142 lines
3.9 KiB
C++
142 lines
3.9 KiB
C++
// Canvas with 2D rendering api
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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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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#include "canvas_mgr.hxx"
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#include <Cockpit/od_gauge.hxx>
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#include <Main/fg_props.hxx>
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#include <Scripting/NasalModelData.hxx>
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#include <Viewer/CameraGroup.hxx>
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#include <simgear/canvas/Canvas.hxx>
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namespace sc = simgear::canvas;
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//------------------------------------------------------------------------------
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static sc::Placements addSceneObjectPlacement( SGPropertyNode* placement,
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sc::CanvasPtr canvas )
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{
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int module_id = placement->getIntValue("module-id", -1);
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if( module_id < 0 )
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return sc::Placements();
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FGNasalModelData* model_data =
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FGNasalModelData::getByModuleId( static_cast<unsigned int>(module_id) );
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if( !model_data )
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return sc::Placements();
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if( !model_data->getNode() )
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return sc::Placements();
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return FGODGauge::set_texture
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(
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model_data->getNode(),
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placement,
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canvas->getTexture(),
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canvas->getCullCallback(),
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canvas
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);
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}
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//------------------------------------------------------------------------------
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CanvasMgr::CanvasMgr():
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simgear::canvas::CanvasMgr( fgGetNode("/canvas/by-index", true) ),
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_cb_model_reinit
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(
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this,
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&CanvasMgr::handleModelReinit,
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fgGetNode("/sim/signals/model-reinit", true)
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)
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{
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}
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//----------------------------------------------------------------------------
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void CanvasMgr::init()
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{
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_gui_camera = flightgear::getGUICamera(flightgear::CameraGroup::getDefault());
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assert(_gui_camera.valid());
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sc::Canvas::addPlacementFactory
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(
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"object",
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boost::bind
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(
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&FGODGauge::set_aircraft_texture,
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_1,
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boost::bind(&sc::Canvas::getTexture, _2),
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boost::bind(&sc::Canvas::getCullCallback, _2),
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_2
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)
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);
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sc::Canvas::addPlacementFactory("scenery-object", &addSceneObjectPlacement);
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simgear::canvas::CanvasMgr::init();
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}
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//----------------------------------------------------------------------------
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void CanvasMgr::shutdown()
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{
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simgear::canvas::CanvasMgr::shutdown();
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sc::Canvas::removePlacementFactory("object");
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sc::Canvas::removePlacementFactory("scenery-object");
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_gui_camera = 0;
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}
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//------------------------------------------------------------------------------
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unsigned int
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CanvasMgr::getCanvasTexId(const simgear::canvas::CanvasPtr& canvas) const
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{
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if( !canvas )
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return 0;
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osg::Texture2D* tex = canvas->getTexture();
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if( !tex )
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return 0;
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// osgViewer::Viewer::Contexts contexts;
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// globals->get_renderer()->getViewer()->getContexts(contexts);
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//
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// if( contexts.empty() )
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// return 0;
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osg::ref_ptr<osg::Camera> guiCamera;
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if( !_gui_camera.lock(guiCamera) )
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return 0;
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osg::State* state = guiCamera->getGraphicsContext()->getState(); //contexts[0]->getState();
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if( !state )
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return 0;
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osg::Texture::TextureObject* tobj =
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tex->getTextureObject( state->getContextID() );
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if( !tobj )
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return 0;
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return tobj->_id;
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}
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//----------------------------------------------------------------------------
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void CanvasMgr::handleModelReinit(SGPropertyNode*)
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{
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for(size_t i = 0; i < _elements.size(); ++i)
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static_cast<sc::Canvas*>(_elements[i].get())->reloadPlacements("object");
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}
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