]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_main.c
eliminated most calls to Sys_DoubleTime (using realtime instead, or in one case a...
[xonotic/darkplaces.git] / sv_main.c
index 271928e68e834e2083c553bdb1875c3b671e495f..8ebe87e0ca9e42afc0e257e98ecc2c79678f0fe0 100644 (file)
--- a/sv_main.c
+++ b/sv_main.c
@@ -46,6 +46,12 @@ extern cvar_t sv_random_seed;
 
 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"}; // fast but loose
 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
+static cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
+static cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
+static cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
+static cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
+static cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
+static cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
 static cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
 
@@ -126,6 +132,12 @@ void SV_Init (void)
        Cvar_RegisterVariable (&sv_nostep);
        Cvar_RegisterVariable (&sv_cullentities_pvs);
        Cvar_RegisterVariable (&sv_cullentities_trace);
+       Cvar_RegisterVariable (&sv_cullentities_trace_samples);
+       Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
+       Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
+       Cvar_RegisterVariable (&sv_cullentities_trace_delay);
+       Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
+       Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
        Cvar_RegisterVariable (&sv_cullentities_stats);
        Cvar_RegisterVariable (&sv_entpatch);
        Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
@@ -382,7 +394,7 @@ void SV_SendServerinfo (client_t *client)
                MSG_WriteByte (&client->netconnection->message, svc_stufftext);
                MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
                //[515]: init stufftext string (it is sent before svc_serverinfo)
-               val = PRVM_GETGLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
+               val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
                if (val)
                {
                        MSG_WriteByte (&client->netconnection->message, svc_stufftext);
@@ -396,6 +408,15 @@ void SV_SendServerinfo (client_t *client)
                MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 1");
        }
 
+       // send at this time so it's guaranteed to get executed at the right time
+       {
+               client_t *save;
+               save = host_client;
+               host_client = client;
+               Curl_SendRequirements();
+               host_client = save;
+       }
+
        MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
        MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
        MSG_WriteByte (&client->netconnection->message, svs.maxclients);
@@ -427,15 +448,17 @@ void SV_SendServerinfo (client_t *client)
        MSG_WriteByte (&client->netconnection->message, svc_signonnum);
        MSG_WriteByte (&client->netconnection->message, 1);
 
-       {
-               client_t *save;
-               save = host_client;
-               host_client = client;
-               Curl_SendRequirements();
-               host_client = save;
-       }
-
        client->spawned = false;                // need prespawn, spawn, etc
+
+       // clear movement info until client enters the new level properly
+       memset(&client->cmd, 0, sizeof(client->cmd));
+       client->movesequence = 0;
+#ifdef NUM_PING_TIMES
+       for (i = 0;i < NUM_PING_TIMES;i++)
+               client->ping_times[i] = 0;
+       client->num_pings = 0;
+#endif
+       client->ping = 0;
 }
 
 /*
@@ -561,21 +584,21 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
        modelindex = (i >= 1 && i < MAX_MODELS && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
 
        flags = 0;
-       i = (int)(PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
+       i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
        glowsize = (unsigned char)bound(0, i, 255);
-       if (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
+       if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
                flags |= RENDER_GLOWTRAIL;
 
-       f = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
+       f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
        light[0] = (unsigned short)bound(0, f, 65535);
-       f = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
+       f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
        light[1] = (unsigned short)bound(0, f, 65535);
-       f = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
+       f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
        light[2] = (unsigned short)bound(0, f, 65535);
-       f = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
+       f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
        light[3] = (unsigned short)bound(0, f, 65535);
-       lightstyle = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
-       lightpflags = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
+       lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
+       lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
 
        if (gamemode == GAME_TENEBRAE)
        {
@@ -626,7 +649,7 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
 
        // early culling checks
        // (final culling is done by SV_MarkWriteEntityStateToClient)
-       customizeentityforclient = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
+       customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
        if (!customizeentityforclient)
        {
                if (e > svs.maxclients && (!modelindex && !specialvisibilityradius))
@@ -649,18 +672,18 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
        cs->modelindex = modelindex;
        cs->skin = (unsigned)ent->fields.server->skin;
        cs->frame = (unsigned)ent->fields.server->frame;
-       cs->viewmodelforclient = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
-       cs->exteriormodelforclient = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
-       cs->nodrawtoclient = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
-       cs->drawonlytoclient = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
+       cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
+       cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
+       cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
+       cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
        cs->customizeentityforclient = customizeentityforclient;
-       cs->tagentity = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
-       cs->tagindex = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
+       cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
+       cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
        cs->glowsize = glowsize;
 
