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];
13 0,//unsigned int customizeentityforclient; // !
14 0,//unsigned short number; // entity number this state is for
15 0,//unsigned short modelindex;
16 0,//unsigned short frame;
17 0,//unsigned short tagentity;
18 0,//unsigned short specialvisibilityradius; // ! larger if it has effects/light
19 0,//unsigned short viewmodelforclient; // !
20 0,//unsigned short exteriormodelforclient; // ! not shown if first person viewing from this entity, shown in all other cases
21 0,//unsigned short nodrawtoclient; // !
22 0,//unsigned short drawonlytoclient; // !
23 {0,0,0,0},//unsigned short light[4]; // color*256 (0.00 to 255.996), and radius*1
24 0,//unsigned char active; // true if a valid state
25 0,//unsigned char lightstyle;
26 0,//unsigned char lightpflags;
27 0,//unsigned char colormap;
28 0,//unsigned char skin; // also chooses cubemap for rtlights if lightpflags & LIGHTPFLAGS_FULLDYNAMIC
29 255,//unsigned char alpha;
30 16,//unsigned char scale;
31 0,//unsigned char glowsize;
32 254,//unsigned char glowcolor;
33 0,//unsigned char flags;
34 0,//unsigned char internaleffects; // INTEF_FLAG1QW and so on
35 0,//unsigned char tagindex;
36 {32, 32, 32},//unsigned char colormod[3];
37 // padding to a multiple of 8 bytes (to align the double time)
38 {0,0,0,0,0}//unsigned char unused[5]; // !
41 // LordHavoc: I own protocol ranges 96, 97, 3500-3599
43 struct protocolversioninfo_s
48 protocolversioninfo[] =
59 {250, "NEHAHRAMOVIE"},
62 {10000, "NEHAHRABJP"},
63 {10001, "NEHAHRABJP2"},
64 {10002, "NEHAHRABJP3"},
68 protocolversion_t Protocol_EnumForName(const char *s)
71 for (i = 1;protocolversioninfo[i].name;i++)
72 if (!strcasecmp(s, protocolversioninfo[i].name))
73 return (protocolversion_t)i;
74 return PROTOCOL_UNKNOWN;
77 const char *Protocol_NameForEnum(protocolversion_t p)
79 return protocolversioninfo[p].name;
82 protocolversion_t Protocol_EnumForNumber(int n)
85 for (i = 1;protocolversioninfo[i].name;i++)
86 if (protocolversioninfo[i].number == n)
87 return (protocolversion_t)i;
88 return PROTOCOL_UNKNOWN;
91 int Protocol_NumberForEnum(protocolversion_t p)
93 return protocolversioninfo[p].number;
96 void Protocol_Names(char *buffer, size_t buffersize)
102 for (i = 1;protocolversioninfo[i].name;i++)
105 strlcat(buffer, " ", buffersize);
106 strlcat(buffer, protocolversioninfo[i].name, buffersize);
110 void EntityFrameQuake_ReadEntity(int bits)
116 if (bits & U_MOREBITS)
117 bits |= (MSG_ReadByte()<<8);
118 if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
120 bits |= MSG_ReadByte() << 16;
121 if (bits & U_EXTEND2)
122 bits |= MSG_ReadByte() << 24;
125 if (bits & U_LONGENTITY)
126 num = (unsigned short) MSG_ReadShort ();
128 num = MSG_ReadByte ();
130 if (num >= MAX_EDICTS)
131 Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS);
133 Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num);
135 if (cl.num_entities <= num)
137 cl.num_entities = num + 1;
138 if (num >= cl.max_entities)
139 CL_ExpandEntities(num);
142 ent = cl.entities + num;
144 // note: this inherits the 'active' state of the baseline chosen
145 // (state_baseline is always active, state_current may not be active if
146 // the entity was missing in the last frame)
148 s = ent->state_current;
151 s = ent->state_baseline;
155 cl.isquakeentity[num] = true;
156 if (cl.lastquakeentity < num)
157 cl.lastquakeentity = num;
159 s.time = cl.mtime[0];
163 if (cls.protocol == PROTOCOL_NEHAHRABJP || cls.protocol == PROTOCOL_NEHAHRABJP2 || cls.protocol == PROTOCOL_NEHAHRABJP3)
164 s.modelindex = (unsigned short) MSG_ReadShort();
166 s.modelindex = (s.modelindex & 0xFF00) | MSG_ReadByte();
168 if (bits & U_FRAME) s.frame = (s.frame & 0xFF00) | MSG_ReadByte();
169 if (bits & U_COLORMAP) s.colormap = MSG_ReadByte();
170 if (bits & U_SKIN) s.skin = MSG_ReadByte();
171 if (bits & U_EFFECTS) s.effects = (s.effects & 0xFF00) | MSG_ReadByte();
172 if (bits & U_ORIGIN1) s.origin[0] = MSG_ReadCoord(cls.protocol);
173 if (bits & U_ANGLE1) s.angles[0] = MSG_ReadAngle(cls.protocol);
174 if (bits & U_ORIGIN2) s.origin[1] = MSG_ReadCoord(cls.protocol);
175 if (bits & U_ANGLE2) s.angles[1] = MSG_ReadAngle(cls.protocol);
176 if (bits & U_ORIGIN3) s.origin[2] = MSG_ReadCoord(cls.protocol);
177 if (bits & U_ANGLE3) s.angles[2] = MSG_ReadAngle(cls.protocol);
178 if (bits & U_STEP) s.flags |= RENDER_STEP;
179 if (bits & U_ALPHA) s.alpha = MSG_ReadByte();
180 if (bits & U_SCALE) s.scale = MSG_ReadByte();
181 if (bits & U_EFFECTS2) s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8);
182 if (bits & U_GLOWSIZE) s.glowsize = MSG_ReadByte();
183 if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte();
184 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));}
185 if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
186 if (bits & U_FRAME2) s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8);
187 if (bits & U_MODEL2) s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8);
188 if (bits & U_VIEWMODEL) s.flags |= RENDER_VIEWMODEL;
189 if (bits & U_EXTERIORMODEL) s.flags |= RENDER_EXTERIORMODEL;
191 // LordHavoc: to allow playback of the Nehahra movie
192 if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
194 // LordHavoc: evil format
195 int i = (int)MSG_ReadFloat();
196 int j = (int)(MSG_ReadFloat() * 255.0f);
199 i = (int)MSG_ReadFloat();
201 s.effects |= EF_FULLBRIGHT;
205 else if (j == 0 || j >= 255)
211 ent->state_previous = ent->state_current;
212 ent->state_current = s;
213 if (ent->state_current.active)
215 CL_MoveLerpEntityStates(ent);
216 cl.entities_active[ent->state_current.number] = true;
220 Host_Error("EntityFrameQuake_ReadEntity: read error");
223 void EntityFrameQuake_ISeeDeadEntities(void)
226 if (cl.lastquakeentity == 0)
228 lastentity = cl.lastquakeentity;
229 cl.lastquakeentity = 0;
230 for (num = 0;num <= lastentity;num++)
232 if (cl.isquakeentity[num])
234 if (cl.entities_active[num] && cl.entities[num].state_current.time == cl.mtime[0])
236 cl.isquakeentity[num] = true;
237 cl.lastquakeentity = num;
241 cl.isquakeentity[num] = false;
242 cl.entities_active[num] = false;
243 cl.entities[num].state_current = defaultstate;
244 cl.entities[num].state_current.number = num;
250 // FIXME FIXME FIXME: at this time the CSQC entity writing does not store
251 // packet logs and thus if an update is lost it is never repeated, this makes
252 // csqc entities useless at the moment.
254 void EntityFrameCSQC_WriteState (sizebuf_t *msg, int number, qboolean doupdate, qboolean *sectionstarted)
257 prvm_eval_t *val, *val2;
261 if (msg->cursize + !*sectionstarted + 2 + 1 + 2 > msg->maxsize)
263 val2 = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.Version);
264 version = (int)val2->_float;
265 // LordHavoc: do some validity checks on self.Version
266 // if self.Version reaches 255, it will soon exceed the byte used to
267 // store an entity version in the client struct, so we need to reset
268 // all the version to 1 and force all the existing clients' version of
269 // it to 255 (which we're not allowing to actually occur)
275 val2->_float = version = 1;
276 // since we just reset the Version field to 1, it may accidentally
277 // end up being equal to an existing client version now or in the
278 // future, so to fix this situation we have to loop over all
279 // clients and change their versions for this entity to be -1
280 // which never matches, thus causing them to receive the update
281 // soon, as they should
282 for (i = 0;i < svs.maxclients;i++)
283 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
284 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 255;
287 // if the version already matches, we don't need to do anything as the
288 // latest version has already been sent.
