1 // panel.cxx - default, 2D single-engine prop instrument panel
3 // Written by David Megginson, started January 2000.
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License as
7 // published by the Free Software Foundation; either version 2 of the
8 // License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful, but
11 // WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 // On 2D panels all instruments include light sources were in night displayed
23 // with a red mask (instrument light). It is not correct for light sources
24 // (bulbs). There is added new layer property "emissive" (boolean) (only for
26 // If a layer has to shine set it in the "instrument_def_file.xml" inside the
27 // <layer> tag by adding <emissive>true</emissive> tag. When omitted the default
28 // value is for backward compatibility set to false.
36 #include <stdio.h> // sprintf
41 #include <osg/CullFace>
43 #include <osg/Material>
44 #include <osg/Matrixf>
46 #include <osg/PolygonOffset>
48 #include <simgear/compiler.h>
52 #include <boost/foreach.hpp>
53 #include <simgear/debug/logstream.hxx>
54 #include <simgear/misc/sg_path.hxx>
55 #include <simgear/scene/model/model.hxx>
58 #include <Main/globals.hxx>
59 #include <Main/fg_props.hxx>
60 #include <Main/viewmgr.hxx>
61 #include <Time/light.hxx>
62 #include <GUI/FGFontCache.hxx>
63 #include <Main/viewer.hxx>
64 #include <Instrumentation/dclgps.hxx>
71 // The number of polygon-offset "units" to place between layers. In
72 // principle, one is supposed to be enough. In practice, I find that
73 // my hardware/driver requires many more.
78 ////////////////////////////////////////////////////////////////////////
80 ////////////////////////////////////////////////////////////////////////
84 * Calculate the aspect adjustment for the panel.
87 get_aspect_adjust (int xsize, int ysize)
89 float ideal_aspect = float(WIN_W) / float(WIN_H);
90 float real_aspect = float(xsize) / float(ysize);
91 return (real_aspect / ideal_aspect);
96 ////////////////////////////////////////////////////////////////////////
98 ////////////////////////////////////////////////////////////////////////
103 const FGPanel* current = globals->get_current_panel();
106 if (current->getVisibility() == 0)
108 if (globals->get_viewmgr()->get_current() != 0)
110 if (current->getAutohide() && globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS != 0)
116 ////////////////////////////////////////////////////////////////////////
117 // Implementation of FGTextureManager.
118 ////////////////////////////////////////////////////////////////////////
120 map<string,osg::ref_ptr<osg::Texture2D> > FGTextureManager::_textureMap;
123 FGTextureManager::createTexture (const string &relativePath, bool staticTexture)
125 osg::Texture2D* texture = _textureMap[relativePath].get();
127 SGPath tpath = globals->resolve_aircraft_path(relativePath);
128 texture = SGLoadTexture2D(staticTexture, tpath);
130 _textureMap[relativePath] = texture;
131 if (!_textureMap[relativePath].valid())
132 SG_LOG( SG_COCKPIT, SG_ALERT, "Texture *still* doesn't exist" );
133 SG_LOG( SG_COCKPIT, SG_DEBUG, "Created texture " << relativePath );
140 void FGTextureManager::addTexture(const string &relativePath,
141 osg::Texture2D* texture)
143 _textureMap[relativePath] = texture;
146 ////////////////////////////////////////////////////////////////////////
147 // Implementation of FGCropped Texture.
148 ////////////////////////////////////////////////////////////////////////
151 FGCroppedTexture::FGCroppedTexture ()
152 : _path(""), _texture(0),
153 _minX(0.0), _minY(0.0), _maxX(1.0), _maxY(1.0)
158 FGCroppedTexture::FGCroppedTexture (const string &path,
159 float minX, float minY,
160 float maxX, float maxY)
161 : _path(path), _texture(0),
162 _minX(minX), _minY(minY), _maxX(maxX), _maxY(maxY)
167 FGCroppedTexture::~FGCroppedTexture ()
173 FGCroppedTexture::getTexture ()
176 _texture = new osg::StateSet;
177 _texture->setTextureAttribute(0, FGTextureManager::createTexture(_path));
178 _texture->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
179 _texture->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
181 return _texture.get();
186 ////////////////////////////////////////////////////////////////////////
187 // Implementation of FGPanel.
