void Mesh::SetFaces(const unsigned int *f, int count, int valence) {		assert ( 0 != f && 2 < count && 2 < valence && valence < 5 &&  "Invalid parameter." );		if (!index)			glGenBuffersARB( 1, &index );		glBindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, index );		unsigned short * idx = new unsigned short[count];		for ( int i = 0; i < count; ++i )			idx = f;		glBufferDataARB(			GL_ELEMENT_ARRAY_BUFFER_ARB,			count * 2,			idx,			GL_STATIC_DRAW_ARB );		delete [] idx;		mode = (valence == 3) ? GL_TRIANGLES : GL_QUADS;		numFaces = count / valence;		numIndices = count;	}	void Mesh::Render() {		if (!numFaces || !(bufferFmt & kPosition))			return;		material.Render();                // left out all buffers for clarity here		glBindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, index );                // index: index VBO id                // mode: GL_TRIANGLES or GL_QUADS		glDrawElements( mode, numIndices, GL_UNSIGNED_SHORT, 0 );	}

void REM::CreateBuffers(){	//Vertex Array	glGenBuffers(1,&BufferID[0]);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[0]);		glBufferData(GL_ARRAY_BUFFER_ARB,						sizeof(Vector3)*nrverts,						Vertices,						GL_STATIC_DRAW_ARB);	//TexCoord Array	glGenBuffers(1,&BufferID[1]);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[1]);	glBufferData(GL_ARRAY_BUFFER_ARB,						sizeof(Vector2)*nrverts,						Texels[0],						GL_STATIC_DRAW_ARB);	//Normals	glGenBuffers(1,&BufferID[2]);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[2]);	glBufferData(GL_ARRAY_BUFFER_ARB,						sizeof(Vector3)*nrverts,						Normals,						GL_STATIC_DRAW_ARB);	//Indices	glGenBuffers(1,&BufferID[3]);	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB,BufferID[3]);	glBufferData(GL_ELEMENT_ARRAY_BUFFER_ARB,						sizeof(WORD)*nrindices,						Indices2,						GL_STATIC_DRAW_ARB);	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB,0);	glBindBuffer(GL_ARRAY_BUFFER_ARB,0);}void REM::SetBufferArrays(){			glEnableClientState(GL_NORMAL_ARRAY);		glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[2]);	glNormalPointer(GL_FLOAT,0,NULL);//Normals);	//		glClientActiveTextureARB(GL_TEXTURE0_ARB);	glEnableClientState(GL_TEXTURE_COORD_ARRAY);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[1]);	glTexCoordPointer(2,GL_FLOAT,0,NULL);//Texels[0]);	//	glClientActiveTextureARB(GL_TEXTURE1_ARB);	glEnableClientState(GL_TEXTURE_COORD_ARRAY);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[1]);	glTexCoordPointer(2,GL_FLOAT,0,NULL);//Texels[0]);	//	glClientActiveTextureARB(GL_TEXTURE2_ARB);	glEnableClientState(GL_TEXTURE_COORD_ARRAY);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[1]);	glTexCoordPointer(2,GL_FLOAT,0,NULL);	//	glEnableClientState(GL_VERTEX_ARRAY);	glBindBuffer(GL_ARRAY_BUFFER_ARB,BufferID[0]);	glVertexPointer(3,GL_FLOAT,0,NULL);        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB,BufferID[3]);}void REM::RenderObjects(UINT group){	for(int j=0;j<Group[group].nr;j++)	if (Object[Group[group].Object[j].Index].nrindices>0)	{											if (!use_range)		{						glDrawElements(GL_TRIANGLES,Object[Group[group].Object[j].Index].nrindices,GL_UNSIGNED_SHORT,				(char*)(NULL+Object[Group[group].Object[j].Index].offset*sizeof(WORD))				);		}		else		{						glDrawRangeElements(GL_TRIANGLES,			Object[Group[group].Object[j].Index].min_off,			Object[Group[group].Object[j].Index].max_off,			Object[Group[group].Object[j].Index].nrindices,			GL_UNSIGNED_SHORT,			(char*)(NULL+Object[Group[group].Object[j].Index].offset*sizeof(WORD))			);		}	}	}