289 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] == version)
293 // if there's no SendEntity function, treat it as a remove
294 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
297 // there is a function to call, save the cursize value incase we
298 // have to do a rollback due to overflow
299 int oldcursize = msg->cursize;
301 MSG_WriteByte(msg, svc_csqcentities);
302 MSG_WriteShort(msg, number);
303 ((int *)prog->globals.generic)[OFS_PARM0] = sv.writeentitiestoclient_cliententitynumber;
304 prog->globals.server->self = number;
305 PRVM_ExecuteProgram(val->function, "Null SendEntity\n");
306 if(prog->globals.generic[OFS_RETURN])
308 if (msg->cursize + 2 > msg->maxsize)
310 // if the packet no longer has enough room to write the
311 // final index code that ends the message, rollback to the
312 // state before we tried to write anything and then return
313 msg->cursize = oldcursize;
314 msg->overflowed = false;
317 // an update has been successfully written, update the version
318 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = version;
319 // and take note that we have begun the svc_csqcentities
320 // section of the packet
326 // rollback the buffer to its state before the writes
327 msg->cursize = oldcursize;
328 // if the function returned FALSE, simply write a remove
329 // this is done by falling through to the remove code below
334 // write a remove message if needed
335 // if already removed, do nothing
336 if (!svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
338 // if there isn't enough room to write the remove message, just return, as
339 // it will be handled in a later packet
340 if (msg->cursize + !*sectionstarted + 2 + 2 > msg->maxsize)
342 // first write the message identifier if needed
346 MSG_WriteByte(msg, svc_csqcentities);
348 // write the remove message
349 MSG_WriteShort(msg, (unsigned short)number | 0x8000);
350 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 0;
353 //[515]: we use only one array per-client for SendEntity feature
354 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states)
357 qboolean sectionstarted = false;
358 const entity_state_t *n;
360 // if this server progs is not CSQC-aware, return early
361 if(prog->fieldoffsets.SendEntity < 0 || prog->fieldoffsets.Version < 0)
363 // make sure there is enough room to store the svc_csqcentities byte,
364 // the terminator (0x0000) and at least one entity update
365 if (msg->cursize + 32 >= msg->maxsize)
369 for (i = 0, n = states;i < numstates;i++, n++)
371 // all entities between the previous entity state and this one are dead
372 for (;num < n->number;num++)
373 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
374 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
375 // update this entity
376 EntityFrameCSQC_WriteState(msg, num, true, §ionstarted);
377 // advance to next entity so the next iteration doesn't immediately remove it
380 // all remaining entities are dead
381 for (;num < prog->num_edicts;num++)
382 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
383 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
386 // write index 0 to end the update (0 is never used by real entities)
387 MSG_WriteShort(msg, 0);
391 void Protocol_UpdateClientStats(const int *stats)
394 // update the stats array and set deltabits for any changed stats
395 for (i = 0;i < MAX_CL_STATS;i++)
397 if (host_client->stats[i] != stats[i])
399 host_client->statsdeltabits[i >> 3] |= 1 << (i & 7);
400 host_client->stats[i] = stats[i];
405 // only a few stats are within the 32 stat limit of Quake, and most of them
406 // are sent every frame in svc_clientdata messages, so we only send the
407 // remaining ones here
408 static const int sendquakestats[] =
410 // quake did not send these secrets/monsters stats in this way, but doing so
411 // allows a mod to increase STAT_TOTALMONSTERS during the game, and ensures
412 // that STAT_SECRETS and STAT_MONSTERS are always correct (even if a client
413 // didn't receive an svc_foundsecret or svc_killedmonster), which may be most
414 // valuable if randomly seeking around in a demo
415 STAT_TOTALSECRETS, // never changes during game
416 STAT_TOTALMONSTERS, // changes in some mods
417 STAT_SECRETS, // this makes svc_foundsecret unnecessary
418 STAT_MONSTERS, // this makes svc_killedmonster unnecessary
419 STAT_VIEWHEIGHT, // sent just for FTEQW clients
420 STAT_VIEWZOOM, // this rarely changes
424 void Protocol_WriteStatsReliable(void)
427 if (!host_client->netconnection)
429 // detect changes in stats and write reliable messages
430 // this only deals with 32 stats because the older protocols which use
431 // this function can only cope with 32 stats,
432 // they also do not support svc_updatestatubyte which was introduced in
433 // DP6 protocol (except for QW)
434 for (j = 0;sendquakestats[j] >= 0;j++)
436 i = sendquakestats[j];
437 // check if this bit is set
438 if (host_client->statsdeltabits[i >> 3] & (1 << (i & 7)))
440 host_client->statsdeltabits[i >> 3] -= (1 << (i & 7));
441 // send the stat as a byte if possible
442 if (sv.protocol == PROTOCOL_QUAKEWORLD)
444 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
446 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestat);
447 MSG_WriteByte(&host_client->netconnection->message, i);
448 MSG_WriteByte(&host_client->netconnection->message, host_client->stats[i]);
452 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestatlong);
453 MSG_WriteByte(&host_client->netconnection->message, i);
454 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
459 // this could make use of svc_updatestatubyte in DP6 and later
460 // protocols but those protocols do not use this function
461 MSG_WriteByte(&host_client->netconnection->message, svc_updatestat);
462 MSG_WriteByte(&host_client->netconnection->message, i);
463 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
470 void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_state_t *states)
472 const entity_state_t *s;
473 entity_state_t baseline;
476 unsigned char data[128];
479 // prepare the buffer
480 memset(&buf, 0, sizeof(buf));
482 buf.maxsize = sizeof(data);
484 for (i = 0, s = states;i < numstates;i++, s++)
486 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
487 if(val && val->function)
490 // prepare the buffer
495 if (s->number >= 256)
496 bits |= U_LONGENTITY;
497 if (s->flags & RENDER_STEP)
499 if (s->flags & RENDER_VIEWMODEL)
501 if (s->flags & RENDER_GLOWTRAIL)
503 if (s->flags & RENDER_EXTERIORMODEL)
504 bits |= U_EXTERIORMODEL;
506 // LordHavoc: old stuff, but rewritten to have more exact tolerances
507 baseline = prog->edicts[s->number].priv.server->baseline;
508 if (baseline.origin[0] != s->origin[0])
510 if (baseline.origin[1] != s->origin[1])
512 if (baseline.origin[2] != s->origin[2])
514 if (baseline.angles[0] != s->angles[0])
516 if (baseline.angles[1] != s->angles[1])
518 if (baseline.angles[2] != s->angles[2])
520 if (baseline.colormap != s->colormap)
522 if (baseline.skin != s->skin)
524 if (baseline.frame != s->frame)
527 if (s->frame & 0xFF00)
530 if (baseline.effects != s->effects)
533 if (s->effects & 0xFF00)
536 if (baseline.modelindex != s->modelindex)
539 if ((s->modelindex & 0xFF00) && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
542 if (baseline.alpha != s->alpha)
544 if (baseline.scale != s->scale)
546 if (baseline.glowsize != s->glowsize)
548 if (baseline.glowcolor != s->glowcolor)
550 if (!VectorCompare(baseline.colormod, s->colormod))
553 // if extensions are disabled, clear the relevant update flags
554 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
556 if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
557 if (s->alpha != 255 || s->effects & EF_FULLBRIGHT)
561 if (bits >= 16777216)
569 MSG_WriteByte (&buf, bits);
570 if (bits & U_MOREBITS) MSG_WriteByte(&buf, bits>>8);
571 if (sv.protocol != PROTOCOL_NEHAHRAMOVIE)
573 if (bits & U_EXTEND1) MSG_WriteByte(&buf, bits>>16);
574 if (bits & U_EXTEND2) MSG_WriteByte(&buf, bits>>24);
576 if (bits & U_LONGENTITY) MSG_WriteShort(&buf, s->number);
577 else MSG_WriteByte(&buf, s->number);
581 if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
582 MSG_WriteShort(&buf, s->modelindex);
584 MSG_WriteByte(&buf, s->modelindex);
586 if (bits & U_FRAME) MSG_WriteByte(&buf, s->frame);
587 if (bits & U_COLORMAP) MSG_WriteByte(&buf, s->colormap);
588 if (bits & U_SKIN) MSG_WriteByte(&buf, s->skin);
589 if (bits & U_EFFECTS) MSG_WriteByte(&buf, s->effects);
590 if (bits & U_ORIGIN1) MSG_WriteCoord(&buf, s->origin[0], sv.protocol);
591 if (bits & U_ANGLE1) MSG_WriteAngle(&buf, s->angles[0], sv.protocol);
592 if (bits & U_ORIGIN2) MSG_WriteCoord(&buf, s->origin[1], sv.protocol);
593 if (bits & U_ANGLE2) MSG_WriteAngle(&buf, s->angles[1], sv.protocol);
594 if (bits & U_ORIGIN3) MSG_WriteCoord(&buf, s->origin[2], sv.protocol);
595 if (bits & U_ANGLE3) MSG_WriteAngle(&buf, s->angles[2], sv.protocol);
596 if (bits & U_ALPHA) MSG_WriteByte(&buf, s->alpha);
597 if (bits & U_SCALE) MSG_WriteByte(&buf, s->scale);
598 if (bits & U_EFFECTS2) MSG_WriteByte(&buf, s->effects >> 8);
599 if (bits & U_GLOWSIZE) MSG_WriteByte(&buf, s->glowsize);
600 if (bits & U_GLOWCOLOR) MSG_WriteByte(&buf, s->glowcolor);
601 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);}
602 if (bits & U_FRAME2) MSG_WriteByte(&buf, s->frame >> 8);
603 if (bits & U_MODEL2) MSG_WriteByte(&buf, s->modelindex >> 8);
605 // the nasty protocol
606 if ((bits & U_EXTEND1) && sv.protocol == PROTOCOL_NEHAHRAMOVIE)
608 if (s->effects & EF_FULLBRIGHT)
610 MSG_WriteFloat(&buf, 2); // QSG protocol version
611 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
612 MSG_WriteFloat(&buf, 1); // fullbright
616 MSG_WriteFloat(&buf, 1); // QSG protocol version
617 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
621 // if the commit is full, we're done this frame
622 if (msg->cursize + buf.cursize > msg->maxsize)
624 // next frame we will continue where we left off
627 // write the message to the packet
628 SZ_Write(msg, buf.data, buf.cursize);
632 int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
635 // if o is not active, delta from default
639 if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f))
641 if (fabs(n->origin[1] - o->origin[1]) > (1.0f / 256.0f))
643 if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f))
645 if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f)))
647 if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f)))
649 if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f)))
651 if ((n->modelindex ^ o->modelindex) & 0x00FF)
653 if ((n->modelindex ^ o->modelindex) & 0xFF00)
655 if ((n->frame ^ o->frame) & 0x00FF)
657 if ((n->frame ^ o->frame) & 0xFF00)
659 if ((n->effects ^ o->effects) & 0x00FF)
