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.
34 #include <stdio.h> // sprintf
38 #include <osg/CullFace>
40 #include <osg/Material>
42 #include <osg/PolygonOffset>
44 #include <simgear/compiler.h>
48 #include <simgear/debug/logstream.hxx>
49 #include <simgear/misc/sg_path.hxx>
50 #include <simgear/scene/model/model.hxx>
53 #include <Main/globals.hxx>
54 #include <Main/fg_props.hxx>
55 #include <Main/viewmgr.hxx>
56 #include <Time/light.hxx>
57 #include <GUI/new_gui.hxx> // FGFontCache
58 #include <Main/viewer.hxx>
68 // The number of polygon-offset "units" to place between layers. In
69 // principle, one is supposed to be enough. In practice, I find that
70 // my hardware/driver requires many more.
73 ////////////////////////////////////////////////////////////////////////
75 ////////////////////////////////////////////////////////////////////////
79 * Calculate the aspect adjustment for the panel.
82 get_aspect_adjust (int xsize, int ysize)
84 float ideal_aspect = float(WIN_W) / float(WIN_H);
85 float real_aspect = float(xsize) / float(ysize);
86 return (real_aspect / ideal_aspect);
91 ////////////////////////////////////////////////////////////////////////
93 ////////////////////////////////////////////////////////////////////////
98 const FGPanel* current = globals->get_current_panel();
101 if (current->getVisibility() == 0)
103 if (globals->get_viewmgr()->get_current() != 0)
105 if (current->getAutohide() && globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS != 0)
111 ////////////////////////////////////////////////////////////////////////
112 // Implementation of FGTextureManager.
113 ////////////////////////////////////////////////////////////////////////
115 map<string,osg::ref_ptr<osg::Texture2D> > FGTextureManager::_textureMap;
118 FGTextureManager::createTexture (const string &relativePath, bool staticTexture)
120 osg::Texture2D* texture = _textureMap[relativePath].get();
122 SG_LOG( SG_COCKPIT, SG_DEBUG,
123 "Texture " << relativePath << " does not yet exist" );
124 SGPath tpath(globals->get_fg_root());
125 tpath.append(relativePath);
127 texture = SGLoadTexture2D(staticTexture, tpath);
129 _textureMap[relativePath] = texture;
130 if (!_textureMap[relativePath].valid())
131 SG_LOG( SG_COCKPIT, SG_ALERT, "Texture *still* doesn't exist" );
132 SG_LOG( SG_COCKPIT, SG_DEBUG, "Created texture " << relativePath );
139 void FGTextureManager::addTexture(const string &relativePath,
140 osg::Texture2D* texture)
142 _textureMap[relativePath] = texture;
145 ////////////////////////////////////////////////////////////////////////
146 // Implementation of FGCropped Texture.
147 ////////////////////////////////////////////////////////////////////////
150 FGCroppedTexture::FGCroppedTexture ()
151 : _path(""), _texture(0),
152 _minX(0.0), _minY(0.0), _maxX(1.0), _maxY(1.0)
157 FGCroppedTexture::FGCroppedTexture (const string &path,
158 float minX, float minY,
159 float maxX, float maxY)
160 : _path(path), _texture(0),
161 _minX(minX), _minY(minY), _maxX(maxX), _maxY(maxY)
166 FGCroppedTexture::~FGCroppedTexture ()
172 FGCroppedTexture::getTexture ()
175 _texture = new osg::StateSet;
176 _texture->setTextureAttribute(0, FGTextureManager::createTexture(_path));
177 _texture->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
178 _texture->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
180 return _texture.get();
185 ////////////////////////////////////////////////////////////////////////
186 // Implementation of FGPanel.
