mirror of
https://github.com/alliedmodders/amxmodx.git
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548 lines
19 KiB
SourcePawn
548 lines
19 KiB
SourcePawn
// vim: set ts=4 sw=4 tw=99 noet:
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//
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// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
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// Copyright (C) The AMX Mod X Development Team.
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//
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// This software is licensed under the GNU General Public License, version 3 or higher.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://alliedmods.net/amxmodx-license
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#if defined _cvars_included
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#endinput
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#endif
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#define _cvars_included
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/**
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* CVAR flags for create_cvar() and register_cvar().
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*/
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#define FCVAR_NONE 0 // No special behavior
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#define FCVAR_ARCHIVE 1 // Cvar will be saved to vars.rc Set to cause it to be saved to vars.rc
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#define FCVAR_USERINFO 2 // Cvar changes the client's info string
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#define FCVAR_SERVER 4 // Clients get notified when cvar value is changed
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#define FCVAR_EXTDLL 8 // Defined by an external DLL
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#define FCVAR_CLIENTDLL 16 // Defined by the client DLL
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#define FCVAR_PROTECTED 32 // Cvar value is masked from outside access, should be used for sensitive cvars like passwords
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#define FCVAR_SPONLY 64 // Cvar can't be changed by clients connected to a multiplayer server
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#define FCVAR_PRINTABLEONLY 128 // The cvar string value can not contain unprintable characters
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#define FCVAR_UNLOGGED 256 // If the cvar is FCVAR_SERVER, don't log changes to a file/the console
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#define FCVAR_NOEXTRAWHITEPACE 512 // Automatically strips trailing/leading white space from the string value
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/**
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* Cvar bound constants used with [get|set]_pcvar_bounds().
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*/
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enum CvarBounds
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{
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CvarBound_Upper = 0,
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CvarBound_Lower
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};
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/**
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* Creates a new cvar for the engine.
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*
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* @note This has the same effect as register_cvar() but provides more options.
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* @note For a list of possible cvar flags see FCVAR_* constants above.
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* @note If an already existing cvar is registered it will not be duplicated.
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* The default value is only set when the cvar is registered for the very
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* first time since the server was started. Cvar bounds are overwritten
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* by the create_cvar() call just as if they were re-set using
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* set_pcvar_bounds().
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* @note The returned cvar pointer should be used with the get_pcvar_* and
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* set_pcvar_* set of functions.
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*
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* @param name Cvar name
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* @param string Default cvar value
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* @param flags Optional bitsum of flags specifying cvar behavior
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* @param description Optional description of the cvar
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* @param has_min Optional boolean that specifies if the cvar has a
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* minimum value
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* @param min_val Minimum floating point value
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* @param has_max Optional boolean that specifies if the cvar has a
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* maximum value
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* @param max_val Maximum floating point value
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*
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* @return Unique cvar pointer
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* @error If invalid bounds are provided (min_val > max_val or
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* vice versa), an error will be thrown.
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*/
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native create_cvar(const name[], const string[], flags = FCVAR_NONE, const description[] = "", bool:has_min = false, Float:min_val = 0.0, bool:has_max = false, Float:max_val = 0.0);
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/**
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* Registers a new cvar for the engine.
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*
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* @note Deprecated. Consider to use create_cvar for more options.
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* @note For a list of possible cvar flags see FCVAR_* constants in cvars.inc
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* @note If an already existing cvar is registered it will not be duplicated.
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* The default value is only set when the cvar is registered for the very
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* first time since the server was started.
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* @note The returned cvar pointer should be used with the get_pcvar_* and
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* set_pcvar_* set of functions.
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*
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* @param name Cvar name
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* @param string Default cvar value
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* @param flags Optional bitsum of flags specifying cvar behavior
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* @param fvalue Unused
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*
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* @return Unique cvar pointer
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*/
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native register_cvar(const name[], const string[], flags = FCVAR_NONE, Float:fvalue = 0.0);
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/**
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* Returns if a cvar is registered on the server.
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*
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* @param cvar Cvar name to check
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*
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* @return 1 if the cvar exists, 0 otherwise
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*/
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native cvar_exists(const cvar[]);
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/**
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* Returns the cvar pointer of the specified cvar.