661 if ((n->effects ^ o->effects) & 0xFF00)
663 if (n->colormap != o->colormap)
665 if (n->skin != o->skin)
667 if (n->alpha != o->alpha)
669 if (n->scale != o->scale)
671 if (n->glowsize != o->glowsize)
673 if (n->glowcolor != o->glowcolor)
675 if (n->flags != o->flags)
677 if (n->tagindex != o->tagindex || n->tagentity != o->tagentity)
678 bits |= E_TAGATTACHMENT;
679 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])
681 if (n->lightstyle != o->lightstyle)
682 bits |= E_LIGHTSTYLE;
683 if (n->lightpflags != o->lightpflags)
684 bits |= E_LIGHTPFLAGS;
688 if (bits & 0xFF000000)
690 if (bits & 0x00FF0000)
692 if (bits & 0x0000FF00)
698 void EntityState_WriteExtendBits(sizebuf_t *msg, unsigned int bits)
700 MSG_WriteByte(msg, bits & 0xFF);
701 if (bits & 0x00000080)
703 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
704 if (bits & 0x00008000)
706 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
707 if (bits & 0x00800000)
708 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
713 void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned int bits)
715 if (sv.protocol == PROTOCOL_DARKPLACES2)
717 if (bits & E_ORIGIN1)
718 MSG_WriteCoord16i(msg, ent->origin[0]);
719 if (bits & E_ORIGIN2)
720 MSG_WriteCoord16i(msg, ent->origin[1]);
721 if (bits & E_ORIGIN3)
722 MSG_WriteCoord16i(msg, ent->origin[2]);
726 // LordHavoc: have to write flags first, as they can modify protocol
728 MSG_WriteByte(msg, ent->flags);
729 if (ent->flags & RENDER_LOWPRECISION)
731 if (bits & E_ORIGIN1)
732 MSG_WriteCoord16i(msg, ent->origin[0]);
733 if (bits & E_ORIGIN2)
734 MSG_WriteCoord16i(msg, ent->origin[1]);
735 if (bits & E_ORIGIN3)
736 MSG_WriteCoord16i(msg, ent->origin[2]);
740 if (bits & E_ORIGIN1)
741 MSG_WriteCoord32f(msg, ent->origin[0]);
742 if (bits & E_ORIGIN2)
743 MSG_WriteCoord32f(msg, ent->origin[1]);
744 if (bits & E_ORIGIN3)
745 MSG_WriteCoord32f(msg, ent->origin[2]);
748 if ((sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4) && (ent->flags & RENDER_LOWPRECISION))
751 MSG_WriteAngle8i(msg, ent->angles[0]);
753 MSG_WriteAngle8i(msg, ent->angles[1]);
755 MSG_WriteAngle8i(msg, ent->angles[2]);
760 MSG_WriteAngle16i(msg, ent->angles[0]);
762 MSG_WriteAngle16i(msg, ent->angles[1]);
764 MSG_WriteAngle16i(msg, ent->angles[2]);
767 MSG_WriteByte(msg, ent->modelindex & 0xFF);
769 MSG_WriteByte(msg, (ent->modelindex >> 8) & 0xFF);
771 MSG_WriteByte(msg, ent->frame & 0xFF);
773 MSG_WriteByte(msg, (ent->frame >> 8) & 0xFF);
774 if (bits & E_EFFECTS1)
775 MSG_WriteByte(msg, ent->effects & 0xFF);
776 if (bits & E_EFFECTS2)
777 MSG_WriteByte(msg, (ent->effects >> 8) & 0xFF);
778 if (bits & E_COLORMAP)
779 MSG_WriteByte(msg, ent->colormap);
781 MSG_WriteByte(msg, ent->skin);
783 MSG_WriteByte(msg, ent->alpha);
785 MSG_WriteByte(msg, ent->scale);
786 if (bits & E_GLOWSIZE)
787 MSG_WriteByte(msg, ent->glowsize);
788 if (bits & E_GLOWCOLOR)
789 MSG_WriteByte(msg, ent->glowcolor);
790 if (sv.protocol == PROTOCOL_DARKPLACES2)
792 MSG_WriteByte(msg, ent->flags);
793 if (bits & E_TAGATTACHMENT)
795 MSG_WriteShort(msg, ent->tagentity);
796 MSG_WriteByte(msg, ent->tagindex);
800 MSG_WriteShort(msg, ent->light[0]);
801 MSG_WriteShort(msg, ent->light[1]);
802 MSG_WriteShort(msg, ent->light[2]);
803 MSG_WriteShort(msg, ent->light[3]);
805 if (bits & E_LIGHTSTYLE)
806 MSG_WriteByte(msg, ent->lightstyle);
807 if (bits & E_LIGHTPFLAGS)
808 MSG_WriteByte(msg, ent->lightpflags);
811 void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const entity_state_t *delta)
816 // entity is active, check for changes from the delta
817 if ((bits = EntityState_DeltaBits(delta, ent)))
819 // write the update number, bits, and fields
820 MSG_WriteShort(msg, ent->number);
821 EntityState_WriteExtendBits(msg, bits);
822 EntityState_WriteFields(ent, msg, bits);
827 // entity is inactive, check if the delta was active
830 // write the remove number
831 MSG_WriteShort(msg, ent->number | 0x8000);
836 int EntityState_ReadExtendBits(void)
839 bits = MSG_ReadByte();
840 if (bits & 0x00000080)
842 bits |= MSG_ReadByte() << 8;
843 if (bits & 0x00008000)
845 bits |= MSG_ReadByte() << 16;
846 if (bits & 0x00800000)
847 bits |= MSG_ReadByte() << 24;
853 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
855 if (cls.protocol == PROTOCOL_DARKPLACES2)
857 if (bits & E_ORIGIN1)
858 e->origin[0] = MSG_ReadCoord16i();
859 if (bits & E_ORIGIN2)
860 e->origin[1] = MSG_ReadCoord16i();
861 if (bits & E_ORIGIN3)
862 e->origin[2] = MSG_ReadCoord16i();
867 e->flags = MSG_ReadByte();
868 if (e->flags & RENDER_LOWPRECISION)
870 if (bits & E_ORIGIN1)
871 e->origin[0] = MSG_ReadCoord16i();
872 if (bits & E_ORIGIN2)
873 e->origin[1] = MSG_ReadCoord16i();
874 if (bits & E_ORIGIN3)
875 e->origin[2] = MSG_ReadCoord16i();
879 if (bits & E_ORIGIN1)
880 e->origin[0] = MSG_ReadCoord32f();
881 if (bits & E_ORIGIN2)
882 e->origin[1] = MSG_ReadCoord32f();
883 if (bits & E_ORIGIN3)
884 e->origin[2] = MSG_ReadCoord32f();
887 if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
890 e->angles[0] = MSG_ReadAngle16i();
892 e->angles[1] = MSG_ReadAngle16i();
894 e->angles[2] = MSG_ReadAngle16i();
899 e->angles[0] = MSG_ReadAngle8i();
901 e->angles[1] = MSG_ReadAngle8i();
903 e->angles[2] = MSG_ReadAngle8i();
906 e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte();
908 e->modelindex = (e->modelindex & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
910 e->frame = (e->frame & 0xFF00) | (unsigned int) MSG_ReadByte();
912 e->frame = (e->frame & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
913 if (bits & E_EFFECTS1)
914 e->effects = (e->effects & 0xFF00) | (unsigned int) MSG_ReadByte();
915 if (bits & E_EFFECTS2)
916 e->effects = (e->effects & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
917 if (bits & E_COLORMAP)
918 e->colormap = MSG_ReadByte();
920 e->skin = MSG_ReadByte();
922 e->alpha = MSG_ReadByte();
924 e->scale = MSG_ReadByte();
925 if (bits & E_GLOWSIZE)
926 e->glowsize = MSG_ReadByte();
927 if (bits & E_GLOWCOLOR)
928 e->glowcolor = MSG_ReadByte();
929 if (cls.protocol == PROTOCOL_DARKPLACES2)
931 e->flags = MSG_ReadByte();
932 if (bits & E_TAGATTACHMENT)
934 e->tagentity = (unsigned short) MSG_ReadShort();
935 e->tagindex = MSG_ReadByte();
939 e->light[0] = (unsigned short) MSG_ReadShort();
940 e->light[1] = (unsigned short) MSG_ReadShort();
941 e->light[2] = (unsigned short) MSG_ReadShort();
942 e->light[3] = (unsigned short) MSG_ReadShort();
944 if (bits & E_LIGHTSTYLE)
945 e->lightstyle = MSG_ReadByte();
946 if (bits & E_LIGHTPFLAGS)
947 e->lightpflags = MSG_ReadByte();
949 if (developer_networkentities.integer >= 2)
951 Con_Printf("ReadFields e%i", e->number);
953 if (bits & E_ORIGIN1)
954 Con_Printf(" E_ORIGIN1 %f", e->origin[0]);
955 if (bits & E_ORIGIN2)
956 Con_Printf(" E_ORIGIN2 %f", e->origin[1]);
957 if (bits & E_ORIGIN3)
958 Con_Printf(" E_ORIGIN3 %f", e->origin[2]);
960 Con_Printf(" E_ANGLE1 %f", e->angles[0]);
962 Con_Printf(" E_ANGLE2 %f", e->angles[1]);
964 Con_Printf(" E_ANGLE3 %f", e->angles[2]);
965 if (bits & (E_MODEL1 | E_MODEL2))
966 Con_Printf(" E_MODEL %i", e->modelindex);
968 if (bits & (E_FRAME1 | E_FRAME2))
969 Con_Printf(" E_FRAME %i", e->frame);
970 if (bits & (E_EFFECTS1 | E_EFFECTS2))
971 Con_Printf(" E_EFFECTS %i", e->effects);
973 Con_Printf(" E_ALPHA %f", e->alpha / 255.0f);
975 Con_Printf(" E_SCALE %f", e->scale / 16.0f);
976 if (bits & E_COLORMAP)
977 Con_Printf(" E_COLORMAP %i", e->colormap);
979 Con_Printf(" E_SKIN %i", e->skin);
981 if (bits & E_GLOWSIZE)
982 Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4);
983 if (bits & E_GLOWCOLOR)
984 Con_Printf(" E_GLOWCOLOR %i", e->glowcolor);
987 Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]);
988 if (bits & E_LIGHTPFLAGS)
989 Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags);
991 if (bits & E_TAGATTACHMENT)
992 Con_Printf(" E_TAGATTACHMENT e%i:%i", e->tagentity, e->tagindex);
993 if (bits & E_LIGHTSTYLE)
994 Con_Printf(" E_LIGHTSTYLE %i", e->lightstyle);
999 // (client and server) allocates a new empty database
1000 entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool)
1002 return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t));
1005 // (client and server) frees the database
1006 void EntityFrame_FreeDatabase(entityframe_database_t *d)
1011 // (server) clears the database to contain no frames (thus delta compression compresses against nothing)
1012 void EntityFrame_ClearDatabase(entityframe_database_t *d)
1014 memset(d, 0, sizeof(*d));
1017 // (server and client) removes frames older than 'frame' from database
1018 void EntityFrame_AckFrame(entityframe_database_t *d, int frame)
1021 d->ackframenum = frame;
1022 for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++);
1023 // ignore outdated frame acks (out of order packets)
1027 // if some queue is left, slide it down to beginning of array
1029 memmove(&d->frames[0], &d->frames[i], sizeof(d->frames[0]) * d->numframes);
1032 // (server) clears frame, to prepare for adding entities
1033 void EntityFrame_Clear(entity_frame_t *f, vec3_t eye, int framenum)
1036 f->framenum = framenum;
1039 VectorClear(f->eye);
1041 VectorCopy(eye, f->eye);
1044 // (server and client) reads a frame from the database
1045 void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f)
1048 EntityFrame_Clear(f, NULL, -1);
1049 for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++);
1050 if (i < d->numframes && framenum == d->frames[i].framenum)
1052 f->framenum = framenum;
1053 f->numentities = d->frames[i].endentity - d->frames[i].firstentity;
1054 n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE);
1055 if (n > f->numentities)
1057 memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n);
1058 if (f->numentities > n)
1059 memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n));
1060 VectorCopy(d->eye, f->eye);
1064 // (server and client) adds a entity_frame to the database, for future reference
1065 void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata)
1068 entity_frameinfo_t *info;
1070 VectorCopy(eye, d->eye);
1072 // figure out how many entity slots are used already
1075 n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
1076 if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
1078 // ran out of room, dump database
1079 EntityFrame_ClearDatabase(d);
1083 info = &d->frames[d->numframes];
1084 info->framenum = framenum;
1086 // make sure we check the newly added frame as well, but we haven't incremented numframes yet
1087 for (n = 0;n <= d->numframes;n++)
1089 if (e >= d->frames[n].framenum)
1092 Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
1094 Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
1097 e = d->frames[n].framenum;
1099 // if database still has frames after that...
