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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.101 by root, Sun Jun 3 17:05:36 2007 UTC vs.
Revision 1.189 by root, Wed Oct 31 09:17:14 2012 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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 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	*/
69	short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS,	70	static 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
132	static void	143	static void
133	clear_map (player *pl)	144	clear_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
139	if (pl->ns->newmapcmd == 1)
140	pl->ns->send_packet ("newmap");	151	pl->ns->send_packet ("newmap");
141
142	pl->ns->floorbox_reset ();	152	pl->ns->floorbox_reset ();
		153	}
		154
		155	static void
		156	send_map_info (player *pl)
		157	{
		158	client &socket = *pl->ns;
		159	object *ob = pl->viewpoint;
		160
		161	if (socket.mapinfocmd)
		162	{
		163	if (ob->map && ob->map->path)
		164	{
		165	int flags = 0;
		166
		167	// due to historical glitches, the bit ordering and map index ordering differs
		168	if (ob->map->tile_path [TILE_NORTH]) flags |= 0x01;
		169	if (ob->map->tile_path [TILE_EAST ]) flags |= 0x02;
		170	if (ob->map->tile_path [TILE_SOUTH]) flags |= 0x04;
		171	if (ob->map->tile_path [TILE_WEST ]) flags |= 0x08;
		172	// these two are debatable
		173	if (ob->map->tile_path [TILE_UP ]) flags |= 0x10;
		174	if (ob->map->tile_path [TILE_DOWN ]) flags |= 0x20;
		175
		176	socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
		177	flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
		178	ob->map->width, ob->map->height, &ob->map->path);
		179	}
		180	else
		181	socket.send_packet ("mapinfo current");
		182	}
143	}	183	}
144		184
145	/** check for map/region change and send new map data */	185	/** check for map/region change and send new map data */
146	static void	186	static void
147	check_map_change (player *pl)	187	check_map_change (player *pl)
148	{	188	{
149	client &socket = *pl->ns;	189	client &socket = *pl->ns;
150	object *ob = pl->observe;	190	object *ob = pl->viewpoint;
		191
		192	region *reg = ob->region ();
		193	if (socket.current_region != reg)
		194	{
		195	INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
		196	socket.current_region = reg;
		197	}
		198
		199	// first try to avoid a full newmap on tiled map scrolls
		200	if (socket.current_map != ob->map && !socket.force_newmap)
		201	{
		202	rv_vector rv;
		203
		204	get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
		205
		206	// manhattan distance is very handy here
		207	if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
		208	{
		209	socket.current_map = ob->map;
		210	socket.current_x = ob->x;
		211	socket.current_y = ob->y;
		212
		213	socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
		214	socket.floorbox_reset ();
		215	send_map_info (pl);
		216	}
		217	}
151		218
152	if (socket.current_map != ob->map || socket.force_newmap)	219	if (socket.current_map != ob->map || socket.force_newmap)
153	{	220	{
154	clear_map (pl);	221	clear_map (pl);
155	socket.current_map = ob->map;	222	socket.current_map = ob->map;
156		223	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	}	224	}
176	else if (socket.current_x != ob->x || socket.current_y != ob->y)	225	else if (socket.current_x != ob->x || socket.current_y != ob->y)
177	{	226	{
178	int dx = ob->x - socket.current_x;	227	int dx = ob->x - socket.current_x;
179	int dy = ob->y - socket.current_y;	228	int dy = ob->y - socket.current_y;
180		229
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);	230	socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
186	socket.floorbox_reset ();	231	socket.floorbox_reset ();
187	}
188	}	232	}
189		233
190	socket.current_x = ob->x;	234	socket.current_x = ob->x;
191	socket.current_y = ob->y;	235	socket.current_y = ob->y;
		236	}
192		237
193	region *reg = ob->region ();	238	/**
194	if (socket.current_region != reg)	239	* This sends the skill number to name mapping. We ignore
195	{	240	* the params - we always send the same info no matter what.
196	socket.current_region = reg;	241	*/
197	socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);	242	static void
198	}	243	send_skill_info (client *ns, char *params)
		244	{
		245	packet sl;
		246	sl << "replyinfo skill_info\n";
		247
		248	for (int i = 0; i < skillvec.size (); ++i)
		249	sl.printf ("%d:%s\n", CS_STAT_SKILLINFO + i, &skillvec [i]->name);
		250
		251	if (sl.length () > MAXSOCKBUF)
		252	cleanup ("buffer overflow in send_skill_info!");
		253
		254	ns->send_packet (sl);
		255	}
		256
		257	/**
		258	* This sends the spell path to name mapping. We ignore
		259	* the params - we always send the same info no matter what.
		260	*/
		261	static void
		262	send_spell_paths (client * ns, char *params)
		263	{
		264	packet sl;
		265
		266	sl << "replyinfo spell_paths\n";
		267
		268	for (int i = 0; i < NRSPELLPATHS; i++)
		269	sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
		270
		271	if (sl.length () > MAXSOCKBUF)
		272	cleanup ("buffer overflow in send_spell_paths!");
		273
		274	ns->send_packet (sl);
199	}	275	}
200		276
201	/**	277	/**
202	* RequestInfo is sort of a meta command. There is some specific	278	* RequestInfo is sort of a meta command. There is some specific
203	* request of information, but we call other functions to provide	279	* request of information, but we call other functions to provide
204	* that information.	280	* that information.
205	*/	281	*/
206	void	282	void
207	RequestInfo (char *buf, int len, client * ns)	283	RequestInfo (char *buf, int len, client *ns)
208	{	284	{
209	char *params = NULL, *cp;	285	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		286
222	/* find the first space, make it null, and update the	287	/* find the first space, make it null, and update the
223	* params pointer.	288	* params pointer.
