[ViewVC] Diff of: cvs/deliantra/server/socket/request.C

Comparing deliantra/server/socket/request.C (file contents):
Revision 1.108 by root, Sat Jun 9 20:51:45 2007 UTC vs.
Revision 1.145 by root, Fri Dec 26 10:44:17 2008 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel	5	* Copyright (©) 2001,2007 Mark Wedel
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 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
9	* under the terms of the GNU General Public License as published by the Free	9	* it under the terms of the GNU General Public License as published by
10	* Software Foundation; either version 2 of the License, or (at your option)	10	* the Free Software Foundation, either version 3 of the License, or
11	* any later version.	11	* (at your 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 GNU General Public License
19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21	*	20	*
22	* The authors can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	/**	24	/**
26	* \file	25	* \file
27	* Client handling.	26	* Client handling.
99	*/	98	*/
100	mx = ns->mapx;	99	mx = ns->mapx;
101	my = ns->mapy;	100	my = ns->mapy;
102		101
103	/* the x and y here are coordinates for the new map, i.e. if we moved	102	/* 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,	103	* (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	104	* if the destination x or y coordinate is outside the viewable
106	* area, we clear the values - otherwise, the old values	105	* area, we clear the values - otherwise, the old values
107	* are preserved, and the check_head thinks it needs to clear them.	106	* are preserved, and the check_head thinks it needs to clear them.
108	*/	107	*/
109	for (x = 0; x < mx; x++)	108	for (x = 0; x < mx; x++)
110	{
111	for (y = 0; y < my; y++)	109	for (y = 0; y < my; y++)
112	{
113	if (x >= ns->mapx \|\| y >= ns->mapy)	110	if (x >= ns->mapx \|\| y >= ns->mapy)
114	/* clear cells outside the viewable area */	111	/* clear cells outside the viewable area */
115	memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));	112	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)	113	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 */	114	/* clear newly visible tiles within the viewable area */
118	memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));	115	memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
119	else	116	else
120	memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));	117	memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
121	}
122	}
123		118
124	memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));	119	memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
125		120
126	/* Make sure that the next "map1" command will be sent (even if it is	121	/* Make sure that the next "map1" command will be sent (even if it is
127	* empty).	122	* empty).
…		…
130	}	125	}
131		126
132	static void	127	static void
133	clear_map (player *pl)	128	clear_map (player *pl)
134	{	129	{
		130	pl->ns->mapinfo_queue_clear ();
		131
135	memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));	132	memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
136		133
137	pl->ns->force_newmap = false;	134	pl->ns->force_newmap = false;
138		135
139	if (pl->ns->newmapcmd == 1)	136	if (pl->ns->newmapcmd == 1)
140	pl->ns->send_packet ("newmap");	137	pl->ns->send_packet ("newmap");
141		138
142	pl->ns->floorbox_reset ();	139	pl->ns->floorbox_reset ();
		140	}
		141
		142	static void
		143	send_map_info (player *pl)
		144	{
		145	client &socket = *pl->ns;
		146	object *ob = pl->observe;
		147
		148	if (socket.mapinfocmd)
		149	{
		150	if (ob->map && ob->map->path[0])
		151	{
		152	int flags = 0;
		153
		154	if (ob->map->tile_path[0]) flags \|= 1;
		155	if (ob->map->tile_path[1]) flags \|= 2;
		156	if (ob->map->tile_path[2]) flags \|= 4;
		157	if (ob->map->tile_path[3]) flags \|= 8;
		158
		159	socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
		160	flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
		161	ob->map->width, ob->map->height, &ob->map->path);
		162	}
		163	else
		164	socket.send_packet ("mapinfo current");
		165	}
143	}	166	}
144		167
145	/** check for map/region change and send new map data */	168	/** check for map/region change and send new map data */
146	static void	169	static void
147	check_map_change (player *pl)	170	check_map_change (player *pl)
148	{	171	{
149	client &socket = *pl->ns;	172	client &socket = *pl->ns;
150	object *ob = pl->observe;	173	object *ob = pl->observe;
151		174
		175	region *reg = ob->region ();
		176	if (socket.current_region != reg)
		177	{
		178	INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
		179	socket.current_region = reg;
		180	}
		181
		182	// first try to aovid a full newmap on tiled map scrolls
		183	if (socket.current_map != ob->map && !socket.force_newmap)
		184	{
		185	rv_vector rv;
		186
		187	get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
		188
		189	// manhattan distance is very handy here
		190	if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
		191	{
		192	socket.current_map = ob->map;
		193	socket.current_x = ob->x;
		194	socket.current_y = ob->y;
		195
		196	socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
		197	socket.floorbox_reset ();
		198	send_map_info (pl);
		199	}
		200	}
		201
152	if (socket.current_map != ob->map \|\| socket.force_newmap)	202	if (socket.current_map != ob->map \|\| socket.force_newmap)
153	{	203	{
154	clear_map (pl);	204	clear_map (pl);
155	socket.current_map = ob->map;	205	socket.current_map = ob->map;
156		206	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	}	207	}
176	else if (socket.current_x != ob->x \|\| socket.current_y != ob->y)	208	else if (socket.current_x != ob->x \|\| socket.current_y != ob->y)
177	{	209	{
178	int dx = ob->x - socket.current_x;	210	int dx = ob->x - socket.current_x;
179	int dy = ob->y - socket.current_y;	211	int dy = ob->y - socket.current_y;
…		…
187	}	219	}
188	}	220	}
189		221
190	socket.current_x = ob->x;	222	socket.current_x = ob->x;
191	socket.current_y = ob->y;	223	socket.current_y = ob->y;
192
193	region *reg = ob->region ();
194	if (socket.current_region != reg)
195	{
196	socket.current_region = reg;
197	socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);
198	}
199	}	224	}
200		225
201	/**	226	/**
202	* RequestInfo is sort of a meta command. There is some specific	227	* RequestInfo is sort of a meta command. There is some specific
203	* request of information, but we call other functions to provide	228	* request of information, but we call other functions to provide
204	* that information.	229	* that information.