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*
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* @note A pointer is also returned by register_cvar() and create_cvar().
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* Plugins can (and should) retrieve and use pointers for already existing
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* mod cvars.
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*
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* @param cvar Cvar name to find
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*
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* @return Cvar pointer on success, 0 if cvar was not found
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*/
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native get_cvar_pointer(const cvar[]);
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/**
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* Creates a hook for when a cvar's value is changed.
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*
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* @note Changing the cvar value from within this forward can lead to infinite
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* recursion and should be avoided.
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* @note The callback will be called in the following manner:
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*
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* public cvar_change_callback(pcvar, const old_value[], const new_value[])
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*
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* pcvar - Pointer to cvar that was changed
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* old_value - Buffer containing the previous value of the cvar
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* new_value - Buffer containing the new value of the cvar
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*
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* The return value is ignored
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*
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* @param pcvar Pointer to cvar
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* @param callback Name of callback function
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*
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* @return Callback handle that can be used with
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* [disable|enable]_cvar_hook
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* @error If an invalid cvar pointer or callback function is provided,
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* an error will be thrown.
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*/
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native cvarhook:hook_cvar_change(pcvar, const callback[]);
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/**
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* Disables a cvar hook, stopping it from being called.
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*
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* @note Use the handle returned by hook_cvar_change as the parameter here.
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*
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* @param handle Forward to disable
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* @error If an invalid hook handle is provided, an error will be
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* thrown.
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*/
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native disable_cvar_hook(cvarhook:handle);
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/**
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* Enables a cvar hook, restoring it to being called.
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*
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* @note Use the handle returned by hook_cvar_change as the parameter here.
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*
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* @param handle Forward to enable
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* @error If an invalid hook handle is provided, an error will be
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* thrown.
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*/
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native enable_cvar_hook(cvarhook:handle);
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/**
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* Returns flags of a cvar. The cvar is accessed by name.
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*
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* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent get_pcvar_flags() function should be used
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* instead.
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*
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* @param cvar Cvar name to retrieve flags from
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*
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* @return Flag value
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*/
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native get_cvar_flags(const cvar[]);
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/**
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* Sets specified flags to a cvar. The cvar is accessed by name.
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*
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* @note Not permitted for the "amx_version", "amxmodx_version", "fun_version"
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* and "sv_cheats" cvars.
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* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
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* @note This function just adds the flags using a bitwise-or operation. After
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* it has run the flags may not exactly equal the specified bitflag sum.
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent set_pcvar_flags() function should be used
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* instead.
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*
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* @param cvar Cvar name to remove flags from
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* @param flags Bitflag sum of flags to set
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*
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* @return 1 on success, 0 if cvar does not exist or is not permitted
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*/
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native set_cvar_flags(const cvar[], flags);
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/**
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* Removes specified flags from a cvar. The cvar is accessed by name.
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*
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* @note Not permitted for the "amx_version", "amxmodx_version", "fun_version"
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* and "sv_cheats" cvars.
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* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
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* @note This function removes the flags using a bitwise-and operation.
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the set_pcvar_flags() function should be used instead.
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*
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* @param cvar Cvar name to remove flags from
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* @param flags Bitflag sum of flags to remove
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*
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* @return 1 on success, 0 if cvar does not exist or is not permitted
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*/
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native remove_cvar_flags(const cvar[], flags=-1);
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/**
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* Gets a string value from a cvar. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent get_pcvar_string() function should be used
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* instead.
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*
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* @param cvar Cvar name to retrieve value from
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* @param output Buffer to copy cvar value to
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* @param iLen Maximum size of the buffer
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*
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* @return Number of cells written to buffer.
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*/
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native get_cvar_string(const cvarname[], output[], iLen);
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/**
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* Sets a cvar to a given string value. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent set_pcvar_string() function should be used
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* instead.
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*
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* @param cvar Cvar name to set value of
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* @param value Value to set cvar to
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*
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* @noreturn
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*/
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native set_cvar_string(const cvar[], const value[]);
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/**
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* Returns a floating value from a cvar. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent get_pcvar_float() function should be used
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* instead.
