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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.80 by root, Fri Mar 16 02:51:08 2007 UTC vs.
Revision 1.192 by root, Wed Nov 21 13:22:34 2012 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel	5	* Copyright (©) 2001 Mark Wedel
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	17	*
22	* The author can be reached via e-mail to <crossfire@schmorp.de>	18	* You should have received a copy of the Affero GNU General Public License
		19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
23	*/	21	*
		22	* The authors can be reached via e-mail to <support@deliantra.net>
		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->ob;	190	object *ob = pl->viewpoint;
151	char buf[MAX_BUF]; /* eauugggh */
152		191
153	if (socket.force_newmap && 0)	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;
154	{	197	}
155	// force newmap is used for clients that do not redraw their map	198
156	// after image uploads.	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	{
157	socket.current_map = ob->map;	209	socket.current_map = ob->map;
158	clear_map (pl);	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	}
159	}	217	}
160	else if (socket.current_map != ob->map)	218
		219	if (socket.current_map != ob->map || socket.force_newmap)
161	{	220	{
162	clear_map (pl);	221	clear_map (pl);
163	socket.current_map = ob->map;	222	socket.current_map = ob->map;
164		223	send_map_info (pl);
165	if (socket.mapinfocmd)
166	{
167	if (ob->map && ob->map->path[0])
168	{
169	int flags = 0;
170
171	if (ob->map->tile_path[0])
172	flags |= 1;
173	if (ob->map->tile_path[1])
174	flags |= 2;
175	if (ob->map->tile_path[2])
176	flags |= 4;
177	if (ob->map->tile_path[3])
178	flags |= 8;
179
180	snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s",
181	flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path);
182	}
183	else
184	snprintf (buf, MAX_BUF, "mapinfo current");
185
186	socket.send_packet (buf);
187	}
188	}	224	}
189	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)
190	{	226	{
191	int dx = ob->x - socket.current_x;	227	int dx = ob->x - socket.current_x;
192	int dy = ob->y - socket.current_y;	228	int dy = ob->y - socket.current_y;
193		229
194	if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
195	clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
196	else
197	{
198	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);
199	socket.floorbox_reset ();	231	socket.floorbox_reset ();
200	}
201	}	232	}
202		233
203	socket.current_x = ob->x;	234	socket.current_x = ob->x;
204	socket.current_y = ob->y;	235	socket.current_y = ob->y;
		236	}
205		237
206	region *reg = ob->region ();	238	/**
207	if (socket.current_region != reg)	239	* This sends the skill number to name mapping. We ignore
208	{	240	* the params - we always send the same info no matter what.
209	socket.current_region = reg;	241	*/
210	socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);	242	static void
211	}	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);
212	}	275	}
213		276
214	/**	277	/**
215	* RequestInfo is sort of a meta command. There is some specific	278	* RequestInfo is sort of a meta command. There is some specific
216	* request of information, but we call other functions to provide	279	* request of information, but we call other functions to provide
217	* that information.	280	* that information.
		281	* requestinfo is completely deprecated, use resource exti request
		282	* and the fxix or http protocols.
218	*/	283	*/
219	void	284	void
220	RequestInfo (char *buf, int len, client * ns)	285	RequestInfo (char *buf, int len, client *ns)
221	{	286	{
222	char *params = NULL, *cp;	287	char *params;
223
224	/* No match */
225	char bigbuf[MAX_BUF];
226	int slen;
227
228	/* Set up replyinfo before we modify any of the buffers - this is used
229	* if we don't find a match.
230	*/
231	strcpy (bigbuf, "replyinfo ");
232	slen = strlen (bigbuf);
233	safe_strcat (bigbuf, buf, &slen, MAX_BUF);
234		288
235	/* find the first space, make it null, and update the	289	/* find the first space, make it null, and update the
236	* params pointer.	290	* params pointer.
237	*/	291	*/
238	for (cp = buf; *cp != '\0'; cp++)	292	for (params = buf; *params; params++)
239	if (*cp == ' ')	293	if (*params == ' ')
240	{	294	{
241	*cp = '\0';
242	params = cp + 1;	295	*params++ = 0;
243	break;	296	break;
244	}	297	}
245		298
246	if (!strcmp (buf, "image_info"))
247	send_image_info (ns, params);
248	else if (!strcmp (buf, "image_sums"))
249	send_image_sums (ns, params);
250	else if (!strcmp (buf, "skill_info"))	299	if (!strcmp (buf, "skill_info"))
251	send_skill_info (ns, params);	300	send_skill_info (ns, params);
252	else if (!strcmp (buf, "spell_paths"))	301	else if (!strcmp (buf, "spell_paths"))
253	send_spell_paths (ns, params);	302	send_spell_paths (ns, params);
254	else	303	else
255	ns->send_packet (bigbuf, len);	304	{
		305	// undo tokenisation above and send replyinfo with the request unchanged
		306	if (*params)
		307	*--params = ' ';
		308
		309	ns->send_packet_printf ("replyinfo %s", buf);
		310	}
256	}	311	}
257		312
258	void	313	void
259	ExtCmd (char *buf, int len, player *pl)	314	ExtCmd (char *buf, int len, player *pl)
260	{	315	{
…		…
263		318
264	void	319	void
265	ExtiCmd (char *buf, int len, client *ns)	320	ExtiCmd (char *buf, int len, client *ns)
266	{	321	{
267	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));	322	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
		323	}
		324
		325	//-GPL
		326
		327	void
		328	client::mapinfo_queue_clear ()
		329	{
		330	for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
		331	free (*i);
		332
		333	mapinfo_queue.clear ();
		334	}
		335
		336	bool
		337	client::mapinfo_try (char *buf)
		338	{
		339	char *token = buf;
		340	buf += strlen (buf) + 9;
		341
		342	// initial map and its origin
		343	maptile *map = pl->viewpoint->map;
		344	int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
		345	int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
		346	int max_distance = 8; // limit maximum path length to something generous
		347
		348	while (*buf && map && max_distance)
		349	{
		350	int dir = *buf++ - '1';
		351
		352	// due to historical glitches, the mapinfo index and tile index differs
		353	static unsigned char dirmap [] = { TILE_NORTH, TILE_EAST, TILE_SOUTH, TILE_WEST, TILE_UP, TILE_DOWN };
		354
		355	// maybe we should only allow the four flat directions
		356	if (IN_RANGE_EXC (dir, 0, array_length (dirmap)))
		357	{
		358	dir = dirmap [dir];
		359
		360	if (!map->tile_path [dir])
		361	map = 0;
		362	else if (map->tile_available (dir, false))
		363	{
		364	maptile *neigh = map->tile_map [dir];
		365
		366	switch (dir)
		367	{
		368	case 0: mapy -= neigh->height; break;
		369	case 2: mapy += map ->height; break;
		370	case 3: mapx -= neigh->width ; break;
		371	case 1: mapx += map ->width ; break;
		372	}
		373
		374	map = neigh;
		375	--max_distance;
		376	}
		377	else
		378	return 0;
		379	}
		380	else
		381	max_distance = 0;
		382	}
		383
		384	if (!max_distance)
		385	send_packet_printf ("mapinfo %s error", token);
		386	else if (!map || !map->path)
		387	send_packet_printf ("mapinfo %s nomap", token);
		388	else
		389	{
		390	int flags = 0;
		391
		392	// due to historical glitches, the bit ordering and map index ordering differs
		393	if (map->tile_path [TILE_NORTH]) flags |= 0x01;
		394	if (map->tile_path [TILE_EAST ]) flags |= 0x02;
		395	if (map->tile_path [TILE_SOUTH]) flags |= 0x04;
		396	if (map->tile_path [TILE_WEST ]) flags |= 0x08;
		397	// these two are debatable
		398	if (map->tile_path [TILE_UP ]) flags |= 0x10;
		399	if (map->tile_path [TILE_DOWN ]) flags |= 0x20;
		400
		401	send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
		402	}
		403
		404	return 1;
		405	}
		406
		407	void
		408	client::mapinfo_queue_run ()
		409	{
		410	if (mapinfo_queue.empty () || !pl)
		411	return;
		412
		413	for (int i = 0; i < mapinfo_queue.size (); ++i)
		414	if (mapinfo_try (mapinfo_queue [i]))
		415	{
		416	free (mapinfo_queue [i]);
