]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cvar.c
autocvars: update to current value after loading a savegame, to always fulfill the...
[xonotic/darkplaces.git] / cvar.c
diff --git a/cvar.c b/cvar.c
index b9ba7dd60eece5adab52a172feff80a39e799765..c6f69360825f07765f71b485561f40370f17ae09 100644 (file)
--- a/cvar.c
+++ b/cvar.c
@@ -24,7 +24,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 char *cvar_dummy_description = "custom cvar";
 
 cvar_t *cvar_vars = NULL;
-cvar_t *cvar_hashtable[65536];
+cvar_t *cvar_hashtable[CVAR_HASHSIZE];
 char *cvar_null_string = "";
 
 /*
@@ -38,7 +38,7 @@ cvar_t *Cvar_FindVar (const char *var_name)
        cvar_t *var;
 
        // use hash lookup to minimize search time
-       hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name));
+       hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
        for (var = cvar_hashtable[hashindex];var;var = var->nextonhashchain)
                if (!strcmp (var_name, var->name))
                        return var;
@@ -70,6 +70,36 @@ cvar_t *Cvar_FindVarAfter (const char *prev_var_name, int neededflags)
        return var;
 }
 
+cvar_t *Cvar_FindVarLink (const char *var_name, cvar_t **parent, cvar_t ***link, cvar_t **prev_alpha)
+{
+       int hashindex;
+       cvar_t *var;
+
+       // use hash lookup to minimize search time
+       hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name));
+       if(parent) *parent = NULL;
+       if(prev_alpha) *prev_alpha = NULL;
+       if(link) *link = &cvar_hashtable[hashindex];
+       for (var = cvar_hashtable[hashindex];var;var = var->nextonhashchain)
+       {
+               if (!strcmp (var_name, var->name))
+               {
+                       if(!prev_alpha || var == cvar_vars)
+                               return var;
+
+                       *prev_alpha = cvar_vars;
+                       // if prev_alpha happens to become NULL then there has been some inconsistency elsewhere
+                       // already - should I still insert '*prev_alpha &&' in the loop?
+                       while((*prev_alpha)->next != var)
+                               *prev_alpha = (*prev_alpha)->next;
+                       return var;
+               }
+               if(parent) *parent = var;
+       }
+
+       return NULL;
+}
+
 /*
 ============
 Cvar_VariableValue
@@ -220,9 +250,58 @@ void Cvar_CompleteCvarPrint (const char *partial)
        // Loop through the command list and print all matches
        for (cvar = cvar_vars; cvar; cvar = cvar->next)
                if (!strncasecmp(partial, cvar->name, len))
-                       Con_Printf ("%c3%s%s : \"%s\" (\"%s\") : %s\n", STRING_COLOR_TAG, cvar->name, STRING_COLOR_DEFAULT_STR, cvar->string, cvar->defstring, cvar->description);
+                       Con_Printf ("^3%s^7 is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
 }
 
+// we assume that prog is already set to the target progs
+static void Cvar_UpdateAutoCvar(cvar_t *var)
+{
+       int i;
+       if(!prog)
+               Host_Error("Cvar_UpdateAutoCvar: no prog set");
+       i = PRVM_GetProgNr();
+       if(var->globaldefindex_progid[i] == prog->id)
+       {
+               // MUST BE SYNCED WITH prvm_edict.c PRVM_LoadProgs
+               int j;
+               const char *s;
+               prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[var->globaldefindex[i]].ofs);
+               switch(prog->globaldefs[var->globaldefindex[i]].type & ~DEF_SAVEGLOBAL)
+               {
+                       case ev_float:
+                               val->_float = var->value;
+                               break;
+                       case ev_vector:
+                               s = var->string;
+                               VectorClear(val->vector);
+                               for (j = 0;j < 3;j++)
+                               {
+                                       while (*s && ISWHITESPACE(*s))
+                                               s++;
+                                       if (!*s)
+                                               break;
+                                       val->vector[j] = atof(s);
+                                       while (!ISWHITESPACE(*s))
+                                               s++;
+                                       if (!*s)
+                                               break;
+                               }
+                               break;
+                       case ev_string:
+                               PRVM_ChangeEngineString(var->globaldefindex_stringno[i], var->string);
+                               val->string = var->globaldefindex_stringno[i];
+                               break;
+               }
+       }
+}
+
+// called after loading a savegame
+void Cvar_UpdateAllAutoCvars(void)
+{
+       cvar_t *var;
+       for (var = cvar_vars ; var ; var = var->next)
+               Cvar_UpdateAutoCvar(var);
+}
 
