This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
#include "quakedef.h"
-cvar_t *cvar_vars;
-char *cvar_null_string = "";
+cvar_t *cvar_vars = NULL;
+cvar_t *cvar_hashtable[65536];
+char *cvar_null_string = "";
/*
============
Cvar_FindVar
============
*/
-cvar_t *Cvar_FindVar (char *var_name)
+cvar_t *Cvar_FindVar (const char *var_name)
{
- cvar_t *var;
-
- for (var=cvar_vars ; var ; var=var->next)
- if (!strcmp (var_name, var->name))
+ int hashindex;
+ cvar_t *var;
+
+ // use hash lookup to minimize search time
+ hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name));
+ for (var = cvar_hashtable[hashindex];var;var = var->nextonhashchain)
+ if (!strcasecmp (var_name, var->name))
return var;
return NULL;
}
+cvar_t *Cvar_FindVarAfter (const 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
============
*/
-float Cvar_VariableValue (char *var_name)
+float Cvar_VariableValue (const char *var_name)
{
- cvar_t *var;
-
+ cvar_t *var;
+
var = Cvar_FindVar (var_name);
if (!var)
return 0;
Cvar_VariableString
============
*/
-char *Cvar_VariableString (char *var_name)
+const char *Cvar_VariableString (const char *var_name)
{
cvar_t *var;
-
+
var = Cvar_FindVar (var_name);
if (!var)
return cvar_null_string;
return var->string;
}
+/*
+============
+Cvar_VariableDefString
+============
+*/
+const char *Cvar_VariableDefString (const char *var_name)
+{
+ cvar_t *var;
+
+ var = Cvar_FindVar (var_name);
+ if (!var)
+ return cvar_null_string;
+ return var->defstring;
+}
+
/*
============
Cvar_CompleteVariable
============
*/
-char *Cvar_CompleteVariable (char *partial)
+const char *Cvar_CompleteVariable (const char *partial)
{
cvar_t *cvar;
- int len;
-
+ size_t len;
+
len = strlen(partial);
-
+
if (!len)
return NULL;
-
+
// check functions
for (cvar=cvar_vars ; cvar ; cvar=cvar->next)
- if (!strncmp (partial,cvar->name, len))
+ if (!strncasecmp (partial,cvar->name, len))
return cvar->name;
return NULL;
}
+/*
+ CVar_CompleteCountPossible
+
+ New function for tab-completion system
+ Added by EvilTypeGuy
+ Thanks to Fett erich@heintz.com
+
+*/
+int Cvar_CompleteCountPossible (const char *partial)
+{
+ cvar_t *cvar;
+ size_t 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;
+}
+
+/*
+ CVar_CompleteBuildList
+
+ New function for tab-completion system
+ Added by EvilTypeGuy
+ Thanks to Fett erich@heintz.com
+ Thanks to taniwha
+
+*/
+const char **Cvar_CompleteBuildList (const char *partial)
+{
+ const cvar_t *cvar;
+ size_t len = 0;
+ size_t bpos = 0;
+ size_t sizeofbuf = (Cvar_CompleteCountPossible (partial) + 1) * sizeof (const char *);
+ const char **buf;
+
+ len = strlen(partial);
+ buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
+ // Loop through the alias list and print all matches
+ for (cvar = cvar_vars; cvar; cvar = cvar->next)
+ if (!strncasecmp(partial, cvar->name, len))
+ buf[bpos++] = cvar->name;
+
+ buf[bpos] = NULL;
+ return buf;
+}
+
+// written by LordHavoc
+void Cvar_CompleteCvarPrint (const char *partial)
+{
+ cvar_t *cvar;
+ size_t len = strlen(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);
+}
+
+
/*
============
Cvar_Set
============
*/
-void Cvar_Set (char *var_name, char *value)
+void Cvar_SetQuick_Internal (cvar_t *var, const 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);
- 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 = (char *)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 && sv.active)
+ SV_BroadcastPrintf("\"%s\" changed to \"%s\"\n", var->name, var->string);
+#if 0
+ // TODO: add infostring support to the server?
