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.
76 const double MOUSE_ACTION_REPEAT_DELAY = 0.5; // 500msec initial delay
77 const double MOUSE_ACTION_REPEAT_INTERVAL = 0.1; // 10Hz repeat rate
81 ////////////////////////////////////////////////////////////////////////
83 ////////////////////////////////////////////////////////////////////////
87 * Calculate the aspect adjustment for the panel.
90 get_aspect_adjust (int xsize, int ysize)
92 float ideal_aspect = float(WIN_W) / float(WIN_H);
93 float real_aspect = float(xsize) / float(ysize);
94 return (real_aspect / ideal_aspect);
99 ////////////////////////////////////////////////////////////////////////
101 ////////////////////////////////////////////////////////////////////////
106 const FGPanel* current = globals->get_current_panel();
109 if (current->getVisibility() == 0)
111 if (globals->get_viewmgr()->get_current() != 0)
113 if (current->getAutohide() && globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS != 0)
119 ////////////////////////////////////////////////////////////////////////
120 // Implementation of FGTextureManager.
121 ////////////////////////////////////////////////////////////////////////
123 map<string,osg::ref_ptr<osg::Texture2D> > FGTextureManager::_textureMap;
126 FGTextureManager::createTexture (const string &relativePath, bool staticTexture)
128 osg::Texture2D* texture = _textureMap[relativePath].get();
130 SGPath tpath = globals->resolve_aircraft_path(relativePath);
131 texture = SGLoadTexture2D(staticTexture, tpath);
133 _textureMap[relativePath] = texture;
134 if (!_textureMap[relativePath].valid())
135 SG_LOG( SG_COCKPIT, SG_ALERT, "Texture *still* doesn't exist" );
136 SG_LOG( SG_COCKPIT, SG_DEBUG, "Created texture " << relativePath );
143 void FGTextureManager::addTexture(const string &relativePath,
144 osg::Texture2D* texture)
146 _textureMap[relativePath] = texture;
149 ////////////////////////////////////////////////////////////////////////
150 // Implementation of FGCropped Texture.
151 ////////////////////////////////////////////////////////////////////////
154 FGCroppedTexture::FGCroppedTexture ()
155 : _path(""), _texture(0),
156 _minX(0.0), _minY(0.0), _maxX(1.0), _maxY(1.0)
161 FGCroppedTexture::FGCroppedTexture (const string &path,
162 float minX, float minY,
163 float maxX, float maxY)
164 : _path(path), _texture(0),
165 _minX(minX), _minY(minY), _maxX(maxX), _maxY(maxY)
170 FGCroppedTexture::~FGCroppedTexture ()
176 FGCroppedTexture::getTexture ()
179 _texture = new osg::StateSet;
180 _texture->setTextureAttribute(0, FGTextureManager::createTexture(_path));
181 _texture->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
182 _texture->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
184 return _texture.get();
189 ////////////////////////////////////////////////////////////////////////
190 // Implementation of FGPanel.
191 ////////////////////////////////////////////////////////////////////////
193 static fntRenderer text_renderer;
194 static sgVec4 panel_color;
195 static sgVec4 emissive_panel_color = {1,1,1,1};
203 _width(WIN_W), _height(int(WIN_H * 0.5768 + 1)),
204 // _view_height(int(WIN_H * 0.4232)),
205 _visibility(fgGetNode("/sim/panel/visibility", true)),
206 _x_offset(fgGetNode("/sim/panel/x-offset", true)),
207 _y_offset(fgGetNode("/sim/panel/y-offset", true)),
208 _jitter(fgGetNode("/sim/panel/jitter", true)),
209 _flipx(fgGetNode("/sim/panel/flip-x", true)),
210 _xsize_node(fgGetNode("/sim/startup/xsize", true)),
211 _ysize_node(fgGetNode("/sim/startup/ysize", true)),
212 _enable_depth_test(false),
213 _drawPanelHotspots("/sim/panel-hotspots")
223 for (instrument_list_type::iterator it = _instruments.begin();
224 it != _instruments.end();
233 * Add an instrument to the panel.
