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/****************************************************************************
**
** Copyright (C) 1993-2009 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
#include "render/Qt3DSRenderBaseTypes.h"
#include "foundation/StringTable.h"
#include "foundation/Qt3DSBounds3.h"
#include "Qt3DSBoundingBox.h"
namespace qt3ds {
namespace render {
class IImageLoadListener;
}
class NVAllocatorCallback;
}
namespace Q3DStudio {
class IPresentation;
class RuntimeMatrix;
struct SPickFrame;
/**
* @interface IScene
*
* Runtime interface to the renderer's representation of a presentation. Scenes are
* created by the SceneManager and rendered via a lower level rendering system.
*/
struct STextSizes
{
INT32 m_Width;
INT32 m_Height;
STextSizes()
: m_Width(0)
, m_Height(0)
{
}
STextSizes(INT32 w, INT32 h)
: m_Width(w)
, m_Height(h)
{
}
};
struct SMousePosition
{
INT32 m_X;
INT32 m_Y;
SMousePosition(INT32 x, INT32 y)
: m_X(x)
, m_Y(y)
{
}
SMousePosition()
: m_X(0)
, m_Y(0)
{
}
};
struct SCameraRect
{
float m_Left;
float m_Top;
float m_Right;
float m_Bottom;
SCameraRect(float l = 0.0f, float t = 0.0f, float r = 0.0f, float b = 0.0f)
: m_Left(l)
, m_Top(t)
, m_Right(r)
, m_Bottom(b)
{
}
bool IsValid() const { return fabs(m_Right - m_Left) > 0.0f; }
};
class IScene
{
protected:
virtual ~IScene() {}
public: // Base Interface
virtual IPresentation &GetPresentation() = 0;
virtual void SetUserData(void *inUserData) = 0;
virtual void *GetUserData() = 0;
virtual void CalculateGlobalTransform(TElement *inElement, RuntimeMatrix &outTransform) = 0;
virtual void SetLocalTransformMatrix(TElement *inElement, const RuntimeMatrix &inTransform) = 0;
// Get bounding box in global space
virtual CBoundingBox GetBoundingBox(TElement *inElement, bool inSelfOnly) = 0;
// Get bounding box in local space.
virtual CBoundingBox GetLocalBoundingBox(TElement *inElement, bool inSelfOnly) = 0;
// The final argument, inHasTransparency has 3 possible values,
// 0 for no transparency, 1 for hasTransparency, -1 for unknown
virtual void SetTextureData(TElement *inElement, const unsigned char *inBuffer,
INT32 inBufferLength, INT32 inWidth, INT32 inHeight,
qt3ds::render::NVRenderTextureFormats::Enum inFormat,
INT32 inHasTransparency = -1) = 0;
virtual bool CreateOrSetMeshData(const char *inPathStr, unsigned char *vertData,
unsigned int numVerts, unsigned int vertStride,
unsigned int *indexData, unsigned int numIndices,
qt3ds::NVBounds3 &objBounds) = 0;
virtual STextSizes MeasureText(TElement *inElement, const char *inTextStr) = 0;
virtual STextSizes GetPresentationDesignDimensions() = 0;
// If the rect's right - left == 0.0, this method failed. Possibly because the layer is just
// direct-rendering a sub-presentation.
virtual SCameraRect GetCameraBounds(TElement &inElement) = 0;
virtual void PositionToScreen(TElement &inElement, qt3ds::QT3DSVec3 &inPos,
qt3ds::QT3DSVec3 &outScreen) = 0;
virtual void ScreenToPosition(TElement &inElement, qt3ds::QT3DSVec3 &inScreen,
qt3ds::QT3DSVec3 &outPos) = 0;
virtual qt3ds::foundation::CRegisteredString RegisterStr(const char *inStr) = 0;
virtual SMousePosition WindowToPresentation(const SMousePosition &inWindowPos) = 0;
virtual void RegisterOffscreenRenderer(const char *inKey) = 0;
virtual void Release() = 0;
virtual bool preferKtx() const = 0;
virtual qt3ds::NVAllocatorCallback &allocator() = 0;
};
} // namespace Q3DStudio
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