224	*/	289	*/
225	for (cp = buf; *cp != '\0'; cp++)	290	for (params = buf; *params; params++)
226	if (*cp == ' ')	291	if (*params == ' ')
227	{	292	{
228	*cp = '\0';
229	params = cp + 1;	293	*params++ = 0;
230	break;	294	break;
231	}	295	}
232		296
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"))	297	if (!strcmp (buf, "skill_info"))
238	send_skill_info (ns, params);	298	send_skill_info (ns, params);
239	else if (!strcmp (buf, "spell_paths"))	299	else if (!strcmp (buf, "spell_paths"))
240	send_spell_paths (ns, params);	300	send_spell_paths (ns, params);
241	else	301	else
242	ns->send_packet (bigbuf, len);	302	{
		303	// undo tokenisation above and send replyinfo with the request unchanged
		304	if (*params)
		305	*--params = ' ';
		306
		307	ns->send_packet_printf ("replyinfo %s", buf);
		308	}
243	}	309	}
244		310
245	void	311	void
246	ExtCmd (char *buf, int len, player *pl)	312	ExtCmd (char *buf, int len, player *pl)
247	{	313	{
…		…
250		316
251	void	317	void
252	ExtiCmd (char *buf, int len, client *ns)	318	ExtiCmd (char *buf, int len, client *ns)
253	{	319	{
254	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));	320	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
		321	}
		322
		323	//-GPL
		324
		325	void
		326	client::mapinfo_queue_clear ()
		327	{
		328	for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
		329	free (*i);
		330
		331	mapinfo_queue.clear ();
		332	}
		333
		334	bool
		335	client::mapinfo_try (char *buf)
		336	{
		337	char *token = buf;
		338	buf += strlen (buf) + 9;
		339
		340	// initial map and its origin
		341	maptile *map = pl->viewpoint->map;
		342	int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
		343	int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
		344	int max_distance = 8; // limit maximum path length to something generous
		345
		346	while (*buf && map && max_distance)
		347	{
		348	int dir = *buf++ - '1';
		349
		350	// due to historical glitches, the mapinfo index and tile index differs
		351	static unsigned char dirmap [] = { TILE_NORTH, TILE_EAST, TILE_SOUTH, TILE_WEST, TILE_UP, TILE_DOWN };
		352
		353	// maybe we should only allow the four flat directions
		354	if (IN_RANGE_EXC (dir, 0, array_length (dirmap)))
		355	{
		356	dir = dirmap [dir];
		357
		358	if (!map->tile_path [dir])
		359	map = 0;
		360	else if (map->tile_available (dir, false))
		361	{
		362	maptile *neigh = map->tile_map [dir];
		363
		364	switch (dir)
		365	{
		366	case 0: mapy -= neigh->height; break;
		367	case 2: mapy += map ->height; break;
		368	case 3: mapx -= neigh->width ; break;
		369	case 1: mapx += map ->width ; break;
		370	}
		371
		372	map = neigh;
		373	--max_distance;
		374	}
		375	else
		376	return 0;
		377	}
		378	else
		379	max_distance = 0;
		380	}
		381
		382	if (!max_distance)
		383	send_packet_printf ("mapinfo %s error", token);
		384	else if (!map || !map->path)
		385	send_packet_printf ("mapinfo %s nomap", token);
		386	else
		387	{
		388	int flags = 0;
		389
		390	// due to historical glitches, the bit ordering and map index ordering differs
		391	if (map->tile_path [TILE_NORTH]) flags |= 0x01;
		392	if (map->tile_path [TILE_EAST ]) flags |= 0x02;
		393	if (map->tile_path [TILE_SOUTH]) flags |= 0x04;
		394	if (map->tile_path [TILE_WEST ]) flags |= 0x08;
		395	// these two are debatable
		396	if (map->tile_path [TILE_UP ]) flags |= 0x10;
		397	if (map->tile_path [TILE_DOWN ]) flags |= 0x20;
		398
		399	send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
		400	}
		401
		402	return 1;
		403	}
		404
		405	void
		406	client::mapinfo_queue_run ()
		407	{
		408	if (mapinfo_queue.empty () || !pl)
		409	return;
		410
		411	for (int i = 0; i < mapinfo_queue.size (); ++i)
		412	if (mapinfo_try (mapinfo_queue [i]))
		413	{
		414	free (mapinfo_queue [i]);
		415	mapinfo_queue.erase (i);
		416	}
		417	else
		418	++i;
255	}	419	}
256		420
257	void	421	void
258	MapInfoCmd (char *buf, int len, player *pl)	422	MapInfoCmd (char *buf, int len, player *pl)
259	{	423	{
260	// <mapinfo tag spatial tile-path	424	// <mapinfo tag spatial tile-path
261	// >mapinfo tag spatial flags x y w h hash	425	// >mapinfo tag spatial flags x y w h hash
262		426
263	char bigbuf[MAX_BUF], *token;
264
265	token = buf;	427	char *token = buf;
266	// copy token	428
267	if (!(buf = strchr (buf, ' ')))	429	if (!(buf = strchr (buf, ' ')))
268	return;	430	return;
269		431
270	*buf++ = 0;
271
272	if (!strncmp (buf, "spatial ", 8))	432	if (!strncmp (buf, " spatial ", 9))
273	{	433	{
274	buf += 8;	434	char *copy = strdup (token);
		435	copy [buf - token] = 0;
275		436
276	// initial map and its origin	437	#if 0
277	maptile *map = pl->ob->map;	438	// this makes only sense when we flush the buffer immediately
278	sint16 dx, dy;	439	if (pl->ns->mapinfo_try (copy))
279	int mapx = pl->ns->mapx / 2 - pl->ob->x;	440	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	441	else
332	snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);	442	#endif
		443	pl->ns->mapinfo_queue.push_back (copy);
333	}	444	}
334	else	445	else
335	snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);	446	pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
336
337	pl->ns->send_packet (bigbuf);
338	}	447	}
339		448
340	/** This is the Setup cmd */	449	/** This is the Setup cmd */
341	void	450	void
342	SetUp (char *buf, int len, client * ns)	451	SetUp (char *buf, int len, client * ns)
…		…
354	AddMeCmd (char *buf, int len, client *ns)	463	AddMeCmd (char *buf, int len, client *ns)
355	{	464	{
356	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));	465	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
357	}	466	}
358		467
359	/** Reply to ExtendedInfos command */	468	//+GPL
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	}
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 */
421	void
422	ToggleExtendedText (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	*/
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		469
496	/**	470	/**
497	* This handles the general commands from the client (ie, north, fire, cast,	471	* This handles the general commands from the client (ie, north, fire, cast,
498	* etc.)	472	* etc.)
499	*/	473	*/
…		…
512	return;	486	return;
513		487
514	buf++;	488	buf++;
515	}	489	}
516		490
517	execute_newserver_command (pl->ob, (char *) buf);	491	execute_newserver_command (pl->ob, (char *)buf);
518		492
519	/* Perhaps something better should be done with a left over count.	493	/* Perhaps something better should be done with a left over count.
520	* Cleaning up the input should probably be done first - all actions	494	* 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	495	* for the command that issued the count should be done before any other
522	* commands.	496	* commands.
523	*/	497	*/
524	pl->count = 0;	498	pl->count = 0;
525	}	499	}
526		500
527
528	/**	501	/**
529	* This handles the general commands from the client (ie, north, fire, cast,	502	* This handles the general commands from the client (ie, north, fire, cast,
530	* etc.). It is a lot like PlayerCmd above, but is called with the	503	* etc.). It is a lot like PlayerCmd above, but is called with the
531	* 'ncom' method which gives more information back to the client so it	504	* 'ncom' method which gives more information back to the client so it
532	* can throttle.	505	* can throttle.
