113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
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// NoesisGUI - http://www.noesisengine.com
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// Copyright (c) Noesis Technologies S.L. All Rights Reserved.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef __GUI_MESHGEOMETRY_H__
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#define __GUI_MESHGEOMETRY_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/Geometry.h>
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#include <NsDrawing/Rect.h>
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#include <NsCore/Vector.h>
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namespace Noesis
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{
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struct Point;
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NS_WARNING_PUSH
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NS_MSVC_WARNING_DISABLE(4251 4275)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Defines a geometric shape described using a mesh of vertices and indices.
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///
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/// Geometry is directly sent to the GPU without extra preprocessing, no tessellation, making this
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/// class ideal when rendering dynamic geometry that changes per frame.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API MeshGeometry: public Geometry
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{
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public:
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MeshGeometry();
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~MeshGeometry();
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/// Sets number of vertices
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void SetNumVertices(uint32_t numVertices);
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/// Sets number of texture coordinates
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void SetNumUVs(uint32_t numUVs);
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/// Sets number of indices
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void SetNumIndices(uint32_t numIndices);
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/// Sets bounding box
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void SetBounds(const Rect& bounds);
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/// Returns a pointer to the internal vertex buffer
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Point* GetVertices();
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/// Returns a pointer to the internal uvs buffer
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Point* GetUVs();
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/// Returns a pointer to the internal index buffer
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uint16_t* GetIndices();
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/// Notify about a change in the geometry
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void Update();
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/// From Geometry
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//@{
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bool IsEmpty() const override;
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//@}
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/// From Freezable
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//@{
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Ptr<MeshGeometry> Clone() const;
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Ptr<MeshGeometry> CloneCurrentValue() const;
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//@}
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/// From IRenderProxyCreator
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//@{
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void CreateRenderProxy(RenderTreeUpdater& updater, uint32_t proxyIndex) override;
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void UpdateRenderProxy(RenderTreeUpdater& updater, uint32_t proxyIndex) override;
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//@}
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protected:
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/// From Freezable
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//@{
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Ptr<Freezable> CreateInstanceCore() const override;
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void CloneCommonCore(const Freezable* source) override;
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//@}
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/// From Geometry
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//@{
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Rect GetRenderBoundsOverride(Pen* pen) const override;
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bool FillContainsOverride(const Point& point) const override;
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bool StrokeContainsOverride(Pen* pen, const Point& point) const override;
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//@}
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private:
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enum UpdateFlags
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{
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UpdateFlags_Mesh = Geometry::UpdateFlags_Sentinel
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};
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Vector<Point> mVertices;
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Vector<Point> mUVs;
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Vector<uint16_t> mIndices;
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Rect mBounds;
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NS_DECLARE_REFLECTION(MeshGeometry, Geometry)
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};
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NS_WARNING_POP
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}
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#endif
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