text: // Copyright (C) 2008-2012 Nikolaus Gebhardt
  // This file is part of the "Irrlicht Engine".
  // For conditions of distribution and use, see copyright notice in irrlicht.h
  
  #ifndef IRR_I_INDEX_BUFFER_H_INCLUDED
  #define IRR_I_INDEX_BUFFER_H_INCLUDED
  
  #include "IReferenceCounted.h"
  #include "irrArray.h"
  #include "EHardwareBufferFlags.h"
  #include "SVertexIndex.h"
  
  namespace irr
  {
  
  namespace scene
  {
  
  	class IIndexBuffer : public virtual IReferenceCounted
  	{
  	public:
  
  		virtual void* getData() =0;
  
  		virtual video::E_INDEX_TYPE getType() const =0;
  		virtual void setType(video::E_INDEX_TYPE IndexType) =0;
  
  		virtual u32 stride() const =0;
  
  		virtual u32 size() const =0;
  		virtual void push_back (const u32 &element) =0;
  		virtual u32 operator [](u32 index) const =0;
  		virtual u32 getLast() =0;
  		virtual void setValue(u32 index, u32 value) =0;
  		virtual void set_used(u32 usedNow) =0;
  		virtual void reallocate(u32 new_size) =0;
  		virtual u32 allocated_size() const=0;
  
  		virtual void* pointer() =0;
  
  		//! get the current hardware mapping hint
  		virtual E_HARDWARE_MAPPING getHardwareMappingHint() const =0;
  
  		//! set the hardware mapping hint, for driver
  		virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint ) =0;
  
  		//! flags the meshbuffer as changed, reloads hardware buffers
  		virtual void setDirty() = 0;
  
  		//! Get the currently used ID for identification of changes.
  		/** This shouldn't be used for anything outside the VideoDriver. */
  		virtual u32 getChangedID() const = 0;
  	};
  
  
  } // end namespace scene
  } // end namespace irr
  
  #endif
  