+ 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)
+ 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 = true;
+ 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;
+ // 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)
+ 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)
+ 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);
+}
+
+void EntityFrame4_WriteFrame(sizebuf_t *msg, 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 > msg->maxsize)
+ return;
+
+ // 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;
+ 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)
+ {
+ // 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 > msg->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;
+}
+
+
+
+
+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);
+}
+
+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);
+ }
+ }
+}
+
+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)
+ {
+ 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;
+
+ prvm_eval_t *val;
+ val = PRVM_EDICTFIELDVALUE((&prog->edicts[s->number]), prog->fieldoffsets.SendEntity);
+ if(val && val->function)
+ return;
+
+ if (!s->active)
+ MSG_WriteShort(msg, number | 0x8000);
+ else
+ {
+ bits = changedbits;
+ if ((bits & E5_ORIGIN) && ((s->flags & RENDER_EXTERIORMODEL) || s->origin[0] < -4096 || s->origin[0] >= 4096 || s->origin[1] < -4096 || s->origin[1] >= 4096 || s->origin[2] < -4096 || s->origin[2] >= 4096))
+ bits |= E5_ORIGIN32;
+ 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]);
+ }
+ }
+}
+
+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 = true;
+ }
+ 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 (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);
+ Con_Print("\n");
+ }
+}
+
+int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
+{
+ unsigned int bits = 0;
+ if (n->active)
+ {
+ if (!o->active)
+ 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;
+ }
+ else
+ if (o->active)
+ bits |= E5_FULLUPDATE;
+ return bits;
+}
+
+void EntityFrame5_CL_ReadFrame(void)
+{
+ int i, n, enumber;
+ entity_t *ent;
+ entity_state_t *s;
+ // read the number of this frame to echo back in next input packet
+ for (i = 0;i < LATESTFRAMENUMS-1;i++)
+ cl.latestframenums[i] = cl.latestframenums[i+1];
+ cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
+ if (developer_networkentities.integer >= 10)
+ Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
+ 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)
+ cls.servermovesequence = MSG_ReadLong();
+ // read entity numbers until we find a 0x8000
+ // (which would be remove world entity, but is actually a terminator)
+ while ((n = (unsigned short)MSG_ReadShort()) != 0x8000 && !msg_badread)
+ {
+ // get the entity number
+ enumber = n & 0x7FFF;
+ // we may need to expand the array
+ if (cl.num_entities <= enumber)
+ {
+ cl.num_entities = enumber + 1;
+ if (enumber >= cl.max_entities)
+ CL_ExpandEntities(enumber);
+ }
+ // look up the entity
+ ent = cl.entities + enumber;
+ // slide the current into the previous slot
+ ent->state_previous = ent->state_current;
+ // read the update
+ s = &ent->state_current;
+ if (n & 0x8000)
+ {
+ // remove entity
+ *s = defaultstate;
+ }
+ else
+ {
+ // update entity
+ EntityState5_ReadUpdate(s, enumber);
+ }
+ // set the cl.entities_active flag
+ cl.entities_active[enumber] = s->active;
+ // 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)
+ CL_MoveLerpEntityStates(&cl.entities[enumber]);
+ // 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)
+ 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);
+ }
+ }
+}
+
+void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
+{
+ int i, j, k, l, bits;
+ entityframe5_changestate_t *s, *s2;
+ entityframe5_packetlog_t *p, *p2;
+ unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
+ // scan for packets that were lost
+ for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
+ {
+ if (p->packetnumber && p->packetnumber <= framenum)
+ {
+ // packet was lost - merge deltabits into the main array so they
+ // will be re-sent, but only if there is no newer update of that
+ // bit in the logs (as those will arrive before this update)
+ for (j = 0, s = p->states;j < p->numstates;j++, s++)
+ {
+ // check for any newer updates to this entity and mask off any
