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

Comparing deliantra/server/socket/image.C (file contents):
Revision 1.6 by root, Wed Dec 13 21:27:09 2006 UTC vs.
Revision 1.53 by root, Tue Jul 31 20:08:21 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2001 Mark Wedel	5	* Copyright (©) 2001,2007 Mark Wedel
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT 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 3 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, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	The author can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/** \file	24	/** \file
25	* Image related communication	25	* Image related communication
26	*	26	*
27	* \date 2003-12-02	27	* \date 2003-12-02
33	*/	33	*/
34		34
35	#include <global.h>	35	#include <global.h>
36	#include <sproto.h>	36	#include <sproto.h>
37		37
38	#include <newclient.h>	38	#include "crc.h"
39	#include <newserver.h>
40	#include <loader.h>
41
42	#define MAX_FACE_SETS 20 /*< Maximum number of image sets the program will handle /
43
44	/** Information about one image */
45	typedef struct FaceInfo
46	{
47
48	uint8 data; /< image data /
49
50	uint16 datalen; /*< length of the xpm data /
51
52	uint32 checksum; /*< Checksum of face data /
53	} FaceInfo;
54
55	/** Information about one face set */
56	typedef struct
57	{
58
59	char prefix; /< /
60	char *fullname;
61
62	uint8 fallback; /*< faceset to use when an image is not found in this faceset /
63	char *size;
64	char *extension;
65	char *comment;
66
67	FaceInfo faces; /< images in this faceset /
68	} FaceSets;
69
70	static FaceSets facesets[MAX_FACE_SETS]; /*< All facesets /
71
72	/**
73	* Checks specified faceset is valid
74	* \param fsn faceset number
75	*/
76	int
77	is_valid_faceset (int fsn)
78	{
79	if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix)
80	return TRUE;
81	return FALSE;
82	}
83
84	/**
85	* Frees all faceset information
86	*/
87	void
88	free_socket_images (void)
89	{
90	int num, q;
91
92	for (num = 0; num < MAX_FACE_SETS; num++)
93	{
94	if (facesets[num].prefix)
95	{
96	for (q = 0; q < nrofpixmaps; q++)
97	if (facesets[num].faces[q].data)
98	free (facesets[num].faces[q].data);
99	free (facesets[num].prefix);
100	free (facesets[num].fullname);
101	free (facesets[num].size);
102	free (facesets[num].extension);
103	free (facesets[num].comment);
104	free (facesets[num].faces);
105	}
106	}
107	}
108
109	/**
110	* This returns the set we will actually use when sending
111	* a face. This is used because the image files may be sparse.
112	* This function is recursive. imageno is the face number we are
113	* trying to send
114	*
115	* If face is not found in specified faceset, tries with 'fallback' faceset.
116	*
117	* \param faceset faceset to check
118	* \param imageno image number
119	*
120	*/
121	static int
122	get_face_fallback (int faceset, int imageno)
123	{
124	/* faceset 0 is supposed to have every image, so just return. Doing
125	* so also prevents infinite loops in the case if it not having
126	* the face, but in that case, we are likely to crash when we try
127	* to access the data, but that is probably preferable to an infinite
128	* loop.
129	*/
130	if (faceset == 0)
131	return 0;
132
133	if (!facesets[faceset].prefix)
134	{
135	LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset);
136	return 0; /* use default set */
137	}
138	if (facesets[faceset].faces[imageno].data)
139	return faceset;
140	return get_face_fallback (facesets[faceset].fallback, imageno);
141	}
142
143	/**
144	* Checks fallback are correctly defined.
145	* This is a simple recursive function that makes sure the fallbacks
146	* are all proper (eg, the fall back to defined sets, and also
147	* eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS,
148	* if togo gets to zero, it means we have a loop.
149	* This is only run when we first load the facesets.
