]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_main.c
Lots of str[n]cat, str[n]cpy, and [v]sprintf have been replaced by strlcat, strlcpy...
[xonotic/darkplaces.git] / sv_main.c
index d9fb0507e6b0177c31703ce4b61346a0a3f5e39a..ac6368249cca465938f4f9b4cb49f219079259cc 100644 (file)
--- a/sv_main.c
+++ b/sv_main.c
@@ -20,10 +20,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // sv_main.c -- server main program
 
 #include "quakedef.h"
-#include "portals.h"
 
 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose
-static cvar_t sv_cullentities_portal = {0, "sv_cullentities_portal", "0"}; // extremely accurate visibility checking, but too slow
 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "1"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
@@ -61,7 +59,6 @@ void SV_Init (void)
        Cvar_RegisterVariable (&sv_nostep);
        Cvar_RegisterVariable (&sv_deltacompress);
        Cvar_RegisterVariable (&sv_cullentities_pvs);
-       Cvar_RegisterVariable (&sv_cullentities_portal);
        Cvar_RegisterVariable (&sv_cullentities_trace);
        Cvar_RegisterVariable (&sv_cullentities_stats);
        Cvar_RegisterVariable (&sv_entpatch);
@@ -72,7 +69,7 @@ void SV_Init (void)
        for (i = 0;i < MAX_MODELS;i++)
                sprintf (localmodels[i], "*%i", i);
 
-       sv_edicts_mempool = Mem_AllocPool("edicts");
+       sv_edicts_mempool = Mem_AllocPool("server edicts");
 }
 
 /*
@@ -94,7 +91,7 @@ void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 {
        int             i, v;
 
-       if (sv.datagram.cursize > MAX_DATAGRAM-16)
+       if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
                return;
        MSG_WriteByte (&sv.datagram, svc_particle);
        MSG_WriteDPCoord (&sv.datagram, org[0]);
@@ -122,10 +119,10 @@ Make sure the event gets sent to all clients
 */
 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 {
-       if (sv.datagram.cursize > MAX_DATAGRAM-18)
-               return;
        if (modelindex >= 256 || startframe >= 256)
        {
+               if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
+                       return;
                MSG_WriteByte (&sv.datagram, svc_effect2);
                MSG_WriteDPCoord (&sv.datagram, org[0]);
                MSG_WriteDPCoord (&sv.datagram, org[1]);
@@ -137,6 +134,8 @@ void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount,
        }
        else
        {
+               if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
+                       return;
                MSG_WriteByte (&sv.datagram, svc_effect);
                MSG_WriteDPCoord (&sv.datagram, org[0]);
                MSG_WriteDPCoord (&sv.datagram, org[1]);
@@ -176,7 +175,7 @@ void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, floa
        if (channel < 0 || channel > 7)
                Host_Error ("SV_StartSound: channel = %i", channel);
 
-       if (sv.datagram.cursize > MAX_DATAGRAM-16)
+       if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
                return;
 
 // find precache number for sound
@@ -246,18 +245,20 @@ void SV_SendServerinfo (client_t *client)
        char                    message[128];
 
        // edicts get reallocated on level changes, so we need to update it here
-       client->edict = EDICT_NUM((client - svs.clients) + 1);
+       client->edict = EDICT_NUM(client->number + 1);
 
        // LordHavoc: clear entityframe tracking
        client->entityframenumber = 0;
-       EntityFrame_ClearDatabase(&client->entitydatabase);
+       if (client->entitydatabase4)
+               EntityFrame4_FreeDatabase(client->entitydatabase4);
+       client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
 
        MSG_WriteByte (&client->message, svc_print);
        sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
        MSG_WriteString (&client->message,message);
 
        MSG_WriteByte (&client->message, svc_serverinfo);
-       MSG_WriteLong (&client->message, DPPROTOCOL_VERSION3);
+       MSG_WriteLong (&client->message, PROTOCOL_DARKPLACES4);
        MSG_WriteByte (&client->message, svs.maxclients);
 
        if (!coop.integer && deathmatch.integer)
@@ -311,13 +312,14 @@ void SV_ConnectClient (int clientnum, netconn_t *netconnection)
        if (sv.loadgame)
                memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
        memset (client, 0, sizeof(*client));
+       client->active = true;
        client->netconnection = netconnection;
 