187 ////////////////////////////////////////////////////////////////////////
189 static fntRenderer text_renderer;
190 static sgVec4 panel_color;
191 static sgVec4 emissive_panel_color = {1,1,1,1};
199 _width(WIN_W), _height(int(WIN_H * 0.5768 + 1)),
200 _view_height(int(WIN_H * 0.4232)),
201 _visibility(fgGetNode("/sim/panel/visibility", true)),
202 _x_offset(fgGetNode("/sim/panel/x-offset", true)),
203 _y_offset(fgGetNode("/sim/panel/y-offset", true)),
204 _jitter(fgGetNode("/sim/panel/jitter", true)),
205 _flipx(fgGetNode("/sim/panel/flip-x", true)),
206 _xsize_node(fgGetNode("/sim/startup/xsize", true)),
207 _ysize_node(fgGetNode("/sim/startup/ysize", true)),
208 _enable_depth_test(false)
218 for (instrument_list_type::iterator it = _instruments.begin();
219 it != _instruments.end();
228 * Add an instrument to the panel.
231 FGPanel::addInstrument (FGPanelInstrument * instrument)
233 _instruments.push_back(instrument);
238 * Initialize the panel.
247 * Bind panel properties.
252 fgSetArchivable("/sim/panel/visibility");
253 fgSetArchivable("/sim/panel/x-offset");
254 fgSetArchivable("/sim/panel/y-offset");
255 fgSetArchivable("/sim/panel/jitter");
260 * Unbind panel properties.
269 FGPanel::update (double dt)
271 std::cout << "OSGFIXME" << std::endl;
275 FGPanel::update (osg::State& state, GLfloat winx, GLfloat winw, GLfloat winy, GLfloat winh)
277 // Calculate accelerations
278 // and jiggle the panel accordingly
279 // The factors and bounds are just
280 // initial guesses; using sqrt smooths
282 double x_offset = _x_offset->getIntValue();
283 double y_offset = _y_offset->getIntValue();
286 glMatrixMode(GL_PROJECTION);
289 if ( _flipx->getBoolValue() ) {
290 gluOrtho2D(winx + winw, winx, winy + winh, winy); /* up side down */
292 gluOrtho2D(winx, winx + winw, winy, winy + winh); /* right side up */
295 glMatrixMode(GL_MODELVIEW);
299 glTranslated(x_offset, y_offset, 0);
303 glMatrixMode(GL_PROJECTION);
305 glMatrixMode(GL_MODELVIEW);
313 FGPanel::update (osg::State& state)
315 // Do nothing if the panel isn't visible.
316 if ( !fgPanelVisible() ) {
322 // Now, draw the panel
323 float aspect_adjust = get_aspect_adjust(_xsize_node->getIntValue(),
324 _ysize_node->getIntValue());
325 if (aspect_adjust <1.0)
326 update(state, WIN_X, int(WIN_W * aspect_adjust), WIN_Y, WIN_H);
328 update(state, WIN_X, WIN_W, WIN_Y, int(WIN_H / aspect_adjust));
332 * Handle repeatable mouse events. Called from update() and from
333 * fgUpdate3DPanels(). This functionality needs to move into the
334 * input subsystem. Counting a tick every two frames is clumsy...
336 void FGPanel::updateMouseDelay()
340 if (_mouseDelay < 0) {
341 _mouseInstrument->doMouseAction(_mouseButton, 0, _mouseX, _mouseY);
349 FGPanel::draw(osg::State& state)
351 // In 3D mode, it's possible that we are being drawn exactly on top
352 // of an existing polygon. Use an offset to prevent z-fighting. In
353 // 2D mode, this is a no-op.