		417	mapinfo_queue.erase (i);
		418	}
		419	else
		420	++i;
268	}	421	}
269		422
270	void	423	void
271	MapInfoCmd (char *buf, int len, player *pl)	424	MapInfoCmd (char *buf, int len, player *pl)
272	{	425	{
273	// <mapinfo tag spatial tile-path	426	// <mapinfo tag spatial tile-path
274	// >mapinfo tag spatial flags x y w h hash	427	// >mapinfo tag spatial flags x y w h hash
275		428
276	char bigbuf[MAX_BUF], *token;
277
278	token = buf;	429	char *token = buf;
279	// copy token	430
280	if (!(buf = strchr (buf, ' ')))	431	if (!(buf = strchr (buf, ' ')))
281	return;	432	return;
282		433
283	*buf++ = 0;
284
285	if (!strncmp (buf, "spatial ", 8))	434	if (!strncmp (buf, " spatial ", 9))
286	{	435	{
287	buf += 8;	436	char *copy = strdup (token);
		437	copy [buf - token] = 0;
288		438
289	// initial map and its origin	439	#if 0
290	maptile *map = pl->ob->map;	440	// this makes only sense when we flush the buffer immediately
291	sint16 dx, dy;	441	if (pl->ns->mapinfo_try (copy))
292	int mapx = pl->ns->mapx / 2 - pl->ob->x;	442	free (copy);
293	int mapy = pl->ns->mapy / 2 - pl->ob->y;
294	int max_distance = 8; // limit maximum path length to something generous
295
296	while (*buf && map && max_distance)
297	{
298	int dir = *buf++;
299
300	switch (dir)
301	{
302	case '1':
303	dx = 0;
304	dy = -1;
305	map = map->xy_find (dx, dy);
306	map && (mapy -= map->height);
307	break;
308	case '2':
309	mapx += map->width;
310	dx = map->width;
311	dy = 0;
312	map = map->xy_find (dx, dy);
313	break;
314	case '3':
315	mapy += map->height;
316	dx = 0;
317	dy = map->height;
318	map = map->xy_find (dx, dy);
319	break;
320	case '4':
321	dx = -1;
322	dy = 0;
323	map = map->xy_find (dx, dy);
324	map && (mapx -= map->width);
325	break;
326	}
327
328	--max_distance;
329	}
330
331	if (!max_distance)
332	snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
333	else if (map && map->path[0])
334	{
335	int flags = 0;
336
337	if (map->tile_path[0])
338	flags |= 1;
339	if (map->tile_path[1])
340	flags |= 2;
341	if (map->tile_path[2])
342	flags |= 4;
343	if (map->tile_path[3])
344	flags |= 8;
345
346	snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
347	}
348	else	443	else
349	snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);	444	#endif
		445	pl->ns->mapinfo_queue.push_back (copy);
350	}	446	}
351	else	447	else
352	snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);	448	pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
353
354	pl->ns->send_packet (bigbuf);
355	}	449	}
356		450
357	/** This is the Setup cmd - easy first implementation */	451	/** This is the Setup cmd */
358	void	452	void
359	SetUp (char *buf, int len, client * ns)	453	SetUp (char *buf, int len, client * ns)
360	{	454	{
361	int s, slen;	455	INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
362	char *cmd, *param, cmdback[HUGE_BUF];
363
364	/* run through the cmds of setup
365	* syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
366	*
367	* we send the status of the cmd back, or a FALSE is the cmd is the server unknown
368	* The client then must sort this out
369	*/
370
371	//LOG (llevInfo, "Get SetupCmd:: %s\n", buf);
372
373	strcpy (cmdback, "setup");
374	for (s = 0; s < len; )
375	{
376	cmd = &buf[s];
377
378	/* find the next space, and put a null there */
379	for (; buf[s] && buf[s] != ' '; s++)
380	;
381
382	buf[s++] = 0;
383
384	while (buf[s] == ' ')
385	s++;
386
387	if (s >= len)
388	break;
389
390	param = &buf[s];
391
392	for (; buf[s] && buf[s] != ' '; s++)
393	;
394
395	buf[s++] = 0;
396
397	while (buf[s] == ' ')
398	s++;
399
400	slen = strlen (cmdback);
401	safe_strcat (cmdback, " ", &slen, HUGE_BUF);
402	safe_strcat (cmdback, cmd, &slen, HUGE_BUF);
403	safe_strcat (cmdback, " ", &slen, HUGE_BUF);
404
405	if (!strcmp (cmd, "sound"))
406	{
407	ns->sound = atoi (param);
408	safe_strcat (cmdback, param, &slen, HUGE_BUF);
409	}
410	else if (!strcmp (cmd, "exp64"))
411	safe_strcat (cmdback, param, &slen, HUGE_BUF);
412	else if (!strcmp (cmd, "spellmon"))
413	{
414	ns->monitor_spells = atoi (param);
415	safe_strcat (cmdback, param, &slen, HUGE_BUF);
416	}
417	else if (!strcmp (cmd, "darkness"))
418	{
419	ns->darkness = atoi (param);
420	safe_strcat (cmdback, param, &slen, HUGE_BUF);
421	}
422	else if (!strcmp (cmd, "map1cmd"))
423	{
424	if (atoi (param))
425	ns->mapmode = Map1Cmd;
426	/* if beyond this size, need to use map1cmd no matter what */
427	if (ns->mapx > 11 || ns->mapy > 11)
428	ns->mapmode = Map1Cmd;
429	safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF);
430	}
431	else if (!strcmp (cmd, "map1acmd"))
432	{
433	if (atoi (param))
434	ns->mapmode = Map1aCmd;
435	/* if beyond this size, need to use map1acmd no matter what */
436	if (ns->mapx > 11 || ns->mapy > 11)
437	ns->mapmode = Map1aCmd;
438	safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF);
439	}
440	else if (!strcmp (cmd, "newmapcmd"))
441	{
442	ns->newmapcmd = atoi (param);
443	safe_strcat (cmdback, param, &slen, HUGE_BUF);
444	}
445	else if (!strcmp (cmd, "mapinfocmd"))
446	{
447	ns->mapinfocmd = atoi (param);
448	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
449	}
450	else if (!strcmp (cmd, "extcmd"))
451	{
452	ns->extcmd = atoi (param);
453	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
454	}
455	else if (!strcmp (cmd, "extmap"))
456	{
457	ns->extmap = atoi (param);
458	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
459	}
460	else if (!strcmp (cmd, "facecache"))
461	{
462	ns->facecache = atoi (param);
463	safe_strcat (cmdback, param, &slen, HUGE_BUF);
464	}
465	else if (!strcmp (cmd, "faceset"))
466	{
467	char tmpbuf[20];
468	int q = atoi (param);
469
470	if (is_valid_faceset (q))
471	ns->faceset = q;
472
473	sprintf (tmpbuf, "%d", ns->faceset);
474	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
475	/* if the client is using faceset, it knows about image2 command */
476	ns->image2 = 1;
477	}
478	else if (!strcmp (cmd, "itemcmd"))
479	{
480	/* Version of the item protocol command to use. Currently,
481	* only supported versions are 1 and 2. Using a numeric
482	* value will make it very easy to extend this in the future.
483	*/
484	char tmpbuf[20];
485	int q = atoi (param);
486
487	if (q < 1 || q > 2)
488	{
489	strcpy (tmpbuf, "FALSE");
490	}
491	else
492	{
493	ns->itemcmd = q;
494	sprintf (tmpbuf, "%d", ns->itemcmd);
495	}
496	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
497	}
498	else if (!strcmp (cmd, "mapsize"))
499	{
500	int x, y = 0;
501	char tmpbuf[MAX_BUF], *cp;
502
503	x = atoi (param);
504	for (cp = param; *cp != 0; cp++)
505	if (*cp == 'x' || *cp == 'X')
506	{
507	y = atoi (cp + 1);
508	break;
509	}
510
511	if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y)
512	{
513	sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
514	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
515	}
516	else
517	{
518	ns->mapx = x;
519	ns->mapy = y;
520	/* better to send back what we are really using and not the
521	* param as given to us in case it gets parsed differently.
522	*/
523	sprintf (tmpbuf, "%dx%d", x, y);
524	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
525	/* If beyond this size and still using orig map command, need to
526	* go to map1cmd.
527	*/
528	if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd)
529	ns->mapmode = Map1Cmd;
530	}
531	}
532	else if (!strcmp (cmd, "extendedMapInfos"))
533	{
534	/* Added by tchize
535	* prepare to use the mapextended command
536	*/
537	char tmpbuf[20];
538
539	ns->ext_mapinfos = (atoi (param));
540	sprintf (tmpbuf, "%d", ns->ext_mapinfos);
541	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
542	}
543	else if (!strcmp (cmd, "extendedTextInfos"))
544	{
545	/* Added by tchize
546	* prepare to use the extended text commands
547	* Client toggle this to non zero to get exttext
548	*/
549	char tmpbuf[20];
550
551	ns->has_readable_type = (atoi (param));
552	sprintf (tmpbuf, "%d", ns->has_readable_type);
553	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
554	}
555	else
556	{
557	/* Didn't get a setup command we understood -
558	* report a failure to the client.
