]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - protocol.c
reduced client memory usage by 29MB by making cl_max_entities dynamic (starts out...
[xonotic/darkplaces.git] / protocol.c
index cb02e557e8d004592897a2aa668bf7eedfe22c49..176ae44e90a89a032785edd0b2d2602a426a5de2 100644 (file)
@@ -30,9 +30,9 @@ entity_state_t defaultstate =
        254,//unsigned char glowcolor;
        0,//unsigned char flags;
        0,//unsigned char tagindex;
-       255,//unsigned char colormod;
+       {32, 32, 32},//unsigned char colormod[3];
        // padding to a multiple of 8 bytes (to align the double time)
-       {0,0,0,0}//unsigned char unused[4]; // !
+       {0,0}//unsigned char unused[2]; // !
 };
 
 // keep track of quake entities because they need to be killed if they get stale
@@ -64,6 +64,13 @@ void EntityFrameQuake_ReadEntity(int bits)
        if (num < 1)
                Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)\n", num);
 
+       if (cl_num_entities <= num)
+       {
+               cl_num_entities = num + 1;
+               if (num >= cl_max_entities)
+                       CL_ExpandEntities(num);
+       }
+
        ent = cl_entities + num;
 
        // note: this inherits the 'active' state of the baseline chosen
@@ -100,7 +107,7 @@ void EntityFrameQuake_ReadEntity(int bits)
        if (bits & U_EFFECTS2)  s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8);
        if (bits & U_GLOWSIZE)  s.glowsize = MSG_ReadByte();
        if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte();
-       if (bits & U_COLORMOD)  s.colormod = MSG_ReadByte();
+       if (bits & U_COLORMOD)  {int c = MSG_ReadByte();s.colormod[0] = (qbyte)(((c >> 5) & 7) * (32.0f / 7.0f));s.colormod[1] = (qbyte)(((c >> 2) & 7) * (32.0f / 7.0f));s.colormod[2] = (qbyte)((c & 3) * (32.0f / 3.0f));}
        if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
        if (bits & U_FRAME2)    s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8);
        if (bits & U_MODEL2)    s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8);
@@ -278,7 +285,7 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_sta
                if (bits & U_EFFECTS2)          MSG_WriteByte(&buf, s->effects >> 8);
                if (bits & U_GLOWSIZE)          MSG_WriteByte(&buf, s->glowsize);
                if (bits & U_GLOWCOLOR)         MSG_WriteByte(&buf, s->glowcolor);
-               if (bits & U_COLORMOD)          MSG_WriteByte(&buf, s->colormod);
+               if (bits & U_COLORMOD)          {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[0] * (3.0f / 32.0f), 3) << 0);MSG_WriteByte(&buf, c);}
                if (bits & U_FRAME2)            MSG_WriteByte(&buf, s->frame >> 8);
                if (bits & U_MODEL2)            MSG_WriteByte(&buf, s->modelindex >> 8);
 
@@ -385,7 +392,7 @@ void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned
                if (bits & E_ORIGIN3)
                        MSG_WriteCoord16i(msg, ent->origin[2]);
        }
-       else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
+       else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
        {
                // LordHavoc: have to write flags first, as they can modify protocol
                if (bits & E_FLAGS)
@@ -409,7 +416,7 @@ void EntityState_WriteFields(const entity_state_t *ent, sizebuf_t *msg, unsigned
                                MSG_WriteCoord32f(msg, ent->origin[2]);
                }
        }
-       if (sv.protocol == PROTOCOL_DARKPLACES5 && !(ent->flags & RENDER_LOWPRECISION))
+       if ((sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6) && !(ent->flags & RENDER_LOWPRECISION))
        {
                if (bits & E_ANGLE1)
                        MSG_WriteAngle16i(msg, ent->angles[0]);
@@ -525,7 +532,7 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                if (bits & E_ORIGIN3)
                        e->origin[2] = MSG_ReadCoord16i();
        }
-       else if (cl.protocol == PROTOCOL_DARKPLACES1 || cl.protocol == PROTOCOL_DARKPLACES3 || cl.protocol == PROTOCOL_DARKPLACES4 || cl.protocol == PROTOCOL_DARKPLACES5)
+       else if (cl.protocol == PROTOCOL_DARKPLACES1 || cl.protocol == PROTOCOL_DARKPLACES3 || cl.protocol == PROTOCOL_DARKPLACES4 || cl.protocol == PROTOCOL_DARKPLACES5 || cl.protocol == PROTOCOL_DARKPLACES6)
        {
                if (bits & E_FLAGS)
                        e->flags = MSG_ReadByte();
@@ -548,7 +555,9 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                                e->origin[2] = MSG_ReadCoord32f();
                }
        }
-       if (cl.protocol == PROTOCOL_DARKPLACES5 && !(e->flags & RENDER_LOWPRECISION))
+       else
+               Host_Error("EntityState_ReadFields: unknown cl.protocol %i\n", cl.protocol);
+       if ((cl.protocol == PROTOCOL_DARKPLACES5 || cl.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
        {
                if (bits & E_ANGLE1)
                        e->angles[0] = MSG_ReadAngle16i();
@@ -646,10 +655,10 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                        Con_Printf(" E_GLOWSIZE %i", e->glowsize * 4);
                if (bits & E_GLOWCOLOR)
                        Con_Printf(" E_GLOWCOLOR %i", e->glowcolor);
-               
+
                if (bits & E_LIGHT)
                        Con_Printf(" E_LIGHT %i:%i:%i:%i", e->light[0], e->light[1], e->light[2], e->light[3]);
-               if (bits & E_LIGHTPFLAGS)                       
+               if (bits & E_LIGHTPFLAGS)
                        Con_Printf(" E_LIGHTPFLAGS %i", e->lightpflags);
 