188 ////////////////////////////////////////////////////////////////////////
190 static fntRenderer text_renderer;
191 static sgVec4 panel_color;
192 static sgVec4 emissive_panel_color = {1,1,1,1};
200 _width(WIN_W), _height(int(WIN_H * 0.5768 + 1)),
201 // _view_height(int(WIN_H * 0.4232)),
202 _visibility(fgGetNode("/sim/panel/visibility", true)),
203 _x_offset(fgGetNode("/sim/panel/x-offset", true)),
204 _y_offset(fgGetNode("/sim/panel/y-offset", true)),
205 _jitter(fgGetNode("/sim/panel/jitter", true)),
206 _flipx(fgGetNode("/sim/panel/flip-x", true)),
207 _xsize_node(fgGetNode("/sim/startup/xsize", true)),
208 _ysize_node(fgGetNode("/sim/startup/ysize", true)),
209 _enable_depth_test(false),
210 _drawPanelHotspots("/sim/panel-hotspots")
220 for (instrument_list_type::iterator it = _instruments.begin();
221 it != _instruments.end();
230 * Add an instrument to the panel.
233 FGPanel::addInstrument (FGPanelInstrument * instrument)
235 _instruments.push_back(instrument);
240 * Initialize the panel.
249 * Bind panel properties.
254 fgSetArchivable("/sim/panel/visibility");
255 fgSetArchivable("/sim/panel/x-offset");
256 fgSetArchivable("/sim/panel/y-offset");
257 fgSetArchivable("/sim/panel/jitter");
262 * Unbind panel properties.
271 FGPanel::update (double /* dt */)
277 FGPanel::getAspectScale() const
279 // set corner-coordinates correctly
281 int xsize = _xsize_node->getIntValue();
282 int ysize = _ysize_node->getIntValue();
283 float aspect_adjust = get_aspect_adjust(xsize, ysize);
285 if (aspect_adjust < 1.0)
286 return ysize / (double) WIN_H;
288 return xsize /(double) WIN_W;
292 * Handle repeatable mouse events. Called from update() and from
293 * fgUpdate3DPanels(). This functionality needs to move into the
294 * input subsystem. Counting a tick every two frames is clumsy...
296 void FGPanel::updateMouseDelay()
300 if (_mouseDelay < 0) {
301 _mouseInstrument->doMouseAction(_mouseButton, 0, _mouseX, _mouseY);
308 FGPanel::draw(osg::State& state)
311 // In 3D mode, it's possible that we are being drawn exactly on top
312 // of an existing polygon. Use an offset to prevent z-fighting. In
313 // 2D mode, this is a no-op.
314 static osg::ref_ptr<osg::StateSet> panelStateSet;
315 if (!panelStateSet.valid()) {
316 panelStateSet = new osg::StateSet;
317 panelStateSet->setAttributeAndModes(new osg::PolygonOffset(-1, -POFF_UNITS));
318 panelStateSet->setTextureAttribute(0, new osg::TexEnv);
320 // Draw the background
321 panelStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
322 panelStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
323 panelStateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
324 panelStateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
326 osg::Material* material = new osg::Material;
327 material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
328 material->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
329 material->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
330 material->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
331 material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
332 panelStateSet->setAttribute(material);
334 panelStateSet->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
335 panelStateSet->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
336 panelStateSet->setAttributeAndModes(new osg::Depth(osg::Depth::LEQUAL));
338 if ( _enable_depth_test )
339 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
341 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
342 state.pushStateSet(panelStateSet.get());
344 state.setActiveTextureUnit(0);
345 state.setClientActiveTextureUnit(0);
347 FGLight *l = (FGLight *)(globals->get_subsystem("lighting"));
348 sgCopyVec4( panel_color, l->scene_diffuse().data());
349 if ( fgGetDouble("/systems/electrical/outputs/instrument-lights") > 1.0 ) {
350 if ( panel_color[0] < 0.7 ) panel_color[0] = 0.7;
351 if ( panel_color[1] < 0.2 ) panel_color[1] = 0.2;
352 if ( panel_color[2] < 0.2 ) panel_color[2] = 0.2;
354 glColor4fv( panel_color );
356 state.pushStateSet(_bg.get());
358 state.setActiveTextureUnit(0);
359 state.setClientActiveTextureUnit(0);
362 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X, WIN_Y);
363 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + _width, WIN_Y);
364 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + _width, WIN_Y + _height);
365 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X, WIN_Y + _height);
369 state.setActiveTextureUnit(0);
370 state.setClientActiveTextureUnit(0);
373 for (int i = 0; i < 4; i ++) {
374 // top row of textures...(1,3,5,7)
375 state.pushStateSet(_mbg[i*2].get());
377 state.setActiveTextureUnit(0);
378 state.setClientActiveTextureUnit(0);
381 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
382 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
383 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + _height);
384 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + _height);
388 state.setActiveTextureUnit(0);
389 state.setClientActiveTextureUnit(0);
391 // bottom row of textures...(2,4,6,8)
392 state.pushStateSet(_mbg[i*2+1].get());
394 state.setActiveTextureUnit(0);
395 state.setClientActiveTextureUnit(0);
398 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y);
399 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y);
400 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
401 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
405 state.setActiveTextureUnit(0);
406 state.setClientActiveTextureUnit(0);
411 // Draw the instruments.
