ParticleBuffer Class Reference

#include <particles.h>

Inheritance diagram for ParticleBuffer:

Collaboration diagram for ParticleBuffer:

Public Member Functions
	ParticleBuffer (ClientEnvironment *env, const video::SMaterial &material)
std::optional< u16 >	allocate ()
	Reserves one more slot for a particle (4 vertices, 6 indices)
void	release (u16 index)
	Frees the particle at index
video::S3DVertex *	getVertices (u16 index)
bool	isEmpty () const
virtual video::SMaterial &	getMaterial (u32 num) override
virtual u32	getMaterialCount () const override
virtual const core::aabbox3df &	getBoundingBox () const override
virtual void	render () override
virtual void	OnRegisterSceneNode () override

Static Public Attributes
static constexpr u16	MAX_PARTICLES_PER_BUFFER = 16000

Private Attributes
irr_ptr< scene::SMeshBuffer >	m_mesh_buffer
std::vector< u16 >	m_free_list
float	m_usage_timer = 0
u16	m_count = 0
bool	m_bounding_box_dirty = true

Friends
class	ParticleManager

Constructor & Destructor Documentation

ParticleBuffer()

ParticleBuffer::ParticleBuffer	(	ClientEnvironment *	env,
		const video::SMaterial &	material )

References m_mesh_buffer.

Member Function Documentation

allocate()

std::optional< u16 > ParticleBuffer::allocate

(

)

Reserves one more slot for a particle (4 vertices, 6 indices)

Returns

particle index within buffer

References m_count, m_free_list, m_mesh_buffer, m_usage_timer, MAX_PARTICLES_PER_BUFFER, and quad_indices.

Referenced by Particle::attachToBuffer().

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getBoundingBox()

const core::aabbox3df & ParticleBuffer::getBoundingBox ( ) const

overridevirtual

References m_bounding_box_dirty, m_count, m_mesh_buffer, and quad_indices.

getMaterial()

virtual video::SMaterial & ParticleBuffer::getMaterial ( u32 num )

inlineoverridevirtual

References m_mesh_buffer.

getMaterialCount()

virtual u32 ParticleBuffer::getMaterialCount ( ) const

inlineoverridevirtual

getVertices()

video::S3DVertex * ParticleBuffer::getVertices

(

u16

index

)

Returns

video::S3DVertex[4]

References m_bounding_box_dirty, m_count, and m_mesh_buffer.

Referenced by Particle::updateVertices().

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isEmpty()

bool ParticleBuffer::isEmpty ( ) const

inline

References m_count, and m_free_list.

Referenced by render().

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OnRegisterSceneNode()

void ParticleBuffer::OnRegisterSceneNode ( )

overridevirtual

References m_mesh_buffer.

release()

void ParticleBuffer::release

(

u16

index

)

Frees the particle at index

References m_count, m_free_list, and m_mesh_buffer.

Referenced by Particle::~Particle().

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render()

void ParticleBuffer::render ( )

overridevirtual

References isEmpty(), and m_mesh_buffer.

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Friends And Related Symbol Documentation

ParticleManager

friend class ParticleManager

friend

Member Data Documentation

m_bounding_box_dirty

bool ParticleBuffer::m_bounding_box_dirty = true

mutableprivate

Referenced by getBoundingBox(), and getVertices().

m_count

u16 ParticleBuffer::m_count = 0

private

Referenced by allocate(), getBoundingBox(), getVertices(), isEmpty(), and release().

m_free_list

std::vector<u16> ParticleBuffer::m_free_list

private

Referenced by allocate(), isEmpty(), and release().

m_mesh_buffer

irr_ptr<scene::SMeshBuffer> ParticleBuffer::m_mesh_buffer

private

Referenced by ParticleBuffer(), allocate(), getBoundingBox(), getMaterial(), getVertices(), OnRegisterSceneNode(), release(), and render().

m_usage_timer

float ParticleBuffer::m_usage_timer = 0

private

Referenced by allocate().

MAX_PARTICLES_PER_BUFFER

u16 ParticleBuffer::MAX_PARTICLES_PER_BUFFER = 16000

staticconstexpr

Referenced by allocate().

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

• client/particles.h
• client/particles.cpp