ref: aff29f25c0e72554e533162fc4d2ba69a8009fdb
dir: /QW/client/cvar.c/
/* 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); }