559	*/
560	safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF);
561	}
562	} /* for processing all the setup commands */
563
564	LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback);
565	ns->send_packet (cmdback);
566	}	456	}
567		457
568	/**	458	/**
569	* The client has requested to be added to the game.	459	* The client has requested to be added to the game.
570	* This is what takes care of it. We tell the client how things worked out.	460	* This is what takes care of it. We tell the client how things worked out.
…		…
572	* it either has to be here or init_sockets needs to be exported.	462	* it either has to be here or init_sockets needs to be exported.
573	*/	463	*/
574	void	464	void
575	AddMeCmd (char *buf, int len, client *ns)	465	AddMeCmd (char *buf, int len, client *ns)
576	{	466	{
577	// face caching is mandatory
578	if (!ns->facecache)
579	{
580	ns->send_drawinfo (
581	"\n"
582	"\n"
583	"***\n"
584	"*** WARNING:\n"
585	"*** Your client does not support face/image caching,\n"
586	"*** or it has been disabled. Face caching is mandatory\n"
587	"*** so please enable it or use a newer client.\n"
588	"***\n"
589	"*** Look at your client preferences:\n"
590	"***\n"
591	"*** CFPlus: all known versions automatically enable the facecache.\n"
592	"*** cfclient: use the -cache commandline option.\n"
593	"*** cfclient: map will not redraw automatically (bug).\n"
594	"*** gcfclient: use -cache commandline option, or enable\n"
595	"*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.\n"
596	"*** jcrossclient: your client is broken, use CFPlus or gcfclient.\n"
597	"***\n"
598	"***\n",
599	NDI_RED
600	);
601
602	if (strstr (ns->version, "jcrossclient"))
603	/* let them, for now*/;
604	else
605	{
606	ns->flush ();
607	//ns->destroy ();
608	}
609	//ns->facecache = true;
610	}
611
612	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));	467	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
613	}	468	}
614		469
615	/** Reply to ExtendedInfos command */	470	//+GPL
616	void
617	ToggleExtendedInfos (char *buf, int len, client * ns)
618	{
619	char cmdback[MAX_BUF];
620	char command[50];
621	int info, nextinfo;
622
623	cmdback[0] = '\0';
624	nextinfo = 0;
625
626	while (1)
627	{
628	/* 1. Extract an info */
629	info = nextinfo;
630
631	while ((info < len) && (buf[info] == ' '))
632	info++;
633
634	if (info >= len)
635	break;
636
637	nextinfo = info + 1;
638
639	while ((nextinfo < len) && (buf[nextinfo] != ' '))
640	nextinfo++;
641
642	if (nextinfo - info >= 49) /*Erroneous info asked */
643	continue;
644
645	strncpy (command, &(buf[info]), nextinfo - info);
646
647	/* 2. Interpret info */
648	if (!strcmp ("smooth", command))
649	/* Toggle smoothing */
650	ns->EMI_smooth = !ns->EMI_smooth;
651	else
652	/*bad value */;
653
654	/*3. Next info */
655	}
656
657	strcpy (cmdback, "ExtendedInfoSet");
658
659	if (ns->EMI_smooth)
660	{
661	strcat (cmdback, " ");
662	strcat (cmdback, "smoothing");
663	}
664
665	ns->send_packet (cmdback);
666	}
667
668	/*
669	#define MSG_TYPE_BOOK 1
670	#define MSG_TYPE_CARD 2
671	#define MSG_TYPE_PAPER 3
672	#define MSG_TYPE_SIGN 4
673	#define MSG_TYPE_MONUMENT 5
674	#define MSG_TYPE_SCRIPTED_DIALOG 6*/
675
676	/** Reply to ExtendedInfos command */
677	void
678	ToggleExtendedText (char *buf, int len, client * ns)
679	{
680	char cmdback[MAX_BUF];
681	char temp[10];
682	char command[50];
683	int info, nextinfo, i, flag;
684
685	cmdback[0] = '\0';
686
687	nextinfo = 0;
688	while (1)
689	{
690	/* 1. Extract an info */
691	info = nextinfo;
692
693	while ((info < len) && (buf[info] == ' '))
694	info++;
695
696	if (info >= len)
697	break;
698
699	nextinfo = info + 1;
700
701	while ((nextinfo < len) && (buf[nextinfo] != ' '))
702	nextinfo++;
703
704	if (nextinfo - info >= 49) /*Erroneous info asked */
705	continue;
706
707	strncpy (command, &(buf[info]), nextinfo - info);
708	command[nextinfo - info] = '\0';
709	/* 2. Interpret info */
710	i = sscanf (command, "%d", &flag);
711
712	if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
713	ns->supported_readables |= (1 << flag);
714	/*3. Next info */
715	}
716
717	/* Send resulting state */
718	strcpy (cmdback, "ExtendedTextSet");
719
720	for (i = 0; i <= MSG_TYPE_LAST; i++)
721	if (ns->supported_readables & (1 << i))
722	{
723	strcat (cmdback, " ");
724	snprintf (temp, sizeof (temp), "%d", i);
725	strcat (cmdback, temp);
726	}
727
728	ns->send_packet (cmdback);
729	}
730
731	/**
732	* client requested an image. send it rate-limited
733	* before flushing.
734	*/
735	void
736	AskFaceCmd (char *buf, int len, client *ns)
737	{
738	ns->askface.push_back (atoi (buf));
739	}
740
741	/**
742	* Tells client the picture it has to use
743	* to smooth a picture number given as argument.
744	*/
745	void
746	AskSmooth (char *buf, int len, client *ns)
747	{
748	ns->send_face (atoi (buf));
749	}
750		471
751	/**	472	/**
752	* 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,
753	* etc.)	474	* etc.)
754	*/	475	*/
…		…
767	return;	488	return;
768		489
769	buf++;	490	buf++;
770	}	491	}
771		492
772	execute_newserver_command (pl->ob, (char *) buf);	493	execute_newserver_command (pl->ob, (char *)buf);
773		494
774	/* Perhaps something better should be done with a left over count.	495	/* Perhaps something better should be done with a left over count.
775	* Cleaning up the input should probably be done first - all actions	496	* Cleaning up the input should probably be done first - all actions
776	* for the command that issued the count should be done before any other	497	* for the command that issued the count should be done before any other
777	* commands.	498	* commands.
778	*/	499	*/
779	pl->count = 0;	500	pl->count = 0;
780	}
781
782
783	/**
784	* This handles the general commands from the client (ie, north, fire, cast,
785	* etc.). It is a lot like PlayerCmd above, but is called with the
786	* 'ncom' method which gives more information back to the client so it
787	* can throttle.
788	*/
789	void
790	NewPlayerCmd (char *buf, int len, player *pl)
791	{
792	if (len <= 6)
793	{
794	LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf);
795	return;
796	}
797
798	uint16 cmdid = net_uint16 ((uint8 *)buf);
799	sint32 repeat = net_sint32 ((uint8 *)buf + 2);
800
801	/* -1 is special - no repeat, but don't update */
802	if (repeat != -1)
803	pl->count = repeat;
804
805	buf += 6; //len -= 6;
806
807	execute_newserver_command (pl->ob, buf);
808
809	/* Perhaps something better should be done with a left over count.
810	* Cleaning up the input should probably be done first - all actions
811	* for the command that issued the count should be done before any other
812	* commands.
813	*/
814	pl->count = 0;
815
816	//TODO: schmorp thinks whatever this calculates, it makes no sense at all
817	int time = fabs (pl->ob->speed) < 0.001
818	? time = MAX_TIME * 100
819	: time = (int) (MAX_TIME / fabs (pl->ob->speed));
820
821	/* Send confirmation of command execution now */
822	packet sl ("comc");
823	sl << uint16 (cmdid) << uint32 (time);
824	pl->ns->send_packet (sl);
825	}	501	}
826		502
827	/** This is a reply to a previous query. */	503	/** This is a reply to a previous query. */
828	void	504	void
829	ReplyCmd (char *buf, int len, client *ns)	505	ReplyCmd (char *buf, int len, client *ns)
…		…
856	{	532	{
857	case ST_PLAYING:	533	case ST_PLAYING:
858	LOG (llevError, "Got reply message with ST_PLAYING input state\n");	534	LOG (llevError, "Got reply message with ST_PLAYING input state\n");
859	break;	535	break;
860		536
861	case ST_CHANGE_CLASS:
862	key_change_class (pl->ob, buf[0]);
863	break;
864
865	case ST_GET_PARTY_PASSWORD: /* Get password for party */	537	case ST_GET_PARTY_PASSWORD: /* Get password for party */
866	receive_party_password (pl->ob, 13);	538	receive_party_password (pl->ob, 13);
867	break;	539	break;
868		540
869	default:	541	default:
870	LOG (llevError, "Unknown input state: %d\n", ns->state);	542	LOG (llevError, "Unknown input state: %d\n", ns->state);
871	}	543	}
872	}	544	}
873		545
874	/**	546	/**
875	* Client tells its version. If there is a mismatch, we close the	547	* Client tells its version info.