205	*/	230	*/
206	void	231	void
207	RequestInfo (char buf, int len, client ns)	232	RequestInfo (char buf, int len, client ns)
208	{	233	{
209	char params = NULL, cp;	234	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		235
222	/* find the first space, make it null, and update the	236	/* find the first space, make it null, and update the
223	* params pointer.	237	* params pointer.
224	*/	238	*/
225	for (cp = buf; *cp != '\0'; cp++)	239	for (params = buf; *params; params++)
226	if (*cp == ' ')	240	if (*params == ' ')
227	{	241	{
228	*cp = '\0';
229	params = cp + 1;	242	*params++ = 0;
230	break;	243	break;
231	}	244	}
232		245
233	if (!strcmp (buf, "image_info"))	246	if (!strcmp (buf, "image_info"))
234	send_image_info (ns, params);	247	send_image_info (ns, params);
…		…
237	else if (!strcmp (buf, "skill_info"))	250	else if (!strcmp (buf, "skill_info"))
238	send_skill_info (ns, params);	251	send_skill_info (ns, params);
239	else if (!strcmp (buf, "spell_paths"))	252	else if (!strcmp (buf, "spell_paths"))
240	send_spell_paths (ns, params);	253	send_spell_paths (ns, params);
241	else	254	else
242	ns->send_packet (bigbuf, len);	255	{
		256	// undo tokenisation above and send replyinfo with the request unchanged
		257	if (*params)
		258	*--params = ' ';
		259
		260	ns->send_packet_printf ("replyinfo %s", buf);
		261	}
243	}	262	}
244		263
245	void	264	void
246	ExtCmd (char buf, int len, player pl)	265	ExtCmd (char buf, int len, player pl)
247	{	266	{
…		…
250		269
251	void	270	void
252	ExtiCmd (char buf, int len, client ns)	271	ExtiCmd (char buf, int len, client ns)
253	{	272	{
254	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));	273	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
		274	}
		275
		276	void
		277	client::mapinfo_queue_clear ()
		278	{
		279	for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
		280	free (*i);
		281
		282	mapinfo_queue.clear ();
		283	}
		284
		285	bool
		286	client::mapinfo_try (char *buf)
		287	{
		288	char *token = buf;
		289	buf += strlen (buf) + 9;
		290
		291	// initial map and its origin
		292	maptile *map = pl->observe->map;
		293	int mapx = pl->ns->mapx / 2 - pl->observe->x;
		294	int mapy = pl->ns->mapy / 2 - pl->observe->y;
		295	int max_distance = 8; // limit maximum path length to something generous
		296
		297	while (*buf && map && max_distance)
		298	{
		299	int dir = *buf++ - '1';
		300
		301	if (dir >= 0 && dir <= 3)
		302	{
		303	if (!map->tile_path [dir])
		304	map = 0;
		305	else if (map->tile_available (dir, false))
		306	{
		307	maptile *neigh = map->tile_map [dir];
		308
		309	switch (dir)
		310	{
		311	case 0: mapy -= neigh->height; break;
		312	case 2: mapy += map ->height; break;
		313	case 3: mapx -= neigh->width ; break;
		314	case 1: mapx += map ->width ; break;
		315	}
		316
		317	map = neigh;
		318	--max_distance;
		319	}
		320	else
		321	return 0;
		322	}
		323	else
		324	max_distance = 0;
		325	}
		326
		327	if (!max_distance)
		328	send_packet_printf ("mapinfo %s error", token);
		329	else if (!map \|\| !map->path)
		330	send_packet_printf ("mapinfo %s nomap", token);
		331	else
		332	{
		333	int flags = 0;
		334
		335	if (map->tile_path[0]) flags \|= 1;
		336	if (map->tile_path[1]) flags \|= 2;
		337	if (map->tile_path[2]) flags \|= 4;
		338	if (map->tile_path[3]) flags \|= 8;
		339
		340	send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
		341	}
		342
		343	return 1;
		344	}
		345
		346	void
		347	client::mapinfo_queue_run ()
		348	{
		349	if (mapinfo_queue.empty () \|\| !pl)
		350	return;
		351
		352	for (int i = 0; i < mapinfo_queue.size (); ++i)
		353	if (mapinfo_try (mapinfo_queue [i]))
		354	{
		355	free (mapinfo_queue [i]);
		356	mapinfo_queue.erase (i);
		357	}
		358	else
		359	++i;
255	}	360	}
256		361
257	void	362	void
258	MapInfoCmd (char buf, int len, player pl)	363	MapInfoCmd (char buf, int len, player pl)
259	{	364	{
260	// <mapinfo tag spatial tile-path	365	// <mapinfo tag spatial tile-path
