]> git.mxchange.org Git - flightgear.git/blobdiff - src/Cockpit/hud_ladr.cxx
Merge branch 'vivian/cullsetting'
[flightgear.git] / src / Cockpit / hud_ladr.cxx
index dfc815a70a29f3e32ad515188b29c96490e57cfe..34b58d0eb7bf0a5286b1f5ab524a0deee037a193 100644 (file)
@@ -1,4 +1,3 @@
-
 #ifdef HAVE_CONFIG_H
 #  include "config.h"
 #endif
 
 #include "hud.hxx"
 #include "panel.hxx"
+#include <Main/viewer.hxx>
+
+// FIXME
+extern float get_roll(void);
+extern float get_pitch(void);
+
+
+HudLadder::HudLadder(const SGPropertyNode *node) :
+    dual_instr_item(
+            node->getIntValue("x"),
+            node->getIntValue("y"),
+            node->getIntValue("width"),
+            node->getIntValue("height"),
+            get_roll,
+            get_pitch,                         // FIXME getter functions from cockpit.cxx
+            node->getBoolValue("working", true),
+            HUDS_RIGHT),
+    width_units(int(node->getFloatValue("span_units"))),
+    div_units(int(fabs(node->getFloatValue("division_units")))),
+    minor_div(0 /* hud.cxx: static float minor_division = 0 */),
+    label_pos(node->getIntValue("lbl_pos")),
+    scr_hole(node->getIntValue("screen_hole")),
+    factor(node->getFloatValue("compression_factor")),
+    hudladder_type(node->getStringValue("name")),
+    frl(node->getBoolValue("enable_frl", false)),
+    target_spot(node->getBoolValue("enable_target_spot", false)),
+    velocity_vector(node->getBoolValue("enable_velocity_vector", false)),
+    drift_marker(node->getBoolValue("enable_drift_marker", false)),
+    alpha_bracket(node->getBoolValue("enable_alpha_bracket", false)),
+    energy_marker(node->getBoolValue("enable_energy_marker", false)),
+    climb_dive_marker(node->getBoolValue("enable_climb_dive_marker", false)),
+    glide_slope_marker(node->getBoolValue("enable_glide_slope_marker",false)),
+    glide_slope(node->getFloatValue("glide_slope", -4.0)),
+    energy_worm(node->getBoolValue("enable_energy_marker", false)),
+    waypoint_marker(node->getBoolValue("enable_waypoint_marker", false)),
+    zenith(node->getIntValue("zenith")),
+    nadir(node->getIntValue("nadir")),
+    hat(node->getIntValue("hat"))
+{
+    // The factor assumes a base of 55 degrees per 640 pixels.
+    // Invert to convert the "compression" factor to a
+    // pixels-per-degree number.
+    if (fgGetBool("/sim/hud/enable3d", true) && HUD_style == 1)
+        factor = 640.0 / 55.0;
 
-#define DO_PANEL_HACK
-
-//====================== Top of HudLadder Class =======================
-HudLadder ::   HudLadder(  const string& name,
-                          int       x,
-                          int       y,
-                          UINT      width,
-                          UINT      height,
-                          float         factr,
-                          FLTFNPTR  ptch_source,
-                          FLTFNPTR  roll_source,
-                          float     span_units,
-                          float     major_div,
-                          float     minor_div,
-                          UINT      screen_hole,
-                          UINT      lbl_pos,
-                          bool      frl_spot,
-                          bool          target,
-                          bool          vel_vec,
-                          bool          drift,
-                          bool          alpha,
-                          bool      energy,
-                          bool      climb,
-                          bool      glide,
-                          float     glide_slope_val,
-                          bool      worm_energy,
-                          bool      waypoint,
-                          bool      working,
-                          int           zenithsymbol, //suma
-                          int       nadirsymbol, //suma
-                          int           hat_marker): //suma
-
-    dual_instr_item( x, y, width, height,
-                    ptch_source,
-                    roll_source,
-                    working,
-                    HUDS_RIGHT),
-    width_units                        ( (int)(span_units)   ),
-    div_units                  ( (int)(major_div < 0? -major_div: major_div) ),
-    minor_div                  ( (int)(minor_div)    ),
-    label_pos                  ( lbl_pos      ),
-    scr_hole                   ( screen_hole  ),
-    vmax                               ( span_units/2 ),
-    vmin                               ( -vmax        ),
-    factor                             ( factr           ),
-    hudladder_type             ( name            ),
-    frl                                        ( frl_spot              ),
-    target_spot                        ( target                ),
-    velocity_vector            ( vel_vec               ),
-    drift_marker               ( drift                 ),
-    alpha_bracket              ( alpha                 ),
-    energy_marker              ( energy                ),
-    climb_dive_marker  ( climb         ),
-    glide_slope_marker ( glide                 ),
-    glide_slope                        ( glide_slope_val),
-    energy_worm                        ( worm_energy),
-    waypoint_marker            ( waypoint)
+    SG_LOG(SG_INPUT, SG_BULK, "Done reading HudLadder instrument"
+            << node->getStringValue("name", "[unnamed]"));
 
+    if (!width_units)
+        width_units = 45;
 
-{
-               
-    zenith= zenithsymbol; //suma
-       nadir=nadirsymbol; //suma
-       hat= hat_marker; //suma
-       if( !width_units ) 
-       {
-          width_units = 45;
-    }
-}
-   
-HudLadder ::  ~HudLadder()
-{
+    vmax = width_units / 2;
+    vmin = -vmax;
 }
-           
-HudLadder ::
-HudLadder( const HudLadder & image ) :
-    dual_instr_item            ( (dual_instr_item &) image),
-    width_units                        ( image.width_units   ),
-    div_units                  ( image.div_units     ),
-    label_pos                  ( image.label_pos     ),
-    scr_hole                   ( image.scr_hole      ),
-    vmax                               ( image.vmax ),
-    vmin                               ( image.vmin ),
-    factor                             ( image.factor        ),
-    hudladder_type             ( image.hudladder_type),
-    frl                                        ( image.frl),
-    target_spot                        ( image.target_spot),
-    velocity_vector            ( image.velocity_vector),
-    drift_marker               ( image.drift_marker),
-    alpha_bracket              ( image.alpha_bracket),
-    energy_marker              ( image.energy_marker),
-    climb_dive_marker  ( image.climb_dive_marker),
-    glide_slope_marker ( image.glide_slope_marker),
-    glide_slope                        ( image.glide_slope),
-    energy_worm                        ( image.energy_worm),
-    waypoint_marker            ( image.waypoint_marker)
-{
-}
-HudLadder & HudLadder ::  operator = ( const HudLadder & rhs )
-{
-    if( !(this == &rhs)) {
-       (dual_instr_item &)(*this) = (dual_instr_item &)rhs;
-       width_units                     = rhs.width_units;
-       div_units                       = rhs.div_units;
-       label_pos                       = rhs.label_pos;
-       scr_hole                        = rhs.scr_hole;
-       vmax                            = rhs.vmax;
-       vmin                            = rhs.vmin;
-       factor                          = rhs.factor;
-       hudladder_type          = rhs.hudladder_type;
-       frl                                     = rhs.frl;
-       velocity_vector         = rhs.velocity_vector;
-       drift_marker            = rhs.drift_marker;
-       alpha_bracket           = rhs.alpha_bracket;
-       energy_marker           = rhs.energy_marker;
-       climb_dive_marker       = rhs.climb_dive_marker;
-       target_spot                     = rhs.target_spot;
-       glide_slope_marker      = rhs.glide_slope_marker;
-       glide_slope                     = rhs.glide_slope;
-       energy_worm                     = rhs.energy_worm;
-       waypoint_marker         = rhs.waypoint_marker;
-    }
-    return *this;
-}
-                           
+
+
 //
 //  Draws a climb ladder in the center of the HUD
 //
 