236 FGPanel::addInstrument (FGPanelInstrument * instrument)
238 _instruments.push_back(instrument);
243 * Initialize the panel.
252 * Bind panel properties.
257 fgSetArchivable("/sim/panel/visibility");
258 fgSetArchivable("/sim/panel/x-offset");
259 fgSetArchivable("/sim/panel/y-offset");
260 fgSetArchivable("/sim/panel/jitter");
265 * Unbind panel properties.
274 FGPanel::update (double dt)
276 updateMouseDelay(dt);
280 FGPanel::getAspectScale() const
282 // set corner-coordinates correctly
284 int xsize = _xsize_node->getIntValue();
285 int ysize = _ysize_node->getIntValue();
286 float aspect_adjust = get_aspect_adjust(xsize, ysize);
288 if (aspect_adjust < 1.0)
289 return ysize / (double) WIN_H;
291 return xsize /(double) WIN_W;
295 * Handle repeatable mouse events. Called from update() and from
296 * fgUpdate3DPanels(). This functionality needs to move into the
297 * input subsystem. Counting a tick every two frames is clumsy...
299 void FGPanel::updateMouseDelay(double dt)
305 _mouseActionRepeat -= dt;
306 while (_mouseActionRepeat < 0.0) {
307 _mouseActionRepeat += MOUSE_ACTION_REPEAT_INTERVAL;
308 _mouseInstrument->doMouseAction(_mouseButton, 0, _mouseX, _mouseY);
314 FGPanel::draw(osg::State& state)
317 // In 3D mode, it's possible that we are being drawn exactly on top
318 // of an existing polygon. Use an offset to prevent z-fighting. In
319 // 2D mode, this is a no-op.
320 static osg::ref_ptr<osg::StateSet> panelStateSet;
321 if (!panelStateSet.valid()) {
322 panelStateSet = new osg::StateSet;
323 panelStateSet->setAttributeAndModes(new osg::PolygonOffset(-1, -POFF_UNITS));
324 panelStateSet->setTextureAttribute(0, new osg::TexEnv);
326 // Draw the background
327 panelStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
328 panelStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
329 panelStateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
330 panelStateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
332 osg::Material* material = new osg::Material;
333 material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
334 material->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
335 material->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4(1, 1, 1, 1));
336 material->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
337 material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0, 0, 0, 1));
338 panelStateSet->setAttribute(material);
340 panelStateSet->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
341 panelStateSet->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
342 panelStateSet->setAttributeAndModes(new osg::Depth(osg::Depth::LEQUAL));
344 if ( _enable_depth_test )
345 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
347 panelStateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
348 state.pushStateSet(panelStateSet.get());
350 state.setActiveTextureUnit(0);
351 state.setClientActiveTextureUnit(0);
353 FGLight *l = (FGLight *)(globals->get_subsystem("lighting"));
354 sgCopyVec4( panel_color, l->scene_diffuse().data());
355 if ( fgGetDouble("/systems/electrical/outputs/instrument-lights") > 1.0 ) {
356 if ( panel_color[0] < 0.7 ) panel_color[0] = 0.7;
357 if ( panel_color[1] < 0.2 ) panel_color[1] = 0.2;
358 if ( panel_color[2] < 0.2 ) panel_color[2] = 0.2;
360 glColor4fv( panel_color );
362 state.pushStateSet(_bg.get());
364 state.setActiveTextureUnit(0);
365 state.setClientActiveTextureUnit(0);
368 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X, WIN_Y);
369 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + _width, WIN_Y);
370 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + _width, WIN_Y + _height);
371 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X, WIN_Y + _height);
375 state.setActiveTextureUnit(0);
376 state.setClientActiveTextureUnit(0);
379 for (int i = 0; i < 4; i ++) {
380 // top row of textures...(1,3,5,7)
381 state.pushStateSet(_mbg[i*2].get());
383 state.setActiveTextureUnit(0);
384 state.setClientActiveTextureUnit(0);
387 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
388 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
389 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + _height);
390 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + _height);
394 state.setActiveTextureUnit(0);
395 state.setClientActiveTextureUnit(0);
397 // bottom row of textures...(2,4,6,8)
398 state.pushStateSet(_mbg[i*2+1].get());
400 state.setActiveTextureUnit(0);
401 state.setClientActiveTextureUnit(0);
404 glTexCoord2f(0.0, 0.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y);
405 glTexCoord2f(1.0, 0.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y);
406 glTexCoord2f(1.0, 1.0); glVertex2f(WIN_X + (_width/4) * (i+1), WIN_Y + (_height/2));
407 glTexCoord2f(0.0, 1.0); glVertex2f(WIN_X + (_width/4) * i, WIN_Y + (_height/2));
411 state.setActiveTextureUnit(0);
412 state.setClientActiveTextureUnit(0);
417 // Draw the instruments.