…		…
534	void	507	void
535	NewPlayerCmd (char *buf, int len, player *pl)	508	NewPlayerCmd (char *buf, int len, player *pl)
536	{	509	{
537	if (len <= 6)	510	if (len <= 6)
538	{	511	{
539	LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf);	512	LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
540	return;	513	return;
541	}	514	}
542		515
543	uint16 cmdid = net_uint16 ((uint8 *)buf);	516	uint16 cmdid = net_uint16 ((uint8 *)buf);
544	sint32 repeat = net_sint32 ((uint8 *)buf + 2);	517	sint32 repeat = net_sint32 ((uint8 *)buf + 2);
…		…
557	* commands.	530	* commands.
558	*/	531	*/
559	pl->count = 0;	532	pl->count = 0;
560		533
561	//TODO: schmorp thinks whatever this calculates, it makes no sense at all	534	//TODO: schmorp thinks whatever this calculates, it makes no sense at all
562	int time = fabs (pl->ob->speed) < 0.001	535	int time = pl->ob->has_active_speed ()
563	? time = MAX_TIME * 100
564	: time = (int) (MAX_TIME / fabs (pl->ob->speed));	536	? (int) (MAX_TIME / pl->ob->speed)
		537	: MAX_TIME * 100;
565		538
566	/* Send confirmation of command execution now */	539	/* Send confirmation of command execution now */
567	packet sl ("comc");	540	packet sl ("comc");
568	sl << uint16 (cmdid) << uint32 (time);	541	sl << uint16 (cmdid) << uint32 (time);
569	pl->ns->send_packet (sl);	542	pl->ns->send_packet (sl);
…		…
611	LOG (llevError, "Unknown input state: %d\n", ns->state);	584	LOG (llevError, "Unknown input state: %d\n", ns->state);
612	}	585	}
613	}	586	}
614		587
615	/**	588	/**
616	* Client tells its version. If there is a mismatch, we close the	589	* Client tells its version info.
617	* socket. In real life, all we should care about is the client having
618	* something older than the server. If we assume the client will be
619	* backwards compatible, having it be a later version should not be a
620	* problem.
621	*/	590	*/
622	void	591	void
623	VersionCmd (char *buf, int len, client * ns)	592	VersionCmd (char *buf, int len, client *ns)
624	{	593	{
625	if (!buf)	594	INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
626	{
627	LOG (llevError, "CS: received corrupted version command\n");
628	return;
629	}
630
631	ns->cs_version = atoi (buf);
632	ns->sc_version = ns->cs_version;
633
634	LOG (llevDebug, "connection from client <%s>\n", buf);
635
636	//TODO: should log here just for statistics
637
638	//if (VERSION_CS != ns->cs_version)
639	// unchecked;
640
641	char *cp = strchr (buf + 1, ' ');
642	if (!cp)
643	return;
644
645	ns->sc_version = atoi (cp);
646
647	//if (VERSION_SC != ns->sc_version)
648	// unchecked;
649
650	cp = strchr (cp + 1, ' ');
651
652	if (cp)
653	{
654	ns->version = cp + 1;
655
656	if (ns->sc_version < 1026)
657	ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
658	"**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
659	}
660	}	595	}
661		596
662	/** sound related functions. */	597	/** sound related functions. */
663	void	598	void
664	SetSound (char *buf, int len, client * ns)	599	SetSound (char *buf, int len, client * ns)
…		…
682	* syntax is: move (to) (tag) (nrof)	617	* syntax is: move (to) (tag) (nrof)
683	*/	618	*/
684	void	619	void
685	MoveCmd (char *buf, int len, player *pl)	620	MoveCmd (char *buf, int len, player *pl)
686	{	621	{
687	int vals[3], i;	622	int to, tag, nrof;
688		623
689	/* A little funky here. We only cycle for 2 records, because	624	if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
690	* we obviously are not going to find a space after the third
691	* record. Perhaps we should just replace this with a
692	* sscanf?
693	*/
694	for (i = 0; i < 2; i++)
695	{	625	{
696	vals[i] = atoi (buf);
697
698	if (!(buf = strchr (buf, ' ')))
699	{
700	LOG (llevError, "Incomplete move command: %s\n", buf);	626	LOG (llevError, "Incomplete move command: %s\n", buf);
701	return;	627	return;
702	}
703
704	buf++;
705	}	628	}
706		629
707	vals[2] = atoi (buf);	630	esrv_move_object (pl->ob, to, tag, nrof);
708
709	/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
710	esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
711	}	631	}
712		632
713	/******************************************************************************	633	/******************************************************************************
714	*	634	*
715	* Start of commands the server sends to the client.	635	* Start of commands the server sends to the client.
…		…
730	* Get player's current range attack in obuf.	650	* Get player's current range attack in obuf.
731	*/	651	*/
732	static void	652	static void
733	rangetostring (player *pl, char *obuf)	653	rangetostring (player *pl, char *obuf)
734	{	654	{
735	dynbuf_text buf;	655	dynbuf_text &buf = msg_dynbuf; buf.clear ();
		656
		657	#if 0
		658	// print ranged/chosen_skill etc. objects every call
		659	printf ("%s %s => %s (%s)\n",
		660	pl->ranged_ob ? &pl->ranged_ob->name : "-",
		661	pl->combat_ob ? &pl->combat_ob->name : "-",
		662	pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
		663	pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
		664	);
		665	#endif
736		666
737	if (pl->ranged_ob)	667	if (pl->ranged_ob)
738	buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;	668	buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
739		669
740	if (pl->combat_ob)	670	if (pl->combat_ob)
741	buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;	671	buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
742		672
		673	#if 0
743	//TODO: remove this when slot system is working, this is only for debugging	674	//TODO: remove this when slot system is working, this is only for debugging
744	if (pl->ob->chosen_skill)	675	if (pl->ob->chosen_skill)
745	buf << " Skill*: " << pl->ob->chosen_skill->name;	676	buf << " Skill*: " << pl->ob->chosen_skill->name;
		677	#endif
746		678
747	//TODO: maybe golem should become the current_weapon, quite simply?	679	//TODO: maybe golem should become the current_weapon, quite simply?
748	if (pl->golem)	680	if (pl->golem)
749	buf << " Golem*: " << pl->golem->name;	681	buf << " Golem*: " << pl->golem->name;
750		682
		683	buf << '\0';
751	buf.linearise (obuf);	684	buf.linearise (obuf);
752	obuf [buf.size ()] = 0;
753	}	685	}
754		686
755	#define AddIfInt64(Old,New,Type) if (Old != New) {\	687	#define AddIfInt64(Old,New,Type) if (Old != New) {\
756	Old = New; \	688	Old = New; \
757	sl << uint8 (Type) << uint64 (New); \	689	sl << uint8 (Type) << uint64 (New); \
…		…
784	* commands for now.	716	* commands for now.