354 static osg::ref_ptr<osg::StateSet> panelStateSet;
355 if (!panelStateSet.valid()) {
356 panelStateSet = new osg::StateSet;
357 panelStateSet->setAttributeAndModes(new osg::PolygonOffset(-1, -POFF_UNITS));
358 panelStateSet->setTextureAttribute(0, new osg::TexEnv);
360 // Draw the background
361 panelStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
362 panelStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
363 panelStateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
364 panelStateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
365 osg::Material* material = new osg::Material;
366 material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
367 material->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
368 material->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
369 material->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
370 material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
371 panelStateSet->setAttribute(material);
372 panelStateSet->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
373 panelStateSet->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
374 panelStateSet->setAttributeAndModes(new osg::Depth(osg::Depth::LEQUAL));
376 if ( _enable_depth_test )
377 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
379 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
380 state.pushStateSet(panelStateSet.get());
382 state.setActiveTextureUnit(0);
383 state.setClientActiveTextureUnit(0);
385 FGLight *l = (FGLight *)(globals->get_subsystem("lighting"));
386 sgCopyVec4( panel_color, l->scene_diffuse().data());
387 if ( fgGetDouble("/systems/electrical/outputs/instrument-lights") > 1.0 ) {
388 if ( panel_color[0] < 0.7 ) panel_color[0] = 0.7;
389 if ( panel_color[1] < 0.2 ) panel_color[1] = 0.2;
390 if ( panel_color[2] < 0.2 ) panel_color[2] = 0.2;
392 glColor4fv( panel_color );
394 state.pushStateSet(_bg.get());
396 state.setActiveTextureUnit(0);
397 state.setClientActiveTextureUnit(0);
400 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X, WIN_Y);
401 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + _width, WIN_Y);
402 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + _width, WIN_Y + _height);
403 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X, WIN_Y + _height);
407 state.setActiveTextureUnit(0);
408 state.setClientActiveTextureUnit(0);
411 for (int i = 0; i < 4; i ++) {
412 // top row of textures...(1,3,5,7)
413 state.pushStateSet(_mbg[i*2].get());
415 state.setActiveTextureUnit(0);
416 state.setClientActiveTextureUnit(0);
419 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
420 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
421 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + _height);
422 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + _height);
426 state.setActiveTextureUnit(0);
427 state.setClientActiveTextureUnit(0);
429 // bottom row of textures...(2,4,6,8)
430 state.pushStateSet(_mbg[i*2+1].get());
432 state.setActiveTextureUnit(0);
433 state.setClientActiveTextureUnit(0);
436 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y);
437 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y);
438 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
439 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
443 state.setActiveTextureUnit(0);
444 state.setClientActiveTextureUnit(0);
449 // Draw the instruments.
450 // Syd Adams: added instrument clipping
451 instrument_list_type::const_iterator current = _instruments.begin();
452 instrument_list_type::const_iterator end = _instruments.end();
454 GLdouble blx[4]={1.0,0.0,0.0,0.0};
455 GLdouble bly[4]={0.0,1.0,0.0,0.0};
456 GLdouble urx[4]={-1.0,0.0,0.0,0.0};
457 GLdouble ury[4]={0.0,-1.0,0.0,0.0};
459 for ( ; current != end; current++) {
460 FGPanelInstrument * instr = *current;
462 glTranslated(instr->getXPos(), instr->getYPos(), 0);
464 int ix= instr->getWidth();
465 int iy= instr->getHeight();
467 glTranslated(-ix/2,-iy/2,0);
468 glClipPlane(GL_CLIP_PLANE0,blx);
469 glClipPlane(GL_CLIP_PLANE1,bly);
470 glEnable(GL_CLIP_PLANE0);
471 glEnable(GL_CLIP_PLANE1);
473 glTranslated(ix,iy,0);
474 glClipPlane(GL_CLIP_PLANE2,urx);
475 glClipPlane(GL_CLIP_PLANE3,ury);
476 glEnable(GL_CLIP_PLANE2);
477 glEnable(GL_CLIP_PLANE3);
484 glDisable(GL_CLIP_PLANE0);
485 glDisable(GL_CLIP_PLANE1);
486 glDisable(GL_CLIP_PLANE2);
487 glDisable(GL_CLIP_PLANE3);
491 state.setActiveTextureUnit(0);
492 state.setClientActiveTextureUnit(0);
495 // Draw yellow "hotspots" if directed to. This is a panel authoring
496 // feature; not intended to be high performance or to look good.
