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/cvs/deliantra/server/socket/request.C

Comparing deliantra/server/socket/request.C (file contents):
Revision 1.44 by root, Sat Dec 16 21:40:26 2006 UTC vs.
Revision 1.97 by root, Thu May 17 14:14:56 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game
3		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2001 Mark Wedel	5	* Copyright (C) 2001 Mark Wedel
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program; if not, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		21	*
21	The author can be reached via e-mail to <crossfire@schmorp.de>	22	* The author can be reached via e-mail to <crossfire@schmorp.de>
22	*/	23	*/
23		24
24	/**	25	/**
25	* \file	26	* \file
26	* Client handling.	27	* Client handling.
27	*	28	*
…		…
35	* have the prototype of (char *data, int datalen, int client_num). This	36	* have the prototype of (char *data, int datalen, int client_num). This
36	* way, we can use one dispatch table.	37	* way, we can use one dispatch table.
37	*	38	*
38	* esrv_map_new starts updating the map	39	* esrv_map_new starts updating the map
39	*	40	*
40	* esrv_map_setbelow allows filling in all of the faces for the map.
41	* if a face has not already been sent to the client, it is sent now.
42	*
43	*/	41	*/
44		42
45	#include <global.h>	43	#include <global.h>
46	#include <sproto.h>	44	#include <sproto.h>
47		45
…		…
100	* that much difference in bandwidth.	98	* that much difference in bandwidth.
101	*/	99	*/
102	mx = ns->mapx;	100	mx = ns->mapx;
103	my = ns->mapy;	101	my = ns->mapy;
104		102
105	if (ns->mapmode == Map1aCmd)
106	{
107	mx += MAX_HEAD_OFFSET;
108	my += MAX_HEAD_OFFSET;
109	}
110
111	/* the x and y here are coordinates for the new map, i.e. if we moved	103	/* the x and y here are coordinates for the new map, i.e. if we moved
112	* (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,	104	* (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
113	* if the destination x or y coordinate is outside the viewable	105	* if the destination x or y coordinate is outside the viewable
114	* area, we clear the values - otherwise, the old values	106	* area, we clear the values - otherwise, the old values
115	* are preserved, and the check_head thinks it needs to clear them.	107	* are preserved, and the check_head thinks it needs to clear them.
…		…
138	}	130	}
139		131
140	static void	132	static void
141	clear_map (player *pl)	133	clear_map (player *pl)
142	{	134	{
143	client &socket = *pl->socket;
144
145	memset (&socket.lastmap, 0, sizeof (socket.lastmap));	135	memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
146		136
		137	pl->ns->force_newmap = false;
		138
147	if (socket.newmapcmd == 1)	139	if (pl->ns->newmapcmd == 1)
148	socket.send_packet ("newmap");	140	pl->ns->send_packet ("newmap");
149		141
150	socket.update_look = 1;	142	pl->ns->floorbox_reset ();
151	socket.look_position = 0;
152	}	143	}
153		144
154	/** check for map change and send new map data */	145	/** check for map/region change and send new map data */
155	static void	146	static void
156	check_map_change (player *pl)	147	check_map_change (player *pl)
157	{	148	{
158	client &socket = *pl->socket;	149	client &socket = *pl->ns;
159	object *ob = pl->ob;	150	object *ob = pl->ob;
160	char buf[MAX_BUF]; /* eauugggh */	151	char buf[MAX_BUF]; /* eauugggh */
161		152
162	if (socket.current_map != ob->map)	153	if (socket.current_map != ob->map || socket.force_newmap)
163	{	154	{
		155	clear_map (pl);
164	socket.current_map = ob->map;	156	socket.current_map = ob->map;
165
166	clear_map (pl);
167		157
168	if (socket.mapinfocmd)	158	if (socket.mapinfocmd)
169	{	159	{
170	if (ob->map && ob->map->path[0])	160	if (ob->map && ob->map->path[0])
171	{	161	{
172	int flags = 0;	162	int flags = 0;
173		163
174	if (ob->map->tile_path[0])	164	if (ob->map->tile_path[0]) flags |= 1;
175	flags |= 1;
176	if (ob->map->tile_path[1])	165	if (ob->map->tile_path[1]) flags |= 2;
177	flags |= 2;
178	if (ob->map->tile_path[2])	166	if (ob->map->tile_path[2]) flags |= 4;
179	flags |= 4;
180	if (ob->map->tile_path[3])	167	if (ob->map->tile_path[3]) flags |= 8;
181	flags |= 8;
182		168
183	snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s",	169	snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s",
184	flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, ob->map->path);	170	flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path);
185	}	171	}
186	else	172	else
187	snprintf (buf, MAX_BUF, "mapinfo current");	173	snprintf (buf, MAX_BUF, "mapinfo current");
188		174
189	socket.send_packet (buf);	175	socket.send_packet (buf);
…		…
197	if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))	183	if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
198	clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows	184	clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
199	else	185	else
200	{	186	{
201	socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);	187	socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
202	socket.update_look = 1;	188	socket.floorbox_reset ();
203	socket.look_position = 0;
204	}	189	}
205	}	190	}
206		191
207	socket.current_x = ob->x;	192	socket.current_x = ob->x;
208	socket.current_y = ob->y;	193	socket.current_y = ob->y;
		194
		195	region *reg = ob->region ();
		196	if (socket.current_region != reg)
		197	{
		198	socket.current_region = reg;
		199	socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);
		200	}
209	}	201	}
210		202
211	/**	203	/**
212	* RequestInfo is sort of a meta command. There is some specific	204	* RequestInfo is sort of a meta command. There is some specific
213	* request of information, but we call other functions to provide	205	* request of information, but we call other functions to provide
…		…
257	{	249	{
258	INVOKE_PLAYER (EXTCMD, pl, ARG_DATA (buf, len));	250	INVOKE_PLAYER (EXTCMD, pl, ARG_DATA (buf, len));
259	}	251	}
260		252
261	void	253	void
		254	ExtiCmd (char *buf, int len, client *ns)
		255	{
		256	INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
		257	}
		258
		259	void
262	MapInfoCmd (char *buf, int len, player *pl)	260	MapInfoCmd (char *buf, int len, player *pl)
263	{	261	{
264	// <mapinfo tag spatial tile-path	262	// <mapinfo tag spatial tile-path
265	// >mapinfo tag spatial flags x y w h hash	263	// >mapinfo tag spatial flags x y w h hash
266		264
…		…
278	buf += 8;	276	buf += 8;
279		277
280	// initial map and its origin	278	// initial map and its origin
281	maptile *map = pl->ob->map;	279	maptile *map = pl->ob->map;
282	sint16 dx, dy;	280	sint16 dx, dy;
283	int mapx = pl->socket->mapx / 2 - pl->ob->x;	281	int mapx = pl->ns->mapx / 2 - pl->ob->x;
284	int mapy = pl->socket->mapy / 2 - pl->ob->y;	282	int mapy = pl->ns->mapy / 2 - pl->ob->y;
285	int max_distance = 8; // limit maximum path length to something generous	283	int max_distance = 8; // limit maximum path length to something generous
286		284
287	while (*buf && map && max_distance)	285	while (*buf && map && max_distance)
288	{	286	{
289	int dir = *buf++;	287	int dir = *buf++;
290		288
291	switch (dir)	289	switch (dir)
292	{	290	{
293	case '1':	291	case '1':
294	dx = 0;	292	dx = 0;
295	dy = -1;	293	dy = -1;
296	map = get_map_from_coord (map, &dx, &dy);	294	map = map->xy_find (dx, dy);
297	map && (mapy -= map->height);	295	map && (mapy -= map->height);
298	break;	296	break;
299	case '2':	297	case '2':
300	mapx += map->width;	298	mapx += map->width;
301	dx = map->width;	299	dx = map->width;
302	dy = 0;	300	dy = 0;
303	map = get_map_from_coord (map, &dx, &dy);	301	map = map->xy_find (dx, dy);
304	break;	302	break;
305	case '3':	303	case '3':
306	mapy += map->height;	304	mapy += map->height;
307	dx = 0;	305	dx = 0;
308	dy = map->height;	306	dy = map->height;
309	map = get_map_from_coord (map, &dx, &dy);	307	map = map->xy_find (dx, dy);
310	break;	308	break;
311	case '4':	309	case '4':
312	dx = -1;	310	dx = -1;
313	dy = 0;	311	dy = 0;
314	map = get_map_from_coord (map, &dx, &dy);	312	map = map->xy_find (dx, dy);
315	map && (mapx -= map->width);	313	map && (mapx -= map->width);
316	break;	314	break;
317	}	315	}
318		316
319	--max_distance;	317	--max_distance;
320	}	318	}
321		319
…		…
323	snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);	321	snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
324	else if (map && map->path[0])	322	else if (map && map->path[0])
325	{	323	{
326	int flags = 0;	324	int flags = 0;
327		325
328	if (map->tile_path[0])	326	if (map->tile_path[0]) flags |= 1;
329	flags |= 1;
330	if (map->tile_path[1])	327	if (map->tile_path[1]) flags |= 2;
331	flags |= 2;
332	if (map->tile_path[2])	328	if (map->tile_path[2]) flags |= 4;
333	flags |= 4;
334	if (map->tile_path[3])	329	if (map->tile_path[3]) flags |= 8;
335	flags |= 8;
336		330
337	snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, map->path);	331	snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
338	}	332	}
339	else	333	else
