X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCockpit%2Fhud.cxx;h=fa6f25f4d37025415ce34725cafb159cbb7da936;hb=29275ce1ecf9c4ea302aacca8c5ae5d4d3319a17;hp=0d773c8c945164775639ab5045c98e6011530dc8;hpb=cc26bb7fe73be1fa23b5e1c3b88f71e0d361a4c2;p=flightgear.git

diff --git a/src/Cockpit/hud.cxx b/src/Cockpit/hud.cxx
index 0d773c8c9..fa6f25f4d 100644
--- a/src/Cockpit/hud.cxx
+++ b/src/Cockpit/hud.cxx
@@ -20,6 +20,7 @@
 //
 // $Id$
 
+#include <simgear/compiler.h>
 
 #ifdef HAVE_CONFIG_H
 #  include <config.h>
@@ -36,25 +37,25 @@
 
 #include <GL/glut.h>
 #include <stdlib.h>
-#include <string.h>
-
-#ifdef HAVE_VALUES_H
-#  include <values.h>  // for MAXINT
-#endif
+#include STL_STRING
+#include STL_FSTREAM
 
 #include <simgear/constants.h>
 #include <simgear/debug/logstream.hxx>
-#include <simgear/math/fg_random.h>
-#include <simgear/math/polar3d.hxx>
+#include <simgear/misc/props.hxx>
+//#include <simgear/math/fg_random.h>
+//#include <simgear/math/polar3d.hxx>
 
 #include <Aircraft/aircraft.hxx>
+#include <Autopilot/newauto.hxx>
 #include <GUI/gui.h>
-#include <Main/options.hxx>
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
 #ifdef FG_NETWORK_OLK
 #include <NetworkOLK/network.h>
 #endif
 #include <Scenery/scenery.hxx>
-#include <Time/fg_timer.hxx>
+//#include <Time/fg_timer.hxx>
 
 #if defined ( __sun__ ) || defined ( __sgi )
 extern "C" {
@@ -77,6 +78,86 @@ fgTextList         HUD_TextList;
 fgLineList         HUD_LineList;
 fgLineList         HUD_StippleLineList;
 
+fntRenderer *HUDtext = 0;
+float  HUD_TextSize = 0;
+int HUD_style = 0;
+
+float HUD_matrix[16];
+static float hud_trans_alpha = 0.67f;
+
+
+//$$$ begin - added, Neetha, 28 Nov 2k
+
+static string	name;
+static int		x;
+static int		y;
+static UINT    width;
+static UINT    height;
+static float	factor;
+static float   span_units;
+static float   division_units;
+static float   minor_division = 0;
+static UINT    screen_hole;
+static UINT    lbl_pos;
+static bool    working;
+static string  loadfn;
+static UINT	options;
+static float   maxValue;
+static float   minValue;
+static float   scaling;
+static UINT    major_divs;
+static UINT    minor_divs;
+static UINT    modulator;
+static int     dp_showing = 0;
+static string  label_format;
+static string  prelabel;
+static string  postlabel;
+static int     justi;
+static int		blinking;
+static float   maxBankAngle;
+static float   maxSlipAngle;
+static UINT    gap_width;
+static bool	latitude;
+static bool	longitude;
+static bool	tick_bottom;
+static bool	tick_top;
+static bool	tick_right;
+static bool	tick_left;
+static bool	cap_bottom;
+static bool	cap_top;
+static bool	cap_right;
+static bool	cap_left;
+static float   marker_off;
+static string  type;
+static bool    enable_pointer;
+static string  type_pointer;
+static bool    frl_spot;
+static bool	target;
+static bool    vel_vector;
+static bool    drift;
+static bool    alpha;
+static bool	energy;
+static bool	climb_dive;
+static bool	glide;
+static float	glide_slope_val;
+static bool	worm_energy;
+static bool	waypoint;
+
+static FLTFNPTR load_fn;    
+static fgLabelJust justification;
+static const char *pre_label_string  = 0;
+static const char *post_label_string = 0;
+
+int readHud( istream &input );
+int readInstrument ( const SGPropertyNode * node);
+static instr_item * readLadder ( const SGPropertyNode * node);
+static instr_item * readCard ( const SGPropertyNode * node);
+static instr_item * readLabel( const SGPropertyNode * node);
+static instr_item * readTBI( const SGPropertyNode * node);
+//$$$ end   - added, Neetha, 28 Nov 2k
+
+void fgHUDalphaInit( void );
+
 class locRECT {
   public:
     RECT rect;
@@ -95,6 +176,7 @@ locRECT :: locRECT( UINT left, UINT top, UINT right, UINT bottom)
 }
 // #define DEBUG
 
+#ifdef OLD_CODE
 void drawOneLine( UINT x1, UINT y1, UINT x2, UINT y2)
 {
   glBegin(GL_LINES);
@@ -121,7 +203,6 @@ void textString( int x, int y, char *msg, void *font ){
     if(*msg)
     {
 //      puDrawString (  NULL, msg, x, y );
-        
         glRasterPos2f(x, y);
         while (*msg) {
             glutBitmapCharacter(font, *msg);
@@ -167,6 +248,7 @@ int getStringWidth ( char *str )
     }
     return 0 ;
 }
+#endif // OLD_CODE
 
 //========================= End of Class Implementations===================
 // fgHUDInit
@@ -180,478 +262,475 @@ int getStringWidth ( char *str )
 
