+// (server and client) reads a frame from the database
+void EntityFrame_FetchFrame(entityframe_database_t *d, int framenum, entity_frame_t *f)
+{
+ int i, n;
+ EntityFrame_Clear(f, NULL, -1);
+ for (i = 0;i < d->numframes && d->frames[i].framenum < framenum;i++);
+ if (i < d->numframes && framenum == d->frames[i].framenum)
+ {
+ f->framenum = framenum;
+ f->numentities = d->frames[i].endentity - d->frames[i].firstentity;
+ n = MAX_ENTITY_DATABASE - (d->frames[i].firstentity % MAX_ENTITY_DATABASE);
+ if (n > f->numentities)
+ n = f->numentities;
+ memcpy(f->entitydata, d->entitydata + d->frames[i].firstentity % MAX_ENTITY_DATABASE, sizeof(*f->entitydata) * n);
+ if (f->numentities > n)
+ memcpy(f->entitydata + n, d->entitydata, sizeof(*f->entitydata) * (f->numentities - n));
+ VectorCopy(d->eye, f->eye);
+ }
+}
+
+// (server and client) adds a entity_frame to the database, for future reference
+void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, int numentities, const entity_state_t *entitydata)
+{
+ int n, e;
+ entity_frameinfo_t *info;
+
+ VectorCopy(eye, d->eye);
+
+ // figure out how many entity slots are used already
+ if (d->numframes)
+ {
+ n = d->frames[d->numframes - 1].endentity - d->frames[0].firstentity;
+ if (n + numentities > MAX_ENTITY_DATABASE || d->numframes >= MAX_ENTITY_HISTORY)
+ {
+ // ran out of room, dump database
+ EntityFrame_ClearDatabase(d);
+ }
+ }
+
+ info = &d->frames[d->numframes];
+ info->framenum = framenum;
+ e = -1000;
+ // make sure we check the newly added frame as well, but we haven't incremented numframes yet
+ for (n = 0;n <= d->numframes;n++)
+ {
+ if (e >= d->frames[n].framenum)
+ {
+ if (e == framenum)
+ Con_Print("EntityFrame_AddFrame: tried to add out of sequence frame to database\n");
+ else
+ Con_Print("EntityFrame_AddFrame: out of sequence frames in database\n");
+ return;
+ }
+ e = d->frames[n].framenum;
+ }
+ // if database still has frames after that...
+ if (d->numframes)
+ info->firstentity = d->frames[d->numframes - 1].endentity;
+ else
+ info->firstentity = 0;
+ info->endentity = info->firstentity + numentities;
+ d->numframes++;
+
+ n = info->firstentity % MAX_ENTITY_DATABASE;
+ e = MAX_ENTITY_DATABASE - n;
+ if (e > numentities)
+ e = numentities;
+ memcpy(d->entitydata + n, entitydata, sizeof(entity_state_t) * e);
+ if (numentities > e)
+ memcpy(d->entitydata, entitydata + e, sizeof(entity_state_t) * (numentities - e));
+}
+
+// (server) writes a frame to network stream
+qboolean EntityFrame_WriteFrame(sizebuf_t *msg, int maxsize, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
+{
+ int i, onum, number;
+ entity_frame_t *o = &d->deltaframe;
+ const entity_state_t *ent, *delta;
+ vec3_t eye;
+ prvm_eval_t *val;
+
+ d->latestframenum++;
+
+ VectorClear(eye);
+ for (i = 0;i < numstates;i++)
+ {
+ if (states[i].number == viewentnum)
+ {
+ VectorSet(eye, states[i].origin[0], states[i].origin[1], states[i].origin[2] + 22);
+ break;
+ }
+ }
+
+ EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states);
+
+ EntityFrame_FetchFrame(d, d->ackframenum, o);
+
+ MSG_WriteByte (msg, svc_entities);
+ MSG_WriteLong (msg, o->framenum);
+ MSG_WriteLong (msg, d->latestframenum);
+ MSG_WriteFloat (msg, eye[0]);
+ MSG_WriteFloat (msg, eye[1]);
+ MSG_WriteFloat (msg, eye[2]);
+
+ onum = 0;
+ for (i = 0;i < numstates;i++)
+ {
+ ent = states + i;
+ number = ent->number;
+
+ val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
+ if(val && val->function)
+ continue;
+ for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
+ {
+ // write remove message
+ MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
+ }
+ if (onum < o->numentities && (o->entitydata[onum].number == number))