150	*/
151	static void
152	check_faceset_fallback (int faceset, int togo)
153	{
154	int fallback = facesets[faceset].fallback;
155
156	/* proper case - falls back to base set */
157	if (fallback == 0)
158	return;
159
160	if (!facesets[fallback].prefix)
161	{
162	LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback);
163	abort ();
164	}
165	togo--;
166	if (togo == 0)
167	{
168	LOG (llevError, "Infinite loop found in facesets. aborting.\n");
169	abort ();
170	}
171	check_faceset_fallback (fallback, togo);
172	}
173		39
174	#define MAX_IMAGE_SIZE 10000	40	#define MAX_IMAGE_SIZE 10000
175
176	/**
177	* Loads all the image types into memory.
178	*
179	* This way, we can easily send them to the client. We should really do something
180	* better than abort on any errors - on the other hand, these are all fatal
181	* to the server (can't work around them), but the abort just seems a bit
182	* messy (exit would probably be better.)
183	*
184	* Couple of notes: We assume that the faces are in a continous block.
185	* This works fine for now, but this could perhaps change in the future
186	*
187	* Function largely rewritten May 2000 to be more general purpose.
188	* The server itself does not care what the image data is - to the server,
189	* it is just data it needs to allocate. As such, the code is written
190	* to do such.
191	*/
192
193	void
194	read_client_images (void)
195	{
196	char filename[400];
197	char buf[HUGE_BUF];
198	char cp, cps[7];
199	FILE *infile;
200	int num, len, compressed, fileno, i, badline;
201
202	memset (facesets, 0, sizeof (facesets));
203	sprintf (filename, "%s/image_info", settings.datadir);
204	if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL)
205	{
206	LOG (llevError, "Unable to open %s\n", filename);
207	abort ();
208	}
209	while (fgets (buf, HUGE_BUF - 1, infile) != NULL)
210	{
211	badline = 0;
212
213	if (buf[0] == '#')
214	continue;
215	if (!(cps[0] = strtok (buf, ":")))
216	badline = 1;
217	for (i = 1; i < 7; i++)
218	{
219	if (!(cps[i] = strtok (NULL, ":")))
220	badline = 1;
221	}
222	if (badline)
223	{
224	LOG (llevError, "Bad line in image_info file, ignoring line:\n %s", buf);
225	}
226	else
227	{
228	len = atoi (cps[0]);
229	if (len >= MAX_FACE_SETS)
230	{
231	LOG (llevError, "To high a setnum in image_info file: %d > %d\n", len, MAX_FACE_SETS);
232	abort ();
233	}
234	facesets[len].prefix = strdup_local (cps[1]);
235	facesets[len].fullname = strdup_local (cps[2]);
236	facesets[len].fallback = atoi (cps[3]);
237	facesets[len].size = strdup_local (cps[4]);
238	facesets[len].extension = strdup_local (cps[5]);
239	facesets[len].comment = strdup_local (cps[6]);
240	}
241	}
242	close_and_delete (infile, compressed);
243	for (i = 0; i < MAX_FACE_SETS; i++)
244	{
245	if (facesets[i].prefix)
246	check_faceset_fallback (i, MAX_FACE_SETS);
247	}
248	/* Loaded the faceset information - now need to load up the
249	* actual faces.
250	*/
251
252	for (fileno = 0; fileno < MAX_FACE_SETS; fileno++)
253	{
254	/* if prefix is not set, this is not used */
255	if (!facesets[fileno].prefix)
256	continue;
257	facesets[fileno].faces = (FaceInfo *) calloc (nrofpixmaps, sizeof (FaceInfo));
258
259	sprintf (filename, "%s/crossfire.%d", settings.datadir, fileno);
260	LOG (llevDebug, "Loading image file %s\n", filename);
261
262	if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL)
263	{
264	LOG (llevError, "Unable to open %s\n", filename);
265	abort ();
266	}
267	while (fgets (buf, HUGE_BUF - 1, infile) != NULL)
268	{
269	if (strncmp (buf, "IMAGE ", 6) != 0)
270	{
271	LOG (llevError, "read_client_images:Bad image line - not IMAGE, instead\n%s", buf);
272	abort ();
273	}
274	num = atoi (buf + 6);
275	if (num < 0 \|\| num >= nrofpixmaps)
276	{
277	LOG (llevError, "read_client_images: Image num %d not in 0..%d\n%s", num, nrofpixmaps, buf);
278	abort ();
279	}
280	/* Skip accross the number data */
281	for (cp = buf + 6; *cp != ' '; cp++);
282	len = atoi (cp);
283	if (len == 0 \|\| len > MAX_IMAGE_SIZE)
284	{
285	LOG (llevError, "read_client_images: length not valid: %d > %d \n%s", len, MAX_IMAGE_SIZE, buf);
286	abort ();
287	}
288	/* We don't actualy care about the name of the image that
289	* is embedded in the image file, so just ignore it.