 #define INSTRDEFS 21
 
-int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
+//$$$ begin - added, Neetha, 28 Nov 2k
+static instr_item * 
+readLadder(const SGPropertyNode * node)
 {
-  instr_item *HIptr;
-//  int index;
-  int font_size;
-
-//  int off = 50;
-  int min_x = 25; //off/2;
-  int max_x = 615; //640-(off/2);
-//  int min_y = off;
-  int max_y = 430; //480-off;
-  int cen_x = 320;
-  int cen_y = 240;
-  unsigned int text_h = 10;
-  unsigned int ladr_w2 = 60;
-  int ladr_h2 = 90;
-  int ladr_t = 35;
-  int compass_w = 200;
-  int gap = 10;
-
-  font_size = (current_options.get_xsize() > 1000) ? LARGE : SMALL;
-  
-  HUD_style = 1;
-
-  FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
-
-//  deque < instr_item * > :: iterator first = HUD_deque.begin();
-//  deque < instr_item * > :: iterator last = HUD_deque.end();
-//  HUD_deque.erase( first, last);  // empty the HUD deque  
-
-  HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());  // empty the HUD deque
-
-//  hud->code = 1;
-//  hud->status = 0;
-
-  // For now lets just hardcode the hud here.
-  // In the future, hud information has to come from the same place
-  // aircraft information came from.
-
-//  fgHUDSetTimeMode( hud, NIGHT );
-//  fgHUDSetBrightness( hud, BRT_LIGHT );
-
-//      case 0:     // TBI
-//  int x = 290; /*cen_x-30*/
-//  int y = 45;  /*off-5*/
-//  HIptr = (instr_item *) new fgTBI_instr( x, y, ladr_w2, text_h );
-  HIptr = (instr_item *) new fgTBI_instr( 290, 45, 60, 10 );  
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 1:     // Artificial Horizon
-  HIptr = (instr_item *) new HudLadder( cen_x-ladr_w2, cen_y-ladr_h2,
-                                        2*ladr_w2, 2*ladr_h2 );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 4:    // GYRO COMPASS
-  HIptr = (instr_item *) new hud_card( cen_x-(compass_w/2),
-                                       max_y,
-                                       compass_w,
-                                       28,
-                                       get_heading,
-                                       HUDS_TOP,
-                                       360, 0,
-                                       1.0,
-                                       5,   1,
-                                       360,
-                                       0,
-                                       25,
-                                       true);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 5:    // AMSL
-  HIptr = (instr_item *) new hud_card( max_x - 35 -15, // 15 to balance speed card
-                                       cen_y-(compass_w/2),
-                                       35,
-                                       compass_w,
-                                       get_altitude,
-//                                     HUDS_RIGHT | HUDS_VERT,
-                                       HUDS_LEFT | HUDS_VERT,
-                                       5000, -1000,
-                                       1.0,
-                                       100,  25,
-                                       0,
-                                       0,
-                                       250,
-                                       true);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 6:
-  HIptr = (instr_item *) new  guage_instr( cen_x-50,            // x
-                                           cen_y + ladr_h2 -20,  // y
-                                           100,            // width
-                                           20,            // height
-                                           get_aileronval, // data source
-                                           HUDS_BOTTOM | HUDS_NOTEXT,
-                                           100.0,
-                                           +1.0,
-                                           -1.0);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 3:    // Radio Altimeter
-  HIptr = (instr_item *) new hud_card( cen_x + ladr_w2 + gap + 13 + ladr_t,
-                                       cen_y-75,
-                                       25,
-                                       150,
-                                       get_agl,
-                                       HUDS_LEFT | HUDS_VERT,
-                                       1000, 0,
-                                       1.0,
-                                       25, 5,
-                                       0,
-                                       0,
-                                       200.0,
-                                       true);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 7:
-  HIptr = (instr_item *) new  guage_instr( cen_x -ladr_w2 -gap -13 -20 -ladr_t,
-                                           cen_y-50,             // y
-                                           20,             // width
-                                           100,             // height
-                                           get_elevatorval, // data source
-                                           HUDS_RIGHT | HUDS_VERT | HUDS_NOTEXT,
-                                           -100.0,           // Scale data
-                                           +1.0,           // Data Range
-                                           -1.0);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 8:
-  HIptr = (instr_item *) new  guage_instr( cen_x-50,             // x
-                                           cen_y -gap -ladr_w2 -20, //-85   // y
-                                           100,             // width
-                                           20,             // height
-                                           get_rudderval,   // data source
-                                           HUDS_TOP | HUDS_NOTEXT,
-                                           100.0,
-                                           +1.0,
-                                           -1.0);
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 2:    // KIAS
-  HIptr = (instr_item *) new hud_card( min_x +10 +5, //min_x +18,
-                                       cen_y-(compass_w/2),
-                                       28,
-                                       compass_w,
-                                       get_speed,
-//                                     HUDS_LEFT | HUDS_VERT,
-                                       HUDS_RIGHT | HUDS_VERT,                                     
-                                       200.0, 0.0,
-                                       1.0,
-                                       10,  5,
-                                       0,
-                                       0,
-                                       50.0,
-                                       true);
 
-  
+	instr_item *p;
+
+				name			= node->getStringValue("name");
+				x				= node->getIntValue("x");
+				y				= node->getIntValue("y");
+				width			= node->getIntValue("width");
+				height			= node->getIntValue("height");
+				factor			= node->getFloatValue("compression_factor");
+				span_units		= node->getFloatValue("span_units");
+				division_units	= node->getFloatValue("division_units");
+				screen_hole		= node->getIntValue("screen_hole");
+				lbl_pos			= node->getIntValue("lbl_pos");
+				frl_spot		= node->getBoolValue("enable_frl",false);
+				target			= node->getBoolValue("enable_target_spot",false);
+				vel_vector		= node->getBoolValue("enable_velocity_vector",false);
+				drift			= node->getBoolValue("enable_drift_marker",false);
+				alpha			= node->getBoolValue("enable_alpha_bracket",false);
+				energy			= node->getBoolValue("enable_energy_marker",false);
+				climb_dive		= node->getBoolValue("enable_climb_dive_marker",false);
+				glide			= node->getBoolValue("enable_glide_slope_marker",false);
+				glide_slope_val	= node->getFloatValue("glide_slope",-4.0);
+				worm_energy		= node->getBoolValue("enable_energy_marker",false);
+				waypoint		= node->getBoolValue("enable_waypoint_marker",false);
+				working			= node->getBoolValue("working");
+
+				FG_LOG(FG_INPUT, FG_INFO, "Done reading instrument " << name);
+	
+				
+				p = (instr_item *) new HudLadder( name, x, y,
+                                        width, height, factor,
+										get_roll, get_pitch,
+										span_units, division_units, minor_division,
+										screen_hole, lbl_pos, frl_spot, target, vel_vector, 
+										drift, alpha, energy, climb_dive, 
+										glide, glide_slope_val, worm_energy, 
+										waypoint, working);
+				
+				return p;
+		
+} //end readLadder
+
+static instr_item * 
+readCard(const SGPropertyNode * node)
+{
+
+	instr_item *p;
+
+				name			= node->getStringValue("name");
+				x				= node->getIntValue("x");
+				y				= node->getIntValue("y");
+				width			= node->getIntValue("width");
+				height			= node->getIntValue("height");
+				loadfn			= node->getStringValue("loadfn");
+				options			= node->getIntValue("options");
+				maxValue		= node->getFloatValue("maxValue");
+				minValue		= node->getFloatValue("minValue");
+				scaling			= node->getFloatValue("disp_scaling");
+				major_divs		= node->getIntValue("major_divs");
+				minor_divs		= node->getIntValue("minor_divs");
+				modulator		= node->getIntValue("modulator");
+				span_units		= node->getFloatValue("value_span");
+				type			= node->getStringValue("type");
+				tick_bottom	    = node->getBoolValue("tick_bottom",false);
+				tick_top		= node->getBoolValue("tick_top",false);
+				tick_right		= node->getBoolValue("tick_right",false);
+				tick_left		= node->getBoolValue("tick_left",false);
+				cap_bottom		= node->getBoolValue("cap_bottom",false);
+				cap_top			= node->getBoolValue("cap_top",false);
+				cap_right		= node->getBoolValue("cap_right",false);
+				cap_left		= node->getBoolValue("cap_left",false);
+				marker_off		= node->getFloatValue("marker_offset",0.0);
+				enable_pointer	= node->getBoolValue("enable_pointer",true);
+				type_pointer	= node->getStringValue("pointer_type");
+				working			= node->getBoolValue("working");
+
+
+				FG_LOG(FG_INPUT, FG_INFO, "Done reading instrument " << name);
+
+
+				if(type=="guage")
+					span_units = maxValue - minValue;
+
+				if(loadfn=="anzg")
+					load_fn = get_anzg;
+				else				
+				if(loadfn=="heading")
+					load_fn = get_heading;
+				else
+				if(loadfn=="aoa")
+					load_fn = get_aoa;
+				else
+				if(loadfn=="climb")
+					load_fn = get_climb_rate;
+				else
+				if(loadfn=="altitude")
+					load_fn = get_altitude;
+				else
+				if(loadfn=="agl")
+					load_fn = get_agl;
+				else
+				if(loadfn=="speed")
+					load_fn = get_speed;
+				else
+				if(loadfn=="view_direction")
+					load_fn = get_view_direction;
+				else
+				if(loadfn=="aileronval")
+					load_fn = get_aileronval;
+				else
+				if(loadfn=="elevatorval")
+					load_fn = get_elevatorval;
+				else
+				if(loadfn=="rudderval")
+					load_fn = get_rudderval;
+				else
+				if(loadfn=="throttleval")
+					load_fn = get_throttleval;
+
+
+				p = (instr_item *) new hud_card(	x,
+														y,  
+														width,
+														height,
+					                                    load_fn,
+														options,
+														maxValue, minValue,
+														scaling,
+														major_divs, minor_divs,
+														modulator,
+														dp_showing,
+														span_units,
+														type,
+														tick_bottom,
+														tick_top,
+														tick_right,
+														tick_left,
+														cap_bottom,
+														cap_top,
+														cap_right,
+														cap_left,
+														marker_off,
+														enable_pointer,
+														type_pointer,
+														working);
+					return p;
+}// end readCard
+
+static instr_item *
+readLabel(const SGPropertyNode * node)
+{
+	instr_item *p;
+
+	int font_size = (fgGetInt("/sim/startup/xsize") > 1000) ? LARGE : SMALL;
+
+				name				= node->getStringValue("name");
+				x                   = node->getIntValue("x");
+				y                   = node->getIntValue("y");
+				width               = node->getIntValue("width");
+				height				= node->getIntValue("height");
+				loadfn				= node->getStringValue("data_source");
+				label_format		= node->getStringValue("label_format");
+				prelabel			= node->getStringValue("pre_label_string");
+				postlabel			= node->getStringValue("post_label_string");
+				scaling				= node->getFloatValue("scale_data");
+				options				= node->getIntValue("options");
+				justi				= node->getIntValue("justification");
+				blinking            = node->getIntValue("blinking");
+				latitude			= node->getBoolValue("latitude",false);
+				longitude			= node->getBoolValue("longitude",false);
+				working             = node->getBoolValue("working");
+
+
+				FG_LOG(FG_INPUT, FG_INFO, "Done reading instrument " << name);
+
+
+				if(justi==0)
+					justification = LEFT_JUST;
+				else
+				if(justi==1)
+					justification = CENTER_JUST;
+				else
+				if(justi==2)
+					justification = RIGHT_JUST;
+
+
+				if(prelabel=="NULL")
+					pre_label_string = NULL;
+				else
+				if(prelabel=="blank")
+					pre_label_string = " ";
+				else
+					pre_label_string = prelabel.c_str();
+
+
+				if(postlabel=="blank")
+					post_label_string = " ";
+				else
+				if(postlabel=="NULL")
+					post_label_string = NULL;
+				else
+				if(postlabel=="units")
+					post_label_string = units;
+				else
+					post_label_string = postlabel.c_str();
  