        // don't need to init cs->colormod because the defaultstate did that for us
        //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
-       val = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
+       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
        if (val->vector[0] || val->vector[1] || val->vector[2])
        {
                i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
@@ -671,14 +694,14 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
        cs->modelindex = modelindex;
 
        cs->alpha = 255;
-       f = (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
+       f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
        if (f)
        {
                i = (int)f;
                cs->alpha = (unsigned char)bound(0, i, 255);
        }
        // halflife
-       f = (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
+       f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
        if (f)
        {
                i = (int)f;
@@ -686,7 +709,7 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
        }
 
        cs->scale = 16;
-       f = (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
+       f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
        if (f)
        {
                i = (int)f;
@@ -694,11 +717,11 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
        }
 
        cs->glowcolor = 254;
-       f = (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
+       f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
        if (f)
                cs->glowcolor = (int)f;
 
-       if (PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
+       if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
                cs->effects |= EF_FULLBRIGHT;
 
        if (ent->fields.server->movetype == MOVETYPE_STEP)
@@ -756,10 +779,17 @@ qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int
                cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
                cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
        }
+       // calculate center of bbox for network prioritization purposes
+       VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
+       // if culling box has moved, update pvs cluster links
        if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
        {
                VectorCopy(cullmins, ent->priv.server->cullmins);
                VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
+               // a value of -1 for pvs_numclusters indicates that the links are not
+               // cached, and should be re-tested each time, this is the case if the
+               // culling box touches too many pvs clusters to store, or if the world
+               // model does not support FindBoxClusters
                ent->priv.server->pvs_numclusters = -1;
                if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
                {
@@ -805,10 +835,8 @@ static client_t *sv_writeentitiestoclient_client;
 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 {
        int isbmodel;
-       vec3_t testorigin;
        model_t *model;
        prvm_edict_t *ed;
-       trace_t trace;
        if (sententitiesconsideration[s->number] == sententitiesmark)
                return;
        sententitiesconsideration[s->number] = sententitiesmark;
@@ -837,6 +865,7 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                if (!s->modelindex && s->specialvisibilityradius == 0)
                        return;
 
+               isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
                // viewmodels don't have visibility checking
                if (s->viewmodelforclient)
                {
@@ -854,7 +883,8 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                }
                // always send world submodels in newer protocols because they don't
                // generate much traffic (in old protocols they hog bandwidth)
-               else if (!(s->effects & EF_NODEPTHTEST) && !((isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)))
+               // but only if sv_cullentities_alwayssendbmodels is on
+               else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
                {
                        // entity has survived every check so far, check if visible
                        ed = PRVM_EDICT_NUM(s->number);
@@ -889,36 +919,45 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
                        // or not seen by random tracelines
                        if (sv_cullentities_trace.integer && !isbmodel)
                        {
-                               // LordHavoc: test center first
-                               testorigin[0] = (ed->priv.server->cullmins[0] + ed->priv.server->cullmaxs[0]) * 0.5f;
-                               testorigin[1] = (ed->priv.server->cullmins[1] + ed->priv.server->cullmaxs[1]) * 0.5f;
-                               testorigin[2] = (ed->priv.server->cullmins[2] + ed->priv.server->cullmaxs[2]) * 0.5f;
-                               sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, SUPERCONTENTS_SOLID);
-                               if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
-                                       sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
-                               else
+                               int samples = s->specialvisibilityradius ? sv_cullentities_trace_samples_extra.integer : sv_cullentities_trace_samples.integer;
+                               float enlarge = sv_cullentities_trace_enlarge.value;
+
+                               qboolean visible = TRUE;
+
+                               do
                                {
-                                       // LordHavoc: test random offsets, to maximize chance of detection
-                                       testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
-                                       testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
-                                       testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
-                                       sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, SUPERCONTENTS_SOLID);
-                                       if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
-                                               sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
-                                       else
+                                       if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv_writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
+                                               break; // directly visible from the server's view
+
+                                       if(sv_cullentities_trace_prediction.integer)
                                        {
-                                               if (s->specialvisibilityradius)
+                                               vec3_t predeye;
+
+                                               // get player velocity
+                                               float predtime = bound(0, host_client->ping, 0.2); // / 2
+                                                       // sorry, no wallhacking by high ping please, and at 200ms
+                                                       // ping a FPS is annoying to play anyway and a player is
+                                                       // likely to have changed his direction
+                                               VectorMA(sv_writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
+                                               if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv_writeentitiestoclient_testeye, predeye)) // must be able to go there...
+                                               {
+                                                       if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
+                                                               break; // directly visible from the predicted view
+                                               }
+                                               else
                                                {
-                                                       // LordHavoc: test random offsets, to maximize chance of detection
-                                                       testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
-                                                       testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
-                                                       testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
-                                                       sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, SUPERCONTENTS_SOLID);
-                                                       if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
-                                                               sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
+                                                       //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
                                                }
                                        }
+
+                                       // when we get here, we can't see the entity
+                                       visible = FALSE;
                                }
+                               while(0);
+
+                               if(visible)
+                                       sv_writeentitiestoclient_client->visibletime[s->number] = realtime + sv_cullentities_trace_delay.value;
+
                                if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
                                {
                                        sv_writeentitiestoclient_culled_trace++;
@@ -936,7 +975,7 @@ void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 }
 
