#include <simgear/compiler.h>
#include <simgear/misc/exception.hxx>
+#include STL_STRING
+#include STL_FSTREAM
+
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef __BORLANDC__
# define exception c_exception
#endif
-#include <math.h>
-#include GLUT_H
+#include <math.h>
+#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h> // char related functions
#include <string.h> // strcmp()
-#include STL_STRING
-#include STL_FSTREAM
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
static instr_item * readTBI( const SGPropertyNode * node);
//$$$ end - added, Neetha, 28 Nov 2k
+static void drawHUD();
+static void fgUpdateHUDVirtual();
+
void fgHUDalphaInit( void );
class locRECT {
}
// #define DEBUG
-#ifdef OLD_CODE
-void drawOneLine( UINT x1, UINT y1, UINT x2, UINT y2)
-{
- glBegin(GL_LINES);
- glVertex2f(x1, y1);
- glVertex2f(x2, y2);
- glEnd();
-}
-
-void drawOneLine( RECT &rect)
-{
- glBegin(GL_LINES);
- glVertex2f(rect.left, rect.top);
- glVertex2f(rect.right, rect.bottom);
- glEnd();
-}
-
-//
-// The following code deals with painting the "instrument" on the display
-//
-/* textString - Bitmap font string */
-
-void textString( int x, int y, char *msg, void *font,int digit) //suma
-{
-
- if(*msg) {
- // puDrawString ( NULL, msg, x, y );
- glRasterPos2f(x, y);
- while (*msg) {
- glutBitmapCharacter(font, *msg);
- msg++;
- }
- }
-}
-
-
-/* strokeString - Stroke font string */
-void strokeString(int x, int y, char *msg, void *font, float theta)
-{
- int xx;
- int yy;
- int c;
- float sintheta,costheta;
-
-
- if(*msg) {
- glPushMatrix();
- glRotatef(theta * SGD_RADIANS_TO_DEGREES, 0.0, 0.0, 1.0);
- sintheta = sin(theta);
- costheta = cos(theta);
- xx = (int)(x * costheta + y * sintheta);
- yy = (int)(y * costheta - x * sintheta);
- glTranslatef( xx, yy, 0);
- glScalef(.1, .1, 0.0);
- while( (c=*msg++) ) {
- glutStrokeCharacter(font, c);
- }
- glPopMatrix();
- }
-}
-
-int getStringWidth ( char *str )
-{
- if ( HUDtext && str ) {
- float r, l ;
- guiFntHandle->getBBox ( str, HUD_TextSize, 0, &l, &r, NULL, NULL ) ;
- return FloatToInt( r - l );
- }
- return 0 ;
-}
-#endif // OLD_CODE
-
//========================= End of Class Implementations===================
// fgHUDInit
//
zenith = node->getIntValue("zenith"); //suma
nadir = node->getIntValue("nadir"); //suma
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( HUD_style == 1)
+ {
+// if(factor == 0)
+ factor = 1;
+ factor = (640./55.) / factor;
+ }
SG_LOG(SG_INPUT, SG_INFO, "Done reading instrument " << name);
-
p = (instr_item *) new HudLadder( name, x, y,
width, height, factor,
get_roll, get_pitch,
<< " from "
<< path.str());
-
SGPropertyNode root2;
try {
readProperties(path.str(), &root2);
int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
{
-
HUD_style = 1;
SG_LOG( SG_COCKPIT, SG_INFO, "Initializing current aircraft HUD" );
fgHUDalphaInit();
fgHUDReshape();
+ if ( HUDtext ) {
+ // this chunk of code is not necessarily thread safe if the
+ // compiler optimizer reorders these statements. Note that
+ // "delete ptr" does not set "ptr = NULL". We have to do that
+ // ourselves.
+ fntRenderer *tmp = HUDtext;
+ HUDtext = NULL;
+ delete tmp;
+ }
+
+// HUD_TextSize = fgGetInt("/sim/startup/xsize") / 60;
+ HUD_TextSize = 10;
+ HUDtext = new fntRenderer();
+ HUDtext -> setFont ( guiFntHandle ) ;
+ HUDtext -> setPointSize ( HUD_TextSize ) ;
+ HUD_TextList.setFont( HUDtext );
+
return 0; // For now. Later we may use this for an error code.
