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/****************************************************************************
**
** 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
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** 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
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DS_RENDER_CUSTOM_MATERIAL_H
#define QT3DS_RENDER_CUSTOM_MATERIAL_H
#include "Qt3DSRender.h"
#include "Qt3DSRenderDynamicObject.h"
#include "Qt3DSRenderImage.h"
#include "Qt3DSRenderLightmaps.h"
#include "foundation/Qt3DSFlags.h"
namespace qt3ds {
namespace render {
// IMPORTANT: These flags matches the key produced by a MDL export file
struct SCustomMaterialShaderKeyValues
{
enum Enum {
diffuse = 1 << 0,
specular = 1 << 1,
glossy = 1 << 2,
cutout = 1 << 3,
refraction = 1 << 4,
transparent = 1 << 5,
displace = 1 << 6,
volumetric = 1 << 7,
transmissive = 1 << 8,
};
};
typedef NVFlags<SCustomMaterialShaderKeyValues::Enum, QT3DSU32> SCustomMaterialShaderKeyFlags;
struct SCustomMaterial : public SDynamicObject
{
private:
// These objects are only created via the dynamic object system.
SCustomMaterial(const SCustomMaterial &);
SCustomMaterial &operator=(const SCustomMaterial &);
SCustomMaterial();
public:
// lightmap section
SLightmaps m_Lightmaps;
// material section
bool m_hasTransparency;
bool m_hasRefraction;
bool m_hasVolumetricDF;
SImage *m_IblProbe;
SImage *m_EmissiveMap2;
SImage *m_DisplacementMap;
QT3DSF32 m_DisplaceAmount; ///< depends on the object size
SGraphObject *m_NextSibling;
SCustomMaterialShaderKeyFlags m_ShaderKeyValues; ///< input from MDL files
QT3DSU32 m_LayerCount; ///< input from MDL files
void Initialize(QT3DSU32 inKey, QT3DSU32 inLayerCount)
{
m_Lightmaps.m_LightmapIndirect = NULL;
m_Lightmaps.m_LightmapRadiosity = NULL;
m_Lightmaps.m_LightmapShadow = NULL;
m_hasTransparency = false;
m_hasRefraction = false;
m_hasVolumetricDF = false;
m_NextSibling = NULL;
m_DirtyFlagWithInFrame = m_Flags.IsDirty();
m_IblProbe = NULL;
m_EmissiveMap2 = NULL;
m_DisplacementMap = NULL;
m_DisplaceAmount = 0.0;
m_ShaderKeyValues = (SCustomMaterialShaderKeyFlags)inKey;
m_LayerCount = inLayerCount;
}
bool IsDielectric() const
{
return m_ShaderKeyValues & SCustomMaterialShaderKeyValues::diffuse;
}
bool IsSpecularEnabled() const
{
return m_ShaderKeyValues & SCustomMaterialShaderKeyValues::specular;
}
bool IsCutOutEnabled() const
{
return m_ShaderKeyValues & SCustomMaterialShaderKeyValues::cutout;
}
bool IsVolumetric() const
{
return m_ShaderKeyValues & SCustomMaterialShaderKeyValues::volumetric;
}
bool IsTransmissive() const
{
return m_ShaderKeyValues & SCustomMaterialShaderKeyValues::transmissive;
}
bool HasLighting() const { return true; }
template <typename TRemapperType>
void Remap(TRemapperType &inRemapper)
{
SDynamicObject::Remap(inRemapper);
m_Lightmaps.Remap(inRemapper);
inRemapper.Remap(m_IblProbe);
inRemapper.RemapMaterial(m_NextSibling);
inRemapper.Remap(m_EmissiveMap2);
inRemapper.Remap(m_DisplacementMap);
}
// Dirty
bool m_DirtyFlagWithInFrame;
bool IsDirty() const { return m_Flags.IsDirty() || m_DirtyFlagWithInFrame; }
void UpdateDirtyForFrame()
{
m_DirtyFlagWithInFrame = m_Flags.IsDirty();
m_Flags.SetDirty(false);
}
};
}
}
#endif
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