir = *buf++ - '1';
354
355 if (dir >= 0 && dir <= 3)
356 {
357 if (!map->tile_path [dir])
358 map = 0;
359 else if (map->tile_available (dir, false))
360 {
361 maptile *neigh = map->tile_map [dir];
362
363 switch (dir)
364 {
365 case 0: mapy -= neigh->height; break;
366 case 2: mapy += map ->height; break;
367 case 3: mapx -= neigh->width ; break;
368 case 1: mapx += map ->width ; break;
369 }
370
371 map = neigh;
372 --max_distance;
373 }
374 else
375 return 0;
376 }
377 else
378 max_distance = 0;
379 }
380
381 if (!max_distance)
382 send_packet_printf ("mapinfo %s error", token);
383 else if (!map || !map->path)
384 send_packet_printf ("mapinfo %s nomap", token);
385 else
386 {
387 int flags = 0;
388
389 if (map->tile_path[0]) flags |= 1;
390 if (map->tile_path[1]) flags |= 2;
391 if (map->tile_path[2]) flags |= 4;
392 if (map->tile_path[3]) flags |= 8;
393
394 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
395 }
396
397 return 1;
398}
399
400void
401client::mapinfo_queue_run ()
402{
403 if (mapinfo_queue.empty () || !pl)
404 return;
405
406 for (int i = 0; i < mapinfo_queue.size (); ++i)
407 if (mapinfo_try (mapinfo_queue [i]))
408 {
409 free (mapinfo_queue [i]);
410 mapinfo_queue.erase (i);
411 }
412 else
413 ++i;
255} 414}
256 415
257void 416void
258MapInfoCmd (char *buf, int len, player *pl) 417MapInfoCmd (char *buf, int len, player *pl)
259{ 418{
260 // <mapinfo tag spatial tile-path 419 // <mapinfo tag spatial tile-path
261 // >mapinfo tag spatial flags x y w h hash 420 // >mapinfo tag spatial flags x y w h hash
262 421
263 char bigbuf[MAX_BUF], *token;
264
265 token = buf; 422 char *token = buf;
266 // copy token 423
267 if (!(buf = strchr (buf, ' '))) 424 if (!(buf = strchr (buf, ' ')))
268 return; 425 return;
269 426
270 *buf++ = 0;
271
272 if (!strncmp (buf, "spatial ", 8)) 427 if (!strncmp (buf, " spatial ", 9))
273 { 428 {
274 buf += 8; 429 char *copy = strdup (token);
430 copy [buf - token] = 0;
275 431
276 // initial map and its origin 432#if 0
277 maptile *map = pl->ob->map; 433 // this makes only sense when we flush the buffer immediately
278 sint16 dx, dy; 434 if (pl->ns->mapinfo_try (copy))
279 int mapx = pl->ns->mapx / 2 - pl->ob->x; 435 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 436 else
332 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 437#endif
438 pl->ns->mapinfo_queue.push_back (copy);
333 } 439 }
334 else 440 else
335 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 441 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
336
337 pl->ns->send_packet (bigbuf);
338} 442}
339 443
340/** This is the Setup cmd */ 444/** This is the Setup cmd */
341void 445void
342SetUp (char *buf, int len, client * ns) 446SetUp (char *buf, int len, client * ns)
354AddMeCmd (char *buf, int len, client *ns) 458AddMeCmd (char *buf, int len, client *ns)
355{ 459{
356 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 460 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
357} 461}
358 462
359/** Reply to ExtendedInfos command */ 463//+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
412/*
413#define MSG_TYPE_BOOK 1
414#define MSG_TYPE_CARD 2
415#define MSG_TYPE_PAPER 3
416#define MSG_TYPE_SIGN 4
417#define MSG_TYPE_MONUMENT 5
418#define MSG_TYPE_SCRIPTED_DIALOG 6*/
419
420/** Reply to ExtendedInfos command */
421void
422ToggleExtendedText (char *buf, int len, client * ns)
423{
424 char cmdback[MAX_BUF];
425 char temp[10];
426 char command[50];
427 int info, nextinfo, i, flag;
428
429 cmdback[0] = '\0';
430
431 nextinfo = 0;
432 while (1)
433 {
434 /* 1. Extract an info */
435 info = nextinfo;
436
437 while ((info < len) && (buf[info] == ' '))
438 info++;
439
440 if (info >= len)
441 break;
442
443 nextinfo = info + 1;
444
445 while ((nextinfo < len) && (buf[nextinfo] != ' '))
446 nextinfo++;
447
448 if (nextinfo - info >= 49) /*Erroneous info asked */
449 continue;
450
451 strncpy (command, &(buf[info]), nextinfo - info);
452 command[nextinfo - info] = '\0';
453 /* 2. Interpret info */
454 i = sscanf (command, "%d", &flag);
455
456 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
457 ns->supported_readables |= (1 << flag);
458 /*3. Next info */
459 }
460
461 /* Send resulting state */
462 strcpy (cmdback, "ExtendedTextSet");
463
