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more cvar cleanups: Added Cvar_LockVar, Cvar_UnlockVar, Cvar_UnlockAll and

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Cvar_FindVarAfter. Don't expose cvar_vars directly and use Cvar_FindVarAfter
instead.  several typo fixes, etc.

git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@570 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2011-12-29 12:28:21 +00:00
parent 62cd7643a3
commit 93fd580b18
4 changed files with 98 additions and 52 deletions
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3
Quake/console.c
View file

@ -887,7 +887,8 @@ void BuildTabList (const char *partial)
bash_partial[0] = 0;
bash_singlematch = 1;
for (cvar=cvar_vars ; cvar ; cvar=cvar->next)
cvar = Cvar_FindVarAfter ("", CVAR_NONE);
for ( ; cvar ; cvar=cvar->next)
if (!Q_strncmp (partial, cvar->name, len))
AddToTabList (cvar->name, "cvar");

67
Quake/cvar.c
View file

@ -22,7 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "quakedef.h"
cvar_t *cvar_vars;
static cvar_t *cvar_vars;
static char cvar_null_string[] = "";
//==============================================================================
@ -243,6 +243,59 @@ cvar_t *Cvar_FindVar (const char *var_name)
return NULL;
}
cvar_t *Cvar_FindVarAfter (const char *prev_name, unsigned int with_flags)
{
cvar_t *var;
if (*prev_name)
{
var = Cvar_FindVar (prev_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 & with_flags) || !with_flags)
break;
var = var->next;
}
return var;
}
/*
============
Cvar_LockVar
============
*/
void Cvar_LockVar (const char *var_name)
{
cvar_t *var = Cvar_FindVar (var_name);
if (var)
var->flags |= CVAR_LOCKED;
}
void Cvar_UnlockVar (const char *var_name)
{
cvar_t *var = Cvar_FindVar (var_name);
if (var)
var->flags &= ~CVAR_LOCKED;
}
void Cvar_UnlockAll (void)
{
cvar_t *var;
for (var = cvar_vars ; var ; var = var->next)
{
var->flags &= ~CVAR_LOCKED;
}
}
/*
============
Cvar_VariableValue
@ -318,7 +371,7 @@ void Cvar_Reset (const char *name)
void Cvar_SetQuick (cvar_t *var, const char *value)
{
if (var->flags & (CVAR_ROM|CVAR_LOCKED))
return; // cvar is marked read-only or locked temporarily
return;
if (!(var->flags & CVAR_REGISTERED))
return;
@ -356,8 +409,8 @@ void Cvar_SetQuick (cvar_t *var, const char *value)
}
//johnfitz
if(var->callback)
var->callback(var);
if (var->callback)
var->callback (var);
}
void Cvar_SetValueQuick (cvar_t *var, const float value)
@ -386,7 +439,7 @@ Cvar_Set
*/
void Cvar_Set (const char *var_name, const char *value)
{
cvar_t *var;
cvar_t *var;
var = Cvar_FindVar (var_name);
if (!var)
@ -467,10 +520,10 @@ void Cvar_RegisterVariable (cvar_t *variable)
qboolean set_rom;
cvar_t *cursor,*prev; //johnfitz -- sorted list insert
// first check to see if it has allready been defined
// first check to see if it has already been defined
if (Cvar_FindVar (variable->name))
{
Con_Printf ("Can't register variable %s, allready defined\n", variable->name);
Con_Printf ("Can't register variable %s, already defined\n", variable->name);
return;
}