876	* socket. In real life, all we should care about is the client having
877	* something older than the server. If we assume the client will be
878	* backwards compatible, having it be a later version should not be a
879	* problem.
880	*/	548	*/
881	void	549	void
882	VersionCmd (char *buf, int len, client * ns)	550	VersionCmd (char *buf, int len, client *ns)
883	{	551	{
884	if (!buf)	552	INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
885	{
886	LOG (llevError, "CS: received corrupted version command\n");
887	return;
888	}
889
890	ns->cs_version = atoi (buf);
891	ns->sc_version = ns->cs_version;
892
893	LOG (llevDebug, "connection from client <%s>\n", buf);
894
895	//TODO: should log here just for statistics
896
897	//if (VERSION_CS != ns->cs_version)
898	// unchecked;
899
900	char *cp = strchr (buf + 1, ' ');
901	if (!cp)
902	return;
903
904	ns->sc_version = atoi (cp);
905
906	//if (VERSION_SC != ns->sc_version)
907	// unchecked;
908
909	cp = strchr (cp + 1, ' ');
910
911	if (cp)
912	{
913	assign (ns->version, cp + 1);
914
915	if (ns->sc_version < 1026)
916	ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
917	"**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
918	}
919	}	553	}
920		554
921	/** sound related functions. */	555	/** sound related functions. */
922	void	556	void
923	SetSound (char *buf, int len, client * ns)	557	SetSound (char *buf, int len, client * ns)
…		…
941	* syntax is: move (to) (tag) (nrof)	575	* syntax is: move (to) (tag) (nrof)
942	*/	576	*/
943	void	577	void
944	MoveCmd (char *buf, int len, player *pl)	578	MoveCmd (char *buf, int len, player *pl)
945	{	579	{
946	int vals[3], i;	580	int to, tag, nrof;
947		581
948	/* A little funky here. We only cycle for 2 records, because	582	if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
949	* we obviously are not going to find a space after the third
950	* record. Perhaps we should just replace this with a
951	* sscanf?
952	*/
953	for (i = 0; i < 2; i++)
954	{	583	{
955	vals[i] = atoi (buf);
956
957	if (!(buf = strchr (buf, ' ')))
958	{
959	LOG (llevError, "Incomplete move command: %s\n", buf);	584	LOG (llevError, "Incomplete move command: %s\n", buf);
960	return;	585	return;
961	}
962
963	buf++;
964	}	586	}
965		587
966	vals[2] = atoi (buf);	588	esrv_move_object (pl->ob, to, tag, nrof);
967
968	/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
969	esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
970	}	589	}
971		590
972	/******************************************************************************	591	/******************************************************************************
973	*	592	*
974	* Start of commands the server sends to the client.	593	* Start of commands the server sends to the client.
…		…
978	/**	597	/**
979	* Asks the client to query the user. This way, the client knows	598	* Asks the client to query the user. This way, the client knows
980	* it needs to send something back (vs just printing out a message)	599	* it needs to send something back (vs just printing out a message)
981	*/	600	*/
982	void	601	void
983	send_query (client *ns, uint8 flags, char *text)	602	send_query (client *ns, uint8 flags, const char *text)
984	{	603	{
985	ns->send_packet_printf ("query %d %s", flags, text ? text : "");	604	ns->send_packet_printf ("query %d %s", flags, text ? text : "");
		605	}
		606
		607	/**
		608	* Get player's current range attack in obuf.
		609	*/
		610	static void
		611	rangetostring (player *pl, char *obuf)
		612	{
		613	dynbuf_text &buf = msg_dynbuf; buf.clear ();
		614
		615	#if 0
		616	// print ranged/chosen_skill etc. objects every call
		617	printf ("%s %s => %s (%s)\n",
		618	pl->ranged_ob ? &pl->ranged_ob->name : "-",
		619	pl->combat_ob ? &pl->combat_ob->name : "-",
		620	pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
		621	pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
		622	);
		623	#endif
		624
		625	if (pl->ranged_ob)
		626	buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
		627
		628	if (pl->combat_ob)
		629	buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
		630
		631	#if 0
		632	//TODO: remove this when slot system is working, this is only for debugging
		633	if (pl->ob->chosen_skill)
		634	buf << " Skill*: " << pl->ob->chosen_skill->name;
		635	#endif
		636
		637	//TODO: maybe golem should become the current_weapon, quite simply?
		638	if (pl->golem)
		639	buf << " Golem*: " << pl->golem->name;
		640
		641	buf << '\0';
		642	buf.linearise (obuf);
986	}	643	}
987		644
988	#define AddIfInt64(Old,New,Type) if (Old != New) {\	645	#define AddIfInt64(Old,New,Type) if (Old != New) {\
989	Old = New; \	646	Old = New; \
990	sl << uint8 (Type) << uint64 (New); \	647	sl << uint8 (Type) << uint64 (New); \
…		…
998	#define AddIfShort(Old,New,Type) if (Old != New) {\	655	#define AddIfShort(Old,New,Type) if (Old != New) {\
999	Old = New; \	656	Old = New; \
1000	sl << uint8 (Type) << uint16 (New); \	657	sl << uint8 (Type) << uint16 (New); \
1001	}	658	}
1002		659
1003	#define AddIfFloat(Old,New,Type) if (Old != New) {\	660	#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
1004	Old = New; \	661	Old = New; \
1005	sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \	662	sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
1006	}	663	}
1007		664
1008	#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\	665	#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
1009	free(Old); Old = strdup (New);\	666	free(Old); Old = strdup (New);\
1010	sl << uint8 (Type) << data8 (New); \	667	sl << uint8 (Type) << data8 (New); \
…		…
1017	* commands for now.	674	* commands for now.
1018	*/	675	*/
1019	void	676	void
1020	esrv_update_stats (player *pl)	677	esrv_update_stats (player *pl)
1021	{	678	{
1022	char buf[MAX_BUF];
1023	uint16 flags;
1024
1025	client *ns = pl->ns;	679	client *ns = pl->ns;
1026	if (!ns)	680	if (!ns)
1027	return;	681	return;
1028		682
1029	object *ob = pl->ob;	683	object *ob = pl->observe;
1030	if (!ob)	684	if (!ob)
1031	return;	685	return;
		686
		687	player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
1032		688
1033	packet sl ("stats");	689	packet sl ("stats");
1034		690
1035	AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);	691	AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1036	AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);	692	AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
…		…
1044	AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);	700	AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
1045	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);	701	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
1046	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);	702	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
1047	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);	703	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1048		704
1049	for (int s = 0; s < NUM_SKILLS; s++)	705	for (int s = 0; s < CS_NUM_SKILLS; s++)
1050	if (object *skill = pl->last_skill_ob[s])	706	if (object *skill = opl->last_skill_ob [s])
1051	if (skill->stats.exp != ns->last_skill_exp [s])	707	if (skill->stats.exp != ns->last_skill_exp [s])
1052	{	708	{
1053	ns->last_skill_exp [s] = skill->stats.exp;	709	ns->last_skill_exp [s] = skill->stats.exp;
1054		710
1055	/* Always send along the level if exp changes. This is only	711	/* Always send along the level if exp changes. This is only
1056	* 1 extra byte, but keeps processing simpler.	712	* 1 extra byte, but keeps processing simpler.
