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"},
59 protocolversion_t Protocol_EnumForName(const char *s)
62 for (i = 1;protocolversioninfo[i].name;i++)
63 if (!strcasecmp(s, protocolversioninfo[i].name))
64 return (protocolversion_t)i;
65 return PROTOCOL_UNKNOWN;
68 const char *Protocol_NameForEnum(protocolversion_t p)
70 return protocolversioninfo[p].name;
73 protocolversion_t Protocol_EnumForNumber(int n)
76 for (i = 1;protocolversioninfo[i].name;i++)
77 if (protocolversioninfo[i].number == n)
78 return (protocolversion_t)i;
79 return PROTOCOL_UNKNOWN;
82 int Protocol_NumberForEnum(protocolversion_t p)
84 return protocolversioninfo[p].number;
87 void Protocol_Names(char *buffer, size_t buffersize)
93 for (i = 1;protocolversioninfo[i].name;i++)
96 strlcat(buffer, " ", buffersize);
97 strlcat(buffer, protocolversioninfo[i].name, buffersize);
101 void EntityFrameQuake_ReadEntity(int bits)
107 if (bits & U_MOREBITS)
108 bits |= (MSG_ReadByte()<<8);
109 if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
111 bits |= MSG_ReadByte() << 16;
112 if (bits & U_EXTEND2)
113 bits |= MSG_ReadByte() << 24;
116 if (bits & U_LONGENTITY)
117 num = (unsigned short) MSG_ReadShort ();
119 num = MSG_ReadByte ();
121 if (num >= MAX_EDICTS)
122 Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS);
124 Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num);
126 if (cl.num_entities <= num)
128 cl.num_entities = num + 1;
129 if (num >= cl.max_entities)
130 CL_ExpandEntities(num);
133 ent = cl.entities + num;
135 // note: this inherits the 'active' state of the baseline chosen
136 // (state_baseline is always active, state_current may not be active if
137 // the entity was missing in the last frame)
139 s = ent->state_current;
142 s = ent->state_baseline;
146 cl.isquakeentity[num] = true;
147 if (cl.lastquakeentity < num)
148 cl.lastquakeentity = num;
150 s.time = cl.mtime[0];
152 if (bits & U_MODEL) s.modelindex = (s.modelindex & 0xFF00) | MSG_ReadByte();
153 if (bits & U_FRAME) s.frame = (s.frame & 0xFF00) | MSG_ReadByte();
154 if (bits & U_COLORMAP) s.colormap = MSG_ReadByte();
155 if (bits & U_SKIN) s.skin = MSG_ReadByte();
156 if (bits & U_EFFECTS) s.effects = (s.effects & 0xFF00) | MSG_ReadByte();
157 if (bits & U_ORIGIN1) s.origin[0] = MSG_ReadCoord(cls.protocol);
158 if (bits & U_ANGLE1) s.angles[0] = MSG_ReadAngle(cls.protocol);
159 if (bits & U_ORIGIN2) s.origin[1] = MSG_ReadCoord(cls.protocol);
160 if (bits & U_ANGLE2) s.angles[1] = MSG_ReadAngle(cls.protocol);
161 if (bits & U_ORIGIN3) s.origin[2] = MSG_ReadCoord(cls.protocol);
162 if (bits & U_ANGLE3) s.angles[2] = MSG_ReadAngle(cls.protocol);
163 if (bits & U_STEP) s.flags |= RENDER_STEP;
164 if (bits & U_ALPHA) s.alpha = MSG_ReadByte();
165 if (bits & U_SCALE) s.scale = MSG_ReadByte();
166 if (bits & U_EFFECTS2) s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8);
167 if (bits & U_GLOWSIZE) s.glowsize = MSG_ReadByte();
168 if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte();
169 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));}
170 if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
171 if (bits & U_FRAME2) s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8);
172 if (bits & U_MODEL2) s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8);
173 if (bits & U_VIEWMODEL) s.flags |= RENDER_VIEWMODEL;
174 if (bits & U_EXTERIORMODEL) s.flags |= RENDER_EXTERIORMODEL;
176 // LordHavoc: to allow playback of the Nehahra movie
177 if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
179 // LordHavoc: evil format
180 int i = (int)MSG_ReadFloat();
181 int j = (int)(MSG_ReadFloat() * 255.0f);
184 i = (int)MSG_ReadFloat();
186 s.effects |= EF_FULLBRIGHT;
190 else if (j == 0 || j >= 255)
196 ent->state_previous = ent->state_current;
197 ent->state_current = s;
198 if (ent->state_current.active)
200 CL_MoveLerpEntityStates(ent);
201 cl.entities_active[ent->state_current.number] = true;
205 Host_Error("EntityFrameQuake_ReadEntity: read error");
208 void EntityFrameQuake_ISeeDeadEntities(void)
211 if (cl.lastquakeentity == 0)
213 lastentity = cl.lastquakeentity;
214 cl.lastquakeentity = 0;
215 for (num = 0;num <= lastentity;num++)
217 if (cl.isquakeentity[num])
219 if (cl.entities_active[num] && cl.entities[num].state_current.time == cl.mtime[0])
221 cl.isquakeentity[num] = true;
222 cl.lastquakeentity = num;
226 cl.isquakeentity[num] = false;
227 cl.entities_active[num] = false;
228 cl.entities[num].state_current = defaultstate;
229 cl.entities[num].state_current.number = num;
235 // FIXME FIXME FIXME: at this time the CSQC entity writing does not store
236 // packet logs and thus if an update is lost it is never repeated, this makes
237 // csqc entities useless at the moment.
239 void EntityFrameCSQC_WriteState (sizebuf_t *msg, int number, qboolean doupdate, qboolean *sectionstarted)
242 prvm_eval_t *val, *val2;
246 if (msg->cursize + !*sectionstarted + 2 + 1 + 2 > msg->maxsize)
248 val2 = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.Version);
249 version = (int)val2->_float;
250 // LordHavoc: do some validity checks on self.Version
251 // if self.Version reaches 255, it will soon exceed the byte used to
252 // store an entity version in the client struct, so we need to reset
253 // all the version to 1 and force all the existing clients' version of
254 // it to 255 (which we're not allowing to actually occur)
260 val2->_float = version = 1;
261 // since we just reset the Version field to 1, it may accidentally
262 // end up being equal to an existing client version now or in the
263 // future, so to fix this situation we have to loop over all
264 // clients and change their versions for this entity to be -1
265 // which never matches, thus causing them to receive the update
266 // soon, as they should
267 for (i = 0;i < svs.maxclients;i++)
268 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
269 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 255;
272 // if the version already matches, we don't need to do anything as the
273 // latest version has already been sent.
274 if (svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] == version)
278 // if there's no SendEntity function, treat it as a remove
279 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
282 // there is a function to call, save the cursize value incase we
283 // have to do a rollback due to overflow
284 int oldcursize = msg->cursize;
286 MSG_WriteByte(msg, svc_csqcentities);
287 MSG_WriteShort(msg, number);
288 ((int *)prog->globals.generic)[OFS_PARM0] = sv.writeentitiestoclient_cliententitynumber;
289 prog->globals.server->self = number;
290 PRVM_ExecuteProgram(val->function, "Null SendEntity\n");
291 if(prog->globals.generic[OFS_RETURN])
293 if (msg->cursize + 2 > msg->maxsize)
295 // if the packet no longer has enough room to write the
296 // final index code that ends the message, rollback to the
297 // state before we tried to write anything and then return
298 msg->cursize = oldcursize;
299 msg->overflowed = false;
302 // an update has been successfully written, update the version
303 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = version;
304 // and take note that we have begun the svc_csqcentities
305 // section of the packet
311 // rollback the buffer to its state before the writes
312 msg->cursize = oldcursize;
313 // if the function returned FALSE, simply write a remove
314 // this is done by falling through to the remove code below
319 // write a remove message if needed
320 // if already removed, do nothing
321 if (!svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number])
323 // if there isn't enough room to write the remove message, just return, as
324 // it will be handled in a later packet
325 if (msg->cursize + !*sectionstarted + 2 + 2 > msg->maxsize)
327 // first write the message identifier if needed
331 MSG_WriteByte(msg, svc_csqcentities);
333 // write the remove message
334 MSG_WriteShort(msg, (unsigned short)number | 0x8000);
335 svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[number] = 0;
338 //[515]: we use only one array per-client for SendEntity feature
339 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states)
342 qboolean sectionstarted = false;
343 const entity_state_t *n;
345 // if this server progs is not CSQC-aware, return early
346 if(prog->fieldoffsets.SendEntity < 0 || prog->fieldoffsets.Version < 0)
348 // make sure there is enough room to store the svc_csqcentities byte,
349 // the terminator (0x0000) and at least one entity update
350 if (msg->cursize + 32 >= msg->maxsize)
354 for (i = 0, n = states;i < numstates;i++, n++)
356 // all entities between the previous entity state and this one are dead
357 for (;num < n->number;num++)
358 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
359 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
360 // update this entity
