]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - protocol.c
... forgot to add the files, I'm too used to git now :P
[xonotic/darkplaces.git] / protocol.c
index fa17b60eac79ebb88d166aaa6abda4c8784ef2df..31c2e54c6eeb6b32487706ea6e608c54820afb4f 100644 (file)
@@ -1,4 +1,3 @@
-
 #include "quakedef.h"
 
 #define ENTITYSIZEPROFILING_START(msg, num) \
@@ -38,7 +37,7 @@ entity_state_t defaultstate =
        0,//unsigned short nodrawtoclient; // !
        0,//unsigned short drawonlytoclient; // !
        {0,0,0,0},//unsigned short light[4]; // color*256 (0.00 to 255.996), and radius*1
-       0,//unsigned char active; // true if a valid state
+       ACTIVE_NOT,//unsigned char active; // true if a valid state
        0,//unsigned char lightstyle;
        0,//unsigned char lightpflags;
        0,//unsigned char colormap;
@@ -51,8 +50,9 @@ entity_state_t defaultstate =
        0,//unsigned char internaleffects; // INTEF_FLAG1QW and so on
        0,//unsigned char tagindex;
        {32, 32, 32},//unsigned char colormod[3];
+       {32, 32, 32},//unsigned char glowmod[3];
        // padding to a multiple of 8 bytes (to align the double time)
-       {0,0,0,0,0}//unsigned char unused[5]; // !
+       {0,0}//unsigned char unused[2]; // !
 };
 
 // LordHavoc: I own protocol ranges 96, 97, 3500-3599
@@ -166,7 +166,7 @@ void EntityFrameQuake_ReadEntity(int bits)
        else
        {
                s = ent->state_baseline;
-               s.active = true;
+               s.active = ACTIVE_NETWORK;
        }
 
        cl.isquakeentity[num] = true;
@@ -227,7 +227,7 @@ void EntityFrameQuake_ReadEntity(int bits)
 
        ent->state_previous = ent->state_current;
        ent->state_current = s;
-       if (ent->state_current.active)
+       if (ent->state_current.active == ACTIVE_NETWORK)
        {
                CL_MoveLerpEntityStates(ent);
                cl.entities_active[ent->state_current.number] = true;
@@ -256,7 +256,7 @@ void EntityFrameQuake_ISeeDeadEntities(void)
                        else
                        {
                                cl.isquakeentity[num] = false;
-                               cl.entities_active[num] = false;
+                               cl.entities_active[num] = ACTIVE_NOT;
                                cl.entities[num].state_current = defaultstate;
                                cl.entities[num].state_current.number = num;
                        }
@@ -264,36 +264,202 @@ void EntityFrameQuake_ISeeDeadEntities(void)
        }
 }
 