-void HudLadder :: draw( void )
+void HudLadder::draw(void)
 {
 
-    float  x_ini,x_ini2;
-    float  x_end,x_end2;
-    float  y = 0;
+    float x_ini, x_ini2;
+    float x_end, x_end2;
+    float y = 0;
     int count;
-    float cosine, sine, xvvr, yvvr, Vxx = 0.0, Vyy = 0.0, Vzz = 0.0,
-        up_vel, ground_vel, actslope = 0.0;
-    float Axx = 0.0, Ayy = 0.0, Azz = 0.0, total_vel = 0.0, pot_slope, t1,
-        t2 = 0.0, psi = 0.0, alpha,pla;
+    float cosine, sine, xvvr, yvvr, Vxx = 0.0, Vyy = 0.0, Vzz = 0.0;
+    float up_vel, ground_vel, actslope = 0.0;
+    float Axx = 0.0, Ayy = 0.0, Azz = 0.0, total_vel = 0.0, pot_slope, t1;
+    float t2 = 0.0, psi = 0.0, alpha, pla;
     float vel_x = 0.0, vel_y = 0.0, drift;
-    // char     Textaux[8] ;
-    bool  pitch_ladder = false;
-    bool  climb_dive_ladder = false;
-    bool  clip_plane = false;
+    bool pitch_ladder = false;
+    bool climb_dive_ladder = false;
+    bool clip_plane = false;
 
-    GLdouble eqn_top[4] = {0.0,-1.0,0.0,0.0};
-    GLdouble eqn_left[4] = {-1.0,0.0,0.0,100.0};
-    GLdouble eqn_right[4] = {1.0,0.0,0.0,100.0};
+    GLdouble eqn_top[4] = {0.0, -1.0, 0.0, 0.0};
+    GLdouble eqn_left[4] = {-1.0, 0.0, 0.0, 100.0};
+    GLdouble eqn_right[4] = {1.0, 0.0, 0.0, 100.0};
 
-    POINT  centroid    = get_centroid();
-    RECT   box         = get_location();
+    POINT centroid = get_centroid();
+    RECT box = get_location();
 
-    float   half_span  = box.right / 2.0;
-    float   roll_value = current_ch2();
+    float half_span  = box.right / 2.0;
+    float roll_value = current_ch2();
     alpha = get_aoa();
     pla = get_throttleval();
 
-#ifdef ENABLE_SP_FMDS
-    int lgear,wown,wowm,ilcanclaw,ihook;
+#ifdef ENABLE_SP_FDM
+    int lgear, wown, wowm, ilcanclaw, ihook;
     ilcanclaw = get_iaux2();
     lgear = get_iaux3();
     wown = get_iaux4();
@@ -176,728 +103,683 @@ void HudLadder :: draw( void )
     ihook = get_iaux6();
 #endif
     float pitch_value = current_ch1() * SGD_RADIANS_TO_DEGREES;
-       
-    if(hudladder_type=="Climb/Dive Ladder") {
-       pitch_ladder = false;
-       climb_dive_ladder = true;
-       clip_plane = true;
+
+    if (hudladder_type == "Climb/Dive Ladder") {
+        pitch_ladder = false;
+        climb_dive_ladder = true;
+        clip_plane = true;
+
+    } else { // hudladder_type == "Pitch Ladder"
+        pitch_ladder = true;
+        climb_dive_ladder = false;
+        clip_plane = false;
     }
-    else
-       // hudladder_type=="Pitch Ladder" 
-       {
-           pitch_ladder = true;
-           climb_dive_ladder = false;
-           clip_plane = false;
-       }
-       
+
     //**************************************************************
     glPushMatrix();
-    // define (0,0) as center of screen
-    glTranslatef( centroid.x, centroid.y, 0);
+    // define (0, 0) as center of screen
+    glTranslatef(centroid.x, centroid.y, 0);
 
     // OBJECT STATIC RETICLE
     // TYPE FRL
     // ATTRIB - ALWAYS
     // Draw the FRL spot and line
-    if(frl)    {
+    if (frl) {
 #define FRL_DIAMOND_SIZE 2.0
-       glBegin(GL_LINE_LOOP);
-       glVertex2f( -FRL_DIAMOND_SIZE, 0.0);
-       glVertex2f(0.0, FRL_DIAMOND_SIZE);
-       glVertex2f( FRL_DIAMOND_SIZE, 0.0);
-       glVertex2f(0.0, -FRL_DIAMOND_SIZE);
-       glEnd();
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(0, FRL_DIAMOND_SIZE);
-       glVertex2f(0, 8.0 );
-       glEnd();
+        glBegin(GL_LINE_LOOP);
+        glVertex2f(-FRL_DIAMOND_SIZE, 0.0);
+        glVertex2f(0.0, FRL_DIAMOND_SIZE);
+        glVertex2f(FRL_DIAMOND_SIZE, 0.0);
+        glVertex2f(0.0, -FRL_DIAMOND_SIZE);
+        glEnd();
+
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(0, FRL_DIAMOND_SIZE);
+        glVertex2f(0, 8.0);
+        glEnd();
 #undef FRL_DIAMOND_SIZE
     }
     // TYPE WATERLINE_MARK (W shaped _    _ )
-    //                                               \/\/
+    //                                    \/\/
 
-    //****************************************************************    
+    //****************************************************************
     // TYPE TARGET_SPOT
     // Draw the target spot.
-    if (target_spot)   {
+    if (target_spot) {
 #define CENTER_DIAMOND_SIZE 6.0
-       glBegin(GL_LINE_LOOP);
-       glVertex2f( -CENTER_DIAMOND_SIZE, 0.0);
-       glVertex2f(0.0, CENTER_DIAMOND_SIZE);
-       glVertex2f( CENTER_DIAMOND_SIZE, 0.0);
-       glVertex2f(0.0, -CENTER_DIAMOND_SIZE);
-       glEnd();
+        glBegin(GL_LINE_LOOP);
+        glVertex2f(-CENTER_DIAMOND_SIZE, 0.0);
+        glVertex2f(0.0, CENTER_DIAMOND_SIZE);
+        glVertex2f(CENTER_DIAMOND_SIZE, 0.0);
+        glVertex2f(0.0, -CENTER_DIAMOND_SIZE);
+        glEnd();
 #undef CENTER_DIAMOND_SIZE
     }
 
