]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - protocol.c
qw support is 99% working
[xonotic/darkplaces.git] / protocol.c
index cb7fda68e3bec8f254eef5ec4779eeef022e7f56..91e0b7cbc88cdc8b4a1fbbc70b2085ef09fd51a4 100644 (file)
@@ -1,7 +1,7 @@
 
 #include "quakedef.h"
 
-// this is 80 bytes
+// this is 88 bytes (must match entity_state_t in protocol.h)
 entity_state_t defaultstate =
 {
        // ! means this is not sent to client
@@ -10,6 +10,7 @@ entity_state_t defaultstate =
        {0,0,0},//float angles[3];
        0,//int number; // entity number this state is for
        0,//int effects;
+       0,//unsigned int customizeentityforclient; // !
        0,//unsigned short modelindex;
        0,//unsigned short frame;
        0,//unsigned short tagentity;
@@ -32,12 +33,12 @@ entity_state_t defaultstate =
        0,//unsigned char tagindex;
        {32, 32, 32},//unsigned char colormod[3];
        // padding to a multiple of 8 bytes (to align the double time)
-       {0,0}//unsigned char unused[2]; // !
+       {0,0,0,0,0,0}//unsigned char unused[6]; // !
 };
 
 // LordHavoc: I own protocol ranges 96, 97, 3500-3599
 
-struct
+struct protocolversioninfo_s
 {
        int number;
        const char *name;
@@ -45,16 +46,17 @@ struct
 protocolversioninfo[] =
 {
        {0, "UNKNOWN"},
-       {15, "QUAKE"},
+       {3504, "DP7"},
+       {3503, "DP6"},
+       {3502, "DP5"},
+       {3501, "DP4"},
+       {3500, "DP3"},
+       {97, "DP2"},
+       {96, "DP1"},
        {15, "QUAKEDP"},
        {250, "NEHAHRAMOVIE"},
-       {96, "DARKPLACES1"},
-       {97, "DARKPLACES2"},
-       {3500, "DARKPLACES3"},
-       {3501, "DARKPLACES4"},
-       {3502, "DARKPLACES5"},
-       {3503, "DARKPLACES6"},
-       {3504, "DARKPLACES7"},
+       {15, "QUAKE"},
+       {28, "QUAKEWORLD"},
        {0, NULL}
 };
 
@@ -63,7 +65,7 @@ protocolversion_t Protocol_EnumForName(const char *s)
        int i;
        for (i = 1;protocolversioninfo[i].name;i++)
                if (!strcasecmp(s, protocolversioninfo[i].name))
-                       return i;
+                       return (protocolversion_t)i;
        return PROTOCOL_UNKNOWN;
 }
 
@@ -77,7 +79,7 @@ protocolversion_t Protocol_EnumForNumber(int n)
        int i;
        for (i = 1;protocolversioninfo[i].name;i++)
                if (protocolversioninfo[i].number == n)
-                       return i;
+                       return (protocolversion_t)i;
        return PROTOCOL_UNKNOWN;
 }
 
@@ -102,7 +104,7 @@ void Protocol_Names(char *buffer, size_t buffersize)
 
 // keep track of quake entities because they need to be killed if they get stale
 int cl_lastquakeentity = 0;
-qbyte cl_isquakeentity[MAX_EDICTS];
+unsigned char cl_isquakeentity[MAX_EDICTS];
 
 void EntityFrameQuake_ReadEntity(int bits)
 {
@@ -112,7 +114,7 @@ void EntityFrameQuake_ReadEntity(int bits)
 
        if (bits & U_MOREBITS)
                bits |= (MSG_ReadByte()<<8);
-       if ((bits & U_EXTEND1) && cl.protocol != PROTOCOL_NEHAHRAMOVIE)
+       if ((bits & U_EXTEND1) && cls.protocol != PROTOCOL_NEHAHRAMOVIE)
        {
                bits |= MSG_ReadByte() << 16;
                if (bits & U_EXTEND2)
@@ -125,9 +127,9 @@ void EntityFrameQuake_ReadEntity(int bits)
                num = MSG_ReadByte ();
 
        if (num >= MAX_EDICTS)
-               Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)\n", num, MAX_EDICTS);
+               Host_Error("EntityFrameQuake_ReadEntity: entity number (%i) >= MAX_EDICTS (%i)", num, MAX_EDICTS);
        if (num < 1)
-               Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)\n", num);
+               Host_Error("EntityFrameQuake_ReadEntity: invalid entity number (%i)", num);
 
        if (cl_num_entities <= num)
        {
@@ -160,19 +162,19 @@ void EntityFrameQuake_ReadEntity(int bits)
        if (bits & U_COLORMAP)  s.colormap = MSG_ReadByte();
        if (bits & U_SKIN)              s.skin = MSG_ReadByte();
        if (bits & U_EFFECTS)   s.effects = (s.effects & 0xFF00) | MSG_ReadByte();
-       if (bits & U_ORIGIN1)   s.origin[0] = MSG_ReadCoord(cl.protocol);
-       if (bits & U_ANGLE1)    s.angles[0] = MSG_ReadAngle(cl.protocol);
-       if (bits & U_ORIGIN2)   s.origin[1] = MSG_ReadCoord(cl.protocol);
-       if (bits & U_ANGLE2)    s.angles[1] = MSG_ReadAngle(cl.protocol);
-       if (bits & U_ORIGIN3)   s.origin[2] = MSG_ReadCoord(cl.protocol);
-       if (bits & U_ANGLE3)    s.angles[2] = MSG_ReadAngle(cl.protocol);
+       if (bits & U_ORIGIN1)   s.origin[0] = MSG_ReadCoord(cls.protocol);
+       if (bits & U_ANGLE1)    s.angles[0] = MSG_ReadAngle(cls.protocol);
+       if (bits & U_ORIGIN2)   s.origin[1] = MSG_ReadCoord(cls.protocol);
+       if (bits & U_ANGLE2)    s.angles[1] = MSG_ReadAngle(cls.protocol);
+       if (bits & U_ORIGIN3)   s.origin[2] = MSG_ReadCoord(cls.protocol);
+       if (bits & U_ANGLE3)    s.angles[2] = MSG_ReadAngle(cls.protocol);
        if (bits & U_STEP)              s.flags |= RENDER_STEP;
        if (bits & U_ALPHA)             s.alpha = MSG_ReadByte();
        if (bits & U_SCALE)             s.scale = MSG_ReadByte();
        if (bits & U_EFFECTS2)  s.effects = (s.effects & 0x00FF) | (MSG_ReadByte() << 8);
        if (bits & U_GLOWSIZE)  s.glowsize = MSG_ReadByte();
        if (bits & U_GLOWCOLOR) s.glowcolor = MSG_ReadByte();
-       if (bits & U_COLORMOD)  {int c = MSG_ReadByte();s.colormod[0] = (qbyte)(((c >> 5) & 7) * (32.0f / 7.0f));s.colormod[1] = (qbyte)(((c >> 2) & 7) * (32.0f / 7.0f));s.colormod[2] = (qbyte)((c & 3) * (32.0f / 3.0f));}
+       if (bits & U_COLORMOD)  {int c = MSG_ReadByte();s.colormod[0] = (unsigned char)(((c >> 5) & 7) * (32.0f / 7.0f));s.colormod[1] = (unsigned char)(((c >> 2) & 7) * (32.0f / 7.0f));s.colormod[2] = (unsigned char)((c & 3) * (32.0f / 3.0f));}
        if (bits & U_GLOWTRAIL) s.flags |= RENDER_GLOWTRAIL;
        if (bits & U_FRAME2)    s.frame = (s.frame & 0x00FF) | (MSG_ReadByte() << 8);
        if (bits & U_MODEL2)    s.modelindex = (s.modelindex & 0x00FF) | (MSG_ReadByte() << 8);
@@ -180,7 +182,7 @@ void EntityFrameQuake_ReadEntity(int bits)
        if (bits & U_EXTERIORMODEL)     s.flags |= RENDER_EXTERIORMODEL;
 
