Explosion::Explosion(const core::vector3df& position) : Effect(EXPLOSIONLENGTH), fireParticles(0), shockwave(0)
{
//intialize particle system
sound->play3D("res/sounds/reactor_explo.wav", position);
fireParticles = scenemngr->addParticleSystemSceneNode(false, 0, -1, position);
IParticleEmitter *emitter = fireParticles->createSphereEmitter(vector3df(0,0,0), 20,
vector3df(0,0,0), 100, 200, video::SColor(0,255,255,255), video::SColor(0,255,255,255),
2000, 4000, 0, dimension2df(75,75), dimension2df(150,150));
fireParticles->setEmitter(emitter);
fireParticles->setMaterialTexture(0, vdriver->getTexture("res/textures/engine_trails.pcx"));
fireParticles->setMaterialFlag(video::EMF_LIGHTING, false);
fireParticles->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
IParticleAffector *af = fireParticles->createAttractionAffector(position, -100.f);
fireParticles->addAffector(af);
emitter->drop();
af->drop();
shockwave = scenemngr->addCubeSceneNode(5);
shockwave->setScale(core::vector3df(5,0,5));
shockwave->setMaterialTexture(0,vdriver->getTexture("res/textures/fx/shockwave.png"));
shockwave->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
shockwave->setPosition(position);
shockwave->setMaterialFlag(video::EMF_LIGHTING, false);
}
/******************************************************************************
* Sets the rain source to the current emitter, and automatically adds fade-out
* affector.
* TODO: fix this to pass in values instead of an emitter pointer
*****************************************************************************/
void GameInstance::setRainEmitter(IParticleEmitter *rainEmitter){
this->rainParticleSystem->setEmitter(rainEmitter);
// add fade-out affector to the fire particle system
IParticleAffector* rainFadeOutAffector =
this->rainParticleSystem->createFadeOutParticleAffector();
this->rainParticleSystem->addAffector(rainFadeOutAffector);
rainFadeOutAffector->drop();
}
// Causes this object to explode, making it vanish, and return a particle
// effect node animating the explosion effect in its current position.
void Soldier::createExplosionEffect(){
// add a new explosion particle systems (for the two intermixed explosions)
this->explosionParticleSystem =
this->smgr->addParticleSystemSceneNode(false);
this->explosionParticleSystemLarge =
this->smgr->addParticleSystemSceneNode(false);
// add an emitter for BLOODSPLOSION!!!!!!!!!!!!!!!
IParticleEmitter *explosionEmitter =
this->explosionParticleSystem->createBoxEmitter(
aabbox3d<f32>(-5, 0, -5, 5, 1, 5), // emitter size
vector3df(0.0f,0.0f,0.1f), // direction + speed
2000, 5000, // min,max particles per second
SColor(0,255,255,255), // darkest color
SColor(0,255,255,255), // brightest color
200, 800, // min, max particle lifetime
360, // max angle degrees
dimension2df(40.0f, 40.0f), // min start size
dimension2df(200.0f, 200.0f)); // max start size
this->explosionParticleSystem->setEmitter(explosionEmitter);
explosionEmitter->drop(); // drop (re-created later)
//add gravity affector to BLOODSPLOSION!!!!!!!!!!!!
IParticleGravityAffector* pgaf = explosionParticleSystem->createGravityAffector
(vector3df(0.F,-0.2F,0.0F), 200U);
explosionParticleSystem->addAffector(pgaf);
pgaf->drop();
// add fade-out affector to the BLOODSPLOSION!!!!!!!!!!!!
IParticleAffector* explosionFadeOutAffector =
explosionParticleSystem->createFadeOutParticleAffector();
this->explosionParticleSystem->addAffector(explosionFadeOutAffector);
explosionFadeOutAffector->drop();
// customize the particle system positioning, etc.
vector3df explosionPos = this->sceneNode->getPosition();
if(explosionPos.Y < 0) // adjust position: no explosions underground!
