diff options
Diffstat (limited to 'source/Irrlicht/CTextSceneNode.cpp')
| -rw-r--r-- | source/Irrlicht/CTextSceneNode.cpp | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/source/Irrlicht/CTextSceneNode.cpp b/source/Irrlicht/CTextSceneNode.cpp deleted file mode 100644 index 131c918..0000000 --- a/source/Irrlicht/CTextSceneNode.cpp +++ /dev/null @@ -1,521 +0,0 @@ -// 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
-
-#include "CTextSceneNode.h"
-#include "ISceneManager.h"
-#include "IVideoDriver.h"
-#include "ICameraSceneNode.h"
-#include "IGUISpriteBank.h"
-#include "SMeshBuffer.h"
-#include "os.h"
-
-
-namespace irr
-{
-namespace scene
-{
-
-
-//! constructor
-CTextSceneNode::CTextSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
- gui::IGUIFont* font, scene::ISceneCollisionManager* coll,
- const core::vector3df& position, const wchar_t* text,
- video::SColor color)
- : ITextSceneNode(parent, mgr, id, position), Text(text), Color(color),
- Font(font), Coll(coll)
-
-{
- #ifdef _DEBUG
- setDebugName("CTextSceneNode");
- #endif
-
- if (Font)
- Font->grab();
-
- setAutomaticCulling(scene::EAC_OFF);
-}
-
-//! destructor
-CTextSceneNode::~CTextSceneNode()
-{
- if (Font)
- Font->drop();
-}
-
-void CTextSceneNode::OnRegisterSceneNode()
-{
- if (IsVisible)
- SceneManager->registerNodeForRendering(this, ESNRP_TRANSPARENT);
-
- ISceneNode::OnRegisterSceneNode();
-}
-
-//! renders the node.
-void CTextSceneNode::render()
-{
- if (!Font || !Coll)
- return;
-
- core::position2d<s32> pos = Coll->getScreenCoordinatesFrom3DPosition(getAbsolutePosition(),
- SceneManager->getActiveCamera());
-
- core::rect<s32> r(pos, core::dimension2d<s32>(1,1));
- Font->draw(Text, r, Color, true, true);
-}
-
-
-//! returns the axis aligned bounding box of this node
-const core::aabbox3d<f32>& CTextSceneNode::getBoundingBox() const
-{
- return Box;
-}
-
-//! sets the text string
-void CTextSceneNode::setText(const wchar_t* text)
-{
- Text = text;
-}
-
-//! get the text string
-const wchar_t* CTextSceneNode::getText() const
-{
- return Text.c_str();
-}
-
-//! sets the color of the text
-void CTextSceneNode::setTextColor(video::SColor color)
-{
- Color = color;
-}
-
-//! get the color of the text
-video::SColor CTextSceneNode::getTextColor() const
-{
- return Color;
-}
-
-void CTextSceneNode::setFont(gui::IGUIFont* font)
-{
- if ( font != Font )
- {
- if ( font )
- font->grab();
- if ( Font )
- Font->drop();
- Font = font;
- }
-}
-
-//! Get the font used to draw the text
-gui::IGUIFont* CTextSceneNode::getFont() const
-{
- return Font;
-}
-
-
-//!--------------------------------- CBillboardTextSceneNode ----------------------------------------------
-
-
-//! constructor
-CBillboardTextSceneNode::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 )
-: IBillboardTextSceneNode(parent, mgr, id, position),
- Font(0), ColorTop(colorTop), ColorBottom(shade_bottom), Mesh(0)
-{
- #ifdef _DEBUG
- setDebugName("CBillboardTextSceneNode");
- #endif
-
- Material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
- Material.MaterialTypeParam = 1.f / 255.f;
- Material.BackfaceCulling = false;
- Material.Lighting = false;
- Material.ZBuffer = video::ECFN_LESSEQUAL;
- Material.ZWriteEnable = video::EZW_OFF;
-
- if (font)
- {
- // doesn't support other font types
- if (font->getType() == gui::EGFT_BITMAP)
- {
- Font = (gui::IGUIFontBitmap*)font;
- Font->grab();
-
- // mesh with one buffer per texture
- Mesh = new SMesh();
- for (u32 i=0; i<Font->getSpriteBank()->getTextureCount(); ++i)
- {
- SMeshBuffer *mb = new SMeshBuffer();
- mb->Material = Material;
