| 1 | /* |
1 | /* |
| 2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 | * |
3 | * |
| 4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) 2001,2007 Mark Wedel |
5 | * Copyright (©) 2001 Mark Wedel |
| 6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992 Frank Tore Johansen |
| 7 | * |
7 | * |
| 8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 9 | * it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
| 10 | * the Free Software Foundation, either version 3 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
| 11 | * (at your option) any later version. |
11 | * 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 Affero GNU General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 | * and the GNU General Public License along with this program. If not, see |
|
|
20 | * <http://www.gnu.org/licenses/>. |
| 20 | * |
21 | * |
| 21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 22 | */ |
23 | */ |
| 23 | |
24 | |
| 24 | /** \file |
25 | /* |
| 25 | * Image related communication |
26 | * Image related communication |
| 26 | * |
|
|
| 27 | * \date 2003-12-02 |
|
|
| 28 | * |
27 | * |
| 29 | * This file deals with the image related communication to the |
28 | * This file deals with the image related communication to the |
| 30 | * client. I've located all the functions in this file - this |
29 | * client. I've located all the functions in this file - this |
| 31 | * localizes it more, and means that we don't need to declare |
30 | * localizes it more, and means that we don't need to declare |
| 32 | * things like all the structures as globals. |
31 | * things like all the structures as globals. |
| … | |
… | |
| 35 | #include <global.h> |
34 | #include <global.h> |
| 36 | #include <sproto.h> |
35 | #include <sproto.h> |
| 37 | |
36 | |
| 38 | #include "crc.h" |
37 | #include "crc.h" |
| 39 | |
38 | |
| 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 |
39 | #define MAX_IMAGE_SIZE 10000 |
| 174 | |
|
|
| 175 | /** |
|
|
| 176 | * Client tells us what type of faces it wants. Also sets |
|
|
| 177 | * the caching attribute. |
|
|
| 178 | * |
|
|
| 179 | */ |
|
|
| 180 | void |
|
|
| 181 | SetFaceMode (char *buf, int len, client *ns) |
|
|
| 182 | { |
|
|
| 183 | int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE); |
|
|
| 184 | |
|
|
| 185 | if (mode == CF_FACE_NONE) |
|
|
| 186 | ns->facecache = 1; |
|
|
| 187 | else if (mode != CF_FACE_PNG) |
|
|
| 188 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png"); |
|
|
| 189 | |
|
|
| 190 | if (mask) |
|
|
| 191 | ns->facecache = 1; |
|
|
| 192 | } |
|
|
| 193 | |
40 | |
| 194 | /** |
41 | /** |
| 195 | * client requested an image. send it rate-limited |
42 | * client requested an image. send it rate-limited |
| 196 | * before flushing. |
43 | * before flushing. |
| 197 | */ |
44 | */ |
| … | |
… | |
| 200 | { |
47 | { |
| 201 | int idx = 0, pri = 0; |
48 | int idx = 0, pri = 0; |
| 202 | |
49 | |
| 203 | sscanf (buf, "%d %d", &idx, &pri); |
50 | sscanf (buf, "%d %d", &idx, &pri); |
| 204 | |
51 | |
| 205 | const facedata *d = face_data (idx, ns->faceset); |
52 | //TODO: somehow fetch default priority from send_fx here |
| 206 | |
53 | |
|
|
54 | const faceinfo *f = face_info (idx); |
|
|
55 | |
| 207 | if (!d) |
56 | if (!f) |
| 208 | return; // doh |
57 | return; // doh |
| 209 | |
58 | |
|
|
59 | int set = ns->tileset; |
|
|
60 | |
|
|
61 | if (!f->face [set].chksum_len) |
|
|
62 | set = 0; |
|
|
63 | |
|
|
64 | /* cfperl_ix calls cf::face::ix which loads the data */ |
