… | |
… | |
35 | #include <global.h> |
35 | #include <global.h> |
36 | #include <sproto.h> |
36 | #include <sproto.h> |
37 | |
37 | |
38 | #include "crc.h" |
38 | #include "crc.h" |
39 | |
39 | |
40 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
|
|
41 | |
|
|
42 | /** Information about one image */ |
|
|
43 | typedef struct FaceInfo |
|
|
44 | { |
|
|
45 | uint8 *data; /**< image data */ |
|
|
46 | uint16 datalen; /**< length of the xpm data */ |
|
|
47 | uint32 checksum; /**< Checksum of face data */ |
|
|
48 | } FaceInfo; |
|
|
49 | |
|
|
50 | /** Information about one face set */ |
|
|
51 | typedef struct |
|
|
52 | { |
|
|
53 | char *prefix; /**< */ |
|
|
54 | char *fullname; |
|
|
55 | |
|
|
56 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
|
|
57 | char *size; |
|
|
58 | char *extension; |
|
|
59 | char *comment; |
|
|
60 | |
|
|
61 | FaceInfo *faces; /**< images in this faceset */ |
|
|
62 | } FaceSets; |
|
|
63 | |
|
|
64 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
|
|
65 | |
|
|
66 | /** |
|
|
67 | * Checks specified faceset is valid |
|
|
68 | * \param fsn faceset number |
|
|
69 | */ |
|
|
70 | int |
|
|
71 | is_valid_faceset (int fsn) |
|
|
72 | { |
|
|
73 | if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) |
|
|
74 | return TRUE; |
|
|
75 | return FALSE; |
|
|
76 | } |
|
|
77 | |
|
|
78 | /** |
|
|
79 | * Frees all faceset information |
|
|
80 | */ |
|
|
81 | void |
|
|
82 | free_socket_images (void) |
|
|
83 | { |
|
|
84 | int num, q; |
|
|
85 | |
|
|
86 | for (num = 0; num < MAX_FACE_SETS; num++) |
|
|
87 | { |
|
|
88 | if (facesets[num].prefix) |
|
|
89 | { |
|
|
90 | for (q = 0; q < faces.size (); q++) |
|
|
91 | if (facesets[num].faces[q].data) |
|
|
92 | free (facesets[num].faces[q].data); |
|
|
93 | |
|
|
94 | free (facesets[num].prefix); |
|
|
95 | free (facesets[num].fullname); |
|
|
96 | free (facesets[num].size); |
|
|
97 | free (facesets[num].extension); |
|
|
98 | free (facesets[num].comment); |
|
|
99 | free (facesets[num].faces); |
|
|
100 | } |
|
|
101 | } |
|
|
102 | } |
|
|
103 | |
|
|
104 | /** |
|
|
105 | * This returns the set we will actually use when sending |
|
|
106 | * a face. This is used because the image files may be sparse. |
|
|
107 | * This function is recursive. imageno is the face number we are |
|
|
108 | * trying to send |
|
|
109 | * |
|
|
110 | * If face is not found in specified faceset, tries with 'fallback' faceset. |
|
|
111 | * |
|
|
112 | * \param faceset faceset to check |
|
|
113 | * \param imageno image number |
|
|
114 | * |
|
|
115 | */ |
|
|
116 | static int |
|
|
117 | get_face_fallback (int faceset, int imageno) |
|
|
118 | { |
|
|
119 | /* faceset 0 is supposed to have every image, so just return. Doing |
|
|
120 | * so also prevents infinite loops in the case if it not having |
|
|
121 | * the face, but in that case, we are likely to crash when we try |
|
|
122 | * to access the data, but that is probably preferable to an infinite |
|
|
123 | * loop. |
|
|
124 | */ |
|
|
125 | if (faceset == 0) |
|
|
126 | return 0; |
|
|
127 | |
|
|
128 | if (!facesets[faceset].prefix) |
|
|
129 | { |
|
|
130 | LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset); |
|
|
131 | return 0; /* use default set */ |
|
|
132 | } |
|
|
133 | |
|
|
134 | if (facesets[faceset].faces[imageno].data) |
|
|
135 | return faceset; |
|
|
136 | |
|
|
137 | return get_face_fallback (facesets[faceset].fallback, imageno); |
|
|
138 | } |
|
|
139 | |
|
|
140 | /** |
|
|
141 | * Checks fallback are correctly defined. |
|
|