418 // Syd Adams: added instrument clipping
419 instrument_list_type::const_iterator current = _instruments.begin();
420 instrument_list_type::const_iterator end = _instruments.end();
422 GLdouble blx[4]={1.0,0.0,0.0,0.0};
423 GLdouble bly[4]={0.0,1.0,0.0,0.0};
424 GLdouble urx[4]={-1.0,0.0,0.0,0.0};
425 GLdouble ury[4]={0.0,-1.0,0.0,0.0};
427 for ( ; current != end; current++) {
428 FGPanelInstrument * instr = *current;
430 glTranslated(instr->getXPos(), instr->getYPos(), 0);
432 int ix= instr->getWidth();
433 int iy= instr->getHeight();
435 glTranslated(-ix/2,-iy/2,0);
436 glClipPlane(GL_CLIP_PLANE0,blx);
437 glClipPlane(GL_CLIP_PLANE1,bly);
438 glEnable(GL_CLIP_PLANE0);
439 glEnable(GL_CLIP_PLANE1);
441 glTranslated(ix,iy,0);
442 glClipPlane(GL_CLIP_PLANE2,urx);
443 glClipPlane(GL_CLIP_PLANE3,ury);
444 glEnable(GL_CLIP_PLANE2);
445 glEnable(GL_CLIP_PLANE3);
452 glDisable(GL_CLIP_PLANE0);
453 glDisable(GL_CLIP_PLANE1);
454 glDisable(GL_CLIP_PLANE2);
455 glDisable(GL_CLIP_PLANE3);
459 state.setActiveTextureUnit(0);
460 state.setClientActiveTextureUnit(0);
463 // Draw yellow "hotspots" if directed to. This is a panel authoring
464 // feature; not intended to be high performance or to look good.
465 if ( _drawPanelHotspots ) {
466 static osg::ref_ptr<osg::StateSet> hotspotStateSet;
467 if (!hotspotStateSet.valid()) {
468 hotspotStateSet = new osg::StateSet;
469 hotspotStateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::OFF);
470 hotspotStateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
473 state.pushStateSet(hotspotStateSet.get());
475 state.setActiveTextureUnit(0);
476 state.setClientActiveTextureUnit(0);
479 glPushAttrib(GL_ENABLE_BIT);
480 glDisable(GL_COLOR_MATERIAL);
483 for ( unsigned int i = 0; i < _instruments.size(); i++ )
484 _instruments[i]->drawHotspots(state);
489 getLogicalExtent(x0, y0, x1, y1);
491 glBegin(GL_LINE_LOOP);
503 state.setActiveTextureUnit(0);
504 state.setClientActiveTextureUnit(0);
510 * Set the panel's visibility.
513 FGPanel::setVisibility (bool visibility)
515 _visibility->setBoolValue( visibility );
520 * Return true if the panel is visible.
523 FGPanel::getVisibility () const
525 return _visibility->getBoolValue();
530 * Set the panel's background texture.
533 FGPanel::setBackground (osg::Texture2D* texture)
535 osg::StateSet* stateSet = new osg::StateSet;
536 stateSet->setTextureAttribute(0, texture);
537 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
538 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
543 * Set the panel's multiple background textures.
546 FGPanel::setMultiBackground (osg::Texture2D* texture, int idx)
550 osg::StateSet* stateSet = new osg::StateSet;
551 stateSet->setTextureAttribute(0, texture);
552 stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
553 stateSet->setTextureAttribute(0, new osg::TexEnv(osg::TexEnv::MODULATE));
554 _mbg[idx] = stateSet;
558 * Set the panel's x-offset.