-    //****************************************************************    
+    //****************************************************************
     //velocity vector reticle - computations
-    if(velocity_vector)        {
-       Vxx = get_Vx();
-       Vyy = get_Vy();
-       Vzz = get_Vz();
-       Axx = get_Ax();
-       Ayy = get_Ay();
-       Azz = get_Az();
-       psi = get_heading();
-
-       if (psi > 180.0) psi = psi - 360;
-
-       total_vel = sqrt(Vxx*Vxx + Vyy*Vyy + Vzz*Vzz);
-       ground_vel = sqrt(Vxx*Vxx + Vyy*Vyy);
-       up_vel = Vzz;
-
-       if (ground_vel < 2.0) {
-           if (fabs(up_vel) < 2.0) {
-               actslope = 0.0;
-           } else {
-               actslope = (up_vel/fabs(up_vel))*90.0;
-           }
-       } else {
-           actslope = atan(up_vel/ground_vel)*SGD_RADIANS_TO_DEGREES;
-       }
-
-       xvvr = (((atan2(Vyy,Vxx)*SGD_RADIANS_TO_DEGREES)-psi)*
-               (factor/globals->get_current_view()->get_aspect_ratio()));
-       drift = ((atan2(Vyy,Vxx)*SGD_RADIANS_TO_DEGREES)-psi);
-       yvvr = ((actslope - pitch_value)*factor);
-       vel_y = ((actslope -pitch_value) * cos(roll_value) + drift*sin(roll_value))*factor;
-       vel_x = (-(actslope -pitch_value)*sin(roll_value) + drift*cos(roll_value))*
-               (factor/globals->get_current_view()->get_aspect_ratio());
-       //  printf("%f %f %f %f\n",vel_x,vel_y,drift,psi);
-       //****************************************************************    
-       // OBJECT MOVING RETICLE
-       // TYPE - DRIFT MARKER
-       // ATTRIB - ALWAYS
-       // drift marker
-       if(drift_marker)        {
-           glBegin(GL_LINE_STRIP);
-           glVertex2f((xvvr*25/120)-6, -4);
-           glVertex2f(xvvr*25/120, 8);
-           glVertex2f((xvvr*25/120)+6, -4);
-           glEnd();
-       }
-
-       //****************************************************************    
-       // Clipping coordinates for ladder to be input from xml file
-       // Clip hud ladder
-       if (clip_plane) {
-           glClipPlane(GL_CLIP_PLANE0,eqn_top);
-           glEnable(GL_CLIP_PLANE0);
-           glClipPlane(GL_CLIP_PLANE1,eqn_left);
-           glEnable(GL_CLIP_PLANE1);
-           glClipPlane(GL_CLIP_PLANE2,eqn_right);
-           glEnable(GL_CLIP_PLANE2);
-           //      glScissor(-100,-240,200,240);
-           //      glEnable(GL_SCISSOR_TEST);
-       }
-       //****************************************************************    
-       // OBJECT MOVING RETICLE
-       // TYPE VELOCITY VECTOR
-       // ATTRIB - ALWAYS
-       //  velocity vector
-       glBegin(GL_LINE_LOOP);  // Use polygon to approximate a circle 
-        for(count=0; count<50; count++) {             
-           cosine = 6 * cos(count * SGD_2PI/50.0); 
-            sine =   6 * sin(count * SGD_2PI/50.0); 
-            glVertex2f(cosine+vel_x, sine+vel_y);
-       }     
-       glEnd(); 
-       //velocity vector reticle orientation lines
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(vel_x-12, vel_y);
-       glVertex2f(vel_x-6, vel_y);
-       glEnd();
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(vel_x+12, vel_y);
-       glVertex2f(vel_x+6, vel_y);
-       glEnd();
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(vel_x, vel_y+12);
-       glVertex2f(vel_x, vel_y+6);
-       glEnd();
-
-#ifdef ENABLE_SP_FMDS
-       // OBJECT MOVING RETICLE
-       // TYPE LINE
-       // ATTRIB - ON CONDITION
-       if (lgear == 1) {
-           // undercarriage status
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x+8, vel_y);
-           glVertex2f(vel_x+8, vel_y-4);
-           glEnd();
-           // OBJECT MOVING RETICLE
-           // TYPE LINE
-           // ATTRIB - ON CONDITION
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x-8, vel_y);
-           glVertex2f(vel_x-8, vel_y-4);
-           glEnd();
-           // OBJECT MOVING RETICLE
-           // TYPE LINE
-           // ATTRIB - ON CONDITION
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x, vel_y-6);
-           glVertex2f(vel_x, vel_y-10);
-           glEnd();
-       }
-
-       // OBJECT MOVING RETICLE
-       // TYPE V
-       // ATTRIB - ON CONDITION
-       if (ihook == 1) {
-           // arrestor hook status
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x-4, vel_y-8);
-           glVertex2f(vel_x, vel_y-10);
-           glVertex2f(vel_x+4, vel_y-8);
-           glEnd();
-       }
+    if (velocity_vector) {
+        Vxx = get_Vx();
+        Vyy = get_Vy();
+        Vzz = get_Vz();
+        Axx = get_Ax();
+        Ayy = get_Ay();
+        Azz = get_Az();
+        psi = get_heading();
+
+        if (psi > 180.0)
+            psi = psi - 360;
+
+        total_vel = sqrt(Vxx * Vxx + Vyy * Vyy + Vzz * Vzz);
+        ground_vel = sqrt(Vxx * Vxx + Vyy * Vyy);
+        up_vel = Vzz;
+
+        if (ground_vel < 2.0) {
+            if (fabs(up_vel) < 2.0)
+                actslope = 0.0;
+            else
+                actslope = (up_vel / fabs(up_vel)) * 90.0;
+
+        } else {
+            actslope = atan(up_vel / ground_vel) * SGD_RADIANS_TO_DEGREES;
+        }
+
+        xvvr = (((atan2(Vyy, Vxx) * SGD_RADIANS_TO_DEGREES) - psi)
+                * (factor / globals->get_current_view()->get_aspect_ratio()));
+        drift = ((atan2(Vyy, Vxx) * SGD_RADIANS_TO_DEGREES) - psi);
+        yvvr = ((actslope - pitch_value) * factor);
+        vel_y = ((actslope - pitch_value) * cos(roll_value) + drift * sin(roll_value)) * factor;
+        vel_x = (-(actslope - pitch_value) * sin(roll_value) + drift * cos(roll_value))
+                * (factor/globals->get_current_view()->get_aspect_ratio());
+        //  printf("%f %f %f %f\n",vel_x, vel_y, drift, psi);
+
+        //****************************************************************
+        // OBJECT MOVING RETICLE
+        // TYPE - DRIFT MARKER
+        // ATTRIB - ALWAYS
+        // drift marker
+        if (drift_marker) {
+            glBegin(GL_LINE_STRIP);
+            glVertex2f((xvvr * 25 / 120) - 6, -4);
+            glVertex2f(xvvr * 25 / 120, 8);
+            glVertex2f((xvvr * 25 / 120) + 6, -4);
+            glEnd();
+        }
+
+        //****************************************************************
+        // Clipping coordinates for ladder to be input from xml file
+        // Clip hud ladder
+        if (clip_plane) {
+            glClipPlane(GL_CLIP_PLANE0, eqn_top);
+            glEnable(GL_CLIP_PLANE0);
+            glClipPlane(GL_CLIP_PLANE1, eqn_left);
+            glEnable(GL_CLIP_PLANE1);
+            glClipPlane(GL_CLIP_PLANE2, eqn_right);
+            glEnable(GL_CLIP_PLANE2);
+            // glScissor(-100,-240, 200, 240);
+            // glEnable(GL_SCISSOR_TEST);
+        }
+
+        //****************************************************************
+        // OBJECT MOVING RETICLE
+        // TYPE VELOCITY VECTOR
+        // ATTRIB - ALWAYS
+        // velocity vector
+        glBegin(GL_LINE_LOOP);  // Use polygon to approximate a circle
+        for (count = 0; count < 50; count++) {
+            cosine = 6 * cos(count * SGD_2PI / 50.0);
+            sine =   6 * sin(count * SGD_2PI / 50.0);
+            glVertex2f(cosine + vel_x, sine + vel_y);
+        }
+        glEnd();
+
+        //velocity vector reticle orientation lines
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x - 12, vel_y);
+        glVertex2f(vel_x - 6, vel_y);
+        glEnd();
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x + 12, vel_y);
+        glVertex2f(vel_x + 6, vel_y);
+        glEnd();
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x, vel_y + 12);
+        glVertex2f(vel_x, vel_y + 6);
+        glEnd();
+
+#ifdef ENABLE_SP_FDM
+        // OBJECT MOVING RETICLE
+        // TYPE LINE
+        // ATTRIB - ON CONDITION
+        if (lgear == 1) {
+            // undercarriage status
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x + 8, vel_y);
+            glVertex2f(vel_x + 8, vel_y - 4);
+            glEnd();
+
+            // OBJECT MOVING RETICLE
+            // TYPE LINE
+            // ATTRIB - ON CONDITION
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x - 8, vel_y);
+            glVertex2f(vel_x - 8, vel_y - 4);
+            glEnd();
+
+            // OBJECT MOVING RETICLE
+            // TYPE LINE
+            // ATTRIB - ON CONDITION
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x, vel_y - 6);
+            glVertex2f(vel_x, vel_y - 10);
+            glEnd();
+        }
+
+        // OBJECT MOVING RETICLE
+        // TYPE V
+        // ATTRIB - ON CONDITION
+        if (ihook == 1) {
+            // arrestor hook status
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x - 4, vel_y - 8);
+            glVertex2f(vel_x, vel_y - 10);
+            glVertex2f(vel_x + 4, vel_y - 8);
+            glEnd();
+        }
 #endif
-    }//if velocity_vector
+    } // if velocity_vector
+
 