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
+
+				if(loadfn=="aux16")
+					load_fn = get_aux16;
+				else
+				if(loadfn=="aux17")
+					load_fn = get_aux17;
+				else
+				if(loadfn=="aux9")
+					load_fn = get_aux9;
+				else
+				if(loadfn=="aux11")
+					load_fn = get_aux11;
+				else
+				if(loadfn=="aux12")
+					load_fn = get_aux12;
+				else
+				if(loadfn=="aux10")
+					load_fn = get_aux10;
+				else
+				if(loadfn=="aux13")
+					load_fn = get_aux13;
+				else
+				if(loadfn=="aux14")
+					load_fn = get_aux14;
+				else
+				if(loadfn=="aux15")
+					load_fn = get_aux15;
+				else
+				if(loadfn=="aux8")
+					load_fn = get_aux8;
+				else
+				if(loadfn=="ax")
+					load_fn = get_Ax;
+				else
+				if(loadfn=="speed")
+					load_fn = get_speed;
+				else
+				if(loadfn=="mach")
+					load_fn = get_mach;
+				else
+				if(loadfn=="altitude")
+					load_fn = get_altitude;
+				else
+				if(loadfn=="agl")
+					load_fn = get_agl;
+				else
+				if(loadfn=="framerate")
+					load_fn = get_frame_rate;
+				else
+				if(loadfn=="heading")
+					load_fn = get_heading;
+				else
+				if(loadfn=="fov")
+					load_fn = get_fov;
+				else
+				if(loadfn=="vfc_tris_culled")
+					load_fn = get_vfc_tris_culled;
+				else
+				if(loadfn=="vfc_tris_drawn")
+					load_fn = get_vfc_tris_drawn;
+				else
+				if(loadfn=="aoa")
+					load_fn = get_aoa;
+				else
+				if(loadfn=="latitude")
+					load_fn  = get_latitude;
+				else
+				if(loadfn=="longitude")
+					load_fn   = get_longitude;
+
+
+				p = (instr_item *) new instr_label ( x,
+                                                 y,
+                                                 width,
+                                                 height,
+                                                 load_fn,
+											     label_format.c_str(),
+                                                 pre_label_string,
+												 post_label_string,
+                                                 scaling,
+                                                 options,
+                                                 justification,
+												 font_size,
+                                                 blinking,
+												 latitude,
+                                                 longitude,
+												 working);
+
+				return p;
+
+} // end readLabel
+
+static instr_item * 
+readTBI(const SGPropertyNode * node)
+{
+
+	instr_item *p;
+
+				name           = node->getStringValue("name");
+				x              = node->getIntValue("x");
+				y              = node->getIntValue("y");
+				width          = node->getIntValue("width");
+				height         = node->getIntValue("height");
+				maxBankAngle   = node->getFloatValue("maxBankAngle");
+				maxSlipAngle   = node->getFloatValue("maxSlipAngle");
+				gap_width      = node->getIntValue("gap_width");
+				working        = node->getBoolValue("working");
+
+				FG_LOG(FG_INPUT, FG_INFO, "Done reading instrument " << name);
+
+
+				p = (instr_item *) new fgTBI_instr(	x,
+														y,  
+														width,
+														height,
+														get_roll,
+														get_sideslip,
+														maxBankAngle, 
+														maxSlipAngle,
+														gap_width,
+														working);
+
+				return p;
+} //end readTBI
+
+
+int readInstrument(const SGPropertyNode * node)
+{
+
+	instr_item *HIptr;
     
+    if ( fgGetString("/sim/startup/units") == "feet" ) {
+    strcpy(units, " ft");
+    } else {
+    strcpy(units, " m");
+    }
+
+			const SGPropertyNode * ladder_group = node->getNode("ladders");
+
+			if (ladder_group != 0) {
+				int nLadders = ladder_group->nChildren();
+				for (int j = 0; j < nLadders; j++) {
+
+					HIptr = readLadder(ladder_group->getChild(j));
+					HUD_deque.insert( HUD_deque.begin(), HIptr);
+					
+				}// for - ladders
+			}
+
+			const SGPropertyNode * card_group = node->getNode("cards");
+			if (card_group != 0) {
+				int nCards = card_group->nChildren();
+				for (int j = 0; j < nCards; j++) {
+
+					HIptr = readCard(card_group->getChild(j));
+					HUD_deque.insert( HUD_deque.begin(), HIptr);
+
+				}//for - cards
+			}
+
+			const SGPropertyNode * label_group = node->getNode("labels");
+			if (label_group != 0) {
+				int nLabels = label_group->nChildren();
+				for (int j = 0; j < nLabels; j++) {
+
+					HIptr = readLabel(label_group->getChild(j));
+					HUD_deque.insert( HUD_deque.begin(), HIptr);
+
+				}//for - labels
+			}
+
+			const SGPropertyNode * tbi_group = node->getNode("tbis");
+			if (tbi_group != 0) {
+				int nTbis = tbi_group->nChildren();
+				for (int j = 0; j < nTbis; j++) {
+
+					HIptr = readTBI(tbi_group->getChild(j));
+					HUD_deque.insert( HUD_deque.begin(), HIptr);
+
+				}//for - tbis
+			}
+ return 0;
+}//end readinstrument
 
-//      case 10:    // Digital Mach number
-        HIptr = (instr_item *) new instr_label ( min_x , //same as speed tape
-                                                 cen_y-(compass_w/2) -10, //below speed tape
-                                                  40,
-                                                  30,
-                                                 get_mach,
-                                                 "%4.2f",
-                                                 "",
-                                                 NULL,
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 9:
-  HIptr = (instr_item *) new  guage_instr( min_x-10,           // x
-                                           cen_y -75,       // y 
-                                           20,              // width
-                                           150,             // height
-                                           get_throttleval, // data source
-//                                         HUDS_VERT | HUDS_RIGHT | HUDS_NOTEXT,
-                                           HUDS_VERT | HUDS_LEFT | HUDS_NOTEXT,                                        100.0,
-                                           1.0,
-                                           0.0
-                                          );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-// Remove this when below uncommented       
-//      case 10:
-  HIptr = (instr_item *) new instr_label( 10,
-                                          25,
-                                          60,
-                                          10,
-                                          get_frame_rate,
-                                          "%5.1f",
-                                          "",
-                                          NULL,
-                                          1.0,
-                                          HUDS_TOP,
-                                          RIGHT_JUST,
-                                          font_size,
-                                          0,
-                                          TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
+int readHud( istream &input ) 
+{
+
+	SGPropertyNode root;
+
+
+	if (!readProperties(input, &root)) {
+		FG_LOG(FG_INPUT, FG_ALERT, "Malformed property list for hud.");
+		return 0;
+	}
   