 /*
 ============
@@ -233,8 +312,10 @@ void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
 {
        qboolean changed;
        size_t valuelen;
+       prvm_prog_t *tmpprog;
+       int i;
 
-       changed = strcmp(var->string, value);
+       changed = strcmp(var->string, value) != 0;
        // LordHavoc: don't reallocate when there is no change
        if (!changed)
                return;
@@ -299,10 +380,23 @@ void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
                        // whenever rcon_secure is changed to 0, clear rcon_password for
                        // security reasons (prevents a send-rcon-password-as-plaintext
                        // attack based on NQ protocol session takeover and svc_stufftext)
-                       if(!var->integer)
+                       if(var->integer <= 0)
                                Cvar_Set("rcon_password", "");
                }
+               else if (!strcmp(var->name, "net_slist_favorites"))
+                       NetConn_UpdateFavorites();
        }
+
+       tmpprog = prog;
+       for(i = 0; i < PRVM_MAXPROGS; ++i)
+       {
+               if(PRVM_ProgLoaded(i))
+               {
+                       PRVM_SetProg(i);
+                       Cvar_UpdateAutoCvar(var);
+               }
+       }
+       prog = tmpprog;
 }
 
 void Cvar_SetQuick (cvar_t *var, const char *value)
@@ -313,8 +407,8 @@ void Cvar_SetQuick (cvar_t *var, const char *value)
                return;
        }
 
-       if (developer.integer >= 100)
-               Con_Printf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
+       if (developer_extra.integer)
+               Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
 
        Cvar_SetQuick_Internal(var, value);
 }
@@ -372,8 +466,8 @@ void Cvar_RegisterVariable (cvar_t *variable)
        char *oldstr;
        size_t alloclen;
 
-       if (developer.integer >= 100)
-               Con_Printf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
+       if (developer_extra.integer)
+               Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
 
 // first check to see if it has already been defined
        cvar = Cvar_FindVar (variable->name);
@@ -381,8 +475,8 @@ void Cvar_RegisterVariable (cvar_t *variable)
        {
                if (cvar->flags & CVAR_ALLOCATED)
                {
-                       if (developer.integer >= 100)
-                               Con_Printf("...  replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
+                       if (developer_extra.integer)
+                               Con_DPrintf("...  replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
                        // fixed variables replace allocated ones
                        // (because the engine directly accesses fixed variables)
                        // NOTE: this isn't actually used currently
@@ -414,7 +508,7 @@ void Cvar_RegisterVariable (cvar_t *variable)
                        Z_Free(cvar);
                }
                else
-                       Con_Printf("Can't register variable %s, already defined\n", variable->name);
+                       Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
                return;
        }
 
@@ -447,7 +541,7 @@ void Cvar_RegisterVariable (cvar_t *variable)
        variable->next = next;
 
        // link to head of list in this hash table index
-       hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name));
+       hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
        variable->nextonhashchain = cvar_hashtable[hashindex];
        cvar_hashtable[hashindex] = variable;
 }
@@ -465,8 +559,8 @@ cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *ne
        cvar_t *current, *next, *cvar;
        size_t alloclen;
 
