/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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****************************************************************************/
#include "Qt3DSRenderModel.h"
#include "Qt3DSRenderMaterialHelpers.h"
#include "Qt3DSRenderBufferManager.h"
#include "Qt3DSRenderMesh.h"

using namespace qt3ds::render;

SModel::SModel()
    : SNode(GraphObjectTypes::Model)
    , m_FirstMaterial(NULL)
    , m_SkeletonRoot(-1)
    , m_TessellationMode(TessModeValues::NoTess)
    , m_EdgeTess(1.0)
    , m_InnerTess(1.0)
    , m_WireframeMode(false)
    , m_ShadowCaster(true)
{
}

void SModel::AddMaterial(SGraphObject &inMaterial)
{
    if (m_FirstMaterial == NULL)
        m_FirstMaterial = &inMaterial;
    else {
        SGraphObject *lastMaterial;
        // empty loop intentional
        for (lastMaterial = m_FirstMaterial; lastMaterial && GetNextMaterialSibling(lastMaterial);
             lastMaterial = GetNextMaterialSibling(lastMaterial)) {
        }
        SetNextMaterialSibling(*lastMaterial, &inMaterial);
    }
    if (inMaterial.m_Type == GraphObjectTypes::DefaultMaterial)
        static_cast<SDefaultMaterial &>(inMaterial).m_Parent = this;
}

NVBounds3 SModel::GetModelBounds(IBufferManager &inManager) const
{
    NVBounds3 retval;
    retval.setEmpty();
    SRenderMesh *theMesh = inManager.LoadMesh(m_MeshPath);
    if (theMesh) {
        for (QT3DSU32 idx = 0, end = theMesh->m_Subsets.size(); idx < end; ++idx)
            retval.include(theMesh->m_Subsets[idx].m_Bounds);
    }
    return retval;
}