4 // this is 88 bytes (must match entity_state_t in protocol.h)
5 entity_state_t defaultstate =
7 // ! means this is not sent to client
8 0,//double time; // ! time this state was built (used on client for interpolation)
9 {0,0,0},//float netcenter[3]; // ! for network prioritization, this is the center of the bounding box (which may differ from the origin)
10 {0,0,0},//float origin[3];
11 {0,0,0},//float angles[3];
12 0,//int number; // entity number this state is for
14 0,//unsigned short modelindex;
15 0,//unsigned short frame;
16 0,//unsigned short tagentity;
17 {0,0,0,0},//unsigned short light[4]; // color*256 (0.00 to 255.996), and radius*1
18 0,//unsigned char active; // true if a valid state
19 0,//unsigned char lightstyle;
20 0,//unsigned char lightpflags;
21 0,//unsigned char colormap;
22 0,//unsigned char skin; // also chooses cubemap for rtlights if lightpflags & LIGHTPFLAGS_FULLDYNAMIC
23 255,//unsigned char alpha;
24 16,//unsigned char scale;
25 0,//unsigned char glowsize;
26 254,//unsigned char glowcolor;
27 0,//unsigned char flags;
28 0,//unsigned char internaleffects; // INTEF_FLAG1QW and so on
29 0,//unsigned char tagindex;
30 {32, 32, 32},//unsigned char colormod[3];
31 // padding to a multiple of 8 bytes (to align the double time)
32 0//unsigned char unused; // !
35 // LordHavoc: I own protocol ranges 96, 97, 3500-3599
37 struct protocolversioninfo_s
42 protocolversioninfo[] =
53 {250, "NEHAHRAMOVIE"},
56 {10000, "NEHAHRABJP"},
57 {10001, "NEHAHRABJP2"},
58 {10002, "NEHAHRABJP3"},
62 protocolversion_t Protocol_EnumForName(const char *s)
65 for (i = 1;protocolversioninfo[i].name;i++)
66 if (!strcasecmp(s, protocolversioninfo[i].name))
67 return (protocolversion_t)i;
68 return PROTOCOL_UNKNOWN;
71 const char *Protocol_NameForEnum(protocolversion_t p)
73 return protocolversioninfo[p].name;
76 protocolversion_t Protocol_EnumForNumber(int n)
79 for (i = 1;protocolversioninfo[i].name;i++)
80 if (protocolversioninfo[i].number == n)
81 return (protocolversion_t)i;
82 return PROTOCOL_UNKNOWN;
85 int Protocol_NumberForEnum(protocolversion_t p)
87 return protocolversioninfo[p].number;
90 void Protocol_Names(char *buffer, size_t buffersize)
96 for (i = 1;protocolversioninfo[i].name;i++)
99 strlcat(buffer, " ", buffersize);
100 strlcat(buffer, protocolversioninfo[i].name, buffersize);
104 void EntityFrameQuake_ReadEntity(int bits)
110 if (bits & U_MOREBITS)
111 bits |= (MSG_ReadByte()<<8);
112 if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
114 bits |= MSG_ReadByte() << 16;
115 if (bits & U_EXTEND2)
116 bits |= MSG_ReadByte() << 24;
119 if (bits & U_LONGENTITY)
120 num = (unsigned short) MSG_ReadShort ();
122 num = MSG_ReadByte ();
124 if (num >= MAX_EDICTS)
125 Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS);
127 Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num);
129 if (cl.num_entities <= num)
131 cl.num_entities = num + 1;
132 if (num >= cl.max_entities)
133 CL_ExpandEntities(num);
136 ent = cl.entities + num;
138 // note: this inherits the 'active' state of the baseline chosen
139 // (state_baseline is always active, state_current may not be active if
140 // the entity was missing in the last frame)
142 s = ent->state_current;
145 s = ent->state_baseline;
149 cl.isquakeentity[num] = true;
150 if (cl.lastquakeentity < num)
151 cl.lastquakeentity = num;
153 s.time = cl.mtime[0];
157 if (cls.protocol == PROTOCOL_NEHAHRABJP || cls.protocol == PROTOCOL_NEHAHRABJP2 || cls.protocol == PROTOCOL_NEHAHRABJP3)
158 s.modelindex = (unsigned short) MSG_ReadShort();
160 s.modelindex = (s.modelindex & 0xFF00) | MSG_ReadByte();
162 if (bits & U_FRAME) s.frame = (s.frame & 0xFF00) | MSG_ReadByte();
163 if (bits & U_COLORMAP) s.colormap = MSG_ReadByte();
164 if (bits & U_SKIN) s.skin = MSG_ReadByte();
165 if (bits & U_EFFECTS) s.effects = (s.effects & 0xFF00) | MSG_ReadByte();
166 if (bits & U_ORIGIN1) s.origin[0] = MSG_ReadCoord(cls.protocol);
167 if (bits & U_ANGLE1) s.angles[0] = MSG_ReadAngle(cls.protocol);
168 if (bits & U_ORIGIN2) s.origin[1] = MSG_ReadCoord(cls.protocol);
169 if (bits & U_ANGLE2) s.angles[1] = MSG_ReadAngle(cls.protocol);
170 if (bits & U_ORIGIN3) s.origin[2] = MSG_ReadCoord(cls.protocol);
171 if (bits & U_ANGLE3) s.angles[2] = MSG_ReadAngle(cls.protocol);
172 if (bits & U_STEP) s.flags |= RENDER_STEP;
173 if (bits & U_ALPHA) s.alpha = MSG_ReadByte();
174 if (bits & U_SCALE) s.scale = MSG_ReadByte();
175 if (bits & U_EFFECTS2) s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8);
176 if (bits & U_GLOWSIZE) s.glowsize = MSG_ReadByte();
177 if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte();
178 if (bits & U_COLORMOD) {int c = MSG_ReadByte();s.colormod[0] = (unsigned char)(((c >> 5) & 7) * (32.0f / 7.0f));s.colormod[1] = (unsigned char)(((c >> 2) & 7) * (32.0f / 7.0f));s.colormod[2] = (unsigned char)((c & 3) * (32.0f / 3.0f));}
179 if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
180 if (bits & U_FRAME2) s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8);
181 if (bits & U_MODEL2) s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8);
182 if (bits & U_VIEWMODEL) s.flags |= RENDER_VIEWMODEL;
183 if (bits & U_EXTERIORMODEL) s.flags |= RENDER_EXTERIORMODEL;
185 // LordHavoc: to allow playback of the Nehahra movie
186 if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
188 // LordHavoc: evil format
189 int i = (int)MSG_ReadFloat();
190 int j = (int)(MSG_ReadFloat() * 255.0f);
193 i = (int)MSG_ReadFloat();
195 s.effects |= EF_FULLBRIGHT;
199 else if (j == 0 || j >= 255)
205 ent->state_previous = ent->state_current;
206 ent->state_current = s;
207 if (ent->state_current.active)
209 CL_MoveLerpEntityStates(ent);
210 cl.entities_active[ent->state_current.number] = true;
214 Host_Error("EntityFrameQuake_ReadEntity: read error");
217 void EntityFrameQuake_ISeeDeadEntities(void)
220 if (cl.lastquakeentity == 0)
222 lastentity = cl.lastquakeentity;
223 cl.lastquakeentity = 0;
224 for (num = 0;num <= lastentity;num++)
226 if (cl.isquakeentity[num])
228 if (cl.entities_active[num] && cl.entities[num].state_current.time == cl.mtime[0])
230 cl.isquakeentity[num] = true;
231 cl.lastquakeentity = num;
235 cl.isquakeentity[num] = false;
236 cl.entities_active[num] = false;
237 cl.entities[num].state_current = defaultstate;
238 cl.entities[num].state_current.number = num;
244 // FIXME FIXME FIXME: at this time the CSQC entity writing does not store
245 // packet logs and thus if an update is lost it is never repeated, this makes
246 // csqc entities useless at the moment.
248 void EntityFrameCSQC_WriteState (sizebuf_t *msg, int number, qboolean doupdate, qboolean *sectionstarted)
251 prvm_eval_t *val, *val2;
255 if (msg->cursize + !*sectionstarted + 2 + 1 + 2 > msg->maxsize)
257 val2 = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.Version);
258 version = (int)val2->_float;
259 // LordHavoc: do some validity checks on self.Version
260 // if self.Version reaches 255, it will soon exceed the byte used to
261 // store an entity version in the client struct, so we need to reset
262 // all the version to 1 and force all the existing clients' version of
263 // it to 255 (which we're not allowing to actually occur)
269 val2->_float = version = 1;
270 // since we just reset the Version field to 1, it may accidentally
271 // end up being equal to an existing client version now or in the
272 // future, so to fix this situation we have to loop over all
273 // clients and change their versions for this entity to be -1
274 // which never matches, thus causing them to receive the update
275 // soon, as they should
276 for (i = 0;i < svs.maxclients;i++)
277 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
278 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 255;
281 // if the version already matches, we don't need to do anything as the
282 // latest version has already been sent.
