ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/socket/image.C
(Generate patch)

Comparing deliantra/server/socket/image.C (file contents):
Revision 1.27 by root, Mon Mar 12 23:45:37 2007 UTC vs.
Revision 1.49 by root, Thu Jul 12 18:48:54 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (C) 2001 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * 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
9 * 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
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * 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
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * 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>
23 */ 22 */
24 23
25/** \file 24/** \file
26 * Image related communication 25 * Image related communication
27 * 26 *
… …
191 if (mask) 190 if (mask)
192 ns->facecache = 1; 191 ns->facecache = 1;
193} 192}
194 193
195/** 194/**
196 * Client has requested pixmap that it somehow missed getting. 195 * client requested an image. send it rate-limited
197 * This will be called often if the client is 196 * before flushing.
198 * caching images.
199 */ 197 */
200void 198void
201SendFaceCmd (char *buf, int len, client *ns) 199AskFaceCmd (char *buf, int len, client *ns)
202{ 200{
203 uint16 facenum = atoi (buf); 201 int idx = 0, pri = 0;
204 202
205 if (facenum != 0) 203 sscanf (buf, "%d %d", &idx, &pri);
206 esrv_send_face (ns, facenum, 1); 204
205 const facedata *d = face_data (idx, ns->faceset);
206
207 if (!d)
208 return; // doh
209
210 client::ixsend ix;
211
212 ix.pri = pri;
213 ix.idx = idx;
214 ix.ofs = d->data.size ();
215
216 auto (pos, ns->ixface.end ());
217
218 if (ns->fxix < 2)
219 {
220 // gcfclient does not support prioritising, older cfplus versions
221 // do not support interleaved transfers.
222 if (!ns->ixface.empty ())
223 pos = ns->ixface.end () - 1;
224 }
225 else
226 {
227 // the by far most common case will be to insert
228 // near the end, so little looping.
229 while (pos != ns->ixface.begin ())
230 {
231 --pos;
232
233 // sort within 2k bins, to slightly prefer smaller images
234 if (pri > pos->pri || (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11)))
235 {
236 ++pos;
237 break;
238 }
239 }
240 }
241
242 ns->ixface.insert (pos, ix);
243
244#if 0
245 for (auto (i, ns->ixface.begin ()); i != ns->ixface.end (); ++i)
246 fprintf (stderr, "<%d,%d> ", i->pri, i->ofs);
247 fprintf (stderr, "\n");
248#endif
249}
250
251/**
252 * Tells client the picture it has to use
253 * to smooth a picture number given as argument.
254 */
255void
256AskSmooth (char *buf, int len, client *ns)
257{
258 ns->send_face (atoi (buf));
259 ns->flush_fx ();
207} 260}
208 261
209// how lame 262// how lame
210static void print_facename (packet &sl, const facedata &d) 263static void print_facename (packet &sl, const facedata &d)
211{ 264{
212 for (int i = 0; i < CHKSUM_SIZE; ++i) 265 for (int i = 0; i < CHKSUM_SIZE; ++i)
213 sl.printf ("%02x", d.chksum [i]); 266 sl.printf ("%02x", d.chksum [i]);
214} 267}
215 268
216// gcfclient uses the server-provided checksum for comparison, 269// gcfclient uses the server-provided checksum for comparison, but always
217// but always wrotes a broken checksum to its cache file, so we 270// writes a broken checksum to its cache file, so we have to provide
218// have to provide gcfclient with a useless checksum just to 271// gcfclient with the same broken (and useless) checksum just to have it
219// have to cache the image despite its bugs. 272// cache the image despite its bugs.