497 if ( fgGetBool("/sim/panel-hotspots") ) {
498 static osg::ref_ptr<osg::StateSet> hotspotStateSet;
499 if (!hotspotStateSet.valid()) {
500 hotspotStateSet = new osg::StateSet;
501 hotspotStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::OFF);
502 hotspotStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
505 state.pushStateSet(hotspotStateSet.get());
507 state.setActiveTextureUnit(0);
508 state.setClientActiveTextureUnit(0);
511 glPushAttrib(GL_ENABLE_BIT);
512 glDisable(GL_COLOR_MATERIAL);
515 for ( unsigned int i = 0; i < _instruments.size(); i++ )
516 _instruments[i]->drawHotspots(state);
522 state.setActiveTextureUnit(0);
523 state.setClientActiveTextureUnit(0);
529 * Set the panel's visibility.
532 FGPanel::setVisibility (bool visibility)
534 _visibility->setBoolValue( visibility );
539 * Return true if the panel is visible.
542 FGPanel::getVisibility () const
544 return _visibility->getBoolValue();
549 * Set the panel's background texture.
552 FGPanel::setBackground (osg::Texture2D* texture)
554 osg::StateSet* stateSet = new osg::StateSet;
555 stateSet->setTextureAttribute(0, texture);
556 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
557 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
562 * Set the panel's multiple background textures.
565 FGPanel::setMultiBackground (osg::Texture2D* texture, int idx)
569 osg::StateSet* stateSet = new osg::StateSet;
570 stateSet->setTextureAttribute(0, texture);
571 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
572 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
573 _mbg[idx] = stateSet;
577 * Set the panel's x-offset.
580 FGPanel::setXOffset (int offset)
582 if (offset <= 0 && offset >= -_width + WIN_W)
583 _x_offset->setIntValue( offset );
588 * Set the panel's y-offset.
591 FGPanel::setYOffset (int offset)
593 if (offset <= 0 && offset >= -_height)
594 _y_offset->setIntValue( offset );
598 * Handle a mouse action in panel-local (not screen) coordinates.
599 * Used by the 3D panel code in Model/panelnode.cxx, in situations
600 * where the panel doesn't control its own screen location.
603 FGPanel::doLocalMouseAction(int button, int updown, int x, int y)
605 // Note a released button and return
607 if (_mouseInstrument != 0)
608 _mouseInstrument->doMouseAction(_mouseButton, 1, _mouseX, _mouseY);
610 _mouseInstrument = 0;
614 // Search for a matching instrument.
615 for (int i = 0; i < (int)_instruments.size(); i++) {
616 FGPanelInstrument *inst = _instruments[i];
617 int ix = inst->getXPos();
618 int iy = inst->getYPos();
619 int iw = inst->getWidth() / 2;
620 int ih = inst->getHeight() / 2;
621 if (x >= ix - iw && x < ix + iw && y >= iy - ih && y < iy + ih) {
624 _mouseInstrument = inst;
625 _mouseButton = button;
628 // Always do the action once.
629 return _mouseInstrument->doMouseAction(_mouseButton, 0,
637 * Perform a mouse action.
640 FGPanel::doMouseAction (int button, int updown, int x, int y)
642 // FIXME: this same code appears in update()
643 int xsize = _xsize_node->getIntValue();
644 int ysize = _ysize_node->getIntValue();
645 float aspect_adjust = get_aspect_adjust(xsize, ysize);
647 // Scale for the real window size.
648 if (aspect_adjust < 1.0) {
649 x = int(((float)x / xsize) * WIN_W * aspect_adjust);
650 y = int(WIN_H - ((float(y) / ysize) * WIN_H));
652 x = int(((float)x / xsize) * WIN_W);
653 y = int((WIN_H - ((float(y) / ysize) * WIN_H)) / aspect_adjust);
656 // Adjust for offsets.
657 x -= _x_offset->getIntValue();
658 y -= _y_offset->getIntValue();
660 // Having fixed up the coordinates, fall through to the local
661 // coordinate handler.
662 return doLocalMouseAction(button, updown, x, y);
665 void FGPanel::setDepthTest (bool enable) {
666 _enable_depth_test = enable;
671 ////////////////////////////////////////////////////////////////////////.
672 // Implementation of FGPanelAction.