                if (bits & E_TAGATTACHMENT)
@@ -682,8 +691,7 @@ void EntityFrame_ClearDatabase(entityframe_database_t *d)
 void EntityFrame_AckFrame(entityframe_database_t *d, int frame)
 {
        int i;
-       if (d->ackframenum < frame)
-               d->ackframenum = frame;
+       d->ackframenum = frame;
        for (i = 0;i < d->numframes && d->frames[i].framenum < frame;i++);
        // ignore outdated frame acks (out of order packets)
        if (i == 0)
@@ -801,7 +809,7 @@ void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numst
 
        EntityFrame_AddFrame(d, eye, d->latestframenum, numstates, states);
 
-       EntityFrame_FetchFrame(d, d->ackframenum > 0 ? d->ackframenum : -1, o);
+       EntityFrame_FetchFrame(d, d->ackframenum, o);
 
        MSG_WriteByte (msg, svc_entities);
        MSG_WriteLong (msg, o->framenum);
@@ -860,7 +868,9 @@ void EntityFrame_CL_ReadFrame(void)
        // read the frame header info
        f->time = cl.mtime[0];
        number = MSG_ReadLong();
-       cl.latestframenum = f->framenum = 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();
@@ -912,6 +922,12 @@ void EntityFrame_CL_ReadFrame(void)
                                *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 = true;
                        e->time = cl.mtime[0];
@@ -928,11 +944,11 @@ void EntityFrame_CL_ReadFrame(void)
        }
        EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
 
-       memset(cl_entities_active, 0, cl_max_entities * sizeof(qbyte));
+       memset(cl_entities_active, 0, cl_num_entities * sizeof(qbyte));
        number = 1;
        for (i = 0;i < f->numentities;i++)
        {
-               for (;number < f->entitydata[i].number;number++)
+               for (;number < f->entitydata[i].number && number < cl_num_entities;number++)
                {
                        if (cl_entities_active[number])
                        {
@@ -940,6 +956,8 @@ void EntityFrame_CL_ReadFrame(void)
                                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;
@@ -949,7 +967,7 @@ void EntityFrame_CL_ReadFrame(void)
                cl_entities_active[number] = true;
                number++;
        }
-       for (;number < cl_max_entities;number++)
+       for (;number < cl_num_entities;number++)
        {
                if (cl_entities_active[number])
                {
@@ -1020,7 +1038,6 @@ entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
        d = Mem_Alloc(pool, sizeof(*d));
        d->mempool = pool;
        EntityFrame4_ResetDatabase(d);
-       d->ackframenum = -1;
        return d;
 }
 