290	*/
291	facesets[fileno].faces[num].datalen = len;
292	facesets[fileno].faces[num].data = (uint8 *) malloc (len);
293	if ((i = fread (facesets[fileno].faces[num].data, len, 1, infile)) != 1)
294	{
295	LOG (llevError, "read_client_images: Did not read desired amount of data, wanted %d, got %d\n%s", len, i, buf);
296	abort ();
297	}
298	facesets[fileno].faces[num].checksum = 0;
299	for (i = 0; i < len; i++)
300	{
301	ROTATE_RIGHT (facesets[fileno].faces[num].checksum);
302	facesets[fileno].faces[num].checksum += facesets[fileno].faces[num].data[i];
303	facesets[fileno].faces[num].checksum &= 0xffffffff;
304	}
305	}
306	close_and_delete (infile, compressed);
307	} /* For fileno < MAX_FACE_SETS */
308	}
309		41
310	/**	42	/**
311	* Client tells us what type of faces it wants. Also sets	43	* Client tells us what type of faces it wants. Also sets
312	* the caching attribute.	44	* the caching attribute.
313	*	45	*
314	*/	46	*/
315
316	void	47	void
317	SetFaceMode (char buf, int len, NewSocket ns)	48	SetFaceMode (char buf, int len, client ns)
318	{	49	{
319	char tmp[256];
320
321	int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE);	50	int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE);
322		51
323	if (mode == CF_FACE_NONE)	52	if (mode == CF_FACE_NONE)
324	{
325	ns->facecache = 1;	53	ns->facecache = 1;
326	}
327	else if (mode != CF_FACE_PNG)	54	else if (mode != CF_FACE_PNG)
328	{
329	sprintf (tmp, "drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png");	55	ns->send_packet_printf ("drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png");
330	Write_String_To_Socket (ns, tmp, strlen (tmp));	56
331	#ifdef ESRV_DEBUG	57	if (mask)
332	LOG (llevDebug, "SetFaceMode: Invalid mode from client: %d\n", mode);	58	ns->facecache = 1;
		59	}
		60
		61	/**
		62	* client requested an image. send it rate-limited
		63	* before flushing.
		64	*/
		65	void
		66	AskFaceCmd (char buf, int len, client ns)
		67	{
		68	int idx = 0, pri = 0;
		69
		70	sscanf (buf, "%d %d", &idx, &pri);
		71
		72	//TODO: somehow fetch default priority from send_fx here
		73
		74	const facedata *d = face_data (idx, ns->faceset);
		75
		76	if (!d)
		77	return; // doh
		78
		79	client::ixsend ix;
		80
		81	ix.pri = pri;
		82	ix.idx = idx;
		83	ix.ofs = d->data.size ();
		84
		85	auto (pos, ns->ixface.end ());
		86
		87	if (ns->fxix < 2)
		88	{
		89	// gcfclient does not support prioritising, older cfplus versions
		90	// do not support interleaved transfers.
		91	if (!ns->ixface.empty ())
		92	pos = ns->ixface.end () - 1;
		93	}
		94	else
		95	{
		96	// the by far most common case will be to insert
		97	// near the end, so little looping.