412 // Syd Adams: added instrument clipping
413 instrument_list_type::const_iterator current = _instruments.begin();
414 instrument_list_type::const_iterator end = _instruments.end();
416 GLdouble blx[4]={1.0,0.0,0.0,0.0};
417 GLdouble bly[4]={0.0,1.0,0.0,0.0};
418 GLdouble urx[4]={-1.0,0.0,0.0,0.0};
419 GLdouble ury[4]={0.0,-1.0,0.0,0.0};
421 for ( ; current != end; current++) {
422 FGPanelInstrument * instr = *current;
424 glTranslated(instr->getXPos(), instr->getYPos(), 0);
426 int ix= instr->getWidth();
427 int iy= instr->getHeight();
429 glTranslated(-ix/2,-iy/2,0);
430 glClipPlane(GL_CLIP_PLANE0,blx);
431 glClipPlane(GL_CLIP_PLANE1,bly);
432 glEnable(GL_CLIP_PLANE0);
433 glEnable(GL_CLIP_PLANE1);
435 glTranslated(ix,iy,0);
436 glClipPlane(GL_CLIP_PLANE2,urx);
437 glClipPlane(GL_CLIP_PLANE3,ury);
438 glEnable(GL_CLIP_PLANE2);
439 glEnable(GL_CLIP_PLANE3);
446 glDisable(GL_CLIP_PLANE0);
447 glDisable(GL_CLIP_PLANE1);
448 glDisable(GL_CLIP_PLANE2);
449 glDisable(GL_CLIP_PLANE3);
453 state.setActiveTextureUnit(0);
454 state.setClientActiveTextureUnit(0);
457 // Draw yellow "hotspots" if directed to. This is a panel authoring
458 // feature; not intended to be high performance or to look good.
459 if ( _drawPanelHotspots ) {
460 static osg::ref_ptr<osg::StateSet> hotspotStateSet;
461 if (!hotspotStateSet.valid()) {
462 hotspotStateSet = new osg::StateSet;
463 hotspotStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::OFF);
464 hotspotStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
467 state.pushStateSet(hotspotStateSet.get());
469 state.setActiveTextureUnit(0);
470 state.setClientActiveTextureUnit(0);
473 glPushAttrib(GL_ENABLE_BIT);
474 glDisable(GL_COLOR_MATERIAL);
477 for ( unsigned int i = 0; i < _instruments.size(); i++ )
478 _instruments[i]->drawHotspots(state);
483 getLogicalExtent(x0, y0, x1, y1);
485 glBegin(GL_LINE_LOOP);
497 state.setActiveTextureUnit(0);
498 state.setClientActiveTextureUnit(0);
504 * Set the panel's visibility.
507 FGPanel::setVisibility (bool visibility)
509 _visibility->setBoolValue( visibility );
514 * Return true if the panel is visible.
517 FGPanel::getVisibility () const
519 return _visibility->getBoolValue();
524 * Set the panel's background texture.