261	// >mapinfo tag spatial flags x y w h hash	366	// >mapinfo tag spatial flags x y w h hash
262		367
263	char bigbuf[MAX_BUF], *token;
264
265	token = buf;	368	char *token = buf;
266	// copy token	369
267	if (!(buf = strchr (buf, ' ')))	370	if (!(buf = strchr (buf, ' ')))
268	return;	371	return;
269		372
270	*buf++ = 0;
271
272	if (!strncmp (buf, "spatial ", 8))	373	if (!strncmp (buf, " spatial ", 9))
273	{	374	{
274	buf += 8;	375	char *copy = strdup (token);
		376	copy [buf - token] = 0;
275		377
276	// initial map and its origin	378	#if 0
277	maptile *map = pl->ob->map;	379	// this makes only sense when we flush the buffer immediately
278	sint16 dx, dy;	380	if (pl->ns->mapinfo_try (copy))
279	int mapx = pl->ns->mapx / 2 - pl->ob->x;	381	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	382	else
332	snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);	383	#endif
		384	pl->ns->mapinfo_queue.push_back (copy);
333	}	385	}
334	else	386	else
335	snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);	387	pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
336
337	pl->ns->send_packet (bigbuf);
338	}	388	}
339		389
340	/** This is the Setup cmd */	390	/** This is the Setup cmd */
341	void	391	void
342	SetUp (char buf, int len, client ns)	392	SetUp (char buf, int len, client ns)
…		…
352	*/	402	*/
353	void	403	void
354	AddMeCmd (char buf, int len, client ns)	404	AddMeCmd (char buf, int len, client ns)
355	{	405	{
356	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));	406	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
357	}
358
359	/** Reply to ExtendedInfos command */
360	void
361	ToggleExtendedInfos (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	}	407	}
411		408
412	/*	409	/*
413	#define MSG_TYPE_BOOK 1	410	#define MSG_TYPE_BOOK 1
414	#define MSG_TYPE_CARD 2	411	#define MSG_TYPE_CARD 2
…		…
471		468
472	ns->send_packet (cmdback);	469	ns->send_packet (cmdback);
473	}	470	}
474		471
475	/**	472	/**
476	* client requested an image. send it rate-limited
477	* before flushing.
478	*/
479	void
480	AskFaceCmd (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	*/
489	void
490	AskSmooth (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,	473	* This handles the general commands from the client (ie, north, fire, cast,
498	* etc.)	474	* etc.)
499	*/	475	*/
500	void	476	void
501	PlayerCmd (char buf, int len, player pl)	477	PlayerCmd (char buf, int len, player pl)
…		…
533	void	509	void
534	NewPlayerCmd (char buf, int len, player pl)	510	NewPlayerCmd (char buf, int len, player pl)
535	{	511	{
536	if (len <= 6)	512	if (len <= 6)
537	{	513	{
538	LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf);	514	LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
539	return;	515	return;
540	}	516	}
541		517
542	uint16 cmdid = net_uint16 ((uint8 *)buf);	518	uint16 cmdid = net_uint16 ((uint8 *)buf);
543	sint32 repeat = net_sint32 ((uint8 *)buf + 2);	519	sint32 repeat = net_sint32 ((uint8 *)buf + 2);
…		…
681	* syntax is: move (to) (tag) (nrof)	657	* syntax is: move (to) (tag) (nrof)
682	*/	658	*/
683	void	659	void
684	MoveCmd (char buf, int len, player pl)	660	MoveCmd (char buf, int len, player pl)
685	{	661	{
686	int vals[3], i;	662	int to, tag, nrof;
687		663
688	/* A little funky here. We only cycle for 2 records, because	664	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	{	665	{
695	vals[i] = atoi (buf);
696
697	if (!(buf = strchr (buf, ' ')))
698	{
699	LOG (llevError, "Incomplete move command: %s\n", buf);	666	LOG (llevError, "Incomplete move command: %s\n", buf);
700	return;	667	return;
701	}
702
703	buf++;
704	}	668	}
705		669
706	vals[2] = atoi (buf);	670	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	}	671	}
711		672
712	/******************************************************************************	673	/******************************************************************************
713	*	674	*
714	* Start of commands the server sends to the client.	675	* Start of commands the server sends to the client.
