particles from Tiago_G

This commit is contained in:
timoore
2008-02-15 06:44:05 +00:00
parent dc63ddb010
commit b09e484492
6 changed files with 836 additions and 1 deletions

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@@ -6,6 +6,7 @@ noinst_HEADERS =
include_HEADERS = \
animation.hxx \
particles.hxx \
location.hxx \
model.hxx \
modellib.hxx \
@@ -22,6 +23,7 @@ include_HEADERS = \
libsgmodel_a_SOURCES = \
animation.cxx \
particles.cxx \
location.cxx \
model.cxx \
modellib.cxx \

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@@ -186,7 +186,7 @@ read_offset_factor(const SGPropertyNode* configNode, SGExpressiond* expr,
return expr;
}
static SGExpressiond*
SGExpressiond*
read_value(const SGPropertyNode* configNode, SGPropertyNode* modelRoot,
const char* unit, double defMin, double defMax)
{

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@@ -31,6 +31,9 @@
#undef max
#endif
SGExpressiond*
read_value(const SGPropertyNode* configNode, SGPropertyNode* modelRoot,
const char* unit, double defMin, double defMax);
//////////////////////////////////////////////////////////////////////
// Base class for animation installers

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@@ -33,6 +33,7 @@
#include "animation.hxx"
#include "model.hxx"
#include "particles.hxx"
SG_USING_STD(vector);
@@ -250,6 +251,22 @@ sgLoad3DModel( const string &fg_root, const string &path,
}
}
std::vector<SGPropertyNode_ptr> particle_nodes;
particle_nodes = props.getChildren("particlesystem");
for (unsigned i = 0; i < particle_nodes.size(); ++i)
{
if(i==0)
{
if (texturepath.extension() != "")
texturepath = texturepath.dir();
options->setDatabasePath(texturepath.str());
if (!externalTexturePath.str().empty())
options->getDatabasePathList().push_back(externalTexturePath.str());
}
alignmainmodel.get()->addChild(SGParticles::appendParticles(particle_nodes[i], prop_root, options.get()));
}
if (data) {
alignmainmodel->setUserData(data);
data->modelLoaded(path, &props, alignmainmodel.get());

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@@ -0,0 +1,486 @@
// particles.cxx - classes to manage particles
// started in 2008 by Tiago Gusm<73>o, using animation.hxx as reference
#ifdef HAVE_CONFIG_H
# include <simgear_config.h>
#endif
#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/props_io.hxx>
#include <osgParticle/SmokeTrailEffect>
#include <osgParticle/FireEffect>
#include <osgParticle/ConnectedParticleSystem>
#include <osgParticle/MultiSegmentPlacer>
#include <osgParticle/SectorPlacer>
#include <osgParticle/ConstantRateCounter>
#include <osgParticle/ParticleSystemUpdater>
#include <osgParticle/FluidProgram>
#include <osg/Geode>
#include <osg/MatrixTransform>
#include "particles.hxx"
//static members
osg::Vec3 SGGlobalParticleCallback::gravity;
osg::Vec3 SGGlobalParticleCallback::wind;
osg::ref_ptr<osg::Group> SGParticles::commonRoot;
osg::ref_ptr<osgParticle::ParticleSystemUpdater> SGParticles::psu = new osgParticle::ParticleSystemUpdater;
osg::ref_ptr<osg::Geode> SGParticles::commonGeode = new osg::Geode;;
osg::Group * SGParticles::appendParticles(const SGPropertyNode* configNode, SGPropertyNode* modelRoot, const osgDB::ReaderWriter::Options* options)
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Setting up a particle system!\n");
osgParticle::ParticleSystem *particleSys;
//create a generic particle system
std::string type = configNode->getStringValue("type", "normal");
if (type == "normal")particleSys= new osgParticle::ParticleSystem;
else particleSys= new osgParticle::ConnectedParticleSystem;
SGParticles *callback=NULL; //may not be used depending on the configuration
getPSU()->addParticleSystem(particleSys);
getPSU()->setUpdateCallback(new SGGlobalParticleCallback(modelRoot));
//contains counter, placer and shooter by default
osgParticle::ModularEmitter *emitter = new osgParticle::ModularEmitter;
emitter->setParticleSystem(particleSys);
// Set up the alignment node ("stolen" from animation.cxx)
