+++ /dev/null
-// GLUTkey.cxx -- handle GLUT keyboard events
-//
-// Written by Curtis Olson, started May 1997.
-//
-// Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-
-#if defined(FX) && defined(XMESA)
-#include <GL/xmesa.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <Debug/logstream.hxx>
-#include <Aircraft/aircraft.hxx>
-#include <Astro/solarsystem.hxx>
-#include <Astro/sky.hxx>
-#include <Autopilot/autopilot.hxx>
-#include <Cockpit/hud.hxx>
-#include <GUI/gui.h>
-#include <Include/fg_constants.h>
-#include <Scenery/tilemgr.hxx>
-#include <Objects/materialmgr.hxx>
-#include <plib/pu.h>
-#include <Time/fg_time.hxx>
-#include <Time/light.hxx>
-#include <Weather/weather.hxx>
-
-#include "GLUTkey.hxx"
-#include "options.hxx"
-#include "views.hxx"
-
-extern void NewAltitude( puObject *cb );
-extern void NewHeading( puObject *cb );
-
-// Force an update of the sky and lighting parameters
-static void local_update_sky_and_lighting_params( void ) {
- // fgSunInit();
- SolarSystem::theSolarSystem->rebuild();
- cur_light_params.Update();
- fgSkyColorsInit();
-}
-
-
-// Handle keyboard events
-void GLUTkey(unsigned char k, int x, int y) {
- FGInterface *f;
- FGTime *t;
- FGView *v;
- FGWeather *w;
- float fov, tmp;
- static bool winding_ccw = true;
-
- f = current_aircraft.fdm_state;
- t = FGTime::cur_time_params;
- v = ¤t_view;
- w = ¤t_weather;
-
- FG_LOG( FG_INPUT, FG_DEBUG, "Key hit = " << k );
- if ( puKeyboard(k, PU_DOWN) ) {
- return;
- }
-
- if ( GLUT_ACTIVE_ALT && glutGetModifiers() ) {
- FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
- switch (k) {
- case 1: // Ctrl-A key
- fgAPToggleAltitude();
- return;
- case 8: // Ctrl-H key
- fgAPToggleHeading();
- return;
- case 18: // Ctrl-R key
- // temporary
- winding_ccw = !winding_ccw;
- if ( winding_ccw ) {
- glFrontFace ( GL_CCW );
- } else {
- glFrontFace ( GL_CW );
- }
- return;
- case 19: // Ctrl-S key
- fgAPToggleAutoThrottle();
- return;
- case 20: // Ctrl-T key
- fgAPToggleTerrainFollow();
- return;
- case 49: // numeric keypad 1
- v->set_goal_view_offset( FG_PI * 0.75 );
- return;
- case 50: // numeric keypad 2
- v->set_goal_view_offset( FG_PI );
- return;
- case 51: // numeric keypad 3
- v->set_goal_view_offset( FG_PI * 1.25 );
- return;
- case 52: // numeric keypad 4
- v->set_goal_view_offset( FG_PI * 0.50 );
- return;
- case 54: // numeric keypad 6
- v->set_goal_view_offset( FG_PI * 1.50 );
- return;
- case 55: // numeric keypad 7
- v->set_goal_view_offset( FG_PI * 0.25 );
- return;
- case 56: // numeric keypad 8
- v->set_goal_view_offset( 0.00 );
- return;
- case 57: // numeric keypad 9
- v->set_goal_view_offset( FG_PI * 1.75 );
- return;
- case 72: // H key
- // status = current_options.get_hud_status();
- // current_options.set_hud_status(!status);
- HUD_brightkey( true );
- return;
- case 73: // I key
- // Minimal Hud
- fgHUDInit2(¤t_aircraft);
- return;
- case 77: // M key
- t->adjust_warp(-60);
- local_update_sky_and_lighting_params();
- return;
- case 80: // P key
- current_options.toggle_panel();
- break;
- case 84: // T key
- t->adjust_warp_delta(-30);
- local_update_sky_and_lighting_params();
- return;
- case 87: // W key
-#if defined(FX) && !defined(WIN32)
- global_fullscreen = ( !global_fullscreen );
-# if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
- XMesaSetFXmode( global_fullscreen ?
- XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
-# endif
-#endif
- return;
- case 88: // X key
- fov = current_options.get_fov();
- fov *= 1.05;
- if ( fov > FG_FOV_MAX ) {
- fov = FG_FOV_MAX;
- }
- current_options.set_fov(fov);
- v->force_update_fov_math();
- return;
- case 90: // Z key
- tmp = w->get_visibility(); // in meters
- tmp /= 1.10;
- w->set_visibility( tmp );
- return;
- }
- } else {
- FG_LOG( FG_INPUT, FG_DEBUG, "" );
- switch (k) {
- case 50: // numeric keypad 2
- if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
- fgAPAltitudeAdjust( 100 );
- } else {
- controls.move_elevator(-0.05);
- }
- return;
- case 56: // numeric keypad 8
- if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
- fgAPAltitudeAdjust( -100 );
- } else {
- controls.move_elevator(0.05);
- }
- return;
- case 49: // numeric keypad 1
- controls.move_elevator_trim(-0.001);
- return;
- case 55: // numeric keypad 7
- controls.move_elevator_trim(0.001);
- return;
- case 52: // numeric keypad 4
- controls.move_aileron(-0.05);
- return;
- case 54: // numeric keypad 6
- controls.move_aileron(0.05);
- return;
- case 48: // numeric keypad Ins
- if( fgAPHeadingEnabled() ) {
- fgAPHeadingAdjust( -1 );
- } else {
- controls.move_rudder(-0.05);
- }
- return;
- case 13: // numeric keypad Enter
- if( fgAPHeadingEnabled() ) {
- fgAPHeadingAdjust( 1 );
- } else {
- controls.move_rudder(0.05);
- }
- return;
- case 53: // numeric keypad 5
- controls.set_aileron(0.0);
- controls.set_elevator(0.0);
- controls.set_rudder(0.0);
- return;
- case 57: // numeric keypad 9 (Pg Up)
- if( fgAPAutoThrottleEnabled() ) {
- fgAPAutoThrottleAdjust( 5 );
- } else {
- controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
- }
- return;
- case 51: // numeric keypad 3 (Pg Dn)
- if( fgAPAutoThrottleEnabled() ) {
- fgAPAutoThrottleAdjust( -5 );
- } else {
- controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
- }
- return;
- case 98: // b key
- int b_ret;
- double b_set;
- b_ret = int( controls.get_brake( 0 ) );
- b_set = double(!b_ret);
- controls.set_brake( FGControls::ALL_WHEELS, b_set);
- return;
- case 104: // h key
- HUD_brightkey( false );
- return;
- case 105: // i key
- fgHUDInit(¤t_aircraft); // normal HUD
- return;
- case 109: // m key
- t->adjust_warp (+60);
- local_update_sky_and_lighting_params();
- return;
- case 112: // p key
- t->togglePauseMode();
- // printf position and attitude information
- FG_LOG( FG_INPUT, FG_INFO,
- "Lon = " << f->get_Longitude() * RAD_TO_DEG
- << " Lat = " << f->get_Latitude() * RAD_TO_DEG
- << " Altitude = " << f->get_Altitude() * FEET_TO_METER );
- FG_LOG( FG_INPUT, FG_INFO,
- "Heading = " << f->get_Psi() * RAD_TO_DEG
- << " Roll = " << f->get_Phi() * RAD_TO_DEG
- << " Pitch = " << f->get_Theta() * RAD_TO_DEG );
- return;
- case 116: // t key
- t->adjust_warp_delta (+30);
- local_update_sky_and_lighting_params();
- return;
- case 120: // X key
- fov = current_options.get_fov();
- fov /= 1.05;
- if ( fov < FG_FOV_MIN ) {
- fov = FG_FOV_MIN;
- }
- current_options.set_fov(fov);
- v->force_update_fov_math();
- return;
- case 122: // z key
- tmp = w->get_visibility(); // in meters
- tmp *= 1.10;
- w->set_visibility( tmp );
- return;
- case 27: // ESC
- // if( fg_DebugOutput ) {
- // fclose( fg_DebugOutput );
- // }
- FG_LOG( FG_INPUT, FG_ALERT,
- "Program exiting normally at user request." );
- ConfirmExitDialog();
- return;
- }
- }
-}
-
-
-// Handle "special" keyboard events
-void GLUTspecialkey(int k, int x, int y) {