…		…
747		708
748	//TODO: maybe golem should become the current_weapon, quite simply?	709	//TODO: maybe golem should become the current_weapon, quite simply?
749	if (pl->golem)	710	if (pl->golem)
750	buf << " Golem*: " << pl->golem->name;	711	buf << " Golem*: " << pl->golem->name;
751		712
		713	buf << '\0';
752	buf.linearise (obuf);	714	buf.linearise (obuf);
753	obuf [buf.size ()] = 0;
754	}	715	}
755		716
756	#define AddIfInt64(Old,New,Type) if (Old != New) {\	717	#define AddIfInt64(Old,New,Type) if (Old != New) {\
757	Old = New; \	718	Old = New; \
758	sl << uint8 (Type) << uint64 (New); \	719	sl << uint8 (Type) << uint64 (New); \
…		…
815	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);	776	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
816	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);	777	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
817	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);	778	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
818		779
819	for (int s = 0; s < NUM_SKILLS; s++)	780	for (int s = 0; s < NUM_SKILLS; s++)
820	if (object *skill = opl->last_skill_ob[s])	781	if (object *skill = opl->last_skill_ob [s])
821	if (skill->stats.exp != ns->last_skill_exp [s])	782	if (skill->stats.exp != ns->last_skill_exp [s])
822	{	783	{
823	ns->last_skill_exp [s] = skill->stats.exp;	784	ns->last_skill_exp [s] = skill->stats.exp;
824		785
825	/* Always send along the level if exp changes. This is only	786	/* Always send along the level if exp changes. This is only
…		…
881		842
882	/**	843	/**
883	* Tells the client that here is a player it should start using.	844	* Tells the client that here is a player it should start using.
884	*/	845	*/
885	void	846	void
886	esrv_new_player (player *pl, uint32 weight)	847	esrv_new_player (player *pl)
887	{	848	{
		849	sint32 weight = pl->ob->client_weight ();
		850
888	packet sl ("player");	851	packet sl ("player");
889		852
890	sl << uint32 (pl->ob->count)	853	sl << uint32 (pl->ob->count)
891	<< uint32 (weight)	854	<< uint32 (weight)
892	<< uint32 (pl->ob->face)	855	<< uint32 (pl->ob->face)
893	<< data8 (pl->ob->name);	856	<< data8 (pl->ob->name);
894		857
895	pl->ns->last_weight = weight;	858	pl->ns->last_weight = weight;
896	pl->ns->send_packet (sl);	859	pl->ns->send_packet (sl);
897	SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
898	}	860	}
899		861
900	/******************************************************************************	862	/******************************************************************************
901	*	863	*
902	* Start of map related commands.	864	* Start of map related commands.
…		…
959		921
960	if (!ns.faces_sent[face_num])	922	if (!ns.faces_sent[face_num])
961	if (ob)	923	if (ob)
962	ns.send_faces (ob);	924	ns.send_faces (ob);
963	else	925	else
964	ns.send_face (face_num);	926	ns.send_face (face_num, 10);
965		927
966	sl << uint16 (face_num);	928	sl << uint16 (face_num);
967	return 1;	929	return 1;
968	}	930	}
969		931
970	/* Nothing changed */	932	/* Nothing changed */
971	return 0;	933	return 0;
972	}
973
974	/**
975	* Returns the size of a data for a map square as returned by
976	* mapextended. There are CLIENTMAPXCLIENTMAPYLAYERS entries
977	* available.
978	*/
979	int
980	getExtendedMapInfoSize (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	}	934	}
992		935
993	// prefetch (and touch) all maps within a specific distancd	936	// prefetch (and touch) all maps within a specific distancd
994	static void	937	static void
995	prefetch_surrounding_maps (maptile *map, int distance)	938	prefetch_surrounding_maps (maptile *map, int distance)
…		…
1020	{	963	{
1021	object *ob = pl->observe;	964	object *ob = pl->observe;
1022	if (!ob->active)	965	if (!ob->active)
1023	return;	966	return;
1024		967
1025	maptile *plmap = ob->map;
1026
1027	/* If player is just joining the game, he isn't here yet, so the map	968	/* 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	969	* can get swapped out. If so, don't try to send them a map. All will
1029	* be OK once they really log in.	970	* be OK once they really log in.
