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Better handling of user defined cvars. 

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@749 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2005-01-07 02:46:54 +00:00
parent a859377ded
commit 756ab19471
1 changed files with 54 additions and 27 deletions
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81
engine/common/cvar.c
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@ -379,6 +379,37 @@ void Cvar_SetValue (cvar_t *var, float value)
Cvar_Set (var, val);
}
void Cvar_Free(cvar_t *tbf)
{
cvar_t *var;
cvar_group_t *grp;
if (!(tbf->flags & CVAR_POINTER))
return; //only freeable if it was a pointer to begin with.
for (grp=cvar_groups ; grp ; grp=grp->next)
{
if (grp->cvars == tbf)
{
grp->cvars = tbf->next;
goto unlinked;
}
for (var=grp->cvars ; var->next ; var=var->next)
{
if (var->next == tbf)
{
var->next = tbf->next;
goto unlinked;
}
}
}
unlinked:
Z_Free(tbf->string);
Z_Free(tbf->defaultstr);
if (tbf->latched_string)
Z_Free(tbf->latched_string);
Z_Free(tbf);
}
/*
============
Cvar_RegisterVariable
@ -392,7 +423,10 @@ void Cvar_Register (cvar_t *variable, char *groupname)
cvar_group_t *group;
char value[512];
// first check to see if it has allready been defined
// copy the value off, because future sets will Z_Free it
strcpy (value, variable->string);
// check to see if it has allready been defined
old = Cvar_FindVar (variable->name);
if (old)
{
@ -401,33 +435,28 @@ void Cvar_Register (cvar_t *variable, char *groupname)
cvar_t *prev;
group = Cvar_GetGroup(groupname);
variable->next = old->next;
variable->latched_string = old->latched_string;
variable->string = old->string;
variable->modified = old->modified;
variable->value = old->value;
variable->flags |= old->flags & CVAR_ARCHIVE;
//cheat prevention - engine set default is the one that stays.
Z_Free(variable->defaultstr);
variable->defaultstr = Z_Malloc (strlen(variable->string)+1); //give it it's default (for server controlled vars and things)
strcpy (variable->defaultstr, variable->string);
// link the variable in
variable->next = group->cvars;
variable->restriction = old->restriction; //exe registered vars
group->cvars = variable;
if (group->cvars == old)
group->cvars = variable;
// make sure it can be zfreed
variable->string = Z_Malloc (1);
//cheat prevention - engine set default is the one that stays.
variable->defaultstr = Z_Malloc (strlen(value)+1); //give it it's default (for server controlled vars and things)
strcpy (variable->defaultstr, value);
// set it through the function to be consistant
if (old->latched_string)
Cvar_SetCore (variable, old->latched_string, true);
else
{
for (prev = group->cvars; prev; prev++)
{
if (prev->next == old)
{
prev->next = variable;
break;
}
}
if (!prev) //this should never happen
Sys_Error("Cvar was not linked\n");
}
Z_Free(old);
Cvar_SetCore (variable, old->string, true);
Cvar_Free(old);
return;
}
@ -449,8 +478,6 @@ void Cvar_Register (cvar_t *variable, char *groupname)
variable->restriction = 0; //exe registered vars
group->cvars = variable;
// copy the value off, because future sets will Z_Free it
strcpy (value, variable->string);
variable->string = Z_Malloc (1);
variable->defaultstr = Z_Malloc (strlen(value)+1); //give it it's default (for server controlled vars and things)
@ -482,7 +509,7 @@ cvar_t *Cvar_Get(char *name, char *defaultvalue, int flags, char *group)
var->name = (char *)(var+1);
strcpy(var->name, name);
var->string = defaultvalue;
var->flags = flags|CVAR_POINTER;
var->flags = flags|CVAR_POINTER|CVAR_USERCREATED;
Cvar_Register(var, group);