673 ////////////////////////////////////////////////////////////////////////
675 FGPanelAction::FGPanelAction ()
679 FGPanelAction::FGPanelAction (int button, int x, int y, int w, int h,
681 : _button(button), _x(x), _y(y), _w(w), _h(h), _repeatable(repeatable)
685 FGPanelAction::~FGPanelAction ()
687 for (unsigned int i = 0; i < 2; i++) {
688 for (unsigned int j = 0; j < _bindings[i].size(); j++)
689 delete _bindings[i][j];
694 FGPanelAction::addBinding (SGBinding * binding, int updown)
696 _bindings[updown].push_back(binding);
700 FGPanelAction::doAction (int updown)
703 if ((updown != _last_state) || (updown == 0 && _repeatable)) {
704 int nBindings = _bindings[updown].size();
705 for (int i = 0; i < nBindings; i++)
706 _bindings[updown][i]->fire();
708 _last_state = updown;
717 ////////////////////////////////////////////////////////////////////////
718 // Implementation of FGPanelTransformation.
719 ////////////////////////////////////////////////////////////////////////
721 FGPanelTransformation::FGPanelTransformation ()
726 FGPanelTransformation::~FGPanelTransformation ()
733 ////////////////////////////////////////////////////////////////////////
734 // Implementation of FGPanelInstrument.
735 ////////////////////////////////////////////////////////////////////////
738 FGPanelInstrument::FGPanelInstrument ()
744 FGPanelInstrument::FGPanelInstrument (int x, int y, int w, int h)
750 FGPanelInstrument::~FGPanelInstrument ()
752 for (action_list_type::iterator it = _actions.begin();
753 it != _actions.end();
761 FGPanelInstrument::drawHotspots(osg::State& state)
763 for ( unsigned int i = 0; i < _actions.size(); i++ ) {
764 FGPanelAction* a = _actions[i];
765 float x1 = getXPos() + a->getX();
766 float x2 = x1 + a->getWidth();
767 float y1 = getYPos() + a->getY();
768 float y2 = y1 + a->getHeight();
770 glBegin(GL_LINE_LOOP);
780 FGPanelInstrument::setPosition (int x, int y)
787 FGPanelInstrument::setSize (int w, int h)
794 FGPanelInstrument::getXPos () const
800 FGPanelInstrument::getYPos () const
806 FGPanelInstrument::getWidth () const
812 FGPanelInstrument::getHeight () const
818 FGPanelInstrument::addAction (FGPanelAction * action)
820 _actions.push_back(action);
823 // Coordinates relative to centre.
825 FGPanelInstrument::doMouseAction (int button, int updown, int x, int y)
828 action_list_type::iterator it = _actions.begin();
829 action_list_type::iterator last = _actions.end();
830 for ( ; it != last; it++) {
831 if ((*it)->inArea(button, x, y) &&
832 (*it)->doAction(updown))
841 ////////////////////////////////////////////////////////////////////////
842 // Implementation of FGLayeredInstrument.
843 ////////////////////////////////////////////////////////////////////////
845 FGLayeredInstrument::FGLayeredInstrument (int x, int y, int w, int h)
846 : FGPanelInstrument(x, y, w, h)
850 FGLayeredInstrument::~FGLayeredInstrument ()
852 for (layer_list::iterator it = _layers.begin(); it != _layers.end(); it++) {
859 FGLayeredInstrument::draw (osg::State& state)
864 for (int i = 0; i < (int)_layers.size(); i++) {
866 _layers[i]->draw(state);
872 FGLayeredInstrument::addLayer (FGInstrumentLayer *layer)
874 int n = _layers.size();
875 if (layer->getWidth() == -1) {
876 layer->setWidth(getWidth());
878 if (layer->getHeight() == -1) {
879 layer->setHeight(getHeight());
881 _layers.push_back(layer);
886 FGLayeredInstrument::addLayer (const FGCroppedTexture &texture,
889 return addLayer(new FGTexturedLayer(texture, w, h));
893 FGLayeredInstrument::addTransformation (FGPanelTransformation * transformation)
895 int layer = _layers.size() - 1;
896 _layers[layer]->addTransformation(transformation);
901 ////////////////////////////////////////////////////////////////////////
902 // Implementation of FGSpecialInstrument.