-  HIptr = (instr_item *) new lat_label(  (cen_x - (compass_w/2))/2,
-                                          max_y,    
-                                          1,
-                                          text_h,
-                                          get_latitude,
-                                          "%s%", //"%.0f",
-                                          "", //"Lat ",
-                                          "",
-                                          1.0,
-                                          HUDS_TOP,
-                                          CENTER_JUST,
-                                          font_size,
-                                          0,
-                                          TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-    
-    HIptr = (instr_item *) new lon_label(((cen_x+compass_w/2)+(2*cen_x))/2,
-                                          max_y,
-                                          1, text_h,
-                                          get_longitude,
-                                          "%s%",//"%.0f",
-                                          "", //"Lon ", 
-                                          "",
-                                          1.0,
-                                          HUDS_TOP,
-                                          CENTER_JUST,
-                                          font_size,
-                                          0,
-                                          TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-    
-/*
-//      case 10:    // Digital KIAS
-        HIptr = (instr_item *) new instr_label ( 110,
-                                                 150,
-                                                  40,
-                                                  30,
-                                                 get_speed,
-                                                 "%5.0f",
-                                                 NULL,
-                                                 " Kts",
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 11:    // Digital Rate of Climb
-        HIptr = (instr_item *) new instr_label ( 110,
-                                                 135,
-                                                  40,
-                                                  10,
-                                                 get_climb_rate,
-                                                 "%5.0f",
-                                                 " Climb",
-                                                 NULL,
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 12:    // Roll indication diagnostic
-        HIptr = (instr_item *) new instr_label ( 110,
-                                                 120,
-                                                  40,
-                                                  10,
-                                                 get_roll,
-                                                 "%5.2f",
-                                                 " Roll",
-                                                 " Deg",
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 13:    // Angle of attack diagnostic
-        HIptr = (instr_item *) new instr_label ( 440,
-                                                 150,
-                                                  60,
-                                                  10,
-                                                 get_aoa,
-                                                 "      %5.2f",
-                                                 "AOA",
-                                                 " Deg",
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 14:
-        HIptr = (instr_item *) new instr_label ( 440,
-                                                 135,
-                                                  60,
-                                                  10,
-                                                 get_heading,
-                                                 " %5.1f",
-                                                 "Heading ",
-                                                 " Deg",
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 15:
-        HIptr = (instr_item *) new instr_label ( 440,
-                                                 120,
-                                                  60,
-                                                  10,
-                                                 get_sideslip,
-                                                 "%5.2f",
-                                                 "Sideslip ",
-                                                 NULL,
-                                                 1.0,
-                                                 HUDS_TOP,
-                                                 RIGHT_JUST,
-                                                 font_size,
-                                                 0,
-                                                 TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 16:
-        HIptr = (instr_item *) new instr_label( 440,
-                                                100,
-                                                 60,
-                                                 10,
-                                                get_throttleval,
-                                                "%5.2f",
-                                                "Throttle ",
-                                                NULL,
-                                                 1.0,
-                                                HUDS_TOP,
-                                                RIGHT_JUST,
-                                                font_size,
-                                                0,
-                                                TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 17:
-        HIptr = (instr_item *) new instr_label( 440,
-                                                 85,
-                                                 60,
-                                                 10,
-                                                get_elevatorval,
-                                                "%5.2f",
-                                                "Elevator ",
-                                                NULL,
-                                                 1.0,
-                                                HUDS_TOP,
-                                                RIGHT_JUST,
-                                                font_size,
-                                                0,
-                                                TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 18:
-        HIptr = (instr_item *) new instr_label( 440,
-                                                 60,
-                                                 60,
-                                                 10,
-                                                get_aileronval,
-                                                "%5.2f",
-                                                "Aileron  ",
-                                                NULL,
-                                                 1.0,
-                                                HUDS_TOP,
-                                                RIGHT_JUST,
-                                                font_size,
-                                                0,
-                                                TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 19:
-        HIptr = (instr_item *) new instr_label( 10,
-                                                10,
-                                                60,
-                                                10,
-                                                 get_frame_rate,
-                                                "%.1f",
-                                                "Frame rate = ",
-                                                NULL,
-                                                 1.0,
-                                                HUDS_TOP,
-                                                RIGHT_JUST,
-                                                font_size,
-                                                0,
-                                                TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-
-//      case 20:
-      switch( current_options.get_tris_or_culled() ) {
-      case 0:
-          HIptr = (instr_item *) new instr_label( 10,
-                              25,
-                              120,
-                              10,
-                              get_vfc_tris_drawn,
-                              "%.0f",
-                              "Tris Rendered = ",
-                              NULL,
-                              1.0,
-                              HUDS_TOP,
-                              RIGHT_JUST,
-                              font_size,
-                              0,
-                              TRUE );
-          break;
-      case 1:
-          HIptr = (instr_item *) new instr_label( 10,
-                              25,
-                              90,
-                              10,
-                              get_vfc_ratio,
-                              "%.2f",
-                              "VFC Ratio = ",
-                              NULL,
-                              1.0,
-                              HUDS_TOP,
-                              RIGHT_JUST,
-                              font_size,
-                              0,
-                              TRUE );
-          break;
-      }
-      break;
-
-//      case 21:
-        HIptr = (instr_item *) new instr_label( 10,
-                                                40,
-                                                90,
-                                                10,
-                                                get_fov,
-                                                "%.1f",
-                                                "FOV = ",
-                                                NULL,
-                        1.0,
-                                                HUDS_TOP,
-                                                RIGHT_JUST,
-                                                font_size,
-                                                0,
-                                                TRUE );
-  HUD_deque.insert( HUD_deque.begin(), HIptr);
-*/
-//      default:
-//        HIptr = 0;;
-//      }
-//    if( HIptr ) {                   // Anything to install?
-//      HUD_deque.insert( HUD_deque.begin(), HIptr);
-//      }
-//    index++;
-//    }
-//  while( HIptr );
+	
+	FG_LOG(FG_INPUT, FG_INFO, "Read properties for  " <<
+		root.getStringValue("name"));
+
+
+	HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());  // empty the HUD deque
+
+
+	FG_LOG(FG_INPUT, FG_INFO, "Reading Hud instruments");
+
+	const SGPropertyNode * instrument_group = root.getChild("instruments");
+	int nInstruments = instrument_group->nChildren();
+
+	for (int i = 0; i < nInstruments; i++) {
+		
+		const SGPropertyNode * node = instrument_group->getChild(i);
+
+		FGPath path( globals->get_fg_root() );
+		path.append(node->getStringValue("path"));
+
+		FG_LOG(FG_INPUT, FG_INFO, "Reading Instrument "
+		<< node->getName()
+		<< " from "
+		<< path.str());
+
+
+		SGPropertyNode root2;
+		if (readProperties(path.str(), &root2)) {
+
+			readInstrument(&root2);
+
+		}//if
+	}//for loop(i)
+ return 0;
+}
+
+
+int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
+{
+
+
+	HUD_style = 1;
+
+	FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
+
+    string hud_path =
+	fgGetString("/sim/hud/path", "Huds/Default/default.xml");
+	FGPath path(globals->get_fg_root());
+	path.append(hud_path);
+	
+	ifstream input(path.c_str());
+	if (!input.good()) 
+		{
+			FG_LOG(FG_INPUT, FG_ALERT,
+			"Cannot read Hud configuration from " << path.str());
+		} 
+	else 
+		{
+			readHud(input);
+			input.close();
+		}
+
+	fgHUDalphaInit();
+	fgHUDReshape();
 
   return 0;  // For now. Later we may use this for an error code.
 