283 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] == version)
287 // if there's no SendEntity function, treat it as a remove
288 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
291 // there is a function to call, save the cursize value incase we
292 // have to do a rollback due to overflow
293 int oldcursize = msg->cursize;
295 MSG_WriteByte(msg, svc_csqcentities);
296 MSG_WriteShort(msg, number);
297 ((int *)prog->globals.generic)[OFS_PARM0] = sv.writeentitiestoclient_cliententitynumber;
298 prog->globals.server->self = number;
299 PRVM_ExecuteProgram(val->function, "Null SendEntity\n");
300 if(prog->globals.generic[OFS_RETURN])
302 if (msg->cursize + 2 > msg->maxsize)
304 // if the packet no longer has enough room to write the
305 // final index code that ends the message, rollback to the
306 // state before we tried to write anything and then return
307 msg->cursize = oldcursize;
308 msg->overflowed = false;
311 // an update has been successfully written, update the version
312 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = version;
313 // and take note that we have begun the svc_csqcentities
314 // section of the packet
320 // rollback the buffer to its state before the writes
321 msg->cursize = oldcursize;
322 // if the function returned FALSE, simply write a remove
323 // this is done by falling through to the remove code below
328 // write a remove message if needed
329 // if already removed, do nothing
330 if (!svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
332 // if there isn't enough room to write the remove message, just return, as
333 // it will be handled in a later packet
334 if (msg->cursize + !*sectionstarted + 2 + 2 > msg->maxsize)
336 // first write the message identifier if needed
340 MSG_WriteByte(msg, svc_csqcentities);
342 // write the remove message
343 MSG_WriteShort(msg, (unsigned short)number | 0x8000);
344 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 0;
347 //[515]: we use only one array per-client for SendEntity feature
348 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states)
351 qboolean sectionstarted = false;
352 const entity_state_t *n;
354 // if this server progs is not CSQC-aware, return early
355 if(prog->fieldoffsets.SendEntity < 0 || prog->fieldoffsets.Version < 0)
357 // make sure there is enough room to store the svc_csqcentities byte,
358 // the terminator (0x0000) and at least one entity update
359 if (msg->cursize + 32 >= msg->maxsize)
363 for (i = 0, n = states;i < numstates;i++, n++)
365 // all entities between the previous entity state and this one are dead
366 for (;num < n->number;num++)
367 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
368 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
369 // update this entity
370 EntityFrameCSQC_WriteState(msg, num, true, §ionstarted);
371 // advance to next entity so the next iteration doesn't immediately remove it
374 // all remaining entities are dead
375 for (;num < prog->num_edicts;num++)
376 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
377 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
380 // write index 0 to end the update (0 is never used by real entities)
381 MSG_WriteShort(msg, 0);
385 void Protocol_UpdateClientStats(const int *stats)
388 // update the stats array and set deltabits for any changed stats
389 for (i = 0;i < MAX_CL_STATS;i++)
391 if (host_client->stats[i] != stats[i])
393 host_client->statsdeltabits[i >> 3] |= 1 << (i & 7);
394 host_client->stats[i] = stats[i];
399 // only a few stats are within the 32 stat limit of Quake, and most of them
400 // are sent every frame in svc_clientdata messages, so we only send the
401 // remaining ones here
402 static const int sendquakestats[] =
404 // quake did not send these secrets/monsters stats in this way, but doing so
405 // allows a mod to increase STAT_TOTALMONSTERS during the game, and ensures
406 // that STAT_SECRETS and STAT_MONSTERS are always correct (even if a client
407 // didn't receive an svc_foundsecret or svc_killedmonster), which may be most
408 // valuable if randomly seeking around in a demo
409 STAT_TOTALSECRETS, // never changes during game
410 STAT_TOTALMONSTERS, // changes in some mods
411 STAT_SECRETS, // this makes svc_foundsecret unnecessary
412 STAT_MONSTERS, // this makes svc_killedmonster unnecessary
413 STAT_VIEWHEIGHT, // sent just for FTEQW clients
414 STAT_VIEWZOOM, // this rarely changes
418 void Protocol_WriteStatsReliable(void)
421 if (!host_client->netconnection)
423 // detect changes in stats and write reliable messages
424 // this only deals with 32 stats because the older protocols which use
425 // this function can only cope with 32 stats,
426 // they also do not support svc_updatestatubyte which was introduced in
427 // DP6 protocol (except for QW)
428 for (j = 0;sendquakestats[j] >= 0;j++)
430 i = sendquakestats[j];
431 // check if this bit is set
432 if (host_client->statsdeltabits[i >> 3] & (1 << (i & 7)))
434 host_client->statsdeltabits[i >> 3] -= (1 << (i & 7));
435 // send the stat as a byte if possible
436 if (sv.protocol == PROTOCOL_QUAKEWORLD)
438 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
440 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestat);
441 MSG_WriteByte(&host_client->netconnection->message, i);
442 MSG_WriteByte(&host_client->netconnection->message, host_client->stats[i]);
446 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestatlong);
447 MSG_WriteByte(&host_client->netconnection->message, i);
448 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
453 // this could make use of svc_updatestatubyte in DP6 and later
454 // protocols but those protocols do not use this function
455 MSG_WriteByte(&host_client->netconnection->message, svc_updatestat);
456 MSG_WriteByte(&host_client->netconnection->message, i);
457 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
464 void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_state_t *states)
466 const entity_state_t *s;
467 entity_state_t baseline;
470 unsigned char data[128];
473 // prepare the buffer
474 memset(&buf, 0, sizeof(buf));
476 buf.maxsize = sizeof(data);
478 for (i = 0, s = states;i < numstates;i++, s++)
480 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
481 if(val && val->function)
484 // prepare the buffer
489 if (s->number >= 256)
490 bits |= U_LONGENTITY;
491 if (s->flags & RENDER_STEP)
493 if (s->flags & RENDER_VIEWMODEL)
495 if (s->flags & RENDER_GLOWTRAIL)
497 if (s->flags & RENDER_EXTERIORMODEL)
498 bits |= U_EXTERIORMODEL;
500 // LordHavoc: old stuff, but rewritten to have more exact tolerances
501 baseline = prog->edicts[s->number].priv.server->baseline;
502 if (baseline.origin[0] != s->origin[0])
504 if (baseline.origin[1] != s->origin[1])
506 if (baseline.origin[2] != s->origin[2])
508 if (baseline.angles[0] != s->angles[0])
510 if (baseline.angles[1] != s->angles[1])
512 if (baseline.angles[2] != s->angles[2])
514 if (baseline.colormap != s->colormap)
516 if (baseline.skin != s->skin)
518 if (baseline.frame != s->frame)
521 if (s->frame & 0xFF00)
524 if (baseline.effects != s->effects)
527 if (s->effects & 0xFF00)
530 if (baseline.modelindex != s->modelindex)
533 if ((s->modelindex & 0xFF00) && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
536 if (baseline.alpha != s->alpha)
538 if (baseline.scale != s->scale)
540 if (baseline.glowsize != s->glowsize)
542 if (baseline.glowcolor != s->glowcolor)
544 if (!VectorCompare(baseline.colormod, s->colormod))
547 // if extensions are disabled, clear the relevant update flags
548 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
550 if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
551 if (s->alpha != 255 || s->effects & EF_FULLBRIGHT)
555 if (bits >= 16777216)
563 MSG_WriteByte (&buf, bits);
564 if (bits & U_MOREBITS) MSG_WriteByte(&buf, bits>>8);
565 if (sv.protocol != PROTOCOL_NEHAHRAMOVIE)
567 if (bits & U_EXTEND1) MSG_WriteByte(&buf, bits>>16);
568 if (bits & U_EXTEND2) MSG_WriteByte(&buf, bits>>24);
570 if (bits & U_LONGENTITY) MSG_WriteShort(&buf, s->number);
571 else MSG_WriteByte(&buf, s->number);
575 if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
576 MSG_WriteShort(&buf, s->modelindex);
578 MSG_WriteByte(&buf, s->modelindex);
580 if (bits & U_FRAME) MSG_WriteByte(&buf, s->frame);
581 if (bits & U_COLORMAP) MSG_WriteByte(&buf, s->colormap);
582 if (bits & U_SKIN) MSG_WriteByte(&buf, s->skin);
583 if (bits & U_EFFECTS) MSG_WriteByte(&buf, s->effects);
584 if (bits & U_ORIGIN1) MSG_WriteCoord(&buf, s->origin[0], sv.protocol);
585 if (bits & U_ANGLE1) MSG_WriteAngle(&buf, s->angles[0], sv.protocol);
586 if (bits & U_ORIGIN2) MSG_WriteCoord(&buf, s->origin[1], sv.protocol);
587 if (bits & U_ANGLE2) MSG_WriteAngle(&buf, s->angles[1], sv.protocol);
588 if (bits & U_ORIGIN3) MSG_WriteCoord(&buf, s->origin[2], sv.protocol);
589 if (bits & U_ANGLE3) MSG_WriteAngle(&buf, s->angles[2], sv.protocol);
590 if (bits & U_ALPHA) MSG_WriteByte(&buf, s->alpha);
591 if (bits & U_SCALE) MSG_WriteByte(&buf, s->scale);
592 if (bits & U_EFFECTS2) MSG_WriteByte(&buf, s->effects >> 8);
593 if (bits & U_GLOWSIZE) MSG_WriteByte(&buf, s->glowsize);
594 if (bits & U_GLOWCOLOR) MSG_WriteByte(&buf, s->glowcolor);
595 if (bits & U_COLORMOD) {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[1] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[2] * (3.0f / 32.0f), 3) << 0);MSG_WriteByte(&buf, c);}
596 if (bits & U_FRAME2) MSG_WriteByte(&buf, s->frame >> 8);
597 if (bits & U_MODEL2) MSG_WriteByte(&buf, s->modelindex >> 8);
599 // the nasty protocol
600 if ((bits & U_EXTEND1) && sv.protocol == PROTOCOL_NEHAHRAMOVIE)
602 if (s->effects & EF_FULLBRIGHT)
604 MSG_WriteFloat(&buf, 2); // QSG protocol version
605 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
606 MSG_WriteFloat(&buf, 1); // fullbright
610 MSG_WriteFloat(&buf, 1); // QSG protocol version
611 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
615 // if the commit is full, we're done this frame
616 if (msg->cursize + buf.cursize > msg->maxsize)
618 // next frame we will continue where we left off
621 // write the message to the packet
622 SZ_Write(msg, buf.data, buf.cursize);
626 int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
629 // if o is not active, delta from default
633 if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f))
635 if (fabs(n->origin[1] - o->origin[1]) > (1.0f / 256.0f))
637 if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f))
639 if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f)))
641 if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f)))
643 if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f)))
645 if ((n->modelindex ^ o->modelindex) & 0x00FF)
647 if ((n->modelindex ^ o->modelindex) & 0xFF00)
649 if ((n->frame ^ o->frame) & 0x00FF)
651 if ((n->frame ^ o->frame) & 0xFF00)