-       if (developer.integer >= 100)
-               Con_Printf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
+       if (developer_extra.integer)
+               Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
 
 // first check to see if it has already been defined
        cvar = Cvar_FindVar (name);
@@ -491,6 +585,13 @@ cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *ne
                return cvar;
        }
 
+// check for pure evil
+       if (!*name)
+       {
+               Con_Printf("Cvar_Get: invalid variable name\n");
+               return NULL;
+       }
+
 // check for overlap with a command
        if (Cmd_Exists (name))
        {
@@ -534,7 +635,7 @@ cvar_t *Cvar_Get (const char *name, const char *value, int flags, const char *ne
        cvar->next = next;
 
        // link to head of list in this hash table index
-       hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name));
+       hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name)) % CVAR_HASHSIZE;
        cvar->nextonhashchain = cvar_hashtable[hashindex];
        cvar_hashtable[hashindex] = cvar;
 
@@ -561,11 +662,11 @@ qboolean  Cvar_Command (void)
 // perform a variable print or set
        if (Cmd_Argc() == 1)
        {
-               Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, v->string, v->defstring);
+               Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, ((v->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : v->string), v->defstring);
                return true;
        }
 
-       if (developer.integer >= 100)
+       if (developer_extra.integer)
                Con_DPrint("Cvar_Command: ");
 
        if (v->flags & CVAR_READONLY)
@@ -574,7 +675,7 @@ qboolean    Cvar_Command (void)
                return true;
        }
        Cvar_Set (v->name, Cmd_Argv(1));
-       if (developer.integer >= 100)
+       if (developer_extra.integer)
                Con_DPrint("\n");
        return true;
 }
@@ -615,7 +716,8 @@ void Cvar_ResetToDefaults_All_f (void)
        cvar_t *var;
        // restore the default values of all cvars
        for (var = cvar_vars ; var ; var = var->next)
-               Cvar_SetQuick(var, var->defstring);
+               if((var->flags & CVAR_NORESETTODEFAULTS) == 0)
+                       Cvar_SetQuick(var, var->defstring);
 }
 
 
@@ -624,7 +726,7 @@ void Cvar_ResetToDefaults_NoSaveOnly_f (void)
        cvar_t *var;
        // restore the default values of all cvars
        for (var = cvar_vars ; var ; var = var->next)
-               if (!(var->flags & CVAR_SAVE))
+               if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == 0)
                        Cvar_SetQuick(var, var->defstring);
 }
 
@@ -634,7 +736,7 @@ void Cvar_ResetToDefaults_SaveOnly_f (void)
        cvar_t *var;
        // restore the default values of all cvars
        for (var = cvar_vars ; var ; var = var->next)
-               if (var->flags & CVAR_SAVE)
+               if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == CVAR_SAVE)
                        Cvar_SetQuick(var, var->defstring);
 }
 
@@ -650,11 +752,16 @@ with the archive flag set to true.
 void Cvar_WriteVariables (qfile_t *f)
 {
        cvar_t  *var;
+       char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
 
        // don't save cvars that match their default value
        for (var = cvar_vars ; var ; var = var->next)
                if ((var->flags & CVAR_SAVE) && (strcmp(var->string, var->defstring) || (var->flags & CVAR_ALLOCATED)))
-                       FS_Printf(f, "%s%s \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", var->name, var->string);
+               {
+                       Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$");
+                       Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$");
+                       FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", buf1, buf2);
+               }
 }
 
 
@@ -692,16 +799,16 @@ void Cvar_List_f (void)
                if (len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp (partial,cvar->name,len)))
                        continue;
 
-               Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
+               Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, ((cvar->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring, cvar->description);
                count++;
        }
 
        if (len)
        {
                if(ispattern)
-                       Con_Printf("%i cvar(s) matching \"%s\"\n", count, partial);
+                       Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
                else
-                       Con_Printf("%i cvar(s) beginning with \"%s\"\n", count, partial);
+                       Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", partial);
        }
        else
                Con_Printf("%i cvar(s)\n", count);
@@ -727,7 +834,7 @@ void Cvar_Set_f (void)
                return;
        }
 
