mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-14 03:33:49 +01:00
8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
113 lines
4.3 KiB
C++
113 lines
4.3 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
|
|
|