+ {
+ // delta from previous frame
+ delta = o->entitydata + onum;
+ // advance to next entity in delta frame
+ onum++;
+ }
+ else
+ {
+ // delta from defaults
+ delta = &defaultstate;
+ }
+ EntityState_WriteUpdate(ent, msg, delta);
+ }
+ for (;onum < o->numentities;onum++)
+ {
+ // write remove message
+ MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
+ }
+ MSG_WriteShort(msg, 0xFFFF);
+
+ return true;
+}
+
+// (client) reads a frame from network stream
+void EntityFrame_CL_ReadFrame(void)
+{
+ int i, number, removed;
+ entity_frame_t *f, *delta;
+ entity_state_t *e, *old, *oldend;
+ entity_t *ent;
+ entityframe_database_t *d;
+ if (!cl.entitydatabase)
+ cl.entitydatabase = EntityFrame_AllocDatabase(cls.levelmempool);
+ d = cl.entitydatabase;
+ f = &d->framedata;
+ delta = &d->deltaframe;
+
+ EntityFrame_Clear(f, NULL, -1);
+
+ // read the frame header info
+ f->time = cl.mtime[0];
+ number = MSG_ReadLong();
+ for (i = 0;i < LATESTFRAMENUMS-1;i++)
+ cl.latestframenums[i] = cl.latestframenums[i+1];
+ cl.latestframenums[LATESTFRAMENUMS-1] = f->framenum = MSG_ReadLong();
+ f->eye[0] = MSG_ReadFloat();
+ f->eye[1] = MSG_ReadFloat();
+ f->eye[2] = MSG_ReadFloat();
+ EntityFrame_AckFrame(d, number);
+ EntityFrame_FetchFrame(d, number, delta);
+ old = delta->entitydata;
+ oldend = old + delta->numentities;
+ // read entities until we hit the magic 0xFFFF end tag
+ while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread)
+ {
+ if (msg_badread)
+ Host_Error("EntityFrame_Read: read error");
+ removed = number & 0x8000;
+ number &= 0x7FFF;
+ if (number >= MAX_EDICTS)
+ Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
+
+ // seek to entity, while copying any skipped entities (assume unchanged)
+ while (old < oldend && old->number < number)
+ {
+ if (f->numentities >= MAX_ENTITY_DATABASE)
+ Host_Error("EntityFrame_Read: entity list too big");
+ f->entitydata[f->numentities] = *old++;
+ f->entitydata[f->numentities++].time = cl.mtime[0];
+ }
+ if (removed)
+ {
+ if (old < oldend && old->number == number)
+ old++;
+ else
+ Con_Printf("EntityFrame_Read: REMOVE on unused entity %i\n", number);
+ }
+ else
+ {
+ if (f->numentities >= MAX_ENTITY_DATABASE)
+ Host_Error("EntityFrame_Read: entity list too big");
+
+ // reserve this slot
+ e = f->entitydata + f->numentities++;
+
+ if (old < oldend && old->number == number)
+ {
+ // delta from old entity
+ *e = *old++;
+ }
+ else
+ {
+ // delta from defaults
+ *e = defaultstate;
+ }
+
+ if (cl.num_entities <= number)
+ {
+ cl.num_entities = number + 1;
+ if (number >= cl.max_entities)
+ CL_ExpandEntities(number);
+ }
+ cl.entities_active[number] = true;
+ e->active = ACTIVE_NETWORK;
+ e->time = cl.mtime[0];
+ e->number = number;
+ EntityState_ReadFields(e, EntityState_ReadExtendBits());
+ }
+ }
+ while (old < oldend)
+ {
+ if (f->numentities >= MAX_ENTITY_DATABASE)
+ Host_Error("EntityFrame_Read: entity list too big");
+ f->entitydata[f->numentities] = *old++;
+ f->entitydata[f->numentities++].time = cl.mtime[0];
+ }
+ EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
+
+ memset(cl.entities_active, 0, cl.num_entities * sizeof(unsigned char));
+ number = 1;
+ for (i = 0;i < f->numentities;i++)
+ {
+ for (;number < f->entitydata[i].number && number < cl.num_entities;number++)
+ {
+ if (cl.entities_active[number])
+ {
+ cl.entities_active[number] = false;
+ cl.entities[number].state_current.active = ACTIVE_NOT;
+ }
+ }
+ if (number >= cl.num_entities)
+ break;
+ // update the entity
+ ent = &cl.entities[number];
+ ent->state_previous = ent->state_current;
+ ent->state_current = f->entitydata[i];
+ CL_MoveLerpEntityStates(ent);
+ // the entity lives again...