653 if ((n->effects ^ o->effects) & 0x00FF)
655 if ((n->effects ^ o->effects) & 0xFF00)
657 if (n->colormap != o->colormap)
659 if (n->skin != o->skin)
661 if (n->alpha != o->alpha)
663 if (n->scale != o->scale)
665 if (n->glowsize != o->glowsize)
667 if (n->glowcolor != o->glowcolor)
669 if (n->flags != o->flags)
671 if (n->tagindex != o->tagindex || n->tagentity != o->tagentity)
672 bits |= E_TAGATTACHMENT;
673 if (n->light[0] != o->light[0] || n->light[1] != o->light[1] || n->light[2] != o->light[2] || n->light[3] != o->light[3])
675 if (n->lightstyle != o->lightstyle)
676 bits |= E_LIGHTSTYLE;
677 if (n->lightpflags != o->lightpflags)
678 bits |= E_LIGHTPFLAGS;
682 if (bits & 0xFF000000)
684 if (bits & 0x00FF0000)
686 if (bits & 0x0000FF00)
692 void EntityState_WriteExtendBits(sizebuf_t *msg, unsigned int bits)
694 MSG_WriteByte(msg, bits & 0xFF);
695 if (bits & 0x00000080)
697 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
698 if (bits & 0x00008000)
700 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
701 if (bits & 0x00800000)
702 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
707 void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned int bits)
709 if (sv.protocol == PROTOCOL_DARKPLACES2)
711 if (bits & E_ORIGIN1)
712 MSG_WriteCoord16i(msg, ent->origin[0]);
713 if (bits & E_ORIGIN2)
714 MSG_WriteCoord16i(msg, ent->origin[1]);
715 if (bits & E_ORIGIN3)
716 MSG_WriteCoord16i(msg, ent->origin[2]);
720 // LordHavoc: have to write flags first, as they can modify protocol
722 MSG_WriteByte(msg, ent->flags);
723 if (ent->flags & RENDER_LOWPRECISION)
725 if (bits & E_ORIGIN1)
726 MSG_WriteCoord16i(msg, ent->origin[0]);
727 if (bits & E_ORIGIN2)
728 MSG_WriteCoord16i(msg, ent->origin[1]);
729 if (bits & E_ORIGIN3)
730 MSG_WriteCoord16i(msg, ent->origin[2]);
734 if (bits & E_ORIGIN1)
735 MSG_WriteCoord32f(msg, ent->origin[0]);
736 if (bits & E_ORIGIN2)
737 MSG_WriteCoord32f(msg, ent->origin[1]);
738 if (bits & E_ORIGIN3)
739 MSG_WriteCoord32f(msg, ent->origin[2]);
742 if ((sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4) && (ent->flags & RENDER_LOWPRECISION))
745 MSG_WriteAngle8i(msg, ent->angles[0]);
747 MSG_WriteAngle8i(msg, ent->angles[1]);
749 MSG_WriteAngle8i(msg, ent->angles[2]);
754 MSG_WriteAngle16i(msg, ent->angles[0]);
756 MSG_WriteAngle16i(msg, ent->angles[1]);
758 MSG_WriteAngle16i(msg, ent->angles[2]);
761 MSG_WriteByte(msg, ent->modelindex & 0xFF);
763 MSG_WriteByte(msg, (ent->modelindex >> 8) & 0xFF);
765 MSG_WriteByte(msg, ent->frame & 0xFF);
767 MSG_WriteByte(msg, (ent->frame >> 8) & 0xFF);
768 if (bits & E_EFFECTS1)
769 MSG_WriteByte(msg, ent->effects & 0xFF);
770 if (bits & E_EFFECTS2)
771 MSG_WriteByte(msg, (ent->effects >> 8) & 0xFF);
772 if (bits & E_COLORMAP)
773 MSG_WriteByte(msg, ent->colormap);
775 MSG_WriteByte(msg, ent->skin);
777 MSG_WriteByte(msg, ent->alpha);
779 MSG_WriteByte(msg, ent->scale);
780 if (bits & E_GLOWSIZE)
781 MSG_WriteByte(msg, ent->glowsize);
782 if (bits & E_GLOWCOLOR)
783 MSG_WriteByte(msg, ent->glowcolor);
784 if (sv.protocol == PROTOCOL_DARKPLACES2)
786 MSG_WriteByte(msg, ent->flags);
787 if (bits & E_TAGATTACHMENT)
789 MSG_WriteShort(msg, ent->tagentity);
790 MSG_WriteByte(msg, ent->tagindex);
794 MSG_WriteShort(msg, ent->light[0]);
795 MSG_WriteShort(msg, ent->light[1]);
796 MSG_WriteShort(msg, ent->light[2]);
797 MSG_WriteShort(msg, ent->light[3]);
799 if (bits & E_LIGHTSTYLE)
800 MSG_WriteByte(msg, ent->lightstyle);
801 if (bits & E_LIGHTPFLAGS)
802 MSG_WriteByte(msg, ent->lightpflags);
805 void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const entity_state_t *delta)
810 // entity is active, check for changes from the delta
811 if ((bits = EntityState_DeltaBits(delta, ent)))
813 // write the update number, bits, and fields
814 MSG_WriteShort(msg, ent->number);
815 EntityState_WriteExtendBits(msg, bits);
816 EntityState_WriteFields(ent, msg, bits);
821 // entity is inactive, check if the delta was active
824 // write the remove number
825 MSG_WriteShort(msg, ent->number | 0x8000);
830 int EntityState_ReadExtendBits(void)
833 bits = MSG_ReadByte();
834 if (bits & 0x00000080)
836 bits |= MSG_ReadByte() << 8;
837 if (bits & 0x00008000)
839 bits |= MSG_ReadByte() << 16;
840 if (bits & 0x00800000)
841 bits |= MSG_ReadByte() << 24;
847 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
849 if (cls.protocol == PROTOCOL_DARKPLACES2)
851 if (bits & E_ORIGIN1)
852 e->origin[0] = MSG_ReadCoord16i();
853 if (bits & E_ORIGIN2)
854 e->origin[1] = MSG_ReadCoord16i();
855 if (bits & E_ORIGIN3)
856 e->origin[2] = MSG_ReadCoord16i();
861 e->flags = MSG_ReadByte();
862 if (e->flags & RENDER_LOWPRECISION)
864 if (bits & E_ORIGIN1)
865 e->origin[0] = MSG_ReadCoord16i();
866 if (bits & E_ORIGIN2)
867 e->origin[1] = MSG_ReadCoord16i();
868 if (bits & E_ORIGIN3)
869 e->origin[2] = MSG_ReadCoord16i();
873 if (bits & E_ORIGIN1)
874 e->origin[0] = MSG_ReadCoord32f();
875 if (bits & E_ORIGIN2)
876 e->origin[1] = MSG_ReadCoord32f();
877 if (bits & E_ORIGIN3)
878 e->origin[2] = MSG_ReadCoord32f();
881 if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
884 e->angles[0] = MSG_ReadAngle16i();
886 e->angles[1] = MSG_ReadAngle16i();
888 e->angles[2] = MSG_ReadAngle16i();
893 e->angles[0] = MSG_ReadAngle8i();
895 e->angles[1] = MSG_ReadAngle8i();
897 e->angles[2] = MSG_ReadAngle8i();
900 e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte();
902 e->modelindex = (e->modelindex & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
904 e->frame = (e->frame & 0xFF00) | (unsigned int) MSG_ReadByte();
906 e->frame = (e->frame & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
907 if (bits & E_EFFECTS1)
908 e->effects = (e->effects & 0xFF00) | (unsigned int) MSG_ReadByte();
909 if (bits & E_EFFECTS2)
910 e->effects = (e->effects & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
911 if (bits & E_COLORMAP)
912 e->colormap = MSG_ReadByte();
914 e->skin = MSG_ReadByte();
916 e->alpha = MSG_ReadByte();
918 e->scale = MSG_ReadByte();
919 if (bits & E_GLOWSIZE)
920 e->glowsize = MSG_ReadByte();
921 if (bits & E_GLOWCOLOR)
922 e->glowcolor = MSG_ReadByte();
923 if (cls.protocol == PROTOCOL_DARKPLACES2)
925 e->flags = MSG_ReadByte();
926 if (bits & E_TAGATTACHMENT)
928 e->tagentity = (unsigned short) MSG_ReadShort();
929 e->tagindex = MSG_ReadByte();
933 e->light[0] = (unsigned short) MSG_ReadShort();
934 e->light[1] = (unsigned short) MSG_ReadShort();
935 e->light[2] = (unsigned short) MSG_ReadShort();
936 e->light[3] = (unsigned short) MSG_ReadShort();
938 if (bits & E_LIGHTSTYLE)
939 e->lightstyle = MSG_ReadByte();
940 if (bits & E_LIGHTPFLAGS)
941 e->lightpflags = MSG_ReadByte();
943 if (developer_networkentities.integer >= 2)
945 Con_Printf("ReadFields e%i", e->number);
947 if (bits & E_ORIGIN1)
948 Con_Printf(" E_ORIGIN1 %f", e->origin[0]);
949 if (bits & E_ORIGIN2)
950 Con_Printf(" E_ORIGIN2 %f", e->origin[1]);
951 if (bits & E_ORIGIN3)
952 Con_Printf(" E_ORIGIN3 %f", e->origin[2]);
954 Con_Printf(" E_ANGLE1 %f", e->angles[0]);
956 Con_Printf(" E_ANGLE2 %f", e->angles[1]);
958 Con_Printf(" E_ANGLE3 %f", e->angles[2]);
959 if (bits & (E_MODEL1 | E_MODEL2))
960 Con_Printf(" E_MODEL %i", e->modelindex);
962 if (bits & (E_FRAME1 | E_FRAME2))
963 Con_Printf(" E_FRAME %i", e->frame);
964 if (bits & (E_EFFECTS1 | E_EFFECTS2))
965 Con_Printf(" E_EFFECTS %i", e->effects);
967 Con_Printf(" E_ALPHA %f", e->alpha / 255.0f);
969 Con_Printf(" E_SCALE %f", e->scale / 16.0f);
970 if (bits & E_COLORMAP)
971 Con_Printf(" E_COLORMAP %i", e->colormap);
973 Con_Printf(" E_SKIN %i", e->skin);
975 if (bits & E_GLOWSIZE)
976 Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4);
977 if (bits & E_GLOWCOLOR)
978 Con_Printf(" E_GLOWCOLOR %i", e->glowcolor);
981 Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]);
982 if (bits & E_LIGHTPFLAGS)
983 Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags);
985 if (bits & E_TAGATTACHMENT)
986 Con_Printf(" E_TAGATTACHMENT e%i:%i", e->tagentity, e->tagindex);
987 if (bits & E_LIGHTSTYLE)
988 Con_Printf(" E_LIGHTSTYLE %i", e->lightstyle);
993 // (client and server) allocates a new empty database
994 entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool)
996 return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t));
999 // (client and server) frees the database
1000 void EntityFrame_FreeDatabase(entityframe_database_t *d)
1005 // (server) clears the database to contain no frames (thus delta compression compresses against nothing)
1006 void EntityFrame_ClearDatabase(entityframe_database_t *d)
1008 memset(d, 0, sizeof(*d));
1011 // (server and client) removes frames older than 'frame' from database
1012 void EntityFrame_AckFrame(entityframe_database_t *d, int frame)
1015 d->ackframenum = frame;
1016 for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++);
1017 // ignore outdated frame acks (out of order packets)
1021 // if some queue is left, slide it down to beginning of array
1023 memmove(&d->frames[0], &d->frames[i], sizeof(d->frames[0]) * d->numframes);
1026 // (server) clears frame, to prepare for adding entities
1027 void EntityFrame_Clear(entity_frame_t *f, vec3_t eye, int framenum)
1030 f->framenum = framenum;
1033 VectorClear(f->eye);
1035 VectorCopy(eye, f->eye);
1038 // (server and client) reads a frame from the database
1039 void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f)
1042 EntityFrame_Clear(f, NULL, -1);
1043 for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++);
1044 if (i < d->numframes && framenum == d->frames[i].framenum)
1046 f->framenum = framenum;
1047 f->numentities = d->frames[i].endentity - d->frames[i].firstentity;
1048 n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE);
1049 if (n > f->numentities)
1051 memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n);
1052 if (f->numentities > n)
1053 memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n));
1054 VectorCopy(d->eye, f->eye);
1058 // (server and client) adds a entity_frame to the database, for future reference
1059 void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata)
1062 entity_frameinfo_t *info;
1064 VectorCopy(eye, d->eye);
1066 // figure out how many entity slots are used already
1069 n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
1070 if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
1072 // ran out of room, dump database
1073 EntityFrame_ClearDatabase(d);
1077 info = &d->frames[d->numframes];
1078 info->framenum = framenum;
1080 // make sure we check the newly added frame as well, but we haven't incremented numframes yet
1081 for (n = 0;n <= d->numframes;n++)
1083 if (e >= d->frames[n].framenum)
1086 Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
1088 Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
1091 e = d->frames[n].framenum;
1093 // if database still has frames after that...
