C4ParticleList Class Reference

#include <C4Particles.h>

Public Member Functions
	C4ParticleList (C4Object *obj=nullptr)
	C4ParticleList (const C4ParticleList &)=delete
C4ParticleList &	operator= (const C4ParticleList &)=delete
	~C4ParticleList ()
void	Lock ()
void	Unlock ()
void	Clear ()
void	Exec (float timeDelta=1.f)
void	Draw (C4TargetFacet cgo, C4Object *obj)
C4ParticleChunk *	GetFittingParticleChunk (C4ParticleDef *def, uint32_t blitMode, uint32_t attachment, bool alreadyLocked)
C4Particle *	AddNewParticle (C4ParticleDef *def, uint32_t blitMode, uint32_t attachment, bool alreadyLocked, int remaining=0)

Detailed Description

Definition at line 391 of file C4Particles.h.

Constructor & Destructor Documentation

C4ParticleList() [1/2]

C4ParticleList::C4ParticleList ( C4Object *  obj = nullptr )

inline

Definition at line 405 of file C4Particles.h.

                                            : targetObject(obj), lastAccessedChunk(nullptr)
    {
 
    }

C4ParticleList() [2/2]

C4ParticleList::C4ParticleList ( const C4ParticleList &  )

delete

~C4ParticleList()

C4ParticleList::~C4ParticleList ( )

inline

Definition at line 413 of file C4Particles.h.

{ Clear(); }

References Clear().

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Member Function Documentation

AddNewParticle()

C4Particle* C4ParticleList::AddNewParticle	(	C4ParticleDef *	def,
		uint32_t	blitMode,
		uint32_t	attachment,
		bool	alreadyLocked,
		int	remaining = 0
	)

Clear()

void C4ParticleList::Clear

(

)

Definition at line 1196 of file C4Particles.cpp.

{
    accessMutex.Enter();
 
    for (std::list<C4ParticleChunk*>::iterator iter = particleChunks.begin(); iter != particleChunks.end(); ++iter)
        delete *iter;
    particleChunks.clear();
 
    if (targetObject)
    {
        if (this == targetObject->FrontParticles) targetObject->FrontParticles = nullptr;
        else if (this == targetObject->BackParticles) targetObject->BackParticles = nullptr;
    }
    else
        if(this == ::Particles.globalParticles) ::Particles.globalParticles = nullptr;
 
    accessMutex.Leave();
}

References Particles.

Referenced by ~C4ParticleList().

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Draw()

void C4ParticleList::Draw	(	C4TargetFacet	cgo,
		C4Object *	obj
	)

Definition at line 1151 of file C4Particles.cpp.

{
    if (particleChunks.empty()) return;
 
    pDraw->DeactivateBlitModulation();
    pDraw->ResetBlitMode();
    
    glPrimitiveRestartIndex(0xffffffff);
    glEnable(GL_PRIMITIVE_RESTART);
 
    // enable shader
    C4ShaderCall call(pGL->GetSpriteShader(true, false, false));
    // apply zoom and upload shader uniforms
    StdProjectionMatrix modelview = StdProjectionMatrix::Identity();
    pGL->SetupMultiBlt(call, nullptr, 0, 0, 0, 0, &modelview);
    // go to correct output position (note the normal matrix is unaffected
    // by this)
    Translate(modelview, cgo.X-cgo.TargetX, cgo.Y-cgo.TargetY, 0.0f);
    // allocate texture unit for particle texture, and remember allocated
    // texture unit. Will be used for each particle chunk to bind
    // their texture to this unit.
    const GLint texUnit = call.AllocTexUnit(C4SSU_BaseTex);
 
    accessMutex.Enter();
 
    for (std::list<C4ParticleChunk*>::iterator iter = particleChunks.begin(); iter != particleChunks.end(); )
    {
        if ((*iter)->IsEmpty())
        {
            delete *iter;
            iter = particleChunks.erase(iter);
            lastAccessedChunk = 0;
        }
        else
        {
            (*iter)->Draw(cgo, obj, call, texUnit, modelview);
            ++iter;
        }
    }
 
    accessMutex.Leave();
 
    glDisable(GL_PRIMITIVE_RESTART);
}

References C4ShaderCall::AllocTexUnit(), C4SSU_BaseTex, C4Draw::DeactivateBlitModulation(), CStdGL::GetSpriteShader(), StdProjectionMatrix::Identity(), pDraw, pGL, C4Draw::ResetBlitMode(), CStdGL::SetupMultiBlt(), C4TargetFacet::TargetX, C4TargetFacet::TargetY, Translate(), C4Facet::X, and C4Facet::Y.

Referenced by C4Object::Draw(), and C4ParticleSystem::DrawGlobalParticles().

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Exec()

void C4ParticleList::Exec

(

float

timeDelta = 1.f

)

Definition at line 1136 of file C4Particles.cpp.

{
    if (particleChunks.empty()) return;
 
    accessMutex.Enter();
 
    for (std::list<C4ParticleChunk*>::iterator iter = particleChunks.begin(); iter != particleChunks.end();++iter)
    {
        C4ParticleChunk *chunk = *iter;
        chunk->Exec(targetObject, timeDelta);
    }
 
    accessMutex.Leave();
}

References C4ParticleChunk::Exec().

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GetFittingParticleChunk()

C4ParticleChunk * C4ParticleList::GetFittingParticleChunk	(	C4ParticleDef *	def,
		uint32_t	blitMode,
		uint32_t	attachment,
		bool	alreadyLocked
	)

Definition at line 1215 of file C4Particles.cpp.

{
    if (!alreadyLocked)
        accessMutex.Enter();
 
    // if not cached, find correct chunk in list
    C4ParticleChunk *chunk = 0;
    if (lastAccessedChunk && lastAccessedChunk->IsOfType(def, blitMode, attachment))
        chunk = lastAccessedChunk;
    else
    {
        for (std::list<C4ParticleChunk*>::iterator iter = particleChunks.begin(); iter != particleChunks.end(); ++iter)
        {
            C4ParticleChunk *current = *iter;
            if (!current->IsOfType(def, blitMode, attachment)) continue;
            chunk = current;
            break;
        }
    }
 
    // add new chunk?
    if (!chunk)
    {
        particleChunks.push_back(new C4ParticleChunk());
        chunk = particleChunks.back();
        chunk->sourceDefinition = def;
        chunk->blitMode = blitMode;
        chunk->attachment = attachment;
    }
 
    assert(chunk && "No suitable particle chunk could be found or created.");
    lastAccessedChunk = chunk;
 
    if (!alreadyLocked)
        accessMutex.Leave();
    
    return chunk;
}

References C4Particle::C4ParticleChunk, and C4ParticleChunk::IsOfType().

Referenced by C4ParticleSystem::Create().

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Lock()

void C4ParticleList::Lock ( )

inline

Definition at line 416 of file C4Particles.h.

{ accessMutex.Enter(); }

References CStdCSec::Enter().

Referenced by C4ParticleSystem::Create().

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operator=()

C4ParticleList& C4ParticleList::operator= ( const C4ParticleList &  )

delete

Unlock()

void C4ParticleList::Unlock ( )

inline

Definition at line 417 of file C4Particles.h.

{ accessMutex.Leave(); }

References CStdCSec::Leave().

Referenced by C4ParticleSystem::Create().

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

• C4Particles.h
• C4Particles.cpp