@@ -1038,7 +1055,6 @@ void EntityFrame4_FreeDatabase(entityframe4_database_t *d)
 void EntityFrame4_ResetDatabase(entityframe4_database_t *d)
 {
        int i;
-       d->ackframenum = -1;
        d->referenceframenum = -1;
        for (i = 0;i < MAX_ENTITY_HISTORY;i++)
                d->commit[i].numentities = 0;
@@ -1119,7 +1135,9 @@ void EntityFrame4_CL_ReadFrame(void)
        // read the number of the frame this refers to
        referenceframenum = MSG_ReadLong();
        // read the number of this frame
-       cl.latestframenum = framenum = MSG_ReadLong();
+       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 >= 1)
@@ -1141,7 +1159,7 @@ void EntityFrame4_CL_ReadFrame(void)
                if (!d->commit[i].numentities)
                {
                        d->currentcommit = d->commit + i;
-                       d->currentcommit->framenum = d->ackframenum = framenum;
+                       d->currentcommit->framenum = framenum;
                        d->currentcommit->numentities = 0;
                }
        }
@@ -1166,12 +1184,19 @@ void EntityFrame4_CL_ReadFrame(void)
                }
                // 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)
+                       if (skip || enumber >= cl_num_entities)
                        {
                                if (enumber == cnumber && (n & 0x8000) == 0)
                                {
@@ -1356,7 +1381,6 @@ void EntityFrame5_ResetDatabase(entityframe5_database_t *d)
        int i;
        memset(d, 0, sizeof(*d));
        d->latestframenum = 0;
-       d->ackframenum = -1;
        for (i = 0;i < MAX_EDICTS;i++)
                d->states[i] = defaultstate;
 }
@@ -1521,6 +1545,12 @@ void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbi
                        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]);
+               }
        }
 }
 
@@ -1564,15 +1594,15 @@ void EntityState5_ReadUpdate(entity_state_t *s)
        {
                if (bits & E5_ANGLES16)
                {
-                       s->angles[0] = MSG_ReadAngle16i(); 
-                       s->angles[1] = MSG_ReadAngle16i(); 
-                       s->angles[2] = MSG_ReadAngle16i(); 
+                       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(); 
+                       s->angles[0] = MSG_ReadAngle8i();
+                       s->angles[1] = MSG_ReadAngle8i();
+                       s->angles[2] = MSG_ReadAngle8i();
                }
        }
        if (bits & E5_MODEL)
@@ -1625,6 +1655,12 @@ void EntityState5_ReadUpdate(entity_state_t *s)
                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)
@@ -1676,6 +1712,8 @@ void EntityState5_ReadUpdate(entity_state_t *s)
                        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");
        }
 }
@@ -1713,6 +1751,8 @@ int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
                        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)
@@ -1722,17 +1762,27 @@ int EntityState5_DeltaBits(const entity_state_t *o, const entity_state_t *n)
 
 void EntityFrame5_CL_ReadFrame(void)
 {
-       int n, enumber;
+       int i, n, enumber;
        entity_t *ent;
        entity_state_t *s;
        // read the number of this frame to echo back in next input packet
-       cl.latestframenum = MSG_ReadLong();
+       for (i = 0;i < LATESTFRAMENUMS-1;i++)
+               cl.latestframenums[i] = cl.latestframenums[i+1];
+       cl.latestframenums[LATESTFRAMENUMS-1] = 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 and look it up
+               // 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;
@@ -1768,26 +1818,16 @@ void EntityFrame5_CL_ReadFrame(void)
        }
 }
 
-void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum, int viewentnum)
+void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum, int viewentnum)
 {
        int i, j, k, l, bits;
        entityframe5_changestate_t *s, *s2;
        entityframe5_packetlog_t *p, *p2;
-       if (framenum <= d->ackframenum)
-               return;
-       d->ackframenum = framenum;
-       // scan for packets made obsolete by this ack
+       qbyte statsdeltabits[(MAX_CL_STATS+7)/8];
+       // scan for packets that were lost
        for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
        {
-               // skip packets that are empty or in the future
-               if (p->packetnumber == 0 || p->packetnumber > framenum)
-                       continue;
-               // if the packetnumber matches it is deleted without any processing 
-               // (since it was received).
-               // if the packet number is less than this ack it was lost and its
-               // important information will be repeated in this update if it is not
-               // already obsolete due to a later update.
-               if (p->packetnumber < framenum)
+               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
@@ -1802,7 +1842,7 @@ void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum, int viewent
                                {
                                        if (p2->packetnumber > framenum)
                                        {
-                                               for (l = 0, s2 = p2->states;l < p2->numstates;l++, p2++)
+                                               for (l = 0, s2 = p2->states;l < p2->numstates;l++, s2++)
                                                {
                                                        if (s2->number == s->number)
                                                        {
@@ -1820,16 +1860,37 @@ void EntityFrame5_AckFrame(entityframe5_database_t *d, int framenum, int viewent
                                        d->priorities[s->number] = EntityState5_Priority(d, d->states + viewentnum, d->states + s->number, d->deltabits[s->number], d->latestframenum - d->updateframenum[s->number]);
                                }
                        }
+                       // 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] & ~d->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++)
+                                       d->statsdeltabits[l] |= statsdeltabits[l];
+                       }
+                       // delete this packet log as it is now obsolete
+                       p->packetnumber = 0;
                }
-               // 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;
+}
+
 int entityframe5_prioritychaincounts[E5_PROTOCOL_PRIORITYLEVELS];
 unsigned short entityframe5_prioritychains[E5_PROTOCOL_PRIORITYLEVELS][ENTITYFRAME5_MAXSTATES];
 