1095 info->firstentity = d->frames[d->numframes - 1].endentity;
1097 info->firstentity = 0;
1098 info->endentity = info->firstentity + numentities;
1101 n = info->firstentity % MAX_ENTITY_DATABASE;
1102 e = MAX_ENTITY_DATABASE - n;
1103 if (e > numentities)
1105 memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
1106 if (numentities > e)
1107 memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
1110 // (server) writes a frame to network stream
1111 void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
1113 int i, onum, number;
1114 entity_frame_t *o = &d->deltaframe;
1115 const entity_state_t *ent, *delta;
1119 d->latestframenum++;
1122 for (i = 0;i < numstates;i++)
1124 if (states[i].number == viewentnum)
1126 VectorSet(eye, states[i].origin[0], states[i].origin[1], states[i].origin[2] + 22);
1131 EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states);
1133 EntityFrame_FetchFrame(d, d->ackframenum, o);
1135 MSG_WriteByte (msg, svc_entities);
1136 MSG_WriteLong (msg, o->framenum);
1137 MSG_WriteLong (msg, d->latestframenum);
1138 MSG_WriteFloat (msg, eye[0]);
1139 MSG_WriteFloat (msg, eye[1]);
1140 MSG_WriteFloat (msg, eye[2]);
1143 for (i = 0;i < numstates;i++)
1146 number = ent->number;
1148 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
1149 if(val && val->function)
1151 for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
1153 // write remove message
1154 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1156 if (onum < o->numentities && (o->entitydata[onum].number == number))
1158 // delta from previous frame
1159 delta = o->entitydata + onum;
1160 // advance to next entity in delta frame
1165 // delta from defaults
1166 delta = &defaultstate;
1168 EntityState_WriteUpdate(ent, msg, delta);
1170 for (;onum < o->numentities;onum++)
1172 // write remove message
1173 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1175 MSG_WriteShort(msg, 0xFFFF);
1178 // (client) reads a frame from network stream
1179 void EntityFrame_CL_ReadFrame(void)
1181 int i, number, removed;
1182 entity_frame_t *f, *delta;
1183 entity_state_t *e, *old, *oldend;
1185 entityframe_database_t *d;
1186 if (!cl.entitydatabase)
1187 cl.entitydatabase = EntityFrame_AllocDatabase(cls.levelmempool);
1188 d = cl.entitydatabase;
1190 delta = &d->deltaframe;
1192 EntityFrame_Clear(f, NULL, -1);
1194 // read the frame header info
1195 f->time = cl.mtime[0];
1196 number = MSG_ReadLong();
1197 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1198 cl.latestframenums[i] = cl.latestframenums[i+1];
1199 cl.latestframenums[LATESTFRAMENUMS-1] = f->framenum = MSG_ReadLong();
1200 f->eye[0] = MSG_ReadFloat();
1201 f->eye[1] = MSG_ReadFloat();
1202 f->eye[2] = MSG_ReadFloat();
1203 EntityFrame_AckFrame(d, number);
1204 EntityFrame_FetchFrame(d, number, delta);
1205 old = delta->entitydata;
1206 oldend = old + delta->numentities;
1207 // read entities until we hit the magic 0xFFFF end tag
1208 while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread)
1211 Host_Error("EntityFrame_Read: read error");
1212 removed = number & 0x8000;
1214 if (number >= MAX_EDICTS)
1215 Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
1217 // seek to entity, while copying any skipped entities (assume unchanged)
1218 while (old < oldend && old->number < number)
1220 if (f->numentities >= MAX_ENTITY_DATABASE)
1221 Host_Error("EntityFrame_Read: entity list too big");
1222 f->entitydata[f->numentities] = *old++;
1223 f->entitydata[f->numentities++].time = cl.mtime[0];
1227 if (old < oldend && old->number == number)
1230 Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number);
1234 if (f->numentities >= MAX_ENTITY_DATABASE)
1235 Host_Error("EntityFrame_Read: entity list too big");
1237 // reserve this slot
1238 e = f->entitydata + f->numentities++;
1240 if (old < oldend && old->number == number)
1242 // delta from old entity
1247 // delta from defaults
1251 if (cl.num_entities <= number)
1253 cl.num_entities = number + 1;
1254 if (number >= cl.max_entities)
1255 CL_ExpandEntities(number);
1257 cl.entities_active[number] = true;
1259 e->time = cl.mtime[0];
1261 EntityState_ReadFields(e, EntityState_ReadExtendBits());
1264 while (old < oldend)
1266 if (f->numentities >= MAX_ENTITY_DATABASE)
1267 Host_Error("EntityFrame_Read: entity list too big");
1268 f->entitydata[f->numentities] = *old++;
1269 f->entitydata[f->numentities++].time = cl.mtime[0];
1271 EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
1273 memset(cl.entities_active, 0, cl.num_entities * sizeof(unsigned char));
1275 for (i = 0;i < f->numentities;i++)
1277 for (;number < f->entitydata[i].number && number < cl.num_entities;number++)
1279 if (cl.entities_active[number])
1281 cl.entities_active[number] = false;
1282 cl.entities[number].state_current.active = false;
1285 if (number >= cl.num_entities)
1287 // update the entity
1288 ent = &cl.entities[number];
1289 ent->state_previous = ent->state_current;
1290 ent->state_current = f->entitydata[i];
1291 CL_MoveLerpEntityStates(ent);
1292 // the entity lives again...
1293 cl.entities_active[number] = true;
1296 for (;number < cl.num_entities;number++)
1298 if (cl.entities_active[number])
1300 cl.entities_active[number] = false;
1301 cl.entities[number].state_current.active = false;
1307 // (client) returns the frame number of the most recent frame recieved
1308 int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d)
1311 return d->frames[d->numframes - 1].framenum;
1321 entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number)
1323 if (d->maxreferenceentities <= number)
1325 int oldmax = d->maxreferenceentities;
1326 entity_state_t *oldentity = d->referenceentity;
1327 d->maxreferenceentities = (number + 15) & ~7;
1328 d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
1331 memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
1332 Mem_Free(oldentity);
1334 // clear the newly created entities
1335 for (;oldmax < d->maxreferenceentities;oldmax++)
1337 d->referenceentity[oldmax] = defaultstate;
1338 d->referenceentity[oldmax].number = oldmax;
1341 return d->referenceentity + number;
1344 void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s)
1346 // resize commit's entity list if full
1347 if (d->currentcommit->maxentities <= d->currentcommit->numentities)
1349 entity_state_t *oldentity = d->currentcommit->entity;
1350 d->currentcommit->maxentities += 8;
1351 d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
1354 memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
1355 Mem_Free(oldentity);
1358 d->currentcommit->entity[d->currentcommit->numentities++] = *s;
1361 entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
1363 entityframe4_database_t *d;
1364 d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
1366 EntityFrame4_ResetDatabase(d);
1370 void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
1373 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1374 if (d->commit[i].entity)
1375 Mem_Free(d->commit[i].entity);
1376 if (d->referenceentity)
1377 Mem_Free(d->referenceentity);
1381 void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
1384 d->referenceframenum = -1;
1385 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1386 d->commit[i].numentities = 0;
1387 for (i = 0;i < d->maxreferenceentities;i++)
1388 d->referenceentity[i] = defaultstate;
1391 int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode)
1394 entity_database4_commit_t *commit;
1397 // reset reference, but leave commits alone
1398 d->referenceframenum = -1;
1399 for (i = 0;i < d->maxreferenceentities;i++)
1400 d->referenceentity[i] = defaultstate;
1401 // if this is the server, remove commits
1402 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1403 commit->numentities = 0;
1406 else if (d->referenceframenum == framenum)
1411 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1413 if (commit->numentities && commit->framenum <= framenum)
1415 if (commit->framenum == framenum)
1418 d->referenceframenum = framenum;
1419 if (developer_networkentities.integer >= 3)
1421 for (j = 0;j < commit->numentities;j++)
1423 entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
1424 if (commit->entity[j].active != s->active)
1426 if (commit->entity[j].active)
1427 Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1429 Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1431 *s = commit->entity[j];
1435 for (j = 0;j < commit->numentities;j++)
1436 *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j];
1438 commit->numentities = 0;
1442 if (developer_networkentities.integer >= 1)
1444 Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum);
1445 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1446 if (d->commit[i].numentities)
1447 Con_Printf(" %i", d->commit[i].framenum);
1453 void EntityFrame4_CL_ReadFrame(void)
1455 int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false;
1457 entityframe4_database_t *d;
1458 if (!cl.entitydatabase4)
1459 cl.entitydatabase4 = EntityFrame4_AllocDatabase(cls.levelmempool);
1460 d = cl.entitydatabase4;
1461 // read the number of the frame this refers to
1462 referenceframenum = MSG_ReadLong();
1463 // read the number of this frame
1464 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1465 cl.latestframenums[i] = cl.latestframenums[i+1];
1466 cl.latestframenums[LATESTFRAMENUMS-1] = framenum = MSG_ReadLong();
1467 // read the start number
1468 enumber = (unsigned short) MSG_ReadShort();
1469 if (developer_networkentities.integer >= 10)
1471 Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum);
1472 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1473 if (d->commit[i].numentities)
1474 Con_Printf(" %i", d->commit[i].framenum);
1477 if (!EntityFrame4_AckFrame(d, referenceframenum, false))
1479 Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n");
1482 d->currentcommit = NULL;
1483 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1485 if (!d->commit[i].numentities)
1487 d->currentcommit = d->commit + i;
1488 d->currentcommit->framenum = framenum;
1489 d->currentcommit->numentities = 0;
1492 if (d->currentcommit == NULL)
1494 Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum);
1498 while (!done && !msg_badread)
1500 // read the number of the modified entity
1501 // (gaps will be copied unmodified)
1502 n = (unsigned short)MSG_ReadShort();
1505 // no more entities in this update, but we still need to copy the
1506 // rest of the reference entities (final gap)
1508 // read end of range number, then process normally
1509 n = (unsigned short)MSG_ReadShort();
1511 // high bit means it's a remove message
1512 cnumber = n & 0x7FFF;
1513 // if this is a live entity we may need to expand the array
1514 if (cl.num_entities <= cnumber && !(n & 0x8000))
1516 cl.num_entities = cnumber + 1;
1517 if (cnumber >= cl.max_entities)
1518 CL_ExpandEntities(cnumber);
1520 // add one (the changed one) if not done
1521 stopnumber = cnumber + !done;
1522 // process entities in range from the last one to the changed one
1523 for (;enumber < stopnumber;enumber++)
1525 if (skip || enumber >= cl.num_entities)
1527 if (enumber == cnumber && (n & 0x8000) == 0)
1529 entity_state_t tempstate;
1530 EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits());
1534 // slide the current into the previous slot
1535 cl.entities[enumber].state_previous = cl.entities[enumber].state_current;
1536 // copy a new current from reference database
1537 cl.entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber);
1538 s = &cl.entities[enumber].state_current;
1539 // if this is the one to modify, read more data...