527 FGPanel::setBackground (osg::Texture2D* texture)
529 osg::StateSet* stateSet = new osg::StateSet;
530 stateSet->setTextureAttribute(0, texture);
531 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
532 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
537 * Set the panel's multiple background textures.
540 FGPanel::setMultiBackground (osg::Texture2D* texture, int idx)
544 osg::StateSet* stateSet = new osg::StateSet;
545 stateSet->setTextureAttribute(0, texture);
546 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
547 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
548 _mbg[idx] = stateSet;
552 * Set the panel's x-offset.
555 FGPanel::setXOffset (int offset)
557 if (offset <= 0 && offset >= -_width + WIN_W)
558 _x_offset->setIntValue( offset );
563 * Set the panel's y-offset.
566 FGPanel::setYOffset (int offset)
568 if (offset <= 0 && offset >= -_height)
569 _y_offset->setIntValue( offset );
573 * Handle a mouse action in panel-local (not screen) coordinates.
574 * Used by the 3D panel code in Model/panelnode.cxx, in situations
575 * where the panel doesn't control its own screen location.
578 FGPanel::doLocalMouseAction(int button, int updown, int x, int y)
580 // Note a released button and return
582 if (_mouseInstrument != 0)
583 _mouseInstrument->doMouseAction(_mouseButton, 1, _mouseX, _mouseY);
585 _mouseInstrument = 0;
589 // Search for a matching instrument.
590 for (int i = 0; i < (int)_instruments.size(); i++) {
591 FGPanelInstrument *inst = _instruments[i];
592 int ix = inst->getXPos();
593 int iy = inst->getYPos();
594 int iw = inst->getWidth() / 2;
595 int ih = inst->getHeight() / 2;
596 if (x >= ix - iw && x < ix + iw && y >= iy - ih && y < iy + ih) {
599 _mouseInstrument = inst;
600 _mouseButton = button;
603 // Always do the action once.
604 return _mouseInstrument->doMouseAction(_mouseButton, 0,
612 * Perform a mouse action.
615 FGPanel::doMouseAction (int button, int updown, int x, int y)
617 // FIXME: this same code appears in update()
618 int xsize = _xsize_node->getIntValue();
619 int ysize = _ysize_node->getIntValue();
620 float aspect_adjust = get_aspect_adjust(xsize, ysize);
622 // Scale for the real window size.
623 if (aspect_adjust < 1.0) {
624 x = int(((float)x / xsize) * WIN_W * aspect_adjust);
625 y = int(WIN_H - ((float(y) / ysize) * WIN_H));
627 x = int(((float)x / xsize) * WIN_W);
628 y = int((WIN_H - ((float(y) / ysize) * WIN_H)) / aspect_adjust);
631 // Adjust for offsets.
632 x -= _x_offset->getIntValue();
633 y -= _y_offset->getIntValue();
635 // Having fixed up the coordinates, fall through to the local
636 // coordinate handler.
637 return doLocalMouseAction(button, updown, x, y);
640 void FGPanel::setDepthTest (bool enable) {
641 _enable_depth_test = enable;
649 x0(std::numeric_limits<int>::max()),
650 y0(std::numeric_limits<int>::max()),
651 x1(std::numeric_limits<int>::min()),
652 y1(std::numeric_limits<int>::min())
655 IntRect(int x, int y, int w, int h) :
656 x0(x), y0(y), x1(x + w), y1( y + h)
670 void extend(const IntRect& r)
672 x0 = std::min(x0, r.x0);
673 y0 = std::min(y0, r.y0);
674 x1 = std::max(x1, r.x1);
675 y1 = std::max(y1, r.y1);
681 void FGPanel::getLogicalExtent(int &x0, int& y0, int& x1, int &y1)
684 BOOST_FOREACH(FGPanelInstrument *inst, _instruments) {
685 inst->extendRect(result);
694 ////////////////////////////////////////////////////////////////////////.
695 // Implementation of FGPanelAction.
