axmol/extensions/Particle3D/PU/CCPUScaleAffector.cpp

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axis-project.github.io/

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 of this software and associated documentation files (the "Software"), to deal
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 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 ****************************************************************************/

#include "CCPUScaleAffector.h"
#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"

NS_AX_BEGIN

// Constants
const float PUScaleAffector::DEFAULT_X_SCALE   = 1.0f;
const float PUScaleAffector::DEFAULT_Y_SCALE   = 1.0f;
const float PUScaleAffector::DEFAULT_Z_SCALE   = 1.0f;
const float PUScaleAffector::DEFAULT_XYZ_SCALE = 1.0f;

//-----------------------------------------------------------------------
PUScaleAffector::PUScaleAffector()
    : PUAffector()
    , _dynScaleXSet(false)
    , _dynScaleYSet(false)
    , _dynScaleZSet(false)
    , _dynScaleXYZSet(false)
    , _sinceStartSystem(false)
{
    _dynScaleX   = new PUDynamicAttributeFixed();
    _dynScaleY   = new PUDynamicAttributeFixed();
    _dynScaleZ   = new PUDynamicAttributeFixed();
    _dynScaleXYZ = new PUDynamicAttributeFixed();
    (static_cast<PUDynamicAttributeFixed*>(_dynScaleX))->setValue(DEFAULT_X_SCALE);
    (static_cast<PUDynamicAttributeFixed*>(_dynScaleY))->setValue(DEFAULT_Y_SCALE);
    (static_cast<PUDynamicAttributeFixed*>(_dynScaleZ))->setValue(DEFAULT_Z_SCALE);
    (static_cast<PUDynamicAttributeFixed*>(_dynScaleXYZ))->setValue(DEFAULT_XYZ_SCALE);
    _latestTimeElapsed = 1.0f;
}
//-----------------------------------------------------------------------
PUScaleAffector::~PUScaleAffector()
{
    if (_dynScaleX)
    {
        AX_SAFE_DELETE(_dynScaleX);
    }
    if (_dynScaleY)
    {
        AX_SAFE_DELETE(_dynScaleY);
    }
    if (_dynScaleZ)
    {
        AX_SAFE_DELETE(_dynScaleZ);
    }
    if (_dynScaleXYZ)
    {
        AX_SAFE_DELETE(_dynScaleXYZ);
    }
}
//-----------------------------------------------------------------------
void PUScaleAffector::setDynScaleX(PUDynamicAttribute* dynScaleX)
{
    if (_dynScaleX)
        AX_SAFE_DELETE(_dynScaleX);

    _dynScaleX    = dynScaleX;
    _dynScaleXSet = true;
}
//-----------------------------------------------------------------------
void PUScaleAffector::resetDynScaleX(bool resetToDefault)
{
    if (resetToDefault)
    {
        AX_SAFE_DELETE(_dynScaleX);
        _dynScaleX = new PUDynamicAttributeFixed();
        (static_cast<PUDynamicAttributeFixed*>(_dynScaleX))->setValue(DEFAULT_X_SCALE);
        _dynScaleXSet = false;
    }
    else
    {
        _dynScaleXSet = true;
    }
}
//-----------------------------------------------------------------------
void PUScaleAffector::setDynScaleY(PUDynamicAttribute* dynScaleY)
{
    if (_dynScaleY)
        AX_SAFE_DELETE(_dynScaleY);

    _dynScaleY    = dynScaleY;
    _dynScaleYSet = true;
}
//-----------------------------------------------------------------------
void PUScaleAffector::resetDynScaleY(bool resetToDefault)
{
    if (resetToDefault)
    {

        AX_SAFE_DELETE(_dynScaleY);
        _dynScaleY = new PUDynamicAttributeFixed();
        (static_cast<PUDynamicAttributeFixed*>(_dynScaleY))->setValue(DEFAULT_X_SCALE);
        _dynScaleYSet = false;
    }
    else
    {
        _dynScaleYSet = true;
    }
}
//-----------------------------------------------------------------------
void PUScaleAffector::setDynScaleZ(PUDynamicAttribute* dynScaleZ)
{
    if (_dynScaleZ)
        AX_SAFE_DELETE(_dynScaleZ);

    _dynScaleZ    = dynScaleZ;
    _dynScaleZSet = true;
}
//-----------------------------------------------------------------------
void PUScaleAffector::resetDynScaleZ(bool resetToDefault)
{
    if (resetToDefault)
    {
        AX_SAFE_DELETE(_dynScaleZ);
        _dynScaleZ = new PUDynamicAttributeFixed();
        (static_cast<PUDynamicAttributeFixed*>(_dynScaleZ))->setValue(DEFAULT_X_SCALE);
        _dynScaleYSet = false;
    }
    else
    {
        _dynScaleYSet = true;
    }
}
//-----------------------------------------------------------------------
void PUScaleAffector::setDynScaleXYZ(PUDynamicAttribute* dynScaleXYZ)
{
    if (_dynScaleXYZ)
        AX_SAFE_DELETE(_dynScaleXYZ);

