1 #include "quakedef.h"
2
3 #define ENTITYSIZEPROFILING_START(msg, num, flags) \
4 int entityprofiling_startsize = msg->cursize
5
6 #define ENTITYSIZEPROFILING_END(msg, num, flags) \
7 if(developer_networkentities.integer >= 2) \
8 { \
9 prvm_edict_t *edict = prog->edicts + num; \
10 Con_Printf("sent entity update of size %u for %d classname %s flags %d\n", (msg->cursize - entityprofiling_startsize), num, PRVM_serveredictstring(edict, classname) ? PRVM_GetString(prog, PRVM_serveredictstring(edict, classname)) : "(no classname)", flags); \
11 }
12
13 // CSQC entity scope values. Bitflags!
14 #define SCOPE_WANTREMOVE 1 // Set if a remove has been scheduled. Never set together with WANTUPDATE.
15 #define SCOPE_WANTUPDATE 2 // Set if an update has been scheduled.
16 #define SCOPE_WANTSEND (SCOPE_WANTREMOVE | SCOPE_WANTUPDATE)
17 #define SCOPE_EXISTED_ONCE 4 // Set if the entity once existed. All these get resent on a full loss.
18 #define SCOPE_ASSUMED_EXISTING 8 // Set if the entity is currently assumed existing and therefore needs removes.
19
20 // this is 88 bytes (must match entity_state_t in protocol.h)
21 entity_state_t defaultstate =
22 {
23 // ! means this is not sent to client
24 0,//double time; // ! time this state was built (used on client for interpolation)
25 {0,0,0},//float netcenter[3]; // ! for network prioritization, this is the center of the bounding box (which may differ from the origin)
26 {0,0,0},//float origin[3];
27 {0,0,0},//float angles[3];
28 0,//int effects;
29 0,//unsigned int customizeentityforclient; // !
30 0,//unsigned short number; // entity number this state is for
31 0,//unsigned short modelindex;
32 0,//unsigned short frame;
33 0,//unsigned short tagentity;
34 0,//unsigned short specialvisibilityradius; // ! larger if it has effects/light
35 0,//unsigned short viewmodelforclient; // !
36 0,//unsigned short exteriormodelforclient; // ! not shown if first person viewing from this entity, shown in all other cases
37 0,//unsigned short nodrawtoclient; // !
38 0,//unsigned short drawonlytoclient; // !
39 0,//unsigned short traileffectnum;
40 {0,0,0,0},//unsigned short light[4]; // color*256 (0.00 to 255.996), and radius*1
41 ACTIVE_NOT,//unsigned char active; // true if a valid state
42 0,//unsigned char lightstyle;
43 0,//unsigned char lightpflags;
44 0,//unsigned char colormap;
45 0,//unsigned char skin; // also chooses cubemap for rtlights if lightpflags & LIGHTPFLAGS_FULLDYNAMIC
46 255,//unsigned char alpha;
47 16,//unsigned char scale;
48 0,//unsigned char glowsize;
49 254,//unsigned char glowcolor;
50 0,//unsigned char flags;
51 0,//unsigned char internaleffects; // INTEF_FLAG1QW and so on
52 0,//unsigned char tagindex;
53 {32, 32, 32},//unsigned char colormod[3];
54 {32, 32, 32},//unsigned char glowmod[3];
55 };
56
57 // LordHavoc: I own protocol ranges 96, 97, 3500-3599
58
59 struct protocolversioninfo_s
60 {
61 int number;
62 protocolversion_t version;
63 const char *name;
64 }
65 protocolversioninfo[] =
66 {
67 { 3504, PROTOCOL_DARKPLACES7 , "DP7"},
68 { 3503, PROTOCOL_DARKPLACES6 , "DP6"},
69 { 3502, PROTOCOL_DARKPLACES5 , "DP5"},
70 { 3501, PROTOCOL_DARKPLACES4 , "DP4"},
71 { 3500, PROTOCOL_DARKPLACES3 , "DP3"},
72 { 97, PROTOCOL_DARKPLACES2 , "DP2"},
73 { 96, PROTOCOL_DARKPLACES1 , "DP1"},
74 { 15, PROTOCOL_QUAKEDP , "QUAKEDP"},
75 { 15, PROTOCOL_QUAKE , "QUAKE"},
76 { 28, PROTOCOL_QUAKEWORLD , "QW"},
77 { 250, PROTOCOL_NEHAHRAMOVIE, "NEHAHRAMOVIE"},
78 {10000, PROTOCOL_NEHAHRABJP , "NEHAHRABJP"},
79 {10001, PROTOCOL_NEHAHRABJP2 , "NEHAHRABJP2"},
80 {10002, PROTOCOL_NEHAHRABJP3 , "NEHAHRABJP3"},
81 { 0, PROTOCOL_UNKNOWN , NULL}
82 };
83
Protocol_EnumForName(const char * s)84 protocolversion_t Protocol_EnumForName(const char *s)
85 {
86 int i;
87 for (i = 0;protocolversioninfo[i].name;i++)
88 if (!strcasecmp(s, protocolversioninfo[i].name))
89 return protocolversioninfo[i].version;
90 return PROTOCOL_UNKNOWN;
91 }
92
Protocol_NameForEnum(protocolversion_t p)93 const char *Protocol_NameForEnum(protocolversion_t p)
94 {
95 int i;
96 for (i = 0;protocolversioninfo[i].name;i++)
97 if (protocolversioninfo[i].version == p)
98 return protocolversioninfo[i].name;
99 return "UNKNOWN";
100 }
101
Protocol_EnumForNumber(int n)102 protocolversion_t Protocol_EnumForNumber(int n)
103 {
104 int i;
105 for (i = 0;protocolversioninfo[i].name;i++)
106 if (protocolversioninfo[i].number == n)
107 return protocolversioninfo[i].version;
108 return PROTOCOL_UNKNOWN;
109 }
110
Protocol_NumberForEnum(protocolversion_t p)111 int Protocol_NumberForEnum(protocolversion_t p)
112 {
113 int i;
114 for (i = 0;protocolversioninfo[i].name;i++)
115 if (protocolversioninfo[i].version == p)
116 return protocolversioninfo[i].number;
117 return 0;
118 }
119
Protocol_Names(char * buffer,size_t buffersize)120 void Protocol_Names(char *buffer, size_t buffersize)
121 {
122 int i;
123 if (buffersize < 1)
124 return;
125 buffer[0] = 0;
126 for (i = 0;protocolversioninfo[i].name;i++)
127 {
128 if (i > 1)
129 strlcat(buffer, " ", buffersize);
130 strlcat(buffer, protocolversioninfo[i].name, buffersize);
131 }
132 }
133
EntityFrameQuake_ReadEntity(int bits)134 void EntityFrameQuake_ReadEntity(int bits)
135 {
136 int num;
137 entity_t *ent;
138 entity_state_t s;
139
140 if (bits & U_MOREBITS)
141 bits |= (MSG_ReadByte(&cl_message)<<8);
142 if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
143 {
144 bits |= MSG_ReadByte(&cl_message) << 16;
145 if (bits & U_EXTEND2)
146 bits |= MSG_ReadByte(&cl_message) << 24;
147 }
148
149 if (bits & U_LONGENTITY)
150 num = (unsigned short) MSG_ReadShort(&cl_message);
151 else
152 num = MSG_ReadByte(&cl_message);
153
154 if (num >= MAX_EDICTS)
155 Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS);
156 if (num < 1)
157 Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num);
158
159 if (cl.num_entities <= num)
160 {
161 cl.num_entities = num + 1;
162 if (num >= cl.max_entities)
163 CL_ExpandEntities(num);
164 }
165
166 ent = cl.entities + num;
167
168 // note: this inherits the 'active' state of the baseline chosen
169 // (state_baseline is always active, state_current may not be active if
170 // the entity was missing in the last frame)
171 if (bits & U_DELTA)
172 s = ent->state_current;
173 else
174 {
175 s = ent->state_baseline;
176 s.active = ACTIVE_NETWORK;
177 }
178
179 cl.isquakeentity[num] = true;
180 if (cl.lastquakeentity < num)
181 cl.lastquakeentity = num;
182 s.number = num;
183 s.time = cl.mtime[0];
184 s.flags = 0;
185 if (bits & U_MODEL)
186 {
187 if (cls.protocol == PROTOCOL_NEHAHRABJP || cls.protocol == PROTOCOL_NEHAHRABJP2 || cls.protocol == PROTOCOL_NEHAHRABJP3)
188 s.modelindex = (unsigned short) MSG_ReadShort(&cl_message);
189 else
190 s.modelindex = (s.modelindex & 0xFF00) | MSG_ReadByte(&cl_message);
191 }
192 if (bits & U_FRAME) s.frame = (s.frame & 0xFF00) | MSG_ReadByte(&cl_message);
193 if (bits & U_COLORMAP) s.colormap = MSG_ReadByte(&cl_message);
194 if (bits & U_SKIN) s.skin = MSG_ReadByte(&cl_message);
195 if (bits & U_EFFECTS) s.effects = (s.effects & 0xFF00) | MSG_ReadByte(&cl_message);
196 if (bits & U_ORIGIN1) s.origin[0] = MSG_ReadCoord(&cl_message, cls.protocol);
197 if (bits & U_ANGLE1) s.angles[0] = MSG_ReadAngle(&cl_message, cls.protocol);
198 if (bits & U_ORIGIN2) s.origin[1] = MSG_ReadCoord(&cl_message, cls.protocol);
199 if (bits & U_ANGLE2) s.angles[1] = MSG_ReadAngle(&cl_message, cls.protocol);
200 if (bits & U_ORIGIN3) s.origin[2] = MSG_ReadCoord(&cl_message, cls.protocol);
201 if (bits & U_ANGLE3) s.angles[2] = MSG_ReadAngle(&cl_message, cls.protocol);
202 if (bits & U_STEP) s.flags |= RENDER_STEP;
203 if (bits & U_ALPHA) s.alpha = MSG_ReadByte(&cl_message);
204 if (bits & U_SCALE) s.scale = MSG_ReadByte(&cl_message);
205 if (bits & U_EFFECTS2) s.effects = (s.effects & 0x00FF) | (MSG_ReadByte(&cl_message) << 8);
206 if (bits & U_GLOWSIZE) s.glowsize = MSG_ReadByte(&cl_message);
207 if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte(&cl_message);
208 if (bits & U_COLORMOD) {int c = MSG_ReadByte(&cl_message);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));}
209 if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
210 if (bits & U_FRAME2) s.frame = (s.frame & 0x00FF) | (MSG_ReadByte(&cl_message) << 8);
211 if (bits & U_MODEL2) s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte(&cl_message) << 8);
212 if (bits & U_VIEWMODEL) s.flags |= RENDER_VIEWMODEL;
213 if (bits & U_EXTERIORMODEL) s.flags |= RENDER_EXTERIORMODEL;
214
215 // LordHavoc: to allow playback of the Nehahra movie
216 if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
217 {
218 // LordHavoc: evil format
219 int i = (int)MSG_ReadFloat(&cl_message);
220 int j = (int)(MSG_ReadFloat(&cl_message) * 255.0f);
221 if (i == 2)
222 {
223 i = (int)MSG_ReadFloat(&cl_message);
224 if (i)
225 s.effects |= EF_FULLBRIGHT;
226 }
227 if (j < 0)
228 s.alpha = 0;
229 else if (j == 0 || j >= 255)
230 s.alpha = 255;
231 else
232 s.alpha = j;
233 }
234
235 ent->state_previous = ent->state_current;
236 ent->state_current = s;
237 if (ent->state_current.active == ACTIVE_NETWORK)
238 {
239 CL_MoveLerpEntityStates(ent);
240 cl.entities_active[ent->state_current.number] = true;
241 }
242
243 if (cl_message.badread)
244 Host_Error("EntityFrameQuake_ReadEntity: read error");
245 }
246
EntityFrameQuake_ISeeDeadEntities(void)247 void EntityFrameQuake_ISeeDeadEntities(void)
248 {
249 int num, lastentity;
250 if (cl.lastquakeentity == 0)
251 return;
252 lastentity = cl.lastquakeentity;
253 cl.lastquakeentity = 0;
254 for (num = 0;num <= lastentity;num++)
255 {
256 if (cl.isquakeentity[num])
257 {
258 if (cl.entities_active[num] && cl.entities[num].state_current.time == cl.mtime[0])
259 {
260 cl.isquakeentity[num] = true;
261 cl.lastquakeentity = num;
262 }
263 else
264 {
265 cl.isquakeentity[num] = false;
266 cl.entities_active[num] = ACTIVE_NOT;
267 cl.entities[num].state_current = defaultstate;
268 cl.entities[num].state_current.number = num;
269 }
270 }
271 }
272 }
273
274 // NOTE: this only works with DP5 protocol and upwards. For lower protocols
275 // (including QUAKE), no packet loss handling for CSQC is done, which makes
276 // CSQC basically useless.
277 // Always use the DP5 protocol, or a higher one, when using CSQC entities.
EntityFrameCSQC_LostAllFrames(client_t * client)278 static void EntityFrameCSQC_LostAllFrames(client_t *client)
279 {
280 prvm_prog_t *prog = SVVM_prog;
281 // mark ALL csqc entities as requiring a FULL resend!
282 // I know this is a bad workaround, but better than nothing.
283 int i, n;
284 prvm_edict_t *ed;
285
286 n = client->csqcnumedicts;
287 for(i = 0; i < n; ++i)
288 {
289 if(client->csqcentityscope[i] & SCOPE_EXISTED_ONCE)
290 {
291 ed = prog->edicts + i;
292 client->csqcentitysendflags[i] |= 0xFFFFFF; // FULL RESEND. We can't clear SCOPE_ASSUMED_EXISTING yet as this would cancel removes on a rejected send attempt.
293 if (!PRVM_serveredictfunction(ed, SendEntity)) // If it was ever sent to that client as a CSQC entity...
294 client->csqcentityscope[i] |= SCOPE_ASSUMED_EXISTING; // FORCE REMOVE.
295 }
296 }
297 }
EntityFrameCSQC_LostFrame(client_t * client,int framenum)298 void EntityFrameCSQC_LostFrame(client_t *client, int framenum)
299 {
300 // marks a frame as lost
301 int i, j;
302 qboolean valid;
303 int ringfirst, ringlast;
304 static int recoversendflags[MAX_EDICTS]; // client only
305 csqcentityframedb_t *d;
306
307 if(client->csqcentityframe_lastreset < 0)
308 return;
309 if(framenum < client->csqcentityframe_lastreset)
310 return; // no action required, as we resent that data anyway
311
312 // is our frame out of history?
313 ringfirst = client->csqcentityframehistory_next; // oldest entry
314 ringlast = (ringfirst + NUM_CSQCENTITYDB_FRAMES - 1) % NUM_CSQCENTITYDB_FRAMES; // most recently added entry
315
316 valid = false;
317
318 for(j = 0; j < NUM_CSQCENTITYDB_FRAMES; ++j)
319 {
320 d = &client->csqcentityframehistory[(ringfirst + j) % NUM_CSQCENTITYDB_FRAMES];
321 if(d->framenum < 0)
322 continue;
323 if(d->framenum == framenum)
324 break;
325 else if(d->framenum < framenum)
326 valid = true;
327 }
328 if(j == NUM_CSQCENTITYDB_FRAMES)
329 {
330 if(valid) // got beaten, i.e. there is a frame < framenum
331 {
332 // a non-csqc frame got lost... great
333 return;
334 }
335 else
336 {
337 // a too old frame got lost... sorry, cannot handle this
338 Con_DPrintf("CSQC entity DB: lost a frame too early to do any handling (resending ALL)...\n");
339 Con_DPrintf("Lost frame = %d\n", framenum);
340 Con_DPrintf("Entity DB = %d to %d\n", client->csqcentityframehistory[ringfirst].framenum, client->csqcentityframehistory[ringlast].framenum);
341 EntityFrameCSQC_LostAllFrames(client);
342 client->csqcentityframe_lastreset = -1;
343 }
344 return;
345 }
346
347 // so j is the frame that got lost
348 // ringlast is the frame that we have to go to
349 ringfirst = (ringfirst + j) % NUM_CSQCENTITYDB_FRAMES;
350 if(ringlast < ringfirst)
351 ringlast += NUM_CSQCENTITYDB_FRAMES;
352
353 memset(recoversendflags, 0, sizeof(recoversendflags));
354
355 for(j = ringfirst; j <= ringlast; ++j)
356 {
357 d = &client->csqcentityframehistory[j % NUM_CSQCENTITYDB_FRAMES];
358 if(d->framenum < 0)
359 {
360 // deleted frame
361 }
362 else if(d->framenum < framenum)
363 {
364 // a frame in the past... should never happen
365 Con_Printf("CSQC entity DB encountered a frame from the past when recovering from PL...?\n");
366 }
367 else if(d->framenum == framenum)
368 {
369 // handling the actually lost frame now
370 for(i = 0; i < d->num; ++i)
371 {
372 int sf = d->sendflags[i];
373 int ent = d->entno[i];
374 if(sf < 0) // remove
375 recoversendflags[ent] |= -1; // all bits, including sign
376 else if(sf > 0)
377 recoversendflags[ent] |= sf;
378 }
379 }
380 else
381 {
382 // handling the frames that followed it now
383 for(i = 0; i < d->num; ++i)
384 {
385 int sf = d->sendflags[i];
386 int ent = d->entno[i];
387 if(sf < 0) // remove
388 {
389 recoversendflags[ent] = 0; // no need to update, we got a more recent remove (and will fix it THEN)
390 break; // no flags left to remove...
