C4ParticleProperties Class Reference

#include <C4Particles.h>

Collaboration diagram for C4ParticleProperties:

Public Member Functions
void	SetCollisionFunc (const C4Value &source)
	C4ParticleProperties ()
void	Set (C4PropList *dataSource)
void	Floatify ()
bool	CollisionDie (C4Particle *forParticle)
bool	CollisionBounce (C4Particle *forParticle)
bool	CollisionStop (C4Particle *forParticle)

Public Attributes
bool	hasConstantColor
bool	hasCollisionVertex
C4ParticleValueProvider	size
C4ParticleValueProvider	stretch
C4ParticleValueProvider	forceX
C4ParticleValueProvider	forceY
C4ParticleValueProvider	speedDampingX
C4ParticleValueProvider	speedDampingY
C4ParticleValueProvider	colorR
C4ParticleValueProvider	colorG
C4ParticleValueProvider	colorB
C4ParticleValueProvider	colorAlpha
C4ParticleValueProvider	rotation
C4ParticleValueProvider	phase
C4ParticleValueProvider	collisionVertex
C4ParticleValueProvider	collisionDensity
float	bouncyness
C4ParticleCollisionCallback	collisionCallback
uint32_t	blitMode
uint32_t	attachment

Detailed Description

Definition at line 199 of file C4Particles.h.

Constructor & Destructor Documentation

C4ParticleProperties()

C4ParticleProperties::C4ParticleProperties

(

)

Definition at line 701 of file C4Particles.cpp.

{
    blitMode = 0;
    attachment = C4ATTACH_None;
    hasConstantColor = false;
    hasCollisionVertex = false;
    collisionCallback = 0;
    bouncyness = 0.f;
 
    // all values in pre-floatified range (f.e. 0..255 instead of 0..1)
    collisionDensity.Set(static_cast<float>(C4M_Solid));
    collisionVertex.Set(0.f);
    size.Set(8.f);
    stretch.Set(1000.f);
    forceX.Set(0.f);
    forceY.Set(0.f);
    speedDampingX.Set(1000.f);
    speedDampingY.Set(1000.f);
    colorR.Set(255.f);
    colorG.Set(255.f);
    colorB.Set(255.f);
    colorAlpha.Set(255.f);
    rotation.Set(0.f);
    phase.Set(0.f);
}

References C4ATTACH_None, and C4M_Solid.

Member Function Documentation

CollisionBounce()

bool C4ParticleProperties::CollisionBounce

(

C4Particle *

forParticle

)

Definition at line 868 of file C4Particles.cpp.

{
    forParticle->currentSpeedX = -forParticle->currentSpeedX * bouncyness;
    forParticle->currentSpeedY = -forParticle->currentSpeedY * bouncyness;
    return true;
}

References C4Particle::currentSpeedX, and C4Particle::currentSpeedY.

Referenced by SetCollisionFunc().

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CollisionDie()

bool C4ParticleProperties::CollisionDie ( C4Particle *  forParticle )

inline

Definition at line 229 of file C4Particles.h.

{ return false; }

Referenced by SetCollisionFunc().

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CollisionStop()

bool C4ParticleProperties::CollisionStop

(

C4Particle *

forParticle

)

Definition at line 875 of file C4Particles.cpp.

{
    forParticle->currentSpeedX = 0.f;
    forParticle->currentSpeedY = 0.f;
    return true;
}

References C4Particle::currentSpeedX, and C4Particle::currentSpeedY.

Referenced by SetCollisionFunc().

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Floatify()

void C4ParticleProperties::Floatify

(

)

Definition at line 727 of file C4Particles.cpp.

