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Editor/Objects/SelectionGroup.h

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+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2001.
+// -------------------------------------------------------------------------
+//  File name:   SelectionGroup.h
+//  Version:     v1.00
+//  Created:     10/10/2001 by Timur.
+//  Compilers:   Visual C++ 6.0
+//  Description: CSelection group definition.
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __SelectionGroup_h__
+#define __SelectionGroup_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+class CBaseObject;
+
+#include "ObjectEvent.h"
+
+/*!
+ *	CSelectionGroup is a named selection group of objects.
+ */
+class CSelectionGroup
+{
+public:
+	//! Set name of selection.
+	void SetName( const CString &name ) { m_name = name; };
+	//! Get name of selection.
+	const CString& GetName() const { return m_name; };
+
+	//! Adds object into selection list.
+	void AddObject( CBaseObject *obj );
+	//! Remove object from selection list.
+	void RemoveObject( CBaseObject *obj );
+	//! Remove all objects from selection.
+	void RemoveAll();
+	//! Check if object contained in selection list.
+	bool IsContainObject( CBaseObject *obj );
+	//! Return true if selection doesnt contain any object.
+	bool IsEmpty() const;
+	//! Check if all selected objects are of same type
+	bool SameObjectType();
+	//! Number of selected object.
+	int	 GetCount() const;
+	//! Get object at givven index.
+	CBaseObject* GetObject( int index ) const;
+
+	//! Get mass center of selected objects.
+	Vec3	GetCenter() const;
+
+	//! Get Bounding box of selection.
+	BBox GetBounds() const;
+
+	void	Copy( const CSelectionGroup &from );
+
+	//! Remove from selection group all objects which have parent also in selection group.
+	//! And save resulting objects to saveTo selection.
+	void	FilterParents();
+	//! Get number of child filtered objects.
+	int GetFilteredCount() const { return m_filtered.size(); }
+	CBaseObject* GetFilteredObject( int i ) const { return m_filtered[i]; }
+
+	//////////////////////////////////////////////////////////////////////////
+	// Operations on selection group.
+	//////////////////////////////////////////////////////////////////////////
+	//! Move objects in selection by offset.
+	void Move( const Vec3 &offset,bool keepHeight,bool inWorldSpace );
+	//! Rotate objects in selection by givven angle.
+	void Rotate( const Vec3 &angles,bool inWorldSpace );
+	//! Scale objects in selection by givven scale.
+	void Scale( const Vec3 &scale,bool inWorldSpace );
+
+	//////////////////////////////////////////////////////////////////////////
+	//! Clone objects in this group and add cloned objects to new selection group.
+	//! Only topmost parent  objects will be added to this selection group.
+	void Clone( CSelectionGroup &newGroup );
+
+	//! Same as Copy but will copy all objects from hierarchy of current selection to new selection group.
+	void FlattenHierarchy( CSelectionGroup &newGroup );
+
+	//! Pick new parent and attach selection to it.
+	void PickAndAttach();
+
+	// Send event to all objects in selection group.
+	void SendEvent( ObjectEvent event );
+
+private:
+	CString m_name;
+	typedef std::vector<TSmartPtr<CBaseObject> > Objects;
+	Objects m_objects;
+	// Objects set, for fast searches.
+	std::set<CBaseObject*> m_objectsSet;
+
+	//! Selection list with child objecs filtered out.
+	std::vector<CBaseObject*> m_filtered;
+};
+
+#endif // __SelectionGroup_h__