-// FIXME FIXME FIXME: at this time the CSQC entity writing does not store
-// packet logs and thus if an update is lost it is never repeated, this makes
-// csqc entities useless at the moment.
+// NOTE: this only works with DP5 protocol and upwards. For lower protocols
+// (including QUAKE), no packet loss handling for CSQC is done, which makes
+// CSQC basically useless.
+// Always use the DP5 protocol, or a higher one, when using CSQC entities.
+static void EntityFrameCSQC_LostAllFrames(client_t *client)
+{
+       // mark ALL csqc entities as requiring a FULL resend!
+       // I know this is a bad workaround, but better than nothing.
+       int i, n;
+       prvm_eval_t *val;
+       prvm_edict_t *ed;
+
+       if(prog->fieldoffsets.SendEntity < 0 || prog->fieldoffsets.Version < 0)
+               return;
+
+       n = client->csqcnumedicts;
+       for(i = 0; i < n; ++i)
+       {
+               if(client->csqcentityglobalhistory[i])
+               {
+                       ed = prog->edicts + i;
+                       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.SendEntity);
+                       if (val->function)
+                               client->csqcentitysendflags[i] |= 0xFFFFFF; // FULL RESEND
+                       else // if it was ever sent to that client as a CSQC entity
+                       {
+                               client->csqcentityscope[i] = 1; // REMOVE
+                               client->csqcentitysendflags[i] |= 0xFFFFFF;
+                       }
+               }
+       }
+}
+void EntityFrameCSQC_LostFrame(client_t *client, int framenum)
+{
+       // marks a frame as lost
+       int i, j, n;
+       qboolean valid;
+       int ringfirst, ringlast;
+       static int recoversendflags[MAX_EDICTS];
+       csqcentityframedb_t *d;
+
+       n = client->csqcnumedicts;
+
+       // is our frame out of history?
+       ringfirst = client->csqcentityframehistory_next; // oldest entry
+       ringlast = (ringfirst + NUM_CSQCENTITYDB_FRAMES - 1) % NUM_CSQCENTITYDB_FRAMES; // most recently added entry
+
+       valid = false;
+       
+       for(j = 0; j < NUM_CSQCENTITYDB_FRAMES; ++j)
+       {
+               d = &client->csqcentityframehistory[(ringfirst + j) % NUM_CSQCENTITYDB_FRAMES];
+               if(d->framenum < 0)
+                       continue;
+               if(d->framenum == framenum)
+                       break;
+               else if(d->framenum < framenum)
+                       valid = true;
+       }
+       if(j == NUM_CSQCENTITYDB_FRAMES)
+       {
+               if(valid) // got beaten, i.e. there is a frame < framenum
+               {
+                       // a non-csqc frame got lost... great
+                       return;
+               }
+               else
+               {
+                       // a too old frame got lost... sorry, cannot handle this
+                       Con_DPrintf("CSQC entity DB: lost a frame too early to do any handling (resending ALL)...\n");
+                       Con_DPrintf("Lost frame = %d\n", framenum);
+                       Con_DPrintf("Entity DB = %d to %d\n", client->csqcentityframehistory[ringfirst].framenum, client->csqcentityframehistory[ringlast].framenum);
+                       EntityFrameCSQC_LostAllFrames(client);
+               }
+               return;
+       }
+
+       // so j is the frame that got lost
+       // ringlast is the frame that we have to go to
+       ringfirst = (ringfirst + j) % NUM_CSQCENTITYDB_FRAMES;
+       if(ringlast < ringfirst)
+               ringlast += NUM_CSQCENTITYDB_FRAMES;
+       
+       memset(recoversendflags, 0, sizeof(recoversendflags));
+
+       for(j = ringfirst; j <= ringlast; ++j)
+       {
+               d = &client->csqcentityframehistory[j % NUM_CSQCENTITYDB_FRAMES];
+               if(d->framenum < 0)
+               {
+                       // deleted frame
+               }
+               else if(d->framenum < framenum)
+               {
+                       // a frame in the past... should never happen
+                       Con_Printf("CSQC entity DB encountered a frame from the past when recovering from PL...?\n");
+               }
+               else if(d->framenum == framenum)
+               {
+                       // handling the actually lost frame now
+                       for(i = 0; i < d->num; ++i)
+                       {
+                               int sf = d->sendflags[i];
+                               int ent = d->entno[i];
+                               if(sf < 0) // remove
+                                       recoversendflags[ent] |= -1; // all bits, including sign
+                               else if(sf > 0)
+                                       recoversendflags[ent] |= sf;
+                       }
+               }
+               else
+               {
+                       // handling the frames that followed it now
+                       for(i = 0; i < d->num; ++i)
+                       {
+                               int sf = d->sendflags[i];
+                               int ent = d->entno[i];
+                               if(sf < 0) // remove
+                               {
+                                       recoversendflags[ent] = 0; // no need to update, we got a more recent remove (and will fix it THEN)
+                                       break; // no flags left to remove...
+                               }
+                               else if(sf > 0)
+                                       recoversendflags[ent] &= ~sf; // no need to update these bits, we already got them later
+                       }
+               }
+       }
+
+       for(i = 0; i < client->csqcnumedicts; ++i)
+       {
+               if(recoversendflags[i] < 0)
+               {
+                       // a remove got lost, then either send a remove or - if it was
+                       // recreated later - a FULL update to make totally sure
+                       client->csqcentityscope[i] = 1;
+                       client->csqcentitysendflags[i] = 0xFFFFFF;
+               }
+               else
+                       client->csqcentitysendflags[i] |= recoversendflags[i];
+       }
+}
+static int EntityFrameCSQC_AllocFrame(client_t *client, int framenum)
+{
+       int ringfirst = client->csqcentityframehistory_next; // oldest entry
+       client->csqcentityframehistory_next += 1;
+       client->csqcentityframehistory_next %= NUM_CSQCENTITYDB_FRAMES;
+       client->csqcentityframehistory[ringfirst].framenum = framenum;
+       client->csqcentityframehistory[ringfirst].num = 0;
+       return ringfirst;
+}
+static void EntityFrameCSQC_DeallocFrame(client_t *client, int framenum)
+{
+       int ringfirst = client->csqcentityframehistory_next; // oldest entry
+       int ringlast = (ringfirst + NUM_CSQCENTITYDB_FRAMES - 1) % NUM_CSQCENTITYDB_FRAMES; // most recently added entry
+       if(framenum == client->csqcentityframehistory[ringlast].framenum)
+       {
+               client->csqcentityframehistory[ringlast].framenum = -1;
+               client->csqcentityframehistory[ringlast].num = 0;
+               client->csqcentityframehistory_next = ringlast;
+       }
+       else
+               Con_Printf("Trying to dealloc the wrong entity frame\n");
+}
 