 entity_state_t sendstates[MAX_EDICTS];
-extern int csqc_clent;
+extern int csqc_clientnum;
 
 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int *stats)
 {
@@ -961,7 +1000,8 @@ void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *
        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));
 
-       csqc_clent = sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
+       sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
+       csqc_clientnum = sv_writeentitiestoclient_clentnum - 1;
 
        sententitiesmark++;
 
@@ -1050,24 +1090,35 @@ void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t
        SV_SetIdealPitch ();            // how much to look up / down ideally
 
 // a fixangle might get lost in a dropped packet.  Oh well.
-       if ( ent->fields.server->fixangle )
+       if(ent->fields.server->fixangle)
+       {
+               // angle fixing was requested by global thinking code...
+               // so store the current angles for later use
+               memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
+               host_client->fixangle_angles_set = TRUE;
+
+               // and clear fixangle for the next frame
+               ent->fields.server->fixangle = 0;
+       }
+
+       if (host_client->fixangle_angles_set)
        {
                MSG_WriteByte (msg, svc_setangle);
                for (i=0 ; i < 3 ; i++)
-                       MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
-               ent->fields.server->fixangle = 0;
+                       MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
+               host_client->fixangle_angles_set = FALSE;
        }
 
        // stuff the sigil bits into the high bits of items for sbar, or else
        // mix in items2
-       val = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
+       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
        if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
                items = (int)ent->fields.server->items | ((int)val->_float << 23);
        else
                items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
 
        VectorClear(punchvector);
-       if ((val = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
+       if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
                VectorCopy(val->vector, punchvector);
 
        // cache weapon model name and index in client struct to save time
@@ -1080,7 +1131,7 @@ void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t
        }
 
        viewzoom = 255;
-       if ((val = PRVM_GETEDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
+       if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
                viewzoom = (int)(val->_float * 255.0f);
        if (viewzoom == 0)
                viewzoom = 255;
@@ -1384,7 +1435,7 @@ void SV_UpdateToReliableMessages (void)
 
                // DP_SV_CLIENTCOLORS
                // this is always found (since it's added by the progs loader)
-               if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
+               if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
                        host_client->colors = (int)val->_float;
                if (host_client->old_colors != host_client->colors)
                {
@@ -1397,22 +1448,22 @@ void SV_UpdateToReliableMessages (void)
 
                // NEXUIZ_PLAYERMODEL
                if( prog->fieldoffsets.playermodel >= 0 ) {
-                       model = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
+                       model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.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));
-                       PRVM_GETEDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
+                       PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
                }
 
                // NEXUIZ_PLAYERSKIN
                if( prog->fieldoffsets.playerskin >= 0 ) {
-                       skin = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
+                       skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.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));
-                       PRVM_GETEDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
+                       PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
                }
 
                // frags
@@ -1722,6 +1773,126 @@ int SV_SoundIndex(const char *s, int precachemode)
        return 0;
 }
 