1101 info->firstentity = d->frames[d->numframes - 1].endentity;
1103 info->firstentity = 0;
1104 info->endentity = info->firstentity + numentities;
1107 n = info->firstentity % MAX_ENTITY_DATABASE;
1108 e = MAX_ENTITY_DATABASE - n;
1109 if (e > numentities)
1111 memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
1112 if (numentities > e)
1113 memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
1116 // (server) writes a frame to network stream
1117 void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
1119 int i, onum, number;
1120 entity_frame_t *o = &d->deltaframe;
1121 const entity_state_t *ent, *delta;
1125 d->latestframenum++;
1128 for (i = 0;i < numstates;i++)
1130 if (states[i].number == viewentnum)
1132 VectorSet(eye, states[i].origin[0], states[i].origin[1], states[i].origin[2] + 22);
1137 EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states);
1139 EntityFrame_FetchFrame(d, d->ackframenum, o);
1141 MSG_WriteByte (msg, svc_entities);
1142 MSG_WriteLong (msg, o->framenum);
1143 MSG_WriteLong (msg, d->latestframenum);
1144 MSG_WriteFloat (msg, eye[0]);
1145 MSG_WriteFloat (msg, eye[1]);
1146 MSG_WriteFloat (msg, eye[2]);
1149 for (i = 0;i < numstates;i++)
1152 number = ent->number;
1154 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
1155 if(val && val->function)
1157 for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
1159 // write remove message
1160 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1162 if (onum < o->numentities && (o->entitydata[onum].number == number))
1164 // delta from previous frame
1165 delta = o->entitydata + onum;
1166 // advance to next entity in delta frame
1171 // delta from defaults
1172 delta = &defaultstate;
1174 EntityState_WriteUpdate(ent, msg, delta);
1176 for (;onum < o->numentities;onum++)
1178 // write remove message
1179 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1181 MSG_WriteShort(msg, 0xFFFF);
1184 // (client) reads a frame from network stream
1185 void EntityFrame_CL_ReadFrame(void)
1187 int i, number, removed;
1188 entity_frame_t *f, *delta;
1189 entity_state_t *e, *old, *oldend;
1191 entityframe_database_t *d;
1192 if (!cl.entitydatabase)
1193 cl.entitydatabase = EntityFrame_AllocDatabase(cls.levelmempool);
1194 d = cl.entitydatabase;
1196 delta = &d->deltaframe;
1198 EntityFrame_Clear(f, NULL, -1);
1200 // read the frame header info
1201 f->time = cl.mtime[0];
1202 number = MSG_ReadLong();
1203 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1204 cl.latestframenums[i] = cl.latestframenums[i+1];
1205 cl.latestframenums[LATESTFRAMENUMS-1] = f->framenum = MSG_ReadLong();
1206 f->eye[0] = MSG_ReadFloat();
1207 f->eye[1] = MSG_ReadFloat();
1208 f->eye[2] = MSG_ReadFloat();
1209 EntityFrame_AckFrame(d, number);
1210 EntityFrame_FetchFrame(d, number, delta);
1211 old = delta->entitydata;
1212 oldend = old + delta->numentities;
1213 // read entities until we hit the magic 0xFFFF end tag
1214 while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread)
1217 Host_Error("EntityFrame_Read: read error");
1218 removed = number & 0x8000;
1220 if (number >= MAX_EDICTS)
1221 Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
1223 // seek to entity, while copying any skipped entities (assume unchanged)
1224 while (old < oldend && old->number < number)
1226 if (f->numentities >= MAX_ENTITY_DATABASE)
1227 Host_Error("EntityFrame_Read: entity list too big");
1228 f->entitydata[f->numentities] = *old++;
1229 f->entitydata[f->numentities++].time = cl.mtime[0];
1233 if (old < oldend && old->number == number)
1236 Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number);
1240 if (f->numentities >= MAX_ENTITY_DATABASE)
1241 Host_Error("EntityFrame_Read: entity list too big");
1243 // reserve this slot
1244 e = f->entitydata + f->numentities++;
1246 if (old < oldend && old->number == number)
1248 // delta from old entity
1253 // delta from defaults
1257 if (cl.num_entities <= number)
1259 cl.num_entities = number + 1;
1260 if (number >= cl.max_entities)
1261 CL_ExpandEntities(number);
1263 cl.entities_active[number] = true;
1265 e->time = cl.mtime[0];
1267 EntityState_ReadFields(e, EntityState_ReadExtendBits());
1270 while (old < oldend)
1272 if (f->numentities >= MAX_ENTITY_DATABASE)
1273 Host_Error("EntityFrame_Read: entity list too big");
1274 f->entitydata[f->numentities] = *old++;
1275 f->entitydata[f->numentities++].time = cl.mtime[0];
1277 EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
1279 memset(cl.entities_active, 0, cl.num_entities * sizeof(unsigned char));
1281 for (i = 0;i < f->numentities;i++)
1283 for (;number < f->entitydata[i].number && number < cl.num_entities;number++)
1285 if (cl.entities_active[number])
1287 cl.entities_active[number] = false;
1288 cl.entities[number].state_current.active = false;
1291 if (number >= cl.num_entities)
1293 // update the entity
1294 ent = &cl.entities[number];
1295 ent->state_previous = ent->state_current;
1296 ent->state_current = f->entitydata[i];
1297 CL_MoveLerpEntityStates(ent);
1298 // the entity lives again...
1299 cl.entities_active[number] = true;
1302 for (;number < cl.num_entities;number++)
1304 if (cl.entities_active[number])
1306 cl.entities_active[number] = false;
1307 cl.entities[number].state_current.active = false;
1313 // (client) returns the frame number of the most recent frame recieved
1314 int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d)
1317 return d->frames[d->numframes - 1].framenum;
1327 entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number)
1329 if (d->maxreferenceentities <= number)
1331 int oldmax = d->maxreferenceentities;
1332 entity_state_t *oldentity = d->referenceentity;
1333 d->maxreferenceentities = (number + 15) & ~7;
1334 d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
1337 memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
1338 Mem_Free(oldentity);
1340 // clear the newly created entities
1341 for (;oldmax < d->maxreferenceentities;oldmax++)
1343 d->referenceentity[oldmax] = defaultstate;
1344 d->referenceentity[oldmax].number = oldmax;
1347 return d->referenceentity + number;
1350 void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s)
1352 // resize commit's entity list if full
1353 if (d->currentcommit->maxentities <= d->currentcommit->numentities)
1355 entity_state_t *oldentity = d->currentcommit->entity;
1356 d->currentcommit->maxentities += 8;
1357 d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
1360 memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
1361 Mem_Free(oldentity);
1364 d->currentcommit->entity[d->currentcommit->numentities++] = *s;
1367 entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
1369 entityframe4_database_t *d;
1370 d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
1372 EntityFrame4_ResetDatabase(d);
1376 void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
1379 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1380 if (d->commit[i].entity)
1381 Mem_Free(d->commit[i].entity);
1382 if (d->referenceentity)
1383 Mem_Free(d->referenceentity);
1387 void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
1390 d->referenceframenum = -1;
1391 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1392 d->commit[i].numentities = 0;
1393 for (i = 0;i < d->maxreferenceentities;i++)
1394 d->referenceentity[i] = defaultstate;
1397 int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode)
1400 entity_database4_commit_t *commit;
1403 // reset reference, but leave commits alone
1404 d->referenceframenum = -1;
1405 for (i = 0;i < d->maxreferenceentities;i++)
1406 d->referenceentity[i] = defaultstate;
1407 // if this is the server, remove commits
1408 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1409 commit->numentities = 0;
1412 else if (d->referenceframenum == framenum)
1417 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1419 if (commit->numentities && commit->framenum <= framenum)
1421 if (commit->framenum == framenum)
1424 d->referenceframenum = framenum;
1425 if (developer_networkentities.integer >= 3)
1427 for (j = 0;j < commit->numentities;j++)
1429 entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
1430 if (commit->entity[j].active != s->active)
1432 if (commit->entity[j].active)
1433 Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1435 Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1437 *s = commit->entity[j];
1441 for (j = 0;j < commit->numentities;j++)
1442 *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j];
1444 commit->numentities = 0;
1448 if (developer_networkentities.integer >= 1)
1450 Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum);
1451 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1452 if (d->commit[i].numentities)
1453 Con_Printf(" %i", d->commit[i].framenum);
1459 void EntityFrame4_CL_ReadFrame(void)
1461 int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false;
1463 entityframe4_database_t *d;
1464 if (!cl.entitydatabase4)
1465 cl.entitydatabase4 = EntityFrame4_AllocDatabase(cls.levelmempool);
1466 d = cl.entitydatabase4;
1467 // read the number of the frame this refers to
1468 referenceframenum = MSG_ReadLong();
1469 // read the number of this frame
1470 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1471 cl.latestframenums[i] = cl.latestframenums[i+1];
1472 cl.latestframenums[LATESTFRAMENUMS-1] = framenum = MSG_ReadLong();
1473 // read the start number
1474 enumber = (unsigned short) MSG_ReadShort();
1475 if (developer_networkentities.integer >= 10)
1477 Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum);
1478 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1479 if (d->commit[i].numentities)
1480 Con_Printf(" %i", d->commit[i].framenum);
1483 if (!EntityFrame4_AckFrame(d, referenceframenum, false))
1485 Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n");
1488 d->currentcommit = NULL;
1489 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1491 if (!d->commit[i].numentities)
1493 d->currentcommit = d->commit + i;
1494 d->currentcommit->framenum = framenum;
1495 d->currentcommit->numentities = 0;
1498 if (d->currentcommit == NULL)
1500 Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum);
1504 while (!done && !msg_badread)
1506 // read the number of the modified entity
1507 // (gaps will be copied unmodified)
1508 n = (unsigned short)MSG_ReadShort();
1511 // no more entities in this update, but we still need to copy the
1512 // rest of the reference entities (final gap)
1514 // read end of range number, then process normally
1515 n = (unsigned short)MSG_ReadShort();
1517 // high bit means it's a remove message
1518 cnumber = n & 0x7FFF;
1519 // if this is a live entity we may need to expand the array
1520 if (cl.num_entities <= cnumber && !(n & 0x8000))
1522 cl.num_entities = cnumber + 1;
1523 if (cnumber >= cl.max_entities)
1524 CL_ExpandEntities(cnumber);
1526 // add one (the changed one) if not done
1527 stopnumber = cnumber + !done;
1528 // process entities in range from the last one to the changed one
1529 for (;enumber < stopnumber;enumber++)
1531 if (skip || enumber >= cl.num_entities)
1533 if (enumber == cnumber && (n & 0x8000) == 0)
1535 entity_state_t tempstate;
1536 EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits());
1540 // slide the current into the previous slot
1541 cl.entities[enumber].state_previous = cl.entities[enumber].state_current;
1542 // copy a new current from reference database
1543 cl.entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber);
1544 s = &cl.entities[enumber].state_current;
1545 // if this is the one to modify, read more data...