    _dynScaleXYZ    = dynScaleXYZ;
    _dynScaleXYZSet = true;
}
//-----------------------------------------------------------------------
void PUScaleAffector::resetDynScaleXYZ(bool resetToDefault)
{
    if (resetToDefault)
    {
        AX_SAFE_DELETE(_dynScaleXYZ);
        _dynScaleXYZ = new PUDynamicAttributeFixed();
        (static_cast<PUDynamicAttributeFixed*>(_dynScaleXYZ))->setValue(DEFAULT_XYZ_SCALE);
        _dynScaleXYZSet = false;
    }
    else
    {
        _dynScaleXYZSet = true;
    }
}
//-----------------------------------------------------------------------
float PUScaleAffector::calculateScale(PUDynamicAttribute* dynScale, PUParticle3D* particle)
{
    if (!particle)
        return 0.0f;

    if (_sinceStartSystem)
    {
        // If control points are used (curved type), the first value of each control point is seconds from the start of
        // the system
        return _dynamicAttributeHelper.calculate(
            dynScale, (static_cast<PUParticleSystem3D*>(_particleSystem))->getTimeElapsedSinceStart());
    }
    else
    {
        // If control points are used (curved type), the first value of each control point is the fraction of the
        // particle lifetime [0..1]
        return _dynamicAttributeHelper.calculate(dynScale, particle->timeFraction);
    }
}

void PUScaleAffector::updatePUAffector(PUParticle3D* particle, float deltaTime)
{

    //// Only continue if the particle is a visual particle
    // if (particle->particleType != Particle::PT_VISUAL)
    //	return;
    // for (auto&& iter : _particleSystem->getParticles())
    {
        // PUParticle3D *particle = iter;
        float ds        = 0;
        float width     = 0;
        float height    = 0;
        float depth     = 0;
        float dimension = 0;  // Added in V1.4

        if (_dynScaleXYZSet)
        {
            ds = calculateScale(_dynScaleXYZ, particle) * deltaTime * calculateAffectSpecialisationFactor(particle);
            dimension = particle->width + ds * _affectorScale.x;
            if (dimension > 0)
            {
                width = dimension;
            }
            dimension = particle->height + ds * _affectorScale.y;
            if (dimension > 0)
            {
                height = dimension;
            }
            dimension = particle->depth + ds * _affectorScale.z;
            if (dimension > 0)
            {
                depth = dimension;
            }
            particle->setOwnDimensions(width, height, depth);
        }
        else
        {
            if (_dynScaleXSet)
            {
                ds        = calculateScale(_dynScaleX, particle) * deltaTime;
                dimension = particle->width + ds * _affectorScale.x;
                if (dimension > 0)
                {
                    width = dimension;
                }
            }
            if (_dynScaleYSet)
            {
                ds        = calculateScale(_dynScaleY, particle) * deltaTime;
                dimension = particle->height + ds * _affectorScale.y;
                if (dimension > 0)
                {
                    height = dimension;
                }
            }
            if (_dynScaleZSet)
            {
                ds        = calculateScale(_dynScaleZ, particle) * deltaTime;
                dimension = particle->depth + ds * _affectorScale.z;
                if (dimension > 0)
                {
                    depth = dimension;
                }
            }
            particle->setOwnDimensions(width, height, depth);
        }
    }
}

PUScaleAffector* PUScaleAffector::create()
{
    auto psa = new PUScaleAffector();
    psa->autorelease();
    return psa;
}

void PUScaleAffector::copyAttributesTo(PUAffector* affector)
{
    PUAffector::copyAttributesTo(affector);

    PUScaleAffector* scaleAffector = static_cast<PUScaleAffector*>(affector);
    scaleAffector->setDynScaleX(getDynScaleX()->clone());
    scaleAffector->setDynScaleY(getDynScaleY()->clone());
    scaleAffector->setDynScaleZ(getDynScaleZ()->clone());
    scaleAffector->setDynScaleXYZ(getDynScaleXYZ()->clone());
    scaleAffector->_dynScaleXSet     = _dynScaleXSet;
    scaleAffector->_dynScaleYSet     = _dynScaleYSet;
    scaleAffector->_dynScaleZSet     = _dynScaleZSet;
    scaleAffector->_dynScaleXYZSet   = _dynScaleXYZSet;
    scaleAffector->_sinceStartSystem = _sinceStartSystem;
}

NS_AX_END