+// MUST match effectnameindex_t in client.h
+static const char *standardeffectnames[EFFECT_TOTAL] =
+{
+       "",
+       "TE_GUNSHOT",
+       "TE_GUNSHOTQUAD",
+       "TE_SPIKE",
+       "TE_SPIKEQUAD",
+       "TE_SUPERSPIKE",
+       "TE_SUPERSPIKEQUAD",
+       "TE_WIZSPIKE",
+       "TE_KNIGHTSPIKE",
+       "TE_EXPLOSION",
+       "TE_EXPLOSIONQUAD",
+       "TE_TAREXPLOSION",
+       "TE_TELEPORT",
+       "TE_LAVASPLASH",
+       "TE_SMALLFLASH",
+       "TE_FLAMEJET",
+       "EF_FLAME",
+       "TE_BLOOD",
+       "TE_SPARK",
+       "TE_PLASMABURN",
+       "TE_TEI_G3",
+       "TE_TEI_SMOKE",
+       "TE_TEI_BIGEXPLOSION",
+       "TE_TEI_PLASMAHIT",
+       "EF_STARDUST",
+       "TR_ROCKET",
+       "TR_GRENADE",
+       "TR_BLOOD",
+       "TR_WIZSPIKE",
+       "TR_SLIGHTBLOOD",
+       "TR_KNIGHTSPIKE",
+       "TR_VORESPIKE",
+       "TR_NEHAHRASMOKE",
+       "TR_NEXUIZPLASMA",
+       "TR_GLOWTRAIL",
+       "SVC_PARTICLE"
+};
+
+/*
+================
+SV_ParticleEffectIndex
+
+================
+*/
+int SV_ParticleEffectIndex(const char *name)
+{
+       int i, argc, linenumber, effectnameindex;
+       fs_offset_t filesize;
+       unsigned char *filedata;
+       const char *text, *textstart, *textend;
+       char argv[16][1024];
+       if (!sv.particleeffectnamesloaded)
+       {
+               sv.particleeffectnamesloaded = true;
+               memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
+               for (i = 0;i < EFFECT_TOTAL;i++)
+                       strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
+               filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
+               if (filedata)
+               {
+                       textstart = (const char *)filedata;
+                       textend = (const char *)filedata + filesize;
+                       text = textstart;
+                       for (linenumber = 1;;linenumber++)
+                       {
+                               argc = 0;
+                               for (;;)
+                               {
+                                       if (!COM_ParseToken(&text, true) || !strcmp(com_token, "\n"))
+                                               break;
+                                       if (argc < 16)
+                                       {
+                                               strlcpy(argv[argc], com_token, sizeof(argv[argc]));
+                                               argc++;
+                                       }
+                               }
+                               if (com_token[0] == 0)
+                                       break; // if the loop exited and it's not a \n, it's EOF
+                               if (argc < 1)
+                                       continue;
+                               if (!strcmp(argv[0], "effect"))
+                               {
+                                       if (argc == 2)
+                                       {
+                                               for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
+                                               {
+                                                       if (sv.particleeffectname[effectnameindex][0])
+                                                       {
+                                                               if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
+                                                                       break;
+                                                       }
+                                                       else
+                                                       {
+                                                               strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
+                                                               break;
+                                                       }
+                                               }
+                                               // if we run out of names, abort
+                                               if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
+                                               {
+                                                       Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
+                                                       break;
+                                               }
+                                       }
+                               }
+                       }
+                       Mem_Free(filedata);
+               }
+       }
+       // search for the name
+       for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
+               if (!strcmp(sv.particleeffectname[effectnameindex], name))
+                       return effectnameindex;
+       // return 0 if we couldn't find it
+       return 0;
+}
+
 /*
 ================
 SV_CreateBaseline
@@ -2191,13 +2362,13 @@ void SV_VM_CB_InitEdict(prvm_edict_t *e)
                // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
                // reset them
                e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
-               if ((val = PRVM_GETEDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
+               if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
                        val->_float = svs.clients[num].colors;
                // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
                if( prog->fieldoffsets.playermodel >= 0 )
-                       PRVM_GETEDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
+                       PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
                if( prog->fieldoffsets.playerskin >= 0 )
-                       PRVM_GETEDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
+                       PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
        }
 }
 
@@ -2378,6 +2549,7 @@ prvm_required_field_t reqfields[] =
        {ev_float, "buttonuse"},
        {ev_float, "clientcolors"},
        {ev_float, "cursor_active"},
+       {ev_float, "disableclientprediction"},
        {ev_float, "fullbright"},
        {ev_float, "glow_color"},
        {ev_float, "glow_size"},
@@ -2448,6 +2620,35 @@ void SV_VM_Setup(void)
        // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
        PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
 
+       // some mods compiled with scrambling compilers lack certain critical
+       // global names and field names such as "self" and "time" and "nextthink"
+       // so we have to set these offsets manually, matching the entvars_t
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
+       PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
+       PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
+       // OP_STATE is always supported on server (due to entvars_t)
+       prog->flag |= PRVM_OP_STATE;
+
        VM_AutoSentStats_Clear();//[515]: csqc
        EntityFrameCSQC_ClearVersions();//[515]: csqc