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*
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* @param cvarname Cvar name to retrieve value from
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*
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* @return Cvar value, converted to float
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*/
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native Float:get_cvar_float(const cvarname[]);
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/**
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* Sets a cvar to a given float value. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent set_pcvar_float() function should be used
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* instead.
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*
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* @param cvar Cvar name to set value of
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* @param value Value to set cvar to
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*
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* @noreturn
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*/
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native set_cvar_float(const cvar[], Float:value);
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/**
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* Returns an integer value from a cvar. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent get_pcvar_num() function should be used
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* instead.
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*
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* @param cvarname Cvar name to retrieve value from
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*
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* @return Cvar value, converted to int
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*/
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native get_cvar_num(const cvarname[]);
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/**
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* Sets a cvar to a given integer value. The cvar is accessed by name.
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*
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* @note Accessing a Cvar by name is slower than direct pointer access, which is
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* why the otherwise equivalent set_pcvar_num() function should be used
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* instead.
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*
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* @param cvar Cvar name to set value of
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* @param value Value to set cvar to
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*
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* @noreturn
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*/
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native set_cvar_num(const cvarname[], value);
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/**
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* Returns flags of a cvar via direct pointer access.
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*
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* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
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*
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* @param pcvar Pointer to cvar to retrieve flags from
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*
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* @return 1 on success, 0 if cvar pointer is invalid
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native get_pcvar_flags(pcvar);
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/**
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* Sets specified flags to a cvar via direct pointer access.
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*
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* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
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* @note This function directly sets the provided bitflag, unlike set_cvar_flags
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* which adds them using a bitwise OR.
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*
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* @param pcvar Pointer to cvar to set flags of
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* @param flags Bitflag sum of flags to set
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*
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* @return 1 on success, 0 if cvar does not exist or is not permitted
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native set_pcvar_flags(pcvar, flags);
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/**
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* Returns an integer value from a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to retrieve value from
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*
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* @return Cvar value, converted to int
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native get_pcvar_num(pcvar);
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/**
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* Returns an boolean value from a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to retrieve value from
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*
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* @return Cvar value, converted to bool
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native bool:get_pcvar_bool(pcvar);
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/**
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* Sets an integer value to a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to set value of
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* @param num Value to set cvar to
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*
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* @noreturn
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native set_pcvar_num(pcvar, num);
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/**
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* Sets a boolean value to a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to set value of
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* @param num Value to set cvar to
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*
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* @noreturn
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native set_pcvar_bool(pcvar, bool:num);
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/**
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* Returns a float value from a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to retrieve value from
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*
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* @return Cvar value, converted to float
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native Float:get_pcvar_float(pcvar);
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/**
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* Sets a float value to a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to set value of
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* @param num Value to set cvar to
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*
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* @noreturn
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native set_pcvar_float(pcvar, Float:num);
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/**
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* Returns a string value from a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to retrieve value from
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* @param string Buffer to copy cvar value to
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* @param maxlen Maximum size of the buffer
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*
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* @return Number of cells written to buffer.
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native get_pcvar_string(pcvar, string[], maxlen);
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/**
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* Sets a string value to a cvar via direct pointer access.
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*
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* @param pcvar Pointer to cvar to retrieve value from
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* @param string Value to set cvar to
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*
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* @noreturn
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* @error If an invalid cvar pointer is provided, an error will be
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* thrown.
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*/
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native set_pcvar_string(pcvar, const string[]);
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/**
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* Retrieves the specified value boundary of a cvar.
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*
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* @param pcvar Pointer to cvar
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* @param type Type of boundary to retrieve
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* @param value Variable to store the specified boundary to
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*
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* @return True if the cvar has a boundary set, false otherwise
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* @error If an invalid cvar pointer or boundary type is provided,
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* an error will be thrown.
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*/
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native bool:get_pcvar_bounds(pcvar, CvarBounds:type, &Float:value);
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/**
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* Sets the specified boundary of a cvar.
