135 lines
3.0 KiB
C++
135 lines
3.0 KiB
C++
// Copyright (C) 2002-2007 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __T_MESH_BUFFER_H_INCLUDED__
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#define __T_MESH_BUFFER_H_INCLUDED__
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#include "irrArray.h"
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#include "IMeshBuffer.h"
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namespace irr
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{
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namespace scene
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{
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//! Template implementation of the IMeshBuffer interface
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template <class T>
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class CMeshBuffer : public IMeshBuffer
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{
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public:
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//! constructor
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CMeshBuffer() // everything's default constructed
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{
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#ifdef _DEBUG
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setDebugName("SMeshBuffer");
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#endif
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}
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//! destructor
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~CMeshBuffer() {};
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//! returns the material of this meshbuffer
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virtual const video::SMaterial& getMaterial() const
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{
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return Material;
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}
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//! returns the material of this meshbuffer
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virtual video::SMaterial& getMaterial()
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{
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return Material;
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}
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//! returns pointer to vertices
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virtual const void* getVertices() const
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{
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return Vertices.const_pointer();
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}
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//! returns pointer to vertices
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virtual void* getVertices()
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{
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return Vertices.pointer();
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}
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//! returns amount of vertices
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virtual u32 getVertexCount() const
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{
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return Vertices.size();
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}
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//! returns pointer to Indices
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virtual const u16* getIndices() const
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{
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return Indices.const_pointer();
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}
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//! returns pointer to Indices
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virtual u16* getIndices()
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{
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return Indices.pointer();
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}
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//! returns amount of indices
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virtual u32 getIndexCount() const
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{
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return Indices.size();
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}
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//! returns an axis aligned bounding box
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virtual const core::aabbox3d<f32>& getBoundingBox() const
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{
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return BoundingBox;
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}
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//! set user axis aligned bounding box
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virtual void setBoundingBox(const core::aabbox3df& box)
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{
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BoundingBox = box;
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}
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//! recalculates the bounding box. should be called if the mesh changed.
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virtual void recalculateBoundingBox()
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{
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if (Vertices.empty())
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BoundingBox.reset(0,0,0);
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else
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{
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BoundingBox.reset(Vertices[0].Pos);
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for (u32 i=1; i<Vertices.size(); ++i)
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BoundingBox.addInternalPoint(Vertices[i].Pos);
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}
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}
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//! returns which type of vertex data is stored.
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virtual video::E_VERTEX_TYPE getVertexType() const
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{
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return T().getType();
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}
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//! returns the byte size (stride, pitch) of the vertex
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virtual u32 getVertexPitch() const
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{
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return sizeof ( T );
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}
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//! Material for this meshbuffer.
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video::SMaterial Material;
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//! Vertices of this buffer
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core::array<T> Vertices;
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//! Indices into the vertices of this buffer.
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core::array<u16> Indices;
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//! Bounding box of this meshbuffer.
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core::aabbox3d<f32> BoundingBox;
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};
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typedef CMeshBuffer<video::S3DVertex> SMeshBuffer;
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typedef CMeshBuffer<video::S3DVertex2TCoords> SMeshBufferLightMap;
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typedef CMeshBuffer<video::S3DVertexTangents> SMeshBufferTangents;
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} // end namespace scene
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} // end namespace irr
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#endif
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