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#include "EclassModelNode.h"
#include <functional>
namespace entity {
EclassModelNode::EclassModelNode(const IEntityClassPtr& eclass) :
EntityNode(eclass),
_originKey(std::bind(&EclassModelNode::originChanged, this)),
_origin(ORIGINKEY_IDENTITY),
_rotationKey(std::bind(&EclassModelNode::rotationChanged, this)),
_angleKey(std::bind(&EclassModelNode::angleChanged, this)),
_angle(AngleKey::IDENTITY),
_renderOrigin(_origin),
_localAABB(Vector3(0,0,0), Vector3(1,1,1)), // minimal AABB, is determined by child bounds anyway
_noShadowsLit(false)
{}
EclassModelNode::EclassModelNode(const EclassModelNode& other) :
EntityNode(other),
Snappable(other),
_originKey(std::bind(&EclassModelNode::originChanged, this)),
_origin(ORIGINKEY_IDENTITY),
_rotationKey(std::bind(&EclassModelNode::rotationChanged, this)),
_angleKey(std::bind(&EclassModelNode::angleChanged, this)),
_angle(AngleKey::IDENTITY),
_renderOrigin(_origin),
_localAABB(Vector3(0,0,0), Vector3(1,1,1)), // minimal AABB, is determined by child bounds anyway
_noShadowsLit(false)
{}
EclassModelNode::~EclassModelNode()
{
}
EclassModelNodePtr EclassModelNode::Create(const IEntityClassPtr& eclass)
{
EclassModelNodePtr instance(new EclassModelNode(eclass));
instance->construct();
return instance;
}
void EclassModelNode::construct()
{
EntityNode::construct();
_rotation.setIdentity();
// Observe position and orientation spawnargs
static_assert(std::is_base_of<sigc::trackable, OriginKey>::value);
static_assert(std::is_base_of<sigc::trackable, RotationKey>::value);
observeKey("angle", sigc::mem_fun(_rotationKey, &RotationKey::angleChanged));
observeKey("rotation", sigc::mem_fun(_rotationKey, &RotationKey::rotationChanged));
observeKey("origin", sigc::mem_fun(_originKey, &OriginKey::onKeyValueChanged));
observeKey("noshadows_lit", sigc::mem_fun(this, &EclassModelNode::onNoshadowsLitChanged));
}
// Snappable implementation
void EclassModelNode::snapto(float snap)
{
_originKey.snap(snap);
_originKey.write(_spawnArgs);
}
const AABB& EclassModelNode::localAABB() const
{
return _localAABB;
}
void EclassModelNode::onPreRender(const VolumeTest& volume)
{
EntityNode::onPreRender(volume);
if (isSelected())
{
_renderOrigin.update(_pivotShader);
}
}
void EclassModelNode::setRenderSystem(const RenderSystemPtr& renderSystem)
{
EntityNode::setRenderSystem(renderSystem);
if (renderSystem)
{
_pivotShader = renderSystem->capture(BuiltInShaderType::Pivot);
}
else
{
_pivotShader.reset();
}
}
scene::INodePtr EclassModelNode::clone() const
{
EclassModelNodePtr node(new EclassModelNode(*this));
node->construct();
node->constructClone(*this);
return node;
}
void EclassModelNode::translate(const Vector3& translation)
{
_origin += translation;
_renderOrigin.queueUpdate();
}
void EclassModelNode::rotate(const Quaternion& rotation)
{
_rotation.rotate(rotation);
}
void EclassModelNode::_revertTransform()
{
_origin = _originKey.get();
_renderOrigin.queueUpdate();
_rotation = _rotationKey.m_rotation;
}
void EclassModelNode::_freezeTransform()
{
_originKey.set(_origin);
_originKey.write(_spawnArgs);
_rotationKey.m_rotation = _rotation;
_rotationKey.write(&_spawnArgs, true);
}
void EclassModelNode::_onTransformationChanged()
{
if (getType() == TRANSFORM_PRIMITIVE)
{
_revertTransform();
translate(getTranslation());
rotate(getRotation());
updateTransform();
}
}
void EclassModelNode::_applyTransformation()
{
if (getType() == TRANSFORM_PRIMITIVE)
{
_revertTransform();
translate(getTranslation());
rotate(getRotation());
_freezeTransform();
}
}
const Vector3& EclassModelNode::getUntransformedOrigin()
{
return _originKey.get();
}
const Vector3& EclassModelNode::getWorldPosition() const
{
return _origin;
}
void EclassModelNode::updateTransform()
{
_renderOrigin.queueUpdate();
setLocalToParent(Matrix4::getTranslation(_origin) * _rotation.getMatrix4());
EntityNode::transformChanged();
}
void EclassModelNode::originChanged()
{
_origin = _originKey.get();
updateTransform();
}
void EclassModelNode::rotationChanged()
{
_rotation = _rotationKey.m_rotation;
updateTransform();
}
void EclassModelNode::angleChanged()
{
_angle = _angleKey.getValue();
updateTransform();
}
void EclassModelNode::onNoshadowsLitChanged(const std::string& value)
{
_noShadowsLit = value == "1";
}
bool EclassModelNode::isShadowCasting() const
{
// Both noShadowsLit and noShadows should be false
// It's hard to determine whether a compound entity like wall toches are starting
// in lit state, so we rather turn off shadow casting for them regardless of their state.
return !_noShadowsLit && EntityNode::isShadowCasting();
}
void EclassModelNode::onSelectionStatusChange(bool changeGroupStatus)
{
EntityNode::onSelectionStatusChange(changeGroupStatus);
if (isSelected())
{
_renderOrigin.queueUpdate();
}
else
{
_renderOrigin.clear();
}
}
} // namespace entity
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