391 }
392 else if(sf > 0)
393 recoversendflags[ent] &= ~sf; // no need to update these bits, we already got them later
394 }
395 }
396 }
397
398 for(i = 0; i < client->csqcnumedicts; ++i)
399 {
400 if(recoversendflags[i] < 0)
401 client->csqcentityscope[i] |= SCOPE_ASSUMED_EXISTING; // FORCE REMOVE.
402 else
403 client->csqcentitysendflags[i] |= recoversendflags[i];
404 }
405 }
EntityFrameCSQC_AllocFrame(client_t * client,int framenum)406 static int EntityFrameCSQC_AllocFrame(client_t *client, int framenum)
407 {
408 int ringfirst = client->csqcentityframehistory_next; // oldest entry
409 client->csqcentityframehistory_next += 1;
410 client->csqcentityframehistory_next %= NUM_CSQCENTITYDB_FRAMES;
411 client->csqcentityframehistory[ringfirst].framenum = framenum;
412 client->csqcentityframehistory[ringfirst].num = 0;
413 return ringfirst;
414 }
EntityFrameCSQC_DeallocFrame(client_t * client,int framenum)415 static void EntityFrameCSQC_DeallocFrame(client_t *client, int framenum)
416 {
417 int ringfirst = client->csqcentityframehistory_next; // oldest entry
418 int ringlast = (ringfirst + NUM_CSQCENTITYDB_FRAMES - 1) % NUM_CSQCENTITYDB_FRAMES; // most recently added entry
419 if(framenum == client->csqcentityframehistory[ringlast].framenum)
420 {
421 client->csqcentityframehistory[ringlast].framenum = -1;
422 client->csqcentityframehistory[ringlast].num = 0;
423 client->csqcentityframehistory_next = ringlast;
424 }
425 else
426 Con_Printf("Trying to dealloc the wrong entity frame\n");
427 }
428
429 //[515]: we use only one array per-client for SendEntity feature
430 // TODO: add some handling for entity send priorities, to better deal with huge
431 // amounts of csqc networked entities
EntityFrameCSQC_WriteFrame(sizebuf_t * msg,int maxsize,int numnumbers,const unsigned short * numbers,int framenum)432 qboolean EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numnumbers, const unsigned short *numbers, int framenum)
433 {
434 prvm_prog_t *prog = SVVM_prog;
435 int num, number, end, sendflags;
436 qboolean sectionstarted = false;
437 const unsigned short *n;
438 prvm_edict_t *ed;
439 client_t *client = svs.clients + sv.writeentitiestoclient_clientnumber;
440 int dbframe = EntityFrameCSQC_AllocFrame(client, framenum);
441 csqcentityframedb_t *db = &client->csqcentityframehistory[dbframe];
442
443 if(client->csqcentityframe_lastreset < 0)
444 client->csqcentityframe_lastreset = framenum;
445
446 maxsize -= 24; // always fit in an empty svc_entities message (for packet loss detection!)
447
448 // make sure there is enough room to store the svc_csqcentities byte,
449 // the terminator (0x0000) and at least one entity update
450 if (msg->cursize + 32 >= maxsize)
451 return false;
452
453 if (client->csqcnumedicts < prog->num_edicts)
454 client->csqcnumedicts = prog->num_edicts;
455
456 number = 1;
457 for (num = 0, n = numbers;num < numnumbers;num++, n++)
458 {
459 end = *n;
460 for (;number < end;number++)
461 {
462 client->csqcentityscope[number] &= ~SCOPE_WANTSEND;
463 if (client->csqcentityscope[number] & SCOPE_ASSUMED_EXISTING)
464 client->csqcentityscope[number] |= SCOPE_WANTREMOVE;
465 client->csqcentitysendflags[number] = 0xFFFFFF;
466 }
467 ed = prog->edicts + number;
468 client->csqcentityscope[number] &= ~SCOPE_WANTSEND;
469 if (PRVM_serveredictfunction(ed, SendEntity))
470 client->csqcentityscope[number] |= SCOPE_WANTUPDATE;
471 else
472 {
473 if (client->csqcentityscope[number] & SCOPE_ASSUMED_EXISTING)
474 client->csqcentityscope[number] |= SCOPE_WANTREMOVE;
475 client->csqcentitysendflags[number] = 0xFFFFFF;
476 }
477 number++;
478 }
479 end = client->csqcnumedicts;
480 for (;number < end;number++)
481 {
482 client->csqcentityscope[number] &= ~SCOPE_WANTSEND;
483 if (client->csqcentityscope[number] & SCOPE_ASSUMED_EXISTING)
484 client->csqcentityscope[number] |= SCOPE_WANTREMOVE;
485 client->csqcentitysendflags[number] = 0xFFFFFF;
486 }
487
488 // now try to emit the entity updates
489 // (FIXME: prioritize by distance?)
490 end = client->csqcnumedicts;
491 for (number = 1;number < end;number++)
492 {
493 if (!(client->csqcentityscope[number] & SCOPE_WANTSEND))
494 continue;
495 if(db->num >= NUM_CSQCENTITIES_PER_FRAME)
496 break;
497 ed = prog->edicts + number;
498 if (client->csqcentityscope[number] & SCOPE_WANTREMOVE) // Also implies ASSUMED_EXISTING.
499 {
500 // A removal. SendFlags have no power here.
501 // write a remove message
502 // first write the message identifier if needed
503 if(!sectionstarted)
504 {
505 sectionstarted = 1;
506 MSG_WriteByte(msg, svc_csqcentities);
507 }
508 // write the remove message
509 {
510 ENTITYSIZEPROFILING_START(msg, number, 0);
511 MSG_WriteShort(msg, (unsigned short)number | 0x8000);
512 client->csqcentityscope[number] &= ~(SCOPE_WANTSEND | SCOPE_ASSUMED_EXISTING);
513 client->csqcentitysendflags[number] = 0xFFFFFF; // resend completely if it becomes active again
514 db->entno[db->num] = number;
515 db->sendflags[db->num] = -1;
516 db->num += 1;
517 ENTITYSIZEPROFILING_END(msg, number, 0);
518 }
519 if (msg->cursize + 17 >= maxsize)
520 break;
521 }
522 else
523 {
524 // save the cursize value in case we overflow and have to rollback
525 int oldcursize = msg->cursize;
526
527 // An update.
528 sendflags = client->csqcentitysendflags[number];
529 // Nothing to send? FINE.
530 if (!sendflags)
531 continue;
532 // If it's a new entity, always assume sendflags 0xFFFFFF.
533 if (!(client->csqcentityscope[number] & SCOPE_ASSUMED_EXISTING))
534 sendflags = 0xFFFFFF;
535
536 // write an update
537 if (PRVM_serveredictfunction(ed, SendEntity))
538 {
539 if(!sectionstarted)
540 MSG_WriteByte(msg, svc_csqcentities);
541 {
542 int oldcursize2 = msg->cursize;
543 ENTITYSIZEPROFILING_START(msg, number, sendflags);
544 MSG_WriteShort(msg, number);
545 msg->allowoverflow = true;
546 PRVM_G_INT(OFS_PARM0) = sv.writeentitiestoclient_cliententitynumber;
547 PRVM_G_FLOAT(OFS_PARM1) = sendflags;
548 PRVM_serverglobaledict(self) = number;
549 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, SendEntity), "Null SendEntity\n");
550 msg->allowoverflow = false;
551 if(!PRVM_G_FLOAT(OFS_RETURN))
552 {
553 // Send rejected by CSQC. This means we want to remove it.
554 // CSQC requests we remove this one.
555 if (client->csqcentityscope[number] & SCOPE_ASSUMED_EXISTING)
556 {
557 msg->cursize = oldcursize2;
558 msg->overflowed = false;
559 MSG_WriteShort(msg, (unsigned short)number | 0x8000);
560 client->csqcentityscope[number] &= ~(SCOPE_WANTSEND | SCOPE_ASSUMED_EXISTING);
561 client->csqcentitysendflags[number] = 0;
562 db->entno[db->num] = number;
563 db->sendflags[db->num] = -1;
564 db->num += 1;
565 // and take note that we have begun the svc_csqcentities
566 // section of the packet
567 sectionstarted = 1;
568 ENTITYSIZEPROFILING_END(msg, number, 0);
569 if (msg->cursize + 17 >= maxsize)
570 break;
571 }
572 else
573 {
574 // Nothing to do. Just don't do it again.
575 msg->cursize = oldcursize;
576 msg->overflowed = false;
577 client->csqcentityscope[number] &= ~SCOPE_WANTSEND;
578 client->csqcentitysendflags[number] = 0;
579 }
580 continue;
581 }
582 else if(PRVM_G_FLOAT(OFS_RETURN) && msg->cursize + 2 <= maxsize)
583 {
584 // an update has been successfully written
585 client->csqcentitysendflags[number] = 0;
586 db->entno[db->num] = number;
587 db->sendflags[db->num] = sendflags;
588 db->num += 1;
589 client->csqcentityscope[number] &= ~SCOPE_WANTSEND;
590 client->csqcentityscope[number] |= SCOPE_EXISTED_ONCE | SCOPE_ASSUMED_EXISTING;
591 // and take note that we have begun the svc_csqcentities
592 // section of the packet
593 sectionstarted = 1;
594 ENTITYSIZEPROFILING_END(msg, number, sendflags);
595 if (msg->cursize + 17 >= maxsize)
596 break;
597 continue;
598 }
599 }
600 }
601 // self.SendEntity returned false (or does not exist) or the
602 // update was too big for this packet - rollback the buffer to its
603 // state before the writes occurred, we'll try again next frame
604 msg->cursize = oldcursize;
605 msg->overflowed = false;
606 }
607 }
608 if (sectionstarted)
609 {
610 // write index 0 to end the update (0 is never used by real entities)
611 MSG_WriteShort(msg, 0);
612 }
613
614 if(db->num == 0)
615 // if no single ent got added, remove the frame from the DB again, to allow
616 // for a larger history
617 EntityFrameCSQC_DeallocFrame(client, framenum);
618
619 return sectionstarted;
620 }
621
Protocol_UpdateClientStats(const int * stats)622 void Protocol_UpdateClientStats(const int *stats)
623 {
624 int i;
625 // update the stats array and set deltabits for any changed stats
626 for (i = 0;i < MAX_CL_STATS;i++)
627 {
628 if (host_client->stats[i] != stats[i])
629 {
630 host_client->statsdeltabits[i >> 3] |= 1 << (i & 7);
631 host_client->stats[i] = stats[i];
632 }
633 }
634 }
635
636 // only a few stats are within the 32 stat limit of Quake, and most of them
637 // are sent every frame in svc_clientdata messages, so we only send the
638 // remaining ones here
639 static const int sendquakestats[] =
640 {
641 // quake did not send these secrets/monsters stats in this way, but doing so
642 // allows a mod to increase STAT_TOTALMONSTERS during the game, and ensures
643 // that STAT_SECRETS and STAT_MONSTERS are always correct (even if a client
644 // didn't receive an svc_foundsecret or svc_killedmonster), which may be most
645 // valuable if randomly seeking around in a demo
646 STAT_TOTALSECRETS, // never changes during game
647 STAT_TOTALMONSTERS, // changes in some mods
648 STAT_SECRETS, // this makes svc_foundsecret unnecessary
649 STAT_MONSTERS, // this makes svc_killedmonster unnecessary
650 STAT_VIEWHEIGHT, // sent just for FTEQW clients
651 STAT_VIEWZOOM, // this rarely changes
652 -1,
653 };
654
Protocol_WriteStatsReliable(void)655 void Protocol_WriteStatsReliable(void)
656 {
657 int i, j;
658 if (!host_client->netconnection)
659 return;
660 // detect changes in stats and write reliable messages
661 // this only deals with 32 stats because the older protocols which use
662 // this function can only cope with 32 stats,
663 // they also do not support svc_updatestatubyte which was introduced in
664 // DP6 protocol (except for QW)
665 for (j = 0;sendquakestats[j] >= 0;j++)
666 {
667 i = sendquakestats[j];
668 // check if this bit is set
669 if (host_client->statsdeltabits[i >> 3] & (1 << (i & 7)))
670 {
671 host_client->statsdeltabits[i >> 3] -= (1 << (i & 7));
672 // send the stat as a byte if possible
673 if (sv.protocol == PROTOCOL_QUAKEWORLD)
674 {
675 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
676 {
677 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestat);
678 MSG_WriteByte(&host_client->netconnection->message, i);
679 MSG_WriteByte(&host_client->netconnection->message, host_client->stats[i]);
680 }
681 else
682 {
683 MSG_WriteByte(&host_client->netconnection->message, qw_svc_updatestatlong);
684 MSG_WriteByte(&host_client->netconnection->message, i);
685 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
686 }
687 }
688 else
689 {
690 // this could make use of svc_updatestatubyte in DP6 and later
691 // protocols but those protocols do not use this function
692 MSG_WriteByte(&host_client->netconnection->message, svc_updatestat);
693 MSG_WriteByte(&host_client->netconnection->message, i);
694 MSG_WriteLong(&host_client->netconnection->message, host_client->stats[i]);
695 }
696 }
697 }
698 }
699
700
EntityFrameQuake_WriteFrame(sizebuf_t * msg,int maxsize,int numstates,const entity_state_t ** states)701 qboolean EntityFrameQuake_WriteFrame(sizebuf_t *msg, int maxsize, int numstates, const entity_state_t **states)
702 {
703 prvm_prog_t *prog = SVVM_prog;
704 const entity_state_t *s;
705 entity_state_t baseline;
706 int i, bits;
707 sizebuf_t buf;
708 unsigned char data[128];
709 qboolean success = false;
710
711 // prepare the buffer
712 memset(&buf, 0, sizeof(buf));
713 buf.data = data;
714 buf.maxsize = sizeof(data);
715
716 for (i = 0;i < numstates;i++)
717 {
718 s = states[i];
719 if(PRVM_serveredictfunction((&prog->edicts[s->number]), SendEntity))
720 continue;
721
722 // prepare the buffer
723 SZ_Clear(&buf);
724
725 // send an update
726 bits = 0;
727 if (s->number >= 256)
728 bits |= U_LONGENTITY;
729 if (s->flags & RENDER_STEP)
730 bits |= U_STEP;
731 if (s->flags & RENDER_VIEWMODEL)
732 bits |= U_VIEWMODEL;
733 if (s->flags & RENDER_GLOWTRAIL)
734 bits |= U_GLOWTRAIL;
735 if (s->flags & RENDER_EXTERIORMODEL)
736 bits |= U_EXTERIORMODEL;
737
738 // LordHavoc: old stuff, but rewritten to have more exact tolerances
739 baseline = prog->edicts[s->number].priv.server->baseline;
740 if (baseline.origin[0] != s->origin[0])
741 bits |= U_ORIGIN1;
742 if (baseline.origin[1] != s->origin[1])
743 bits |= U_ORIGIN2;
744 if (baseline.origin[2] != s->origin[2])
745 bits |= U_ORIGIN3;
746 if (baseline.angles[0] != s->angles[0])
747 bits |= U_ANGLE1;
748 if (baseline.angles[1] != s->angles[1])
749 bits |= U_ANGLE2;
750 if (baseline.angles[2] != s->angles[2])
751 bits |= U_ANGLE3;
752 if (baseline.colormap != s->colormap)
753 bits |= U_COLORMAP;
754 if (baseline.skin != s->skin)
755 bits |= U_SKIN;
756 if (baseline.frame != s->frame)
757 {
758 bits |= U_FRAME;
759 if (s->frame & 0xFF00)
760 bits |= U_FRAME2;
761 }
762 if (baseline.effects != s->effects)
763 {
764 bits |= U_EFFECTS;
765 if (s->effects & 0xFF00)
766 bits |= U_EFFECTS2;
767 }
768 if (baseline.modelindex != s->modelindex)
769 {
770 bits |= U_MODEL;
771 if ((s->modelindex & 0xFF00) && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
772 bits |= U_MODEL2;
773 }
774 if (baseline.alpha != s->alpha)
775 bits |= U_ALPHA;
776 if (baseline.scale != s->scale)
777 bits |= U_SCALE;