- mb->Material.setTexture(0, Font->getSpriteBank()->getTexture(i));
- Mesh->addMeshBuffer(mb);
- mb->drop();
- }
- }
- else
- {
- os::Printer::log("Sorry, CBillboardTextSceneNode does not support this font type", ELL_INFORMATION);
- }
- }
-
- setText(text);
- setSize(size);
-
- setAutomaticCulling ( scene::EAC_BOX );
-}
-
-
-
-CBillboardTextSceneNode::~CBillboardTextSceneNode()
-{
- if (Font)
- Font->drop();
-
- if (Mesh)
- Mesh->drop();
-
-}
-
-
-//! sets the text string
-void CBillboardTextSceneNode::setText(const wchar_t* text)
-{
- if ( !Mesh )
- return;
-
- Text = text;
-
- Symbol.clear();
-
- // clear mesh
- for (u32 j=0; j < Mesh->getMeshBufferCount(); ++j)
- {
- ((SMeshBuffer*)Mesh->getMeshBuffer(j))->Indices.clear();
- ((SMeshBuffer*)Mesh->getMeshBuffer(j))->Vertices.clear();
- }
-
- if (!Font)
- return;
-
- const core::array< core::rect<s32> > &sourceRects = Font->getSpriteBank()->getPositions();
- const core::array< gui::SGUISprite > &sprites = Font->getSpriteBank()->getSprites();
-
- f32 dim[2];
- f32 tex[4];
-
- u32 i;
- for ( i = 0; i != Text.size (); ++i )
- {
- SSymbolInfo info;
-
- u32 spriteno = Font->getSpriteNoFromChar( &text[i] );
- u32 rectno = sprites[spriteno].Frames[0].rectNumber;
- u32 texno = sprites[spriteno].Frames[0].textureNumber;
-
- dim[0] = core::reciprocal ( (f32) Font->getSpriteBank()->getTexture(texno)->getSize().Width );
- dim[1] = core::reciprocal ( (f32) Font->getSpriteBank()->getTexture(texno)->getSize().Height );
-
- const core::rect<s32>& s = sourceRects[rectno];
-
- // add space for letter to buffer
- SMeshBuffer* buf = (SMeshBuffer*)Mesh->getMeshBuffer(texno);
- u32 firstInd = buf->Indices.size();
- u32 firstVert = buf->Vertices.size();
- buf->Indices.set_used(firstInd + 6);
- buf->Vertices.set_used(firstVert + 4);
-
- tex[0] = (s.LowerRightCorner.X * dim[0]) + 0.5f*dim[0]; // half pixel
- tex[1] = (s.LowerRightCorner.Y * dim[1]) + 0.5f*dim[1];
- tex[2] = (s.UpperLeftCorner.Y * dim[1]) - 0.5f*dim[1];
- tex[3] = (s.UpperLeftCorner.X * dim[0]) - 0.5f*dim[0];
-
- buf->Vertices[firstVert+0].TCoords.set(tex[0], tex[1]);
- buf->Vertices[firstVert+1].TCoords.set(tex[0], tex[2]);
- buf->Vertices[firstVert+2].TCoords.set(tex[3], tex[2]);
- buf->Vertices[firstVert+3].TCoords.set(tex[3], tex[1]);
-
- buf->Vertices[firstVert+0].Color = ColorBottom;
- buf->Vertices[firstVert+3].Color = ColorBottom;
- buf->Vertices[firstVert+1].Color = ColorTop;
- buf->Vertices[firstVert+2].Color = ColorTop;
-
- buf->Indices[firstInd+0] = (u16)firstVert+0;
- buf->Indices[firstInd+1] = (u16)firstVert+2;
- buf->Indices[firstInd+2] = (u16)firstVert+1;
- buf->Indices[firstInd+3] = (u16)firstVert+0;
- buf->Indices[firstInd+4] = (u16)firstVert+3;
- buf->Indices[firstInd+5] = (u16)firstVert+2;
-
- wchar_t *tp = 0;
- if (i>0)
- tp = &Text[i-1];
-
- info.Width = (f32)s.getWidth();
- info.bufNo = texno;
- info.Kerning = (f32)Font->getKerningWidth(&Text[i], tp);
- info.firstInd = firstInd;
- info.firstVert = firstVert;
-
- Symbol.push_back(info);
- }
-}
-
-//! get the text string
-const wchar_t* CBillboardTextSceneNode::getText() const
-{
- return Text.c_str();
-}
-
-//! pre render event
-void CBillboardTextSceneNode::OnAnimate(u32 timeMs)
-{
- ISceneNode::OnAnimate(timeMs);
-
- if (!IsVisible || !Font || !Mesh)
- return;
-
- ICameraSceneNode* camera = SceneManager->getActiveCamera();
- if (!camera)
- return;
-
- // TODO: Risky - if camera is later in the scene-graph then it's not yet updated here
- // CBillBoardSceneNode does it different, but maybe real solution would be to enforce cameras to update earlier?