361 EntityFrameCSQC_WriteState(msg, num, true, §ionstarted);
362 // advance to next entity so the next iteration doesn't immediately remove it
365 // all remaining entities are dead
366 for (;num < prog->num_edicts;num++)
367 if(svs.clients[sv.writeentitiestoclient_clientnumber].csqcentityversion[num])
368 EntityFrameCSQC_WriteState(msg, num, false, §ionstarted);
371 // write index 0 to end the update (0 is never used by real entities)
372 MSG_WriteShort(msg, 0);
376 void Protocol_UpdateClientStats(const int *stats)
379 // update the stats array and set deltabits for any changed stats
380 for (i = 0;i < MAX_CL_STATS;i++)
382 if (host_client->stats[i] != stats[i])
384 host_client->statsdeltabits[i >> 3] |= 1 << (i & 7);
385 host_client->stats[i] = stats[i];
390 void Protocol_WriteStatsReliable(void)
393 if (!host_client->netconnection)
395 // detect changes in stats and write reliable messages
396 // this only deals with 32 stats because the older protocols which use
397 // this function can only cope with 32 stats,
398 // they also do not support svc_updatestatubyte which was introduced in
399 // DP6 protocol (except for QW)
400 for (i = 0;i < 32;i++)
402 // quickly skip zero bytes
403 if (!host_client->statsdeltabits[i >> 3])
408 // check if this bit is set
409 if (host_client->statsdeltabits[i >> 3] & (1 << (i & 7)))
411 host_client->statsdeltabits[i >> 3] -= (1 << (i & 7));
412 // send the stat as a byte if possible
413 if (sv.protocol == PROTOCOL_QUAKEWORLD)
415 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
417 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestat);
418 MSG_WriteByte(&host_client->netconnection->message, i);
419 MSG_WriteByte(&host_client->netconnection->message, host_client->stats[i]);
423 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestatlong);
424 MSG_WriteByte(&host_client->netconnection->message, i);
425 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
430 // this could make use of svc_updatestatubyte in DP6 and later
431 // protocols but those protocols do not use this function
432 MSG_WriteByte(&host_client->netconnection->message, svc_updatestat);
433 MSG_WriteByte(&host_client->netconnection->message, i);
434 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
441 void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_state_t *states)
443 const entity_state_t *s;
444 entity_state_t baseline;
447 unsigned char data[128];
450 // prepare the buffer
451 memset(&buf, 0, sizeof(buf));
453 buf.maxsize = sizeof(data);
455 for (i = 0, s = states;i < numstates;i++, s++)
457 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
458 if(val && val->function)
461 // prepare the buffer
466 if (s->number >= 256)
467 bits |= U_LONGENTITY;
468 if (s->flags & RENDER_STEP)
470 if (s->flags & RENDER_VIEWMODEL)
472 if (s->flags & RENDER_GLOWTRAIL)
474 if (s->flags & RENDER_EXTERIORMODEL)
475 bits |= U_EXTERIORMODEL;
477 // LordHavoc: old stuff, but rewritten to have more exact tolerances
478 baseline = prog->edicts[s->number].priv.server->baseline;
479 if (baseline.origin[0] != s->origin[0])
481 if (baseline.origin[1] != s->origin[1])
483 if (baseline.origin[2] != s->origin[2])
485 if (baseline.angles[0] != s->angles[0])
487 if (baseline.angles[1] != s->angles[1])
489 if (baseline.angles[2] != s->angles[2])
491 if (baseline.colormap != s->colormap)
493 if (baseline.skin != s->skin)
495 if (baseline.frame != s->frame)
498 if (s->frame & 0xFF00)
501 if (baseline.effects != s->effects)
504 if (s->effects & 0xFF00)
507 if (baseline.modelindex != s->modelindex)
510 if (s->modelindex & 0xFF00)
513 if (baseline.alpha != s->alpha)
515 if (baseline.scale != s->scale)
517 if (baseline.glowsize != s->glowsize)
519 if (baseline.glowcolor != s->glowcolor)
521 if (!VectorCompare(baseline.colormod, s->colormod))
524 // if extensions are disabled, clear the relevant update flags
525 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
527 if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
528 if (s->alpha != 255 || s->effects & EF_FULLBRIGHT)
532 if (bits >= 16777216)
540 MSG_WriteByte (&buf, bits);
541 if (bits & U_MOREBITS) MSG_WriteByte(&buf, bits>>8);
542 if (sv.protocol != PROTOCOL_NEHAHRAMOVIE)
544 if (bits & U_EXTEND1) MSG_WriteByte(&buf, bits>>16);
545 if (bits & U_EXTEND2) MSG_WriteByte(&buf, bits>>24);
547 if (bits & U_LONGENTITY) MSG_WriteShort(&buf, s->number);
548 else MSG_WriteByte(&buf, s->number);
550 if (bits & U_MODEL) MSG_WriteByte(&buf, s->modelindex);
551 if (bits & U_FRAME) MSG_WriteByte(&buf, s->frame);
552 if (bits & U_COLORMAP) MSG_WriteByte(&buf, s->colormap);
553 if (bits & U_SKIN) MSG_WriteByte(&buf, s->skin);
554 if (bits & U_EFFECTS) MSG_WriteByte(&buf, s->effects);
555 if (bits & U_ORIGIN1) MSG_WriteCoord(&buf, s->origin[0], sv.protocol);
556 if (bits & U_ANGLE1) MSG_WriteAngle(&buf, s->angles[0], sv.protocol);
557 if (bits & U_ORIGIN2) MSG_WriteCoord(&buf, s->origin[1], sv.protocol);
558 if (bits & U_ANGLE2) MSG_WriteAngle(&buf, s->angles[1], sv.protocol);
559 if (bits & U_ORIGIN3) MSG_WriteCoord(&buf, s->origin[2], sv.protocol);
560 if (bits & U_ANGLE3) MSG_WriteAngle(&buf, s->angles[2], sv.protocol);
561 if (bits & U_ALPHA) MSG_WriteByte(&buf, s->alpha);
562 if (bits & U_SCALE) MSG_WriteByte(&buf, s->scale);
563 if (bits & U_EFFECTS2) MSG_WriteByte(&buf, s->effects >> 8);
564 if (bits & U_GLOWSIZE) MSG_WriteByte(&buf, s->glowsize);
565 if (bits & U_GLOWCOLOR) MSG_WriteByte(&buf, s->glowcolor);
566 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);}
567 if (bits & U_FRAME2) MSG_WriteByte(&buf, s->frame >> 8);
568 if (bits & U_MODEL2) MSG_WriteByte(&buf, s->modelindex >> 8);
570 // the nasty protocol
571 if ((bits & U_EXTEND1) && sv.protocol == PROTOCOL_NEHAHRAMOVIE)
573 if (s->effects & EF_FULLBRIGHT)
575 MSG_WriteFloat(&buf, 2); // QSG protocol version
576 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
577 MSG_WriteFloat(&buf, 1); // fullbright
581 MSG_WriteFloat(&buf, 1); // QSG protocol version
582 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
586 // if the commit is full, we're done this frame
587 if (msg->cursize + buf.cursize > msg->maxsize)
589 // next frame we will continue where we left off
592 // write the message to the packet
593 SZ_Write(msg, buf.data, buf.cursize);
597 int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
600 // if o is not active, delta from default
604 if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f))
606 if (fabs(n->origin[1] - o->origin[1]) > (1.0f / 256.0f))
608 if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f))
610 if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f)))
612 if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f)))
614 if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f)))
616 if ((n->modelindex ^ o->modelindex) & 0x00FF)
618 if ((n->modelindex ^ o->modelindex) & 0xFF00)
620 if ((n->frame ^ o->frame) & 0x00FF)
622 if ((n->frame ^ o->frame) & 0xFF00)
624 if ((n->effects ^ o->effects) & 0x00FF)
626 if ((n->effects ^ o->effects) & 0xFF00)
628 if (n->colormap != o->colormap)
630 if (n->skin != o->skin)
632 if (n->alpha != o->alpha)
634 if (n->scale != o->scale)
636 if (n->glowsize != o->glowsize)
638 if (n->glowcolor != o->glowcolor)
640 if (n->flags != o->flags)
642 if (n->tagindex != o->tagindex || n->tagentity != o->tagentity)
643 bits |= E_TAGATTACHMENT;
644 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])
646 if (n->lightstyle != o->lightstyle)
647 bits |= E_LIGHTSTYLE;
648 if (n->lightpflags != o->lightpflags)
649 bits |= E_LIGHTPFLAGS;
653 if (bits & 0xFF000000)
655 if (bits & 0x00FF0000)
657 if (bits & 0x0000FF00)
663 void EntityState_WriteExtendBits(sizebuf_t *msg, unsigned int bits)
665 MSG_WriteByte(msg, bits & 0xFF);
666 if (bits & 0x00000080)
668 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
669 if (bits & 0x00008000)
671 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
672 if (bits & 0x00800000)
673 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
678 void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned int bits)
680 if (sv.protocol == PROTOCOL_DARKPLACES2)
682 if (bits & E_ORIGIN1)
683 MSG_WriteCoord16i(msg, ent->origin[0]);
684 if (bits & E_ORIGIN2)
685 MSG_WriteCoord16i(msg, ent->origin[1]);
686 if (bits & E_ORIGIN3)
687 MSG_WriteCoord16i(msg, ent->origin[2]);
691 // LordHavoc: have to write flags first, as they can modify protocol
693 MSG_WriteByte(msg, ent->flags);
694 if (ent->flags & RENDER_LOWPRECISION)
696 if (bits & E_ORIGIN1)
697 MSG_WriteCoord16i(msg, ent->origin[0]);
698 if (bits & E_ORIGIN2)
699 MSG_WriteCoord16i(msg, ent->origin[1]);
700 if (bits & E_ORIGIN3)
701 MSG_WriteCoord16i(msg, ent->origin[2]);
705 if (bits & E_ORIGIN1)
706 MSG_WriteCoord32f(msg, ent->origin[0]);
707 if (bits & E_ORIGIN2)
708 MSG_WriteCoord32f(msg, ent->origin[1]);
709 if (bits & E_ORIGIN3)