		98	while (pos != ns->ixface.begin ())
		99	{
		100	--pos;
		101
		102	// sort within 2k bins, to slightly prefer smaller images
		103	if (pri > pos->pri \|\| (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11)))
		104	{
		105	++pos;
		106	break;
		107	}
		108	}
		109	}
		110
		111	ns->ixface.insert (pos, ix);
		112
		113	#if 0
		114	for (auto (i, ns->ixface.begin ()); i != ns->ixface.end (); ++i)
		115	fprintf (stderr, "<%d,%d> ", i->pri, i->ofs);
		116	fprintf (stderr, "\n");
333	#endif	117	#endif
		118	}
		119
		120	/**
		121	* Tells client the picture it has to use
		122	* to smooth a picture number given as argument.
		123	*/
		124	void
		125	AskSmooth (char buf, int len, client ns)
		126	{
		127	ns->send_face (atoi (buf), -100);
		128	ns->flush_fx ();
		129	}
		130
		131	// how lame
		132	static void print_facename (packet &sl, const facedata &d)
		133	{
		134	for (int i = 0; i < CHKSUM_SIZE; ++i)
		135	sl.printf ("%02x", d.chksum [i]);
		136	}
		137
		138	// gcfclient uses the server-provided checksum for comparison, but always
		139	// writes a broken checksum to its cache file, so we have to provide
		140	// gcfclient with the same broken (and useless) checksum just to have it
		141	// cache the image despite its bugs.
		142	static uint32 gcfclient_checksum (const facedata *d)
		143	{
		144	uint32 csum = 0;
		145
		146	for (std::string::const_iterator i = d->data.begin ();
		147	i != d->data.end ();
		148	++i)
334	}	149	{
335	if (mask)	150	csum = rotate_right (csum);
		151	csum += (uint8 )&*i;
336	{	152	}
337	ns->facecache = 1;
338	}
339	}
340		153
341	/**	154	return csum;
342	* Client has requested pixmap that it somehow missed getting.
343	* This will be called often if the client is
344	* caching images.
345	*/
346
347	void
348	SendFaceCmd (char buff, int len, NewSocket ns)
349	{
350	long tmpnum = atoi (buff);
351	short facenum = tmpnum & 0xffff;
352
353	if (facenum != 0)
354	esrv_send_face (ns, facenum, 1);
355	}	155	}
356		156
357	/**	157	/**
358	* Sends a face to a client if they are in pixmap mode	158	* Sends a face to a client if they are in pixmap mode
359	* nothing gets sent in bitmap mode.	159	* nothing gets sent in bitmap mode.
360	* If nocache is true (nonzero), ignore the cache setting from the client -	160	* If nocache is true (nonzero), ignore the cache setting from the client -
361	* this is needed for the askface, in which we really do want to send the	161	* this is needed for the askface, in which we really do want to send the
362	* face (and askface is the only place that should be setting it). Otherwise,	162	* face (and askface is the only place that should be setting it). Otherwise,
363	* we look at the facecache, and if set, send the image name.	163	* we look at the facecache, and if set, send the image name.
364	*/	164	*/
365
366	void	165	void
367	esrv_send_face (NewSocket *ns, short face_num, int nocache)	166	client::send_face (faceidx facenum, int pri)
368	{	167	{
369	char fallback;	168	// never send face 0. ever. it does not exist.
		169	if (!facenum)
		170	return;
370		171
371	if (face_num <= 0 \|\| face_num >= nrofpixmaps)	172	faceinfo *f = face_info (facenum);
		173
		174	if (!f)
372	{	175	{
373	LOG (llevError, "esrv_send_face (%d) out of bounds??\n", face_num);	176	LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum);
374	return;	177	return;
375	}	178	}
376		179
377	SockList sl (MAXSOCKBUF);	180	// refuse to send non-image faces
378	fallback = get_face_fallback (ns->faceset, face_num);	181	if (!fx_want [f->type])
		182	return;
379		183
380	if (facesets[fallback].faces[face_num].data == NULL)	184	if (faces_sent [facenum])
		185	return;
		186
		187	faces_sent[facenum] = true;
		188
		189	// if for some reason we let a client without face caching connect,
		190	// we better support that decision here and implement it.
