-void FGPanel::Update ( void ) {
-
- float alpha;
- double pitch;
- double roll;
- float alpharad;
- double speed;
- int i;
-
- // static bool beech_drawn = false;
- // char *test = "ALM 100";
-
- var[0] = get_speed() /* * 1.4 */; // We have to multiply the airspeed by a
- // factor, to simulate flying a Bonanza
- var[1] = get_altitude();
- var[2] = get_climb_rate() / 1000.0;
- var[3] = get_throttleval();
-
- xglMatrixMode(GL_PROJECTION);
- xglPushMatrix();
- xglLoadIdentity();
- xglOrtho(0, 640, 0, 480, 10, -10);
- xglMatrixMode(GL_MODELVIEW);
- xglPushMatrix();
- xglLoadIdentity();
- xglDisable(GL_DEPTH_TEST);
- xglEnable(GL_LIGHTING);
- xglEnable(GL_TEXTURE_2D);
- xglDisable(GL_BLEND);
-
- xglMatrixMode(GL_MODELVIEW);
- xglPopMatrix();
- xglPushMatrix();
-
- xglDisable(GL_LIGHTING);
- test_instr[3]->Render();
- test_instr[4]->Render();
- test_instr[5]->Render();
- test_instr[6]->Render();
- xglPopMatrix();
- xglPushMatrix();
-
- test_instr[1]->Render();
- test_instr[2]->Render();
-
- // DrawBeechcraftLogo(230, 235, 30, 10);
- // DrawScale(144.375, 166.875, 38, 41.0, 18, 340, 44, 2.0, 1.0, 1.0, 1.0);
-
- xglEnable(GL_LIGHTING);
-
- test_instr[0]->Render();
-
-
- xglDisable(GL_TEXTURE_2D);
- xglPopMatrix();
- xglEnable(GL_DEPTH_TEST);
- xglEnable(GL_LIGHTING);
- xglDisable(GL_TEXTURE_2D);
- xglDisable(GL_BLEND);
- xglMatrixMode(GL_PROJECTION);
- xglPopMatrix();
- xglMatrixMode(GL_MODELVIEW);
- xglPopMatrix();
-}
-
-// horizon - Let's draw an artificial horizon using both texture mapping and
-// primitive drawing
-
-void FGHorizon::Render(void){
- double pitch;
- double roll;
- float shifted, alpha, theta;
- float epsi = 360 / 180;
- GLboolean Light;
- GLfloat normal[2];
-
- static int n, dn, rot, tmp1, tmp2;
- float a;
-
- GLfloat material[] = { 0.714844, 0.265625, 0.056875 ,1.0};
- GLfloat material2[] = {0.6640625, 0.921875, 0.984375, 1.0};
- GLfloat material3[] = {0.2, 0.2, 0.2, 1.0};
- GLfloat material4[] = {0.8, 0.8, 0.8, 1.0};
- GLfloat material5[] = {0.0, 0.0, 0.0, 1.0};
- GLfloat direction[] = {0.0, 0.0, 0.0};
- GLfloat light_position[4];
- GLfloat light_ambient[] = {0.7, 0.7, 0.7, 1.0};
- GLfloat light_ambient2[] = {0.7, 0.7, 0.7, 1.0};
- GLfloat light_diffuse[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat light_specular[] = {1.0, 1.0, 1.0, 1.0};
-
- pitch = get_pitch() * RAD_TO_DEG;
- if(pitch > 45)
- pitch = 45;
-
- if(pitch < -45)
- pitch = -45;
-
- roll = get_roll() * RAD_TO_DEG;
-
- xglEnable(GL_NORMALIZE);
- xglEnable(GL_LIGHTING);
- xglEnable(GL_TEXTURE_2D);
- xglEnable(GL_LIGHT1);
- xglDisable(GL_LIGHT2);
- xglDisable(GL_LIGHT0);
- xglMatrixMode(GL_MODELVIEW);
- xglLoadIdentity();
- xglTranslatef(XPos, YPos, 0);
- xglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- xglMatrixMode(GL_TEXTURE);
- xglPushMatrix();
-
- // computations for the non-textured parts of the AH
-
- shifted = -((pitch / 10) * 7.0588235);
-
- if(shifted > (bottom - radius)){
- theta = (180 - (acos((bottom - shifted) / radius)*RAD_TO_DEG));
- n = (int)(theta / epsi) - 1;
- n1 = n;
- n2 = (180 - n1) + 2;
- dn = n2 - n1;
- rot = (int)(roll / epsi);
- n1 += rot + 45;
- n2 += rot + 45;
- }
-
- if(shifted < (-top + radius)){
- theta = ((acos((-top - shifted) / radius)*RAD_TO_DEG));
- n = (int)(theta / epsi) + 1;
- n1 = n;
- n2 = (180 - n1) + 2;
- dn = n2 - n1;
- rot = (int)(roll / epsi);
- n1 += rot - 45;
- n2 += rot - 45;
- if(n1 < 0){ n1 += 180; n2 +=180;}
- }
-
- // end of computations
-
- light_position[0] = 0.0;
- light_position[1] = 0.0;
- light_position[2] = 1.5;
- light_position[3] = 0.0;
- xglLightfv(GL_LIGHT1, GL_POSITION, light_position);
- xglLightfv(GL_LIGHT1, GL_AMBIENT, light_ambient);
- xglLightfv(GL_LIGHT1, GL_DIFFUSE, light_diffuse);
- xglLightfv(GL_LIGHT1, GL_SPECULAR, light_specular);
- xglLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, direction);
-
-#ifdef GL_VERSION_1_1
- xglBindTexture(GL_TEXTURE_2D, panel_tex_id[1]);
-#elif GL_EXT_texture_object
- xglBindTextureEXT(GL_TEXTURE_2D, panel_tex_id[1]);
-#else
-# error port me