340	snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);	334	snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);
341	}	335	}
342	else	336	else
343	snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);	337	snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token);
344		338
345	pl->socket->send_packet (bigbuf);	339	pl->ns->send_packet (bigbuf);
346	}	340	}
347		341
348	/** This is the Setup cmd - easy first implementation */	342	/** This is the Setup cmd */
349	void	343	void
350	SetUp (char *buf, int len, client * ns)	344	SetUp (char *buf, int len, client * ns)
351	{	345	{
352	int s, slen;	346	INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
353	char *cmd, *param, cmdback[HUGE_BUF];
354
355	/* run through the cmds of setup
356	* syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
357	*
358	* we send the status of the cmd back, or a FALSE is the cmd is the server unknown
359	* The client then must sort this out
360	*/
361
362	//LOG (llevInfo, "Get SetupCmd:: %s\n", buf);
363
364	strcpy (cmdback, "setup");
365	for (s = 0; s < len; )
366	{
367	cmd = &buf[s];
368
369	/* find the next space, and put a null there */
370	for (; buf[s] && buf[s] != ' '; s++)
371	;
372
373	buf[s++] = 0;
374
375	while (buf[s] == ' ')
376	s++;
377
378	if (s >= len)
379	break;
380
381	param = &buf[s];
382
383	for (; buf[s] && buf[s] != ' '; s++)
384	;
385
386	buf[s++] = 0;
387
388	while (buf[s] == ' ')
389	s++;
390
391	slen = strlen (cmdback);
392	safe_strcat (cmdback, " ", &slen, HUGE_BUF);
393	safe_strcat (cmdback, cmd, &slen, HUGE_BUF);
394	safe_strcat (cmdback, " ", &slen, HUGE_BUF);
395
396	if (!strcmp (cmd, "sound"))
397	{
398	ns->sound = atoi (param);
399	safe_strcat (cmdback, param, &slen, HUGE_BUF);
400	}
401	else if (!strcmp (cmd, "exp64"))
402	{
403	ns->exp64 = atoi (param);
404	safe_strcat (cmdback, param, &slen, HUGE_BUF);
405	}
406	else if (!strcmp (cmd, "spellmon"))
407	{
408	ns->monitor_spells = atoi (param);
409	safe_strcat (cmdback, param, &slen, HUGE_BUF);
410	}
411	else if (!strcmp (cmd, "darkness"))
412	{
413	ns->darkness = atoi (param);
414	safe_strcat (cmdback, param, &slen, HUGE_BUF);
415	}
416	else if (!strcmp (cmd, "map1cmd"))
417	{
418	if (atoi (param))
419	ns->mapmode = Map1Cmd;
420	/* if beyond this size, need to use map1cmd no matter what */
421	if (ns->mapx > 11 || ns->mapy > 11)
422	ns->mapmode = Map1Cmd;
423	safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF);
424	}
425	else if (!strcmp (cmd, "map1acmd"))
426	{
427	if (atoi (param))
428	ns->mapmode = Map1aCmd;
429	/* if beyond this size, need to use map1acmd no matter what */
430	if (ns->mapx > 11 || ns->mapy > 11)
431	ns->mapmode = Map1aCmd;
432	safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF);
433	}
434	else if (!strcmp (cmd, "newmapcmd"))
435	{
436	ns->newmapcmd = atoi (param);
437	safe_strcat (cmdback, param, &slen, HUGE_BUF);
438	// } else if (!strcmp(cmd,"plugincmd")) {
439	// ns->plugincmd = atoi(param);
440	// safe_strcat(cmdback, param, &slen, HUGE_BUF);
441	}
442	else if (!strcmp (cmd, "mapinfocmd"))
443	{
444	ns->mapinfocmd = atoi (param);
445	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
446	}
447	else if (!strcmp (cmd, "extcmd"))
448	{
449	ns->extcmd = atoi (param);
450	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
451	}
452	else if (!strcmp (cmd, "extmap"))
453	{
454	ns->extmap = atoi (param);
455	safe_strcat (cmdback, "1", &slen, HUGE_BUF);
456	}
457	else if (!strcmp (cmd, "facecache"))
458	{
459	ns->facecache = atoi (param);
460	safe_strcat (cmdback, param, &slen, HUGE_BUF);
461	}
462	else if (!strcmp (cmd, "faceset"))
463	{
464	char tmpbuf[20];
465	int q = atoi (param);
466
467	if (is_valid_faceset (q))
468	ns->faceset = q;
469	sprintf (tmpbuf, "%d", ns->faceset);
470	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
471	/* if the client is using faceset, it knows about image2 command */
472	ns->image2 = 1;
473	}
474	else if (!strcmp (cmd, "itemcmd"))
475	{
476	/* Version of the item protocol command to use. Currently,
477	* only supported versions are 1 and 2. Using a numeric
478	* value will make it very easy to extend this in the future.
479	*/
480	char tmpbuf[20];
481	int q = atoi (param);
482
483	if (q < 1 || q > 2)
484	{
485	strcpy (tmpbuf, "FALSE");
486	}
487	else
488	{
489	ns->itemcmd = q;
490	sprintf (tmpbuf, "%d", ns->itemcmd);
491	}
492	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
493	}
494	else if (!strcmp (cmd, "mapsize"))
495	{
496	int x, y = 0;
497	char tmpbuf[MAX_BUF], *cp;
498
499	x = atoi (param);
500	for (cp = param; *cp != 0; cp++)
501	if (*cp == 'x' || *cp == 'X')
502	{
503	y = atoi (cp + 1);
504	break;
505	}
506	if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y)
507	{
508	sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
509	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
510	}
511	else
512	{
513	ns->mapx = x;
514	ns->mapy = y;
515	/* better to send back what we are really using and not the
516	* param as given to us in case it gets parsed differently.
517	*/
518	sprintf (tmpbuf, "%dx%d", x, y);
519	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
520	/* If beyond this size and still using orig map command, need to
521	* go to map1cmd.
522	*/
523	if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd)
524	ns->mapmode = Map1Cmd;
525	}
526	}
527	else if (!strcmp (cmd, "extendedMapInfos"))
528	{
529	/* Added by tchize
530	* prepare to use the mapextended command
531	*/
532	char tmpbuf[20];
533
534	ns->ext_mapinfos = (atoi (param));
535	sprintf (tmpbuf, "%d", ns->ext_mapinfos);
536	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
537	}
538	else if (!strcmp (cmd, "extendedTextInfos"))
539	{
540	/* Added by tchize
541	* prepare to use the extended text commands
542	* Client toggle this to non zero to get exttext
543	*/
544	char tmpbuf[20];
545
546	ns->has_readable_type = (atoi (param));
547	sprintf (tmpbuf, "%d", ns->has_readable_type);
548	safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
549	}
550	else
551	{
552	/* Didn't get a setup command we understood -
553	* report a failure to the client.
554	*/
555	safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF);
556	}
557	} /* for processing all the setup commands */
558
559	LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback);
560	ns->send_packet (cmdback);
561	}	347	}
562		348
563	/**	349	/**
564	* The client has requested to be added to the game.	350	* The client has requested to be added to the game.
565	* This is what takes care of it. We tell the client how things worked out.	351	* This is what takes care of it. We tell the client how things worked out.
566	* I am not sure if this file is the best place for this function. however,	352	* I am not sure if this file is the best place for this function. however,
567	* it either has to be here or init_sockets needs to be exported.	353	* it either has to be here or init_sockets needs to be exported.
568	*/	354	*/
569	void	355	void
570	AddMeCmd (char *buf, int len, client * ns)	356	AddMeCmd (char *buf, int len, client *ns)
571	{	357	{
572	if (ns->status != Ns_Add || add_player (ns))	358	INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
573	ns->send_packet ("addme_failed");
574	else
575	ns->send_packet ("addme_success");
576	}	359	}
577		360
578	/** Reply to ExtendedInfos command */	361	/** Reply to ExtendedInfos command */
579	void	362	void
580	ToggleExtendedInfos (char *buf, int len, client * ns)	363	ToggleExtendedInfos (char *buf, int len, client * ns)
…		…
690		473
691	ns->send_packet (cmdback);	474	ns->send_packet (cmdback);
692	}	475	}
693		476
694	/**	477	/**
695	* A lot like the old AskSmooth (in fact, now called by AskSmooth).	478	* client requested an image. send it rate-limited
696	* Basically, it makes no sense to wait for the client to request a	479	* before flushing.
697	* a piece of data from us that we know the client wants. So
698	* if we know the client wants it, might as well push it to the
699	* client.
700	*/
701	static void
702	SendSmooth (client *ns, uint16 face)
703	{
704	uint16 smoothface;
705
706	/* If we can't find a face, return and set it so we won't try to send this
707	* again.
708	*/	480	*/
709	if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface)))	481	void
710	{	482	AskFaceCmd (char *buf, int len, client *ns)
711		483	{
712	LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name);	484	ns->askface.push_back (atoi (buf));
713	ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
714	return;
715	}
716
717	if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
718	esrv_send_face (ns, smoothface, 0);
719
720	ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
721
722	packet sl;
723
724	sl << "smooth "
725	<< uint16 (face)
726	<< uint16 (smoothface);
727
728	ns->send_packet (sl);
729	}	485	}
730		486
731	/**	487	/**
732	* Tells client the picture it has to use	488	* Tells client the picture it has to use
733	* to smooth a picture number given as argument.	489	* to smooth a picture number given as argument.