}
void fgHUDReshape(void) {
+#if 0
if ( HUDtext ) {
// this chunk of code is not necessarily thread safe if the
// compiler optimizer reorders these statements. Note that
HUDtext -> setFont ( guiFntHandle ) ;
HUDtext -> setPointSize ( HUD_TextSize ) ;
HUD_TextList.setFont( HUDtext );
+#endif
}
//
void fgUpdateHUD( void ) {
+ if( HUD_style == 1)
+ {
+ fgUpdateHUDVirtual();
+ return;
+ }
+
static const float normal_aspect = float(640) / float(480);
// note: aspect_ratio is Y/X
float current_aspect = 1.0f/globals->get_current_view()->get_aspect_ratio();
}
}
-void fgUpdateHUD( GLfloat x_start, GLfloat y_start,
- GLfloat x_end, GLfloat y_end )
+void fgUpdateHUDVirtual()
{
- 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;
- }
+ FGViewer* view = globals->get_current_view();
- HUD_TextList.erase();
- HUD_LineList.erase();
- // HUD_StippleLineList.erase();
+ // Standard fgfs projection, with essentially meaningless clip
+ // planes (we'll map the whole HUD plane to z=-1)
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ gluPerspective(view->get_v_fov(), 1/view->get_aspect_ratio(), 0.1, 10);
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
- pHUDInstr = HUD_deque[0];
- brightness = pHUDInstr->get_brightness();
- // brightness = HUD_deque.at(0)->get_brightness();
+ // Standard fgfs view direction computation
+ float lookat[3];
+ lookat[0] = -sin(SG_DEGREES_TO_RADIANS * view->getHeadingOffset_deg());
+ lookat[1] = tan(SG_DEGREES_TO_RADIANS * view->getPitchOffset_deg());
+ lookat[2] = -cos(SG_DEGREES_TO_RADIANS * view->getHeadingOffset_deg());
+ if(fabs(lookat[1]) > 9999) lookat[1] = 9999; // FPU sanity
+ gluLookAt(0, 0, 0, lookat[0], lookat[1], lookat[2], 0, 1, 0);
+
+ // Map the -1:1 square to a 55.0x41.25 degree wide patch at z=1.
+ // This is the default fgfs field of view, which the HUD files are
+ // written to assume.
+ float dx = 0.52056705; // tan(55/2)
+ float dy = dx * 0.75; // assumes 4:3 aspect ratio
+ float m[16];
+ m[0] = dx; m[4] = 0; m[ 8] = 0; m[12] = 0;
+ m[1] = 0; m[5] = dy; m[ 9] = 0; m[13] = 0;
+ m[2] = 0; m[6] = 0; m[10] = 1; m[14] = 0;
+ m[3] = 0; m[7] = 0; m[11] = 0; m[15] = 1;
+ glMultMatrixf(m);
+
+ // Convert the 640x480 "HUD standard" coordinate space to a square
+ // about the origin in the range [-1:1] at depth of -1
+ glScalef(1./320, 1./240, 1);
+ glTranslatef(-320, -240, -1);
+
+ // Do the deed
+ drawHUD();
+
+ // Clean up our mess
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+}
+void fgUpdateHUD( GLfloat x_start, GLfloat y_start,
+ GLfloat x_end, GLfloat y_end )
+{
glMatrixMode(GL_PROJECTION);
glPushMatrix();
-
glLoadIdentity();
gluOrtho2D(x_start, x_end, y_start, y_end);
+
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
+ drawHUD();
+
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+}
+
+void drawHUD()
+{
+ if( !HUD_deque.size() ) { // Trust everyone, but ALWAYS cut the cards!