        // LordHavoc: to allow playback of the Nehahra movie
-       if (cl.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
+       if (cls.protocol == PROTOCOL_NEHAHRAMOVIE && (bits & U_EXTEND1))
        {
                // LordHavoc: evil format
                int i = MSG_ReadFloat();
@@ -208,7 +210,7 @@ void EntityFrameQuake_ReadEntity(int bits)
        }
 
        if (msg_badread)
-               Host_Error("EntityFrameQuake_ReadEntity: read error\n");
+               Host_Error("EntityFrameQuake_ReadEntity: read error");
 }
 
 void EntityFrameQuake_ISeeDeadEntities(void)
@@ -238,13 +240,145 @@ void EntityFrameQuake_ISeeDeadEntities(void)
        }
 }
 
+static mempool_t *sv2csqc = NULL;
+int csqc_clent = 0;
+sizebuf_t *sv2csqcbuf = NULL;
+static unsigned char *sv2csqcents_version[64];
+
+void EntityFrameCSQC_ClearVersions (void)
+{
+       if(sv2csqc)
+       {
+               Mem_FreePool(&sv2csqc);
+               sv2csqc = NULL;
+       }
+       memset(sv2csqcents_version, 0, 64*sizeof(unsigned char *));
+}
+
+void EntityFrameCSQC_InitClientVersions (int client, qboolean clear)
+{
+       if(!sv2csqc)
+               sv2csqc = Mem_AllocPool("SV2CSQC", 0, NULL);
+       if(sv2csqcents_version[client])
+       {
+               Mem_Free(sv2csqcents_version[client]);
+               sv2csqcents_version[client] = NULL;
+       }
+       sv2csqcents_version[client] = Mem_Alloc(sv2csqc, MAX_EDICTS);
+       memset(sv2csqcents_version[client], 0, MAX_EDICTS);
+}
+
+//[515]: we use only one array per-client for SendEntity feature
+void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states)
+{
+       sizebuf_t                               buf;
+       unsigned char                                   data[2048];
+       const entity_state_t    *s;
+       unsigned short                  i, t, t2, t0;
+       prvm_eval_t                             *val, *val2;
+       int                                             csqcents = 0;
+
+       if(!eval_SendEntity || !eval_Version)
+               return;
+       --csqc_clent;
+       if(!sv2csqcents_version[csqc_clent])
+               EntityFrameCSQC_InitClientVersions(csqc_clent, false);
+
+       for (csqcents = i = 0, s = states;i < numstates;i++, s++)
+       {
+               //[515]: entities remove
+               if(i+1 >= numstates)
+                       t2 = prog->num_edicts;
+               else
+                       t2 = states[i+1].number;
+               if(!i)
+               {
+                       t0 = 1;
+                       t2 = s->number;
+               }
+               else
+                       t0 = s->number+1;
+               for(t=t0; t<t2 ;t++)
+                       if(sv2csqcents_version[csqc_clent][t])
+                       {
+                               if(!csqcents)
+                               {
+                                       csqcents = 1;
+                                       memset(&buf, 0, sizeof(buf));
+                                       buf.data = data;
+                                       buf.maxsize = sizeof(data);
+                                       sv2csqcbuf = &buf;
+                                       SZ_Clear(&buf);
+                                       MSG_WriteByte(&buf, svc_csqcentities);
+                               }
+                               sv2csqcents_version[csqc_clent][t] = 0;
+                               MSG_WriteShort(&buf, (unsigned short)t | 0x8000);
+                               csqcents++;
+                       }
+               //[515]: entities remove
+
+//             if(!s->active)
+//                     continue;
+               val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity);
+               if(val->function)
+               {
+                       val2 = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_Version);
+                       if(sv2csqcents_version[csqc_clent][s->number] == (unsigned char)val2->_float)
+                               continue;
+                       if(!csqcents)
+                       {
+                               csqcents = 1;
+                               memset(&buf, 0, sizeof(buf));
+                               buf.data = data;
+                               buf.maxsize = sizeof(data);
+                               sv2csqcbuf = &buf;
+                               SZ_Clear(&buf);
+                               MSG_WriteByte(&buf, svc_csqcentities);
+                       }
+                       if((unsigned char)val2->_float == 0)
+                               val2->_float = 1;
+                       MSG_WriteShort(&buf, s->number);
+                       ((int *)prog->globals.generic)[OFS_PARM0] = csqc_clent+1;
+                       prog->globals.server->self = s->number;
+                       PRVM_ExecuteProgram(val->function, "Null SendEntity\n");
+                       if(!prog->globals.generic[OFS_RETURN])
+                       {
+                               buf.cursize -= 2;
+                               if(sv2csqcents_version[csqc_clent][s->number])
+                               {
+                                       sv2csqcents_version[csqc_clent][s->number] = 0;
+                                       MSG_WriteShort(&buf, (unsigned short)s->number | 0x8000);
+                                       csqcents++;
+                               }
+                       }
+                       else
+                       {
+                               sv2csqcents_version[csqc_clent][s->number] = (unsigned char)val2->_float;
+                               csqcents++;
+                       }
+                       if (msg->cursize + buf.cursize > msg->maxsize)
+                               break;
+               }
+       }
+       if(csqcents)
+       {
+               if(csqcents > 1)
+               {
+                       MSG_WriteShort(&buf, 0);
+                       SZ_Write(msg, buf.data, buf.cursize);
+               }
+               sv2csqcbuf = NULL;
+       }
+}
+
 void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_state_t *states)
 {
        const entity_state_t *s;
        entity_state_t baseline;
        int i, bits;
        sizebuf_t buf;
-       qbyte data[128];
+       unsigned char data[128];
+       prvm_eval_t *val;
 