+ // overlapping bits (we don't need to send something again if
+ // it has already been sent more recently)
+ bits = s->bits & ~d->deltabits[s->number];
+ for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS && bits;k++, p2++)
+ {
+ if (p2->packetnumber > framenum)
+ {
+ for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++)
+ {
+ if (s2->number == s->number)
+ {
+ bits &= ~s2->bits;
+ break;
+ }
+ }
+ }
+ }
+ // if the bits haven't all been cleared, there were some bits
+ // lost with this packet, so set them again now
+ if (bits)
+ {
+ d->deltabits[s->number] |= bits;
+ // if it was a very important update, set priority higher
+ if (bits & (E5_FULLUPDATE | E5_ATTACHMENT | E5_MODEL | E5_COLORMAP))
+ d->priorities[s->number] = max(d->priorities[s->number], 4);
+ else
+ d->priorities[s->number] = max(d->priorities[s->number], 1);
+ }
+ }
+ // mark lost stats
+ for (j = 0;j < MAX_CL_STATS;j++)
+ {
+ for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
+ statsdeltabits[l] = p->statsdeltabits[l] & ~host_client->statsdeltabits[l];
+ for (k = 0, p2 = d->packetlog;k < ENTITYFRAME5_MAXPACKETLOGS;k++, p2++)
+ if (p2->packetnumber > framenum)
+ for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
+ statsdeltabits[l] = p->statsdeltabits[l] & ~p2->statsdeltabits[l];
+ for (l = 0;l < (MAX_CL_STATS+7)/8;l++)
+ host_client->statsdeltabits[l] |= statsdeltabits[l];
+ }
+ // delete this packet log as it is now obsolete
+ p->packetnumber = 0;
+ }
+ }
+}
+
+void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
+{
+ int i;
+ // scan for packets made obsolete by this ack and delete them
+ for (i = 0;i < ENTITYFRAME5_MAXPACKETLOGS;i++)
+ if (d->packetlog[i].packetnumber <= framenum)
+ d->packetlog[i].packetnumber = 0;
+}
+
+void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence)
+{
+ const entity_state_t *n;
+ int i, num, l, framenum, packetlognumber, priority;
+ sizebuf_t buf;
+ unsigned char data[128];
+ entityframe5_packetlog_t *packetlog;
+
+ if (prog->max_edicts > d->maxedicts)
+ EntityFrame5_ExpandEdicts(d, prog->max_edicts);
+
+ framenum = d->latestframenum + 1;
+ d->viewentnum = viewentnum;
+
+ // if packet log is full, mark all frames as lost, this will cause
+ // it to send the lost data again
+ for (packetlognumber = 0;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++)
+ if (d->packetlog[packetlognumber].packetnumber == 0)
+ break;
+ if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
+ {
+ Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
+ EntityFrame5_LostFrame(d, framenum);
+ packetlognumber = 0;
+ }
+
+ // prepare the buffer
+ memset(&buf, 0, sizeof(buf));
+ buf.data = data;
+ buf.maxsize = sizeof(data);
+
+ // detect changes in states
+ num = 1;
+ for (i = 0, n = states;i < numstates;i++, n++)
+ {
+ // mark gaps in entity numbering as removed entities
+ for (;num < n->number;num++)
+ {
+ // if the entity used to exist, clear it
+ if (CHECKPVSBIT(d->visiblebits, num))
+ {
+ CLEARPVSBIT(d->visiblebits, num);
+ d->deltabits[num] = E5_FULLUPDATE;
+ d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
+ d->states[num] = defaultstate;
+ d->states[num].number = num;
+ }
+ }
+ // update the entity state data
+ if (!CHECKPVSBIT(d->visiblebits, num))
+ {
+ // entity just spawned in, don't let it completely hog priority
+ // because of being ancient on the first frame
+ d->updateframenum[num] = framenum;
+ // initial priority is a bit high to make projectiles send on the
+ // first frame, among other things
+ d->priorities[num] = max(d->priorities[num], 4);
+ }
+ SETPVSBIT(d->visiblebits, num);
+ d->deltabits[num] |= EntityState5_DeltaBits(d->states + num, n);
+ d->priorities[num] = max(d->priorities[num], 1);
+ d->states[num] = *n;
+ d->states[num].number = num;
+ // advance to next entity so the next iteration doesn't immediately remove it
+ num++;
+ }
+ // all remaining entities are dead
+ for (;num < d->maxedicts;num++)
+ {
+ if (CHECKPVSBIT(d->visiblebits, num))
+ {
+ CLEARPVSBIT(d->visiblebits, num);
+ d->deltabits[num] = E5_FULLUPDATE;
+ d->priorities[num] = max(d->priorities[num], 8); // removal is cheap
+ d->states[num] = defaultstate;
+ d->states[num].number = num;
+ }
+ }
+
+ // if there isn't at least enough room for an empty svc_entities,
+ // don't bother trying...
