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elmex |
1.1 |
/* |
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1.55 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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1.69 |
* |
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1.67 |
* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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1.63 |
* Copyright (©) 2001 Mark Wedel |
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* Copyright (©) 1992 Frank Tore Johansen |
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1.69 |
* |
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1.60 |
* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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1.69 |
* |
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1.44 |
* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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1.69 |
* |
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1.60 |
* You should have received a copy of the Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
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elmex |
1.1 |
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/** \file |
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* Image related communication |
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* |
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* \date 2003-12-02 |
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* |
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* This file deals with the image related communication to the |
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* client. I've located all the functions in this file - this |
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* localizes it more, and means that we don't need to declare |
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* things like all the structures as globals. |
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*/ |
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#include <global.h> |
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#include <sproto.h> |
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1.20 |
#include "crc.h" |
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elmex |
1.1 |
#define MAX_IMAGE_SIZE 10000 |
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/** |
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1.43 |
* client requested an image. send it rate-limited |
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* before flushing. |
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elmex |
1.1 |
*/ |
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1.3 |
void |
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1.43 |
AskFaceCmd (char *buf, int len, client *ns) |
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elmex |
1.1 |
{ |
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1.43 |
int idx = 0, pri = 0; |
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sscanf (buf, "%d %d", &idx, &pri); |
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1.51 |
//TODO: somehow fetch default priority from send_fx here |
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1.43 |
const facedata *d = face_data (idx, ns->faceset); |
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if (!d) |
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return; // doh |
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client::ixsend ix; |
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ix.pri = pri; |
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ix.idx = idx; |
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ix.ofs = d->data.size (); |
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1.46 |
auto (pos, ns->ixface.end ()); |
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1.58 |
// the by far most common case will be to insert |
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// near the end, so little looping. |
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while (pos != ns->ixface.begin ()) |
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1.46 |
{ |
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1.58 |
--pos; |
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// sort within 2k bins, to slightly prefer smaller images |
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if (pri > pos->pri || (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11))) |
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1.46 |
{ |
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1.58 |
++pos; |
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break; |
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1.46 |
} |
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} |
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ns->ixface.insert (pos, ix); |
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1.45 |
|
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#if 0 |
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1.46 |
for (auto (i, ns->ixface.begin ()); i != ns->ixface.end (); ++i) |
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fprintf (stderr, "<%d,%d> ", i->pri, i->ofs); |
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fprintf (stderr, "\n"); |
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1.45 |
#endif |
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1.43 |
} |
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/** |
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1.70 |
* Sends a face offer (fx) to a client. |
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elmex |
1.1 |
* If nocache is true (nonzero), ignore the cache setting from the client - |
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* this is needed for the askface, in which we really do want to send the |
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* face (and askface is the only place that should be setting it). Otherwise, |
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* we look at the facecache, and if set, send the image name. |
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*/ |
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1.3 |
void |
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1.50 |
client::send_face (faceidx facenum, int pri) |
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elmex |
1.1 |
{ |
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1.28 |
// never send face 0. ever. it does not exist. |
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if (!facenum) |
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return; |
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root |
1.50 |
faceinfo *f = face_info (facenum); |
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1.28 |
|
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1.50 |
if (!f) |
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root |
1.3 |
{ |
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root |
1.54 |
LOG (llevError | logBacktrace, "client::send_face (%d) out of bounds??\n", facenum); |
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1.3 |
return; |
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} |
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1.68 |
// refuse to send non-image faces unless requested |
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1.50 |
if (!fx_want [f->type]) |
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return; |
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root |
1.49 |
|
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root |
1.50 |
if (faces_sent [facenum]) |
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1.48 |
return; |
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1.68 |
faces_sent [facenum] = true; |
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1.32 |
|
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1.58 |
fxface.push_back (facenum); |
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1.32 |
} |
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root |
1.39 |
void client::flush_fx () |
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{ |
