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/*
core/cvar.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_CVAR_H__
#define __INCLUDED_CORE_CVAR_H__
#include <string>
#include <map>
namespace core
{
/// a variable encapsulation class
class Cvar
{
public:
/// Cvar flags
/**
* Archive a cvar with this flag will be saved to the configuration file
* ReadOnly the value of cvar with this flag can not be altered from the commandline
* Game a cvar with this flag is only valid when a game is loaded
*/
enum Flags {Archive=1, ReadOnly=2, Game=4};
/// create a new variable
Cvar(const char *name = 0, unsigned int flags = 0);
/*----- inspectors ------------------------------------------------ */
/// returns the name of the variable
inline std::string const &name() { return cvar_name; }
/// returns the flags of the variable
inline unsigned int flags() const { return cvar_flags; }
/// returns the float value of the variable
inline float value() const { return cvar_value; }
/// returns the string value of the variable
inline const std::string &str() const { return cvar_str; }
/*----- mutators -------------------------------------------------- */
/// char * assignment operator
Cvar &operator=(const char *other);
/// std::string assignment operator
Cvar &operator=(const std::string &other);
/// float assignment operator
Cvar &operator=(float other);
/* ---- Static functions for the Cvar registry -------------------- */
/// get a cvar value from the registry
/** If the a cvar with the given name already exists in the registry,
* its value will not be changed. If the cvar does not exist,
* it will be created
*/
static Cvar *get(const char *name, const char *value, unsigned int flags=0);
/// get a cvar value from the registry
/** If the a cvar with the given name already exists in the registry,
* its value will not be changed. If the cvar does not exist,
* it will be created
*/
static Cvar *get(const char *name, float value, unsigned int flags=0);
/// set a cvar value
/** If the a cvar with the given name already exists in the registry,
* its value will be replaced
*/
static Cvar *set(const char *name, const char *value, unsigned int flags=0);
/// set a cvar value
/** If the a cvar with the given name already exists in the registry,
* its value will be replaced
*/
static Cvar *set(const char *name, float value, unsigned int flags=0);
/// delete a cvar from the registry
static void unset(const char *name);
/// delete a cvar from the registry
static void unset(std::string const &name);
/// search for a named cvar, returns 0 if not found
static Cvar *find(std::string const &name);
/// search for a named cvar, returns 0 if not found
static Cvar *find(const char *name);
/// list the cvar registry
static void list();
/// the Cvar registry
static std::map<std::string, Cvar*> registry;
static Cvar *sv_dedicated; // dedicated server
static Cvar *sv_private; // client with private server
static Cvar *net_host; // network server ip (default binds to all interfaces)
static Cvar *net_port; // network port
private:
std::string cvar_name;
std::string cvar_str;
unsigned int cvar_flags;
float cvar_value;
};
}
#endif // __INCLUDED_CORE_CVAR_H__
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