-void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum)
+void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int numstates, const entity_state_t *states, int viewentnum, int *stats)
 {
        const entity_state_t *n;
        int i, num, l, framenum, packetlognumber, priority;
@@ -1839,11 +1900,32 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
 
        framenum = d->latestframenum + 1;
 
+       // 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)
+       {
+               EntityFrame5_LostFrame(d, framenum, viewentnum);
+               packetlognumber = 0;
+       }
+
        // prepare the buffer
        memset(&buf, 0, sizeof(buf));
        buf.data = data;
        buf.maxsize = sizeof(data);
 
+       // detect changes in stats
+       for (i = 0;i < MAX_CL_STATS;i++)
+       {
+               if (d->stats[i] != stats[i])
+               {
+                       d->statsdeltabits[i>>3] |= (1<<(i&7));
+                       d->stats[i] = stats[i];
+               }
+       }
+
        // detect changes in states
        num = 0;
        for (i = 0, n = states;i < numstates;i++, n++)
@@ -1877,7 +1959,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                num++;
        }
        // all remaining entities are dead
-       for (;num < MAX_EDICTS;num++)
+       for (;num < sv.num_edicts;num++)
        {
                if (CHECKPVSBIT(d->visiblebits, num))
                {
@@ -1892,7 +1974,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
        // build lists of entities by priority level
        memset(entityframe5_prioritychaincounts, 0, sizeof(entityframe5_prioritychaincounts));
        l = 0;
-       for (num = 0;num < MAX_EDICTS;num++)
+       for (num = 0;num < sv.num_edicts;num++)
        {
                if (d->priorities[num])
                {
@@ -1903,52 +1985,64 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                }
        }
 
-       // return early if there are no entities to send this time
-       if (l == 0)
-               return;
-
+       // add packetlog entry
+       packetlog = d->packetlog + packetlognumber;
+       packetlog->packetnumber = framenum;
+       packetlog->numstates = 0;
+       // write stat updates
+       if (sv.protocol == PROTOCOL_DARKPLACES6)
+       {
+               for (i = 0;i < MAX_CL_STATS;i++)
+               {
+                       if (d->statsdeltabits[i>>3] & (1<<(i&7)))
+                       {
+                               d->statsdeltabits[i>>3] &= ~(1<<(i&7));
+                               packetlog->statsdeltabits[i>>3] |= (1<<(i&7));
+                               if (d->stats[i] >= 0 && d->stats[i] < 256)
+                               {
+                                       MSG_WriteByte(msg, svc_updatestatubyte);
+                                       MSG_WriteByte(msg, i);
+                                       MSG_WriteByte(msg, d->stats[i]);
+                               }
+                               else
+                               {
+                                       MSG_WriteByte(msg, svc_updatestat);
+                                       MSG_WriteByte(msg, i);
+                                       MSG_WriteLong(msg, d->stats[i]);
+                               }
+                       }
+               }
+       }
+       // write state updates
        d->latestframenum = framenum;
        MSG_WriteByte(msg, svc_entities);
        MSG_WriteLong(msg, framenum);
-
-       // if packet log is full, an empty update is still written
-       // (otherwise the client might have nothing to ack to remove packetlogs)
-       for (packetlognumber = 0, packetlog = d->packetlog;packetlognumber < ENTITYFRAME5_MAXPACKETLOGS;packetlognumber++, packetlog++)
-               if (packetlog->packetnumber == 0)
-                       break;
-       if (packetlognumber < ENTITYFRAME5_MAXPACKETLOGS)
+       for (priority = E5_PROTOCOL_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
        {
-               // write to packet and log
-               packetlog->packetnumber = framenum;
-               packetlog->numstates = 0;
-               for (priority = E5_PROTOCOL_PRIORITYLEVELS - 1;priority >= 0 && packetlog->numstates < ENTITYFRAME5_MAXSTATES;priority--)
+               for (i = 0;i < entityframe5_prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
                {
-                       for (i = 0;i < entityframe5_prioritychaincounts[priority] && packetlog->numstates < ENTITYFRAME5_MAXSTATES;i++)
-                       {
-                               num = entityframe5_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;
-                       }
+                       num = entityframe5_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);
 }