785	*/	717	*/
786	void	718	void
787	esrv_update_stats (player *pl)	719	esrv_update_stats (player *pl)
788	{	720	{
789	char buf[MAX_BUF];
790	uint16 flags;
791
792	client *ns = pl->ns;	721	client *ns = pl->ns;
793	if (!ns)	722	if (!ns)
794	return;	723	return;
795		724
796	object *ob = pl->observe;	725	object *ob = pl->observe;
797	if (!ob)	726	if (!ob)
798	return;	727	return;
		728
		729	player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
799		730
800	packet sl ("stats");	731	packet sl ("stats");
801		732
802	AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);	733	AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
803	AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);	734	AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
…		…
811	AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);	742	AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
812	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);	743	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
813	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);	744	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
814	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);	745	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
815		746
816	for (int s = 0; s < NUM_SKILLS; s++)	747	for (int s = 0; s < CS_NUM_SKILLS; s++)
817	if (object *skill = pl->last_skill_ob[s])	748	if (object *skill = opl->last_skill_ob [s])
818	if (skill->stats.exp != ns->last_skill_exp [s])	749	if (skill->stats.exp != ns->last_skill_exp [s])
819	{	750	{
820	ns->last_skill_exp [s] = skill->stats.exp;	751	ns->last_skill_exp [s] = skill->stats.exp;
821		752
822	/* Always send along the level if exp changes. This is only	753	/* Always send along the level if exp changes. This is only
823	* 1 extra byte, but keeps processing simpler.	754	* 1 extra byte, but keeps processing simpler.
824	*/	755	*/
825	sl << uint8 (s + CS_STAT_SKILLINFO)	756	sl << uint8 (CS_STAT_SKILLINFO + s)
826	<< uint8 (skill->level)	757	<< uint8 (skill->level)
827	<< uint64 (skill->stats.exp);	758	<< uint64 (skill->stats.exp);
828	}	759	}
829		760
830	AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);	761	AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
831	AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);	762	AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
832	AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);	763	AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
833	AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);	764	AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
834	AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);	765	AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
835	AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK);	766	AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
836	AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);	767	AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
837	AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK);	768	AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
838	AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);	769	AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
839		770
840	flags = 0;	771	int flags = (opl->fire_on ? SF_FIREON : 0)
841		772	| (opl->run_on ? SF_RUNON : 0);
842	if (pl->fire_on)
843	flags |= SF_FIREON;
844
845	if (pl->run_on)
846	flags |= SF_RUNON;
847		773
848	AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);	774	AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
849		775
850	if (ns->sc_version < 1025)
851	{ AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
852	else
853	for (int i = 0; i < NROFATTACKS; i++)	776	for (int i = 0; i < NROFATTACKS; i++)
854	{
855	/* Skip ones we won't send */	777	/* Skip ones we won't send */
856	if (atnr_cs_stat[i] == -1)	778	if (atnr_cs_stat[i] >= 0)
857	continue;
858
859	AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);	779	AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
860	}
861		780
862	if (pl->ns->monitor_spells)	781	if (pl->ns->monitor_spells)
863	{	782	{
864	AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);	783	AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
865	AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);	784	AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
866	AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);	785	AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
867	}	786	}
868		787
		788	char buf[MAX_BUF];
869	rangetostring (pl, buf); /* we want use the new fire & run system in new client */	789	rangetostring (opl, buf); /* we want use the new fire & run system in new client */
870	AddIfString (ns->stats.range, buf, CS_STAT_RANGE);	790	AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
871	set_title (ob, buf);	791	set_title (ob, buf);
872	AddIfString (ns->stats.title, buf, CS_STAT_TITLE);	792	AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
873		793
874	/* Only send it away if we have some actual data */	794	/* Only send it away if we have some actual data */
…		…
878		798
879	/**	799	/**
880	* Tells the client that here is a player it should start using.	800	* Tells the client that here is a player it should start using.
881	*/	801	*/
882	void	802	void
883	esrv_new_player (player *pl, uint32 weight)	803	esrv_new_player (player *pl)
884	{	804	{
		805	sint32 weight = pl->ob->client_weight ();
		806
885	packet sl ("player");	807	packet sl ("player");
886		808
887	sl << uint32 (pl->ob->count)	809	sl << uint32 (pl->ob->count)
888	<< uint32 (weight)	810	<< uint32 (weight)
889	<< uint32 (pl->ob->face)	811	<< uint32 (pl->ob->face)
890	<< data8 (pl->ob->name);	812	<< data8 (pl->ob->name);
891		813
892	pl->ns->last_weight = weight;	814	pl->ns->last_weight = weight;
893	pl->ns->send_packet (sl);	815	pl->ns->send_packet (sl);
894	SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
895	}	816	}
896		817
897	/******************************************************************************	818	/******************************************************************************
898	*	819	*
899	* Start of map related commands.	820	* Start of map related commands.
…		…
956		877
957	if (!ns.faces_sent[face_num])	878	if (!ns.faces_sent[face_num])
958	if (ob)	879	if (ob)
959	ns.send_faces (ob);	880	ns.send_faces (ob);
960	else	881	else
961	ns.send_face (face_num);	882	ns.send_face (face_num, 10);
962		883
963	sl << uint16 (face_num);	884	sl << uint16 (face_num);
964	return 1;	885	return 1;
965	}	886	}
966		887
967	/* Nothing changed */	888	/* Nothing changed */
968	return 0;	889	return 0;
969	}	890	}
970		891
971	/**	892	/**
972	* Returns the size of a data for a map square as returned by
973	* mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
974	* available.
975	*/
976	int
977	getExtendedMapInfoSize (client * ns)
978	{
979	int result = 0;
980
981	if (ns->ext_mapinfos)
982	{
983	if (ns->EMI_smooth)
984	result += 1; /*One byte for smoothlevel */
985	}
986
987	return result;
988	}
989
990	// prefetch (and touch) all maps within a specific distancd
991	static void
992	prefetch_surrounding_maps (maptile *map, int distance)
993	{
994	map->last_access = runtime;
995
996	if (--distance)
997	for (int dir = 4; --dir; )
998	if (const shstr &path = map->tile_path [dir])
999	if (maptile *&neigh = map->tile_map [dir])
1000	prefetch_surrounding_maps (neigh, distance);
1001	else
1002	neigh = maptile::find_async (path, map);
1003	}
1004
1005	// prefetch a generous area around the player
1006	static void
1007	prefetch_surrounding_maps (object *op)
1008	{
1009	prefetch_surrounding_maps (op->map, 3);
1010	}
1011
1012	/**
1013	* Draws client map.	893	* Draws client map.
