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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _EXPLOSION_LISTENER_H
#define _EXPLOSION_LISTENER_H
#include "System/float3.h"
#include <set>
struct WeaponDef;
class CExplosionEvent {
public:
CExplosionEvent(const float3& pos, float damage, float radius,
const WeaponDef* weaponDef)
: pos(pos)
, damage(damage)
, radius(radius)
, weaponDef(weaponDef)
{}
const float3& GetPos() const { return pos; }
float GetDamage() const { return damage; }
float GetRadius() const { return radius; }
const WeaponDef* GetWeaponDef() const { return weaponDef; }
private:
float3 pos;
float damage;
float radius;
const WeaponDef* weaponDef;
};
class IExplosionListener
{
public:
/**
* Informs listeners about an explosion that has occured.
* @see EventClient#Explosion
*/
virtual void ExplosionOccurred(const CExplosionEvent& event) = 0;
protected:
~IExplosionListener() {}
};
/**
* This is meant to be inherited by classes that may generate CExplosionEvent's.
*/
class CExplosionCreator
{
public:
void AddExplosionListener(IExplosionListener* listener);
void RemoveExplosionListener(IExplosionListener* listener);
protected:
/**
* Sends the event to all registered listeners.
*/
void FireExplosionEvent(const CExplosionEvent& event);
private:
std::set<IExplosionListener*> explosionListeners;
};
#endif /* _EXPLOSION_LISTENER_H */
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