@@ -659,509 +738,239 @@ int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
 
 int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ )
 {
-//    instr_item *HIptr;
-//    int index;
-    int font_size;
-
-    int off = 50;
-//  int min_x = off;
-//  int max_x = 640-off;
-//  int min_y = off;
-    int max_y = 480-off;
-    int cen_x = 640 / 2;
-    int cen_y = 480 / 2;
-    int text_h = 10;
-    int ladr_w2 = 60;
-    int ladr_h2 = 90;
-//  int ladr_t = 35;
-    int compass_w = 200;
-//  int gap = 10;
-
-    font_size = (current_options.get_xsize() > 1000) ? LARGE : SMALL;
 
     HUD_style = 2;
 
     FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
 
-//  deque < instr_item * > :: iterator first = HUD_deque.begin();
-//  deque < instr_item * > :: iterator last = HUD_deque.end();
-//  HUD_deque.erase( first, last);  // empty the HUD deque  
-    HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());
-
-    //  hud->code = 1;
-    //  hud->status = 0;
-
-    // For now lets just hardcode the hud here.
-    // In the future, hud information has to come from the same place
-    // aircraft information came from.
-
-    //  fgHUDSetTimeMode( hud, NIGHT );
-    //  fgHUDSetBrightness( hud, BRT_LIGHT );
-
-    //  index = 0;
-//    index = 19;  
-
-    instr_item* p;
-
-    p = new HudLadder( cen_x-ladr_w2, cen_y-ladr_h2, 2*ladr_w2, 2*ladr_h2, 1 );
-    HUD_deque.push_front( p );
-
-//      case 4:    // GYRO COMPASS
-    p =new hud_card( cen_x-(compass_w/2),
-                     max_y,
-                     compass_w,
-                     28,
-                     get_view_direction,
-                     HUDS_TOP,
-                     360, 0,
-                     1.0,
-                     5,   1,
-                     360,
-                     0,
-                     25,
-                     true);
-    HUD_deque.push_front( p );
-
-    p = new lat_label( (cen_x - compass_w/2)/2,
-                       max_y,
-                       0, text_h,
-                       get_latitude,
-                       "%s%", //"%.0f",
-                       "", //"Lat ",
-                       "",
-                       1.0,
-                       HUDS_TOP,
-                       CENTER_JUST,
-                       font_size,
-                       0,
-                       TRUE );
-    HUD_deque.push_front( p );
-    
-//    p = new instr_label( 140, 450, 60, 10,
-//           get_lat_min,
-//           "%05.2f",
-//           "",
-//           NULL,
-//           1.0,
-//           HUDS_TOP,
-//           CENTER_JUST,
-//           font_size,
-//           0,
-//           TRUE );
-//    HUD_deque.push_front( p );
-    
-    p = new lon_label(((cen_x+compass_w/2)+(2*cen_x))/2,
-                       max_y,
-                       1, text_h,
-                       get_longitude,
-                       "%s%",//"%.0f",
-                       "", //"Lon ",
-                       "",
-                       1.0,
-                       HUDS_TOP,
-                       CENTER_JUST,
-                       font_size,
-                       0,
-                       TRUE );
-    HUD_deque.push_front( p );
-    
-    int x_pos = 40;
-    
-    p = new instr_label( x_pos, 25, 60, 10,
-                         get_frame_rate,
-                         "%7.1f",
-                         "Frame rate =",
-                         NULL,
-                         1.0,
-                         HUDS_TOP,
-                         LEFT_JUST,
-                         font_size,
-                         0, 
-                         TRUE );
-    HUD_deque.push_front( p );
-#if 0
-    p = new instr_label( x_pos, 40, 120, 10,
-                         get_vfc_tris_culled,
-                         "%7.0f",
-                         "Culled       =",
-                         NULL,
-                         1.0,
-                         HUDS_TOP,
-                         LEFT_JUST,
-                         font_size,
-                         0,
-                         TRUE );
-    HUD_deque.push_front( p );
-
-    p = new instr_label( x_pos, 55, 120, 10,
-                         get_vfc_tris_drawn,
-                         "%7.0f",
-                         "Rendered   =",
-                         NULL,
-                         1.0,
-                         HUDS_TOP,
-                         LEFT_JUST,
-                         font_size,
-                         0,
-                         TRUE );
-    HUD_deque.push_front( p );
-#endif // 0
-	
-//    p = new instr_label( x_pos, 70, 90, 10,
-    p = new instr_label( x_pos, 40, 90, 10,
-                         get_fov,
-                         "%7.1f",
-                         "FOV          = ",
-                         NULL,
-                         1.0,
-                         HUDS_TOP,
-                         LEFT_JUST,
-                         font_size,
-                         0,
-                         TRUE );
-    HUD_deque.push_front( p );
-
-    x_pos = 480;
-    
-    p = new instr_label ( x_pos,
-                          70,
-                          60,
-                          10,
-                          get_aoa,
-                          "%7.2f",
-                          "AOA      ",
-                          " Deg",
-                          1.0,
-                          HUDS_TOP,
-                          LEFT_JUST,
-                          font_size,
-                          0,
-                          TRUE );
-    HUD_deque.push_front( p );
-
-    p = new instr_label( x_pos, 55, 40, 30,
-                         get_speed,
-                         "%5.0f",
-                         "Airspeed ",
-                         " Kts",
-                         1.0,
-                         HUDS_TOP,
-                         LEFT_JUST,
-                         font_size,
-                         0,
-                         TRUE );
-    HUD_deque.push_front( p );
-
-    if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
-    strcpy(units, " ft");
-    } else {
-    strcpy(units, " m");
-    }
-    p = new instr_label( x_pos, 40, 40, 10,
-             get_altitude,
-             "%5.0f",
-             "Altitude ",
-             units,
-             1.0,
-             HUDS_TOP,
-             LEFT_JUST,
-             font_size,
-             0,
-             TRUE );
-    HUD_deque.push_front( p );
-
-    p = new instr_label( x_pos, 25, 40, 10,
-             get_agl,
-             "%5.0f",
-             "Elvation ",
-             units,
-             1.0,
-             HUDS_TOP,
-             LEFT_JUST,
-             font_size,
-             0,
-             TRUE );
-    HUD_deque.push_front( p );
-
-    p = new instr_label( x_pos, 10, 60, 10,
-             get_heading,
-             "%5.1f",
-             "Heading  ",
-             " Deg",
-             1.0,
-             HUDS_TOP,
-             LEFT_JUST,
-             font_size,
-             0,
-             TRUE );
-    HUD_deque.push_front( p );
-
-    p = new fgTBI_instr( 290, 55, 60, 10 ); // 270
-    HUD_deque.push_front( p );
-    
-    p = new  guage_instr( 270, //250,            // x
-                          390, //360, //400, //45, //420,            // y
-                          100,            // width
-                          20,            // height
-                          get_aileronval, // data source
-                          HUDS_BOTTOM | HUDS_NOTEXT,
-                          100.0,
-                          +1.0,
-                          -1.0);
-    HUD_deque.push_front( p );
-
-    p = new  guage_instr( 20,             // x
-                          240-50,             // y
-                          20,             // width
-                          100,             // height
-                          get_elevatorval, // data source
-                          HUDS_RIGHT | HUDS_VERT | HUDS_NOTEXT,
-                          -100.0,           // Scale data
-                          +1.0,           // Data Range
-                          -1.0);
-    HUD_deque.push_front( p );
-
-    p = new  guage_instr( 270, //250,             // x
-                          10+15,             // y
-                          100,             // width
-                          20,             // height
-                          get_rudderval,   // data source
-                          HUDS_TOP | HUDS_NOTEXT,
-                          100.0,
-                          +1.0,
-                          -1.0);
-    HUD_deque.push_front( p );
-
-    p = new  guage_instr( 600,             // x
-                          240-80,
-                          20,
-                          160,             // height
-                          get_throttleval, // data source
-                          HUDS_VERT | HUDS_LEFT | HUDS_NOTEXT,
-                          100.0,
-                          1.0,
-                          0.0);
-    HUD_deque.push_front( p );
-    
+	FGPath path(globals->get_fg_root());
+	path.append("Huds/Minimal/default.xml");
+
+
+	ifstream input(path.c_str());
+	if (!input.good()) {
+		FG_LOG(FG_INPUT, FG_ALERT,
+			"Cannot read Hud configuration from " << path.str());
+	} 
+	else {
+		readHud(input);
+		input.close();
+	}
+
     return 0;  // For now. Later we may use this for an error code.
+
 }
+//$$$ End - added, Neetha, 28 Nov 2k  
 
