minetest/irr/include/IVertexBuffer.h
2024-09-02 21:50:13 +02:00

76 lines
2.3 KiB
C++

// 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
#pragma once
#include "IReferenceCounted.h"
#include "irrArray.h"
#include "EHardwareBufferFlags.h"
#include "S3DVertex.h"
namespace irr
{
namespace scene
{
class IVertexBuffer : public virtual IReferenceCounted
{
public:
//! Get type of vertex data which is stored in this meshbuffer.
/** \return Vertex type of this buffer. */
virtual video::E_VERTEX_TYPE getType() const = 0;
//! Get access to vertex data. The data is an array of vertices.
/** Which vertex type is used can be determined by getVertexType().
\return Pointer to array of vertices. */
virtual const void *getData() const = 0;
//! Get access to vertex data. The data is an array of vertices.
/** Which vertex type is used can be determined by getVertexType().
\return Pointer to array of vertices. */
virtual void *getData() = 0;
//! Get amount of vertices in meshbuffer.
/** \return Number of vertices in this buffer. */
virtual u32 getCount() const = 0;
//! returns position of vertex i
virtual const core::vector3df &getPosition(u32 i) const = 0;
//! returns position of vertex i
virtual core::vector3df &getPosition(u32 i) = 0;
//! returns normal of vertex i
virtual const core::vector3df &getNormal(u32 i) const = 0;
//! returns normal of vertex i
virtual core::vector3df &getNormal(u32 i) = 0;
//! returns texture coord of vertex i
virtual const core::vector2df &getTCoords(u32 i) const = 0;
//! returns texture coord of vertex i
virtual core::vector2df &getTCoords(u32 i) = 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;
//! Used by the VideoDriver to remember the buffer link.
virtual void setHWBuffer(void *ptr) const = 0;
virtual void *getHWBuffer() const = 0;
};
} // end namespace scene
} // end namespace irr