|
|
65 | /* and then calls cf::client::send_ix to actually queue the ix */ |
|
|
66 | cfperl_ix (ns, set, idx, pri); |
|
|
67 | } |
|
|
68 | |
|
|
69 | void |
|
|
70 | client::ix_send (faceidx idx, sint16 pri, SV *data_sv) |
|
|
71 | { |
|
|
72 | STRLEN size; |
|
|
73 | char *data = SvPVbyte (data_sv, size); |
| 210 | client::ixsend ix; |
74 | ixsend ix; |
| 211 | |
75 | |
| 212 | ix.pri = pri; |
76 | ix.pri = pri; |
| 213 | ix.idx = idx; |
77 | ix.idx = idx; |
| 214 | ix.ofs = d->data.size (); |
78 | ix.ofs = size; |
|
|
79 | ix.data = (uint8 *)data; |
|
|
80 | ix.data_sv = SvREFCNT_inc (data_sv); |
| 215 | |
81 | |
| 216 | auto (pos, ns->ixface.end ()); |
82 | auto (pos, ixface.end ()); |
| 217 | |
83 | |
| 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 |
84 | // the by far most common case will be to insert |
| 228 | // near the end, so little looping. |
85 | // near the end, so little looping. |
| 229 | while (pos != ns->ixface.begin ()) |
86 | while (pos != ixface.begin ()) |
|
|
87 | { |
|
|
88 | --pos; |
|
|
89 | |
|
|
90 | // sort within 2k bins, to slightly prefer smaller images |
|
|
91 | if (pri > pos->pri || (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11))) |
| 230 | { |
92 | { |
| 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; |
93 | ++pos; |
| 237 | break; |
94 | break; |
| 238 | } |
|
|
| 239 | } |
95 | } |
| 240 | } |
96 | } |
| 241 | |
97 | |
| 242 | ns->ixface.insert (pos, ix); |
98 | ixface.insert (pos, ix); |
| 243 | |
99 | |
| 244 | #if 0 |
100 | #if 0 |
| 245 | for (auto (i, ns->ixface.begin ()); i != ns->ixface.end (); ++i) |
101 | for (auto (i, ixface.begin ()); i != ixface.end (); ++i) |
| 246 | fprintf (stderr, "<%d,%d> ", i->pri, i->ofs); |
102 | fprintf (stderr, "<%d,%d> ", i->pri, i->ofs); |
| 247 | fprintf (stderr, "\n"); |
103 | fprintf (stderr, "\n"); |
| 248 | #endif |
104 | #endif |
| 249 | } |
105 | } |
| 250 | |
106 | |
|
|
107 | void |
|
|
108 | client::ix_pop () |
|
|
109 | { |
|
|
110 | ixsend &ix = ixface.back (); |
|
|
111 | |
|
|
112 | SvREFCNT_dec (ix.data_sv); |
|
|
113 | |
|
|
114 | ixface.pop_back (); |
|
|
115 | } |
|
|
116 | |
| 251 | /** |
117 | /** |
| 252 | * Tells client the picture it has to use |
118 | * Sends a face offer (fx) to a client. |
| 253 | * to smooth a picture number given as argument. |
|
|
| 254 | */ |
|
|
| 255 | void |
|
|
| 256 | AskSmooth (char *buf, int len, client *ns) |
|
|
| 257 | { |
|
|
| 258 | ns->send_face (atoi (buf)); |
|
|
| 259 | ns->flush_fx (); |
|
|
| 260 | } |
|
|
| 261 | |
|
|
| 262 | // how lame |
|
|
| 263 | static void print_facename (packet &sl, const facedata &d) |
|
|
| 264 | { |
|
|
| 265 | for (int i = 0; i < CHKSUM_SIZE; ++i) |
|
|
| 266 | sl.printf ("%02x", d.chksum [i]); |
|
|
| 267 | } |
|
|
| 268 | |
|
|
| 269 | // gcfclient uses the server-provided checksum for comparison, but always |
|
|
| 270 | // writes a broken checksum to its cache file, so we have to provide |
|
|
| 271 | // gcfclient with the same broken (and useless) checksum just to have it |
|
|
| 272 | // cache the image despite its bugs. |
|
|
| 273 | static uint32 gcfclient_checksum (const facedata *d) |
|
|
| 274 | { |
|
|
| 275 | uint32 csum = 0; |
|
|
| 276 | |
|
|
| 277 | for (std::string::const_iterator i = d->data.begin (); |
|
|
| 278 | i != d->data.end (); |
|
|
| 279 | ++i) |
|
|
| 280 | { |
|
|
| 281 | csum = rotate_right (csum); |
|
|
| 282 | csum += *(uint8 *)&*i; |
|
|
| 283 | } |
|
|
| 284 | |
|
|
| 285 | return csum; |
|