 //[515]: we use only one array per-client for SendEntity feature
-void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, const entity_state_t *states)
+// TODO: add some handling for entity send priorities, to better deal with huge
+// amounts of csqc networked entities
+qboolean EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numnumbers, const unsigned short *numbers, int framenum)
 {
        int num, number, end, sendflags;
        qboolean sectionstarted = false;
-       const entity_state_t *n;
+       const unsigned short *n;
        prvm_edict_t *ed;
        prvm_eval_t *val;
        client_t *client = svs.clients + sv.writeentitiestoclient_clientnumber;
+       int dbframe = EntityFrameCSQC_AllocFrame(client, framenum);
+       csqcentityframedb_t *db = &client->csqcentityframehistory[dbframe];
+
+       maxsize -= 24; // always fit in an empty svc_entities message (for packet loss detection!)
 
        // if this server progs is not CSQC-aware, return early
        if(prog->fieldoffsets.SendEntity < 0 || prog->fieldoffsets.Version < 0)
-               return;
+               return false;
 
        // make sure there is enough room to store the svc_csqcentities byte,
        // the terminator (0x0000) and at least one entity update
        if (msg->cursize + 32 >= maxsize)
-               return;
+               return false;
 
        if (client->csqcnumedicts < prog->num_edicts)
                client->csqcnumedicts = prog->num_edicts;
 
        number = 1;
-       for (num = 0, n = states;num < numstates;num++, n++)
+       for (num = 0, n = numbers;num < numnumbers;num++, n++)
        {
-               end = n->number;
+               end = *n;
                for (;number < end;number++)
                {
                        if (client->csqcentityscope[number])
@@ -329,9 +495,9 @@ void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, con
                if (client->csqcentityscope[number])
                        client->csqcentityscope[number] = 1;
        // keep visible entities
-       for (i = 0, n = states;i < numstates;i++, n++)
+       for (i = 0, n = numbers;i < numnumbers;i++, n++)
        {
-               number = n->number;
+               number = *n;
                ed = prog->edicts + number;
                val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.SendEntity);
                if (val->function)
@@ -349,6 +515,8 @@ void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, con
                sendflags = client->csqcentitysendflags[number];
                if (!sendflags)
                        continue;
+               if(db->num >= NUM_CSQCENTITIES_PER_FRAME)
+                       break;
                ed = prog->edicts + number;
                // entity scope is either update (2) or remove (1)
                if (client->csqcentityscope[number] == 1)
@@ -366,6 +534,10 @@ void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, con
                                MSG_WriteShort(msg, (unsigned short)number | 0x8000);
                                client->csqcentityscope[number] = 0;
                                client->csqcentitysendflags[number] = 0xFFFFFF; // resend completely if it becomes active again
+                               db->entno[db->num] = number;
+                               db->sendflags[db->num] = -1;
+                               db->num += 1;
+                               client->csqcentityglobalhistory[number] = 1;
                                ENTITYSIZEPROFILING_END(msg, number);
                        }
                        if (msg->cursize + 17 >= maxsize)
@@ -395,12 +567,16 @@ void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, con
                                        {
                                                // an update has been successfully written
                                                client->csqcentitysendflags[number] = 0;
+                                               db->entno[db->num] = number;
+                                               db->sendflags[db->num] = sendflags;
+                                               db->num += 1;
+                                               client->csqcentityglobalhistory[number] = 1;
                                                // and take note that we have begun the svc_csqcentities
                                                // section of the packet
                                                sectionstarted = 1;
+                                               ENTITYSIZEPROFILING_END(msg, number);
                                                if (msg->cursize + 17 >= maxsize)
                                                        break;
-                                               ENTITYSIZEPROFILING_END(msg, number);
                                                continue;
                                        }
                                }
@@ -417,6 +593,13 @@ void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int maxsize, int numstates, con
                // write index 0 to end the update (0 is never used by real entities)
                MSG_WriteShort(msg, 0);
        }
+
+       if(db->num == 0)
+               // if no single ent got added, remove the frame from the DB again, to allow
+               // for a larger history
+               EntityFrameCSQC_DeallocFrame(client, framenum);
+       
+       return sectionstarted;
 }
 
 void Protocol_UpdateClientStats(const int *stats)
@@ -498,7 +681,7 @@ void Protocol_WriteStatsReliable(void)
 }
 
