void Node::evaluateBounds() const
{
if (_boundsChanged)
{
ASSERT_MESSAGE(!_boundsMutex, "re-entering bounds evaluation");
_boundsMutex = true;
_bounds = childBounds();
_bounds.includeAABB(
AABB::createFromOrientedAABBSafe(localAABB(), localToWorld())
);
_boundsMutex = false;
_boundsChanged = false;
// Now that our bounds are re-calculated, notify the scenegraph
GraphPtr sceneGraph = _sceneGraph.lock();
if (sceneGraph)
{
sceneGraph->nodeBoundsChanged(const_cast<Node*>(this)->shared_from_this());
}
}
}
void Node::evaluateBounds() const
{
if (_boundsChanged)
{
ASSERT_MESSAGE(!_boundsMutex, "re-entering bounds evaluation");
_boundsMutex = true;
_bounds = childBounds();
_bounds.includeAABB(
aabb_for_oriented_aabb_safe(localAABB(), localToWorld())
);
_boundsMutex = false;
_boundsChanged = false;
// Now that our bounds are re-calculated, notify the scenegraph
GlobalSceneGraph().nodeBoundsChanged(const_cast<Node*>(this)->shared_from_this());
}
}
void UiElement::updateLayout( const UiLayoutContext& context )
{
if( !m_layoutChanged )
{
return;
}
UiRectangle parentBounds;
if( m_pParent )
{
parentBounds = m_pParent->m_layoutRectangle;
}
else
{
parentBounds.left = 0.0f;
parentBounds.top = 0.0f;
parentBounds.bottom = m_height.value;
parentBounds.right = m_width.value;
}
m_layoutRectangle = parentBounds;
getElementLayoutSizeAndPosition( m_layoutRectangle.left, m_layoutRectangle.right, m_position.getLeft(), m_position.getRight(), m_width, parentBounds.left, parentBounds.right, 0.0f, m_margin.left, m_margin.right, m_padding.getWidth(), context );
getElementLayoutSizeAndPosition( m_layoutRectangle.top, m_layoutRectangle.bottom, m_position.getTop(), m_position.getBottom(), m_height, parentBounds.top, parentBounds.bottom, 0.0f, m_margin.top, m_margin.bottom, m_padding.getHeight(), context );
UiRectangle childBounds( f32::maxValue, f32::maxValue, -f32::maxValue, -f32::maxValue );
if( m_children.isEmpty() )
{
childBounds.clear();
}
for( UiElement& child : m_children )
{
child.updateLayout( context );
childBounds.extend( child.m_layoutRectangle );
}
getElementLayoutSizeAndPosition( m_layoutRectangle.left, m_layoutRectangle.right, m_position.getLeft(), m_position.getRight(), m_width, parentBounds.left, parentBounds.right, childBounds.getWidth(), m_margin.left, m_margin.right, m_padding.getWidth(), context );
getElementLayoutSizeAndPosition( m_layoutRectangle.top, m_layoutRectangle.bottom, m_position.getTop(), m_position.getBottom(), m_height, parentBounds.top, parentBounds.bottom, childBounds.getHeight(), m_margin.top, m_margin.bottom, m_padding.getHeight(), context );
m_layoutChanged = false;
}
