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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@316 fc73d0e0-1445-4013-8a0c-d673dee63da5
654 lines
14 KiB
C
654 lines
14 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// cvar.c -- dynamic variable tracking
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#ifdef SERVERONLY
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#include "qwsvdef.h"
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#else
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#include "quakedef.h"
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#endif
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cvar_group_t *cvar_groups;
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//cvar_t *cvar_vars;
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char *cvar_null_string = "";
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/*
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============
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Cvar_FindVar
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============
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*/
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cvar_t *Cvar_FindVar (char *var_name)
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{
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cvar_group_t *grp;
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cvar_t *var;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (var=grp->cvars ; var ; var=var->next)
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if (!Q_strcasecmp (var_name, var->name))
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return var;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (var=grp->cvars ; var ; var=var->next)
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if (var->name2 && !Q_strcasecmp (var_name, var->name2))
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return var;
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return NULL;
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}
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cvar_group_t *Cvar_FindGroup (char *group_name)
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{
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cvar_group_t *grp;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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if (!Q_strcasecmp (group_name, grp->name))
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return grp;
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return NULL;
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}
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cvar_group_t *Cvar_GetGroup(char *gname)
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{
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cvar_group_t *g;
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if (!gname)
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gname = "Miscilaneous vars";
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g = Cvar_FindGroup(gname);
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if (g)
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return g;
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g = Z_Malloc(sizeof(cvar_group_t));
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g->name = gname;
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g->next = NULL;
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g->next = cvar_groups;
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cvar_groups = g;
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return g;
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}
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//lists commands, also prints restriction level
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void Cvar_List_f (void)
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{
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cvar_group_t *grp;
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cvar_t *cmd;
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int num=0;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (cmd=grp->cvars ; cmd ; cmd=cmd->next)
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{
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if ((cmd->restriction?cmd->restriction:rcon_level.value) > Cmd_ExecLevel)
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continue;
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if (!num)
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Con_TPrintf(TL_CVARLISTHEADER);
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Con_Printf("(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.value), cmd->name);
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num++;
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}
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if (num)
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Con_Printf("\n");
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}
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/*
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============
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Cvar_VariableValue
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============
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*/
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float Cvar_VariableValue (char *var_name)
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{
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cvar_t *var;
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var = Cvar_FindVar (var_name);
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if (!var)
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return 0;
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return Q_atof (var->string);
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}
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/*
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============
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Cvar_VariableString
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============
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*/
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char *Cvar_VariableString (char *var_name)
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{
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cvar_t *var;
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var = Cvar_FindVar (var_name);
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if (!var)
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return cvar_null_string;
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return var->string;
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}
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/*
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============
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Cvar_CompleteVariable
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============
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*/
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/* moved to cmd_compleatevariable
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char *Cvar_CompleteVariable (char *partial)
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{
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cvar_group_t *grp;
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cvar_t *cvar;
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int len;
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len = Q_strlen(partial);
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if (!len)
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return NULL;
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// check exact match
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (cvar=grp->cvars ; cvar ; cvar=cvar->next)
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if (!strcmp (partial,cvar->name))
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return cvar->name;
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// check partial match
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (cvar=grp->cvars ; cvar ; cvar=cvar->next)
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if (!Q_strncmp (partial,cvar->name, len))
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return cvar->name;
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return NULL;
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}
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*/
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#ifdef SERVERONLY
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void SV_SendServerInfoChange(char *key, char *value);
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#endif
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/*
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============
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Cvar_Set
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============
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*/
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cvar_t *Cvar_SetCore (cvar_t *var, char *value, qboolean force)
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{
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char *latch=NULL;
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if (!var)
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return NULL;
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if ((var->flags & CVAR_NOSET) && !force)
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{
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Con_Printf ("variable %s is readonly\n", var->name);
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return NULL;
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}
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if (var->flags & CVAR_SERVEROVERRIDE && !force)
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latch = "variable %s is under server control - latched\n";
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else if (var->flags & CVAR_LATCH)
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latch = "variable %s is latched\n";
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else if (var->flags & CVAR_RENDERERLATCH && qrenderer)
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latch = "variable %s will be changed after a renderer restart\n";
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#ifndef SERVERONLY
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else if (var->flags & CVAR_CHEAT && !cls.allow_cheats)
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latch = "variable %s is a cheat variable - latched\n";
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else if (var->flags & CVAR_SEMICHEAT && !cls.allow_semicheats)
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latch = "variable %s is a cheat variable - latched\n";
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#endif
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if (latch && !force)
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{
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if (cl_warncmd.value)
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Con_Printf (latch, var->name);
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if (var->latched_string && !strcmp(var->latched_string, value)) //no point, this would force the same
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return NULL;
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if (var->latched_string)
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Z_Free(var->latched_string);
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if (!strcmp(var->string, value)) //latch to the origional value? remove the latch.
