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cvars: Style touchups, add missing stuff, update notes about named access

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This commit is contained in:
Valentin Grünbacher 2015-02-20 15:35:06 +01:00
parent 50fea6be75
commit 828d9971a4
1 changed files with 152 additions and 129 deletions
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281
plugins/include/cvars.inc
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@ -13,39 +13,56 @@
#define _cvars_included
/**
* CVAR flags for create_cvar()
* CVAR flags for create_cvar() and register_cvar().
*/
#define FCVAR_NONE 0 /* No flags */
#define FCVAR_ARCHIVE 1 /* Set to cause it to be saved to vars.rc */
#define FCVAR_USERINFO 2 /* Changes the client's info string */
#define FCVAR_SERVER 4 /* Notifies players when changed */
#define FCVAR_EXTDLL 8 /* Defined by external DLL */
#define FCVAR_CLIENTDLL 16 /* Defined by the client dll */
#define FCVAR_PROTECTED 32 /* It's a server cvar, but we don't send the data since it's a password, etc. Sends 1 if it's not bland/zero, 0 otherwise as value */
#define FCVAR_SPONLY 64 /* This cvar cannot be changed by clients connected to a multiplayer server. */
#define FCVAR_PRINTABLEONLY 128 /* This cvar's string cannot contain unprintable characters ( e.g., used for player name etc ). */
#define FCVAR_UNLOGGED 256 /* If this is a FCVAR_SERVER, don't log changes to the log file / console if we are creating a log */
#define FCVAR_NOEXTRAWHITEPACE 512 /* Strip trailing/leading white space from this cvar */
#define FCVAR_NONE 0 // No special behavior
#define FCVAR_ARCHIVE 1 // Cvar will be saved to vars.rc Set to cause it to be saved to vars.rc
#define FCVAR_USERINFO 2 // Cvar changes the client's info string
#define FCVAR_SERVER 4 // Clients get notified when cvar value is changed
#define FCVAR_EXTDLL 8 // Defined by an external DLL
#define FCVAR_CLIENTDLL 16 // Defined by the client DLL
#define FCVAR_PROTECTED 32 // Cvar value is masked from outside access, should be used for sensitive cvars like passwords
#define FCVAR_SPONLY 64 // Cvar can't be changed by clients connected to a multiplayer server
#define FCVAR_PRINTABLEONLY 128 // The cvar string value can not contain unprintable characters
#define FCVAR_UNLOGGED 256 // If the cvar is FCVAR_SERVER, don't log changes to a file/the console
#define FCVAR_NOEXTRAWHITEPACE 512 // Automatically strips trailing/leading white space from the string value
/**
* Cvar bound constants used with [get|set]_pcvar_bounds().
*/
enum CvarBounds
{
CvarBound_Upper = 0,
CvarBound_Lower
};
/**
* Creates a new cvar for the engine.
*
* @note This has the same effect as register_cvar but provides more options.
* @note This has the same effect as register_cvar() but provides more options.
* @note For a list of possible cvar flags see FCVAR_* constants above.
* @note If an already existing cvar is registered it will not be duplicated.
* The default value is only set when the cvar is registered for the very
* first time since the server was started. Cvar bounds are overwritten
* by the create_cvar() call just as if they were re-set using
* set_pcvar_bounds().
* @note The returned cvar pointer should be used with the get_pcvar_* and
* set_pcvar_* set of functions.
*
* @param name Cvar name
* @param string Default cvar value
* @param flags Optional bitsum of flags specifying cvar behavior
* @param description Optional description of the cvar
* @param has_min Optional boolean that specifies if the cvar has a minimum value
* @param min_val Minimum floating point value
* @param has_max Optional boolean that specifies if the cvar has a maximum value
* @param max_val Maximum floating point value
* @param name Cvar name
* @param string Default cvar value
* @param flags Optional bitsum of flags specifying cvar behavior
* @param description Optional description of the cvar
* @param has_min Optional boolean that specifies if the cvar has a
* minimum value
* @param min_val Minimum floating point value
* @param has_max Optional boolean that specifies if the cvar has a
* maximum value
* @param max_val Maximum floating point value
*
* @return Unique cvar pointer
* @return Unique cvar pointer
* @error If invalid bounds are provided (min_val > max_val or
* vice versa), an error will be thrown.