1057	*/	713	*/
1058	sl << uint8 (s + CS_STAT_SKILLINFO)	714	sl << uint8 (CS_STAT_SKILLINFO + s)
1059	<< uint8 (skill->level)	715	<< uint8 (skill->level)
1060	<< uint64 (skill->stats.exp);	716	<< uint64 (skill->stats.exp);
1061	}	717	}
1062		718
1063	AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);	719	AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1064	AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);	720	AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1065	AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);	721	AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1066	AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);	722	AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1067	AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);	723	AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1068	AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED);	724	AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
1069	AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);	725	AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1070	AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);	726	AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
1071	AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);	727	AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
1072		728
1073	flags = 0;	729	int flags = (opl->fire_on ? SF_FIREON : 0)
1074		730	| (opl->run_on ? SF_RUNON : 0);
1075	if (pl->fire_on)
1076	flags |= SF_FIREON;
1077
1078	if (pl->run_on)
1079	flags |= SF_RUNON;
1080		731
1081	AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);	732	AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1082		733
1083	if (ns->sc_version < 1025)
1084	{ AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1085	else
1086	for (int i = 0; i < NROFATTACKS; i++)	734	for (int i = 0; i < NROFATTACKS; i++)
1087	{
1088	/* Skip ones we won't send */	735	/* Skip ones we won't send */
1089	if (atnr_cs_stat[i] == -1)	736	if (atnr_cs_stat[i] >= 0)
1090	continue;
1091
1092	AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);	737	AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1093	}
1094		738
1095	if (pl->ns->monitor_spells)	739	if (pl->ns->monitor_spells)
1096	{	740	{
1097	AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);	741	AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1098	AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);	742	AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1099	AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);	743	AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1100	}	744	}
1101		745
		746	char buf[MAX_BUF];
1102	rangetostring (ob, buf); /* we want use the new fire & run system in new client */	747	rangetostring (opl, buf); /* we want use the new fire & run system in new client */
1103	AddIfString (ns->stats.range, buf, CS_STAT_RANGE);	748	AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1104	set_title (ob, buf);	749	set_title (ob, buf);
1105	AddIfString (ns->stats.title, buf, CS_STAT_TITLE);	750	AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1106		751
1107	/* Only send it away if we have some actual data */	752	/* Only send it away if we have some actual data */
…		…
1111		756
1112	/**	757	/**
1113	* Tells the client that here is a player it should start using.	758	* Tells the client that here is a player it should start using.
1114	*/	759	*/
1115	void	760	void
1116	esrv_new_player (player *pl, uint32 weight)	761	esrv_new_player (player *pl)
1117	{	762	{
		763	sint32 weight = pl->ob->client_weight ();
		764
1118	packet sl ("player");	765	packet sl ("player");
1119		766
1120	sl << uint32 (pl->ob->count)	767	sl << uint32 (pl->ob->count)
1121	<< uint32 (weight)	768	<< uint32 (weight)
1122	<< uint32 (pl->ob->face)	769	<< uint32 (pl->ob->face)
1123	<< data8 (pl->ob->name);	770	<< data8 (pl->ob->name);
1124		771
1125	pl->ns->last_weight = weight;	772	pl->ns->last_weight = weight;
1126	pl->ns->send_packet (sl);	773	pl->ns->send_packet (sl);
1127	SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1128	}	774	}
1129		775
1130	/******************************************************************************	776	/******************************************************************************
1131	*	777	*
1132	* Start of map related commands.	778	* Start of map related commands.
…		…
1189		835
1190	if (!ns.faces_sent[face_num])	836	if (!ns.faces_sent[face_num])
1191	if (ob)	837	if (ob)
1192	ns.send_faces (ob);	838	ns.send_faces (ob);
1193	else	839	else
1194	ns.send_face (face_num);	840	ns.send_face (face_num, 10);
1195		841
1196	sl << uint16 (face_num);	842	sl << uint16 (face_num);
1197	return 1;	843	return 1;
1198	}	844	}
1199		845
1200	/* Nothing changed */	846	/* Nothing changed */
1201	return 0;	847	return 0;
1202	}	848	}
1203		849
1204	/**	850	/**
1205	* Returns the size of a data for a map square as returned by	851	* Draws client map.
1206	* mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
1207	* available.
1208	*/	852	*/
1209	int
1210	getExtendedMapInfoSize (client * ns)
1211	{
1212	int result = 0;
1213
1214	if (ns->ext_mapinfos)
1215	{
1216	if (ns->EMI_smooth)
1217	result += 1; /*One byte for smoothlevel */
1218	}
1219
1220	return result;
1221	}
1222
1223	// prefetch (and touch) all maps within a specific distancd
1224	static void
1225	prefetch_surrounding_maps (maptile *map, int distance)
1226	{
1227	map->last_access = runtime;
1228
1229	if (--distance)
1230	for (int dir = 4; --dir; )
1231	if (const shstr &path = map->tile_path [dir])
1232	if (maptile *&neigh = map->tile_map [dir])
1233	prefetch_surrounding_maps (neigh, distance);
1234	else
1235	neigh = maptile::find_async (path, map);
1236	}
1237
1238	// prefetch a generous area around the player
1239	static void
1240	prefetch_surrounding_maps (object *op)
1241	{
1242	prefetch_surrounding_maps (op->map, 3);
1243	}
1244
1245	/**
1246	* This function uses the new map1 protocol command to send the map
1247	* to the client. It is necessary because the old map command supports
1248	* a maximum map size of 15x15.
1249	* This function is much simpler than the old one. This is because
1250	* the old function optimized to send as few face identifiers as possible,
1251	* at the expense of sending more coordinate location (coordinates were
1252	* only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1253	* we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1254	* maps no sense. Instead, we actually really only use 12 bits for coordinates,
1255	* and use the other 4 bits for other informatiion. For full documentation
1256	* of what we send, see the doc/Protocol file.
1257	* I will describe internally what we do:
1258	* the ns->lastmap shows how the map last looked when sent to the client.
1259	* in the lastmap structure, there is a cells array, which is set to the
1260	* maximum viewable size (As set in config.h).
1261	* in the cells, there are faces and a count value.
1262	* we use the count value to hold the darkness value. If -1, then this space
1263	* is not viewable.
1264	* we use faces[0] faces[1] faces[2] to hold what the three layers
1265	* look like.
1266	*/
1267	void	853	void
1268	draw_client_map1 (object *pl)	854	draw_client_map (player *pl)
1269	{	855	{
1270	int x, y, ax, ay, startlen, max_x, max_y, oldlen;	856	object *ob = pl->viewpoint;
1271	sint16 nx, ny;
1272	int estartlen, eoldlen;
1273	uint8 eentrysize;
1274	uint16 ewhatstart, ewhatflag;
1275	uint8 extendedinfos;
1276	maptile *m;
1277
1278	client &socket = *pl->contr->ns;
1279
1280	if (!pl->active)	857	if (!pl->observe->active)
1281	return;	858	return;
1282
1283	check_map_change (pl->contr);
1284	prefetch_surrounding_maps (pl);
1285
1286	packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1287	packet esl;
1288
1289	startlen = sl.length ();
1290
1291	/*Extendedmapinfo structure initialisation */
1292	if (socket.ext_mapinfos)
1293	{
1294	extendedinfos = EMI_NOREDRAW;
1295
1296	if (socket.EMI_smooth)
1297	extendedinfos |= EMI_SMOOTH;
1298
1299	ewhatstart = esl.length ();
1300	ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1301	could need to be taken away */
1302	eentrysize = getExtendedMapInfoSize (&socket);
1303	esl << "mapextended "
1304	<< uint8 (extendedinfos)
1305	<< uint8 (eentrysize);
1306
1307	estartlen = esl.length ();
1308	}
1309
1310	/* x,y are the real map locations. ax, ay are viewport relative
1311	* locations.
1312	*/
1313	ay = 0;
1314
1315	/* We could do this logic as conditionals in the if statement,
1316	* but that started to get a bit messy to look at.
1317	*/
1318	max_x = pl->x + (socket.mapx + 1) / 2;
1319	max_y = pl->y + (socket.mapy + 1) / 2;
1320
1321	maptile *plmap = pl->map;
1322
1323	for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1324	{
1325	ax = 0;
1326	for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1327	{
1328	int emask, mask;
1329	emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1330
1331	MapCell &lastcell = socket.lastmap.cells[ax][ay];
1332
1333	/* If the coordinates are not valid, or it is too dark to see,
1334	* we tell the client as such
1335	*/
1336	nx = x;
1337	ny = y;
1338	m = get_map_from_coord (plmap, &nx, &ny);
1339
1340	if (!m)
1341	{
1342	/* space is out of map. Update space and clear values
1343	* if this hasn't already been done. If the space is out
1344	* of the map, it shouldn't have a head
1345	*/
1346	if (lastcell.count != -1)
1347	{
1348	sl << uint16 (mask);
1349	map_clearcell (&lastcell, -1);
1350	}
1351
1352	continue;
1353	}
1354
1355	m->touch ();
1356
1357	int d = pl->contr->blocked_los[ax][ay];
1358
1359	if (d > 3)
1360	{
1361
1362	int need_send = 0, count;
1363
1364	/* This block deals with spaces that are not visible for whatever
1365	* reason. Still may need to send the head for this space.
1366	*/
1367
1368	oldlen = sl.length ();
1369
1370	sl << uint16 (mask);
1371
1372	if (lastcell.count != -1)
1373	need_send = 1;
1374
1375	count = -1;
1376
1377	/* properly clear a previously sent big face */
1378	if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1379	|| lastcell.stat_hp || lastcell.flags || lastcell.player)
1380	need_send = 1;
1381
1382	map_clearcell (&lastcell, count);
1383
1384	if ((mask & 0xf) || need_send)
1385	sl[oldlen + 1] = mask & 0xff;
1386	else
1387	sl.reset (oldlen);
1388	}
1389	else
1390	{
1391	/* In this block, the space is visible.