734	*/	490	*/
735	void	491	void
736	AskSmooth (char *buf, int len, client *ns)	492	AskSmooth (char *buf, int len, client *ns)
737	{	493	{
738	SendSmooth (ns, atoi (buf));	494	ns->send_face (atoi (buf));
		495	ns->flush_fx ();
739	}	496	}
740		497
741	/**	498	/**
742	* This handles the general commands from the client (ie, north, fire, cast,	499	* This handles the general commands from the client (ie, north, fire, cast,
743	* etc.)	500	* etc.)
…		…
802	* commands.	559	* commands.
803	*/	560	*/
804	pl->count = 0;	561	pl->count = 0;
805		562
806	//TODO: schmorp thinks whatever this calculates, it makes no sense at all	563	//TODO: schmorp thinks whatever this calculates, it makes no sense at all
807	int time = FABS (pl->ob->speed) < 0.001	564	int time = fabs (pl->ob->speed) < 0.001
808	? time = MAX_TIME * 100	565	? time = MAX_TIME * 100
809	: time = (int) (MAX_TIME / FABS (pl->ob->speed));	566	: time = (int) (MAX_TIME / fabs (pl->ob->speed));
810		567
811	/* Send confirmation of command execution now */	568	/* Send confirmation of command execution now */
812	packet sl;	569	packet sl ("comc");
813	sl << "comc " << uint16 (cmdid) << uint32 (time);	570	sl << uint16 (cmdid) << uint32 (time);
814	pl->socket->send_packet (sl);	571	pl->ns->send_packet (sl);
815	}	572	}
816
817		573
818	/** This is a reply to a previous query. */	574	/** This is a reply to a previous query. */
819	void	575	void
820	ReplyCmd (char *buf, int len, player *pl)	576	ReplyCmd (char *buf, int len, client *ns)
821	{	577	{
		578	if (ns->state == ST_CUSTOM)
		579	{
		580	INVOKE_CLIENT (REPLY, ns, ARG_DATA (buf, len));
		581	return;
		582	}
		583
		584	if (!ns->pl)
		585	return; //TODO: depends on the exact reply we are after
		586	//TODO: but right now, we always have a ns->pl
		587
		588	player *pl = ns->pl;
		589
822	/* This is to synthesize how the data would be stored if it	590	/* This is to synthesize how the data would be stored if it
823	* was normally entered. A bit of a hack, and should be cleaned up	591	* was normally entered. A bit of a hack, and should be cleaned up
824	* once all the X11 code is removed from the server.	592	* once all the X11 code is removed from the server.
825	*	593	*
826	* We pass 13 to many of the functions because this way they	594	* We pass 13 to many of the functions because this way they
…		…
829	*/	597	*/
830	snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);	598	snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);
831		599
832	/* this avoids any hacking here */	600	/* this avoids any hacking here */
833		601
834	switch (pl->state)	602	switch (ns->state)
835	{	603	{
836	case ST_PLAYING:	604	case ST_PLAYING:
837	LOG (llevError, "Got reply message with ST_PLAYING input state\n");	605	LOG (llevError, "Got reply message with ST_PLAYING input state\n");
838	break;	606	break;
839		607
840	case ST_PLAY_AGAIN:
841	/* We can check this for return value (2==quit). Maybe we
842	* should, and do something appropriate?
843	*/
844	receive_play_again (pl->ob, buf[0]);
845	break;
846
847	case ST_ROLL_STAT:
848	key_roll_stat (pl->ob, buf[0]);
849	break;
850
851	case ST_CHANGE_CLASS:
852
853	key_change_class (pl->ob, buf[0]);
854	break;
855
856	case ST_CONFIRM_QUIT:
857	key_confirm_quit (pl->ob, buf[0]);
858	break;
859
860	case ST_CONFIGURE:
861	LOG (llevError, "In client input handling, but into configure state\n");
862	pl->state = ST_PLAYING;
863	break;
864
865	case ST_GET_NAME:
866	receive_player_name (pl->ob, 13);
867	break;
868
869	case ST_GET_PASSWORD:
870	case ST_CONFIRM_PASSWORD:
871	receive_player_password (pl->ob, 13);
872	break;
873
874	case ST_GET_PARTY_PASSWORD: /* Get password for party */	608	case ST_GET_PARTY_PASSWORD: /* Get password for party */
875	receive_party_password (pl->ob, 13);	609	receive_party_password (pl->ob, 13);
876	break;	610	break;
877		611
878	default:	612	default:
879	LOG (llevError, "Unknown input state: %d\n", pl->state);	613	LOG (llevError, "Unknown input state: %d\n", ns->state);
880	}	614	}
881	}	615	}
882		616
883	/**	617	/**
884	* Client tells its version. If there is a mismatch, we close the	618	* Client tells its version. If there is a mismatch, we close the
…		…
899	ns->cs_version = atoi (buf);	633	ns->cs_version = atoi (buf);
900	ns->sc_version = ns->cs_version;	634	ns->sc_version = ns->cs_version;
901		635
902	LOG (llevDebug, "connection from client <%s>\n", buf);	636	LOG (llevDebug, "connection from client <%s>\n", buf);
903		637
904
905	//TODO: should log here just for statistics	638	//TODO: should log here just for statistics
906		639
907	//if (VERSION_CS != ns->cs_version)	640	//if (VERSION_CS != ns->cs_version)
908	// unchecked;	641	// unchecked;
909		642
…		…
918		651
919	cp = strchr (cp + 1, ' ');	652	cp = strchr (cp + 1, ' ');
920		653
921	if (cp)	654	if (cp)
922	{	655	{
923	assign (ns->version, cp + 1);	656	ns->version = cp + 1;
924		657
925	if (ns->sc_version < 1026)	658	if (ns->sc_version < 1026)
926	ns->send_packet_printf ("drawinfo %d %s", NDI_RED,	659	ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
927	"**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");	660	"**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
928	}	661	}
…		…
934	{	667	{
935	ns->sound = atoi (buf);	668	ns->sound = atoi (buf);
936	}	669	}
937		670
938	/** client wants the map resent */	671	/** client wants the map resent */
939
940	void	672	void
941	MapRedrawCmd (char *buf, int len, player *pl)	673	MapRedrawCmd (char *buf, int len, player *pl)
942	{	674	{
943	/* This function is currently disabled; just clearing the map state results in	675	/* This function is currently disabled; just clearing the map state results in
944	* display errors. It should clear the cache and send a newmap command.	676	* display errors. It should clear the cache and send a newmap command.
…		…
989	/**	721	/**
990	* Asks the client to query the user. This way, the client knows	722	* Asks the client to query the user. This way, the client knows
991	* it needs to send something back (vs just printing out a message)	723	* it needs to send something back (vs just printing out a message)
992	*/	724	*/
993	void	725	void
994	send_query (client *ns, uint8 flags, char *text)	726	send_query (client *ns, uint8 flags, const char *text)
995	{	727	{
996	ns->send_packet_printf ("query %d %s", flags, text ? text : "");	728	ns->send_packet_printf ("query %d %s", flags, text ? text : "");
		729	}
		730
		731	/**
		732	* Get player's current range attack in obuf.
		733	*/
		734	static void
		735	rangetostring (player *pl, char *obuf)
		736	{
		737	dynbuf_text buf;
		738
		739	if (pl->ranged_ob)
		740	buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
		741
		742	if (pl->combat_ob)
		743	buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
		744
		745	//TODO: maybe golem should become the current_weapon, quite simply?
		746	if (pl->golem)
		747	buf << " Golem*: " << pl->golem->name;
		748
		749	buf.linearise (obuf);
		750	obuf [buf.size ()] = 0;
997	}	751	}
998		752
999	#define AddIfInt64(Old,New,Type) if (Old != New) {\	753	#define AddIfInt64(Old,New,Type) if (Old != New) {\
1000	Old = New; \	754	Old = New; \
1001	sl << uint8 (Type) << uint64 (New); \	755	sl << uint8 (Type) << uint64 (New); \
…		…
1031	esrv_update_stats (player *pl)	785	esrv_update_stats (player *pl)
1032	{	786	{
1033	char buf[MAX_BUF];	787	char buf[MAX_BUF];
1034	uint16 flags;	788	uint16 flags;
1035		789
1036	packet sl;	790	client *ns = pl->ns;
1037	sl << "stats ";	791	if (!ns)
		792	return;
1038		793
		794	object *ob = pl->ob;
1039	if (pl->ob)	795	if (!ob)
1040	{	796	return;
		797
		798	packet sl ("stats");
		799
1041	AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP);	800	AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1042	AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP);	801	AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
1043	AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP);	802	AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
1044	AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP);	803	AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
1045	AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE);	804	AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
1046	AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE);	805	AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
1047	AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR);	806	AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
1048	AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT);
1049	AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW);
1050	AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS);
1051	AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX);	807	AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
1052	AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON);	808	AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
		809	AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
		810	AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
		811	AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
1053	AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA);	812	AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1054	}
1055		813
1056	if (pl->socket->exp64)
1057	for (int s = 0; s < NUM_SKILLS; s++)	814	for (int s = 0; s < NUM_SKILLS; s++)
1058	if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp)	815	if (object *skill = pl->last_skill_ob[s])
		816	if (skill->stats.exp != ns->last_skill_exp [s])
1059	{	817	{
		818	ns->last_skill_exp [s] = skill->stats.exp;
		819
1060	/* Always send along the level if exp changes. This is only	820	/* Always send along the level if exp changes. This is only
1061	* 1 extra byte, but keeps processing simpler.	821	* 1 extra byte, but keeps processing simpler.