        // prepare the buffer
        memset(&buf, 0, sizeof(buf));
@@ -253,6 +387,10 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_sta
 
        for (i = 0, s = states;i < numstates;i++, s++)
        {
+               val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity);
+               if(val && val->function)
+                       continue;
+
                // prepare the buffer
                SZ_Clear(&buf);
 
@@ -270,7 +408,7 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_sta
                        bits |= U_EXTERIORMODEL;
 
                // LordHavoc: old stuff, but rewritten to have more exact tolerances
-               baseline = sv.edicts[s->number].e->baseline;
+               baseline = prog->edicts[s->number].priv.server->baseline;
                if (baseline.origin[0] != s->origin[0])
                        bits |= U_ORIGIN1;
                if (baseline.origin[1] != s->origin[1])
@@ -353,7 +491,7 @@ void EntityFrameQuake_WriteFrame(sizebuf_t *msg, int numstates, const entity_sta
                if (bits & U_EFFECTS2)          MSG_WriteByte(&buf, s->effects >> 8);
                if (bits & U_GLOWSIZE)          MSG_WriteByte(&buf, s->glowsize);
                if (bits & U_GLOWCOLOR)         MSG_WriteByte(&buf, s->glowcolor);
-               if (bits & U_COLORMOD)          {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[0] * (3.0f / 32.0f), 3) << 0);MSG_WriteByte(&buf, c);}
+               if (bits & U_COLORMOD)          {int c = ((int)bound(0, s->colormod[0] * (7.0f / 32.0f), 7) << 5) | ((int)bound(0, s->colormod[1] * (7.0f / 32.0f), 7) << 2) | ((int)bound(0, s->colormod[2] * (3.0f / 32.0f), 3) << 0);MSG_WriteByte(&buf, c);}
                if (bits & U_FRAME2)            MSG_WriteByte(&buf, s->frame >> 8);
                if (bits & U_MODEL2)            MSG_WriteByte(&buf, s->modelindex >> 8);
 
@@ -397,11 +535,11 @@ int EntityState_DeltaBits(const entity_state_t *o, const entity_state_t *n)
                bits |= E_ORIGIN2;
        if (fabs(n->origin[2] - o->origin[2]) > (1.0f / 256.0f))
                bits |= E_ORIGIN3;
-       if ((qbyte) (n->angles[0] * (256.0f / 360.0f)) != (qbyte) (o->angles[0] * (256.0f / 360.0f)))
+       if ((unsigned char) (n->angles[0] * (256.0f / 360.0f)) != (unsigned char) (o->angles[0] * (256.0f / 360.0f)))
                bits |= E_ANGLE1;
-       if ((qbyte) (n->angles[1] * (256.0f / 360.0f)) != (qbyte) (o->angles[1] * (256.0f / 360.0f)))
+       if ((unsigned char) (n->angles[1] * (256.0f / 360.0f)) != (unsigned char) (o->angles[1] * (256.0f / 360.0f)))
                bits |= E_ANGLE2;
-       if ((qbyte) (n->angles[2] * (256.0f / 360.0f)) != (qbyte) (o->angles[2] * (256.0f / 360.0f)))
+       if ((unsigned char) (n->angles[2] * (256.0f / 360.0f)) != (unsigned char) (o->angles[2] * (256.0f / 360.0f)))
                bits |= E_ANGLE3;
        if ((n->modelindex ^ o->modelindex) & 0x00FF)
                bits |= E_MODEL1;
@@ -607,7 +745,7 @@ int EntityState_ReadExtendBits(void)
 
 void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
 {
-       if (cl.protocol == PROTOCOL_DARKPLACES2)
+       if (cls.protocol == PROTOCOL_DARKPLACES2)
        {
                if (bits & E_ORIGIN1)
                        e->origin[0] = MSG_ReadCoord16i();
@@ -639,23 +777,23 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                                e->origin[2] = MSG_ReadCoord32f();
                }
        }
-       if ((cl.protocol == PROTOCOL_DARKPLACES1 || cl.protocol == PROTOCOL_DARKPLACES2 || cl.protocol == PROTOCOL_DARKPLACES3 || cl.protocol == PROTOCOL_DARKPLACES4) && (e->flags & RENDER_LOWPRECISION))
+       if ((cls.protocol == PROTOCOL_DARKPLACES5 || cls.protocol == PROTOCOL_DARKPLACES6) && !(e->flags & RENDER_LOWPRECISION))
        {
                if (bits & E_ANGLE1)
-                       e->angles[0] = MSG_ReadAngle8i();
+                       e->angles[0] = MSG_ReadAngle16i();
                if (bits & E_ANGLE2)
-                       e->angles[1] = MSG_ReadAngle8i();
+                       e->angles[1] = MSG_ReadAngle16i();
                if (bits & E_ANGLE3)
-                       e->angles[2] = MSG_ReadAngle8i();
+                       e->angles[2] = MSG_ReadAngle16i();
        }
        else
        {
                if (bits & E_ANGLE1)
-                       e->angles[0] = MSG_ReadAngle16i();
+                       e->angles[0] = MSG_ReadAngle8i();
                if (bits & E_ANGLE2)
-                       e->angles[1] = MSG_ReadAngle16i();
+                       e->angles[1] = MSG_ReadAngle8i();
                if (bits & E_ANGLE3)
-                       e->angles[2] = MSG_ReadAngle16i();
+                       e->angles[2] = MSG_ReadAngle8i();
        }
        if (bits & E_MODEL1)
                e->modelindex = (e->modelindex & 0xFF00) | (unsigned int) MSG_ReadByte();
@@ -681,7 +819,7 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
                e->glowsize = MSG_ReadByte();
        if (bits & E_GLOWCOLOR)
                e->glowcolor = MSG_ReadByte();
-       if (cl.protocol == PROTOCOL_DARKPLACES2)
+       if (cls.protocol == PROTOCOL_DARKPLACES2)
                if (bits & E_FLAGS)
                        e->flags = MSG_ReadByte();
        if (bits & E_TAGATTACHMENT)
@@ -754,7 +892,7 @@ void EntityState_ReadFields(entity_state_t *e, unsigned int bits)
 // (client and server) allocates a new empty database
 entityframe_database_t *EntityFrame_AllocDatabase(mempool_t *mempool)
 {
-       return Mem_Alloc(mempool, sizeof(entityframe_database_t));
+       return (entityframe_database_t *)Mem_Alloc(mempool, sizeof(entityframe_database_t));
 }
 
