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axmol/extensions/Particle3D/ParticleUniverse/CCPUParticleSystem3D.cpp

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/****************************************************************************
Copyright (C) 2013 Henry van Merode. All rights reserved.
Copyright (c) 2015 Chukong Technologies Inc.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "extensions/Particle3D/ParticleUniverse/CCPUParticleSystem3D.h"
#include "extensions/Particle3D/ParticleUniverse/ParticleEmitters/CCPUParticle3DEmitter.h"
#include "extensions/Particle3D/ParticleUniverse/ParticleAffectors/CCPUParticle3DAffector.h"
#include "extensions/Particle3D/CCParticle3DRender.h"
#include "extensions/Particle3D/ParticleUniverse/CCPUParticle3DScriptCompiler.h"
#include "extensions/Particle3D/ParticleUniverse/CCPUParticle3DMaterialManager.h"
#include "extensions/Particle3D/ParticleUniverse/CCPUParticle3DTranslateManager.h"
#include "platform/CCFileUtils.h"
NS_CC_BEGIN
float PUParticle3D::DEFAULT_TTL = 10.0f;
float PUParticle3D::DEFAULT_MASS = 1.0f;
float PUParticle3D::calculateVelocity() const
{
if (originalScaledDirectionLength != 0)
{
return originalVelocity * (direction.length() / originalScaledDirectionLength);
}
else
{
// Assume originalScaledDirectionLength to be 1.0 (unit vector)
return originalVelocity * direction.length();
}
}
void PUParticle3D::setOwnDimensions( float newWidth, float newHeight, float newDepth )
{
ownDimensions = true;
if (newWidth)
width = newWidth;
if (newHeight)
height = newHeight;
if (newDepth)
depth = newDepth;
calculateBoundingSphereRadius();
//parentEmitter->getParentTechnique()->_notifyParticleResized();
}
void PUParticle3D::calculateBoundingSphereRadius()
{
//radius = 0.5 * Math::Sqrt(width*width + height*height + depth*depth);
radius = 0.5f * std::max(depth, std::max(width, height)); // approximation
}
void PUParticle3D::initForEmission()
{
eventFlags = 0;
timeFraction = 0.0f;
/* Note, that this flag must only be set as soon as the particle is emitted. As soon as the particle has
been moved once, the flag must be removed again.
*/
addEventFlags(PUParticle3D::PEF_EMITTED);
// Reset freeze flag
freezed = false;
}
PUParticle3D::PUParticle3D():
//position(Vec3::ZERO),
direction(Vec3::ZERO),
timeToLive(DEFAULT_TTL),
totalTimeToLive(DEFAULT_TTL),
timeFraction(0.0f),
mass(DEFAULT_MASS),
eventFlags(0),
freezed(false),
originalPosition(Vec3::ZERO),
latestPosition(Vec3::ZERO),
originalDirection(Vec3::ZERO),
originalDirectionLength(0.0f),
originalScaledDirectionLength(0.0f),
originalVelocity(0.0f),
parentEmitter(nullptr),
//color(Vec4::ONE),
originalColor(Vec4::ONE),
//zRotation(0.0f),
zRotationSpeed(0.0f),
rotationSpeed(0.0f),
rotationAxis(Vec3::UNIT_Z),
ownDimensions(false),
radius(0.87f),
textureAnimationTimeStep(0.1f),
textureAnimationTimeStepCount(0.0f),
textureCoordsCurrent(0),
textureAnimationDirectionUp(true),
depthInView(0.0f),
zRotation(0.0f),
widthInWorld(width),
heightInWorld(height),
depthInWorld(depth)
{
}
//-----------------------------------------------------------------------
const float PUParticleSystem3D::DEFAULT_WIDTH = 50;
const float PUParticleSystem3D::DEFAULT_HEIGHT = 50;
const float PUParticleSystem3D::DEFAULT_DEPTH = 50;
const unsigned short PUParticleSystem3D::DEFAULT_PARTICLE_QUOTA = 500;
const float PUParticleSystem3D::DEFAULT_MAX_VELOCITY = 9999.0f;
PUParticleSystem3D::PUParticleSystem3D()
: _prepared(false)
, _particleSystemScaleVelocity(1.0f)
, _defaultWidth(DEFAULT_WIDTH)
, _defaultHeight(DEFAULT_HEIGHT)
, _defaultDepth(DEFAULT_DEPTH)
, _maxVelocity(DEFAULT_MAX_VELOCITY)
, _maxVelocitySet(false)
{
_particleQuota = DEFAULT_PARTICLE_QUOTA;
}
PUParticleSystem3D::~PUParticleSystem3D()
{
unPrepared();
//release all emitters
for (auto it : _emitters) {
it->release();