+ cl.entities_active[number] = true;
+ number++;
+ }
+ for (;number < cl.num_entities;number++)
+ {
+ if (cl.entities_active[number])
+ {
+ cl.entities_active[number] = false;
+ cl.entities[number].state_current.active = ACTIVE_NOT;
+ }
+ }
+}
+
+
+// (client) returns the frame number of the most recent frame recieved
+int EntityFrame_MostRecentlyRecievedFrameNum(entityframe_database_t *d)
+{
+ if (d->numframes)
+ return d->frames[d->numframes - 1].framenum;
+ else
+ return -1;
+}
+
+
+
+
+
+
+entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int number)
+{
+ if (d->maxreferenceentities <= number)
+ {
+ int oldmax = d->maxreferenceentities;
+ entity_state_t *oldentity = d->referenceentity;
+ d->maxreferenceentities = (number + 15) & ~7;
+ d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
+ if (oldentity)
+ {
+ memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
+ Mem_Free(oldentity);
+ }
+ // clear the newly created entities
+ for (;oldmax < d->maxreferenceentities;oldmax++)
+ {
+ d->referenceentity[oldmax] = defaultstate;
+ d->referenceentity[oldmax].number = oldmax;
+ }
+ }
+ return d->referenceentity + number;
+}
+
+void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state_t *s)
+{
+ // resize commit's entity list if full
+ if (d->currentcommit->maxentities <= d->currentcommit->numentities)
+ {
+ entity_state_t *oldentity = d->currentcommit->entity;
+ d->currentcommit->maxentities += 8;
+ d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
+ if (oldentity)
+ {
+ memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
+ Mem_Free(oldentity);
+ }
+ }
+ d->currentcommit->entity[d->currentcommit->numentities++] = *s;
+}
+
+entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
+{
+ entityframe4_database_t *d;
+ d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
+ d->mempool = pool;
+ EntityFrame4_ResetDatabase(d);
+ return d;
+}
+
+void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
+{
+ int i;
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ if (d->commit[i].entity)
+ Mem_Free(d->commit[i].entity);
+ if (d->referenceentity)
+ Mem_Free(d->referenceentity);
+ Mem_Free(d);
+}
+
+void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
+{
+ int i;
+ d->referenceframenum = -1;
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ d->commit[i].numentities = 0;
+ for (i = 0;i < d->maxreferenceentities;i++)
+ d->referenceentity[i] = defaultstate;
+}
+
+int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermode)
+{
+ int i, j, found;
+ entity_database4_commit_t *commit;
+ if (framenum == -1)
+ {
+ // reset reference, but leave commits alone
+ d->referenceframenum = -1;
+ for (i = 0;i < d->maxreferenceentities;i++)
+ d->referenceentity[i] = defaultstate;
+ // if this is the server, remove commits
+ for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
+ commit->numentities = 0;
+ found = true;
+ }
+ else if (d->referenceframenum == framenum)
+ found = true;
+ else
+ {
+ found = false;
+ for (i = 0, commit = d->commit;i < MAX_ENTITY_HISTORY;i++, commit++)
+ {
+ if (commit->numentities && commit->framenum <= framenum)
+ {
+ if (commit->framenum == framenum)
+ {
+ found = true;
+ d->referenceframenum = framenum;
+ if (developer_networkentities.integer >= 3)
+ {
+ for (j = 0;j < commit->numentities;j++)
+ {
+ entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
+ if (commit->entity[j].active != s->active)
+ {
+ if (commit->entity[j].active == ACTIVE_NETWORK)
+ Con_Printf("commit entity %i has become active (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
+ else
+ Con_Printf("commit entity %i has become inactive (modelindex %i)\n", commit->entity[j].number, commit->entity[j].modelindex);
+ }
+ *s = commit->entity[j];
+ }
+ }
+ else
+ for (j = 0;j < commit->numentities;j++)
+ *EntityFrame4_GetReferenceEntity(d, commit->entity[j].number) = commit->entity[j];
+ }
+ commit->numentities = 0;
+ }
+ }
+ }
+ if (developer_networkentities.integer >= 1)
+ {
+ Con_Printf("ack ref:%i database updated to: ref:%i commits:", framenum, d->referenceframenum);
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ if (d->commit[i].numentities)