     //***************************************************************
     // OBJECT MOVING RETICLE
     // TYPE - SQUARE_BRACKET
     // ATTRIB - ON CONDITION
     // alpha bracket
-#ifdef ENABLE_SP_FMDS
-    if (alpha_bracket) {
-       if (ihook == 1) {
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x-20 , vel_y-(16-alpha)*factor);
-           glVertex2f(vel_x-17, vel_y-(16-alpha)*factor);
-           glVertex2f(vel_x-17, vel_y-(14-alpha)*factor);
-           glVertex2f(vel_x-20, vel_y-(14-alpha)*factor);
-           glEnd();
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x+20 , vel_y-(16-alpha)*factor);
-           glVertex2f(vel_x+17, vel_y-(16-alpha)*factor);
-           glVertex2f(vel_x+17, vel_y-(14-alpha)*factor);
-           glVertex2f(vel_x+20, vel_y-(14-alpha)*factor);
-           glEnd();
-       }
+#ifdef ENABLE_SP_FDM
+    if (alpha_bracket && ihook == 1) {
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x - 20 , vel_y - (16 - alpha) * factor);
+        glVertex2f(vel_x - 17, vel_y - (16 - alpha) * factor);
+        glVertex2f(vel_x - 17, vel_y - (14 - alpha) * factor);
+        glVertex2f(vel_x - 20, vel_y - (14 - alpha) * factor);
+        glEnd();
+
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x + 20 , vel_y - (16 - alpha) * factor);
+        glVertex2f(vel_x + 17, vel_y - (16 - alpha) * factor);
+        glVertex2f(vel_x + 17, vel_y - (14 - alpha) * factor);
+        glVertex2f(vel_x + 20, vel_y - (14 - alpha) * factor);
+        glEnd();
     }
 #endif
-    //printf("xvr=%f,yvr=%f,Vx=%f,Vy=%f,Vz=%f\n",xvvr,yvvr,Vx,Vy,Vz);
-    //printf("Ax=%f,Ay=%f,Az=%f\n",Ax,Ay,Az);
-    //**************************************************************** 
+    //printf("xvr=%f, yvr=%f, Vx=%f, Vy=%f, Vz=%f\n",xvvr, yvvr, Vx, Vy, Vz);
+    //printf("Ax=%f, Ay=%f, Az=%f\n",Ax, Ay, Az);
+
+    //****************************************************************
     // OBJECT MOVING RETICLE
     // TYPE ENERGY_MARKERS
     // ATTRIB - ALWAYS
     //energy markers - compute potential slope
-    if(energy_marker)  {
-       if (total_vel < 5.0) {
-           t1 = 0;
-           t2 = 0;
-       } else {
-           t1 = up_vel/total_vel;
-           t2 = asin((Vxx*Axx + Vyy*Ayy + Vzz*Azz)/(9.81*total_vel));
-       }
-       pot_slope = ((t2/3)*SGD_RADIANS_TO_DEGREES)*factor + vel_y;
-       //    if (pot_slope < (vel_y - 45)) pot_slope = vel_y-45;
-       //    if (pot_slope > (vel_y + 45)) pot_slope = vel_y+45;
-
-       //energy markers
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(vel_x-20, pot_slope-5);
-       glVertex2f(vel_x-15, pot_slope);
-       glVertex2f(vel_x-20, pot_slope+5);
-       glEnd();
-       glBegin(GL_LINE_STRIP);
-       glVertex2f(vel_x+20, pot_slope-5);
-       glVertex2f(vel_x+15, pot_slope);
-       glVertex2f(vel_x+20, pot_slope+5);
-       glEnd();
-       if (pla > (105.0/131.0)) {
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x-24, pot_slope-5);
-           glVertex2f(vel_x-19, pot_slope);
-           glVertex2f(vel_x-24, pot_slope+5);
-           glEnd();
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(vel_x+24, pot_slope-5);
-           glVertex2f(vel_x+19, pot_slope);
-           glVertex2f(vel_x+24, pot_slope+5);
-           glEnd();
-       }
+    if (energy_marker) {
+        if (total_vel < 5.0) {
+            t1 = 0;
+            t2 = 0;
+        } else {
+            t1 = up_vel / total_vel;
+            t2 = asin((Vxx * Axx + Vyy * Ayy + Vzz * Azz) / (9.81 * total_vel));
+        }
+        pot_slope = ((t2 / 3) * SGD_RADIANS_TO_DEGREES) * factor + vel_y;
+        // if (pot_slope < (vel_y - 45)) pot_slope = vel_y - 45;
+        // if (pot_slope > (vel_y + 45)) pot_slope = vel_y + 45;
+
+        //energy markers
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x - 20, pot_slope - 5);
+        glVertex2f(vel_x - 15, pot_slope);
+        glVertex2f(vel_x - 20, pot_slope + 5);
+        glEnd();
+
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(vel_x + 20, pot_slope - 5);
+        glVertex2f(vel_x + 15, pot_slope);
+        glVertex2f(vel_x + 20, pot_slope + 5);
+        glEnd();
+
+        if (pla > (105.0 / 131.0)) {
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x - 24, pot_slope - 5);
+            glVertex2f(vel_x - 19, pot_slope);
+            glVertex2f(vel_x - 24, pot_slope + 5);
+            glEnd();
+
+            glBegin(GL_LINE_STRIP);
+            glVertex2f(vel_x + 24, pot_slope - 5);
+            glVertex2f(vel_x + 19, pot_slope);
+            glVertex2f(vel_x + 24, pot_slope + 5);
+            glEnd();
+        }
     }
-    //********************************************************** 
+
+    //**********************************************************
     // ramp reticle
     // OBJECT STATIC RETICLE
     // TYPE LINE
     // ATTRIB - ON CONDITION
-#ifdef ENABLE_SP_FMDS
-    if (energy_worm)   {
-       if (ilcanclaw == 1) {
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(-15, -134);
-           glVertex2f(15, -134);
-           glEnd();
-           // OBJECT MOVING RETICLE
-           // TYPE BOX
-           // ATTRIB - ON CONDITION
-           glBegin(GL_LINE_STRIP);
-           glVertex2f(-6, -134);
-           glVertex2f(-6, t2*SGD_RADIANS_TO_DEGREES*4.0 - 134);
-           glVertex2f(+6, t2*SGD_RADIANS_TO_DEGREES*4.0 - 134);
-           glVertex2f(6, -134);
-           glEnd();
-           // OBJECT MOVING RETICLE
-           // TYPE DIAMOND
-           // ATTRIB - ON CONDITION
-           glBegin(GL_LINE_LOOP);
-           glVertex2f(-6, actslope*4.0 - 134);
-           glVertex2f(0, actslope*4.0 -134 +3);
-           glVertex2f(6, actslope*4.0 - 134);
-           glVertex2f(0, actslope*4.0 -134 -3);
-           glEnd();
-       }
+#ifdef ENABLE_SP_FDM
+    if (energy_worm && ilcanclaw == 1) {
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(-15, -134);
+        glVertex2f(15, -134);
+        glEnd();
+
+        // OBJECT MOVING RETICLE
+        // TYPE BOX
+        // ATTRIB - ON CONDITION
+        glBegin(GL_LINE_STRIP);
+        glVertex2f(-6, -134);
+        glVertex2f(-6, t2 * SGD_RADIANS_TO_DEGREES * 4.0 - 134);
+        glVertex2f(+6, t2 * SGD_RADIANS_TO_DEGREES * 4.0 - 134);
+        glVertex2f(6, -134);
+        glEnd();
+
+        // OBJECT MOVING RETICLE
+        // TYPE DIAMOND
+        // ATTRIB - ON CONDITION
+        glBegin(GL_LINE_LOOP);
+        glVertex2f(-6, actslope * 4.0 - 134);
+        glVertex2f(0, actslope * 4.0 -134 + 3);
+        glVertex2f(6, actslope * 4.0 - 134);
+        glVertex2f(0, actslope * 4.0 -134 -3);
+        glEnd();
     }
 #endif
+
     //*************************************************************
     // OBJECT MOVING RETICLE
     // TYPE DIAMOND
     // ATTRIB - ALWAYS
     // Draw the locked velocity vector.
-    if(climb_dive_marker)      {
-       glBegin(GL_LINE_LOOP);
-        glVertex2f( -3.0, 0.0+vel_y);
-        glVertex2f(0.0, 6.0+vel_y);
-        glVertex2f( 3.0, 0.0+vel_y);
-        glVertex2f(0.0, -6.0+vel_y);
-       glEnd();
+    if (climb_dive_marker) {
+        glBegin(GL_LINE_LOOP);
+        glVertex2f(-3.0, 0.0 + vel_y);
+        glVertex2f(0.0, 6.0 + vel_y);
+        glVertex2f(3.0, 0.0 + vel_y);
+        glVertex2f(0.0, -6.0 + vel_y);
+        glEnd();
     }
 