1014	*/	894	*/
1015	void	895	void
1016	draw_client_map (player *pl)	896	draw_client_map (player *pl)
1017	{	897	{
1018	object *ob = pl->observe;	898	object *ob = pl->viewpoint;
1019	if (!ob->active)	899	if (!pl->observe->active)
1020	return;	900	return;
1021
1022	maptile *plmap = ob->map;
1023		901
1024	/* If player is just joining the game, he isn't here yet, so the map	902	/* If player is just joining the game, he isn't here yet, so the map
1025	* can get swapped out. If so, don't try to send them a map. All will	903	* can get swapped out. If so, don't try to send them a map. All will
1026	* be OK once they really log in.	904	* be OK once they really log in.
1027	*/	905	*/
1028	if (!plmap || plmap->in_memory != MAP_IN_MEMORY)	906	if (!ob->map || ob->map->state != MAP_ACTIVE)
1029	return;	907	return;
1030		908
1031	int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1032	sint16 nx, ny;
1033	int estartlen, eoldlen;	909	int startlen, oldlen;
1034	uint8 eentrysize;
1035	uint16 ewhatstart, ewhatflag;
1036	uint8 extendedinfos;
1037	maptile *m;
1038		910
1039	check_map_change (pl);	911	check_map_change (pl);
1040	prefetch_surrounding_maps (pl->ob);	912	pl->ob->prefetch_surrounding_maps ();
1041		913
1042	/* do LOS after calls to update_position */	914	/* do LOS after calls to update_position */
1043	if (pl->do_los)	915	/* unfortunately, we need to udpate los when observing, currently */
		916	if (pl->do_los || pl->viewpoint != pl->ob)
1044	{	917	{
1045	update_los (ob);
1046	pl->do_los = 0;	918	pl->do_los = 0;
		919	pl->update_los ();
1047	}	920	}
1048		921
1049	/**	922	/**
1050	* This function uses the new map1 protocol command to send the map	923	* This function uses the new map1 protocol command to send the map
1051	* to the client. It is necessary because the old map command supports	924	* to the client. It is necessary because the old map command supports
…		…
1069	* look like.	942	* look like.
1070	*/	943	*/
1071		944
1072	client &socket = *pl->ns;	945	client &socket = *pl->ns;
1073		946
1074	packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");	947	packet sl ("map1a");
1075	packet esl;
1076		948
1077	startlen = sl.length ();	949	startlen = sl.length ();
1078		950
1079	/*Extendedmapinfo structure initialisation */	951	int hx = socket.mapx / 2;
1080	if (socket.ext_mapinfos)	952	int hy = socket.mapy / 2;
1081	{
1082	extendedinfos = EMI_NOREDRAW;
1083		953
1084	if (socket.EMI_smooth)	954	ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1085	extendedinfos |= EMI_SMOOTH;	955	int ax = dx + hx;
		956	int ay = dy + hy;
1086		957
1087	ewhatstart = esl.length ();	958	int mask = (ax << 10) | (ay << 4);
1088	ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1089	could need to be taken away */
1090	eentrysize = getExtendedMapInfoSize (&socket);
1091	esl << "mapextended "
1092	<< uint8 (extendedinfos)
1093	<< uint8 (eentrysize);
1094
1095	estartlen = esl.length ();
1096	}
1097
1098	/* x,y are the real map locations. ax, ay are viewport relative
1099	* locations.
1100	*/
1101	ay = 0;
1102
1103	/* We could do this logic as conditionals in the if statement,
1104	* but that started to get a bit messy to look at.
1105	*/
1106	max_x = ob->x + (socket.mapx + 1) / 2;
1107	max_y = ob->y + (socket.mapy + 1) / 2;
1108
1109	for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1110	{
1111	ax = 0;
1112	for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1113	{
1114	int emask, mask;
1115	emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1116
1117	MapCell &lastcell = socket.lastmap.cells[ax][ay];	959	MapCell &lastcell = socket.lastmap.cells[ax][ay];
1118		960
1119	/* If the coordinates are not valid, or it is too dark to see,	961	/* If the coordinates are not valid, or it is too dark to see,
1120	* we tell the client as such	962	* we tell the client as such
		963	*/
		964	if (!m)
		965	{
		966	/* space is out of map. Update space and clear values
		967	* if this hasn't already been done. If the space is out
		968	* of the map, it shouldn't have a head.
1121	*/	969	*/
1122	nx = x;	970	if (lastcell.count != -1)
1123	ny = y;	971	{
1124	m = get_map_from_coord (plmap, &nx, &ny);	972	sl << uint16 (mask);
		973	map_clearcell (&lastcell, -1);
		974	}
1125		975
1126	if (!m)	976	continue;
		977	}
		978
		979	int d = pl->blocked_los_uc (dx, dy);
		980
		981	if (d > 3)
		982	{
		983	/* This block deals with spaces that are not visible for whatever
		984	* reason. Still may need to send the head for this space.
		985	*/
		986	if (lastcell.count != -1
		987	|| lastcell.faces[0]
		988	|| lastcell.faces[1]
		989	|| lastcell.faces[2]
		990	|| lastcell.stat_hp
		991	|| lastcell.flags
		992	|| lastcell.player)
		993	sl << uint16 (mask);
		994
		995	/* properly clear a previously sent big face */
		996	map_clearcell (&lastcell, -1);
		997	}
		998	else
		999	{
		1000	/* In this block, the space is visible.
		1001	*/
		1002
		1003	/* Rather than try to figure out what everything that we might
		1004	* need to send is, then form the packet after that,
		1005	* we presume that we will in fact form a packet, and update
		1006	* the bits by what we do actually send. If we send nothing,
		1007	* we just back out sl.length () to the old value, and no harm
		1008	* is done.
		1009	* I think this is simpler than doing a bunch of checks to see
		1010	* what if anything we need to send, setting the bits, then
		1011	* doing those checks again to add the real data.
