/*
    QGLView
    Copyright (C) 2012  Ivan Pelipenko peri4ko@gmail.com

    This program 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
    (at your option) any later version.

    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "glprimitives.h"


void GLPrimitivePoint::draw(bool simplest) {
	glPointSize(sz);
	glColor3f(material_.color_diffuse.redF(), material_.color_diffuse.greenF(), material_.color_diffuse.blueF());
	glBegin(GL_POINTS);
	glVertex3d(0., 0., 0.);
	glEnd();
}



GLPrimitiveCube::GLPrimitiveCube(double width, double length, double height, QVector3D pos): GLObjectBase() {
	geom_prim = Quads;
	w = width;
	l = length;
	h = height;
	moveTo(pos);
	init();
}


void GLPrimitiveCube::init() {
	double hw = w / 2., hl = l / 2., hh = h / 2.;
	//list = glGenLists(1);
	//glNewList(list, GL_COMPILE);
	//glColor4d(material_.color_diffuse.redF(), material_.color_diffuse.greenF(), material_.color_diffuse.blueF(), material_.color_diffuse.alphaF());
	vbo.init();
	QVector<GLfloat> & d_vertices(vbo.vertices()), & d_normals(vbo.normals()), & d_uvs(vbo.texcoords());
	d_vertices.clear();
	d_normals.clear();
	d_uvs.clear();

	for (int i = 0; i < 4; ++i)
		d_normals << 0. << -1. << 0.;
	d_vertices << -hw << -hl << -hh;
	d_vertices << hw << -hl << -hh;
	d_vertices << hw << -hl << hh;
	d_vertices << -hw << -hl << hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	for (int i = 0; i < 4; ++i)
		d_normals << 0. << 1. << 0.;
	d_vertices << -hw << hl << -hh;
	d_vertices << -hw << hl << hh;
	d_vertices << hw << hl << hh;
	d_vertices << hw << hl << -hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	for (int i = 0; i < 4; ++i)
		d_normals << -1. << 0. << 0.;
	d_vertices << -hw << -hl << -hh;
	d_vertices << -hw << -hl << hh;
	d_vertices << -hw << hl << hh;
	d_vertices << -hw << hl << -hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	for (int i = 0; i < 4; ++i)
		d_normals << 1. << 0. << 0.;
	d_vertices << hw << -hl << -hh;
	d_vertices << hw << hl << -hh;
	d_vertices << hw << hl << hh;
	d_vertices << hw << -hl << hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	for (int i = 0; i < 4; ++i)
		d_normals << 0. << 0. << -1.;
	d_vertices << -hw << -hl << -hh;
	d_vertices << -hw << hl << -hh;
	d_vertices << hw << hl << -hh;
	d_vertices << hw << -hl << -hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	for (int i = 0; i < 4; ++i)
		d_normals << 0. << 0. << 1.;
	d_vertices << -hw << -hl << hh;
	d_vertices << hw << -hl << hh;
	d_vertices << hw << hl << hh;
	d_vertices << -hw << hl << hh;
	d_uvs << 0. << 0. << 1. << 0. << 1. << 1. << 0. << 1.;

	is_init = true;
	vbo.rebuffer();
}