rigidmodelbuilder.cpp

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/*
    Sheep - A Rigid Body Dynamics Engine
    Copyright (C) 2001-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of Sheep.

    Sheep 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.

    Sheep 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 Sheep; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "rigidmodelbuilder.h"  // include first

#include "rigidmodel.h"

#include <cassert>

using namespace sheep;

// IMeshBuilder interface.

RigidModelBuilder::RigidModelBuilder() :
    m_model(new RigidModel())
{
}

RigidModelBuilder::~RigidModelBuilder() {
}

IMeshBuilder::IGeometryBuilder *RigidModelBuilder::GeometryBuilder() {
    return this;
}

IMeshBuilder::IMaterialBuilder *RigidModelBuilder::MaterialBuilder() {
    return 0;
}

std::auto_ptr<RigidModel> RigidModelBuilder::GetMesh() {
    return m_model;
}

// IGeometryBuilder interface.

IMeshBuilder::FeatureId RigidModelBuilder::AppendVertex(const Vector3 &v) {
    m_model->m_vertices.push_back(v);

    return static_cast<FeatureId>(m_model->m_vertices.size() - 1);
}

IMeshBuilder::FeatureId RigidModelBuilder::AppendFace(int n, const FeatureId *v) {
    assert(n == 3);
    assert(v);

    RigidModel::Face f;

    f.m_v0 = v[0];
    f.m_v1 = v[1];
    f.m_v2 = v[2];

    m_model->m_faces.push_back(f);

    return static_cast<FeatureId>(m_model->m_faces.size() - 1);
}

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