-    //****************************************************************    
+    //****************************************************************
 
-    if(climb_dive_ladder)
-       {                     // CONFORMAL_HUD
-
-       vmin              = pitch_value - (float)width_units;
-       vmax              = pitch_value + (float)width_units; 
-
-       glTranslatef( vel_x, vel_y, 0);
+    if (climb_dive_ladder) { // CONFORMAL_HUD
+        vmin = pitch_value - (float)width_units;
+        vmax = pitch_value + (float)width_units;
+        glTranslatef(vel_x, vel_y, 0);
 
+    } else { // pitch_ladder - Default Hud
+        vmin = pitch_value - (float)width_units * 0.5f;
+        vmax = pitch_value + (float)width_units * 0.5f;
     }
-    else 
-       // pitch_ladder - Default Hud
-       {
-
-           vmin              = pitch_value - (float)width_units * 0.5f;
-           vmax              = pitch_value + (float)width_units * 0.5f;
-
-       }
 
     glRotatef(roll_value * SGD_RADIANS_TO_DEGREES, 0.0, 0.0, 1.0);
     // FRL marker not rotated - this line shifted below
 
-    if( div_units ) 
-       {
-        char     TextLadder[8] ;
-        float    label_length ;
-        float    label_height ;
-        float    left ;
-        float    right ;
-        float    bot ;
-        float    top ;
-        float    text_offset = 4.0f ;
-       float    zero_offset = 0.0;
-               
-       if ( climb_dive_ladder ) {
-           zero_offset = 50.0f ; // horizon line is wider by this much (hard coded ??)
-       } else {
-               zero_offset = 10.0f ;
-    }
-               
-       fntFont *font      = HUDtext->getFont();
-       float    pointsize = HUDtext->getPointSize();
-       float    italic    = HUDtext->getSlant();
-
-    TextList.setFont( HUDtext );
-    TextList.erase();
-    LineList.erase();
-    StippleLineList.erase();
-
-    int last = FloatToInt(vmax)+1;
-    int i    = FloatToInt(vmin);
-
-        if( !scr_hole ) {
-           x_end =  half_span;
-            for( ; i<last ; i++ ) 
-                       {
-                
-                y =  (((float)(i - pitch_value) * factor) + .5f);
-                if( !(i % div_units ))            //  At integral multiple of div
-                               {
-                
-                    sprintf( TextLadder, "%d", i );
-                    font->getBBox ( TextLadder, pointsize, italic,
-                                    &left, &right, &bot, &top ) ;
-                    label_length  = right - left;
+    if (div_units) {
+        char  TextLadder[8];
+        float label_length;
+        float label_height;
+        float left;
+        float right;
+        float bot;
+        float top;
+        float text_offset = 4.0f;
+        float zero_offset = 0.0;
+
+        if (climb_dive_ladder)
+            zero_offset = 50.0f; // horizon line is wider by this much (hard coded ??)
+        else
+            zero_offset = 10.0f;
+
+        fntFont *font = HUDtext->getFont();                    // FIXME
+        float pointsize = HUDtext->getPointSize();
+        float italic = HUDtext->getSlant();
+
+        TextList.setFont(HUDtext);
+        TextList.erase();
+        LineList.erase();
+        StippleLineList.erase();
+
+        int last = float_to_int(vmax) + 1;
+        int i = float_to_int(vmin);
+
+        if (!scr_hole) {
+            x_end = half_span;
+
+            for (; i<last; i++) {
+                y = (((float)(i - pitch_value) * factor) + .5f);
+
+                if (!(i % div_units)) {           //  At integral multiple of div
+                    sprintf(TextLadder, "%d", i);
+                    font->getBBox(TextLadder, pointsize, italic,
+                            &left, &right, &bot, &top);
+                    label_length = right - left;
                     label_length += text_offset;
-                    label_height  = (top - bot)/2.0f;
-                
+                    label_height = (top - bot) / 2.0f;
+
                     x_ini = -half_span;
-                    
-                    if( i >= 0 ) 
-                                       {
+
+                    if (i >= 0) {
                         // Make zero point wider on left
-                        if( i == 0 )
+                        if (i == 0)
                             x_ini -= zero_offset;
-                            
-                                               // Zero or above draw solid lines
-                                               Line(x_ini, y, x_end, y);
-                                               
-                                               if(i == 90)
-                                               if(zenith == 1)
-                                               {
-                                                 drawZenith(x_ini, x_end,y);
-                                               }
+
+                        // Zero or above draw solid lines
+                        Line(x_ini, y, x_end, y);
+
+                        if (i == 90 && zenith == 1)
+                            drawZenith(x_ini, x_end, y);
                     } else {
                         // Below zero draw dashed lines.
                         StippleLine(x_ini, y, x_end, y);
 
