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/* $Id$ */

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/** @file squirrel.hpp declarations of the class for squirrel loader */

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#ifndef AI_SQUIRREL_HPP

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#define AI_SQUIRREL_HPP

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class AIControllerSquirrel: public AIController {

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private:

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	Squirrel *engine; ///< The Squirrel engine

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	HSQOBJECT SQ_instance;  ///< The internal instance of squirrel

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	/**

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	 * Registers all our classes, so it can be used from Squirrel.

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	 */

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	void RegisterClasses();

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public:

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	static const char *GetClassName() { return "AIController"; }

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	AIControllerSquirrel(const char *script_dir, const char *class_name);

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	~AIControllerSquirrel();

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	/* virtual */ void Start();

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	/* virtual */ void Stop();

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	uint GetTick() { return AIController::GetTick(); }

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	void Sleep(uint ticks) { return AIController::Sleep(ticks); }

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};

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class FSquirrel: public AIFactory<FSquirrel> {

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private:

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	Squirrel *engine; ///< The Squirrel engine

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	const char *current_script; ///< Temporary variable to know which script defines which class

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	/**

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	 * The constructor for when a script makes an instance of the Factory class.

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	 */

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	static SQInteger FactoryConstructor(HSQUIRRELVM vm);

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	/**

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	 * Scans a dir to see if there are dirs in it which have a file called 'main.nut'.

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	 *  If found it loads the script.

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	 */

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	void ScanDir(const char *dirname);

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public:

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	~FSquirrel();

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	/* virtual */ const char   *GetAuthor()      { return "OpenTTD Dev Team"; }

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	/* virtual */ const char   *GetName()        { return "Squirrel"; }

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	/* virtual */ const char   *GetDescription() { return "Squirrel Module for loading scripts"; }

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	/* virtual */ int           GetVersion()     { return 0; }

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	/* virtual */ const char   *GetDate()        { return ""; }

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	/* virtual */ AIController *CreateInstance() { return NULL; }

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	/* virtual */ bool          AllowStartup()   { return false; }

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	/* virtual */ void          Initializer();

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};

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#endif /* AI_SQUIRREL_HPP */