142 | * This is a simple recursive function that makes sure the fallbacks |
|
|
143 | * are all proper (eg, the fall back to defined sets, and also |
|
|
144 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
|
|
145 | * if togo gets to zero, it means we have a loop. |
|
|
146 | * This is only run when we first load the facesets. |
|
|
147 | */ |
|
|
148 | static void |
|
|
149 | check_faceset_fallback (int faceset, int togo) |
|
|
150 | { |
|
|
151 | int fallback = facesets[faceset].fallback; |
|
|
152 | |
|
|
153 | /* proper case - falls back to base set */ |
|
|
154 | if (fallback == 0) |
|
|
155 | return; |
|
|
156 | |
|
|
157 | if (!facesets[fallback].prefix) |
|
|
158 | { |
|
|
159 | LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback); |
|
|
160 | abort (); |
|
|
161 | } |
|
|
162 | |
|
|
163 | togo--; |
|
|
164 | if (togo == 0) |
|
|
165 | { |
|
|
166 | LOG (llevError, "Infinite loop found in facesets. aborting.\n"); |
|
|
167 | abort (); |
|
|
168 | } |
|
|
169 | |
|
|
170 | check_faceset_fallback (fallback, togo); |
|
|
171 | } |
|
|
172 | |
|
|
173 | #define MAX_IMAGE_SIZE 10000 |
40 | #define MAX_IMAGE_SIZE 10000 |
174 | |
41 | |
175 | /** |
42 | /** |
176 | * Client tells us what type of faces it wants. Also sets |
43 | * Client tells us what type of faces it wants. Also sets |
177 | * the caching attribute. |
44 | * the caching attribute. |
… | |
… | |
199 | AskFaceCmd (char *buf, int len, client *ns) |
66 | AskFaceCmd (char *buf, int len, client *ns) |
200 | { |
67 | { |
201 | int idx = 0, pri = 0; |
68 | int idx = 0, pri = 0; |
202 | |
69 | |
203 | sscanf (buf, "%d %d", &idx, &pri); |
70 | sscanf (buf, "%d %d", &idx, &pri); |
|
|
71 | |
|
|
72 | //TODO: somehow fetch default priority from send_fx here |
204 | |
73 | |
205 | const facedata *d = face_data (idx, ns->faceset); |
74 | const facedata *d = face_data (idx, ns->faceset); |
206 | |
75 | |
207 | if (!d) |
76 | if (!d) |
208 | return; // doh |
77 | return; // doh |
… | |
… | |
253 | * to smooth a picture number given as argument. |
122 | * to smooth a picture number given as argument. |
254 | */ |
123 | */ |
255 | void |
124 | void |
256 | AskSmooth (char *buf, int len, client *ns) |
125 | AskSmooth (char *buf, int len, client *ns) |
257 | { |
126 | { |
258 | ns->send_face (atoi (buf)); |
127 | ns->send_face (atoi (buf), -100); |
259 | ns->flush_fx (); |
128 | ns->flush_fx (); |
260 | } |
129 | } |
261 | |
130 | |
262 | // how lame |
131 | // how lame |
263 | static void print_facename (packet &sl, const facedata &d) |
132 | static void print_facename (packet &sl, const facedata &d) |
… | |
… | |
292 | * 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 |
293 | * 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, |
294 | * 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. |
295 | */ |
164 | */ |
296 | void |
165 | void |
297 | client::send_face (faceidx facenum) |
166 | client::send_face (faceidx facenum, int pri) |
298 | { |
167 | { |
299 | // never send face 0. ever. it does not exist. |
168 | // never send face 0. ever. it does not exist. |
300 | if (!facenum) |
169 | if (!facenum) |
301 | return; |
170 | return; |
302 | |
171 | |
303 | const facedata *d = face_data (facenum, faceset); |
172 | faceinfo *f = face_info (facenum); |
304 | |
173 | |
305 | if (!d) |
174 | if (!f) |
306 | { |
175 | { |
307 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
176 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
308 | return; |
177 | return; |
309 | } |
178 | } |
310 | |
179 | |
311 | faceinfo *f = face_info (facenum); |
|
|
312 | |
|
|
313 | // refuse tos end non-image faces |