 // (client and server) frees the database
@@ -876,6 +1014,7 @@ void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numst
        entity_frame_t *o = &deltaframe;
        const entity_state_t *ent, *delta;
        vec3_t eye;
+       prvm_eval_t *val;
 
        d->latestframenum++;
 
@@ -905,6 +1044,10 @@ void EntityFrame_WriteFrame(sizebuf_t *msg, entityframe_database_t *d, int numst
        {
                ent = states + i;
                number = ent->number;
+
+               val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[number]), eval_SendEntity);
+               if(val && val->function)
+                               continue;
                for (;onum < o->numentities && o->entitydata[onum].number < number;onum++)
                {
                        // write remove message
@@ -964,17 +1107,17 @@ void EntityFrame_CL_ReadFrame(void)
        while ((number = (unsigned short) MSG_ReadShort()) != 0xFFFF && !msg_badread)
        {
                if (msg_badread)
-                       Host_Error("EntityFrame_Read: read error\n");
+                       Host_Error("EntityFrame_Read: read error");
                removed = number & 0x8000;
                number &= 0x7FFF;
                if (number >= MAX_EDICTS)
-                       Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)\n", number, MAX_EDICTS);
+                       Host_Error("EntityFrame_Read: number (%i) >= MAX_EDICTS (%i)", number, MAX_EDICTS);
 
                // seek to entity, while copying any skipped entities (assume unchanged)
                while (old < oldend && old->number < number)
                {
                        if (f->numentities >= MAX_ENTITY_DATABASE)
-                               Host_Error("EntityFrame_Read: entity list too big\n");
+                               Host_Error("EntityFrame_Read: entity list too big");
                        f->entitydata[f->numentities] = *old++;
                        f->entitydata[f->numentities++].time = cl.mtime[0];
                }
@@ -988,7 +1131,7 @@ void EntityFrame_CL_ReadFrame(void)
                else
                {
                        if (f->numentities >= MAX_ENTITY_DATABASE)
-                               Host_Error("EntityFrame_Read: entity list too big\n");
+                               Host_Error("EntityFrame_Read: entity list too big");
 
                        // reserve this slot
                        e = f->entitydata + f->numentities++;
@@ -1020,13 +1163,13 @@ void EntityFrame_CL_ReadFrame(void)
        while (old < oldend)
        {
                if (f->numentities >= MAX_ENTITY_DATABASE)
-                       Host_Error("EntityFrame_Read: entity list too big\n");
+                       Host_Error("EntityFrame_Read: entity list too big");
                f->entitydata[f->numentities] = *old++;
                f->entitydata[f->numentities++].time = cl.mtime[0];
        }
        EntityFrame_AddFrame(d, f->eye, f->framenum, f->numentities, f->entitydata);
 
-       memset(cl_entities_active, 0, cl_num_entities * sizeof(qbyte));
+       memset(cl_entities_active, 0, cl_num_entities * sizeof(unsigned char));
        number = 1;
        for (i = 0;i < f->numentities;i++)
        {
@@ -1081,7 +1224,7 @@ entity_state_t *EntityFrame4_GetReferenceEntity(entityframe4_database_t *d, int
                int oldmax = d->maxreferenceentities;
                entity_state_t *oldentity = d->referenceentity;
                d->maxreferenceentities = (number + 15) & ~7;
-               d->referenceentity = Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
+               d->referenceentity = (entity_state_t *)Mem_Alloc(d->mempool, d->maxreferenceentities * sizeof(*d->referenceentity));
                if (oldentity)
                {
                        memcpy(d->referenceentity, oldentity, oldmax * sizeof(*d->referenceentity));
@@ -1104,7 +1247,7 @@ void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state
        {
                entity_state_t *oldentity = d->currentcommit->entity;
                d->currentcommit->maxentities += 8;
-               d->currentcommit->entity = Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
+               d->currentcommit->entity = (entity_state_t *)Mem_Alloc(d->mempool, d->currentcommit->maxentities * sizeof(*d->currentcommit->entity));
                if (oldentity)
                {
                        memcpy(d->currentcommit->entity, oldentity, d->currentcommit->numentities * sizeof(*d->currentcommit->entity));
@@ -1117,7 +1260,7 @@ void EntityFrame4_AddCommitEntity(entityframe4_database_t *d, const entity_state
 entityframe4_database_t *EntityFrame4_AllocDatabase(mempool_t *pool)
 {
        entityframe4_database_t *d;
-       d = Mem_Alloc(pool, sizeof(*d));
+       d = (entityframe4_database_t *)Mem_Alloc(pool, sizeof(*d));
        d->mempool = pool;
        EntityFrame4_ResetDatabase(d);
        return d;
@@ -1346,7 +1489,8 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int num
        entity_state_t inactiveentitystate;
        int i, n, startnumber;
        sizebuf_t buf;
-       qbyte data[128];
+       unsigned char data[128];
+       prvm_eval_t *val;
 
        // if there isn't enough space to accomplish anything, skip it
        if (msg->cursize + 24 > msg->maxsize)
@@ -1381,16 +1525,19 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int num
                                Con_Printf(" %i", d->commit[i].framenum);
                Con_Print(")\n");
        }
-       if (d->currententitynumber >= sv.max_edicts)
+       if (d->currententitynumber >= prog->max_edicts)
                startnumber = 1;
        else
-               startnumber = bound(1, d->currententitynumber, sv.max_edicts - 1);
+               startnumber = bound(1, d->currententitynumber, prog->max_edicts - 1);
        MSG_WriteShort(msg, startnumber);
        // reset currententitynumber so if the loop does not break it we will
        // start at beginning next frame (if it does break, it will set it)
        d->currententitynumber = 1;
-       for (i = 0, n = startnumber;n < sv.max_edicts;n++)
+       for (i = 0, n = startnumber;n < prog->max_edicts;n++)
        {
+               val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[n]), eval_SendEntity);
+               if(val && val->function)
+                       continue;
                // find the old state to delta from
                e = EntityFrame4_GetReferenceEntity(d, n);
                // prepare the buffer
@@ -1447,9 +1594,12 @@ void EntityFrame4_WriteFrame(sizebuf_t *msg, entityframe4_database_t *d, int num
 
 entityframe5_database_t *EntityFrame5_AllocDatabase(mempool_t *pool)
 {
+       int i;
        entityframe5_database_t *d;
-       d = Mem_Alloc(pool, sizeof(*d));
-       EntityFrame5_ResetDatabase(d);
+       d = (entityframe5_database_t *)Mem_Alloc(pool, sizeof(*d));
+       d->latestframenum = 0;
+       for (i = 0;i < d->maxedicts;i++)
+               d->states[i] = defaultstate;
        return d;
 }
 
