irrlicht/include/CDynamicMeshBuffer.h
cutealien f9c85f380d Adding comments.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6331 dfc29bdd-3216-0410-991c-e03cc46cb475
2022-04-12 16:04:56 +00:00

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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
#ifndef IRR_C_DYNAMIC_MESHBUFFER_H_INCLUDED
#define IRR_C_DYNAMIC_MESHBUFFER_H_INCLUDED
#include "IDynamicMeshBuffer.h"
#include "CVertexBuffer.h"
#include "CIndexBuffer.h"
namespace irr
{
namespace scene
{
//! Implementation of the IMeshBuffer interface for which can work with 16 and 32 bit indices as well as different vertex types
class CDynamicMeshBuffer: public IDynamicMeshBuffer
{
public:
//! constructor
CDynamicMeshBuffer(video::E_VERTEX_TYPE vertexType, video::E_INDEX_TYPE indexType)
: PrimitiveType(EPT_TRIANGLES)
{
VertexBuffer=new CVertexBuffer(vertexType);
IndexBuffer=new CIndexBuffer(indexType);
}
//! destructor
virtual ~CDynamicMeshBuffer()
{
if (VertexBuffer)
VertexBuffer->drop();
if (IndexBuffer)
IndexBuffer->drop();
}
virtual IVertexBuffer& getVertexBuffer() const IRR_OVERRIDE
{
return *VertexBuffer;
}
virtual IIndexBuffer& getIndexBuffer() const IRR_OVERRIDE
{
return *IndexBuffer;
}
virtual void setVertexBuffer(IVertexBuffer *newVertexBuffer) IRR_OVERRIDE
{
if (newVertexBuffer)
newVertexBuffer->grab();
if (VertexBuffer)
VertexBuffer->drop();
VertexBuffer=newVertexBuffer;
}
virtual void setIndexBuffer(IIndexBuffer *newIndexBuffer) IRR_OVERRIDE
{
if (newIndexBuffer)
newIndexBuffer->grab();
if (IndexBuffer)
IndexBuffer->drop();
IndexBuffer=newIndexBuffer;
}
//! Get Material of this buffer.
virtual const video::SMaterial& getMaterial() const IRR_OVERRIDE
{
return Material;
}
//! Get Material of this buffer.
virtual video::SMaterial& getMaterial() IRR_OVERRIDE
{
return Material;
}
//! Get bounding box
virtual const core::aabbox3d<f32>& getBoundingBox() const IRR_OVERRIDE
{
return BoundingBox;
}
//! Set bounding box
virtual void setBoundingBox( const core::aabbox3df& box) IRR_OVERRIDE
{
BoundingBox = box;
}
//! Recalculate bounding box
virtual void recalculateBoundingBox() IRR_OVERRIDE
{
if (!getVertexBuffer().size())
BoundingBox.reset(0,0,0);
else
{
BoundingBox.reset(getVertexBuffer()[0].Pos);
for (u32 i=1; i<getVertexBuffer().size(); ++i)
BoundingBox.addInternalPoint(getVertexBuffer()[i].Pos);
}
}
//! Describe what kind of primitive geometry is used by the meshbuffer
virtual void setPrimitiveType(E_PRIMITIVE_TYPE type) IRR_OVERRIDE
{
PrimitiveType = type;
}
//! Get the kind of primitive geometry which is used by the meshbuffer
virtual E_PRIMITIVE_TYPE getPrimitiveType() const IRR_OVERRIDE
{
return PrimitiveType;
}
//! Returns type of the class implementing the IMeshBuffer
virtual EMESH_BUFFER_TYPE getType() const IRR_OVERRIDE
{
return EMBT_DYNAMIC;
}
video::SMaterial Material;
core::aabbox3d<f32> BoundingBox;
//! Primitive type used for rendering (triangles, lines, ...)
E_PRIMITIVE_TYPE PrimitiveType;
private:
CDynamicMeshBuffer(const CDynamicMeshBuffer&); // = delete in c++11, prevent copying
IVertexBuffer *VertexBuffer;
IIndexBuffer *IndexBuffer;
};
} // end namespace scene
} // end namespace irr
#endif