|
| 286 | } |
|
|
| 287 | |
|
|
| 288 | /** |
|
|
| 289 | * Sends a face to a client if they are in pixmap mode |
|
|
| 290 | * nothing gets sent in bitmap mode. |
|
|
| 291 | * If nocache is true (nonzero), ignore the cache setting from the client - |
119 | * If nocache is true (nonzero), ignore the cache setting from the client - |
| 292 | * this is needed for the askface, in which we really do want to send the |
120 | * 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, |
121 | * 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. |
122 | * we look at the facecache, and if set, send the image name. |
| 295 | */ |
123 | */ |
| 296 | void |
124 | void |
| 297 | client::send_face (faceidx facenum) |
125 | client::send_face (faceidx facenum, int pri) |
| 298 | { |
126 | { |
| 299 | // never send face 0. ever. it does not exist. |
127 | // never send face 0. ever. it does not exist. |
| 300 | if (!facenum) |
128 | if (!facenum) |
| 301 | return; |
129 | return; |
| 302 | |
130 | |
| 303 | const facedata *d = face_data (facenum, faceset); |
131 | faceinfo *f = face_info (facenum); |
| 304 | |
132 | |
| 305 | if (!d) |
133 | if (!f) |
| 306 | { |
134 | { |
| 307 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
135 | LOG (llevError | logBacktrace, "client::send_face (%d) out of bounds??\n", facenum); |
| 308 | return; |
136 | return; |
| 309 | } |
137 | } |
| 310 | |
138 | |
| 311 | faceinfo *f = face_info (facenum); |
|
|
| 312 | |
|
|
| 313 | // refuse tos end non-image faces |
139 | // refuse to send non-image faces unless requested |
| 314 | if (f->type) |
140 | if (!fx_want [f->type]) |
| 315 | return; |
141 | return; |
| 316 | |
142 | |
| 317 | if (!must_send_face (facenum)) |
143 | if (faces_sent [facenum]) |
| 318 | return; |
144 | return; |
| 319 | |
145 | |
| 320 | // if for some reason we let a client without face caching connect, |
146 | faces_sent [facenum] = true; |
| 321 | // we better support that decision here and implement it. |
|
|
| 322 | if (!facecache) |
|
|
| 323 | return send_image (facenum); |
|
|
| 324 | |
147 | |
| 325 | if (fxix) |
|
|
| 326 | { |
|
|
| 327 | fxface.push_back (facenum); |
148 | fxface.push_back (facenum); |
| 328 | return; |
|
|
| 329 | } |
|
|
| 330 | |
|
|
| 331 | packet sl; |
|
|
| 332 | |
|
|
| 333 | if (force_face0) |
|
|
| 334 | sl << "face " << uint16 (facenum); |
|
|
| 335 | else if (image2) |
|
|
| 336 | sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0); |
|
|
| 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 | } |
|
|
| 357 | } |
|
|
| 358 | } |
149 | } |
| 359 | |
150 | |
| 360 | void client::flush_fx () |
151 | void client::flush_fx () |
| 361 | { |
152 | { |
| 362 | while (!fxface.empty ()) |
153 | while (!fxface.empty ()) |
| 363 | { |
154 | { |
| 364 | packet fx ("fx"); |
155 | packet fx ("fx"); |
| 365 | packet sx ("sx"); |
156 | packet sx ("sx"); |
|
|
157 | int type = 0; |
| 366 | |
158 | |
| 367 | do |
159 | do |
| 368 | { |
160 | { |
| 369 | faceidx facenum = fxface.back (); fxface.pop_back (); |
161 | faceidx facenum = fxface.back (); fxface.pop_back (); |
| 370 | |
162 | |
| 371 | const facedata *d = face_data (facenum, faceset); |
163 | if (const faceinfo *f = face_info (facenum)) |
| 372 | |
|
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| 373 | if (d) |
|
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| 374 | { |
164 | { |
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165 | if (f->type != type) |
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166 | { |