}
_emitters.clear();
}
PUParticleSystem3D* PUParticleSystem3D::create()
{
auto pups = new (std::nothrow) PUParticleSystem3D();
pups->autorelease();
return pups;
}
PUParticleSystem3D* PUParticleSystem3D::create( const std::string &filePath, const std::string &materialPath )
{
std::string matfullPath = FileUtils::getInstance()->fullPathForFilename(materialPath);
convertToUnixStylePath(matfullPath);
PUParticle3DMaterialCache::Instance()->loadMaterials(matfullPath);
PUParticleSystem3D* ps = PUParticleSystem3D::create();
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(filePath);
convertToUnixStylePath(fullPath);
if (!ps->initSystem(fullPath)){
CC_SAFE_DELETE(ps);
}
return ps;
}
PUParticleSystem3D* PUParticleSystem3D::create( const std::string &filePath )
{
std::string fullPath = FileUtils::getInstance()->fullPathForFilename(filePath);
convertToUnixStylePath(fullPath);
std::string::size_type pos = fullPath.find_last_of("/");
std::string materialFolder = "materials";
if (pos != std::string::npos){
std::string temp = fullPath.substr(0, pos);
pos = temp.find_last_of("/");
if (pos != std::string::npos){
materialFolder = temp.substr(0, pos + 1) + materialFolder;
}
}
static std::vector<std::string> loadedFolder;
if (std::find(loadedFolder.begin(), loadedFolder.end(), materialFolder) == loadedFolder.end())
{
PUParticle3DMaterialCache::Instance()->loadMaterialsFromSearchPaths(materialFolder);
loadedFolder.push_back(materialFolder);
}
PUParticleSystem3D* ps = PUParticleSystem3D::create();
if (!ps->initSystem(fullPath)){
CC_SAFE_DELETE(ps);
}
return ps;
}
void PUParticleSystem3D::startParticleSystem()
{
stopParticleSystem();
if (!_emitters.empty()){
if (_state != State::RUNNING)
{
//if (_emitter)
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->notifyStart();
//}
for (auto& it : _emitters) {
auto emitter = static_cast<PUParticle3DEmitter*>(it);
emitter->notifyStart();
}
for (auto& it : _affectors) {
auto affector = static_cast<PUParticle3DAffector*>(it);
affector->notifyStart();
}
if (_render)
_render->notifyStart();
scheduleUpdate();
_state = State::RUNNING;
_timeElapsedSinceStart = 0.0f;
}
}
_state = State::RUNNING;
for (auto iter : _children)
{
PUParticleSystem3D *system = dynamic_cast<PUParticleSystem3D *>(iter);
if (system)
system->startParticleSystem();
}
}
void PUParticleSystem3D::stopParticleSystem()
{
if (!_emitters.empty()){
if (_state != State::STOP)
{
//if (_emitter)
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->notifyStop();
//}
for (auto& it : _emitters) {
auto emitter = static_cast<PUParticle3DEmitter*>(it);
emitter->notifyStop();
}
for (auto& it : _affectors) {
auto affector = static_cast<PUParticle3DAffector*>(it);
affector->notifyStop();
}
// if (_render)
// _render->notifyStop();
//
// unscheduleUpdate();
// _particlePool.lockAllParticles();
_state = State::STOP;
}
}
for (auto iter : _children)
{
PUParticleSystem3D *system = dynamic_cast<PUParticleSystem3D *>(iter);
if (system)
system->stopParticleSystem();
}
}
void PUParticleSystem3D::pauseParticleSystem()
{
if (_state == State::RUNNING)
{
//if (_emitter)
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->notifyPause();
//}
for (auto& it : _emitters) {
auto emitter = static_cast<PUParticle3DEmitter*>(it);
emitter->notifyPause();
}
for (auto& it : _affectors) {
auto affector = static_cast<PUParticle3DAffector*>(it);
affector->notifyPause();
}
_state = State::PAUSE;
}
for (auto iter : _children)
{
PUParticleSystem3D *system = dynamic_cast<PUParticleSystem3D *>(iter);
if (system)
system->pauseParticleSystem();
}
}
void PUParticleSystem3D::resumeParticleSystem()
{
if (_state == State::PAUSE)
{
//if (_emitter)
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->notifyResume();
//}
for (auto& it : _emitters) {
auto emitter = static_cast<PUParticle3DEmitter*>(it);
