148 lines
4.3 KiB
C++
148 lines
4.3 KiB
C++
// splash.hxx -- draws the initial splash screen
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//
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// Written by Curtis Olson, started July 1998. (With a little looking
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// at Freidemann's panel code.) :-)
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//
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// Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _SPLASH_HXX
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#define _SPLASH_HXX
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#include <config.h>
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#include <osg/Group>
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#include <osgText/Text>
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#ifdef ENABLE_OSGXR
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#include <osgXR/CompositionLayerQuad>
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#include <osgXR/Swapchain>
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#endif
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#include <simgear/props/props.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <vector>
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namespace osg
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{
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class Texture2D;
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class Image;
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class Camera;
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}
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class SplashScreen : public osg::Group
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{
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public:
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SplashScreen();
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~SplashScreen();
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void resize(int width, int height);
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private:
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// model-content or content
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struct TextItem
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{
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osg::ref_ptr<osgText::Text> textNode;
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SGPropertyNode_ptr dynamicContent;
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osg::Vec2 fractionalPosition; // position in the 0.0 .. 1.0 range
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double fractionalCharSize;
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double maxWidthFraction = -1.0;
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unsigned int maxLineCount = 0;
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double maxHeightFraction = -1.0;
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SGCondition* condition;
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unsigned int drawMode;
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void recomputeSize(int height) const;
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void reposition(int width, int height) const;
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};
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// used to manage the displayed images on the splash screen
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struct ImageItem
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{
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std::string name;
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double x;
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double y;
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double width;
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double height;
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bool isBackground;
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double aspectRatio;
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int imageWidth;
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int imageHeight;
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osg::ref_ptr<osg::Vec3Array> vertexArray = nullptr;
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osg::ref_ptr<osg::Image> Image = nullptr;
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SGCondition* condition;
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osg::Node::NodeMask nodeMask;
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osg::Geode* geode;
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};
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friend class SplashScreenUpdateCallback;
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void createNodes();
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void CreateTextFromNode(const SGPropertyNode_ptr& content, osg::Geode* geode, bool modelContent);
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void doUpdate();
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void updateSplashSpinner();
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void updateTipText();
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std::string selectSplashImage();
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TextItem* addText(osg::Geode* geode, const osg::Vec2& pos, double size, const std::string& text,
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const osgText::Text::AlignmentType alignment,
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SGPropertyNode* dynamicValue = nullptr,
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double maxWidthFraction = -1.0,
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const osg::Vec4& textColor = osg::Vec4(1, 1, 1, 1),
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const std::string &fontFace = "Fonts/LiberationFonts/LiberationSans-BoldItalic.ttf");
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osg::ref_ptr<osg::Camera> createFBOCamera();
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void manuallyResizeFBO(int width, int height);
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bool _legacySplashScreenMode = false;
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SGPropertyNode_ptr _splashAlphaNode;
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osg::ref_ptr<osg::Camera> _splashFBOCamera;
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osg::Vec3Array* _splashSpinnerVertexArray = nullptr;
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int _width, _height;
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osg::Texture2D* _splashFBOTexture;
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osg::Vec4Array* _splashFSQuadColor;
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osg::ref_ptr<osg::Camera> _splashQuadCamera;
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std::vector<ImageItem> _imageItems;
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#ifdef ENABLE_OSGXR
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// Splash as OpenXR composition layer
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osg::ref_ptr<osgXR::Swapchain> _splashSwapchain;
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osg::ref_ptr<osgXR::CompositionLayerQuad> _splashLayer;
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#endif
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std::vector<TextItem> _items;
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SGTimeStamp _splashStartTime;
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bool _haveSetStartupTip = false;
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const ImageItem* addImage(const std::string& path, bool isAbsolutePath, double x, double y, double width, double height, SGPropertyNode* condition, bool isSplash);
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};
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/** Set progress information.
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* "identifier" references an element of the language resource. */
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void fgSplashProgress ( const char *identifier, unsigned int percent = 0 );
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#endif // _SPLASH_HXX
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