gzdoom/src/g_shared/a_pusher.h

#pragma once

// phares 3/20/98: added new model of Pushers for push/pull effects

class DPusher : public DThinker
{
	DECLARE_CLASS (DPusher, DThinker)
	HAS_OBJECT_POINTERS
	
	enum
	{
		PUSH_FACTOR = 128
	};

public:
	enum EPusher
	{
		p_push,
		p_pull,
		p_wind,
		p_current
	};

	void Construct(EPusher type, line_t *l, int magnitude, int angle, AActor *source, int affectee);
	void Serialize(FSerializer &arc);
	int CheckForSectorMatch (EPusher type, int tag);
	void ChangeValues (int magnitude, int angle)
	{
		DAngle ang = angle * (360. / 256.);
		m_PushVec = ang.ToVector(magnitude);
		m_Magnitude = magnitude;
	}

	void Tick ();

protected:
	EPusher m_Type;
	TObjPtr<AActor*> m_Source;// Point source if point pusher
	DVector2 m_PushVec;
	double m_Magnitude;		// Vector strength for point pusher
	double m_Radius;		// Effective radius for point pusher
	int m_Affectee;			// Number of affected sector

	friend bool PIT_PushThing (AActor *thing);
};