710 MSG_WriteCoord32f(msg, ent->origin[2]);
713 if ((sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4) && (ent->flags & RENDER_LOWPRECISION))
716 MSG_WriteAngle8i(msg, ent->angles[0]);
718 MSG_WriteAngle8i(msg, ent->angles[1]);
720 MSG_WriteAngle8i(msg, ent->angles[2]);
725 MSG_WriteAngle16i(msg, ent->angles[0]);
727 MSG_WriteAngle16i(msg, ent->angles[1]);
729 MSG_WriteAngle16i(msg, ent->angles[2]);
732 MSG_WriteByte(msg, ent->modelindex & 0xFF);
734 MSG_WriteByte(msg, (ent->modelindex >> 8) & 0xFF);
736 MSG_WriteByte(msg, ent->frame & 0xFF);
738 MSG_WriteByte(msg, (ent->frame >> 8) & 0xFF);
739 if (bits & E_EFFECTS1)
740 MSG_WriteByte(msg, ent->effects & 0xFF);
741 if (bits & E_EFFECTS2)
742 MSG_WriteByte(msg, (ent->effects >> 8) & 0xFF);
743 if (bits & E_COLORMAP)
744 MSG_WriteByte(msg, ent->colormap);
746 MSG_WriteByte(msg, ent->skin);
748 MSG_WriteByte(msg, ent->alpha);
750 MSG_WriteByte(msg, ent->scale);
751 if (bits & E_GLOWSIZE)
752 MSG_WriteByte(msg, ent->glowsize);
753 if (bits & E_GLOWCOLOR)
754 MSG_WriteByte(msg, ent->glowcolor);
755 if (sv.protocol == PROTOCOL_DARKPLACES2)
757 MSG_WriteByte(msg, ent->flags);
758 if (bits & E_TAGATTACHMENT)
760 MSG_WriteShort(msg, ent->tagentity);
761 MSG_WriteByte(msg, ent->tagindex);
765 MSG_WriteShort(msg, ent->light[0]);
766 MSG_WriteShort(msg, ent->light[1]);
767 MSG_WriteShort(msg, ent->light[2]);
768 MSG_WriteShort(msg, ent->light[3]);
770 if (bits & E_LIGHTSTYLE)
771 MSG_WriteByte(msg, ent->lightstyle);
772 if (bits & E_LIGHTPFLAGS)
773 MSG_WriteByte(msg, ent->lightpflags);
776 void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const entity_state_t *delta)
781 // entity is active, check for changes from the delta
782 if ((bits = EntityState_DeltaBits(delta, ent)))
784 // write the update number, bits, and fields
785 MSG_WriteShort(msg, ent->number);
786 EntityState_WriteExtendBits(msg, bits);
787 EntityState_WriteFields(ent, msg, bits);
792 // entity is inactive, check if the delta was active
795 // write the remove number
796 MSG_WriteShort(msg, ent->number | 0x8000);
801 int EntityState_ReadExtendBits(void)
804 bits = MSG_ReadByte();
805 if (bits & 0x00000080)
807 bits |= MSG_ReadByte() << 8;
808 if (bits & 0x00008000)
810 bits |= MSG_ReadByte() << 16;
811 if (bits & 0x00800000)
812 bits |= MSG_ReadByte() << 24;
818 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
820 if (cls.protocol == PROTOCOL_DARKPLACES2)
822 if (bits & E_ORIGIN1)
823 e->origin[0] = MSG_ReadCoord16i();
824 if (bits & E_ORIGIN2)
825 e->origin[1] = MSG_ReadCoord16i();
826 if (bits & E_ORIGIN3)
827 e->origin[2] = MSG_ReadCoord16i();
832 e->flags = MSG_ReadByte();
833 if (e->flags & RENDER_LOWPRECISION)
835 if (bits & E_ORIGIN1)
836 e->origin[0] = MSG_ReadCoord16i();
837 if (bits & E_ORIGIN2)
838 e->origin[1] = MSG_ReadCoord16i();
839 if (bits & E_ORIGIN3)
840 e->origin[2] = MSG_ReadCoord16i();
844 if (bits & E_ORIGIN1)
845 e->origin[0] = MSG_ReadCoord32f();
846 if (bits & E_ORIGIN2)
847 e->origin[1] = MSG_ReadCoord32f();
848 if (bits & E_ORIGIN3)
849 e->origin[2] = MSG_ReadCoord32f();
852 if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
855 e->angles[0] = MSG_ReadAngle16i();
857 e->angles[1] = MSG_ReadAngle16i();
859 e->angles[2] = MSG_ReadAngle16i();
864 e->angles[0] = MSG_ReadAngle8i();
866 e->angles[1] = MSG_ReadAngle8i();
868 e->angles[2] = MSG_ReadAngle8i();
871 e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte();
873 e->modelindex = (e->modelindex & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
875 e->frame = (e->frame & 0xFF00) | (unsigned int) MSG_ReadByte();
877 e->frame = (e->frame & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
878 if (bits & E_EFFECTS1)
879 e->effects = (e->effects & 0xFF00) | (unsigned int) MSG_ReadByte();
880 if (bits & E_EFFECTS2)
881 e->effects = (e->effects & 0x00FF) | ((unsigned int) MSG_ReadByte() << 8);
882 if (bits & E_COLORMAP)
883 e->colormap = MSG_ReadByte();
885 e->skin = MSG_ReadByte();
887 e->alpha = MSG_ReadByte();
889 e->scale = MSG_ReadByte();
890 if (bits & E_GLOWSIZE)
891 e->glowsize = MSG_ReadByte();
892 if (bits & E_GLOWCOLOR)
893 e->glowcolor = MSG_ReadByte();
894 if (cls.protocol == PROTOCOL_DARKPLACES2)
896 e->flags = MSG_ReadByte();
897 if (bits & E_TAGATTACHMENT)
899 e->tagentity = (unsigned short) MSG_ReadShort();
900 e->tagindex = MSG_ReadByte();
904 e->light[0] = (unsigned short) MSG_ReadShort();
905 e->light[1] = (unsigned short) MSG_ReadShort();
906 e->light[2] = (unsigned short) MSG_ReadShort();
907 e->light[3] = (unsigned short) MSG_ReadShort();
909 if (bits & E_LIGHTSTYLE)
910 e->lightstyle = MSG_ReadByte();
911 if (bits & E_LIGHTPFLAGS)
912 e->lightpflags = MSG_ReadByte();
914 if (developer_networkentities.integer >= 2)
916 Con_Printf("ReadFields e%i", e->number);
918 if (bits & E_ORIGIN1)
919 Con_Printf(" E_ORIGIN1 %f", e->origin[0]);
920 if (bits & E_ORIGIN2)
921 Con_Printf(" E_ORIGIN2 %f", e->origin[1]);
922 if (bits & E_ORIGIN3)
923 Con_Printf(" E_ORIGIN3 %f", e->origin[2]);
925 Con_Printf(" E_ANGLE1 %f", e->angles[0]);
927 Con_Printf(" E_ANGLE2 %f", e->angles[1]);
929 Con_Printf(" E_ANGLE3 %f", e->angles[2]);
930 if (bits & (E_MODEL1 | E_MODEL2))
931 Con_Printf(" E_MODEL %i", e->modelindex);
933 if (bits & (E_FRAME1 | E_FRAME2))
934 Con_Printf(" E_FRAME %i", e->frame);
935 if (bits & (E_EFFECTS1 | E_EFFECTS2))
936 Con_Printf(" E_EFFECTS %i", e->effects);
938 Con_Printf(" E_ALPHA %f", e->alpha / 255.0f);
940 Con_Printf(" E_SCALE %f", e->scale / 16.0f);
941 if (bits & E_COLORMAP)
942 Con_Printf(" E_COLORMAP %i", e->colormap);
944 Con_Printf(" E_SKIN %i", e->skin);
946 if (bits & E_GLOWSIZE)
947 Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4);
948 if (bits & E_GLOWCOLOR)
949 Con_Printf(" E_GLOWCOLOR %i", e->glowcolor);
952 Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]);
953 if (bits & E_LIGHTPFLAGS)
954 Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags);
956 if (bits & E_TAGATTACHMENT)
957 Con_Printf(" E_TAGATTACHMENT e%i:%i", e->tagentity, e->tagindex);
958 if (bits & E_LIGHTSTYLE)
959 Con_Printf(" E_LIGHTSTYLE %i", e->lightstyle);
964 // (client and server) allocates a new empty database
965 entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool)
967 return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t));
970 // (client and server) frees the database
971 void EntityFrame_FreeDatabase(entityframe_database_t *d)
976 // (server) clears the database to contain no frames (thus delta compression compresses against nothing)
977 void EntityFrame_ClearDatabase(entityframe_database_t *d)
979 memset(d, 0, sizeof(*d));
982 // (server and client) removes frames older than 'frame' from database
983 void EntityFrame_AckFrame(entityframe_database_t *d, int frame)
986 d->ackframenum = frame;
987 for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++);
988 // ignore outdated frame acks (out of order packets)
992 // if some queue is left, slide it down to beginning of array
994 memmove(&d->frames[0], &d->frames[i], sizeof(d->frames[0]) * d->numframes);
997 // (server) clears frame, to prepare for adding entities
998 void EntityFrame_Clear(entity_frame_t *f, vec3_t eye, int framenum)
1001 f->framenum = framenum;
1004 VectorClear(f->eye);
1006 VectorCopy(eye, f->eye);
1009 // (server and client) reads a frame from the database
1010 void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f)
1013 EntityFrame_Clear(f, NULL, -1);
1014 for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++);
1015 if (i < d->numframes && framenum == d->frames[i].framenum)
1017 f->framenum = framenum;
1018 f->numentities = d->frames[i].endentity - d->frames[i].firstentity;
1019 n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE);
1020 if (n > f->numentities)
1022 memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n);
1023 if (f->numentities > n)
1024 memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n));
1025 VectorCopy(d->eye, f->eye);
1029 // (server and client) adds a entity_frame to the database, for future reference
1030 void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata)
1033 entity_frameinfo_t *info;
1035 VectorCopy(eye, d->eye);
1037 // figure out how many entity slots are used already
1040 n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
1041 if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
1043 // ran out of room, dump database
1044 EntityFrame_ClearDatabase(d);
1048 info = &d->frames[d->numframes];
1049 info->framenum = framenum;
1051 // make sure we check the newly added frame as well, but we haven't incremented numframes yet
1052 for (n = 0;n <= d->numframes;n++)
1054 if (e >= d->frames[n].framenum)
1057 Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
1059 Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
1062 e = d->frames[n].framenum;
1064 // if database still has frames after that...