464 for (i = 0; i <= MSG_TYPE_LAST; i++)
465 if (ns->supported_readables & (1 << i))
466 {
467 strcat (cmdback, " ");
468 snprintf (temp, sizeof (temp), "%d", i);
469 strcat (cmdback, temp);
470 }
471
472 ns->send_packet (cmdback);
473}
474
475/**
476 * client requested an image. send it rate-limited
477 * before flushing.
478 */
479void
480AskFaceCmd (char *buf, int len, client *ns)
481{
482 ns->ixface.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}
495 464
496/** 465/**
497 * This handles the general commands from the client (ie, north, fire, cast, 466 * This handles the general commands from the client (ie, north, fire, cast,
498 * etc.) 467 * etc.)
499 */ 468 */
512 return; 481 return;
513 482
514 buf++; 483 buf++;
515 } 484 }
516 485
517 execute_newserver_command (pl->ob, (char *) buf); 486 execute_newserver_command (pl->ob, (char *)buf);
518 487
519 /* Perhaps something better should be done with a left over count. 488 /* Perhaps something better should be done with a left over count.
520 * Cleaning up the input should probably be done first - all actions 489 * 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 490 * for the command that issued the count should be done before any other
522 * commands. 491 * commands.
533void 502void
534NewPlayerCmd (char *buf, int len, player *pl) 503NewPlayerCmd (char *buf, int len, player *pl)
535{ 504{
536 if (len <= 6) 505 if (len <= 6)
537 { 506 {
538 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 507 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
539 return; 508 return;
540 } 509 }
541 510
542 uint16 cmdid = net_uint16 ((uint8 *)buf); 511 uint16 cmdid = net_uint16 ((uint8 *)buf);
543 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 512 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
556 * commands. 525 * commands.
557 */ 526 */
558 pl->count = 0; 527 pl->count = 0;
559 528
560 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 529 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
561 int time = fabs (pl->ob->speed) < 0.001 530 int time = pl->ob->has_active_speed ()
562 ? time = MAX_TIME * 100
563 : time = (int) (MAX_TIME / fabs (pl->ob->speed)); 531 ? (int) (MAX_TIME / pl->ob->speed)
532 : MAX_TIME * 100;
564 533
565 /* Send confirmation of command execution now */ 534 /* Send confirmation of command execution now */
566 packet sl ("comc"); 535 packet sl ("comc");
567 sl << uint16 (cmdid) << uint32 (time); 536 sl << uint16 (cmdid) << uint32 (time);
568 pl->ns->send_packet (sl); 537 pl->ns->send_packet (sl);
610 LOG (llevError, "Unknown input state: %d\n", ns->state); 579 LOG (llevError, "Unknown input state: %d\n", ns->state);
611 } 580 }
612} 581}
613 582
614/** 583/**
615 * Client tells its version. If there is a mismatch, we close the 584 * 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 */ 585 */
621void 586void
622VersionCmd (char *buf, int len, client * ns) 587VersionCmd (char *buf, int len, client *ns)
623{ 588{
624 if (!buf) 589 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} 590}
660 591
661/** sound related functions. */ 592/** sound related functions. */
662void 593void
663SetSound (char *buf, int len, client * ns) 594SetSound (char *buf, int len, client * ns)
681 * syntax is: move (to) (tag) (nrof) 612 * syntax is: move (to) (tag) (nrof)
682 */ 613 */
683void 614void
684MoveCmd (char *buf, int len, player *pl) 615MoveCmd (char *buf, int len, player *pl)
685{ 616{
686 int vals[3], i; 617 int to, tag, nrof;
687 618
688 /* A little funky here. We only cycle for 2 records, because 619 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 { 620 {
695 vals[i] = atoi (buf);
696
697 if (!(buf = strchr (buf, ' ')))
698 {
699 LOG (llevError, "Incomplete move command: %s\n", buf); 621 LOG (llevError, "Incomplete move command: %s\n", buf);
700 return; 622 return;
701 }
702
703 buf++;
704 } 623 }
705 624
706 vals[2] = atoi (buf); 625 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} 626}
711 627
712/****************************************************************************** 628/******************************************************************************
713 * 629 *
714 * Start of commands the server sends to the client. 630 * Start of commands the server sends to the client.