emitter->notifyResume();
}
for (auto& it : _affectors) {
auto affector = static_cast<PUParticle3DAffector*>(it);
affector->notifyResume();
}
_state = State::RUNNING;
}
for (auto iter : _children)
{
PUParticleSystem3D *system = dynamic_cast<PUParticleSystem3D *>(iter);
if (system)
system->resumeParticleSystem();
}
}
int PUParticleSystem3D::getAliveParticleCount() const
{
return (int)_particlePool.getActiveParticleList().size();
}
void PUParticleSystem3D::update(float delta)
{
if (_state != State::RUNNING)
{
if (_state == State::PAUSE)
return;
else if (_state == State::STOP && getAliveParticleCount() == 0)
{
//
if (_render)
_render->notifyStop();
unscheduleUpdate();
return;
}
}
prepared();
emitParticles(delta);
preUpdator(delta);
updator(delta);
postUpdator(delta);
_timeElapsedSinceStart += delta;
}
float PUParticleSystem3D::getParticleSystemScaleVelocity() const
{
return _particleSystemScaleVelocity;
}
void PUParticleSystem3D::rotationOffset( Vec3& pos )
{
Mat4 rotMat;
Mat4::createRotation(_rotationOffset, &rotMat);
pos = _rotationCentre + rotMat * (pos - _rotationCentre);
}
void PUParticleSystem3D::prepared()
{
if (!_prepared){
//if (_emitter && _emitter->isEnabled())
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->prepare();
//}
for (auto it : _emitters) {
if (it->isEnabled())
(static_cast<PUParticle3DEmitter*>(it))->prepare();
}
for (auto it : _affectors) {
if (it->isEnabled())
(static_cast<PUParticle3DAffector*>(it))->prepare();
}
for (unsigned short i = 0; i < _particleQuota; ++i){
_particlePool.addParticle(new (std::nothrow) PUParticle3D());
}
_prepared = true;
}
}
void PUParticleSystem3D::unPrepared()
{
//if (_emitter && _emitter->isEnabled())
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->unPrepare();
//}
for (auto it : _emitters) {
if (it->isEnabled())
(static_cast<PUParticle3DEmitter*>(it))->unPrepare();
}
for (auto it : _affectors) {
if (it->isEnabled())
(static_cast<PUParticle3DAffector*>(it))->unPrepare();
}
_particlePool.removeAllParticles(true);
}
void PUParticleSystem3D::preUpdator( float elapsedTime )
{
//if (_emitter && _emitter->isEnabled())
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->preUpdateEmitter(elapsedTime);
//}
bool hasNoEmitted = true;
for (auto it : _emitters) {
if (!it->isEmitterDone()){
(static_cast<PUParticle3DEmitter*>(it))->preUpdateEmitter(elapsedTime);
hasNoEmitted = false;
}
}
if (hasNoEmitted){
if (_particlePool.getActiveParticleList().empty())
stopParticleSystem();
}
for (auto it : _affectors) {
if (it->isEnabled()){
(static_cast<PUParticle3DAffector*>(it))->preUpdateAffector(elapsedTime);
}
}
}
void PUParticleSystem3D::updator( float elapsedTime )
{
bool firstActiveParticle = true; // The first non-expired particle
PUParticle3D *particle = static_cast<PUParticle3D *>(_particlePool.getFirst());
Mat4 ltow = getNodeToWorldTransform();
Vec3 scl;
Quaternion rot;
ltow.decompose(&scl, &rot, nullptr);
while (particle){
if (!isExpired(particle, elapsedTime)){
particle->timeFraction = (particle->totalTimeToLive - particle->timeToLive) / particle->totalTimeToLive;
//if (_emitter && _emitter->isEnabled())
// _emitter->updateEmitter(particle, elapsedTime);
for (auto it : _emitters) {
if (it->isEnabled()){
(static_cast<PUParticle3DEmitter*>(it))->updateEmitter(particle, elapsedTime);
}
}
for (auto& it : _affectors) {
if (it->isEnabled()){
if (firstActiveParticle)
(static_cast<PUParticle3DAffector*>(it))->firstParticleUpdate(particle, elapsedTime);
(static_cast<PUParticle3DAffector*>(it))->updatePUAffector(particle, elapsedTime);
}
}
// Keep latest position
particle->latestPosition = particle->position;
if (_maxVelocitySet && particle->calculateVelocity() > _maxVelocity)
{
particle->direction *= (_maxVelocity / particle->direction.length());
}
// Update the position with the direction.