        Con_DPrintf("Client %s connected\n", client->netconnection->address);
 
        strcpy(client->name, "unconnected");
        strcpy(client->old_name, "unconnected");
-       client->active = true;
+       client->number = clientnum;
        client->spawned = false;
        client->edict = EDICT_NUM(clientnum+1);
        client->message.data = client->msgbuf;
@@ -368,96 +370,8 @@ crosses a waterline.
 =============================================================================
 */
 
-int            fatbytes;
-qbyte  fatpvs[MAX_MAP_LEAFS/8];
-
-void SV_AddToFatPVS (vec3_t org, mnode_t *node)
-{
-       int             i;
-       qbyte   *pvs;
-       mplane_t        *plane;
-       float   d;
-
-       while (1)
-       {
-       // if this is a leaf, accumulate the pvs bits
-               if (node->contents < 0)
-               {
-                       if (node->contents != CONTENTS_SOLID)
-                       {
-                               pvs = sv.worldmodel->brushq1.LeafPVS(sv.worldmodel, (mleaf_t *)node);
-                               for (i=0 ; i<fatbytes ; i++)
-                                       fatpvs[i] |= pvs[i];
-                       }
-                       return;
-               }
-
-               plane = node->plane;
-               d = DotProduct (org, plane->normal) - plane->dist;
-               if (d > 8)
-                       node = node->children[0];
-               else if (d < -8)
-                       node = node->children[1];
-               else
-               {       // go down both
-                       SV_AddToFatPVS (org, node->children[0]);
-                       node = node->children[1];
-               }
-       }
-}
-
-/*
-=============
-SV_FatPVS
-
-Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
-given point.
-=============
-*/
-qbyte *SV_FatPVS (vec3_t org)
-{
-       fatbytes = (sv.worldmodel->brushq1.numleafs+31)>>3;
-       memset (fatpvs, 0, fatbytes);
-       SV_AddToFatPVS (org, sv.worldmodel->brushq1.nodes);
-       return fatpvs;
-}
-
-//=============================================================================
-
-
-int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
-{
-       int leafnum;
-loc0:
-       if (node->contents < 0)
-       {
-               // leaf
-               if (node->contents == CONTENTS_SOLID)
-                       return false;
-               leafnum = (mleaf_t *)node - sv.worldmodel->brushq1.leafs - 1;
-               return pvs[leafnum >> 3] & (1 << (leafnum & 7));
-       }
-
-       // node - recurse down the BSP tree
-       switch (BoxOnPlaneSide(mins, maxs, node->plane))
-       {
-       case 1: // front
-               node = node->children[0];
-               goto loc0;
-       case 2: // back
-               node = node->children[1];
-               goto loc0;
-       default: // crossing
-               if (node->children[0]->contents != CONTENTS_SOLID)
-                       if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
-                               return true;
-               node = node->children[1];
-               goto loc0;
-       }
-       // never reached
-       return false;
-}
-
+int sv_writeentitiestoclient_pvsbytes;
+qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 
 /*
 =============
@@ -469,7 +383,7 @@ SV_WriteEntitiesToClient
 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 {
        int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
-       int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
+       int culled_pvs, culled_trace, visibleentities, totalentities;
        qbyte *pvs;
        vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
        float nextfullupdate, alphaf;
@@ -482,10 +396,11 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
 
 // find the client's PVS
        VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
-       pvs = SV_FatPVS (testeye);
+       fatbytes = 0;
+       if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
+               fatbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 
        culled_pvs = 0;
-       culled_portal = 0;
        culled_trace = 0;
        visibleentities = 0;
        totalentities = 0;
@@ -583,28 +498,22 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
                        totalentities++;
 