-                                               
-                                               if(i == -90)
-                                               if(nadir ==1)
-                                               { 
-                                                       drawNadir(x_ini, x_end,y);
-                                               }
+                        if (i == -90 && nadir ==1)
+                            drawNadir(x_ini, x_end, y);
                     }
-                    
+
                     // Calculate the position of the left text and write it.
-                    Text( x_ini-label_length, y-label_height, TextLadder );
-                    Text( x_end+text_offset,  y-label_height, TextLadder );
+                    Text(x_ini-label_length, y-label_height, TextLadder);
+                    Text(x_end+text_offset, y-label_height, TextLadder);
                 }
             }
-        }
-        else // if(scr_hole )
-           {    // Draw ladder with space in the middle of the lines
-               float hole = (float)((scr_hole)/2.0f);
-
-               x_end = -half_span + hole;
-               x_ini2= half_span  - hole;
-               for( ; i<last ; i++ )      
-               {
-
-                   if(hudladder_type=="Pitch Ladder")
-                       y = (((float)(i - pitch_value) * factor) + .5);
-                   else
-                       if(hudladder_type=="Climb/Dive Ladder")
-                           y = (((float)(i - actslope) * factor) + .5);
-
-                   if( !(i % div_units ))    {        //  At integral multiple of div
-
-                       sprintf( TextLadder, "%d", i );
-                       font->getBBox ( TextLadder, pointsize, italic,
-                                       &left, &right, &bot, &top ) ;
-                       label_length  = right - left;
-                       label_length += text_offset;
-                       label_height  = (top - bot)/2.0f;
-                       //                  printf("l %f r %f b %f t %f\n",left, right, bot, top );
-                
-                       // Start by calculating the points and drawing the
-                       // left side lines.
-                       x_ini = -half_span;
-                       x_end2= half_span;
-                    
-                       if( i >= 0 ) 
-                       { 
-                           // Make zero point wider on left
-                           if( i == 0 ) 
-                               {
-                                   x_ini -= zero_offset;
-                                       x_end2 +=zero_offset;
-                           } 
-                           //draw climb bar vertical lines
-                               if(climb_dive_ladder)
-                               {
-                                  // Zero or above draw solid lines
-                                  Line(x_end, y-5.0, x_end, y);
-                                  Line(x_ini2, y-5.0, x_ini2, y);
-                           }
-                               // draw pitch / climb bar
-                           Line(x_ini, y, x_end, y);
-                           Line(x_ini2, y, x_end2, y);
-
-                               if(i == 90)
-                               if(zenith == 1)
-                               {  
-                                 drawZenith(x_ini2, x_end,y);
-                               }
-                       }
-                       else  // i < 0
-                       {
-                           // draw dive bar vertical lines
-                           if(climb_dive_ladder) 
-                               {
-                                       Line(x_end, y+5.0, x_end, y);
-                                       Line(x_ini2, y+5.0, x_ini2, y);
-                           }
-                           // draw pitch / dive bars
-                               StippleLine(x_ini, y, x_end, y);
-                           StippleLine(x_ini2, y, x_end2, y);
-               
-                           if(i == -90)
-                           if(nadir == 1)
-                               {
-                                   drawNadir(x_ini2, x_end,y);
-                               }
-                       }
-                    
-                       // Now calculate the location of the left side label using
-                       Text( x_ini-label_length, y-label_height, TextLadder );
-                       Text (x_end2+text_offset, y-label_height, TextLadder );
-
-                   }
-               }
-
-               // OBJECT LADDER MARK
-               // TYPE LINE
-               // ATTRIB - ON CONDITION
-               // draw appraoch glide slope marker
-#ifdef ENABLE_SP_FMDS
-               if (glide_slope_marker) {
-                   if (ihook) {
-                       Line(-half_span+15, (glide_slope-actslope)*factor, -half_span + hole, (glide_slope-actslope)*factor);
-                       Line(half_span-15, (glide_slope-actslope)*factor, half_span - hole, (glide_slope-actslope)*factor);
-                   }
-               }// if glide_slope_marker
+
+        } else { // if (scr_hole)
+            // Draw ladder with space in the middle of the lines
+            float hole = (float)((scr_hole) / 2.0f);
+
+            x_end = -half_span + hole;
+            x_ini2 = half_span - hole;
+
+            for (; i < last; i++) {
+                if (hudladder_type == "Pitch Ladder")
+                    y = (((float)(i - pitch_value) * factor) + .5);
+                else if (hudladder_type == "Climb/Dive Ladder")
+                    y = (((float)(i - actslope) * factor) + .5);
+
+                if (!(i % div_units)) {  //  At integral multiple of div
+                    sprintf(TextLadder, "%d", i);
+                    font->getBBox(TextLadder, pointsize, italic,
+                            &left, &right, &bot, &top);
+                    label_length = right - left;
+                    label_length += text_offset;
+                    label_height = (top - bot) / 2.0f;
+                    // printf("l %f r %f b %f t %f\n",left, right, bot, top);
+
+                    // Start by calculating the points and drawing the
+                    // left side lines.
+                    x_ini = -half_span;
+                    x_end2 = half_span;
+
+                    if (i >= 0) {
+                        // Make zero point wider on left
+                        if (i == 0) {
+                            x_ini -= zero_offset;
+                            x_end2 += zero_offset;
+                        }
+                        //draw climb bar vertical lines
+                        if (climb_dive_ladder) {
+                            // Zero or above draw solid lines
+                            Line(x_end, y - 5.0, x_end, y);
+                            Line(x_ini2, y - 5.0, x_ini2, y);
+                        }
+                        // draw pitch / climb bar
+                        Line(x_ini, y, x_end, y);
+                        Line(x_ini2, y, x_end2, y);
+
+                        if (i == 90 && zenith == 1)
+                            drawZenith(x_ini2, x_end, y);
+
+                    } else { // i < 0
+                        // draw dive bar vertical lines
+                        if (climb_dive_ladder) {
+                            Line(x_end, y + 5.0, x_end, y);
+                            Line(x_ini2, y + 5.0, x_ini2, y);
+                        }
+
+                        // draw pitch / dive bars
+                        StippleLine(x_ini, y, x_end, y);
+                        StippleLine(x_ini2, y, x_end2, y);
+
+                        if (i == -90 && nadir == 1)
+                            drawNadir(x_ini2, x_end, y);
+                    }
+
+                    // Now calculate the location of the left side label using
+                    Text(x_ini-label_length, y - label_height, TextLadder);
+                    Text(x_end2+text_offset, y - label_height, TextLadder);
+                }
+            }
+
+            // OBJECT LADDER MARK
+            // TYPE LINE
+            // ATTRIB - ON CONDITION
+            // draw appraoch glide slope marker
+#ifdef ENABLE_SP_FDM
+            if (glide_slope_marker && ihook) {
+                Line(-half_span + 15, (glide_slope-actslope) * factor,
+                        -half_span + hole, (glide_slope - actslope) * factor);
+                Line(half_span - 15, (glide_slope-actslope) * factor,
+                        half_span - hole, (glide_slope - actslope) * factor);
+            }
 #endif
-           }
+        }
         TextList.draw();
 
         glLineWidth(0.2);
-        
+
         LineList.draw();
-        
+
         glEnable(GL_LINE_STIPPLE);
-        glLineStipple( 1, 0x00FF );
-        StippleLineList.draw( );
+        glLineStipple(1, 0x00FF);
+        StippleLineList.draw();
         glDisable(GL_LINE_STIPPLE);
     }
     glDisable(GL_CLIP_PLANE0);
     glDisable(GL_CLIP_PLANE1);
     glDisable(GL_CLIP_PLANE2);
-    //      glDisable(GL_SCISSOR_TEST);
+    //  glDisable(GL_SCISSOR_TEST);
     glPopMatrix();
     //*************************************************************
-    //*************************************************************
-#ifdef ENABLE_SP_FMDS
-    if(waypoint_marker) {
-       //waypoint marker computation
-       float fromwp_lat,towp_lat,fromwp_lon,towp_lon,dist,delx,dely,hyp,theta,brg;
-
-       fromwp_lon = get_longitude()*SGD_DEGREES_TO_RADIANS;
-       fromwp_lat = get_latitude()*SGD_DEGREES_TO_RADIANS;
-       towp_lon = get_aux2()*SGD_DEGREES_TO_RADIANS;
-       towp_lat = get_aux1()*SGD_DEGREES_TO_RADIANS;
-
-       dist = acos(sin(fromwp_lat)*sin(towp_lat)+cos(fromwp_lat)*cos(towp_lat)*cos(fabs(fromwp_lon-towp_lon)));
-       delx= towp_lat - fromwp_lat;
-       dely = towp_lon - fromwp_lon;
-       hyp = sqrt(pow(delx,2)+pow(dely,2));
-       if (hyp != 0) {
-           theta = asin(dely/hyp);
-       } else {
-           theta = 0.0;
-       }
-       brg = theta*SGD_RADIANS_TO_DEGREES;
-       if (brg > 360.0) brg = 0.0;
-       if (delx < 0) brg = 180 - brg;
-
-       //        {Brg  = asin(cos(towp_lat)*sin(fabs(fromwp_lon-towp_lon))/ sin(dist));
-       //        Brg = Brg * SGD_RADIANS_TO_DEGREES; }
-       dist = dist*SGD_RADIANS_TO_DEGREES * 60.0*1852.0; //rad->deg->nm->m
-       // end waypoint marker computation
-       //*********************************************************
-       // OBJECT MOVING RETICLE
-       // TYPE ARROW
-       // waypoint marker
-
-         if (fabs(brg-psi) > 10.0) 
-         {
-           glPushMatrix();
-           glTranslatef( centroid.x, centroid.y, 0);
-           glTranslatef( vel_x, vel_y, 0);
-           glRotatef(brg - psi,0.0,0.0,-1.0);
-           glBegin(GL_LINE_LOOP);
-           glVertex2f(-2.5,20.0);
-           glVertex2f(-2.5,30.0);
-           glVertex2f(-5.0,30.0);
-           glVertex2f(0.0,35.0);
-           glVertex2f(5.0,30.0);
-           glVertex2f(2.5,30.0);
-           glVertex2f(2.5,20.0);
-           glEnd();
-           glPopMatrix();
-         }
-
-         // waypoint marker on heading scale
-         if (fabs(brg-psi) < 12.0) 
-         {
-         if(hat ==0)
-         {
-           glBegin(GL_LINE_LOOP);
-           glVertex2f(((brg-psi)*60/25)+320,240.0);
-           glVertex2f(((brg-psi)*60/25)+326,240.0-4);
-           glVertex2f(((brg-psi)*60/25)+323,240.0-4);
-           glVertex2f(((brg-psi)*60/25)+323,240.0-8);
-           glVertex2f(((brg-psi)*60/25)+317,240.0-8);
-           glVertex2f(((brg-psi)*60/25)+317,240.0-4);
-           glVertex2f(((brg-psi)*60/25)+314,240.0-4);
-           glEnd();
-         } else {//if hat=0
-
-                 float x= (brg-psi)*60/25 + 320,  y=240.0, r=5.0;
-                 float x1,y1;
-                                                               
-                 glEnable(GL_POINT_SMOOTH);
-                                                                                 
-         glBegin(GL_POINTS);
-                       
-                 for(int count=0; count<=200; count++)
-                 {
-                       float temp = count * 3.142 * 3 / (200.0*2.0);
-                       float temp1 = temp-(45.0*SGD_DEGREES_TO_RADIANS);
-                   x1 = x + r * cos(temp1); 
-                   y1 = y + r * sin(temp1);
-                                        
-                       glVertex2f(x1, y1);
-                 }
-                                       
-                 glEnd();
-                 glDisable(GL_POINT_SMOOTH); 
-         } //hat=0
-
-         } //brg<12
-    } // if waypoint_marker
-#endif
-}//draw
-
-/******************************************************************/
 
