RRV - Radiosity Renderer and Visualizer (C++, OpenGL)

/*
 * Copyright (C) 2007 TODO
 *
 * This file is part of rrv (Radiosity Renderer and Visualizer).
 *
 * rrv is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * rrv is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with rrv.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "CuboidEntity.h"
#include <iostream>
 
using namespace XML;
/**
 * @param  from
 */
void CuboidEntity::impl_deserialize (XMLNode *from ) {
	setName(from,"cuboid");
	this->polygonize();
}
 
/**
 */
void CuboidEntity::polygonize ( ) {
	const size_t PLANE_COUNT = 6;
	const size_t QUAD_VERTEX_COUNT = 4;
	Vertex tpl[PLANE_COUNT][QUAD_VERTEX_COUNT] = {{
			// left plane
			Vertex(-0.5, -0.5, -0.5),
			Vertex(-0.5, -0.5, +0.5),
			Vertex(-0.5, +0.5, +0.5),
			Vertex(-0.5, +0.5, -0.5),
		}, {
			// right plane
			Vertex(+0.5, -0.5, -0.5),
			Vertex(+0.5, +0.5, -0.5),
			Vertex(+0.5, +0.5, +0.5),
			Vertex(+0.5, -0.5, +0.5),
		}, {
			// down plane
			Vertex(-0.5, -0.5, -0.5),
			Vertex(+0.5, -0.5, -0.5),
			Vertex(+0.5, -0.5, +0.5),
			Vertex(-0.5, -0.5, +0.5),
		}, {
			// up plane
			Vertex(-0.5, +0.5, -0.5),
			Vertex(-0.5, +0.5, +0.5),
			Vertex(+0.5, +0.5, +0.5),
			Vertex(+0.5, +0.5, -0.5),
		}, {
			// rear plane
			Vertex(-0.5, -0.5, -0.5),
			Vertex(-0.5, +0.5, -0.5),
			Vertex(+0.5, +0.5, -0.5),
			Vertex(+0.5, -0.5, -0.5),
		}, {
			// front plane
			Vertex(-0.5, -0.5, +0.5),
			Vertex(+0.5, -0.5, +0.5),
			Vertex(+0.5, +0.5, +0.5),
			Vertex(-0.5, +0.5, +0.5),
		}
	};
	for(size_t i=0; i<PLANE_COUNT; i++)
		this->addQuad(tpl[i]);
}
 
void CuboidEntity::addQuad(Vertex vertex[4]) {
	// Triangle initialization
	Triangle t;
	setTriangleProperties( t );
 
	// Add triangle #1
	for (int i=0; i<3; i++)
		t.vertex[i] = vertex[i];
	this->addTriangle(&t);
 
	// Add triangle #2
	t.vertex[1] = vertex[2];
	t.vertex[2] = vertex[3];
	this->addTriangle(&t);
}