1540 if (enumber == cnumber)
1545 if (developer_networkentities.integer >= 2)
1546 Con_Printf("entity %i: remove\n", enumber);
1552 if (developer_networkentities.integer >= 2)
1553 Con_Printf("entity %i: update\n", enumber);
1555 EntityState_ReadFields(s, EntityState_ReadExtendBits());
1558 else if (developer_networkentities.integer >= 4)
1559 Con_Printf("entity %i: copy\n", enumber);
1560 // set the cl.entities_active flag
1561 cl.entities_active[enumber] = s->active;
1562 // set the update time
1563 s->time = cl.mtime[0];
1564 // fix the number (it gets wiped occasionally by copying from defaultstate)
1565 s->number = enumber;
1566 // check if we need to update the lerp stuff
1568 CL_MoveLerpEntityStates(&cl.entities[enumber]);
1569 // add this to the commit entry whether it is modified or not
1570 if (d->currentcommit)
1571 EntityFrame4_AddCommitEntity(d, &cl.entities[enumber].state_current);
1572 // print extra messages if desired
1573 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
1575 if (cl.entities[enumber].state_current.active)
1576 Con_Printf("entity #%i has become active\n", enumber);
1577 else if (cl.entities[enumber].state_previous.active)
1578 Con_Printf("entity #%i has become inactive\n", enumber);
1582 d->currentcommit = NULL;
1584 EntityFrame4_ResetDatabase(d);
1587 void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int numstates, const entity_state_t *states)
1589 const entity_state_t *e, *s;
1590 entity_state_t inactiveentitystate;
1591 int i, n, startnumber;
1593 unsigned char data[128];
1596 // if there isn't enough space to accomplish anything, skip it
1597 if (msg->cursize + 24 > msg->maxsize)
1600 // prepare the buffer
1601 memset(&buf, 0, sizeof(buf));
1603 buf.maxsize = sizeof(data);
1605 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1606 if (!d->commit[i].numentities)
1608 // if commit buffer full, just don't bother writing an update this frame
1609 if (i == MAX_ENTITY_HISTORY)
1611 d->currentcommit = d->commit + i;
1613 // this state's number gets played around with later
1614 inactiveentitystate = defaultstate;
1616 d->currentcommit->numentities = 0;
1617 d->currentcommit->framenum = ++d->latestframenumber;
1618 MSG_WriteByte(msg, svc_entities);
1619 MSG_WriteLong(msg, d->referenceframenum);
1620 MSG_WriteLong(msg, d->currentcommit->framenum);
1621 if (developer_networkentities.integer >= 10)
1623 Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum);
1624 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1625 if (d->commit[i].numentities)
1626 Con_Printf(" %i", d->commit[i].framenum);
1629 if (d->currententitynumber >= prog->max_edicts)
1632 startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
1633 MSG_WriteShort(msg, startnumber);
1634 // reset currententitynumber so if the loop does not break it we will
1635 // start at beginning next frame (if it does break, it will set it)
1636 d->currententitynumber = 1;
1637 for (i = 0, n = startnumber;n < prog->max_edicts;n++)
1639 val = PRVM_EDICTFIELDVALUE((&prog->edicts[n]), prog->fieldoffsets.SendEntity);
1640 if(val && val->function)
1642 // find the old state to delta from
1643 e = EntityFrame4_GetReferenceEntity(d, n);
1644 // prepare the buffer
1646 // entity exists, build an update (if empty there is no change)
1647 // find the state in the list
1648 for (;i < numstates && states[i].number < n;i++);
1654 EntityState_WriteUpdate(s, &buf, e);
1658 inactiveentitystate.number = n;
1659 s = &inactiveentitystate;
1662 // entity used to exist but doesn't anymore, send remove
1663 MSG_WriteShort(&buf, n | 0x8000);
1666 // if the commit is full, we're done this frame
1667 if (msg->cursize + buf.cursize > msg->maxsize - 4)
1669 // next frame we will continue where we left off
1672 // add the entity to the commit
1673 EntityFrame4_AddCommitEntity(d, s);
1674 // if the message is empty, skip out now
1677 // write the message to the packet
1678 SZ_Write(msg, buf.data, buf.cursize);
1681 d->currententitynumber = n;
1683 // remove world message (invalid, and thus a good terminator)
1684 MSG_WriteShort(msg, 0x8000);
1685 // write the number of the end entity
1686 MSG_WriteShort(msg, d->currententitynumber);
1688 d->currentcommit = NULL;
1694 entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
1697 entityframe5_database_t *d;
1698 d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
1699 d->latestframenum = 0;
1700 for (i = 0;i < d->maxedicts;i++)
1701 d->states[i] = defaultstate;
1705 void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
1707 // all the [maxedicts] memory is allocated at once, so there's only one
1710 Mem_Free(d->deltabits);
1714 void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
1716 if (d->maxedicts < newmax)
1718 unsigned char *data;
1719 int oldmaxedicts = d->maxedicts;
1720 int *olddeltabits = d->deltabits;
1721 unsigned char *oldpriorities = d->priorities;
1722 int *oldupdateframenum = d->updateframenum;
1723 entity_state_t *oldstates = d->states;
1724 unsigned char *oldvisiblebits = d->visiblebits;
1725 d->maxedicts = newmax;
1726 data = (unsigned char *)Mem_Alloc(sv_mempool, d->maxedicts * sizeof(int) + d->maxedicts * sizeof(unsigned char) + d->maxedicts * sizeof(int) + d->maxedicts * sizeof(entity_state_t) + (d->maxedicts+7)/8 * sizeof(unsigned char));
1727 d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
1728 d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
1729 d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
1730 d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
1731 d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
1734 memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
1735 memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
1736 memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
1737 memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
1738 memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
1739 // the previous buffers were a single allocation, so just one free
1740 Mem_Free(olddeltabits);
1745 int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
1747 int limit, priority;
1749 // if it is the player, update urgently
1750 if (stateindex == d->viewentnum)
1751 return ENTITYFRAME5_PRIORITYLEVELS - 1;
1752 // priority increases each frame no matter what happens
1753 priority = d->priorities[stateindex] + 1;
1754 // players get an extra priority boost
1755 if (stateindex <= svs.maxclients)
1757 // remove dead entities very quickly because they are just 2 bytes
1758 if (!d->states[stateindex].active)
1761 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1763 // certain changes are more noticable than others
1764 if (d->deltabits[stateindex] & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP))
1766 // find the root entity this one is attached to, and judge relevance by it
1767 for (limit = 0;limit < 256;limit++)
1769 s = d->states + stateindex;
1770 if (s->flags & RENDER_VIEWMODEL)
1771 stateindex = d->viewentnum;
1772 else if (s->tagentity)
1773 stateindex = s->tagentity;
1776 if (d->maxedicts < stateindex)
1777 EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255);
1780 Con_DPrintf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex);
1781 // now that we have the parent entity we can make some decisions based on
1782 // distance from the player
1783 if (VectorDistance(d->states[d->viewentnum].netcenter, s->netcenter) < 1024.0f)
1785 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1788 void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
1790 unsigned int bits = 0;
1793 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
1794 if(val && val->function)
1798 MSG_WriteShort(msg, number | 0x8000);
1802 if ((bits & E5_ORIGIN) && ((s->flags & RENDER_EXTERIORMODEL) || s->origin[0] < -4096 || s->origin[0] >= 4096 || s->origin[1] < -4096 || s->origin[1] >= 4096 || s->origin[2] < -4096 || s->origin[2] >= 4096))
1803 bits |= E5_ORIGIN32;
1804 if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION))
1805 bits |= E5_ANGLES16;
1806 if ((bits & E5_MODEL) && s->modelindex >= 256)
1808 if ((bits & E5_FRAME) && s->frame >= 256)
1810 if (bits & E5_EFFECTS)
1812 if (s->effects & 0xFFFF0000)
1813 bits |= E5_EFFECTS32;
1814 else if (s->effects & 0xFFFFFF00)
1815 bits |= E5_EFFECTS16;
1821 if (bits >= 16777216)
1823 MSG_WriteShort(msg, number);
1824 MSG_WriteByte(msg, bits & 0xFF);
1825 if (bits & E5_EXTEND1)
1826 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
1827 if (bits & E5_EXTEND2)
1828 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
1829 if (bits & E5_EXTEND3)
1830 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
1831 if (bits & E5_FLAGS)
1832 MSG_WriteByte(msg, s->flags);
1833 if (bits & E5_ORIGIN)
1835 if (bits & E5_ORIGIN32)
1837 MSG_WriteCoord32f(msg, s->origin[0]);
1838 MSG_WriteCoord32f(msg, s->origin[1]);
1839 MSG_WriteCoord32f(msg, s->origin[2]);
1843 MSG_WriteCoord13i(msg, s->origin[0]);
1844 MSG_WriteCoord13i(msg, s->origin[1]);
1845 MSG_WriteCoord13i(msg, s->origin[2]);
1848 if (bits & E5_ANGLES)
1850 if (bits & E5_ANGLES16)
1852 MSG_WriteAngle16i(msg, s->angles[0]);
1853 MSG_WriteAngle16i(msg, s->angles[1]);
1854 MSG_WriteAngle16i(msg, s->angles[2]);
