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1// Copyright (C) 2002-2012 Nikolaus Gebhardt
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#ifndef __C_BILLBOARD_SCENE_NODE_H_INCLUDED__
6#define __C_BILLBOARD_SCENE_NODE_H_INCLUDED__
7
8#include "IBillboardSceneNode.h"
9#include "S3DVertex.h"
10
11namespace irr
12{
13namespace scene
14{
15
16//! Scene node which is a billboard. A billboard is like a 3d sprite: A 2d element,
17//! which always looks to the camera.
18class CBillboardSceneNode : virtual public IBillboardSceneNode
19{
20public:
21
22 //! constructor
23 CBillboardSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
24 const core::vector3df& position, const core::dimension2d<f32>& size,
25 video::SColor colorTop=video::SColor(0xFFFFFFFF),
26 video::SColor colorBottom=video::SColor(0xFFFFFFFF));
27
28 //! pre render event
29 virtual void OnRegisterSceneNode();
30
31 //! render
32 virtual void render();
33
34 //! returns the axis aligned bounding box of this node
35 virtual const core::aabbox3d<f32>& getBoundingBox() const;
36
37 //! sets the size of the billboard
38 virtual void setSize(const core::dimension2d<f32>& size);
39
40 //! Sets the widths of the top and bottom edges of the billboard independently.
41 virtual void setSize(f32 height, f32 bottomEdgeWidth, f32 topEdgeWidth);
42
43 //! gets the size of the billboard
44 virtual const core::dimension2d<f32>& getSize() const;
45
46 //! Gets the widths of the top and bottom edges of the billboard.
47 virtual void getSize(f32& height, f32& bottomEdgeWidth, f32& topEdgeWidth) const;
48
49 virtual video::SMaterial& getMaterial(u32 i);
50
51 //! returns amount of materials used by this scene node.
52 virtual u32 getMaterialCount() const;
53
54 //! Set the color of all vertices of the billboard
55 //! \param overallColor: the color to set
56 virtual void setColor(const video::SColor& overallColor);
57
58 //! Set the color of the top and bottom vertices of the billboard
59 //! \param topColor: the color to set the top vertices
60 //! \param bottomColor: the color to set the bottom vertices
61 virtual void setColor(const video::SColor& topColor,
62 const video::SColor& bottomColor);
63
64 //! Gets the color of the top and bottom vertices of the billboard
65 //! \param[out] topColor: stores the color of the top vertices
66 //! \param[out] bottomColor: stores the color of the bottom vertices
67 virtual void getColor(video::SColor& topColor,
68 video::SColor& bottomColor) const;
69
70 //! Writes attributes of the scene node.
71 virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const;
72
73 //! Reads attributes of the scene node.
74 virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0);
75
76 //! Returns type of the scene node
77 virtual ESCENE_NODE_TYPE getType() const { return ESNT_BILLBOARD; }
78
79 //! Creates a clone of this scene node and its children.
80 virtual ISceneNode* clone(ISceneNode* newParent=0, ISceneManager* newManager=0);
81
82private:
83
84 //! Size.Width is the bottom edge width
85 core::dimension2d<f32> Size;
86 f32 TopEdgeWidth;
87 core::aabbox3d<f32> BBox;
88 video::SMaterial Material;
89
90 video::S3DVertex vertices[4];
91 u16 indices[6];
92};
93
94
95} // end namespace scene
96} // end namespace irr
97
98#endif
99