chrenderdata.h

Windows上的MUD客户端程序

/*----------------------------------------------------------------------------
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       /  \   _ __   __| |_ __ ___  _ __ ___   ___  __| |_  __ _ 
      / /\ \ | '_ \ / _` | '__/ _ \| '_ ` _ \ / _ \/ _` | |/ _` |
     / ____ \| | | | (_| | | | (_) | | | | | |  __/ (_| | | (_| |
    /_/    \_\_| |_|\__,_|_|  \___/|_| |_| |_|\___|\__,_|_|\__,_|

    The contents of this file are subject to the Andromedia Public
	License Version 1.0 (the "License"); you may not use this file
	except in compliance with the License. You may obtain a copy of
	the License at http://www.andromedia.com/APL/

    Software distributed under the License is distributed on an
	"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
	implied. See the License for the specific language governing
	rights and limitations under the License.

    The Original Code is Pueblo client code, released November 4, 1998.

    The Initial Developer of the Original Code is Andromedia Incorporated.
	Portions created by Andromedia are Copyright (C) 1998 Andromedia
	Incorporated.  All Rights Reserved.

	Andromedia Incorporated                         415.365.6700
	818 Mission Street - 2nd Floor                  415.365.6701 fax
	San Francisco, CA 94103

    Contributor(s):
	--------------------------------------------------------------------------
	   Chaco team:  Dan Greening, Glenn Crocker, Jim Doubek,
	                Coyote Lussier, Pritham Shetty.

					Wrote and designed original codebase.

------------------------------------------------------------------------------

	Declaration for the ChQvRenderData class and derivations, 
	which are used to store renderer specific object data for 3d graphics renderers 
	associated with QvNodes. 

----------------------------------------------------------------------------*/

// $Header: /home/cvs/chaco/modules/client/msw/ChGraphx/ChRenderData.h,v 2.18 1996/10/03 21:46:11 jimd Exp $
//
#if !defined( _CHRENDERDATA_H )
#define _CHRENDERDATA_H

#include "ChRender.h"

#include "ChVrmlEvent.h"

#ifdef HUGE
#undef HUGE
#endif
													   
// Add an event handler to a dispatcher table
#define AddVrmlDispatcher( name, ty, fn)	\
(GetDispatcher()->Insert(string(name), ChEventDispatch(ChVRMLEvent::ty, ChVrmlEventHandler(fn))))


// Render Data Classes. 
// ChQvRenderData is an abc for use by Qv. 
// ChQvRenderBaseData is lowest level instantiable class.
// Note that shapes are multiply inherited.


class ChApplet;
class ChIVrmlEvent;
class ChQvScriptRenderData;

// Chaco class to hold renderer-specific data in a Qv node
// Derive for each class and each renderer as needed 
class ChQvRenderBaseData : public ChQvRenderData
{
	friend class ChQvRenderBaseDataIterator;
	friend class ChRenderContext;	  // todo: clean up this access
	public:
		typedef bool (ChQvRenderBaseData::*ChVrmlEventHandler)(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		class ChEventDispatch
		{
			public:
				ChVRMLEvent::type		m_eventType;
				ChVrmlEventHandler		m_handler;
			public:
				ChEventDispatch() : 
					m_eventType(ChVRMLEvent::invalid),		m_handler(0) { };
				ChEventDispatch(ChVRMLEvent::type t, ChVrmlEventHandler handler) :
					m_eventType(t),		m_handler(handler) { };
		};
		typedef ChSplay<string, ChEventDispatch>	ChVrmlDispatcher;

	protected:


		ChPtrList<ChQvInstance>	m_instances;
		ChPtrList<ChQvInstance>	m_dependents;
		
 		QvNode *m_pNode;
		ChPtrList<ChQvScriptRenderData> m_scripts;

	public:
		ChQvRenderBaseData() : ChQvRenderData() {};
		ChQvRenderBaseData(QvNode *pNode) : ChQvRenderData()
			{ Attach(pNode);};
		virtual ~ChQvRenderBaseData();