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167 | type = f->type; |
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168 | |
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169 | fx << ber32 (0) |
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170 | << uint8 (1) << uint8 (type); |
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171 | } |
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172 | |
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173 | const facedata *d = f->data (tileset); |
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174 | |
| 375 | fx << ber32 (facenum) |
175 | fx << ber32 (facenum) |
| 376 | << data8 (d->chksum, CHKSUM_SIZE); |
176 | << data8 (d->chksum, d->chksum_len); |
| 377 | |
177 | |
| 378 | if (smoothing) |
178 | if (smoothing) |
| 379 | { |
179 | { |
| 380 | faceinfo *f = face_info (facenum); |
180 | faceinfo *f = face_info (facenum); |
| 381 | |
181 | |
| 382 | if (f->smooth) |
182 | if (f->smooth) |
| 383 | { |
183 | { |
| 384 | send_face (f->smooth); |
184 | send_face (f->smooth, -110); |
|
|
185 | |
| 385 | sx << ber32 (facenum) |
186 | sx << ber32 (facenum) |
| 386 | << ber32 (f->smooth) |
187 | << ber32 (f->smooth) |
| 387 | << ber32 (f->smoothlevel); |
188 | << ber32 (f->smoothlevel); |
| 388 | } |
189 | } |
| 389 | } |
190 | } |
| 390 | } |
191 | } |
| 391 | } |
192 | } |
| 392 | while (!fxface.empty () |
193 | while (!fxface.empty () |
| 393 | && fx.room () > ber32::size + CHKSUM_SIZE + 1 |
194 | && fx.room () > ber32::size + CHKSUM_MAXLEN + 1 + 3 /* type switch */ |
| 394 | && sx.room () > ber32::size * 3); |
195 | && sx.room () > ber32::size * 3); |
| 395 | |
196 | |
| 396 | send_packet (fx); |
197 | send_packet (fx); |
| 397 | if (sx.length () > 3) send_packet (sx); |
198 | if (sx.length () > 3) send_packet (sx); |
| 398 | } |
199 | } |
| 399 | } |
|
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| 400 | |
|
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| 401 | void |
|
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| 402 | client::send_image (faceidx facenum) |
|
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| 403 | { |
|
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| 404 | // never send face 0. ever. it does not exist. |
|
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| 405 | if (!facenum) |
|
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| 406 | return; |
|
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| 407 | |
|
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| 408 | const facedata *d = face_data (facenum, faceset); |
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| 409 | |
|
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| 410 | faces_sent[facenum] = true; |
|
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| 411 | |
|
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| 412 | if (!d) |
|
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| 413 | { |
|
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| 414 | LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum); |
|
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| 415 | return; |
|
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| 416 | } |
|
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| 417 | |
|
|
| 418 | //TODO: check type here? |
|
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| 419 | |
|
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| 420 | if (force_image_newmap) |