778 if (baseline.glowsize != s->glowsize)
779 bits |= U_GLOWSIZE;
780 if (baseline.glowcolor != s->glowcolor)
781 bits |= U_GLOWCOLOR;
782 if (!VectorCompare(baseline.colormod, s->colormod))
783 bits |= U_COLORMOD;
784
785 // if extensions are disabled, clear the relevant update flags
786 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
787 bits &= 0x7FFF;
788 if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
789 if (s->alpha != 255 || s->effects & EF_FULLBRIGHT)
790 bits |= U_EXTEND1;
791
792 // write the message
793 if (bits >= 16777216)
794 bits |= U_EXTEND2;
795 if (bits >= 65536)
796 bits |= U_EXTEND1;
797 if (bits >= 256)
798 bits |= U_MOREBITS;
799 bits |= U_SIGNAL;
800
801 {
802 ENTITYSIZEPROFILING_START(msg, states[i]->number, bits);
803
804 MSG_WriteByte (&buf, bits);
805 if (bits & U_MOREBITS) MSG_WriteByte(&buf, bits>>8);
806 if (sv.protocol != PROTOCOL_NEHAHRAMOVIE)
807 {
808 if (bits & U_EXTEND1) MSG_WriteByte(&buf, bits>>16);
809 if (bits & U_EXTEND2) MSG_WriteByte(&buf, bits>>24);
810 }
811 if (bits & U_LONGENTITY) MSG_WriteShort(&buf, s->number);
812 else MSG_WriteByte(&buf, s->number);
813
814 if (bits & U_MODEL)
815 {
816 if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
817 MSG_WriteShort(&buf, s->modelindex);
818 else
819 MSG_WriteByte(&buf, s->modelindex);
820 }
821 if (bits & U_FRAME) MSG_WriteByte(&buf, s->frame);
822 if (bits & U_COLORMAP) MSG_WriteByte(&buf, s->colormap);
823 if (bits & U_SKIN) MSG_WriteByte(&buf, s->skin);
824 if (bits & U_EFFECTS) MSG_WriteByte(&buf, s->effects);
825 if (bits & U_ORIGIN1) MSG_WriteCoord(&buf, s->origin[0], sv.protocol);
826 if (bits & U_ANGLE1) MSG_WriteAngle(&buf, s->angles[0], sv.protocol);
827 if (bits & U_ORIGIN2) MSG_WriteCoord(&buf, s->origin[1], sv.protocol);
828 if (bits & U_ANGLE2) MSG_WriteAngle(&buf, s->angles[1], sv.protocol);
829 if (bits & U_ORIGIN3) MSG_WriteCoord(&buf, s->origin[2], sv.protocol);
830 if (bits & U_ANGLE3) MSG_WriteAngle(&buf, s->angles[2], sv.protocol);
831 if (bits & U_ALPHA) MSG_WriteByte(&buf, s->alpha);
832 if (bits & U_SCALE) MSG_WriteByte(&buf, s->scale);
833 if (bits & U_EFFECTS2) MSG_WriteByte(&buf, s->effects >> 8);
834 if (bits & U_GLOWSIZE) MSG_WriteByte(&buf, s->glowsize);
835 if (bits & U_GLOWCOLOR) MSG_WriteByte(&buf, s->glowcolor);
836 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);}
837 if (bits & U_FRAME2) MSG_WriteByte(&buf, s->frame >> 8);
838 if (bits & U_MODEL2) MSG_WriteByte(&buf, s->modelindex >> 8);
839
840 // the nasty protocol
841 if ((bits & U_EXTEND1) && sv.protocol == PROTOCOL_NEHAHRAMOVIE)
842 {
843 if (s->effects & EF_FULLBRIGHT)
844 {
845 MSG_WriteFloat(&buf, 2); // QSG protocol version
846 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
847 MSG_WriteFloat(&buf, 1); // fullbright
848 }
849 else
850 {
851 MSG_WriteFloat(&buf, 1); // QSG protocol version
852 MSG_WriteFloat(&buf, s->alpha <= 0 ? 0 : (s->alpha >= 255 ? 1 : s->alpha * (1.0f / 255.0f))); // alpha
853 }
854 }
855
856 // if the commit is full, we're done this frame
857 if (msg->cursize + buf.cursize > maxsize)
858 {
859 // next frame we will continue where we left off
860 break;
861 }
862 // write the message to the packet
863 SZ_Write(msg, buf.data, buf.cursize);
864 success = true;
865 ENTITYSIZEPROFILING_END(msg, s->number, bits);
866 }
867 }
868 return success;
869 }
870
EntityState_DeltaBits(const entity_state_t * o,const entity_state_t * n)871 int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
872 {
873 unsigned int bits;
874 // if o is not active, delta from default
875 if (o->active != ACTIVE_NETWORK)
876 o = &defaultstate;
877 bits = 0;
878 if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f))
879 bits |= E_ORIGIN1;
880 if (fabs(n->origin[1] - o->origin[1]) > (1.0f / 256.0f))
881 bits |= E_ORIGIN2;
882 if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f))
883 bits |= E_ORIGIN3;
884 if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f)))
885 bits |= E_ANGLE1;
886 if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f)))
887 bits |= E_ANGLE2;
888 if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f)))
889 bits |= E_ANGLE3;
890 if ((n->modelindex ^ o->modelindex) & 0x00FF)
891 bits |= E_MODEL1;
892 if ((n->modelindex ^ o->modelindex) & 0xFF00)
893 bits |= E_MODEL2;
894 if ((n->frame ^ o->frame) & 0x00FF)
895 bits |= E_FRAME1;
896 if ((n->frame ^ o->frame) & 0xFF00)
897 bits |= E_FRAME2;
898 if ((n->effects ^ o->effects) & 0x00FF)
899 bits |= E_EFFECTS1;
900 if ((n->effects ^ o->effects) & 0xFF00)
901 bits |= E_EFFECTS2;
902 if (n->colormap != o->colormap)
903 bits |= E_COLORMAP;
904 if (n->skin != o->skin)
905 bits |= E_SKIN;
906 if (n->alpha != o->alpha)
907 bits |= E_ALPHA;
908 if (n->scale != o->scale)
909 bits |= E_SCALE;
910 if (n->glowsize != o->glowsize)
911 bits |= E_GLOWSIZE;
912 if (n->glowcolor != o->glowcolor)
913 bits |= E_GLOWCOLOR;
914 if (n->flags != o->flags)
915 bits |= E_FLAGS;
916 if (n->tagindex != o->tagindex || n->tagentity != o->tagentity)
917 bits |= E_TAGATTACHMENT;
918 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])
919 bits |= E_LIGHT;
920 if (n->lightstyle != o->lightstyle)
921 bits |= E_LIGHTSTYLE;
922 if (n->lightpflags != o->lightpflags)
923 bits |= E_LIGHTPFLAGS;
924
925 if (bits)
926 {
927 if (bits & 0xFF000000)
928 bits |= 0x00800000;
929 if (bits & 0x00FF0000)
930 bits |= 0x00008000;
931 if (bits & 0x0000FF00)
932 bits |= 0x00000080;
933 }
934 return bits;
935 }
936
EntityState_WriteExtendBits(sizebuf_t * msg,unsigned int bits)937 void EntityState_WriteExtendBits(sizebuf_t *msg, unsigned int bits)
938 {
939 MSG_WriteByte(msg, bits & 0xFF);
940 if (bits & 0x00000080)
941 {
942 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
943 if (bits & 0x00008000)
944 {
945 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
946 if (bits & 0x00800000)
947 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
948 }
949 }
950 }
951
EntityState_WriteFields(const entity_state_t * ent,sizebuf_t * msg,unsigned int bits)952 void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned int bits)
953 {
954 if (sv.protocol == PROTOCOL_DARKPLACES2)
955 {
956 if (bits & E_ORIGIN1)
957 MSG_WriteCoord16i(msg, ent->origin[0]);
958 if (bits & E_ORIGIN2)
959 MSG_WriteCoord16i(msg, ent->origin[1]);
960 if (bits & E_ORIGIN3)
961 MSG_WriteCoord16i(msg, ent->origin[2]);
962 }
963 else
964 {
965 // LordHavoc: have to write flags first, as they can modify protocol
966 if (bits & E_FLAGS)
967 MSG_WriteByte(msg, ent->flags);
968 if (ent->flags & RENDER_LOWPRECISION)
969 {
970 if (bits & E_ORIGIN1)
971 MSG_WriteCoord16i(msg, ent->origin[0]);
972 if (bits & E_ORIGIN2)
973 MSG_WriteCoord16i(msg, ent->origin[1]);
974 if (bits & E_ORIGIN3)
975 MSG_WriteCoord16i(msg, ent->origin[2]);
976 }
977 else
978 {
979 if (bits & E_ORIGIN1)
980 MSG_WriteCoord32f(msg, ent->origin[0]);
981 if (bits & E_ORIGIN2)
982 MSG_WriteCoord32f(msg, ent->origin[1]);
983 if (bits & E_ORIGIN3)
984 MSG_WriteCoord32f(msg, ent->origin[2]);
985 }
986 }
987 if ((sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4) && (ent->flags & RENDER_LOWPRECISION))
988 {
989 if (bits & E_ANGLE1)
990 MSG_WriteAngle8i(msg, ent->angles[0]);
991 if (bits & E_ANGLE2)
992 MSG_WriteAngle8i(msg, ent->angles[1]);
993 if (bits & E_ANGLE3)
994 MSG_WriteAngle8i(msg, ent->angles[2]);
995 }
996 else
997 {
998 if (bits & E_ANGLE1)
999 MSG_WriteAngle16i(msg, ent->angles[0]);
1000 if (bits & E_ANGLE2)
1001 MSG_WriteAngle16i(msg, ent->angles[1]);
1002 if (bits & E_ANGLE3)
1003 MSG_WriteAngle16i(msg, ent->angles[2]);
1004 }
1005 if (bits & E_MODEL1)
1006 MSG_WriteByte(msg, ent->modelindex & 0xFF);
1007 if (bits & E_MODEL2)
1008 MSG_WriteByte(msg, (ent->modelindex >> 8) & 0xFF);
1009 if (bits & E_FRAME1)
1010 MSG_WriteByte(msg, ent->frame & 0xFF);
1011 if (bits & E_FRAME2)
1012 MSG_WriteByte(msg, (ent->frame >> 8) & 0xFF);
1013 if (bits & E_EFFECTS1)
1014 MSG_WriteByte(msg, ent->effects & 0xFF);
1015 if (bits & E_EFFECTS2)
1016 MSG_WriteByte(msg, (ent->effects >> 8) & 0xFF);
1017 if (bits & E_COLORMAP)
1018 MSG_WriteByte(msg, ent->colormap);
1019 if (bits & E_SKIN)
1020 MSG_WriteByte(msg, ent->skin);
1021 if (bits & E_ALPHA)
1022 MSG_WriteByte(msg, ent->alpha);
1023 if (bits & E_SCALE)
1024 MSG_WriteByte(msg, ent->scale);
1025 if (bits & E_GLOWSIZE)
1026 MSG_WriteByte(msg, ent->glowsize);
1027 if (bits & E_GLOWCOLOR)
1028 MSG_WriteByte(msg, ent->glowcolor);
1029 if (sv.protocol == PROTOCOL_DARKPLACES2)
1030 if (bits & E_FLAGS)
1031 MSG_WriteByte(msg, ent->flags);
1032 if (bits & E_TAGATTACHMENT)
1033 {
1034 MSG_WriteShort(msg, ent->tagentity);
1035 MSG_WriteByte(msg, ent->tagindex);
1036 }
1037 if (bits & E_LIGHT)
1038 {
1039 MSG_WriteShort(msg, ent->light[0]);
1040 MSG_WriteShort(msg, ent->light[1]);
1041 MSG_WriteShort(msg, ent->light[2]);
1042 MSG_WriteShort(msg, ent->light[3]);
1043 }
1044 if (bits & E_LIGHTSTYLE)
1045 MSG_WriteByte(msg, ent->lightstyle);
1046 if (bits & E_LIGHTPFLAGS)
1047 MSG_WriteByte(msg, ent->lightpflags);
1048 }
1049
EntityState_WriteUpdate(const entity_state_t * ent,sizebuf_t * msg,const entity_state_t * delta)1050 void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const entity_state_t *delta)
1051 {
1052 prvm_prog_t *prog = SVVM_prog;
1053 unsigned int bits;
1054 if (ent->active == ACTIVE_NETWORK)
1055 {
1056 // entity is active, check for changes from the delta
1057 if ((bits = EntityState_DeltaBits(delta, ent)))
1058 {
1059 // write the update number, bits, and fields
1060 ENTITYSIZEPROFILING_START(msg, ent->number, bits);
1061 MSG_WriteShort(msg, ent->number);
1062 EntityState_WriteExtendBits(msg, bits);
1063 EntityState_WriteFields(ent, msg, bits);
1064 ENTITYSIZEPROFILING_END(msg, ent->number, bits);
1065 }
1066 }
1067 else
1068 {
1069 // entity is inactive, check if the delta was active
1070 if (delta->active == ACTIVE_NETWORK)
1071 {
1072 // write the remove number
1073 ENTITYSIZEPROFILING_START(msg, ent->number, 0);
1074 MSG_WriteShort(msg, ent->number | 0x8000);
1075 ENTITYSIZEPROFILING_END(msg, ent->number, 0);
1076 }
1077 }
1078 }
1079
EntityState_ReadExtendBits(void)1080 int EntityState_ReadExtendBits(void)
1081 {
1082 unsigned int bits;
1083 bits = MSG_ReadByte(&cl_message);
1084 if (bits & 0x00000080)
1085 {
1086 bits |= MSG_ReadByte(&cl_message) << 8;
1087 if (bits & 0x00008000)
1088 {
1089 bits |= MSG_ReadByte(&cl_message) << 16;
1090 if (bits & 0x00800000)
1091 bits |= MSG_ReadByte(&cl_message) << 24;
1092 }
1093 }
1094 return bits;
1095 }
1096
EntityState_ReadFields(entity_state_t * e,unsigned int bits)1097 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
1098 {
1099 if (cls.protocol == PROTOCOL_DARKPLACES2)
1100 {
1101 if (bits & E_ORIGIN1)
1102 e->origin[0] = MSG_ReadCoord16i(&cl_message);
1103 if (bits & E_ORIGIN2)
1104 e->origin[1] = MSG_ReadCoord16i(&cl_message);
1105 if (bits & E_ORIGIN3)
1106 e->origin[2] = MSG_ReadCoord16i(&cl_message);
1107 }
1108 else
1109 {
1110 if (bits & E_FLAGS)
1111 e->flags = MSG_ReadByte(&cl_message);
1112 if (e->flags & RENDER_LOWPRECISION)
1113 {
1114 if (bits & E_ORIGIN1)
1115 e->origin[0] = MSG_ReadCoord16i(&cl_message);
1116 if (bits & E_ORIGIN2)
1117 e->origin[1] = MSG_ReadCoord16i(&cl_message);
1118 if (bits & E_ORIGIN3)
1119 e->origin[2] = MSG_ReadCoord16i(&cl_message);
1120 }
1121 else
1122 {
1123 if (bits & E_ORIGIN1)
1124 e->origin[0] = MSG_ReadCoord32f(&cl_message);
1125 if (bits & E_ORIGIN2)
1126 e->origin[1] = MSG_ReadCoord32f(&cl_message);
1127 if (bits & E_ORIGIN3)
1128 e->origin[2] = MSG_ReadCoord32f(&cl_message);
1129 }
1130 }
1131 if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
1132 {
1133 if (bits & E_ANGLE1)
1134 e->angles[0] = MSG_ReadAngle16i(&cl_message);
1135 if (bits & E_ANGLE2)
1136 e->angles[1] = MSG_ReadAngle16i(&cl_message);
1137 if (bits & E_ANGLE3)
1138 e->angles[2] = MSG_ReadAngle16i(&cl_message);
1139 }
1140 else
1141 {
1142 if (bits & E_ANGLE1)
1143 e->angles[0] = MSG_ReadAngle8i(&cl_message);
1144 if (bits & E_ANGLE2)
1145 e->angles[1] = MSG_ReadAngle8i(&cl_message);
1146 if (bits & E_ANGLE3)
1147 e->angles[2] = MSG_ReadAngle8i(&cl_message);
1148 }
1149 if (bits & E_MODEL1)
1150 e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte(&cl_message);
1151 if (bits & E_MODEL2)
1152 e->modelindex = (e->modelindex & 0x00FF) | ((unsigned int) MSG_ReadByte(&cl_message) << 8);
1153 if (bits & E_FRAME1)
1154 e->frame = (e->frame & 0xFF00) | (unsigned int) MSG_ReadByte(&cl_message);
1155 if (bits & E_FRAME2)
1156 e->frame = (e->frame & 0x00FF) | ((unsigned int) MSG_ReadByte(&cl_message) << 8);
1157 if (bits & E_EFFECTS1)
1158 e->effects = (e->effects & 0xFF00) | (unsigned int) MSG_ReadByte(&cl_message);
1159 if (bits & E_EFFECTS2)
1160 e->effects = (e->effects & 0x00FF) | ((unsigned int) MSG_ReadByte(&cl_message) << 8);
1161 if (bits & E_COLORMAP)
1162 e->colormap = MSG_ReadByte(&cl_message);
1163 if (bits & E_SKIN)
1164 e->skin = MSG_ReadByte(&cl_message);
1165 if (bits & E_ALPHA)
1166 e->alpha = MSG_ReadByte(&cl_message);
1167 if (bits & E_SCALE)
1168 e->scale = MSG_ReadByte(&cl_message);
1169 if (bits & E_GLOWSIZE)
1170 e->glowsize = MSG_ReadByte(&cl_message);
1171 if (bits & E_GLOWCOLOR)
1172 e->glowcolor = MSG_ReadByte(&cl_message);
1173 if (cls.protocol == PROTOCOL_DARKPLACES2)
1174 if (bits & E_FLAGS)
1175 e->flags = MSG_ReadByte(&cl_message);
1176 if (bits & E_TAGATTACHMENT)
1177 {
1178 e->tagentity = (unsigned short) MSG_ReadShort(&cl_message);
1179 e->tagindex = MSG_ReadByte(&cl_message);
1180 }
1181 if (bits & E_LIGHT)
1182 {
1183 e->light[0] = (unsigned short) MSG_ReadShort(&cl_message);
1184 e->light[1] = (unsigned short) MSG_ReadShort(&cl_message);
1185 e->light[2] = (unsigned short) MSG_ReadShort(&cl_message);