1062	*/	822	*/
1063	sl << uint8 (s + CS_STAT_SKILLINFO)	823	sl << uint8 (s + CS_STAT_SKILLINFO)
1064	<< uint8 (pl->last_skill_ob[s]->level)	824	<< uint8 (skill->level)
1065	<< uint64 (pl->last_skill_ob[s]->stats.exp);	825	<< uint64 (skill->stats.exp);
1066
1067	pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1068	}	826	}
1069		827
1070	if (pl->socket->exp64)
1071	{ AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64) }	828	AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1072	else
1073	{ AddIfInt (pl->last_stats.exp, (int) pl->ob->stats.exp, CS_STAT_EXP) }
1074
1075	AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL);	829	AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1076	AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC);	830	AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1077	AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC);	831	AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1078	AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM);	832	AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1079	AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED);	833	AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED);
1080	AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD);	834	AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1081	AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);	835	AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);
1082	AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM);	836	AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
		837
1083	flags = 0;	838	flags = 0;
1084		839
1085	if (pl->fire_on)	840	if (pl->fire_on)
1086	flags |= SF_FIREON;	841	flags |= SF_FIREON;
1087		842
1088	if (pl->run_on)	843	if (pl->run_on)
1089	flags |= SF_RUNON;	844	flags |= SF_RUNON;
1090		845
1091	AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS);	846	AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1092		847
1093	if (pl->socket->sc_version < 1025)	848	if (ns->sc_version < 1025)
1094	{ AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }	849	{ AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1095	else	850	else
1096	for (int i = 0; i < NROFATTACKS; i++)	851	for (int i = 0; i < NROFATTACKS; i++)
1097	{	852	{
1098	/* Skip ones we won't send */	853	/* Skip ones we won't send */
1099	if (atnr_cs_stat[i] == -1)	854	if (atnr_cs_stat[i] == -1)
1100	continue;	855	continue;
1101		856
1102	AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]);	857	AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1103	}	858	}
1104		859
1105	if (pl->socket->monitor_spells)	860	if (pl->ns->monitor_spells)
1106	{	861	{
1107	AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE);	862	AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1108	AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL);	863	AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1109	AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY);	864	AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1110	}	865	}
1111		866
1112	rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */	867	rangetostring (pl, buf); /* we want use the new fire & run system in new client */
1113	AddIfString (pl->socket->stats.range, buf, CS_STAT_RANGE);	868	AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1114	set_title (pl->ob, buf);	869	set_title (ob, buf);
1115	AddIfString (pl->socket->stats.title, buf, CS_STAT_TITLE);	870	AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1116		871
1117	/* Only send it away if we have some actual data */	872	/* Only send it away if we have some actual data */
1118	if (sl.length () > 6)	873	if (sl.length () > 6)
1119	pl->socket->send_packet (sl);	874	ns->send_packet (sl);
1120	}	875	}
1121		876
1122	/**	877	/**
1123	* Tells the client that here is a player it should start using.	878	* Tells the client that here is a player it should start using.
1124	*/	879	*/
1125	void	880	void
1126	esrv_new_player (player *pl, uint32 weight)	881	esrv_new_player (player *pl, uint32 weight)
1127	{	882	{
1128	pl->last_weight = weight;	883	packet sl ("player");
1129
1130	packet sl;
1131	sl << "player ";
1132		884
1133	sl << uint32 (pl->ob->count)	885	sl << uint32 (pl->ob->count)
1134	<< uint32 (weight)	886	<< uint32 (weight)
1135	<< uint32 (pl->ob->face->number)	887	<< uint32 (pl->ob->face)
1136	<< data8 (pl->ob->name);	888	<< data8 (pl->ob->name);
1137		889
		890	pl->ns->last_weight = weight;
1138	pl->socket->send_packet (sl);	891	pl->ns->send_packet (sl);
1139	SET_FLAG (pl->ob, FLAG_CLIENT_SENT);	892	SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1140	}	893	}
1141
1142	/**
1143	* Need to send an animation sequence to the client.
1144	* We will send appropriate face commands to the client if we haven't
1145	* sent them the face yet (this can become quite costly in terms of
1146	* how much we are sending - on the other hand, this should only happen
1147	* when the player logs in and picks stuff up.
1148	*/
1149	void
1150	esrv_send_animation (client * ns, short anim_num)
1151	{
1152	/* Do some checking on the anim_num we got. Note that the animations
1153	* are added in contigous order, so if the number is in the valid
1154	* range, it must be a valid animation.
1155	*/
1156	if (anim_num < 0 || anim_num > num_animations)
1157	{
1158	LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
1159	return;
1160	}
1161
1162	packet sl;
1163
1164	sl << "anim "
1165	<< uint16 (anim_num)
1166	<< uint16 (0); /* flags - not used right now */
1167
1168	/* Build up the list of faces. Also, send any information (ie, the
1169	* the face itself) down to the client.
1170	*/
1171	for (int i = 0; i < animations[anim_num].num_animations; i++)
1172	{
1173	if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1174	esrv_send_face (ns, animations[anim_num].faces[i], 0);
1175
1176	sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
1177	}
1178
1179	ns->send_packet (sl);
1180
1181	ns->anims_sent[anim_num] = 1;
1182	}
1183
1184		894
1185	/******************************************************************************	895	/******************************************************************************
1186	*	896	*
1187	* Start of map related commands.	897	* Start of map related commands.
1188	*	898	*
1189	******************************************************************************/	899	******************************************************************************/
1190		900
1191	/**
1192	* This adds face_num to a map cell at x,y. If the client doesn't have
1193	* the face yet, we will also send it.
1194	*/
1195	static void
1196	esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap)
1197	{
1198	if (newmap->cells[x][y].count >= MAP_LAYERS)
1199	{
1200	//TODO: one or the other, can't both have abort and return, verify and act
1201	LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1202	return;
1203	abort ();
1204	}
1205
1206	newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1207	newmap->cells[x][y].count++;
1208
1209	if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1210	esrv_send_face (ns, face_num, 0);
1211	}
1212
1213	/** Clears a map cell */	901	/** Clears a map cell */
1214	static void	902	static void
1215	map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count)	903	map_clearcell (struct MapCell *cell, int count)
1216	{	904	{
1217	cell->faces[0] = face0;	905	cell->faces[0] = 0;
1218	cell->faces[1] = face1;	906	cell->faces[1] = 0;
1219	cell->faces[2] = face2;	907	cell->faces[2] = 0;
		908	cell->smooth[0] = 0;
		909	cell->smooth[1] = 0;
		910	cell->smooth[2] = 0;
1220	cell->count = count;	911	cell->count = count;
1221	cell->stat_hp = 0;	912	cell->stat_hp = 0;
1222	cell->flags = 0;	913	cell->flags = 0;
1223	cell->player = 0;	914	cell->player = 0;
1224	}	915	}
1225		916
1226	#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1227	#define MAX_LAYERS 3	917	#define MAX_LAYERS 3
1228
1229	/* Using a global really isn't a good approach, but saves the over head of
1230	* allocating and deallocating such a block of data each time run through,
1231	* and saves the space of allocating this in the socket object when we only
1232	* need it for this cycle. If the server is ever threaded, this needs to be
1233	* re-examined.
1234	*/
1235	static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1236
1237	/**
1238	* Returns true if any of the heads for this
1239	* space is set. Returns false if all are blank - this is used
1240	* for empty space checking.
1241	*/
1242	static inline int
1243	have_head (int ax, int ay)
1244	{
1245	if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1246	heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1247	return 1;
1248
1249	return 0;
1250	}
1251
1252	/**
1253	* check_head is a bit simplistic version of update_space below.
1254	* basically, it only checks the that the head on space ax,ay at layer
1255	* needs to get sent - if so, it adds the data, sending the head
1256	* if needed, and returning 1. If this no data needs to get
1257	* sent, it returns zero.
1258	*/
1259	static int
1260	check_head (packet &sl, client &ns, int ax, int ay, int layer)
1261	{
1262	short face_num;
1263
1264	if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1265	face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1266	else
1267	face_num = 0;
1268
1269	if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1270	{
1271	sl << uint16 (face_num);
1272	if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1273	esrv_send_face (&ns, face_num, 0);
1274
1275	heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1276	ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1277	return 1;
1278	}
1279
1280	return 0; /* No change */
1281	}
1282		918
1283	/**	919	/**
1284	* Removes the need to replicate the same code for each layer.	920	* Removes the need to replicate the same code for each layer.
1285	* this returns true if this space is now in fact different than	921	* this returns true if this space is now in fact different than
1286	* it was.	922	* it was.
1287	* sl is the socklist this data is going into.	923	* sl is the socklist this data is going into.
1288	* ns is the socket we are working on - all the info we care	924	* ns is the socket we are working on - all the info we care
1289	* about is in this socket structure, so now need not pass the	925	* about is in this socket structure, so now need not pass the
1290	* entire player object.	926	* entire player object.
1291	* mx and my are map coordinate offsets for map mp
1292	* sx and sy are the offsets into the socket structure that
1293	* holds the old values.
1294	* layer is the layer to update, with 2 being the floor and 0 the	927	* layer is the layer to update, with 2 being the floor and 0 the
1295	* top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)	928	* top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)
1296	* take. Interesting to note that before this function, the map1 function	929	* take. Interesting to note that before this function, the map1 function
1297	* numbers the spaces differently - I think this was a leftover from	930	* numbers the spaces differently - I think this was a leftover from
1298	* the map command, where the faces stack up. Sinces that is no longer	931	* the map command, where the faces stack up. Sinces that is no longer
1299	* the case, it seems to make more sense to have these layer values	932	* the case, it seems to make more sense to have these layer values
1300	* actually match.	933	* actually match.