696 ////////////////////////////////////////////////////////////////////////
698 FGPanelAction::FGPanelAction ()
702 FGPanelAction::FGPanelAction (int button, int x, int y, int w, int h,
704 : _button(button), _x(x), _y(y), _w(w), _h(h), _repeatable(repeatable)
708 FGPanelAction::~FGPanelAction ()
710 for (unsigned int i = 0; i < 2; i++) {
711 for (unsigned int j = 0; j < _bindings[i].size(); j++)
712 delete _bindings[i][j];
717 FGPanelAction::addBinding (SGBinding * binding, int updown)
719 _bindings[updown].push_back(binding);
723 FGPanelAction::doAction (int updown)
726 if ((updown != _last_state) || (updown == 0 && _repeatable)) {
727 int nBindings = _bindings[updown].size();
728 for (int i = 0; i < nBindings; i++)
729 _bindings[updown][i]->fire();
731 _last_state = updown;
740 ////////////////////////////////////////////////////////////////////////
741 // Implementation of FGPanelTransformation.
742 ////////////////////////////////////////////////////////////////////////
744 FGPanelTransformation::FGPanelTransformation ()
749 FGPanelTransformation::~FGPanelTransformation ()
756 ////////////////////////////////////////////////////////////////////////
757 // Implementation of FGPanelInstrument.
758 ////////////////////////////////////////////////////////////////////////
761 FGPanelInstrument::FGPanelInstrument ()
767 FGPanelInstrument::FGPanelInstrument (int x, int y, int w, int h)
773 FGPanelInstrument::~FGPanelInstrument ()
775 for (action_list_type::iterator it = _actions.begin();
776 it != _actions.end();
784 FGPanelInstrument::drawHotspots(osg::State& state)
786 for ( unsigned int i = 0; i < _actions.size(); i++ ) {
787 FGPanelAction* a = _actions[i];
788 float x1 = getXPos() + a->getX();
789 float x2 = x1 + a->getWidth();
790 float y1 = getYPos() + a->getY();
791 float y2 = y1 + a->getHeight();
793 glBegin(GL_LINE_LOOP);
803 FGPanelInstrument::setPosition (int x, int y)
810 FGPanelInstrument::setSize (int w, int h)
817 FGPanelInstrument::getXPos () const
823 FGPanelInstrument::getYPos () const
829 FGPanelInstrument::getWidth () const
835 FGPanelInstrument::getHeight () const
841 FGPanelInstrument::extendRect(IntRect& r) const
843 IntRect instRect(_x, _y, _w, _h);
846 BOOST_FOREACH(FGPanelAction* act, _actions) {
847 r.extend(IntRect(getXPos() + act->getX(),
848 getYPos() + act->getY(),
856 FGPanelInstrument::addAction (FGPanelAction * action)
858 _actions.push_back(action);
861 // Coordinates relative to centre.
863 FGPanelInstrument::doMouseAction (int button, int updown, int x, int y)
866 action_list_type::iterator it = _actions.begin();
867 action_list_type::iterator last = _actions.end();
868 for ( ; it != last; it++) {
869 if ((*it)->inArea(button, x, y) &&
870 (*it)->doAction(updown))
879 ////////////////////////////////////////////////////////////////////////
880 // Implementation of FGLayeredInstrument.
881 ////////////////////////////////////////////////////////////////////////
883 FGLayeredInstrument::FGLayeredInstrument (int x, int y, int w, int h)
884 : FGPanelInstrument(x, y, w, h)
888 FGLayeredInstrument::~FGLayeredInstrument ()
890 for (layer_list::iterator it = _layers.begin(); it != _layers.end(); it++) {
897 FGLayeredInstrument::draw (osg::State& state)
902 for (int i = 0; i < (int)_layers.size(); i++) {
904 _layers[i]->draw(state);
910 FGLayeredInstrument::addLayer (FGInstrumentLayer *layer)
912 int n = _layers.size();
913 if (layer->getWidth() == -1) {
914 layer->setWidth(getWidth());
916 if (layer->getHeight() == -1) {
917 layer->setHeight(getHeight());
919 _layers.push_back(layer);
924 FGLayeredInstrument::addLayer (const FGCroppedTexture &texture,
927 return addLayer(new FGTexturedLayer(texture, w, h));
931 FGLayeredInstrument::addTransformation (FGPanelTransformation * transformation)
933 int layer = _layers.size() - 1;
934 _layers[layer]->addTransformation(transformation);
939 ////////////////////////////////////////////////////////////////////////
940 // Implementation of FGSpecialInstrument.
