123

Editor/Objects/ObjectLayerManager.h

@@ -0,0 +1,115 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   objectlayermanager.h
+//  Version:     v1.00
+//  Created:     9/5/2003 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: Manages objects layers.
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __objectlayermanager_h__
+#define __objectlayermanager_h__
+#pragma once
+
+#include "ObjectLayer.h"
+
+class CObjectManager;
+class CObjectArchive;
+
+/** Manager of objects layers.
+		Instance of these hosted by CObjectManager class.
+*/
+class CObjectLayerManager
+{
+public:
+	enum EUpdateType {
+		ON_LAYER_ADD,
+		ON_LAYER_REMOVE,
+		ON_LAYER_MODIFY,
+		ON_LAYER_SELECT,
+		ON_LAYER_UPDATEALL
+	};
+	//! Update callback, first integer is one of EUpdateType enums.
+	typedef Functor2<int,CObjectLayer*> LayersUpdateCallback;
+
+	CObjectLayerManager( CObjectManager *pObjectManager );
+
+	//! Creates a new layer, and associate it with layer manager.
+	CObjectLayer* CreateLayer();
+	//! Add already created layer to manager.
+	void AddLayer( CObjectLayer *pLayer );
+	//! Delete layer from layer manager.
+	void DeleteLayer( CObjectLayer *pLayer );
+	//! Delete all layers from layer manager.
+	void ClearLayers();
+
+	//! Find layer by layer GUID.
+	CObjectLayer* FindLayer( REFGUID guid ) const;
+
+	//! Search for layer by name.
+	CObjectLayer* FindLayerByName( const CString &layerName ) const;
+
+	//! Get a list of all managed layers.
+	void GetLayers( std::vector<CObjectLayer*> &layers ) const;
+
+	//! Set this layer is current.
+	void SetCurrentLayer( CObjectLayer* pCurrLayer );
+	CObjectLayer* GetCurrentLayer() const { return m_pCurrentLayer; };
+
+	//! Return root main layer.
+	CObjectLayer* GetMainLayer() const { return m_pMainLayer; }
+
+	//! Associate On Layers update listener.
+	//! This callback will be called everytime layers are added/removed or modified.
+	void AddUpdateListener( const LayersUpdateCallback &cb );
+	//! Remove update listeners.
+	void RemoveUpdateListener( const LayersUpdateCallback &cb );
+
+	//! Called when some layers gets modified.
+	void NotifyLayerChange( CObjectLayer *pLayer );
+
+	//! Get pointer to object manager who owns this layer manager.
+	CObjectManager* GetObjectManager() const { return m_pObjectManager; }
+
+	//! Export layer to objects archive.
+	void ExportLayer( CObjectLayer *pLayer,CObjectArchive &ar,bool bExportExternalChilds );
+	//! Import layer from objects archive.
+	CObjectLayer* ImportLayer( CObjectArchive &ar,bool bResolveObject );
+
+	// Serialize layer manager (called from object manager).
+	void	Serialize( CObjectArchive &ar,bool bIgnoreExternalLayers );
+
+	//! Resolve links between layers.
+	void ResolveLayerLinks();
+
+private:
+	void SaveExternalLayer( CObjectLayer *pLayer,CObjectArchive &archive );
+	void LoadExternalLayer( const CString &layerName,CObjectArchive &archive );
+	void NotifyListeners( EUpdateType type,CObjectLayer *pLayer );
+
+	//////////////////////////////////////////////////////////////////////////
+	//! Map of layer GUID to layer pointer.
+	typedef std::map<GUID,TSmartPtr<CObjectLayer>,guid_less_predicate> LayersMap;		
+	LayersMap m_layersMap;
+
+	//! Pointer to currently active layer.
+	TSmartPtr<CObjectLayer>	m_pCurrentLayer;
+	//! Main layer, root for all other layers.
+	TSmartPtr<CObjectLayer> m_pMainLayer;
+	//////////////////////////////////////////////////////////////////////////
+
+	CFunctorsList<LayersUpdateCallback> m_listeners;
+	CObjectManager *m_pObjectManager;
+	//! Layers path relative to level folder.
+	CString m_layersPath;
+
+	bool m_bOverwriteDuplicates;
+};
+
+#endif // __objectlayermanager_h__