- // Maybe we can also unify the code by using a common base-class or having updateMesh functionality in an animator instead.
- updateMesh(camera);
-
- // mesh uses vertices with absolute coordinates so to get a bbox for culling we have to get back to local ones.
- BBox = Mesh->getBoundingBox();
- core::matrix4 mat( getAbsoluteTransformation(), core::matrix4::EM4CONST_INVERSE );
- mat.transformBoxEx(BBox);
-}
-
-const core::aabbox3d<f32>& CBillboardTextSceneNode::getTransformedBillboardBoundingBox(const irr::scene::ICameraSceneNode* camera)
-{
- updateMesh(camera);
- return Mesh->getBoundingBox();
-}
-
-void CBillboardTextSceneNode::updateMesh(const irr::scene::ICameraSceneNode* camera)
-{
- // get text width
- f32 textLength = 0.f;
- u32 i;
- for(i=0; i!=Symbol.size(); ++i)
- {
- SSymbolInfo &info = Symbol[i];
- textLength += info.Kerning + info.Width;
- }
- if (textLength<0.0f)
- textLength=1.0f;
-
- //const core::matrix4 &m = camera->getViewFrustum()->Matrices[ video::ETS_VIEW ];
-
- // make billboard look to camera
- core::vector3df pos = getAbsolutePosition();
-
- core::vector3df campos = camera->getAbsolutePosition();
- core::vector3df target = camera->getTarget();
- core::vector3df up = camera->getUpVector();
- core::vector3df view = target - campos;
- view.normalize();
-
- core::vector3df horizontal = up.crossProduct(view);
- if ( horizontal.getLength() == 0 )
- {
- horizontal.set(up.Y,up.X,up.Z);
- }
-
- horizontal.normalize();
- core::vector3df space = horizontal;
-
- horizontal *= 0.5f * Size.Width;
-
- core::vector3df vertical = horizontal.crossProduct(view);
- vertical.normalize();
- vertical *= 0.5f * Size.Height;
-
- view *= -1.0f;
-
- // center text
- pos += space * (Size.Width * -0.5f);
-
- for ( i = 0; i!= Symbol.size(); ++i )
- {
- SSymbolInfo &info = Symbol[i];
- f32 infw = info.Width / textLength;
- f32 infk = info.Kerning / textLength;
- f32 w = (Size.Width * infw * 0.5f);
- pos += space * w;
-
- SMeshBuffer* buf = (SMeshBuffer*)Mesh->getMeshBuffer(info.bufNo);
-
- buf->Vertices[info.firstVert+0].Normal = view;
- buf->Vertices[info.firstVert+1].Normal = view;
- buf->Vertices[info.firstVert+2].Normal = view;
- buf->Vertices[info.firstVert+3].Normal = view;
-
- buf->Vertices[info.firstVert+0].Pos = pos + (space * w) + vertical;
- buf->Vertices[info.firstVert+1].Pos = pos + (space * w) - vertical;
- buf->Vertices[info.firstVert+2].Pos = pos - (space * w) - vertical;
- buf->Vertices[info.firstVert+3].Pos = pos - (space * w) + vertical;
-
- pos += space * (Size.Width*infk + w);
- }
-
- // make bounding box
- for (i=0; i< Mesh->getMeshBufferCount() ; ++i)
- Mesh->getMeshBuffer(i)->recalculateBoundingBox();
- Mesh->recalculateBoundingBox();
-}
-
-void CBillboardTextSceneNode::OnRegisterSceneNode()
-{
- if (IsVisible && Font && Mesh)
- {
- SceneManager->registerNodeForRendering(this, ESNRP_TRANSPARENT);
- ISceneNode::OnRegisterSceneNode();
- }
-}
-
-
-//! render
-void CBillboardTextSceneNode::render()
-{
- if ( !Mesh )
- return;
-
- video::IVideoDriver* driver = SceneManager->getVideoDriver();
-
- // draw
- core::matrix4 mat;
- driver->setTransform(video::ETS_WORLD, mat);
