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Comparing deliantra/server/socket/image.C (file contents):
Revision 1.30 by root, Wed Mar 14 01:19:10 2007 UTC vs.
Revision 1.47 by root, Thu Jul 12 08:40:14 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{
201 int idx = 0, pri = 0;
202
203 sscanf (buf, "%d %d", &idx, &pri);
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{
203 ns->send_face (atoi (buf), 1); 258 ns->send_face (atoi (buf));
259 ns->flush_fx ();
204} 260}
205 261
206// how lame 262// how lame
207static void print_facename (packet &sl, const facedata &d) 263static void print_facename (packet &sl, const facedata &d)
208{ 264{
209 for (int i = 0; i < CHKSUM_SIZE; ++i) 265 for (int i = 0; i < CHKSUM_SIZE; ++i)
210 sl.printf ("%02x", d.chksum [i]); 266 sl.printf ("%02x", d.chksum [i]);
211} 267}
212 268
213// gcfclient uses the server-provided checksum for comparison, 269// gcfclient uses the server-provided checksum for comparison, but always
214// 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
215// have to provide gcfclient with a useless checksum just to 271// gcfclient with the same broken (and useless) checksum just to have it
216// have to cache the image despite its bugs. 272// cache the image despite its bugs.
217static uint32 gcfclient_checksum (const facedata *d) 273static uint32 gcfclient_checksum (const facedata *d)
218{ 274{
219 uint32 csum = 0; 275 uint32 csum = 0;
220 276
221 for (std::string::const_iterator i = d->data.begin (); 277 for (std::string::const_iterator i = d->data.begin ();
… …
236 * 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
237 * 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,
238 * 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.
239 */ 295 */
240void 296void
241client::send_face (faceidx facenum, bool forced) 297client::send_face (faceidx facenum)
242{ 298{
243 // never send face 0. ever. it does not exist. 299 // never send face 0. ever. it does not exist.
244 if (!facenum) 300 if (!facenum)
245 return; 301 return;
246 302
… …
250 { 306 {
251 LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); 307 LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum);
252 return; 308 return;
253 } 309 }
254 310
311 if (!must_send_face (facenum))
312 return;
313
314 // if for some reason we let a client without face caching connect,
315 // we better support that decision here and implement it.
316 if (!facecache)
317 return send_image (facenum);
318
319 if (fxix)
320 {
321 fxface.push_back (facenum);
322 return;
323 }
324
255 packet sl; 325 packet sl;
256 326
257 if (facecache && !forced) 327 if (force_face0)
258 { 328 sl << "face " << uint16 (facenum);
259 if (faces_sent[facenum]) 329 else if (image2)
260 return; 330 sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
331 else
332 sl << "face1 " << uint16 (facenum) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
261 333
262 faces_sent[facenum] = true; 334 // how lame
335 print_facename (sl, *d);
336 send_packet (sl);
263 337
338 if (EMI_smooth)
339 {
264 faceinfo *f = face_info (facenum); 340 faceinfo *f = face_info (facenum);
265 if (f->smooth && EMI_smooth) 341
342 if (f->smooth)
266 { 343 {
267 send_face (f->smooth); 344 send_face (f->smooth);
268 345
269 packet sl ("smooth"); 346 packet sl ("smooth");
270 347
271 sl << uint16 (facenum) 348 sl << uint16 (facenum)
272 << uint16 (f->smooth); 349 << uint16 (f->smooth);
273 350
274 send_packet (sl); 351 send_packet (sl);
275 } 352 }
276
277 if (force_face0)
278 sl << "face " << uint16 (facenum);
279 else if (image2)
280 sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
281 else
282 sl << "face1 " << uint16 (facenum) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0);
283
284 // how lame
285 print_facename (sl, *d);
286 }
287 else
288 { 353 }
354}
355
356void client::flush_fx ()
357{
358 while (!fxface.empty ())
359 {
360 packet fx ("fx");
361 packet sx ("sx");
362
363 do
364 {
365 faceidx facenum = fxface.back (); fxface.pop_back ();
366
367 const facedata *d = face_data (facenum, faceset);
368
369 if (d)
370 {
371 fx << ber32 (facenum)
372 << data8 (d->chksum, CHKSUM_SIZE);
373
374 if (smoothing)
375 {
376 faceinfo *f = face_info (facenum);
377
378 if (f->smooth)
379 {
380 send_face (f->smooth);
381 sx << ber32 (facenum)
382 << ber32 (f->smooth)
383 << ber32 (f->smoothlevel);
384 }
385 }
386 }
387 }
388 while (!fxface.empty ()
389 && fx.room () > ber32::size + CHKSUM_SIZE + 1
390 && sx.room () > ber32::size * 3);
391
392 send_packet (fx);
393 if (sx.length () > 3) send_packet (sx);
394 }
395}
396
397void
398client::send_image (faceidx facenum)
399{
400 // never send face 0. ever. it does not exist.
401 if (!facenum)
402 return;
403
404 const facedata *d = face_data (facenum, faceset);
405
406 faces_sent[facenum] = true;
407
408 if (!d)
409 {
410 LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum);
411 return;
412 }
413
414 //TODO: check type here?
415
416 if (force_image_newmap)
417 force_newmap = true;
418
419 packet sl;
420
289 sl << (image2 ? "image2 " : "image ") 421 sl << (image2 ? "image2 " : "image ")
290 << uint32 (facenum); 422 << uint32 (facenum);
291 423
292 if (image2) 424 if (image2)
293 sl << uint8 (0); 425 sl << uint8 (0);
294 426
295 sl << uint32 (d->data.size ()) 427 sl << uint32 (d->data.size ())
296 << data (d->data.data (), d->data.size ()); 428 << data (d->data.data (), d->data.size ());
297 }
298 429
299 send_packet (sl); 430 send_packet (sl);
300} 431}
301 432
302// send all faces of this object to the client 433// send all faces of this object to the client
… …
329{ 460{
330 /* Do some checking on the anim_num we got. Note that the animations 461 /* Do some checking on the anim_num we got. Note that the animations
331 * are added in contigous order, so if the number is in the valid 462 * are added in contigous order, so if the number is in the valid
332 * range, it must be a valid animation. 463 * range, it must be a valid animation.
333 */ 464 */
334 if (anim_num < 0 || anim_num > num_animations) 465 if (anim_num < 0 || anim_num >= animations.size ())
335 { 466 {
336 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); 467 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
337 return; 468 return;
338 } 469 }
339 470

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