particle->position += (particle->direction * _particleSystemScaleVelocity * elapsedTime);
particle->positionInWorld = particle->position;
particle->orientationInWorld = particle->orientation;
particle->widthInWorld = particle->width;
particle->heightInWorld = particle->height;
particle->depthInWorld = particle->depth;
bool keepLocal = _keepLocal;
PUParticleSystem3D *parent = dynamic_cast<PUParticleSystem3D *>(getParent());
if (parent) keepLocal = keepLocal || parent->isKeepLocal();
if (keepLocal){
ltow.transformPoint(particle->positionInWorld, &particle->positionInWorld);
Vec3 ori;
ltow.transformVector(Vec3(particle->orientation.x, particle->orientation.y, particle->orientation.z), &ori);
particle->orientationInWorld.x = ori.x; particle->orientationInWorld.y = ori.y; particle->orientationInWorld.z = ori.z;
particle->widthInWorld = scl.x * particle->width;
particle->heightInWorld = scl.y * particle->height;
particle->depthInWorld = scl.z * particle->depth;
}
firstActiveParticle = false;
}
else{
_particlePool.lockLatestParticle();
}
if (particle->hasEventFlags(PUParticle3D::PEF_EXPIRED))
{
particle->setEventFlags(0);
particle->addEventFlags(PUParticle3D::PEF_EXPIRED);
}
else
{
particle->setEventFlags(0);
}
particle->timeToLive -= elapsedTime;
particle = static_cast<PUParticle3D *>(_particlePool.getNext());
}
}
void PUParticleSystem3D::postUpdator( float elapsedTime )
{
//if (_emitter && _emitter->isEnabled())
//{
// auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
// emitter->postUpdateEmitter(elapsedTime);
//}
for (auto it : _emitters) {
if (it->isEnabled()){
(static_cast<PUParticle3DEmitter*>(it))->postUpdateEmitter(elapsedTime);
}
}
for (auto it : _affectors) {
if (it->isEnabled())
{
auto affector = static_cast<PUParticle3DAffector*>(it);
affector->postUpdateAffector(elapsedTime);
}
}
}
void PUParticleSystem3D::emitParticles( float elapsedTime )
{
Vec3 scale = getDerivedScale();
Mat4 rotMat;
Mat4::createRotation(getDerivedOrientation(), &rotMat);
for (auto iter : _emitters){
//if (!_emitter) return;
//auto emitter = static_cast<PUParticle3DEmitter*>(_emitter);
auto emitter = iter;
emitter->notifyRescaled(scale);
unsigned short requested = emitter->calculateRequestedParticles(elapsedTime);
float timePoint = 0.0f;
float timeInc = elapsedTime / requested;
for (unsigned short i = 0; i < requested; ++i)
{
PUParticle3D *particle = static_cast<PUParticle3D *>(_particlePool.createParticle());
if (particle){
particle->initForEmission();
emitter->initParticleForEmission(particle);
particle->direction = (rotMat * Vec3(particle->direction.x * scale.x, particle->direction.y * scale.y, particle->direction.z * scale.z));
particle->originalDirection = (rotMat * Vec3(particle->originalDirection.x * scale.x, particle->originalDirection.y * scale.y, particle->originalDirection.z * scale.z));
for (auto& it : _affectors) {
if (it->isEnabled())
{
(static_cast<PUParticle3DAffector*>(it))->notifyRescaled(scale);
(static_cast<PUParticle3DAffector*>(it))->initParticleForEmission(particle);
