#include <imageparticle.h>

Inheritance diagram for ImageParticle:

Public Member Functions
	ImageParticle (Image *const image)

void	draw (Graphics *const graphics, const int offsetX, const int offsetY) const

void	setAlpha (const float alpha)

Public Member Functions inherited from Particle
	Particle ()

	~Particle ()

void	clear ()

bool	update ()

void	draw (Graphics *const graphics, const int offsetX, const int offsetY) const

int	getPixelY () const

int	getSortPixelY () const

Particle *	addEffect (const std::string &particleEffectFile, const int pixelX, const int pixelY, const int rotation)

void	addEmitter (ParticleEmitter *const emitter)

void	moveTo (const Vector &pos)

void	moveTo (const float x, const float y)

void	moveBy (const Vector &change)

void	setLifetime (const int lifetime)

void	setFadeOut (const int fadeOut)

void	setFadeIn (const int fadeIn)

void	setVelocity (const float x, const float y, const float z)

void	setGravity (const float gravity)

void	setRandomness (const int r)

void	setBounce (const float bouncieness)

void	setFollow (const bool follow)

bool	doesFollow () const

void	setDestination (Particle *const target, const float accel, const float moment)

void	setDieDistance (const float dist)

void	adjustEmitterSize (const int w, const int h)

void	setAllowSizeAdjust (const bool adjust)

bool	isAlive () const

void	prepareToDie ()

bool	isExtinct () const

void	kill ()

void	disableAutoDelete ()

int	getNumberOfLayers () const

float	getAlpha () const

void	setAlpha (const float alpha)

virtual void	setDeathEffect (const std::string &effectFile, const signed char conditions)

void	setActor (const BeingId actor)

Public Member Functions inherited from Actor
virtual	~Actor ()

virtual int	getWidth () const

virtual int	getHeight () const

const Vector &	getPixelPositionF () const

virtual void	setPixelPositionF (const Vector &pos)

int	getPixelX () const

virtual int	getTileX () const

virtual int	getTileY () const

virtual void	setMap (Map *const map)

const Map *	getMap () const

Static Public Attributes
static StringIntMap	imageParticleCountByName

Additional Inherited Members
Data Fields inherited from Actor
int	mPixelX

int	mPixelY

Protected Member Functions inherited from Particle
void	updateSelf ()

Protected Member Functions inherited from Actor
	Actor ()

Protected Attributes inherited from Particle
float	mAlpha

int	mLifetimeLeft

int	mLifetimePast

int	mFadeOut

int	mFadeIn

Vector	mVelocity

AliveStatusT	mAlive

ParticleTypeT	mType

SimpleAnimation *	mAnimation

Image *	mImage

BeingId	mActor

Protected Attributes inherited from Actor
Map *	mMap

Vector	mPos

int	mYDiff

Detailed Description

A particle that uses an image for its visualization.

Definition at line 36 of file imageparticle.h.

Constructor & Destructor Documentation

◆ ImageParticle()

ImageParticle::ImageParticle ( Image *const image )

explicit

Constructor. The image is reference counted by this particle.

Parameters

image an Image instance, may not be NULL

Definition at line 34 of file imageparticle.cpp.

  :
  Particle()
 {
  mType = ParticleType::Image;
  mImage = image;
  if (mImage != nullptr)
  {
  mImage->incRef();
  
  const std::string &restrict name = mImage->mIdPath;
  StringIntMapIter it
  = ImageParticle::imageParticleCountByName.find(name);
  if (it == ImageParticle::imageParticleCountByName.end())
  ImageParticle::imageParticleCountByName[name] = 1;
  else
  (*it).second ++;
  }
 }

References ParticleType::Image, imageParticleCountByName, Particle::mImage, Particle::mType, and restrict.

Member Function Documentation

◆ draw()

void ImageParticle::draw	(	Graphics *const	graphics,
		const int	offsetX,
		const int	offsetY
	)		const

virtual

Draws the particle image

Implements Actor.

Definition at line 53 of file imageparticle.cpp.

 {
  FUNC_BLOCK("ImageParticle::draw", 1)
  if (mAlive != AliveStatus::ALIVE || (mImage == nullptr))
  return;
  
  const int w = mImage->mBounds.w;
  const int h = mImage->mBounds.h;
  const int screenX = CAST_S32(mPos.x)
  + offsetX - w / 2;
  const int screenY = CAST_S32(mPos.y) - CAST_S32(mPos.z)
  + offsetY - h / 2;
  
  // Check if on screen
  if (screenX + w < 0 ||
  screenX > graphics->mWidth ||
  screenY + h < 0 ||
  screenY > graphics->mHeight)
  {
  return;
  }
  
  float alphafactor = mAlpha;
  
  if ((mFadeOut != 0) && mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut)
  {
  alphafactor *= static_cast<float>(mLifetimeLeft)
  / static_cast<float>(mFadeOut);
  }
  
  if ((mFadeIn != 0) && mLifetimePast < mFadeIn)
  {
  alphafactor *= static_cast<float>(mLifetimePast)
  / static_cast<float>(mFadeIn);
  }
  
  mImage->setAlpha(alphafactor);
  graphics->drawImage(mImage, screenX, screenY);
 }

References AliveStatus::ALIVE, CAST_S32, FUNC_BLOCK, and anonymous_namespace{mrand.cpp}::mPos.

◆ setAlpha()

void ImageParticle::setAlpha ( const float alpha )

inlinevirtual

Sets the alpha value used to draw the actor.

Implements Actor.

Definition at line 56 of file imageparticle.h.

57 { mAlpha = alpha; }

References Particle::mAlpha.

Field Documentation

◆ imageParticleCountByName

StringIntMap ImageParticle::imageParticleCountByName

static

Definition at line 59 of file imageparticle.h.

Referenced by ParticleEmitter::createParticles(), ImageParticle(), and Particle::~Particle().

The documentation for this class was generated from the following files:

src/particle/imageparticle.h (986a3bf)
src/particle/imageparticle.cpp (986a3bf)

Public Member Functions

Static Public Attributes

Additional Inherited Members