diff options
Diffstat (limited to 'QW/client/cvar.c')
| -rw-r--r-- | QW/client/cvar.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/QW/client/cvar.c b/QW/client/cvar.c new file mode 100644 index 0000000..99a9821 --- /dev/null +++ b/QW/client/cvar.c @@ -0,0 +1,249 @@ +/* +Copyright (C) 1996-1997 Id Software, Inc. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +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. + +See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ +// cvar.c -- dynamic variable tracking + +#ifdef SERVERONLY +#include "qwsvdef.h" +#else +#include "quakedef.h" +#endif + +cvar_t *cvar_vars; +char *cvar_null_string = ""; + +/* +============ +Cvar_FindVar +============ +*/ +cvar_t *Cvar_FindVar (char *var_name) +{ + cvar_t *var; + + for (var=cvar_vars ; var ; var=var->next) + if (!Q_strcmp (var_name, var->name)) + return var; + + return NULL; +} + +/* +============ +Cvar_VariableValue +============ +*/ +float Cvar_VariableValue (char *var_name) +{ + cvar_t *var; + + var = Cvar_FindVar (var_name); + if (!var) + return 0; + return Q_atof (var->string); +} + + +/* +============ +Cvar_VariableString +============ +*/ +char *Cvar_VariableString (char *var_name) +{ + cvar_t *var; + + var = Cvar_FindVar (var_name); + if (!var) + return cvar_null_string; + return var->string; +} + + +/* +============ +Cvar_CompleteVariable +============ +*/ +char *Cvar_CompleteVariable (char *partial) +{ + cvar_t *cvar; + int len; + + len = Q_strlen(partial); + + if (!len) + return NULL; + + // check exact match + for (cvar=cvar_vars ; cvar ; cvar=cvar->next) + if (!strcmp (partial,cvar->name)) + return cvar->name; + + // check partial match + for (cvar=cvar_vars ; cvar ; cvar=cvar->next) + if (!Q_strncmp (partial,cvar->name, len)) + return cvar->name; + + return NULL; +} + + +#ifdef SERVERONLY +void SV_SendServerInfoChange(char *key, char *value); +#endif + +/* +============ +Cvar_Set +============ +*/ +void Cvar_Set (char *var_name, char *value) +{ + cvar_t *var; + + 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; + } + +#ifdef SERVERONLY + if (var->info) + { + Info_SetValueForKey (svs.info, var_name, value, MAX_SERVERINFO_STRING); + SV_SendServerInfoChange(var_name, value); +// SV_BroadcastCommand ("fullserverinfo \"%s\"\n", svs.info); + } +#else + if (var->info) + { + Info_SetValueForKey (cls.userinfo, var_name, value, MAX_INFO_STRING); + if (cls.state >= ca_connected) + { + MSG_WriteByte (&cls.netchan.message, clc_stringcmd); + SZ_Print (&cls.netchan.message, va("setinfo \"%s\" \"%s\"\n", var_name, value)); + } + } +#endif + + Z_Free (var->string); // free the old value string + + var->string = Z_Malloc (Q_strlen(value)+1); + Q_strcpy (var->string, value); + var->value = Q_atof (var->string); +} + +/* +============ +Cvar_SetValue +============ +*/ +void Cvar_SetValue (char *var_name, float value) +{ + char val[32]; + + sprintf (val, "%f",value); + Cvar_Set (var_name, val); +} + + +/* +============ +Cvar_RegisterVariable + +Adds a freestanding variable to the variable list. +============ +*/ +void Cvar_RegisterVariable (cvar_t *variable) +{ + char value[512]; + +// first check to see if it has allready been defined + if (Cvar_FindVar (variable->name)) + { + Con_Printf ("Can't register variable %s, allready 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; + } + +// link the variable in + variable->next = cvar_vars; + cvar_vars = variable; + +// copy the value off, because future sets will Z_Free it + strcpy (value, variable->string); + variable->string = Z_Malloc (1); + +// set it through the function to be consistant + Cvar_Set (variable->name, value); +} + +/* +============ +Cvar_Command + +Handles variable inspection and changing from the console +============ +*/ +qboolean Cvar_Command (void) +{ + cvar_t *v; + +// check variables + 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); + return true; + } + + Cvar_Set (v->name, Cmd_Argv(1)); + return true; +} + + +/* +============ +Cvar_WriteVariables + +Writes lines containing "set variable value" for all variables +with the archive flag set to true. +============ +*/ +void Cvar_WriteVariables (FILE *f) +{ + cvar_t *var; + + for (var = cvar_vars ; var ; var = var->next) + if (var->archive) + fprintf (f, "%s \"%s\"\n", var->name, var->string); +} + |