903 ////////////////////////////////////////////////////////////////////////
905 FGSpecialInstrument::FGSpecialInstrument (DCLGPS* sb)
906 : FGPanelInstrument()
911 FGSpecialInstrument::~FGSpecialInstrument ()
916 FGSpecialInstrument::draw (osg::State& state)
918 complex->draw(state);
923 ////////////////////////////////////////////////////////////////////////
924 // Implementation of FGInstrumentLayer.
925 ////////////////////////////////////////////////////////////////////////
927 FGInstrumentLayer::FGInstrumentLayer (int w, int h)
933 FGInstrumentLayer::~FGInstrumentLayer ()
935 for (transformation_list::iterator it = _transformations.begin();
936 it != _transformations.end();
944 FGInstrumentLayer::transform () const
946 transformation_list::const_iterator it = _transformations.begin();
947 transformation_list::const_iterator last = _transformations.end();
949 FGPanelTransformation *t = *it;
951 float val = (t->node == 0 ? 0.0 : t->node->getFloatValue());
954 val = fmod(val, t->mod);
957 } else if (val > t->max) {
962 val = val * t->factor + t->offset;
964 val = t->table->interpolate(val) * t->factor + t->offset;
968 case FGPanelTransformation::XSHIFT:
969 glTranslatef(val, 0.0, 0.0);
971 case FGPanelTransformation::YSHIFT:
972 glTranslatef(0.0, val, 0.0);
974 case FGPanelTransformation::ROTATION:
975 glRotatef(-val, 0.0, 0.0, 1.0);
984 FGInstrumentLayer::addTransformation (FGPanelTransformation * transformation)
986 _transformations.push_back(transformation);
991 ////////////////////////////////////////////////////////////////////////
992 // Implementation of FGGroupLayer.
993 ////////////////////////////////////////////////////////////////////////
995 FGGroupLayer::FGGroupLayer ()
999 FGGroupLayer::~FGGroupLayer ()
1001 for (unsigned int i = 0; i < _layers.size(); i++)
1006 FGGroupLayer::draw (osg::State& state)
1010 int nLayers = _layers.size();
1011 for (int i = 0; i < nLayers; i++)
1012 _layers[i]->draw(state);
1017 FGGroupLayer::addLayer (FGInstrumentLayer * layer)
1019 _layers.push_back(layer);
1024 ////////////////////////////////////////////////////////////////////////
1025 // Implementation of FGTexturedLayer.
1026 ////////////////////////////////////////////////////////////////////////
1029 FGTexturedLayer::FGTexturedLayer (const FGCroppedTexture &texture, int w, int h)
1030 : FGInstrumentLayer(w, h),
1033 setTexture(texture);
1037 FGTexturedLayer::~FGTexturedLayer ()
1043 FGTexturedLayer::draw (osg::State& state)
1050 state.pushStateSet(_texture.getTexture());
1052 state.setActiveTextureUnit(0);
1053 state.setClientActiveTextureUnit(0);
1055 glBegin(GL_POLYGON);
1058 glColor4fv( emissive_panel_color );
1060 // From Curt: turn on the panel
1061 // lights after sundown.
1062 glColor4fv( panel_color );
1065 glTexCoord2f(_texture.getMinX(), _texture.getMinY()); glVertex2f(-w2, -h2);
1066 glTexCoord2f(_texture.getMaxX(), _texture.getMinY()); glVertex2f(w2, -h2);
1067 glTexCoord2f(_texture.getMaxX(), _texture.getMaxY()); glVertex2f(w2, h2);
1068 glTexCoord2f(_texture.getMinX(), _texture.getMaxY()); glVertex2f(-w2, h2);
1070 state.popStateSet();
1072 state.setActiveTextureUnit(0);
1073 state.setClientActiveTextureUnit(0);
1080 ////////////////////////////////////////////////////////////////////////
1081 // Implementation of FGTextLayer.