		1012	*/
		1013	oldlen = sl.length ();
		1014
		1015	sl << uint16 (mask);
		1016
		1017	unsigned char dummy;
		1018	unsigned char *last_ext = &dummy;
		1019
		1020	/* Darkness changed */
		1021	if (lastcell.count != d)
		1022	{
		1023	mask |= 0x8;
		1024
		1025	*last_ext |= 0x80;
		1026	last_ext = &sl[sl.length ()];
		1027	sl << uint8 (d);
		1028	}
		1029
		1030	lastcell.count = d;
		1031
		1032	mapspace &ms = m->at (nx, ny);
		1033	ms.update ();
		1034
		1035	// extmap handling
		1036	uint8 stat_hp = 0;
		1037	uint8 stat_width = 0;
		1038	uint8 flags = 0;
		1039	tag_t player = 0;
		1040
		1041	// send hp information, if applicable
		1042	if (object *op = ms.faces_obj [0])
		1043	if (op->is_head () && !op->invisible)
1127	{	1044	{
1128	/* space is out of map. Update space and clear values	1045	if (op->stats.maxhp > op->stats.hp
1129	* if this hasn't already been done. If the space is out	1046	&& op->stats.maxhp > 0
1130	* of the map, it shouldn't have a head	1047	&& (op->type == PLAYER
1131	*/	1048	|| op->type == DOOR // does not work, have maxhp 0
1132	if (lastcell.count != -1)	1049	|| op->flag [FLAG_MONSTER]
		1050	|| op->flag [FLAG_ALIVE]
		1051	|| op->flag [FLAG_GENERATOR]))
1133	{	1052	{
1134	sl << uint16 (mask);	1053	stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1135	map_clearcell (&lastcell, -1);	1054	stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1136	}	1055	}
1137		1056
1138	continue;	1057	if (expect_false (op->has_dialogue ()))
		1058	flags |= 1;
		1059
		1060	if (expect_false (op->type == PLAYER))
		1061	player = op == ob ? pl->ob->count
		1062	: op == pl->ob ? ob->count
		1063	: op->count;
1139	}	1064	}
1140
1141	m->touch ();
1142		1065
1143	int d = ob->contr->blocked_los[ax][ay];	1066	if (expect_false (lastcell.stat_hp != stat_hp))
1144
1145	if (d > 3)
1146	{	1067	{
		1068	lastcell.stat_hp = stat_hp;
1147		1069
1148	int need_send = 0, count;	1070	mask |= 0x8;
		1071	*last_ext |= 0x80;
		1072	last_ext = &sl[sl.length ()];
1149		1073
1150	/* This block deals with spaces that are not visible for whatever	1074	sl << uint8 (5) << uint8 (stat_hp);
1151	* reason. Still may need to send the head for this space.
1152	*/
1153		1075
1154	oldlen = sl.length ();	1076	if (stat_width > 1)
1155
1156	sl << uint16 (mask);
1157
1158	if (lastcell.count != -1)
1159	need_send = 1;
1160
1161	count = -1;
1162
1163	/* properly clear a previously sent big face */
1164	if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1165	|| lastcell.stat_hp || lastcell.flags || lastcell.player)
1166	need_send = 1;
1167
1168	map_clearcell (&lastcell, count);
1169
1170	if ((mask & 0xf) || need_send)
1171	sl[oldlen + 1] = mask & 0xff;
1172	else
1173	sl.reset (oldlen);
1174	}
1175	else
1176	{
1177	/* In this block, the space is visible.
1178	*/
1179
1180	/* Rather than try to figure out what everything that we might
1181	* need to send is, then form the packet after that,
1182	* we presume that we will in fact form a packet, and update
1183	* the bits by what we do actually send. If we send nothing,
1184	* we just back out sl.length () to the old value, and no harm
1185	* is done.
1186	* I think this is simpler than doing a bunch of checks to see
1187	* what if anything we need to send, setting the bits, then
1188	* doing those checks again to add the real data.
1189	*/
1190	oldlen = sl.length ();
1191	eoldlen = esl.length ();
1192
1193	sl << uint16 (mask);
1194
1195	unsigned char dummy;
1196	unsigned char *last_ext = &dummy;
1197
1198	/* Darkness changed */
1199	if (lastcell.count != d && socket.darkness)
1200	{	1077	{
1201	mask |= 0x8;
1202
1203	if (socket.extmap)
1204	{
1205	*last_ext |= 0x80;	1078	*last_ext |= 0x80;
1206	last_ext = &sl[sl.length ()];	1079	last_ext = &sl[sl.length ()];
1207	sl << uint8 (d);	1080
1208	}	1081	sl << uint8 (6) << uint8 (stat_width);
1209	else
1210	sl << uint8 (255 - 64 * d);
1211	}	1082	}
		1083	}
1212		1084
1213	lastcell.count = d;	1085	if (expect_false (lastcell.player != player))
1214
1215	mapspace &ms = m->at (nx, ny);
1216
1217	if (socket.extmap)
1218	{	1086	{
1219	uint8 stat_hp = 0;	1087	lastcell.player = player;
1220	uint8 stat_width = 0;
1221	uint8 flags = 0;
1222	tag_t player = 0;
1223		1088
1224	// send hp information, if applicable
1225	if (object *op = ms.faces_obj [0])
1226	{
1227	if (op->head || op->invisible)
1228	; // do not show
1229	else if (op->type == PLAYER
1230	|| QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1231	{
1232	if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1233	{
1234	stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1235	stat_width = op->arch->tail_x;
1236	}
1237	}
1238
1239	if (op->msg && op->msg[0] == '@')
1240	flags |= 1;
1241
1242	if (op->type == PLAYER && op != ob)
1243	player = op->count;
1244	}
1245
1246	if (lastcell.stat_hp != stat_hp)
1247	{
1248	lastcell.stat_hp = stat_hp;
1249
1250	mask |= 0x8;	1089	mask |= 0x8;
1251	*last_ext |= 0x80;	1090	*last_ext |= 0x80;
1252	last_ext = &sl[sl.length ()];	1091	last_ext = &sl[sl.length ()];
1253		1092
1254	sl << uint8 (5) << uint8 (stat_hp);
1255
1256	if (stat_width > 1)
1257	{
1258	*last_ext |= 0x80;
1259	last_ext = &sl[sl.length ()];
1260
1261	sl << uint8 (6) << uint8 (stat_width);
1262	}
1263	}
1264
1265	if (lastcell.player != player)
1266	{
1267	lastcell.player = player;
1268
1269	mask |= 0x8;
1270	*last_ext |= 0x80;
1271	last_ext = &sl[sl.length ()];
1272
1273	sl << uint8 (0x47) << uint8 (4) << (uint32)player;	1093	sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1274	}	1094	}
1275		1095
1276	if (lastcell.flags != flags)	1096	if (expect_false (lastcell.flags != flags))
1277	{	1097	{
1278	lastcell.flags = flags;	1098	lastcell.flags = flags;
1279		1099
1280	mask |= 0x8;	1100	mask |= 0x8;
1281	*last_ext |= 0x80;	1101	*last_ext |= 0x80;
1282	last_ext = &sl[sl.length ()];	1102	last_ext = &sl[sl.length ()];
1283		1103
1284	sl << uint8 (8) << uint8 (flags);	1104	sl << uint8 (8) << uint8 (flags);
1285	}
1286	}	1105	}
1287		1106
		1107	// faces
		1108
1288	/* Floor face */	1109	/* Floor face */
1289	if (update_space (sl, socket, ms, lastcell, 2))	1110	if (update_space (sl, socket, ms, lastcell, 2))
1290	mask |= 0x4;	1111	mask |= 0x4;
1291		1112
1292	/* Middle face */	1113	/* Middle face */
1293	if (update_space (sl, socket, ms, lastcell, 1))	1114	if (update_space (sl, socket, ms, lastcell, 1))
1294	mask |= 0x2;	1115	mask |= 0x2;
1295		1116
		1117	if (expect_false (ob->invisible)
		1118	&& ob->invisible & (ob->invisible < 50 ? 1 : 7)
1296	if (ms.player () == ob	1119	&& ms.player () == ob)
1297	&& (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1298	{	1120	{
1299	// force player to be visible to himself if invisible	1121	// force player to be visible to himself if invisible
1300	if (lastcell.faces[0] != ob->face)	1122	if (lastcell.faces[0] != ob->face)
1301	{	1123	{
1302	lastcell.faces[0] = ob->face;	1124	lastcell.faces[0] = ob->face;
1303		1125
1304	mask |= 0x1;
1305	sl << uint16 (ob->face);
1306
1307	socket.send_faces (ob);
1308	}
1309	}
1310	/* Top face */
1311	else if (update_space (sl, socket, ms, lastcell, 0))
1312	mask |= 0x1;	1126	mask |= 0x1;
		1127	sl << uint16 (ob->face);
		1128
		1129	socket.send_faces (ob);
1313		1130	}
		1131	}
		1132	/* Top face */
		1133	else if (update_space (sl, socket, ms, lastcell, 0))
		1134	mask |= 0x1;
1314		1135
1315	/* Check to see if we are in fact sending anything for this	1136	/* Check to see if we are in fact sending anything for this
1316	* space by checking the mask. If so, update the mask.	1137	* space by checking the mask. If so, update the mask.
