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https://github.com/VCMP-SqMod/SqMod.git
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411 lines
17 KiB
C++
411 lines
17 KiB
C++
#ifndef _ROUTINE_HPP_
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#define _ROUTINE_HPP_
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// ------------------------------------------------------------------------------------------------
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#include "Base/Shared.hpp"
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// ------------------------------------------------------------------------------------------------
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#include <array>
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#include <utility>
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#include <unordered_map>
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// ------------------------------------------------------------------------------------------------
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namespace SqMod {
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/* ------------------------------------------------------------------------------------------------
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* Execute callbacks after specific intervals of time.
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*/
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class Routine
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{
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public:
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/* --------------------------------------------------------------------------------------------
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* Simplify future changes to a single point of change.
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*/
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typedef Int64 Time;
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typedef SQInteger Interval;
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typedef Uint32 Iterator;
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typedef std::pair< Interval, Routine * > Element;
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typedef std::array< Element, SQMOD_MAX_ROUTINES > Routines;
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typedef std::unordered_map< Routine *, Object > Objects;
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/* --------------------------------------------------------------------------------------------
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* Process all active routines and update elapsed time.
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*/
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static void Process();
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/* --------------------------------------------------------------------------------------------
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* Initialize all resources and prepare for startup.
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*/
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static void Initialize();
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/* --------------------------------------------------------------------------------------------
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* Release all resources and prepare for shutdown.
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*/
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static void Deinitialize();
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protected:
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// --------------------------------------------------------------------------------------------
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static Time s_Last; // Last time point.
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static Time s_Prev; // Previous time point.
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static Routines s_Routines; // Buckets of routines grouped by similar intervals.
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static Objects s_Objects; // List of existing routines and their associated object.
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protected:
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/* --------------------------------------------------------------------------------------------
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* Create or locate the object for the specified routine and keep a strong reference to it.
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*/
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static Object Associate(Routine * routine);
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/* --------------------------------------------------------------------------------------------
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* Release the strong reference associated with the specified routine so it can be destroyed.
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*/
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static void Dissociate(Routine * routine);
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/* --------------------------------------------------------------------------------------------
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* See whether the specified routine exists in the pool and references itself.
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*/
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static bool Associated(Routine * routine);
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/* --------------------------------------------------------------------------------------------
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* Remove the specified routine from the pool and any associated reference, if any.
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*/
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static void Forget(Routine * routine);
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/* --------------------------------------------------------------------------------------------
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* Insert a routine instance into the pool to be processed.
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*/
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static void Insert(Routine * routine, bool associate = true);
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/* --------------------------------------------------------------------------------------------
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* Insert a routine instance from the pool to not be processed.
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*/
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static void Remove(Routine * routine);
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/* --------------------------------------------------------------------------------------------
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* Release routine resources.
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*/
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void Release();
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/* --------------------------------------------------------------------------------------------
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* Execute the binded callback.
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*/
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void Execute();
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/* --------------------------------------------------------------------------------------------
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* See whether this routine is valid otherwise throw an exception.
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*/
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void Validate() const
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{
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if (m_Terminated)
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{
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STHROWF("Routine was terminated [%s]", m_Tag.c_str());
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}
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}
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private:
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval.
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*/
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Routine(Object & env, Function & func, Interval interval);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval and explicit iterations.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval, explicit iterations and arguments.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval, explicit iterations and arguments.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval, explicit iterations and arguments.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval, explicit iterations and arguments.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3, Object & a4);
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/* --------------------------------------------------------------------------------------------
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* Constructor with just an interval, explicit iterations and arguments.
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*/
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Routine(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3, Object & a4, Object & a5);
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/* --------------------------------------------------------------------------------------------
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* Copy constructor. (disabled)
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*/
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Routine(const Routine & o) = delete;
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/* --------------------------------------------------------------------------------------------
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* Move constructor. (disabled)
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*/
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Routine(Routine && o) = delete;
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/* --------------------------------------------------------------------------------------------
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* Copy assignment operator. (disabled)
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*/
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Routine & operator = (const Routine & o) = delete;
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/* --------------------------------------------------------------------------------------------
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* Move assignment operator. (disabled)
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*/
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Routine & operator = (Routine && o) = delete;
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private:
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/* --------------------------------------------------------------------------------------------
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* Number of iterations before self destruct.
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*/
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Iterator m_Iterations;
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/* --------------------------------------------------------------------------------------------
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* Interval between calls.
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*/
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Interval m_Interval;
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/* --------------------------------------------------------------------------------------------
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* The index of the slot in the pool.
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*/
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Uint16 m_Slot;
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/* --------------------------------------------------------------------------------------------
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* Number of arguments to forward.
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*/
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Uint16 m_Arguments;
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/* --------------------------------------------------------------------------------------------
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* Whether calls should be ignored.
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*/
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bool m_Suspended;
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/* --------------------------------------------------------------------------------------------
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* Whether the routine was terminated.
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*/
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bool m_Terminated;
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/* --------------------------------------------------------------------------------------------
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* The callback to be executed when triggered.