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while (!fxface.empty ()) |
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{ |
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root |
1.40 |
packet fx ("fx"); |
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packet sx ("sx"); |
132 |
root |
1.50 |
int type = 0; |
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1.39 |
|
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do |
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{ |
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faceidx facenum = fxface.back (); fxface.pop_back (); |
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root |
1.50 |
if (const faceinfo *f = face_info (facenum)) |
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{ |
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if (f->type != type) |
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{ |
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type = f->type; |
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fx << ber32 (0) |
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<< uint8 (1) << uint8 (type); |
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} |
147 |
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const facedata *d = f->data (faceset); |
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root |
1.39 |
|
150 |
root |
1.40 |
fx << ber32 (facenum) |
151 |
root |
1.62 |
<< data8 (d->chksum, d->chksum_len); |
152 |
root |
1.39 |
|
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1.40 |
if (smoothing) |
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{ |
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faceinfo *f = face_info (facenum); |
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if (f->smooth) |
158 |
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{ |
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1.50 |
send_face (f->smooth, -110); |
160 |
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161 |
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1.40 |
sx << ber32 (facenum) |
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<< ber32 (f->smooth) |
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<< ber32 (f->smoothlevel); |
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} |
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} |
166 |
root |
1.39 |
} |
167 |
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} |
168 |
root |
1.40 |
while (!fxface.empty () |
169 |
root |
1.62 |
&& fx.room () > ber32::size + CHKSUM_MAXLEN + 1 + 3 /* type switch */ |
170 |
root |
1.40 |
&& sx.room () > ber32::size * 3); |
171 |
root |
1.39 |
|
172 |
root |
1.40 |
send_packet (fx); |
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if (sx.length () > 3) send_packet (sx); |
174 |
root |
1.39 |
} |
175 |
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} |
176 |
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177 |
root |
1.28 |
// send all faces of this object to the client |
178 |
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// this uses more bandwidth initially, but makes |
179 |
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// animations look much smoother, and every client |
180 |
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// is supposed to do client-side caching anyways. |
181 |
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void |
182 |
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client::send_faces (object *ob) |
183 |
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{ |
184 |
root |
1.50 |
send_face (ob->face, 10); |
185 |
root |
1.28 |
|
186 |
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if (ob->animation_id) |
187 |
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{ |
188 |
root |
1.59 |
const animation &anim = ob->anim (); |
189 |
root |
1.28 |
|
190 |
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for (int i = 0; i < anim.num_animations; i++) |
191 |
root |
1.50 |
send_face (anim.faces [i], -10); |
192 |
root |
1.28 |
} |
193 |
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} |
194 |
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195 |
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/** |
196 |
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* Need to send an animation sequence to the client. |
197 |
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* We will send appropriate face commands to the client if we haven't |
198 |
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* sent them the face yet (this can become quite costly in terms of |
199 |
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* how much we are sending - on the other hand, this should only happen |
200 |
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* when the player logs in and picks stuff up. |
201 |
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*/ |
202 |
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void |
203 |
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client::send_animation (short anim_num) |
204 |
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{ |
205 |
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/* Do some checking on the anim_num we got. Note that the animations |
206 |
root |
1.61 |
* are added in contiguous order, so if the number is in the valid |
207 |
root |
1.28 |
* range, it must be a valid animation. |
208 |
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*/ |
209 |
root |
1.41 |
if (anim_num < 0 || anim_num >= animations.size ()) |
210 |
root |
1.28 |
{ |
211 |
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LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
212 |
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return; |
213 |
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} |
214 |
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215 |
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packet sl ("anim"); |
216 |
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217 |
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sl << uint16 (anim_num) |
218 |
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<< uint16 (0); /* flags - not used right now */ |
219 |
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220 |
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/* Build up the list of faces. Also, send any information (ie, the |
221 |
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* the face itself) down to the client. |
222 |
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*/ |
223 |
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for (int i = 0; i < animations[anim_num].num_animations; i++) |
224 |
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{ |
225 |
root |
1.50 |
send_face (animations[anim_num].faces[i], -20); |
226 |
root |
1.61 |
sl << uint16 (animations[anim_num].faces[i]); |
227 |
elmex |
1.1 |
} |
228 |
root |
1.6 |
|
229 |
root |
1.28 |
send_packet (sl); |
230 |
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231 |
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anims_sent[anim_num] = 1; |
232 |
elmex |
1.1 |
} |
233 |
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234 |
root |
1.66 |
void |
235 |
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client::invalidate_face (faceidx idx) |
236 |
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{ |
237 |
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faces_sent [idx] = false; |
238 |
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force_newmap = true; |
239 |
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} |
240 |
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241 |
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void |
242 |
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client::invalidate_all_faces () |
243 |
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{ |
244 |
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faces_sent.reset (); |
245 |
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force_newmap = true; |
246 |
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} |
247 |
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