+ Con_Printf(" %i", d->commit[i].framenum);
+ Con_Print("\n");
+ }
+ return found;
+}
+
+void EntityFrame4_CL_ReadFrame(void)
+{
+ int i, n, cnumber, referenceframenum, framenum, enumber, done, stopnumber, skip = false;
+ entity_state_t *s;
+ entityframe4_database_t *d;
+ if (!cl.entitydatabase4)
+ cl.entitydatabase4 = EntityFrame4_AllocDatabase(cls.levelmempool);
+ d = cl.entitydatabase4;
+ // read the number of the frame this refers to
+ referenceframenum = MSG_ReadLong();
+ // read the number of this frame
+ for (i = 0;i < LATESTFRAMENUMS-1;i++)
+ cl.latestframenums[i] = cl.latestframenums[i+1];
+ cl.latestframenums[LATESTFRAMENUMS-1] = framenum = MSG_ReadLong();
+ // read the start number
+ enumber = (unsigned short) MSG_ReadShort();
+ if (developer_networkentities.integer >= 10)
+ {
+ Con_Printf("recv svc_entities num:%i ref:%i database: ref:%i commits:", framenum, referenceframenum, d->referenceframenum);
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ if (d->commit[i].numentities)
+ Con_Printf(" %i", d->commit[i].framenum);
+ Con_Print("\n");
+ }
+ if (!EntityFrame4_AckFrame(d, referenceframenum, false))
+ {
+ Con_Print("EntityFrame4_CL_ReadFrame: reference frame invalid (VERY BAD ERROR), this update will be skipped\n");
+ skip = true;
+ }
+ d->currentcommit = NULL;
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ {
+ if (!d->commit[i].numentities)
+ {
+ d->currentcommit = d->commit + i;
+ d->currentcommit->framenum = framenum;
+ d->currentcommit->numentities = 0;
+ }
+ }
+ if (d->currentcommit == NULL)
+ {
+ Con_Printf("EntityFrame4_CL_ReadFrame: error while decoding frame %i: database full, reading but not storing this update\n", framenum);
+ skip = true;
+ }
+ done = false;
+ while (!done && !msg_badread)
+ {
+ // read the number of the modified entity
+ // (gaps will be copied unmodified)
+ n = (unsigned short)MSG_ReadShort();
+ if (n == 0x8000)
+ {
+ // no more entities in this update, but we still need to copy the
+ // rest of the reference entities (final gap)
+ done = true;
+ // read end of range number, then process normally
+ n = (unsigned short)MSG_ReadShort();
+ }
+ // high bit means it's a remove message
+ cnumber = n & 0x7FFF;
+ // if this is a live entity we may need to expand the array
+ if (cl.num_entities <= cnumber && !(n & 0x8000))
+ {
+ cl.num_entities = cnumber + 1;
+ if (cnumber >= cl.max_entities)
+ CL_ExpandEntities(cnumber);
+ }
+ // add one (the changed one) if not done
+ stopnumber = cnumber + !done;
+ // process entities in range from the last one to the changed one
+ for (;enumber < stopnumber;enumber++)
+ {
+ if (skip || enumber >= cl.num_entities)
+ {
+ if (enumber == cnumber && (n & 0x8000) == 0)
+ {
+ entity_state_t tempstate;
+ EntityState_ReadFields(&tempstate, EntityState_ReadExtendBits());
+ }
+ continue;
+ }
+ // slide the current into the previous slot
+ cl.entities[enumber].state_previous = cl.entities[enumber].state_current;
+ // copy a new current from reference database
+ cl.entities[enumber].state_current = *EntityFrame4_GetReferenceEntity(d, enumber);
+ s = &cl.entities[enumber].state_current;
+ // if this is the one to modify, read more data...
+ if (enumber == cnumber)
+ {
+ if (n & 0x8000)
+ {
+ // simply removed
+ if (developer_networkentities.integer >= 2)
+ Con_Printf("entity %i: remove\n", enumber);
+ *s = defaultstate;
+ }
+ else
+ {
+ // read the changes
+ if (developer_networkentities.integer >= 2)
+ Con_Printf("entity %i: update\n", enumber);
+ s->active = ACTIVE_NETWORK;
+ EntityState_ReadFields(s, EntityState_ReadExtendBits());
+ }
+ }
+ else if (developer_networkentities.integer >= 4)
+ Con_Printf("entity %i: copy\n", enumber);
+ // set the cl.entities_active flag
+ cl.entities_active[enumber] = (s->active == ACTIVE_NETWORK);
+ // set the update time
+ s->time = cl.mtime[0];
+ // fix the number (it gets wiped occasionally by copying from defaultstate)
+ s->number = enumber;
+ // check if we need to update the lerp stuff
+ if (s->active == ACTIVE_NETWORK)
+ CL_MoveLerpEntityStates(&cl.entities[enumber]);
+ // add this to the commit entry whether it is modified or not
+ if (d->currentcommit)
+ EntityFrame4_AddCommitEntity(d, &cl.entities[enumber].state_current);