1858 MSG_WriteAngle8i(msg, s->angles[0]);
1859 MSG_WriteAngle8i(msg, s->angles[1]);
1860 MSG_WriteAngle8i(msg, s->angles[2]);
1863 if (bits & E5_MODEL)
1865 if (bits & E5_MODEL16)
1866 MSG_WriteShort(msg, s->modelindex);
1868 MSG_WriteByte(msg, s->modelindex);
1870 if (bits & E5_FRAME)
1872 if (bits & E5_FRAME16)
1873 MSG_WriteShort(msg, s->frame);
1875 MSG_WriteByte(msg, s->frame);
1878 MSG_WriteByte(msg, s->skin);
1879 if (bits & E5_EFFECTS)
1881 if (bits & E5_EFFECTS32)
1882 MSG_WriteLong(msg, s->effects);
1883 else if (bits & E5_EFFECTS16)
1884 MSG_WriteShort(msg, s->effects);
1886 MSG_WriteByte(msg, s->effects);
1888 if (bits & E5_ALPHA)
1889 MSG_WriteByte(msg, s->alpha);
1890 if (bits & E5_SCALE)
1891 MSG_WriteByte(msg, s->scale);
1892 if (bits & E5_COLORMAP)
1893 MSG_WriteByte(msg, s->colormap);
1894 if (bits & E5_ATTACHMENT)
1896 MSG_WriteShort(msg, s->tagentity);
1897 MSG_WriteByte(msg, s->tagindex);
1899 if (bits & E5_LIGHT)
1901 MSG_WriteShort(msg, s->light[0]);
1902 MSG_WriteShort(msg, s->light[1]);
1903 MSG_WriteShort(msg, s->light[2]);
1904 MSG_WriteShort(msg, s->light[3]);
1905 MSG_WriteByte(msg, s->lightstyle);
1906 MSG_WriteByte(msg, s->lightpflags);
1910 MSG_WriteByte(msg, s->glowsize);
1911 MSG_WriteByte(msg, s->glowcolor);
1913 if (bits & E5_COLORMOD)
1915 MSG_WriteByte(msg, s->colormod[0]);
1916 MSG_WriteByte(msg, s->colormod[1]);
1917 MSG_WriteByte(msg, s->colormod[2]);
1922 void EntityState5_ReadUpdate(entity_state_t *s, int number)
1925 bits = MSG_ReadByte();
1926 if (bits & E5_EXTEND1)
1928 bits |= MSG_ReadByte() << 8;
1929 if (bits & E5_EXTEND2)
1931 bits |= MSG_ReadByte() << 16;
1932 if (bits & E5_EXTEND3)
1933 bits |= MSG_ReadByte() << 24;
1936 if (bits & E5_FULLUPDATE)
1941 if (bits & E5_FLAGS)
1942 s->flags = MSG_ReadByte();
1943 if (bits & E5_ORIGIN)
1945 if (bits & E5_ORIGIN32)
1947 s->origin[0] = MSG_ReadCoord32f();
1948 s->origin[1] = MSG_ReadCoord32f();
1949 s->origin[2] = MSG_ReadCoord32f();
1953 s->origin[0] = MSG_ReadCoord13i();
1954 s->origin[1] = MSG_ReadCoord13i();
1955 s->origin[2] = MSG_ReadCoord13i();
1958 if (bits & E5_ANGLES)
1960 if (bits & E5_ANGLES16)
1962 s->angles[0] = MSG_ReadAngle16i();
1963 s->angles[1] = MSG_ReadAngle16i();
1964 s->angles[2] = MSG_ReadAngle16i();
1968 s->angles[0] = MSG_ReadAngle8i();
1969 s->angles[1] = MSG_ReadAngle8i();
1970 s->angles[2] = MSG_ReadAngle8i();
1973 if (bits & E5_MODEL)
1975 if (bits & E5_MODEL16)
1976 s->modelindex = (unsigned short) MSG_ReadShort();
1978 s->modelindex = MSG_ReadByte();
1980 if (bits & E5_FRAME)
1982 if (bits & E5_FRAME16)
1983 s->frame = (unsigned short) MSG_ReadShort();
1985 s->frame = MSG_ReadByte();
1988 s->skin = MSG_ReadByte();
1989 if (bits & E5_EFFECTS)
1991 if (bits & E5_EFFECTS32)
1992 s->effects = (unsigned int) MSG_ReadLong();
1993 else if (bits & E5_EFFECTS16)
1994 s->effects = (unsigned short) MSG_ReadShort();
1996 s->effects = MSG_ReadByte();
1998 if (bits & E5_ALPHA)
1999 s->alpha = MSG_ReadByte();
2000 if (bits & E5_SCALE)
2001 s->scale = MSG_ReadByte();
2002 if (bits & E5_COLORMAP)
2003 s->colormap = MSG_ReadByte();
2004 if (bits & E5_ATTACHMENT)
2006 s->tagentity = (unsigned short) MSG_ReadShort();
2007 s->tagindex = MSG_ReadByte();
2009 if (bits & E5_LIGHT)
2011 s->light[0] = (unsigned short) MSG_ReadShort();
2012 s->light[1] = (unsigned short) MSG_ReadShort();
2013 s->light[2] = (unsigned short) MSG_ReadShort();
2014 s->light[3] = (unsigned short) MSG_ReadShort();
2015 s->lightstyle = MSG_ReadByte();
2016 s->lightpflags = MSG_ReadByte();
2020 s->glowsize = MSG_ReadByte();
2021 s->glowcolor = MSG_ReadByte();
2023 if (bits & E5_COLORMOD)
2025 s->colormod[0] = MSG_ReadByte();
2026 s->colormod[1] = MSG_ReadByte();
2027 s->colormod[2] = MSG_ReadByte();
2031 if (developer_networkentities.integer >= 2)
2033 Con_Printf("ReadFields e%i", number);
2035 if (bits & E5_ORIGIN)
2036 Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]);
2037 if (bits & E5_ANGLES)
2038 Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]);
2039 if (bits & E5_MODEL)
2040 Con_Printf(" E5_MODEL %i", s->modelindex);
2041 if (bits & E5_FRAME)
2042 Con_Printf(" E5_FRAME %i", s->frame);
2044 Con_Printf(" E5_SKIN %i", s->skin);
2045 if (bits & E5_EFFECTS)
2046 Con_Printf(" E5_EFFECTS %i", s->effects);
2047 if (bits & E5_FLAGS)
2049 Con_Printf(" E5_FLAGS %i (", s->flags);
2050 if (s->flags & RENDER_STEP)
2052 if (s->flags & RENDER_GLOWTRAIL)
2053 Con_Print(" GLOWTRAIL");
2054 if (s->flags & RENDER_VIEWMODEL)
2055 Con_Print(" VIEWMODEL");
2056 if (s->flags & RENDER_EXTERIORMODEL)
2057 Con_Print(" EXTERIORMODEL");
2058 if (s->flags & RENDER_LOWPRECISION)
2059 Con_Print(" LOWPRECISION");
2060 if (s->flags & RENDER_COLORMAPPED)
2061 Con_Print(" COLORMAPPED");
2062 if (s->flags & RENDER_SHADOW)
2063 Con_Print(" SHADOW");
2064 if (s->flags & RENDER_LIGHT)
2065 Con_Print(" LIGHT");
2066 if (s->flags & RENDER_NOSELFSHADOW)
2067 Con_Print(" NOSELFSHADOW");
2070 if (bits & E5_ALPHA)
2071 Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f);
2072 if (bits & E5_SCALE)
2073 Con_Printf(" E5_SCALE %f", s->scale / 16.0f);
2074 if (bits & E5_COLORMAP)
2075 Con_Printf(" E5_COLORMAP %i", s->colormap);
2076 if (bits & E5_ATTACHMENT)
2077 Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex);
2078 if (bits & E5_LIGHT)
2079 Con_Printf(" E5_LIGHT %i:%i:%i:%i %i:%i", s->light[0], s->light[1], s->light[2], s->light[3], s->lightstyle, s->lightpflags);
2081 Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor);
2082 if (bits & E5_COLORMOD)
2083 Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f);
2088 int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
2090 unsigned int bits = 0;
2094 bits |= E5_FULLUPDATE;
2095 if (!VectorCompare(o->origin, n->origin))
2097 if (!VectorCompare(o->angles, n->angles))
2099 if (o->modelindex != n->modelindex)
2101 if (o->frame != n->frame)
2103 if (o->skin != n->skin)
2105 if (o->effects != n->effects)
2107 if (o->flags != n->flags)
2109 if (o->alpha != n->alpha)
2111 if (o->scale != n->scale)
2113 if (o->colormap != n->colormap)
2114 bits |= E5_COLORMAP;
2115 if (o->tagentity != n->tagentity || o->tagindex != n->tagindex)
2116 bits |= E5_ATTACHMENT;
2117 if (o->light[0] != n->light[0] || o->light[1] != n->light[1] || o->light[2] != n->light[2] || o->light[3] != n->light[3] || o->lightstyle != n->lightstyle || o->lightpflags != n->lightpflags)
2119 if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor)
2121 if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2])
2122 bits |= E5_COLORMOD;
2126 bits |= E5_FULLUPDATE;
2130 void EntityFrame5_CL_ReadFrame(void)
2135 // read the number of this frame to echo back in next input packet
2136 for (i = 0;i < LATESTFRAMENUMS-1;i++)
2137 cl.latestframenums[i] = cl.latestframenums[i+1];
2138 cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
2139 if (developer_networkentities.integer >= 10)
2140 Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
2141 if (cls.protocol != PROTOCOL_QUAKE && cls.protocol != PROTOCOL_QUAKEDP && cls.protocol != PROTOCOL_NEHAHRAMOVIE && cls.protocol != PROTOCOL_DARKPLACES1 && cls.protocol != PROTOCOL_DARKPLACES2 && cls.protocol != PROTOCOL_DARKPLACES3 && cls.protocol != PROTOCOL_DARKPLACES4 && cls.protocol != PROTOCOL_DARKPLACES5 && cls.protocol != PROTOCOL_DARKPLACES6)
2142 cls.servermovesequence = MSG_ReadLong();
2143 // read entity numbers until we find a 0x8000
2144 // (which would be remove world entity, but is actually a terminator)
2145 while ((n = (unsigned short)MSG_ReadShort()) != 0x8000 && !msg_badread)
2147 // get the entity number
2148 enumber = n & 0x7FFF;
2149 // we may need to expand the array
2150 if (cl.num_entities <= enumber)
2152 cl.num_entities = enumber + 1;
2153 if (enumber >= cl.max_entities)
2154 CL_ExpandEntities(enumber);
2156 // look up the entity
2157 ent = cl.entities + enumber;
2158 // slide the current into the previous slot
2159 ent->state_previous = ent->state_current;
2161 s = &ent->state_current;
2170 EntityState5_ReadUpdate(s, enumber);
2172 // set the cl.entities_active flag
2173 cl.entities_active[enumber] = s->active;
2174 // set the update time
2175 s->time = cl.mtime[0];
2176 // fix the number (it gets wiped occasionally by copying from defaultstate)
2177 s->number = enumber;
2178 // check if we need to update the lerp stuff
2180 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2181 // print extra messages if desired
2182 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
2184 if (cl.entities[enumber].state_current.active)
2185 Con_Printf("entity #%i has become active\n", enumber);
2186 else if (cl.entities[enumber].state_previous.active)
2187 Con_Printf("entity #%i has become inactive\n", enumber);
2192 void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
2194 int i, j, k, l, bits;
2195 entityframe5_changestate_t *s, *s2;
2196 entityframe5_packetlog_t *p, *p2;
2197 unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
2198 // scan for packets that were lost
2199 for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
2201 if (p->packetnumber && p->packetnumber <= framenum)
2203 // packet was lost - merge deltabits into the main array so they