1066 info->firstentity = d->frames[d->numframes - 1].endentity;
1068 info->firstentity = 0;
1069 info->endentity = info->firstentity + numentities;
1072 n = info->firstentity % MAX_ENTITY_DATABASE;
1073 e = MAX_ENTITY_DATABASE - n;
1074 if (e > numentities)
1076 memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
1077 if (numentities > e)
1078 memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
1081 // (server) writes a frame to network stream
1082 void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
1084 int i, onum, number;
1085 entity_frame_t *o = &d->deltaframe;
1086 const entity_state_t *ent, *delta;
1090 d->latestframenum++;
1093 for (i = 0;i < numstates;i++)
1095 if (states[i].number == viewentnum)
1097 VectorSet(eye, states[i].origin[0], states[i].origin[1], states[i].origin[2] + 22);
1102 EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states);
1104 EntityFrame_FetchFrame(d, d->ackframenum, o);
1106 MSG_WriteByte (msg, svc_entities);
1107 MSG_WriteLong (msg, o->framenum);
1108 MSG_WriteLong (msg, d->latestframenum);
1109 MSG_WriteFloat (msg, eye[0]);
1110 MSG_WriteFloat (msg, eye[1]);
1111 MSG_WriteFloat (msg, eye[2]);
1114 for (i = 0;i < numstates;i++)
1117 number = ent->number;
1119 val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
1120 if(val && val->function)
1122 for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
1124 // write remove message
1125 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1127 if (onum < o->numentities && (o->entitydata[onum].number == number))
1129 // delta from previous frame
1130 delta = o->entitydata + onum;
1131 // advance to next entity in delta frame
1136 // delta from defaults
1137 delta = &defaultstate;
1139 EntityState_WriteUpdate(ent, msg, delta);
1141 for (;onum < o->numentities;onum++)
1143 // write remove message
1144 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1146 MSG_WriteShort(msg, 0xFFFF);
1149 // (client) reads a frame from network stream
1150 void EntityFrame_CL_ReadFrame(void)
1152 int i, number, removed;
1153 entity_frame_t *f, *delta;
1154 entity_state_t *e, *old, *oldend;
1156 entityframe_database_t *d;
1157 if (!cl.entitydatabase)
1158 cl.entitydatabase = EntityFrame_AllocDatabase(cls.levelmempool);
1159 d = cl.entitydatabase;
1161 delta = &d->deltaframe;
1163 EntityFrame_Clear(f, NULL, -1);
1165 // read the frame header info
1166 f->time = cl.mtime[0];
1167 number = MSG_ReadLong();
1168 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1169 cl.latestframenums[i] = cl.latestframenums[i+1];
1170 cl.latestframenums[LATESTFRAMENUMS-1] = f->framenum = MSG_ReadLong();
1171 f->eye[0] = MSG_ReadFloat();
1172 f->eye[1] = MSG_ReadFloat();
1173 f->eye[2] = MSG_ReadFloat();
1174 EntityFrame_AckFrame(d, number);
1175 EntityFrame_FetchFrame(d, number, delta);
1176 old = delta->entitydata;
1177 oldend = old + delta->numentities;
1178 // read entities until we hit the magic 0xFFFF end tag
1179 while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread)
1182 Host_Error("EntityFrame_Read: read error");
1183 removed = number & 0x8000;
1185 if (number >= MAX_EDICTS)
1186 Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
1188 // seek to entity, while copying any skipped entities (assume unchanged)
1189 while (old < oldend && old->number < number)
1191 if (f->numentities >= MAX_ENTITY_DATABASE)
1192 Host_Error("EntityFrame_Read: entity list too big");
1193 f->entitydata[f->numentities] = *old++;
1194 f->entitydata[f->numentities++].time = cl.mtime[0];
1198 if (old < oldend && old->number == number)
1201 Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number);
1205 if (f->numentities >= MAX_ENTITY_DATABASE)
1206 Host_Error("EntityFrame_Read: entity list too big");
1208 // reserve this slot
1209 e = f->entitydata + f->numentities++;
1211 if (old < oldend && old->number == number)
1213 // delta from old entity
1218 // delta from defaults
1222 if (cl.num_entities <= number)
1224 cl.num_entities = number + 1;
1225 if (number >= cl.max_entities)
1226 CL_ExpandEntities(number);
1228 cl.entities_active[number] = true;
1230 e->time = cl.mtime[0];
1232 EntityState_ReadFields(e, EntityState_ReadExtendBits());
1235 while (old < oldend)
1237 if (f->numentities >= MAX_ENTITY_DATABASE)
1238 Host_Error("EntityFrame_Read: entity list too big");
1239 f->entitydata[f->numentities] = *old++;
1240 f->entitydata[f->numentities++].time = cl.mtime[0];
1242 EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
1244 memset(cl.entities_active, 0, cl.num_entities * sizeof(unsigned char));
1246 for (i = 0;i < f->numentities;i++)
1248 for (;number < f->entitydata[i].number && number < cl.num_entities;number++)
1250 if (cl.entities_active[number])
1252 cl.entities_active[number] = false;
1253 cl.entities[number].state_current.active = false;
1256 if (number >= cl.num_entities)
1258 // update the entity
1259 ent = &cl.entities[number];
1260 ent->state_previous = ent->state_current;
1261 ent->state_current = f->entitydata[i];
1262 CL_MoveLerpEntityStates(ent);
1263 // the entity lives again...
1264 cl.entities_active[number] = true;
1267 for (;number < cl.num_entities;number++)
1269 if (cl.entities_active[number])
1271 cl.entities_active[number] = false;
1272 cl.entities[number].state_current.active = false;
1278 // (client) returns the frame number of the most recent frame recieved
1279 int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d)
1282 return d->frames[d->numframes - 1].framenum;
1292 entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number)
1294 if (d->maxreferenceentities <= number)
1296 int oldmax = d->maxreferenceentities;
1297 entity_state_t *oldentity = d->referenceentity;
1298 d->maxreferenceentities = (number + 15) & ~7;
1299 d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
1302 memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
1303 Mem_Free(oldentity);
1305 // clear the newly created entities
1306 for (;oldmax < d->maxreferenceentities;oldmax++)
1308 d->referenceentity[oldmax] = defaultstate;
1309 d->referenceentity[oldmax].number = oldmax;
1312 return d->referenceentity + number;
1315 void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s)
1317 // resize commit's entity list if full
1318 if (d->currentcommit->maxentities <= d->currentcommit->numentities)
1320 entity_state_t *oldentity = d->currentcommit->entity;
1321 d->currentcommit->maxentities += 8;
1322 d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
1325 memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
1326 Mem_Free(oldentity);
1329 d->currentcommit->entity[d->currentcommit->numentities++] = *s;
1332 entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
1334 entityframe4_database_t *d;
1335 d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
1337 EntityFrame4_ResetDatabase(d);
1341 void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
1344 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1345 if (d->commit[i].entity)
1346 Mem_Free(d->commit[i].entity);
1347 if (d->referenceentity)
1348 Mem_Free(d->referenceentity);
1352 void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
1355 d->referenceframenum = -1;
1356 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1357 d->commit[i].numentities = 0;
1358 for (i = 0;i < d->maxreferenceentities;i++)
1359 d->referenceentity[i] = defaultstate;
1362 int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode)
1365 entity_database4_commit_t *commit;
1368 // reset reference, but leave commits alone
1369 d->referenceframenum = -1;
1370 for (i = 0;i < d->maxreferenceentities;i++)
1371 d->referenceentity[i] = defaultstate;
1372 // if this is the server, remove commits
1373 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1374 commit->numentities = 0;
1377 else if (d->referenceframenum == framenum)
1382 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1384 if (commit->numentities && commit->framenum <= framenum)
1386 if (commit->framenum == framenum)
1389 d->referenceframenum = framenum;
1390 if (developer_networkentities.integer >= 3)
1392 for (j = 0;j < commit->numentities;j++)
1394 entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
1395 if (commit->entity[j].active != s->active)
1397 if (commit->entity[j].active)
1398 Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1400 Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1402 *s = commit->entity[j];
1406 for (j = 0;j < commit->numentities;j++)
1407 *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j];
1409 commit->numentities = 0;
1413 if (developer_networkentities.integer >= 1)
1415 Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum);
1416 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1417 if (d->commit[i].numentities)
1418 Con_Printf(" %i", d->commit[i].framenum);
1424 void EntityFrame4_CL_ReadFrame(void)
1426 int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false;
1428 entityframe4_database_t *d;
1429 if (!cl.entitydatabase4)
1430 cl.entitydatabase4 = EntityFrame4_AllocDatabase(cls.levelmempool);
1431 d = cl.entitydatabase4;
1432 // read the number of the frame this refers to
1433 referenceframenum = MSG_ReadLong();
1434 // read the number of this frame
1435 for (i = 0;i < LATESTFRAMENUMS-1;i++)
1436 cl.latestframenums[i] = cl.latestframenums[i+1];
1437 cl.latestframenums[LATESTFRAMENUMS-1] = framenum = MSG_ReadLong();
1438 // read the start number
1439 enumber = (unsigned short) MSG_ReadShort();
1440 if (developer_networkentities.integer >= 10)
1442 Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum);
1443 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1444 if (d->commit[i].numentities)
1445 Con_Printf(" %i", d->commit[i].framenum);
1448 if (!EntityFrame4_AckFrame(d, referenceframenum, false))
1450 Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n");
1453 d->currentcommit = NULL;
1454 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1456 if (!d->commit[i].numentities)
1458 d->currentcommit = d->commit + i;
1459 d->currentcommit->framenum = framenum;
1460 d->currentcommit->numentities = 0;
1463 if (d->currentcommit == NULL)
1465 Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum);
1469 while (!done && !msg_badread)
1471 // read the number of the modified entity
1472 // (gaps will be copied unmodified)
1473 n = (unsigned short)MSG_ReadShort();
1476 // no more entities in this update, but we still need to copy the
1477 // rest of the reference entities (final gap)
1479 // read end of range number, then process normally
1480 n = (unsigned short)MSG_ReadShort();
1482 // high bit means it's a remove message
1483 cnumber = n & 0x7FFF;
1484 // if this is a live entity we may need to expand the array
1485 if (cl.num_entities <= cnumber && !(n & 0x8000))
1487 cl.num_entities = cnumber + 1;
1488 if (cnumber >= cl.max_entities)
1489 CL_ExpandEntities(cnumber);
1491 // add one (the changed one) if not done
1492 stopnumber = cnumber + !done;
1493 // process entities in range from the last one to the changed one
1494 for (;enumber < stopnumber;enumber++)
1496 if (skip || enumber >= cl.num_entities)
1498 if (enumber == cnumber && (n & 0x8000) == 0)
1500 entity_state_t tempstate;
1501 EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits());
1505 // slide the current into the previous slot
1506 cl.entities[enumber].state_previous = cl.entities[enumber].state_current;
1507 // copy a new current from reference database
1508 cl.entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber);
1509 s = &cl.entities[enumber].state_current;
1510 // if this is the one to modify, read more data...