{
    bouncyness /= 1000.f;
 
    collisionDensity.Floatify(1.f);
    collisionVertex.Floatify(1000.f);
    size.Floatify(2.f);
    stretch.Floatify(1000.f);
    forceX.Floatify(100.f);
    forceY.Floatify(100.f);
    speedDampingX.Floatify(1000.f);
    speedDampingY.Floatify(1000.f);
    colorR.Floatify(255.f);
    colorG.Floatify(255.f);
    colorB.Floatify(255.f);
    colorAlpha.Floatify(255.f);
    rotation.Floatify(180.0f / (float)M_PI);
    phase.Floatify(1.f);
 
    hasConstantColor = colorR.IsConstant() && colorG.IsConstant() && colorB.IsConstant() && colorAlpha.IsConstant();
}

Referenced by C4ParticleSystem::Create().

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Set()

void C4ParticleProperties::Set

(

C4PropList *

dataSource

)

Definition at line 749 of file C4Particles.cpp.

{
    if (!dataSource) return;
 
    C4PropList::Iterator iter = dataSource->begin(), end = dataSource->end();
 
    for (;iter != end; ++iter)
    {
        const C4Property * p = *iter;
        C4String *key = p->Key;
        assert(key && "PropList returns non-string as key");
        const C4Value &property = p->Value;
 
        if(&Strings.P[P_R] == key)
        {
            colorR.Set(property);
        }
        else if(&Strings.P[P_G] == key)
        {
            colorG.Set(property);
        }
        else if(&Strings.P[P_B] == key)
        {
            colorB.Set(property);
        }
        else if(&Strings.P[P_Alpha] == key)
        {
            colorAlpha.Set(property);
        }
        else if(&Strings.P[P_ForceX] == key)
        {
            forceX.Set(property);
        }
        else if(&Strings.P[P_ForceY] == key)
        {
            forceY.Set(property);
        }
        else if(&Strings.P[P_DampingX] == key)
        {
            speedDampingX.Set(property);
        }
        else if(&Strings.P[P_DampingY] == key)
        {
            speedDampingY.Set(property);
        }
        else if(&Strings.P[P_Size] == key)
        {
            size.Set(property);
        }
        else if(&Strings.P[P_Stretch] == key)
        {
            stretch.Set(property);
        }
        else if(&Strings.P[P_Rotation] == key)
        {
            rotation.Set(property);
        }
        else if(&Strings.P[P_BlitMode] == key)
        {
            // needs to be constant
            blitMode = (uint32_t) property.getInt();
        }
        else if(&Strings.P[P_Attach] == key)
        {
            // needs to be constant
            attachment = (uint32_t) property.getInt();
        }
        else if(&Strings.P[P_Phase] == key)
        {
            phase.Set(property);
        }
        else if(&Strings.P[P_CollisionVertex] == key)
        {
            collisionVertex.Set(property);
            if (property.GetType() != C4V_Nil)
                hasCollisionVertex = true;
        }
        else if (&Strings.P[P_CollisionDensity] == key)
        {
            collisionDensity.Set(property);
        }
        else if(&Strings.P[P_OnCollision] == key)
        {
            SetCollisionFunc(property);
        }
    }
 
}

References C4PropList::begin(), C4V_Nil, C4PropList::end(), C4Property::Key, C4StringTable::P, P_Alpha, P_Attach, P_B, P_BlitMode, P_CollisionDensity, P_CollisionVertex, P_DampingX, P_DampingY, P_ForceX, P_ForceY, P_G, P_OnCollision, P_Phase, P_R, P_Rotation, P_Size, P_Stretch, C4Value::Set(), Strings, and C4Property::Value.

Referenced by C4ParticleSystem::Create().

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SetCollisionFunc()

void C4ParticleProperties::SetCollisionFunc

(

const C4Value &

source

)

Definition at line 838 of file C4Particles.cpp.

{
    C4ValueArray *valueArray;
    if (!(valueArray = source.getArray())) return;
 
    int arraySize = valueArray->GetSize();
    if (arraySize < 1) return;
 
    int type = (*valueArray)[0].getInt();
 
    switch (type)
    {
    case C4PC_Die:
        collisionCallback = &C4ParticleProperties::CollisionDie;
        break;
    case C4PC_Bounce:
        collisionCallback = &C4ParticleProperties::CollisionBounce;
        bouncyness = 1.f;
        if (arraySize >= 2)
            bouncyness = ((float)(*valueArray)[1].getInt());
        break;
    case C4PC_Stop:
        collisionCallback = &C4ParticleProperties::CollisionStop;
        break;
    default:
        assert(false);
        break;
    }
}

References C4PC_Bounce, C4PC_Die, C4PC_Stop, CollisionBounce(), CollisionDie(), CollisionStop(), C4Value::getArray(), and C4ValueArray::GetSize().