1082 ////////////////////////////////////////////////////////////////////////
1084 FGTextLayer::FGTextLayer (int w, int h)
1085 : FGInstrumentLayer(w, h), _pointSize(14.0), _font_name("Helvetica.txf")
1088 _color[0] = _color[1] = _color[2] = 0.0;
1092 FGTextLayer::~FGTextLayer ()
1094 chunk_list::iterator it = _chunks.begin();
1095 chunk_list::iterator last = _chunks.end();
1096 for ( ; it != last; it++) {
1102 FGTextLayer::draw (osg::State& state)
1108 FGFontCache *fc = globals->get_fontcache();
1109 text_renderer.setFont(fc->getTexFont(_font_name.c_str()));
1111 text_renderer.setPointSize(_pointSize);
1112 text_renderer.begin();
1113 text_renderer.start3f(0, 0, 0);
1116 double diff = (_now - _then).toUSecs();
1118 if (diff > 100000 || diff < 0 ) {
1119 // ( diff < 0 ) is a sanity check and indicates our time stamp
1120 // difference math probably overflowed. We can handle a max
1121 // difference of 35.8 minutes since the returned value is in
1122 // usec. So if the panel is left off longer than that we can
1123 // over flow the math with it is turned back on. This (diff <
1124 // 0) catches that situation, get's us out of trouble, and
1130 // Something is goofy. The code in this file renders only CCW
1131 // polygons, and I have verified that the font code in plib
1132 // renders only CCW trianbles. Yet they come out backwards.
1133 // Something around here or in plib is either changing the winding
1134 // order or (more likely) pushing a left-handed matrix onto the
1135 // stack. But I can't find it; get out the chainsaw...
1137 text_renderer.puts((char *)(_value.c_str()));
1138 glFrontFace(GL_CCW);
1140 text_renderer.end();
1141 glColor4f(1.0, 1.0, 1.0, 1.0); // FIXME
1146 FGTextLayer::addChunk (FGTextLayer::Chunk * chunk)
1148 _chunks.push_back(chunk);
1152 FGTextLayer::setColor (float r, float g, float b)
1161 FGTextLayer::setPointSize (float size)
1167 FGTextLayer::setFontName(const string &name)
1169 _font_name = name + ".txf";
1174 FGTextLayer::setFont(fntFont * font)
1176 text_renderer.setFont(font);
1181 FGTextLayer::recalc_value () const
1184 chunk_list::const_iterator it = _chunks.begin();
1185 chunk_list::const_iterator last = _chunks.end();
1186 for ( ; it != last; it++) {
1187 _value += (*it)->getValue();
1193 ////////////////////////////////////////////////////////////////////////
1194 // Implementation of FGTextLayer::Chunk.
1195 ////////////////////////////////////////////////////////////////////////
1197 FGTextLayer::Chunk::Chunk (const string &text, const string &fmt)
1198 : _type(FGTextLayer::TEXT), _fmt(fmt)
1205 FGTextLayer::Chunk::Chunk (ChunkType type, const SGPropertyNode * node,
1206 const string &fmt, float mult, float offs,
1208 : _type(type), _fmt(fmt), _mult(mult), _offs(offs), _trunc(truncation)
1211 if (type == TEXT_VALUE)
1220 FGTextLayer::Chunk::getValue () const
1226 sprintf(_buf, _fmt.c_str(), _text.c_str());
1229 sprintf(_buf, _fmt.c_str(), _node->getStringValue());
1232 double d = _offs + _node->getFloatValue() * _mult;
1233 if (_trunc) d = (d < 0) ? -floor(-d) : floor(d);
1234 sprintf(_buf, _fmt.c_str(), d);
1245 ////////////////////////////////////////////////////////////////////////
1246 // Implementation of FGSwitchLayer.
1247 ////////////////////////////////////////////////////////////////////////
1249 FGSwitchLayer::FGSwitchLayer ()
1255 FGSwitchLayer::draw (osg::State& state)
1259 int nLayers = _layers.size();
1260 for (int i = 0; i < nLayers; i++) {
1261 if (_layers[i]->test()) {
1262 _layers[i]->draw(state);