-
- for (u32 i = 0; i < Mesh->getMeshBufferCount(); ++i)
- {
- driver->setMaterial(Mesh->getMeshBuffer(i)->getMaterial());
- driver->drawMeshBuffer(Mesh->getMeshBuffer(i));
- }
-
- if ( DebugDataVisible & scene::EDS_BBOX )
- {
- driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
- video::SMaterial m;
- m.Lighting = false;
- driver->setMaterial(m);
- driver->draw3DBox(BBox, video::SColor(0,208,195,152));
- }
-}
-
-
-//! returns the axis aligned bounding box of this node
-const core::aabbox3d<f32>& CBillboardTextSceneNode::getBoundingBox() const
-{
- return BBox;
-}
-
-
-//! sets the size of the billboard
-void CBillboardTextSceneNode::setSize(const core::dimension2d<f32>& size)
-{
- Size = size;
-
- if (Size.Width == 0.0f)
- Size.Width = 1.0f;
-
- if (Size.Height == 0.0f )
- Size.Height = 1.0f;
-
- //f32 avg = (size.Width + size.Height)/6;
- //BBox.MinEdge.set(-avg,-avg,-avg);
- //BBox.MaxEdge.set(avg,avg,avg);
-}
-
-
-video::SMaterial& CBillboardTextSceneNode::getMaterial(u32 i)
-{
- if (Mesh && Mesh->getMeshBufferCount() > i )
- return Mesh->getMeshBuffer(i)->getMaterial();
- else
- return Material;
-}
-
-
-//! returns amount of materials used by this scene node.
-u32 CBillboardTextSceneNode::getMaterialCount() const
-{
- if (Mesh)
- return Mesh->getMeshBufferCount();
- else
- return 0;
-}
-
-
-//! gets the size of the billboard
-const core::dimension2d<f32>& CBillboardTextSceneNode::getSize() const
-{
- return Size;
-}
-
-//! Get the font used to draw the text
-gui::IGUIFont* CBillboardTextSceneNode::getFont() const
-{
- return Font;
-}
-
-//! Set the color of all vertices of the billboard
-//! \param overallColor: the color to set
-void CBillboardTextSceneNode::setColor(const video::SColor & overallColor)
-{
- if ( !Mesh )
- return;
-
- for ( u32 i = 0; i != Text.size (); ++i )
- {
- const SSymbolInfo &info = Symbol[i];
- SMeshBuffer* buf = (SMeshBuffer*)Mesh->getMeshBuffer(info.bufNo);
- buf->Vertices[info.firstVert+0].Color = overallColor;
- buf->Vertices[info.firstVert+1].Color = overallColor;
- buf->Vertices[info.firstVert+2].Color = overallColor;
- buf->Vertices[info.firstVert+3].Color = overallColor;
- }
-}
-
-
-//! 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
-void CBillboardTextSceneNode::setColor(const video::SColor & topColor, const video::SColor & bottomColor)
-{
- if ( !Mesh )
- return;
-
- ColorBottom = bottomColor;
- ColorTop = topColor;
- for ( u32 i = 0; i != Text.size (); ++i )
- {
- const SSymbolInfo &info = Symbol[i];
- SMeshBuffer* buf = (SMeshBuffer*)Mesh->getMeshBuffer(info.bufNo);
- buf->Vertices[info.firstVert+0].Color = ColorBottom;
- buf->Vertices[info.firstVert+3].Color = ColorBottom;
- buf->Vertices[info.firstVert+1].Color = ColorTop;
- buf->Vertices[info.firstVert+2].Color = ColorTop;
- }
-}
-
-
-//! 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
-void CBillboardTextSceneNode::getColor(video::SColor & topColor, video::SColor & bottomColor) const
-{
- topColor = ColorTop;
- bottomColor = ColorBottom;
-}
-
-
-} // end namespace scene
-} // end namespace irr
-
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