 
-void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int maxsize, int numstates, const entity_state_t *states)
+qboolean EntityFrameQuake_WriteFrame(sizebuf_t *msg, int maxsize, int numstates, const entity_state_t *states)
 {
        const entity_state_t *s;
        entity_state_t baseline;
@@ -506,6 +689,7 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int maxsize, int numstates, con
        sizebuf_t buf;
        unsigned char data[128];
        prvm_eval_t *val;
+       qboolean success = false;
 
        // prepare the buffer
        memset(&buf, 0, sizeof(buf));
@@ -658,15 +842,17 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int maxsize, int numstates, con
                }
                // write the message to the packet
                SZ_Write(msg, buf.data, buf.cursize);
+               success = true;
                ENTITYSIZEPROFILING_END(msg, s->number);
        }
+       return success;
 }
 
 int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
 {
        unsigned int bits;
        // if o is not active, delta from default
-       if (!o->active)
+       if (o->active != ACTIVE_NETWORK)
                o = &defaultstate;
        bits = 0;
        if (fabs(n->origin[0] - o->origin[0]) > (1.0f / 256.0f))
@@ -845,7 +1031,7 @@ void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const en
 {
        unsigned int bits;
        ENTITYSIZEPROFILING_START(msg, ent->number);
-       if (ent->active)
+       if (ent->active == ACTIVE_NETWORK)
        {
                // entity is active, check for changes from the delta
                if ((bits = EntityState_DeltaBits(delta, ent)))
@@ -859,7 +1045,7 @@ void EntityState_WriteUpdate(const entity_state_t *ent, sizebuf_t *msg, const en
        else
        {
                // entity is inactive, check if the delta was active
-               if (delta->active)
+               if (delta->active == ACTIVE_NETWORK)
                {
                        // write the remove number
                        MSG_WriteShort(msg, ent->number | 0x8000);
@@ -1149,7 +1335,7 @@ void EntityFrame_AddFrame(entityframe_database_t *d, vec3_t eye, int framenum, i
 }
 
 // (server) writes a frame to network stream
-void EntityFrame_WriteFrame(sizebuf_t *msg, int maxsize, entityframe_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
+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;
@@ -1188,7 +1374,7 @@ void EntityFrame_WriteFrame(sizebuf_t *msg, int maxsize, entityframe_database_t
 
                val = PRVM_EDICTFIELDVALUE((&prog->edicts[number]), prog->fieldoffsets.SendEntity);
                if(val && val->function)
-                               continue;
+                       continue;
                for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
                {
                        // write remove message
@@ -1214,6 +1400,8 @@ void EntityFrame_WriteFrame(sizebuf_t *msg, int maxsize, entityframe_database_t
                MSG_WriteShort(msg, o->entitydata[onum].number | 0x8000);
        }
        MSG_WriteShort(msg, 0xFFFF);
+
+       return true;
 }
 
 // (client) reads a frame from network stream
@@ -1296,7 +1484,7 @@ void EntityFrame_CL_ReadFrame(void)
                                        CL_ExpandEntities(number);
                        }
                        cl.entities_active[number] = true;
-                       e->active = true;
+                       e->active = ACTIVE_NETWORK;
                        e->time = cl.mtime[0];
                        e->number = number;
                        EntityState_ReadFields(e, EntityState_ReadExtendBits());
@@ -1320,7 +1508,7 @@ void EntityFrame_CL_ReadFrame(void)
                        if (cl.entities_active[number])
                        {
                                cl.entities_active[number] = false;
-                               cl.entities[number].state_current.active = false;
+                               cl.entities[number].state_current.active = ACTIVE_NOT;
                        }
                }
                if (number >= cl.num_entities)
@@ -1339,7 +1527,7 @@ void EntityFrame_CL_ReadFrame(void)
                if (cl.entities_active[number])
                {
                        cl.entities_active[number] = false;
-                       cl.entities[number].state_current.active = false;
+                       cl.entities[number].state_current.active = ACTIVE_NOT;
                }
        }
 }
@@ -1464,7 +1652,7 @@ int EntityFrame4_AckFrame(entityframe4_database_t *d, int framenum, int servermo
                                                        entity_state_t *s = EntityFrame4_GetReferenceEntity(d, commit->entity[j].number);
                                                        if (commit->entity[j].active != s->active)
                                                        {
-                                                               if (commit->entity[j].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);
@@ -1592,20 +1780,20 @@ void EntityFrame4_CL_ReadFrame(void)
                                        // read the changes
                                        if (developer_networkentities.integer >= 2)
                                                Con_Printf("entity %i: update\n", enumber);
-                                       s->active = true;
+                                       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;
+                       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)
+                       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)
@@ -1613,7 +1801,7 @@ void EntityFrame4_CL_ReadFrame(void)
                        // 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)
+                               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);
@@ -1625,7 +1813,7 @@ void EntityFrame4_CL_ReadFrame(void)
                EntityFrame4_ResetDatabase(d);
 }
 