1511 if (enumber == cnumber)
1516 if (developer_networkentities.integer >= 2)
1517 Con_Printf("entity %i: remove\n", enumber);
1523 if (developer_networkentities.integer >= 2)
1524 Con_Printf("entity %i: update\n", enumber);
1526 EntityState_ReadFields(s, EntityState_ReadExtendBits());
1529 else if (developer_networkentities.integer >= 4)
1530 Con_Printf("entity %i: copy\n", enumber);
1531 // set the cl.entities_active flag
1532 cl.entities_active[enumber] = s->active;
1533 // set the update time
1534 s->time = cl.mtime[0];
1535 // fix the number (it gets wiped occasionally by copying from defaultstate)
1536 s->number = enumber;
1537 // check if we need to update the lerp stuff
1539 CL_MoveLerpEntityStates(&cl.entities[enumber]);
1540 // add this to the commit entry whether it is modified or not
1541 if (d->currentcommit)
1542 EntityFrame4_AddCommitEntity(d, &cl.entities[enumber].state_current);
1543 // print extra messages if desired
1544 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
1546 if (cl.entities[enumber].state_current.active)
1547 Con_Printf("entity #%i has become active\n", enumber);
1548 else if (cl.entities[enumber].state_previous.active)
1549 Con_Printf("entity #%i has become inactive\n", enumber);
1553 d->currentcommit = NULL;
1555 EntityFrame4_ResetDatabase(d);
1558 void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int numstates, const entity_state_t *states)
1560 const entity_state_t *e, *s;
1561 entity_state_t inactiveentitystate;
1562 int i, n, startnumber;
1564 unsigned char data[128];
1567 // if there isn't enough space to accomplish anything, skip it
1568 if (msg->cursize + 24 > msg->maxsize)
1571 // prepare the buffer
1572 memset(&buf, 0, sizeof(buf));
1574 buf.maxsize = sizeof(data);
1576 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1577 if (!d->commit[i].numentities)
1579 // if commit buffer full, just don't bother writing an update this frame
1580 if (i == MAX_ENTITY_HISTORY)
1582 d->currentcommit = d->commit + i;
1584 // this state's number gets played around with later
1585 inactiveentitystate = defaultstate;
1587 d->currentcommit->numentities = 0;
1588 d->currentcommit->framenum = ++d->latestframenumber;
1589 MSG_WriteByte(msg, svc_entities);
1590 MSG_WriteLong(msg, d->referenceframenum);
1591 MSG_WriteLong(msg, d->currentcommit->framenum);
1592 if (developer_networkentities.integer >= 10)
1594 Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum);
1595 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1596 if (d->commit[i].numentities)
1597 Con_Printf(" %i", d->commit[i].framenum);
1600 if (d->currententitynumber >= prog->max_edicts)
1603 startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
1604 MSG_WriteShort(msg, startnumber);
1605 // reset currententitynumber so if the loop does not break it we will
1606 // start at beginning next frame (if it does break, it will set it)
1607 d->currententitynumber = 1;
1608 for (i = 0, n = startnumber;n < prog->max_edicts;n++)
1610 val = PRVM_EDICTFIELDVALUE((&prog->edicts[n]), prog->fieldoffsets.SendEntity);
1611 if(val && val->function)
1613 // find the old state to delta from
1614 e = EntityFrame4_GetReferenceEntity(d, n);
1615 // prepare the buffer
1617 // entity exists, build an update (if empty there is no change)
1618 // find the state in the list
1619 for (;i < numstates && states[i].number < n;i++);
1625 EntityState_WriteUpdate(s, &buf, e);
1629 inactiveentitystate.number = n;
1630 s = &inactiveentitystate;
1633 // entity used to exist but doesn't anymore, send remove
1634 MSG_WriteShort(&buf, n | 0x8000);
1637 // if the commit is full, we're done this frame
1638 if (msg->cursize + buf.cursize > msg->maxsize - 4)
1640 // next frame we will continue where we left off
1643 // add the entity to the commit
1644 EntityFrame4_AddCommitEntity(d, s);
1645 // if the message is empty, skip out now
1648 // write the message to the packet
1649 SZ_Write(msg, buf.data, buf.cursize);
1652 d->currententitynumber = n;
1654 // remove world message (invalid, and thus a good terminator)
1655 MSG_WriteShort(msg, 0x8000);
1656 // write the number of the end entity
1657 MSG_WriteShort(msg, d->currententitynumber);
1659 d->currentcommit = NULL;
1665 entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
1668 entityframe5_database_t *d;
1669 d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
1670 d->latestframenum = 0;
1671 for (i = 0;i < d->maxedicts;i++)
1672 d->states[i] = defaultstate;
1676 void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
1678 // all the [maxedicts] memory is allocated at once, so there's only one
1681 Mem_Free(d->deltabits);
1685 void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
1687 if (d->maxedicts < newmax)
1689 unsigned char *data;
1690 int oldmaxedicts = d->maxedicts;
1691 int *olddeltabits = d->deltabits;
1692 unsigned char *oldpriorities = d->priorities;
1693 int *oldupdateframenum = d->updateframenum;
1694 entity_state_t *oldstates = d->states;
1695 unsigned char *oldvisiblebits = d->visiblebits;
1696 d->maxedicts = newmax;
1697 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));
1698 d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
1699 d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
1700 d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
1701 d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
1702 d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
1705 memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
1706 memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
1707 memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
1708 memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
1709 memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
1710 // the previous buffers were a single allocation, so just one free
1711 Mem_Free(olddeltabits);
1716 int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
1718 int limit, priority;
1720 // if it is the player, update urgently
1721 if (stateindex == d->viewentnum)
1722 return ENTITYFRAME5_PRIORITYLEVELS - 1;
1723 // priority increases each frame no matter what happens
1724 priority = d->priorities[stateindex] + 1;
1725 // players get an extra priority boost
1726 if (stateindex <= svs.maxclients)
1728 // remove dead entities very quickly because they are just 2 bytes
1729 if (!d->states[stateindex].active)
1732 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1734 // certain changes are more noticable than others
1735 if (d->deltabits[stateindex] & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP))
1737 // find the root entity this one is attached to, and judge relevance by it
1738 for (limit = 0;limit < 256;limit++)
1740 s = d->states + stateindex;
1741 if (s->flags & RENDER_VIEWMODEL)
1742 stateindex = d->viewentnum;
1743 else if (s->tagentity)
1744 stateindex = s->tagentity;
1747 if (d->maxedicts < stateindex)
1748 EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255);
1751 Con_DPrintf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex);
1752 // now that we have the parent entity we can make some decisions based on
1753 // distance from the player
1754 if (VectorDistance(d->states[d->viewentnum].netcenter, s->netcenter) < 1024.0f)
1756 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
1759 void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
1761 unsigned int bits = 0;
1764 val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
1765 if(val && val->function)
1769 MSG_WriteShort(msg, number | 0x8000);
1773 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))
1774 bits |= E5_ORIGIN32;
1775 if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION))
1776 bits |= E5_ANGLES16;
1777 if ((bits & E5_MODEL) && s->modelindex >= 256)
1779 if ((bits & E5_FRAME) && s->frame >= 256)
1781 if (bits & E5_EFFECTS)
1783 if (s->effects & 0xFFFF0000)
1784 bits |= E5_EFFECTS32;
1785 else if (s->effects & 0xFFFFFF00)
1786 bits |= E5_EFFECTS16;
1792 if (bits >= 16777216)
1794 MSG_WriteShort(msg, number);
1795 MSG_WriteByte(msg, bits & 0xFF);
1796 if (bits & E5_EXTEND1)
1797 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
1798 if (bits & E5_EXTEND2)
1799 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
1800 if (bits & E5_EXTEND3)
1801 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
1802 if (bits & E5_FLAGS)
1803 MSG_WriteByte(msg, s->flags);
1804 if (bits & E5_ORIGIN)
1806 if (bits & E5_ORIGIN32)
1808 MSG_WriteCoord32f(msg, s->origin[0]);
1809 MSG_WriteCoord32f(msg, s->origin[1]);
1810 MSG_WriteCoord32f(msg, s->origin[2]);
1814 MSG_WriteCoord13i(msg, s->origin[0]);
1815 MSG_WriteCoord13i(msg, s->origin[1]);
1816 MSG_WriteCoord13i(msg, s->origin[2]);
1819 if (bits & E5_ANGLES)
1821 if (bits & E5_ANGLES16)
1823 MSG_WriteAngle16i(msg, s->angles[0]);
1824 MSG_WriteAngle16i(msg, s->angles[1]);
1825 MSG_WriteAngle16i(msg, s->angles[2]);
1829 MSG_WriteAngle8i(msg, s->angles[0]);
1830 MSG_WriteAngle8i(msg, s->angles[1]);
