//---------------------------------------------------------------------
void Overlay::_findVisibleObjects(Camera* cam, RenderQueue* queue)
{
OverlayContainerList::iterator i, iend;
if (OverlayManager::getSingleton().hasViewportChanged())
{
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_notifyViewport();
}
}
// update elements
if (mTransformUpdated)
{
OverlayContainerList::iterator i, iend;
Matrix4 xform;
_getWorldTransforms(&xform);
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_notifyWorldTransforms(xform);
}
mTransformUpdated = false;
}
if (mVisible)
{
// Add 3D elements
mRootNode->setPosition(cam->getDerivedPosition());
mRootNode->setOrientation(cam->getDerivedOrientation());
mRootNode->_update(true, false);
// Set up the default queue group for the objects about to be added
uint8 oldgrp = queue->getDefaultQueueGroup();
ushort oldPriority = queue-> getDefaultRenderablePriority();
queue->setDefaultQueueGroup(RENDER_QUEUE_OVERLAY);
queue->setDefaultRenderablePriority((mZOrder*100)-1);
mRootNode->_findVisibleObjects(cam, queue, NULL, true, false);
// Reset the group
queue->setDefaultQueueGroup(oldgrp);
queue->setDefaultRenderablePriority(oldPriority);
// Add 2D elements
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_update();
(*i)->_updateRenderQueue(queue);
}
}
}
//---------------------------------------------------------------------
void Overlay::add2D(OverlayContainer* cont)
{
m2DElements.push_back(cont);
// Notify parent
cont->_notifyParent(0, this);
assignZOrders();
Matrix4 xform;
_getWorldTransforms(&xform);
cont->_notifyWorldTransforms(xform);
cont->_notifyViewport();
}
//---------------------------------------------------------------------
void Overlay::add2D(OverlayContainer* cont)
{
m2DElements.push_back(cont);
// Notify parent
cont->_notifyParent(0, this);
// Set Z order, scaled to separate overlays
// NB max 100 container levels per overlay, should be plenty
cont->_notifyZOrder(mZOrder * 100);
Matrix4 xform;
_getWorldTransforms(&xform);
cont->_notifyWorldTransforms(xform);
cont->_notifyViewport();
}
//---------------------------------------------------------------------
void Overlay::_findVisibleObjects(Camera* cam, RenderQueue* queue, Viewport* vp)
{
if (mVisible)
{
// Flag for update pixel-based GUIElements if viewport has changed dimensions
bool tmpViewportDimensionsChanged = false;
if (mLastViewportWidth != vp->getActualWidth() ||
mLastViewportHeight != vp->getActualHeight())
{
tmpViewportDimensionsChanged = true;
mLastViewportWidth = vp->getActualWidth();
mLastViewportHeight = vp->getActualHeight();
}
OverlayContainerList::iterator i, iend;
if (tmpViewportDimensionsChanged)
{
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_notifyViewport();
}
}
// update elements
if (mTransformUpdated)
{
Matrix4 xform;
_getWorldTransforms(&xform);
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_notifyWorldTransforms(xform);
}
mTransformUpdated = false;
}
#ifdef ENABLE_INCOMPATIBLE_OGRE_2_0
// Add 3D elements
mRootNode->setPosition(cam->getDerivedPosition());
mRootNode->setOrientation(cam->getDerivedOrientation());
//TODO: (dark_sylinc)
mRootNode->_update(true, false);
#endif
// Set up the default queue group for the objects about to be added
uint8 oldgrp = queue->getDefaultQueueGroup();
ushort oldPriority = queue->getDefaultRenderablePriority();
queue->setDefaultQueueGroup(RENDER_QUEUE_OVERLAY);
queue->setDefaultRenderablePriority(static_cast<ushort>((mZOrder * 100) - 1));
#ifdef ENABLE_INCOMPATIBLE_OGRE_2_0
mRootNode->_findVisibleObjects(cam, queue, NULL, true, false);
#endif
// Reset the group
queue->setDefaultQueueGroup(oldgrp);
queue->setDefaultRenderablePriority(oldPriority);
// Add 2D elements
iend = m2DElements.end();
for (i = m2DElements.begin(); i != iend; ++i)
{
(*i)->_update();
(*i)->_updateRenderQueue(queue, cam, cam);
}
}
}