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*/
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Function m_Callback;
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/* --------------------------------------------------------------------------------------------
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* User tag associated with this instance.
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*/
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String m_Tag;
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/* --------------------------------------------------------------------------------------------
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* User data associated with this instance.
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*/
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Object m_Data;
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/* --------------------------------------------------------------------------------------------
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* Arguments to be forwarded to the callback.
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*/
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Object m_Arg1, m_Arg2, m_Arg3, m_Arg4, m_Arg5, m_Arg6, m_Arg7,
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m_Arg8, m_Arg9, m_Arg10, m_Arg11, m_Arg12, m_Arg13, m_Arg14;
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public:
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/* --------------------------------------------------------------------------------------------
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* Destructor.
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*/
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~Routine();
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/* --------------------------------------------------------------------------------------------
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* Used by the script engine to compare two instances of this type.
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*/
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Int32 Cmp(const Routine & o) const;
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/* --------------------------------------------------------------------------------------------
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* Used by the script engine to convert an instance of this type to a string.
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*/
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CSStr ToString() const;
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/* --------------------------------------------------------------------------------------------
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* Used by the script engine to retrieve the name from instances of this type.
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*/
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static SQInteger Typename(HSQUIRRELVM vm);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the associated user tag.
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*/
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const String & GetTag() const;
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/* --------------------------------------------------------------------------------------------
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* Modify the associated user tag.
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*/
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void SetTag(CSStr tag);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the associated user data.
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*/
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Object & GetData();
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/* --------------------------------------------------------------------------------------------
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* Modify the associated user data.
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*/
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void SetData(Object & data);
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/* --------------------------------------------------------------------------------------------
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* Modify the associated user tag and allow chaining of operations.
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*/
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Routine & ApplyTag(CSStr tag);
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/* --------------------------------------------------------------------------------------------
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* Modify the associated user data and allow chaining of operations.
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*/
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Routine & ApplyData(Object & data);
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/* --------------------------------------------------------------------------------------------
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* Activate the routine instance.
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*/
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Routine & Activate();
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/* --------------------------------------------------------------------------------------------
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* Deactivate the routine instance.
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*/
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Routine & Deactivate();
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/* --------------------------------------------------------------------------------------------
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* Terminate this routine by deactivating and releasing all resources.
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*/
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Routine & Terminate();
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/* --------------------------------------------------------------------------------------------
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* Unmark this routine as terminated and allow to be activated.
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*/
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Routine & Reanimate();
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/* --------------------------------------------------------------------------------------------
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* Modify an explicit value to be passed as the specified argument.
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*/
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Routine & SetArg(Uint16 num, Object & val);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the value that is passed as the specified argument.
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*/
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Object & GetArg(Uint16 num);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the amount of time required to wait between calls to the routine.
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*/
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Interval GetInterval() const;
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/* --------------------------------------------------------------------------------------------
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* Modify the amount of time required to wait between calls to the routine.
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*/
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void SetInterval(Interval interval);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the number of times that the routine can be called before terminating itself.
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*/
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Iterator GetIterations() const;
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/* --------------------------------------------------------------------------------------------
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* Modify the number of times that the routine can be called before terminating itself.
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*/
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void SetIterations(Iterator iterations);
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/* --------------------------------------------------------------------------------------------
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* Retrieve the number of arguments that are forwarded when executing the callback.
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*/
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Uint16 GetArguments() const;
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/* --------------------------------------------------------------------------------------------
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* Modify the number of arguments that are forwarded when executing the callback.
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*/
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void SetArguments(Uint16 num);
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/* --------------------------------------------------------------------------------------------
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* See whether the routine is suspended from further calls.
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*/
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bool GetSuspended() const;
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/* --------------------------------------------------------------------------------------------
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* Set whether the routine is suspended from further calls.
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*/
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void SetSuspended(bool toggle);
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/* --------------------------------------------------------------------------------------------
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* See whether the routine was terminated or not.
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*/
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bool GetTerminated() const;
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/* --------------------------------------------------------------------------------------------
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* Retrieve the currently binded callback.
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*/
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Function & GetCallback();
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/* --------------------------------------------------------------------------------------------
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* Bind a certain function to be executed when this routine is triggered.
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*/
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void SetCallback(Object & env, Function & func);
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public:
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval.
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*/
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static Object Create(Object & env, Function & func, Interval interval);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval and explicit iterations.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval, explicit iterations and arguments.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval, explicit iterations and arguments.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval, explicit iterations and arguments.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval, explicit iterations and arguments.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3, Object & a4);
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/* --------------------------------------------------------------------------------------------
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* Create a routine with just an interval, explicit iterations and arguments.
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*/
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static Object Create(Object & env, Function & func, Interval interval, Iterator iterations
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, Object & a1, Object & a2, Object & a3, Object & a4, Object & a5);
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/* --------------------------------------------------------------------------------------------
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* Attempt to find a certain routine by its associated tag.
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*/
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static Object FindByTag(CSStr tag);
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};
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} // Namespace:: SqMod
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#endif // _ROUTINE_HPP_
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