+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;
+ }
+}
+