1186 e->light[3] = (unsigned short) MSG_ReadShort(&cl_message);
1187 }
1188 if (bits & E_LIGHTSTYLE)
1189 e->lightstyle = MSG_ReadByte(&cl_message);
1190 if (bits & E_LIGHTPFLAGS)
1191 e->lightpflags = MSG_ReadByte(&cl_message);
1192
1193 if (developer_networkentities.integer >= 2)
1194 {
1195 Con_Printf("ReadFields e%i", e->number);
1196
1197 if (bits & E_ORIGIN1)
1198 Con_Printf(" E_ORIGIN1 %f", e->origin[0]);
1199 if (bits & E_ORIGIN2)
1200 Con_Printf(" E_ORIGIN2 %f", e->origin[1]);
1201 if (bits & E_ORIGIN3)
1202 Con_Printf(" E_ORIGIN3 %f", e->origin[2]);
1203 if (bits & E_ANGLE1)
1204 Con_Printf(" E_ANGLE1 %f", e->angles[0]);
1205 if (bits & E_ANGLE2)
1206 Con_Printf(" E_ANGLE2 %f", e->angles[1]);
1207 if (bits & E_ANGLE3)
1208 Con_Printf(" E_ANGLE3 %f", e->angles[2]);
1209 if (bits & (E_MODEL1 | E_MODEL2))
1210 Con_Printf(" E_MODEL %i", e->modelindex);
1211
1212 if (bits & (E_FRAME1 | E_FRAME2))
1213 Con_Printf(" E_FRAME %i", e->frame);
1214 if (bits & (E_EFFECTS1 | E_EFFECTS2))
1215 Con_Printf(" E_EFFECTS %i", e->effects);
1216 if (bits & E_ALPHA)
1217 Con_Printf(" E_ALPHA %f", e->alpha / 255.0f);
1218 if (bits & E_SCALE)
1219 Con_Printf(" E_SCALE %f", e->scale / 16.0f);
1220 if (bits & E_COLORMAP)
1221 Con_Printf(" E_COLORMAP %i", e->colormap);
1222 if (bits & E_SKIN)
1223 Con_Printf(" E_SKIN %i", e->skin);
1224
1225 if (bits & E_GLOWSIZE)
1226 Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4);
1227 if (bits & E_GLOWCOLOR)
1228 Con_Printf(" E_GLOWCOLOR %i", e->glowcolor);
1229
1230 if (bits & E_LIGHT)
1231 Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]);
1232 if (bits & E_LIGHTPFLAGS)
1233 Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags);
1234
1235 if (bits & E_TAGATTACHMENT)
1236 Con_Printf(" E_TAGATTACHMENT e%i:%i", e->tagentity, e->tagindex);
1237 if (bits & E_LIGHTSTYLE)
1238 Con_Printf(" E_LIGHTSTYLE %i", e->lightstyle);
1239 Con_Print("\n");
1240 }
1241 }
1242
1243 // (client and server) allocates a new empty database
EntityFrame_AllocDatabase(mempool_t * mempool)1244 entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool)
1245 {
1246 return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t));
1247 }
1248
1249 // (client and server) frees the database
EntityFrame_FreeDatabase(entityframe_database_t * d)1250 void EntityFrame_FreeDatabase(entityframe_database_t *d)
1251 {
1252 Mem_Free(d);
1253 }
1254
1255 // (server) clears the database to contain no frames (thus delta compression compresses against nothing)
EntityFrame_ClearDatabase(entityframe_database_t * d)1256 void EntityFrame_ClearDatabase(entityframe_database_t *d)
1257 {
1258 memset(d, 0, sizeof(*d));
1259 }
1260
1261 // (server and client) removes frames older than 'frame' from database
EntityFrame_AckFrame(entityframe_database_t * d,int frame)1262 void EntityFrame_AckFrame(entityframe_database_t *d, int frame)
1263 {
1264 int i;
1265 d->ackframenum = frame;
1266 for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++);
1267 // ignore outdated frame acks (out of order packets)
1268 if (i == 0)
1269 return;
1270 d->numframes -= i;
1271 // if some queue is left, slide it down to beginning of array
1272 if (d->numframes)
1273 memmove(&d->frames[0], &d->frames[i], sizeof(d->frames[0]) * d->numframes);
1274 }
1275
1276 // (server) clears frame, to prepare for adding entities
EntityFrame_Clear(entity_frame_t * f,vec3_t eye,int framenum)1277 void EntityFrame_Clear(entity_frame_t *f, vec3_t eye, int framenum)
1278 {
1279 f->time = 0;
1280 f->framenum = framenum;
1281 f->numentities = 0;
1282 if (eye == NULL)
1283 VectorClear(f->eye);
1284 else
1285 VectorCopy(eye, f->eye);
1286 }
1287
1288 // (server and client) reads a frame from the database
EntityFrame_FetchFrame(entityframe_database_t * d,int framenum,entity_frame_t * f)1289 void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f)
1290 {
1291 int i, n;
1292 EntityFrame_Clear(f, NULL, -1);
1293 for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++);
1294 if (i < d->numframes && framenum == d->frames[i].framenum)
1295 {
1296 f->framenum = framenum;
1297 f->numentities = d->frames[i].endentity - d->frames[i].firstentity;
1298 n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE);
1299 if (n > f->numentities)
1300 n = f->numentities;
1301 memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n);
1302 if (f->numentities > n)
1303 memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n));
1304 VectorCopy(d->eye, f->eye);
1305 }
1306 }
1307
1308 // (client) adds a entity_frame to the database, for future reference
EntityFrame_AddFrame_Client(entityframe_database_t * d,vec3_t eye,int framenum,int numentities,const entity_state_t * entitydata)1309 void EntityFrame_AddFrame_Client(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata)
1310 {
1311 int n, e;
1312 entity_frameinfo_t *info;
1313
1314 VectorCopy(eye, d->eye);
1315
1316 // figure out how many entity slots are used already
1317 if (d->numframes)
1318 {
1319 n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
1320 if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
1321 {
1322 // ran out of room, dump database
1323 EntityFrame_ClearDatabase(d);
1324 }
1325 }
1326
1327 info = &d->frames[d->numframes];
1328 info->framenum = framenum;
1329 e = -1000;
1330 // make sure we check the newly added frame as well, but we haven't incremented numframes yet
1331 for (n = 0;n <= d->numframes;n++)
1332 {
1333 if (e >= d->frames[n].framenum)
1334 {
1335 if (e == framenum)
1336 Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
1337 else
1338 Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
1339 return;
1340 }
1341 e = d->frames[n].framenum;
1342 }
1343 // if database still has frames after that...
1344 if (d->numframes)
1345 info->firstentity = d->frames[d->numframes - 1].endentity;
1346 else
1347 info->firstentity = 0;
1348 info->endentity = info->firstentity + numentities;
1349 d->numframes++;
1350
1351 n = info->firstentity % MAX_ENTITY_DATABASE;
1352 e = MAX_ENTITY_DATABASE - n;
1353 if (e > numentities)
1354 e = numentities;
1355 memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
1356 if (numentities > e)
1357 memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
1358 }
1359
1360 // (server) adds a entity_frame to the database, for future reference
EntityFrame_AddFrame_Server(entityframe_database_t * d,vec3_t eye,int framenum,int numentities,const entity_state_t ** entitydata)1361 void EntityFrame_AddFrame_Server(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t **entitydata)
1362 {
1363 int n, e;
1364 entity_frameinfo_t *info;
1365
1366 VectorCopy(eye, d->eye);
1367
1368 // figure out how many entity slots are used already
1369 if (d->numframes)
1370 {
1371 n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
1372 if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
1373 {
1374 // ran out of room, dump database
1375 EntityFrame_ClearDatabase(d);
1376 }
1377 }
1378
1379 info = &d->frames[d->numframes];
1380 info->framenum = framenum;
1381 e = -1000;
1382 // make sure we check the newly added frame as well, but we haven't incremented numframes yet
1383 for (n = 0;n <= d->numframes;n++)
1384 {
1385 if (e >= d->frames[n].framenum)
1386 {
1387 if (e == framenum)
1388 Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
1389 else
1390 Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
1391 return;
1392 }
1393 e = d->frames[n].framenum;
1394 }
1395 // if database still has frames after that...
1396 if (d->numframes)
1397 info->firstentity = d->frames[d->numframes - 1].endentity;
1398 else
1399 info->firstentity = 0;
1400 info->endentity = info->firstentity + numentities;
1401 d->numframes++;
1402
1403 n = info->firstentity % MAX_ENTITY_DATABASE;
1404 e = MAX_ENTITY_DATABASE - n;
1405 if (e > numentities)
1406 e = numentities;
1407 memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
1408 if (numentities > e)
1409 memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
1410 }
1411
1412 // (server) writes a frame to network stream
EntityFrame_WriteFrame(sizebuf_t * msg,int maxsize,entityframe_database_t * d,int numstates,const entity_state_t ** states,int viewentnum)1413 qboolean EntityFrame_WriteFrame(sizebuf_t *msg, int maxsize, entityframe_database_t *d, int numstates, const entity_state_t **states, int viewentnum)
1414 {
1415 prvm_prog_t *prog = SVVM_prog;
1416 int i, onum, number;
1417 entity_frame_t *o = &d->deltaframe;
1418 const entity_state_t *ent, *delta;
1419 vec3_t eye;
1420
1421 d->latestframenum++;
1422
1423 VectorClear(eye);
1424 for (i = 0;i < numstates;i++)
1425 {
1426 ent = states[i];
1427 if (ent->number == viewentnum)
1428 {
1429 VectorSet(eye, ent->origin[0], ent->origin[1], ent->origin[2] + 22);
1430 break;
1431 }
1432 }
1433
1434 EntityFrame_AddFrame_Server(d, eye, d->latestframenum, numstates, states);
1435
1436 EntityFrame_FetchFrame(d, d->ackframenum, o);
1437
1438 MSG_WriteByte (msg, svc_entities);
1439 MSG_WriteLong (msg, o->framenum);
1440 MSG_WriteLong (msg, d->latestframenum);
1441 MSG_WriteFloat (msg, eye[0]);
1442 MSG_WriteFloat (msg, eye[1]);
1443 MSG_WriteFloat (msg, eye[2]);
1444
1445 onum = 0;
1446 for (i = 0;i < numstates;i++)
1447 {
1448 ent = states[i];
1449 number = ent->number;
1450
1451 if (PRVM_serveredictfunction((&prog->edicts[number]), SendEntity))
1452 continue;
1453 for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
1454 {
1455 // write remove message
1456 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1457 }
1458 if (onum < o->numentities && (o->entitydata[onum].number == number))
1459 {
1460 // delta from previous frame
1461 delta = o->entitydata + onum;
1462 // advance to next entity in delta frame
1463 onum++;
1464 }
1465 else
1466 {
1467 // delta from defaults
1468 delta = &defaultstate;
1469 }
1470 EntityState_WriteUpdate(ent, msg, delta);
1471 }
1472 for (;onum < o->numentities;onum++)
1473 {
1474 // write remove message
1475 MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
1476 }
1477 MSG_WriteShort(msg, 0xFFFF);
1478
1479 return true;
1480 }
1481
1482 // (client) reads a frame from network stream
EntityFrame_CL_ReadFrame(void)1483 void EntityFrame_CL_ReadFrame(void)
1484 {
1485 int i, number, removed;
1486 entity_frame_t *f, *delta;
1487 entity_state_t *e, *old, *oldend;
1488 entity_t *ent;
1489 entityframe_database_t *d;
1490 if (!cl.entitydatabase)
1491 cl.entitydatabase = EntityFrame_AllocDatabase(cls.levelmempool);
1492 d = cl.entitydatabase;
1493 f = &d->framedata;
1494 delta = &d->deltaframe;
1495
1496 EntityFrame_Clear(f, NULL, -1);
1497
1498 // read the frame header info
1499 f->time = cl.mtime[0];
1500 number = MSG_ReadLong(&cl_message);
1501 f->framenum = MSG_ReadLong(&cl_message);
1502 CL_NewFrameReceived(f->framenum);
1503 f->eye[0] = MSG_ReadFloat(&cl_message);
1504 f->eye[1] = MSG_ReadFloat(&cl_message);
1505 f->eye[2] = MSG_ReadFloat(&cl_message);
1506 EntityFrame_AckFrame(d, number);
1507 EntityFrame_FetchFrame(d, number, delta);
1508 old = delta->entitydata;
1509 oldend = old + delta->numentities;
1510 // read entities until we hit the magic 0xFFFF end tag
1511 while ((number = (unsigned short) MSG_ReadShort(&cl_message)) != 0xFFFF && !cl_message.badread)
1512 {
1513 if (cl_message.badread)
1514 Host_Error("EntityFrame_Read: read error");
1515 removed = number & 0x8000;
1516 number &= 0x7FFF;
1517 if (number >= MAX_EDICTS)
1518 Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
1519
1520 // seek to entity, while copying any skipped entities (assume unchanged)
1521 while (old < oldend && old->number < number)
1522 {
1523 if (f->numentities >= MAX_ENTITY_DATABASE)
1524 Host_Error("EntityFrame_Read: entity list too big");
1525 f->entitydata[f->numentities] = *old++;
1526 f->entitydata[f->numentities++].time = cl.mtime[0];
1527 }
1528 if (removed)
1529 {
1530 if (old < oldend && old->number == number)
1531 old++;
1532 else
1533 Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number);
1534 }
1535 else
1536 {
1537 if (f->numentities >= MAX_ENTITY_DATABASE)
1538 Host_Error("EntityFrame_Read: entity list too big");
1539
1540 // reserve this slot
1541 e = f->entitydata + f->numentities++;
1542
1543 if (old < oldend && old->number == number)
1544 {
1545 // delta from old entity
1546 *e = *old++;
1547 }
1548 else
1549 {
1550 // delta from defaults
1551 *e = defaultstate;
1552 }
1553
1554 if (cl.num_entities <= number)
1555 {
1556 cl.num_entities = number + 1;
1557 if (number >= cl.max_entities)
1558 CL_ExpandEntities(number);
1559 }
1560 cl.entities_active[number] = true;
1561 e->active = ACTIVE_NETWORK;
1562 e->time = cl.mtime[0];
1563 e->number = number;
1564 EntityState_ReadFields(e, EntityState_ReadExtendBits());
1565 }
1566 }
1567 while (old < oldend)
1568 {
1569 if (f->numentities >= MAX_ENTITY_DATABASE)
1570 Host_Error("EntityFrame_Read: entity list too big");
1571 f->entitydata[f->numentities] = *old++;
1572 f->entitydata[f->numentities++].time = cl.mtime[0];
1573 }
1574 EntityFrame_AddFrame_Client(d, f->eye, f->framenum, f->numentities, f->entitydata);
1575
1576 memset(cl.entities_active, 0, cl.num_entities * sizeof(unsigned char));
1577 number = 1;
1578 for (i = 0;i < f->numentities;i++)
1579 {
1580 for (;number < f->entitydata[i].number && number < cl.num_entities;number++)
1581 {
1582 if (cl.entities_active[number])
1583 {
1584 cl.entities_active[number] = false;
1585 cl.entities[number].state_current.active = ACTIVE_NOT;
1586 }
1587 }
1588 if (number >= cl.num_entities)
1589 break;
1590 // update the entity
1591 ent = &cl.entities[number];
1592 ent->state_previous = ent->state_current;
1593 ent->state_current = f->entitydata[i];
1594 CL_MoveLerpEntityStates(ent);
1595 // the entity lives again...