1030	*/	971	*/
1031	if (!plmap \|\| plmap->in_memory != MAP_IN_MEMORY)	972	if (!ob->map \|\| ob->map->in_memory != MAP_ACTIVE)
1032	return;	973	return;
1033		974
1034	int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1035	int estartlen, eoldlen;	975	int startlen, oldlen;
1036	uint8 eentrysize;
1037	uint16 ewhatstart, ewhatflag;
1038	uint8 extendedinfos;
1039		976
1040	check_map_change (pl);	977	check_map_change (pl);
1041	prefetch_surrounding_maps (pl->ob);	978	prefetch_surrounding_maps (pl->ob);
1042		979
1043	/* do LOS after calls to update_position */	980	/* do LOS after calls to update_position */
1044	if (ob != pl->ob)	981	/* unfortunately, we need to udpate los when observing, currently */
1045	clear_los (pl);	982	if (pl->do_los \|\| pl->observe != pl->ob)
1046	else if (pl->do_los)
1047	{	983	{
1048	update_los (ob);
1049	pl->do_los = 0;	984	pl->do_los = 0;
		985	pl->update_los ();
1050	}	986	}
1051		987
1052	/**	988	/**
1053	* This function uses the new map1 protocol command to send the map	989	* 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	990	* to the client. It is necessary because the old map command supports
…		…
1073	*/	1009	*/
1074		1010
1075	client &socket = *pl->ns;	1011	client &socket = *pl->ns;
1076		1012
1077	packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");	1013	packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1078	packet esl;
1079		1014
1080	startlen = sl.length ();	1015	startlen = sl.length ();
1081		1016
1082	/Extendedmapinfo structure initialisation /	1017	int hx = socket.mapx / 2;
1083	if (socket.ext_mapinfos)	1018	int hy = socket.mapy / 2;
1084	{
1085	extendedinfos = EMI_NOREDRAW;
1086		1019
1087	if (socket.EMI_smooth)	1020	ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1088	extendedinfos \|= EMI_SMOOTH;	1021	int ax = dx + hx;
		1022	int ay = dy + hy;
1089		1023
1090	ewhatstart = esl.length ();	1024	int mask = (ax << 10) \| (ay << 4);
1091	ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1092	could need to be taken away */
1093	eentrysize = getExtendedMapInfoSize (&socket);
1094	esl << "mapextended "
1095	<< uint8 (extendedinfos)
1096	<< uint8 (eentrysize);
1097
1098	estartlen = esl.length ();
1099	}
1100
1101	/* x,y are the real map locations. ax, ay are viewport relative
1102	* locations.
1103	*/
1104	ay = 0;
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	{
1114	sint16 nx, ny;
1115	maptile *m = 0;
1116
1117	ax = 0;
1118	for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1119	{
1120	// check to see if we can simply go one right quickly
1121	++nx;
1122	if (m && nx >= m->width)
1123	m = 0;
1124
1125	if (!m)
1126	{
1127	nx = x; ny = y; m = plmap;
1128
1129	if (!xy_normalise (m, nx, ny))
1130	m = 0;
1131	}
1132
1133	int emask, mask;
1134	emask = mask = (ax & 0x3f) << 10 \| (ay & 0x3f) << 4;
1135
1136	MapCell &lastcell = socket.lastmap.cells[ax][ay];	1025	MapCell &lastcell = socket.lastmap.cells[ax][ay];
1137		1026
1138	/* If the coordinates are not valid, or it is too dark to see,	1027	/* If the coordinates are not valid, or it is too dark to see,
1139	* we tell the client as such	1028	* we tell the client as such
1140	*/	1029	*/
1141	if (!m)	1030	if (!m)
1142	{	1031	{
1143	/* space is out of map. Update space and clear values	1032	/* space is out of map. Update space and clear values
1144	* if this hasn't already been done. If the space is out	1033	* if this hasn't already been done. If the space is out
1145	* of the map, it shouldn't have a head	1034	* of the map, it shouldn't have a head.
1146	*/	1035	*/
1147	if (lastcell.count != -1)	1036	if (lastcell.count != -1)
		1037	{
		1038	sl << uint16 (mask);
		1039	map_clearcell (&lastcell, -1);
		1040	}
		1041
		1042	continue;
		1043	}
		1044
		1045	int d = pl->blocked_los_uc (dx, dy);
		1046
		1047	if (d > 3)
		1048	{
		1049	/* This block deals with spaces that are not visible for whatever
		1050	* reason. Still may need to send the head for this space.
		1051	*/
		1052	if (lastcell.count != -1
		1053	\|\| lastcell.faces[0]
		1054	\|\| lastcell.faces[1]
		1055	\|\| lastcell.faces[2]
		1056	\|\| lastcell.stat_hp
		1057	\|\| lastcell.flags
		1058	\|\| lastcell.player)
		1059	sl << uint16 (mask);
		1060
		1061	/* properly clear a previously sent big face */
		1062	map_clearcell (&lastcell, -1);
		1063	}
		1064	else
		1065	{
		1066	/* In this block, the space is visible.
		1067	*/
		1068
		1069	/* Rather than try to figure out what everything that we might
		1070	* need to send is, then form the packet after that,
		1071	* we presume that we will in fact form a packet, and update
		1072	* the bits by what we do actually send. If we send nothing,
		1073	* we just back out sl.length () to the old value, and no harm
		1074	* is done.