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*
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* @param pcvar Pointer to cvar
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* @param type Type of boundary to set
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* @param set If true the cvar boundary will be set, otherwise it will be
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* removed (value is ignored)
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* @param value Floating point value to use as the boundary
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*
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* @noreturn
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* @error If an invalid cvar pointer or boundary type is provided, an
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* error will be thrown.
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*/
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native set_pcvar_bounds(pcvar, CvarBounds:type, bool:set, Float:value = 0.0);
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/**
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* Binds a cvar's integer value to a global variable. The variable will then
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* always contain the current cvar value as it is automatically kept up to date.
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*
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* @note The variable *has* to be a global or a static variable. Local variables
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* created within functions can not be used for technical reasons.
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* @note Variables can not be bound to multiple cvars.
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*
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* @param pcvar Pointer to cvar
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* @param var Global variable to keep updated
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*
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* @noreturn
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* @error If an invalid cvar pointer or variable is provided, an error
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* will be thrown.
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*/
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native bind_pcvar_num(pcvar, &any:var);
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/**
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* Binds a cvar's float value to a global variable. The variable will then
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* always contain the current cvar value as it is automatically kept up to date.
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*
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* @note The variable *has* to be a global or a static variable. Local variables
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* created within functions can not be used for technical reasons.
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* @note Variables can not be bound to multiple cvars.
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*
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* @param pcvar Pointer to cvar
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* @param var Global variable to keep updated
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*
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* @noreturn
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* @error If an invalid cvar pointer or variable is provided, an error
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* will be thrown.
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*/
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native bind_pcvar_float(pcvar, &Float:var);
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/**
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* Binds a cvar's string value to a global array. The array will then
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* always contain the current cvar value as it is automatically kept up to date.
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*
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* @note The array *has* to be a global or a static array. Local arrays
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* created within functions can not be used for technical reasons.
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* @note Arrays can not be bound to multiple cvars.
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*
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* @param pcvar Pointer to cvar
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* @param var Global array to keep updated
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* @param varlen Maximum length of string array
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*
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* @noreturn
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* @error If an invalid cvar pointer or variable is provided, an error
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* will be thrown.
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*/
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native bind_pcvar_string(pcvar, any:var[], varlen);
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/**
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* Returns the number of plugin-registered cvars.
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*
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* @return Number of registered cvars
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*/
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native get_plugins_cvarsnum();
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/**
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* Retrieves information about a plugin-registered cvar via iterative access.
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*
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* @note The returned cvar pointer should be used with the get_pcvar_* and
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* set_pcvar_* set of functions.
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* @note The cvar index does not equal the cvar pointer. It is the internal
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* AMXX id of a cvar, incremented for each registered cvar.
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*
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* @param num Index to retrieve
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* @param name Buffer to copy cvar name to
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* @param namelen Maximum buffer size
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* @param flags Variable to store cvar flags to
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* @param plugin_id Variable to store id of the registering plugin to
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* @param pcvar_handle Variable to store cvar pointer to
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* @param description Variable to store cvar description to
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* @param desc_len Maximum length of string buffer
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*
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* @return 1 on success, 0 if index is invalid
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*/
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native get_plugins_cvar(num, name[], namelen, &flags = 0, &plugin_id = 0, &pcvar_handle = 0, description[] = "", desc_len = 0);
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/**
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* Dispatches a client cvar query, allowing the plugin to query for its value on
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* the client.
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*
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* @note The callback will be called in the following manner:
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*
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* public cvar_query_callback(id, const cvar[], const value[], const param[])
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*
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* id - Client index
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* cvar - Cvar queried
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* value - Cvar value on the client
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* param - Optional extra data
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*
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* @param id Client index
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* @param cvar Cvar to query
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* @param resultFunc Callback function
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* @param paramlen Size of extra data
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* @param params Extra data to pass through to callback
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*
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* @noreturn
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* @error If the client index is not within the range of 1 to
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* MaxClients, the client is not connected, the callback
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* function is invalid or the querying process encounters
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* a problem, an error will be thrown.
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*/
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native query_client_cvar(id, const cvar[], const resultFunc[], paramlen = 0, const params[] = "");
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