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{
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var->latched_string = NULL;
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return NULL;
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}
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var->latched_string = Z_Malloc(strlen(value)+1);
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strcpy(var->latched_string, value);
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return NULL;
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}
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#ifndef CLIENTONLY
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if (var->flags & CVAR_SERVERINFO)
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{
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Info_SetValueForKey (svs.info, var->name, value, MAX_SERVERINFO_STRING);
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SV_SendServerInfoChange(var->name, value);
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// SV_BroadcastCommand ("fullserverinfo \"%s\"\n", svs.info);
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}
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#endif
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#ifndef SERVERONLY
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if (var->flags & CVAR_USERINFO)
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{
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Info_SetValueForKey (cls.userinfo, var->name, value, MAX_INFO_STRING);
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if (cls.state >= ca_connected)
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{
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#ifdef Q2CLIENT
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if (cls.q2server) //q2 just resends the lot. Kinda bad...
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{
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cls.resendinfo = true;
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}
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else
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#endif
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{
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MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
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SZ_Print (&cls.netchan.message, va("setinfo \"%s\" \"%s\"\n", var->name, value));
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}
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}
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}
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#endif
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if (var->string)
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{
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if (strcmp(var->string, value))
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var->modified++; //only modified if it changed.
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Z_Free (var->string); // free the old value string
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}
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var->string = Z_Malloc (Q_strlen(value)+1);
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Q_strcpy (var->string, value);
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var->value = Q_atof (var->string);
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if (var->latched_string) //we may as well have this here.
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{
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Z_Free(var->latched_string);
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var->latched_string = NULL;
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}
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return var;
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}
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void Cvar_ForceCheatVars(qboolean semicheats, qboolean absolutecheats)
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{ //this either unlatches if the cheat type is allowed, or enforces a default for full cheats and blank for semicheats.
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//this is clientside only.
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//if a value is enforced, it is latched to the old value.
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cvar_group_t *grp;
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cvar_t *var;
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char *latch;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (var=grp->cvars ; var ; var=var->next)
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{
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if (!(var->flags & (CVAR_CHEAT|CVAR_SEMICHEAT)))
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continue;
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latch = var->latched_string;
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var->latched_string = NULL;
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if (!latch)
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{
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latch = var->string;
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var->string = NULL;
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}
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if (var->flags & CVAR_CHEAT)
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{
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if (!absolutecheats)
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Cvar_ForceSet(var, var->defaultstr);
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else
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Cvar_ForceSet(var, latch);
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}
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if (var->flags & CVAR_SEMICHEAT)
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{
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if (!semicheats)
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Cvar_ForceSet(var, "");
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else
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Cvar_ForceSet(var, latch);
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}
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if (latch)
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{
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if (!strcmp(var->string, latch))
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Z_Free(latch);
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else
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var->latched_string = latch;
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}
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}
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}
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void Cvar_ApplyLatches(int latchflag)
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{
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cvar_group_t *grp;
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cvar_t *var;
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int mask = ~0;
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if (latchflag == CVAR_SERVEROVERRIDE) //these ones are cleared
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mask = ~CVAR_SERVEROVERRIDE;
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for (grp=cvar_groups ; grp ; grp=grp->next)
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for (var=grp->cvars ; var ; var=var->next)
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{
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if (var->flags & latchflag)
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{
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if (var->latched_string)
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{
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Cvar_ForceSet(var, var->latched_string);
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}
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var->flags &= mask;
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}
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}
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}
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cvar_t *Cvar_Set (cvar_t *var, char *value)
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{
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return Cvar_SetCore(var, value, false);
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}
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cvar_t *Cvar_ForceSet (cvar_t *var, char *value)
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{
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return Cvar_SetCore(var, value, true);
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}
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/*
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============
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Cvar_SetValue
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============
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*/
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void Cvar_SetValue (cvar_t *var, float value)
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{
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char val[32];
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if (value == (int)value)
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sprintf (val, "%i",(int)value); //make it look nicer.