+ // print extra messages if desired
+ if (developer_networkentities.integer >= 2 && cl.entities[enumber].state_current.active != cl.entities[enumber].state_previous.active)
+ {
+ if (cl.entities[enumber].state_current.active == ACTIVE_NETWORK)
+ Con_Printf("entity #%i has become active\n", enumber);
+ else if (cl.entities[enumber].state_previous.active)
+ Con_Printf("entity #%i has become inactive\n", enumber);
+ }
+ }
+ }
+ d->currentcommit = NULL;
+ if (skip)
+ EntityFrame4_ResetDatabase(d);
+}
+
+qboolean EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_t *d, int numstates, const entity_state_t *states)
+{
+ const entity_state_t *e, *s;
+ entity_state_t inactiveentitystate;
+ int i, n, startnumber;
+ sizebuf_t buf;
+ unsigned char data[128];
+ prvm_eval_t *val;
+
+ // if there isn't enough space to accomplish anything, skip it
+ if (msg->cursize + 24 > maxsize)
+ return false;
+
+ // prepare the buffer
+ memset(&buf, 0, sizeof(buf));
+ buf.data = data;
+ buf.maxsize = sizeof(data);
+
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ if (!d->commit[i].numentities)
+ break;
+ // if commit buffer full, just don't bother writing an update this frame
+ if (i == MAX_ENTITY_HISTORY)
+ return false;
+ d->currentcommit = d->commit + i;
+
+ // this state's number gets played around with later
+ inactiveentitystate = defaultstate;
+
+ d->currentcommit->numentities = 0;
+ d->currentcommit->framenum = ++d->latestframenumber;
+ MSG_WriteByte(msg, svc_entities);
+ MSG_WriteLong(msg, d->referenceframenum);
+ MSG_WriteLong(msg, d->currentcommit->framenum);
+ if (developer_networkentities.integer >= 10)
+ {
+ Con_Printf("send svc_entities num:%i ref:%i (database: ref:%i commits:", d->currentcommit->framenum, d->referenceframenum, d->referenceframenum);
+ for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+ if (d->commit[i].numentities)
+ Con_Printf(" %i", d->commit[i].framenum);
+ Con_Print(")\n");
+ }
+ if (d->currententitynumber >= prog->max_edicts)
+ startnumber = 1;
+ else
+ startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
+ MSG_WriteShort(msg, startnumber);
+ // reset currententitynumber so if the loop does not break it we will
+ // start at beginning next frame (if it does break, it will set it)
+ d->currententitynumber = 1;
+ for (i = 0, n = startnumber;n < prog->max_edicts;n++)
+ {
+ val = PRVM_EDICTFIELDVALUE((&prog->edicts[n]), prog->fieldoffsets.SendEntity);
+ if(val && val->function)
+ continue;
+ // find the old state to delta from
+ e = EntityFrame4_GetReferenceEntity(d, n);
+ // prepare the buffer
+ SZ_Clear(&buf);
+ // entity exists, build an update (if empty there is no change)
+ // find the state in the list
+ for (;i < numstates && states[i].number < n;i++);
+ // make the message
+ s = states + i;
+ if (s->number == n)
+ {
+ // build the update
+ EntityState_WriteUpdate(s, &buf, e);
+ }
+ else
+ {
+ inactiveentitystate.number = n;
+ s = &inactiveentitystate;
+ if (e->active == ACTIVE_NETWORK)
+ {
+ // entity used to exist but doesn't anymore, send remove
+ MSG_WriteShort(&buf, n | 0x8000);
+ }
+ }
+ // if the commit is full, we're done this frame
+ if (msg->cursize + buf.cursize > maxsize - 4)
+ {
+ // next frame we will continue where we left off
+ break;
+ }
+ // add the entity to the commit
+ EntityFrame4_AddCommitEntity(d, s);
+ // if the message is empty, skip out now
+ if (buf.cursize)
+ {
+ // write the message to the packet
+ SZ_Write(msg, buf.data, buf.cursize);
+ }
+ }
+ d->currententitynumber = n;
+
+ // remove world message (invalid, and thus a good terminator)
+ MSG_WriteShort(msg, 0x8000);
+ // write the number of the end entity
+ MSG_WriteShort(msg, d->currententitynumber);
+ // just to be sure
+ d->currentcommit = NULL;
+
+ return true;
+}
+
+
+
+
+entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
+{
+ int i;
+ entityframe5_database_t *d;
+ d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
+ d->latestframenum = 0;
+ for (i = 0;i < d->maxedicts;i++)
+ d->states[i] = defaultstate;
+ return d;
+}
+
+void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
+{
+ // all the [maxedicts] memory is allocated at once, so there's only one