1546 if (enumber == cnumber)
1551 if (developer_networkentities.integer >= 2)
1552 Con_Printf("entity %i: remove\n", enumber);
1558 if (developer_networkentities.integer >= 2)
1559 Con_Printf("entity %i: update\n", enumber);
1561 EntityState_ReadFields(s, EntityState_ReadExtendBits());
1564 else if (developer_networkentities.integer >= 4)
1565 Con_Printf("entity %i: copy\n", enumber);
1566 // set the cl.entities_active flag
1567 cl.entities_active[enumber] = s->active;
1568 // set the update time
1569 s->time = cl.mtime[0];
1570 // fix the number (it gets wiped occasionally by copying from defaultstate)
1571 s->number = enumber;
1572 // check if we need to update the lerp stuff
1574 CL_MoveLerpEntityStates(&cl.entities[enumber]);
1575 // add this to the commit entry whether it is modified or not
1576 if (d->currentcommit)
1577 EntityFrame4_AddCommitEntity(d, &cl.entities[enumber].state_current);
1578 // print extra messages if desired
1579 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
1581 if (cl.entities[enumber].state_current.active)
1582 Con_Printf("entity #%i has become active\n", enumber);
1583 else if (cl.entities[enumber].state_previous.active)
1584 Con_Printf("entity #%i has become inactive\n", enumber);
1588 d->currentcommit = NULL;
1590 EntityFrame4_ResetDatabase(d);
1593 void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int numstates, const entity_state_t *states)
1595 const entity_state_t *e, *s;
1596 entity_state_t inactiveentitystate;
1597 int i, n, startnumber;
1599 unsigned char data[128];
1602 // if there isn't enough space to accomplish anything, skip it
1603 if (msg->cursize + 24 > msg->maxsize)
1606 // prepare the buffer
1607 memset(&buf, 0, sizeof(buf));
1609 buf.maxsize = sizeof(data);
1611 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1612 if (!d->commit[i].numentities)
1614 // if commit buffer full, just don't bother writing an update this frame
1615 if (i == MAX_ENTITY_HISTORY)
1617 d->currentcommit = d->commit + i;
1619 // this state's number gets played around with later
1620 inactiveentitystate = defaultstate;
1622 d->currentcommit->numentities = 0;
1623 d->currentcommit->framenum = ++d->latestframenumber;
1624 MSG_WriteByte(msg, svc_entities);
1625 MSG_WriteLong(msg, d->referenceframenum);
1626 MSG_WriteLong(msg, d->currentcommit->framenum);
1627 if (developer_networkentities.integer >= 10)
1629 Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum);
1630 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1631 if (d->commit[i].numentities)
1632 Con_Printf(" %i", d->commit[i].framenum);
1635 if (d->currententitynumber >= prog->max_edicts)
1638 startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
1639 MSG_WriteShort(msg, startnumber);
1640 // reset currententitynumber so if the loop does not break it we will
1641 // start at beginning next frame (if it does break, it will set it)
1642 d->currententitynumber = 1;
1643 for (i = 0, n = startnumber;n < prog->max_edicts;n++)
1645 val = PRVM_EDICTFIELDVALUE((&prog->edicts[n]), prog->fieldoffsets.SendEntity);
1646 if(val && val->function)
1648 // find the old state to delta from
1649 e = EntityFrame4_GetReferenceEntity(d, n);
1650 // prepare the buffer
1652 // entity exists, build an update (if empty there is no change)
1653 // find the state in the list
1654 for (;i < numstates && states[i].number < n;i++);
1660 EntityState_WriteUpdate(s, &buf, e);
1664 inactiveentitystate.number = n;
1665 s = &inactiveentitystate;
1668 // entity used to exist but doesn't anymore, send remove
1669 MSG_WriteShort(&buf, n | 0x8000);
1672 // if the commit is full, we're done this frame
1673 if (msg->cursize + buf.cursize > msg->maxsize - 4)
1675 // next frame we will continue where we left off
1678 // add the entity to the commit
1679 EntityFrame4_AddCommitEntity(d, s);
1680 // if the message is empty, skip out now
1683 // write the message to the packet
1684 SZ_Write(msg, buf.data, buf.cursize);
1687 d->currententitynumber = n;
1689 // remove world message (invalid, and thus a good terminator)
1690 MSG_WriteShort(msg, 0x8000);
1691 // write the number of the end entity
1692 MSG_WriteShort(msg, d->currententitynumber);
1694 d->currentcommit = NULL;
1700 entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
1703 entityframe5_database_t *d;
1704 d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
1705 d->latestframenum = 0;
1706 for (i = 0;i < d->maxedicts;i++)
1707 d->states[i] = defaultstate;
1711 void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
1713 // all the [maxedicts] memory is allocated at once, so there's only one
1716 Mem_Free(d->deltabits);
1720 void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
1722 if (d->maxedicts < newmax)
1724 unsigned char *data;
1725 int oldmaxedicts = d->maxedicts;
1726 int *olddeltabits = d->deltabits;
1727 unsigned char *oldpriorities = d->priorities;
1728 int *oldupdateframenum = d->updateframenum;
1729 entity_state_t *oldstates = d->states;
1730 unsigned char *oldvisiblebits = d->visiblebits;
1731 d->maxedicts = newmax;
1732 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));
1733 d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
1734 d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
1735 d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
1736 d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
1737 d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
1740 memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
1741 memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
1742 memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
1743 memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
1744 memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
1745 // the previous buffers were a single allocation, so just one free
1746 Mem_Free(olddeltabits);
1751 int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
1753 int limit, priority;
1755 // if it is the player, update urgently
1756 if (stateindex == d->viewentnum)
1757 return ENTITYFRAME5_PRIORITYLEVELS - 1;
1758 // priority increases each frame no matter what happens
1759 priority = d->priorities[stateindex] + 1;
1760 // players get an extra priority boost
1761 if (stateindex <= svs.maxclients)
1763 // remove dead entities very quickly because they are just 2 bytes
1764 if (!d->states[stateindex].active)
1767 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1769 // certain changes are more noticable than others
1770 if (d->deltabits[stateindex] & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP))
1772 // find the root entity this one is attached to, and judge relevance by it
1773 for (limit = 0;limit < 256;limit++)
1775 s = d->states + stateindex;
1776 if (s->flags & RENDER_VIEWMODEL)
1777 stateindex = d->viewentnum;
1778 else if (s->tagentity)
1779 stateindex = s->tagentity;
1782 if (d->maxedicts < stateindex)
1783 EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255);
1786 Con_DPrintf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex);
1787 // now that we have the parent entity we can make some decisions based on
1788 // distance from the player
1789 if (VectorDistance(d->states[d->viewentnum].netcenter, s->netcenter) < 1024.0f)
1791 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1794 void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
1796 unsigned int bits = 0;
1799 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
1800 if(val && val->function)
1804 MSG_WriteShort(msg, number | 0x8000);
1808 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))
1809 bits |= E5_ORIGIN32;
1810 if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION))
1811 bits |= E5_ANGLES16;
1812 if ((bits & E5_MODEL) && s->modelindex >= 256)
1814 if ((bits & E5_FRAME) && s->frame >= 256)
1816 if (bits & E5_EFFECTS)
1818 if (s->effects & 0xFFFF0000)
1819 bits |= E5_EFFECTS32;
1820 else if (s->effects & 0xFFFFFF00)
1821 bits |= E5_EFFECTS16;
1827 if (bits >= 16777216)
1829 MSG_WriteShort(msg, number);
1830 MSG_WriteByte(msg, bits & 0xFF);
1831 if (bits & E5_EXTEND1)
1832 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
1833 if (bits & E5_EXTEND2)
1834 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
1835 if (bits & E5_EXTEND3)
1836 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
1837 if (bits & E5_FLAGS)
1838 MSG_WriteByte(msg, s->flags);
1839 if (bits & E5_ORIGIN)
1841 if (bits & E5_ORIGIN32)
1843 MSG_WriteCoord32f(msg, s->origin[0]);
1844 MSG_WriteCoord32f(msg, s->origin[1]);
1845 MSG_WriteCoord32f(msg, s->origin[2]);
1849 MSG_WriteCoord13i(msg, s->origin[0]);
1850 MSG_WriteCoord13i(msg, s->origin[1]);
1851 MSG_WriteCoord13i(msg, s->origin[2]);
1854 if (bits & E5_ANGLES)
1856 if (bits & E5_ANGLES16)
1858 MSG_WriteAngle16i(msg, s->angles[0]);
1859 MSG_WriteAngle16i(msg, s->angles[1]);
1860 MSG_WriteAngle16i(msg, s->angles[2]);
1864 MSG_WriteAngle8i(msg, s->angles[0]);
1865 MSG_WriteAngle8i(msg, s->angles[1]);