		1075	* I think this is simpler than doing a bunch of checks to see
		1076	* what if anything we need to send, setting the bits, then
		1077	* doing those checks again to add the real data.
		1078	*/
		1079	oldlen = sl.length ();
		1080
		1081	sl << uint16 (mask);
		1082
		1083	unsigned char dummy;
		1084	unsigned char *last_ext = &dummy;
		1085
		1086	/* Darkness changed */
		1087	if (lastcell.count != d && socket.darkness)
		1088	{
		1089	mask \|= 0x8;
		1090
		1091	if (socket.extmap)
		1092	{
		1093	*last_ext \|= 0x80;
		1094	last_ext = &sl[sl.length ()];
		1095	sl << uint8 (d);
		1096	}
		1097	else
		1098	sl << uint8 (255 - 64 * d);
		1099	}
		1100
		1101	lastcell.count = d;
		1102
		1103	mapspace &ms = m->at (nx, ny);
		1104	ms.update ();
		1105
		1106	if (expect_true (socket.extmap))
		1107	{
		1108	uint8 stat_hp = 0;
		1109	uint8 stat_width = 0;
		1110	uint8 flags = 0;
		1111	tag_t player = 0;
		1112
		1113	// send hp information, if applicable
		1114	if (object *op = ms.faces_obj [0])
		1115	if (op->is_head () && !op->invisible)
1148	{	1116	{
1149	sl << uint16 (mask);	1117	if (op->stats.maxhp > op->stats.hp
1150	map_clearcell (&lastcell, -1);	1118	&& op->stats.maxhp > 0
		1119	&& (op->type == PLAYER
		1120	\|\| op->type == DOOR // does not work, have maxhp 0
		1121	\|\| QUERY_FLAG (op, FLAG_MONSTER)
		1122	\|\| QUERY_FLAG (op, FLAG_ALIVE)
		1123	\|\| QUERY_FLAG (op, FLAG_GENERATOR)))
		1124	{
		1125	stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
		1126	stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
		1127	}
		1128
		1129	if (expect_false (op->has_dialogue ()))
		1130	flags \|= 1;
		1131
		1132	if (expect_false (op->type == PLAYER))
		1133	player = op == ob ? pl->ob->count
		1134	: op == pl->ob ? ob->count
		1135	: op->count;
1151	}	1136	}
1152		1137
1153	continue;	1138	if (expect_false (lastcell.stat_hp != stat_hp))
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	{	1139	{
		1140	lastcell.stat_hp = stat_hp;
		1141
1216	mask \|= 0x8;	1142	mask \|= 0x8;
		1143	*last_ext \|= 0x80;
		1144	last_ext = &sl[sl.length ()];
1217		1145
1218	if (socket.extmap)	1146	sl << uint8 (5) << uint8 (stat_hp);
		1147
		1148	if (stat_width > 1)
1219	{	1149	{
1220	*last_ext \|= 0x80;	1150	*last_ext \|= 0x80;
1221	last_ext = &sl[sl.length ()];	1151	last_ext = &sl[sl.length ()];
1222	sl << uint8 (d);
1223	}
1224	else
1225	sl << uint8 (255 - 64 * d);
1226	}
1227		1152
1228	lastcell.count = d;
1229
1230	mapspace &ms = m->at (nx, ny);
1231	ms.update ();
1232
1233	if (socket.extmap)
1234	{
1235	uint8 stat_hp = 0;
1236	uint8 stat_width = 0;
1237	uint8 flags = 0;
1238	tag_t player = 0;
1239
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;
1267	*last_ext \|= 0x80;
1268	last_ext = &sl[sl.length ()];
1269
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);	1153	sl << uint8 (6) << uint8 (stat_width);
1278	}
1279	}	1154	}
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;
1290	}
1291
1292	if (lastcell.flags != flags)
1293	{
1294	lastcell.flags = flags;
1295
1296	mask \|= 0x8;
1297	*last_ext \|= 0x80;
1298	last_ext = &sl[sl.length ()];
1299
1300	sl << uint8 (8) << uint8 (flags);
1301	}
1302	}	1155	}
1303		1156
1304	/* Floor face */	1157	if (expect_false (lastcell.player != player))
1305	if (update_space (sl, socket, ms, lastcell, 2))	1158	{
		1159	lastcell.player = player;
		1160
1306	mask \|= 0x4;	1161	mask \|= 0x8;
		1162	*last_ext \|= 0x80;
		1163	last_ext = &sl[sl.length ()];
1307		1164
1308	/* Middle face */	1165	sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1309	if (update_space (sl, socket, ms, lastcell, 1))	1166	}
		1167
		1168	if (expect_false (lastcell.flags != flags))
		1169	{
		1170	lastcell.flags = flags;
		1171
1310	mask \|= 0x2;	1172	mask \|= 0x8;
		1173	*last_ext \|= 0x80;
		1174	last_ext = &sl[sl.length ()];
1311		1175
1312	if (ms.player () == ob	1176	sl << uint8 (8) << uint8 (flags);
1313	&& (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1314	{	1177	}
		1178	}
		1179
		1180	/* Floor face */
		1181	if (update_space (sl, socket, ms, lastcell, 2))
		1182	mask \|= 0x4;
		1183
		1184	/* Middle face */
		1185	if (update_space (sl, socket, ms, lastcell, 1))
		1186	mask \|= 0x2;
		1187
		1188	if (expect_false (ob->invisible)
		1189	&& ob->invisible & (ob->invisible < 50 ? 1 : 7)
		1190	&& ms.player () == ob)
		1191	{
1315	// force player to be visible to himself if invisible	1192	// force player to be visible to himself if invisible
1316	if (lastcell.faces[0] != ob->face)	1193	if (lastcell.faces[0] != ob->face)
1317	{	1194	{
1318	lastcell.faces[0] = ob->face;	1195	lastcell.faces[0] = ob->face;
1319		1196
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;	1197	mask \|= 0x1;
		1198	sl << uint16 (ob->face);
1329		1199
		1200	socket.send_faces (ob);
		1201	}
		1202	}
		1203	/* Top face */
		1204	else if (update_space (sl, socket, ms, lastcell, 0))
		1205	mask \|= 0x1;
		1206
1330	/* Check to see if we are in fact sending anything for this	1207	/* Check to see if we are in fact sending anything for this
1331	* space by checking the mask. If so, update the mask.	1208	* space by checking the mask. If so, update the mask.