                        // if not touching a visible leaf
-                       if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->brushq1.nodes))
+                       if (sv_cullentities_pvs.integer && fatbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, entmins, entmaxs))
                        {
                                culled_pvs++;
                                continue;
                        }
 
-                       // or not visible through the portals
-                       if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
-                       {
-                               culled_portal++;
-                               continue;
-                       }
-
                        // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
-                       if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
+                       if (sv_cullentities_trace.integer && (model == NULL || model->brush.TraceBox == NULL || model->name[0] != '*'))
                        {
                                // LordHavoc: test random offsets, to maximize chance of detection
                                testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
                                testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
                                testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
 
-                               if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
+                               sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
+                               if (trace.fraction == 1)
                                        client->visibletime[e] = realtime + 1;
                                else
                                {
@@ -613,7 +522,8 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
                                        testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
                                        testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
 
-                                       if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
+                                       sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
+                                       if (trace.fraction == 1)
                                                client->visibletime[e] = realtime + 1;
                                        else if (realtime > client->visibletime[e])
                                        {
@@ -770,16 +680,16 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
                        MSG_WriteShort (msg,e);
                else
                        MSG_WriteByte (msg,e);
-               if (bits & U_MODEL)             MSG_WriteByte (msg,     ent->v->modelindex);
-               if (bits & U_FRAME)             MSG_WriteByte (msg, ent->v->frame);
-               if (bits & U_COLORMAP)  MSG_WriteByte (msg, ent->v->colormap);
-               if (bits & U_SKIN)              MSG_WriteByte (msg, ent->v->skin);
-               if (bits & U_EFFECTS)   MSG_WriteByte (msg, ent->v->effects);
-               if (bits & U_ORIGIN1)   MSG_WriteDPCoord (msg, origin[0]);
+               if (bits & U_MODEL)             MSG_WriteByte(msg,      ent->v->modelindex);
+               if (bits & U_FRAME)             MSG_WriteByte(msg, ent->v->frame);
+               if (bits & U_COLORMAP)  MSG_WriteByte(msg, ent->v->colormap);
+               if (bits & U_SKIN)              MSG_WriteByte(msg, ent->v->skin);
+               if (bits & U_EFFECTS)   MSG_WriteByte(msg, ent->v->effects);
+               if (bits & U_ORIGIN1)   MSG_WriteDPCoord(msg, origin[0]);
                if (bits & U_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
-               if (bits & U_ORIGIN2)   MSG_WriteDPCoord (msg, origin[1]);
+               if (bits & U_ORIGIN2)   MSG_WriteDPCoord(msg, origin[1]);
                if (bits & U_ANGLE2)    MSG_WriteAngle(msg, angles[1]);
-               if (bits & U_ORIGIN3)   MSG_WriteDPCoord (msg, origin[2]);
+               if (bits & U_ORIGIN3)   MSG_WriteDPCoord(msg, origin[2]);
                if (bits & U_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
 
                // LordHavoc: new stuff
@@ -793,7 +703,7 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
        }
 
        if (sv_cullentities_stats.integer)
-               Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace);
+               Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_trace, culled_pvs, culled_trace);
 }
 #else
 static int numsendentities;
@@ -803,9 +713,9 @@ static entity_state_t *sendentitiesindex[MAX_EDICTS];
 void SV_PrepareEntitiesForSending(void)
 {
        int e, i;
+       float f;
        edict_t *ent;
        entity_state_t cs;
-       eval_t *val;
        // send all entities that touch the pvs
        numsendentities = 0;
        sendentitiesindex[0] = NULL;
@@ -841,25 +751,33 @@ void SV_PrepareEntitiesForSending(void)
                if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
                        cs.modelindex = i;
 