-//begin suma
-       //  draws the zenith symbol  for highest possible climb angle (i,e 90 degree climb angle)
-
-void HudLadder :: 
-drawZenith(float xfirst,float xlast,float yvalue )
-{
-
-            float xcentre = (xfirst + xlast)/2.0;
-                float ycentre = yvalue;
-
-         Line(xcentre-9.0, ycentre, xcentre-3.0, ycentre+1.3);
-            Line(xcentre-9.0, ycentre, xcentre-3.0, ycentre-1.3);
-  
-            Line(xcentre+9.0, ycentre, xcentre+3.0, ycentre+1.3);
-            Line(xcentre+9.0, ycentre, xcentre+3.0, ycentre-1.3);
-
-            Line(xcentre, ycentre+9.0, xcentre-1.3, ycentre+3.0);
-            Line(xcentre, ycentre+9.0, xcentre+1.3, ycentre+3.0);
-
-                Line(xcentre-3.9, ycentre+3.9, xcentre-3.0, ycentre+1.3);
-            Line(xcentre-3.9, ycentre+3.9, xcentre-1.3, ycentre+3.0);
-
-            Line(xcentre+3.9, ycentre+3.9, xcentre+1.3, ycentre+3.0);
-            Line(xcentre+3.9, ycentre+3.9, xcentre+3.0, ycentre+1.3);
-
-            Line(xcentre-3.9, ycentre-3.9, xcentre-3.0, ycentre-1.3);
-            Line(xcentre-3.9, ycentre-3.9, xcentre-1.3, ycentre-2.6);
-
-            Line(xcentre+3.9, ycentre-3.9, xcentre+3.0, ycentre-1.3);
-            Line(xcentre+3.9, ycentre-3.9, xcentre+1.3, ycentre-2.6);
+    //*************************************************************
+#ifdef ENABLE_SP_FDM
+    if (waypoint_marker) {
+        //waypoint marker computation
+        float fromwp_lat, towp_lat, fromwp_lon, towp_lon, dist, delx, dely, hyp, theta, brg;
+
+        fromwp_lon = get_longitude() * SGD_DEGREES_TO_RADIANS;
+        fromwp_lat = get_latitude() * SGD_DEGREES_TO_RADIANS;
+        towp_lon = get_aux2() * SGD_DEGREES_TO_RADIANS;
+        towp_lat = get_aux1() * SGD_DEGREES_TO_RADIANS;
+
+        dist = acos(sin(fromwp_lat) * sin(towp_lat) + cos(fromwp_lat)
+                * cos(towp_lat) * cos(fabs(fromwp_lon - towp_lon)));
+        delx= towp_lat - fromwp_lat;
+        dely = towp_lon - fromwp_lon;
+        hyp = sqrt(pow(delx, 2) + pow(dely, 2));
+
+        if (hyp != 0)
+            theta = asin(dely / hyp);
+        else
+            theta = 0.0;
+
+        brg = theta * SGD_RADIANS_TO_DEGREES;
+        if (brg > 360.0)
+            brg = 0.0;
+        if (delx < 0)
+            brg = 180 - brg;
+
+        // {Brg  = asin(cos(towp_lat)*sin(fabs(fromwp_lon-towp_lon))/ sin(dist));
+        // Brg = Brg * SGD_RADIANS_TO_DEGREES; }
+
+        dist *= SGD_RADIANS_TO_DEGREES * 60.0 * 1852.0; //rad->deg->nm->m
+        // end waypoint marker computation
+
+        //*********************************************************
+        // OBJECT MOVING RETICLE
+        // TYPE ARROW
+        // waypoint marker
+        if (fabs(brg-psi) > 10.0) {
+            glPushMatrix();
+            glTranslatef(centroid.x, centroid.y, 0);
+            glTranslatef(vel_x, vel_y, 0);
+            glRotatef(brg - psi, 0.0, 0.0, -1.0);
+            glBegin(GL_LINE_LOOP);
+            glVertex2f(-2.5, 20.0);
+            glVertex2f(-2.5, 30.0);
+            glVertex2f(-5.0, 30.0);
+            glVertex2f(0.0, 35.0);
+            glVertex2f(5.0, 30.0);
+            glVertex2f(2.5, 30.0);
+            glVertex2f(2.5, 20.0);
+            glEnd();
+            glPopMatrix();
+        }
 
-            Line(xcentre-1.3, ycentre-2.6, xcentre, ycentre-27.0);
-         Line(xcentre+1.3, ycentre-2.6, xcentre, ycentre-27.0);
+        // waypoint marker on heading scale
+        if (fabs(brg-psi) < 12.0) {
+            if (hat == 0) {
+                glBegin(GL_LINE_LOOP);
+                glVertex2f(((brg - psi) * 60 / 25) + 320, 240.0);
+                glVertex2f(((brg - psi) * 60 / 25) + 326, 240.0 - 4);
+                glVertex2f(((brg - psi) * 60 / 25) + 323, 240.0 - 4);
+                glVertex2f(((brg - psi) * 60 / 25) + 323, 240.0 - 8);
+                glVertex2f(((brg - psi) * 60 / 25) + 317, 240.0 - 8);
+                glVertex2f(((brg - psi) * 60 / 25) + 317, 240.0 - 4);
+                glVertex2f(((brg - psi) * 60 / 25) + 314, 240.0 - 4);
+                glEnd();
+
+            } else { //if hat=0
+                float x = (brg - psi) * 60 / 25 + 320, y = 240.0, r = 5.0;
+                float x1, y1;
+
+                glEnable(GL_POINT_SMOOTH);
+                glBegin(GL_POINTS);
+
+                for (int count = 0; count <= 200; count++) {
+                    float temp = count * 3.142 * 3 / (200.0 * 2.0);
+                    float temp1 = temp - (45.0 * SGD_DEGREES_TO_RADIANS);
+                    x1 = x + r * cos(temp1);
+                    y1 = y + r * sin(temp1);
+                    glVertex2f(x1, y1);
+                }
 
