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/*
   base/jumppoint.h
   This file is part of the Osirion project and is distributed under 
   the terms and conditions of the GNU General Public License version 2 
*/

#ifndef __INCLUDED_BASE_JUMPPOINT_H__
#define __INCLUDED_BASE_JUMPPOINT_H__

#include "core/entity.h"
#include "math/mathlib.h"

#include <string>

namespace game {

/// a jumppoint
/**
 * jumppoints are used to define hyperspace routes between systems
 * when a ship actives the jump drive, a jump point will be opened
 * between the current system and the target of the nearest jumppoint.
 *
 */
class JumpPoint : public core::EntityDynamic {
public:
	JumpPoint();
	virtual ~JumpPoint();

	inline std::string const & targetlabel() { return jumppoint_targetlabel; }

	inline JumpPoint *target() { return jumppoint_target; }

	/// set trget label
	void set_targetlabel(const std::string &label);

	/// validate the targetlabel and set target()
	void validate();

private:
	std::string	jumppoint_targetlabel;
	JumpPoint	*jumppoint_target;
};

/// a jumpgate
class JumpGate : public JumpPoint {
public:
	JumpGate();
	virtual ~JumpGate();

	inline bool activated() const { return (jumpgate_timer > 0); }

	void activate();

	virtual void frame(float elapsed);
private:
	float			jumpgate_timer;
};

}

#endif // __INCLUDED_BASE_JUMPPOINT_H__