220static uint32 gcfclient_checksum (const facedata *d) 273static uint32 gcfclient_checksum (const facedata *d)
221{ 274{
222 uint32 csum = 0; 275 uint32 csum = 0;
223 276
224 for (std::string::const_iterator i = d->data.begin (); 277 for (std::string::const_iterator i = d->data.begin ();
… …
239 * this is needed for the askface, in which we really do want to send the 292 * this is needed for the askface, in which we really do want to send the
240 * face (and askface is the only place that should be setting it). Otherwise, 293 * face (and askface is the only place that should be setting it). Otherwise,
241 * we look at the facecache, and if set, send the image name. 294 * we look at the facecache, and if set, send the image name.
242 */ 295 */
243void 296void
244esrv_send_face (client *ns, short face_num, int nocache) 297client::send_face (faceidx facenum)
245{ 298{
246 if (face_num <= 0 || face_num >= faces.size ()) 299 // never send face 0. ever. it does not exist.
300 if (!facenum)
301 return;
302
303 const facedata *d = face_data (facenum, faceset);
304
305 if (!d)
247 { 306 {
248 LOG (llevError, "esrv_send_face (%d) out of bounds??\n", face_num); 307 LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum);
249 return; 308 return;
250 } 309 }
251 310
252 const facedata *d = face_data (face_num, ns->faceset); 311 faceinfo *f = face_info (facenum);
312
313 // refuse tos end non-image faces
314 if (f->type)
315 return;
316
317 if (!must_send_face (facenum))
318 return;
319
320 // if for some reason we let a client without face caching connect,
321 // we better support that decision here and implement it.
322 if (!facecache)
323 return send_image (facenum);
324
325 if (fxix)
326 {
327 fxface.push_back (facenum);
328 return;
329 }
253 330
254 packet sl; 331 packet sl;
255 332
256 if (ns->facecache && !nocache)
257 {
258 if (ns->force_face0) 333 if (force_face0)
259 sl << "face " << uint16 (face_num); 334 sl << "face " << uint16 (facenum);
260 else if (ns->image2) 335 else if (image2)
261 sl << "face2 " << uint16 (face_num) << uint8 (0) << uint32 (ns->force_bad_checksum ? gcfclient_checksum (d) : 0); 336 sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
262 else
263 sl << "face1 " << uint16 (face_num) << uint32 (ns->force_bad_checksum ? gcfclient_checksum (d) : 0);
264
265 // how lame
266 print_facename (sl, *d);
267
268 ns->send_packet (sl);
269 }
270 else 337 else
338 sl << "face1 " << uint16 (facenum) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
339
340 // how lame
341 print_facename (sl, *d);
342 send_packet (sl);
343
344 if (EMI_smooth)
345 {
346 if (f->smooth)
347 {
348 send_face (f->smooth);
349
350 packet sl ("smooth");
351
352 sl << uint16 (facenum)
353 << uint16 (f->smooth);
354
355 send_packet (sl);
356 }
271 { 357 }
358}
359
360void client::flush_fx ()
361{
362 while (!fxface.empty ())
363 {
364 packet fx ("fx");
365 packet sx ("sx");
366
367 do
368 {
369 faceidx facenum = fxface.back (); fxface.pop_back ();
370
371 const facedata *d = face_data (facenum, faceset);
372
373 if (d)
374 {
375 fx << ber32 (facenum)
376 << data8 (d->chksum, CHKSUM_SIZE);
377
378 if (smoothing)
379 {
380 faceinfo *f = face_info (facenum);
381
382 if (f->smooth)
383 {
384 send_face (f->smooth);
385 sx << ber32 (facenum)
386 << ber32 (f->smooth)
387 << ber32 (f->smoothlevel);
388 }
389 }
390 }
391 }
392 while (!fxface.empty ()
393 && fx.room () > ber32::size + CHKSUM_SIZE + 1
394 && sx.room () > ber32::size * 3);
395
396 send_packet (fx);
397 if (sx.length () > 3) send_packet (sx);
398 }
399}
400
401void
402client::send_image (faceidx facenum)
403{
404 // never send face 0. ever. it does not exist.