729 * Get player's current range attack in obuf. 645 * Get player's current range attack in obuf.
730 */ 646 */
731static void 647static void
732rangetostring (player *pl, char *obuf) 648rangetostring (player *pl, char *obuf)
733{ 649{
734 dynbuf_text buf; 650 dynbuf_text &buf = msg_dynbuf; buf.clear ();
651
652#if 0
653 // print ranged/chosen_skill etc. objects every call
654 printf ("%s %s => %s (%s)\n",
655 pl->ranged_ob ? &pl->ranged_ob->name : "-",
656 pl->combat_ob ? &pl->combat_ob->name : "-",
657 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
658 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
659 );
660#endif
735 661
736 if (pl->ranged_ob) 662 if (pl->ranged_ob)
737 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; 663 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
738 664
739 if (pl->combat_ob) 665 if (pl->combat_ob)
814 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT); 740 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
815 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 741 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
816 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 742 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
817 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 743 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
818 744
819 for (int s = 0; s < NUM_SKILLS; s++) 745 for (int s = 0; s < CS_NUM_SKILLS; s++)
820 if (object *skill = opl->last_skill_ob[s]) 746 if (object *skill = opl->last_skill_ob [s])
821 if (skill->stats.exp != ns->last_skill_exp [s]) 747 if (skill->stats.exp != ns->last_skill_exp [s])
822 { 748 {
823 ns->last_skill_exp [s] = skill->stats.exp; 749 ns->last_skill_exp [s] = skill->stats.exp;
824 750
825 /* Always send along the level if exp changes. This is only 751 /* Always send along the level if exp changes. This is only
826 * 1 extra byte, but keeps processing simpler. 752 * 1 extra byte, but keeps processing simpler.
827 */ 753 */
828 sl << uint8 (s + CS_STAT_SKILLINFO) 754 sl << uint8 (CS_STAT_SKILLINFO + s)
829 << uint8 (skill->level) 755 << uint8 (skill->level)
830 << uint64 (skill->stats.exp); 756 << uint64 (skill->stats.exp);
831 } 757 }
832 758
833 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 759 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
834 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 760 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
835 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 761 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
836 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 762 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
837 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 763 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
838 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK); 764 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
839 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 765 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); 766 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); 767 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
842 768
843 flags = 0; 769 flags = (opl->fire_on ? SF_FIREON : 0)
844 770 | (opl->run_on ? SF_RUNON : 0);
845 if (opl->fire_on)
846 flags |= SF_FIREON;
847
848 if (opl->run_on)
849 flags |= SF_RUNON;
850 771
851 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); 772 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
852 773
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++) 774 for (int i = 0; i < NROFATTACKS; i++)
857 {
858 /* Skip ones we won't send */ 775 /* Skip ones we won't send */
859 if (atnr_cs_stat[i] == -1) 776 if (atnr_cs_stat[i] >= 0)
860 continue;
861
862 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]); 777 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
863 }
864 778
865 if (pl->ns->monitor_spells) 779 if (pl->ns->monitor_spells)
866 { 780 {
867 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 781 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); 782 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
881 795
882/** 796/**
883 * Tells the client that here is a player it should start using. 797 * Tells the client that here is a player it should start using.
884 */ 798 */
885void 799void
886esrv_new_player (player *pl, uint32 weight) 800esrv_new_player (player *pl)
887{ 801{
802 sint32 weight = pl->ob->client_weight ();
803
888 packet sl ("player"); 804 packet sl ("player");
889 805
890 sl << uint32 (pl->ob->count) 806 sl << uint32 (pl->ob->count)
891 << uint32 (weight) 807 << uint32 (weight)
892 << uint32 (pl->ob->face) 808 << uint32 (pl->ob->face)
893 << data8 (pl->ob->name); 809 << data8 (pl->ob->name);
894 810
895 pl->ns->last_weight = weight; 811 pl->ns->last_weight = weight;
896 pl->ns->send_packet (sl); 812 pl->ns->send_packet (sl);
897 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
898} 813}
899 814
900/****************************************************************************** 815/******************************************************************************
901 * 816 *
902 * Start of map related commands. 817 * Start of map related commands.
959 874
960 if (!ns.faces_sent[face_num]) 875 if (!ns.faces_sent[face_num])
961 if (ob) 876 if (ob)
962 ns.send_faces (ob); 877 ns.send_faces (ob);
963 else 878 else
964 ns.send_face (face_num); 879 ns.send_face (face_num, 10);
965 880
966 sl << uint16 (face_num); 881 sl << uint16 (face_num);
967 return 1; 882 return 1;
968 } 883 }
969 884
970 /* Nothing changed */ 885 /* Nothing changed */
971 return 0; 886 return 0;
972} 887}
973 888
974/** 889//-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}
992 890
993// prefetch (and touch) all maps within a specific distancd 891// prefetch (and touch) all maps within a specific distancd
994static void 892static void
995prefetch_surrounding_maps (maptile *map, int distance) 893prefetch_surrounding_maps (maptile *map, int distance)
996{ 894{
997 map->last_access = runtime; 895 map->touch ();
998 896
999 if (--distance) 897 if (--distance)
1000 for (int dir = 4; --dir; ) 898 for (int dir = 4; dir--; )
1001 if (const shstr &path = map->tile_path [dir]) 899 if (const shstr &path = map->tile_path [dir])
1002 if (maptile *&neigh = map->tile_map [dir]) 900 if (maptile *&neigh = map->tile_map [dir])
1003 prefetch_surrounding_maps (neigh, distance); 901 prefetch_surrounding_maps (neigh, distance);
1004 else 902 else
1005 neigh = maptile::find_async (path, map); 903 neigh = maptile::find_async (path, map);
1010prefetch_surrounding_maps (object *op) 908prefetch_surrounding_maps (object *op)
1011{ 909{
1012 prefetch_surrounding_maps (op->map, 3); 910 prefetch_surrounding_maps (op->map, 3);
1013} 911}
1014 912
913//+GPL
914
1015/** 915/**
1016 * Draws client map. 916 * Draws client map.
1017 */ 917 */
1018void 918void
1019draw_client_map (player *pl) 919draw_client_map (player *pl)
1020{ 920{
1021 object *ob = pl->observe; 921 object *ob = pl->viewpoint;
1022 if (!ob->active) 922 if (!pl->observe->active)
1023 return; 923 return;
1024
1025 maptile *plmap = ob->map;
1026 924
1027 /* If player is just joining the game, he isn't here yet, so the map 925 /* 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 926 * can get swapped out. If so, don't try to send them a map. All will
1029 * be OK once they really log in. 927 * be OK once they really log in.