1317	* if not, reset the len to that from before adding the mask	1138	* if not, reset the len to that from before adding the mask
1318	* value, so we don't send those bits.	1139	* value, so we don't send those bits.
1319	*/	1140	*/
1320	if (mask & 0xf)	1141	if (mask & 0xf)
1321	sl[oldlen + 1] = mask & 0xff;	1142	sl[oldlen + 1] = mask & 0xff;
1322	else	1143	else
1323	sl.reset (oldlen);	1144	sl.reset (oldlen);
1324
1325	if (socket.ext_mapinfos)
1326	esl << uint16 (emask);
1327
1328	if (socket.EMI_smooth)
1329	{
1330	for (int layer = 2+1; layer--; )
1331	{
1332	object *ob = ms.faces_obj [layer];
1333
1334	// If there is no object for this space, or if the face for the object
1335	// is the blank face, set the smoothlevel to zero.
1336	int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1337
1338	// We've gotten what face we want to use for the object. Now see if
1339	// if it has changed since we last sent it to the client.
1340	if (lastcell.smooth[layer] != smoothlevel)
1341	{
1342	lastcell.smooth[layer] = smoothlevel;
1343	esl << uint8 (smoothlevel);
1344	emask |= 1 << layer;
1345	}
1346	}
1347
1348	if (emask & 0xf)
1349	esl[eoldlen + 1] = emask & 0xff;
1350	else
1351	esl.reset (eoldlen);
1352	}
1353	} /* else this is a viewable space */	1145	} /* else this is a viewable space */
1354	} /* for x loop */	1146	ordered_mapwalk_end
1355	} /* for y loop */
1356		1147
1357	socket.flush_fx ();	1148	socket.flush_fx ();
1358
1359	/* Verify that we in fact do need to send this */
1360	if (socket.ext_mapinfos)
1361	{
1362	if (!(sl.length () > startlen || socket.sent_scroll))
1363	{
1364	/* No map data will follow, so don't say the client
1365	* it doesn't need draw!
1366	*/
1367	ewhatflag &= ~EMI_NOREDRAW;
1368	esl[ewhatstart + 1] = ewhatflag & 0xff;
1369	}
1370
1371	if (esl.length () > estartlen)
1372	socket.send_packet (esl);
1373	}
1374		1149
1375	if (sl.length () > startlen || socket.sent_scroll)	1150	if (sl.length () > startlen || socket.sent_scroll)
1376	{	1151	{
1377	socket.send_packet (sl);	1152	socket.send_packet (sl);
1378	socket.sent_scroll = 0;	1153	socket.sent_scroll = 0;
1379	}	1154	}
1380	}	1155	}
1381		1156
1382	/*****************************************************************************/
1383	/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1384	/* a player. Of course, the client need to know the command to be able to */
1385	/* manage it ! */
1386	/*****************************************************************************/
1387	void
1388	send_plugin_custom_message (object *pl, char *buf)
1389	{
1390	pl->contr->ns->send_packet (buf);
1391	}
1392
1393	/**
1394	* This sends the skill number to name mapping. We ignore
1395	* the params - we always send the same info no matter what.
1396	*/
1397	void
1398	send_skill_info (client *ns, char *params)
1399	{
1400	packet sl;
1401	sl << "replyinfo skill_info\n";
1402
1403	for (int i = 1; i < NUM_SKILLS; i++)
1404	sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
1405
1406	if (sl.length () >= MAXSOCKBUF)
1407	{
1408	LOG (llevError, "Buffer overflow in send_skill_info!\n");
1409	fatal (0);
1410	}
1411
1412	ns->send_packet (sl);
1413	}
1414
1415	/**
1416	* This sends the spell path to name mapping. We ignore
1417	* the params - we always send the same info no matter what.
1418	*/
1419	void
1420	send_spell_paths (client * ns, char *params)
1421	{
1422	packet sl;
1423
1424	sl << "replyinfo spell_paths\n";
1425
1426	for (int i = 0; i < NRSPELLPATHS; i++)
1427	sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1428
1429	if (sl.length () >= MAXSOCKBUF)
1430	{
1431	LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1432	fatal (0);
1433	}
1434
1435	ns->send_packet (sl);
1436	}
1437
1438	/**	1157	/**
1439	* This looks for any spells the player may have that have changed their stats.	1158	* This looks for any spells the player may have that have changed their stats.