1596 cl.entities_active[number] = true;
1597 number++;
1598 }
1599 for (;number < cl.num_entities;number++)
1600 {
1601 if (cl.entities_active[number])
1602 {
1603 cl.entities_active[number] = false;
1604 cl.entities[number].state_current.active = ACTIVE_NOT;
1605 }
1606 }
1607 }
1608
1609
1610 // (client) returns the frame number of the most recent frame recieved
EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t * d)1611 int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d)
1612 {
1613 if (d->numframes)
1614 return d->frames[d->numframes - 1].framenum;
1615 else
1616 return -1;
1617 }
1618
1619
1620
1621
1622
1623
EntityFrame4_GetReferenceEntity(entityframe4_database_t * d,int number)1624 entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number)
1625 {
1626 if (d->maxreferenceentities <= number)
1627 {
1628 int oldmax = d->maxreferenceentities;
1629 entity_state_t *oldentity = d->referenceentity;
1630 d->maxreferenceentities = (number + 15) & ~7;
1631 d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
1632 if (oldentity)
1633 {
1634 memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
1635 Mem_Free(oldentity);
1636 }
1637 // clear the newly created entities
1638 for (;oldmax < d->maxreferenceentities;oldmax++)
1639 {
1640 d->referenceentity[oldmax] = defaultstate;
1641 d->referenceentity[oldmax].number = oldmax;
1642 }
1643 }
1644 return d->referenceentity + number;
1645 }
1646
EntityFrame4_AddCommitEntity(entityframe4_database_t * d,const entity_state_t * s)1647 void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s)
1648 {
1649 // resize commit's entity list if full
1650 if (d->currentcommit->maxentities <= d->currentcommit->numentities)
1651 {
1652 entity_state_t *oldentity = d->currentcommit->entity;
1653 d->currentcommit->maxentities += 8;
1654 d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
1655 if (oldentity)
1656 {
1657 memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
1658 Mem_Free(oldentity);
1659 }
1660 }
1661 d->currentcommit->entity[d->currentcommit->numentities++] = *s;
1662 }
1663
EntityFrame4_AllocDatabase(mempool_t * pool)1664 entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
1665 {
1666 entityframe4_database_t *d;
1667 d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
1668 d->mempool = pool;
1669 EntityFrame4_ResetDatabase(d);
1670 return d;
1671 }
1672
EntityFrame4_FreeDatabase(entityframe4_database_t * d)1673 void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
1674 {
1675 int i;
1676 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1677 if (d->commit[i].entity)
1678 Mem_Free(d->commit[i].entity);
1679 if (d->referenceentity)
1680 Mem_Free(d->referenceentity);
1681 Mem_Free(d);
1682 }
1683
EntityFrame4_ResetDatabase(entityframe4_database_t * d)1684 void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
1685 {
1686 int i;
1687 d->referenceframenum = -1;
1688 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1689 d->commit[i].numentities = 0;
1690 for (i = 0;i < d->maxreferenceentities;i++)
1691 d->referenceentity[i] = defaultstate;
1692 }
1693
EntityFrame4_AckFrame(entityframe4_database_t * d,int framenum,int servermode)1694 int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode)
1695 {
1696 int i, j, found;
1697 entity_database4_commit_t *commit;
1698 if (framenum == -1)
1699 {
1700 // reset reference, but leave commits alone
1701 d->referenceframenum = -1;
1702 for (i = 0;i < d->maxreferenceentities;i++)
1703 d->referenceentity[i] = defaultstate;
1704 // if this is the server, remove commits
1705 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1706 commit->numentities = 0;
1707 found = true;
1708 }
1709 else if (d->referenceframenum == framenum)
1710 found = true;
1711 else
1712 {
1713 found = false;
1714 for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
1715 {
1716 if (commit->numentities && commit->framenum <= framenum)
1717 {
1718 if (commit->framenum == framenum)
1719 {
1720 found = true;
1721 d->referenceframenum = framenum;
1722 if (developer_networkentities.integer >= 3)
1723 {
1724 for (j = 0;j < commit->numentities;j++)
1725 {
1726 entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
1727 if (commit->entity[j].active != s->active)
1728 {
1729 if (commit->entity[j].active == ACTIVE_NETWORK)
1730 Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1731 else
1732 Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
1733 }
1734 *s = commit->entity[j];
1735 }
1736 }
1737 else
1738 for (j = 0;j < commit->numentities;j++)
1739 *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j];
1740 }
1741 commit->numentities = 0;
1742 }
1743 }
1744 }
1745 if (developer_networkentities.integer >= 1)
1746 {
1747 Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum);
1748 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1749 if (d->commit[i].numentities)
1750 Con_Printf(" %i", d->commit[i].framenum);
1751 Con_Print("\n");
1752 }
1753 return found;
1754 }
1755
EntityFrame4_CL_ReadFrame(void)1756 void EntityFrame4_CL_ReadFrame(void)
1757 {
1758 int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false;
1759 entity_state_t *s;
1760 entityframe4_database_t *d;
1761 if (!cl.entitydatabase4)
1762 cl.entitydatabase4 = EntityFrame4_AllocDatabase(cls.levelmempool);
1763 d = cl.entitydatabase4;
1764 // read the number of the frame this refers to
1765 referenceframenum = MSG_ReadLong(&cl_message);
1766 // read the number of this frame
1767 framenum = MSG_ReadLong(&cl_message);
1768 CL_NewFrameReceived(framenum);
1769 // read the start number
1770 enumber = (unsigned short) MSG_ReadShort(&cl_message);
1771 if (developer_networkentities.integer >= 10)
1772 {
1773 Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum);
1774 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1775 if (d->commit[i].numentities)
1776 Con_Printf(" %i", d->commit[i].framenum);
1777 Con_Print("\n");
1778 }
1779 if (!EntityFrame4_AckFrame(d, referenceframenum, false))
1780 {
1781 Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n");
1782 skip = true;
1783 }
1784 d->currentcommit = NULL;
1785 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1786 {
1787 if (!d->commit[i].numentities)
1788 {
1789 d->currentcommit = d->commit + i;
1790 d->currentcommit->framenum = framenum;
1791 d->currentcommit->numentities = 0;
1792 }
1793 }
1794 if (d->currentcommit == NULL)
1795 {
1796 Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum);
1797 skip = true;
1798 }
1799 done = false;
1800 while (!done && !cl_message.badread)
1801 {
1802 // read the number of the modified entity
1803 // (gaps will be copied unmodified)
1804 n = (unsigned short)MSG_ReadShort(&cl_message);
1805 if (n == 0x8000)
1806 {
1807 // no more entities in this update, but we still need to copy the
1808 // rest of the reference entities (final gap)
1809 done = true;
1810 // read end of range number, then process normally
1811 n = (unsigned short)MSG_ReadShort(&cl_message);
1812 }
1813 // high bit means it's a remove message
1814 cnumber = n & 0x7FFF;
1815 // if this is a live entity we may need to expand the array
1816 if (cl.num_entities <= cnumber && !(n & 0x8000))
1817 {
1818 cl.num_entities = cnumber + 1;
1819 if (cnumber >= cl.max_entities)
1820 CL_ExpandEntities(cnumber);
1821 }
1822 // add one (the changed one) if not done
1823 stopnumber = cnumber + !done;
1824 // process entities in range from the last one to the changed one
1825 for (;enumber < stopnumber;enumber++)
1826 {
1827 if (skip || enumber >= cl.num_entities)
1828 {
1829 if (enumber == cnumber && (n & 0x8000) == 0)
1830 {
1831 entity_state_t tempstate;
1832 EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits());
1833 }
1834 continue;
1835 }
1836 // slide the current into the previous slot
1837 cl.entities[enumber].state_previous = cl.entities[enumber].state_current;
1838 // copy a new current from reference database
1839 cl.entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber);
1840 s = &cl.entities[enumber].state_current;
1841 // if this is the one to modify, read more data...
1842 if (enumber == cnumber)
1843 {
1844 if (n & 0x8000)
1845 {
1846 // simply removed
1847 if (developer_networkentities.integer >= 2)
1848 Con_Printf("entity %i: remove\n", enumber);
1849 *s = defaultstate;
1850 }
1851 else
1852 {
1853 // read the changes
1854 if (developer_networkentities.integer >= 2)
1855 Con_Printf("entity %i: update\n", enumber);
1856 s->active = ACTIVE_NETWORK;
1857 EntityState_ReadFields(s, EntityState_ReadExtendBits());
1858 }
1859 }
1860 else if (developer_networkentities.integer >= 4)
1861 Con_Printf("entity %i: copy\n", enumber);
1862 // set the cl.entities_active flag
1863 cl.entities_active[enumber] = (s->active == ACTIVE_NETWORK);
1864 // set the update time
1865 s->time = cl.mtime[0];
1866 // fix the number (it gets wiped occasionally by copying from defaultstate)
1867 s->number = enumber;
1868 // check if we need to update the lerp stuff
1869 if (s->active == ACTIVE_NETWORK)
1870 CL_MoveLerpEntityStates(&cl.entities[enumber]);
1871 // add this to the commit entry whether it is modified or not
1872 if (d->currentcommit)
1873 EntityFrame4_AddCommitEntity(d, &cl.entities[enumber].state_current);
1874 // print extra messages if desired
1875 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
1876 {
1877 if (cl.entities[enumber].state_current.active == ACTIVE_NETWORK)
1878 Con_Printf("entity #%i has become active\n", enumber);
1879 else if (cl.entities[enumber].state_previous.active)
1880 Con_Printf("entity #%i has become inactive\n", enumber);
1881 }
1882 }
1883 }
1884 d->currentcommit = NULL;
1885 if (skip)
1886 EntityFrame4_ResetDatabase(d);
1887 }
1888
EntityFrame4_WriteFrame(sizebuf_t * msg,int maxsize,entityframe4_database_t * d,int numstates,const entity_state_t ** states)1889 qboolean EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_t *d, int numstates, const entity_state_t **states)
1890 {
1891 prvm_prog_t *prog = SVVM_prog;
1892 const entity_state_t *e, *s;
1893 entity_state_t inactiveentitystate;
1894 int i, n, startnumber;
1895 sizebuf_t buf;
1896 unsigned char data[128];
1897
1898 // if there isn't enough space to accomplish anything, skip it
1899 if (msg->cursize + 24 > maxsize)
1900 return false;
1901
1902 // prepare the buffer
1903 memset(&buf, 0, sizeof(buf));
1904 buf.data = data;
1905 buf.maxsize = sizeof(data);
1906
1907 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1908 if (!d->commit[i].numentities)
1909 break;
1910 // if commit buffer full, just don't bother writing an update this frame
1911 if (i == MAX_ENTITY_HISTORY)
1912 return false;
1913 d->currentcommit = d->commit + i;
1914
1915 // this state's number gets played around with later
1916 inactiveentitystate = defaultstate;
1917
1918 d->currentcommit->numentities = 0;
1919 d->currentcommit->framenum = ++d->latestframenumber;
1920 MSG_WriteByte(msg, svc_entities);
1921 MSG_WriteLong(msg, d->referenceframenum);
1922 MSG_WriteLong(msg, d->currentcommit->framenum);
1923 if (developer_networkentities.integer >= 10)
1924 {
1925 Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum);
1926 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1927 if (d->commit[i].numentities)
1928 Con_Printf(" %i", d->commit[i].framenum);
1929 Con_Print(")\n");
1930 }
1931 if (d->currententitynumber >= prog->max_edicts)
1932 startnumber = 1;
1933 else
1934 startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
1935 MSG_WriteShort(msg, startnumber);
1936 // reset currententitynumber so if the loop does not break it we will
1937 // start at beginning next frame (if it does break, it will set it)
1938 d->currententitynumber = 1;
1939 for (i = 0, n = startnumber;n < prog->max_edicts;n++)
1940 {
1941 if (PRVM_serveredictfunction((&prog->edicts[n]), SendEntity))
1942 continue;
1943 // find the old state to delta from
1944 e = EntityFrame4_GetReferenceEntity(d, n);
1945 // prepare the buffer
1946 SZ_Clear(&buf);
1947 // entity exists, build an update (if empty there is no change)
1948 // find the state in the list
1949 for (;i < numstates && states[i]->number < n;i++);
1950 // make the message
1951 s = states[i];
1952 if (s->number == n)
1953 {
1954 // build the update
1955 EntityState_WriteUpdate(s, &buf, e);
1956 }
1957 else
1958 {
1959 inactiveentitystate.number = n;
1960 s = &inactiveentitystate;
1961 if (e->active == ACTIVE_NETWORK)
1962 {
1963 // entity used to exist but doesn't anymore, send remove
1964 MSG_WriteShort(&buf, n | 0x8000);
1965 }
1966 }
1967 // if the commit is full, we're done this frame
1968 if (msg->cursize + buf.cursize > maxsize - 4)
1969 {
1970 // next frame we will continue where we left off
1971 break;
1972 }
1973 // add the entity to the commit
1974 EntityFrame4_AddCommitEntity(d, s);
1975 // if the message is empty, skip out now
1976 if (buf.cursize)
1977 {
1978 // write the message to the packet
1979 SZ_Write(msg, buf.data, buf.cursize);
1980 }
1981 }
1982 d->currententitynumber = n;
1983
1984 // remove world message (invalid, and thus a good terminator)
1985 MSG_WriteShort(msg, 0x8000);
1986 // write the number of the end entity
1987 MSG_WriteShort(msg, d->currententitynumber);
1988 // just to be sure
1989 d->currentcommit = NULL;
1990
1991 return true;
1992 }
1993
1994
1995
1996
EntityFrame5_AllocDatabase(mempool_t * pool)1997 entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
1998 {
1999 int i;
2000 entityframe5_database_t *d;
2001 d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
2002 d->latestframenum = 0;
2003 for (i = 0;i < d->maxedicts;i++)
2004 d->states[i] = defaultstate;
2005 return d;
2006 }
2007
EntityFrame5_FreeDatabase(entityframe5_database_t * d)2008 void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
2009 {
2010 // all the [maxedicts] memory is allocated at once, so there's only one
2011 // thing to free
2012 if (d->maxedicts)
2013 Mem_Free(d->deltabits);
2014 Mem_Free(d);
2015 }
2016
EntityFrame5_ExpandEdicts(entityframe5_database_t * d,int newmax)2017 static void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
2018 {
2019 if (d->maxedicts < newmax)
2020 {
2021 unsigned char *data;
2022 int oldmaxedicts = d->maxedicts;
2023 int *olddeltabits = d->deltabits;
2024 unsigned char *oldpriorities = d->priorities;
2025 int *oldupdateframenum = d->updateframenum;
2026 entity_state_t *oldstates = d->states;
2027 unsigned char *oldvisiblebits = d->visiblebits;
2028 d->maxedicts = newmax;
2029 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));
2030 d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
2031 d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
2032 d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
2033 d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
2034 d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
2035 if (oldmaxedicts)
2036 {
2037 memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
2038 memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
2039 memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
2040 memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
2041 memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
2042 // the previous buffers were a single allocation, so just one free
2043 Mem_Free(olddeltabits);
2044 }
2045 }
2046 }
2047
EntityState5_Priority(entityframe5_database_t * d,int stateindex)2048 static int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
2049 {
2050 int limit, priority;
2051 entity_state_t *s = NULL; // hush compiler warning by initializing this
2052 // if it is the player, update urgently
2053 if (stateindex == d->viewentnum)
2054 return ENTITYFRAME5_PRIORITYLEVELS - 1;
2055 // priority increases each frame no matter what happens
2056 priority = d->priorities[stateindex] + 1;
2057 // players get an extra priority boost
2058 if (stateindex <= svs.maxclients)
2059 priority++;
2060 // remove dead entities very quickly because they are just 2 bytes
