+void Cvar_SaveInitState(void)
+{
+ cvar_t *c;
+ for (c = cvar_vars;c;c = c->next)
+ {
+ c->initstate = true;
+ c->initflags = c->flags;
+ c->initdefstring = Mem_strdup(zonemempool, c->defstring);
+ c->initstring = Mem_strdup(zonemempool, c->string);
+ c->initvalue = c->value;
+ c->initinteger = c->integer;
+ VectorCopy(c->vector, c->initvector);
+ }
+}
+
+void Cvar_RestoreInitState(void)
+{
+ int hashindex;
+ cvar_t *c, **cp;
+ cvar_t *c2, **cp2;
+ for (cp = &cvar_vars;(c = *cp);)
+ {
+ if (c->initstate)
+ {
+ // restore this cvar, it existed at init
+ if (((c->flags ^ c->initflags) & CVAR_MAXFLAGSVAL)
+ || strcmp(c->defstring ? c->defstring : "", c->initdefstring ? c->initdefstring : "")
+ || strcmp(c->string ? c->string : "", c->initstring ? c->initstring : ""))
+ {
+ Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
+ if (c->defstring)
+ Z_Free((char *)c->defstring);
+ c->defstring = Mem_strdup(zonemempool, c->initdefstring);
+ if (c->string)
+ Z_Free((char *)c->string);
+ c->string = Mem_strdup(zonemempool, c->initstring);
+ }
+ c->flags = c->initflags;
+ c->value = c->initvalue;
+ c->integer = c->initinteger;
+ VectorCopy(c->initvector, c->vector);
+ cp = &c->next;
+ }
+ else
+ {
+ if (!(c->flags & CVAR_ALLOCATED))
+ {
+ Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
+ // In this case, at least reset it to the default.
+ if((c->flags & CVAR_NORESETTODEFAULTS) == 0)
+ Cvar_SetQuick(c, c->defstring);
+ cp = &c->next;
+ continue;
+ }
+ if (Cvar_IsAutoCvar(c))
+ {
+ Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it is an autocvar used by running progs!\n", c->name);
+ // In this case, at least reset it to the default.
+ if((c->flags & CVAR_NORESETTODEFAULTS) == 0)
+ Cvar_SetQuick(c, c->defstring);
+ cp = &c->next;
+ continue;
+ }
+ // remove this cvar, it did not exist at init
+ Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
+ // unlink struct from hash
+ hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
+ for (cp2 = &cvar_hashtable[hashindex];(c2 = *cp2);)
+ {
+ if (c2 == c)
+ {
+ *cp2 = c2->nextonhashchain;
+ break;
+ }
+ else
+ cp2 = &c2->nextonhashchain;
+ }
+ // unlink struct from main list
+ *cp = c->next;
+ // free strings
+ if (c->defstring)
+ Z_Free((char *)c->defstring);
+ if (c->string)
+ Z_Free((char *)c->string);
+ if (c->description && c->description != cvar_dummy_description)
+ Z_Free((char *)c->description);
+ // free struct
+ Z_Free(c);
+ }
+ }
+}