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#pragma once
#include "irenderable.h"
#include "imapmerge.h"
#include "inode.h"
#include "iselection.h"
namespace render
{
/**
* Front end renderer base implementation shared by CamRenderer and XYRenderer
*
* Provides support for highlighting selected objects by activating the
* RenderableCollector's "highlight" flags based on the renderable object's
* selection state.
*/
class RenderableCollectorBase :
public IRenderableCollector
{
protected:
std::size_t _flags;
public:
RenderableCollectorBase() :
_flags(Highlight::Flags::NoHighlight)
{}
~RenderableCollectorBase() override
{}
bool hasHighlightFlags() const override
{
return _flags != 0;
}
bool hasHighlightFlag(Highlight::Flags flags) const override
{
return (_flags & flags) == flags;
}
void setHighlightFlag(Highlight::Flags flags, bool enabled) override
{
if (enabled)
{
_flags |= flags;
}
else
{
_flags &= ~flags;
}
}
virtual void processNode(const scene::INodePtr& node, const VolumeTest& volume)
{
node->onPreRender(volume);
// greebo: Highlighting propagates to child nodes
auto parent = node->getParent();
auto highlightFlags = node->getHighlightFlags();
auto nodeType = node->getNodeType();
// Particle nodes shouldn't inherit the highlight flags from their parent,
// as it obstructs the view when their wireframe gets rendered (#5682)
if (parent && nodeType != scene::INode::Type::Particle)
{
highlightFlags |= parent->getHighlightFlags();
}
if (nodeType == scene::INode::Type::MergeAction)
{
setHighlightFlag(Highlight::MergeAction, true);
auto mergeActionNode = std::dynamic_pointer_cast<scene::IMergeActionNode>(node);
assert(mergeActionNode);
switch (mergeActionNode->getActionType())
{
case scene::merge::ActionType::AddChildNode:
case scene::merge::ActionType::AddEntity:
setHighlightFlag(Highlight::MergeActionAdd, true);
setHighlightFlag(Highlight::MergeActionChange, false);
setHighlightFlag(Highlight::MergeActionRemove, false);
setHighlightFlag(Highlight::MergeActionConflict, false);
break;
case scene::merge::ActionType::AddKeyValue:
case scene::merge::ActionType::ChangeKeyValue:
case scene::merge::ActionType::RemoveKeyValue:
setHighlightFlag(Highlight::MergeActionChange, true);
setHighlightFlag(Highlight::MergeActionAdd, false);
setHighlightFlag(Highlight::MergeActionRemove, false);
setHighlightFlag(Highlight::MergeActionConflict, false);
break;
case scene::merge::ActionType::RemoveChildNode:
case scene::merge::ActionType::RemoveEntity:
setHighlightFlag(Highlight::MergeActionRemove, true);
setHighlightFlag(Highlight::MergeActionAdd, false);
setHighlightFlag(Highlight::MergeActionChange, false);
setHighlightFlag(Highlight::MergeActionConflict, false);
break;
case scene::merge::ActionType::ConflictResolution:
setHighlightFlag(Highlight::MergeActionConflict, true);
setHighlightFlag(Highlight::MergeActionAdd, false);
setHighlightFlag(Highlight::MergeActionChange, false);
setHighlightFlag(Highlight::MergeActionRemove, false);
break;
}
}
else
{
setHighlightFlag(Highlight::MergeAction, false);
setHighlightFlag(Highlight::MergeActionAdd, false);
setHighlightFlag(Highlight::MergeActionChange, false);
setHighlightFlag(Highlight::MergeActionRemove, false);
setHighlightFlag(Highlight::MergeActionConflict, false);
}
if (highlightFlags & Renderable::Highlight::Selected)
{
if (GlobalSelectionSystem().getSelectionMode() != selection::SelectionMode::Component)
{
setHighlightFlag(Highlight::Faces, true);
}
else
{
setHighlightFlag(Highlight::Faces, false);
}
setHighlightFlag(Highlight::Primitives, true);
// Pass on the info about whether we have a group member selected
if (highlightFlags & Renderable::Highlight::GroupMember)
{
setHighlightFlag(Highlight::GroupMember, true);
}
else
{
setHighlightFlag(Highlight::GroupMember, false);
}
}
else
{
setHighlightFlag(Highlight::Primitives, false);
setHighlightFlag(Highlight::Faces, false);
setHighlightFlag(Highlight::GroupMember, false);
}
// If this node should be highlighted, ask it to submit the corresponding geometry
if (hasHighlightFlags())
{
node->renderHighlights(*this, volume);
}
}
};
}
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