cvar_vars is no longer known by files other than cvar.c, this meant adding a Cvar_Fin...

[xonotic/darkplaces.git] / cvar.c

diff --git a/cvar.c b/cvar.c
index 318adc4502893c2e5136b4487750c8017d5a8c7a..3349986b4726c146598b01b90d040726542957f5 100644 (file)
--- a/cvar.c
+++ b/cvar.c
@@ -21,7 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-cvar_t *cvar_vars;
+cvar_t *cvar_vars = NULL;
 char   *cvar_null_string = "";
 
 /*
@@ -31,15 +31,39 @@ Cvar_FindVar
 */
 cvar_t *Cvar_FindVar (char *var_name)
 {
-       cvar_t  *var;
-       
-       for (var=cvar_vars ; var ; var=var->next)
+       cvar_t *var;
+
+       for (var = cvar_vars;var;var = var->next)
                if (!strcmp (var_name, var->name))
                        return var;
 
        return NULL;
 }
 
+cvar_t *Cvar_FindVarAfter (char *prev_var_name, int neededflags)
+{
+       cvar_t *var;
+
+       if (*prev_var_name)
+       {
+               var = Cvar_FindVar (prev_var_name);
+               if (!var)
+                       return NULL;
+               var = var->next;
+       }
+       else
+               var = cvar_vars;
+
+       // search for the next cvar matching the needed flags
+       while (var)
+       {
+               if ((var->flags & neededflags) || !neededflags)
+                       break;
+               var = var->next;
+       }
+       return var;
+}
+
 /*
 ============
 Cvar_VariableValue
@@ -48,7 +72,7 @@ Cvar_VariableValue
 float  Cvar_VariableValue (char *var_name)
 {
        cvar_t  *var;
-       
+
        var = Cvar_FindVar (var_name);
        if (!var)
                return 0;
@@ -64,7 +88,7 @@ Cvar_VariableString
 char *Cvar_VariableString (char *var_name)
 {
        cvar_t *var;
-       
+
        var = Cvar_FindVar (var_name);
        if (!var)
                return cvar_null_string;
@@ -81,12 +105,12 @@ char *Cvar_CompleteVariable (char *partial)
 {
        cvar_t          *cvar;
        int                     len;
-       
+
        len = strlen(partial);
-       
+
        if (!len)
                return NULL;
-               
+
 // check functions
        for (cvar=cvar_vars ; cvar ; cvar=cvar->next)
                if (!strncmp (partial,cvar->name, len))
@@ -110,18 +134,18 @@ Cvar_CompleteCountPossible (char *partial)
        cvar_t  *cvar;
        int             len;
        int             h;
-       
+
        h = 0;
        len = strlen(partial);
-       
+
        if (!len)
                return  0;
-       
+
        // Loop through the cvars and count all possible matches
        for (cvar = cvar_vars; cvar; cvar = cvar->next)
                if (!strncasecmp(partial, cvar->name, len))
                        h++;
-       
+
        return h;
 }
 
@@ -144,7 +168,7 @@ Cvar_CompleteBuildList (char *partial)
        char    **buf;
 
        len = strlen(partial);
-       buf = malloc(sizeofbuf + sizeof (char *));
+       buf = Mem_Alloc(tempmempool, sizeofbuf + sizeof (char *));
        // Loop through the alias list and print all matches
        for (cvar = cvar_vars; cvar; cvar = cvar->next)
                if (!strncasecmp(partial, cvar->name, len))
@@ -152,54 +176,82 @@ Cvar_CompleteBuildList (char *partial)
 
        buf[bpos] = NULL;
        return buf;
-}      
+}
 
 /*
 ============
 Cvar_Set
 ============
 */
-void Cvar_Set (char *var_name, char *value)
+void Cvar_SetQuick (cvar_t *var, char *value)
 {
-       cvar_t  *var;
        qboolean changed;
-       
-       var = Cvar_FindVar (var_name);
-       if (!var)
-       {       // there is an error in C code if this happens
-               Con_Printf ("Cvar_Set: variable %s not found\n", var_name);
+
+       if (var == NULL)
+       {
+               Con_Printf("Cvar_SetQuick: var == NULL\n");
                return;
        }
 