2204 // will be re-sent, but only if there is no newer update of that
2205 // bit in the logs (as those will arrive before this update)
2206 for (j = 0, s = p->states;j < p->numstates;j++, s++)
2208 // check for any newer updates to this entity and mask off any
2209 // overlapping bits (we don't need to send something again if
2210 // it has already been sent more recently)
2211 bits = s->bits & ~d->deltabits[s->number];
2212 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS && bits;k++, p2++)
2214 if (p2->packetnumber > framenum)
2216 for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++)
2218 if (s2->number == s->number)
2226 // if the bits haven't all been cleared, there were some bits
2227 // lost with this packet, so set them again now
2230 d->deltabits[s->number] |= bits;
2231 // if it was a very important update, set priority higher
2232 if (bits & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_COLORMAP))
2233 d->priorities[s->number] = max(d->priorities[s->number], 4);
2235 d->priorities[s->number] = max(d->priorities[s->number], 1);
2239 for (j = 0;j < MAX_CL_STATS;j++)
2241 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2242 statsdeltabits[l] = p->statsdeltabits[l] & ~host_client->statsdeltabits[l];
2243 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS;k++, p2++)
2244 if (p2->packetnumber > framenum)
2245 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2246 statsdeltabits[l] = p->statsdeltabits[l] & ~p2->statsdeltabits[l];
2247 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2248 host_client->statsdeltabits[l] |= statsdeltabits[l];
2250 // delete this packet log as it is now obsolete
2251 p->packetnumber = 0;
2256 void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
2259 // scan for packets made obsolete by this ack and delete them
2260 for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++)
2261 if (d->packetlog[i].packetnumber <= framenum)
2262 d->packetlog[i].packetnumber = 0;
2265 void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence)
2267 const entity_state_t *n;
2268 int i, num, l, framenum, packetlognumber, priority;
2270 unsigned char data[128];
2271 entityframe5_packetlog_t *packetlog;
2273 if (prog->max_edicts > d->maxedicts)
2274 EntityFrame5_ExpandEdicts(d, prog->max_edicts);
2276 framenum = d->latestframenum + 1;
2277 d->viewentnum = viewentnum;
2279 // if packet log is full, mark all frames as lost, this will cause
2280 // it to send the lost data again
2281 for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++)
2282 if (d->packetlog[packetlognumber].packetnumber == 0)
2284 if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
2286 Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
2287 EntityFrame5_LostFrame(d, framenum);
2288 packetlognumber = 0;
2291 // prepare the buffer
2292 memset(&buf, 0, sizeof(buf));
2294 buf.maxsize = sizeof(data);
2296 // detect changes in states
2298 for (i = 0, n = states;i < numstates;i++, n++)
2300 // mark gaps in entity numbering as removed entities
2301 for (;num < n->number;num++)
2303 // if the entity used to exist, clear it
2304 if (CHECKPVSBIT(d->visiblebits, num))
2306 CLEARPVSBIT(d->visiblebits, num);
2307 d->deltabits[num] = E5_FULLUPDATE;
2308 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2309 d->states[num] = defaultstate;
2310 d->states[num].number = num;
2313 // update the entity state data
2314 if (!CHECKPVSBIT(d->visiblebits, num))
2316 // entity just spawned in, don't let it completely hog priority
2317 // because of being ancient on the first frame
2318 d->updateframenum[num] = framenum;
2319 // initial priority is a bit high to make projectiles send on the
2320 // first frame, among other things
2321 d->priorities[num] = max(d->priorities[num], 4);
2323 SETPVSBIT(d->visiblebits, num);
2324 d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n);
2325 d->priorities[num] = max(d->priorities[num], 1);
2326 d->states[num] = *n;
2327 d->states[num].number = num;
2328 // advance to next entity so the next iteration doesn't immediately remove it
2331 // all remaining entities are dead
2332 for (;num < d->maxedicts;num++)
2334 if (CHECKPVSBIT(d->visiblebits, num))
2336 CLEARPVSBIT(d->visiblebits, num);
2337 d->deltabits[num] = E5_FULLUPDATE;
2338 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2339 d->states[num] = defaultstate;
2340 d->states[num].number = num;
2344 // if there isn't at least enough room for an empty svc_entities,
2345 // don't bother trying...
2346 if (buf.cursize + 11 > buf.maxsize)
2349 // build lists of entities by priority level
2350 memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
2352 for (num = 0;num < d->maxedicts;num++)
2354 if (d->priorities[num])
2356 if (d->deltabits[num])
2358 if (d->priorities[num] < (ENTITYFRAME5_PRIORITYLEVELS - 1))
2359 d->priorities[num] = EntityState5_Priority(d, num);
2361 priority = d->priorities[num];
2362 if (d->prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES)
2363 d->prioritychains[priority][d->prioritychaincounts[priority]++] = num;
2366 d->priorities[num] = 0;
2370 // add packetlog entry
2371 packetlog = d->packetlog + packetlognumber;
2372 packetlog->packetnumber = framenum;
2373 packetlog->numstates = 0;
2374 // write stat updates
2375 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3 && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
2377 for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++)
2379 if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
2381 host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
2382 packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
2383 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
2385 MSG_WriteByte(msg, svc_updatestatubyte);
2386 MSG_WriteByte(msg, i);
2387 MSG_WriteByte(msg, host_client->stats[i]);
2391 MSG_WriteByte(msg, svc_updatestat);
2392 MSG_WriteByte(msg, i);
2393 MSG_WriteLong(msg, host_client->stats[i]);
2398 // write state updates
2399 if (developer_networkentities.integer >= 10)
2400 Con_Printf("send: svc_entities %i\n", framenum);
2401 d->latestframenum = framenum;
2402 MSG_WriteByte(msg, svc_entities);
2403 MSG_WriteLong(msg, framenum);
2404 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
2405 MSG_WriteLong(msg, movesequence);
2406 for (priority = ENTITYFRAME5_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
2408 for (i = 0;i < d->prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
2410 num = d->prioritychains[priority][i];
2411 n = d->states + num;
2412 if (d->deltabits[num] & E5_FULLUPDATE)
2413 d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n);
2415 EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf);
2416 // if the entity won't fit, try the next one
2417 if (msg->cursize + buf.cursize + 2 > msg->maxsize)
2419 // write entity to the packet
2420 SZ_Write(msg, buf.data, buf.cursize);
2421 // mark age on entity for prioritization
2422 d->updateframenum[num] = framenum;
2423 // log entity so deltabits can be restored later if lost
2424 packetlog->states[packetlog->numstates].number = num;
2425 packetlog->states[packetlog->numstates].bits = d->deltabits[num];
2426 packetlog->numstates++;
2427 // clear deltabits and priority so it won't be sent again
2428 d->deltabits[num] = 0;
2429 d->priorities[num] = 0;
2432 MSG_WriteShort(msg, 0x8000);
2436 static void QW_TranslateEffects(entity_state_t *s, int qweffects)
2439 s->internaleffects = 0;
2440 if (qweffects & QW_EF_BRIGHTFIELD)
2441 s->effects |= EF_BRIGHTFIELD;
2442 if (qweffects & QW_EF_MUZZLEFLASH)
2443 s->effects |= EF_MUZZLEFLASH;
2444 if (qweffects & QW_EF_FLAG1)
2446 // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
2447 if (s->number > cl.maxclients)
2448 s->effects |= EF_NODRAW;
2450 s->internaleffects |= INTEF_FLAG1QW;
2452 if (qweffects & QW_EF_FLAG2)
2454 // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
2455 if (s->number > cl.maxclients)
2456 s->effects |= EF_ADDITIVE;
2458 s->internaleffects |= INTEF_FLAG2QW;
2460 if (qweffects & QW_EF_RED)
2462 if (qweffects & QW_EF_BLUE)
2463 s->effects |= EF_RED | EF_BLUE;
2465 s->effects |= EF_RED;
2467 else if (qweffects & QW_EF_BLUE)
2468 s->effects |= EF_BLUE;
2469 else if (qweffects & QW_EF_BRIGHTLIGHT)
2470 s->effects |= EF_BRIGHTLIGHT;
2471 else if (qweffects & QW_EF_DIMLIGHT)
2472 s->effects |= EF_DIMLIGHT;
2475 void EntityStateQW_ReadPlayerUpdate(void)
2477 int slot = MSG_ReadByte();
2478 int enumber = slot + 1;
2484 // look up the entity
2485 entity_t *ent = cl.entities + enumber;
2489 // slide the current state into the previous
2490 ent->state_previous = ent->state_current;
2493 s = &ent->state_current;
2496 s->number = enumber;
2497 s->colormap = enumber;
2498 playerflags = MSG_ReadShort();
2499 MSG_ReadVector(s->origin, cls.protocol);
2500 s->frame = MSG_ReadByte();
2502 VectorClear(viewangles);
2503 VectorClear(velocity);
2505 if (playerflags & QW_PF_MSEC)
2507 // time difference between last update this player sent to the server,
2508 // and last input we sent to the server (this packet is in response to
2509 // our input, so msec is how long ago the last update of this player
2510 // entity occurred, compared to our input being received)