1866 MSG_WriteAngle8i(msg, s->angles[2]);
1869 if (bits & E5_MODEL)
1871 if (bits & E5_MODEL16)
1872 MSG_WriteShort(msg, s->modelindex);
1874 MSG_WriteByte(msg, s->modelindex);
1876 if (bits & E5_FRAME)
1878 if (bits & E5_FRAME16)
1879 MSG_WriteShort(msg, s->frame);
1881 MSG_WriteByte(msg, s->frame);
1884 MSG_WriteByte(msg, s->skin);
1885 if (bits & E5_EFFECTS)
1887 if (bits & E5_EFFECTS32)
1888 MSG_WriteLong(msg, s->effects);
1889 else if (bits & E5_EFFECTS16)
1890 MSG_WriteShort(msg, s->effects);
1892 MSG_WriteByte(msg, s->effects);
1894 if (bits & E5_ALPHA)
1895 MSG_WriteByte(msg, s->alpha);
1896 if (bits & E5_SCALE)
1897 MSG_WriteByte(msg, s->scale);
1898 if (bits & E5_COLORMAP)
1899 MSG_WriteByte(msg, s->colormap);
1900 if (bits & E5_ATTACHMENT)
1902 MSG_WriteShort(msg, s->tagentity);
1903 MSG_WriteByte(msg, s->tagindex);
1905 if (bits & E5_LIGHT)
1907 MSG_WriteShort(msg, s->light[0]);
1908 MSG_WriteShort(msg, s->light[1]);
1909 MSG_WriteShort(msg, s->light[2]);
1910 MSG_WriteShort(msg, s->light[3]);
1911 MSG_WriteByte(msg, s->lightstyle);
1912 MSG_WriteByte(msg, s->lightpflags);
1916 MSG_WriteByte(msg, s->glowsize);
1917 MSG_WriteByte(msg, s->glowcolor);
1919 if (bits & E5_COLORMOD)
1921 MSG_WriteByte(msg, s->colormod[0]);
1922 MSG_WriteByte(msg, s->colormod[1]);
1923 MSG_WriteByte(msg, s->colormod[2]);
1928 void EntityState5_ReadUpdate(entity_state_t *s, int number)
1931 bits = MSG_ReadByte();
1932 if (bits & E5_EXTEND1)
1934 bits |= MSG_ReadByte() << 8;
1935 if (bits & E5_EXTEND2)
1937 bits |= MSG_ReadByte() << 16;
1938 if (bits & E5_EXTEND3)
1939 bits |= MSG_ReadByte() << 24;
1942 if (bits & E5_FULLUPDATE)
1947 if (bits & E5_FLAGS)
1948 s->flags = MSG_ReadByte();
1949 if (bits & E5_ORIGIN)
1951 if (bits & E5_ORIGIN32)
1953 s->origin[0] = MSG_ReadCoord32f();
1954 s->origin[1] = MSG_ReadCoord32f();
1955 s->origin[2] = MSG_ReadCoord32f();
1959 s->origin[0] = MSG_ReadCoord13i();
1960 s->origin[1] = MSG_ReadCoord13i();
1961 s->origin[2] = MSG_ReadCoord13i();
1964 if (bits & E5_ANGLES)
1966 if (bits & E5_ANGLES16)
1968 s->angles[0] = MSG_ReadAngle16i();
1969 s->angles[1] = MSG_ReadAngle16i();
1970 s->angles[2] = MSG_ReadAngle16i();
1974 s->angles[0] = MSG_ReadAngle8i();
1975 s->angles[1] = MSG_ReadAngle8i();
1976 s->angles[2] = MSG_ReadAngle8i();
1979 if (bits & E5_MODEL)
1981 if (bits & E5_MODEL16)
1982 s->modelindex = (unsigned short) MSG_ReadShort();
1984 s->modelindex = MSG_ReadByte();
1986 if (bits & E5_FRAME)
1988 if (bits & E5_FRAME16)
1989 s->frame = (unsigned short) MSG_ReadShort();
1991 s->frame = MSG_ReadByte();
1994 s->skin = MSG_ReadByte();
1995 if (bits & E5_EFFECTS)
1997 if (bits & E5_EFFECTS32)
1998 s->effects = (unsigned int) MSG_ReadLong();
1999 else if (bits & E5_EFFECTS16)
2000 s->effects = (unsigned short) MSG_ReadShort();
2002 s->effects = MSG_ReadByte();
2004 if (bits & E5_ALPHA)
2005 s->alpha = MSG_ReadByte();
2006 if (bits & E5_SCALE)
2007 s->scale = MSG_ReadByte();
2008 if (bits & E5_COLORMAP)
2009 s->colormap = MSG_ReadByte();
2010 if (bits & E5_ATTACHMENT)
2012 s->tagentity = (unsigned short) MSG_ReadShort();
2013 s->tagindex = MSG_ReadByte();
2015 if (bits & E5_LIGHT)
2017 s->light[0] = (unsigned short) MSG_ReadShort();
2018 s->light[1] = (unsigned short) MSG_ReadShort();
2019 s->light[2] = (unsigned short) MSG_ReadShort();
2020 s->light[3] = (unsigned short) MSG_ReadShort();
2021 s->lightstyle = MSG_ReadByte();
2022 s->lightpflags = MSG_ReadByte();
2026 s->glowsize = MSG_ReadByte();
2027 s->glowcolor = MSG_ReadByte();
2029 if (bits & E5_COLORMOD)
2031 s->colormod[0] = MSG_ReadByte();
2032 s->colormod[1] = MSG_ReadByte();
2033 s->colormod[2] = MSG_ReadByte();
2037 if (developer_networkentities.integer >= 2)
2039 Con_Printf("ReadFields e%i", number);
2041 if (bits & E5_ORIGIN)
2042 Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]);
2043 if (bits & E5_ANGLES)
2044 Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]);
2045 if (bits & E5_MODEL)
2046 Con_Printf(" E5_MODEL %i", s->modelindex);
2047 if (bits & E5_FRAME)
2048 Con_Printf(" E5_FRAME %i", s->frame);
2050 Con_Printf(" E5_SKIN %i", s->skin);
2051 if (bits & E5_EFFECTS)
2052 Con_Printf(" E5_EFFECTS %i", s->effects);
2053 if (bits & E5_FLAGS)
2055 Con_Printf(" E5_FLAGS %i (", s->flags);
2056 if (s->flags & RENDER_STEP)
2058 if (s->flags & RENDER_GLOWTRAIL)
2059 Con_Print(" GLOWTRAIL");
2060 if (s->flags & RENDER_VIEWMODEL)
2061 Con_Print(" VIEWMODEL");
2062 if (s->flags & RENDER_EXTERIORMODEL)
2063 Con_Print(" EXTERIORMODEL");
2064 if (s->flags & RENDER_LOWPRECISION)
2065 Con_Print(" LOWPRECISION");
2066 if (s->flags & RENDER_COLORMAPPED)
2067 Con_Print(" COLORMAPPED");
2068 if (s->flags & RENDER_SHADOW)
2069 Con_Print(" SHADOW");
2070 if (s->flags & RENDER_LIGHT)
2071 Con_Print(" LIGHT");
2072 if (s->flags & RENDER_NOSELFSHADOW)
2073 Con_Print(" NOSELFSHADOW");
2076 if (bits & E5_ALPHA)
2077 Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f);
2078 if (bits & E5_SCALE)
2079 Con_Printf(" E5_SCALE %f", s->scale / 16.0f);
2080 if (bits & E5_COLORMAP)
2081 Con_Printf(" E5_COLORMAP %i", s->colormap);
2082 if (bits & E5_ATTACHMENT)
2083 Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex);
2084 if (bits & E5_LIGHT)
2085 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);
2087 Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor);
2088 if (bits & E5_COLORMOD)
2089 Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f);
2094 int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
2096 unsigned int bits = 0;
2100 bits |= E5_FULLUPDATE;
2101 if (!VectorCompare(o->origin, n->origin))
2103 if (!VectorCompare(o->angles, n->angles))
2105 if (o->modelindex != n->modelindex)
2107 if (o->frame != n->frame)
2109 if (o->skin != n->skin)
2111 if (o->effects != n->effects)
2113 if (o->flags != n->flags)
2115 if (o->alpha != n->alpha)
2117 if (o->scale != n->scale)
2119 if (o->colormap != n->colormap)
2120 bits |= E5_COLORMAP;
2121 if (o->tagentity != n->tagentity || o->tagindex != n->tagindex)
2122 bits |= E5_ATTACHMENT;
2123 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)
2125 if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor)
2127 if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2])
2128 bits |= E5_COLORMOD;
2132 bits |= E5_FULLUPDATE;
2136 void EntityFrame5_CL_ReadFrame(void)
2141 // read the number of this frame to echo back in next input packet
2142 for (i = 0;i < LATESTFRAMENUMS-1;i++)
2143 cl.latestframenums[i] = cl.latestframenums[i+1];
2144 cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
2145 if (developer_networkentities.integer >= 10)
2146 Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
2147 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)
2148 cls.servermovesequence = MSG_ReadLong();
2149 // read entity numbers until we find a 0x8000
2150 // (which would be remove world entity, but is actually a terminator)
2151 while ((n = (unsigned short)MSG_ReadShort()) != 0x8000 && !msg_badread)
2153 // get the entity number
2154 enumber = n & 0x7FFF;
2155 // we may need to expand the array
2156 if (cl.num_entities <= enumber)
2158 cl.num_entities = enumber + 1;
2159 if (enumber >= cl.max_entities)
2160 CL_ExpandEntities(enumber);
2162 // look up the entity
2163 ent = cl.entities + enumber;
2164 // slide the current into the previous slot
2165 ent->state_previous = ent->state_current;
2167 s = &ent->state_current;
2176 EntityState5_ReadUpdate(s, enumber);
2178 // set the cl.entities_active flag
2179 cl.entities_active[enumber] = s->active;
2180 // set the update time
2181 s->time = cl.mtime[0];
2182 // fix the number (it gets wiped occasionally by copying from defaultstate)
2183 s->number = enumber;
2184 // check if we need to update the lerp stuff
2186 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2187 // print extra messages if desired
2188 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
2190 if (cl.entities[enumber].state_current.active)
2191 Con_Printf("entity #%i has become active\n", enumber);
2192 else if (cl.entities[enumber].state_previous.active)
2193 Con_Printf("entity #%i has become inactive\n", enumber);
2198 void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
2200 int i, j, k, l, bits;
2201 entityframe5_changestate_t *s, *s2;
2202 entityframe5_packetlog_t *p, *p2;
2203 unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
2204 // scan for packets that were lost
2205 for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
2207 if (p->packetnumber && p->packetnumber <= framenum)
2209 // packet was lost - merge deltabits into the main array so they
2210 // will be re-sent, but only if there is no newer update of that
2211 // bit in the logs (as those will arrive before this update)
2212 for (j = 0, s = p->states;j < p->numstates;j++, s++)
2214 // check for any newer updates to this entity and mask off any
2215 // overlapping bits (we don't need to send something again if
2216 // it has already been sent more recently)