+ // thing to free
+ if (d->maxedicts)
+ Mem_Free(d->deltabits);
+ Mem_Free(d);
+}
+
+static void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
+{
+ if (d->maxedicts < newmax)
+ {
+ unsigned char *data;
+ int oldmaxedicts = d->maxedicts;
+ int *olddeltabits = d->deltabits;
+ unsigned char *oldpriorities = d->priorities;
+ int *oldupdateframenum = d->updateframenum;
+ entity_state_t *oldstates = d->states;
+ unsigned char *oldvisiblebits = d->visiblebits;
+ d->maxedicts = newmax;
+ 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));
+ d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
+ d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
+ d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
+ d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
+ d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
+ if (oldmaxedicts)
+ {
+ memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
+ memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
+ memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
+ memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
+ memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
+ // the previous buffers were a single allocation, so just one free
+ Mem_Free(olddeltabits);
+ }
+ }
+}
+
+static int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
+{
+ int limit, priority;
+ entity_state_t *s;
+ // if it is the player, update urgently
+ if (stateindex == d->viewentnum)
+ return ENTITYFRAME5_PRIORITYLEVELS - 1;
+ // priority increases each frame no matter what happens
+ priority = d->priorities[stateindex] + 1;
+ // players get an extra priority boost
+ if (stateindex <= svs.maxclients)
+ priority++;
+ // remove dead entities very quickly because they are just 2 bytes
+ if (d->states[stateindex].active != ACTIVE_NETWORK)
+ {
+ priority++;
+ return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
+ }
+ // certain changes are more noticable than others
+ if (d->deltabits[stateindex] & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_FLAGS | E5_COLORMAP))
+ priority++;
+ // find the root entity this one is attached to, and judge relevance by it
+ for (limit = 0;limit < 256;limit++)
+ {
+ s = d->states + stateindex;
+ if (s->flags & RENDER_VIEWMODEL)
+ stateindex = d->viewentnum;
+ else if (s->tagentity)
+ stateindex = s->tagentity;
+ else
+ break;
+ if (d->maxedicts < stateindex)
+ EntityFrame5_ExpandEdicts(d, (stateindex+256)&~255);
+ }
+ if (limit >= 256)
+ Con_DPrintf("Protocol: Runaway loop recursing tagentity links on entity %i\n", stateindex);
+ // now that we have the parent entity we can make some decisions based on
+ // distance from the player
+ if (VectorDistance(d->states[d->viewentnum].netcenter, s->netcenter) < 1024.0f)
+ priority++;
+ return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
+}
+
+void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
+{
+ unsigned int bits = 0;
+ //dp_model_t *model;
+ ENTITYSIZEPROFILING_START(msg, s->number);
+
+ prvm_eval_t *val;
+ val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
+ if(val && val->function)
+ return;
+
+ if (s->active != ACTIVE_NETWORK)
+ MSG_WriteShort(msg, number | 0x8000);
+ else
+ {
+ bits = changedbits;
+ if ((bits & E5_ORIGIN) && (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))
+ // maybe also add: ((model = sv.models[s->modelindex]) != NULL && model->name[0] == '*')
+ bits |= E5_ORIGIN32;
+ // possible values:
+ // negative origin:
+ // (int)(f * 8 - 0.5) >= -32768
+ // (f * 8 - 0.5) > -32769
+ // f > -4096.0625
+ // positive origin:
+ // (int)(f * 8 + 0.5) <= 32767
+ // (f * 8 + 0.5) < 32768
+ // f * 8 + 0.5) < 4095.9375
+ if ((bits & E5_ANGLES) && !(s->flags & RENDER_LOWPRECISION))
+ bits |= E5_ANGLES16;
+ if ((bits & E5_MODEL) && s->modelindex >= 256)
+ bits |= E5_MODEL16;
+ if ((bits & E5_FRAME) && s->frame >= 256)
+ bits |= E5_FRAME16;
+ if (bits & E5_EFFECTS)
+ {
+ if (s->effects & 0xFFFF0000)
+ bits |= E5_EFFECTS32;
+ else if (s->effects & 0xFFFFFF00)
+ bits |= E5_EFFECTS16;
+ }
+ if (bits >= 256)
+ bits |= E5_EXTEND1;
+ if (bits >= 65536)
+ bits |= E5_EXTEND2;
+ if (bits >= 16777216)
+ bits |= E5_EXTEND3;