1392	*/
1393
1394	/* Rather than try to figure out what everything that we might
1395	* need to send is, then form the packet after that,
1396	* we presume that we will in fact form a packet, and update
1397	* the bits by what we do actually send. If we send nothing,
1398	* we just back out sl.length () to the old value, and no harm
1399	* is done.
1400	* I think this is simpler than doing a bunch of checks to see
1401	* what if anything we need to send, setting the bits, then
1402	* doing those checks again to add the real data.
1403	*/
1404	oldlen = sl.length ();
1405	eoldlen = esl.length ();
1406
1407	sl << uint16 (mask);
1408
1409	unsigned char dummy;
1410	unsigned char *last_ext = &dummy;
1411
1412	/* Darkness changed */
1413	if (lastcell.count != d && socket.darkness)
1414	{
1415	mask |= 0x8;
1416
1417	if (socket.extmap)
1418	{
1419	*last_ext |= 0x80;
1420	last_ext = &sl[sl.length ()];
1421	sl << uint8 (d);
1422	}
1423	else
1424	sl << uint8 (255 - 64 * d);
1425	}
1426
1427	lastcell.count = d;
1428
1429	mapspace &ms = m->at (nx, ny);
1430
1431	if (socket.extmap)
1432	{
1433	uint8 stat_hp = 0;
1434	uint8 stat_width = 0;
1435	uint8 flags = 0;
1436	UUID player = 0;
1437
1438	// send hp information, if applicable
1439	if (object *op = ms.faces_obj [0])
1440	{
1441	if (op->head || op->invisible)
1442	; // do not show
1443	else if (op->type == PLAYER
1444	|| QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1445	{
1446	if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1447	{
1448	stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1449	stat_width = op->arch->tail_x;
1450	}
1451	}
1452
1453	if (op->msg && op->msg[0] == '@')
1454	flags |= 1;
1455
1456	if (op->type == PLAYER && op != pl)
1457	player = op->count;
1458	}
1459
1460	if (lastcell.stat_hp != stat_hp)
1461	{
1462	lastcell.stat_hp = stat_hp;
1463
1464	mask |= 0x8;
1465	*last_ext |= 0x80;
1466	last_ext = &sl[sl.length ()];
1467
1468	sl << uint8 (5) << uint8 (stat_hp);
1469
1470	if (stat_width > 1)
1471	{
1472	*last_ext |= 0x80;
1473	last_ext = &sl[sl.length ()];
1474
1475	sl << uint8 (6) << uint8 (stat_width);
1476	}
1477	}
1478
1479	if (lastcell.player != player)
1480	{
1481	lastcell.player = player;
1482
1483	mask |= 0x8;
1484	*last_ext |= 0x80;
1485	last_ext = &sl[sl.length ()];
1486
1487	sl << uint8 (0x47) << uint8 (8) << (uint64)player;
1488	}
1489
1490	if (lastcell.flags != flags)
1491	{
1492	lastcell.flags = flags;
1493
1494	mask |= 0x8;
1495	*last_ext |= 0x80;
1496	last_ext = &sl[sl.length ()];
1497
1498	sl << uint8 (8) << uint8 (flags);
1499	}
1500	}
1501
1502	/* Floor face */
1503	if (update_space (sl, socket, ms, lastcell, 2))
1504	mask |= 0x4;
1505
1506	/* Middle face */
1507	if (update_space (sl, socket, ms, lastcell, 1))
1508	mask |= 0x2;
1509
1510	if (ms.player () == pl
1511	&& (pl->invisible & (pl->invisible < 50 ? 1 : 7)))
1512	{
1513	// force player to be visible to himself if invisible
1514	if (lastcell.faces[0] != pl->face)
1515	{
1516	lastcell.faces[0] = pl->face;
1517
1518	mask |= 0x1;
1519	sl << uint16 (pl->face);
1520
1521	socket.send_faces (pl);
1522	}
1523	}
1524	/* Top face */
1525	else if (update_space (sl, socket, ms, lastcell, 0))
1526	mask |= 0x1;
1527
1528
1529	/* Check to see if we are in fact sending anything for this
1530	* space by checking the mask. If so, update the mask.
1531	* if not, reset the len to that from before adding the mask
1532	* value, so we don't send those bits.
1533	*/
1534	if (mask & 0xf)
1535	sl[oldlen + 1] = mask & 0xff;
1536	else
1537	sl.reset (oldlen);
1538
1539	if (socket.ext_mapinfos)
1540	esl << uint16 (emask);
1541
1542	if (socket.EMI_smooth)
1543	{
1544	for (int layer = 2+1; layer--; )
1545	{
1546	object *ob = ms.faces_obj [layer];
1547
1548	// If there is no object for this space, or if the face for the object
1549	// is the blank face, set the smoothlevel to zero.
1550	int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1551
1552	// We've gotten what face we want to use for the object. Now see if
1553	// if it has changed since we last sent it to the client.
1554	if (lastcell.smooth[layer] != smoothlevel)
1555	{
1556	lastcell.smooth[layer] = smoothlevel;
1557	esl << uint8 (smoothlevel);
1558	emask |= 1 << layer;
1559	}
1560	}
1561
1562	if (emask & 0xf)
1563	esl[eoldlen + 1] = emask & 0xff;
1564	else
1565	esl.reset (eoldlen);
1566	}
1567	} /* else this is a viewable space */
1568	} /* for x loop */
1569	} /* for y loop */
1570
1571	/* Verify that we in fact do need to send this */
1572	if (socket.ext_mapinfos)
1573	{
1574	if (!(sl.length () > startlen || socket.sent_scroll))
1575	{
1576	/* No map data will follow, so don't say the client
1577	* it doesn't need draw!
1578	*/
1579	ewhatflag &= ~EMI_NOREDRAW;
1580	esl[ewhatstart + 1] = ewhatflag & 0xff;
1581	}
1582
1583	if (esl.length () > estartlen)
1584	socket.send_packet (esl);
1585	}
1586
1587	if (sl.length () > startlen || socket.sent_scroll)
1588	{
1589	socket.send_packet (sl);
1590	socket.sent_scroll = 0;
1591	}
1592	}
1593
1594	/**
1595	* Draws client map.
1596	*/
1597	void
1598	draw_client_map (object *pl)
1599	{
1600	int i, j;
1601	sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1602	int mflags;
1603	struct Map newmap;
1604	maptile *m, *pm;
1605
1606	if (pl->type != PLAYER)
1607	{
1608	LOG (llevError, "draw_client_map called with non player/non eric-server\n");
1609	return;
1610	}
1611
1612	pm = pl->map;
1613		859
1614	/* If player is just joining the game, he isn't here yet, so the map	860	/* If player is just joining the game, he isn't here yet, so the map
1615	* can get swapped out. If so, don't try to send them a map. All will	861	* can get swapped out. If so, don't try to send them a map. All will
1616	* be OK once they really log in.	862	* be OK once they really log in.
1617	*/	863	*/
1618	if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)	864	if (!ob->map || ob->map->state != MAP_ACTIVE)
1619	return;	865	return;
1620		866
1621	memset (&newmap, 0, sizeof (struct Map));	867	int startlen, oldlen;
1622		868
1623	for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++)	869	check_map_change (pl);
1624	for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++)	870	pl->ob->prefetch_surrounding_maps ();
		871
		872	/* do LOS after calls to update_position */
		873	/* unfortunately, we need to udpate los when observing, currently */
		874	if (pl->do_los || pl->viewpoint != pl->ob)
		875	{
		876	pl->do_los = 0;
		877	pl->update_los ();
		878	}
		879
		880	/**
		881	* This function uses the new map1 protocol command to send the map
		882	* to the client. It is necessary because the old map command supports
		883	* a maximum map size of 15x15.
		884	* This function is much simpler than the old one. This is because
		885	* the old function optimized to send as few face identifiers as possible,
		886	* at the expense of sending more coordinate location (coordinates were
		887	* only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
		888	* we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
		889	* maps no sense. Instead, we actually really only use 12 bits for coordinates,
		890	* and use the other 4 bits for other informatiion. For full documentation
		891	* of what we send, see the doc/Protocol file.
		892	* I will describe internally what we do:
		893	* the ns->lastmap shows how the map last looked when sent to the client.
		894	* in the lastmap structure, there is a cells array, which is set to the
		895	* maximum viewable size (As set in config.h).
		896	* in the cells, there are faces and a count value.
		897	* we use the count value to hold the darkness value. If -1, then this space
		898	* is not viewable.
		899	* we use faces[0] faces[1] faces[2] to hold what the three layers
		900	* look like.