-int global_day_night_switch = DAY;
+static int global_day_night_switch = DAY;
 
-void HUD_brightkey( bool incr_bright )
+void HUD_masterswitch( bool incr )
 {
-instr_item *pHUDInstr = HUD_deque[0];
-int brightness        = pHUDInstr->get_brightness();
-
-  if( current_options.get_hud_status() ) {
-    if( incr_bright ) {
-      switch (brightness) {
-        case BRT_LIGHT:
-          current_options.set_hud_status(0);
-          break;
-
-        case BRT_MEDIUM:
-          brightness = BRT_LIGHT;
-          break;
-
-        case BRT_DARK:
-          brightness = BRT_MEDIUM;
-          break;
-
-        case BRT_BLACK:
-          brightness = BRT_DARK;
-          break;
-
-        default:
-          brightness = BRT_BLACK;
-        }
-      }
-    else {
-      switch (brightness) {
-        case BRT_LIGHT:
-          brightness = BRT_MEDIUM;
-          break;
-
-        case BRT_MEDIUM:
-          brightness = BRT_DARK;
-          break;
-
-        case BRT_DARK:
-          brightness = BRT_BLACK;
-          break;
-
-        case BRT_BLACK:
-        default:
-          current_options.set_hud_status(0);
-        }
-      }
-    }
-  else {
-    current_options.set_hud_status(1);
-    if( incr_bright ) {
-      if( DAY == global_day_night_switch ) {
-        brightness = BRT_BLACK;
-        }
-      else {
-        brightness = BRT_DARK;
-        global_day_night_switch = DAY;
-        }
-      }
-    else {
-      if( NIGHT == global_day_night_switch ) {
-        brightness = BRT_DARK;
-        }
-      else {
-        brightness = BRT_MEDIUM;
-        global_day_night_switch = NIGHT;
-        }
-      }
-    }
-  pHUDInstr->SetBrightness( brightness );
+    if ( fgGetBool("/sim/hud/visibility") ) {
+	if ( global_day_night_switch == DAY ) {
+	    global_day_night_switch = NIGHT;
+	} else {
+	    fgSetBool("/sim/hud/visibility", false);
+	}
+    } else {
+        fgSetBool("/sim/hud/visibility", true);
+	global_day_night_switch = DAY;
+    }	
 }
 
-#if 0
-// fgUpdateHUD
-//
-// Performs a once around the list of calls to instruments installed in
-// the HUD object with requests for redraw. Kinda. It will when this is
-// all C++.
-//
-void fgUpdateHUD( void ) {
-  int brightness;
-//  int day_night_sw = current_aircraft.controls->day_night_switch;
-  int day_night_sw = global_day_night_switch;
-  int hud_displays = HUD_deque.size();
-  instr_item *pHUDInstr;
-  float line_width;
-
-  if( !hud_displays ) {  // Trust everyone, but ALWAYS cut the cards!
-    return;
+void HUD_brightkey( bool incr_bright )
+{
+    instr_item *pHUDInstr = HUD_deque[0];
+    int brightness        = pHUDInstr->get_brightness();
+
+    if( fgGetBool("/sim/hud/visibility") ) {
+	if( incr_bright ) {
+	    switch (brightness)
+		{
+		case BRT_LIGHT:
+		    brightness = BRT_BLACK;
+		    break;
+
+		case BRT_MEDIUM:
+		    brightness = BRT_LIGHT;
+		    break;
+
+		case BRT_DARK:
+		    brightness = BRT_MEDIUM;
+		    break;
+
+		case BRT_BLACK:
+		    brightness = BRT_DARK;
+		    break;
+
+		default:
+		    brightness = BRT_BLACK;
+		}
+	} else {
+	    switch (brightness)
+		{
+		case BRT_LIGHT:
+		    brightness = BRT_MEDIUM;
+		    break;
+
+		case BRT_MEDIUM:
+		    brightness = BRT_DARK;
+		    break;
+
+		case BRT_DARK:
+		    brightness = BRT_BLACK;
+		    break;
+
+		case BRT_BLACK:
+		    brightness = BRT_LIGHT;
+		    break;
+
+		default:
+		    fgSetBool("/sim/hud/visibility", false);
+		}
+	}
+    } else {
+	fgSetBool("/sim/hud/visibility", true);
     }
 
-  HUD_TextList.erase();
-  HUD_LineList.erase();
-//  HUD_StippleLineList.erase();
-  
-  pHUDInstr = HUD_deque[0];
-  brightness = pHUDInstr->get_brightness();
-//  brightness = HUD_deque.at(0)->get_brightness();
+    pHUDInstr->SetBrightness( brightness );
+}
 
-  glMatrixMode(GL_PROJECTION);
-  glPushMatrix();
 
-  glLoadIdentity();
-  gluOrtho2D(0, 640, 0, 480);
-  glMatrixMode(GL_MODELVIEW);
-  glPushMatrix();
-  glLoadIdentity();
+#define fgAP_CLAMP(val,min,max) ( (val) = (val) > (max) ? (max) : (val) < (min) ? (min) : (val) )
 
-  glColor3f(1.0, 1.0, 1.0);
-  glIndexi(7);
+static puDialogBox *HUDalphaDialog;
+static puText      *HUDalphaText;
+static puSlider    *HUDalphaHS0;
+//static puText      *HUDtextText;
+//static puSlider    *HUDalphaHS1;
+static char         SliderText[2][ 8 ];
 
-  glDisable(GL_DEPTH_TEST);
-  glDisable(GL_LIGHTING);
+static void alpha_adj( puObject *hs ) {
+	float val ;
 
-  // We can do translucency, so why not. :-)
-//  glEnable    ( GL_BLEND ) ;
-//  glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
-  
-  if( day_night_sw == DAY) {
-      switch (brightness) {
-          case BRT_LIGHT:
-//            glColor4f (0.1, 0.9, 0.1, 0.75);
-            glColor3f (0.1, 0.9, 0.1);
-            break;
+	hs-> getValue ( &val ) ;
+	fgAP_CLAMP ( val, 0.1, 1.0 ) ;
+	//    printf ( "maxroll_adj( %p ) %f %f\n", hs, val, MaxRollAdjust * val ) ;
+	hud_trans_alpha = val;
+	sprintf( SliderText[ 0 ], "%05.2f", hud_trans_alpha );
+	HUDalphaText -> setLabel ( SliderText[ 0 ] ) ;
+}
 
-          case BRT_MEDIUM:
-//            glColor4f (0.1, 0.7, 0.0, 0.75);
-            glColor3f (0.1, 0.7, 0.0);
-            break;
+void fgHUDalphaAdjust( puObject * ) {
+        fgSetBool("/sim/hud/antialiased", true);
+	FG_PUSH_PUI_DIALOG( HUDalphaDialog );
+}
 