+ return;
+ }
+
+ HUD_TextList.erase();
+ HUD_LineList.erase();
+ // HUD_StippleLineList.erase();
+
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
// glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT,GL_DONT_CARE);
- glLineWidth(1.5);
+ glLineWidth(2.0);
} else {
glLineWidth(1.0);
}
- if( day_night_sw == HUD_DAY) {
- switch (brightness)
+ if( global_day_night_switch == HUD_DAY) {
+ switch (HUD_deque[0]->get_brightness())
{
case HUD_BRT_LIGHT:
set_hud_color (0.1f, 0.9f, 0.1f);
set_hud_color (0.1f, 0.9f, 0.1f);
}
} else {
- if( day_night_sw == HUD_NIGHT) {
- switch (brightness)
+ if( global_day_night_switch == HUD_NIGHT) {
+ switch (HUD_deque[0]->get_brightness())
{
case HUD_BRT_LIGHT:
set_hud_color (0.9f, 0.1f, 0.1f);
}
}
- deque < instr_item * > :: iterator current = HUD_deque.begin();
- deque < instr_item * > :: iterator last = HUD_deque.end();
-
- for ( ; current != last; ++current ) {
- pHUDInstr = *current;
-
- if( pHUDInstr->enabled()) {
- // fgPrintf( SG_COCKPIT, SG_DEBUG, "HUD Code %d Status %d\n",
- // hud->code, hud->status );
- pHUDInstr->draw();
-
- }
- }
+ for_each(HUD_deque.begin(), HUD_deque.end(), HUDdraw());
- char *gmt_str = get_formated_gmt_time();
- HUD_TextList.add( fgText(40, 10, gmt_str, 0) );
+ HUD_TextList.add( fgText(40, 10, get_formated_gmt_time(), 0) );
#ifdef FG_NETWORK_OLK
if ( net_hud_display ) {
#endif
- // 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 );
-
int apY = 480 - 80;
// char scratch[128];
// HUD_TextList.add( fgText( "AUTOPILOT", 20, apY) );
// apY -= 15;
- if( globals->get_autopilot()->get_HeadingEnabled() ) {
- HUD_TextList.add( fgText( 40, apY,
- globals->get_autopilot()->get_TargetHeadingStr()) );
+ FGAutopilot *AP = globals->get_autopilot();
+
+ if( AP->get_HeadingEnabled() ) {
+ HUD_TextList.add( fgText( 40, apY, AP->get_TargetHeadingStr()) );
apY -= 15;
}
- if( globals->get_autopilot()->get_AltitudeEnabled() ) {
- HUD_TextList.add( fgText( 40, apY,
- globals->get_autopilot()->get_TargetAltitudeStr()) );
+ if( AP->get_AltitudeEnabled() ) {
+ HUD_TextList.add( fgText( 40, apY, AP->get_TargetAltitudeStr()) );
apY -= 15;
}
- if( globals->get_autopilot()->get_HeadingMode() ==
- FGAutopilot::FG_HEADING_WAYPOINT )
+ if( AP->get_HeadingMode() == FGAutopilot::FG_HEADING_WAYPOINT )
{
- char *wpstr;
- wpstr = globals->get_autopilot()->get_TargetWP1Str();
- if ( strlen( wpstr ) ) {
- HUD_TextList.add( fgText( 40, apY, wpstr ) );
+ if ( strlen( AP->get_TargetWP1Str() ) ) {
+ HUD_TextList.add( fgText( 40, apY, AP->get_TargetWP1Str() ) );
apY -= 15;
}
- wpstr = globals->get_autopilot()->get_TargetWP2Str();
- if ( strlen( wpstr ) ) {
- HUD_TextList.add( fgText( 40, apY, wpstr ) );
+ if ( strlen( AP->get_TargetWP2Str() ) ) {
+ HUD_TextList.add( fgText( 40, apY, AP->get_TargetWP2Str() ) );
apY -= 15;
}
- wpstr = globals->get_autopilot()->get_TargetWP3Str();
- if ( strlen( wpstr ) ) {
- HUD_TextList.add( fgText( 40, apY, wpstr ) );
+ if ( strlen( AP->get_TargetWP3Str() ) ) {
+ HUD_TextList.add( fgText( 40, apY, AP->get_TargetWP3Str() ) );
apY -= 15;
}
}