1332	* if not, reset the len to that from before adding the mask	1209	* if not, reset the len to that from before adding the mask
1333	* value, so we don't send those bits.	1210	* value, so we don't send those bits.
1334	*/	1211	*/
1335	if (mask & 0xf)	1212	if (mask & 0xf)
1336	sl[oldlen + 1] = mask & 0xff;	1213	sl[oldlen + 1] = mask & 0xff;
1337	else	1214	else
1338	sl.reset (oldlen);	1215	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 */	1216	} /* else this is a viewable space */
1369	} /* for x loop */	1217	ordered_mapwalk_end
1370	} /* for y loop */
1371		1218
1372	socket.flush_fx ();	1219	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		1220
1390	if (sl.length () > startlen \|\| socket.sent_scroll)	1221	if (sl.length () > startlen \|\| socket.sent_scroll)
1391	{	1222	{
1392	socket.send_packet (sl);	1223	socket.send_packet (sl);
1393	socket.sent_scroll = 0;	1224	socket.sent_scroll = 0;
…		…
1414	{	1245	{
1415	packet sl;	1246	packet sl;
1416	sl << "replyinfo skill_info\n";	1247	sl << "replyinfo skill_info\n";
1417		1248
1418	for (int i = 1; i < NUM_SKILLS; i++)	1249	for (int i = 1; i < NUM_SKILLS; i++)
1419	sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);	1250	sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
1420		1251
1421	if (sl.length () >= MAXSOCKBUF)	1252	if (sl.length () > MAXSOCKBUF)
1422	{	1253	{
1423	LOG (llevError, "Buffer overflow in send_skill_info!\n");	1254	LOG (llevError, "Buffer overflow in send_skill_info!\n");
1424	fatal (0);	1255	fatal (0);
1425	}	1256	}
1426		1257
…		…
1439	sl << "replyinfo spell_paths\n";	1270	sl << "replyinfo spell_paths\n";
1440		1271
1441	for (int i = 0; i < NRSPELLPATHS; i++)	1272	for (int i = 0; i < NRSPELLPATHS; i++)
1442	sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);	1273	sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1443		1274
1444	if (sl.length () >= MAXSOCKBUF)	1275	if (sl.length () > MAXSOCKBUF)
1445	{	1276	{
1446	LOG (llevError, "Buffer overflow in send_spell_paths!\n");	1277	LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1447	fatal (0);	1278	fatal (0);
1448	}	1279	}
1449		1280
…		…
1468	if (spell->type == SPELL)	1299	if (spell->type == SPELL)
1469	{	1300	{
1470	int flags = 0;	1301	int flags = 0;
1471		1302
1472	/* check if we need to update it */	1303	/* check if we need to update it */
1473	if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))	1304	if (spell->cached_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))
1474	{	1305	{
1475	spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);	1306	spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1476	flags \|= UPD_SP_MANA;	1307	flags \|= UPD_SP_MANA;
1477	}	1308	}
1478		1309
1479	if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))	1310	if (spell->cached_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))
1480	{	1311	{
1481	spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);	1312	spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1482	flags \|= UPD_SP_GRACE;	1313	flags \|= UPD_SP_GRACE;
1483	}	1314	}
1484		1315
1485	if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))	1316	if (spell->cached_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))
1486	{	1317	{
1487	spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);	1318	spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
1488	flags \|= UPD_SP_DAMAGE;	1319	flags \|= UPD_SP_DAMAGE;
1489	}	1320	}
1490		1321
1491	if (flags)	1322	if (flags)
1492	{	1323	{
…		…
1494		1325
1495	sl << "updspell "	1326	sl << "updspell "
1496	<< uint8 (flags)	1327	<< uint8 (flags)
1497	<< uint32 (spell->count);	1328	<< uint32 (spell->count);
1498		1329
1499	if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp);	1330	if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1500	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace);	1331	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->cached_grace);
1501	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat);	1332	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->cached_eat);
1502		1333
1503	pl->ns->send_packet (sl);	1334	pl->ns->send_packet (sl);
1504	}	1335	}
1505	}	1336	}
1506	}	1337	}
…		…
1536	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);	1367	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1537	return;	1368	return;