1301	*/	934	*/
1302	static int	935	static int
1303	update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer)	936	update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer)
1304	{	937	{
1305	object *ob, *head;	938	object *ob = ms.faces_obj [layer];
1306	uint16 face_num;
1307	int bx, by, i;
1308
1309	/* If there is a multipart object stored away, treat that as more important.
1310	* If not, then do the normal processing.
1311	*/
1312	head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1313
1314	/* Check to see if this head is part of the set of objects
1315	* we would normally send for this space. If so, then
1316	* don't use the head value. We need to do the check
1317	* here and not when setting up the heads[] value for two reasons -
1318	* 1) the heads[] values will get used even if the space is not visible.
1319	* 2) its possible the head is not on the same map as a part, and I'd
1320	* rather not need to do the map translation overhead.
1321	* 3) We need to do some extra checking to make sure that we will
1322	* otherwise send the image as this layer, eg, either it matches
1323	* the head value, or is not multipart.
1324	*/
1325	if (head && !head->more)
1326	{
1327	for (i = 0; i < MAP_LAYERS; i++)
1328	{
1329	ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1330	if (!ob)
1331	continue;
1332
1333	if (ob->head)
1334	ob = ob->head;
1335
1336	if (ob == head)
1337	{
1338	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1339	head = NULL;
1340	break;
1341	}
1342	}
1343	}
1344
1345	ob = head;
1346	if (!ob)
1347	ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1348		939
1349	/* If there is no object for this space, or if the face for the object	940	/* If there is no object for this space, or if the face for the object
1350	* is the blank face, set the face number to zero.	941	* is the blank face, set the face number to zero.
1351	* else if we have the stored head object for this space, that takes	942	* else if we have the stored head object for this space, that takes
1352	* precedence over the other object for this space.	943	* precedence over the other object for this space.
1353	* otherwise, we do special head processing	944	* otherwise, we do special head processing
1354	*/	945	*/
1355	if (!ob || ob->face == blank_face)	946	uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
1356	face_num = 0;
1357	else if (head)
1358	{
1359	/* if this is a head that had previously been stored */
1360	face_num = ob->face->number;
1361	}
1362	else
1363	{
1364	/* if the faces for the different parts of a multipart object
1365	* are the same, we only want to send the bottom right most
1366	* portion of the object. That info is in the tail_.. values
1367	* of the head. Note that for the head itself, ob->head will
1368	* be null, so we only do this block if we are working on
1369	* a tail piece.
1370	*/
1371
1372	/* tail_x and tail_y will only be set in the head object. If
1373	* this is the head object and these are set, we proceed
1374	* with logic to only send bottom right. Similarly, if
1375	* this is one of the more parts but the head has those values
1376	* set, we want to do the processing. There can be cases where
1377	* the head is not visible but one of its parts is, so we just
1378	* can always expect that ob->arch->tail_x will be true for all
1379	* object we may want to display.
1380	*/
1381	if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1382	{
1383
1384	if (ob->head)
1385	head = ob->head;
1386	else
1387	head = ob;
1388
1389	/* Basically figure out where the offset is from where we are right
1390	* now. the ob->arch->clone.{x,y} values hold the offset that this current
1391	* piece is from the head, and the tail is where the tail is from the
1392	* head. Note that bx and by will equal sx and sy if we are already working
1393	* on the bottom right corner. If ob is the head, the clone values
1394	* will be zero, so the right thing will still happen.
1395	*/
1396	bx = sx + head->arch->tail_x - ob->arch->clone.x;
1397	by = sy + head->arch->tail_y - ob->arch->clone.y;
1398
1399	/* I don't think this can ever happen, but better to check for it just
1400	* in case.
1401	*/
1402	if (bx < sx || by < sy)
1403	{
1404	LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1405	face_num = 0;
1406	}
1407	/* single part object, multipart object with non merged faces,
1408	* of multipart object already at lower right.
1409	*/
1410	else if (bx == sx && by == sy)
1411	{
1412	face_num = ob->face->number;
1413
1414	/* if this face matches one stored away, clear that one away.
1415	* this code relies on the fact that the map1 commands
1416	* goes from 2 down to 0.
1417	*/
1418	for (i = 0; i < MAP_LAYERS; i++)
1419	if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1420	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1421	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1422	}
1423	else
1424	{
1425	/* If this head is stored away, clear it - otherwise,
1426	* there can be cases where a object is on multiple layers -
1427	* we only want to send it once.
1428	*/
1429	face_num = head->face->number;
1430	for (i = 0; i < MAP_LAYERS; i++)
1431	if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1432	heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1433	heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1434
1435	/* First, try to put the new head on the same layer. If that is used up,
1436	* then find another layer.
1437	*/
1438	if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1439	{
1440	heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1441	}
1442	else
1443	for (i = 0; i < MAX_LAYERS; i++)
1444	{
1445	if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1446	heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1447	{
1448	heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1449	}
1450	}
1451	face_num = 0; /* Don't send this object - we'll send the head later */
1452	}
1453	}
1454	else
1455	{
1456	/* In this case, we are already at the lower right or single part object,
1457	* so nothing special
1458	*/
1459	face_num = ob->face->number;
1460
1461	/* clear out any head entries that have the same face as this one */
1462	for (bx = 0; bx < layer; bx++)
1463	if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1464	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1465	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1466	}
1467	} /* else not already head object or blank face */
1468
1469	/* This is a real hack. Basically, if we have nothing to send for this layer,
1470	* but there is a head on the next layer, send that instead.
1471	* Without this, what happens is you can get the case where the player stands
1472	* on the same space as the head. However, if you have overlapping big objects
1473	* of the same type, what happens then is it doesn't think it needs to send
1474	* This tends to make stacking also work/look better.
1475	*/
1476	if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1477	{
1478	face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1479	heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1480	}
1481
1482	/* Another hack - because of heads and whatnot, this face may match one
1483	* we already sent for a lower layer. In that case, don't send
1484	* this one.
1485	*/
1486	if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1487	face_num = 0;
1488		947
1489	/* We've gotten what face we want to use for the object. Now see if	948	/* We've gotten what face we want to use for the object. Now see if
1490	* if it has changed since we last sent it to the client.	949	* if it has changed since we last sent it to the client.
1491	*/	950	*/
1492	if (ns.lastmap.cells[sx][sy].faces[layer] != face_num)	951	if (lastcell.faces[layer] != face_num)
1493	{	952	{
1494	ns.lastmap.cells[sx][sy].faces[layer] = face_num;	953	lastcell.faces[layer] = face_num;
		954
1495	if (!(ns.faces_sent[face_num] & NS_FACESENT_FACE))	955	if (!ns.faces_sent[face_num])
		956	if (ob)
		957	ns.send_faces (ob);
		958	else
1496	esrv_send_face (&ns, face_num, 0);	959	ns.send_face (face_num);
1497		960
1498	sl << uint16 (face_num);	961	sl << uint16 (face_num);
1499	return 1;
1500	}
1501
1502	/* Nothing changed */
1503	return 0;
1504	}
1505
1506	/**
1507	* This function is mainly a copy of update_space,
1508	* except it handles update of the smoothing updates,
1509	* not the face updates.
1510	* Removes the need to replicate the same code for each layer.
1511	* this returns true if this smooth is now in fact different
1512	* than it was.
1513	* sl is the socklist this data is going into.
1514	* ns is the socket we are working on - all the info we care
1515	* about is in this socket structure, so know need to pass the
1516	* entire player object.
1517	* mx and my are map coordinate offsets for map mp
1518	* sx and sy are the offsets into the socket structure that
1519	* holds the old values.
1520	* layer is the layer to update, with 2 being the floor and 0 the
1521	* top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1522	* take.
1523	*/
1524
1525	static inline int
1526	update_smooth (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer)
1527	{
1528	object *ob;
1529	int smoothlevel; /* old face_num; */
1530
1531	ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1532
1533	/* If there is no object for this space, or if the face for the object
1534	* is the blank face, set the smoothlevel to zero.
1535	*/
1536	if (!ob || ob->face == blank_face || MAP_NOSMOOTH (mp))
1537	smoothlevel = 0;
1538	else
1539	{
1540	smoothlevel = ob->smoothlevel;
1541	if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1542	SendSmooth (&ns, ob->face->number);
1543	} /* else not already head object or blank face */
1544
1545	/* We've gotten what face we want to use for the object. Now see if
1546	* if it has changed since we last sent it to the client.