		ChQvRenderBaseData *Attach(QvNode *pNode);
		ChQvRenderBaseData *Add(ChQvInstance *pInstance);
		ChQvRenderBaseData *Remove(ChQvInstance *pInstance);
		ChQvRenderBaseData *AddDependent(ChQvInstance *pInstance);
		bool RemoveDependent(ChQvInstance *pInstance);
		int GetInstanceCount();
		inline QvNode * GetNode() {return m_pNode;};

		ChQvRenderBaseData *Add(ChQvScriptRenderData *pScript);
		ChQvRenderBaseData *Remove(ChQvScriptRenderData *pScript);

		virtual bool DispatchEvent(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEventList);

		static void Term();

		void PurgeQv();
		void Init() {};	// for dispatcher
		
		virtual void SetDirty(bool boolDirty = true); 


	protected:
		 virtual ChVrmlDispatcher	*GetDispatcher() {return 0;};
};

// Iterator for instances and scripts attached
class ChQvRenderBaseDataIterator
{
	public:
		ChQvRenderBaseDataIterator();
		ChQvRenderBaseDataIterator( const ChQvRenderBaseData& rbd );

		virtual ~ChQvRenderBaseDataIterator();

		virtual void Attach( ChQvRenderBaseData& rbd );
		virtual int Iterate();
		virtual int IterateDependents();
		virtual int IterateScripts();

		virtual int DoInstance(ChQvInstance& inst) {return 1;};
		virtual int DoScript(ChQvScriptRenderData& script) {return 1;};

   protected:
		ChQvRenderBaseData* m_pData;

   private:
											/* Disable copy constructor and
												assignment operator */

      inline ChQvRenderBaseDataIterator( const ChQvRenderBaseDataIterator& ) {}
      inline ChQvRenderBaseDataIterator& operator=( const ChQvRenderBaseDataIterator& )
      			{
      				return *this;
      			}
};


/*----------------------------------------------------------------------------
	ChQvInfoRenderData class
----------------------------------------------------------------------------*/

class ChQvInfoRenderData : public ChQvRenderBaseData
{
	
	protected:
		ChShadingLevel		m_shading;;

	public:
		ChQvInfoRenderData(QvInfo *pNode) : ChQvRenderBaseData(pNode), m_shading( defaultShading ) {}
		virtual ~ChQvInfoRenderData() {}

		inline ChQvInfoRenderData * SetShading( ChShadingLevel shading )
			{ m_shading = shading; return this; }
		inline ChShadingLevel GetShading() { return m_shading; };

};


/*----------------------------------------------------------------------------
	ChQvIFSRenderData class
----------------------------------------------------------------------------*/

class ChQvIndexedFaceSetNormals;

class ChQvIFSRenderData : public ChQvRenderBaseData
{	   
								// Indexed face set
	friend class QvIndexedFaceSet;

	protected:
		ChQvIndexedFaceSetNormals *m_pNormals;
		bool m_boolValid;		// whether the coord index is valid
		bool CheckValid(QvIndexedFaceSet* ifs, QvState* state);

	public:
		ChQvIFSRenderData(QvIndexedFaceSet* ifs, QvState* state);
		virtual ~ChQvIFSRenderData(); 

		ChQvIndexedFaceSetNormals *GetNormals() { return m_pNormals; };
		void Init(QvIndexedFaceSet* ifs, QvState* state);
		bool IsValid() {return m_boolValid;};

};



/*----------------------------------------------------------------------------
	ChQvMaterialRenderData class
----------------------------------------------------------------------------*/
class ChMaterialCache;
class ChMaterialCacheElement;
#include <QvMaterial.h>

class ChQvMaterialRenderData : public ChQvRenderBaseData
{
	
	protected:
		
