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#pragma once
#include <sigc++/trackable.h>
#include "scene/Node.h"
#include "RenderableTargetLines.h"
namespace entity
{
class EntityNode;
/**
* Non-selectable node representing one ore more connection lines between
* entities, displayed as a line with an arrow in the middle.
* It is owned and managed by the EntityNode hosting the corresponding TargetKey.
* The rationale of inserting these lines as separate node type is to prevent
* the lines from disappearing from the view when the targeting/targeted entities
* get culled by the space partitioning system during rendering.
*/
class TargetLineNode final :
public scene::Node,
public sigc::trackable
{
private:
EntityNode& _owner;
RenderableTargetLines _targetLines;
public:
TargetLineNode(EntityNode& owner);
TargetLineNode(TargetLineNode& other);
// Returns the type of this node
Type getNodeType() const override;
const AABB& localAABB() const override;
void onPreRender(const VolumeTest& volume) override;
void renderHighlights(IRenderableCollector& collector, const VolumeTest& volumeTest) override;
std::size_t getHighlightFlags() override;
void onRenderSystemChanged();
void onInsertIntoScene(scene::IMapRootNode& root) override;
void onRemoveFromScene(scene::IMapRootNode& root) override;
void queueRenderableUpdate();
protected:
void onVisibilityChanged(bool isVisibleNow) override;
void onRenderStateChanged() override;
private:
Vector3 getOwnerPosition() const;
};
}
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