1440	* it then sends an updspell packet for each spell that has changed in this way	1159	* it then sends an updspell packet for each spell that has changed in this way
1441	*/	1160	*/
1442	void	1161	void
1443	esrv_update_spells (player *pl)	1162	esrv_update_spells (player *pl)
1444	{	1163	{
1445	if (!pl->ns)	1164	if (!pl->ns)
1446	return;	1165	return;
1447		1166
		1167	pl->ns->update_spells = false;
		1168
1448	if (!pl->ns->monitor_spells)	1169	if (!pl->ns->monitor_spells)
1449	return;	1170	return;
1450		1171
1451	for (object *spell = pl->ob->inv; spell; spell = spell->below)	1172	for (object *spell = pl->ob->inv; spell; spell = spell->below)
1452	{
1453	if (spell->type == SPELL)	1173	if (spell->type == SPELL)
1454	{	1174	{
1455	int flags = 0;	1175	int flags = 0;
		1176	int val;
1456		1177
1457	/* check if we need to update it */	1178	/* check if we need to update it */
1458	if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))	1179	val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
		1180	if (spell->cached_sp != val)
1459	{	1181	{
1460	spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);	1182	spell->cached_sp = val;
1461	flags |= UPD_SP_MANA;	1183	flags |= UPD_SP_MANA;
1462	}	1184	}
1463		1185
1464	if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))	1186	val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
		1187	if (spell->cached_grace != val)
1465	{	1188	{
1466	spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);	1189	spell->cached_grace = val;
1467	flags |= UPD_SP_GRACE;	1190	flags |= UPD_SP_GRACE;
1468	}	1191	}
1469		1192
1470	if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))	1193	val = casting_level (pl->ob, spell);
		1194	if (spell->cached_eat != val)
1471	{	1195	{
1472	spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);	1196	spell->cached_eat = val;
1473	flags |= UPD_SP_DAMAGE;	1197	flags |= UPD_SP_LEVEL;
1474	}	1198	}
1475		1199
1476	if (flags)	1200	if (flags)
1477	{	1201	{
1478	packet sl;	1202	packet sl;
1479		1203
1480	sl << "updspell "	1204	sl << "updspell "
1481	<< uint8 (flags)	1205	<< uint8 (flags)
1482	<< uint32 (spell->count);	1206	<< uint32 (spell->count);
1483		1207
1484	if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp);	1208	if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1485	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace);	1209	if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1486	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat);	1210	if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1487		1211
1488	pl->ns->send_packet (sl);	1212	pl->ns->send_packet (sl);
1489	}	1213	}
1490	}	1214	}
1491	}
1492	}	1215	}
1493		1216
1494	void	1217	void
1495	esrv_remove_spell (player *pl, object *spell)	1218	esrv_remove_spell (player *pl, object *spell)
1496	{	1219	{
…		…
1512		1235
1513	/* appends the spell *spell to the Socklist we will send the data to. */	1236	/* appends the spell *spell to the Socklist we will send the data to. */
1514	static void	1237	static void
1515	append_spell (player *pl, packet &sl, object *spell)	1238	append_spell (player *pl, packet &sl, object *spell)
1516	{	1239	{
1517	int i, skill = 0;	1240	int skill = 0;
1518		1241
1519	if (!(spell->name))	1242	if (!(spell->name))
1520	{	1243	{
1521	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);	1244	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1522	return;	1245	return;
1523	}	1246	}
1524		1247
1525	/* store costs and damage in the object struct, to compare to later */	1248	/* store costs and damage in the object struct, to compare to later */
1526	spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);	1249	spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1527	spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);	1250	spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1528	spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);	1251	spell->cached_eat = casting_level (pl->ob, spell);
1529		1252
1530	/* figure out which skill it uses, if it uses one */	1253	/* figure out which skill it uses, if it uses one */
1531	if (spell->skill)	1254	if (spell->skill)
1532	{	1255	if (object *tmp = pl->find_skill (spell->skill))
1533	for (i = 1; i < NUM_SKILLS; i++)	1256	skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
1534	if (!strcmp (spell->skill, skill_names[i]))
1535	{
1536	skill = i + CS_STAT_SKILLINFO;
1537	break;
1538	}
1539	}
1540		1257
1541	// spells better have a face	1258	// spells better have a face
1542	if (!spell->face)	1259	if (!spell->face)
1543	{	1260	{
1544	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);	1261	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1545	spell->face = face_find ("burnout.x11", blank_face);	1262	spell->face = face_find ("burnout.x11", blank_face);
1546	}	1263	}
		1264
		1265	pl->ns->send_face (spell->face);
1547		1266
1548	/* send the current values */	1267	/* send the current values */
1549	sl << uint32 (spell->count)	1268	sl << uint32 (spell->count)
1550	<< uint16 (spell->level)	1269	<< uint16 (spell->level)
1551	<< uint16 (spell->casting_time)	1270	<< uint16 (spell->casting_time)
1552	<< uint16 (spell->last_sp)	1271	<< uint16 (spell->cached_sp)
1553	<< uint16 (spell->last_grace)	1272	<< uint16 (spell->cached_grace)
1554	<< uint16 (spell->last_eat)	1273	<< uint16 (spell->cached_eat)
1555	<< uint8 (skill)	1274	<< uint8 (skill)
1556	<< uint32 (spell->path_attuned)	1275	<< uint32 (spell->path_attuned)
1557	<< uint32 (spell->face)	1276	<< uint32 (spell->face)
1558	<< data8 (spell->name)	1277	<< data8 (spell->name)
1559	<< data16 (spell->msg);	1278	<< data16 (spell->msg);
…		…
1587	* bytes and 3 strings (because that is the spec) so we need to	1306	* bytes and 3 strings (because that is the spec) so we need to
1588	* check that the length of those 3 strings, plus the 23 bytes,	1307	* check that the length of those 3 strings, plus the 23 bytes,
1589	* won't take us over the length limit for the socket, if it does,	1308	* won't take us over the length limit for the socket, if it does,
1590	* we need to send what we already have, and restart packet formation	1309	* we need to send what we already have, and restart packet formation
1591	*/	1310	*/
		1311	if (spell->type != SPELL)
		1312	continue;
		1313
1592	/* Seeing crashes by overflowed buffers. Quick arithemetic seems	1314	/* Seeing crashes by overflowed buffers. Quick arithemetic seems
1593	* to show add_spell is 26 bytes + 2 strings. However, the overun	1315	* to show add_spell is 26 bytes + 2 strings. However, the overun
1594	* is hundreds of bytes off, so correcting 22 vs 26 doesn't seem	1316	* is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1595	* like it will fix this	1317	* like it will fix this
1596	*/	1318	*/
1597	if (spell->type != SPELL)
1598	continue;
1599
1600	if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))	1319	if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1601	{	1320	{
		1321	pl->ns->flush_fx ();
1602	pl->ns->send_packet (sl);	1322	pl->ns->send_packet (sl);
1603		1323
1604	sl.reset ();	1324	sl.reset ();
1605	sl << "addspell ";	1325	sl << "addspell ";
1606	}	1326	}
…		…
1614	return;	1334	return;
1615	}	1335	}
1616	else	1336	else
1617	append_spell (pl, sl, spell);	1337	append_spell (pl, sl, spell);
1618		1338
1619	if (sl.length () >= MAXSOCKBUF)	1339	if (sl.length () > MAXSOCKBUF)
1620	{
1621	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");	1340	cleanup ("buffer overflow in esrv_add_spells!");
1622	fatal (0);
1623	}
1624		1341
1625	/* finally, we can send the packet */	1342	/* finally, we can send the packet */
		1343	pl->ns->flush_fx ();
1626	pl->ns->send_packet (sl);	1344	pl->ns->send_packet (sl);
1627	}	1345	}
1628		1346
		1347	//-GPL
		1348

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