1547	*/
1548	if (smoothlevel > 255)
1549	smoothlevel = 255;
1550	else if (smoothlevel < 0)
1551	smoothlevel = 0;
1552
1553	if (ns.lastmap.cells[sx][sy].smooth[layer] != smoothlevel)
1554	{
1555	ns.lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1556	sl << uint8 (smoothlevel);
1557	return 1;	962	return 1;
1558	}	963	}
1559		964
1560	/* Nothing changed */	965	/* Nothing changed */
1561	return 0;	966	return 0;
…		…
1576	if (ns->EMI_smooth)	981	if (ns->EMI_smooth)
1577	result += 1; /*One byte for smoothlevel */	982	result += 1; /*One byte for smoothlevel */
1578	}	983	}
1579		984
1580	return result;	985	return result;
		986	}
		987
		988	// prefetch (and touch) all maps within a specific distancd
		989	static void
		990	prefetch_surrounding_maps (maptile *map, int distance)
		991	{
		992	map->last_access = runtime;
		993
		994	if (--distance)
		995	for (int dir = 4; --dir; )
		996	if (const shstr &path = map->tile_path [dir])
		997	if (maptile *&neigh = map->tile_map [dir])
		998	prefetch_surrounding_maps (neigh, distance);
		999	else
		1000	neigh = maptile::find_async (path, map);
		1001	}
		1002
		1003	// prefetch a generous area around the player
		1004	static void
		1005	prefetch_surrounding_maps (object *op)
		1006	{
		1007	prefetch_surrounding_maps (op->map, 3);
1581	}	1008	}
1582		1009
1583	/**	1010	/**
1584	* This function uses the new map1 protocol command to send the map	1011	* This function uses the new map1 protocol command to send the map
1585	* to the client. It is necessary because the old map command supports	1012	* to the client. It is necessary because the old map command supports
…		…
1591	* we need 2 bytes for coordinates and 2 bytes for faces, such a trade off	1018	* we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1592	* maps no sense. Instead, we actually really only use 12 bits for coordinates,	1019	* maps no sense. Instead, we actually really only use 12 bits for coordinates,
1593	* and use the other 4 bits for other informatiion. For full documentation	1020	* and use the other 4 bits for other informatiion. For full documentation
1594	* of what we send, see the doc/Protocol file.	1021	* of what we send, see the doc/Protocol file.
1595	* I will describe internally what we do:	1022	* I will describe internally what we do:
1596	* the socket->lastmap shows how the map last looked when sent to the client.	1023	* the ns->lastmap shows how the map last looked when sent to the client.
1597	* in the lastmap structure, there is a cells array, which is set to the	1024	* in the lastmap structure, there is a cells array, which is set to the
1598	* maximum viewable size (As set in config.h).	1025	* maximum viewable size (As set in config.h).
1599	* in the cells, there are faces and a count value.	1026	* in the cells, there are faces and a count value.
1600	* we use the count value to hold the darkness value. If -1, then this space	1027	* we use the count value to hold the darkness value. If -1, then this space
1601	* is not viewable.	1028	* is not viewable.
…		…
1603	* look like.	1030	* look like.
1604	*/	1031	*/
1605	void	1032	void
1606	draw_client_map1 (object *pl)	1033	draw_client_map1 (object *pl)
1607	{	1034	{
1608	int x, y, ax, ay, d, startlen, max_x, max_y, oldlen;	1035	int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1609	sint16 nx, ny;	1036	sint16 nx, ny;
1610	int estartlen, eoldlen;	1037	int estartlen, eoldlen;
1611	uint16 mask, emask;
1612	uint8 eentrysize;	1038	uint8 eentrysize;
1613	uint16 ewhatstart, ewhatflag;	1039	uint16 ewhatstart, ewhatflag;
1614	uint8 extendedinfos;	1040	uint8 extendedinfos;
1615	maptile *m;	1041	maptile *m;
1616		1042
1617	client &socket = *pl->contr->socket;	1043	client &socket = *pl->contr->ns;
		1044
		1045	if (!pl->active)
		1046	return;
1618		1047
1619	check_map_change (pl->contr);	1048	check_map_change (pl->contr);
		1049	prefetch_surrounding_maps (pl);
1620		1050
1621	packet sl;	1051	packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1622	packet esl;	1052	packet esl;
1623		1053
1624	sl << (socket.mapmode == Map1Cmd ? "map1 " : "map1a ");
1625	startlen = sl.length ();	1054	startlen = sl.length ();
1626		1055
1627	/*Extendedmapinfo structure initialisation */	1056	/*Extendedmapinfo structure initialisation */
1628	if (socket.ext_mapinfos)	1057	if (socket.ext_mapinfos)
1629	{	1058	{
…		…
1640	<< uint8 (extendedinfos)	1069	<< uint8 (extendedinfos)
1641	<< uint8 (eentrysize);	1070	<< uint8 (eentrysize);
1642		1071
1643	estartlen = esl.length ();	1072	estartlen = esl.length ();
1644	}	1073	}
1645	else
1646	{
1647	/* suppress compiler warnings */
1648	ewhatstart = 0;
1649	ewhatflag = 0;
1650	estartlen = 0;
1651	}
1652
1653	/* Init data to zero */
1654	memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1655		1074
1656	/* x,y are the real map locations. ax, ay are viewport relative	1075	/* x,y are the real map locations. ax, ay are viewport relative
1657	* locations.	1076	* locations.
1658	*/	1077	*/
1659	ay = 0;	1078	ay = 0;
…		…
1662	* but that started to get a bit messy to look at.	1081	* but that started to get a bit messy to look at.
1663	*/	1082	*/
1664	max_x = pl->x + (socket.mapx + 1) / 2;	1083	max_x = pl->x + (socket.mapx + 1) / 2;
1665	max_y = pl->y + (socket.mapy + 1) / 2;	1084	max_y = pl->y + (socket.mapy + 1) / 2;
1666		1085
1667	if (socket.mapmode == Map1aCmd)	1086	maptile *plmap = pl->map;
1668	{
1669	max_x += MAX_HEAD_OFFSET;
1670	max_y += MAX_HEAD_OFFSET;
1671	}
1672		1087
1673	for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)	1088	for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1674	{	1089	{
1675	ax = 0;	1090	ax = 0;
1676	for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)	1091	for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1677	{	1092	{
1678		1093	int emask, mask;
1679	emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;	1094	emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1680		1095
1681	/* If this space is out of the normal viewable area, we only check
1682	* the heads value ax or ay will only be greater than what
1683	* the client wants if using the map1a command - this is because
1684	* if the map1a command is not used, max_x and max_y will be
1685	* set to lower values.
1686	*/
1687	if (ax >= socket.mapx || ay >= socket.mapy)
1688	{
1689	int i, got_one;
1690
1691	oldlen = sl.length ();
1692
1693	sl << uint16 (mask);
1694
1695	if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1696	if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1697	if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1698
1699	/* If all we are doing is sending 0 (blank) faces, we don't
1700	* actually need to send that - just the coordinates
1701	* with no faces tells the client to blank out the
1702	* space.
1703	*/
1704	got_one = 0;
1705	for (i = oldlen + 2; i < sl.length (); i++)
1706	if (sl[i])
1707	got_one = 1;
1708
1709	if (got_one && (mask & 0xf))
1710	sl[oldlen + 1] = mask & 0xff;
1711	else
1712	{ /*either all faces blank, either no face at all */
1713	if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */
1714	sl.reset (oldlen + 2);
1715	else
1716	sl.reset (oldlen);
1717	}
1718
1719	/*What concerns extendinfos, nothing to be done for now
1720	* (perhaps effects layer later)
1721	*/
1722	continue; /* don't do processing below */
1723	}
1724
1725	MapCell &lastcell = socket.lastmap.cells[ax][ay];	1096	MapCell &lastcell = socket.lastmap.cells[ax][ay];
1726
1727	d = pl->contr->blocked_los[ax][ay];
1728		1097
1729	/* If the coordinates are not valid, or it is too dark to see,	1098	/* If the coordinates are not valid, or it is too dark to see,
1730	* we tell the client as such	1099	* we tell the client as such
1731	*/	1100	*/
1732	nx = x;	1101	nx = x;
1733	ny = y;	1102	ny = y;
1734	m = get_map_from_coord (pl->map, &nx, &ny);	1103	m = get_map_from_coord (plmap, &nx, &ny);
1735		1104
1736	if (!m)	1105	if (!m)
1737	{	1106	{
1738	/* space is out of map. Update space and clear values	1107	/* space is out of map. Update space and clear values
1739	* if this hasn't already been done. If the space is out	1108	* if this hasn't already been done. If the space is out
1740	* of the map, it shouldn't have a head	1109	* of the map, it shouldn't have a head
1741	*/	1110	*/
1742	if (lastcell.count != -1)	1111	if (lastcell.count != -1)
1743	{	1112	{
1744	sl << uint16 (mask);	1113	sl << uint16 (mask);
1745	map_clearcell (&lastcell, 0, 0, 0, -1);	1114	map_clearcell (&lastcell, -1);
1746	}	1115	}
		1116
		1117	continue;
1747	}	1118	}
		1119
		1120	m->touch ();
		1121
		1122	int d = pl->contr->blocked_los[ax][ay];
		1123
1748	else if (d > 3)	1124	if (d > 3)
1749	{	1125	{
		1126
1750	int need_send = 0, count;	1127	int need_send = 0, count;
1751		1128
1752	/* This block deals with spaces that are not visible for whatever	1129	/* This block deals with spaces that are not visible for whatever
1753	* reason. Still may need to send the head for this space.	1130	* reason. Still may need to send the head for this space.