		191	if (!facecache)
		192	return send_image (facenum);
		193
		194	if (fxix)
381	{	195	{
382	LOG (llevError, "esrv_send_face: faces[%d].data == NULL\n", face_num);	196	fxface.push_back (facenum);
383	return;	197	return;
384	}	198	}
385		199
386	if (ns->facecache && !nocache)	200	const facedata *d = f->data (faceset);
387	{
388	sl << (ns->image2 ? "face2 " : "face1 ")
389	<< uint16 (face_num);
390		201
391	if (ns->image2)	202	packet sl;
392	sl << uint8 (fallback);
393		203
394	sl << uint32 (facesets[fallback].faces[face_num].checksum)	204	if (force_face0)
395	<< new_faces[face_num].name;	205	sl << "face " << uint16 (facenum);
396		206	else if (image2)
397	Send_With_Handling (ns, &sl);	207	sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
398	}
399	else	208	else
		209	sl << "face1 " << uint16 (facenum) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
		210
		211	// how lame
		212	print_facename (sl, *d);
		213	send_packet (sl);
		214
		215	if (EMI_smooth)
		216	{
		217	if (f->smooth)
		218	{
		219	send_face (f->smooth);
		220
		221	packet sl ("smooth");
		222
		223	sl << uint16 (facenum)
		224	<< uint16 (f->smooth);
		225
		226	send_packet (sl);
		227	}
400	{	228	}
		229	}
		230
		231	void client::flush_fx ()
		232	{
		233	while (!fxface.empty ())
		234	{
		235	packet fx ("fx");
		236	packet sx ("sx");
		237	int type = 0;
		238
		239	do
		240	{
		241	faceidx facenum = fxface.back (); fxface.pop_back ();
		242
		243	if (const faceinfo *f = face_info (facenum))
		244	{
		245	if (f->type != type)
		246	{
		247	type = f->type;
		248
		249	fx << ber32 (0)
		250	<< uint8 (1) << uint8 (type);
		251	}
		252
		253	const facedata *d = f->data (faceset);
		254
		255	fx << ber32 (facenum)
		256	<< data8 (d->chksum, CHKSUM_SIZE);
		257
		258	if (smoothing)
		259	{
		260	faceinfo *f = face_info (facenum);
		261
		262	if (f->smooth)
		263	{
		264	send_face (f->smooth, -110);
		265
		266	sx << ber32 (facenum)
		267	<< ber32 (f->smooth)
		268	<< ber32 (f->smoothlevel);
		269	}
		270	}
		271	}
		272	}
		273	while (!fxface.empty ()
		274	&& fx.room () > ber32::size + CHKSUM_SIZE + 1 + 3 /* type switch */
		275	&& sx.room () > ber32::size * 3);
		276
		277	send_packet (fx);
		278	if (sx.length () > 3) send_packet (sx);
		279	}
		280	}
		281
		282	void
		283	client::send_image (faceidx facenum)
		284	{
		285	// never send face 0. ever. it does not exist.
		286	if (!facenum)
		287	return;
		288
		289	const facedata *d = face_data (facenum, faceset);
		290
		291	faces_sent[facenum] = true;
		292
		293	if (!d)
		294	{
		295	LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum);
		296	return;
		297	}
		298
		299	if (force_image_newmap)
		300	force_newmap = true;
		301
		302	packet sl;
		303
401	sl << (ns->image2 ? "image2 " : "image ")	304	sl << (image2 ? "image2 " : "image ")
402	<< uint32 (face_num);	305	<< uint32 (facenum);
403		306
404	if (ns->image2)	307	if (image2)
405	sl << uint8 (fallback);	308	sl << uint8 (0);
406		309
407	sl << uint32 (facesets[fallback].faces[face_num].datalen)	310	sl << uint32 (d->data.size ())
408	<< data (facesets[fallback].faces[face_num].data, facesets[fallback].faces[face_num].datalen);	311	<< data (d->data.data (), d->data.size ());
409		312
410	Send_With_Handling (ns, &sl);	313	send_packet (sl);
		314	}
		315
		316	// send all faces of this object to the client
		317	// this uses more bandwidth initially, but makes
		318	// animations look much smoother, and every client
		319	// is supposed to do client-side caching anyways.