+ if (buf.cursize + 11 > buf.maxsize)
+ return;
+
+ // build lists of entities by priority level
+ memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
+ l = 0;
+ for (num = 0;num < d->maxedicts;num++)
+ {
+ if (d->priorities[num])
+ {
+ if (d->deltabits[num])
+ {
+ if (d->priorities[num] < (ENTITYFRAME5_PRIORITYLEVELS - 1))
+ d->priorities[num] = EntityState5_Priority(d, num);
+ l = num;
+ priority = d->priorities[num];
+ if (d->prioritychaincounts[priority] < ENTITYFRAME5_MAXSTATES)
+ d->prioritychains[priority][d->prioritychaincounts[priority]++] = num;
+ }
+ else
+ d->priorities[num] = 0;
+ }
+ }
+
+ // add packetlog entry
+ packetlog = d->packetlog + packetlognumber;
+ packetlog->packetnumber = framenum;
+ packetlog->numstates = 0;
+ // write stat updates
+ 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)
+ {
+ for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++)
+ {
+ if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
+ {
+ host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
+ packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
+ if (host_client->stats[i] >= 0 && host_client->stats[i] < 256)
+ {
+ MSG_WriteByte(msg, svc_updatestatubyte);
+ MSG_WriteByte(msg, i);
+ MSG_WriteByte(msg, host_client->stats[i]);
+ }
+ else
+ {
+ MSG_WriteByte(msg, svc_updatestat);
+ MSG_WriteByte(msg, i);
+ MSG_WriteLong(msg, host_client->stats[i]);
+ }
+ }
+ }
+ }
+ // write state updates
+ if (developer_networkentities.integer >= 10)
+ Con_Printf("send: svc_entities %i\n", framenum);
+ d->latestframenum = framenum;
+ MSG_WriteByte(msg, svc_entities);
+ MSG_WriteLong(msg, framenum);
+ 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)
+ MSG_WriteLong(msg, movesequence);
+ for (priority = ENTITYFRAME5_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
+ {
+ for (i = 0;i < d->prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
+ {
+ num = d->prioritychains[priority][i];
+ n = d->states + num;
+ if (d->deltabits[num] & E5_FULLUPDATE)
+ d->deltabits[num] = E5_FULLUPDATE | EntityState5_DeltaBits(&defaultstate, n);
+ buf.cursize = 0;
+ EntityState5_WriteUpdate(num, n, d->deltabits[num], &buf);
+ // if the entity won't fit, try the next one
+ if (msg->cursize + buf.cursize + 2 > msg->maxsize)
+ continue;
+ // write entity to the packet
+ SZ_Write(msg, buf.data, buf.cursize);
+ // mark age on entity for prioritization
+ d->updateframenum[num] = framenum;
+ // log entity so deltabits can be restored later if lost
+ packetlog->states[packetlog->numstates].number = num;
+ packetlog->states[packetlog->numstates].bits = d->deltabits[num];
+ packetlog->numstates++;
+ // clear deltabits and priority so it won't be sent again
+ d->deltabits[num] = 0;
+ d->priorities[num] = 0;
+ }
+ }
+ MSG_WriteShort(msg, 0x8000);
+}
+
+
+static void QW_TranslateEffects(entity_state_t *s, int qweffects)
+{
+ s->effects = 0;
+ s->internaleffects = 0;
+ if (qweffects & QW_EF_BRIGHTFIELD)
+ s->effects |= EF_BRIGHTFIELD;
+ if (qweffects & QW_EF_MUZZLEFLASH)
+ s->effects |= EF_MUZZLEFLASH;
+ if (qweffects & QW_EF_FLAG1)
+ {
+ // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
+ if (s->number > cl.maxclients)
+ s->effects |= EF_NODRAW;
+ else
+ s->internaleffects |= INTEF_FLAG1QW;
+ }
+ if (qweffects & QW_EF_FLAG2)
+ {
+ // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
+ if (s->number > cl.maxclients)
+ s->effects |= EF_ADDITIVE;
+ else
+ s->internaleffects |= INTEF_FLAG2QW;
+ }
+ if (qweffects & QW_EF_RED)
+ {