-
                cs.alpha = 255;
-               i = (int)(GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
-               if (i)
+               f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
+               if (f)
+               {
+                       i = (int)f;
                        cs.alpha = (qbyte)bound(0, i, 255);
+               }
                // halflife
-               i = (int)(GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
-               if (i)
+               f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
+               if (f)
+               {
+                       i = (int)f;
                        cs.alpha = (qbyte)bound(0, i, 255);
+               }
 
                cs.scale = 16;
-               i = (int)(GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
-               if (i)
+               f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
+               if (f)
+               {
+                       i = (int)f;
                        cs.scale = (qbyte)bound(0, i, 255);
+               }
 
                cs.glowcolor = 254;
-               i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
-               if (i)
-                       cs.glowcolor = (int) val->_float;
+               f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
+               if (f)
+                       cs.glowcolor = (int)f;
 
                if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
                        cs.effects |= EF_FULLBRIGHT;
@@ -914,13 +832,11 @@ static int sententitiesmark = 0;
 static int sententities[MAX_EDICTS];
 static int sententitiesconsideration[MAX_EDICTS];
 static int sv_writeentitiestoclient_culled_pvs;
-static int sv_writeentitiestoclient_culled_portal;
 static int sv_writeentitiestoclient_culled_trace;
 static int sv_writeentitiestoclient_visibleentities;
 static int sv_writeentitiestoclient_totalentities;
-static entity_frame_t sv_writeentitiestoclient_entityframe;
+//static entity_frame_t sv_writeentitiestoclient_entityframe;
 static int sv_writeentitiestoclient_clentnum;
-static qbyte *sv_writeentitiestoclient_pvs;
 static vec3_t sv_writeentitiestoclient_testeye;
 static client_t *sv_writeentitiestoclient_client;
 
@@ -1001,17 +917,11 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                        lightmaxs[2] = min(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
                        sv_writeentitiestoclient_totalentities++;
                        // if not touching a visible leaf
-                       if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(sv_writeentitiestoclient_pvs, lightmins, lightmaxs, sv.worldmodel->brushq1.nodes))
+                       if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, lightmins, lightmaxs))
                        {
                                sv_writeentitiestoclient_culled_pvs++;
                                return;
                        }
-                       // or not visible through the portals
-                       if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, sv_writeentitiestoclient_testeye, lightmins, lightmaxs))
-                       {
-                               sv_writeentitiestoclient_culled_portal++;
-                               return;
-                       }
                        // or not seen by random tracelines
                        if (sv_cullentities_trace.integer)
                        {
@@ -1019,7 +929,7 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                                testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
                                testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
                                testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
-                               trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL);
+                               sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
                                if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
                                        sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
                                else
@@ -1028,7 +938,7 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                                        testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
                                        testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
                                        testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
-                                       trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL);
+                                       sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
                                        if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
                                                sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
                                        else
@@ -1039,7 +949,7 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                                                        testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
                                                        testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
                                                        testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
-                                                       trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL);
+                                                       sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
                                                        if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
                                                                sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
                                                }
@@ -1065,11 +975,33 @@ void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
        int i;
        vec3_t testorigin;
        entity_state_t *s;
+       entity_database4_t *d;
+       int maxbytes, n, startnumber;
+       entity_state_t *e, inactiveentitystate;
+       sizebuf_t buf;
+       qbyte data[128];
+       // prepare the buffer
+       memset(&buf, 0, sizeof(buf));
+       buf.data = data;
+       buf.maxsize = sizeof(data);
+
+       d = client->entitydatabase4;
+
+       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
+       ClearStateToDefault(&inactiveentitystate);
+       //inactiveentitystate = defaultstate;
 
        sv_writeentitiestoclient_client = client;
 
        sv_writeentitiestoclient_culled_pvs = 0;
-       sv_writeentitiestoclient_culled_portal = 0;
        sv_writeentitiestoclient_culled_trace = 0;
        sv_writeentitiestoclient_visibleentities = 0;
        sv_writeentitiestoclient_totalentities = 0;
@@ -1079,7 +1011,9 @@ void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
 // find the client's PVS
        // the real place being tested from
        VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
-       sv_writeentitiestoclient_pvs = SV_FatPVS(sv_writeentitiestoclient_testeye);
+       sv_writeentitiestoclient_pvsbytes = 0;
+       if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
+               sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 
        sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 
@@ -1097,26 +1031,92 @@ void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
        for (i = 0;i < numsendentities;i++)
                SV_MarkWriteEntityStateToClient(sendentities + i);
 