-void EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_t *d, int numstates, const entity_state_t *states)
+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;
@@ -1636,7 +1824,7 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_
 
        // if there isn't enough space to accomplish anything, skip it
        if (msg->cursize + 24 > maxsize)
-               return;
+               return false;
 
        // prepare the buffer
        memset(&buf, 0, sizeof(buf));
@@ -1648,7 +1836,7 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_
                        break;
        // if commit buffer full, just don't bother writing an update this frame
        if (i == MAX_ENTITY_HISTORY)
-               return;
+               return false;
        d->currentcommit = d->commit + i;
 
        // this state's number gets played around with later
@@ -1698,7 +1886,7 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_
                {
                        inactiveentitystate.number = n;
                        s = &inactiveentitystate;
-                       if (e->active)
+                       if (e->active == ACTIVE_NETWORK)
                        {
                                // entity used to exist but doesn't anymore, send remove
                                MSG_WriteShort(&buf, n | 0x8000);
@@ -1727,6 +1915,8 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, int maxsize, entityframe4_database_
        MSG_WriteShort(msg, d->currententitynumber);
        // just to be sure
        d->currentcommit = NULL;
+
+       return true;
 }
 
 
@@ -1752,7 +1942,7 @@ void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
        Mem_Free(d);
 }
 
-void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
+static void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
 {
        if (d->maxedicts < newmax)
        {
@@ -1783,7 +1973,7 @@ void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
        }
 }
 
-int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
+static int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
 {
        int limit, priority;
        entity_state_t *s;
@@ -1796,7 +1986,7 @@ int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
        if (stateindex <= svs.maxclients)
                priority++;
        // remove dead entities very quickly because they are just 2 bytes
-       if (!d->states[stateindex].active)
+       if (d->states[stateindex].active != ACTIVE_NETWORK)
        {
                priority++;
                return bound(1, priority, ENTITYFRAME5_PRIORITYLEVELS - 1);
@@ -1829,6 +2019,7 @@ int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
 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;
@@ -1836,12 +2027,13 @@ void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbi
        if(val && val->function)
                return;
 
-       if (!s->active)
+       if (s->active != ACTIVE_NETWORK)
                MSG_WriteShort(msg, number | 0x8000);
        else
        {
                bits = changedbits;
-               if ((bits & E5_ORIGIN) && ((s->flags & RENDER_EXTERIORMODEL) || 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))
+               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))
+               // maybe also add: ((model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*')
                        bits |= E5_ORIGIN32;
                        // possible values:
                        //   negative origin:
@@ -1967,12 +2159,18 @@ void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbi
                        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);
 }
 
-void EntityState5_ReadUpdate(entity_state_t *s, int number)
+static void EntityState5_ReadUpdate(entity_state_t *s, int number)
 {
        int bits;
        bits = MSG_ReadByte();
@@ -1989,7 +2187,7 @@ void EntityState5_ReadUpdate(entity_state_t *s, int number)
        if (bits & E5_FULLUPDATE)
        {
                *s = defaultstate;
-               s->active = true;
+               s->active = ACTIVE_NETWORK;
        }
        if (bits & E5_FLAGS)
                s->flags = MSG_ReadByte();
@@ -2079,6 +2277,12 @@ void EntityState5_ReadUpdate(entity_state_t *s, int number)
                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)
@@ -2134,16 +2338,18 @@ void EntityState5_ReadUpdate(entity_state_t *s, int number)
                        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");
        }
 }
 