@@ -1462,40 +1612,31 @@ void EntityFrame5_FreeDatabase(entityframe5_database_t *d)
        Mem_Free(d);
 }
 
-void EntityFrame5_ResetDatabase(entityframe5_database_t *d)
-{
-       int i;
-       memset(d, 0, sizeof(*d));
-       d->latestframenum = 0;
-       for (i = 0;i < d->maxedicts;i++)
-               d->states[i] = defaultstate;
-}
-
 void EntityFrame5_ExpandEdicts(entityframe5_database_t *d, int newmax)
 {
        if (d->maxedicts < newmax)
        {
-               qbyte *data;
+               unsigned char *data;
                int oldmaxedicts = d->maxedicts;
                int *olddeltabits = d->deltabits;
-               qbyte *oldpriorities = d->priorities;
+               unsigned char *oldpriorities = d->priorities;
                int *oldupdateframenum = d->updateframenum;
                entity_state_t *oldstates = d->states;
-               qbyte *oldvisiblebits = d->visiblebits;
+               unsigned char *oldvisiblebits = d->visiblebits;
                d->maxedicts = newmax;
-               data = Mem_Alloc(sv_mempool, d->maxedicts * sizeof(int) + d->maxedicts * sizeof(qbyte) + d->maxedicts * sizeof(int) + d->maxedicts * sizeof(entity_state_t) + (d->maxedicts+7)/8 * sizeof(qbyte));
-               d->deltabits = (void *)data;data += d->maxedicts * sizeof(int);
-               d->priorities = (void *)data;data += d->maxedicts * sizeof(qbyte);
-               d->updateframenum = (void *)data;data += d->maxedicts * sizeof(int);
-               d->states = (void *)data;data += d->maxedicts * sizeof(entity_state_t);
-               d->visiblebits = (void *)data;data += (d->maxedicts+7)/8 * sizeof(qbyte);
+               data = (unsigned char *)Mem_Alloc(sv_mempool, d->maxedicts * sizeof(int) + d->maxedicts * sizeof(unsigned char) + d->maxedicts * sizeof(int) + d->maxedicts * sizeof(entity_state_t) + (d->maxedicts+7)/8 * sizeof(unsigned char));
+               d->deltabits = (int *)data;data += d->maxedicts * sizeof(int);
+               d->priorities = (unsigned char *)data;data += d->maxedicts * sizeof(unsigned char);
+               d->updateframenum = (int *)data;data += d->maxedicts * sizeof(int);
+               d->states = (entity_state_t *)data;data += d->maxedicts * sizeof(entity_state_t);
+               d->visiblebits = (unsigned char *)data;data += (d->maxedicts+7)/8 * sizeof(unsigned char);
                if (oldmaxedicts)
                {
                        memcpy(d->deltabits, olddeltabits, oldmaxedicts * sizeof(int));
-                       memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(qbyte));
+                       memcpy(d->priorities, oldpriorities, oldmaxedicts * sizeof(unsigned char));
                        memcpy(d->updateframenum, oldupdateframenum, oldmaxedicts * sizeof(int));
                        memcpy(d->states, oldstates, oldmaxedicts * sizeof(entity_state_t));
-                       memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(qbyte));
+                       memcpy(d->visiblebits, oldvisiblebits, (oldmaxedicts+7)/8 * sizeof(unsigned char));
                        // the previous buffers were a single allocation, so just one free
                        Mem_Free(olddeltabits);
                }
@@ -1557,6 +1698,12 @@ int EntityState5_Priority(entityframe5_database_t *d, int stateindex)
 void EntityState5_WriteUpdate(int number, const entity_state_t *s, int changedbits, sizebuf_t *msg)
 {
        unsigned int bits = 0;
+
+       prvm_eval_t *val;
+       val = PRVM_GETEDICTFIELDVALUE((&prog->edicts[s->number]), eval_SendEntity);
+       if(val && val->function)
+               return;
+
        if (!s->active)
                MSG_WriteShort(msg, number | 0x8000);
        else
@@ -1897,7 +2044,9 @@ void EntityFrame5_CL_ReadFrame(void)
        for (i = 0;i < LATESTFRAMENUMS-1;i++)
                cl.latestframenums[i] = cl.latestframenums[i+1];
        cl.latestframenums[LATESTFRAMENUMS-1] = MSG_ReadLong();
-       if (cl.protocol != PROTOCOL_QUAKE && cl.protocol != PROTOCOL_QUAKEDP && cl.protocol != PROTOCOL_NEHAHRAMOVIE && cl.protocol != PROTOCOL_DARKPLACES1 && cl.protocol != PROTOCOL_DARKPLACES2 && cl.protocol != PROTOCOL_DARKPLACES3 && cl.protocol != PROTOCOL_DARKPLACES4 && cl.protocol != PROTOCOL_DARKPLACES5 && cl.protocol != PROTOCOL_DARKPLACES6)
+       if (developer_networkentities.integer)
+               Con_Printf("recv: svc_entities %i\n", cl.latestframenums[LATESTFRAMENUMS-1]);
+       if (cls.protocol != PROTOCOL_QUAKE && cls.protocol != PROTOCOL_QUAKEDP && cls.protocol != PROTOCOL_NEHAHRAMOVIE && cls.protocol != PROTOCOL_DARKPLACES1 && cls.protocol != PROTOCOL_DARKPLACES2 && cls.protocol != PROTOCOL_DARKPLACES3 && cls.protocol != PROTOCOL_DARKPLACES4 && cls.protocol != PROTOCOL_DARKPLACES5 && cls.protocol != PROTOCOL_DARKPLACES6)
                cl.servermovesequence = MSG_ReadLong();
        // read entity numbers until we find a 0x8000
        // (which would be remove world entity, but is actually a terminator)
@@ -1953,7 +2102,7 @@ void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
        int i, j, k, l, bits;
        entityframe5_changestate_t *s, *s2;
        entityframe5_packetlog_t *p, *p2;
-       qbyte statsdeltabits[(MAX_CL_STATS+7)/8];
+       unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
        // scan for packets that were lost
        for (i = 0, p = d->packetlog;i < ENTITYFRAME5_MAXPACKETLOGS;i++, p++)
        {
@@ -1985,7 +2134,10 @@ void EntityFrame5_LostFrame(entityframe5_database_t *d, int framenum)
                                // if the bits haven't all been cleared, there were some bits
                                // lost with this packet, so set them again now
                                if (bits)
+                               {
                                        d->deltabits[s->number] |= bits;
+                                       d->priorities[s->number] = EntityState5_Priority(d, s->number);
+                               }
                        }
                        // mark lost stats
                        for (j = 0;j < MAX_CL_STATS;j++)
@@ -2022,11 +2174,11 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
        const entity_state_t *n;
        int i, num, l, framenum, packetlognumber, priority;
        sizebuf_t buf;
-       qbyte data[128];
+       unsigned char data[128];
        entityframe5_packetlog_t *packetlog;
 