2061 if (d->states[stateindex].active != ACTIVE_NETWORK)
2062 {
2063 priority++;
2064 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
2065 }
2066 // certain changes are more noticable than others
2067 if (d->deltabits[stateindex] & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP))
2068 priority++;
2069 // find the root entity this one is attached to, and judge relevance by it
2070 for (limit = 0;limit < 256;limit++)
2071 {
2072 s = d->states + stateindex;
2073 if (s->flags & RENDER_VIEWMODEL)
2074 stateindex = d->viewentnum;
2075 else if (s->tagentity)
2076 stateindex = s->tagentity;
2077 else
2078 break;
2079 if (d->maxedicts < stateindex)
2080 EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255);
2081 }
2082 if (limit >= 256)
2083 Con_DPrintf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex);
2084 // now that we have the parent entity we can make some decisions based on
2085 // distance from the player
2086 if (VectorDistance(d->states[d->viewentnum].netcenter, s->netcenter) < 1024.0f)
2087 priority++;
2088 return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
2089 }
2090
anim_reducetime(double t,double frameduration,double maxtime)2091 static double anim_reducetime(double t, double frameduration, double maxtime)
2092 {
2093 if(t < 0) // clamp to non-negative
2094 return 0;
2095 if(t <= maxtime) // time can be represented normally
2096 return t;
2097 if(frameduration == 0) // don't like dividing by zero
2098 return t;
2099 if(maxtime <= 2 * frameduration) // if two frames don't fit, we better not do this
2100 return t;
2101 t -= frameduration * ceil((t - maxtime) / frameduration);
2102 // now maxtime - frameduration < t <= maxtime
2103 return t;
2104 }
2105
2106 // see VM_SV_frameduration
anim_frameduration(dp_model_t * model,int framenum)2107 static double anim_frameduration(dp_model_t *model, int framenum)
2108 {
2109 if (!model || !model->animscenes || framenum < 0 || framenum >= model->numframes)
2110 return 0;
2111 if(model->animscenes[framenum].framerate)
2112 return model->animscenes[framenum].framecount / model->animscenes[framenum].framerate;
2113 return 0;
2114 }
2115
EntityState5_WriteUpdate(int number,const entity_state_t * s,int changedbits,sizebuf_t * msg)2116 void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
2117 {
2118 prvm_prog_t *prog = SVVM_prog;
2119 unsigned int bits = 0;
2120 //dp_model_t *model;
2121
2122 if (s->active != ACTIVE_NETWORK)
2123 {
2124 ENTITYSIZEPROFILING_START(msg, s->number, 0);
2125 MSG_WriteShort(msg, number | 0x8000);
2126 ENTITYSIZEPROFILING_END(msg, s->number, 0);
2127 }
2128 else
2129 {
2130 if (PRVM_serveredictfunction((&prog->edicts[s->number]), SendEntity))
2131 return;
2132
2133 bits = changedbits;
2134 if ((bits & E5_ORIGIN) && (!(s->flags & RENDER_LOWPRECISION) || s->exteriormodelforclient || s->tagentity || s->viewmodelforclient || (s->number >= 1 && s->number <= svs.maxclients) || s->origin[0] <= -4096.0625 || s->origin[0] >= 4095.9375 || s->origin[1] <= -4096.0625 || s->origin[1] >= 4095.9375 || s->origin[2] <= -4096.0625 || s->origin[2] >= 4095.9375))
2135 // maybe also add: ((model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*')
2136 bits |= E5_ORIGIN32;
2137 // possible values:
2138 // negative origin:
2139 // (int)(f * 8 - 0.5) >= -32768
2140 // (f * 8 - 0.5) > -32769
2141 // f > -4096.0625
2142 // positive origin:
2143 // (int)(f * 8 + 0.5) <= 32767
2144 // (f * 8 + 0.5) < 32768
2145 // f * 8 + 0.5) < 4095.9375
2146 if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION))
2147 bits |= E5_ANGLES16;
2148 if ((bits & E5_MODEL) && s->modelindex >= 256)
2149 bits |= E5_MODEL16;
2150 if ((bits & E5_FRAME) && s->frame >= 256)
2151 bits |= E5_FRAME16;
2152 if (bits & E5_EFFECTS)
2153 {
2154 if (s->effects & 0xFFFF0000)
2155 bits |= E5_EFFECTS32;
2156 else if (s->effects & 0xFFFFFF00)
2157 bits |= E5_EFFECTS16;
2158 }
2159 if (bits >= 256)
2160 bits |= E5_EXTEND1;
2161 if (bits >= 65536)
2162 bits |= E5_EXTEND2;
2163 if (bits >= 16777216)
2164 bits |= E5_EXTEND3;
2165 {
2166 ENTITYSIZEPROFILING_START(msg, s->number, bits);
2167 MSG_WriteShort(msg, number);
2168 MSG_WriteByte(msg, bits & 0xFF);
2169 if (bits & E5_EXTEND1)
2170 MSG_WriteByte(msg, (bits >> 8) & 0xFF);
2171 if (bits & E5_EXTEND2)
2172 MSG_WriteByte(msg, (bits >> 16) & 0xFF);
2173 if (bits & E5_EXTEND3)
2174 MSG_WriteByte(msg, (bits >> 24) & 0xFF);
2175 if (bits & E5_FLAGS)
2176 MSG_WriteByte(msg, s->flags);
2177 if (bits & E5_ORIGIN)
2178 {
2179 if (bits & E5_ORIGIN32)
2180 {
2181 MSG_WriteCoord32f(msg, s->origin[0]);
2182 MSG_WriteCoord32f(msg, s->origin[1]);
2183 MSG_WriteCoord32f(msg, s->origin[2]);
2184 }
2185 else
2186 {
2187 MSG_WriteCoord13i(msg, s->origin[0]);
2188 MSG_WriteCoord13i(msg, s->origin[1]);
2189 MSG_WriteCoord13i(msg, s->origin[2]);
2190 }
2191 }
2192 if (bits & E5_ANGLES)
2193 {
2194 if (bits & E5_ANGLES16)
2195 {
2196 MSG_WriteAngle16i(msg, s->angles[0]);
2197 MSG_WriteAngle16i(msg, s->angles[1]);
2198 MSG_WriteAngle16i(msg, s->angles[2]);
2199 }
2200 else
2201 {
2202 MSG_WriteAngle8i(msg, s->angles[0]);
2203 MSG_WriteAngle8i(msg, s->angles[1]);
2204 MSG_WriteAngle8i(msg, s->angles[2]);
2205 }
2206 }
2207 if (bits & E5_MODEL)
2208 {
2209 if (bits & E5_MODEL16)
2210 MSG_WriteShort(msg, s->modelindex);
2211 else
2212 MSG_WriteByte(msg, s->modelindex);
2213 }
2214 if (bits & E5_FRAME)
2215 {
2216 if (bits & E5_FRAME16)
2217 MSG_WriteShort(msg, s->frame);
2218 else
2219 MSG_WriteByte(msg, s->frame);
2220 }
2221 if (bits & E5_SKIN)
2222 MSG_WriteByte(msg, s->skin);
2223 if (bits & E5_EFFECTS)
2224 {
2225 if (bits & E5_EFFECTS32)
2226 MSG_WriteLong(msg, s->effects);
2227 else if (bits & E5_EFFECTS16)
2228 MSG_WriteShort(msg, s->effects);
2229 else
2230 MSG_WriteByte(msg, s->effects);
2231 }
2232 if (bits & E5_ALPHA)
2233 MSG_WriteByte(msg, s->alpha);
2234 if (bits & E5_SCALE)
2235 MSG_WriteByte(msg, s->scale);
2236 if (bits & E5_COLORMAP)
2237 MSG_WriteByte(msg, s->colormap);
2238 if (bits & E5_ATTACHMENT)
2239 {
2240 MSG_WriteShort(msg, s->tagentity);
2241 MSG_WriteByte(msg, s->tagindex);
2242 }
2243 if (bits & E5_LIGHT)
2244 {
2245 MSG_WriteShort(msg, s->light[0]);
2246 MSG_WriteShort(msg, s->light[1]);
2247 MSG_WriteShort(msg, s->light[2]);
2248 MSG_WriteShort(msg, s->light[3]);
2249 MSG_WriteByte(msg, s->lightstyle);
2250 MSG_WriteByte(msg, s->lightpflags);
2251 }
2252 if (bits & E5_GLOW)
2253 {
2254 MSG_WriteByte(msg, s->glowsize);
2255 MSG_WriteByte(msg, s->glowcolor);
2256 }
2257 if (bits & E5_COLORMOD)
2258 {
2259 MSG_WriteByte(msg, s->colormod[0]);
2260 MSG_WriteByte(msg, s->colormod[1]);
2261 MSG_WriteByte(msg, s->colormod[2]);
2262 }
2263 if (bits & E5_GLOWMOD)
2264 {
2265 MSG_WriteByte(msg, s->glowmod[0]);
2266 MSG_WriteByte(msg, s->glowmod[1]);
2267 MSG_WriteByte(msg, s->glowmod[2]);
2268 }
2269 if (bits & E5_COMPLEXANIMATION)
2270 {
2271 if (s->skeletonobject.model && s->skeletonobject.relativetransforms)
2272 {
2273 int numbones = s->skeletonobject.model->num_bones;
2274 int bonenum;
2275 short pose7s[7];
2276 MSG_WriteByte(msg, 4);
2277 MSG_WriteShort(msg, s->modelindex);
2278 MSG_WriteByte(msg, numbones);
2279 for (bonenum = 0;bonenum < numbones;bonenum++)
2280 {
2281 Matrix4x4_ToBonePose7s(s->skeletonobject.relativetransforms + bonenum, 64, pose7s);
2282 MSG_WriteShort(msg, pose7s[0]);
2283 MSG_WriteShort(msg, pose7s[1]);
2284 MSG_WriteShort(msg, pose7s[2]);
2285 MSG_WriteShort(msg, pose7s[3]);
2286 MSG_WriteShort(msg, pose7s[4]);
2287 MSG_WriteShort(msg, pose7s[5]);
2288 MSG_WriteShort(msg, pose7s[6]);
2289 }
2290 }
2291 else
2292 {
2293 dp_model_t *model = SV_GetModelByIndex(s->modelindex);
2294 if (s->framegroupblend[3].lerp > 0)
2295 {
2296 MSG_WriteByte(msg, 3);
2297 MSG_WriteShort(msg, s->framegroupblend[0].frame);
2298 MSG_WriteShort(msg, s->framegroupblend[1].frame);
2299 MSG_WriteShort(msg, s->framegroupblend[2].frame);
2300 MSG_WriteShort(msg, s->framegroupblend[3].frame);
2301 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[0].start, anim_frameduration(model, s->framegroupblend[0].frame), 65.535) * 1000.0));
2302 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[1].start, anim_frameduration(model, s->framegroupblend[1].frame), 65.535) * 1000.0));
2303 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[2].start, anim_frameduration(model, s->framegroupblend[2].frame), 65.535) * 1000.0));
2304 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[3].start, anim_frameduration(model, s->framegroupblend[3].frame), 65.535) * 1000.0));
2305 MSG_WriteByte(msg, s->framegroupblend[0].lerp * 255.0f);
2306 MSG_WriteByte(msg, s->framegroupblend[1].lerp * 255.0f);
2307 MSG_WriteByte(msg, s->framegroupblend[2].lerp * 255.0f);
2308 MSG_WriteByte(msg, s->framegroupblend[3].lerp * 255.0f);
2309 }
2310 else if (s->framegroupblend[2].lerp > 0)
2311 {
2312 MSG_WriteByte(msg, 2);
2313 MSG_WriteShort(msg, s->framegroupblend[0].frame);
2314 MSG_WriteShort(msg, s->framegroupblend[1].frame);
2315 MSG_WriteShort(msg, s->framegroupblend[2].frame);
2316 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[0].start, anim_frameduration(model, s->framegroupblend[0].frame), 65.535) * 1000.0));
2317 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[1].start, anim_frameduration(model, s->framegroupblend[1].frame), 65.535) * 1000.0));
2318 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[2].start, anim_frameduration(model, s->framegroupblend[2].frame), 65.535) * 1000.0));
2319 MSG_WriteByte(msg, s->framegroupblend[0].lerp * 255.0f);
2320 MSG_WriteByte(msg, s->framegroupblend[1].lerp * 255.0f);
2321 MSG_WriteByte(msg, s->framegroupblend[2].lerp * 255.0f);
2322 }
2323 else if (s->framegroupblend[1].lerp > 0)
2324 {
2325 MSG_WriteByte(msg, 1);
2326 MSG_WriteShort(msg, s->framegroupblend[0].frame);
2327 MSG_WriteShort(msg, s->framegroupblend[1].frame);
2328 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[0].start, anim_frameduration(model, s->framegroupblend[0].frame), 65.535) * 1000.0));
2329 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[1].start, anim_frameduration(model, s->framegroupblend[1].frame), 65.535) * 1000.0));
2330 MSG_WriteByte(msg, s->framegroupblend[0].lerp * 255.0f);
2331 MSG_WriteByte(msg, s->framegroupblend[1].lerp * 255.0f);
2332 }
2333 else
2334 {
2335 MSG_WriteByte(msg, 0);
2336 MSG_WriteShort(msg, s->framegroupblend[0].frame);
2337 MSG_WriteShort(msg, (int)(anim_reducetime(sv.time - s->framegroupblend[0].start, anim_frameduration(model, s->framegroupblend[0].frame), 65.535) * 1000.0));
2338 }
2339 }
2340 }
2341 if (bits & E5_TRAILEFFECTNUM)
2342 MSG_WriteShort(msg, s->traileffectnum);
2343 ENTITYSIZEPROFILING_END(msg, s->number, bits);
2344 }
2345 }
2346 }
2347
EntityState5_ReadUpdate(entity_state_t * s,int number)2348 static void EntityState5_ReadUpdate(entity_state_t *s, int number)
2349 {
2350 int bits;
2351 int startoffset = cl_message.readcount;
2352 int bytes = 0;
2353 bits = MSG_ReadByte(&cl_message);
2354 if (bits & E5_EXTEND1)
2355 {
2356 bits |= MSG_ReadByte(&cl_message) << 8;
2357 if (bits & E5_EXTEND2)
2358 {
2359 bits |= MSG_ReadByte(&cl_message) << 16;
2360 if (bits & E5_EXTEND3)
2361 bits |= MSG_ReadByte(&cl_message) << 24;
2362 }
2363 }
2364 if (bits & E5_FULLUPDATE)
2365 {
2366 *s = defaultstate;
2367 s->active = ACTIVE_NETWORK;
2368 }
2369 if (bits & E5_FLAGS)
2370 s->flags = MSG_ReadByte(&cl_message);
2371 if (bits & E5_ORIGIN)
2372 {
2373 if (bits & E5_ORIGIN32)
2374 {
2375 s->origin[0] = MSG_ReadCoord32f(&cl_message);
2376 s->origin[1] = MSG_ReadCoord32f(&cl_message);
2377 s->origin[2] = MSG_ReadCoord32f(&cl_message);
2378 }
2379 else
2380 {
2381 s->origin[0] = MSG_ReadCoord13i(&cl_message);
2382 s->origin[1] = MSG_ReadCoord13i(&cl_message);
2383 s->origin[2] = MSG_ReadCoord13i(&cl_message);
2384 }
2385 }
2386 if (bits & E5_ANGLES)
2387 {
2388 if (bits & E5_ANGLES16)
2389 {
2390 s->angles[0] = MSG_ReadAngle16i(&cl_message);
2391 s->angles[1] = MSG_ReadAngle16i(&cl_message);
2392 s->angles[2] = MSG_ReadAngle16i(&cl_message);
2393 }
2394 else
2395 {
2396 s->angles[0] = MSG_ReadAngle8i(&cl_message);
2397 s->angles[1] = MSG_ReadAngle8i(&cl_message);
2398 s->angles[2] = MSG_ReadAngle8i(&cl_message);
2399 }
2400 }
2401 if (bits & E5_MODEL)
2402 {
2403 if (bits & E5_MODEL16)
2404 s->modelindex = (unsigned short) MSG_ReadShort(&cl_message);
2405 else
2406 s->modelindex = MSG_ReadByte(&cl_message);
2407 }
2408 if (bits & E5_FRAME)
2409 {
2410 if (bits & E5_FRAME16)
2411 s->frame = (unsigned short) MSG_ReadShort(&cl_message);
2412 else
2413 s->frame = MSG_ReadByte(&cl_message);
2414 }
2415 if (bits & E5_SKIN)
2416 s->skin = MSG_ReadByte(&cl_message);
2417 if (bits & E5_EFFECTS)
2418 {
2419 if (bits & E5_EFFECTS32)
2420 s->effects = (unsigned int) MSG_ReadLong(&cl_message);
2421 else if (bits & E5_EFFECTS16)
2422 s->effects = (unsigned short) MSG_ReadShort(&cl_message);
2423 else
2424 s->effects = MSG_ReadByte(&cl_message);
2425 }
2426 if (bits & E5_ALPHA)
2427 s->alpha = MSG_ReadByte(&cl_message);
2428 if (bits & E5_SCALE)
2429 s->scale = MSG_ReadByte(&cl_message);
2430 if (bits & E5_COLORMAP)
2431 s->colormap = MSG_ReadByte(&cl_message);
2432 if (bits & E5_ATTACHMENT)
2433 {
2434 s->tagentity = (unsigned short) MSG_ReadShort(&cl_message);
2435 s->tagindex = MSG_ReadByte(&cl_message);
2436 }
2437 if (bits & E5_LIGHT)
2438 {
2439 s->light[0] = (unsigned short) MSG_ReadShort(&cl_message);
2440 s->light[1] = (unsigned short) MSG_ReadShort(&cl_message);
2441 s->light[2] = (unsigned short) MSG_ReadShort(&cl_message);
2442 s->light[3] = (unsigned short) MSG_ReadShort(&cl_message);
2443 s->lightstyle = MSG_ReadByte(&cl_message);
2444 s->lightpflags = MSG_ReadByte(&cl_message);
2445 }
2446 if (bits & E5_GLOW)
2447 {
2448 s->glowsize = MSG_ReadByte(&cl_message);
2449 s->glowcolor = MSG_ReadByte(&cl_message);
2450 }
2451 if (bits & E5_COLORMOD)
2452 {
2453 s->colormod[0] = MSG_ReadByte(&cl_message);
2454 s->colormod[1] = MSG_ReadByte(&cl_message);
2455 s->colormod[2] = MSG_ReadByte(&cl_message);
2456 }
2457 if (bits & E5_GLOWMOD)
2458 {
2459 s->glowmod[0] = MSG_ReadByte(&cl_message);
2460 s->glowmod[1] = MSG_ReadByte(&cl_message);
2461 s->glowmod[2] = MSG_ReadByte(&cl_message);
2462 }
2463 if (bits & E5_COMPLEXANIMATION)
2464 {
2465 skeleton_t *skeleton;
2466 const dp_model_t *model;
2467 int modelindex;
2468 int type;
2469 int bonenum;
2470 int numbones;
2471 short pose7s[7];
2472 type = MSG_ReadByte(&cl_message);
2473 switch(type)
2474 {
2475 case 0:
2476 s->framegroupblend[0].frame = MSG_ReadShort(&cl_message);
2477 s->framegroupblend[1].frame = 0;
2478 s->framegroupblend[2].frame = 0;
2479 s->framegroupblend[3].frame = 0;
2480 s->framegroupblend[0].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2481 s->framegroupblend[1].start = 0;
2482 s->framegroupblend[2].start = 0;
2483 s->framegroupblend[3].start = 0;
2484 s->framegroupblend[0].lerp = 1;
2485 s->framegroupblend[1].lerp = 0;
2486 s->framegroupblend[2].lerp = 0;
2487 s->framegroupblend[3].lerp = 0;
2488 break;
2489 case 1:
2490 s->framegroupblend[0].frame = MSG_ReadShort(&cl_message);
2491 s->framegroupblend[1].frame = MSG_ReadShort(&cl_message);
2492 s->framegroupblend[2].frame = 0;
2493 s->framegroupblend[3].frame = 0;
2494 s->framegroupblend[0].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2495 s->framegroupblend[1].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2496 s->framegroupblend[2].start = 0;
2497 s->framegroupblend[3].start = 0;
2498 s->framegroupblend[0].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2499 s->framegroupblend[1].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2500 s->framegroupblend[2].lerp = 0;
2501 s->framegroupblend[3].lerp = 0;
2502 break;
2503 case 2:
2504 s->framegroupblend[0].frame = MSG_ReadShort(&cl_message);
2505 s->framegroupblend[1].frame = MSG_ReadShort(&cl_message);
2506 s->framegroupblend[2].frame = MSG_ReadShort(&cl_message);