osg::MatrixTransform *align = new osg::MatrixTransform;
osg::Matrix res_matrix;
res_matrix.makeRotate(
configNode->getFloatValue("offsets/pitch-deg", 0.0)*SG_DEGREES_TO_RADIANS,
osg::Vec3(0, 1, 0),
configNode->getFloatValue("offsets/roll-deg", 0.0)*SG_DEGREES_TO_RADIANS,
osg::Vec3(1, 0, 0),
configNode->getFloatValue("offsets/heading-deg", 0.0)*SG_DEGREES_TO_RADIANS,
osg::Vec3(0, 0, 1));
osg::Matrix tmat;
tmat.makeTranslate(configNode->getFloatValue("offsets/x-m", 0.0),
configNode->getFloatValue("offsets/y-m", 0.0),
configNode->getFloatValue("offsets/z-m", 0.0));
align->setMatrix(res_matrix*tmat);
align->setName("particle align");
//if(dynamic_cast<CustomModularEmitter*>(emitter)==0) SG_LOG(SG_GENERAL, SG_ALERT, "observer error\n");
//align->addObserver(dynamic_cast<CustomModularEmitter*>(emitter));
align->addChild(emitter);
//this name can be used in the XML animation as if it was a submodel
std::string name = configNode->getStringValue("name", "");
if(!name.empty()) align->setName(name);
std::string attach = configNode->getStringValue("attach", "world");
if (attach == "local") { //local means attached to the model and not the world
osg::Geode *g = new osg::Geode;
align->addChild(g);
g->addDrawable(particleSys);
emitter->setReferenceFrame(osgParticle::Emitter::ABSOLUTE_RF);
} else
getCommonGeode()->addDrawable(particleSys);
std::string textureFile;
if(configNode->hasValue("texture")) {
SG_LOG(SG_GENERAL, SG_ALERT, "requested:"<<configNode->getStringValue("texture","")<<"\n");
textureFile= osgDB::findFileInPath(configNode->getStringValue("texture",""),
options->getDatabasePathList());
SG_LOG(SG_GENERAL, SG_ALERT, "found:"<<textureFile<<"\n");
for(int i=0;i<options->getDatabasePathList().size();++i)
SG_LOG(SG_GENERAL, SG_ALERT, "opts:"<<options->getDatabasePathList()[i]<<"\n");
}
if(textureFile.empty())
textureFile="";
particleSys->setDefaultAttributes(textureFile,configNode->getBoolValue("emissive", true),
configNode->getBoolValue("lighting", false));
std::string alignstr = configNode->getStringValue("align","billboard");
if(alignstr == "fixed")
particleSys->setParticleAlignment(osgParticle::ParticleSystem::FIXED);
const SGPropertyNode* placernode = configNode->getChild("placer");
if(placernode) {
std::string emitterType = placernode->getStringValue("type", "point");
if (emitterType == "sector") {
osgParticle::SectorPlacer *splacer = new osgParticle::SectorPlacer;
float minRadius, maxRadius, minPhi, maxPhi;
minRadius = placernode->getFloatValue("radius-min-m",0);
maxRadius = placernode->getFloatValue("radius-max-m",1);
minPhi = placernode->getFloatValue("phi-min-deg",0) * SG_DEGREES_TO_RADIANS;
maxPhi = placernode->getFloatValue("phi-max-deg",360.0f) * SG_DEGREES_TO_RADIANS;
splacer->setRadiusRange(minRadius, maxRadius);
splacer->setPhiRange(minPhi, maxPhi);
emitter->setPlacer(splacer);
} else if (emitterType == "segments") {
std::vector<SGPropertyNode_ptr> segments = placernode->getChildren("vertex");
if(segments.size()>1) {
osgParticle::MultiSegmentPlacer *msplacer = new osgParticle::MultiSegmentPlacer();
float x,y,z;
for (unsigned i = 0; i < segments.size(); ++i) {
x = segments[i]->getFloatValue("x-m",0);
y = segments[i]->getFloatValue("y-m",0);
z = segments[i]->getFloatValue("z-m",0);
msplacer->addVertex(x, y, z);
}
emitter->setPlacer(msplacer);
}
else SG_LOG(SG_GENERAL, SG_ALERT, "Detected particle system using segment(s) with less than 2 vertices\n");
} //else the default placer in ModularEmitter is used (PointPlacer)
}
const SGPropertyNode* shnode = configNode->getChild("shooter");
if(shnode) {
float minTheta, maxTheta, minPhi, maxPhi, speed, spread;
minTheta = shnode->getFloatValue("theta-min-deg",0) * SG_DEGREES_TO_RADIANS;
maxTheta = shnode->getFloatValue("theta-max-deg",360.0f) * SG_DEGREES_TO_RADIANS;
minPhi = shnode->getFloatValue("phi-min-deg",0)* SG_DEGREES_TO_RADIANS;
maxPhi = shnode->getFloatValue("phi-max-deg",360.0f)* SG_DEGREES_TO_RADIANS;