-          case BRT_DARK:
-//            glColor4f (0.0, 0.6, 0.0, 0.75);
-            glColor3f(0.0, 0.6, 0.0);
-            break;
+static void goAwayHUDalphaAdjust (puObject *)
+{
+	FG_POP_PUI_DIALOG( HUDalphaDialog );
+}
 
-          case BRT_BLACK:
-//            glColor4f( 0.0, 0.0, 0.0, 0.75);
-            glColor3f( 0.0, 0.0, 0.0);
-            break;
+static void cancelHUDalphaAdjust (puObject *)
+{
+	fgSetBool("/sim/hud/antialiased", false);
+	FG_POP_PUI_DIALOG( HUDalphaDialog );
+}
 
-          default:;
-      }
-  }
-  else {
-      if( day_night_sw == NIGHT) {
-          switch (brightness) {
-              case BRT_LIGHT:
-//                glColor4f (0.9, 0.1, 0.1, 0.75);
-                glColor3f (0.9, 0.1, 0.1);
-                break;
+// Done once at system initialization
+void fgHUDalphaInit( void ) {
 
-              case BRT_MEDIUM:
-//                glColor4f (0.7, 0.0, 0.1, 0.75);
-                glColor3f (0.7, 0.0, 0.1);
-                break;
-
-              case BRT_DARK:
-              default:
-//                glColor4f (0.6, 0.0, 0.0, 0.75);
-                  glColor3f (0.6, 0.0, 0.0);
-          }
-      }
-          else {     // Just in case default
-//            glColor4f (0.1, 0.9, 0.1, 0.75);
-              glColor3f (0.1, 0.9, 0.1);
-          }
-  }
+	//	printf("fgHUDalphaInit\n");
+#define HORIZONTAL  FALSE
 
-  deque < instr_item * > :: iterator current = HUD_deque.begin();
-  deque < instr_item * > :: iterator last = HUD_deque.end();
+	int DialogX = 40;
+	int DialogY = 100;
+	int DialogWidth = 240;
 
-  for ( ; current != last; ++current ) {
-      pHUDInstr = *current;
-
-      if( pHUDInstr->enabled()) {
-          //  fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d  Status %d\n",
-          //            hud->code, hud->status );
-          pHUDInstr->draw();
-//        HUD_deque.at(i)->draw(); // Responsible for broken or fixed variants.
-                              // No broken displays honored just now.
-      }
-  }
+	char Label[] =  "HUD Adjuster";
+	char *s;
 
-  char *gmt_str = get_formated_gmt_time();
-  HUD_TextList.add( fgText( 40, 10, gmt_str) );
-
-#ifdef FG_NETWORK_OLK
-  if ( net_hud_display ) {
-      net_hud_update();
-  }
-#endif
+	int labelX = (DialogWidth / 2) -
+				 (puGetStringWidth( puGetDefaultLabelFont(), Label ) / 2);
+	
+	int nSliders = 1;
+	int slider_x = 10;
+	int slider_y = 55;
+	int slider_width = 220;
+	int slider_title_x = 15;
+	int slider_value_x = 160;
+	float slider_delta = 0.05f;
+
+	puFont HUDalphaLegendFont;
+	puFont HUDalphaLabelFont;
+	puGetDefaultFonts ( &HUDalphaLegendFont, &HUDalphaLabelFont );
+	
+	HUDalphaDialog = new puDialogBox ( DialogX, DialogY ); {
+		int horiz_slider_height = puGetStringHeight (HUDalphaLabelFont) +
+								  puGetStringDescender (HUDalphaLabelFont) +
+								  PUSTR_TGAP + PUSTR_BGAP + 5;
+
+		puFrame *
+		HUDalphaFrame = new puFrame ( 0, 0,
+									  DialogWidth,
+									  85 + nSliders * horiz_slider_height );
+		
+		puText *
+		HUDalphaDialogMessage = new puText ( labelX,
+											 52 + nSliders
+											 * horiz_slider_height );
+		HUDalphaDialogMessage -> setDefaultValue ( Label );
+		HUDalphaDialogMessage -> getDefaultValue ( &s );
+		HUDalphaDialogMessage -> setLabel        ( s );
+
+		HUDalphaHS0 = new puSlider ( slider_x, slider_y,
+									 slider_width, HORIZONTAL ) ;
+		HUDalphaHS0->     setDelta ( slider_delta ) ;
+		HUDalphaHS0->     setValue ( hud_trans_alpha ) ;
+		HUDalphaHS0->    setCBMode ( PUSLIDER_DELTA ) ;
+		HUDalphaHS0->  setCallback ( alpha_adj ) ;
+
+		puText *
+		HUDalphaTitle =      new puText ( slider_title_x, slider_y ) ;
+		HUDalphaTitle-> setDefaultValue ( "Alpha" ) ;
+		HUDalphaTitle-> getDefaultValue ( &s ) ;
+		HUDalphaTitle->        setLabel ( s ) ;
+		
+		HUDalphaText = new puText ( slider_value_x, slider_y ) ;
+		sprintf( SliderText[ 0 ], "%05.2f", hud_trans_alpha );
+		HUDalphaText-> setLabel ( SliderText[ 0 ] ) ;
+
+
+		puOneShot *
+		HUDalphaOkButton =     new puOneShot ( 10, 10, 60, 45 );
+		HUDalphaOkButton->         setLegend ( gui_msg_OK );
+		HUDalphaOkButton-> makeReturnDefault ( TRUE );
+		HUDalphaOkButton->       setCallback ( goAwayHUDalphaAdjust );
+		
+		puOneShot *
+		HUDalphaNoButton = new puOneShot ( 160, 10, 230, 45 );
+		HUDalphaNoButton->     setLegend ( gui_msg_CANCEL );
+		HUDalphaNoButton->   setCallback ( cancelHUDalphaAdjust );
+	}
+	FG_FINALIZE_PUI_DIALOG( HUDalphaDialog );
+
+#undef HORIZONTAL
+}
 
-  HUD_TextList.draw();
+void fgHUDReshape(void) {
+	if ( HUDtext )
+		delete HUDtext;
 
-  line_width = (current_options.get_xsize() > 1000) ? 1.0 : 0.5;
-  glLineWidth(line_width);
-  HUD_LineList.draw();
+	HUD_TextSize = fgGetInt("/sim/startup/xsize") / 60;
+        HUD_TextSize = 10;
+	HUDtext = new fntRenderer();
+	HUDtext -> setFont      ( guiFntHandle ) ;
+	HUDtext -> setPointSize ( HUD_TextSize ) ;
+	HUD_TextList.setFont( HUDtext );
+}
 
-//  glEnable(GL_LINE_STIPPLE);
-//  glLineStipple( 1, 0x00FF );
-//  HUD_StippleLineList.draw();
-//  glDisable(GL_LINE_STIPPLE);
 
-//  glDisable( GL_BLEND );
-  
-  glEnable(GL_DEPTH_TEST);
-  glEnable(GL_LIGHTING);
-  glMatrixMode(GL_PROJECTION);
-  glPopMatrix();
-  glMatrixMode(GL_MODELVIEW);
-  glPopMatrix();
+static void set_hud_color(float r, float g, float b) {
+	fgGetBool("/sim/hud/antialiased") ?
+			glColor4f(r,g,b,hud_trans_alpha) :
+			glColor3f(r,g,b);
 }
-#endif
-
 
 // fgUpdateHUD
 //
@@ -1198,64 +1007,67 @@ void fgUpdateHUD( void ) {
   glPushMatrix();
   glLoadIdentity();
 
-  glColor3f(1.0, 1.0, 1.0);
-  glIndexi(7);
-
   glDisable(GL_DEPTH_TEST);
   glDisable(GL_LIGHTING);
 