2217 bits = s->bits & ~d->deltabits[s->number];
2218 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS && bits;k++, p2++)
2220 if (p2->packetnumber > framenum)
2222 for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++)
2224 if (s2->number == s->number)
2232 // if the bits haven't all been cleared, there were some bits
2233 // lost with this packet, so set them again now
2236 d->deltabits[s->number] |= bits;
2237 // if it was a very important update, set priority higher
2238 if (bits & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_COLORMAP))
2239 d->priorities[s->number] = max(d->priorities[s->number], 4);
2241 d->priorities[s->number] = max(d->priorities[s->number], 1);
2245 for (j = 0;j < MAX_CL_STATS;j++)
2247 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2248 statsdeltabits[l] = p->statsdeltabits[l] & ~host_client->statsdeltabits[l];
2249 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS;k++, p2++)
2250 if (p2->packetnumber > framenum)
2251 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2252 statsdeltabits[l] = p->statsdeltabits[l] & ~p2->statsdeltabits[l];
2253 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2254 host_client->statsdeltabits[l] |= statsdeltabits[l];
2256 // delete this packet log as it is now obsolete
2257 p->packetnumber = 0;
2262 void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
2265 // scan for packets made obsolete by this ack and delete them
2266 for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++)
2267 if (d->packetlog[i].packetnumber <= framenum)
2268 d->packetlog[i].packetnumber = 0;
2271 void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence)
2273 const entity_state_t *n;
2274 int i, num, l, framenum, packetlognumber, priority;
2276 unsigned char data[128];
2277 entityframe5_packetlog_t *packetlog;
2279 if (prog->max_edicts > d->maxedicts)
2280 EntityFrame5_ExpandEdicts(d, prog->max_edicts);
2282 framenum = d->latestframenum + 1;
2283 d->viewentnum = viewentnum;
2285 // if packet log is full, mark all frames as lost, this will cause
2286 // it to send the lost data again
2287 for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++)
2288 if (d->packetlog[packetlognumber].packetnumber == 0)
2290 if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
2292 Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
2293 EntityFrame5_LostFrame(d, framenum);
2294 packetlognumber = 0;
2297 // prepare the buffer
2298 memset(&buf, 0, sizeof(buf));
2300 buf.maxsize = sizeof(data);
2302 // detect changes in states
2304 for (i = 0, n = states;i < numstates;i++, n++)
2306 // mark gaps in entity numbering as removed entities
2307 for (;num < n->number;num++)
2309 // if the entity used to exist, clear it
2310 if (CHECKPVSBIT(d->visiblebits, num))
2312 CLEARPVSBIT(d->visiblebits, num);
2313 d->deltabits[num] = E5_FULLUPDATE;
2314 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2315 d->states[num] = defaultstate;
2316 d->states[num].number = num;
2319 // update the entity state data
2320 if (!CHECKPVSBIT(d->visiblebits, num))
2322 // entity just spawned in, don't let it completely hog priority
2323 // because of being ancient on the first frame
2324 d->updateframenum[num] = framenum;
2325 // initial priority is a bit high to make projectiles send on the
2326 // first frame, among other things
2327 d->priorities[num] = max(d->priorities[num], 4);
2329 SETPVSBIT(d->visiblebits, num);
2330 d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n);
2331 d->priorities[num] = max(d->priorities[num], 1);
2332 d->states[num] = *n;
2333 d->states[num].number = num;
2334 // advance to next entity so the next iteration doesn't immediately remove it
2337 // all remaining entities are dead
2338 for (;num < d->maxedicts;num++)
2340 if (CHECKPVSBIT(d->visiblebits, num))
2342 CLEARPVSBIT(d->visiblebits, num);
2343 d->deltabits[num] = E5_FULLUPDATE;
2344 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2345 d->states[num] = defaultstate;
2346 d->states[num].number = num;
2350 // if there isn't at least enough room for an empty svc_entities,
2351 // don't bother trying...
2352 if (buf.cursize + 11 > buf.maxsize)
2355 // build lists of entities by priority level
2356 memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
2358 for (num = 0;num < d->maxedicts;num++)
2360 if (d->priorities[num])
2362 if (d->deltabits[num])
2364 if (d->priorities[num] < (ENTITYFRAME5_PRIORITYLEVELS - 1))
2365 d->priorities[num] = EntityState5_Priority(d, num);
2367 priority = d->priorities[num];
2368 if (d->prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES)
2369 d->prioritychains[priority][d->prioritychaincounts[priority]++] = num;
2372 d->priorities[num] = 0;
2376 // add packetlog entry
2377 packetlog = d->packetlog + packetlognumber;
2378 packetlog->packetnumber = framenum;
2379 packetlog->numstates = 0;
2380 // write stat updates
2381 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)
2383 for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++)
2385 if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
2387 host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
2388 packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
2389 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
2391 MSG_WriteByte(msg, svc_updatestatubyte);
2392 MSG_WriteByte(msg, i);
2393 MSG_WriteByte(msg, host_client->stats[i]);
2397 MSG_WriteByte(msg, svc_updatestat);
2398 MSG_WriteByte(msg, i);
2399 MSG_WriteLong(msg, host_client->stats[i]);
2404 // write state updates
2405 if (developer_networkentities.integer >= 10)
2406 Con_Printf("send: svc_entities %i\n", framenum);
2407 d->latestframenum = framenum;
2408 MSG_WriteByte(msg, svc_entities);
2409 MSG_WriteLong(msg, framenum);
2410 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)
2411 MSG_WriteLong(msg, movesequence);
2412 for (priority = ENTITYFRAME5_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
2414 for (i = 0;i < d->prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
2416 num = d->prioritychains[priority][i];
2417 n = d->states + num;
2418 if (d->deltabits[num] & E5_FULLUPDATE)
2419 d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n);
2421 EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf);
2422 // if the entity won't fit, try the next one
2423 if (msg->cursize + buf.cursize + 2 > msg->maxsize)
2425 // write entity to the packet
2426 SZ_Write(msg, buf.data, buf.cursize);
2427 // mark age on entity for prioritization
2428 d->updateframenum[num] = framenum;
2429 // log entity so deltabits can be restored later if lost
2430 packetlog->states[packetlog->numstates].number = num;
2431 packetlog->states[packetlog->numstates].bits = d->deltabits[num];
2432 packetlog->numstates++;
2433 // clear deltabits and priority so it won't be sent again
2434 d->deltabits[num] = 0;
2435 d->priorities[num] = 0;
2438 MSG_WriteShort(msg, 0x8000);
2442 static void QW_TranslateEffects(entity_state_t *s, int qweffects)
2445 s->internaleffects = 0;
2446 if (qweffects & QW_EF_BRIGHTFIELD)
2447 s->effects |= EF_BRIGHTFIELD;
2448 if (qweffects & QW_EF_MUZZLEFLASH)
2449 s->effects |= EF_MUZZLEFLASH;
2450 if (qweffects & QW_EF_FLAG1)
2452 // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
2453 if (s->number > cl.maxclients)
2454 s->effects |= EF_NODRAW;
2456 s->internaleffects |= INTEF_FLAG1QW;
2458 if (qweffects & QW_EF_FLAG2)
2460 // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
2461 if (s->number > cl.maxclients)
2462 s->effects |= EF_ADDITIVE;
2464 s->internaleffects |= INTEF_FLAG2QW;
2466 if (qweffects & QW_EF_RED)
2468 if (qweffects & QW_EF_BLUE)
2469 s->effects |= EF_RED | EF_BLUE;
2471 s->effects |= EF_RED;
2473 else if (qweffects & QW_EF_BLUE)
2474 s->effects |= EF_BLUE;
2475 else if (qweffects & QW_EF_BRIGHTLIGHT)
2476 s->effects |= EF_BRIGHTLIGHT;
2477 else if (qweffects & QW_EF_DIMLIGHT)
2478 s->effects |= EF_DIMLIGHT;
2481 void EntityStateQW_ReadPlayerUpdate(void)
2483 int slot = MSG_ReadByte();
2484 int enumber = slot + 1;
2490 // look up the entity
2491 entity_t *ent = cl.entities + enumber;
2495 // slide the current state into the previous
2496 ent->state_previous = ent->state_current;
2499 s = &ent->state_current;
2502 s->number = enumber;
2503 s->colormap = enumber;
2504 playerflags = MSG_ReadShort();
2505 MSG_ReadVector(s->origin, cls.protocol);
2506 s->frame = MSG_ReadByte();
2508 VectorClear(viewangles);
2509 VectorClear(velocity);
2511 if (playerflags & QW_PF_MSEC)
2513 // time difference between last update this player sent to the server,
2514 // and last input we sent to the server (this packet is in response to
2515 // our input, so msec is how long ago the last update of this player
2516 // entity occurred, compared to our input being received)
2517 msec = MSG_ReadByte();
2521 if (playerflags & QW_PF_COMMAND)
2523 bits = MSG_ReadByte();
2524 if (bits & QW_CM_ANGLE1)
2525 viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