explosionPos.Y = 0;
// adjust the blood
this->explosionParticleSystem->setPosition(explosionPos);
this->explosionParticleSystem->setScale(vector3df(45, 45, 45));
this->explosionParticleSystem->setMaterialFlag(EMF_LIGHTING, false);
this->explosionParticleSystem->setMaterialFlag(EMF_ZWRITE_ENABLE, false);
this->explosionParticleSystem->setMaterialTexture(0,
this->driver->getTexture("assets/textures/blood.bmp"));
this->explosionParticleSystem->setMaterialType(EMT_TRANSPARENT_ADD_COLOR);
}
IParticleSystemSceneNode* IrrFactory::addParticleSystemNode( const std::string& particleSystemFile )
{
PropertyMap propMap;
if( propMap.constructPropertyMap( SimFactory::TransformPath(particleSystemFile) ) )
{
// default values
const vector3df pos( 0, 0, 0 );
const vector3df rot( 0, 0, 0 );
const vector3df scale( 1, 1, 1 );
// create the particle system node
IParticleSystemSceneNode* pSystem = mIrr.getSceneManager()->addParticleSystemSceneNode( false, 0, -1, pos, rot, scale );
Assert( pSystem );
// read some custom properties
bool globalMovement = true;
dimension2df particleSize( 5.0f, 5.0f );
propMap.getValue( globalMovement, "ParticleSystem.System.GlobalMovement" );
propMap.getValue( particleSize, "ParticleSystem.System.ParticleSize" );
pSystem->setParticlesAreGlobal(globalMovement);
pSystem->setParticleSize(particleSize);
/// ---- load the effectors ----
// get the gravity properties
if( propMap.hasSection( "ParticleSystem.Gravity" ) )
{
vector3df gravDir( 0, -1, 0 );
uint32_t affectorTimeMS(1000);
// try to read params
propMap.getValue( gravDir, "ParticleSystem.Gravity.Direction" );
propMap.getValue( affectorTimeMS, "ParticleSystem.Gravity.AffectorTimeMS" );
gravDir = ConvertNeroToIrrlichtPosition(gravDir);
IParticleAffector* pGravity = pSystem->createGravityAffector( gravDir, affectorTimeMS );
Assert( pGravity );
pSystem->addAffector( pGravity );
pGravity->drop();
}
// get the fade properties
if( propMap.hasSection( "ParticleSystem.Fade" ) )
{
SColor targetColor(0,0,0,0);
uint32_t affectorTimeMS(1000);
// try to read params
propMap.getValue( targetColor, "ParticleSystem.Fade.TargetColor" );
propMap.getValue( affectorTimeMS, "ParticleSystem.Fade.AffectorTimeMS" );
IParticleAffector* pFade = pSystem->createFadeOutParticleAffector( targetColor, affectorTimeMS );
Assert( pFade );
pSystem->addAffector( pFade );
pFade->drop();
}
// ---- load the emitters ----
// --- NOTE: WE ONLY DO BOX EMITTERS ---
if( propMap.hasSection( "ParticleSystem.Emitter" ) )
{
// default params
aabbox3df box(-10, 28,-10, 10, 30, 10);
vector3df dir( 0, .03f, 0 );
uint32_t minParticlesPerSecond = 5;
uint32_t maxParticlesPerSecond = 10;
SColor minStartColor( 255, 0, 0, 0 );
SColor maxStartColor( 255, 255, 255, 255 );
uint32_t lifeTimeMin = 2000;
uint32_t lifeTimeMax = 4000;
int32_t maxAngleDegrees = 0;
// try to read custom params
propMap.getValue( box, "ParticleSystem.Emitter.Box" );
propMap.getValue( dir, "ParticleSystem.Emitter.Direction" );
propMap.getValue( minParticlesPerSecond, "ParticleSystem.Emitter.MinParticlesPerSecond" );
propMap.getValue( maxParticlesPerSecond, "ParticleSystem.Emitter.MaxParticlesPerSecond" );
propMap.getValue( minStartColor, "ParticleSystem.Emitter.MinStartColor" );
propMap.getValue( maxStartColor, "ParticleSystem.Emitter.MaxStartColor" );
propMap.getValue( lifeTimeMin, "ParticleSystem.Emitter.LifetimeMin" );
propMap.getValue( lifeTimeMax, "ParticleSystem.Emitter.LifetimeMax" );
propMap.getValue( maxAngleDegrees, "ParticleSystem.Emitter.MaxAngleDegrees" );
// do coordinate system transformations
dir = ConvertNeroToIrrlichtPosition(dir);
// create the emitter
IParticleEmitter* emit = pSystem->createBoxEmitter
( box,
dir,
minParticlesPerSecond,
maxParticlesPerSecond,
minStartColor,
maxStartColor,
lifeTimeMin,
lifeTimeMax,
maxAngleDegrees );
Assert( emit );
pSystem->setEmitter( emit );
emit->drop();
}
else
{
LOG_F_WARNING( "render", "No emitter in particle system file - " << particleSystemFile );
}
return pSystem;
}
return NULL;
}
//! Reads attributes of the scene node.
void CParticleSystemSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
{
IParticleSystemSceneNode::deserializeAttributes(in, options);
ParticlesAreGlobal = in->getAttributeAsBool("GlobalParticles");
ParticleSize.Width = in->getAttributeAsFloat("ParticleWidth");
ParticleSize.Height = in->getAttributeAsFloat("ParticleHeight");
// read emitter
int emitterIdx = in->findAttribute("Emitter");
if (emitterIdx == -1)
return;
if (Emitter)
Emitter->drop();
Emitter = 0;
E_PARTICLE_EMITTER_TYPE type = (E_PARTICLE_EMITTER_TYPE)
in->getAttributeAsEnumeration("Emitter", ParticleEmitterTypeNames);
switch(type)
{
case EPET_POINT:
Emitter = createPointEmitter();
break;
case EPET_ANIMATED_MESH:
Emitter = createAnimatedMeshSceneNodeEmitter(NULL); // we can't set the node - the user will have to do this
break;
case EPET_BOX:
Emitter = createBoxEmitter();
break;
case EPET_CYLINDER:
Emitter = createCylinderEmitter(core::vector3df(0,0,0), 10.f, core::vector3df(0,1,0), 10.f); // (values here don't matter)
break;
case EPET_MESH:
Emitter = createMeshEmitter(NULL); // we can't set the mesh - the user will have to do this
break;
case EPET_RING:
Emitter = createRingEmitter(core::vector3df(0,0,0), 10.f, 10.f); // (values here don't matter)
break;
case EPET_SPHERE:
Emitter = createSphereEmitter(core::vector3df(0,0,0), 10.f); // (values here don't matter)
break;
default:
break;
}
u32 idx = 0;
#if 0
if (Emitter)
idx = Emitter->deserializeAttributes(idx, in);
++idx;
#else
if (Emitter)
Emitter->deserializeAttributes(in);
#endif
// read affectors
removeAllAffectors();
u32 cnt = in->getAttributeCount();
while(idx < cnt)
{
const char* name = in->getAttributeName(idx);
if (!name || strcmp("Affector", name))
return;
E_PARTICLE_AFFECTOR_TYPE atype =
(E_PARTICLE_AFFECTOR_TYPE)in->getAttributeAsEnumeration(idx, ParticleAffectorTypeNames);
IParticleAffector* aff = 0;
switch(atype)
{
case EPAT_ATTRACT:
aff = createAttractionAffector(core::vector3df(0,0,0));
break;
case EPAT_FADE_OUT:
aff = createFadeOutParticleAffector();
break;
case EPAT_GRAVITY:
aff = createGravityAffector();
break;
case EPAT_ROTATE:
aff = createRotationAffector();
break;
case EPAT_SCALE:
aff = createScaleParticleAffector();
break;
case EPAT_NONE:
default:
break;
}
++idx;
if (aff)
{
#if 0
idx = aff->deserializeAttributes(idx, in, options);
++idx;
#else
aff->deserializeAttributes(in, options);
#endif
addAffector(aff);
aff->drop();
}
}
}
//! Reads attributes of the scene node.
void CParticleSystemSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
{
IParticleSystemSceneNode::deserializeAttributes(in, options);
ParticlesAreGlobal = in->getAttributeAsBool("GlobalParticles");
ParticleSize.Width = in->getAttributeAsFloat("ParticleWidth");
ParticleSize.Height = in->getAttributeAsFloat("ParticleHeight");
// read emitter
int emitterIdx = in->findAttribute("Emitter");
if (emitterIdx == -1)
return;
if (Emitter)
Emitter->drop();
Emitter = 0;
E_PARTICLE_EMITTER_TYPE type = (E_PARTICLE_EMITTER_TYPE)
in->getAttributeAsEnumeration("Emitter", ParticleEmitterTypeNames);
switch(type)
{
case EPET_POINT:
Emitter = createPointEmitter();
break;
case EPET_BOX:
Emitter = createBoxEmitter();
break;
}
s32 idx = 0;
if (Emitter)
idx = Emitter->deserializeAttributes(idx, in);
++idx;
// read affectors
removeAllAffectors();
s32 cnt = in->getAttributeCount();
while(idx < cnt)
{
const char* name = in->getAttributeName(idx);
if (!name || strcmp("Affector", name))
return;
E_PARTICLE_AFFECTOR_TYPE atype =
(E_PARTICLE_AFFECTOR_TYPE)in->getAttributeAsEnumeration(idx, ParticleAffectorTypeNames);
IParticleAffector* aff = 0;
switch(atype)
{
case EPAT_FADE_OUT:
aff = createFadeOutParticleAffector();
break;
case EPAT_GRAVITY:
aff = createGravityAffector();
break;
}
++idx;
if (aff)
{
idx = aff->deserializeAttributes(idx, in, options);
++idx;
addAffector(aff);
aff->drop();
}
}
}