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else
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sprintf (val, "%f",value);
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Cvar_Set (var, val);
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}
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/*
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============
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Cvar_RegisterVariable
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Adds a freestanding variable to the variable list.
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============
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*/
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void Cvar_Register (cvar_t *variable, char *groupname)
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{
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cvar_t *old;
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cvar_group_t *group;
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char value[512];
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// first check to see if it has allready been defined
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old = Cvar_FindVar (variable->name);
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if (old)
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{
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if (old->flags & CVAR_POINTER)
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{
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cvar_t *prev;
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group = Cvar_GetGroup(groupname);
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variable->next = old->next;
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variable->latched_string = old->latched_string;
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variable->string = old->string;
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variable->modified = old->modified;
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variable->value = old->value;
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//cheat prevention - engine set default is the one that stays.
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Z_Free(variable->defaultstr);
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variable->defaultstr = Z_Malloc (strlen(variable->string)+1); //give it it's default (for server controlled vars and things)
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strcpy (variable->defaultstr, variable->string);
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if (group->cvars == old)
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group->cvars = variable;
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else
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{
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for (prev = group->cvars; prev; prev++)
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{
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if (prev->next == old)
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{
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prev->next = variable;
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break;
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}
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}
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if (!prev) //this should never happen
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Sys_Error("Cvar was not linked\n");
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}
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Z_Free(old);
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return;
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}
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Con_Printf ("Can't register variable %s, allready defined\n", variable->name);
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return;
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}
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// check for overlap with a command
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if (Cmd_Exists (variable->name))
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{
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Con_Printf ("Cvar_RegisterVariable: %s is a command\n", variable->name);
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return;
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}
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group = Cvar_GetGroup(groupname);
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// link the variable in
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variable->next = group->cvars;
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variable->restriction = 0; //exe registered vars
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group->cvars = variable;
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// copy the value off, because future sets will Z_Free it
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strcpy (value, variable->string);
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variable->string = Z_Malloc (1);
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variable->defaultstr = Z_Malloc (strlen(value)+1); //give it it's default (for server controlled vars and things)
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strcpy (variable->defaultstr, value);
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// set it through the function to be consistant
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Cvar_SetCore (variable, value, true);
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}
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/*
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void Cvar_RegisterVariable (cvar_t *variable)
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{
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Cvar_Register(variable, NULL);
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}
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*/
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cvar_t *Cvar_Get(char *name, char *defaultvalue, int flags, char *group)
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{
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cvar_t *var;
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var = Cvar_FindVar(name);
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if (var)
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{
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//allow this to change all < cvar_latch values.
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//this allows q2 dlls to apply different flags to a cvar without destroying our important ones (like cheat).
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var->flags = (flags & (CVAR_LATCH-1)) | (var->flags & ~(CVAR_LATCH-1));
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return var;
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}
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var = Z_Malloc(sizeof(cvar_t)+strlen(name)+1);
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var->name = (char *)(var+1);
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strcpy(var->name, name);
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var->string = defaultvalue;
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var->flags = flags|CVAR_POINTER;
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Cvar_Register(var, group);
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return var;
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}
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//prevent the client from altering the cvar until they change map or the server resets the var to the default.
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void Cvar_LockFromServer(cvar_t *var, char *str)
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{
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char *oldlatch;
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Con_DPrintf("Server taking control of cvar %s\n", var->name);
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var->flags |= CVAR_SERVEROVERRIDE;
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oldlatch = var->latched_string;
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if (oldlatch) //maintaining control
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var->latched_string = NULL;
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else //taking control
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{
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oldlatch = Z_Malloc(strlen(var->string)+1);
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strcpy(oldlatch, var->string);
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}
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Cvar_SetCore (var, str, true); //will use all, quote included
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var->latched_string = oldlatch; //keep track of the origional value.