+ if (qweffects & QW_EF_BLUE)
+ s->effects |= EF_RED | EF_BLUE;
+ else
+ s->effects |= EF_RED;
+ }
+ else if (qweffects & QW_EF_BLUE)
+ s->effects |= EF_BLUE;
+ else if (qweffects & QW_EF_BRIGHTLIGHT)
+ s->effects |= EF_BRIGHTLIGHT;
+ else if (qweffects & QW_EF_DIMLIGHT)
+ s->effects |= EF_DIMLIGHT;
+}
+
+void EntityStateQW_ReadPlayerUpdate(void)
+{
+ int slot = MSG_ReadByte();
+ int enumber = slot + 1;
+ int weaponframe;
+ int msec;
+ int playerflags;
+ int bits;
+ entity_state_t *s;
+ // look up the entity
+ entity_t *ent = cl.entities + enumber;
+ vec3_t viewangles;
+ vec3_t velocity;
+
+ // slide the current state into the previous
+ ent->state_previous = ent->state_current;
+
+ // read the update
+ s = &ent->state_current;
+ *s = defaultstate;
+ s->active = true;
+ s->number = enumber;
+ s->colormap = enumber;
+ playerflags = MSG_ReadShort();
+ MSG_ReadVector(s->origin, cls.protocol);
+ s->frame = MSG_ReadByte();
+
+ VectorClear(viewangles);
+ VectorClear(velocity);
+
+ if (playerflags & QW_PF_MSEC)
+ {
+ // time difference between last update this player sent to the server,
+ // and last input we sent to the server (this packet is in response to
+ // our input, so msec is how long ago the last update of this player
+ // entity occurred, compared to our input being received)
+ msec = MSG_ReadByte();
+ }
+ else
+ msec = 0;
+ if (playerflags & QW_PF_COMMAND)
+ {
+ bits = MSG_ReadByte();
+ if (bits & QW_CM_ANGLE1)
+ viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
+ if (bits & QW_CM_ANGLE2)
+ viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
+ if (bits & QW_CM_ANGLE3)
+ viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
+ if (bits & QW_CM_FORWARD)
+ MSG_ReadShort(); // cmd->forwardmove
+ if (bits & QW_CM_SIDE)
+ MSG_ReadShort(); // cmd->sidemove
+ if (bits & QW_CM_UP)
+ MSG_ReadShort(); // cmd->upmove
+ if (bits & QW_CM_BUTTONS)
+ MSG_ReadByte(); // cmd->buttons
+ if (bits & QW_CM_IMPULSE)
+ MSG_ReadByte(); // cmd->impulse
+ MSG_ReadByte(); // cmd->msec
+ }
+ if (playerflags & QW_PF_VELOCITY1)
+ velocity[0] = MSG_ReadShort();
+ if (playerflags & QW_PF_VELOCITY2)
+ velocity[1] = MSG_ReadShort();
+ if (playerflags & QW_PF_VELOCITY3)
+ velocity[2] = MSG_ReadShort();
+ if (playerflags & QW_PF_MODEL)
+ s->modelindex = MSG_ReadByte();
+ else
+ s->modelindex = cl.qw_modelindex_player;
+ if (playerflags & QW_PF_SKINNUM)
+ s->skin = MSG_ReadByte();
+ if (playerflags & QW_PF_EFFECTS)
+ QW_TranslateEffects(s, MSG_ReadByte());
+ if (playerflags & QW_PF_WEAPONFRAME)
+ weaponframe = MSG_ReadByte();
+ else
+ weaponframe = 0;
+
+ if (enumber == cl.playerentity)
+ {
+ // if this is an update on our player, update the angles
+ VectorCopy(cl.viewangles, viewangles);
+ }
+
+ // calculate the entity angles from the viewangles
+ s->angles[0] = viewangles[0] * -0.0333;
+ s->angles[1] = viewangles[1];
+ s->angles[2] = 0;
+ s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
+
+ // if this is an update on our player, update interpolation state
+ if (enumber == cl.playerentity)
+ {
+ VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
+ VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
+ VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
+ cl.mviewzoom[1] = cl.mviewzoom[0];
+
+ cl.idealpitch = 0;
+ cl.mpunchangle[0][0] = 0;
+ cl.mpunchangle[0][1] = 0;
+ cl.mpunchangle[0][2] = 0;
+ cl.mpunchvector[0][0] = 0;
+ cl.mpunchvector[0][1] = 0;
+ cl.mpunchvector[0][2] = 0;
+ cl.mvelocity[0][0] = 0;
+ cl.mvelocity[0][1] = 0;