2511 msec = MSG_ReadByte();
2515 if (playerflags & QW_PF_COMMAND)
2517 bits = MSG_ReadByte();
2518 if (bits & QW_CM_ANGLE1)
2519 viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
2520 if (bits & QW_CM_ANGLE2)
2521 viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
2522 if (bits & QW_CM_ANGLE3)
2523 viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
2524 if (bits & QW_CM_FORWARD)
2525 MSG_ReadShort(); // cmd->forwardmove
2526 if (bits & QW_CM_SIDE)
2527 MSG_ReadShort(); // cmd->sidemove
2528 if (bits & QW_CM_UP)
2529 MSG_ReadShort(); // cmd->upmove
2530 if (bits & QW_CM_BUTTONS)
2531 MSG_ReadByte(); // cmd->buttons
2532 if (bits & QW_CM_IMPULSE)
2533 MSG_ReadByte(); // cmd->impulse
2534 MSG_ReadByte(); // cmd->msec
2536 if (playerflags & QW_PF_VELOCITY1)
2537 velocity[0] = MSG_ReadShort();
2538 if (playerflags & QW_PF_VELOCITY2)
2539 velocity[1] = MSG_ReadShort();
2540 if (playerflags & QW_PF_VELOCITY3)
2541 velocity[2] = MSG_ReadShort();
2542 if (playerflags & QW_PF_MODEL)
2543 s->modelindex = MSG_ReadByte();
2545 s->modelindex = cl.qw_modelindex_player;
2546 if (playerflags & QW_PF_SKINNUM)
2547 s->skin = MSG_ReadByte();
2548 if (playerflags & QW_PF_EFFECTS)
2549 QW_TranslateEffects(s, MSG_ReadByte());
2550 if (playerflags & QW_PF_WEAPONFRAME)
2551 weaponframe = MSG_ReadByte();
2555 if (enumber == cl.playerentity)
2557 // if this is an update on our player, update the angles
2558 VectorCopy(cl.viewangles, viewangles);
2561 // calculate the entity angles from the viewangles
2562 s->angles[0] = viewangles[0] * -0.0333;
2563 s->angles[1] = viewangles[1];
2565 s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
2567 // if this is an update on our player, update interpolation state
2568 if (enumber == cl.playerentity)
2570 VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
2571 VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
2572 VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
2573 cl.mviewzoom[1] = cl.mviewzoom[0];
2576 cl.mpunchangle[0][0] = 0;
2577 cl.mpunchangle[0][1] = 0;
2578 cl.mpunchangle[0][2] = 0;
2579 cl.mpunchvector[0][0] = 0;
2580 cl.mpunchvector[0][1] = 0;
2581 cl.mpunchvector[0][2] = 0;
2582 cl.mvelocity[0][0] = 0;
2583 cl.mvelocity[0][1] = 0;
2584 cl.mvelocity[0][2] = 0;
2585 cl.mviewzoom[0] = 1;
2587 VectorCopy(velocity, cl.mvelocity[0]);
2588 cl.stats[STAT_WEAPONFRAME] = weaponframe;
2589 if (playerflags & QW_PF_GIB)
2590 cl.stats[STAT_VIEWHEIGHT] = 8;
2591 else if (playerflags & QW_PF_DEAD)
2592 cl.stats[STAT_VIEWHEIGHT] = -16;
2594 cl.stats[STAT_VIEWHEIGHT] = 22;
2597 // set the cl.entities_active flag
2598 cl.entities_active[enumber] = s->active;
2599 // set the update time
2600 s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
2601 // check if we need to update the lerp stuff
2603 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2606 static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
2610 s->number = bits & 511;
2612 if (bits & QW_U_MOREBITS)
2613 bits |= MSG_ReadByte();
2615 // store the QW_U_SOLID bit here?
2617 if (bits & QW_U_MODEL)
2618 s->modelindex = MSG_ReadByte();
2619 if (bits & QW_U_FRAME)
2620 s->frame = MSG_ReadByte();
2621 if (bits & QW_U_COLORMAP)
2622 s->colormap = MSG_ReadByte();
2623 if (bits & QW_U_SKIN)
2624 s->skin = MSG_ReadByte();
2625 if (bits & QW_U_EFFECTS)
2626 QW_TranslateEffects(s, qweffects = MSG_ReadByte());
2627 if (bits & QW_U_ORIGIN1)
2628 s->origin[0] = MSG_ReadCoord13i();
2629 if (bits & QW_U_ANGLE1)
2630 s->angles[0] = MSG_ReadAngle8i();
2631 if (bits & QW_U_ORIGIN2)
2632 s->origin[1] = MSG_ReadCoord13i();
2633 if (bits & QW_U_ANGLE2)
2634 s->angles[1] = MSG_ReadAngle8i();
2635 if (bits & QW_U_ORIGIN3)
2636 s->origin[2] = MSG_ReadCoord13i();
2637 if (bits & QW_U_ANGLE3)
2638 s->angles[2] = MSG_ReadAngle8i();
2640 if (developer_networkentities.integer >= 2)
2642 Con_Printf("ReadFields e%i", s->number);
2643 if (bits & QW_U_MODEL)
2644 Con_Printf(" U_MODEL %i", s->modelindex);
2645 if (bits & QW_U_FRAME)
2646 Con_Printf(" U_FRAME %i", s->frame);
2647 if (bits & QW_U_COLORMAP)
2648 Con_Printf(" U_COLORMAP %i", s->colormap);
2649 if (bits & QW_U_SKIN)
2650 Con_Printf(" U_SKIN %i", s->skin);
2651 if (bits & QW_U_EFFECTS)
2652 Con_Printf(" U_EFFECTS %i", qweffects);
2653 if (bits & QW_U_ORIGIN1)
2654 Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
2655 if (bits & QW_U_ANGLE1)
2656 Con_Printf(" U_ANGLE1 %f", s->angles[0]);
2657 if (bits & QW_U_ORIGIN2)
2658 Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
2659 if (bits & QW_U_ANGLE2)
2660 Con_Printf(" U_ANGLE2 %f", s->angles[1]);
2661 if (bits & QW_U_ORIGIN3)
2662 Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
2663 if (bits & QW_U_ANGLE3)
2664 Con_Printf(" U_ANGLE3 %f", s->angles[2]);
2665 if (bits & QW_U_SOLID)
2666 Con_Printf(" U_SOLID");
2671 entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
2673 entityframeqw_database_t *d;
2674 d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
2678 void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
2683 void EntityFrameQW_CL_ReadFrame(qboolean delta)
2685 qboolean invalid = false;
2686 int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
2688 entityframeqw_database_t *d;
2689 entityframeqw_snapshot_t *oldsnap, *newsnap;
2691 if (!cl.entitydatabaseqw)
2692 cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cls.levelmempool);
2693 d = cl.entitydatabaseqw;
2695 // there is no cls.netcon in demos, so this reading code can't access
2696 // cls.netcon-> at all... so cls.qw_incoming_sequence and
2697 // cls.qw_outgoing_sequence are updated every time the corresponding
2698 // cls.netcon->qw. variables are updated
2699 // read the number of this frame to echo back in next input packet
2700 cl.qw_validsequence = cls.qw_incoming_sequence;
2701 newsnapindex = cl.qw_validsequence & QW_UPDATE_MASK;
2702 newsnap = d->snapshot + newsnapindex;
2703 memset(newsnap, 0, sizeof(*newsnap));
2708 number = MSG_ReadByte();
2709 oldsnapindex = cl.qw_deltasequence[newsnapindex];
2710 if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
2711 Con_DPrintf("WARNING: from mismatch\n");
2712 if (oldsnapindex != -1)
2714 if (cls.qw_outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
2716 Con_DPrintf("delta update too old\n");
2717 newsnap->invalid = invalid = true; // too old
2720 oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
2726 // if we can't decode this frame properly, report that to the server
2728 cl.qw_validsequence = 0;
2730 // read entity numbers until we find a 0x0000
2731 // (which would be an empty update on world entity, but is actually a terminator)
2732 newsnap->num_entities = 0;
2736 int word = (unsigned short)MSG_ReadShort();
2738 return; // just return, the main parser will print an error
2739 newnum = word == 0 ? 512 : (word & 511);
2740 oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
2742 // copy unmodified oldsnap entities
2743 while (newnum > oldnum) // delta only
2745 if (developer_networkentities.integer >= 2)
2746 Con_Printf("copy %i\n", oldnum);
2747 // copy one of the old entities
2748 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2749 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2750 newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
2751 newsnap->num_entities++;
2752 oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
2758 if (developer_networkentities.integer >= 2)
2760 if (word & QW_U_REMOVE)
2761 Con_Printf("remove %i\n", newnum);
2762 else if (newnum == oldnum)
2763 Con_Printf("delta %i\n", newnum);
2765 Con_Printf("baseline %i\n", newnum);
2768 if (word & QW_U_REMOVE)
2770 if (newnum != oldnum && !delta && !invalid)
2772 cl.qw_validsequence = 0;
2773 Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
2778 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2779 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2780 newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl.entities[newnum].state_baseline;
2781 EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
2782 newsnap->num_entities++;
2785 if (newnum == oldnum)
2789 // expand cl.num_entities to include every entity we've seen this game
2790 newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
2791 if (cl.num_entities <= newnum)
2793 cl.num_entities = newnum + 1;
2794 if (cl.max_entities < newnum + 1)
2795 CL_ExpandEntities(newnum);
2798 // now update the non-player entities from the snapshot states
2799 number = cl.maxclients + 1;
2800 for (newindex = 0;;newindex++)
2802 newnum = newindex >= newsnap->num_entities ? cl.num_entities : newsnap->entities[newindex].number;
2803 // kill any missing entities
2804 for (;number < newnum;number++)
2806 if (cl.entities_active[number])
2808 cl.entities_active[number] = false;
2809 cl.entities[number].state_current.active = false;
2812 if (number >= cl.num_entities)
2814 // update the entity
2815 ent = &cl.entities[number];
2816 ent->state_previous = ent->state_current;
2817 ent->state_current = newsnap->entities[newindex];
2818 ent->state_current.time = cl.mtime[0];
2819 CL_MoveLerpEntityStates(ent);
2820 // the entity lives again...
2821 cl.entities_active[number] = true;