const scene::GraphPtr& RenderPreview::getScene()
{
if (!_scene)
{
_scene = GlobalSceneGraphFactory().createSceneGraph();
setupSceneGraph();
associateRenderSystem();
}
return _scene;
}
void ParticlePreview::setParticle(const std::string& name)
{
std::string nameClean = name;
if (boost::algorithm::ends_with(nameClean, ".prt"))
{
nameClean = nameClean.substr(0, nameClean.length() - 4);
}
// If the model name is empty, release the model
if (nameClean.empty())
{
if (_particleNode)
{
_entity->removeChildNode(_particleNode);
}
_particleNode.reset();
stopPlayback();
return;
}
// Set up the scene
if (!_entity)
{
setupSceneGraph();
}
if (_particleNode)
{
_entity->removeChildNode(_particleNode);
}
// Construct the particle emitter node
_particleNode = GlobalParticlesManager().createParticleNode(nameClean);
if (_particleNode && _lastParticle != nameClean)
{
_entity->addChildNode(_particleNode);
// Reset preview time
stopPlayback();
// Reset the rotation to the default one
_rotation = Matrix4::getRotation(Vector3(0,-1,0), Vector3(0,-0.3f,1));
_rotation.multiplyBy(Matrix4::getRotation(Vector3(0,1,0), Vector3(1,-1,0)));
// Call update(0) once to enable the bounds calculation
_particleNode->getParticle()->update(_rotation);
// Use particle AABB to adjust camera distance
const AABB& particleBounds = _particleNode->getParticle()->getBounds();
if (particleBounds.isValid())
{
_camDist = -2.0f * static_cast<float>(particleBounds.getRadius());
}
else
{
// Bounds not valid, fall back to default
_camDist = -40.0f;
}
_lastParticle = nameClean;
// Start playback when switching particles
startPlayback();
}
// Redraw
queueDraw();
}
// Set the model, this also resets the camera
void AnimationPreview::setModelNode(const scene::INodePtr& node)
{
// Ensure that this is an MD5 model node
model::ModelNodePtr model = Node_getModel(node);
if (!model)
{
rError() << "AnimationPreview::setModelNode: node is not a model." << std::endl;
_model.reset();
return;
}
// Set up the scene
if (!_entity)
{
setupSceneGraph();
}
try
{
dynamic_cast<const md5::IMD5Model&>(model->getIModel());
}
catch (std::bad_cast&)
{
rError() << "AnimationPreview::setModelNode: modelnode doesn't contain an MD5 model." << std::endl;
_model.reset();
return;
}
if (_model)
{
_entity->removeChildNode(_model);
}
_model = node;
// Set the animation to play
dynamic_cast<md5::IMD5Model&>(model->getIModel()).setAnim(_anim);
// AddChildNode also tells the model which renderentity it is attached to
_entity->addChildNode(_model);
if (_model != NULL)
{
// Reset preview time
stopPlayback();
// Reset the rotation to the default one
_rotation = Matrix4::getRotation(Vector3(0,-1,0), Vector3(0,-0.3f,1));
_rotation.multiplyBy(Matrix4::getRotation(Vector3(0,1,0), Vector3(1,-1,0)));
// Use AABB to adjust camera distance
const AABB& bounds = _model->localAABB();
if (bounds.isValid())
{
_camDist = -5.0f * static_cast<float>(bounds.getRadius());
}
else
{
// Bounds not valid, fall back to default
_camDist = -40.0f;
}
// Start playback when switching particles
startPlayback();
}
else
{
stopPlayback();
}
// Redraw
queueDraw();
}