*/
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);
@ -55,6 +72,8 @@ native create_cvar(const name[], const string[], flags = FCVAR_NONE, const descr
* @note Deprecated. Consider to use create_cvar for more options.
* @note For a list of possible cvar flags see FCVAR_* constants in amxconst.inc
* @note If an already existing cvar is registered it will not be duplicated.
* The default value is only set when the cvar is registered for the very
* first time since the server was started.
* @note The returned cvar pointer should be used with the get_pcvar_* and
* set_pcvar_* set of functions.
*
@ -65,7 +84,7 @@ native create_cvar(const name[], const string[], flags = FCVAR_NONE, const descr
*
* @return Unique cvar pointer
*/
native register_cvar(const name[], const string[], flags = FCVAR_NONE, Float:fvalue=0.0);
native register_cvar(const name[], const string[], flags = FCVAR_NONE, Float:fvalue = 0.0);
/**
* Returns if a cvar is registered on the server.
@ -79,8 +98,9 @@ native cvar_exists(const cvar[]);
/**
* Returns the cvar pointer of the specified cvar.
*
* @note A pointer is also returned by register_cvar(). Plugins can (and should)
* retrieve and use pointers for already existing mod cvars.
* @note A pointer is also returned by register_cvar() and create_cvar().
* Plugins can (and should) retrieve and use pointers for already existing
* mod cvars.
*
* @param cvar Cvar name to find
*
@ -93,56 +113,59 @@ native get_cvar_pointer(const cvar[]);
*
* @note Changing the cvar value from within this forward can lead to infinite
* recursion and should be avoided.
* @note Callback will be called in the following manner:
* @note The callback will be called in the following manner:
*
* public cvar_change_callback(pcvar, const old_value[], const new_value[])
* public cvar_change_callback(pcvar, const old_value[], const new_value[])
*
* pcvar - Pointer to cvar that was changed
* old_value - String containing the value of the cvar before it was changed
* new_value - String containing the new value of the cvar
* pcvar - Pointer to cvar that was changed
* old_value - Buffer containing the previous value of the cvar
* new_value - Buffer containing the new value of the cvar
*
* The return value is ignored
* The return value is ignored
*
* @param pcvar Pointer to cvar
* @param callback Name of callback function
* @param pcvar Pointer to cvar
* @param callback Name of callback function
*
* @return Callback handle that can be used with [disable|enable]_cvar_hook
* @error Invalid cvar pointer or invalid callback function
* @return Callback handle that can be used with
* [disable|enable]_cvar_hook
* @error If an invalid cvar pointer or callback function is provided,
* an error will be thrown.
*/
native cvarhook:hook_cvar_change(pcvar, const callback[]);
/**
* Stops a cvar hook forward from triggering.
* Disables a cvar hook, stopping it from being called.
*
* @note Use the handle returned by hook_cvar_change as the parameter here.
* @note Use the handle returned by hook_cvar_change as the parameter here.
*
* @param handle Forward to stop
* @error Invalid hook handle
* @param handle Forward to disable
* @error If an invalid hook handle is provided, an error will be
* thrown.
*/
native disable_cvar_hook(cvarhook:handle);
/**
* Starts a cvar hook forward back up.
* Enables a cvar hook, restoring it to being called.
*
* @note Use the handle returned by hook_cvar_change as the parameter here.
* @note Use the handle returned by hook_cvar_change as the parameter here.
*
* @param handle Forward to back up
* @error Invalid hook handle
* @param handle Forward to enable
* @error If an invalid hook handle is provided, an error will be
* thrown.