		#if (defined(CH_USE_D3D))
		ChMaterialCache	*m_pCache;
		#endif

	public:
		ChQvMaterialRenderData(QvMaterial *pNode);
		virtual ~ChQvMaterialRenderData();

		#if (defined(CH_USE_D3D))
		ChNrMaterial Find(int index);
		void Add(int index, ChNrMaterial mat);
		#endif

	protected:
		#if (defined(CH_USE_D3D))
		double Key(int index);
		ChNrMaterial Find(const double &key);
		#endif

};

/*----------------------------------------------------------------------------
	ChQvTransformationRenderData class
----------------------------------------------------------------------------*/

class ChQvTransformationRenderData : public ChQvRenderBaseData
{	   
							

	private:
		static ChVrmlDispatcher		*m_pDispatcher;

	public:
		ChQvTransformationRenderData(QvNode* pNode);
		virtual ~ChQvTransformationRenderData();
		
		// VRML 2.0 Style Event Handlers
		bool OnSetRotation(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		bool OnSetTranslation(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		bool OnSetScaleFactor(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		bool OnSetScaleOrientation(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		bool OnSetCenter(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		

		// Dispatch Table for this class
 		virtual ChVrmlDispatcher *GetDispatcher() {return m_pDispatcher;};

		void ChQvTransformationRenderData::Init();

		static void Term();
		virtual void SetDirty(bool boolDirty = true); 

};

/*----------------------------------------------------------------------------
	ChQvGroupRenderData class - all group node types
----------------------------------------------------------------------------*/

class ChQvGroupRenderData : public ChQvRenderBaseData
{	   
							

	private:
		static ChVrmlDispatcher		*m_pDispatcher;

	public:
		ChQvGroupRenderData(QvNode* pNode);
		virtual ~ChQvGroupRenderData();
		
		// VRML 2.0 Event Handlers
		bool OnAddChildren(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);
		bool OnRemoveChildren(ChRenderContext *pRC, ChApplet * pApplet, ChIVrmlEvent *pEvent);

 		virtual ChVrmlDispatcher *GetDispatcher() {return m_pDispatcher;};

		void ChQvGroupRenderData::Init();

		static void Term();
		ChQvGroupRenderData* Instantiate(ChMazeWnd * pWnd, QvNode *pNewChild);
		bool IsNodeAddable(QvNode *pChild);
		bool IsNodeRemovable(QvNode *pChild);


};

/*----------------------------------------------------------------------------
	ChQvInlineRenderData class
----------------------------------------------------------------------------*/
class ChMazeWnd;
class ChParseInfo;
class ChMazeInlineHTTPReq;

class ChQvWWWInlineRenderData : public ChQvGroupRenderData
{	   
	friend class QvWWWInline;

	protected:
		string m_strURL;
		ChParseInfo * m_pParseInfo;
		ChMazeInlineHTTPReq*  m_pHttpReq;

	public:
		ChQvWWWInlineRenderData(QvWWWInline* pNode) : ChQvGroupRenderData(pNode), 
			m_pParseInfo(0), m_pHttpReq(0)
			{};
		virtual ~ChQvWWWInlineRenderData(); 

		ChQvWWWInlineRenderData* Instantiate(ChMazeWnd * pWnd, QvNode *pNewChild);
		string& GetCurrentURL() {return m_strURL;};
		void SetURL(string &strURL) {m_strURL = strURL;};
		inline void SetParseInfo(ChParseInfo * pParseInfo) { m_pParseInfo = pParseInfo; };
		inline ChParseInfo * GetParseInfo() { return m_pParseInfo; };
		inline ChMazeInlineHTTPReq* GetReq() {return m_pHttpReq; };
		inline void SetReq(ChMazeInlineHTTPReq*  pReq) {m_pHttpReq = pReq;};

};

/*----------------------------------------------------------------------------
	ChQvTexture2TransformRenderData class
----------------------------------------------------------------------------*/