+ cl.mvelocity[0][2] = 0;
+ cl.mviewzoom[0] = 1;
+
+ VectorCopy(velocity, cl.mvelocity[0]);
+ cl.stats[STAT_WEAPONFRAME] = weaponframe;
+ if (playerflags & QW_PF_GIB)
+ cl.stats[STAT_VIEWHEIGHT] = 8;
+ else if (playerflags & QW_PF_DEAD)
+ cl.stats[STAT_VIEWHEIGHT] = -16;
+ else
+ cl.stats[STAT_VIEWHEIGHT] = 22;
+ }
+
+ // set the cl.entities_active flag
+ cl.entities_active[enumber] = s->active;
+ // set the update time
+ s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
+ // check if we need to update the lerp stuff
+ if (s->active)
+ CL_MoveLerpEntityStates(&cl.entities[enumber]);
+}
+
+static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
+{
+ int qweffects = 0;
+ s->active = true;
+ s->number = bits & 511;
+ bits &= ~511;
+ if (bits & QW_U_MOREBITS)
+ bits |= MSG_ReadByte();
+
+ // store the QW_U_SOLID bit here?
+
+ if (bits & QW_U_MODEL)
+ s->modelindex = MSG_ReadByte();
+ if (bits & QW_U_FRAME)
+ s->frame = MSG_ReadByte();
+ if (bits & QW_U_COLORMAP)
+ s->colormap = MSG_ReadByte();
+ if (bits & QW_U_SKIN)
+ s->skin = MSG_ReadByte();
+ if (bits & QW_U_EFFECTS)
+ QW_TranslateEffects(s, qweffects = MSG_ReadByte());
+ if (bits & QW_U_ORIGIN1)
+ s->origin[0] = MSG_ReadCoord13i();
+ if (bits & QW_U_ANGLE1)
+ s->angles[0] = MSG_ReadAngle8i();
+ if (bits & QW_U_ORIGIN2)
+ s->origin[1] = MSG_ReadCoord13i();
+ if (bits & QW_U_ANGLE2)
+ s->angles[1] = MSG_ReadAngle8i();
+ if (bits & QW_U_ORIGIN3)
+ s->origin[2] = MSG_ReadCoord13i();
+ if (bits & QW_U_ANGLE3)
+ s->angles[2] = MSG_ReadAngle8i();
+
+ if (developer_networkentities.integer >= 2)
+ {
+ Con_Printf("ReadFields e%i", s->number);
+ if (bits & QW_U_MODEL)
+ Con_Printf(" U_MODEL %i", s->modelindex);
+ if (bits & QW_U_FRAME)
+ Con_Printf(" U_FRAME %i", s->frame);
+ if (bits & QW_U_COLORMAP)
+ Con_Printf(" U_COLORMAP %i", s->colormap);
+ if (bits & QW_U_SKIN)
+ Con_Printf(" U_SKIN %i", s->skin);
+ if (bits & QW_U_EFFECTS)
+ Con_Printf(" U_EFFECTS %i", qweffects);
+ if (bits & QW_U_ORIGIN1)
+ Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
+ if (bits & QW_U_ANGLE1)
+ Con_Printf(" U_ANGLE1 %f", s->angles[0]);
+ if (bits & QW_U_ORIGIN2)
+ Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
+ if (bits & QW_U_ANGLE2)
+ Con_Printf(" U_ANGLE2 %f", s->angles[1]);
+ if (bits & QW_U_ORIGIN3)
+ Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
+ if (bits & QW_U_ANGLE3)
+ Con_Printf(" U_ANGLE3 %f", s->angles[2]);
+ if (bits & QW_U_SOLID)
+ Con_Printf(" U_SOLID");
+ Con_Print("\n");
+ }
+}
+
+entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
+{
+ entityframeqw_database_t *d;
+ d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
+ return d;
+}
+
+void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
+{
+ Mem_Free(d);
+}
+
+void EntityFrameQW_CL_ReadFrame(qboolean delta)
+{
+ qboolean invalid = false;
+ int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
+ entity_t *ent;
+ entityframeqw_database_t *d;
+ entityframeqw_snapshot_t *oldsnap, *newsnap;
+
+ if (!cl.entitydatabaseqw)
+ cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cls.levelmempool);
+ d = cl.entitydatabaseqw;
+
+ // there is no cls.netcon in demos, so this reading code can't access
+ // cls.netcon-> at all... so cls.qw_incoming_sequence and
+ // cls.qw_outgoing_sequence are updated every time the corresponding
+ // cls.netcon->qw. variables are updated
+ // read the number of this frame to echo back in next input packet
+ cl.qw_validsequence = cls.qw_incoming_sequence;