}
}
particle->position += (particle->direction * _particleSystemScaleVelocity * timePoint);
// Increment time fragment
timePoint += timeInc;
}
}
}
}
const float PUParticleSystem3D::getDefaultWidth( void ) const
{
return _defaultWidth;
}
void PUParticleSystem3D::setDefaultWidth( const float width )
{
_defaultWidth = width;
}
const float PUParticleSystem3D::getDefaultHeight( void ) const
{
return _defaultHeight;
}
void PUParticleSystem3D::setDefaultHeight( const float height )
{
_defaultHeight = height;
}
const float PUParticleSystem3D::getDefaultDepth( void ) const
{
return _defaultDepth;
}
void PUParticleSystem3D::setDefaultDepth( const float depth )
{
_defaultDepth = depth;
}
bool PUParticleSystem3D::isExpired( PUParticle3D* particle, float timeElapsed )
{
bool expired = particle->timeToLive < timeElapsed;
if (expired)
{
// Set the flag to indicate that the particle has been expired
particle->addEventFlags(PUParticle3D::PEF_EXPIRED);
}
return expired;
}
cocos2d::Vec3 PUParticleSystem3D::getDerivedPosition()
{
PUParticleSystem3D *parent = dynamic_cast<PUParticleSystem3D *>(getParent());
if (parent && parent->isKeepLocal()) return Vec3::ZERO;
if (_keepLocal) return Vec3::ZERO;
Mat4 mat = getNodeToWorldTransform();
return Vec3(mat.m[12], mat.m[13], mat.m[14]);
}
cocos2d::Quaternion PUParticleSystem3D::getDerivedOrientation()
{
PUParticleSystem3D *parent = dynamic_cast<PUParticleSystem3D *>(getParent());
if (parent && parent->isKeepLocal()) return Quaternion();
if (_keepLocal) return Quaternion();
Quaternion q;
Mat4 mat = getNodeToWorldTransform();
mat.decompose(nullptr, &q, nullptr);
return q;
}
cocos2d::Vec3 PUParticleSystem3D::getDerivedScale()
{
PUParticleSystem3D *parent = dynamic_cast<PUParticleSystem3D *>(getParent());
if (parent && parent->isKeepLocal()) return Vec3::ONE;
if (_keepLocal) return Vec3::ONE;
Vec3 s;
Mat4 mat = getNodeToWorldTransform();
mat.decompose(&s, nullptr, nullptr);
return s;
}
float PUParticleSystem3D::getMaxVelocity() const
{
return _maxVelocity;
}
void PUParticleSystem3D::setMaxVelocity( float maxVelocity )
{
_maxVelocity = maxVelocity;
_maxVelocitySet = true;
}
bool PUParticleSystem3D::initSystem( const std::string &filePath )
{
bool isFirstCompile = true;
auto list = PUScriptCompiler::Instance()->compile(filePath, isFirstCompile);
if (list == nullptr || list->empty()) return false;
PUParticle3DTranslateManager::Instance()->translateParticleSystem(this, list);
//std::string data = FileUtils::getInstance()->getStringFromFile(filePath);
return true;
}
void PUParticleSystem3D::addEmitter( PUParticle3DEmitter* emitter )
{
if (emitter && std::find(_emitters.begin(), _emitters.end(), emitter) == _emitters.end()){
emitter->_particleSystem = this;
emitter->retain();
_emitters.push_back(emitter);
}
}
void PUParticleSystem3D::convertToUnixStylePath( std::string &path )
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
for (auto &iter : path){
if (iter == '\\') iter = '/';
}
#endif
}
NS_CC_END
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