		320	void
		321	client::send_faces (object *ob)
		322	{
		323	send_face (ob->face, 10);
		324
		325	if (ob->animation_id)
411	}	326	{
		327	animation &anim = animations [ob->animation_id];
412		328
413	ns->faces_sent[face_num] \|= NS_FACESENT_FACE;	329	for (int i = 0; i < anim.num_animations; i++)
414	sl.free ();	330	send_face (anim.faces [i], -10);
		331	}
		332	}
		333
		334	/**
		335	* Need to send an animation sequence to the client.
		336	* We will send appropriate face commands to the client if we haven't
		337	* sent them the face yet (this can become quite costly in terms of
		338	* how much we are sending - on the other hand, this should only happen
		339	* when the player logs in and picks stuff up.
		340	*/
		341	void
		342	client::send_animation (short anim_num)
		343	{
		344	/* Do some checking on the anim_num we got. Note that the animations
		345	* are added in contigous order, so if the number is in the valid
		346	* range, it must be a valid animation.
		347	*/
		348	if (anim_num < 0 \|\| anim_num >= animations.size ())
		349	{
		350	LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
		351	return;
		352	}
		353
		354	packet sl ("anim");
		355
		356	sl << uint16 (anim_num)
		357	<< uint16 (0); /* flags - not used right now */
		358
		359	/* Build up the list of faces. Also, send any information (ie, the
		360	* the face itself) down to the client.
		361	*/
		362	for (int i = 0; i < animations[anim_num].num_animations; i++)
		363	{
		364	send_face (animations[anim_num].faces[i], -20);
		365	sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
		366	}
		367
		368	send_packet (sl);
		369
		370	anims_sent[anim_num] = 1;
415	}	371	}
416		372
417	/**	373	/**
418	* Sends the number of images, checksum of the face file,	374	* Sends the number of images, checksum of the face file,
419	* and the image_info file information. See the doc/Developers/protocol	375	* and the image_info file information. See the doc/Developers/protocol
420	* if you want further detail.	376	* if you want further detail.
421	*/	377	*/
422
423	void	378	void
424	send_image_info (NewSocket * ns, char *params)	379	send_image_info (client ns, char params)
425	{	380	{
426	SockList sl (MAXSOCKBUF);	381	packet sl;
427		382
428	sl.printf ("replyinfo image_info\n%d\n%d\n", nrofpixmaps - 1, bmaps_checksum);	383	//TODO: second parameter is a checksum, but it makes no sense in this current framework
		384	sl.printf ("replyinfo image_info\n%d\n%u\n", MAX_FACES, 0);
429		385
430	for (int i = 0; i < MAX_FACE_SETS; i++)	386	sl << "0:base:standard:0:32x32:none:The old 32x32 faceset.\n";
431	if (facesets[i].prefix)
432	sl.printf ("%d:%s:%s:%d:%s:%s:%s",
433	i, facesets[i].prefix, facesets[i].fullname, facesets[i].fallback,
434	facesets[i].size, facesets[i].extension, facesets[i].comment);
435		387
436	Send_With_Handling (ns, &sl);	388	ns->send_packet (sl);
437	sl.free ();
438	}	389	}
439		390
440	/**	391	/**
441	* Sends requested face information.	392	* Sends requested face information.