+ newsnapindex = cl.qw_validsequence & QW_UPDATE_MASK;
+ newsnap = d->snapshot + newsnapindex;
+ memset(newsnap, 0, sizeof(*newsnap));
+ oldsnapindex = -1;
+ oldsnap = NULL;
+ if (delta)
+ {
+ number = MSG_ReadByte();
+ oldsnapindex = cl.qw_deltasequence[newsnapindex];
+ if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
+ Con_DPrintf("WARNING: from mismatch\n");
+ if (oldsnapindex != -1)
+ {
+ if (cls.qw_outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
+ {
+ Con_DPrintf("delta update too old\n");
+ newsnap->invalid = invalid = true; // too old
+ delta = false;
+ }
+ oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
+ }
+ else
+ delta = false;
+ }
+
+ // if we can't decode this frame properly, report that to the server
+ if (invalid)
+ cl.qw_validsequence = 0;
+
+ // read entity numbers until we find a 0x0000
+ // (which would be an empty update on world entity, but is actually a terminator)
+ newsnap->num_entities = 0;
+ oldindex = 0;
+ for (;;)
+ {
+ int word = (unsigned short)MSG_ReadShort();
+ if (msg_badread)
+ return; // just return, the main parser will print an error
+ newnum = word == 0 ? 512 : (word & 511);
+ oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
+
+ // copy unmodified oldsnap entities
+ while (newnum > oldnum) // delta only
+ {
+ if (developer_networkentities.integer >= 2)
+ Con_Printf("copy %i\n", oldnum);
+ // copy one of the old entities
+ if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+ Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+ newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
+ newsnap->num_entities++;
+ oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
+ }
+
+ if (word == 0)
+ break;
+
+ if (developer_networkentities.integer >= 2)
+ {
+ if (word & QW_U_REMOVE)
+ Con_Printf("remove %i\n", newnum);
+ else if (newnum == oldnum)
+ Con_Printf("delta %i\n", newnum);
+ else
+ Con_Printf("baseline %i\n", newnum);
+ }
+
+ if (word & QW_U_REMOVE)
+ {
+ if (newnum != oldnum && !delta && !invalid)
+ {
+ cl.qw_validsequence = 0;
+ Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
+ }
+ }
+ else
+ {
+ if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+ Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+ newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl.entities[newnum].state_baseline;
+ EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
+ newsnap->num_entities++;
+ }
+
+ if (newnum == oldnum)
+ oldindex++;
+ }
+
+ // expand cl.num_entities to include every entity we've seen this game
+ newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
+ if (cl.num_entities <= newnum)
+ {
+ cl.num_entities = newnum + 1;
+ if (cl.max_entities < newnum + 1)
+ CL_ExpandEntities(newnum);
+ }
+
+ // now update the non-player entities from the snapshot states
+ number = cl.maxclients + 1;
+ for (newindex = 0;;newindex++)
+ {
+ newnum = newindex >= newsnap->num_entities ? cl.num_entities : newsnap->entities[newindex].number;
+ // kill any missing entities
+ for (;number < newnum;number++)
+ {
+ if (cl.entities_active[number])
+ {
+ cl.entities_active[number] = false;
+ cl.entities[number].state_current.active = false;
+ }
+ }
+ if (number >= cl.num_entities)
+ break;
+ // update the entity
+ ent = &cl.entities[number];
+ ent->state_previous = ent->state_current;
+ ent->state_current = newsnap->entities[newindex];
+ ent->state_current.time = cl.mtime[0];
+ CL_MoveLerpEntityStates(ent);
+ // the entity lives again...
+ cl.entities_active[number] = true;
+ number++;
+ }