		901	*/
		902
		903	client &socket = *pl->ns;
		904
		905	packet sl ("map1a");
		906
		907	startlen = sl.length ();
		908
		909	int hx = socket.mapx / 2;
		910	int hy = socket.mapy / 2;
		911
		912	ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
		913	int ax = dx + hx;
		914	int ay = dy + hy;
		915
		916	int mask = (ax << 10) | (ay << 4);
		917	MapCell &lastcell = socket.lastmap.cells[ax][ay];
		918
		919	/* If the coordinates are not valid, or it is too dark to see,
		920	* we tell the client as such
		921	*/
		922	if (!m)
1625	{	923	{
1626	ax = i;	924	/* space is out of map. Update space and clear values
1627	ay = j;	925	* if this hasn't already been done. If the space is out
1628	m = pm;	926	* of the map, it shouldn't have a head.
1629	mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
1630
1631	if (mflags & P_OUT_OF_MAP)
1632	continue;
1633
1634	/* If a map is visible to the player, we don't want to swap it out
1635	* just to reload it. This should really call something like
1636	* swap_map, but this is much more efficient and 'good enough'
1637	*/	927	*/
1638	if (mflags & P_NEW_MAP)	928	if (lastcell.count != -1)
1639	m->timeout = 50;	929	{
		930	sl << uint16 (mask);
		931	map_clearcell (&lastcell, -1);
		932	}
		933
		934	continue;
1640	}	935	}
1641		936
1642	/* do LOS after calls to update_position */	937	int d = pl->blocked_los_uc (dx, dy);
1643	if (pl->contr->do_los)	938
		939	if (d > 3)
1644	{	940	{
1645	update_los (pl);	941	/* This block deals with spaces that are not visible for whatever
1646	pl->contr->do_los = 0;	942	* reason. Still may need to send the head for this space.
		943	*/
		944	if (lastcell.count != -1
		945	|| lastcell.faces[0]
		946	|| lastcell.faces[1]
		947	|| lastcell.faces[2]
		948	|| lastcell.stat_hp
		949	|| lastcell.flags
		950	|| lastcell.player)
		951	sl << uint16 (mask);
		952
		953	/* properly clear a previously sent big face */
		954	map_clearcell (&lastcell, -1);
1647	}	955	}
1648		956	else
1649	/* Big maps need a different drawing mechanism to work */
1650	draw_client_map1 (pl);
1651	}
1652
1653
1654	/*****************************************************************************/
1655
1656	/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1657
1658	/* a player. Of course, the client need to know the command to be able to */
1659
1660	/* manage it ! */
1661
1662	/*****************************************************************************/
1663	void
1664	send_plugin_custom_message (object *pl, char *buf)
1665	{
1666	pl->contr->ns->send_packet (buf);
1667	}
1668
1669	/**
1670	* This sends the skill number to name mapping. We ignore
1671	* the params - we always send the same info no matter what.
1672	*/
1673	void
1674	send_skill_info (client *ns, char *params)
1675	{
1676	packet sl;
1677	sl << "replyinfo skill_info\n";
1678
1679	for (int i = 1; i < NUM_SKILLS; i++)
1680	sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
1681
1682	if (sl.length () >= MAXSOCKBUF)
1683	{	957	{
1684	LOG (llevError, "Buffer overflow in send_skill_info!\n");	958	/* In this block, the space is visible.
1685	fatal (0);	959	*/
		960
		961	/* Rather than try to figure out what everything that we might
		962	* need to send is, then form the packet after that,
		963	* we presume that we will in fact form a packet, and update
		964	* the bits by what we do actually send. If we send nothing,
		965	* we just back out sl.length () to the old value, and no harm
		966	* is done.
		967	* I think this is simpler than doing a bunch of checks to see
		968	* what if anything we need to send, setting the bits, then
		969	* doing those checks again to add the real data.
		970	*/
		971	oldlen = sl.length ();
		972
		973	sl << uint16 (mask);
		974
		975	unsigned char dummy;
		976	unsigned char *last_ext = &dummy;
		977
		978	/* Darkness changed */
		979	if (lastcell.count != d)
		980	{
		981	mask |= 0x8;
		982
		983	*last_ext |= 0x80;
		984	last_ext = &sl[sl.length ()];
		985	sl << uint8 (d);
		986	}
		987
		988	lastcell.count = d;
		989
		990	mapspace &ms = m->at (nx, ny);
		991	ms.update ();
		992
		993	// extmap handling
		994	uint8 stat_hp = 0;
		995	uint8 stat_width = 0;
		996	uint8 flags = 0;
		997	tag_t player = 0;
		998
		999	// send hp information, if applicable
		1000	if (object *op = ms.faces_obj [0])
		1001	if (op->is_head () && !op->invisible)
		1002	{
		1003	if (op->stats.maxhp > op->stats.hp
		1004	&& op->stats.maxhp > 0
		1005	&& (op->type == PLAYER
		1006	|| op->type == DOOR // does not work, have maxhp 0
		1007	|| op->flag [FLAG_MONSTER]
		1008	|| op->flag [FLAG_ALIVE]
		1009	|| op->flag [FLAG_GENERATOR]))
		1010	{
		1011	stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
		1012	stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
		1013	}
		1014
		1015	if (expect_false (op->has_dialogue ()))
		1016	flags |= 1;
		1017
		1018	if (expect_false (op->type == PLAYER))
		1019	player = op == ob ? pl->ob->count
		1020	: op == pl->ob ? ob->count
		1021	: op->count;
		1022	}
		1023
		1024	if (expect_false (lastcell.stat_hp != stat_hp))
		1025	{
		1026	lastcell.stat_hp = stat_hp;
		1027
		1028	mask |= 0x8;
		1029	*last_ext |= 0x80;
		1030	last_ext = &sl[sl.length ()];
		1031
		1032	sl << uint8 (5) << uint8 (stat_hp);
		1033
		1034	if (stat_width > 1)
		1035	{
		1036	*last_ext |= 0x80;
		1037	last_ext = &sl[sl.length ()];
		1038
		1039	sl << uint8 (6) << uint8 (stat_width);
		1040	}
		1041	}
		1042
		1043	if (expect_false (lastcell.player != player))
		1044	{
		1045	lastcell.player = player;
		1046
		1047	mask |= 0x8;
		1048	*last_ext |= 0x80;
		1049	last_ext = &sl[sl.length ()];
		1050
		1051	sl << uint8 (0x47) << uint8 (4) << (uint32)player;
		1052	}
		1053
		1054	if (expect_false (lastcell.flags != flags))
		1055	{
		1056	lastcell.flags = flags;
		1057
		1058	mask |= 0x8;
		1059	*last_ext |= 0x80;
		1060	last_ext = &sl[sl.length ()];
		1061
		1062	sl << uint8 (8) << uint8 (flags);
		1063	}
		1064
		1065	// faces
		1066
		1067	/* Floor face */
		1068	if (update_space (sl, socket, ms, lastcell, 2))
		1069	mask |= 0x4;
		1070
		1071	/* Middle face */
		1072	if (update_space (sl, socket, ms, lastcell, 1))
		1073	mask |= 0x2;
		1074
		1075	if (expect_false (ob->invisible)
		1076	&& ob->invisible & (ob->invisible < 50 ? 1 : 7)
		1077	&& ms.player () == ob)
		1078	{
		1079	// force player to be visible to himself if invisible
		1080	if (lastcell.faces[0] != ob->face)
		1081	{
		1082	lastcell.faces[0] = ob->face;
		1083
		1084	mask |= 0x1;
		1085	sl << uint16 (ob->face);
		1086
		1087	socket.send_faces (ob);
		1088	}
		1089	}
		1090	/* Top face */
		1091	else if (update_space (sl, socket, ms, lastcell, 0))
		1092	mask |= 0x1;
		1093
		1094	/* Check to see if we are in fact sending anything for this
		1095	* space by checking the mask. If so, update the mask.
		1096	* if not, reset the len to that from before adding the mask
		1097	* value, so we don't send those bits.
		1098	*/
		1099	if (mask & 0xf)
		1100	sl[oldlen + 1] = mask & 0xff;
		1101	else
		1102	sl.reset (oldlen);
		1103	} /* else this is a viewable space */
		1104	ordered_mapwalk_end
		1105
		1106	socket.flush_fx ();
		1107
		1108	if (sl.length () > startlen || socket.sent_scroll)
1686	}	1109	{
1687
1688	ns->send_packet (sl);	1110	socket.send_packet (sl);
1689	}	1111	socket.sent_scroll = 0;
1690
1691	/**
1692	* This sends the spell path to name mapping. We ignore
1693	* the params - we always send the same info no matter what.