-       if (sv.max_edicts > d->maxedicts)
-               EntityFrame5_ExpandEdicts(d, (sv.max_edicts + 255) & ~255);
+       if (prog->max_edicts > d->maxedicts)
+               EntityFrame5_ExpandEdicts(d, prog->max_edicts);
 
        framenum = d->latestframenum + 1;
        d->viewentnum = viewentnum;
@@ -2038,6 +2190,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                        break;
        if (packetlognumber == ENTITYFRAME5_MAXPACKETLOGS)
        {
+               Con_DPrintf("EntityFrame5_WriteFrame: packetlog overflow for a client, resetting\n");
                EntityFrame5_LostFrame(d, framenum);
                packetlognumber = 0;
        }
@@ -2090,8 +2243,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                num++;
        }
        // all remaining entities are dead
-       // note: this must use sv.max_edicts, not sv.num_edicts, because sv.num_edicts can both increase and decrease, where as sv.max_edicts only increases (if sv.num_edicts is used, sometimes some entities are missed when the sv.num_edicts count goes back down after firing some shots)
-       for (;num < sv.max_edicts;num++)
+       for (;num < d->maxedicts;num++)
        {
                if (CHECKPVSBIT(d->visiblebits, num))
                {
@@ -2103,10 +2255,15 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                }
        }
 
+       // if there isn't at least enough room for an empty svc_entities,
+       // don't bother trying...
+       if (buf.cursize + 11 > buf.maxsize)
+               return;
+
        // build lists of entities by priority level
        memset(entityframe5_prioritychaincounts, 0, sizeof(entityframe5_prioritychaincounts));
        l = 0;
-       for (num = 0;num < sv.num_edicts;num++)
+       for (num = 0;num < d->maxedicts;num++)
        {
                if (d->priorities[num])
                {
@@ -2124,7 +2281,7 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
        // write stat updates
        if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
        {
-               for (i = 0;i < MAX_CL_STATS;i++)
+               for (i = 0;i < MAX_CL_STATS && msg->cursize + 6 + 11 <= msg->maxsize;i++)
                {
                        if (d->statsdeltabits[i>>3] & (1<<(i&7)))
                        {
@@ -2146,6 +2303,8 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
                }
        }
        // write state updates
+       if (developer_networkentities.integer)
+               Con_Printf("send: svc_entities %i\n", framenum);
        d->latestframenum = framenum;
        MSG_WriteByte(msg, svc_entities);
        MSG_WriteLong(msg, framenum);
@@ -2180,3 +2339,389 @@ void EntityFrame5_WriteFrame(sizebuf_t *msg, entityframe5_database_t *d, int num
        MSG_WriteShort(msg, 0x8000);
 }
 