2526 if (bits & QW_CM_ANGLE2)
2527 viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
2528 if (bits & QW_CM_ANGLE3)
2529 viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
2530 if (bits & QW_CM_FORWARD)
2531 MSG_ReadShort(); // cmd->forwardmove
2532 if (bits & QW_CM_SIDE)
2533 MSG_ReadShort(); // cmd->sidemove
2534 if (bits & QW_CM_UP)
2535 MSG_ReadShort(); // cmd->upmove
2536 if (bits & QW_CM_BUTTONS)
2537 MSG_ReadByte(); // cmd->buttons
2538 if (bits & QW_CM_IMPULSE)
2539 MSG_ReadByte(); // cmd->impulse
2540 MSG_ReadByte(); // cmd->msec
2542 if (playerflags & QW_PF_VELOCITY1)
2543 velocity[0] = MSG_ReadShort();
2544 if (playerflags & QW_PF_VELOCITY2)
2545 velocity[1] = MSG_ReadShort();
2546 if (playerflags & QW_PF_VELOCITY3)
2547 velocity[2] = MSG_ReadShort();
2548 if (playerflags & QW_PF_MODEL)
2549 s->modelindex = MSG_ReadByte();
2551 s->modelindex = cl.qw_modelindex_player;
2552 if (playerflags & QW_PF_SKINNUM)
2553 s->skin = MSG_ReadByte();
2554 if (playerflags & QW_PF_EFFECTS)
2555 QW_TranslateEffects(s, MSG_ReadByte());
2556 if (playerflags & QW_PF_WEAPONFRAME)
2557 weaponframe = MSG_ReadByte();
2561 if (enumber == cl.playerentity)
2563 // if this is an update on our player, update the angles
2564 VectorCopy(cl.viewangles, viewangles);
2567 // calculate the entity angles from the viewangles
2568 s->angles[0] = viewangles[0] * -0.0333;
2569 s->angles[1] = viewangles[1];
2571 s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
2573 // if this is an update on our player, update interpolation state
2574 if (enumber == cl.playerentity)
2576 VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
2577 VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
2578 VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
2579 cl.mviewzoom[1] = cl.mviewzoom[0];
2582 cl.mpunchangle[0][0] = 0;
2583 cl.mpunchangle[0][1] = 0;
2584 cl.mpunchangle[0][2] = 0;
2585 cl.mpunchvector[0][0] = 0;
2586 cl.mpunchvector[0][1] = 0;
2587 cl.mpunchvector[0][2] = 0;
2588 cl.mvelocity[0][0] = 0;
2589 cl.mvelocity[0][1] = 0;
2590 cl.mvelocity[0][2] = 0;
2591 cl.mviewzoom[0] = 1;
2593 VectorCopy(velocity, cl.mvelocity[0]);
2594 cl.stats[STAT_WEAPONFRAME] = weaponframe;
2595 if (playerflags & QW_PF_GIB)
2596 cl.stats[STAT_VIEWHEIGHT] = 8;
2597 else if (playerflags & QW_PF_DEAD)
2598 cl.stats[STAT_VIEWHEIGHT] = -16;
2600 cl.stats[STAT_VIEWHEIGHT] = 22;
2603 // set the cl.entities_active flag
2604 cl.entities_active[enumber] = s->active;
2605 // set the update time
2606 s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
2607 // check if we need to update the lerp stuff
2609 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2612 static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
2616 s->number = bits & 511;
2618 if (bits & QW_U_MOREBITS)
2619 bits |= MSG_ReadByte();
2621 // store the QW_U_SOLID bit here?
2623 if (bits & QW_U_MODEL)
2624 s->modelindex = MSG_ReadByte();
2625 if (bits & QW_U_FRAME)
2626 s->frame = MSG_ReadByte();
2627 if (bits & QW_U_COLORMAP)
2628 s->colormap = MSG_ReadByte();
2629 if (bits & QW_U_SKIN)
2630 s->skin = MSG_ReadByte();
2631 if (bits & QW_U_EFFECTS)
2632 QW_TranslateEffects(s, qweffects = MSG_ReadByte());
2633 if (bits & QW_U_ORIGIN1)
2634 s->origin[0] = MSG_ReadCoord13i();
2635 if (bits & QW_U_ANGLE1)
2636 s->angles[0] = MSG_ReadAngle8i();
2637 if (bits & QW_U_ORIGIN2)
2638 s->origin[1] = MSG_ReadCoord13i();
2639 if (bits & QW_U_ANGLE2)
2640 s->angles[1] = MSG_ReadAngle8i();
2641 if (bits & QW_U_ORIGIN3)
2642 s->origin[2] = MSG_ReadCoord13i();
2643 if (bits & QW_U_ANGLE3)
2644 s->angles[2] = MSG_ReadAngle8i();
2646 if (developer_networkentities.integer >= 2)
2648 Con_Printf("ReadFields e%i", s->number);
2649 if (bits & QW_U_MODEL)
2650 Con_Printf(" U_MODEL %i", s->modelindex);
2651 if (bits & QW_U_FRAME)
2652 Con_Printf(" U_FRAME %i", s->frame);
2653 if (bits & QW_U_COLORMAP)
2654 Con_Printf(" U_COLORMAP %i", s->colormap);
2655 if (bits & QW_U_SKIN)
2656 Con_Printf(" U_SKIN %i", s->skin);
2657 if (bits & QW_U_EFFECTS)
2658 Con_Printf(" U_EFFECTS %i", qweffects);
2659 if (bits & QW_U_ORIGIN1)
2660 Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
2661 if (bits & QW_U_ANGLE1)
2662 Con_Printf(" U_ANGLE1 %f", s->angles[0]);
2663 if (bits & QW_U_ORIGIN2)
2664 Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
2665 if (bits & QW_U_ANGLE2)
2666 Con_Printf(" U_ANGLE2 %f", s->angles[1]);
2667 if (bits & QW_U_ORIGIN3)
2668 Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
2669 if (bits & QW_U_ANGLE3)
2670 Con_Printf(" U_ANGLE3 %f", s->angles[2]);
2671 if (bits & QW_U_SOLID)
2672 Con_Printf(" U_SOLID");
2677 entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
2679 entityframeqw_database_t *d;
2680 d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
2684 void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
2689 void EntityFrameQW_CL_ReadFrame(qboolean delta)
2691 qboolean invalid = false;
2692 int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
2694 entityframeqw_database_t *d;
2695 entityframeqw_snapshot_t *oldsnap, *newsnap;
2697 if (!cl.entitydatabaseqw)
2698 cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cls.levelmempool);
2699 d = cl.entitydatabaseqw;
2701 // there is no cls.netcon in demos, so this reading code can't access
2702 // cls.netcon-> at all... so cls.qw_incoming_sequence and
2703 // cls.qw_outgoing_sequence are updated every time the corresponding
2704 // cls.netcon->qw. variables are updated
2705 // read the number of this frame to echo back in next input packet
2706 cl.qw_validsequence = cls.qw_incoming_sequence;
2707 newsnapindex = cl.qw_validsequence & QW_UPDATE_MASK;
2708 newsnap = d->snapshot + newsnapindex;
2709 memset(newsnap, 0, sizeof(*newsnap));
2714 number = MSG_ReadByte();
2715 oldsnapindex = cl.qw_deltasequence[newsnapindex];
2716 if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
2717 Con_DPrintf("WARNING: from mismatch\n");
2718 if (oldsnapindex != -1)
2720 if (cls.qw_outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
2722 Con_DPrintf("delta update too old\n");
2723 newsnap->invalid = invalid = true; // too old
2726 oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
2732 // if we can't decode this frame properly, report that to the server
2734 cl.qw_validsequence = 0;
2736 // read entity numbers until we find a 0x0000
2737 // (which would be an empty update on world entity, but is actually a terminator)
2738 newsnap->num_entities = 0;
2742 int word = (unsigned short)MSG_ReadShort();
2744 return; // just return, the main parser will print an error
2745 newnum = word == 0 ? 512 : (word & 511);
2746 oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
2748 // copy unmodified oldsnap entities
2749 while (newnum > oldnum) // delta only
2751 if (developer_networkentities.integer >= 2)
2752 Con_Printf("copy %i\n", oldnum);
2753 // copy one of the old entities
2754 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2755 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2756 newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
2757 newsnap->num_entities++;
2758 oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
2764 if (developer_networkentities.integer >= 2)
2766 if (word & QW_U_REMOVE)
2767 Con_Printf("remove %i\n", newnum);
2768 else if (newnum == oldnum)
2769 Con_Printf("delta %i\n", newnum);
2771 Con_Printf("baseline %i\n", newnum);
2774 if (word & QW_U_REMOVE)
2776 if (newnum != oldnum && !delta && !invalid)
2778 cl.qw_validsequence = 0;
2779 Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
2784 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2785 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2786 newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl.entities[newnum].state_baseline;
2787 EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
2788 newsnap->num_entities++;
2791 if (newnum == oldnum)
2795 // expand cl.num_entities to include every entity we've seen this game
2796 newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
2797 if (cl.num_entities <= newnum)
2799 cl.num_entities = newnum + 1;
2800 if (cl.max_entities < newnum + 1)
2801 CL_ExpandEntities(newnum);
2804 // now update the non-player entities from the snapshot states
2805 number = cl.maxclients + 1;
2806 for (newindex = 0;;newindex++)
2808 newnum = newindex >= newsnap->num_entities ? cl.num_entities : newsnap->entities[newindex].number;
2809 // kill any missing entities
2810 for (;number < newnum;number++)
2812 if (cl.entities_active[number])
2814 cl.entities_active[number] = false;
2815 cl.entities[number].state_current.active = false;
2818 if (number >= cl.num_entities)
2820 // update the entity
2821 ent = &cl.entities[number];
2822 ent->state_previous = ent->state_current;
2823 ent->state_current = newsnap->entities[newindex];
2824 ent->state_current.time = cl.mtime[0];
2825 CL_MoveLerpEntityStates(ent);
2826 // the entity lives again...
2827 cl.entities_active[number] = true;