-       if (developer.integer >= 100)
+       if (developer_extra.integer)
                Con_DPrint("Set: ");
 
        // all looks ok, create/modify the cvar
@@ -753,11 +860,100 @@ void Cvar_SetA_f (void)
                return;
        }
 
-       if (developer.integer >= 100)
+       if (developer_extra.integer)
                Con_DPrint("SetA: ");
 
        // all looks ok, create/modify the cvar
        Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), CVAR_SAVE, Cmd_Argc() > 3 ? Cmd_Argv(3) : NULL);
 }
 
+void Cvar_Del_f (void)
+{
+       int i;
+       cvar_t *cvar, *parent, **link, *prev;
 
+       if(Cmd_Argc() < 2)
+       {
+               Con_Printf("Del: wrong number of parameters, useage: unset <variablename1> [<variablename2> ...]\n");
+               return;
+       }
+       for(i = 1; i < Cmd_Argc(); ++i)
+       {
+               cvar = Cvar_FindVarLink(Cmd_Argv(i), &parent, &link, &prev);
+               if(!cvar)
+               {
+                       Con_Printf("Del: %s is not defined\n", Cmd_Argv(i));
+                       continue;
+               }
+               if(cvar->flags & CVAR_READONLY)
+               {
+                       Con_Printf("Del: %s is read-only\n", cvar->name);
+                       continue;
+               }
+               if(!(cvar->flags & CVAR_ALLOCATED))
+               {
+                       Con_Printf("Del: %s is static and cannot be deleted\n", cvar->name);
+                       continue;
+               }
+               if(cvar == cvar_vars)
+               {
+                       cvar_vars = cvar->next;
+               }
+               else
+               {
+                       // in this case, prev must be set, otherwise there has been some inconsistensy
+                       // elsewhere already... should I still check for prev != NULL?
+                       prev->next = cvar->next;
+               }
+
+               if(parent)
+                       parent->nextonhashchain = cvar->nextonhashchain;
+               else if(link)
+                       *link = cvar->nextonhashchain;
+
+               if(cvar->description != cvar_dummy_description)
+                       Z_Free(cvar->description);
+
+               Z_Free(cvar->name);
+               Z_Free(cvar->string);
+               Z_Free(cvar->defstring);
+               Z_Free(cvar);
+       }
+}
+
+#ifdef FILLALLCVARSWITHRUBBISH
+void Cvar_FillAll_f()
+{
+       char *buf, *p, *q;
+       int n, i;
+       cvar_t *var;
+       qboolean verify;
+       if(Cmd_Argc() != 2)
+       {
+               Con_Printf("Usage: %s length to plant rubbish\n", Cmd_Argv(0));
+               Con_Printf("Usage: %s -length to verify that the rubbish is still there\n", Cmd_Argv(0));
+               return;
+       }
+       n = atoi(Cmd_Argv(1));
+       verify = (n < 0);
+       if(verify)
+               n = -n;
+       buf = Z_Malloc(n + 1);
+       buf[n] = 0;
+       for(var = cvar_vars; var; var = var->next)
+       {
+               for(i = 0, p = buf, q = var->name; i < n; ++i)
+               {
+                       *p++ = *q++;
+                       if(!*q)
+                               q = var->name;
+               }
+               if(verify && strcmp(var->string, buf))
+               {
+                       Con_Printf("\n%s does not contain the right rubbish, either this is the first run or a possible overrun was detected, or something changed it intentionally; it DOES contain: %s\n", var->name, var->string);
+               }
+               Cvar_SetQuick(var, buf);
+       }
+       Z_Free(buf);
+}
+#endif /* FILLALLCVARSWITHRUBBISH */