60
Quake/cvar.h
View file

@ -22,21 +22,24 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef __CVAR_H__
#define __CVAR_H__
// cvar.h
/*
cvar_t variables are used to hold scalar or string variables that can be changed or displayed at the console or prog code as well as accessed directly
in C code.
cvar_t variables are used to hold scalar or string variables that can
be changed or displayed at the console or prog code as well as accessed
directly in C code.
it is sufficient to initialize a cvar_t with just the first two fields, or
you can add a ,true flag for variables that you want saved to the configuration
file when the game is quit:
it is sufficient to initialize a cvar_t with just the first two fields,
or you can add a ,true flag for variables that you want saved to the
configuration file when the game is quit:
cvar_t r_draworder = {"r_draworder","1"};
cvar_t scr_screensize = {"screensize","1",true};
Cvars must be registered before use, or they will have a 0 value instead of the float interpretation of the string. Generally, all cvar_t declarations should be registered in the apropriate init function before any console commands are executed:
Cvars must be registered before use, or they will have a 0 value instead
of the float interpretation of the string.
Generally, all cvar_t declarations should be registered in the apropriate
init function before any console commands are executed:
Cvar_RegisterVariable (&host_framerate);
@ -52,16 +55,18 @@ teamplay = cvar("teamplay");
cvar_set ("registered", "1");
The user can access cvars from the console in two ways:
r_draworder prints the current value
r_draworder prints the current value
r_draworder 0 sets the current value to 0
Cvars are restricted from having the same names as commands to keep this
interface from being ambiguous.
*/
#define CVAR_NONE 0
#define CVAR_ARCHIVE (1U << 0) // if set, causes it to be saved to config
#define CVAR_NOTIFY (1U << 1) // changes will be broadcasted to all players (H2)
#define CVAR_SERVERINFO (1U << 2) // added to serverinfo will be sent to clients (net_dgrm.c, qwsv)
#define CVAR_NOTIFY (1U << 1) // changes will be broadcasted to all players (q1)
#define CVAR_SERVERINFO (1U << 2) // added to serverinfo will be sent to clients (q1/net_dgrm.c and qwsv)
#define CVAR_USERINFO (1U << 3) // added to userinfo, will be sent to server (qwcl)
#define CVAR_CHANGED (1U << 4)
#define CVAR_ROM (1U << 6)
@ -78,18 +83,18 @@ typedef struct cvar_s
const char *string;
unsigned int flags;
float value;
struct cvar_s *next;
const char *default_string; //johnfitz -- remember defaults for reset function
cvarcallback_t callback; //johnfitz
cvarcallback_t callback;
struct cvar_s *next;
} cvar_t;
void Cvar_RegisterVariable (cvar_t *variable);
// registers a cvar that already has the name, string, and optionally
// the archive elements set.
void Cvar_SetCallback (cvar_t *var, cvarcallback_t func);
// set a callback function to the var
void Cvar_RegisterVariable (cvar_t *variable);
// registers a cvar that allready has the name, string, and optionally the
// archive elements set.
void Cvar_Set (const char *var_name, const char *value);
// equivelant to "<name> <variable>" typed at the console
@ -109,13 +114,9 @@ void Cvar_SetValueQuick (cvar_t *var, const float value);
float Cvar_VariableValue (const char *var_name);
// returns 0 if not defined or non numeric
const char *Cvar_VariableString (const char *var_name);
const char *Cvar_VariableString (const char *var_name);
// returns an empty string if not defined
const char *Cvar_CompleteVariable (const char *partial);
// attempts to match a partial variable name for command line completion
// returns NULL if nothing fits
qboolean Cvar_Command (void);
// called by Cmd_ExecuteString when Cmd_Argv(0) doesn't match a known
// command. Returns true if the command was a variable reference that
@ -123,13 +124,20 @@ qboolean Cvar_Command (void);
void Cvar_WriteVariables (FILE *f);
// Writes lines containing "set variable value" for all variables
// with the archive flag set to true.
// with the CVAR_ARCHIVE flag set
cvar_t *Cvar_FindVar (const char *var_name);
cvar_t *Cvar_FindVar (const char *var_name);
cvar_t *Cvar_FindVarAfter (const char *prev_name, unsigned int with_flags);
void Cvar_Init (void);
void Cvar_LockVar (const char *var_name);
void Cvar_UnlockVar (const char *var_name);
void Cvar_UnlockAll (void);
extern cvar_t *cvar_vars;
void Cvar_Init (void);
const char *Cvar_CompleteVariable (const char *partial);
// attempts to match a partial variable name for command line completion
// returns NULL if nothing fits
#endif /* __CVAR_H__ */

20
Quake/net_dgrm.c
View file

@ -956,27 +956,11 @@ static qsocket_t *_Datagram_CheckNewConnections (void)
if (command == CCREQ_RULE_INFO)
{
const char *prevCvarName;
cvar_t *var;
cvar_t *var;
// find the search start location
prevCvarName = MSG_ReadString();
if (*prevCvarName)
{
var = Cvar_FindVar (prevCvarName);
if (!var)
return NULL;
var = var->next;
}
else
var = cvar_vars;
// search for the next server cvar
while (var)
{
if (var->flags & CVAR_SERVERINFO)
break;
var = var->next;
}
var = Cvar_FindVarAfter (prevCvarName, CVAR_SERVERINFO);
// send the response
SZ_Clear(&net_message);