1030 */ 928 */
1031 if (!plmap || plmap->in_memory != MAP_IN_MEMORY) 929 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1032 return; 930 return;
1033 931
1034 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1035 int estartlen, eoldlen; 932 int startlen, oldlen;
1036 uint8 eentrysize;
1037 uint16 ewhatstart, ewhatflag;
1038 uint8 extendedinfos;
1039 933
1040 check_map_change (pl); 934 check_map_change (pl);
1041 prefetch_surrounding_maps (pl->ob); 935 prefetch_surrounding_maps (pl->ob);
1042 936
1043 /* do LOS after calls to update_position */ 937 /* do LOS after calls to update_position */
1044 if (ob != pl->ob) 938 /* unfortunately, we need to udpate los when observing, currently */
1045 clear_los (pl); 939 if (pl->do_los || pl->viewpoint != pl->ob)
1046 else if (pl->do_los)
1047 { 940 {
1048 update_los (ob);
1049 pl->do_los = 0; 941 pl->do_los = 0;
942 pl->update_los ();
1050 } 943 }
1051 944
1052 /** 945 /**
1053 * This function uses the new map1 protocol command to send the map 946 * 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 947 * to the client. It is necessary because the old map command supports
1073 */ 966 */
1074 967
1075 client &socket = *pl->ns; 968 client &socket = *pl->ns;
1076 969
1077 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 970 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1078 packet esl;
1079 971
1080 startlen = sl.length (); 972 startlen = sl.length ();
1081 973
1082 /*Extendedmapinfo structure initialisation */ 974 int hx = socket.mapx / 2;
1083 if (socket.ext_mapinfos) 975 int hy = socket.mapy / 2;
1084 {
1085 extendedinfos = EMI_NOREDRAW;
1086 976
1087 if (socket.EMI_smooth) 977 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1088 extendedinfos |= EMI_SMOOTH; 978 int ax = dx + hx;
979 int ay = dy + hy;
1089 980
1090 ewhatstart = esl.length (); 981 int mask = (ax << 10) | (ay << 4);
1091 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit 982 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 983
1098 estartlen = esl.length (); 984 /* If the coordinates are not valid, or it is too dark to see,
1099 } 985 * we tell the client as such
1100
1101 /* x,y are the real map locations. ax, ay are viewport relative
1102 * locations.
1103 */ 986 */
1104 ay = 0; 987 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 { 988 {
1114 sint16 nx, ny; 989 /* space is out of map. Update space and clear values
1115 maptile *m = 0; 990 * if this hasn't already been done. If the space is out
1116 991 * of the map, it shouldn't have a head.
1117 ax = 0; 992 */
1118 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++) 993 if (lastcell.count != -1)
1119 { 994 {
1120 // check to see if we can simply go one right quickly 995 sl << uint16 (mask);
996 map_clearcell (&lastcell, -1);
1121 ++nx; 997 }
1122 if (m && nx >= m->width) 998
999 continue;
1000 }
1001
1002 int d = pl->blocked_los_uc (dx, dy);
1003
1004 if (d > 3)
1005 {
1006 /* This block deals with spaces that are not visible for whatever
1007 * reason. Still may need to send the head for this space.
1008 */
1009 if (lastcell.count != -1
1010 || lastcell.faces[0]
1011 || lastcell.faces[1]
1012 || lastcell.faces[2]
1013 || lastcell.stat_hp
1014 || lastcell.flags
1015 || lastcell.player)
1016 sl << uint16 (mask);
1017
1018 /* properly clear a previously sent big face */
1019 map_clearcell (&lastcell, -1);
1020 }
1021 else
1022 {
1023 /* In this block, the space is visible.
1024 */
1025
1026 /* Rather than try to figure out what everything that we might
1027 * need to send is, then form the packet after that,
1028 * we presume that we will in fact form a packet, and update
1029 * the bits by what we do actually send. If we send nothing,
1030 * we just back out sl.length () to the old value, and no harm
1031 * is done.
1032 * I think this is simpler than doing a bunch of checks to see
1033 * what if anything we need to send, setting the bits, then
1034 * doing those checks again to add the real data.