1831 MSG_WriteAngle8i(msg, s->angles[2]);
1834 if (bits & E5_MODEL)
1836 if (bits & E5_MODEL16)
1837 MSG_WriteShort(msg, s->modelindex);
1839 MSG_WriteByte(msg, s->modelindex);
1841 if (bits & E5_FRAME)
1843 if (bits & E5_FRAME16)
1844 MSG_WriteShort(msg, s->frame);
1846 MSG_WriteByte(msg, s->frame);
1849 MSG_WriteByte(msg, s->skin);
1850 if (bits & E5_EFFECTS)
1852 if (bits & E5_EFFECTS32)
1853 MSG_WriteLong(msg, s->effects);
1854 else if (bits & E5_EFFECTS16)
1855 MSG_WriteShort(msg, s->effects);
1857 MSG_WriteByte(msg, s->effects);
1859 if (bits & E5_ALPHA)
1860 MSG_WriteByte(msg, s->alpha);
1861 if (bits & E5_SCALE)
1862 MSG_WriteByte(msg, s->scale);
1863 if (bits & E5_COLORMAP)
1864 MSG_WriteByte(msg, s->colormap);
1865 if (bits & E5_ATTACHMENT)
1867 MSG_WriteShort(msg, s->tagentity);
1868 MSG_WriteByte(msg, s->tagindex);
1870 if (bits & E5_LIGHT)
1872 MSG_WriteShort(msg, s->light[0]);
1873 MSG_WriteShort(msg, s->light[1]);
1874 MSG_WriteShort(msg, s->light[2]);
1875 MSG_WriteShort(msg, s->light[3]);
1876 MSG_WriteByte(msg, s->lightstyle);
1877 MSG_WriteByte(msg, s->lightpflags);
1881 MSG_WriteByte(msg, s->glowsize);
1882 MSG_WriteByte(msg, s->glowcolor);
1884 if (bits & E5_COLORMOD)
1886 MSG_WriteByte(msg, s->colormod[0]);
1887 MSG_WriteByte(msg, s->colormod[1]);
1888 MSG_WriteByte(msg, s->colormod[2]);
1893 void EntityState5_ReadUpdate(entity_state_t *s, int number)
1896 bits = MSG_ReadByte();
1897 if (bits & E5_EXTEND1)
1899 bits |= MSG_ReadByte() << 8;
1900 if (bits & E5_EXTEND2)
1902 bits |= MSG_ReadByte() << 16;
1903 if (bits & E5_EXTEND3)
1904 bits |= MSG_ReadByte() << 24;
1907 if (bits & E5_FULLUPDATE)
1912 if (bits & E5_FLAGS)
1913 s->flags = MSG_ReadByte();
1914 if (bits & E5_ORIGIN)
1916 if (bits & E5_ORIGIN32)
1918 s->origin[0] = MSG_ReadCoord32f();
1919 s->origin[1] = MSG_ReadCoord32f();
1920 s->origin[2] = MSG_ReadCoord32f();
1924 s->origin[0] = MSG_ReadCoord13i();
1925 s->origin[1] = MSG_ReadCoord13i();
1926 s->origin[2] = MSG_ReadCoord13i();
1929 if (bits & E5_ANGLES)
1931 if (bits & E5_ANGLES16)
1933 s->angles[0] = MSG_ReadAngle16i();
1934 s->angles[1] = MSG_ReadAngle16i();
1935 s->angles[2] = MSG_ReadAngle16i();
1939 s->angles[0] = MSG_ReadAngle8i();
1940 s->angles[1] = MSG_ReadAngle8i();
1941 s->angles[2] = MSG_ReadAngle8i();
1944 if (bits & E5_MODEL)
1946 if (bits & E5_MODEL16)
1947 s->modelindex = (unsigned short) MSG_ReadShort();
1949 s->modelindex = MSG_ReadByte();
1951 if (bits & E5_FRAME)
1953 if (bits & E5_FRAME16)
1954 s->frame = (unsigned short) MSG_ReadShort();
1956 s->frame = MSG_ReadByte();
1959 s->skin = MSG_ReadByte();
1960 if (bits & E5_EFFECTS)
1962 if (bits & E5_EFFECTS32)
1963 s->effects = (unsigned int) MSG_ReadLong();
1964 else if (bits & E5_EFFECTS16)
1965 s->effects = (unsigned short) MSG_ReadShort();
1967 s->effects = MSG_ReadByte();
1969 if (bits & E5_ALPHA)
1970 s->alpha = MSG_ReadByte();
1971 if (bits & E5_SCALE)
1972 s->scale = MSG_ReadByte();
1973 if (bits & E5_COLORMAP)
1974 s->colormap = MSG_ReadByte();
1975 if (bits & E5_ATTACHMENT)
1977 s->tagentity = (unsigned short) MSG_ReadShort();
1978 s->tagindex = MSG_ReadByte();
1980 if (bits & E5_LIGHT)
1982 s->light[0] = (unsigned short) MSG_ReadShort();
1983 s->light[1] = (unsigned short) MSG_ReadShort();
1984 s->light[2] = (unsigned short) MSG_ReadShort();
1985 s->light[3] = (unsigned short) MSG_ReadShort();
1986 s->lightstyle = MSG_ReadByte();
1987 s->lightpflags = MSG_ReadByte();
1991 s->glowsize = MSG_ReadByte();
1992 s->glowcolor = MSG_ReadByte();
1994 if (bits & E5_COLORMOD)
1996 s->colormod[0] = MSG_ReadByte();
1997 s->colormod[1] = MSG_ReadByte();
1998 s->colormod[2] = MSG_ReadByte();
2002 if (developer_networkentities.integer >= 2)
2004 Con_Printf("ReadFields e%i", number);
2006 if (bits & E5_ORIGIN)
2007 Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]);
2008 if (bits & E5_ANGLES)
2009 Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]);
2010 if (bits & E5_MODEL)
2011 Con_Printf(" E5_MODEL %i", s->modelindex);
2012 if (bits & E5_FRAME)
2013 Con_Printf(" E5_FRAME %i", s->frame);
2015 Con_Printf(" E5_SKIN %i", s->skin);
2016 if (bits & E5_EFFECTS)
2017 Con_Printf(" E5_EFFECTS %i", s->effects);
2018 if (bits & E5_FLAGS)
2020 Con_Printf(" E5_FLAGS %i (", s->flags);
2021 if (s->flags & RENDER_STEP)
2023 if (s->flags & RENDER_GLOWTRAIL)
2024 Con_Print(" GLOWTRAIL");
2025 if (s->flags & RENDER_VIEWMODEL)
2026 Con_Print(" VIEWMODEL");
2027 if (s->flags & RENDER_EXTERIORMODEL)
2028 Con_Print(" EXTERIORMODEL");
2029 if (s->flags & RENDER_LOWPRECISION)
2030 Con_Print(" LOWPRECISION");
2031 if (s->flags & RENDER_COLORMAPPED)
2032 Con_Print(" COLORMAPPED");
2033 if (s->flags & RENDER_SHADOW)
2034 Con_Print(" SHADOW");
2035 if (s->flags & RENDER_LIGHT)
2036 Con_Print(" LIGHT");
2037 if (s->flags & RENDER_NOSELFSHADOW)
2038 Con_Print(" NOSELFSHADOW");
2041 if (bits & E5_ALPHA)
2042 Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f);
2043 if (bits & E5_SCALE)
2044 Con_Printf(" E5_SCALE %f", s->scale / 16.0f);
2045 if (bits & E5_COLORMAP)
2046 Con_Printf(" E5_COLORMAP %i", s->colormap);
2047 if (bits & E5_ATTACHMENT)
2048 Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex);
2049 if (bits & E5_LIGHT)
2050 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);
2052 Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor);
2053 if (bits & E5_COLORMOD)
2054 Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f);
2059 int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
2061 unsigned int bits = 0;
2065 bits |= E5_FULLUPDATE;
2066 if (!VectorCompare(o->origin, n->origin))
2068 if (!VectorCompare(o->angles, n->angles))
2070 if (o->modelindex != n->modelindex)
2072 if (o->frame != n->frame)
2074 if (o->skin != n->skin)
2076 if (o->effects != n->effects)
2078 if (o->flags != n->flags)
2080 if (o->alpha != n->alpha)
2082 if (o->scale != n->scale)
2084 if (o->colormap != n->colormap)
2085 bits |= E5_COLORMAP;
2086 if (o->tagentity != n->tagentity || o->tagindex != n->tagindex)
2087 bits |= E5_ATTACHMENT;
2088 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)
2090 if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor)
2092 if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2])
2093 bits |= E5_COLORMOD;
2097 bits |= E5_FULLUPDATE;
2101 void EntityFrame5_CL_ReadFrame(void)
2106 // read the number of this frame to echo back in next input packet
2107 for (i = 0;i < LATESTFRAMENUMS-1;i++)
2108 cl.latestframenums[i] = cl.latestframenums[i+1];
2109 cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
2110 if (developer_networkentities.integer >= 10)
2111 Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
2112 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)
2113 cls.servermovesequence = MSG_ReadLong();
2114 // read entity numbers until we find a 0x8000
2115 // (which would be remove world entity, but is actually a terminator)
2116 while ((n = (unsigned short)MSG_ReadShort()) != 0x8000 && !msg_badread)
2118 // get the entity number
2119 enumber = n & 0x7FFF;
2120 // we may need to expand the array
2121 if (cl.num_entities <= enumber)
2123 cl.num_entities = enumber + 1;
2124 if (enumber >= cl.max_entities)
2125 CL_ExpandEntities(enumber);
2127 // look up the entity
2128 ent = cl.entities + enumber;
2129 // slide the current into the previous slot
2130 ent->state_previous = ent->state_current;
2132 s = &ent->state_current;
2141 EntityState5_ReadUpdate(s, enumber);
2143 // set the cl.entities_active flag
2144 cl.entities_active[enumber] = s->active;
2145 // set the update time
2146 s->time = cl.mtime[0];
2147 // fix the number (it gets wiped occasionally by copying from defaultstate)
2148 s->number = enumber;
2149 // check if we need to update the lerp stuff
2151 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2152 // print extra messages if desired
2153 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
2155 if (cl.entities[enumber].state_current.active)
2156 Con_Printf("entity #%i has become active\n", enumber);
2157 else if (cl.entities[enumber].state_previous.active)
2158 Con_Printf("entity #%i has become inactive\n", enumber);
2163 void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
2165 int i, j, k, l, bits;
2166 entityframe5_changestate_t *s, *s2;
2167 entityframe5_packetlog_t *p, *p2;
2168 unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
2169 // scan for packets that were lost
2170 for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
2172 if (p->packetnumber && p->packetnumber <= framenum)
2174 // packet was lost - merge deltabits into the main array so they
2175 // will be re-sent, but only if there is no newer update of that
2176 // bit in the logs (as those will arrive before this update)
2177 for (j = 0, s = p->states;j < p->numstates;j++, s++)
2179 // check for any newer updates to this entity and mask off any
2180 // overlapping bits (we don't need to send something again if
2181 // it has already been sent more recently)