941 ////////////////////////////////////////////////////////////////////////
943 FGSpecialInstrument::FGSpecialInstrument (DCLGPS* sb)
944 : FGPanelInstrument()
949 FGSpecialInstrument::~FGSpecialInstrument ()
954 FGSpecialInstrument::draw (osg::State& state)
956 complex->draw(state);
961 ////////////////////////////////////////////////////////////////////////
962 // Implementation of FGInstrumentLayer.
963 ////////////////////////////////////////////////////////////////////////
965 FGInstrumentLayer::FGInstrumentLayer (int w, int h)
971 FGInstrumentLayer::~FGInstrumentLayer ()
973 for (transformation_list::iterator it = _transformations.begin();
974 it != _transformations.end();
982 FGInstrumentLayer::transform () const
984 transformation_list::const_iterator it = _transformations.begin();
985 transformation_list::const_iterator last = _transformations.end();
987 FGPanelTransformation *t = *it;
989 float val = (t->node == 0 ? 0.0 : t->node->getFloatValue());
992 val = fmod(val, t->mod);
995 } else if (val > t->max) {
1000 val = val * t->factor + t->offset;
1002 val = t->table->interpolate(val) * t->factor + t->offset;
1006 case FGPanelTransformation::XSHIFT:
1007 glTranslatef(val, 0.0, 0.0);
1009 case FGPanelTransformation::YSHIFT:
1010 glTranslatef(0.0, val, 0.0);
1012 case FGPanelTransformation::ROTATION:
1013 glRotatef(-val, 0.0, 0.0, 1.0);
1022 FGInstrumentLayer::addTransformation (FGPanelTransformation * transformation)
1024 _transformations.push_back(transformation);
1029 ////////////////////////////////////////////////////////////////////////
1030 // Implementation of FGGroupLayer.
1031 ////////////////////////////////////////////////////////////////////////
1033 FGGroupLayer::FGGroupLayer ()
1037 FGGroupLayer::~FGGroupLayer ()
1039 for (unsigned int i = 0; i < _layers.size(); i++)
1044 FGGroupLayer::draw (osg::State& state)
1048 int nLayers = _layers.size();
1049 for (int i = 0; i < nLayers; i++)
1050 _layers[i]->draw(state);
1055 FGGroupLayer::addLayer (FGInstrumentLayer * layer)
1057 _layers.push_back(layer);
1062 ////////////////////////////////////////////////////////////////////////
1063 // Implementation of FGTexturedLayer.
1064 ////////////////////////////////////////////////////////////////////////
1067 FGTexturedLayer::FGTexturedLayer (const FGCroppedTexture &texture, int w, int h)
1068 : FGInstrumentLayer(w, h),
1071 setTexture(texture);
1075 FGTexturedLayer::~FGTexturedLayer ()
1081 FGTexturedLayer::draw (osg::State& state)
1088 state.pushStateSet(_texture.getTexture());
1090 state.setActiveTextureUnit(0);
1091 state.setClientActiveTextureUnit(0);
1093 glBegin(GL_POLYGON);
1096 glColor4fv( emissive_panel_color );
1098 // From Curt: turn on the panel
1099 // lights after sundown.
1100 glColor4fv( panel_color );
1103 glTexCoord2f(_texture.getMinX(), _texture.getMinY()); glVertex2f(-w2, -h2);
1104 glTexCoord2f(_texture.getMaxX(), _texture.getMinY()); glVertex2f(w2, -h2);
1105 glTexCoord2f(_texture.getMaxX(), _texture.getMaxY()); glVertex2f(w2, h2);
1106 glTexCoord2f(_texture.getMinX(), _texture.getMaxY()); glVertex2f(-w2, h2);
1108 state.popStateSet();
1110 state.setActiveTextureUnit(0);
1111 state.setClientActiveTextureUnit(0);
1118 ////////////////////////////////////////////////////////////////////////
1119 // Implementation of FGTextLayer.