-       EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin, ++client->entityframenumber);
-       for (i = 0;i < numsendentities;i++)
+       // calculate maximum bytes to allow in this packet
+       // deduct 4 to account for the end data
+       maxbytes = min(msg->maxsize, MAX_PACKETFRAGMENT) - 4;
+
+       d->currentcommit->numentities = 0;
+       d->currentcommit->framenum = ++client->entityframenumber;
+       MSG_WriteByte(msg, svc_entities);
+       MSG_WriteLong(msg, d->referenceframenum);
+       MSG_WriteLong(msg, d->currentcommit->framenum);
+       if (developer_networkentities.integer >= 1)
        {
-               s = sendentities + i;
-               if (sententities[s->number] == sententitiesmark)
+               Con_Printf("send svc_entities ref:%i num:%i (database: ref:%i commits:", d->referenceframenum, d->currentcommit->framenum, d->referenceframenum);
+               for (i = 0;i < MAX_ENTITY_HISTORY;i++)
+                       if (d->commit[i].numentities)
+                               Con_Printf(" %i", d->commit[i].framenum);
+               Con_Printf(")\n");
+       }
+       if (d->currententitynumber >= sv.max_edicts)
+               startnumber = 1;
+       else
+               startnumber = bound(1, d->currententitynumber, sv.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 < sv.max_edicts;n++)
+       {
+               // find the old state to delta from
+               e = EntityFrame4_GetReferenceEntity(d, n);
+               // prepare the buffer
+               SZ_Clear(&buf);
+               // make the message
+               if (sententities[n] == sententitiesmark)
                {
+                       // entity exists, build an update (if empty there is no change)
+                       // find the state in the list
+                       for (;i < numsendentities && sendentities[i].number < n;i++);
+                       s = sendentities + i;
+                       if (s->number != n)
+                               Sys_Error("SV_WriteEntitiesToClient: s->number != n\n");
+                       // build the update
                        if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
                        {
                                s->flags |= RENDER_EXTERIORMODEL;
-                               EntityFrame_AddEntity(&sv_writeentitiestoclient_entityframe, s);
+                               EntityState_Write(s, &buf, e);
                                s->flags &= ~RENDER_EXTERIORMODEL;
                        }
                        else
-                               EntityFrame_AddEntity(&sv_writeentitiestoclient_entityframe, s);
+                               EntityState_Write(s, &buf, e);
+               }
+               else
+               {
+                       s = &inactiveentitystate;
+                       s->number = n;
+                       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 > maxbytes)
+               {
+                       // 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);
                }
        }
-       EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg);
+       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;
 
        if (sv_cullentities_stats.integer)
-               Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_portal + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_portal, sv_writeentitiestoclient_culled_trace);
+               Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
 }
 #endif
 
@@ -1207,7 +1207,7 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        if ( ent->v->waterlevel >= 2)
                bits |= SU_INWATER;
 
-       // dpprotocol
+       // PROTOCOL_DARKPLACES
        VectorClear(punchvector);
        if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
                VectorCopy(val->vector, punchvector);
@@ -1230,8 +1230,8 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        {
                if (ent->v->punchangle[i])
                        bits |= (SU_PUNCH1<<i);
-               if (punchvector[i]) // dpprotocol
-                       bits |= (SU_PUNCHVEC1<<i); // dpprotocol
+               if (punchvector[i]) // PROTOCOL_DARKPLACES
+                       bits |= (SU_PUNCHVEC1<<i); // PROTOCOL_DARKPLACES
                if (ent->v->velocity[i])
                        bits |= (SU_VELOCITY1<<i);
        }
@@ -1267,9 +1267,9 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        for (i=0 ; i<3 ; i++)
        {
                if (bits & (SU_PUNCH1<<i))
-                       MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
-               if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
-                       MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
+                       MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // PROTOCOL_DARKPLACES
+               if (bits & (SU_PUNCHVEC1<<i)) // PROTOCOL_DARKPLACES
+                       MSG_WriteDPCoord(msg, punchvector[i]); // PROTOCOL_DARKPLACES
                if (bits & (SU_VELOCITY1<<i))
                        MSG_WriteChar (msg, ent->v->velocity[i]/16);
        }
@@ -1291,7 +1291,7 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        MSG_WriteByte (msg, ent->v->ammo_rockets);
        MSG_WriteByte (msg, ent->v->ammo_cells);
 