2182 bits = s->bits & ~d->deltabits[s->number];
2183 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS && bits;k++, p2++)
2185 if (p2->packetnumber > framenum)
2187 for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++)
2189 if (s2->number == s->number)
2197 // if the bits haven't all been cleared, there were some bits
2198 // lost with this packet, so set them again now
2201 d->deltabits[s->number] |= bits;
2202 // if it was a very important update, set priority higher
2203 if (bits & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL || E5_COLORMAP))
2204 d->priorities[s->number] = max(d->priorities[s->number], 4);
2206 d->priorities[s->number] = max(d->priorities[s->number], 1);
2210 for (j = 0;j < MAX_CL_STATS;j++)
2212 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2213 statsdeltabits[l] = p->statsdeltabits[l] & ~host_client->statsdeltabits[l];
2214 for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS;k++, p2++)
2215 if (p2->packetnumber > framenum)
2216 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2217 statsdeltabits[l] = p->statsdeltabits[l] & ~p2->statsdeltabits[l];
2218 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2219 host_client->statsdeltabits[l] |= statsdeltabits[l];
2221 // delete this packet log as it is now obsolete
2222 p->packetnumber = 0;
2227 void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
2230 // scan for packets made obsolete by this ack and delete them
2231 for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++)
2232 if (d->packetlog[i].packetnumber <= framenum)
2233 d->packetlog[i].packetnumber = 0;
2236 void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence)
2238 const entity_state_t *n;
2239 int i, num, l, framenum, packetlognumber, priority;
2241 unsigned char data[128];
2242 entityframe5_packetlog_t *packetlog;
2244 if (prog->max_edicts > d->maxedicts)
2245 EntityFrame5_ExpandEdicts(d, prog->max_edicts);
2247 framenum = d->latestframenum + 1;
2248 d->viewentnum = viewentnum;
2250 // if packet log is full, mark all frames as lost, this will cause
2251 // it to send the lost data again
2252 for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++)
2253 if (d->packetlog[packetlognumber].packetnumber == 0)
2255 if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
2257 Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
2258 EntityFrame5_LostFrame(d, framenum);
2259 packetlognumber = 0;
2262 // prepare the buffer
2263 memset(&buf, 0, sizeof(buf));
2265 buf.maxsize = sizeof(data);
2267 // detect changes in states
2269 for (i = 0, n = states;i < numstates;i++, n++)
2271 // mark gaps in entity numbering as removed entities
2272 for (;num < n->number;num++)
2274 // if the entity used to exist, clear it
2275 if (CHECKPVSBIT(d->visiblebits, num))
2277 CLEARPVSBIT(d->visiblebits, num);
2278 d->deltabits[num] = E5_FULLUPDATE;
2279 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2280 d->states[num] = defaultstate;
2281 d->states[num].number = num;
2284 // update the entity state data
2285 if (!CHECKPVSBIT(d->visiblebits, num))
2287 // entity just spawned in, don't let it completely hog priority
2288 // because of being ancient on the first frame
2289 d->updateframenum[num] = framenum;
2290 // initial priority is a bit high to make projectiles send on the
2291 // first frame, among other things
2292 d->priorities[num] = max(d->priorities[num], 4);
2294 SETPVSBIT(d->visiblebits, num);
2295 d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n);
2296 d->priorities[num] = max(d->priorities[num], 1);
2297 d->states[num] = *n;
2298 d->states[num].number = num;
2299 // advance to next entity so the next iteration doesn't immediately remove it
2302 // all remaining entities are dead
2303 for (;num < d->maxedicts;num++)
2305 if (CHECKPVSBIT(d->visiblebits, num))
2307 CLEARPVSBIT(d->visiblebits, num);
2308 d->deltabits[num] = E5_FULLUPDATE;
2309 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2310 d->states[num] = defaultstate;
2311 d->states[num].number = num;
2315 // if there isn't at least enough room for an empty svc_entities,
2316 // don't bother trying...
2317 if (buf.cursize + 11 > buf.maxsize)
2320 // build lists of entities by priority level
2321 memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
2323 for (num = 0;num < d->maxedicts;num++)
2325 if (d->priorities[num])
2327 if (d->deltabits[num])
2329 if (d->priorities[num] < (ENTITYFRAME5_PRIORITYLEVELS - 1))
2330 d->priorities[num] = EntityState5_Priority(d, num);
2332 priority = d->priorities[num];
2333 if (d->prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES)
2334 d->prioritychains[priority][d->prioritychaincounts[priority]++] = num;
2337 d->priorities[num] = 0;
2341 // add packetlog entry
2342 packetlog = d->packetlog + packetlognumber;
2343 packetlog->packetnumber = framenum;
2344 packetlog->numstates = 0;
2345 // write stat updates
2346 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)
2348 for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++)
2350 if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
2352 host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
2353 packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
2354 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
2356 MSG_WriteByte(msg, svc_updatestatubyte);
2357 MSG_WriteByte(msg, i);
2358 MSG_WriteByte(msg, host_client->stats[i]);
2362 MSG_WriteByte(msg, svc_updatestat);
2363 MSG_WriteByte(msg, i);
2364 MSG_WriteLong(msg, host_client->stats[i]);
2369 // write state updates
2370 if (developer_networkentities.integer >= 10)
2371 Con_Printf("send: svc_entities %i\n", framenum);
2372 d->latestframenum = framenum;
2373 MSG_WriteByte(msg, svc_entities);
2374 MSG_WriteLong(msg, framenum);
2375 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)
2376 MSG_WriteLong(msg, movesequence);
2377 for (priority = ENTITYFRAME5_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
2379 for (i = 0;i < d->prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
2381 num = d->prioritychains[priority][i];
2382 n = d->states + num;
2383 if (d->deltabits[num] & E5_FULLUPDATE)
2384 d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n);
2386 EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf);
2387 // if the entity won't fit, try the next one
2388 if (msg->cursize + buf.cursize + 2 > msg->maxsize)
2390 // write entity to the packet
2391 SZ_Write(msg, buf.data, buf.cursize);
2392 // mark age on entity for prioritization
2393 d->updateframenum[num] = framenum;
2394 // log entity so deltabits can be restored later if lost
2395 packetlog->states[packetlog->numstates].number = num;
2396 packetlog->states[packetlog->numstates].bits = d->deltabits[num];
2397 packetlog->numstates++;
2398 // clear deltabits and priority so it won't be sent again
2399 d->deltabits[num] = 0;
2400 d->priorities[num] = 0;
2403 MSG_WriteShort(msg, 0x8000);
2407 static void QW_TranslateEffects(entity_state_t *s, int qweffects)
2410 s->internaleffects = 0;
2411 if (qweffects & QW_EF_BRIGHTFIELD)
2412 s->effects |= EF_BRIGHTFIELD;
2413 if (qweffects & QW_EF_MUZZLEFLASH)
2414 s->effects |= EF_MUZZLEFLASH;
2415 if (qweffects & QW_EF_FLAG1)
2417 // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
2418 if (s->number > cl.maxclients)
2419 s->effects |= EF_NODRAW;
2421 s->internaleffects |= INTEF_FLAG1QW;
2423 if (qweffects & QW_EF_FLAG2)
2425 // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
2426 if (s->number > cl.maxclients)
2427 s->effects |= EF_ADDITIVE;
2429 s->internaleffects |= INTEF_FLAG2QW;
2431 if (qweffects & QW_EF_RED)
2433 if (qweffects & QW_EF_BLUE)
2434 s->effects |= EF_RED | EF_BLUE;
2436 s->effects |= EF_RED;
2438 else if (qweffects & QW_EF_BLUE)
2439 s->effects |= EF_BLUE;
2440 else if (qweffects & QW_EF_BRIGHTLIGHT)
2441 s->effects |= EF_BRIGHTLIGHT;
2442 else if (qweffects & QW_EF_DIMLIGHT)
2443 s->effects |= EF_DIMLIGHT;
2446 void EntityStateQW_ReadPlayerUpdate(void)
2448 int slot = MSG_ReadByte();
2449 int enumber = slot + 1;
2455 // look up the entity
2456 entity_t *ent = cl.entities + enumber;
2460 // slide the current state into the previous
2461 ent->state_previous = ent->state_current;
2464 s = &ent->state_current;
2467 s->number = enumber;
2468 s->colormap = enumber;
2469 playerflags = MSG_ReadShort();
2470 MSG_ReadVector(s->origin, cls.protocol);
2471 s->frame = MSG_ReadByte();
2473 VectorClear(viewangles);
2474 VectorClear(velocity);
2476 if (playerflags & QW_PF_MSEC)
2478 // time difference between last update this player sent to the server,
2479 // and last input we sent to the server (this packet is in response to
2480 // our input, so msec is how long ago the last update of this player
2481 // entity occurred, compared to our input being received)
2482 msec = MSG_ReadByte();
2486 if (playerflags & QW_PF_COMMAND)
2488 bits = MSG_ReadByte();
2489 if (bits & QW_CM_ANGLE1)
2490 viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