1035 */
1036 oldlen = sl.length ();
1037
1038 sl << uint16 (mask);
1039
1040 unsigned char dummy;
1041 unsigned char *last_ext = &dummy;
1042
1043 /* Darkness changed */
1044 if (lastcell.count != d)
1045 {
1123 m = 0; 1046 mask |= 0x8;
1124 1047
1125 if (!m) 1048 *last_ext |= 0x80;
1049 last_ext = &sl[sl.length ()];
1050 sl << uint8 (d);
1051 }
1052
1053 lastcell.count = d;
1054
1055 mapspace &ms = m->at (nx, ny);
1056 ms.update ();
1057
1058 // extmap handling
1059 uint8 stat_hp = 0;
1060 uint8 stat_width = 0;
1061 uint8 flags = 0;
1062 tag_t player = 0;
1063
1064 // send hp information, if applicable
1065 if (object *op = ms.faces_obj [0])
1066 if (op->is_head () && !op->invisible)
1126 { 1067 {
1127 nx = x; ny = y; m = plmap; 1068 if (op->stats.maxhp > op->stats.hp
1128 1069 && op->stats.maxhp > 0
1129 if (!xy_normalise (m, nx, ny)) 1070 && (op->type == PLAYER
1071 || op->type == DOOR // does not work, have maxhp 0
1072 || op->flag [FLAG_MONSTER]
1073 || op->flag [FLAG_ALIVE]
1074 || op->flag [FLAG_GENERATOR]))
1130 m = 0; 1075 {
1076 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1077 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1078 }
1079
1080 if (expect_false (op->has_dialogue ()))
1081 flags |= 1;
1082
1083 if (expect_false (op->type == PLAYER))
1084 player = op == ob ? pl->ob->count
1085 : op == pl->ob ? ob->count
1086 : op->count;
1131 } 1087 }
1132 1088
1133 int emask, mask; 1089 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 { 1090 {
1143 /* space is out of map. Update space and clear values 1091 lastcell.stat_hp = stat_hp;
1144 * if this hasn't already been done. If the space is out 1092
1145 * of the map, it shouldn't have a head 1093 mask |= 0x8;
1146 */ 1094 *last_ext |= 0x80;
1147 if (lastcell.count != -1) 1095 last_ext = &sl[sl.length ()];
1096
1097 sl << uint8 (5) << uint8 (stat_hp);
1098
1099 if (stat_width > 1)
1148 { 1100 {
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; 1101 *last_ext |= 0x80;
1221 last_ext = &sl[sl.length ()]; 1102 last_ext = &sl[sl.length ()];
1222 sl << uint8 (d); 1103
1223 } 1104 sl << uint8 (6) << uint8 (stat_width);
1224 else
1225 sl << uint8 (255 - 64 * d);
1226 } 1105 }
1106 }
1227 1107
1228 lastcell.count = d; 1108 if (expect_false (lastcell.player != player))
1229
1230 mapspace &ms = m->at (nx, ny);
1231 ms.update ();
1232
1233 if (socket.extmap)
1234 { 1109 {
1235 uint8 stat_hp = 0; 1110 lastcell.player = player;
1236 uint8 stat_width = 0;
1237 uint8 flags = 0;
1238 tag_t player = 0;
1239 1111
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; 1112 mask |= 0x8;
1267 *last_ext |= 0x80; 1113 *last_ext |= 0x80;
1268 last_ext = &sl[sl.length ()]; 1114 last_ext = &sl[sl.length ()];
1269 1115
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; 1116 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1290 } 1117 }
1291 1118
1292 if (lastcell.flags != flags) 1119 if (expect_false (lastcell.flags != flags))
1293 { 1120 {
1294 lastcell.flags = flags; 1121 lastcell.flags = flags;
1295 1122
1296 mask |= 0x8; 1123 mask |= 0x8;
1297 *last_ext |= 0x80; 1124 *last_ext |= 0x80;
1298 last_ext = &sl[sl.length ()]; 1125 last_ext = &sl[sl.length ()];
1299 1126
1300 sl << uint8 (8) << uint8 (flags); 1127 sl << uint8 (8) << uint8 (flags);
1301 }
1302 } 1128 }
1303 1129
1130 // faces
1131
1304 /* Floor face */ 1132 /* Floor face */
1305 if (update_space (sl, socket, ms, lastcell, 2)) 1133 if (update_space (sl, socket, ms, lastcell, 2))
1306 mask |= 0x4; 1134 mask |= 0x4;
1307 1135
1308 /* Middle face */ 1136 /* Middle face */
1309 if (update_space (sl, socket, ms, lastcell, 1)) 1137 if (update_space (sl, socket, ms, lastcell, 1))
1310 mask |= 0x2; 1138 mask |= 0x2;
1311 1139
1140 if (expect_false (ob->invisible)
1141 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1312 if (ms.player () == ob 1142 && ms.player () == ob)
1313 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1314 { 1143 {
1315 // force player to be visible to himself if invisible 1144 // force player to be visible to himself if invisible
1316 if (lastcell.faces[0] != ob->face) 1145 if (lastcell.faces[0] != ob->face)
1317 { 1146 {
1318 lastcell.faces[0] = ob->face; 1147 lastcell.faces[0] = ob->face;
1319 1148
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; 1149 mask |= 0x1;
1150 sl << uint16 (ob->face);
1329 1151
1152 socket.send_faces (ob);
1153 }
1154 }
1155 /* Top face */
1156 else if (update_space (sl, socket, ms, lastcell, 0))
1157 mask |= 0x1;
1158
1330 /* Check to see if we are in fact sending anything for this 1159 /* Check to see if we are in fact sending anything for this
1331 * space by checking the mask. If so, update the mask. 1160 * space by checking the mask. If so, update the mask.