1754	*/	1131	*/
1755		1132
1756	oldlen = sl.length ();	1133	oldlen = sl.length ();
1757		1134
1758	sl << uint16 (mask);	1135	sl << uint16 (mask);
…		…
1760	if (lastcell.count != -1)	1137	if (lastcell.count != -1)
1761	need_send = 1;	1138	need_send = 1;
1762		1139
1763	count = -1;	1140	count = -1;
1764		1141
1765	if (socket.mapmode == Map1aCmd && have_head (ax, ay))
1766	{
1767	/* Now check to see if any heads need to be sent */
1768
1769	if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1770	if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1771	if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1772
1773	lastcell.count = count;
1774	}
1775	else
1776	{
1777	/* properly clear a previously sent big face */	1142	/* properly clear a previously sent big face */
1778	if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0	1143	if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1779	|| lastcell.stat_hp || lastcell.flags || lastcell.player)	1144	|| lastcell.stat_hp || lastcell.flags || lastcell.player)
1780	need_send = 1;	1145	need_send = 1;
1781		1146
1782	map_clearcell (&lastcell, 0, 0, 0, count);	1147	map_clearcell (&lastcell, count);
1783	}
1784		1148
1785	if ((mask & 0xf) || need_send)	1149	if ((mask & 0xf) || need_send)
1786	sl[oldlen + 1] = mask & 0xff;	1150	sl[oldlen + 1] = mask & 0xff;
1787	else	1151	else
1788	sl.reset (oldlen);	1152	sl.reset (oldlen);
1789	}	1153	}
1790	else	1154	else
1791	{	1155	{
1792	/* In this block, the space is visible or there are head objects	1156	/* In this block, the space is visible.
1793	* we need to send.
1794	*/	1157	*/
1795		1158
1796	/* Rather than try to figure out what everything that we might	1159	/* Rather than try to figure out what everything that we might
1797	* need to send is, then form the packet after that,	1160	* need to send is, then form the packet after that,
1798	* we presume that we will in fact form a packet, and update	1161	* we presume that we will in fact form a packet, and update
…		…
1801	* is done.	1164	* is done.
1802	* I think this is simpler than doing a bunch of checks to see	1165	* I think this is simpler than doing a bunch of checks to see
1803	* what if anything we need to send, setting the bits, then	1166	* what if anything we need to send, setting the bits, then
1804	* doing those checks again to add the real data.	1167	* doing those checks again to add the real data.
1805	*/	1168	*/
1806	oldlen = sl.length ();	1169	oldlen = sl.length ();
1807	mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1808	eoldlen = esl.length ();	1170	eoldlen = esl.length ();
1809	emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;	1171
1810	sl << uint16 (mask);	1172	sl << uint16 (mask);
1811
1812	if (socket.ext_mapinfos)
1813	esl << uint16 (emask);
1814		1173
1815	unsigned char dummy;	1174	unsigned char dummy;
1816	unsigned char *last_ext = &dummy;	1175	unsigned char *last_ext = &dummy;
1817		1176
1818	/* Darkness changed */	1177	/* Darkness changed */
…		…
1830	sl << uint8 (255 - 64 * d);	1189	sl << uint8 (255 - 64 * d);
1831	}	1190	}
1832		1191
1833	lastcell.count = d;	1192	lastcell.count = d;
1834		1193
		1194	mapspace &ms = m->at (nx, ny);
		1195
1835	if (socket.extmap)	1196	if (socket.extmap)
1836	{	1197	{
1837	uint8 stat_hp = 0;	1198	uint8 stat_hp = 0;
1838	uint8 stat_width = 0;	1199	uint8 stat_width = 0;
1839	uint8 flags = 0;	1200	uint8 flags = 0;
1840	UUID player = 0;	1201	tag_t player = 0;
1841		1202
1842	// send hp information, if applicable	1203	// send hp information, if applicable
1843	if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0))	1204	if (object *op = ms.faces_obj [0])
1844	{	1205	{
1845	if (op->head || op->invisible)	1206	if (op->head || op->invisible)
1846	; // do not show	1207	; // do not show
1847	else if (op->type == PLAYER	1208	else if (op->type == PLAYER
1848	|| QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))	1209	|| QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
…		…
1886		1247
1887	mask |= 0x8;	1248	mask |= 0x8;
1888	*last_ext |= 0x80;	1249	*last_ext |= 0x80;
1889	last_ext = &sl[sl.length ()];	1250	last_ext = &sl[sl.length ()];
1890		1251
1891	sl << uint8 (0x47) << uint8 (8) << (uint64)player;	1252	sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1892	}	1253	}
1893		1254
1894	if (lastcell.flags != flags)	1255	if (lastcell.flags != flags)
1895	{	1256	{
1896	lastcell.flags = flags;	1257	lastcell.flags = flags;
…		…
1902	sl << uint8 (8) << uint8 (flags);	1263	sl << uint8 (8) << uint8 (flags);
1903	}	1264	}
1904	}	1265	}
1905		1266
1906	/* Floor face */	1267	/* Floor face */
1907	if (update_space (sl, socket, m, nx, ny, ax, ay, 2))	1268	if (update_space (sl, socket, ms, lastcell, 2))
1908	mask |= 0x4;	1269	mask |= 0x4;
1909		1270
1910	if (socket.EMI_smooth)
1911	if (update_smooth (esl, socket, m, nx, ny, ax, ay, 2))
1912	emask |= 0x4;
1913
1914	/* Middle face */	1271	/* Middle face */
1915	if (update_space (sl, socket, m, nx, ny, ax, ay, 1))	1272	if (update_space (sl, socket, ms, lastcell, 1))
1916	mask |= 0x2;	1273	mask |= 0x2;
1917		1274
1918	if (socket.EMI_smooth)	1275	if (ms.player () == pl
1919	if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1))	1276	&& (pl->invisible & (pl->invisible < 50 ? 1 : 7)))
1920	emask |= 0x2;
1921
1922	if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
1923	{	1277	{
		1278	// force player to be visible to himself if invisible
1924	if (lastcell.faces[0] != pl->face->number)	1279	if (lastcell.faces[0] != pl->face)
1925	{	1280	{
1926	lastcell.faces[0] = pl->face->number;	1281	lastcell.faces[0] = pl->face;
		1282
1927	mask |= 0x1;	1283	mask |= 0x1;
1928
1929	if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE))
1930	esrv_send_face (&socket, pl->face->number, 0);
1931
1932	sl << uint16 (pl->face->number);	1284	sl << uint16 (pl->face);
		1285
		1286	socket.send_faces (pl);
1933	}	1287	}
1934	}	1288	}
1935	else
1936	{
1937	/* Top face */	1289	/* Top face */
1938	if (update_space (sl, socket, m, nx, ny, ax, ay, 0))	1290	else if (update_space (sl, socket, ms, lastcell, 0))
1939	mask |= 0x1;	1291	mask |= 0x1;
1940
1941	if (socket.EMI_smooth)
1942	if (update_smooth (esl, socket, m, nx, ny, ax, ay, 0))
1943	emask |= 0x1;
1944	}	1292
1945		1293
1946	/* Check to see if we are in fact sending anything for this	1294	/* Check to see if we are in fact sending anything for this
1947	* space by checking the mask. If so, update the mask.	1295	* space by checking the mask. If so, update the mask.
1948	* if not, reset the len to that from before adding the mask	1296	* if not, reset the len to that from before adding the mask
1949	* value, so we don't send those bits.	1297	* value, so we don't send those bits.
…		…
1951	if (mask & 0xf)	1299	if (mask & 0xf)
1952	sl[oldlen + 1] = mask & 0xff;	1300	sl[oldlen + 1] = mask & 0xff;
1953	else	1301	else
1954	sl.reset (oldlen);	1302	sl.reset (oldlen);
1955		1303
		1304	if (socket.ext_mapinfos)
		1305	esl << uint16 (emask);
		1306
		1307	if (socket.EMI_smooth)
		1308	{
		1309	for (int layer = 2+1; layer--; )
		1310	{
		1311	object *ob = ms.faces_obj [layer];
		1312
		1313	// If there is no object for this space, or if the face for the object
		1314	// is the blank face, set the smoothlevel to zero.
		1315	int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
		1316
		1317	// We've gotten what face we want to use for the object. Now see if
		1318	// if it has changed since we last sent it to the client.
		1319	if (lastcell.smooth[layer] != smoothlevel)
		1320	{
		1321	lastcell.smooth[layer] = smoothlevel;
		1322	esl << uint8 (smoothlevel);
		1323	emask |= 1 << layer;
		1324	}
		1325	}
		1326
1956	if (emask & 0xf)	1327	if (emask & 0xf)
1957	esl[eoldlen + 1] = emask & 0xff;	1328	esl[eoldlen + 1] = emask & 0xff;
1958	else	1329	else
1959	esl.reset (eoldlen);	1330	esl.reset (eoldlen);
		1331	}
1960	} /* else this is a viewable space */	1332	} /* else this is a viewable space */
1961	} /* for x loop */	1333	} /* for x loop */
1962	} /* for y loop */	1334	} /* for y loop */
		1335
		1336	socket.flush_fx ();
1963		1337
1964	/* Verify that we in fact do need to send this */	1338	/* Verify that we in fact do need to send this */
1965	if (socket.ext_mapinfos)	1339	if (socket.ext_mapinfos)
1966	{	1340	{
1967	if (!(sl.length () > startlen || socket.sent_scroll))	1341	if (!(sl.length () > startlen || socket.sent_scroll))
1968	{	1342	{
1969	/* No map data will follow, so don't say the client	1343	/* No map data will follow, so don't say the client
1970	* it doesn't need draw!	1344	* it doesn't need draw!