*/
native enable_cvar_hook(cvarhook:handle);
/**
* Returns flags of a cvar. The cvar is accessed by name.
* Returns a flags of a cvar. The cvar is accessed by name.
*
* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the get_pcvar_flags function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent get_pcvar_flags() function should be used
* instead.
*
* @param cvar Cvar name to retrieve flags from
* @param cvar Cvar name to retrieve flags from
*
* @return 1 on success, 0 if cvar does not exist or is not permitted
* @return Flag value
*/
native get_cvar_flags(const cvar[]);
@ -154,10 +177,9 @@ native get_cvar_flags(const cvar[]);
* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
* @note This function just adds the flags using a bitwise-or operation. After
* it has run the flags may not exactly equal the specified bitflag sum.
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the set_pcvar_flags function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent set_pcvar_flags() function should be used
* instead.
*
* @param cvar Cvar name to remove flags from
* @param flags Bitflag sum of flags to set
@ -173,11 +195,8 @@ native set_cvar_flags(const cvar[], flags);
* and "sv_cheats" cvars.
* @note For a list of possible flags see the FCVAR_* constants in amxconst.inc
* @note This function removes the flags using a bitwise-and operation.
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the set_pcvar_flags function.
*
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the set_pcvar_flags() function should be used instead.
*
* @param cvar Cvar name to remove flags from
* @param flags Bitflag sum of flags to remove
@ -189,10 +208,9 @@ native remove_cvar_flags(const cvar[], flags=-1);
/**
* Gets a string value from a cvar. The cvar is accessed by name.
*
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the get_pcvar_string function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent get_pcvar_string() function should be used
* instead.
*
* @param cvar Cvar name to retrieve value from
* @param output Buffer to copy cvar value to
@ -205,10 +223,9 @@ native get_cvar_string(const cvarname[], output[], iLen);
/**
* Sets a cvar to a given string value. The cvar is accessed by name.
*
* @note Accessing a cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the set_pcvar_string function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent set_pcvar_string() function should be used
* instead.
*
* @param cvar Cvar name to set value of
* @param value Value to set cvar to
@ -220,10 +237,9 @@ native set_cvar_string(const cvar[], const value[]);
/**
* Returns a floating value from a cvar. The cvar is accessed by name.
*
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the get_pcvar_float function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent get_pcvar_float() function should be used
* instead.
*
* @param cvarname Cvar name to retrieve value from
*
@ -234,10 +250,9 @@ native Float:get_cvar_float(const cvarname[]);
/**
* Sets a cvar to a given float value. The cvar is accessed by name.
*
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the set_pcvar_float function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent set_pcvar_float() function should be used
* instead.
*
* @param cvar Cvar name to set value of
* @param value Value to set cvar to
@ -249,10 +264,9 @@ native set_cvar_float(const cvar[], Float:value);
/**
* Returns an integer value from a cvar. The cvar is accessed by name.
*
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the get_pcvar_num function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent get_pcvar_num() function should be used
* instead.
*
* @param cvarname Cvar name to retrieve value from
*
@ -263,10 +277,9 @@ native get_cvar_num(const cvarname[]);
/**
* Sets a cvar to a given integer value. The cvar is accessed by name.
*
* @note Accessing a Cvar by name requires this function to walk through the
* engine's cvar list every time, which can result in a considerable waste
* of processing time, especially if many cvars have been registered. For
* a vastly superior alternative look at the set_pcvar_num function.
* @note Accessing a Cvar by name is slower than direct pointer access, which is
* why the otherwise equivalent set_pcvar_num() function should be used
* instead.