+
+static int QW_TranslateEffects(int qweffects, int number)
+{
+       int effects = 0;
+       if (qweffects & QW_EF_BRIGHTFIELD)
+               effects |= EF_BRIGHTFIELD;
+       if (qweffects & QW_EF_MUZZLEFLASH)
+               effects |= EF_MUZZLEFLASH;
+       if (qweffects & QW_EF_FLAG1)
+       {
+               // mimic FTEQW's interpretation of EF_FLAG1 as EF_NODRAW on non-player entities
+               if (number > cl.maxclients)
+                       effects |= EF_NODRAW;
+               else
+                       effects |= EF_FLAG1QW;
+       }
+       if (qweffects & QW_EF_FLAG2)
+       {
+               // mimic FTEQW's interpretation of EF_FLAG2 as EF_ADDITIVE on non-player entities
+               if (number > cl.maxclients)
+                       effects |= EF_ADDITIVE;
+               else
+                       effects |= EF_FLAG2QW;
+       }
+       if (qweffects & QW_EF_RED)
+       {
+               if (qweffects & QW_EF_BLUE)
+                       effects |= EF_RED | EF_BLUE;
+               else
+                       effects |= EF_RED;
+       }
+       else if (qweffects & QW_EF_BLUE)
+               effects |= EF_BLUE;
+       else if (qweffects & QW_EF_BRIGHTLIGHT)
+               effects |= EF_BRIGHTLIGHT;
+       else if (qweffects & QW_EF_DIMLIGHT)
+               effects |= EF_DIMLIGHT;
+       return effects;
+}
+
+void EntityStateQW_ReadPlayerUpdate(void)
+{
+       int slot = MSG_ReadByte();
+       int enumber = slot + 1;
+       int weaponframe;
+       int msec;
+       int playerflags;
+       int bits;
+       entity_state_t *s;
+       // look up the entity
+       entity_t *ent = cl_entities + enumber;
+       vec3_t viewangles;
+       vec3_t velocity;
+
+       // slide the current state into the previous
+       ent->state_previous = ent->state_current;
+
+       // read the update
+       s = &ent->state_current;
+       *s = defaultstate;
+       s->active = true;
+       s->colormap = enumber;
+       playerflags = MSG_ReadShort();
+       MSG_ReadVector(s->origin, cls.protocol);
+       s->frame = MSG_ReadByte();
+
+       VectorClear(viewangles);
+       VectorClear(velocity);
+
+       if (playerflags & QW_PF_MSEC)
+       {
+               // time difference between last update this player sent to the server,
+               // and last input we sent to the server (this packet is in response to
+               // our input, so msec is how long ago the last update of this player
+               // entity occurred, compared to our input being received)
+               msec = MSG_ReadByte();
+       }
+       else
+               msec = 0;
+       if (playerflags & QW_PF_COMMAND)
+       {
+               bits = MSG_ReadByte();
+               if (bits & QW_CM_ANGLE1)
+                       viewangles[0] = MSG_ReadAngle16i(); // cmd->angles[0]
+               if (bits & QW_CM_ANGLE2)
+                       viewangles[1] = MSG_ReadAngle16i(); // cmd->angles[1]
+               if (bits & QW_CM_ANGLE3)
+                       viewangles[2] = MSG_ReadAngle16i(); // cmd->angles[2]
+               if (bits & QW_CM_FORWARD)
+                       MSG_ReadShort(); // cmd->forwardmove
+               if (bits & QW_CM_SIDE)
+                       MSG_ReadShort(); // cmd->sidemove
+               if (bits & QW_CM_UP)
+                       MSG_ReadShort(); // cmd->upmove
+               if (bits & QW_CM_BUTTONS)
+                       MSG_ReadByte(); // cmd->buttons
+               if (bits & QW_CM_IMPULSE)
+                       MSG_ReadByte(); // cmd->impulse
+               MSG_ReadByte(); // cmd->msec
+       }
+       if (playerflags & QW_PF_VELOCITY1)
+               velocity[0] = MSG_ReadShort();
+       if (playerflags & QW_PF_VELOCITY2)
+               velocity[1] = MSG_ReadShort();
+       if (playerflags & QW_PF_VELOCITY3)
+               velocity[2] = MSG_ReadShort();
+       if (playerflags & QW_PF_MODEL)
+               s->modelindex = MSG_ReadByte();
+       else
+               s->modelindex = cl.qw_modelindex_player;
+       if (playerflags & QW_PF_SKINNUM)
+               s->skin = MSG_ReadByte();
+       if (playerflags & QW_PF_EFFECTS)
+               s->effects = QW_TranslateEffects(MSG_ReadByte(), enumber);
+       if (playerflags & QW_PF_WEAPONFRAME)
+               weaponframe = MSG_ReadByte();
+       else
+               weaponframe = 0;
+
+       if (enumber == cl.playerentity)
+       {
+               // if this is an update on our player, update the angles
+               VectorCopy(cl.viewangles, viewangles);
+       }
+
+       // calculate the entity angles from the viewangles
+       s->angles[0] = viewangles[0] * -0.0333;
+       s->angles[1] = viewangles[1];
+       s->angles[2] = 0;
+       s->angles[2] = V_CalcRoll(s->angles, velocity)*4;
+
+       // if this is an update on our player, update interpolation state
+       if (enumber == cl.playerentity)
+       {
+               VectorCopy (cl.mpunchangle[0], cl.mpunchangle[1]);
+               VectorCopy (cl.mpunchvector[0], cl.mpunchvector[1]);
+               VectorCopy (cl.mvelocity[0], cl.mvelocity[1]);
+               cl.mviewzoom[1] = cl.mviewzoom[0];
+
+               cl.idealpitch = 0;
+               cl.mpunchangle[0][0] = 0;
+               cl.mpunchangle[0][1] = 0;
+               cl.mpunchangle[0][2] = 0;
+               cl.mpunchvector[0][0] = 0;
+               cl.mpunchvector[0][1] = 0;
+               cl.mpunchvector[0][2] = 0;
+               cl.mvelocity[0][0] = 0;
+               cl.mvelocity[0][1] = 0;
+               cl.mvelocity[0][2] = 0;
+               cl.mviewzoom[0] = 1;
+
+               VectorCopy(velocity, cl.mvelocity[0]);
+               cl.stats[STAT_WEAPONFRAME] = weaponframe;
+               if (playerflags & QW_PF_GIB)
+                       cl.stats[STAT_VIEWHEIGHT] = 8;
+               else if (playerflags & QW_PF_DEAD)
+                       cl.stats[STAT_VIEWHEIGHT] = -16;
+               else
+                       cl.stats[STAT_VIEWHEIGHT] = 22;
+       }
+
+       // set the cl_entities_active flag
+       cl_entities_active[enumber] = s->active;
+       // set the update time
+       s->time = cl.mtime[0] - msec * 0.001; // qw has no clock
+       // fix the number (it gets wiped occasionally by copying from defaultstate)
+       s->number = enumber;
+       // check if we need to update the lerp stuff
+       if (s->active)
+               CL_MoveLerpEntityStates(&cl_entities[enumber]);
+}
+
+static void EntityStateQW_ReadEntityUpdate(entity_state_t *s, int bits)
+{
+       int qweffects = 0;
+       s->active = true;
+       s->number = bits & 511;
+       bits &= ~511;
+       if (bits & QW_U_MOREBITS)
+               bits |= MSG_ReadByte();
+
+       // store the QW_U_SOLID bit here?
+
+       if (bits & QW_U_MODEL)
+               s->modelindex = MSG_ReadByte();
+       if (bits & QW_U_FRAME)
+               s->frame = MSG_ReadByte();
+       if (bits & QW_U_COLORMAP)
+               s->colormap = MSG_ReadByte();
+       if (bits & QW_U_SKIN)
+               s->skin = MSG_ReadByte();
+       if (bits & QW_U_EFFECTS)
+               s->effects = QW_TranslateEffects(qweffects = MSG_ReadByte(), s->number);
+       if (bits & QW_U_ORIGIN1)
+               s->origin[0] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE1)
+               s->angles[0] = MSG_ReadAngle8i();
+       if (bits & QW_U_ORIGIN2)
+               s->origin[1] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE2)
+               s->angles[1] = MSG_ReadAngle8i();
+       if (bits & QW_U_ORIGIN3)
+               s->origin[2] = MSG_ReadCoord13i();
+       if (bits & QW_U_ANGLE3)
+               s->angles[2] = MSG_ReadAngle8i();
+