561 FGPanel::setXOffset (int offset)
563 if (offset <= 0 && offset >= -_width + WIN_W)
564 _x_offset->setIntValue( offset );
569 * Set the panel's y-offset.
572 FGPanel::setYOffset (int offset)
574 if (offset <= 0 && offset >= -_height)
575 _y_offset->setIntValue( offset );
579 * Handle a mouse action in panel-local (not screen) coordinates.
580 * Used by the 3D panel code in Model/panelnode.cxx, in situations
581 * where the panel doesn't control its own screen location.
584 FGPanel::doLocalMouseAction(int button, int updown, int x, int y)
586 // Note a released button and return
588 if (_mouseInstrument != 0)
589 _mouseInstrument->doMouseAction(_mouseButton, 1, _mouseX, _mouseY);
591 _mouseInstrument = 0;
595 // Search for a matching instrument.
596 for (int i = 0; i < (int)_instruments.size(); i++) {
597 FGPanelInstrument *inst = _instruments[i];
598 int ix = inst->getXPos();
599 int iy = inst->getYPos();
600 int iw = inst->getWidth() / 2;
601 int ih = inst->getHeight() / 2;
602 if (x >= ix - iw && x < ix + iw && y >= iy - ih && y < iy + ih) {
604 _mouseActionRepeat = MOUSE_ACTION_REPEAT_DELAY;
605 _mouseInstrument = inst;
606 _mouseButton = button;
609 // Always do the action once.
610 return _mouseInstrument->doMouseAction(_mouseButton, 0,
618 * Perform a mouse action.
621 FGPanel::doMouseAction (int button, int updown, int x, int y)
623 // FIXME: this same code appears in update()
624 int xsize = _xsize_node->getIntValue();
625 int ysize = _ysize_node->getIntValue();
626 float aspect_adjust = get_aspect_adjust(xsize, ysize);
628 // Scale for the real window size.
629 if (aspect_adjust < 1.0) {
630 x = int(((float)x / xsize) * WIN_W * aspect_adjust);
631 y = int(WIN_H - ((float(y) / ysize) * WIN_H));
633 x = int(((float)x / xsize) * WIN_W);
634 y = int((WIN_H - ((float(y) / ysize) * WIN_H)) / aspect_adjust);
637 // Adjust for offsets.
638 x -= _x_offset->getIntValue();
639 y -= _y_offset->getIntValue();
641 // Having fixed up the coordinates, fall through to the local
642 // coordinate handler.
643 return doLocalMouseAction(button, updown, x, y);
646 void FGPanel::setDepthTest (bool enable) {
647 _enable_depth_test = enable;
655 x0(std::numeric_limits<int>::max()),
656 y0(std::numeric_limits<int>::max()),
657 x1(std::numeric_limits<int>::min()),
658 y1(std::numeric_limits<int>::min())
661 IntRect(int x, int y, int w, int h) :
662 x0(x), y0(y), x1(x + w), y1( y + h)
676 void extend(const IntRect& r)
678 x0 = std::min(x0, r.x0);
679 y0 = std::min(y0, r.y0);
680 x1 = std::max(x1, r.x1);
681 y1 = std::max(y1, r.y1);
687 void FGPanel::getLogicalExtent(int &x0, int& y0, int& x1, int &y1)
690 BOOST_FOREACH(FGPanelInstrument *inst, _instruments) {
691 inst->extendRect(result);
700 ////////////////////////////////////////////////////////////////////////.
701 // Implementation of FGPanelAction.
702 ////////////////////////////////////////////////////////////////////////
704 FGPanelAction::FGPanelAction ()
708 FGPanelAction::FGPanelAction (int button, int x, int y, int w, int h,
710 : _button(button), _x(x), _y(y), _w(w), _h(h), _repeatable(repeatable)
714 FGPanelAction::~FGPanelAction ()
716 for (unsigned int i = 0; i < 2; i++) {
717 for (unsigned int j = 0; j < _bindings[i].size(); j++)
718 delete _bindings[i][j];
723 FGPanelAction::addBinding (SGBinding * binding, int updown)
725 _bindings[updown].push_back(binding);
729 FGPanelAction::doAction (int updown)
732 if ((updown != _last_state) || (updown == 0 && _repeatable)) {
733 int nBindings = _bindings[updown].size();
734 for (int i = 0; i < nBindings; i++)
735 _bindings[updown][i]->fire();
737 _last_state = updown;
746 ////////////////////////////////////////////////////////////////////////
747 // Implementation of FGPanelTransformation.