-int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
+static int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
 {
        unsigned int bits = 0;
-       if (n->active)
+       if (n->active == ACTIVE_NETWORK)
        {
-               if (!o->active)
+               if (o->active != ACTIVE_NETWORK)
                        bits |= E5_FULLUPDATE;
                if (!VectorCompare(o->origin, n->origin))
                        bits |= E5_ORIGIN;
@@ -2173,9 +2379,11 @@ int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
                        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)
+               if (o->active == ACTIVE_NETWORK)
                        bits |= E5_FULLUPDATE;
        return bits;
 }
@@ -2223,18 +2431,18 @@ void EntityFrame5_CL_ReadFrame(void)
                        EntityState5_ReadUpdate(s, enumber);
                }
                // set the cl.entities_active flag
-               cl.entities_active[enumber] = s->active;
+               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)
+               if (s->active == ACTIVE_NETWORK)
                        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)
+                       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);
@@ -2315,7 +2523,7 @@ void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum)
                        d->packetlog[i].packetnumber = 0;
 }
 
-void EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence)
+qboolean EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int movesequence, qboolean need_empty)
 {
        const entity_state_t *n;
        int i, num, l, framenum, packetlognumber, priority;
@@ -2397,7 +2605,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_
        // if there isn't at least enough room for an empty svc_entities,
        // don't bother trying...
        if (buf.cursize + 11 > buf.maxsize)
-               return;
+               return false;
 
        // build lists of entities by priority level
        memset(d->prioritychaincounts, 0, sizeof(d->prioritychaincounts));
@@ -2420,10 +2628,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_
                }
        }
 
-       // add packetlog entry
-       packetlog = d->packetlog + packetlognumber;
-       packetlog->packetnumber = framenum;
-       packetlog->numstates = 0;
+       packetlog = NULL;
        // 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)
        {
@@ -2432,22 +2637,44 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_
                        if (host_client->statsdeltabits[i>>3] & (1<<(i&7)))
                        {
                                host_client->statsdeltabits[i>>3] &= ~(1<<(i&7));
+                               // add packetlog entry now that we have something for it
+                               if (!packetlog)
+                               {
+                                       packetlog = d->packetlog + packetlognumber;
+                                       packetlog->packetnumber = framenum;
+                                       packetlog->numstates = 0;
+                               }
                                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]);
+                                       l = 1;
                                }
                                else
                                {
                                        MSG_WriteByte(msg, svc_updatestat);
                                        MSG_WriteByte(msg, i);
                                        MSG_WriteLong(msg, host_client->stats[i]);
+                                       l = 1;
                                }
                        }
                }
        }
+
+       // only send empty svc_entities frame if needed
+       if(!l && !need_empty)
+               return false;
+
+       // add packetlog entry now that we have something for it
+       if (!packetlog)
+       {
+               packetlog = d->packetlog + packetlognumber;
+               packetlog->packetnumber = framenum;
+               packetlog->numstates = 0;
+       }
+
        // write state updates
        if (developer_networkentities.integer >= 10)
                Con_Printf("send: svc_entities %i\n", framenum);
@@ -2483,6 +2710,8 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, int maxsize, entityframe5_database_
                }
        }
        MSG_WriteShort(msg, 0x8000);
+
+       return true;
 }
 
 
@@ -2545,7 +2774,7 @@ void EntityStateQW_ReadPlayerUpdate(void)
        // read the update
        s = &ent->state_current;
        *s = defaultstate;
-       s->active = true;
+       s->active = ACTIVE_NETWORK;
        s->number = enumber;
        s->colormap = enumber;
        playerflags = MSG_ReadShort();
@@ -2648,18 +2877,18 @@ void EntityStateQW_ReadPlayerUpdate(void)
        }
 
        // set the cl.entities_active flag
-       cl.entities_active[enumber] = s->active;
+       cl.entities_active[enumber] = (s->active == ACTIVE_NETWORK);
        // 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)
+       if (s->active == ACTIVE_NETWORK)
                CL_MoveLerpEntityStates(&cl.entities[enumber]);
 }
 
 static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
 {
        int qweffects = 0;
-       s->active = true;
+       s->active = ACTIVE_NETWORK;
        s->number = bits & 511;
        bits &= ~511;
        if (bits & QW_U_MOREBITS)
@@ -2859,7 +3088,7 @@ void EntityFrameQW_CL_ReadFrame(qboolean delta)
                        if (cl.entities_active[number])
                        {
                                cl.entities_active[number] = false;
-                               cl.entities[number].state_current.active = false;
+                               cl.entities[number].state_current.active = ACTIVE_NOT;
                        }
                }
                if (number >= cl.num_entities)