2507 s->framegroupblend[3].frame = 0;
2508 s->framegroupblend[0].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2509 s->framegroupblend[1].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2510 s->framegroupblend[2].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2511 s->framegroupblend[3].start = 0;
2512 s->framegroupblend[0].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2513 s->framegroupblend[1].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2514 s->framegroupblend[2].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2515 s->framegroupblend[3].lerp = 0;
2516 break;
2517 case 3:
2518 s->framegroupblend[0].frame = MSG_ReadShort(&cl_message);
2519 s->framegroupblend[1].frame = MSG_ReadShort(&cl_message);
2520 s->framegroupblend[2].frame = MSG_ReadShort(&cl_message);
2521 s->framegroupblend[3].frame = MSG_ReadShort(&cl_message);
2522 s->framegroupblend[0].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2523 s->framegroupblend[1].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2524 s->framegroupblend[2].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2525 s->framegroupblend[3].start = cl.time - (unsigned short)MSG_ReadShort(&cl_message) * (1.0f / 1000.0f);
2526 s->framegroupblend[0].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2527 s->framegroupblend[1].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2528 s->framegroupblend[2].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2529 s->framegroupblend[3].lerp = MSG_ReadByte(&cl_message) * (1.0f / 255.0f);
2530 break;
2531 case 4:
2532 if (!cl.engineskeletonobjects)
2533 cl.engineskeletonobjects = (skeleton_t *) Mem_Alloc(cls.levelmempool, sizeof(*cl.engineskeletonobjects) * MAX_EDICTS);
2534 skeleton = &cl.engineskeletonobjects[number];
2535 modelindex = MSG_ReadShort(&cl_message);
2536 model = CL_GetModelByIndex(modelindex);
2537 numbones = MSG_ReadByte(&cl_message);
2538 if (model && numbones != model->num_bones)
2539 Host_Error("E5_COMPLEXANIMATION: model has different number of bones than network packet describes\n");
2540 if (!skeleton->relativetransforms || skeleton->model != model)
2541 {
2542 skeleton->model = model;
2543 skeleton->relativetransforms = (matrix4x4_t *) Mem_Realloc(cls.levelmempool, skeleton->relativetransforms, sizeof(*skeleton->relativetransforms) * numbones);
2544 for (bonenum = 0;bonenum < numbones;bonenum++)
2545 skeleton->relativetransforms[bonenum] = identitymatrix;
2546 }
2547 for (bonenum = 0;bonenum < numbones;bonenum++)
2548 {
2549 pose7s[0] = (short)MSG_ReadShort(&cl_message);
2550 pose7s[1] = (short)MSG_ReadShort(&cl_message);
2551 pose7s[2] = (short)MSG_ReadShort(&cl_message);
2552 pose7s[3] = (short)MSG_ReadShort(&cl_message);
2553 pose7s[4] = (short)MSG_ReadShort(&cl_message);
2554 pose7s[5] = (short)MSG_ReadShort(&cl_message);
2555 pose7s[6] = (short)MSG_ReadShort(&cl_message);
2556 Matrix4x4_FromBonePose7s(skeleton->relativetransforms + bonenum, 1.0f / 64.0f, pose7s);
2557 }
2558 s->skeletonobject = *skeleton;
2559 break;
2560 default:
2561 Host_Error("E5_COMPLEXANIMATION: Parse error - unknown type %i\n", type);
2562 break;
2563 }
2564 }
2565 if (bits & E5_TRAILEFFECTNUM)
2566 s->traileffectnum = (unsigned short) MSG_ReadShort(&cl_message);
2567
2568
2569 bytes = cl_message.readcount - startoffset;
2570 if (developer_networkentities.integer >= 2)
2571 {
2572 Con_Printf("ReadFields e%i (%i bytes)", number, bytes);
2573
2574 if (bits & E5_ORIGIN)
2575 Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]);
2576 if (bits & E5_ANGLES)
2577 Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]);
2578 if (bits & E5_MODEL)
2579 Con_Printf(" E5_MODEL %i", s->modelindex);
2580 if (bits & E5_FRAME)
2581 Con_Printf(" E5_FRAME %i", s->frame);
2582 if (bits & E5_SKIN)
2583 Con_Printf(" E5_SKIN %i", s->skin);
2584 if (bits & E5_EFFECTS)
2585 Con_Printf(" E5_EFFECTS %i", s->effects);
2586 if (bits & E5_FLAGS)
2587 {
2588 Con_Printf(" E5_FLAGS %i (", s->flags);
2589 if (s->flags & RENDER_STEP)
2590 Con_Print(" STEP");
2591 if (s->flags & RENDER_GLOWTRAIL)
2592 Con_Print(" GLOWTRAIL");
2593 if (s->flags & RENDER_VIEWMODEL)
2594 Con_Print(" VIEWMODEL");
2595 if (s->flags & RENDER_EXTERIORMODEL)
2596 Con_Print(" EXTERIORMODEL");
2597 if (s->flags & RENDER_LOWPRECISION)
2598 Con_Print(" LOWPRECISION");
2599 if (s->flags & RENDER_COLORMAPPED)
2600 Con_Print(" COLORMAPPED");
2601 if (s->flags & RENDER_SHADOW)
2602 Con_Print(" SHADOW");
2603 if (s->flags & RENDER_LIGHT)
2604 Con_Print(" LIGHT");
2605 if (s->flags & RENDER_NOSELFSHADOW)
2606 Con_Print(" NOSELFSHADOW");
2607 Con_Print(")");
2608 }
2609 if (bits & E5_ALPHA)
2610 Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f);
2611 if (bits & E5_SCALE)
2612 Con_Printf(" E5_SCALE %f", s->scale / 16.0f);
2613 if (bits & E5_COLORMAP)
2614 Con_Printf(" E5_COLORMAP %i", s->colormap);
2615 if (bits & E5_ATTACHMENT)
2616 Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex);
2617 if (bits & E5_LIGHT)
2618 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);
2619 if (bits & E5_GLOW)
2620 Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor);
2621 if (bits & E5_COLORMOD)
2622 Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f);
2623 if (bits & E5_GLOWMOD)
2624 Con_Printf(" E5_GLOWMOD %f:%f:%f", s->glowmod[0] / 32.0f, s->glowmod[1] / 32.0f, s->glowmod[2] / 32.0f);
2625 if (bits & E5_COMPLEXANIMATION)
2626 Con_Printf(" E5_COMPLEXANIMATION");
2627 if (bits & E5_TRAILEFFECTNUM)
2628 Con_Printf(" E5_TRAILEFFECTNUM %i", s->traileffectnum);
2629 Con_Print("\n");
2630 }
2631 }
2632
EntityState5_DeltaBits(const entity_state_t * o,const entity_state_t * n)2633 static int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
2634 {
2635 unsigned int bits = 0;
2636 if (n->active == ACTIVE_NETWORK)
2637 {
2638 if (o->active != ACTIVE_NETWORK)
2639 bits |= E5_FULLUPDATE;
2640 if (!VectorCompare(o->origin, n->origin))
2641 bits |= E5_ORIGIN;
2642 if (!VectorCompare(o->angles, n->angles))
2643 bits |= E5_ANGLES;
2644 if (o->modelindex != n->modelindex)
2645 bits |= E5_MODEL;
2646 if (o->frame != n->frame)
2647 bits |= E5_FRAME;
2648 if (o->skin != n->skin)
2649 bits |= E5_SKIN;
2650 if (o->effects != n->effects)
2651 bits |= E5_EFFECTS;
2652 if (o->flags != n->flags)
2653 bits |= E5_FLAGS;
2654 if (o->alpha != n->alpha)
2655 bits |= E5_ALPHA;
2656 if (o->scale != n->scale)
2657 bits |= E5_SCALE;
2658 if (o->colormap != n->colormap)
2659 bits |= E5_COLORMAP;
2660 if (o->tagentity != n->tagentity || o->tagindex != n->tagindex)
2661 bits |= E5_ATTACHMENT;
2662 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)
2663 bits |= E5_LIGHT;
2664 if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor)
2665 bits |= E5_GLOW;
2666 if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2])
2667 bits |= E5_COLORMOD;
2668 if (o->glowmod[0] != n->glowmod[0] || o->glowmod[1] != n->glowmod[1] || o->glowmod[2] != n->glowmod[2])
2669 bits |= E5_GLOWMOD;
2670 if (n->flags & RENDER_COMPLEXANIMATION)
2671 {
2672 if ((o->skeletonobject.model && o->skeletonobject.relativetransforms) != (n->skeletonobject.model && n->skeletonobject.relativetransforms))
2673 {
2674 bits |= E5_COMPLEXANIMATION;
2675 }
2676 else if (o->skeletonobject.model && o->skeletonobject.relativetransforms)
2677 {
2678 if(o->modelindex != n->modelindex)
2679 bits |= E5_COMPLEXANIMATION;
2680 else if(o->skeletonobject.model->num_bones != n->skeletonobject.model->num_bones)
2681 bits |= E5_COMPLEXANIMATION;
2682 else if(memcmp(o->skeletonobject.relativetransforms, n->skeletonobject.relativetransforms, o->skeletonobject.model->num_bones * sizeof(*o->skeletonobject.relativetransforms)))
2683 bits |= E5_COMPLEXANIMATION;
2684 }
2685 else if (memcmp(o->framegroupblend, n->framegroupblend, sizeof(o->framegroupblend)))
2686 {
2687 bits |= E5_COMPLEXANIMATION;
2688 }
2689 }
2690 if (o->traileffectnum != n->traileffectnum)
2691 bits |= E5_TRAILEFFECTNUM;
2692 }
2693 else
2694 if (o->active == ACTIVE_NETWORK)
2695 bits |= E5_FULLUPDATE;
2696 return bits;
2697 }
2698
EntityFrame5_CL_ReadFrame(void)2699 void EntityFrame5_CL_ReadFrame(void)
2700 {
2701 int n, enumber, framenum;
2702 entity_t *ent;
2703 entity_state_t *s;
2704 // read the number of this frame to echo back in next input packet
2705 framenum = MSG_ReadLong(&cl_message);
2706 CL_NewFrameReceived(framenum);
2707 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)
2708 cls.servermovesequence = MSG_ReadLong(&cl_message);
2709 // read entity numbers until we find a 0x8000
2710 // (which would be remove world entity, but is actually a terminator)
2711 while ((n = (unsigned short)MSG_ReadShort(&cl_message)) != 0x8000 && !cl_message.badread)
2712 {
2713 // get the entity number
2714 enumber = n & 0x7FFF;
2715 // we may need to expand the array
2716 if (cl.num_entities <= enumber)
2717 {
2718 cl.num_entities = enumber + 1;
2719 if (enumber >= cl.max_entities)
2720 CL_ExpandEntities(enumber);
2721 }
2722 // look up the entity
2723 ent = cl.entities + enumber;
2724 // slide the current into the previous slot
2725 ent->state_previous = ent->state_current;
2726 // read the update
2727 s = &ent->state_current;
2728 if (n & 0x8000)
2729 {
2730 // remove entity
2731 *s = defaultstate;
2732 }
2733 else
2734 {
2735 // update entity
2736 EntityState5_ReadUpdate(s, enumber);
2737 }
2738 // set the cl.entities_active flag
2739 cl.entities_active[enumber] = (s->active == ACTIVE_NETWORK);
2740 // set the update time
2741 s->time = cl.mtime[0];
2742 // fix the number (it gets wiped occasionally by copying from defaultstate)
2743 s->number = enumber;
2744 // check if we need to update the lerp stuff
2745 if (s->active == ACTIVE_NETWORK)
2746 CL_MoveLerpEntityStates(&cl.entities[enumber]);
2747 // print extra messages if desired
2748 if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
2749 {
2750 if (cl.entities[enumber].state_current.active == ACTIVE_NETWORK)
2751 Con_Printf("entity #%i has become active\n", enumber);
2752 else if (cl.entities[enumber].state_previous.active)
2753 Con_Printf("entity #%i has become inactive\n", enumber);
2754 }
2755 }
2756 }
2757
packetlog5cmp(const void * a_,const void * b_)2758 static int packetlog5cmp(const void *a_, const void *b_)
2759 {
2760 const entityframe5_packetlog_t *a = (const entityframe5_packetlog_t *) a_;
2761 const entityframe5_packetlog_t *b = (const entityframe5_packetlog_t *) b_;
2762 return a->packetnumber - b->packetnumber;
2763 }
2764
EntityFrame5_LostFrame(entityframe5_database_t * d,int framenum)2765 void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
2766 {
2767 int i, j, l, bits;
2768 entityframe5_changestate_t *s;
2769 entityframe5_packetlog_t *p;
2770 static unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
2771 static int deltabits[MAX_EDICTS];
2772 entityframe5_packetlog_t *packetlogs[ENTITYFRAME5_MAXPACKETLOGS];
2773
2774 for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
2775 packetlogs[i] = p;
2776 qsort(packetlogs, sizeof(*packetlogs), ENTITYFRAME5_MAXPACKETLOGS, packetlog5cmp);
2777
2778 memset(deltabits, 0, sizeof(deltabits));
2779 memset(statsdeltabits, 0, sizeof(statsdeltabits));
2780 for (i = 0; i < ENTITYFRAME5_MAXPACKETLOGS; i++)
2781 {
2782 p = packetlogs[i];
2783
2784 if (!p->packetnumber)
2785 continue;
2786
2787 if (p->packetnumber <= framenum)
2788 {
2789 for (j = 0, s = p->states;j < p->numstates;j++, s++)
2790 deltabits[s->number] |= s->bits;
2791
2792 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2793 statsdeltabits[l] |= p->statsdeltabits[l];
2794
2795 p->packetnumber = 0;
2796 }
2797 else
2798 {
2799 for (j = 0, s = p->states;j < p->numstates;j++, s++)
2800 deltabits[s->number] &= ~s->bits;
2801 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2802 statsdeltabits[l] &= ~p->statsdeltabits[l];
2803 }
2804 }
2805
2806 for(i = 0; i < d->maxedicts; ++i)
2807 {
2808 bits = deltabits[i] & ~d->deltabits[i];
2809 if(bits)
2810 {
2811 d->deltabits[i] |= bits;
2812 // if it was a very important update, set priority higher
2813 if (bits & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_COLORMAP))
2814 d->priorities[i] = max(d->priorities[i], 4);
2815 else
2816 d->priorities[i] = max(d->priorities[i], 1);
2817 }
2818 }
2819
2820 for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
2821 host_client->statsdeltabits[l] |= statsdeltabits[l];
2822 // no need to mask out the already-set bits here, as we do not
2823 // do that priorities stuff
2824 }
2825
EntityFrame5_AckFrame(entityframe5_database_t * d,int framenum)2826 void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
2827 {
2828 int i;
2829 // scan for packets made obsolete by this ack and delete them
2830 for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++)
2831 if (d->packetlog[i].packetnumber <= framenum)
2832 d->packetlog[i].packetnumber = 0;
2833 }
2834
EntityFrame5_WriteFrame(sizebuf_t * msg,int maxsize,entityframe5_database_t * d,int numstates,const entity_state_t ** states,int viewentnum,unsigned int movesequence,qboolean need_empty)2835 qboolean EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_t *d, int numstates, const entity_state_t **states, int viewentnum, unsigned int movesequence, qboolean need_empty)
2836 {
2837 prvm_prog_t *prog = SVVM_prog;
2838 const entity_state_t *n;
2839 int i, num, l, framenum, packetlognumber, priority;
2840 sizebuf_t buf;
2841 unsigned char data[128];
2842 entityframe5_packetlog_t *packetlog;
2843
2844 if (prog->max_edicts > d->maxedicts)
2845 EntityFrame5_ExpandEdicts(d, prog->max_edicts);
2846
2847 framenum = d->latestframenum + 1;
2848 d->viewentnum = viewentnum;
2849
2850 // if packet log is full, mark all frames as lost, this will cause
2851 // it to send the lost data again
2852 for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++)
2853 if (d->packetlog[packetlognumber].packetnumber == 0)
2854 break;
2855 if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
2856 {
2857 Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
2858 EntityFrame5_LostFrame(d, framenum);
2859 packetlognumber = 0;
2860 }
2861
2862 // prepare the buffer
2863 memset(&buf, 0, sizeof(buf));
2864 buf.data = data;
2865 buf.maxsize = sizeof(data);
2866
2867 // detect changes in states
2868 num = 1;
2869 for (i = 0;i < numstates;i++)
2870 {
2871 n = states[i];
2872 // mark gaps in entity numbering as removed entities
2873 for (;num < n->number;num++)
2874 {
2875 // if the entity used to exist, clear it
2876 if (CHECKPVSBIT(d->visiblebits, num))
2877 {
2878 CLEARPVSBIT(d->visiblebits, num);
2879 d->deltabits[num] = E5_FULLUPDATE;
2880 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2881 d->states[num] = defaultstate;
2882 d->states[num].number = num;
2883 }
2884 }
2885 // update the entity state data
2886 if (!CHECKPVSBIT(d->visiblebits, num))
2887 {
2888 // entity just spawned in, don't let it completely hog priority
2889 // because of being ancient on the first frame
2890 d->updateframenum[num] = framenum;
2891 // initial priority is a bit high to make projectiles send on the
2892 // first frame, among other things
2893 d->priorities[num] = max(d->priorities[num], 4);
2894 }
2895 SETPVSBIT(d->visiblebits, num);
2896 d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n);
2897 d->priorities[num] = max(d->priorities[num], 1);
2898 d->states[num] = *n;
2899 d->states[num].number = num;
2900 // advance to next entity so the next iteration doesn't immediately remove it
2901 num++;
2902 }
2903 // all remaining entities are dead
2904 for (;num < d->maxedicts;num++)
2905 {
2906 if (CHECKPVSBIT(d->visiblebits, num))
2907 {
2908 CLEARPVSBIT(d->visiblebits, num);
2909 d->deltabits[num] = E5_FULLUPDATE;
2910 d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
2911 d->states[num] = defaultstate;
2912 d->states[num].number = num;
2913 }
2914 }
2915
2916 // if there isn't at least enough room for an empty svc_entities,
2917 // don't bother trying...