-       if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
+       if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
        {
                for(i=0;i<32;i++)
                {
@@ -1360,75 +1360,68 @@ void SV_UpdateToReliableMessages (void)
        char *s;
 
 // check for changes to be sent over the reliable streams
-       for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
        {
-               // only update the client fields if they've spawned in
-               if (host_client->spawned)
+               // update the host_client fields we care about according to the entity fields
+               sv_player = EDICT_NUM(i+1);
+               s = PR_GetString(sv_player->v->netname);
+               if (s != host_client->name)
                {
-                       // update the host_client fields we care about according to the entity fields
-                       sv_player = host_client->edict;
-                       s = PR_GetString(sv_player->v->netname);
-                       if (s != host_client->name)
-                       {
-                               if (s == NULL)
-                                       s = "";
-                               // point the string back at host_client->name to keep it safe
-                               strncpy(host_client->name, s, sizeof(host_client->name) - 1);
-                               sv_player->v->netname = PR_SetString(host_client->name);
-                       }
-                       if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
-                               host_client->colors = val->_float;
-                       host_client->frags = sv_player->v->frags;
-                       if (gamemode == GAME_NEHAHRA)
-                               if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
-                                       host_client->pmodel = val->_float;
-
-                       // if the fields changed, send messages about the changes
-                       if (strcmp(host_client->old_name, host_client->name))
+                       if (s == NULL)
+                               s = "";
+                       // point the string back at host_client->name to keep it safe
+                       strlcpy (host_client->name, s, sizeof (host_client->name));
+                       sv_player->v->netname = PR_SetString(host_client->name);
+               }
+               if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
+                       host_client->colors = val->_float;
+               host_client->frags = sv_player->v->frags;
+               if (gamemode == GAME_NEHAHRA)
+                       if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
+                               host_client->pmodel = val->_float;
+
+               // if the fields changed, send messages about the changes
+               if (strcmp(host_client->old_name, host_client->name))
+               {
+                       strcpy(host_client->old_name, host_client->name);
+                       for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
                        {
-                               strcpy(host_client->old_name, host_client->name);
-                               for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
-                               {
-                                       if (!client->active || !client->spawned)
-                                               continue;
-                                       MSG_WriteByte (&client->message, svc_updatename);
-                                       MSG_WriteByte (&client->message, i);
-                                       MSG_WriteString (&client->message, host_client->name);
-                               }
+                               if (!client->spawned || !client->netconnection)
+                                       continue;
+                               MSG_WriteByte (&client->message, svc_updatename);
+                               MSG_WriteByte (&client->message, i);
+                               MSG_WriteString (&client->message, host_client->name);
                        }
-                       if (host_client->old_colors != host_client->colors)
+               }
+               if (host_client->old_colors != host_client->colors)
+               {
+                       host_client->old_colors = host_client->colors;
+                       for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
                        {
-                               host_client->old_colors = host_client->colors;
-                               for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
-                               {
-                                       if (!client->active || !client->spawned)
-                                               continue;
-                                       MSG_WriteByte (&client->message, svc_updatecolors);
-                                       MSG_WriteByte (&client->message, i);
-                                       MSG_WriteByte (&client->message, host_client->colors);
-                               }
+                               if (!client->spawned || !client->netconnection)
+                                       continue;
+                               MSG_WriteByte (&client->message, svc_updatecolors);
+                               MSG_WriteByte (&client->message, i);
+                               MSG_WriteByte (&client->message, host_client->colors);
                        }
-                       if (host_client->old_frags != host_client->frags)
+               }
+               if (host_client->old_frags != host_client->frags)
+               {
+                       host_client->old_frags = host_client->frags;
+                       for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
                        {
-                               host_client->old_frags = host_client->frags;
-                               for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
-                               {
-                                       if (!client->active || !client->spawned)
-                                               continue;
-                                       MSG_WriteByte (&client->message, svc_updatefrags);
-                                       MSG_WriteByte (&client->message, i);
-                                       MSG_WriteShort (&client->message, host_client->frags);
-                               }
+                               if (!client->spawned || !client->netconnection)
+                                       continue;
+                               MSG_WriteByte (&client->message, svc_updatefrags);
+                               MSG_WriteByte (&client->message, i);
+                               MSG_WriteShort (&client->message, host_client->frags);
                        }
                }
        }
 