1332 * if not, reset the len to that from before adding the mask 1161 * if not, reset the len to that from before adding the mask
1333 * value, so we don't send those bits. 1162 * value, so we don't send those bits.
1334 */ 1163 */
1335 if (mask & 0xf) 1164 if (mask & 0xf)
1336 sl[oldlen + 1] = mask & 0xff; 1165 sl[oldlen + 1] = mask & 0xff;
1337 else 1166 else
1338 sl.reset (oldlen); 1167 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 */ 1168 } /* else this is a viewable space */
1369 } /* for x loop */ 1169 ordered_mapwalk_end
1370 } /* for y loop */
1371 1170
1372 socket.flush_fx (); 1171 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 1172
1390 if (sl.length () > startlen || socket.sent_scroll) 1173 if (sl.length () > startlen || socket.sent_scroll)
1391 { 1174 {
1392 socket.send_packet (sl); 1175 socket.send_packet (sl);
1393 socket.sent_scroll = 0; 1176 socket.sent_scroll = 0;
1394 } 1177 }
1395} 1178}
1396 1179
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/** 1180/**
1454 * This looks for any spells the player may have that have changed their stats. 1181 * 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 1182 * it then sends an updspell packet for each spell that has changed in this way
1456 */ 1183 */
1457void 1184void
1458esrv_update_spells (player *pl) 1185esrv_update_spells (player *pl)
1459{ 1186{
1460 if (!pl->ns) 1187 if (!pl->ns)
1461 return; 1188 return;
1462 1189
1190 pl->ns->update_spells = false;
1191
1463 if (!pl->ns->monitor_spells) 1192 if (!pl->ns->monitor_spells)
1464 return; 1193 return;
1465 1194
1466 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1195 for (object *spell = pl->ob->inv; spell; spell = spell->below)
1467 {
1468 if (spell->type == SPELL) 1196 if (spell->type == SPELL)
1469 { 1197 {
1470 int flags = 0; 1198 int flags = 0;
1199 int val;
1471 1200
1472 /* check if we need to update it */ 1201 /* check if we need to update it */
1473 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1202 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1203 if (spell->cached_sp != val)
1474 { 1204 {
1475 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1205 spell->cached_sp = val;
1476 flags |= UPD_SP_MANA; 1206 flags |= UPD_SP_MANA;
1477 } 1207 }
1478 1208
1479 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1209 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1210 if (spell->cached_grace != val)
1480 { 1211 {
1481 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1212 spell->cached_grace = val;
1482 flags |= UPD_SP_GRACE; 1213 flags |= UPD_SP_GRACE;
1483 } 1214 }
1484 1215
1485 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1216 val = casting_level (pl->ob, spell);
1217 if (spell->cached_eat != val)
1486 { 1218 {
1487 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1219 spell->cached_eat = val;
1488 flags |= UPD_SP_DAMAGE; 1220 flags |= UPD_SP_LEVEL;
1489 } 1221 }
1490 1222
1491 if (flags) 1223 if (flags)
1492 { 1224 {
1493 packet sl; 1225 packet sl;
1494 1226
1495 sl << "updspell " 1227 sl << "updspell "
1496 << uint8 (flags) 1228 << uint8 (flags)
1497 << uint32 (spell->count); 1229 << uint32 (spell->count);
1498 1230
1499 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1231 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1500 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1232 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1501 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1233 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1502 1234
1503 pl->ns->send_packet (sl); 1235 pl->ns->send_packet (sl);
1504 } 1236 }
1505 } 1237 }
1506 }
1507} 1238}
1508 1239
1509void 1240void
1510esrv_remove_spell (player *pl, object *spell) 1241esrv_remove_spell (player *pl, object *spell)
1511{ 1242{
1536 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1267 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1537 return; 1268 return;
