ACE3/addons/common/functions/fnc_cachedCall.sqf
2015-08-26 15:32:54 +02:00

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/*
* Author: esteldunedain and Jaynus
* Returns the result of the function and caches it up to a given ACE_time or event
*
* Arguments:
* 0: Parameters <ARRAY>
* 1: Function <CODE>
* 2: Namespace to store the cache on <NAMESPACE>
* 3: Cache uid <STRING>
* 4: Max duration of the cache <NUMBER>
* 5: Event that clears the cache <STRING> (Optional)
*
* Return Value:
* Result of the function <ANY>
*
* Public: No
*/
#include "script_component.hpp"
PARAMS_5(_params,_function,_namespace,_uid,_duration);
//IGNORE_PRIVATE_WARNING("_eventName");
if (((_namespace getVariable [_uid, [-99999]]) select 0) < ACE_diagTime) then {
_namespace setVariable [_uid, [ACE_diagTime + _duration, _params call _function]];
// Does the cache needs to be cleared on an event?
if (count _this > 5) then {
private ["_event","_varName","_cacheList"];
_event = _this select 5;
_varName = format [QGVAR(clearCache_%1),_event];
_cacheList = missionNamespace getVariable _varName;
// If there was no EH to clear these caches, add one
if (isNil {_cacheList}) then {
_cacheList = [];
missionNamespace setVariable [_varName, _cacheList];
[_event, {
private ["_varName","_cacheList"];
// _eventName is defined on the function that calls the event
#ifdef DEBUG_MODE_FULL
ACE_LOGINFO(format ["Clear cached variables on event: %1", _eventName]);
#endif
// Get the list of caches to clear
_varName = format [QGVAR(clearCache_%1),_eventName];
_cacheList = missionNamespace getVariable [_varName, []];
// Erase all the cached results
{
_x call FUNC(eraseCache);
} forEach _cacheList;
// Empty the list
missionNamespace setVariable [_varName, []];
}] call FUNC(addEventhandler);
};
// Add this cache to the list of the event
_cacheList pushBack [_namespace, _uid];
};
#ifdef DEBUG_MODE_FULL
ACE_LOGINFO(format ["Calculated result: %1 %2", _namespace, _uid]);
} else {
ACE_LOGINFO(format ["Cached result: %1 %2", _namespace, _uid]);
#endif
};
(_namespace getVariable _uid) select 1