180 | // refuse to send non-image faces |
314 | if (f->type) |
181 | if (!fx_want [f->type]) |
315 | return; |
182 | return; |
316 | |
183 | |
317 | if (!must_send_face (facenum)) |
184 | if (faces_sent [facenum]) |
318 | return; |
185 | return; |
|
|
186 | |
|
|
187 | faces_sent[facenum] = true; |
319 | |
188 | |
320 | // if for some reason we let a client without face caching connect, |
189 | // if for some reason we let a client without face caching connect, |
321 | // we better support that decision here and implement it. |
190 | // we better support that decision here and implement it. |
322 | if (!facecache) |
191 | if (!facecache) |
323 | return send_image (facenum); |
192 | return send_image (facenum); |
… | |
… | |
325 | if (fxix) |
194 | if (fxix) |
326 | { |
195 | { |
327 | fxface.push_back (facenum); |
196 | fxface.push_back (facenum); |
328 | return; |
197 | return; |
329 | } |
198 | } |
|
|
199 | |
|
|
200 | const facedata *d = f->data (faceset); |
330 | |
201 | |
331 | packet sl; |
202 | packet sl; |
332 | |
203 | |
333 | if (force_face0) |
204 | if (force_face0) |
334 | sl << "face " << uint16 (facenum); |
205 | sl << "face " << uint16 (facenum); |
… | |
… | |
361 | { |
232 | { |
362 | while (!fxface.empty ()) |
233 | while (!fxface.empty ()) |
363 | { |
234 | { |
364 | packet fx ("fx"); |
235 | packet fx ("fx"); |
365 | packet sx ("sx"); |
236 | packet sx ("sx"); |
|
|
237 | int type = 0; |
366 | |
238 | |
367 | do |
239 | do |
368 | { |
240 | { |
369 | faceidx facenum = fxface.back (); fxface.pop_back (); |
241 | faceidx facenum = fxface.back (); fxface.pop_back (); |
370 | |
242 | |
371 | const facedata *d = face_data (facenum, faceset); |
243 | if (const faceinfo *f = face_info (facenum)) |
372 | |
|
|
373 | if (d) |
|
|
374 | { |
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 | |
375 | fx << ber32 (facenum) |
255 | fx << ber32 (facenum) |
376 | << data8 (d->chksum, CHKSUM_SIZE); |
256 | << data8 (d->chksum, CHKSUM_SIZE); |
377 | |
257 | |
378 | if (smoothing) |
258 | if (smoothing) |
379 | { |
259 | { |
380 | faceinfo *f = face_info (facenum); |
260 | faceinfo *f = face_info (facenum); |
381 | |
261 | |
382 | if (f->smooth) |
262 | if (f->smooth) |
383 | { |
263 | { |
384 | send_face (f->smooth); |
264 | send_face (f->smooth, -110); |
|
|
265 | |
385 | sx << ber32 (facenum) |
266 | sx << ber32 (facenum) |
386 | << ber32 (f->smooth) |
267 | << ber32 (f->smooth) |
387 | << ber32 (f->smoothlevel); |
268 | << ber32 (f->smoothlevel); |
388 | } |
269 | } |
389 | } |
270 | } |
390 | } |
271 | } |
391 | } |
272 | } |
392 | while (!fxface.empty () |
273 | while (!fxface.empty () |
393 | && fx.room () > ber32::size + CHKSUM_SIZE + 1 |
274 | && fx.room () > ber32::size + CHKSUM_SIZE + 1 + 3 /* type switch */ |
394 | && sx.room () > ber32::size * 3); |
275 | && sx.room () > ber32::size * 3); |
395 | |
276 | |
396 | send_packet (fx); |
277 | send_packet (fx); |
397 | if (sx.length () > 3) send_packet (sx); |
278 | if (sx.length () > 3) send_packet (sx); |
398 | } |
279 | } |
… | |
… | |
413 | { |
294 | { |
414 | LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum); |
295 | LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum); |
415 | return; |
296 | return; |
416 | } |
297 | } |
417 | |
298 | |
418 | //TODO: check type here? |
|
|
419 | |
|
|
420 | if (force_image_newmap) |
299 | if (force_image_newmap) |
421 | force_newmap = true; |
300 | force_newmap = true; |
422 | |
301 | |
423 | packet sl; |
302 | packet sl; |
424 | |
303 | |
… | |
… | |
439 | // animations look much smoother, and every client |