1538	}	1369	}
1539		1370
1540	/* store costs and damage in the object struct, to compare to later */	1371	/* 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);	1372	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);	1373	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);	1374	spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
1544		1375
1545	/* figure out which skill it uses, if it uses one */	1376	/* figure out which skill it uses, if it uses one */
1546	if (spell->skill)	1377	if (spell->skill)
1547	{	1378	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;	1379	skill = tmp->subtype + CS_STAT_SKILLINFO;
1552	break;
1553	}
1554	}
1555		1380
1556	// spells better have a face	1381	// spells better have a face
1557	if (!spell->face)	1382	if (!spell->face)
1558	{	1383	{
1559	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);	1384	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1560	spell->face = face_find ("burnout.x11", blank_face);	1385	spell->face = face_find ("burnout.x11", blank_face);
1561	}	1386	}
		1387
		1388	pl->ns->send_face (spell->face);
1562		1389
1563	/* send the current values */	1390	/* send the current values */
1564	sl << uint32 (spell->count)	1391	sl << uint32 (spell->count)
1565	<< uint16 (spell->level)	1392	<< uint16 (spell->level)
1566	<< uint16 (spell->casting_time)	1393	<< uint16 (spell->casting_time)
1567	<< uint16 (spell->last_sp)	1394	<< uint16 (spell->cached_sp)
1568	<< uint16 (spell->last_grace)	1395	<< uint16 (spell->cached_grace)
1569	<< uint16 (spell->last_eat)	1396	<< uint16 (spell->cached_eat)
1570	<< uint8 (skill)	1397	<< uint8 (skill)
1571	<< uint32 (spell->path_attuned)	1398	<< uint32 (spell->path_attuned)
1572	<< uint32 (spell->face)	1399	<< uint32 (spell->face)
1573	<< data8 (spell->name)	1400	<< data8 (spell->name)
1574	<< data16 (spell->msg);	1401	<< data16 (spell->msg);
…		…
1602	* bytes and 3 strings (because that is the spec) so we need to	1429	* 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,	1430	* 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,	1431	* 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	1432	* we need to send what we already have, and restart packet formation
1606	*/	1433	*/
		1434	if (spell->type != SPELL)
		1435	continue;
		1436
1607	/* Seeing crashes by overflowed buffers. Quick arithemetic seems	1437	/* Seeing crashes by overflowed buffers. Quick arithemetic seems
1608	* to show add_spell is 26 bytes + 2 strings. However, the overun	1438	* 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	1439	* is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1610	* like it will fix this	1440	* like it will fix this
1611	*/	1441	*/
1612	if (spell->type != SPELL)
1613	continue;
1614
1615	if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))	1442	if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1616	{	1443	{
		1444	pl->ns->flush_fx ();
1617	pl->ns->send_packet (sl);	1445	pl->ns->send_packet (sl);
1618		1446
1619	sl.reset ();	1447	sl.reset ();
1620	sl << "addspell ";	1448	sl << "addspell ";
1621	}	1449	}
…		…
1629	return;	1457	return;
1630	}	1458	}
1631	else	1459	else
1632	append_spell (pl, sl, spell);	1460	append_spell (pl, sl, spell);
1633		1461
1634	if (sl.length () >= MAXSOCKBUF)	1462	if (sl.length () > MAXSOCKBUF)
1635	{	1463	{
1636	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");	1464	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1637	fatal (0);	1465	fatal (0);
1638	}	1466	}
1639		1467
1640	/* finally, we can send the packet */	1468	/* finally, we can send the packet */
		1469	pl->ns->flush_fx ();
1641	pl->ns->send_packet (sl);	1470	pl->ns->send_packet (sl);
1642	}	1471	}
1643		1472

Diff Legend

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+Removed lines
-+
+Added lines
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+Changed lines
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+Changed lines

Comparing deliantra/server/socket/request.C (file contents): Revision 1.108 by root, Sat Jun 9 20:51:45 2007 UTC vs. Revision 1.145 by root, Fri Dec 26 10:44:17 2008 UTC

Diff Legend

Comparing deliantra/server/socket/request.C (file contents):
Revision 1.108 by root, Sat Jun 9 20:51:45 2007 UTC vs.
Revision 1.145 by root, Fri Dec 26 10:44:17 2008 UTC