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}
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/*
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============
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Cvar_Command
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Handles variable inspection and changing from the console
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============
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*/
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qboolean Cvar_Command (int level)
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{
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cvar_t *v;
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char *str;
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// check variables
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v = Cvar_FindVar (Cmd_Argv(0));
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if (!v)
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return false;
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if ((v->restriction?v->restriction:rcon_level.value) > level)
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{
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Con_Printf ("You do not have the priveledges for %s\n", v->name);
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return true;
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}
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if (v->flags & CVAR_NOTFROMSERVER && Cmd_FromServer())
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{
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Con_Printf ("Server tried setting %s cvar\n", v->name);
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return true;
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}
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// perform a variable print or set
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if (Cmd_Argc() == 1)
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{
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Con_Printf ("\"%s\" is \"%s\"\n", v->name, v->string);
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if (v->latched_string)
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Con_Printf ("Latched as \"%s\"\n", v->latched_string);
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return true;
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}
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if (Cmd_Argc() == 2)
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str = Cmd_Argv(1);
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else
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str = Cmd_Args();
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if (v->flags & CVAR_NOSET)
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{
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Con_Printf ("Cvar %s may not be set via the console\n", v->name);
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return true;
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}
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#ifndef SERVERONLY
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if (Cmd_ExecLevel > RESTRICT_SERVER)
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{ //directed at a secondary player.
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char *msg;
|
|
msg = va("%i setinfo %s \"%s\"", Cmd_ExecLevel - RESTRICT_SERVER-1, v->name, str);
|
|
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
|
|
MSG_WriteString (&cls.netchan.message, msg);
|
|
return true;
|
|
}
|
|
|
|
if (v->flags & CVAR_SERVEROVERRIDE)
|
|
{
|
|
if (Cmd_FromServer())
|
|
{
|
|
if (!strcmp(v->defaultstr, str)) //returning to default
|
|
{
|
|
v->flags &= ~CVAR_SERVEROVERRIDE;
|
|
if (v->latched_string)
|
|
str = v->latched_string; //set to the latched
|
|
}
|
|
else
|
|
{
|
|
Cvar_LockFromServer(v, str);
|
|
return true;
|
|
}
|
|
}
|
|
//let cvar_set latch if needed.
|
|
}
|
|
else if (Cmd_FromServer())
|
|
{
|
|
Cvar_LockFromServer(v, str);
|
|
return true;
|
|
}
|
|
#endif
|
|
Cvar_Set (v, str); //will use all, quote included
|
|
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, qboolean all)
|
|
{
|
|
qboolean writtengroupheader;
|
|
cvar_group_t *grp;
|
|
cvar_t *var;
|
|
char *val;
|
|
|
|
for (grp=cvar_groups ; grp ; grp=grp->next)
|
|
{
|
|
writtengroupheader = false;
|
|
for (var = grp->cvars ; var ; var = var->next)
|
|
if (var->flags & CVAR_ARCHIVE || all)
|
|
{
|
|
if (!writtengroupheader)
|
|
{
|
|
writtengroupheader = true;
|
|
fprintf(f, "\n// %s\n", grp->name);
|
|
}
|
|
|
|
val = var->string; //latched vars should act differently.
|
|
if (var->latched_string)
|
|
val = var->latched_string;
|
|
|
|
if (var->flags & CVAR_USERCREATED)
|
|
{
|
|
if (var->flags & CVAR_ARCHIVE)
|
|
fprintf (f, "seta %s \"%s\"\n", var->name, val);
|
|
else
|
|
fprintf (f, "set %s \"%s\"\n", var->name, val);
|
|
}
|
|
else
|
|
fprintf (f, "%s \"%s\"\n", var->name, val);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Cvar_Shutdown(void)
|
|
{
|
|
cvar_t *var;
|
|
cvar_group_t *grp;
|
|
while(cvar_groups)
|
|
{
|
|
while(cvar_groups->cvars)
|
|
{
|
|
var = cvar_groups->cvars;
|
|
cvar_groups->cvars = var->next;
|
|
|
|
Z_Free(var->string);
|
|
if (var->flags & CVAR_POINTER)
|
|
Z_Free(var);
|
|
}
|
|
|
|
grp = cvar_groups;
|
|
cvar_groups = grp->next;
|
|
Z_Free(grp);
|
|
}
|
|
}
|