318 | // animations look much smoother, and every client |
440 | // is supposed to do client-side caching anyways. |
319 | // is supposed to do client-side caching anyways. |
441 | void |
320 | void |
442 | client::send_faces (object *ob) |
321 | client::send_faces (object *ob) |
443 | { |
322 | { |
444 | send_face (ob->face); |
323 | send_face (ob->face, 10); |
445 | |
324 | |
446 | if (ob->animation_id) |
325 | if (ob->animation_id) |
447 | { |
326 | { |
448 | animation &anim = animations [ob->animation_id]; |
327 | animation &anim = animations [ob->animation_id]; |
449 | |
328 | |
450 | for (int i = 0; i < anim.num_animations; i++) |
329 | for (int i = 0; i < anim.num_animations; i++) |
451 | send_face (anim.faces [i]); |
330 | send_face (anim.faces [i], -10); |
452 | } |
331 | } |
453 | } |
332 | } |
454 | |
333 | |
455 | /** |
334 | /** |
456 | * Need to send an animation sequence to the client. |
335 | * Need to send an animation sequence to the client. |
… | |
… | |
480 | /* Build up the list of faces. Also, send any information (ie, the |
359 | /* Build up the list of faces. Also, send any information (ie, the |
481 | * the face itself) down to the client. |
360 | * the face itself) down to the client. |
482 | */ |
361 | */ |
483 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
362 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
484 | { |
363 | { |
485 | send_face (animations[anim_num].faces[i]); |
364 | send_face (animations[anim_num].faces[i], -20); |
486 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
365 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
487 | } |
366 | } |
488 | |
367 | |
489 | send_packet (sl); |
368 | send_packet (sl); |
490 | |
369 | |
… | |
… | |
541 | } |
420 | } |
542 | |
421 | |
543 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
422 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
544 | |
423 | |
545 | for (int i = start; i <= stop && i < faces.size (); i++) |
424 | for (int i = start; i <= stop && i < faces.size (); i++) |
546 | { |
425 | if (const faceinfo *f = face_info (i)) |
|
|
426 | if (ns->fx_want [f->type]) |
|
|
427 | { |
547 | ns->faces_sent[i] = true; |
428 | ns->faces_sent[i] = true; |
548 | |
429 | |
549 | const facedata *d = face_data (i, ns->faceset); |
430 | const facedata *d = f->data (ns->faceset); |
550 | |
431 | |
551 | if (sl.room () < 2 + 4 + 1 + d->data.size () + 1) |
432 | if (sl.room () < 2 + 4 + 1 + d->data.size () + 1) |
552 | break; |
433 | break; |
553 | |
434 | |
554 | sl << uint16 (i) |
435 | sl << uint16 (i) |
555 | << uint32 (0) // checksum |
436 | << uint32 (0) // checksum |
556 | << uint8 (ns->faceset); |
437 | << uint8 (ns->faceset); |
557 | |
438 | |
558 | print_facename (sl, *d); sl << uint8 (0); |
439 | print_facename (sl, *d); sl << uint8 (0); |
559 | } |
440 | } |
560 | |
441 | |
561 | /* 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. |
562 | * 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 |
563 | * 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 |
564 | * support. |
445 | * support. |
565 | */ |
446 | */ |
566 | //TODO: taken care of above, should simply abort or make sure the above code is correct |
447 | //TODO: taken care of above, should simply abort or make sure the above code is correct |
567 | if (sl.length () >= MAXSOCKBUF) |
448 | if (sl.length () > MAXSOCKBUF) |
568 | { |
449 | { |
569 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
450 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
570 | abort (); |
451 | abort (); |
571 | } |
452 | } |
572 | |
453 | |