irrlicht/source/Irrlicht/CTextSceneNode.h

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// 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 IRR_C_TEXT_SCENE_NODE_H_INCLUDED
#define IRR_C_TEXT_SCENE_NODE_H_INCLUDED
#include "ITextSceneNode.h"
#include "IBillboardTextSceneNode.h"
#include "IGUIFont.h"
#include "IGUIFontBitmap.h"
#include "ISceneCollisionManager.h"
#include "SMesh.h"
namespace irr
{
namespace scene
{
class ICameraSceneNode;
class CTextSceneNode : public ITextSceneNode
{
public:
//! constructor
CTextSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
gui::IGUIFont* font, scene::ISceneCollisionManager* coll,
const core::vector3df& position = core::vector3df(0,0,0), const wchar_t* text=0,
video::SColor color=video::SColor(100,0,0,0));
//! destructor
virtual ~CTextSceneNode();
virtual void OnRegisterSceneNode() IRR_OVERRIDE;
//! renders the node.
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 text string
virtual void setText(const wchar_t* text) IRR_OVERRIDE;
//! get the text string
virtual const wchar_t* getText() const IRR_OVERRIDE;
//! sets the color of the text
virtual void setTextColor(video::SColor color) IRR_OVERRIDE;
//! get the color of the text
virtual video::SColor getTextColor() const IRR_OVERRIDE;
//! set the font used to draw the text
virtual void setFont(gui::IGUIFont* font) IRR_OVERRIDE;
//! Get the font used to draw the text
virtual gui::IGUIFont* getFont() const IRR_OVERRIDE;
//! Returns type of the scene node
virtual ESCENE_NODE_TYPE getType() const IRR_OVERRIDE { return ESNT_TEXT; }
private:
core::stringw Text;
video::SColor Color;
gui::IGUIFont* Font;
scene::ISceneCollisionManager* Coll;
core::aabbox3d<f32> Box;
};
class CBillboardTextSceneNode : public IBillboardTextSceneNode
{
public:
CBillboardTextSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
gui::IGUIFont* font,const wchar_t* text,
const core::vector3df& position, const core::dimension2d<f32>& size,
video::SColor colorTop, video::SColor shade_bottom);
//! destructor
virtual ~CBillboardTextSceneNode();
//! sets the vertex positions etc
virtual void OnAnimate(u32 timeMs) IRR_OVERRIDE;
//! registers the node into the transparent pass
virtual void OnRegisterSceneNode() IRR_OVERRIDE;
//! renders the node.
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 text string
virtual void setText(const wchar_t* text) IRR_OVERRIDE;
//! get the text string
virtual const wchar_t* getText() const IRR_OVERRIDE;
//! Get the font used to draw the text
virtual gui::IGUIFont* getFont() const IRR_OVERRIDE;
//! sets the size of the billboard
virtual void setSize(const core::dimension2d<f32>& size) IRR_OVERRIDE;
//! gets the size of the billboard
virtual const core::dimension2d<f32>& getSize() 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;
//! Returns type of the scene node
virtual ESCENE_NODE_TYPE getType() const IRR_OVERRIDE { return ESNT_BILLBOARD_TEXT; }
//! 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 topColor: stores the color of the top vertices
//! \param bottomColor: stores the color of the bottom vertices
virtual void getColor(video::SColor & topColor, video::SColor & bottomColor) const IRR_OVERRIDE;
virtual void setSize(f32 height, f32 bottomEdgeWidth, f32 topEdgeWidth) IRR_OVERRIDE
{
setSize(core::dimension2df(bottomEdgeWidth, height));
}
virtual void getSize(f32& height, f32& bottomEdgeWidth, f32& topEdgeWidth) const IRR_OVERRIDE
{
height = Size.Height;
bottomEdgeWidth = Size.Width;
topEdgeWidth = Size.Width;
}
virtual const core::aabbox3d<f32>& getTransformedBillboardBoundingBox(const irr::scene::ICameraSceneNode* camera) IRR_OVERRIDE;
//! Get the amount of mesh buffers.
virtual u32 getMeshBufferCount() const IRR_OVERRIDE
{
return Mesh ? Mesh->getMeshBufferCount() : 0;
}
//! Get pointer to the mesh buffer.
virtual IMeshBuffer* getMeshBuffer(u32 nr) const IRR_OVERRIDE
{
return Mesh ? Mesh->getMeshBuffer(nr) : 0;
}
protected:
void updateMesh(const irr::scene::ICameraSceneNode* camera);
private:
core::stringw Text;
gui::IGUIFontBitmap* Font;
core::dimension2d<f32> Size;
core::aabbox3d<f32> BBox;
video::SMaterial Material;
video::SColor ColorTop;
video::SColor ColorBottom;
struct SSymbolInfo
{
u32 bufNo;
f32 Width;
f32 Kerning;
u32 firstInd;
u32 firstVert;
};
core::array < SSymbolInfo > Symbol;
SMesh *Mesh;
};
} // end namespace scene
} // end namespace irr
#endif