File: material.cpp

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// K-3D
// Copyright (c) 1995-2009, Timothy M. Shead
//
// Contact: tshead@k-3d.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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

/** \file
	\author Tim Shead <tshead@k-3d.com>
*/

#include "material.h"
#include "scalar_texture.h"

#include <k3d-i18n-config.h>
#include <k3dsdk/iomanip.h>
#include <k3dsdk/material.h>

namespace module
{

namespace luxrender
{

/////////////////////////////////////////////////////////////////////////////
// material

material::material(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
	k3d::node(Factory, Document),
	m_bumpmap(
		init_owner(*this)
		+ init_name("bumpmap")
		+ init_label(_("Bumpmap"))
		+ init_description(_("Optional bumpmap texture."))
		+ init_value(static_cast<scalar_texture*>(0))
		)
{
}

void material::setup(const texture::name_map& TextureNames, name_map& MaterialNames, std::ostream& Stream)
{
	if(MaterialNames.count(this))
		return;

	std::ostringstream name_buffer;
	name_buffer << "Material" << MaterialNames.size();
	const k3d::string_t name = name_buffer.str();

	MaterialNames.insert(std::make_pair(this, name));

	on_setup(TextureNames, MaterialNames, name, Stream);
}

void material::setup_bumpmap(const texture::name_map& TextureNames, std::ostream& Stream)
{
	if(texture* const texture_node = dynamic_cast<texture*>(m_bumpmap.pipeline_value()))
		texture::use(TextureNames, texture_node, "bumpmap", Stream);
}

void material::use(const name_map& MaterialNames, k3d::imaterial* const Material, std::ostream& Stream)
{
	// Insert a reference to an existing material ...
	if(material* const lux_material = k3d::material::lookup<material>(Material))
	{
		if(MaterialNames.count(lux_material))
		{
			Stream << k3d::standard_indent << "NamedMaterial \"" << MaterialNames.find(lux_material)->second << "\"\n";
			return;
		}

		k3d::log() << error << "Missing named material, falling-back to default material instead." << std::endl;
	}

	// Otherwise, provide a default material ...
	Stream << k3d::standard_indent << "Texture \"a\" \"color\" \"constant\" \"color value\" [1 1 1]\n";
	Stream << k3d::standard_indent << "Texture \"b\" \"color\" \"constant\" \"color value\" [0.1 0.1 0.1]\n";
	Stream << k3d::standard_indent << "Texture \"c\" \"float\" \"constant\" \"float value\" [0.000571]\n";
	Stream << k3d::standard_indent << "Material \"plastic\" \"texture Kd\" [\"a\"] \"texture Ks\" [\"b\"] \"texture bumpmap\" [\"c\"]\n";
}

} // namespace luxrender

} // namespace module