osgParticle::RadialShooter *shooter = new osgParticle::RadialShooter;
emitter->setShooter(shooter);
shooter->setThetaRange(minTheta, maxTheta);
shooter->setPhiRange(minPhi, maxPhi);
const SGPropertyNode* speednode = shnode->getChild("speed");
if(speednode) {
if(speednode->hasValue("value")) {
speed = speednode->getFloatValue("value",0);
spread = speednode->getFloatValue("spread",0);
shooter->setInitialSpeedRange(speed-spread, speed+spread);
} else {
if(!callback)
callback = new SGParticles();
callback->setupShooterSpeedData(speednode, modelRoot);
}
}
const SGPropertyNode* rotspeednode = shnode->getChild("rotspeed");
if(rotspeednode) {
float x1,y1,z1,x2,y2,z2;
x1 = rotspeednode->getFloatValue("x-min-deg-sec",0) * SG_DEGREES_TO_RADIANS;
y1 = rotspeednode->getFloatValue("y-min-deg-sec",0) * SG_DEGREES_TO_RADIANS;
z1 = rotspeednode->getFloatValue("z-min-deg-sec",0) * SG_DEGREES_TO_RADIANS;
x2 = rotspeednode->getFloatValue("x-max-deg-sec",0) * SG_DEGREES_TO_RADIANS;
y2 = rotspeednode->getFloatValue("y-max-deg-sec",0) * SG_DEGREES_TO_RADIANS;
z2 = rotspeednode->getFloatValue("z-max-deg-sec",0) * SG_DEGREES_TO_RADIANS;
shooter->setInitialRotationalSpeedRange(osg::Vec3f(x1,y1,z1), osg::Vec3f(x2,y2,z2));
}
} //else ModularEmitter uses the default RadialShooter
const SGPropertyNode* counternode = configNode->getChild("counter");
if(counternode) {
osgParticle::RandomRateCounter *counter = new osgParticle::RandomRateCounter;
emitter->setCounter(counter);
float pps, spread;
const SGPropertyNode* ppsnode = counternode->getChild("pps");
if(ppsnode) {
if(ppsnode->hasValue("value")) {
pps = ppsnode->getFloatValue("value",0);
spread = ppsnode->getFloatValue("spread",0);
counter->setRateRange(pps-spread, pps+spread);
} else {
if(!callback)
callback = new SGParticles();
callback->setupCounterData(ppsnode, modelRoot);
}
}
const SGPropertyNode* conditionNode = counternode->getChild("condition");
if(conditionNode) {
if(!callback)
callback = new SGParticles();
callback->setupCounterCondition(conditionNode, modelRoot);
callback->setupCounterCondition(pps, spread);
}
} //TODO: else perhaps set higher values than default?
const SGPropertyNode* particlenode = configNode->getChild("particle");
if(particlenode) {
osgParticle::Particle &particle = particleSys->getDefaultParticleTemplate();
float r1=0, g1=0, b1=0, a1=1, r2=0, g2=0, b2=0, a2=1;
const SGPropertyNode* startcolornode = particlenode->getChild("startcolor");
if(startcolornode) {
const SGPropertyNode* componentnode = startcolornode->getChild("red");
if(componentnode) {
if(componentnode->hasValue("value"))
r1 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 0, 0);
}
}
componentnode = startcolornode->getChild("green");
if(componentnode) {
if(componentnode->hasValue("value"))
g1 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 0, 1);
}
}
componentnode = startcolornode->getChild("blue");
if(componentnode) {
if(componentnode->hasValue("value"))
b1 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 0, 2);
}
}
componentnode = startcolornode->getChild("alpha");
if(componentnode) {
if(componentnode->hasValue("value"))
a1 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 0, 3);
}
}
}
const SGPropertyNode* endcolornode = particlenode->getChild("endcolor");
if(endcolornode) {
const SGPropertyNode* componentnode = endcolornode->getChild("red");
if(componentnode) {
if(componentnode->hasValue("value"))
r2 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 1, 0);
}
}
componentnode = endcolornode->getChild("green");
if(componentnode) {
if(componentnode->hasValue("value"))
g2 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 1, 1);
}
}
componentnode = endcolornode->getChild("blue");
if(componentnode) {
if(componentnode->hasValue("value"))
b2 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 1, 2);
}
}
componentnode = endcolornode->getChild("alpha");
if(componentnode) {
if(componentnode->hasValue("value"))
