irrlicht/source/Irrlicht/CBillboardSceneNode.h
cutealien ffd7b63af0 API BREAKER: Replacing defines in irrTypes.h which are conflicting with c++ reserved identifier rules.
C++ has undefined behavior for identifiers starting with __ or with _ followed by an uppercase letter.
We still have many more (in IrrCompileConfig.h and in all header-guards), will likely replace those later as well.
As a workaround for users which might use irrlicht defines in their code, I've added the header irrLegacyDefines.h
Including that allows to continue using old defines for a while - or make it easier to have code which compiles 
with old and new Irrlicht library versions.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6251 dfc29bdd-3216-0410-991c-e03cc46cb475
2021-08-27 12:55:10 +00:00

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4.2 KiB
C++

// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_BILLBOARD_SCENE_NODE_H_INCLUDED__
#define __C_BILLBOARD_SCENE_NODE_H_INCLUDED__
#include "IBillboardSceneNode.h"
#include "SMeshBuffer.h"
namespace irr
{
namespace scene
{
//! Scene node which is a billboard. A billboard is like a 3d sprite: A 2d element,
//! which always looks to the camera.
class CBillboardSceneNode : virtual public IBillboardSceneNode
{
public:
//! constructor
CBillboardSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
const core::vector3df& position, const core::dimension2d<f32>& size,
video::SColor colorTop=video::SColor(0xFFFFFFFF),
video::SColor colorBottom=video::SColor(0xFFFFFFFF));
virtual ~CBillboardSceneNode();
//! pre render event
virtual void OnRegisterSceneNode() IRR_OVERRIDE;
//! render
virtual void render() IRR_OVERRIDE;
//! returns the axis aligned bounding box of this node
virtual const core::aabbox3d<f32>& getBoundingBox() const IRR_OVERRIDE;
//! sets the size of the billboard
virtual void setSize(const core::dimension2d<f32>& size) IRR_OVERRIDE;
//! Sets the widths of the top and bottom edges of the billboard independently.
virtual void setSize(f32 height, f32 bottomEdgeWidth, f32 topEdgeWidth) IRR_OVERRIDE;
//! gets the size of the billboard
virtual const core::dimension2d<f32>& getSize() const IRR_OVERRIDE;
//! Gets the widths of the top and bottom edges of the billboard.
virtual void getSize(f32& height, f32& bottomEdgeWidth, f32& topEdgeWidth) const IRR_OVERRIDE;
virtual video::SMaterial& getMaterial(u32 i) IRR_OVERRIDE;
//! returns amount of materials used by this scene node.
virtual u32 getMaterialCount() const IRR_OVERRIDE;
//! Set the color of all vertices of the billboard
//! \param overallColor: the color to set
virtual void setColor(const video::SColor& overallColor) IRR_OVERRIDE;
//! Set the color of the top and bottom vertices of the billboard
//! \param topColor: the color to set the top vertices
//! \param bottomColor: the color to set the bottom vertices
virtual void setColor(const video::SColor& topColor,
const video::SColor& bottomColor) IRR_OVERRIDE;
//! Gets the color of the top and bottom vertices of the billboard
//! \param[out] topColor: stores the color of the top vertices
//! \param[out] bottomColor: stores the color of the bottom vertices
virtual void getColor(video::SColor& topColor,
video::SColor& bottomColor) const IRR_OVERRIDE;
//! Get the real boundingbox used by the billboard (which depends on the active camera)
virtual const core::aabbox3d<f32>& getTransformedBillboardBoundingBox(const irr::scene::ICameraSceneNode* camera) IRR_OVERRIDE;
//! Writes attributes of the scene node.
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const IRR_OVERRIDE;
//! Reads attributes of the scene node.
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) IRR_OVERRIDE;
//! Returns type of the scene node
virtual ESCENE_NODE_TYPE getType() const IRR_OVERRIDE { return ESNT_BILLBOARD; }
//! Creates a clone of this scene node and its children.
virtual ISceneNode* clone(ISceneNode* newParent=0, ISceneManager* newManager=0) IRR_OVERRIDE;
protected:
void updateMesh(const irr::scene::ICameraSceneNode* camera);
private:
//! Size.Width is the bottom edge width
core::dimension2d<f32> Size;
f32 TopEdgeWidth;
//! BoundingBox which is large enough to contain the billboard independent of the camera
// TODO: BUG - still can be wrong with scaling < 1. Billboards should calculate relative coordinates for their mesh
// and then use the node-scaling. But needs some work...
/** Note that we can't use the real boundingbox for culling because at that point
the camera which is used to calculate the billboard is not yet updated. So we only
know the real boundingbox after rendering - which is too late for culling. */
core::aabbox3d<f32> BBoxSafe;
scene::SMeshBuffer* Buffer;
};
} // end namespace scene
} // end namespace irr
#endif