1971	*/	1345	*/
1972	ewhatflag &= (~EMI_NOREDRAW);	1346	ewhatflag &= ~EMI_NOREDRAW;
1973	esl[ewhatstart + 1] = ewhatflag & 0xff;	1347	esl[ewhatstart + 1] = ewhatflag & 0xff;
1974	}	1348	}
1975		1349
1976	if (esl.length () > estartlen)	1350	if (esl.length () > estartlen)
1977	socket.send_packet (esl);	1351	socket.send_packet (esl);
…		…
1989	*/	1363	*/
1990	void	1364	void
1991	draw_client_map (object *pl)	1365	draw_client_map (object *pl)
1992	{	1366	{
1993	int i, j;	1367	int i, j;
1994	sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */	1368	sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1995	New_Face *face, *floor;
1996	New_Face *floor2;
1997	int d, mflags;	1369	int mflags;
1998	struct Map newmap;	1370	struct Map newmap;
1999	maptile *m, *pm;	1371	maptile *m, *pm;
2000		1372
2001	if (pl->type != PLAYER)	1373	if (pl->type != PLAYER)
2002	{	1374	{
…		…
2013	if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)	1385	if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)
2014	return;	1386	return;
2015		1387
2016	memset (&newmap, 0, sizeof (struct Map));	1388	memset (&newmap, 0, sizeof (struct Map));
2017		1389
2018	for (j = (pl->y - pl->contr->socket->mapy / 2); j < (pl->y + (pl->contr->socket->mapy + 1) / 2); j++)	1390	for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++)
2019	{
2020	for (i = (pl->x - pl->contr->socket->mapx / 2); i < (pl->x + (pl->contr->socket->mapx + 1) / 2); i++)	1391	for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++)
2021	{	1392	{
2022	ax = i;	1393	ax = i;
2023	ay = j;	1394	ay = j;
2024	m = pm;	1395	m = pm;
2025	mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);	1396	mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
2026		1397
2027	if (mflags & P_OUT_OF_MAP)	1398	if (mflags & P_OUT_OF_MAP)
2028	continue;	1399	continue;
2029		1400
2030	if (mflags & P_NEED_UPDATE)
2031	update_position (m, ax, ay);
2032
2033	/* If a map is visible to the player, we don't want to swap it out	1401	/* If a map is visible to the player, we don't want to swap it out
2034	* just to reload it. This should really call something like	1402	* just to reload it. This should really call something like
2035	* swap_map, but this is much more efficient and 'good enough'	1403	* swap_map, but this is much more efficient and 'good enough'
2036	*/	1404	*/
2037	if (mflags & P_NEW_MAP)	1405	if (mflags & P_NEW_MAP)
2038	m->timeout = 50;	1406	m->timeout = 50;
2039	}	1407	}
2040	}	1408
2041	/* do LOS after calls to update_position */	1409	/* do LOS after calls to update_position */
2042	if (pl->contr->do_los)	1410	if (pl->contr->do_los)
2043	{	1411	{
2044	update_los (pl);	1412	update_los (pl);
2045	pl->contr->do_los = 0;	1413	pl->contr->do_los = 0;
…		…
2060		1428
2061	/*****************************************************************************/	1429	/*****************************************************************************/
2062	void	1430	void
2063	send_plugin_custom_message (object *pl, char *buf)	1431	send_plugin_custom_message (object *pl, char *buf)
2064	{	1432	{
2065	pl->contr->socket->send_packet (buf);	1433	pl->contr->ns->send_packet (buf);
2066	}	1434	}
2067		1435
2068	/**	1436	/**
2069	* This sends the skill number to name mapping. We ignore	1437	* This sends the skill number to name mapping. We ignore
2070	* the params - we always send the same info no matter what.	1438	* the params - we always send the same info no matter what.
…		…
2115	* it then sends an updspell packet for each spell that has changed in this way	1483	* it then sends an updspell packet for each spell that has changed in this way
2116	*/	1484	*/
2117	void	1485	void
2118	esrv_update_spells (player *pl)	1486	esrv_update_spells (player *pl)
2119	{	1487	{
		1488	if (!pl->ns)
		1489	return;
		1490
2120	if (!pl->socket->monitor_spells)	1491	if (!pl->ns->monitor_spells)
2121	return;	1492	return;
2122		1493
2123	for (object *spell = pl->ob->inv; spell; spell = spell->below)	1494	for (object *spell = pl->ob->inv; spell; spell = spell->below)
2124	{	1495	{
2125	if (spell->type == SPELL)	1496	if (spell->type == SPELL)
…		…
2155		1526
2156	if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp);	1527	if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp);
2157	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace);	1528	if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace);
2158	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat);	1529	if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat);
2159		1530
2160	pl->socket->send_packet (sl);	1531	pl->ns->send_packet (sl);
2161	}	1532	}
2162	}	1533	}
2163	}	1534	}
2164	}	1535	}
2165		1536
2166	void	1537	void
2167	esrv_remove_spell (player *pl, object *spell)	1538	esrv_remove_spell (player *pl, object *spell)
2168	{	1539	{
2169	if (!pl->socket->monitor_spells)	1540	if (!pl->ns->monitor_spells)
2170	return;	1541	return;
2171		1542
2172	if (!pl || !spell || spell->env != pl->ob)	1543	if (!pl || !spell || spell->env != pl->ob)
2173	{	1544	{
2174	LOG (llevError, "Invalid call to esrv_remove_spell");	1545	LOG (llevError, "Invalid call to esrv_remove_spell");
2175	return;	1546	return;
2176	}	1547	}
2177		1548
2178	packet sl;	1549	packet sl ("delspell");
2179		1550
2180	sl << "delspell "
2181	<< uint32 (spell->count);	1551	sl << uint32 (spell->count);
2182		1552
2183	pl->socket->send_packet (sl);	1553	pl->ns->send_packet (sl);
2184	}	1554	}
2185		1555
2186	/* appends the spell *spell to the Socklist we will send the data to. */	1556	/* appends the spell *spell to the Socklist we will send the data to. */
2187	static void	1557	static void
2188	append_spell (player *pl, packet &sl, object *spell)	1558	append_spell (player *pl, packet &sl, object *spell)
2189	{	1559	{
2190	int len, i, skill = 0;	1560	int i, skill = 0;
2191		1561
2192	if (!(spell->name))	1562	if (!(spell->name))
2193	{	1563	{
2194	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);	1564	LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2195	return;	1565	return;
…		…
2207	if (!strcmp (spell->skill, skill_names[i]))	1577	if (!strcmp (spell->skill, skill_names[i]))
2208	{	1578	{
2209	skill = i + CS_STAT_SKILLINFO;	1579	skill = i + CS_STAT_SKILLINFO;
2210	break;	1580	break;
2211	}	1581	}
		1582	}
		1583
		1584	// spells better have a face
		1585	if (!spell->face)
		1586	{
		1587	LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
		1588	spell->face = face_find ("burnout.x11", blank_face);
2212	}	1589	}
2213		1590
2214	/* send the current values */	1591	/* send the current values */
2215	sl << uint32 (spell->count)	1592	sl << uint32 (spell->count)
2216	<< uint16 (spell->level)	1593	<< uint16 (spell->level)
…		…
2218	<< uint16 (spell->last_sp)	1595	<< uint16 (spell->last_sp)
2219	<< uint16 (spell->last_grace)	1596	<< uint16 (spell->last_grace)
2220	<< uint16 (spell->last_eat)	1597	<< uint16 (spell->last_eat)
2221	<< uint8 (skill)	1598	<< uint8 (skill)
2222	<< uint32 (spell->path_attuned)	1599	<< uint32 (spell->path_attuned)
2223	<< uint32 (spell->face ? spell->face->number : 0)	1600	<< uint32 (spell->face)
2224	<< data8 (spell->name)	1601	<< data8 (spell->name)
2225	<< data16 (spell->msg);	1602	<< data16 (spell->msg);
2226	}	1603	}
2227		1604
2228	/**	1605	/**
…		…
2236	{	1613	{
2237	LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");	1614	LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");
2238	return;	1615	return;
2239	}	1616	}
2240		1617
2241	if (!pl->socket->monitor_spells)	1618	if (!pl->ns->monitor_spells)
2242	return;	1619	return;
2243		1620
2244	packet sl;	1621	packet sl ("addspell");
2245	sl << "addspell ";
2246		1622
2247	if (!spell)	1623	if (!spell)
2248	{	1624	{
2249	for (spell = pl->ob->inv; spell != NULL; spell = spell->below)	1625	for (spell = pl->ob->inv; spell; spell = spell->below)
2250	{	1626	{
2251	/* were we to simply keep appending data here, we could exceed	1627	/* were we to simply keep appending data here, we could exceed
2252	* MAXSOCKBUF if the player has enough spells to add, we know that	1628	* MAXSOCKBUF if the player has enough spells to add, we know that
2253	* append_spells will always append 19 data bytes, plus 4 length	1629	* append_spells will always append 19 data bytes, plus 4 length
2254	* bytes and 3 strings (because that is the spec) so we need to	1630	* bytes and 3 strings (because that is the spec) so we need to
…		…
2264	if (spell->type != SPELL)	1640	if (spell->type != SPELL)
2265	continue;	1641	continue;
2266		1642
2267	if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))	1643	if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
2268	{	1644	{
2269	pl->socket->send_packet (sl);	1645	pl->ns->send_packet (sl);
2270		1646
2271	sl.reset ();	1647	sl.reset ();
2272	sl << "addspell ";	1648	sl << "addspell ";
2273	}	1649	}
2274		1650
…		…
2288	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");	1664	LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
2289	fatal (0);	1665	fatal (0);
2290	}	1666	}
2291		1667
2292	/* finally, we can send the packet */	1668	/* finally, we can send the packet */
2293	pl->socket->send_packet (sl);	1669	pl->ns->send_packet (sl);
2294	}	1670	}
2295		1671

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