#ifndef _ROUTINE_HPP_ #define _ROUTINE_HPP_ // ------------------------------------------------------------------------------------------------ #include "Base/Shared.hpp" // ------------------------------------------------------------------------------------------------ #include #include #include // ------------------------------------------------------------------------------------------------ namespace SqMod { /* ------------------------------------------------------------------------------------------------ * Execute callbacks after specific intervals of time. */ class Routine { public: /* -------------------------------------------------------------------------------------------- * Simplify future changes to a single point of change. */ typedef Int64 Time; typedef SQInteger Interval; typedef Uint32 Iterator; typedef std::pair< Interval, Routine * > Element; typedef std::array< Element, SQMOD_MAX_ROUTINES > Routines; typedef std::unordered_map< Routine *, Object > Objects; /* -------------------------------------------------------------------------------------------- * Process all active routines and update elapsed time. */ static void Process(); /* -------------------------------------------------------------------------------------------- * Initialize all resources and prepare for startup. */ static void Initialize(); /* -------------------------------------------------------------------------------------------- * Release all resources and prepare for shutdown. */ static void Deinitialize(); protected: // -------------------------------------------------------------------------------------------- static Time s_Last; // Last time point. static Time s_Prev; // Previous time point. static Routines s_Routines; // Buckets of routines grouped by similar intervals. static Objects s_Objects; // List of existing routines and their associated object. protected: /* -------------------------------------------------------------------------------------------- * Create or locate the object for the specified routine and keep a strong reference to it. */ static Object Associate(Routine * routine); /* -------------------------------------------------------------------------------------------- * Release the strong reference associated with the specified routine so it can be destroyed. */ static void Dissociate(Routine * routine); /* -------------------------------------------------------------------------------------------- * See whether the specified routine exists in the pool and references itself. */ static bool Associated(Routine * routine); /* -------------------------------------------------------------------------------------------- * Remove the specified routine from the pool and any associated reference, if any. */ static void Forget(Routine * routine); /* -------------------------------------------------------------------------------------------- * Insert a routine instance into the pool to be processed. */ static void Insert(Routine * routine, bool associate = true); /* -------------------------------------------------------------------------------------------- * Remove a routine instance from the pool to not be processed. */ static void Remove(Routine * routine, bool forget = false); /* -------------------------------------------------------------------------------------------- * Release routine resources. */ void Release(); /* -------------------------------------------------------------------------------------------- * Execute the binded callback. */ void Execute(); /* -------------------------------------------------------------------------------------------- * See whether this routine is valid otherwise throw an exception. */ void Validate() const { if (m_Terminated) { STHROWF("Routine was terminated [%s]", m_Tag.c_str()); } } private: /* -------------------------------------------------------------------------------------------- * Constructor with just an interval. */ Routine(Object & env, Function & func, Interval interval); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval and explicit iterations. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval, explicit iterations and arguments. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval, explicit iterations and arguments. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval, explicit iterations and arguments. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval, explicit iterations and arguments. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3, Object & a4); /* -------------------------------------------------------------------------------------------- * Constructor with just an interval, explicit iterations and arguments. */ Routine(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3, Object & a4, Object & a5); private: /* -------------------------------------------------------------------------------------------- * Number of iterations before self destruct. */ Iterator m_Iterations; /* -------------------------------------------------------------------------------------------- * Interval between calls. */ Interval m_Interval; /* -------------------------------------------------------------------------------------------- * The index of the slot in the pool. */ Uint16 m_Slot; /* -------------------------------------------------------------------------------------------- * Number of arguments to forward. */ Uint16 m_Arguments; /* -------------------------------------------------------------------------------------------- * Whether calls should be ignored. */ bool m_Suspended; /* -------------------------------------------------------------------------------------------- * Whether the routine was terminated. */ bool m_Terminated; /* -------------------------------------------------------------------------------------------- * The callback to be executed when triggered. */ Function m_Callback; /* -------------------------------------------------------------------------------------------- * User tag associated with this instance. */ String m_Tag; /* -------------------------------------------------------------------------------------------- * User data associated with this instance. */ Object m_Data; /* -------------------------------------------------------------------------------------------- * Arguments to be forwarded to the callback. */ Object m_Arg1, m_Arg2, m_Arg3, m_Arg4, m_Arg5, m_Arg6, m_Arg7, m_Arg8, m_Arg9, m_Arg10, m_Arg11, m_Arg12, m_Arg13, m_Arg14; public: /* -------------------------------------------------------------------------------------------- * Copy constructor. (disabled) */ Routine(const Routine & o) = delete; /* -------------------------------------------------------------------------------------------- * Move constructor. (disabled) */ Routine(Routine && o) = delete; /* -------------------------------------------------------------------------------------------- * Destructor. */ ~Routine(); /* -------------------------------------------------------------------------------------------- * Copy assignment operator. (disabled) */ Routine & operator = (const Routine & o) = delete; /* -------------------------------------------------------------------------------------------- * Move assignment operator. (disabled) */ Routine & operator = (Routine && o) = delete; /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare two instances of this type. */ Int32 Cmp(const Routine & o) const { return Cmp(static_cast< SQInteger >(o.m_Interval)); } /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare an instance of this type with an integer. */ Int32 Cmp(SQInteger interval) const { if (m_Interval == interval) return 0; else if (m_Interval > interval) return 1; else return -1; } /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare an instance of this type with an float. */ Int32 Cmp(SQFloat interval) const { return Cmp(static_cast< SQInteger >(interval)); } /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare an instance of this type with an string. */ Int32 Cmp(CSStr tag) const { return m_Tag.compare(tag); } /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare an instance of this type with a boolean. */ Int32 Cmp(bool suspended) const { if (m_Suspended == suspended) return 0; else if (m_Suspended > suspended) return 1; else return -1; } /* -------------------------------------------------------------------------------------------- * Used by the script engine to compare an instance of this type with a null pointer. */ Int32 Cmp(std::nullptr_t) const { if (m_Terminated == true) return 0; else return 1; } /* -------------------------------------------------------------------------------------------- * Used by the script engine to convert an instance of this type to a string. */ CSStr ToString() const; /* -------------------------------------------------------------------------------------------- * Used by the script engine to retrieve the name from instances of this type. */ static SQInteger Typename(HSQUIRRELVM vm); /* -------------------------------------------------------------------------------------------- * Retrieve the associated user tag. */ const String & GetTag() const; /* -------------------------------------------------------------------------------------------- * Modify the associated user tag. */ void SetTag(CSStr tag); /* -------------------------------------------------------------------------------------------- * Retrieve the associated user data. */ Object & GetData(); /* -------------------------------------------------------------------------------------------- * Modify the associated user data. */ void SetData(Object & data); /* -------------------------------------------------------------------------------------------- * Modify the associated user tag and allow chaining of operations. */ Routine & ApplyTag(CSStr tag); /* -------------------------------------------------------------------------------------------- * Modify the associated user data and allow chaining of operations. */ Routine & ApplyData(Object & data); /* -------------------------------------------------------------------------------------------- * Activate the routine instance. */ Routine & Activate(); /* -------------------------------------------------------------------------------------------- * Deactivate the routine instance. */ Routine & Deactivate(); /* -------------------------------------------------------------------------------------------- * Terminate this routine by deactivating and releasing all resources. */ Routine & Terminate(); /* -------------------------------------------------------------------------------------------- * Unmark this routine as terminated and allow to be activated. */ Routine & Reanimate(); /* -------------------------------------------------------------------------------------------- * Modify an explicit value to be passed as the specified argument. */ Routine & SetArg(Uint16 num, Object & val); /* -------------------------------------------------------------------------------------------- * Retrieve the value that is passed as the specified argument. */ Object & GetArg(Uint16 num); /* -------------------------------------------------------------------------------------------- * Retrieve the amount of time required to wait between calls to the routine. */ Interval GetInterval() const; /* -------------------------------------------------------------------------------------------- * Modify the amount of time required to wait between calls to the routine. */ void SetInterval(Interval interval); /* -------------------------------------------------------------------------------------------- * Retrieve the number of times that the routine can be called before terminating itself. */ Iterator GetIterations() const; /* -------------------------------------------------------------------------------------------- * Modify the number of times that the routine can be called before terminating itself. */ void SetIterations(Iterator iterations); /* -------------------------------------------------------------------------------------------- * Retrieve the number of arguments that are forwarded when executing the callback. */ Uint16 GetArguments() const; /* -------------------------------------------------------------------------------------------- * Modify the number of arguments that are forwarded when executing the callback. */ void SetArguments(Uint16 num); /* -------------------------------------------------------------------------------------------- * See whether the routine is suspended from further calls. */ bool GetSuspended() const; /* -------------------------------------------------------------------------------------------- * Set whether the routine is suspended from further calls. */ void SetSuspended(bool toggle); /* -------------------------------------------------------------------------------------------- * See whether the routine was terminated or not. */ bool GetTerminated() const; /* -------------------------------------------------------------------------------------------- * Retrieve the currently binded callback. */ Function & GetCallback(); /* -------------------------------------------------------------------------------------------- * Bind a certain function to be executed when this routine is triggered. */ void SetCallback(Object & env, Function & func); public: /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval. */ static Object Create(Object & env, Function & func, Interval interval); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval and explicit iterations. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval, explicit iterations and arguments. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval, explicit iterations and arguments. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval, explicit iterations and arguments. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval, explicit iterations and arguments. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3, Object & a4); /* -------------------------------------------------------------------------------------------- * Create a routine with just an interval, explicit iterations and arguments. */ static Object Create(Object & env, Function & func, Interval interval, Iterator iterations , Object & a1, Object & a2, Object & a3, Object & a4, Object & a5); /* -------------------------------------------------------------------------------------------- * Attempt to find a certain routine by its associated tag. */ static Object FindByTag(CSStr tag); }; } // Namespace:: SqMod #endif // _ROUTINE_HPP_