+ MSG_WriteShort(msg, number);
+ MSG_WriteByte(msg, bits & 0xFF);
+ if (bits & E5_EXTEND1)
+ MSG_WriteByte(msg, (bits >> 8) & 0xFF);
+ if (bits & E5_EXTEND2)
+ MSG_WriteByte(msg, (bits >> 16) & 0xFF);
+ if (bits & E5_EXTEND3)
+ MSG_WriteByte(msg, (bits >> 24) & 0xFF);
+ if (bits & E5_FLAGS)
+ MSG_WriteByte(msg, s->flags);
+ if (bits & E5_ORIGIN)
+ {
+ if (bits & E5_ORIGIN32)
+ {
+ MSG_WriteCoord32f(msg, s->origin[0]);
+ MSG_WriteCoord32f(msg, s->origin[1]);
+ MSG_WriteCoord32f(msg, s->origin[2]);
+ }
+ else
+ {
+ MSG_WriteCoord13i(msg, s->origin[0]);
+ MSG_WriteCoord13i(msg, s->origin[1]);
+ MSG_WriteCoord13i(msg, s->origin[2]);
+ }
+ }
+ if (bits & E5_ANGLES)
+ {
+ if (bits & E5_ANGLES16)
+ {
+ MSG_WriteAngle16i(msg, s->angles[0]);
+ MSG_WriteAngle16i(msg, s->angles[1]);
+ MSG_WriteAngle16i(msg, s->angles[2]);
+ }
+ else
+ {
+ MSG_WriteAngle8i(msg, s->angles[0]);
+ MSG_WriteAngle8i(msg, s->angles[1]);
+ MSG_WriteAngle8i(msg, s->angles[2]);
+ }
+ }
+ if (bits & E5_MODEL)
+ {
+ if (bits & E5_MODEL16)
+ MSG_WriteShort(msg, s->modelindex);
+ else
+ MSG_WriteByte(msg, s->modelindex);
+ }
+ if (bits & E5_FRAME)
+ {
+ if (bits & E5_FRAME16)
+ MSG_WriteShort(msg, s->frame);
+ else
+ MSG_WriteByte(msg, s->frame);
+ }
+ if (bits & E5_SKIN)
+ MSG_WriteByte(msg, s->skin);
+ if (bits & E5_EFFECTS)
+ {
+ if (bits & E5_EFFECTS32)
+ MSG_WriteLong(msg, s->effects);
+ else if (bits & E5_EFFECTS16)
+ MSG_WriteShort(msg, s->effects);
+ else
+ MSG_WriteByte(msg, s->effects);
+ }
+ if (bits & E5_ALPHA)
+ MSG_WriteByte(msg, s->alpha);
+ if (bits & E5_SCALE)
+ MSG_WriteByte(msg, s->scale);
+ if (bits & E5_COLORMAP)
+ MSG_WriteByte(msg, s->colormap);
+ if (bits & E5_ATTACHMENT)
+ {
+ MSG_WriteShort(msg, s->tagentity);
+ MSG_WriteByte(msg, s->tagindex);
+ }
+ if (bits & E5_LIGHT)
+ {
+ MSG_WriteShort(msg, s->light[0]);
+ MSG_WriteShort(msg, s->light[1]);
+ MSG_WriteShort(msg, s->light[2]);
+ MSG_WriteShort(msg, s->light[3]);
+ MSG_WriteByte(msg, s->lightstyle);
+ MSG_WriteByte(msg, s->lightpflags);
+ }
+ if (bits & E5_GLOW)
+ {
+ MSG_WriteByte(msg, s->glowsize);
+ MSG_WriteByte(msg, s->glowcolor);
+ }
+ if (bits & E5_COLORMOD)
+ {
+ MSG_WriteByte(msg, s->colormod[0]);
+ MSG_WriteByte(msg, s->colormod[1]);
+ MSG_WriteByte(msg, s->colormod[2]);
+ }
+ if (bits & E5_GLOWMOD)
+ {
+ MSG_WriteByte(msg, s->glowmod[0]);
+ MSG_WriteByte(msg, s->glowmod[1]);
+ MSG_WriteByte(msg, s->glowmod[2]);
+ }
+ }
+
+ ENTITYSIZEPROFILING_END(msg, s->number);
+}
+
+static void EntityState5_ReadUpdate(entity_state_t *s, int number)
+{
+ int bits;
+ bits = MSG_ReadByte();
+ if (bits & E5_EXTEND1)
+ {
+ bits |= MSG_ReadByte() << 8;
+ if (bits & E5_EXTEND2)
+ {
+ bits |= MSG_ReadByte() << 16;
+ if (bits & E5_EXTEND3)
+ bits |= MSG_ReadByte() << 24;
+ }
+ }
+ if (bits & E5_FULLUPDATE)
+ {
+ *s = defaultstate;
+ s->active = ACTIVE_NETWORK;
+ }
+ if (bits & E5_FLAGS)
+ s->flags = MSG_ReadByte();
+ if (bits & E5_ORIGIN)
+ {
+ if (bits & E5_ORIGIN32)
+ {
+ s->origin[0] = MSG_ReadCoord32f();
+ s->origin[1] = MSG_ReadCoord32f();
+ s->origin[2] = MSG_ReadCoord32f();
+ }
+ else
+ {
+ s->origin[0] = MSG_ReadCoord13i();
+ s->origin[1] = MSG_ReadCoord13i();
+ s->origin[2] = MSG_ReadCoord13i();
+ }
+ }
+ if (bits & E5_ANGLES)
+ {
+ if (bits & E5_ANGLES16)
+ {
+ s->angles[0] = MSG_ReadAngle16i();
+ s->angles[1] = MSG_ReadAngle16i();
+ s->angles[2] = MSG_ReadAngle16i();
+ }
+ else
+ {
+ s->angles[0] = MSG_ReadAngle8i();
+ s->angles[1] = MSG_ReadAngle8i();
+ s->angles[2] = MSG_ReadAngle8i();
+ }
+ }
+ if (bits & E5_MODEL)
+ {
+ if (bits & E5_MODEL16)
+ s->modelindex = (unsigned short) MSG_ReadShort();
+ else
+ s->modelindex = MSG_ReadByte();
+ }
+ if (bits & E5_FRAME)
+ {
+ if (bits & E5_FRAME16)
+ s->frame = (unsigned short) MSG_ReadShort();
+ else
+ s->frame = MSG_ReadByte();
+ }
+ if (bits & E5_SKIN)
+ s->skin = MSG_ReadByte();
+ if (bits & E5_EFFECTS)
+ {
+ if (bits & E5_EFFECTS32)
+ s->effects = (unsigned int) MSG_ReadLong();
+ else if (bits & E5_EFFECTS16)
+ s->effects = (unsigned short) MSG_ReadShort();
+ else
+ s->effects = MSG_ReadByte();
+ }
+ if (bits & E5_ALPHA)
+ s->alpha = MSG_ReadByte();
+ if (bits & E5_SCALE)
+ s->scale = MSG_ReadByte();