-  
-} 
-       //end suma
+                glEnd();
+                glDisable(GL_POINT_SMOOTH);
+            } //hat=0
 
-//begin suma
-       //  draws the nadir symbol  for lowest possible dive angle (i,e 90 degree dive angle)
+         } //brg<12
+     } // if waypoint_marker
+#endif
+}//draw
 
 
-void HudLadder ::
-drawNadir(float xfirst, float xlast, float yvalue)
+/******************************************************************/
+//  draws the zenith symbol  for highest possible climb angle (i.e. 90 degree climb angle)
+//
+void HudLadder::drawZenith(float xfirst, float xlast, float yvalue)
 {
+    float xcentre = (xfirst + xlast) / 2.0;
+    float ycentre = yvalue;
 
-            float xcentre = (xfirst + xlast)/2.0;
-                float ycentre = yvalue;    
+    Line(xcentre - 9.0, ycentre, xcentre - 3.0, ycentre + 1.3);
+    Line(xcentre - 9.0, ycentre, xcentre - 3.0, ycentre - 1.3);
 
+    Line(xcentre + 9.0, ycentre, xcentre + 3.0, ycentre + 1.3);
+    Line(xcentre + 9.0, ycentre, xcentre + 3.0, ycentre - 1.3);
 
-               float r = 7.5;
-               float x1,y1,x2,y2;
+    Line(xcentre, ycentre + 9.0, xcentre - 1.3, ycentre + 3.0);
+    Line(xcentre, ycentre + 9.0, xcentre + 1.3, ycentre + 3.0);
 
-       
-        // to draw a circle
+    Line(xcentre - 3.9, ycentre + 3.9, xcentre - 3.0, ycentre + 1.3);
+    Line(xcentre - 3.9, ycentre + 3.9, xcentre - 1.3, ycentre + 3.0);
 
-               float xcent1, xcent2, ycent1, ycent2;
-               xcent1 = xcentre + r * cos(0.0);
-               ycent1 = ycentre + r * sin(0.0);
-       for(int count=1; count<=400; count++) 
-               {  
-                       float temp = count * 2 * 3.142 / 400.0;
-                   xcent2 = xcentre + r * cos(temp); 
-                       ycent2 = ycentre + r * sin(temp);                           
-                       
-                       Line(xcent1, ycent1, xcent2, ycent2);
+    Line(xcentre + 3.9, ycentre + 3.9, xcentre + 1.3, ycentre+3.0);
+    Line(xcentre + 3.9, ycentre + 3.9, xcentre + 3.0, ycentre+1.3);
 
-                       xcent1 = xcent2;
-                       ycent1 = ycent2;
-               }     
-               
-               xcent2 = xcentre + r * cos(0.0);
-               ycent2 = ycentre + r * sin(0.0);
+    Line(xcentre - 3.9, ycentre - 3.9, xcentre - 3.0, ycentre-1.3);
+    Line(xcentre - 3.9, ycentre - 3.9, xcentre - 1.3, ycentre-2.6);
 
-        drawOneLine(xcent1, ycent1, xcent2, ycent2); //to connect last point to first point
-               //end circle
+    Line(xcentre + 3.9, ycentre - 3.9, xcentre + 3.0, ycentre-1.3);
+    Line(xcentre + 3.9, ycentre - 3.9, xcentre + 1.3, ycentre-2.6);
 
+    Line(xcentre - 1.3, ycentre - 2.6, xcentre, ycentre - 27.0);
+    Line(xcentre + 1.3, ycentre - 2.6, xcentre, ycentre - 27.0);
+}
 
-               Line(xcentre, ycentre+7.5, xcentre, ycentre+22.5); //to draw a line above the circle
 
-               Line(xcentre-7.5, ycentre, xcentre+7.5,ycentre); //line in the middle of circle
+//  draws the nadir symbol  for lowest possible dive angle (i.e. 90 degree dive angle)
+//
+void HudLadder::drawNadir(float xfirst, float xlast, float yvalue)
+{
+    float xcentre = (xfirst + xlast) / 2.0;
+    float ycentre = yvalue;
 
-               float theta = asin (2.5/7.5);
-               float theta1 = asin(5.0/7.5);
+    float r = 7.5;
+    float x1, y1, x2, y2;
 
-                x1 = xcentre + r * cos(theta);
-                y1 = ycentre + 2.5;
+    // to draw a circle
+    float xcent1, xcent2, ycent1, ycent2;
+    xcent1 = xcentre + r;
+    ycent1 = ycentre;
 
-                x2 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) - theta);
-                y2 = ycentre + 2.5;
+    for (int count = 1; count <= 400; count++) {
+        float temp = count * 2 * 3.142 / 400.0;
+        xcent2 = xcentre + r * cos(temp);
+        ycent2 = ycentre + r * sin(temp);
 
-                Line(x1,y1,x2,y2);
+        Line(xcent1, ycent1, xcent2, ycent2);
 
-               
-                x1 = xcentre + r * cos(theta1);
-                y1 = ycentre + 5.0;
+        xcent1 = xcent2;
+        ycent1 = ycent2;
+    }
 
-                x2 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS)-theta1);
-                y2 = ycentre + 5.0;
+    xcent2 = xcentre + r;
+    ycent2 = ycentre;
 
-                Line(x1,y1,x2,y2);
+    drawOneLine(xcent1, ycent1, xcent2, ycent2); //to connect last point to first point
+    //end circle
 
+    //to draw a line above the circle
+    Line(xcentre, ycentre + 7.5, xcentre, ycentre + 22.5);
 
-                x1 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) +theta);
-                y1 = ycentre - 2.5;
+    //line in the middle of circle
+    Line(xcentre - 7.5, ycentre, xcentre + 7.5, ycentre);
 
-                x2 = xcentre + r * cos((360.0* SGD_DEGREES_TO_RADIANS)-theta);
-                y2 = ycentre - 2.5;
+    float theta = asin (2.5 / 7.5);
+    float theta1 = asin(5.0 / 7.5);
 
-                Line(x1,y1,x2,y2);
+    x1 = xcentre + r * cos(theta);
+    y1 = ycentre + 2.5;
+    x2 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) - theta);
+    y2 = ycentre + 2.5;
+    Line(x1, y1, x2, y2);
 
-               
-                x1 = xcentre + r * cos((180.0* SGD_DEGREES_TO_RADIANS) +theta1);
-                y1 = ycentre - 5.0;
+    x1 = xcentre + r * cos(theta1);
+    y1 = ycentre + 5.0;
+    x2 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) - theta1);
+    y2 = ycentre + 5.0;
+    Line(x1, y1, x2, y2);
 
-                x2 = xcentre + r * cos((360.0* SGD_DEGREES_TO_RADIANS)-theta1);
-                y2 = ycentre - 5.0;
+    x1 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) + theta);
+    y1 = ycentre - 2.5;
+    x2 = xcentre + r * cos((360.0 * SGD_DEGREES_TO_RADIANS) - theta);
+    y2 = ycentre - 2.5;
+    Line(x1, y1, x2, y2);
 
-                Line(x1,y1,x2,y2);
+    x1 = xcentre + r * cos((180.0 * SGD_DEGREES_TO_RADIANS) + theta1);
+    y1 = ycentre - 5.0;
+    x2 = xcentre + r * cos((360.0 * SGD_DEGREES_TO_RADIANS) - theta1);
+    y2 = ycentre - 5.0;
+    Line(x1, y1, x2, y2);
+}
 
 
-}