+       if (developer_networkentities.integer >= 2)
+       {
+               Con_Printf("ReadFields e%i", s->number);
+               if (bits & QW_U_MODEL)
+                       Con_Printf(" U_MODEL %i", s->modelindex);
+               if (bits & QW_U_FRAME)
+                       Con_Printf(" U_FRAME %i", s->frame);
+               if (bits & QW_U_COLORMAP)
+                       Con_Printf(" U_COLORMAP %i", s->colormap);
+               if (bits & QW_U_SKIN)
+                       Con_Printf(" U_SKIN %i", s->skin);
+               if (bits & QW_U_EFFECTS)
+                       Con_Printf(" U_EFFECTS %i", qweffects);
+               if (bits & QW_U_ORIGIN1)
+                       Con_Printf(" U_ORIGIN1 %f", s->origin[0]);
+               if (bits & QW_U_ANGLE1)
+                       Con_Printf(" U_ANGLE1 %f", s->angles[0]);
+               if (bits & QW_U_ORIGIN2)
+                       Con_Printf(" U_ORIGIN2 %f", s->origin[1]);
+               if (bits & QW_U_ANGLE2)
+                       Con_Printf(" U_ANGLE2 %f", s->angles[1]);
+               if (bits & QW_U_ORIGIN3)
+                       Con_Printf(" U_ORIGIN3 %f", s->origin[2]);
+               if (bits & QW_U_ANGLE3)
+                       Con_Printf(" U_ANGLE3 %f", s->angles[2]);
+               if (bits & QW_U_SOLID)
+                       Con_Printf(" U_SOLID");
+               Con_Print("\n");
+       }
+}
+
+entityframeqw_database_t *EntityFrameQW_AllocDatabase(mempool_t *pool)
+{
+       entityframeqw_database_t *d;
+       d = (entityframeqw_database_t *)Mem_Alloc(pool, sizeof(*d));
+       return d;
+}
+
+void EntityFrameQW_FreeDatabase(entityframeqw_database_t *d)
+{
+       Mem_Free(d);
+}
+
+void EntityFrameQW_CL_ReadFrame(qboolean delta)
+{
+       qboolean invalid = false;
+       int number, oldsnapindex, newsnapindex, oldindex, newindex, oldnum, newnum;
+       entity_t *ent;
+       entityframeqw_database_t *d;
+       entityframeqw_snapshot_t *oldsnap, *newsnap;
+
+       if (!cl.entitydatabaseqw)
+               cl.entitydatabaseqw = EntityFrameQW_AllocDatabase(cl_mempool);
+       d = cl.entitydatabaseqw;
+
+       newsnapindex = cls.netcon->qw.incoming_sequence & QW_UPDATE_MASK;
+       newsnap = d->snapshot + newsnapindex;
+       memset(newsnap, 0, sizeof(*newsnap));
+       oldsnapindex = -1;
+       oldsnap = NULL;
+       if (delta)
+       {
+               number = MSG_ReadByte();
+               oldsnapindex = cl.qw_deltasequence[newsnapindex];
+               if ((number & QW_UPDATE_MASK) != (oldsnapindex & QW_UPDATE_MASK))
+                       Con_DPrintf("WARNING: from mismatch\n");
+               if (oldsnapindex != -1)
+               {
+                       if (cls.netcon->qw.outgoing_sequence - oldsnapindex >= QW_UPDATE_BACKUP-1)
+                       {
+                               Con_DPrintf("delta update too old\n");
+                               newsnap->invalid = invalid = true; // too old
+                               delta = false;
+                       }
+                       oldsnap = d->snapshot + (oldsnapindex & QW_UPDATE_MASK);
+               }
+               else
+                       delta = false;
+       }
+
+       // read the number of this frame to echo back in next input packet
+       cl.qw_validsequence = cls.netcon->qw.incoming_sequence;
+       if (invalid)
+               cl.qw_validsequence = 0;
+
+       // read entity numbers until we find a 0x0000
+       // (which would be an empty update on world entity, but is actually a terminator)
+       newsnap->num_entities = 0;
+       oldindex = 0;
+       for (;;)
+       {
+               int word = (unsigned short)MSG_ReadShort();
+               if (msg_badread)
+                       return; // just return, the main parser will print an error
+               newnum = word == 0 ? 512 : (word & 511);
+               oldnum = delta ? (oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number) : 9999;
+
+               // copy unmodified oldsnap entities
+               while (newnum > oldnum) // delta only
+               {
+                       if (developer_networkentities.integer >= 2)
+                               Con_Printf("copy %i\n", oldnum);
+                       // copy one of the old entities
+                       if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+                               Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+                       newsnap->entities[newsnap->num_entities] = oldsnap->entities[oldindex++];
+                       newsnap->num_entities++;
+                       oldnum = oldindex >= oldsnap->num_entities ? 9999 : oldsnap->entities[oldindex].number;
+               }
+
+               if (word == 0)
+                       break;
+
+               if (developer_networkentities.integer >= 2)
+               {
+                       if (word & QW_U_REMOVE)
+                               Con_Printf("remove %i\n", newnum);
+                       else if (newnum == oldnum)
+                               Con_Printf("delta %i\n", newnum);
+                       else
+                               Con_Printf("baseline %i\n", newnum);
+               }
+
+               if (word & QW_U_REMOVE)
+               {
+                       if (newnum != oldnum && !delta && !invalid)
+                       {
+                               cl.qw_validsequence = 0;
+                               Con_Printf("WARNING: U_REMOVE %i on full update\n", newnum);
+                       }
+               }
+               else
+               {
+                       if (newsnap->num_entities >= QW_MAX_PACKET_ENTITIES)
+                               Host_Error("EntityFrameQW_CL_ReadFrame: newsnap->num_entities == MAX_PACKETENTITIES");
+                       newsnap->entities[newsnap->num_entities] = (newnum == oldnum) ? oldsnap->entities[oldindex] : cl_entities[newnum].state_baseline;
+                       EntityStateQW_ReadEntityUpdate(newsnap->entities + newsnap->num_entities, word);
+                       newsnap->num_entities++;
+               }
+
+               if (newnum == oldnum)
+                       oldindex++;
+       }
+
+       // expand cl_num_entities to include every entity we've seen this game
+       newnum = newsnap->num_entities ? newsnap->entities[newsnap->num_entities - 1].number : 1;
+       if (cl_num_entities <= newnum)
+       {
+               cl_num_entities = newnum + 1;
+               if (cl_max_entities < newnum + 1)
+                       CL_ExpandEntities(newnum);
+       }
+
+       // now update the non-player entities from the snapshot states
+       number = cl.maxclients + 1;
+       for (newindex = 0;;newindex++)
+       {
+               newnum = newindex >= newsnap->num_entities ? cl_num_entities : newsnap->entities[newindex].number;
+               // kill any missing entities
+               for (;number < newnum;number++)
+               {
+                       if (cl_entities_active[number])
+                       {
+                               cl_entities_active[number] = false;
+                               cl_entities[number].state_current.active = false;
+                       }
+               }
+               if (number >= cl_num_entities)
+                       break;
+               // update the entity
+               ent = &cl_entities[number];
+               ent->state_previous = ent->state_current;
+               ent->state_current = newsnap->entities[newindex];
+               ent->state_current.time = cl.mtime[0];
+               CL_MoveLerpEntityStates(ent);
+               // the entity lives again...
+               cl_entities_active[number] = true;
+               number++;
+       }
+}