a2 = componentnode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupColorComponent(componentnode, modelRoot, 1, 3);
}
}
}
particle.setColorRange(osgParticle::rangev4( osg::Vec4(r1,g1,b1,a1), osg::Vec4(r2,g2,b2,a2)));
float startsize=1, endsize=0.1f;
const SGPropertyNode* startsizenode = particlenode->getChild("startsize");
if(startsizenode) {
if(startsizenode->hasValue("value"))
startsize = startsizenode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupStartSizeData(startsizenode, modelRoot);
}
}
const SGPropertyNode* endsizenode = particlenode->getChild("endsize");
if(endsizenode) {
if(endsizenode->hasValue("value"))
endsize = endsizenode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupEndSizeData(endsizenode, modelRoot);
}
}
particle.setSizeRange(osgParticle::rangef(startsize, endsize));
float life=5;
const SGPropertyNode* lifenode = particlenode->getChild("life-sec");
if(lifenode) {
if(lifenode->hasValue("value"))
life = lifenode->getFloatValue("value",0);
else {
if(!callback)
callback = new SGParticles();
callback->setupLifeData(lifenode, modelRoot);
}
}
particle.setLifeTime(life);
if(particlenode->hasValue("radius-m"))
particle.setRadius(particlenode->getFloatValue("radius-m",0));
if(particlenode->hasValue("mass-kg"))
particle.setMass(particlenode->getFloatValue("mass-kg",0));
if(callback) {
callback->setupStaticColorComponent(r1, g1, b1, a1, r2, g2, b2, a2);
callback->setupStaticSizeData(startsize, endsize);
}
//particle.setColorRange(osgParticle::rangev4( osg::Vec4(r1, g1, b1, a1), osg::Vec4(r2, g2, b2, a2)));
}
const SGPropertyNode* programnode = configNode->getChild("program");
osgParticle::FluidProgram *program = new osgParticle::FluidProgram();
if(programnode) {
std::string fluid = programnode->getStringValue("fluid","air");
if(fluid=="air")
program->setFluidToAir();
else
program->setFluidToWater();
std::string grav = programnode->getStringValue("gravity","enabled");
if(grav=="enabled") {
if(attach == "world") {
if(!callback)
callback = new SGParticles();
callback->setupProgramGravity(true);
} else
program->setToGravity();
} else
program->setAcceleration(osg::Vec3(0,0,0));
std::string wind = programnode->getStringValue("wind","enabled");
if(wind=="enabled") {
if(!callback)
callback = new SGParticles();
callback->setupProgramWind(true);
} else
program->setWind(osg::Vec3(0,0,0));
align->addChild(program);
program->setParticleSystem(particleSys);
}
else { }
if(callback) { //this means we want property-driven changes
SG_LOG(SG_GENERAL, SG_DEBUG, "setting up particle system user data and callback\n");
//setup data and callback
callback->setGeneralData(dynamic_cast<osgParticle::RadialShooter*>(emitter->getShooter()), dynamic_cast<osgParticle::RandomRateCounter*>(emitter->getCounter()), particleSys, program);
emitter->setUpdateCallback(callback);
}
return align;
}

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@@ -0,0 +1,327 @@
// particles.hxx - classes to manage particles
// started in 2008 by Tiago Gusm<73>o, using animation.hxx as reference
#ifndef _SG_PARTICLES_HXX
#define _SG_PARTICLES_HXX 1
#endif
#ifndef __cplusplus
# error This library requires C++
#endif
#include <osg/ref_ptr>
#include <osg/Group>
#include <osg/Node>
#include <osg/NodeVisitor>
#include <osg/Texture2D>
#include <osgParticle/SmokeTrailEffect>
#include <osgParticle/Particle>
#include <osgParticle/ModularEmitter>
#include <osgParticle/ParticleSystemUpdater>
#include <osgParticle/ParticleSystem>
#include <osg/MatrixTransform>
#include <osgDB/ReaderWriter>
#include <osgDB/FileNameUtils>
#include <osgDB/FileUtils>
#include <osgDB/ReadFile>
#include <osg/Notify>
#include <osg/Vec3>
#include <simgear/scene/util/SGNodeMasks.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/condition.hxx>
#include <simgear/structure/SGExpression.hxx>
#include <simgear/math/SGQuat.hxx>
#include <simgear/math/SGMatrix.hxx>
// Has anyone done anything *really* stupid, like making min and max macros?