2491 if (bits & QW_CM_ANGLE2)
2492 viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
2493 if (bits & QW_CM_ANGLE3)
2494 viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
2495 if (bits & QW_CM_FORWARD)
2496 MSG_ReadShort(); // cmd->forwardmove
2497 if (bits & QW_CM_SIDE)
2498 MSG_ReadShort(); // cmd->sidemove
2499 if (bits & QW_CM_UP)
2500 MSG_ReadShort(); // cmd->upmove
2501 if (bits & QW_CM_BUTTONS)
2502 MSG_ReadByte(); // cmd->buttons
2503 if (bits & QW_CM_IMPULSE)
2504 MSG_ReadByte(); // cmd->impulse
2505 MSG_ReadByte(); // cmd->msec
2507 if (playerflags & QW_PF_VELOCITY1)
2508 velocity[0] = MSG_ReadShort();
2509 if (playerflags & QW_PF_VELOCITY2)
2510 velocity[1] = MSG_ReadShort();
2511 if (playerflags & QW_PF_VELOCITY3)
2512 velocity[2] = MSG_ReadShort();
2513 if (playerflags & QW_PF_MODEL)
2514 s->modelindex = MSG_ReadByte();
2516 s->modelindex = cl.qw_modelindex_player;
2517 if (playerflags & QW_PF_SKINNUM)
2518 s->skin = MSG_ReadByte();
2519 if (playerflags & QW_PF_EFFECTS)
2520 QW_TranslateEffects(s, MSG_ReadByte());
2521 if (playerflags & QW_PF_WEAPONFRAME)
2522 weaponframe = MSG_ReadByte();
2526 if (enumber == cl.playerentity)
2528 // if this is an update on our player, update the angles
2529 VectorCopy(cl.viewangles, viewangles);
2532 // calculate the entity angles from the viewangles
2533 s->angles[0] = viewangles[0] * -0.0333;
2534 s->angles[1] = viewangles[1];
2536 s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
2538 // if this is an update on our player, update interpolation state
2539 if (enumber == cl.playerentity)
2541 VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
2542 VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
2543 VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
2544 cl.mviewzoom[1] = cl.mviewzoom[0];
2547 cl.mpunchangle[0][0] = 0;
2548 cl.mpunchangle[0][1] = 0;
2549 cl.mpunchangle[0][2] = 0;
2550 cl.mpunchvector[0][0] = 0;
2551 cl.mpunchvector[0][1] = 0;
2552 cl.mpunchvector[0][2] = 0;
2553 cl.mvelocity[0][0] = 0;
2554 cl.mvelocity[0][1] = 0;
2555 cl.mvelocity[0][2] = 0;
2556 cl.mviewzoom[0] = 1;
2558 VectorCopy(velocity, cl.mvelocity[0]);
2559 cl.stats[STAT_WEAPONFRAME] = weaponframe;
2560 if (playerflags & QW_PF_GIB)
2561 cl.stats[STAT_VIEWHEIGHT] = 8;
2562 else if (playerflags & QW_PF_DEAD)
2563 cl.stats[STAT_VIEWHEIGHT] = -16;
2565 cl.stats[STAT_VIEWHEIGHT] = 22;
2568 // set the cl.entities_active flag
2569 cl.entities_active[enumber] = s->active;
2570 // set the update time
2571 s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
2572 // check if we need to update the lerp stuff
2574 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2577 static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
2581 s->number = bits & 511;
2583 if (bits & QW_U_MOREBITS)
2584 bits |= MSG_ReadByte();
2586 // store the QW_U_SOLID bit here?
2588 if (bits & QW_U_MODEL)
2589 s->modelindex = MSG_ReadByte();
2590 if (bits & QW_U_FRAME)
2591 s->frame = MSG_ReadByte();
2592 if (bits & QW_U_COLORMAP)
2593 s->colormap = MSG_ReadByte();
2594 if (bits & QW_U_SKIN)
2595 s->skin = MSG_ReadByte();
2596 if (bits & QW_U_EFFECTS)
2597 QW_TranslateEffects(s, qweffects = MSG_ReadByte());
2598 if (bits & QW_U_ORIGIN1)
2599 s->origin[0] = MSG_ReadCoord13i();
2600 if (bits & QW_U_ANGLE1)
2601 s->angles[0] = MSG_ReadAngle8i();
2602 if (bits & QW_U_ORIGIN2)
2603 s->origin[1] = MSG_ReadCoord13i();
2604 if (bits & QW_U_ANGLE2)
2605 s->angles[1] = MSG_ReadAngle8i();
2606 if (bits & QW_U_ORIGIN3)
2607 s->origin[2] = MSG_ReadCoord13i();
2608 if (bits & QW_U_ANGLE3)
2609 s->angles[2] = MSG_ReadAngle8i();
2611 if (developer_networkentities.integer >= 2)
2613 Con_Printf("ReadFields e%i", s->number);
2614 if (bits & QW_U_MODEL)
2615 Con_Printf(" U_MODEL %i", s->modelindex);
2616 if (bits & QW_U_FRAME)
2617 Con_Printf(" U_FRAME %i", s->frame);
2618 if (bits & QW_U_COLORMAP)
2619 Con_Printf(" U_COLORMAP %i", s->colormap);
2620 if (bits & QW_U_SKIN)
2621 Con_Printf(" U_SKIN %i", s->skin);
2622 if (bits & QW_U_EFFECTS)
2623 Con_Printf(" U_EFFECTS %i", qweffects);
2624 if (bits & QW_U_ORIGIN1)
2625 Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
2626 if (bits & QW_U_ANGLE1)
2627 Con_Printf(" U_ANGLE1 %f", s->angles[0]);
2628 if (bits & QW_U_ORIGIN2)
2629 Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
2630 if (bits & QW_U_ANGLE2)
2631 Con_Printf(" U_ANGLE2 %f", s->angles[1]);
2632 if (bits & QW_U_ORIGIN3)
2633 Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
2634 if (bits & QW_U_ANGLE3)
2635 Con_Printf(" U_ANGLE3 %f", s->angles[2]);
2636 if (bits & QW_U_SOLID)
2637 Con_Printf(" U_SOLID");
2642 entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
2644 entityframeqw_database_t *d;
2645 d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
2649 void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
2654 void EntityFrameQW_CL_ReadFrame(qboolean delta)
2656 qboolean invalid = false;
2657 int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
2659 entityframeqw_database_t *d;
2660 entityframeqw_snapshot_t *oldsnap, *newsnap;
2662 if (!cl.entitydatabaseqw)
2663 cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cls.levelmempool);
2664 d = cl.entitydatabaseqw;
2666 // there is no cls.netcon in demos, so this reading code can't access
2667 // cls.netcon-> at all... so cls.qw_incoming_sequence and
2668 // cls.qw_outgoing_sequence are updated every time the corresponding
2669 // cls.netcon->qw. variables are updated
2670 // read the number of this frame to echo back in next input packet
2671 cl.qw_validsequence = cls.qw_incoming_sequence;
2672 newsnapindex = cl.qw_validsequence & QW_UPDATE_MASK;
2673 newsnap = d->snapshot + newsnapindex;
2674 memset(newsnap, 0, sizeof(*newsnap));
2679 number = MSG_ReadByte();
2680 oldsnapindex = cl.qw_deltasequence[newsnapindex];
2681 if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
2682 Con_DPrintf("WARNING: from mismatch\n");
2683 if (oldsnapindex != -1)
2685 if (cls.qw_outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
2687 Con_DPrintf("delta update too old\n");
2688 newsnap->invalid = invalid = true; // too old
2691 oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
2697 // if we can't decode this frame properly, report that to the server
2699 cl.qw_validsequence = 0;
2701 // read entity numbers until we find a 0x0000
2702 // (which would be an empty update on world entity, but is actually a terminator)
2703 newsnap->num_entities = 0;
2707 int word = (unsigned short)MSG_ReadShort();
2709 return; // just return, the main parser will print an error
2710 newnum = word == 0 ? 512 : (word & 511);
2711 oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
2713 // copy unmodified oldsnap entities
2714 while (newnum > oldnum) // delta only
2716 if (developer_networkentities.integer >= 2)
2717 Con_Printf("copy %i\n", oldnum);
2718 // copy one of the old entities
2719 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2720 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2721 newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
2722 newsnap->num_entities++;
2723 oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
2729 if (developer_networkentities.integer >= 2)
2731 if (word & QW_U_REMOVE)
2732 Con_Printf("remove %i\n", newnum);
2733 else if (newnum == oldnum)
2734 Con_Printf("delta %i\n", newnum);
2736 Con_Printf("baseline %i\n", newnum);
2739 if (word & QW_U_REMOVE)
2741 if (newnum != oldnum && !delta && !invalid)
2743 cl.qw_validsequence = 0;
2744 Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
2749 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
2750 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
2751 newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl.entities[newnum].state_baseline;
2752 EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
2753 newsnap->num_entities++;
2756 if (newnum == oldnum)
2760 // expand cl.num_entities to include every entity we've seen this game
2761 newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
2762 if (cl.num_entities <= newnum)
2764 cl.num_entities = newnum + 1;
2765 if (cl.max_entities < newnum + 1)
2766 CL_ExpandEntities(newnum);
2769 // now update the non-player entities from the snapshot states
2770 number = cl.maxclients + 1;
2771 for (newindex = 0;;newindex++)
2773 newnum = newindex >= newsnap->num_entities ? cl.num_entities : newsnap->entities[newindex].number;
2774 // kill any missing entities
2775 for (;number < newnum;number++)
2777 if (cl.entities_active[number])
2779 cl.entities_active[number] = false;
2780 cl.entities[number].state_current.active = false;
2783 if (number >= cl.num_entities)
2785 // update the entity
2786 ent = &cl.entities[number];
2787 ent->state_previous = ent->state_current;
2788 ent->state_current = newsnap->entities[newindex];
2789 ent->state_current.time = cl.mtime[0];
2790 CL_MoveLerpEntityStates(ent);
2791 // the entity lives again...
2792 cl.entities_active[number] = true;