+ if ((var->flags & CVAR_SERVERINFO) && changed && sv.active)
{
+ InfoString_SetValue(svs.serverinfo, sizeof(svs.serverinfo), var->name, var->string);
if (sv.active)
- SV_BroadcastPrintf ("\"%s\" changed to \"%s\"\n", var->name, var->string);
+ {
+ MSG_WriteByte (&sv.reliable_datagram, svc_serverinfostring);
+ MSG_WriteString (&sv.reliable_datagram, var->name);
+ MSG_WriteString (&sv.reliable_datagram, var->string);
+ }
}
+#endif
+ if ((var->flags & CVAR_USERINFO) && cls.state != ca_dedicated)
+ CL_SetInfo(var->name, var->string, true, false, false, false);
+}
+
+void Cvar_SetQuick (cvar_t *var, const char *value)
+{
+ if (var == NULL)
+ {
+ Con_Print("Cvar_SetQuick: var == NULL\n");
+ return;
+ }
+
+ if (developer.integer >= 100)
+ Con_Printf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
+
+ Cvar_SetQuick_Internal(var, value);
+}
+
+void Cvar_Set (const char *var_name, const char *value)
+{
+ cvar_t *var;
+ var = Cvar_FindVar (var_name);
+ if (var == NULL)
+ {
+ Con_Printf("Cvar_Set: variable %s not found\n", var_name);
+ return;
+ }
+ Cvar_SetQuick(var, value);
}
/*
Cvar_SetValue
============
*/
-void Cvar_SetValue (char *var_name, float value)
+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_Set (var_name, val);
+ char val[MAX_INPUTLINE];
+
+ if ((float)((int)value) == value)
+ sprintf(val, "%i", (int)value);
+ else
+ sprintf(val, "%f", value);
+ Cvar_SetQuick(var, val);
}
+void Cvar_SetValue(const char *var_name, float value)
+{
+ char val[MAX_INPUTLINE];
+
+ if ((float)((int)value) == value)
+ sprintf(val, "%i", (int)value);
+ else
+ sprintf(val, "%f", value);
+ Cvar_Set(var_name, val);
+}
/*
============
*/
void Cvar_RegisterVariable (cvar_t *variable)
{
- char *oldstr;
-
+ int hashindex;
+ cvar_t *current, *next, *cvar;
+ char *oldstr;
+
+ if (developer.integer >= 100)
+ Con_Printf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
+
// first check to see if it has already been defined
- if (Cvar_FindVar (variable->name))
+ cvar = Cvar_FindVar (variable->name);
+ if (cvar)
{
- Con_Printf ("Can't register variable %s, already defined\n", variable->name);
+ 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);
+ // fixed variables replace allocated ones
+ // (because the engine directly accesses fixed variables)
+ // NOTE: this isn't actually used currently
+ // (all cvars are registered before config parsing)
+ variable->flags |= (cvar->flags & ~CVAR_ALLOCATED);
+ // cvar->string is now owned by variable instead
+ variable->string = cvar->string;
+ variable->defstring = cvar->defstring;
+ variable->value = atof (variable->string);
+ variable->integer = (int) variable->value;
+ // replace cvar with this one...
+ variable->next = cvar->next;
+ if (cvar_vars == cvar)
+ {
+ // head of the list is easy to change
+ cvar_vars = variable;
+ }
+ else
+ {
+ // otherwise find it somewhere in the list
+ for (current = cvar_vars;current->next != cvar;current = current->next)
+ ;
+ current->next = variable;
+ }
+
+ // get rid of old allocated cvar
+ // (but not cvar->string and cvar->defstring, because we kept those)
+ Z_Free(cvar->name);
+ Z_Free(cvar);
+ }
+ else
+ 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);
+ 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 = (char *)Z_Malloc (strlen(variable->string)+1);
strcpy (variable->string, oldstr);
+ variable->defstring = (char *)Z_Malloc (strlen(variable->string)+1);
+ strcpy (variable->defstring, oldstr);
variable->value = atof (variable->string);
-
+ variable->integer = (int) variable->value;
+
// link the variable in
- variable->next = cvar_vars;
- cvar_vars = variable;
+// alphanumerical order
+ for( current = NULL, next = cvar_vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
+ ;
+ if( current ) {
+ current->next = variable;
+ } else {
+ cvar_vars = 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));
+ variable->nextonhashchain = cvar_hashtable[hashindex];
+ cvar_hashtable[hashindex] = variable;
}
+/*
+============
+Cvar_Get
+
+Adds a newly allocated variable to the variable list or sets its value.