#ifdef min
#undef min
#endif
#ifdef max
#undef max
#endif
#include "animation.hxx"
class SGGlobalParticleCallback : public osg::NodeCallback
{
public:
SGGlobalParticleCallback(const SGPropertyNode* modelRoot)
{
this->modelRoot=modelRoot;
}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
SGQuat<float> q = SGQuat<float>::fromLonLatDeg(modelRoot->getFloatValue("/position/longitude-deg",0), modelRoot->getFloatValue("/position/latitude-deg",0));
SGMatrix<float> m(q);
osg::Matrix om(m.data());
osg::Vec3 v(0,0,9.81);
gravity = om.postMult(v);
osg::Vec3 w(-modelRoot->getFloatValue("/environment/wind-from-north-fps",0) * SG_FEET_TO_METER,
-modelRoot->getFloatValue("/environment/wind-from-east-fps",0) * SG_FEET_TO_METER, 0);
wind = om.postMult(w);
//SG_LOG(SG_GENERAL, SG_ALERT, "wind vector:"<<w[0]<<","<<w[1]<<","<<w[2]<<"\n");
}
static const osg::Vec3 &getGravityVector()
{
return gravity;
}
static const osg::Vec3 &getWindVector()
{
return wind;
}
static osg::Vec3 gravity;
static osg::Vec3 wind;
private:
const SGPropertyNode* modelRoot;
};
class SGParticles : public osg::NodeCallback
{
public:
SGParticles( ) :
shooterValue(NULL),
counterValue(NULL),
startSizeValue(NULL),
endSizeValue(NULL),
lifeValue(NULL),
refFrame(NULL),
program(NULL),
useGravity(false),
useWind(false),
counterCond(NULL)
{
memset(colorComponents, 0, sizeof(colorComponents));
}
static osg::Group * appendParticles(const SGPropertyNode* configNode, SGPropertyNode* modelRoot, const osgDB::ReaderWriter::Options* options);
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
//SG_LOG(SG_GENERAL, SG_ALERT, "callback!\n");
if(shooterValue)
shooter->setInitialSpeedRange(shooterValue->getValue(), shooterValue->getValue()+shooterExtraRange);
if(counterValue)
counter->setRateRange(counterValue->getValue(), counterValue->getValue()+counterExtraRange);
else if(counterCond)
counter->setRateRange(counterStaticValue, counterStaticValue + counterStaticExtraRange);
if(counterCond && !counterCond->test())
counter->setRateRange(0,0);
bool colorchange=false;
for(int i=0;i<8;++i){
if(colorComponents[i]){
staticColorComponents[i] = colorComponents[i]->getValue();
colorchange=true;
}
}
if(colorchange)
particleSys->getDefaultParticleTemplate().setColorRange(osgParticle::rangev4( osg::Vec4(staticColorComponents[0], staticColorComponents[1], staticColorComponents[2], staticColorComponents[3]), osg::Vec4(staticColorComponents[4], staticColorComponents[5], staticColorComponents[6], staticColorComponents[7])));
if(startSizeValue)
startSize = startSizeValue->getValue();
if(endSizeValue)
endSize = endSizeValue->getValue();
if(startSizeValue || endSizeValue)
particleSys->getDefaultParticleTemplate().setSizeRange(osgParticle::rangef(startSize, endSize));
if(lifeValue)
particleSys->getDefaultParticleTemplate().setLifeTime(lifeValue->getValue());
if(program){
if(useGravity)
program->setAcceleration(SGGlobalParticleCallback::getGravityVector());
if(useWind)
program->setWind(SGGlobalParticleCallback::getWindVector());
}
}
inline void setupShooterSpeedData(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
shooterValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!shooterValue){
SG_LOG(SG_GENERAL, SG_ALERT, "shooter property error!\n");
}
shooterExtraRange = configNode->getFloatValue("extrarange",0);
}
inline void setupCounterData(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
counterValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!counterValue){
SG_LOG(SG_GENERAL, SG_ALERT, "counter property error!\n");
}
counterExtraRange = configNode->getFloatValue("extrarange",0);
}
inline void setupCounterCondition(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
counterCond = sgReadCondition(modelRoot, configNode);
}
inline void setupCounterCondition(float counterStaticValue, float counterStaticExtraRange)
{
this->counterStaticValue = counterStaticValue;
this->counterStaticExtraRange = counterStaticExtraRange;
}
inline void setupStartSizeData(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
startSizeValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!startSizeValue)
{
SG_LOG(SG_GENERAL, SG_ALERT, "startSizeValue error!\n");
}
}
inline void setupEndSizeData(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
endSizeValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!endSizeValue){
SG_LOG(SG_GENERAL, SG_ALERT, "startSizeValue error!\n");
}
}
inline void setupLifeData(const SGPropertyNode* configNode, SGPropertyNode* modelRoot)
{
lifeValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!lifeValue){
SG_LOG(SG_GENERAL, SG_ALERT, "lifeValue error!\n");
}
}
inline void setupStaticSizeData(float startSize, float endSize)
{
this->startSize=startSize;
this->endSize=endSize;
}
inline void setGeneralData(osgParticle::RadialShooter * shooter, osgParticle::RandomRateCounter * counter, osgParticle::ParticleSystem * particleSys, osgParticle::FluidProgram *program)
{
this->shooter = shooter;
this->counter = counter;
this->particleSys = particleSys;
this->program = program;
}
inline void setupProgramGravity(bool useGravity)
{
this->useGravity = useGravity;
}
inline void setupProgramWind(bool useWind)
{
this->useWind = useWind;
}
//component: r=0, g=1, ... ; color: 0=start color, 1=end color
inline void setupColorComponent(const SGPropertyNode* configNode, SGPropertyNode* modelRoot, int color, int component)
{
SGExpressiond *colorValue = read_value(configNode, modelRoot, "-m", -SGLimitsd::max(), SGLimitsd::max());
if(!colorValue){
SG_LOG(SG_GENERAL, SG_ALERT, "color property error!\n");
}
colorComponents[(color*4)+component] = colorValue;
//number of color components = 4
}
inline void setupStaticColorComponent(float r1,float g1, float b1, float a1, float r2,
float g2, float b2, float a2)
{
staticColorComponents[0] = r1;
staticColorComponents[1] = g1;
staticColorComponents[2] = b1;
staticColorComponents[3] = a1;
staticColorComponents[4] = r2;
staticColorComponents[5] = g2;
staticColorComponents[6] = b2;
staticColorComponents[7] = a2;
}
static inline osg::Group * getCommonRoot()
{
if(!commonRoot.valid())
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Particle common root called!\n");
commonRoot = new osg::Group;
commonRoot.get()->setName("common particle system root");
commonGeode.get()->setName("common particle system geode");
commonRoot.get()->addChild(commonGeode.get());
commonRoot.get()->addChild(psu.get());
}
return commonRoot.get();
}
static inline osg::Geode * getCommonGeode()
{
return commonGeode.get();
}
static inline osgParticle::ParticleSystemUpdater * getPSU()
{
return psu.get();
}
private:
float shooterExtraRange;
float counterExtraRange;
SGExpressiond * shooterValue;
SGExpressiond * counterValue;
SGExpressiond * colorComponents[8];
SGExpressiond * startSizeValue;
SGExpressiond * endSizeValue;
SGExpressiond * lifeValue;
SGCondition * counterCond;
osg::MatrixTransform *refFrame;
float staticColorComponents[8];
float startSize;
float endSize;
float counterStaticValue;
float counterStaticExtraRange;
osgParticle::RadialShooter * shooter;
osgParticle::RandomRateCounter * counter;
osgParticle::ParticleSystem * particleSys;
osgParticle::FluidProgram * program;
bool useGravity;
bool useWind;
static osg::ref_ptr<osgParticle::ParticleSystemUpdater> psu;
static osg::ref_ptr<osg::Group> commonRoot;
static osg::ref_ptr<osg::Geode> commonGeode;
};
/*
class CustomModularEmitter : public osgParticle::ModularEmitter, public osg::Observer
{
public:
virtual void objectDeleted (void *)
{
SG_LOG(SG_GENERAL, SG_ALERT, "object deleted!\n");
SGParticles::getCommonRoot()->removeChild(this->getParticleSystem()->getParent(0));
SGParticles::getPSU()->removeParticleSystem(this->getParticleSystem());
}
// ~CustomModularEmitter()
// {
// SG_LOG(SG_GENERAL, SG_ALERT, "object deleted!\n");
//
// SGParticles::getCommonRoot()->removeChild(this->getParticleSystem()->getParent(0));
// SGParticles::getPSU()->removeParticleSystem(this->getParticleSystem());
// }
};
*/