fsCParticleEmitter.h

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/********************************************************************
*
*       Created:        20/3/2014   11:09
*
*       File:           fsCParticleEmitter.h
*
*       Author:         Mick Waites
*       
*       Purpose:        Emits, updates and renders particles.
*
*********************************************************************/
 
#ifndef fsCParticleEmitterhdr
#define fsCParticleEmitterhdr
 
#include <vector>
#include <functional>
#include <memory>
 
#include <fsCore/fsPoint.h>
#include <fsCore/fsRect.h>
#include <fsCore/fsStr.h>
 
#include "../../fsIRenderable.h"
#include "fsCParticleDataInstance.h"
 
class fsCParticleData;
class fsIParticle;
class fsCResourceName;
class fsCEntity;
class fsIScene;
class fsCSprite;
class fsINative;
class fsIRenderableComponent;
class fsAffineMtx2d;
class fsCParticleCloud;
 
 
class fsCParticleEmitter : public fsIRenderable
{
public:
 
        const fsStr& collectableTypeGet() const;
 
        void particleCloudRegister(fsIParticleCloud* pSpawnCloud);
 
        fsS32 remainingParticleCountGet() const;
        fsBool collectableGet() const;
        fsS32 photoScoreGet(const fsRect& pScreenRect) const;
        fsBool hitTestAndCollect(const fsPoint& pPointerPos, std::function<void(fsIParticle* pParticle)> pCallBack);
        fsBool hitTest(const fsPoint& pPointerPos);
 
        void shortCircuit();
 
        fsBool preRunable() const;
        void preRun();
 
        void particleEmitterParentEntSet(fsCEntity* pParent);
 
        fsBool runsForeverGet() const;
 
        void spawnPositionUpdate(const fsPoint& pPos);
        void update(fsS32 pDeltaMs);
 
        fsBool particlesLinkToEmitterGet() const;
 
        fsBool isActiveGet() const;
        fsS32 numLiveParticlesGet() const;
 
    void initialise();
        fsCParticleEmitter(fsCParticleDataInstance pParticleData);
        virtual ~fsCParticleEmitter();
 
protected:
 
        void matrixApplyDo(const fsAffineMtx2d& pRenderMatrix) override;
        void renderDo() override;
 
private:
 
        void particlesUpdate(fsS32 pTimeDelta);
        void emptySlotsFill(fsS32 pTimeDelta);
 
 
        fsBool mStarted;
 
        fsF32 mParticleToEmitNow;
        fsS32 mElapsedTimeMs;
        fsS32 mNumLiveParticles;
 
        fsS32 mCollectableParticleCount;
        fsPoint mSpawnPosition;
 
        fsCEntity* mParent;
 
        fsIParticle* mHitTestParticle;
        fsCParticleDataInstance mParticleData;
 
        std::vector<std::unique_ptr<fsIParticle>> mParticles;
};
 
#endif