+============
+*/
+cvar_t *Cvar_Get (const char *name, const char *value, int flags)
+{
+ int hashindex;
+ cvar_t *current, *next, *cvar;
+
+ if (developer.integer >= 100)
+ Con_Printf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
+
+// first check to see if it has already been defined
+ cvar = Cvar_FindVar (name);
+ if (cvar)
+ {
+ cvar->flags |= flags;
+ Cvar_SetQuick_Internal (cvar, value);
+ // also set the default value (but only once)
+ if (~cvar->flags & CVAR_DEFAULTSET)
+ {
+ cvar->flags |= CVAR_DEFAULTSET;
+
+ Z_Free(cvar->defstring);
+ cvar->defstring = (char *)Z_Malloc(strlen(value) + 1);
+ strcpy(cvar->defstring, value);
+ }
+ return cvar;
+ }
+
+// check for overlap with a command
+ if (Cmd_Exists (name))
+ {
+ Con_Printf("Cvar_Get: %s is a command\n", name);
+ return NULL;
+ }
+
+// allocate a new cvar, cvar name, and cvar string
+// FIXME: these never get Z_Free'd
+ cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
+ cvar->flags = flags | CVAR_ALLOCATED | CVAR_DEFAULTSET;
+ cvar->name = (char *)Z_Malloc(strlen(name)+1);
+ strcpy(cvar->name, name);
+ cvar->string = (char *)Z_Malloc(strlen(value)+1);
+ strcpy(cvar->string, value);
+ cvar->defstring = (char *)Z_Malloc(strlen(value)+1);
+ strcpy(cvar->defstring, value);
+ cvar->value = atof (cvar->string);
+ cvar->integer = (int) cvar->value;
+ cvar->description = "custom cvar";
+
+// link the variable in
+// alphanumerical order
+ for( current = NULL, next = cvar_vars ; next && strcmp( next->name, cvar->name ) < 0 ; current = next, next = next->next )
+ ;
+ if( current )
+ current->next = cvar;
+ else
+ cvar_vars = cvar;
+ cvar->next = next;
+
+ // link to head of list in this hash table index
+ hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name));
+ cvar->nextonhashchain = cvar_hashtable[hashindex];
+ cvar_hashtable[hashindex] = cvar;
+
+ return cvar;
+}
+
+
/*
============
Cvar_Command
v = Cvar_FindVar (Cmd_Argv(0));
if (!v)
return false;
-
+
// perform a variable print or set
if (Cmd_Argc() == 1)
{
- Con_Printf ("\"%s\" is \"%s\"\n", v->name, v->string);
+ Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, v->string, v->defstring);
return true;
}
+ if (developer.integer >= 100)
+ Con_DPrint("Cvar_Command: ");
+
+ if (v->flags & CVAR_READONLY)
+ {
+ Con_Printf("%s is read-only\n", v->name);
+ return true;
+ }
Cvar_Set (v->name, Cmd_Argv(1));
+ if (developer.integer >= 100)
+ Con_DPrint("\n");
return true;
}
with the archive flag set to true.
============
*/
-void Cvar_WriteVariables (QFile *f)
+void Cvar_WriteVariables (qfile_t *f)
{
cvar_t *var;
-
+
for (var = cvar_vars ; var ; var = var->next)
- if (var->archive)
- Qprintf (f, "%s \"%s\"\n", var->name, var->string);
+ if (var->flags & CVAR_SAVE)
+ FS_Printf(f, "%s%s \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", var->name, var->string);
}
+
+// Added by EvilTypeGuy eviltypeguy@qeradiant.com
+// 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
+/*
+=========
+Cvar_List
+=========
+*/
+void Cvar_List_f (void)
+{
+ cvar_t *cvar;
+ const char *partial;
+ size_t len;
+ int count;
+
+ if (Cmd_Argc() > 1)
+ {
+ partial = Cmd_Argv (1);
+ len = strlen(partial);
+ }
+ else
+ {
+ partial = NULL;
+ len = 0;
+ }
+
+ count = 0;
+ for (cvar = cvar_vars; cvar; cvar = cvar->next)
+ {
+ if (partial && strncasecmp (partial,cvar->name,len))
+ continue;
+
+ Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
+ count++;
+ }
+
+ if (partial)
+ Con_Printf("%i cvar(s) beginning with \"%s\"\n", count, partial);
+ else
+ Con_Printf("%i cvar(s)\n", count);
+}
+// 2000-01-09 CvarList command by Maddes
+
+void Cvar_Set_f (void)
+{
+ cvar_t *cvar;
+
+ // make sure it's the right number of parameters
+ if (Cmd_Argc() < 3)
+ {
+ Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value>\n");
+ return;
+ }
+
+ // check if it's read-only
+ cvar = Cvar_FindVar(Cmd_Argv(1));
+ if (cvar && cvar->flags & CVAR_READONLY)
+ {
+ Con_Printf("Set: %s is read-only\n", cvar->name);
+ return;
+ }
+
+ Con_DPrint("Set: ");
+
+ // all looks ok, create/modify the cvar
+ Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), 0);
+}
+
+void Cvar_SetA_f (void)
+{
+ cvar_t *cvar;
+
+ // make sure it's the right number of parameters
+ if (Cmd_Argc() < 3)
+ {
+ Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value>\n");
+ return;
+ }
+
+ // check if it's read-only
+ cvar = Cvar_FindVar(Cmd_Argv(1));
+ if (cvar && cvar->flags & CVAR_READONLY)
+ {
+ Con_Printf("SetA: %s is read-only\n", cvar->name);
+ return;
+ }
+
+ Con_DPrint("SetA: ");
+
+ // all looks ok, create/modify the cvar
+ Cvar_Get(Cmd_Argv(1), Cmd_Argv(2), CVAR_SAVE);
+}
+
+
projects / xonotic / darkplaces.git / blobdiff