*
* @param cvar Cvar name to set value of
* @param value Value to set cvar to
@ -283,7 +296,8 @@ native set_cvar_num(const cvarname[], value);
* @param pcvar Pointer to cvar to retrieve flags from
*
* @return 1 on success, 0 if cvar pointer is invalid
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native get_pcvar_flags(pcvar);
@ -298,7 +312,8 @@ native get_pcvar_flags(pcvar);
* @param flags Bitflag sum of flags to set
*
* @return 1 on success, 0 if cvar does not exist or is not permitted
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native set_pcvar_flags(pcvar, flags);
@ -308,7 +323,8 @@ native set_pcvar_flags(pcvar, flags);
* @param pcvar Pointer to cvar to retrieve value from
*
* @return Cvar value, converted to int
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native get_pcvar_num(pcvar);
@ -318,7 +334,8 @@ native get_pcvar_num(pcvar);
* @param pcvar Pointer to cvar to retrieve value from
*
* @return Cvar value, converted to bool
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native bool:get_pcvar_bool(pcvar);
@ -329,7 +346,8 @@ native bool:get_pcvar_bool(pcvar);
* @param num Value to set cvar to
*
* @noreturn
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native set_pcvar_num(pcvar, num);
@ -340,7 +358,8 @@ native set_pcvar_num(pcvar, num);
* @param num Value to set cvar to
*
* @noreturn
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native set_pcvar_bool(pcvar, bool:num);
@ -350,7 +369,8 @@ native set_pcvar_bool(pcvar, bool:num);
* @param pcvar Pointer to cvar to retrieve value from
*
* @return Cvar value, converted to float
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native Float:get_pcvar_float(pcvar);
@ -361,7 +381,8 @@ native Float:get_pcvar_float(pcvar);
* @param num Value to set cvar to
*
* @noreturn
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native set_pcvar_float(pcvar, Float:num);
@ -373,7 +394,8 @@ native set_pcvar_float(pcvar, Float:num);
* @param maxlen Maximum size of the buffer
*
* @return Number of cells written to buffer.
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native get_pcvar_string(pcvar, string[], maxlen);
@ -384,40 +406,36 @@ native get_pcvar_string(pcvar, string[], maxlen);
* @param string Value to set cvar to
*
* @noreturn
* @error If an invalid cvar pointer is specified, an error is thrown.
* @error If an invalid cvar pointer is provided, an error will be
* thrown.
*/
native set_pcvar_string(pcvar, const string[]);
/**
* Cvar bound values used with get/set_pcvar_bounds()
*/
enum CvarBounds
{
CvarBound_Upper = 0,
CvarBound_Lower
};
/**
* Retrieves the specified value bounds of a cvar.
* Retrieves the specified value boundary of a cvar.
*
* @param pcvar Pointer to cvar
* @param type Type of bound to retrieve, CvarBound_Lower or CvarBound_Upper
* @param value Variable to store the specified bound to
* @param type Type of boundary to retrieve
* @param value Variable to store the specified boundary to
*
* @return True if the cvar has the specified bound set, false otherwise.
* @error If an invalid cvar pointer or CvarBounds value, an error is thrown.
* @return True if the cvar has a boundary set, false otherwise
* @error If an invalid cvar pointer or boundary type is provided,
* an error will be thrown.
*/
native bool:get_pcvar_bounds(pcvar, CvarBounds:type, &Float:value);
/**
* Sets the specified bounds of a cvar.
* Sets the specified boundary of a cvar.
*
* @param pcvar Pointer to cvar
* @param type Type of bound to set, CvarBound_Lower or CvarBound_Upper
* @param set If set to true, cvar will use specified bound. If false, bound will be removed
* @param value Floating point value to use as the specified bound
* @param type Type of boundary to set
* @param set If true the cvar boundary will be set, otherwise it will be
* removed (value is ignored)
* @param value Floating point value to use as the boundary
*
* @error If an invalid cvar pointer or CvarBounds value, an error is thrown.
* @noreturn
* @error If an invalid cvar pointer or boundary type is provided, an
* error will be thrown.