442	* \param ns socket to send to	393	* \param ns socket to send to
…		…
445	* For each image in [start..stop] sends	396	* For each image in [start..stop] sends
446	* - checksum	397	* - checksum
447	* - name	398	* - name
448	*/	399	*/
449	void	400	void
450	send_image_sums (NewSocket * ns, char *params)	401	send_image_sums (client ns, char params)
451	{	402	{
452	int start, stop;	403	int start, stop;
453	char *cp, buf[MAX_BUF];	404	char *cp;
454		405
455	SockList sl (MAXSOCKBUF);	406	packet sl;
456		407
457	start = atoi (params);	408	start = atoi (params);
458	for (cp = params; *cp != '\0'; cp++)	409	for (cp = params; *cp != '\0'; cp++)
459	if (*cp == ' ')	410	if (*cp == ' ')
460	break;	411	break;
461		412
462	stop = atoi (cp);	413	stop = atoi (cp);
463	if (stop < start \|\| *cp == '\0' \|\| (stop - start) > 1000 \|\| stop >= nrofpixmaps)	414	if (stop < start \|\| *cp == '\0' \|\| (stop - start) > 1000 \|\| stop >= MAX_FACES)
464	{	415	{
465	sprintf (buf, "replyinfo image_sums %d %d", start, stop);	416	sl.printf ("replyinfo image_sums %d %d", start, stop);
466	cs_write_string (ns, buf, strlen (buf));	417	ns->send_packet (sl);
		418	sl.reset ();
467	return;	419	return;
468	}	420	}
469		421
470	sl.printf ("replyinfo image_sums %d %d ", start, stop);	422	sl.printf ("replyinfo image_sums %d %d ", start, stop);
471		423
472	for (int i = start; i <= stop; i++)	424	for (int i = start; i <= stop && i < faces.size (); i++)
473	{	425	if (const faceinfo *f = face_info (i))
474	ns->faces_sent[i] \|= NS_FACESENT_FACE;	426	if (ns->fx_want [f->type])
		427	{
		428	ns->faces_sent[i] = true;
475		429
476	int qq = get_face_fallback (ns->faceset, i);	430	const facedata *d = f->data (ns->faceset);
477		431
		432	if (sl.room () < 2 + 4 + 1 + d->data.size () + 1)
		433	break;
		434
478	sl << uint16 (i)	435	sl << uint16 (i)
479	<< uint32 (facesets[qq].faces[i].checksum)	436	<< uint32 (0) // checksum
480	<< uint8 (qq)	437	<< uint8 (ns->faceset);
481	<< data8 (&new_faces[i].name, new_faces[i].name.length () + 1);	438
482	}	439	print_facename (sl, *d); sl << uint8 (0);
		440	}
483		441
484	/* It would make more sense to catch this pre-emptively in the code above.	442	/* It would make more sense to catch this pre-emptively in the code above.
485	* however, if this really happens, we probably just want to cut down the	443	* however, if this really happens, we probably just want to cut down the
486	* size to less than 1000, since that is what we claim the protocol would	444	* size to less than 1000, since that is what we claim the protocol would
487	* support.	445	* support.
488	*/	446	*/
		447	//TODO: taken care of above, should simply abort or make sure the above code is correct
489	if (sl.len >= MAXSOCKBUF)	448	if (sl.length () > MAXSOCKBUF)
490	{	449	{
491	LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.len, MAXSOCKBUF);	450	LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF);
492	abort ();	451	abort ();
493	}	452	}
494		453
495	Send_With_Handling (ns, &sl);	454	ns->send_packet (sl);
496	sl.free ();
497	}	455	}
498		456

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Comparing deliantra/server/socket/image.C (file contents): Revision 1.6 by root, Wed Dec 13 21:27:09 2006 UTC vs. Revision 1.53 by root, Tue Jul 31 20:08:21 2007 UTC

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Comparing deliantra/server/socket/image.C (file contents):
Revision 1.6 by root, Wed Dec 13 21:27:09 2006 UTC vs.
Revision 1.53 by root, Tue Jul 31 20:08:21 2007 UTC