748 ////////////////////////////////////////////////////////////////////////
750 FGPanelTransformation::FGPanelTransformation ()
755 FGPanelTransformation::~FGPanelTransformation ()
762 ////////////////////////////////////////////////////////////////////////
763 // Implementation of FGPanelInstrument.
764 ////////////////////////////////////////////////////////////////////////
767 FGPanelInstrument::FGPanelInstrument ()
773 FGPanelInstrument::FGPanelInstrument (int x, int y, int w, int h)
779 FGPanelInstrument::~FGPanelInstrument ()
781 for (action_list_type::iterator it = _actions.begin();
782 it != _actions.end();
790 FGPanelInstrument::drawHotspots(osg::State& state)
792 for ( unsigned int i = 0; i < _actions.size(); i++ ) {
793 FGPanelAction* a = _actions[i];
794 float x1 = getXPos() + a->getX();
795 float x2 = x1 + a->getWidth();
796 float y1 = getYPos() + a->getY();
797 float y2 = y1 + a->getHeight();
799 glBegin(GL_LINE_LOOP);
809 FGPanelInstrument::setPosition (int x, int y)
816 FGPanelInstrument::setSize (int w, int h)
823 FGPanelInstrument::getXPos () const
829 FGPanelInstrument::getYPos () const
835 FGPanelInstrument::getWidth () const
841 FGPanelInstrument::getHeight () const
847 FGPanelInstrument::extendRect(IntRect& r) const
849 IntRect instRect(_x, _y, _w, _h);
852 BOOST_FOREACH(FGPanelAction* act, _actions) {
853 r.extend(IntRect(getXPos() + act->getX(),
854 getYPos() + act->getY(),
862 FGPanelInstrument::addAction (FGPanelAction * action)
864 _actions.push_back(action);
867 // Coordinates relative to centre.
869 FGPanelInstrument::doMouseAction (int button, int updown, int x, int y)
872 action_list_type::iterator it = _actions.begin();
873 action_list_type::iterator last = _actions.end();
874 for ( ; it != last; it++) {
875 if ((*it)->inArea(button, x, y) &&
876 (*it)->doAction(updown))
885 ////////////////////////////////////////////////////////////////////////
886 // Implementation of FGLayeredInstrument.
887 ////////////////////////////////////////////////////////////////////////
889 FGLayeredInstrument::FGLayeredInstrument (int x, int y, int w, int h)
890 : FGPanelInstrument(x, y, w, h)
894 FGLayeredInstrument::~FGLayeredInstrument ()
896 for (layer_list::iterator it = _layers.begin(); it != _layers.end(); it++) {
903 FGLayeredInstrument::draw (osg::State& state)
908 for (int i = 0; i < (int)_layers.size(); i++) {
910 _layers[i]->draw(state);
916 FGLayeredInstrument::addLayer (FGInstrumentLayer *layer)
918 int n = _layers.size();
919 if (layer->getWidth() == -1) {
920 layer->setWidth(getWidth());
922 if (layer->getHeight() == -1) {
923 layer->setHeight(getHeight());
925 _layers.push_back(layer);
930 FGLayeredInstrument::addLayer (const FGCroppedTexture &texture,
933 return addLayer(new FGTexturedLayer(texture, w, h));
937 FGLayeredInstrument::addTransformation (FGPanelTransformation * transformation)
939 int layer = _layers.size() - 1;
940 _layers[layer]->addTransformation(transformation);
945 ////////////////////////////////////////////////////////////////////////
946 // Implementation of FGSpecialInstrument.