*/
native set_pcvar_bounds(pcvar, CvarBounds:type, bool:set, Float:value = 0.0);
@ -432,7 +450,9 @@ native set_pcvar_bounds(pcvar, CvarBounds:type, bool:set, Float:value = 0.0);
* @param pcvar Pointer to cvar
* @param var Global variable to keep updated
*
* @error Invalid cvar pointer, invalid provided variable or cvar/variable already binded.
* @noreturn
* @error If an invalid cvar pointer or variable is provided, an error
* will be thrown.
*/
native bind_pcvar_num(pcvar, &any:var);
@ -447,7 +467,9 @@ native bind_pcvar_num(pcvar, &any:var);
* @param pcvar Pointer to cvar
* @param var Global variable to keep updated
*
* @error Invalid cvar pointer, invalid provided variable or cvar/variable already binded.
* @noreturn
* @error If an invalid cvar pointer or variable is provided, an error
* will be thrown.
*/
native bind_pcvar_float(pcvar, &Float:var);
@ -463,7 +485,9 @@ native bind_pcvar_float(pcvar, &Float:var);
* @param var Global array to keep updated
* @param varlen Maximum length of string array
*
* @error Invalid cvar pointer, invalid provided variable or cvar/variable already binded.
* @noreturn
* @error If an invalid cvar pointer or variable is provided, an error
* will be thrown.
*/
native bind_pcvar_string(pcvar, any:var[], varlen);
@ -475,13 +499,14 @@ native bind_pcvar_string(pcvar, any:var[], varlen);
native get_plugins_cvarsnum();
/**
* Retrieves information about a plugin-registered cvar.
* Retrieves information about a plugin-registered cvar via iterative access.
*
* @note The returned cvar pointer should be used with the get_pcvar_* and
* set_pcvar_* set of functions.
* @note The cvar index does not equal the cvar pointer. It is the internal
* AMXX id of a cvar, incremented for each registered cvar.
*
* @param num Cvar index, this does not equal the cvar pointer, it is
* the internal index, incremented for each registered cvar
* @param num Index to retrieve
* @param name Buffer to copy cvar name to
* @param namelen Maximum buffer size
* @param flags Variable to store cvar flags to
@ -492,7 +517,7 @@ native get_plugins_cvarsnum();
*
* @return 1 on success, 0 if index is invalid
*/
native get_plugins_cvar(num, name[], namelen, &flags=0, &plugin_id=0, &pcvar_handle=0, description[]="", desc_len=0);
native get_plugins_cvar(num, name[], namelen, &flags = 0, &plugin_id = 0, &pcvar_handle = 0, description[] = "", desc_len = 0);
/**
* Dispatches a client cvar query, allowing the plugin to query for its value on
@ -502,10 +527,10 @@ native get_plugins_cvar(num, name[], namelen, &flags=0, &plugin_id=0, &pcvar_han
*
* public cvar_query_callback(id, const cvar[], const value[], const param[])
*
* id - Client index
* cvar - Cvar queried
* value - Cvar value on the client
* param - Extra data [optional]
* id - Client index
* cvar - Cvar queried
* value - Cvar value on the client
* param - Optional extra data
*
* @param id Client index
* @param cvar Cvar to query
@ -515,10 +540,8 @@ native get_plugins_cvar(num, name[], namelen, &flags=0, &plugin_id=0, &pcvar_han
*
* @noreturn
* @error If the client index is not within the range of 1 to
* MaxClients or the client is not connected, an error
* will be thrown.
* If the callback function is invalid, cvar querying is
* unavailable or the querying process runs out of memory,
* an error will be thrown.
* MaxClients, the client is not connected, the callback
* function is invalid or the querying process encounters
* a problem, an error will be thrown.
*/
native query_client_cvar(id, const cvar[], const resultFunc[], paramlen=0, const params[]="");
native query_client_cvar(id, const cvar[], const resultFunc[], paramlen = 0, const params[] = "");