|
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| 421 | force_newmap = true; |
|
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| 422 | |
|
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| 423 | packet sl; |
|
|
| 424 | |
|
|
| 425 | sl << (image2 ? "image2 " : "image ") |
|
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| 426 | << uint32 (facenum); |
|
|
| 427 | |
|
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| 428 | if (image2) |
|
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| 429 | sl << uint8 (0); |
|
|
| 430 | |
|
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| 431 | sl << uint32 (d->data.size ()) |
|
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| 432 | << data (d->data.data (), d->data.size ()); |
|
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| 433 | |
|
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| 434 | send_packet (sl); |
|
|
| 435 | } |
200 | } |
| 436 | |
201 | |
| 437 | // send all faces of this object to the client |
202 | // send all faces of this object to the client |
| 438 | // this uses more bandwidth initially, but makes |
203 | // this uses more bandwidth initially, but makes |
| 439 | // animations look much smoother, and every client |
204 | // animations look much smoother, and every client |
| 440 | // is supposed to do client-side caching anyways. |
205 | // is supposed to do client-side caching anyways. |
| 441 | void |
206 | void |
| 442 | client::send_faces (object *ob) |
207 | client::send_faces (object *ob) |
| 443 | { |
208 | { |
| 444 | send_face (ob->face); |
209 | send_face (ob->face, 10); |
| 445 | |
210 | |
| 446 | if (ob->animation_id) |
211 | if (ob->animation_id) |
| 447 | { |
212 | { |
| 448 | animation &anim = animations [ob->animation_id]; |
213 | const animation &anim = ob->anim (); |
| 449 | |
214 | |
| 450 | for (int i = 0; i < anim.num_animations; i++) |
215 | for (int i = 0; i < anim.num_animations; i++) |
| 451 | send_face (anim.faces [i]); |
216 | send_face (anim.faces [i], -10); |
| 452 | } |
217 | } |
| 453 | } |
218 | } |
| 454 | |
219 | |
| 455 | /** |
220 | /** |
| 456 | * Need to send an animation sequence to the client. |
221 | * Need to send an animation sequence to the client. |
| … | |
… | |
| 461 | */ |
226 | */ |
| 462 | void |
227 | void |
| 463 | client::send_animation (short anim_num) |
228 | client::send_animation (short anim_num) |
| 464 | { |
229 | { |
| 465 | /* Do some checking on the anim_num we got. Note that the animations |
230 | /* 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 |
231 | * are added in contiguous order, so if the number is in the valid |
| 467 | * range, it must be a valid animation. |
232 | * range, it must be a valid animation. |
| 468 | */ |
233 | */ |
| 469 | if (anim_num < 0 || anim_num >= animations.size ()) |
234 | if (anim_num < 0 || anim_num >= animations.size ()) |
| 470 | { |
235 | { |
| 471 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
236 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
| … | |
… | |
| 480 | /* Build up the list of faces. Also, send any information (ie, the |
245 | /* Build up the list of faces. Also, send any information (ie, the |
| 481 | * the face itself) down to the client. |
246 | * the face itself) down to the client. |
| 482 | */ |
247 | */ |
| 483 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
248 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
| 484 | { |
249 | { |
| 485 | send_face (animations[anim_num].faces[i]); |