947 ////////////////////////////////////////////////////////////////////////
949 FGSpecialInstrument::FGSpecialInstrument (DCLGPS* sb)
950 : FGPanelInstrument()
955 FGSpecialInstrument::~FGSpecialInstrument ()
960 FGSpecialInstrument::draw (osg::State& state)
962 complex->draw(state);
967 ////////////////////////////////////////////////////////////////////////
968 // Implementation of FGInstrumentLayer.
969 ////////////////////////////////////////////////////////////////////////
971 FGInstrumentLayer::FGInstrumentLayer (int w, int h)
977 FGInstrumentLayer::~FGInstrumentLayer ()
979 for (transformation_list::iterator it = _transformations.begin();
980 it != _transformations.end();
988 FGInstrumentLayer::transform () const
990 transformation_list::const_iterator it = _transformations.begin();
991 transformation_list::const_iterator last = _transformations.end();
993 FGPanelTransformation *t = *it;
995 float val = (t->node == 0 ? 0.0 : t->node->getFloatValue());
998 val = fmod(val, t->mod);
1001 } else if (val > t->max) {
1006 val = val * t->factor + t->offset;
1008 val = t->table->interpolate(val) * t->factor + t->offset;
1012 case FGPanelTransformation::XSHIFT:
1013 glTranslatef(val, 0.0, 0.0);
1015 case FGPanelTransformation::YSHIFT:
1016 glTranslatef(0.0, val, 0.0);
1018 case FGPanelTransformation::ROTATION:
1019 glRotatef(-val, 0.0, 0.0, 1.0);
1028 FGInstrumentLayer::addTransformation (FGPanelTransformation * transformation)
1030 _transformations.push_back(transformation);
1035 ////////////////////////////////////////////////////////////////////////
1036 // Implementation of FGGroupLayer.
1037 ////////////////////////////////////////////////////////////////////////
1039 FGGroupLayer::FGGroupLayer ()
1043 FGGroupLayer::~FGGroupLayer ()
1045 for (unsigned int i = 0; i < _layers.size(); i++)
1050 FGGroupLayer::draw (osg::State& state)
1054 int nLayers = _layers.size();
1055 for (int i = 0; i < nLayers; i++)
1056 _layers[i]->draw(state);
1061 FGGroupLayer::addLayer (FGInstrumentLayer * layer)
1063 _layers.push_back(layer);
1068 ////////////////////////////////////////////////////////////////////////
1069 // Implementation of FGTexturedLayer.
1070 ////////////////////////////////////////////////////////////////////////
1073 FGTexturedLayer::FGTexturedLayer (const FGCroppedTexture &texture, int w, int h)
1074 : FGInstrumentLayer(w, h),
1077 setTexture(texture);
1081 FGTexturedLayer::~FGTexturedLayer ()
1087 FGTexturedLayer::draw (osg::State& state)
1094 state.pushStateSet(_texture.getTexture());
1096 state.setActiveTextureUnit(0);
1097 state.setClientActiveTextureUnit(0);
1099 glBegin(GL_POLYGON);
1102 glColor4fv( emissive_panel_color );
1104 // From Curt: turn on the panel
1105 // lights after sundown.
1106 glColor4fv( panel_color );
1109 glTexCoord2f(_texture.getMinX(), _texture.getMinY()); glVertex2f(-w2, -h2);
1110 glTexCoord2f(_texture.getMaxX(), _texture.getMinY()); glVertex2f(w2, -h2);
1111 glTexCoord2f(_texture.getMaxX(), _texture.getMaxY()); glVertex2f(w2, h2);
1112 glTexCoord2f(_texture.getMinX(), _texture.getMaxY()); glVertex2f(-w2, h2);
1114 state.popStateSet();
1116 state.setActiveTextureUnit(0);
1117 state.setClientActiveTextureUnit(0);
1124 ////////////////////////////////////////////////////////////////////////
1125 // Implementation of FGTextLayer.