1538 } 1269 }
1539 1270
1540 /* store costs and damage in the object struct, to compare to later */ 1271 /* 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); 1272 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); 1273 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); 1274 spell->cached_eat = casting_level (pl->ob, spell);
1544 1275
1545 /* figure out which skill it uses, if it uses one */ 1276 /* figure out which skill it uses, if it uses one */
1546 if (spell->skill) 1277 if (spell->skill)
1547 { 1278 if (object *tmp = pl->find_skill (spell->skill))
1548 for (i = 1; i < NUM_SKILLS; i++) 1279 skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
1549 if (!strcmp (spell->skill, skill_names[i]))
1550 {
1551 skill = i + CS_STAT_SKILLINFO;
1552 break;
1553 }
1554 }
1555 1280
1556 // spells better have a face 1281 // spells better have a face
1557 if (!spell->face) 1282 if (!spell->face)
1558 { 1283 {
1559 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1284 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1560 spell->face = face_find ("burnout.x11", blank_face); 1285 spell->face = face_find ("burnout.x11", blank_face);
1561 } 1286 }
1287
1288 pl->ns->send_face (spell->face);
1562 1289
1563 /* send the current values */ 1290 /* send the current values */
1564 sl << uint32 (spell->count) 1291 sl << uint32 (spell->count)
1565 << uint16 (spell->level) 1292 << uint16 (spell->level)
1566 << uint16 (spell->casting_time) 1293 << uint16 (spell->casting_time)
1567 << uint16 (spell->last_sp) 1294 << uint16 (spell->cached_sp)
1568 << uint16 (spell->last_grace) 1295 << uint16 (spell->cached_grace)
1569 << uint16 (spell->last_eat) 1296 << uint16 (spell->cached_eat)
1570 << uint8 (skill) 1297 << uint8 (skill)
1571 << uint32 (spell->path_attuned) 1298 << uint32 (spell->path_attuned)
1572 << uint32 (spell->face) 1299 << uint32 (spell->face)
1573 << data8 (spell->name) 1300 << data8 (spell->name)
1574 << data16 (spell->msg); 1301 << data16 (spell->msg);
1602 * bytes and 3 strings (because that is the spec) so we need to 1329 * 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, 1330 * 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, 1331 * 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 1332 * we need to send what we already have, and restart packet formation
1606 */ 1333 */
1334 if (spell->type != SPELL)
1335 continue;
1336
1607 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1337 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1608 * to show add_spell is 26 bytes + 2 strings. However, the overun 1338 * 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 1339 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1610 * like it will fix this 1340 * like it will fix this
1611 */ 1341 */
1612 if (spell->type != SPELL)
1613 continue;
1614
1615 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1342 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1616 { 1343 {
1344 pl->ns->flush_fx ();
1617 pl->ns->send_packet (sl); 1345 pl->ns->send_packet (sl);
1618 1346
1619 sl.reset (); 1347 sl.reset ();
1620 sl << "addspell "; 1348 sl << "addspell ";
1621 } 1349 }
1629 return; 1357 return;
1630 } 1358 }
1631 else 1359 else
1632 append_spell (pl, sl, spell); 1360 append_spell (pl, sl, spell);
1633 1361
1634 if (sl.length () >= MAXSOCKBUF) 1362 if (sl.length () > MAXSOCKBUF)
1635 { 1363 {
1636 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1364 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1637 fatal (0); 1365 fatal (0);
1638 } 1366 }
1639 1367
1640 /* finally, we can send the packet */ 1368 /* finally, we can send the packet */
1369 pl->ns->flush_fx ();
1641 pl->ns->send_packet (sl); 1370 pl->ns->send_packet (sl);
1642} 1371}
1643 1372
1373//-GPL
1374

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