250 | send_face (animations[anim_num].faces[i], -20); |
| 486 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
251 | sl << uint16 (animations[anim_num].faces[i]); |
| 487 | } |
252 | } |
| 488 | |
253 | |
| 489 | send_packet (sl); |
254 | send_packet (sl); |
| 490 | |
255 | |
| 491 | anims_sent[anim_num] = 1; |
256 | anims_sent[anim_num] = 1; |
| 492 | } |
257 | } |
| 493 | |
258 | |
| 494 | /** |
|
|
| 495 | * Sends the number of images, checksum of the face file, |
|
|
| 496 | * and the image_info file information. See the doc/Developers/protocol |
|
|
| 497 | * if you want further detail. |
|
|
| 498 | */ |
|
|
| 499 | void |
259 | void |
| 500 | send_image_info (client *ns, char *params) |
260 | client::invalidate_face (faceidx idx) |
| 501 | { |
261 | { |
| 502 | packet sl; |
262 | faces_sent [idx] = false; |
| 503 | |
263 | force_newmap = true; |
| 504 | //TODO: second parameter is a checksum, but it makes no sense in this current framework |
|
|
| 505 | sl.printf ("replyinfo image_info\n%d\n%u\n", MAX_FACES, 0); |
|
|
| 506 | |
|
|
| 507 | sl << "0:base:standard:0:32x32:none:The old 32x32 faceset.\n"; |
|
|
| 508 | |
|
|
| 509 | ns->send_packet (sl); |
|
|
| 510 | } |
264 | } |
| 511 | |
265 | |
| 512 | /** |
|
|
| 513 | * Sends requested face information. |
|
|
| 514 | * \param ns socket to send to |
|
|
| 515 | * \param params contains first and last index of face |
|
|
| 516 | * |
|
|
| 517 | * For each image in [start..stop] sends |
|
|
| 518 | * - checksum |
|
|
| 519 | * - name |
|
|
| 520 | */ |
|
|
| 521 | void |
266 | void |
| 522 | send_image_sums (client *ns, char *params) |
267 | client::invalidate_all_faces () |
| 523 | { |
268 | { |
| 524 | int start, stop; |
269 | faces_sent.reset (); |
| 525 | char *cp; |
270 | force_newmap = true; |
| 526 | |
|
|
| 527 | packet sl; |
|
|
| 528 | |
|
|
| 529 | start = atoi (params); |
|
|
| 530 | for (cp = params; *cp != '\0'; cp++) |
|
|
| 531 | if (*cp == ' ') |
|
|
| 532 | break; |
|
|
| 533 | |
|
|
| 534 | stop = atoi (cp); |
|
|
| 535 | if (stop < start || *cp == '\0' || (stop - start) > 1000 || stop >= MAX_FACES) |
|
|
| 536 | { |
|
|
| 537 | sl.printf ("replyinfo image_sums %d %d", start, stop); |
|
|
| 538 | ns->send_packet (sl); |
|
|
| 539 | sl.reset (); |
|
|
| 540 | return; |
|
|
| 541 | } |
|
|
| 542 | |
|
|
| 543 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
|
|
| 544 | |
|
|
| 545 | for (int i = start; i <= stop && i < faces.size (); i++) |
|
|
| 546 | { |
|
|
| 547 | ns->faces_sent[i] = true; |
|
|
| 548 | |
|
|
| 549 | const facedata *d = face_data (i, ns->faceset); |
|
|
| 550 | |
|
|
| 551 | if (sl.room () < 2 + 4 + 1 + d->data.size () + 1) |
|
|
| 552 | break; |
|
|
| 553 | |
|
|
| 554 | sl << uint16 (i) |
|
|
| 555 | << uint32 (0) // checksum |
|
|
| 556 | << uint8 (ns->faceset); |
|
|
| 557 | |
|
|
| 558 | print_facename (sl, *d); sl << uint8 (0); |
|
|
| 559 | } |
|
|
| 560 | |
|
|
| 561 | /* 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 |
|
|
| 563 | * size to less than 1000, since that is what we claim the protocol would |
|
|
| 564 | * support. |
|
|
| 565 | */ |
|
|
| 566 | //TODO: taken care of above, should simply abort or make sure the above code is correct |
|
|
| 567 | if (sl.length () >= MAXSOCKBUF) |
|
|
| 568 | { |
|
|
| 569 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
|
|
| 570 | abort (); |
|
|
| 571 | } |
|
|
| 572 | |
|
|
| 573 | ns->send_packet (sl); |
|
|
| 574 | } |
271 | } |
| 575 | |
272 | |