1694	*/
1695	void
1696	send_spell_paths (client * ns, char *params)
1697	{
1698	packet sl;
1699
1700	sl << "replyinfo spell_paths\n";
1701
1702	for (int i = 0; i < NRSPELLPATHS; i++)
1703	sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1704
1705	if (sl.length () >= MAXSOCKBUF)
1706	{	1112	}
1707	LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1708	fatal (0);
1709	}
1710
1711	ns->send_packet (sl);
1712	}	1113	}
1713		1114
1714	/**	1115	/**
1715	* This looks for any spells the player may have that have changed their stats.	1116	* This looks for any spells the player may have that have changed their stats.
1716	* it then sends an updspell packet for each spell that has changed in this way	1117	* it then sends an updspell packet for each spell that has changed in this way
…		…
1719	esrv_update_spells (player *pl)	1120	esrv_update_spells (player *pl)
1720	{	1121	{
1721	if (!pl->ns)	1122	if (!pl->ns)
1722	return;	1123	return;
1723		1124
		1125	pl->ns->update_spells = false;
		1126
1724	if (!pl->ns->monitor_spells)	1127	if (!pl->ns->monitor_spells)
1725	return;	1128	return;
1726		1129
1727	for (object *spell = pl->ob->inv; spell; spell = spell->below)	1130	for (object *spell = pl->ob->inv; spell; spell = spell->below)
1728	{
1729	if (spell->type == SPELL)	1131	if (spell->type == SPELL)
1730	{	1132	{
1731	int flags = 0;	1133	int flags = 0;
		1134	int val;
1732		1135
1733	/* check if we need to update it */	1136	/* check if we need to update it */
1734	if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))	1137	val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
		1138	if (spell->cached_sp != val)
1735	{	1139	{
1736	spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);	1140	spell->cached_sp = val;
1737	flags |= UPD_SP_MANA;	1141	flags |= UPD_SP_MANA;
1738	}	1142	}
1739		1143
1740	if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))	1144	val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
		1145	if (spell->cached_grace != val)
1741	{	1146	{
1742	spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);	1147	spell->cached_grace = val;
1743	flags |= UPD_SP_GRACE;	1148	flags |= UPD_SP_GRACE;
1744	}	1149	}
1745		1150
1746	if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))	1151	val = casting_level (pl->ob, spell);
		1152	if (spell->cached_eat != val)
1747	{	1153	{
1748	spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);	1154	spell->cached_eat = val;
1749	flags |= UPD_SP_DAMAGE;	1155	flags |= UPD_SP_LEVEL;
1750	}	1156	}
1751		1157
1752	if (flags)	1158	if (flags)
1753	{	1159	{
1754	packet sl;	1160	packet sl;
1755		1161
1756	sl << "updspell "	1162	sl << "updspell "
1757	<< uint8 (flags)	1163	<< uint8 (flags)
1758	<< uint32 (spell->count);	1164	<< uint32 (spell->count);
1759		1165
1760	if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp);	1166	if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1761	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace);	1167	if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1762	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat);	1168	if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1763		1169
1764	pl->ns->send_packet (sl);	1170	pl->ns->send_packet (sl);
1765	}	1171	}
1766	}	1172	}
1767	}
1768	}	1173	}
1769		1174
1770	void	1175	void
1771	esrv_remove_spell (player *pl, object *spell)	1176	esrv_remove_spell (player *pl, object *spell)
1772	{	1177	{
…		…
1788		1193
1789	/* appends the spell *spell to the Socklist we will send the data to. */	1194	/* appends the spell *spell to the Socklist we will send the data to. */
1790	static void	1195	static void
1791	append_spell (player *pl, packet &sl, object *spell)	1196	append_spell (player *pl, packet &sl, object *spell)
1792	{	1197	{
1793	int i, skill = 0;	1198	int skill = 0;
1794		1199
1795	if (!(spell->name))	1200	if (!(spell->name))
1796	{	1201	{
1797	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);	1202	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1798	return;	1203	return;
1799	}	1204	}
1800		1205
1801	/* store costs and damage in the object struct, to compare to later */	1206	/* store costs and damage in the object struct, to compare to later */
1802	spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);	1207	spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1803	spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);	1208	spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1804	spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);	1209	spell->cached_eat = casting_level (pl->ob, spell);
1805		1210
1806	/* figure out which skill it uses, if it uses one */	1211	/* figure out which skill it uses, if it uses one */
1807	if (spell->skill)	1212	if (spell->skill)
1808	{	1213	if (object *tmp = pl->find_skill (spell->skill))
1809	for (i = 1; i < NUM_SKILLS; i++)	1214	skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
1810	if (!strcmp (spell->skill, skill_names[i]))
1811	{
1812	skill = i + CS_STAT_SKILLINFO;
1813	break;
1814	}
1815	}
1816		1215
1817	// spells better have a face	1216	// spells better have a face
1818	if (!spell->face)	1217	if (!spell->face)
1819	{	1218	{
1820	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);	1219	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1821	spell->face = face_find ("burnout.x11", blank_face);	1220	spell->face = face_find ("burnout.x11", blank_face);
1822	}	1221	}
		1222
		1223	pl->ns->send_face (spell->face);
1823		1224
1824	/* send the current values */	1225	/* send the current values */
1825	sl << uint32 (spell->count)	1226	sl << uint32 (spell->count)
1826	<< uint16 (spell->level)	1227	<< uint16 (spell->level)
1827	<< uint16 (spell->casting_time)	1228	<< uint16 (spell->casting_time)
1828	<< uint16 (spell->last_sp)	1229	<< uint16 (spell->cached_sp)
1829	<< uint16 (spell->last_grace)	1230	<< uint16 (spell->cached_grace)
1830	<< uint16 (spell->last_eat)	1231	<< uint16 (spell->cached_eat)
1831	<< uint8 (skill)	1232	<< uint8 (skill)
1832	<< uint32 (spell->path_attuned)	1233	<< uint32 (spell->path_attuned)
1833	<< uint32 (spell->face)	1234	<< uint32 (spell->face)
1834	<< data8 (spell->name)	1235	<< data8 (spell->name);
		1236
		1237	if (pl->ns->monitor_spells < 2)
1835	<< data16 (spell->msg);	1238	sl << data16 (spell->msg);
1836	}	1239	}
1837		1240
1838	/**	1241	/**
1839	* This tells the client to add the spell *ob, if *ob is NULL, then add	1242	* This tells the client to add the spell *ob, if *ob is NULL, then add
1840	* all spells in the player's inventory.	1243	* all spells in the player's inventory.
…		…
1863	* bytes and 3 strings (because that is the spec) so we need to	1266	* bytes and 3 strings (because that is the spec) so we need to
1864	* check that the length of those 3 strings, plus the 23 bytes,	1267	* check that the length of those 3 strings, plus the 23 bytes,
1865	* won't take us over the length limit for the socket, if it does,	1268	* won't take us over the length limit for the socket, if it does,
1866	* we need to send what we already have, and restart packet formation	1269	* we need to send what we already have, and restart packet formation
1867	*/	1270	*/
		1271	if (spell->type != SPELL)
		1272	continue;
		1273
1868	/* Seeing crashes by overflowed buffers. Quick arithemetic seems	1274	/* Seeing crashes by overflowed buffers. Quick arithemetic seems
1869	* to show add_spell is 26 bytes + 2 strings. However, the overun	1275	* to show add_spell is 26 bytes + 2 strings. However, the overun
1870	* is hundreds of bytes off, so correcting 22 vs 26 doesn't seem	1276	* is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1871	* like it will fix this	1277	* like it will fix this
1872	*/	1278	*/
1873	if (spell->type != SPELL)
1874	continue;
1875
1876	if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))	1279	if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1877	{	1280	{
		1281	pl->ns->flush_fx ();
1878	pl->ns->send_packet (sl);	1282	pl->ns->send_packet (sl);
1879		1283
1880	sl.reset ();	1284	sl.reset ();
1881	sl << "addspell ";	1285	sl << "addspell ";
1882	}	1286	}
…		…
1890	return;	1294	return;
1891	}	1295	}
1892	else	1296	else
1893	append_spell (pl, sl, spell);	1297	append_spell (pl, sl, spell);
1894		1298
1895	if (sl.length () >= MAXSOCKBUF)	1299	if (sl.length () > MAXSOCKBUF)
1896	{
1897	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");	1300	cleanup ("buffer overflow in esrv_add_spells!");
1898	fatal (0);
1899	}
1900		1301
1901	/* finally, we can send the packet */	1302	/* finally, we can send the packet */
		1303	pl->ns->flush_fx ();
1902	pl->ns->send_packet (sl);	1304	pl->ns->send_packet (sl);
1903	}	1305	}
1904		1306
		1307	//-GPL
		1308

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