-  // We can do translucency, so why not. :-)
-//  glEnable    ( GL_BLEND ) ;
-//  glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
-  
+  if( fgGetBool("/sim/hud/antialiased") ) {
+	  glEnable(GL_LINE_SMOOTH);
+//	  glEnable(GL_BLEND);
+	  glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
+	  glHint(GL_LINE_SMOOTH_HINT,GL_DONT_CARE);
+	  glLineWidth(1.5);
+  } else {
+	  glLineWidth(1.0);
+  }
+
   if( day_night_sw == DAY) {
-	  switch (brightness) {
-		  case BRT_LIGHT:
-//            glColor4f (0.1, 0.9, 0.1, 0.75);
-            glColor3f (0.1, 0.9, 0.1);
-            break;
+      switch (brightness)
+	  {
+	  case BRT_LIGHT:
+	      set_hud_color (0.1f, 0.9f, 0.1f);
+	      break;
 
           case BRT_MEDIUM:
-//            glColor4f (0.1, 0.7, 0.0, 0.75);
-            glColor3f (0.1, 0.7, 0.0);
-            break;
+	      set_hud_color (0.1f, 0.7f, 0.0f);
+	      break;
 
           case BRT_DARK:
-//            glColor4f (0.0, 0.6, 0.0, 0.75);
-            glColor3f(0.0, 0.6, 0.0);
-            break;
+	      set_hud_color (0.0f, 0.6f, 0.0f);
+	      break;
 
           case BRT_BLACK:
-//            glColor4f( 0.0, 0.0, 0.0, 0.75);
-            glColor3f( 0.0, 0.0, 0.0);
-            break;
+	      set_hud_color( 0.0f, 0.0f, 0.0f);
+	      break;
 
-          default:;
+          default:
+	      set_hud_color (0.1f, 0.9f, 0.1f);
 	  }
-  }
-  else {
-	  if( day_night_sw == NIGHT) {
-		  switch (brightness) {
-			  case BRT_LIGHT:
-//                glColor4f (0.9, 0.1, 0.1, 0.75);
-                glColor3f (0.9, 0.1, 0.1);
-                break;
+  } else {
+      if( day_night_sw == NIGHT) {
+	  switch (brightness)
+	      {
+	      case BRT_LIGHT:
+		  set_hud_color (0.9f, 0.1f, 0.1f);
+		  break;
 
               case BRT_MEDIUM:
-//                glColor4f (0.7, 0.0, 0.1, 0.75);
-                glColor3f (0.7, 0.0, 0.1);
-                break;
-
-			  case BRT_DARK:
-			  default:
-//				  glColor4f (0.6, 0.0, 0.0, 0.75);
-				  glColor3f (0.6, 0.0, 0.0);
-		  }
-	  }
-          else {     // Just in case default
-//			  glColor4f (0.1, 0.9, 0.1, 0.75);
-			  glColor3f (0.1, 0.9, 0.1);
-		  }
+		  set_hud_color (0.7f, 0.0f, 0.1f);
+		  break;
+
+	      case BRT_DARK:
+		  set_hud_color (0.6f, 0.0f, 0.0f);
+		  break;
+
+	      case BRT_BLACK:
+		  set_hud_color( 0.0f, 0.0f, 0.0f);
+		  break;
+
+	      default:
+		  set_hud_color (0.6f, 0.0f, 0.0f);
+	      }
+      } else {     // Just in case default
+	  set_hud_color (0.1f, 0.9f, 0.1f);
+      }
   }
 
   deque < instr_item * > :: iterator current = HUD_deque.begin();
@@ -1268,8 +1080,7 @@ void fgUpdateHUD( void ) {
 		  //  fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d  Status %d\n",
 		  //            hud->code, hud->status );
 		  pHUDInstr->draw();
-//	      HUD_deque.at(i)->draw(); // Responsible for broken or fixed variants.
-                              // No broken displays honored just now.
+		  
 	  }
   }
 
@@ -1284,37 +1095,51 @@ void fgUpdateHUD( void ) {
 
 
   // temporary
-  extern bool fgAPAltitudeEnabled( void );
-  extern bool fgAPHeadingEnabled( void );
-  extern bool fgAPWayPointEnabled( void );
-  extern char *fgAPget_TargetDistanceStr( void );
-  extern char *fgAPget_TargetHeadingStr( void );
-  extern char *fgAPget_TargetAltitudeStr( void );
-  extern char *fgAPget_TargetLatLonStr( void );
+  // extern bool fgAPAltitudeEnabled( void );
+  // extern bool fgAPHeadingEnabled( void );
+  // extern bool fgAPWayPointEnabled( void );
+  // extern char *fgAPget_TargetDistanceStr( void );
+  // extern char *fgAPget_TargetHeadingStr( void );
+  // extern char *fgAPget_TargetAltitudeStr( void );
+  // extern char *fgAPget_TargetLatLonStr( void );
 
   int apY = 480 - 80;
 //  char scratch[128];
 //  HUD_TextList.add( fgText( "AUTOPILOT", 20, apY) );
 //  apY -= 15;
-  if( fgAPHeadingEnabled() ) {
-	  HUD_TextList.add( fgText( 40, apY, fgAPget_TargetHeadingStr()) );	  
-	  apY -= 15;
+  if( current_autopilot->get_HeadingEnabled() ) {
+      HUD_TextList.add( fgText( 40, apY, 
+				current_autopilot->get_TargetHeadingStr()) );
+      apY -= 15;
   }
-  if( fgAPAltitudeEnabled() ) {
-	  HUD_TextList.add( fgText( 40, apY, fgAPget_TargetAltitudeStr()) );	  
-	  apY -= 15;
+  if( current_autopilot->get_AltitudeEnabled() ) {
+      HUD_TextList.add( fgText( 40, apY, 
+				current_autopilot->get_TargetAltitudeStr()) );
+      apY -= 15;
   }
-  if( fgAPWayPointEnabled() ) {
-	  HUD_TextList.add( fgText( 40, apY, fgAPget_TargetLatLonStr()) );
+  if( current_autopilot->get_HeadingMode() == 
+      FGAutopilot::FG_HEADING_WAYPOINT )
+  {
+      char *wpstr;
+      wpstr = current_autopilot->get_TargetWP1Str();
+      if ( strlen( wpstr ) ) {
+	  HUD_TextList.add( fgText( 40, apY, wpstr ) );
+	  apY -= 15;
+      }
+      wpstr = current_autopilot->get_TargetWP2Str();
+      if ( strlen( wpstr ) ) {
+	  HUD_TextList.add( fgText( 40, apY, wpstr ) );
 	  apY -= 15;
-	  HUD_TextList.add( fgText( 40, apY, fgAPget_TargetDistanceStr() ) );	  
+      }
+      wpstr = current_autopilot->get_TargetWP3Str();
+      if ( strlen( wpstr ) ) {
+	  HUD_TextList.add( fgText( 40, apY, wpstr ) );
 	  apY -= 15;
+      }
   }
   
   HUD_TextList.draw();
 
-  line_width = (current_options.get_xsize() > 1000) ? 1.0 : 0.5;
-  glLineWidth(line_width);
   HUD_LineList.draw();
 
 //  glEnable(GL_LINE_STIPPLE);
@@ -1322,8 +1147,12 @@ void fgUpdateHUD( void ) {
 //  HUD_StippleLineList.draw();
 //  glDisable(GL_LINE_STIPPLE);
 
-//  glDisable( GL_BLEND );
-  
+  if( fgGetBool("/sim/hud/antialiased") ) {
+//	  glDisable(GL_BLEND);
+	  glDisable(GL_LINE_SMOOTH);
+	  glLineWidth(1.0);
+  }
+
   glEnable(GL_DEPTH_TEST);
   glEnable(GL_LIGHTING);
   glMatrixMode(GL_PROJECTION);