1120 ////////////////////////////////////////////////////////////////////////
1122 FGTextLayer::FGTextLayer (int w, int h)
1123 : FGInstrumentLayer(w, h), _pointSize(14.0), _font_name("Helvetica.txf")
1126 _color[0] = _color[1] = _color[2] = 0.0;
1130 FGTextLayer::~FGTextLayer ()
1132 chunk_list::iterator it = _chunks.begin();
1133 chunk_list::iterator last = _chunks.end();
1134 for ( ; it != last; it++) {
1140 FGTextLayer::draw (osg::State& state)
1146 FGFontCache *fc = globals->get_fontcache();
1147 fntFont* font = fc->getTexFont(_font_name.c_str());
1149 return; // don't crash on missing fonts
1152 text_renderer.setFont(font);
1154 text_renderer.setPointSize(_pointSize);
1155 text_renderer.begin();
1156 text_renderer.start3f(0, 0, 0);
1159 double diff = (_now - _then).toUSecs();
1161 if (diff > 100000 || diff < 0 ) {
1162 // ( diff < 0 ) is a sanity check and indicates our time stamp
1163 // difference math probably overflowed. We can handle a max
1164 // difference of 35.8 minutes since the returned value is in
1165 // usec. So if the panel is left off longer than that we can
1166 // over flow the math with it is turned back on. This (diff <
1167 // 0) catches that situation, get's us out of trouble, and
1173 // Something is goofy. The code in this file renders only CCW
1174 // polygons, and I have verified that the font code in plib
1175 // renders only CCW trianbles. Yet they come out backwards.
1176 // Something around here or in plib is either changing the winding
1177 // order or (more likely) pushing a left-handed matrix onto the
1178 // stack. But I can't find it; get out the chainsaw...
1180 text_renderer.puts((char *)(_value.c_str()));
1181 glFrontFace(GL_CCW);
1183 text_renderer.end();
1184 glColor4f(1.0, 1.0, 1.0, 1.0); // FIXME
1189 FGTextLayer::addChunk (FGTextLayer::Chunk * chunk)
1191 _chunks.push_back(chunk);
1195 FGTextLayer::setColor (float r, float g, float b)
1204 FGTextLayer::setPointSize (float size)
1210 FGTextLayer::setFontName(const string &name)
1212 _font_name = name + ".txf";
1213 FGFontCache *fc = globals->get_fontcache();
1214 fntFont* font = fc->getTexFont(_font_name.c_str());
1216 SG_LOG(SG_COCKPIT, SG_WARN, "unable to find font:" << name);
1222 FGTextLayer::setFont(fntFont * font)
1224 text_renderer.setFont(font);
1229 FGTextLayer::recalc_value () const
1232 chunk_list::const_iterator it = _chunks.begin();
1233 chunk_list::const_iterator last = _chunks.end();
1234 for ( ; it != last; it++) {
1235 _value += (*it)->getValue();
1241 ////////////////////////////////////////////////////////////////////////
1242 // Implementation of FGTextLayer::Chunk.
1243 ////////////////////////////////////////////////////////////////////////
1245 FGTextLayer::Chunk::Chunk (const string &text, const string &fmt)
1246 : _type(FGTextLayer::TEXT), _fmt(fmt)
1253 FGTextLayer::Chunk::Chunk (ChunkType type, const SGPropertyNode * node,
1254 const string &fmt, float mult, float offs,
1256 : _type(type), _fmt(fmt), _mult(mult), _offs(offs), _trunc(truncation)
1259 if (type == TEXT_VALUE)
1268 FGTextLayer::Chunk::getValue () const
1274 sprintf(_buf, _fmt.c_str(), _text.c_str());
1277 sprintf(_buf, _fmt.c_str(), _node->getStringValue());
1280 double d = _offs + _node->getFloatValue() * _mult;
1281 if (_trunc) d = (d < 0) ? -floor(-d) : floor(d);
1282 sprintf(_buf, _fmt.c_str(), d);
1293 ////////////////////////////////////////////////////////////////////////
1294 // Implementation of FGSwitchLayer.
1295 ////////////////////////////////////////////////////////////////////////
1297 FGSwitchLayer::FGSwitchLayer ()
1303 FGSwitchLayer::draw (osg::State& state)
1307 int nLayers = _layers.size();
1308 for (int i = 0; i < nLayers; i++) {
1309 if (_layers[i]->test()) {
1310 _layers[i]->draw(state);