+ if (bits & E5_COLORMAP)
+ s->colormap = MSG_ReadByte();
+ if (bits & E5_ATTACHMENT)
+ {
+ s->tagentity = (unsigned short) MSG_ReadShort();
+ s->tagindex = MSG_ReadByte();
+ }
+ if (bits & E5_LIGHT)
+ {
+ s->light[0] = (unsigned short) MSG_ReadShort();
+ s->light[1] = (unsigned short) MSG_ReadShort();
+ s->light[2] = (unsigned short) MSG_ReadShort();
+ s->light[3] = (unsigned short) MSG_ReadShort();
+ s->lightstyle = MSG_ReadByte();
+ s->lightpflags = MSG_ReadByte();
+ }
+ if (bits & E5_GLOW)
+ {
+ s->glowsize = MSG_ReadByte();
+ s->glowcolor = MSG_ReadByte();
+ }
+ if (bits & E5_COLORMOD)
+ {
+ s->colormod[0] = MSG_ReadByte();
+ s->colormod[1] = MSG_ReadByte();
+ s->colormod[2] = MSG_ReadByte();
+ }
+ if (bits & E5_GLOWMOD)
+ {
+ s->glowmod[0] = MSG_ReadByte();
+ s->glowmod[1] = MSG_ReadByte();
+ s->glowmod[2] = MSG_ReadByte();
+ }
+
+
+ if (developer_networkentities.integer >= 2)
+ {
+ Con_Printf("ReadFields e%i", number);
+
+ if (bits & E5_ORIGIN)
+ Con_Printf(" E5_ORIGIN %f %f %f", s->origin[0], s->origin[1], s->origin[2]);
+ if (bits & E5_ANGLES)
+ Con_Printf(" E5_ANGLES %f %f %f", s->angles[0], s->angles[1], s->angles[2]);
+ if (bits & E5_MODEL)
+ Con_Printf(" E5_MODEL %i", s->modelindex);
+ if (bits & E5_FRAME)
+ Con_Printf(" E5_FRAME %i", s->frame);
+ if (bits & E5_SKIN)
+ Con_Printf(" E5_SKIN %i", s->skin);
+ if (bits & E5_EFFECTS)
+ Con_Printf(" E5_EFFECTS %i", s->effects);
+ if (bits & E5_FLAGS)
+ {
+ Con_Printf(" E5_FLAGS %i (", s->flags);
+ if (s->flags & RENDER_STEP)
+ Con_Print(" STEP");
+ if (s->flags & RENDER_GLOWTRAIL)
+ Con_Print(" GLOWTRAIL");
+ if (s->flags & RENDER_VIEWMODEL)
+ Con_Print(" VIEWMODEL");
+ if (s->flags & RENDER_EXTERIORMODEL)
+ Con_Print(" EXTERIORMODEL");
+ if (s->flags & RENDER_LOWPRECISION)
+ Con_Print(" LOWPRECISION");
+ if (s->flags & RENDER_COLORMAPPED)
+ Con_Print(" COLORMAPPED");
+ if (s->flags & RENDER_SHADOW)
+ Con_Print(" SHADOW");
+ if (s->flags & RENDER_LIGHT)
+ Con_Print(" LIGHT");
+ if (s->flags & RENDER_NOSELFSHADOW)
+ Con_Print(" NOSELFSHADOW");
+ Con_Print(")");
+ }
+ if (bits & E5_ALPHA)
+ Con_Printf(" E5_ALPHA %f", s->alpha / 255.0f);
+ if (bits & E5_SCALE)
+ Con_Printf(" E5_SCALE %f", s->scale / 16.0f);
+ if (bits & E5_COLORMAP)
+ Con_Printf(" E5_COLORMAP %i", s->colormap);
+ if (bits & E5_ATTACHMENT)
+ Con_Printf(" E5_ATTACHMENT e%i:%i", s->tagentity, s->tagindex);
+ if (bits & E5_LIGHT)
+ 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);
+ if (bits & E5_GLOW)
+ Con_Printf(" E5_GLOW %i:%i", s->glowsize * 4, s->glowcolor);
+ if (bits & E5_COLORMOD)
+ Con_Printf(" E5_COLORMOD %f:%f:%f", s->colormod[0] / 32.0f, s->colormod[1] / 32.0f, s->colormod[2] / 32.0f);
+ if (bits & E5_GLOWMOD)
+ Con_Printf(" E5_GLOWMOD %f:%f:%f", s->glowmod[0] / 32.0f, s->glowmod[1] / 32.0f, s->glowmod[2] / 32.0f);
+ Con_Print("\n");
+ }
+}
+
+static int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
+{
+ unsigned int bits = 0;
+ if (n->active == ACTIVE_NETWORK)
+ {
+ if (o->active != ACTIVE_NETWORK)
+ bits |= E5_FULLUPDATE;
+ if (!VectorCompare(o->origin, n->origin))
+ bits |= E5_ORIGIN;
+ if (!VectorCompare(o->angles, n->angles))
+ bits |= E5_ANGLES;
+ if (o->modelindex != n->modelindex)
+ bits |= E5_MODEL;
+ if (o->frame != n->frame)
+ bits |= E5_FRAME;
+ if (o->skin != n->skin)
+ bits |= E5_SKIN;
+ if (o->effects != n->effects)
+ bits |= E5_EFFECTS;
+ if (o->flags != n->flags)
+ bits |= E5_FLAGS;
+ if (o->alpha != n->alpha)
+ bits |= E5_ALPHA;
+ if (o->scale != n->scale)
+ bits |= E5_SCALE;
+ if (o->colormap != n->colormap)
+ bits |= E5_COLORMAP;
+ if (o->tagentity != n->tagentity || o->tagindex != n->tagindex)
+ bits |= E5_ATTACHMENT;
+ 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)
+ bits |= E5_LIGHT;
+ if (o->glowsize != n->glowsize || o->glowcolor != n->glowcolor)
+ bits |= E5_GLOW;
+ if (o->colormod[0] != n->colormod[0] || o->colormod[1] != n->colormod[1] || o->colormod[2] != n->colormod[2])
+ bits |= E5_COLORMOD;
+ if (o->glowmod[0] != n->glowmod[0] || o->glowmod[1] != n->glowmod[1] || o->glowmod[2] != n->glowmod[2])
+ bits |= E5_GLOWMOD;
+ }
+ else
+ if (o->active == ACTIVE_NETWORK)
+ bits |= E5_FULLUPDATE;
+ return bits;