405 if (!facenum)
406 return;
407
408 const facedata *d = face_data (facenum, faceset);
409
410 faces_sent[facenum] = true;
411
412 if (!d)
413 {
414 LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum);
415 return;
416 }
417
418 //TODO: check type here?
419
420 if (force_image_newmap)
421 force_newmap = true;
422
423 packet sl;
424
272 sl << (ns->image2 ? "image2 " : "image ") 425 sl << (image2 ? "image2 " : "image ")
273 << uint32 (face_num); 426 << uint32 (facenum);
274 427
275 if (ns->image2) 428 if (image2)
276 sl << uint8 (0); 429 sl << uint8 (0);
277 430
278 sl << uint32 (d->data.size ()) 431 sl << uint32 (d->data.size ())
279 << data (d->data.data (), d->data.size ()); 432 << data (d->data.data (), d->data.size ());
280 433
281 ns->send_packet (sl); 434 send_packet (sl);
435}
436
437// send all faces of this object to the client
438// this uses more bandwidth initially, but makes
439// animations look much smoother, and every client
440// is supposed to do client-side caching anyways.
441void
442client::send_faces (object *ob)
443{
444 send_face (ob->face);
445
446 if (ob->animation_id)
282 } 447 {
448 animation &anim = animations [ob->animation_id];
283 449
284 ns->faces_sent[face_num] |= NS_FACESENT_FACE; 450 for (int i = 0; i < anim.num_animations; i++)
451 send_face (anim.faces [i]);
452 }
453}
454
455/**
456 * Need to send an animation sequence to the client.
457 * We will send appropriate face commands to the client if we haven't
458 * sent them the face yet (this can become quite costly in terms of
459 * how much we are sending - on the other hand, this should only happen
460 * when the player logs in and picks stuff up.
461 */
462void
463client::send_animation (short anim_num)
464{
465 /* Do some checking on the anim_num we got. Note that the animations
466 * are added in contigous order, so if the number is in the valid
467 * range, it must be a valid animation.
468 */
469 if (anim_num < 0 || anim_num >= animations.size ())
470 {
471 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
472 return;
473 }
474
475 packet sl ("anim");
476
477 sl << uint16 (anim_num)
478 << uint16 (0); /* flags - not used right now */
479
480 /* Build up the list of faces. Also, send any information (ie, the
481 * the face itself) down to the client.
482 */
483 for (int i = 0; i < animations[anim_num].num_animations; i++)
484 {
485 send_face (animations[anim_num].faces[i]);
486 sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
487 }
488
489 send_packet (sl);
490
491 anims_sent[anim_num] = 1;
285} 492}
286 493
287/** 494/**
288 * Sends the number of images, checksum of the face file, 495 * Sends the number of images, checksum of the face file,
289 * and the image_info file information. See the doc/Developers/protocol 496 * and the image_info file information. See the doc/Developers/protocol
290 * if you want further detail. 497 * if you want further detail.
291 */ 498 */
292
293void 499void
294send_image_info (client *ns, char *params) 500send_image_info (client *ns, char *params)
295{ 501{
296 packet sl; 502 packet sl;
297 503
… …
336 542
337 sl.printf ("replyinfo image_sums %d %d ", start, stop); 543 sl.printf ("replyinfo image_sums %d %d ", start, stop);
338 544
339 for (int i = start; i <= stop && i < faces.size (); i++) 545 for (int i = start; i <= stop && i < faces.size (); i++)
340 { 546 {
341 ns->faces_sent[i] |= NS_FACESENT_FACE; 547 ns->faces_sent[i] = true;
342 548
343 const facedata *d = face_data (i, ns->faceset); 549 const facedata *d = face_data (i, ns->faceset);
344 550
345 if (sl.room () < 2 + 4 + 1 + d->data.size () + 1) 551 if (sl.room () < 2 + 4 + 1 + d->data.size () + 1)
346 break; 552 break;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines