]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_main.c
-Added the cvar sv_progs, which allows you to set the name of the server
[xonotic/darkplaces.git] / sv_main.c
index fb24afd7093155931eaa732b151ce5e0e4874fdf..d4b6b2d50552436570e197a2c597ee6beb5b40cf 100644 (file)
--- a/sv_main.c
+++ b/sv_main.c
@@ -21,21 +21,38 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.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
+// select which protocol to host, by name
+// this is named the same as PROTOCOL_DARKPLACES6 for example, minus the PROTOCOL_ prefix
+cvar_t sv_protocolname = {0, "sv_protocolname", "DARKPLACES6"};
+cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0"};
+cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000"};
+
+static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1"}; // fast but loose
+static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0"}; // 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"};
 
-server_t               sv;
-server_static_t        svs;
+extern cvar_t sys_ticrate;
 
-static char localmodels[MAX_MODELS][5];                        // inline model names for precache
+cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1"};
+cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1"};
+cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1"};
+cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1"};
+cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1"};
+cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1"};
 
-static mempool_t *sv_edicts_mempool = NULL;
+cvar_t sv_progs = {0, "sv_progs", "progs.dat" };
+
+server_t sv;
+server_static_t svs;
+
+mempool_t *sv_edicts_mempool = NULL;
 
 //============================================================================
 
 extern void SV_Phys_Init (void);
+extern void SV_World_Init (void);
+static void SV_SaveEntFile_f(void);
 
 /*
 ===============
@@ -44,8 +61,7 @@ SV_Init
 */
 void SV_Init (void)
 {
-       int i;
-
+       Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
        Cvar_RegisterVariable (&sv_maxvelocity);
        Cvar_RegisterVariable (&sv_gravity);
        Cvar_RegisterVariable (&sv_friction);
@@ -56,21 +72,41 @@ void SV_Init (void)
        Cvar_RegisterVariable (&sv_idealpitchscale);
        Cvar_RegisterVariable (&sv_aim);
        Cvar_RegisterVariable (&sv_nostep);
-       Cvar_RegisterVariable (&sv_predict);
        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);
+       Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
+       Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
+       Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
+       Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
+       Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
+       Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
+       Cvar_RegisterVariable (&sv_protocolname);
+       Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
+       Cvar_RegisterVariable (&sv_maxrate);
+       Cvar_RegisterVariable (&sv_progs);
 
        SV_Phys_Init();
+       SV_World_Init();
 
-       for (i = 0;i < MAX_MODELS;i++)
-               sprintf (localmodels[i], "*%i", i);
+       sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
+}
 
-       sv_edicts_mempool = Mem_AllocPool("edicts");
+static void SV_SaveEntFile_f(void)
+{
+       char basename[MAX_QPATH];
+       if (!sv.active || !sv.worldmodel)
+       {
+               Con_Print("Not running a server\n");
+               return;
+       }
+       FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
+       FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
 }
 
+
 /*
 =============================================================================
 
@@ -90,12 +126,12 @@ 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]);
-       MSG_WriteDPCoord (&sv.datagram, org[1]);
-       MSG_WriteDPCoord (&sv.datagram, org[2]);
+       MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
+       MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
+       MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
        for (i=0 ; i<3 ; i++)
        {
                v = dir[i]*16;
@@ -118,14 +154,14 @@ 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]);
-               MSG_WriteDPCoord (&sv.datagram, org[2]);
+               MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
+               MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
+               MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
                MSG_WriteShort (&sv.datagram, modelindex);
                MSG_WriteShort (&sv.datagram, startframe);
                MSG_WriteByte (&sv.datagram, framecount);
@@ -133,10 +169,12 @@ 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]);
-               MSG_WriteDPCoord (&sv.datagram, org[2]);
+               MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
+               MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
+               MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
                MSG_WriteByte (&sv.datagram, modelindex);
                MSG_WriteByte (&sv.datagram, startframe);
                MSG_WriteByte (&sv.datagram, framecount);
@@ -159,13 +197,9 @@ Larger attenuations will drop off.  (max 4 attenuation)
 
 ==================
 */
-void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
-    float attenuation)
+void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
 {
-    int         sound_num;
-    int field_mask;
-    int                        i;
-       int                     ent;
+       int sound_num, field_mask, i, ent;
 
        if (volume < 0 || volume > 255)
                Host_Error ("SV_StartSound: volume = %i", volume);
@@ -176,48 +210,46 @@ void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
        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
-    for (sound_num=1 ; sound_num<MAX_SOUNDS
-        && sv.sound_precache[sound_num] ; sound_num++)
-        if (!strcmp(sample, sv.sound_precache[sound_num]))
-            break;
-
-    if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
-    {
-        Con_Printf ("SV_StartSound: %s not precached\n", sample);
-        return;
-    }
+       sound_num = SV_SoundIndex(sample, 1);
+       if (!sound_num)
+               return;
 
        ent = NUM_FOR_EDICT(entity);
 
-       channel = (ent<<3) | channel;
-
        field_mask = 0;
        if (volume != DEFAULT_SOUND_PACKET_VOLUME)
                field_mask |= SND_VOLUME;
        if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
                field_mask |= SND_ATTENUATION;
+       if (ent >= 8192)
+               field_mask |= SND_LARGEENTITY;
+       if (sound_num >= 256 || channel >= 8)
+               field_mask |= SND_LARGESOUND;
 
 // directed messages go only to the entity they are targeted on
-       if (sound_num >= 256)
-               MSG_WriteByte (&sv.datagram, svc_sound2);
-       else
-               MSG_WriteByte (&sv.datagram, svc_sound);
+       MSG_WriteByte (&sv.datagram, svc_sound);
        MSG_WriteByte (&sv.datagram, field_mask);
        if (field_mask & SND_VOLUME)
                MSG_WriteByte (&sv.datagram, volume);
        if (field_mask & SND_ATTENUATION)
                MSG_WriteByte (&sv.datagram, attenuation*64);
-       MSG_WriteShort (&sv.datagram, channel);
-       if (sound_num >= 256)
+       if (field_mask & SND_LARGEENTITY)
+       {
+               MSG_WriteShort (&sv.datagram, ent);
+               MSG_WriteByte (&sv.datagram, channel);
+       }
+       else
+               MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
+       if (field_mask & SND_LARGESOUND)
                MSG_WriteShort (&sv.datagram, sound_num);
        else
                MSG_WriteByte (&sv.datagram, sound_num);
-       for (i=0 ; i<3 ; i++)
-               MSG_WriteDPCoord (&sv.datagram, entity->v.origin[i]+0.5*(entity->v.mins[i]+entity->v.maxs[i]));
+       for (i = 0;i < 3;i++)
+               MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
 }
 
 /*
@@ -238,19 +270,55 @@ This will be sent on the initial connection and upon each server load.
 */
 void SV_SendServerinfo (client_t *client)
 {
-       char                    **s;
-       char                    message[2048];
+       int i;
+       char message[128];
+
+       // edicts get reallocated on level changes, so we need to update it here
+       client->edict = EDICT_NUM((client - svs.clients) + 1);
+
+       // if client is a botclient coming from a level change, we need to set up
+       // client info that normally requires networking
+       if (!client->netconnection)
+       {
+               // set up the edict
+               ED_ClearEdict(client->edict);
+
+               // copy spawn parms out of the client_t
+               for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
+                       (&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
+
+               // call the spawn function
+               pr_global_struct->time = sv.time;
+               pr_global_struct->self = EDICT_TO_PROG(client->edict);
+               PR_ExecuteProgram (pr_global_struct->ClientConnect, "QC function ClientConnect is missing");
+               PR_ExecuteProgram (pr_global_struct->PutClientInServer, "QC function PutClientInServer is missing");
+               host_client->spawned = true;
+               return;
+       }
 
        // LordHavoc: clear entityframe tracking
-       client->entityframenumber = 0;
-       EntityFrame_ClearDatabase(&client->entitydatabase);
+       client->latestframenum = 0;
+
+       if (client->entitydatabase)
+               EntityFrame_FreeDatabase(client->entitydatabase);
+       if (client->entitydatabase4)
+               EntityFrame4_FreeDatabase(client->entitydatabase4);
+       if (client->entitydatabase5)
+               EntityFrame5_FreeDatabase(client->entitydatabase5);
+
+       if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
+               client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
+       if (sv.protocol == PROTOCOL_DARKPLACES4)
+               client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
+       if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+               client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
 
        MSG_WriteByte (&client->message, svc_print);
-       sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
+       snprintf (message, sizeof (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, sv.protocol);
        MSG_WriteByte (&client->message, svs.maxclients);
 
        if (!coop.integer && deathmatch.integer)
@@ -258,22 +326,20 @@ void SV_SendServerinfo (client_t *client)
        else
                MSG_WriteByte (&client->message, GAME_COOP);
 
-       sprintf (message, pr_strings+sv.edicts->v.message);
+       MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
 
-       MSG_WriteString (&client->message,message);
-
-       for (s = sv.model_precache+1 ; *s ; s++)
-               MSG_WriteString (&client->message, *s);
+       for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
+               MSG_WriteString (&client->message, sv.model_precache[i]);
        MSG_WriteByte (&client->message, 0);
 
-       for (s = sv.sound_precache+1 ; *s ; s++)
-               MSG_WriteString (&client->message, *s);
+       for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
+               MSG_WriteString (&client->message, sv.sound_precache[i]);
        MSG_WriteByte (&client->message, 0);
 
 // send music
        MSG_WriteByte (&client->message, svc_cdtrack);
-       MSG_WriteByte (&client->message, sv.edicts->v.sounds);
-       MSG_WriteByte (&client->message, sv.edicts->v.sounds);
+       MSG_WriteByte (&client->message, sv.edicts->v->sounds);
+       MSG_WriteByte (&client->message, sv.edicts->v->sounds);
 
 // set view
        MSG_WriteByte (&client->message, svc_setview);
@@ -294,98 +360,56 @@ Initializes a client_t for a new net connection.  This will only be called
 once for a player each game, not once for each level change.
 ================
 */
-void SV_ConnectClient (int clientnum)
+void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 {
-       edict_t                 *ent;
        client_t                *client;
-       int                             edictnum;
-       struct qsocket_s *netconnection;
        int                             i;
        float                   spawn_parms[NUM_SPAWN_PARMS];
 
        client = svs.clients + clientnum;
 
-       Con_DPrintf ("Client %s connected\n", client->netconnection->address);
-
-       edictnum = clientnum+1;
-
-       ent = EDICT_NUM(edictnum);
-
 // set up the client_t
-       netconnection = client->netconnection;
-
        if (sv.loadgame)
                memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
        memset (client, 0, sizeof(*client));
+       client->active = true;
        client->netconnection = netconnection;
 
-       strcpy (client->name, "unconnected");
-       client->active = true;
+       Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
+
+       strcpy(client->name, "unconnected");
+       strcpy(client->old_name, "unconnected");
        client->spawned = false;
-       client->edict = ent;
+       client->edict = EDICT_NUM(clientnum+1);
        client->message.data = client->msgbuf;
        client->message.maxsize = sizeof(client->msgbuf);
        client->message.allowoverflow = true;           // we can catch it
+       // updated by receiving "rate" command from client
+       client->rate = NET_MINRATE;
+       // no limits for local player
+       if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
+               client->rate = 1000000000;
+       client->connecttime = realtime;
 
        if (sv.loadgame)
                memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
        else
        {
-       // call the progs to get default spawn parms for the new client
+               // call the progs to get default spawn parms for the new client
                PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
                for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
                        client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
        }
 
-#if NOROUTINGFIX
-       SV_SendServerinfo (client);
-#else
-       // send serverinfo on first nop
-       client->waitingforconnect = true;
-       client->sendsignon = true;
-       client->spawned = false;                // need prespawn, spawn, etc
-#endif
-}
-
-
-/*
-===================
-SV_CheckForNewClients
-
-===================
-*/
-void SV_CheckForNewClients (void)
-{
-       struct qsocket_s        *ret;
-       int                             i;
-
-//
-// check for new connections
-//
-       while (1)
-       {
-               ret = NET_CheckNewConnections ();
-               if (!ret)
-                       break;
-
-       //
-       // init a new client structure
-       //
-               for (i=0 ; i<svs.maxclients ; i++)
-                       if (!svs.clients[i].active)
-                               break;
-               if (i == svs.maxclients)
-                       Sys_Error ("Host_CheckForNewClients: no free clients");
-
-               svs.clients[i].netconnection = ret;
-               SV_ConnectClient (i);
-
-               net_activeconnections++;
-       }
+       // don't call SendServerinfo for a fresh botclient because its fields have
+       // not been set up by the qc yet
+       if (client->netconnection)
+               SV_SendServerinfo (client);
+       else
+               client->spawned = true;
 }
 
 
-
 /*
 ===============================================================================
 
@@ -416,563 +440,240 @@ crosses a waterline.
 =============================================================================
 */
 
-int            fatbytes;
-qbyte  fatpvs[MAX_MAP_LEAFS/8];
+int sv_writeentitiestoclient_pvsbytes;
+qbyte sv_writeentitiestoclient_pvs[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 = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
-                               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->numleafs+31)>>3;
-       memset (fatpvs, 0, fatbytes);
-       SV_AddToFatPVS (org, sv.worldmodel->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->leafs - 1;
-               return pvs[leafnum >> 3] & (1 << (leafnum & 7));
-       }
-
-       // node - recurse down the BSP tree
-       switch (BOX_ON_PLANE_SIDE(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;
-}
-
-
-/*
-=============
-SV_WriteEntitiesToClient
+static int numsendentities;
+static entity_state_t sendentities[MAX_EDICTS];
+static entity_state_t *sendentitiesindex[MAX_EDICTS];
 
-=============
-*/
-#ifdef QUAKEENTITIES
-void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
+void SV_PrepareEntitiesForSending(void)
 {
-       int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects;
-       int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
-       qbyte *pvs;
-       vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
-       float nextfullupdate;
+       int e, i;
+       float f;
        edict_t *ent;
-       eval_t *val;
-       entity_state_t *baseline; // LordHavoc: delta or startup baseline
-       trace_t trace;
-       model_t *model;
-
-       Mod_CheckLoaded(sv.worldmodel);
-
-// find the client's PVS
-       VectorAdd (clent->v.origin, clent->v.view_ofs, testeye);
-       pvs = SV_FatPVS (testeye);
-
-       culled_pvs = 0;
-       culled_portal = 0;
-       culled_trace = 0;
-       visibleentities = 0;
-       totalentities = 0;
-
-       clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
+       entity_state_t cs;
        // send all entities that touch the pvs
-       ent = NEXT_EDICT(sv.edicts);
-       for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
+       numsendentities = 0;
+       sendentitiesindex[0] = NULL;
+       for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
        {
-               bits = 0;
-
-               // prevent delta compression against this frame (unless actually sent, which will restore this later)
-               nextfullupdate = client->nextfullupdate[e];
-               client->nextfullupdate[e] = -1;
-
-               if (ent != clent) // LordHavoc: always send player
-               {
-                       if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
-                       {
-                               if (val->edict != clentnum)
-                               {
-                                       // don't show to anyone else
-                                       continue;
-                               }
-                               else
-                                       bits |= U_VIEWMODEL; // show relative to the view
-                       }
-                       else
-                       {
-                               // LordHavoc: never draw something told not to display to this client
-                               if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
-                                       continue;
-                               if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
-                                       continue;
-                       }
-               }
-
-               glowsize = 0;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
-                       glowsize = (int) val->_float >> 2;
-               if (glowsize > 255) glowsize = 255;
-               if (glowsize < 0) glowsize = 0;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
-               if (val->_float != 0)
-                       bits |= U_GLOWTRAIL;
+               sendentitiesindex[e] = NULL;
+               if (ent->e->free)
+                       continue;
 
-               if (ent->v.modelindex >= 0 && ent->v.modelindex < MAX_MODELS && pr_strings[ent->v.model])
+               cs = defaultstate;
+               cs.active = true;
+               cs.number = e;
+               VectorCopy(ent->v->origin, cs.origin);
+               VectorCopy(ent->v->angles, cs.angles);
+               cs.flags = 0;
+               cs.effects = (int)ent->v->effects;
+               cs.colormap = (qbyte)ent->v->colormap;
+               cs.skin = (qbyte)ent->v->skin;
+               cs.frame = (qbyte)ent->v->frame;
+               cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
+               cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
+               cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
+               cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
+               cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
+               cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
+               i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
+               cs.glowsize = (qbyte)bound(0, i, 255);
+               if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
+                       cs.flags |= RENDER_GLOWTRAIL;
+
+               cs.modelindex = 0;
+               i = (int)ent->v->modelindex;
+               if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
+                       cs.modelindex = i;
+
+               cs.alpha = 255;
+               f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
+               if (f)
                {
-                       model = sv.models[(int)ent->v.modelindex];
-                       Mod_CheckLoaded(model);
+                       i = (int)f;
+                       cs.alpha = (qbyte)bound(0, i, 255);
                }
-               else
+               // halflife
+               f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
+               if (f)
                {
-                       model = NULL;
-                       if (ent != clent) // LordHavoc: always send player
-                               if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
-                                       continue;
+                       i = (int)f;
+                       cs.alpha = (qbyte)bound(0, i, 255);
                }
 
-               VectorCopy(ent->v.angles, angles);
-               if (DotProduct(ent->v.velocity, ent->v.velocity) >= 1.0f)
+               cs.scale = 16;
+               f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
+               if (f)
                {
-                       VectorMA(ent->v.origin, host_client->latency, ent->v.velocity, origin);
-                       // LordHavoc: trace predicted movement to avoid putting things in walls
-                       trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, origin, MOVE_NORMAL, ent);
-                       VectorCopy(trace.endpos, origin);
-               }
-               else
-               {
-                       VectorCopy(ent->v.origin, origin);
+                       i = (int)f;
+                       cs.scale = (qbyte)bound(0, i, 255);
                }
 
-               // ent has survived every check so far, check if it is visible
-               if (ent != clent && ((bits & U_VIEWMODEL) == 0))
+               cs.glowcolor = 254;
+               f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
+               if (f)
+                       cs.glowcolor = (int)f;
+
+               if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
+                       cs.effects |= EF_FULLBRIGHT;
+
+               if (ent->v->movetype == MOVETYPE_STEP)
+                       cs.flags |= RENDER_STEP;
+               if ((cs.effects & EF_LOWPRECISION) && cs.origin[0] >= -32768 && cs.origin[1] >= -32768 && cs.origin[2] >= -32768 && cs.origin[0] <= 32767 && cs.origin[1] <= 32767 && cs.origin[2] <= 32767)
+                       cs.flags |= RENDER_LOWPRECISION;
+               if (ent->v->colormap >= 1024)
+                       cs.flags |= RENDER_COLORMAPPED;
+               if (cs.viewmodelforclient)
+                       cs.flags |= RENDER_VIEWMODEL; // show relative to the view
+
+               f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
+               cs.light[0] = (unsigned short)bound(0, f, 65535);
+               f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
+               cs.light[1] = (unsigned short)bound(0, f, 65535);
+               f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
+               cs.light[2] = (unsigned short)bound(0, f, 65535);
+               f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
+               cs.light[3] = (unsigned short)bound(0, f, 65535);
+               cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
+               cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
+
+               if (gamemode == GAME_TENEBRAE)
                {
-                       // use the predicted origin
-                       entmins[0] = origin[0] - 1.0f;
-                       entmins[1] = origin[1] - 1.0f;
-                       entmins[2] = origin[2] - 1.0f;
-                       entmaxs[0] = origin[0] + 1.0f;
-                       entmaxs[1] = origin[1] + 1.0f;
-                       entmaxs[2] = origin[2] + 1.0f;
-                       // using the model's bounding box to ensure things are visible regardless of their physics box
-                       if (model)
-                       {
-                               if (ent->v.angles[0] || ent->v.angles[2]) // pitch and roll
-                               {
-                                       VectorAdd(entmins, model->rotatedmins, entmins);
-                                       VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
-                               }
-                               else if (ent->v.angles[1])
-                               {
-                                       VectorAdd(entmins, model->yawmins, entmins);
-                                       VectorAdd(entmaxs, model->yawmaxs, entmaxs);
-                               }
-                               else
-                               {
-                                       VectorAdd(entmins, model->normalmins, entmins);
-                                       VectorAdd(entmaxs, model->normalmaxs, entmaxs);
-                               }
-                       }
-
-                       totalentities++;
-
-                       // if not touching a visible leaf
-                       if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
+                       // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
+                       if (cs.effects & 16)
                        {
-                               culled_pvs++;
-                               continue;
+                               cs.effects &= ~16;
+                               cs.lightpflags |= PFLAGS_FULLDYNAMIC;
                        }
-
-                       // 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] != '*'))
-                       {
-                               // 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]);
-
-                               Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
-
-                               if (trace.fraction == 1)
-                                       client->visibletime[e] = realtime + 1;
-                               else
-                               {
-                                       //test nearest point on bbox
-                                       testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
-                                       testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
-                                       testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
-
-                                       Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
-
-                                       if (trace.fraction == 1)
-                                               client->visibletime[e] = realtime + 1;
-                                       else if (realtime > client->visibletime[e])
-                                       {
-                                               culled_trace++;
-                                               continue;
-                                       }
-                               }
-                       }
-                       visibleentities++;
-               }
-
-               alpha = 255;
-               scale = 16;
-               glowcolor = 254;
-               effects = ent->v.effects;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
-               if (val->_float != 0)
-                       alpha = (int) (val->_float * 255.0);
-
-               // HalfLife support
-               if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
-               if (val->_float != 0)
-                       alpha = (int) val->_float;
-
-               if (alpha == 0)
-                       alpha = 255;
-               alpha = bound(0, alpha, 255);
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
-               if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
-               if (scale < 0) scale = 0;
-               if (scale > 255) scale = 255;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
-               if (val->_float != 0)
-                       glowcolor = (int) val->_float;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
-               if (val->_float != 0)
-                       effects |= EF_FULLBRIGHT;
-
-               if (ent != clent)
-               {
-                       if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
+                       // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
+                       if (cs.effects & 32)
                        {
-                               if (model) // model
-                               {
-                                       // don't send if flagged for NODRAW and there are no effects
-                                       if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
-                                               continue;
-                               }
-                               else // no model and no effects
-                                       continue;
+                               cs.effects &= ~32;
+                               cs.light[0] = 0.2;
+                               cs.light[1] = 1;
+                               cs.light[2] = 0.2;
+                               cs.light[3] = 200;
+                               cs.lightpflags |= PFLAGS_FULLDYNAMIC;
                        }
                }
 
-               if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
+               cs.specialvisibilityradius = 0;
+               if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
+                       cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
+               if (cs.glowsize)
+                       cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
+               if (cs.flags & RENDER_GLOWTRAIL)
+                       cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
+               if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
                {
-                       Con_Printf ("packet overflow\n");
-                       // mark the rest of the entities so they can't be delta compressed against this frame
-                       for (;e < sv.num_edicts;e++)
-                       {
-                               client->nextfullupdate[e] = -1;
-                               client->visibletime[e] = -1;
-                       }
-                       return;
+                       if (cs.effects & EF_BRIGHTFIELD)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
+                       if (cs.effects & EF_MUZZLEFLASH)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
+                       if (cs.effects & EF_BRIGHTLIGHT)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
+                       if (cs.effects & EF_DIMLIGHT)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
+                       if (cs.effects & EF_RED)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
+                       if (cs.effects & EF_BLUE)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
+                       if (cs.effects & EF_FLAME)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
+                       if (cs.effects & EF_STARDUST)
+                               cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
                }
 
-               if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
-                       bits = bits | U_EXTERIORMODEL;
-
-// send an update
-               baseline = &ent->baseline;
-
-               if (((int)ent->v.effects & EF_DELTA) && sv_deltacompress.integer)
-               {
-                       // every half second a full update is forced
-                       if (realtime < client->nextfullupdate[e])
-                       {
-                               bits |= U_DELTA;
-                               baseline = &ent->deltabaseline;
-                       }
-                       else
-                               nextfullupdate = realtime + 0.5f;
-               }
-               else
-                       nextfullupdate = realtime + 0.5f;
-
-               // restore nextfullupdate since this is being sent for real
-               client->nextfullupdate[e] = nextfullupdate;
-
-               if (e >= 256)
-                       bits |= U_LONGENTITY;
-
-               if (ent->v.movetype == MOVETYPE_STEP)
-                       bits |= U_STEP;
-
-               // LordHavoc: old stuff, but rewritten to have more exact tolerances
-               if (origin[0] != baseline->origin[0])                                                                                   bits |= U_ORIGIN1;
-               if (origin[1] != baseline->origin[1])                                                                                   bits |= U_ORIGIN2;
-               if (origin[2] != baseline->origin[2])                                                                                   bits |= U_ORIGIN3;
-               if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
-               if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
-               if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
-               if (baseline->colormap != (qbyte) ent->v.colormap)                                                              bits |= U_COLORMAP;
-               if (baseline->skin != (qbyte) ent->v.skin)                                                                              bits |= U_SKIN;
-               if ((baseline->frame & 0x00FF) != ((int) ent->v.frame & 0x00FF))                                bits |= U_FRAME;
-               if ((baseline->effects & 0x00FF) != ((int) ent->v.effects & 0x00FF))                    bits |= U_EFFECTS;
-               if ((baseline->modelindex & 0x00FF) != ((int) ent->v.modelindex & 0x00FF))              bits |= U_MODEL;
-
-               // LordHavoc: new stuff
-               if (baseline->alpha != alpha)                                                                                                   bits |= U_ALPHA;
-               if (baseline->scale != scale)                                                                                                   bits |= U_SCALE;
-               if (((int) baseline->effects & 0xFF00) != ((int) ent->v.effects & 0xFF00))              bits |= U_EFFECTS2;
-               if (baseline->glowsize != glowsize)                                                                                             bits |= U_GLOWSIZE;
-               if (baseline->glowcolor != glowcolor)                                                                                   bits |= U_GLOWCOLOR;
-               if (((int) baseline->frame & 0xFF00) != ((int) ent->v.frame & 0xFF00))                  bits |= U_FRAME2;
-               if (((int) baseline->frame & 0xFF00) != ((int) ent->v.modelindex & 0xFF00))             bits |= U_MODEL2;
-
-               // update delta baseline
-               VectorCopy(ent->v.origin, ent->deltabaseline.origin);
-               VectorCopy(ent->v.angles, ent->deltabaseline.angles);
-               ent->deltabaseline.colormap = ent->v.colormap;
-               ent->deltabaseline.skin = ent->v.skin;
-               ent->deltabaseline.frame = ent->v.frame;
-               ent->deltabaseline.effects = ent->v.effects;
-               ent->deltabaseline.modelindex = ent->v.modelindex;
-               ent->deltabaseline.alpha = alpha;
-               ent->deltabaseline.scale = scale;
-               ent->deltabaseline.glowsize = glowsize;
-               ent->deltabaseline.glowcolor = glowcolor;
-
-               // write the message
-               if (bits >= 16777216)
-                       bits |= U_EXTEND2;
-               if (bits >= 65536)
-                       bits |= U_EXTEND1;
-               if (bits >= 256)
-                       bits |= U_MOREBITS;
-               bits |= U_SIGNAL;
-
-               MSG_WriteByte (msg, bits);
-               if (bits & U_MOREBITS)
-                       MSG_WriteByte (msg, bits>>8);
-               // LordHavoc: extend bytes have to be written here due to delta compression
-               if (bits & U_EXTEND1)
-                       MSG_WriteByte (msg, bits>>16);
-               if (bits & U_EXTEND2)
-                       MSG_WriteByte (msg, bits>>24);
-
-               // LordHavoc: old stuff
-               if (bits & U_LONGENTITY)
-                       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_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
-               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_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
-
-               // LordHavoc: new stuff
-               if (bits & U_ALPHA)             MSG_WriteByte(msg, alpha);
-               if (bits & U_SCALE)             MSG_WriteByte(msg, scale);
-               if (bits & U_EFFECTS2)  MSG_WriteByte(msg, (int)ent->v.effects >> 8);
-               if (bits & U_GLOWSIZE)  MSG_WriteByte(msg, glowsize);
-               if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
-               if (bits & U_FRAME2)    MSG_WriteByte(msg, (int)ent->v.frame >> 8);
-               if (bits & U_MODEL2)    MSG_WriteByte(msg, (int)ent->v.modelindex >> 8);
+               if (numsendentities >= MAX_EDICTS)
+                       continue;
+               // we can omit invisible entities with no effects that are not clients
+               // LordHavoc: this could kill tags attached to an invisible entity, I
+               // just hope we never have to support that case
+               if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
+                       continue;
+               sendentitiesindex[e] = sendentities + numsendentities;
+               sendentities[numsendentities++] = cs;
        }
-
-       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);
 }
-#else
-void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
+
+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_trace;
+static int sv_writeentitiestoclient_visibleentities;
+static int sv_writeentitiestoclient_totalentities;
+//static entity_frame_t sv_writeentitiestoclient_entityframe;
+static int sv_writeentitiestoclient_clentnum;
+static vec3_t sv_writeentitiestoclient_testeye;
+static client_t *sv_writeentitiestoclient_client;
+
+void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 {
-       int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects;
-       int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
-       qbyte *pvs;
-       vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
-       edict_t *ent;
-       eval_t *val;
-       trace_t trace;
+       int isbmodel;
+       vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
        model_t *model;
-       entity_frame_t entityframe;
-       entity_state_t *s;
-
-       if (client->sendsignon)
+       trace_t trace;
+       if (sententitiesconsideration[s->number] == sententitiesmark)
                return;
-
-       Mod_CheckLoaded(sv.worldmodel);
-
-// find the client's PVS
-       VectorAdd (clent->v.origin, clent->v.view_ofs, testeye);
-       pvs = SV_FatPVS (testeye);
-       EntityFrame_Clear(&entityframe, testeye);
-
-       culled_pvs = 0;
-       culled_portal = 0;
-       culled_trace = 0;
-       visibleentities = 0;
-       totalentities = 0;
-
-       clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
-       // send all entities that touch the pvs
-       ent = NEXT_EDICT(sv.edicts);
-       for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
+       sententitiesconsideration[s->number] = sententitiesmark;
+       // viewmodels don't have visibility checking
+       if (s->viewmodelforclient)
        {
-               flags = 0;
-
-               if (ent != clent) // LordHavoc: always send player
+               if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
+                       return;
+       }
+       // never reject player
+       else if (s->number != sv_writeentitiestoclient_clentnum)
+       {
+               // check various rejection conditions
+               if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
+                       return;
+               if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
+                       return;
+               if (s->effects & EF_NODRAW)
+                       return;
+               // LordHavoc: only send entities with a model or important effects
+               if (!s->modelindex && s->specialvisibilityradius == 0)
+                       return;
+               if (s->tagentity)
                {
-                       if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
-                       {
-                               if (val->edict == clentnum)
-                                       flags |= RENDER_VIEWMODEL; // show relative to the view
-                               else
-                               {
-                                       // don't show to anyone else
-                                       continue;
-                               }
-                       }
-                       else
-                       {
-                               // LordHavoc: never draw something told not to display to this client
-                               if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
-                                       continue;
-                               if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
-                                       continue;
-                       }
+                       // tag attached entities simply check their parent
+                       if (!sendentitiesindex[s->tagentity])
+                               return;
+                       SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
+                       if (sententities[s->tagentity] != sententitiesmark)
+                               return;
                }
-
-               glowsize = 0;
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
-                       glowsize = (int) val->_float >> 2;
-               glowsize = bound(0, glowsize, 255);
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
-               if (val->_float != 0)
-                       flags |= RENDER_GLOWTRAIL;
-
-               if (ent->v.modelindex >= 0 && ent->v.modelindex < MAX_MODELS && pr_strings[ent->v.model])
+               // skip invalid modelindexes to avoid crashes
+               else if (s->modelindex >= MAX_MODELS)
+                       return;
+               // always send world submodels, they don't generate much traffic
+               // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
+               else if (!(s->effects & EF_NODEPTHTEST) && (!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') || sv.protocol == PROTOCOL_QUAKE))
                {
-                       model = sv.models[(int)ent->v.modelindex];
                        Mod_CheckLoaded(model);
-               }
-               else
-               {
-                       model = NULL;
-                       if (ent != clent) // LordHavoc: always send player
-                               if (glowsize == 0 && (flags & RENDER_GLOWTRAIL) == 0) // no effects
-                                       continue;
-               }
-
-               VectorCopy(ent->v.angles, angles);
-               if (DotProduct(ent->v.velocity, ent->v.velocity) >= 1.0f && host_client->latency >= 0.01f)
-               {
-                       VectorMA(ent->v.origin, host_client->latency, ent->v.velocity, origin);
-                       // LordHavoc: trace predicted movement to avoid putting things in walls
-                       trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, origin, MOVE_NORMAL, ent);
-                       VectorCopy(trace.endpos, origin);
-               }
-               else
-               {
-                       VectorCopy(ent->v.origin, origin);
-               }
-
-               // ent has survived every check so far, check if it is visible
-               // always send embedded brush models, they don't generate much traffic
-               if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
-               {
-                       // use the predicted origin
-                       entmins[0] = origin[0] - 1.0f;
-                       entmins[1] = origin[1] - 1.0f;
-                       entmins[2] = origin[2] - 1.0f;
-                       entmaxs[0] = origin[0] + 1.0f;
-                       entmaxs[1] = origin[1] + 1.0f;
-                       entmaxs[2] = origin[2] + 1.0f;
+                       // entity has survived every check so far, check if visible
+                       // enlarged box to account for prediction (not that there is
+                       // any currently, but still helps the 'run into a room and
+                       // watch items pop up' problem)
+                       entmins[0] = s->origin[0] - 32.0f;
+                       entmins[1] = s->origin[1] - 32.0f;
+                       entmins[2] = s->origin[2] - 32.0f;
+                       entmaxs[0] = s->origin[0] + 32.0f;
+                       entmaxs[1] = s->origin[1] + 32.0f;
+                       entmaxs[2] = s->origin[2] + 32.0f;
                        // using the model's bounding box to ensure things are visible regardless of their physics box
                        if (model)
                        {
-                               if (ent->v.angles[0] || ent->v.angles[2]) // pitch and roll
+                               if (s->angles[0] || s->angles[2]) // pitch and roll
                                {
                                        VectorAdd(entmins, model->rotatedmins, entmins);
                                        VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
                                }
-                               else if (ent->v.angles[1])
+                               else if (s->angles[1])
                                {
                                        VectorAdd(entmins, model->yawmins, entmins);
                                        VectorAdd(entmaxs, model->yawmaxs, entmaxs);
@@ -983,125 +684,125 @@ void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
                                        VectorAdd(entmaxs, model->normalmaxs, entmaxs);
                                }
                        }
-
-                       totalentities++;
-
+                       lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
+                       lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
+                       lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
+                       lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
+                       lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
+                       lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
+                       sv_writeentitiestoclient_totalentities++;
                        // if not touching a visible leaf
-                       if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
-                       {
-                               culled_pvs++;
-                               continue;
-                       }
-
-                       // or not visible through the portals
-                       if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
+                       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))
                        {
-                               culled_portal++;
-                               continue;
+                               sv_writeentitiestoclient_culled_pvs++;
+                               return;
                        }
-
-                       if (sv_cullentities_trace.integer)
+                       // or not seen by random tracelines
+                       if (sv_cullentities_trace.integer && !isbmodel)
                        {
-                               // 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]);
-
-                               Collision_ClipTrace(&trace, NULL, sv.worldmodel, vec3_origin, vec3_origin, vec3_origin, vec3_origin, testeye, vec3_origin, vec3_origin, testorigin);
-
-                               if (trace.fraction == 1)
-                                       client->visibletime[e] = realtime + 1;
+                               // LordHavoc: test center first
+                               testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
+                               testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
+                               testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
+                               sv.worldmodel->TraceBox(sv.worldmodel, 0, &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
                                {
-                                       if (realtime > client->visibletime[e])
+                                       // 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]);
+                                       sv.worldmodel->TraceBox(sv.worldmodel, 0, &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
                                        {
-                                               culled_trace++;
-                                               continue;
+                                               if (s->specialvisibilityradius)
+                                               {
+                                                       // LordHavoc: test random offsets, to maximize chance of detection
+                                                       testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
+                                                       testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
+                                                       testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
+                                                       sv.worldmodel->TraceBox(sv.worldmodel, 0, &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;
+                                               }
                                        }
                                }
+                               if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
+                               {
+                                       sv_writeentitiestoclient_culled_trace++;
+                                       return;
+                               }
                        }
-                       visibleentities++;
+                       sv_writeentitiestoclient_visibleentities++;
                }
+       }
+       // this just marks it for sending
+       // FIXME: it would be more efficient to send here, but the entity
+       // compressor isn't that flexible
+       sententities[s->number] = sententitiesmark;
+}
 
-               alpha = 255;
-               scale = 16;
-               glowcolor = 254;
-               effects = ent->v.effects;
+entity_state_t sendstates[MAX_EDICTS]; 
 
-               if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
-               if (val->_float != 0)
-                       alpha = (int) (val->_float * 255.0);
+void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg, int *stats)
+{
+       int i, numsendstates;
+       entity_state_t *s;
+
+       // if there isn't enough space to accomplish anything, skip it
+       if (msg->cursize + 25 > msg->maxsize)
+               return;
 
-               // HalfLife support
-               if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
-               if (val->_float != 0)
-                       alpha = (int) val->_float;
+       sv_writeentitiestoclient_client = client;
 
-               if (alpha == 0)
-                       alpha = 255;
-               alpha = bound(0, alpha, 255);
+       sv_writeentitiestoclient_culled_pvs = 0;
+       sv_writeentitiestoclient_culled_trace = 0;
+       sv_writeentitiestoclient_visibleentities = 0;
+       sv_writeentitiestoclient_totalentities = 0;
 
-               if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
-               if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
-               if (scale < 0) scale = 0;
-               if (scale > 255) scale = 255;
+       Mod_CheckLoaded(sv.worldmodel);
+
+// find the client's PVS
+       // the real place being tested from
+       VectorAdd(clent->v->origin, clent->v->view_ofs, 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));
 
-               if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
-               if (val->_float != 0)
-                       glowcolor = (int) val->_float;
+       sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 
-               if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
-               if (val->_float != 0)
-                       effects |= EF_FULLBRIGHT;
+       sententitiesmark++;
 
-               if (ent != clent)
+       for (i = 0;i < numsendentities;i++)
+               SV_MarkWriteEntityStateToClient(sendentities + i);
+
+       numsendstates = 0;
+       for (i = 0;i < numsendentities;i++)
+       {
+               if (sententities[sendentities[i].number] == sententitiesmark)
                {
-                       if (glowsize == 0 && (flags & RENDER_GLOWTRAIL) == 0) // no effects
-                       {
-                               if (model) // model
-                               {
-                                       // don't send if flagged for NODRAW and there are no effects
-                                       if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
-                                               continue;
-                               }
-                               else // no model and no effects
-                                       continue;
-                       }
+                       s = &sendstates[numsendstates++];
+                       *s = sendentities[i];
+                       if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
+                               s->flags |= RENDER_EXTERIORMODEL;
                }
-
-               if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
-                       flags |= RENDER_EXTERIORMODEL;
-
-               if (ent->v.movetype == MOVETYPE_STEP)
-                       flags |= RENDER_STEP;
-               // don't send an entity if it's coordinates would wrap around
-               if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767)
-                       flags |= RENDER_LOWPRECISION;
-
-               s = EntityFrame_NewEntity(&entityframe, e);
-               // if we run out of space, abort
-               if (!s)
-                       break;
-               VectorCopy(origin, s->origin);
-               VectorCopy(angles, s->angles);
-               s->colormap = ent->v.colormap;
-               s->skin = ent->v.skin;
-               s->frame = ent->v.frame;
-               s->modelindex = ent->v.modelindex;
-               s->effects = effects;
-               s->alpha = alpha;
-               s->scale = scale;
-               s->glowsize = glowsize;
-               s->glowcolor = glowcolor;
-               s->flags = flags;
        }
-       entityframe.framenum = ++client->entityframenumber;
-       EntityFrame_Write(&client->entitydatabase, &entityframe, 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, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
+
+       if (client->entitydatabase5)
+               EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats);
+       else if (client->entitydatabase4)
+               EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
+       else if (client->entitydatabase)
+               EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
+       else
+               EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 }
-#endif
 
 /*
 =============
@@ -1116,7 +817,7 @@ void SV_CleanupEnts (void)
 
        ent = NEXT_EDICT(sv.edicts);
        for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
-               ent->v.effects = (int)ent->v.effects & ~EF_MUZZLEFLASH;
+               ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
 }
 
 /*
@@ -1125,7 +826,7 @@ SV_WriteClientdataToMessage
 
 ==================
 */
-void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
+void SV_WriteClientdataToMessage (client_t *client, edict_t *ent, sizebuf_t *msg, int *stats)
 {
        int             bits;
        int             i;
@@ -1134,21 +835,22 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        eval_t  *val;
        vec3_t  punchvector;
        qbyte   viewzoom;
+       int             weaponmodelindex;
 
 //
 // send a damage message
 //
-       if (ent->v.dmg_take || ent->v.dmg_save)
+       if (ent->v->dmg_take || ent->v->dmg_save)
        {
-               other = PROG_TO_EDICT(ent->v.dmg_inflictor);
+               other = PROG_TO_EDICT(ent->v->dmg_inflictor);
                MSG_WriteByte (msg, svc_damage);
-               MSG_WriteByte (msg, ent->v.dmg_save);
-               MSG_WriteByte (msg, ent->v.dmg_take);
+               MSG_WriteByte (msg, ent->v->dmg_save);
+               MSG_WriteByte (msg, ent->v->dmg_take);
                for (i=0 ; i<3 ; i++)
-                       MSG_WriteDPCoord (msg, other->v.origin[i] + 0.5*(other->v.mins[i] + other->v.maxs[i]));
+                       MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
 
-               ent->v.dmg_take = 0;
-               ent->v.dmg_save = 0;
+               ent->v->dmg_take = 0;
+               ent->v->dmg_save = 0;
        }
 
 //
@@ -1157,82 +859,94 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
        SV_SetIdealPitch ();            // how much to look up / down ideally
 
 // a fixangle might get lost in a dropped packet.  Oh well.
-       if ( ent->v.fixangle )
+       if ( ent->v->fixangle )
        {
                MSG_WriteByte (msg, svc_setangle);
                for (i=0 ; i < 3 ; i++)
-                       MSG_WriteAngle (msg, ent->v.angles[i] );
-               ent->v.fixangle = 0;
+                       MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
+               ent->v->fixangle = 0;
        }
 
-       bits = 0;
-
-       bits |= SU_VIEWHEIGHT;
-
-       if (ent->v.idealpitch)
-               bits |= SU_IDEALPITCH;
-
-// stuff the sigil bits into the high bits of items for sbar, or else
-// mix in items2
+       // stuff the sigil bits into the high bits of items for sbar, or else
+       // mix in items2
        val = GETEDICTFIELDVALUE(ent, eval_items2);
-
        if (val)
-               items = (int)ent->v.items | ((int)val->_float << 23);
+               items = (int)ent->v->items | ((int)val->_float << 23);
        else
-               items = (int)ent->v.items | ((int)pr_global_struct->serverflags << 28);
-
-       bits |= SU_ITEMS;
-
-       if ( (int)ent->v.flags & FL_ONGROUND)
-               bits |= SU_ONGROUND;
+               items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
 
-       if ( ent->v.waterlevel >= 2)
-               bits |= SU_INWATER;
-
-       // dpprotocol
        VectorClear(punchvector);
        if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
                VectorCopy(val->vector, punchvector);
 
-       i = 255;
+       weaponmodelindex = SV_ModelIndex(PR_GetString(ent->v->weaponmodel), 1);
+
+       viewzoom = 255;
        if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
-       {
-               i = val->_float * 255.0f;
-               if (i == 0)
-                       i = 255;
-               else
-                       i = bound(0, i, 255);
-       }
-       viewzoom = i;
+               viewzoom = val->_float * 255.0f;
+       if (viewzoom == 0)
+               viewzoom = 255;
 
-       if (viewzoom != 255)
-               bits |= SU_VIEWZOOM;
+       bits = 0;
+
+       if ((int)ent->v->flags & FL_ONGROUND)
+               bits |= SU_ONGROUND;
+       if (ent->v->waterlevel >= 2)
+               bits |= SU_INWATER;
+       if (ent->v->idealpitch)
+               bits |= SU_IDEALPITCH;
 
        for (i=0 ; i<3 ; i++)
        {
-               if (ent->v.punchangle[i])
+               if (ent->v->punchangle[i])
                        bits |= (SU_PUNCH1<<i);
-               if (punchvector[i]) // dpprotocol
-                       bits |= (SU_PUNCHVEC1<<i); // dpprotocol
-               if (ent->v.velocity[i])
+               if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+                       if (punchvector[i])
+                               bits |= (SU_PUNCHVEC1<<i);
+               if (ent->v->velocity[i])
                        bits |= (SU_VELOCITY1<<i);
        }
 
-       if (ent->v.weaponframe)
-               bits |= SU_WEAPONFRAME;
-
-       if (ent->v.armorvalue)
-               bits |= SU_ARMOR;
-
-       bits |= SU_WEAPON;
+       memset(stats, 0, sizeof(int[MAX_CL_STATS]));
+       stats[STAT_VIEWHEIGHT] = ent->v->view_ofs[2];
+       stats[STAT_ITEMS] = items;
+       stats[STAT_WEAPONFRAME] = ent->v->weaponframe;
+       stats[STAT_ARMOR] = ent->v->armorvalue;
+       stats[STAT_WEAPON] = weaponmodelindex;
+       stats[STAT_HEALTH] = ent->v->health;
+       stats[STAT_AMMO] = ent->v->currentammo;
+       stats[STAT_SHELLS] = ent->v->ammo_shells;
+       stats[STAT_NAILS] = ent->v->ammo_nails;
+       stats[STAT_ROCKETS] = ent->v->ammo_rockets;
+       stats[STAT_CELLS] = ent->v->ammo_cells;
+       stats[STAT_ACTIVEWEAPON] = ent->v->weapon;
+       stats[STAT_VIEWZOOM] = viewzoom;
+       // the QC bumps these itself by sending svc_'s, so we have to keep them
+       // zero or they'll be corrected by the engine
+       //stats[STAT_TOTALSECRETS] = pr_global_struct->total_secrets;
+       //stats[STAT_TOTALMONSTERS] = pr_global_struct->total_monsters;
+       //stats[STAT_SECRETS] = pr_global_struct->found_secrets;
+       //stats[STAT_MONSTERS] = pr_global_struct->killed_monsters;
+
+       if (sv.protocol != PROTOCOL_DARKPLACES6)
+       {
+               if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
+               bits |= SU_ITEMS;
+               if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
+               if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
+               bits |= SU_WEAPON;
+               // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
+               if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
+                       if (viewzoom != 255)
+                               bits |= SU_VIEWZOOM;
+       }
 
        if (bits >= 65536)
                bits |= SU_EXTEND1;
        if (bits >= 16777216)
                bits |= SU_EXTEND2;
 
-// send the data
-
+       // send the data
        MSG_WriteByte (msg, svc_clientdata);
        MSG_WriteShort (msg, bits);
        if (bits & SU_EXTEND1)
@@ -1241,57 +955,91 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
                MSG_WriteByte(msg, bits >> 24);
 
        if (bits & SU_VIEWHEIGHT)
-               //MSG_WriteChar (msg, ent->v.view_ofs[2]);
-               MSG_WriteChar (msg, 0);
+               MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
 
        if (bits & SU_IDEALPITCH)
-               MSG_WriteChar (msg, ent->v.idealpitch);
+               MSG_WriteChar (msg, ent->v->idealpitch);
 
        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
+               {
+                       if (sv.protocol == PROTOCOL_QUAKE)
+                               MSG_WriteChar(msg, ent->v->punchangle[i]);
+                       else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+                               MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
+               }
+               if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+               {
+                       if (bits & (SU_PUNCHVEC1<<i))
+                       {
+                               if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
+                                       MSG_WriteCoord16i(msg, punchvector[i]);
+                               else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+                                       MSG_WriteCoord32f(msg, punchvector[i]);
+                       }
+               }
                if (bits & (SU_VELOCITY1<<i))
-                       MSG_WriteChar (msg, ent->v.velocity[i]/16);
+               {
+                       if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
+                               MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
+                       else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+                               MSG_WriteCoord32f(msg, ent->v->velocity[i]);
+               }
        }
 
-// [always sent]       if (bits & SU_ITEMS)
-       MSG_WriteLong (msg, items);
-
-       if (bits & SU_WEAPONFRAME)
-               MSG_WriteByte (msg, ent->v.weaponframe);
-       if (bits & SU_ARMOR)
-               MSG_WriteByte (msg, ent->v.armorvalue);
-       if (bits & SU_WEAPON)
-               MSG_WriteByte (msg, SV_ModelIndex(pr_strings+ent->v.weaponmodel));
+       if (bits & SU_ITEMS)
+               MSG_WriteLong (msg, stats[STAT_ITEMS]);
 
-       MSG_WriteShort (msg, ent->v.health);
-       MSG_WriteByte (msg, ent->v.currentammo);
-       MSG_WriteByte (msg, ent->v.ammo_shells);
-       MSG_WriteByte (msg, ent->v.ammo_nails);
-       MSG_WriteByte (msg, ent->v.ammo_rockets);
-       MSG_WriteByte (msg, ent->v.ammo_cells);
-
-       if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
+       if (sv.protocol == PROTOCOL_DARKPLACES5)
        {
-               for(i=0;i<32;i++)
-               {
-                       if ( ((int)ent->v.weapon) & (1<<i) )
-                       {
-                               MSG_WriteByte (msg, i);
-                               break;
-                       }
-               }
+               if (bits & SU_WEAPONFRAME)
+                       MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
+               if (bits & SU_ARMOR)
+                       MSG_WriteShort (msg, stats[STAT_ARMOR]);
+               if (bits & SU_WEAPON)
+                       MSG_WriteShort (msg, stats[STAT_WEAPON]);
+               MSG_WriteShort (msg, stats[STAT_HEALTH]);
+               MSG_WriteShort (msg, stats[STAT_AMMO]);
+               MSG_WriteShort (msg, stats[STAT_SHELLS]);
+               MSG_WriteShort (msg, stats[STAT_NAILS]);
+               MSG_WriteShort (msg, stats[STAT_ROCKETS]);
+               MSG_WriteShort (msg, stats[STAT_CELLS]);
+               MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
+               if (bits & SU_VIEWZOOM)
+                       MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
        }
-       else
+       else if (sv.protocol != PROTOCOL_DARKPLACES6)
        {
-               MSG_WriteByte (msg, ent->v.weapon);
+               if (bits & SU_WEAPONFRAME)
+                       MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
+               if (bits & SU_ARMOR)
+                       MSG_WriteByte (msg, stats[STAT_ARMOR]);
+               if (bits & SU_WEAPON)
+                       MSG_WriteByte (msg, stats[STAT_WEAPON]);
+               MSG_WriteShort (msg, stats[STAT_HEALTH]);
+               MSG_WriteByte (msg, stats[STAT_AMMO]);
+               MSG_WriteByte (msg, stats[STAT_SHELLS]);
+               MSG_WriteByte (msg, stats[STAT_NAILS]);
+               MSG_WriteByte (msg, stats[STAT_ROCKETS]);
+               MSG_WriteByte (msg, stats[STAT_CELLS]);
+               if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
+               {
+                       for (i = 0;i < 32;i++)
+                               if (stats[STAT_WEAPON] & (1<<i))
+                                       break;
+                       MSG_WriteByte (msg, i);
+               }
+               else
+                       MSG_WriteByte (msg, stats[STAT_WEAPON]);
+               if (bits & SU_VIEWZOOM)
+               {
+                       if (sv.protocol == PROTOCOL_DARKPLACES4)
+                               MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
+                       else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+                               MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
+               }
        }
-
-       if (bits & SU_VIEWZOOM)
-               MSG_WriteByte (msg, viewzoom);
 }
 
 /*
@@ -1299,32 +1047,62 @@ void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
 SV_SendClientDatagram
 =======================
 */
+static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
 qboolean SV_SendClientDatagram (client_t *client)
 {
-       qbyte           buf[MAX_DATAGRAM];
-       sizebuf_t       msg;
+       int rate, maxrate, maxsize, maxsize2;
+       sizebuf_t msg;
+       int stats[MAX_CL_STATS];
 
-       msg.data = buf;
-       msg.maxsize = sizeof(buf);
+       if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
+       {
+               // for good singleplayer, send huge packets
+               maxsize = sizeof(sv_sendclientdatagram_buf);
+               maxsize2 = sizeof(sv_sendclientdatagram_buf);
+       }
+       else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
+       {
+               // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
+               maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
+               if (sv_maxrate.integer != maxrate)
+                       Cvar_SetValueQuick(&sv_maxrate, maxrate);
+
+               rate = bound(NET_MINRATE, client->rate, maxrate);
+               rate = (int)(client->rate * sys_ticrate.value);
+               maxsize = bound(100, rate, 1400);
+               maxsize2 = 1400;
+       }
+       else
+       {
+               // no rate limiting support on older protocols because dp protocols
+               // 1-4 kick the client off if they overflow, and quake protocol shows
+               // less than the full entity set if rate limited
+               maxsize = 1400;
+               maxsize2 = 1400;
+       }
+
+       msg.data = sv_sendclientdatagram_buf;
+       msg.maxsize = maxsize;
        msg.cursize = 0;
 
        MSG_WriteByte (&msg, svc_time);
        MSG_WriteFloat (&msg, sv.time);
 
-       if (client->spawned)
-       {
-               // add the client specific data to the datagram
-               SV_WriteClientdataToMessage (client->edict, &msg);
+       // add the client specific data to the datagram
+       SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
+       SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
 
-               SV_WriteEntitiesToClient (client, client->edict, &msg);
+       // expand packet size to allow effects to go over the rate limit
+       // (dropping them is FAR too ugly)
+       msg.maxsize = maxsize2;
 
-               // copy the server datagram if there is space
-               if (msg.cursize + sv.datagram.cursize < msg.maxsize)
-                       SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
-       }
+       // copy the server datagram if there is space
+       // FIXME: put in delayed queue of effects to send
+       if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
+               SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
 
 // send the datagram
-       if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
+       if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
        {
                SV_DropClient (true);// if the message couldn't send, kick off
                return false;
@@ -1340,34 +1118,86 @@ SV_UpdateToReliableMessages
 */
 void SV_UpdateToReliableMessages (void)
 {
-       int                     i, j;
+       int i, j;
        client_t *client;
+       eval_t *val;
+       char *name;
+       char *model;
+       char *skin;
 
 // 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++)
        {
-               if (host_client->old_frags != host_client->edict->v.frags)
+               // update the host_client fields we care about according to the entity fields
+               host_client->edict = EDICT_NUM(i+1);
+
+               // DP_SV_CLIENTNAME
+               name = PR_GetString(host_client->edict->v->netname);
+               if (name == NULL)
+                       name = "";
+               // always point the string back at host_client->name to keep it safe
+               strlcpy (host_client->name, name, sizeof (host_client->name));
+               host_client->edict->v->netname = PR_SetString(host_client->name);
+               if (strcmp(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_updatefrags);
-                               MSG_WriteByte (&client->message, i);
-                               MSG_WriteShort (&client->message, host_client->edict->v.frags);
-                       }
+                       if (host_client->spawned)
+                               SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
+                       strcpy(host_client->old_name, host_client->name);
+                       // send notification to all clients
+                       MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
+                       MSG_WriteByte (&sv.reliable_datagram, i);
+                       MSG_WriteString (&sv.reliable_datagram, host_client->name);
+               }
 
-                       host_client->old_frags = host_client->edict->v.frags;
+               // DP_SV_CLIENTCOLORS
+               // this is always found (since it's added by the progs loader)
+               if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
+                       host_client->colors = (int)val->_float;
+               if (host_client->old_colors != host_client->colors)
+               {
+                       host_client->old_colors = host_client->colors;
+                       // send notification to all clients
+                       MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
+                       MSG_WriteByte (&sv.reliable_datagram, i);
+                       MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
                }
-       }
 
-       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);
+               // NEXUIZ_PLAYERMODEL
+               if( eval_playermodel ) {
+                       model = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string);
+                       if (model == NULL)
+                               model = "";
+                       // always point the string back at host_client->name to keep it safe
+                       strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
+                       GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PR_SetString(host_client->playermodel);
+               }
+
+               // NEXUIZ_PLAYERSKIN
+               if( eval_playerskin ) {
+                       skin = PR_GetString(GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string);
+                       if (skin == NULL)
+                               skin = "";
+                       // always point the string back at host_client->name to keep it safe
+                       strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
+                       GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PR_SetString(host_client->playerskin);
+               }
+
+               // frags
+               host_client->frags = (int)host_client->edict->v->frags;
+               if (host_client->old_frags != host_client->frags)
+               {
+                       host_client->old_frags = host_client->frags;
+                       // send notification to all clients
+                       MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
+                       MSG_WriteByte (&sv.reliable_datagram, i);
+                       MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
+               }
        }
 
+       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);
 }
 
@@ -1391,7 +1221,7 @@ void SV_SendNop (client_t *client)
 
        MSG_WriteChar (&msg, svc_nop);
 
-       if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
+       if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
                SV_DropClient (true);   // if the message couldn't send, kick off
        client->last_message = realtime;
 }
@@ -1403,27 +1233,36 @@ SV_SendClientMessages
 */
 void SV_SendClientMessages (void)
 {
-       int                     i;
+       int i, prepared = false;
 
 // update frags, names, etc
-       SV_UpdateToReliableMessages ();
+       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;
+               }
 
-#ifndef NOROUTINGFIX
-               if (host_client->sendserverinfo)
+               if (host_client->deadsocket || host_client->message.overflowed)
                {
-                       host_client->sendserverinfo = false;
-                       SV_SendServerinfo (host_client);
+                       SV_DropClient (true);   // if the message couldn't send, kick off
+                       continue;
                }
-#endif
 
                if (host_client->spawned)
                {
+                       if (!prepared)
+                       {
+                               prepared = true;
+                               // only prepare entities once per frame
+                               SV_PrepareEntitiesForSending();
+                       }
                        if (!SV_SendClientDatagram (host_client))
                                continue;
                }
@@ -1442,26 +1281,16 @@ 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);
-                       host_client->message.overflowed = false;
-                       continue;
-               }
-
                if (host_client->message.cursize || host_client->dropasap)
                {
-                       if (!NET_CanSendMessage (host_client->netconnection))
+                       if (!NetConn_CanSendMessage (host_client->netconnection))
                                continue;
 
                        if (host_client->dropasap)
                                SV_DropClient (false);  // went to another level
                        else
                        {
-                               if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
+                               if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
                                        SV_DropClient (true);   // if the message couldn't send, kick off
                                SZ_Clear (&host_client->message);
                                host_client->last_message = realtime;
@@ -1470,9 +1299,8 @@ void SV_SendClientMessages (void)
                }
        }
 
-
 // clear muzzle flashes
-       SV_CleanupEnts ();
+       SV_CleanupEnts();
 }
 
 
@@ -1490,22 +1318,97 @@ SV_ModelIndex
 
 ================
 */
-int SV_ModelIndex (char *name)
+int SV_ModelIndex(char *s, int precachemode)
 {
-       int             i;
-
-       if (!name || !name[0])
+       int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_MODELS);
+       char filename[MAX_QPATH];
+       if (!s || !*s)
                return 0;
+       // testing
+       //if (precachemode == 2)
+       //      return 0;
+       strlcpy(filename, s, sizeof(filename));
+       for (i = 2;i < limit;i++)
+       {
+               if (!sv.model_precache[i][0])
+               {
+                       if (precachemode)
+                       {
+                               if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
+                               {
+                                       Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
+                                       return 0;
+                               }
+                               if (precachemode == 1)
+                                       Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
+                               strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
+                               sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
+                               if (sv.protocol == PROTOCOL_DARKPLACES6)
+                               {
+                                       MSG_WriteByte(&sv.reliable_datagram, svc_precache);
+                                       MSG_WriteShort(&sv.reliable_datagram, i);
+                                       MSG_WriteString(&sv.reliable_datagram, filename);
+                               }
+                               return i;
+                       }
+                       Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
+                       return 0;
+               }
+               if (!strcmp(sv.model_precache[i], filename))
+                       return i;
+       }
+       Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
+       return 0;
+}
 
-       for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
-               if (!strcmp(sv.model_precache[i], name))
+/*
+================
+SV_SoundIndex
+
+================
+*/
+int SV_SoundIndex(char *s, int precachemode)
+{
+       int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_SOUNDS);
+       char filename[MAX_QPATH];
+       if (!s || !*s)
+               return 0;
+       // testing
+       //if (precachemode == 2)
+       //      return 0;
+       strlcpy(filename, s, sizeof(filename));
+       for (i = 1;i < limit;i++)
+       {
+               if (!sv.sound_precache[i][0])
+               {
+                       if (precachemode)
+                       {
+                               if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
+                               {
+                                       Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
+                                       return 0;
+                               }
+                               if (precachemode == 1)
+                                       Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
+                               strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
+                               if (sv.protocol == PROTOCOL_DARKPLACES6)
+                               {
+                                       MSG_WriteByte(&sv.reliable_datagram, svc_precache);
+                                       MSG_WriteShort(&sv.reliable_datagram, i + 32768);
+                                       MSG_WriteString(&sv.reliable_datagram, filename);
+                               }
+                               return i;
+                       }
+                       Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
+                       return 0;
+               }
+               if (!strcmp(sv.sound_precache[i], filename))
                        return i;
-       if (i==MAX_MODELS || !sv.model_precache[i])
-               Host_Error ("SV_ModelIndex: model %s not precached", name);
-       return i;
+       }
+       Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
+       return 0;
 }
 
-#ifdef SV_QUAKEENTITIES
 /*
 ================
 SV_CreateBaseline
@@ -1518,37 +1421,37 @@ void SV_CreateBaseline (void)
        edict_t *svent;
 
        // LordHavoc: clear *all* states (note just active ones)
-       for (entnum = 0; entnum < MAX_EDICTS ; entnum++)
+       for (entnum = 0;entnum < sv.max_edicts;entnum++)
        {
                // get the current server version
                svent = EDICT_NUM(entnum);
 
                // LordHavoc: always clear state values, whether the entity is in use or not
-               ClearStateToDefault(&svent->baseline);
+               svent->e->baseline = defaultstate;
 
-               if (svent->free)
+               if (svent->e->free)
                        continue;
-               if (entnum > svs.maxclients && !svent->v.modelindex)
+               if (entnum > svs.maxclients && !svent->v->modelindex)
                        continue;
 
                // create entity baseline
-               VectorCopy (svent->v.origin, svent->baseline.origin);
-               VectorCopy (svent->v.angles, svent->baseline.angles);
-               svent->baseline.frame = svent->v.frame;
-               svent->baseline.skin = svent->v.skin;
+               VectorCopy (svent->v->origin, svent->e->baseline.origin);
+               VectorCopy (svent->v->angles, svent->e->baseline.angles);
+               svent->e->baseline.frame = svent->v->frame;
+               svent->e->baseline.skin = svent->v->skin;
                if (entnum > 0 && entnum <= svs.maxclients)
                {
-                       svent->baseline.colormap = entnum;
-                       svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
+                       svent->e->baseline.colormap = entnum;
+                       svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
                }
                else
                {
-                       svent->baseline.colormap = 0;
-                       svent->baseline.modelindex = svent->v.modelindex;
+                       svent->e->baseline.colormap = 0;
+                       svent->e->baseline.modelindex = svent->v->modelindex;
                }
 
                large = false;
-               if (svent->baseline.modelindex & 0xFF00 || svent->baseline.frame & 0xFF00)
+               if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
                        large = true;
 
                // add to the message
@@ -1560,24 +1463,23 @@ void SV_CreateBaseline (void)
 
                if (large)
                {
-                       MSG_WriteShort (&sv.signon, svent->baseline.modelindex);
-                       MSG_WriteShort (&sv.signon, svent->baseline.frame);
+                       MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
+                       MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
                }
                else
                {
-                       MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
-                       MSG_WriteByte (&sv.signon, svent->baseline.frame);
+                       MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
+                       MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
                }
-               MSG_WriteByte (&sv.signon, svent->baseline.colormap);
-               MSG_WriteByte (&sv.signon, svent->baseline.skin);
+               MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
+               MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
                for (i=0 ; i<3 ; i++)
                {
-                       MSG_WriteDPCoord(&sv.signon, svent->baseline.origin[i]);
-                       MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
+                       MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
+                       MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
                }
        }
 }
-#endif
 
 
 /*
@@ -1598,8 +1500,8 @@ void SV_SendReconnect (void)
 
        MSG_WriteChar (&msg, svc_stufftext);
        MSG_WriteString (&msg, "reconnect\n");
-       NET_SendToAll (&msg, 5);
-       
+       NetConn_SendToAll (&msg, 5);
+
        if (cls.state != ca_dedicated)
                Cmd_ExecuteString ("reconnect\n", src_command);
 }
@@ -1619,7 +1521,7 @@ 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;
@@ -1632,6 +1534,49 @@ void SV_SaveSpawnparms (void)
        }
 }
 
+void SV_IncreaseEdicts(void)
+{
+       int i;
+       edict_t *ent;
+       int oldmax_edicts = sv.max_edicts;
+       void *oldedictsengineprivate = sv.edictsengineprivate;
+       void *oldedictsfields = sv.edictsfields;
+       void *oldmoved_edicts = sv.moved_edicts;
+
+       if (sv.max_edicts >= MAX_EDICTS)
+               return;
+
+       // links don't survive the transition, so unlink everything
+       for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
+       {
+               if (!ent->e->free)
+                       SV_UnlinkEdict(sv.edicts + i);
+               memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
+       }
+       SV_ClearWorld();
+
+       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 *));
+
+       memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
+       memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
+
+       for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
+       {
+               ent->e = sv.edictsengineprivate + i;
+               ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
+               // link every entity except world
+               if (!ent->e->free)
+                       SV_LinkEdict(ent, false);
+       }
+
+       Mem_Free(oldedictsengineprivate);
+       Mem_Free(oldedictsfields);
+       Mem_Free(oldmoved_edicts);
+}
+
 /*
 ================
 SV_SpawnServer
@@ -1641,24 +1586,42 @@ This is called at the start of each level
 */
 extern float           scr_centertime_off;
 
-void SV_SpawnServer (char *server)
+void SV_SpawnServer (const char *server)
 {
-       edict_t         *ent;
-       int                     i;
+       edict_t *ent;
+       int i;
+       qbyte *entities;
+       model_t *worldmodel;
+       char modelname[sizeof(sv.modelname)];
+
+       Con_DPrintf("SpawnServer: %s\n", server);
+
+       snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
+       worldmodel = Mod_ForName(modelname, false, true, true);
+       if (!worldmodel || !worldmodel->TraceBox)
+       {
+               Con_Printf("Couldn't load map %s\n", modelname);
+               return;
+       }
 
        // let's not have any servers with no name
        if (hostname.string[0] == 0)
                Cvar_Set ("hostname", "UNNAMED");
        scr_centertime_off = 0;
 
-       Con_DPrintf ("SpawnServer: %s\n",server);
        svs.changelevel_issued = false;         // now safe to issue another
 
 //
 // tell all connected clients that we are going to a new level
 //
        if (sv.active)
-               SV_SendReconnect ();
+               SV_SendReconnect();
+       else
+       {
+               // make sure cvars have been checked before opening the ports
+               NetConn_ServerFrame();
+               NetConn_OpenServerPorts(true);
+       }
 
 //
 // make cvars consistant
@@ -1676,17 +1639,62 @@ void SV_SpawnServer (char *server)
 
        memset (&sv, 0, sizeof(sv));
 
-       strcpy (sv.name, server);
+       strlcpy (sv.name, server, sizeof (sv.name));
+
+       sv.netquakecompatible = false;
+       if (!strcasecmp(sv_protocolname.string, "QUAKE"))
+       {
+               sv.protocol = PROTOCOL_QUAKE;
+               sv.netquakecompatible = true;
+       }
+       else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
+               sv.protocol = PROTOCOL_QUAKE;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
+               sv.protocol = PROTOCOL_DARKPLACES1;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
+               sv.protocol = PROTOCOL_DARKPLACES2;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
+               sv.protocol = PROTOCOL_DARKPLACES3;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
+               sv.protocol = PROTOCOL_DARKPLACES4;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
+               sv.protocol = PROTOCOL_DARKPLACES5;
+       else if (!strcasecmp(sv_protocolname.string, "DARKPLACES6"))
+               sv.protocol = PROTOCOL_DARKPLACES6;
+       else
+       {
+               sv.protocol = PROTOCOL_DARKPLACES6;
+               Con_Printf("Unknown sv_protocolname \"%s\", valid values are QUAKE, QUAKEDP, DARKPLACES1, DARKPLACES2, DARKPLACES3, DARKPLACES4, DARKPLACES5, DARKPLACES6, falling back to DARKPLACES6 protocol\n", sv_protocolname.string);
+       }
 
 // load progs to get entity field count
-       PR_LoadProgs ();
+       PR_LoadProgs ( sv_progs.string );
 
 // allocate server memory
-       sv.max_edicts = MAX_EDICTS;
+       // start out with just enough room for clients and a reasonable estimate of entities
+       sv.max_edicts = max(svs.maxclients + 1, 512);
+       sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
 
        // clear the edict memory pool
        Mem_EmptyPool(sv_edicts_mempool);
-       sv.edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
+       // edict_t structures (hidden from progs)
+       sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
+       // engine private structures (hidden from progs)
+       sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
+       // progs fields, often accessed by server
+       sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
+       // used by PushMove to move back pushed entities
+       sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
+       for (i = 0;i < sv.max_edicts;i++)
+       {
+               ent = sv.edicts + i;
+               ent->e = sv.edictsengineprivate + i;
+               ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
+       }
+
+       // fix up client->edict pointers for returning clients right away...
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
+               host_client->edict = EDICT_NUM(i + 1);
 
        sv.datagram.maxsize = sizeof(sv.datagram_buf);
        sv.datagram.cursize = 0;
@@ -1702,11 +1710,6 @@ void SV_SpawnServer (char *server)
 
 // leave slots at start for clients only
        sv.num_edicts = svs.maxclients+1;
-       for (i=0 ; i<svs.maxclients ; i++)
-       {
-               ent = EDICT_NUM(i+1);
-               svs.clients[i].edict = ent;
-       }
 
        sv.state = ss_loading;
        sv.paused = false;
@@ -1714,16 +1717,11 @@ void SV_SpawnServer (char *server)
        sv.time = 1.0;
 
        Mod_ClearUsed();
+       worldmodel->used = true;
 
-       strcpy (sv.name, server);
-       sprintf (sv.modelname,"maps/%s.bsp", server);
-       sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
-       if (!sv.worldmodel)
-       {
-               Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
-               sv.active = false;
-               return;
-       }
+       strlcpy (sv.name, server, sizeof (sv.name));
+       strcpy(sv.modelname, modelname);
+       sv.worldmodel = worldmodel;
        sv.models[1] = sv.worldmodel;
 
 //
@@ -1731,40 +1729,53 @@ void SV_SpawnServer (char *server)
 //
        SV_ClearWorld ();
 
-       sv.sound_precache[0] = pr_strings;
+       strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
 
-       sv.model_precache[0] = pr_strings;
-       sv.model_precache[1] = sv.modelname;
-       for (i = 1;i < sv.worldmodel->numsubmodels;i++)
+       strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
+       strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
+       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);
+               snprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
+               sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
        }
 
 //
 // load the rest of the entities
 //
        ent = EDICT_NUM(0);
-       memset (&ent->v, 0, progs->entityfields * 4);
-       ent->free = false;
-       ent->v.model = sv.worldmodel->name - pr_strings;
-       ent->v.modelindex = 1;          // world model
-       ent->v.solid = SOLID_BSP;
-       ent->v.movetype = MOVETYPE_PUSH;
-
-       if (coop.integer)
+       memset (ent->v, 0, progs->entityfields * 4);
+       ent->e->free = false;
+       ent->v->model = PR_SetString(sv.modelname);
+       ent->v->modelindex = 1;         // world model
+       ent->v->solid = SOLID_BSP;
+       ent->v->movetype = MOVETYPE_PUSH;
+
+       if (coop.value)
                pr_global_struct->coop = coop.integer;
        else
                pr_global_struct->deathmatch = deathmatch.integer;
 
-       pr_global_struct->mapname = sv.name - pr_strings;
+       pr_global_struct->mapname = PR_SetString(sv.name);
 
 // serverflags are for cross level information (sigils)
        pr_global_struct->serverflags = svs.serverflags;
 
-       ED_LoadFromFile (sv.worldmodel->entities);
+       // load replacement entity file if found
+       entities = NULL;
+       if (sv_entpatch.integer)
+               entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
+       if (entities)
+       {
+               Con_Printf("Loaded maps/%s.ent\n", sv.name);
+               ED_LoadFromFile (entities);
+               Mem_Free(entities);
+       }
+       else
+               ED_LoadFromFile (sv.worldmodel->brush.entities);
+
+
        // LordHavoc: clear world angles (to fix e3m3.bsp)
-       VectorClear(sv.edicts->v.angles);
+       VectorClear(sv.edicts->v->angles);
 
        sv.active = true;
 
@@ -1772,23 +1783,25 @@ void SV_SpawnServer (char *server)
        sv.state = ss_active;
 
 // run two frames to allow everything to settle
-       sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
-       SV_Physics ();
-       sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
-       SV_Physics ();
+       for (i = 0;i < 2;i++)
+       {
+               sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
+               SV_Physics ();
+       }
 
        Mod_PurgeUnused();
 
-#ifdef QUAKEENTITIES
 // create a baseline for more efficient communications
-       SV_CreateBaseline ();
-#endif
+       if (sv.protocol == PROTOCOL_QUAKE)
+               SV_CreateBaseline ();
 
 // send serverinfo to all connected clients
-       for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+       // (note this also handles botclients coming back from a level change)
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
                if (host_client->active)
-                       SV_SendServerinfo (host_client);
+                       SV_SendServerinfo(host_client);
 
-       Con_DPrintf ("Server spawned.\n");
+       Con_DPrint("Server spawned.\n");
+       NetConn_Heartbeat (2);
 }