1126 ////////////////////////////////////////////////////////////////////////
1128 FGTextLayer::FGTextLayer (int w, int h)
1129 : FGInstrumentLayer(w, h), _pointSize(14.0), _font_name("Helvetica.txf")
1132 _color[0] = _color[1] = _color[2] = 0.0;
1136 FGTextLayer::~FGTextLayer ()
1138 chunk_list::iterator it = _chunks.begin();
1139 chunk_list::iterator last = _chunks.end();
1140 for ( ; it != last; it++) {
1146 FGTextLayer::draw (osg::State& state)
1152 FGFontCache *fc = globals->get_fontcache();
1153 fntFont* font = fc->getTexFont(_font_name.c_str());
1155 return; // don't crash on missing fonts
1158 text_renderer.setFont(font);
1160 text_renderer.setPointSize(_pointSize);
1161 text_renderer.begin();
1162 text_renderer.start3f(0, 0, 0);
1165 double diff = (_now - _then).toUSecs();
1167 if (diff > 100000 || diff < 0 ) {
1168 // ( diff < 0 ) is a sanity check and indicates our time stamp
1169 // difference math probably overflowed. We can handle a max
1170 // difference of 35.8 minutes since the returned value is in
1171 // usec. So if the panel is left off longer than that we can
1172 // over flow the math with it is turned back on. This (diff <
1173 // 0) catches that situation, get's us out of trouble, and
1179 // Something is goofy. The code in this file renders only CCW
1180 // polygons, and I have verified that the font code in plib
1181 // renders only CCW trianbles. Yet they come out backwards.
1182 // Something around here or in plib is either changing the winding
1183 // order or (more likely) pushing a left-handed matrix onto the
1184 // stack. But I can't find it; get out the chainsaw...
1186 text_renderer.puts((char *)(_value.c_str()));
1187 glFrontFace(GL_CCW);
1189 text_renderer.end();
1190 glColor4f(1.0, 1.0, 1.0, 1.0); // FIXME
1195 FGTextLayer::addChunk (FGTextLayer::Chunk * chunk)
1197 _chunks.push_back(chunk);
1201 FGTextLayer::setColor (float r, float g, float b)
1210 FGTextLayer::setPointSize (float size)
1216 FGTextLayer::setFontName(const string &name)
1218 _font_name = name + ".txf";
1219 FGFontCache *fc = globals->get_fontcache();
1220 fntFont* font = fc->getTexFont(_font_name.c_str());
1222 SG_LOG(SG_COCKPIT, SG_WARN, "unable to find font:" << name);
1228 FGTextLayer::setFont(fntFont * font)
1230 text_renderer.setFont(font);
1235 FGTextLayer::recalc_value () const
1238 chunk_list::const_iterator it = _chunks.begin();
1239 chunk_list::const_iterator last = _chunks.end();
1240 for ( ; it != last; it++) {
1241 _value += (*it)->getValue();
1247 ////////////////////////////////////////////////////////////////////////
1248 // Implementation of FGTextLayer::Chunk.
1249 ////////////////////////////////////////////////////////////////////////
1251 FGTextLayer::Chunk::Chunk (const string &text, const string &fmt)
1252 : _type(FGTextLayer::TEXT), _fmt(fmt)
1259 FGTextLayer::Chunk::Chunk (ChunkType type, const SGPropertyNode * node,
1260 const string &fmt, float mult, float offs,
1262 : _type(type), _fmt(fmt), _mult(mult), _offs(offs), _trunc(truncation)
1265 if (type == TEXT_VALUE)
1274 FGTextLayer::Chunk::getValue () const
1280 sprintf(_buf, _fmt.c_str(), _text.c_str());
1283 sprintf(_buf, _fmt.c_str(), _node->getStringValue());
1286 double d = _offs + _node->getFloatValue() * _mult;
1287 if (_trunc) d = (d < 0) ? -floor(-d) : floor(d);
1288 sprintf(_buf, _fmt.c_str(), d);
1299 ////////////////////////////////////////////////////////////////////////
1300 // Implementation of FGSwitchLayer.
1301 ////////////////////////////////////////////////////////////////////////
1303 FGSwitchLayer::FGSwitchLayer ()
1309 FGSwitchLayer::draw (osg::State& state)
1313 int nLayers = _layers.size();
1314 for (int i = 0; i < nLayers; i++) {
1315 if (_layers[i]->test()) {
1316 _layers[i]->draw(state);