148 lines
3.4 KiB
C++
148 lines
3.4 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 __S_SHARED_MESH_BUFFER_H_INCLUDED__
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#define __S_SHARED_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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//! Implementation of the IMeshBuffer interface with shared vertex list
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struct SSharedMeshBuffer : public IMeshBuffer
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{
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//! constructor
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SSharedMeshBuffer() : IMeshBuffer(), Vertices(0)
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{
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#ifdef _DEBUG
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setDebugName("SSharedMeshBuffer");
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#endif
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}
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SSharedMeshBuffer(core::array<video::S3DVertex> *vertices) : IMeshBuffer(), Vertices(vertices)
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{
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#ifdef _DEBUG
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setDebugName("SSharedMeshBuffer");
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#endif
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}
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//! destructor
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virtual ~SSharedMeshBuffer() { }
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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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if (Vertices)
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return Vertices->const_pointer();
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else
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return 0;
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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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if (Vertices)
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return Vertices->pointer();
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else
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return 0;
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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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if (Vertices)
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return Vertices->size();
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else
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return 0;
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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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//! 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 video::EVT_STANDARD;
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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(video::S3DVertex);
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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 || Vertices->empty() || Indices.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)[Indices[0]].Pos);
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for (u32 i=1; i<Indices.size(); ++i)
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BoundingBox.addInternalPoint((*Vertices)[Indices[i]].Pos);
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}
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}
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//! append the vertices and indices to the current buffer
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virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) {}
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//! append the meshbuffer to the current buffer
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virtual void append(const IMeshBuffer* const other) {}
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video::SMaterial Material; //! material of this meshBuffer
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core::array<video::S3DVertex> *Vertices;//! Shared Array of vertices
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core::array<u16> Indices; //! Array of Indices
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core::aabbox3df BoundingBox; //! Bounding box
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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