-#endif
-
- xglLoadIdentity();
- xglTranslatef(0.0, ((pitch / 10) * 0.046875), 0.0);
- xglTranslatef((texXPos/256), (texYPos/256), 0.0);
- xglRotatef(-roll, 0.0, 0.0, 1.0);
- xglScalef(1.7, 1.7, 0.0);
-
- // the following loop draws the textured part of the AH
-
- xglMaterialf(GL_FRONT, GL_SHININESS, 85.0);
-
- xglMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, material4);
- xglMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, material5);
- xglMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, material3);
-
- xglMatrixMode(GL_MODELVIEW);
- xglBegin(GL_TRIANGLES);
- for(i=45;i<225;i++){
- xglTexCoord2f(0.0, 0.0);
- xglNormal3f(0.0, 0.0, 0.6);
- xglVertex3f(0.0, 0.0, 0.0);
- xglTexCoord2f(texCoord[i % 180][0], texCoord[i % 180][1]);
- xglNormal3f(normals[i % 180][0], normals[i % 180][1], 0.6);
- xglVertex3f(vertices[i % 180][0], vertices[i % 180][1], 0.0);
- n = (i + 1) % 180;
- xglTexCoord2f(texCoord[n][0], texCoord[n][1]);
- xglNormal3f(normals[n][0], normals[n][1], 0.6);
- xglVertex3f(vertices[n][0], vertices[n][1], 0.0);
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGTextureManager.
+////////////////////////////////////////////////////////////////////////
+
+map<string,ssgTexture *> FGTextureManager::_textureMap;
+
+ssgTexture *
+FGTextureManager::createTexture (const string &relativePath)
+{
+ ssgTexture * texture = _textureMap[relativePath];
+ if (texture == 0) {
+ SG_LOG( SG_COCKPIT, SG_DEBUG,
+ "Texture " << relativePath << " does not yet exist" );
+ SGPath tpath(globals->get_fg_root());
+ tpath.append(relativePath);
+ texture = new ssgTexture((char *)tpath.c_str(), false, false);
+ _textureMap[relativePath] = texture;
+ if (_textureMap[relativePath] == 0)
+ SG_LOG( SG_COCKPIT, SG_ALERT, "Texture *still* doesn't exist" );
+ SG_LOG( SG_COCKPIT, SG_DEBUG, "Created texture " << relativePath
+ << " handle=" << texture->getHandle() );
+ }
+
+ return texture;
+}
+
+
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGCropped Texture.
+////////////////////////////////////////////////////////////////////////
+
+
+FGCroppedTexture::FGCroppedTexture ()
+ : _path(""), _texture(0),
+ _minX(0.0), _minY(0.0), _maxX(1.0), _maxY(1.0)
+{
+}
+
+
+FGCroppedTexture::FGCroppedTexture (const string &path,
+ float minX, float minY,
+ float maxX, float maxY)
+ : _path(path), _texture(0),
+ _minX(minX), _minY(minY), _maxX(maxX), _maxY(maxY)
+{
+}
+
+
+FGCroppedTexture::~FGCroppedTexture ()
+{
+}
+
+
+ssgTexture *
+FGCroppedTexture::getTexture ()
+{
+ if (_texture == 0) {
+ _texture = FGTextureManager::createTexture(_path);
+ }
+ return _texture;
+}
+
+
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of FGPanel.
+////////////////////////////////////////////////////////////////////////
+
+static fntRenderer text_renderer;
+static fntTexFont *default_font = 0;
+static fntTexFont *led_font = 0;
+
+/**
+ * Constructor.
+ */
+FGPanel::FGPanel ()
+ : _mouseDown(false),
+ _mouseInstrument(0),
+ _width(WIN_W), _height(int(WIN_H * 0.5768 + 1)),
+ _view_height(int(WIN_H * 0.4232)),
+ _visibility(fgGetNode("/sim/panel/visibility", true)),
+ _x_offset(fgGetNode("/sim/panel/x-offset", true)),
+ _y_offset(fgGetNode("/sim/panel/y-offset", true)),
+ _jitter(fgGetNode("/sim/panel/jitter", true)),
+ _flipx(fgGetNode("/sim/panel/flip-x", true)),
+ _xsize_node(fgGetNode("/sim/startup/xsize", true)),
+ _ysize_node(fgGetNode("/sim/startup/ysize", true))
+{
+}
+
+
+/**
+ * Destructor.
+ */
+FGPanel::~FGPanel ()
+{
+ for (instrument_list_type::iterator it = _instruments.begin();
+ it != _instruments.end();
+ it++) {
+ delete *it;
+ *it = 0;
+ }
+}
+
+
+/**
+ * Add an instrument to the panel.
+ */
+void
+FGPanel::addInstrument (FGPanelInstrument * instrument)
+{
+ _instruments.push_back(instrument);
+}
+
+
+/**
+ * Initialize the panel.
+ */
+void
+FGPanel::init ()
+{
+ SGPath base_path;
+ char* envp = ::getenv( "FG_FONTS" );
+ if ( envp != NULL ) {
+ base_path.set( envp );
+ } else {
+ base_path.set( globals->get_fg_root() );
+ base_path.append( "Fonts" );