-       for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
-       {
-               if (!client->active)
-                       continue;
-               SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
-       }
+       for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
+               if (client->netconnection)
+                       SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
 
        SZ_Clear (&sv.reliable_datagram);
 }
@@ -1471,12 +1464,17 @@ void SV_SendClientMessages (void)
        SV_UpdateToReliableMessages();
 
 // build individual updates
-       for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
        {
                if (!host_client->active)
                        continue;
+               if (!host_client->netconnection)
+               {
+                       SZ_Clear(&host_client->message);
+                       continue;
+               }
 
-               if (host_client->deadsocket)
+               if (host_client->deadsocket || host_client->message.overflowed)
                {
                        SV_DropClient (true);   // if the message couldn't send, kick off
                        continue;
@@ -1508,16 +1506,6 @@ void SV_SendClientMessages (void)
                        }
                }
 
-               // check for an overflowed message.  Should only happen
-               // on a very fucked up connection that backs up a lot, then
-               // changes level
-               if (host_client->message.overflowed)
-               {
-                       SV_DropClient (true); // overflowed
-                       host_client->message.overflowed = false;
-                       continue;
-               }
-
                if (host_client->message.cursize || host_client->dropasap)
                {
                        if (!NetConn_CanSendMessage (host_client->netconnection))
@@ -1684,7 +1672,7 @@ void SV_SaveSpawnparms (void)
 
        svs.serverflags = pr_global_struct->serverflags;
 
-       for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
        {
                if (!host_client->active)
                        continue;
@@ -1718,7 +1706,7 @@ void SV_IncreaseEdicts(void)
        }
        SV_ClearWorld();
 
-       sv.max_edicts   = min(sv.max_edicts + 32, MAX_EDICTS);
+       sv.max_edicts   = min(sv.max_edicts + 256, MAX_EDICTS);
        sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
        sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
        sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
@@ -1767,9 +1755,9 @@ void SV_SpawnServer (const char *server)
 // tell all connected clients that we are going to a new level
 //
        if (sv.active)
-               SV_SendReconnect ();
+               SV_SendReconnect();
        else
-               NetConn_OpenServerPorts(svs.maxclients > 1);
+               NetConn_OpenServerPorts(true);
 
 //
 // make cvars consistant
@@ -1794,7 +1782,7 @@ void SV_SpawnServer (const char *server)
 
 // allocate server memory
        // start out with just enough room for clients and a reasonable estimate of entities
-       sv.max_edicts = ((svs.maxclients + 128) + 31) & ~31;
+       sv.max_edicts = max(svs.maxclients + 1, 512);
        sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
 
        // clear the edict memory pool
@@ -1856,7 +1844,7 @@ void SV_SpawnServer (const char *server)
 
        sv.model_precache[0] = "";
        sv.model_precache[1] = sv.modelname;
-       for (i = 1;i < sv.worldmodel->brushq1.numsubmodels;i++)
+       for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
        {
                sv.model_precache[i+1] = localmodels[i];
                sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
@@ -1920,9 +1908,9 @@ void SV_SpawnServer (const char *server)
 #endif
 
 // send serverinfo to all connected clients
-       for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
-               if (host_client->active)
-                       SV_SendServerinfo (host_client);
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
+               if (host_client->netconnection)
+                       SV_SendServerinfo(host_client);
 
        Con_DPrintf ("Server spawned.\n");
        NetConn_Heartbeat (2);