        changed = strcmp(var->string, value);
-       
-       Z_Free (var->string);   // free the old value string
-       
-       var->string = Z_Malloc (strlen(value)+1);
+       // LordHavoc: don't reallocate when there is no change
+       if (!changed)
+               return;
+
+       // LordHavoc: don't reallocate when the buffer is the same size
+       if (!var->string || strlen(var->string) != strlen(value))
+       {
+               Z_Free (var->string);   // free the old value string
+
+               var->string = Z_Malloc (strlen(value)+1);
+       }
        strcpy (var->string, value);
        var->value = atof (var->string);
-       if (var->server && changed)
+       var->integer = (int) var->value;
+       if ((var->flags & CVAR_NOTIFY) && changed)
        {
                if (sv.active)
                        SV_BroadcastPrintf ("\"%s\" changed to \"%s\"\n", var->name, var->string);
        }
 }
 
+void Cvar_Set (char *var_name, char *value)
+{
+       cvar_t *var;
+       var = Cvar_FindVar (var_name);
+       if (var == NULL)
+       {
+               // there is an error in C code if this happens
+               Con_Printf ("Cvar_Set: variable %s not found\n", var_name);
+               return;
+       }
+
+       Cvar_SetQuick(var, value);
+}
+
 /*
 ============
 Cvar_SetValue
 ============
 */
+void Cvar_SetValueQuick (cvar_t *var, float value)
+{
+       char    val[32];
+
+       // LordHavoc: changed from %f to %g to use shortest representation
+       sprintf (val, "%g",value);
+       Cvar_SetQuick (var, val);
+}
+
 void Cvar_SetValue (char *var_name, float value)
 {
        char    val[32];
-       
+
        // LordHavoc: changed from %f to %g to use shortest representation
        sprintf (val, "%g",value);
        Cvar_Set (var_name, val);
 }
 
-
 /*
 ============
 Cvar_RegisterVariable
@@ -210,27 +262,28 @@ Adds a freestanding variable to the variable list.
 void Cvar_RegisterVariable (cvar_t *variable)
 {
        char    *oldstr;
-       
+
 // first check to see if it has already been defined
        if (Cvar_FindVar (variable->name))
        {
                Con_Printf ("Can't register variable %s, already defined\n", variable->name);
                return;
        }
-       
+
 // check for overlap with a command
        if (Cmd_Exists (variable->name))
        {
                Con_Printf ("Cvar_RegisterVariable: %s is a command\n", variable->name);
                return;
        }
-               
+
 // copy the value off, because future sets will Z_Free it
        oldstr = variable->string;
-       variable->string = Z_Malloc (strlen(variable->string)+1);       
+       variable->string = Z_Malloc (strlen(variable->string)+1);
        strcpy (variable->string, oldstr);
        variable->value = atof (variable->string);
-       
+       variable->integer = (int) variable->value;
+
 // link the variable in
        variable->next = cvar_vars;
        cvar_vars = variable;
@@ -251,7 +304,7 @@ qboolean    Cvar_Command (void)
        v = Cvar_FindVar (Cmd_Argv(0));
        if (!v)
                return false;
-               
+
 // perform a variable print or set
        if (Cmd_Argc() == 1)
        {
@@ -275,9 +328,9 @@ with the archive flag set to true.
 void Cvar_WriteVariables (QFile *f)
 {
        cvar_t  *var;
-       
+
        for (var = cvar_vars ; var ; var = var->next)
-               if (var->archive)
+               if (var->flags & CVAR_SAVE)
                        Qprintf (f, "%s \"%s\"\n", var->name, var->string);
 }
 
@@ -319,3 +372,4 @@ void Cvar_List_f (void)
        Con_Printf ("\n");
 }
 // 2000-01-09 CvarList command by Maddes
+