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Member Data Documentation

attachment

uint32_t C4ParticleProperties::attachment

Definition at line 219 of file C4Particles.h.

Referenced by C4ParticleSystem::Create().

blitMode

uint32_t C4ParticleProperties::blitMode

Definition at line 217 of file C4Particles.h.

Referenced by C4ParticleSystem::Create().

bouncyness

float C4ParticleProperties::bouncyness

Definition at line 213 of file C4Particles.h.

collisionCallback

C4ParticleCollisionCallback C4ParticleProperties::collisionCallback

Definition at line 214 of file C4Particles.h.

Referenced by C4Particle::Exec().

collisionDensity

C4ParticleValueProvider C4ParticleProperties::collisionDensity

Definition at line 211 of file C4Particles.h.

Referenced by C4Particle::Exec().

collisionVertex

C4ParticleValueProvider C4ParticleProperties::collisionVertex

Definition at line 211 of file C4Particles.h.

Referenced by C4Particle::Exec().

colorAlpha

C4ParticleValueProvider C4ParticleProperties::colorAlpha

Definition at line 208 of file C4Particles.h.

Referenced by C4ParticleSystem::Create(), and C4Particle::Exec().

colorB

C4ParticleValueProvider C4ParticleProperties::colorB

Definition at line 208 of file C4Particles.h.

Referenced by C4ParticleSystem::Create(), and C4Particle::Exec().

colorG

C4ParticleValueProvider C4ParticleProperties::colorG

Definition at line 208 of file C4Particles.h.

Referenced by C4ParticleSystem::Create(), and C4Particle::Exec().

colorR

C4ParticleValueProvider C4ParticleProperties::colorR

Definition at line 208 of file C4Particles.h.

Referenced by C4ParticleSystem::Create(), and C4Particle::Exec().

forceX

C4ParticleValueProvider C4ParticleProperties::forceX

Definition at line 206 of file C4Particles.h.

Referenced by C4Particle::Exec().

forceY

C4ParticleValueProvider C4ParticleProperties::forceY

Definition at line 206 of file C4Particles.h.

Referenced by C4Particle::Exec().

hasCollisionVertex

bool C4ParticleProperties::hasCollisionVertex

Definition at line 203 of file C4Particles.h.

Referenced by C4Particle::Exec().

hasConstantColor

bool C4ParticleProperties::hasConstantColor

Definition at line 202 of file C4Particles.h.

Referenced by C4Particle::Exec().

phase

C4ParticleValueProvider C4ParticleProperties::phase

Definition at line 210 of file C4Particles.h.

Referenced by C4ParticleSystem::Create(), and C4Particle::Exec().

rotation

C4ParticleValueProvider C4ParticleProperties::rotation

Definition at line 209 of file C4Particles.h.

Referenced by C4Particle::Exec(), and C4Particle::SetPosition().

size

C4ParticleValueProvider C4ParticleProperties::size

Definition at line 205 of file C4Particles.h.

Referenced by C4Particle::Exec(), and C4Particle::SetPosition().

speedDampingX

C4ParticleValueProvider C4ParticleProperties::speedDampingX

Definition at line 207 of file C4Particles.h.

Referenced by C4Particle::Exec().

speedDampingY

C4ParticleValueProvider C4ParticleProperties::speedDampingY

Definition at line 207 of file C4Particles.h.

Referenced by C4Particle::Exec().

stretch

C4ParticleValueProvider C4ParticleProperties::stretch

Definition at line 205 of file C4Particles.h.

Referenced by C4Particle::Exec().

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

• C4Particles.h
• C4Particles.cpp