2918 if (buf.cursize + 11 > buf.maxsize)
2919 return false;
2920
2921 // build lists of entities by priority level
2922 memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
2923 l = 0;
2924 for (num = 0;num < d->maxedicts;num++)
2925 {
2926 if (d->priorities[num])
2927 {
2928 if (d->deltabits[num])
2929 {
2930 if (d->priorities[num] < (ENTITYFRAME5_PRIORITYLEVELS - 1))
2931 d->priorities[num] = EntityState5_Priority(d, num);
2932 l = num;
2933 priority = d->priorities[num];
2934 if (d->prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES)
2935 d->prioritychains[priority][d->prioritychaincounts[priority]++] = num;
2936 }
2937 else
2938 d->priorities[num] = 0;
2939 }
2940 }
2941
2942 packetlog = NULL;
2943 // write stat updates
2944 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)
2945 {
2946 for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= maxsize;i++)
2947 {
2948 if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
2949 {
2950 host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
2951 // add packetlog entry now that we have something for it
2952 if (!packetlog)
2953 {
2954 packetlog = d->packetlog + packetlognumber;
2955 packetlog->packetnumber = framenum;
2956 packetlog->numstates = 0;
2957 memset(packetlog->statsdeltabits, 0, sizeof(packetlog->statsdeltabits));
2958 }
2959 packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
2960 if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
2961 {
2962 MSG_WriteByte(msg, svc_updatestatubyte);
2963 MSG_WriteByte(msg, i);
2964 MSG_WriteByte(msg, host_client->stats[i]);
2965 l = 1;
2966 }
2967 else
2968 {
2969 MSG_WriteByte(msg, svc_updatestat);
2970 MSG_WriteByte(msg, i);
2971 MSG_WriteLong(msg, host_client->stats[i]);
2972 l = 1;
2973 }
2974 }
2975 }
2976 }
2977
2978 // only send empty svc_entities frame if needed
2979 if(!l && !need_empty)
2980 return false;
2981
2982 // add packetlog entry now that we have something for it
2983 if (!packetlog)
2984 {
2985 packetlog = d->packetlog + packetlognumber;
2986 packetlog->packetnumber = framenum;
2987 packetlog->numstates = 0;
2988 memset(packetlog->statsdeltabits, 0, sizeof(packetlog->statsdeltabits));
2989 }
2990
2991 // write state updates
2992 if (developer_networkentities.integer >= 10)
2993 Con_Printf("send: svc_entities %i\n", framenum);
2994 d->latestframenum = framenum;
2995 MSG_WriteByte(msg, svc_entities);
2996 MSG_WriteLong(msg, framenum);
2997 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)
2998 MSG_WriteLong(msg, movesequence);
2999 for (priority = ENTITYFRAME5_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
3000 {
3001 for (i = 0;i < d->prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
3002 {
3003 num = d->prioritychains[priority][i];
3004 n = d->states + num;
3005 if (d->deltabits[num] & E5_FULLUPDATE)
3006 d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n);
3007 buf.cursize = 0;
3008 EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf);
3009 // if the entity won't fit, try the next one
3010 if (msg->cursize + buf.cursize + 2 > maxsize)
3011 continue;
3012 // write entity to the packet
3013 SZ_Write(msg, buf.data, buf.cursize);
3014 // mark age on entity for prioritization
3015 d->updateframenum[num] = framenum;
3016 // log entity so deltabits can be restored later if lost
3017 packetlog->states[packetlog->numstates].number = num;
3018 packetlog->states[packetlog->numstates].bits = d->deltabits[num];
3019 packetlog->numstates++;
3020 // clear deltabits and priority so it won't be sent again
3021 d->deltabits[num] = 0;
3022 d->priorities[num] = 0;
3023 }
3024 }
3025 MSG_WriteShort(msg, 0x8000);
3026
3027 return true;
3028 }
3029
3030
QW_TranslateEffects(entity_state_t * s,int qweffects)3031 static void QW_TranslateEffects(entity_state_t *s, int qweffects)
3032 {
3033 s->effects = 0;
3034 s->internaleffects = 0;
3035 if (qweffects & QW_EF_BRIGHTFIELD)
3036 s->effects |= EF_BRIGHTFIELD;
3037 if (qweffects & QW_EF_MUZZLEFLASH)
3038 s->effects |= EF_MUZZLEFLASH;
3039 if (qweffects & QW_EF_FLAG1)
3040 {
3041 // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
3042 if (s->number > cl.maxclients)
3043 s->effects |= EF_NODRAW;
3044 else
3045 s->internaleffects |= INTEF_FLAG1QW;
3046 }
3047 if (qweffects & QW_EF_FLAG2)
3048 {
3049 // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
3050 if (s->number > cl.maxclients)
3051 s->effects |= EF_ADDITIVE;
3052 else
3053 s->internaleffects |= INTEF_FLAG2QW;
3054 }
3055 if (qweffects & QW_EF_RED)
3056 {
3057 if (qweffects & QW_EF_BLUE)
3058 s->effects |= EF_RED | EF_BLUE;
3059 else
3060 s->effects |= EF_RED;
3061 }
3062 else if (qweffects & QW_EF_BLUE)
3063 s->effects |= EF_BLUE;
3064 else if (qweffects & QW_EF_BRIGHTLIGHT)
3065 s->effects |= EF_BRIGHTLIGHT;
3066 else if (qweffects & QW_EF_DIMLIGHT)
3067 s->effects |= EF_DIMLIGHT;
3068 }
3069
EntityStateQW_ReadPlayerUpdate(void)3070 void EntityStateQW_ReadPlayerUpdate(void)
3071 {
3072 int slot = MSG_ReadByte(&cl_message);
3073 int enumber = slot + 1;
3074 int weaponframe;
3075 int msec;
3076 int playerflags;
3077 int bits;
3078 entity_state_t *s;
3079 // look up the entity
3080 entity_t *ent = cl.entities + enumber;
3081 vec3_t viewangles;
3082 vec3_t velocity;
3083
3084 // slide the current state into the previous
3085 ent->state_previous = ent->state_current;
3086
3087 // read the update
3088 s = &ent->state_current;
3089 *s = defaultstate;
3090 s->active = ACTIVE_NETWORK;
3091 s->number = enumber;
3092 s->colormap = enumber;
3093 playerflags = MSG_ReadShort(&cl_message);
3094 MSG_ReadVector(&cl_message, s->origin, cls.protocol);
3095 s->frame = MSG_ReadByte(&cl_message);
3096
3097 VectorClear(viewangles);
3098 VectorClear(velocity);
3099
3100 if (playerflags & QW_PF_MSEC)
3101 {
3102 // time difference between last update this player sent to the server,
3103 // and last input we sent to the server (this packet is in response to
3104 // our input, so msec is how long ago the last update of this player
3105 // entity occurred, compared to our input being received)
3106 msec = MSG_ReadByte(&cl_message);
3107 }
3108 else
3109 msec = 0;
3110 if (playerflags & QW_PF_COMMAND)
3111 {
3112 bits = MSG_ReadByte(&cl_message);
3113 if (bits & QW_CM_ANGLE1)
3114 viewangles[0] = MSG_ReadAngle16i(&cl_message); // cmd->angles[0]
3115 if (bits & QW_CM_ANGLE2)
3116 viewangles[1] = MSG_ReadAngle16i(&cl_message); // cmd->angles[1]
3117 if (bits & QW_CM_ANGLE3)
3118 viewangles[2] = MSG_ReadAngle16i(&cl_message); // cmd->angles[2]
3119 if (bits & QW_CM_FORWARD)
3120 MSG_ReadShort(&cl_message); // cmd->forwardmove
3121 if (bits & QW_CM_SIDE)
3122 MSG_ReadShort(&cl_message); // cmd->sidemove
3123 if (bits & QW_CM_UP)
3124 MSG_ReadShort(&cl_message); // cmd->upmove
3125 if (bits & QW_CM_BUTTONS)
3126 (void) MSG_ReadByte(&cl_message); // cmd->buttons
3127 if (bits & QW_CM_IMPULSE)
3128 (void) MSG_ReadByte(&cl_message); // cmd->impulse
3129 (void) MSG_ReadByte(&cl_message); // cmd->msec
3130 }
3131 if (playerflags & QW_PF_VELOCITY1)
3132 velocity[0] = MSG_ReadShort(&cl_message);
3133 if (playerflags & QW_PF_VELOCITY2)
3134 velocity[1] = MSG_ReadShort(&cl_message);
3135 if (playerflags & QW_PF_VELOCITY3)
3136 velocity[2] = MSG_ReadShort(&cl_message);
3137 if (playerflags & QW_PF_MODEL)
3138 s->modelindex = MSG_ReadByte(&cl_message);
3139 else
3140 s->modelindex = cl.qw_modelindex_player;
3141 if (playerflags & QW_PF_SKINNUM)
3142 s->skin = MSG_ReadByte(&cl_message);
3143 if (playerflags & QW_PF_EFFECTS)
3144 QW_TranslateEffects(s, MSG_ReadByte(&cl_message));
3145 if (playerflags & QW_PF_WEAPONFRAME)
3146 weaponframe = MSG_ReadByte(&cl_message);
3147 else
3148 weaponframe = 0;
3149
3150 if (enumber == cl.playerentity)
3151 {
3152 // if this is an update on our player, update the angles
3153 VectorCopy(cl.viewangles, viewangles);
3154 }
3155
3156 // calculate the entity angles from the viewangles
3157 s->angles[0] = viewangles[0] * -0.0333;
3158 s->angles[1] = viewangles[1];
3159 s->angles[2] = 0;
3160 s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
3161
3162 // if this is an update on our player, update interpolation state
3163 if (enumber == cl.playerentity)
3164 {
3165 VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
3166 VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
3167 VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
3168 cl.mviewzoom[1] = cl.mviewzoom[0];
3169
3170 cl.idealpitch = 0;
3171 cl.mpunchangle[0][0] = 0;
3172 cl.mpunchangle[0][1] = 0;
3173 cl.mpunchangle[0][2] = 0;
3174 cl.mpunchvector[0][0] = 0;
3175 cl.mpunchvector[0][1] = 0;
3176 cl.mpunchvector[0][2] = 0;
3177 cl.mvelocity[0][0] = 0;
3178 cl.mvelocity[0][1] = 0;
3179 cl.mvelocity[0][2] = 0;
3180 cl.mviewzoom[0] = 1;
3181
3182 VectorCopy(velocity, cl.mvelocity[0]);
3183 cl.stats[STAT_WEAPONFRAME] = weaponframe;
3184 if (playerflags & QW_PF_GIB)
3185 cl.stats[STAT_VIEWHEIGHT] = 8;
3186 else if (playerflags & QW_PF_DEAD)
3187 cl.stats[STAT_VIEWHEIGHT] = -16;
3188 else
3189 cl.stats[STAT_VIEWHEIGHT] = 22;
3190 }
3191
3192 // set the cl.entities_active flag
3193 cl.entities_active[enumber] = (s->active == ACTIVE_NETWORK);
3194 // set the update time
3195 s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
3196 // check if we need to update the lerp stuff
3197 if (s->active == ACTIVE_NETWORK)
3198 CL_MoveLerpEntityStates(&cl.entities[enumber]);
3199 }
3200
EntityStateQW_ReadEntityUpdate(entity_state_t * s,int bits)3201 static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
3202 {
3203 int qweffects = 0;
3204 s->active = ACTIVE_NETWORK;
3205 s->number = bits & 511;
3206 bits &= ~511;
3207 if (bits & QW_U_MOREBITS)
3208 bits |= MSG_ReadByte(&cl_message);
3209
3210 // store the QW_U_SOLID bit here?
3211
3212 if (bits & QW_U_MODEL)
3213 s->modelindex = MSG_ReadByte(&cl_message);
3214 if (bits & QW_U_FRAME)
3215 s->frame = MSG_ReadByte(&cl_message);
3216 if (bits & QW_U_COLORMAP)
3217 s->colormap = MSG_ReadByte(&cl_message);
3218 if (bits & QW_U_SKIN)
3219 s->skin = MSG_ReadByte(&cl_message);
3220 if (bits & QW_U_EFFECTS)
3221 QW_TranslateEffects(s, qweffects = MSG_ReadByte(&cl_message));
3222 if (bits & QW_U_ORIGIN1)
3223 s->origin[0] = MSG_ReadCoord13i(&cl_message);
3224 if (bits & QW_U_ANGLE1)
3225 s->angles[0] = MSG_ReadAngle8i(&cl_message);
3226 if (bits & QW_U_ORIGIN2)
3227 s->origin[1] = MSG_ReadCoord13i(&cl_message);
3228 if (bits & QW_U_ANGLE2)
3229 s->angles[1] = MSG_ReadAngle8i(&cl_message);
3230 if (bits & QW_U_ORIGIN3)
3231 s->origin[2] = MSG_ReadCoord13i(&cl_message);
3232 if (bits & QW_U_ANGLE3)
3233 s->angles[2] = MSG_ReadAngle8i(&cl_message);
3234
3235 if (developer_networkentities.integer >= 2)
3236 {
3237 Con_Printf("ReadFields e%i", s->number);
3238 if (bits & QW_U_MODEL)
3239 Con_Printf(" U_MODEL %i", s->modelindex);
3240 if (bits & QW_U_FRAME)
3241 Con_Printf(" U_FRAME %i", s->frame);
3242 if (bits & QW_U_COLORMAP)
3243 Con_Printf(" U_COLORMAP %i", s->colormap);
3244 if (bits & QW_U_SKIN)
3245 Con_Printf(" U_SKIN %i", s->skin);
3246 if (bits & QW_U_EFFECTS)
3247 Con_Printf(" U_EFFECTS %i", qweffects);
3248 if (bits & QW_U_ORIGIN1)
3249 Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
3250 if (bits & QW_U_ANGLE1)
3251 Con_Printf(" U_ANGLE1 %f", s->angles[0]);
3252 if (bits & QW_U_ORIGIN2)
3253 Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
3254 if (bits & QW_U_ANGLE2)
3255 Con_Printf(" U_ANGLE2 %f", s->angles[1]);
3256 if (bits & QW_U_ORIGIN3)
3257 Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
3258 if (bits & QW_U_ANGLE3)
3259 Con_Printf(" U_ANGLE3 %f", s->angles[2]);
3260 if (bits & QW_U_SOLID)
3261 Con_Printf(" U_SOLID");
3262 Con_Print("\n");
3263 }
3264 }
3265
EntityFrameQW_AllocDatabase(mempool_t * pool)3266 entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
3267 {
3268 entityframeqw_database_t *d;
3269 d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
3270 return d;
3271 }
3272
EntityFrameQW_FreeDatabase(entityframeqw_database_t * d)3273 void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
3274 {
3275 Mem_Free(d);
3276 }
3277
EntityFrameQW_CL_ReadFrame(qboolean delta)3278 void EntityFrameQW_CL_ReadFrame(qboolean delta)
3279 {
3280 qboolean invalid = false;
3281 int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
3282 entity_t *ent;
3283 entityframeqw_database_t *d;
3284 entityframeqw_snapshot_t *oldsnap, *newsnap;
3285
3286 if (!cl.entitydatabaseqw)
3287 cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cls.levelmempool);
3288 d = cl.entitydatabaseqw;
3289
3290 // there is no cls.netcon in demos, so this reading code can't access
3291 // cls.netcon-> at all... so cls.qw_incoming_sequence and
3292 // cls.qw_outgoing_sequence are updated every time the corresponding
3293 // cls.netcon->qw. variables are updated
3294 // read the number of this frame to echo back in next input packet
3295 cl.qw_validsequence = cls.qw_incoming_sequence;
3296 newsnapindex = cl.qw_validsequence & QW_UPDATE_MASK;
3297 newsnap = d->snapshot + newsnapindex;
3298 memset(newsnap, 0, sizeof(*newsnap));
3299 oldsnap = NULL;
3300 if (delta)
3301 {
3302 number = MSG_ReadByte(&cl_message);
3303 oldsnapindex = cl.qw_deltasequence[newsnapindex];
3304 if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
3305 Con_DPrintf("WARNING: from mismatch\n");
3306 if (oldsnapindex != -1)
3307 {
3308 if (cls.qw_outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
3309 {
3310 Con_DPrintf("delta update too old\n");
3311 newsnap->invalid = invalid = true; // too old
3312 delta = false;
3313 }
3314 oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
3315 }
3316 else
3317 delta = false;
3318 }
3319
3320 // if we can't decode this frame properly, report that to the server
3321 if (invalid)
3322 cl.qw_validsequence = 0;
3323
3324 // read entity numbers until we find a 0x0000
3325 // (which would be an empty update on world entity, but is actually a terminator)
3326 newsnap->num_entities = 0;
3327 oldindex = 0;
3328 for (;;)
3329 {
3330 int word = (unsigned short)MSG_ReadShort(&cl_message);
3331 if (cl_message.badread)
3332 return; // just return, the main parser will print an error
3333 newnum = word == 0 ? 512 : (word & 511);
3334 oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
3335
3336 // copy unmodified oldsnap entities
3337 while (newnum > oldnum) // delta only
3338 {
3339 if (developer_networkentities.integer >= 2)
3340 Con_Printf("copy %i\n", oldnum);
3341 // copy one of the old entities
3342 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
3343 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
3344 newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
3345 newsnap->num_entities++;
3346 oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
3347 }
3348
3349 if (word == 0)
3350 break;
3351
3352 if (developer_networkentities.integer >= 2)
3353 {
3354 if (word & QW_U_REMOVE)
3355 Con_Printf("remove %i\n", newnum);
3356 else if (newnum == oldnum)
3357 Con_Printf("delta %i\n", newnum);
3358 else
3359 Con_Printf("baseline %i\n", newnum);
3360 }
3361
3362 if (word & QW_U_REMOVE)
3363 {
3364 if (newnum != oldnum && !delta && !invalid)
3365 {
3366 cl.qw_validsequence = 0;
3367 Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
3368 }
3369 }
3370 else
3371 {
3372 if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
3373 Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
3374 newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl.entities[newnum].state_baseline;
3375 EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
3376 newsnap->num_entities++;
3377 }
3378
3379 if (newnum == oldnum)
3380 oldindex++;
3381 }
3382
3383 // expand cl.num_entities to include every entity we've seen this game
3384 newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
3385 if (cl.num_entities <= newnum)
3386 {
3387 cl.num_entities = newnum + 1;
3388 if (cl.max_entities < newnum + 1)
3389 CL_ExpandEntities(newnum);
3390 }
3391
3392 // now update the non-player entities from the snapshot states
3393 number = cl.maxclients + 1;
3394 for (newindex = 0;;newindex++)
3395 {
3396 newnum = newindex >= newsnap->num_entities ? cl.num_entities : newsnap->entities[newindex].number;
3397 // kill any missing entities
3398 for (;number < newnum;number++)
3399 {
3400 if (cl.entities_active[number])
3401 {
3402 cl.entities_active[number] = false;
3403 cl.entities[number].state_current.active = ACTIVE_NOT;
3404 }
3405 }
3406 if (number >= cl.num_entities)
3407 break;
3408 // update the entity
3409 ent = &cl.entities[number];
3410 ent->state_previous = ent->state_current;
3411 ent->state_current = newsnap->entities[newindex];
3412 ent->state_current.time = cl.mtime[0];
3413 CL_MoveLerpEntityStates(ent);
3414 // the entity lives again...
3415 cl.entities_active[number] = true;
3416 number++;
3417 }
3418 }
3419