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
- glMatrixMode(GL_PROJECTION);
- glPopMatrix();
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
}
# include <windows.h>
#endif
-#include GLUT_H
-
+#include <GL/glut.h>
#include <stdlib.h>
#include <string.h>
}
};
+class DrawLineSeg2D {
+ public:
+ void operator() (fgLineSeg2D elem) const {
+ elem.draw();
+ }
+};
+
+
#define USE_HUD_TextList
extern float HUD_TextSize;
extern fntRenderer *HUDtext;
void add( fgLineSeg2D seg ) { List.push_back(seg); }
void erase( void ) { List.erase( List.begin(), List.end() ); }
void draw( void ) {
- vector < fgLineSeg2D > :: iterator curSeg;
- vector < fgLineSeg2D > :: iterator lastSeg;
- curSeg = List.begin();
- lastSeg = List.end();
glBegin(GL_LINES);
- for ( ; curSeg != lastSeg; curSeg++ ) {
- curSeg->draw();
- }
+ for_each( List.begin(), List.end(), DrawLineSeg2D());
glEnd();
}
- /* void draw( void ) {
- vector < fgLineSeg2D > :: iterator curSeg;
- vector < fgLineSeg2D > :: iterator lastSeg;
- curSeg = List.begin();
- lastSeg = List.end();
- glBegin(GL_LINES);
- for ( ; curSeg != lastSeg; curSeg++ ) {
- curSeg->draw();
- }
- glEnd();
- } */
};
class fgTextList {
void erase( void ) { List.erase( List.begin(), List.end() ); }
void draw( void ) {
- vector < fgText > :: iterator curString;
- vector < fgText > :: iterator lastString;
- if( Font == 0 ) return;
- curString = List.begin();
- lastString = List.end();
+ if( Font == 0 )
+ return;
+ vector < fgText > :: iterator curString = List.begin();
+ vector < fgText > :: iterator lastString = List.end();
+
glPushAttrib( GL_COLOR_BUFFER_BIT );
glEnable ( GL_ALPHA_TEST ) ;
glEnable ( GL_BLEND ) ;
bool working = true,
int digit = 0); //suma
-
instr_item( const instr_item & image );
instr_item & operator = ( const instr_item & rhs );
};
typedef instr_item *HIptr;
+
+class HUDdraw {
+ public:
+ void operator() (HIptr elem) const {
+ if( elem->enabled())
+ elem->draw();
+ }
+};
+
//typedef deque < instr_item * > hud_deque_type;
//typedef hud_deque_type::iterator hud_deque_iterator;
//typedef hud_deque_type::const_iterator hud_deque_const_iterator;
bool working,
float radius, //suma
int divisions, //suma
- int zoom); //suma
+ int zoom //suma
+ );
~hud_card();
int hat; //suma
+ // The Ladder has it's own temporary display lists
fgTextList TextList;
fgLineList LineList;
fgLineList StippleLineList;
bool working,
int zenith, //suma
int nadir, //suma
- int hat); //suma
+ int hat
+ ); //suma
~HudLadder();
extern void fgUpdateHUD( GLfloat x_start, GLfloat y_start,
GLfloat x_end, GLfloat y_end );
-extern void drawOneLine ( UINT x1, UINT y1, UINT x2, UINT y2);
-extern void drawOneLine ( RECT &rect);
-extern void textString ( int x,
- int y,
- char *msg,
- void *font = GLUT_BITMAP_9_BY_15,int digit=0); //suma
-extern void strokeString( int x,
- int y,
- char *msg,
- void *font = GLUT_STROKE_ROMAN,
- float theta = 0);
-
-//extern void strokeString(float xx,
-// float yy,
-// char *msg,
-// void *font = GLUT_STROKE_ROMAN)
-
/*
bool AddHUDInstrument( instr_item *pBlackBox );
void DrawHUD ( void );