- FGView *v;
-
- v = ¤t_view;
-
- FG_LOG( FG_INPUT, FG_DEBUG, "Special key hit = " << k );
-
- if ( puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN) ) {
- return;
- }
-
- if ( GLUT_ACTIVE_SHIFT && glutGetModifiers() ) {
- FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
- switch (k) {
- case GLUT_KEY_END: // numeric keypad 1
- v->set_goal_view_offset( FG_PI * 0.75 );
- return;
- case GLUT_KEY_DOWN: // numeric keypad 2
- v->set_goal_view_offset( FG_PI );
- return;
- case GLUT_KEY_PAGE_DOWN: // numeric keypad 3
- v->set_goal_view_offset( FG_PI * 1.25 );
- return;
- case GLUT_KEY_LEFT: // numeric keypad 4
- v->set_goal_view_offset( FG_PI * 0.50 );
- return;
- case GLUT_KEY_RIGHT: // numeric keypad 6
- v->set_goal_view_offset( FG_PI * 1.50 );
- return;
- case GLUT_KEY_HOME: // numeric keypad 7
- v->set_goal_view_offset( FG_PI * 0.25 );
- return;
- case GLUT_KEY_UP: // numeric keypad 8
- v->set_goal_view_offset( 0.00 );
- return;
- case GLUT_KEY_PAGE_UP: // numeric keypad 9
- v->set_goal_view_offset( FG_PI * 1.75 );
- return;
- }
- } else {
- FG_LOG( FG_INPUT, FG_DEBUG, "" );
- switch (k) {
- case GLUT_KEY_F2: // F2 Reload Tile Cache...
- {
- int toggle_pause;
- FG_LOG(FG_INPUT, FG_INFO, "ReIniting TileCache");
- FGTime *t = FGTime::cur_time_params;
- if( (toggle_pause = !t->getPause()) )
- t->togglePauseMode();
- BusyCursor(0);
- if( global_tile_mgr.init() ) {
- // Load the local scenery data
- global_tile_mgr.update();
- } else {
- FG_LOG( FG_GENERAL, FG_ALERT,
- "Error in Tile Manager initialization!" );
- exit(-1);
- }
- BusyCursor(1);
- if(toggle_pause)
- t->togglePauseMode();
- return;
- }
- case GLUT_KEY_F8: // F8 toggles fog ... off fastest nicest...
- current_options.cycle_fog();
-
- if ( current_options.get_fog() == fgOPTIONS::FG_FOG_DISABLED ) {
- FG_LOG( FG_INPUT, FG_INFO, "Fog disabled" );
- } else if ( current_options.get_fog() ==
- fgOPTIONS::FG_FOG_FASTEST )
- {
- FG_LOG( FG_INPUT, FG_INFO,
- "Fog enabled, hint set to fastest" );
- } else if ( current_options.get_fog() ==
- fgOPTIONS::FG_FOG_NICEST )
- {
- FG_LOG( FG_INPUT, FG_INFO,
- "Fog enabled, hint set to nicest" );
- }
-
- return;
- case GLUT_KEY_F9: // F9 toggles textures on and off...
- if ( material_mgr.loaded() ) {
- current_options.get_textures() ?
- current_options.set_textures(false) :
- current_options.set_textures(true);
- FG_LOG( FG_INPUT, FG_INFO, "Toggling texture" );
- } else {
- FG_LOG( FG_INPUT, FG_INFO,
- "No textures loaded, cannot toggle" );
- }
- return;
- case GLUT_KEY_F10: // F10 toggles menu on and off...
- FG_LOG(FG_INPUT, FG_INFO, "Invoking call back function");
- guiToggleMenu();
- return;
- case GLUT_KEY_F11: // F11 Altitude Dialog.
- FG_LOG(FG_INPUT, FG_INFO, "Invoking Altitude call back function");
- NewAltitude( NULL );
- return;
- case GLUT_KEY_F12: // F12 Heading Dialog...
- FG_LOG(FG_INPUT, FG_INFO, "Invoking Heading call back function");
- NewHeading( NULL );
- return;
- case GLUT_KEY_UP:
- if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
- fgAPAltitudeAdjust( -100 );
- } else {
- controls.move_elevator(0.05);
- }
- return;
- case GLUT_KEY_DOWN:
- if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
- fgAPAltitudeAdjust( 100 );
- } else {
- controls.move_elevator(-0.05);
- }
- return;
- case GLUT_KEY_LEFT:
- controls.move_aileron(-0.05);
- return;
- case GLUT_KEY_RIGHT:
- controls.move_aileron(0.05);
- return;
- case GLUT_KEY_HOME: // numeric keypad 1
- controls.move_elevator_trim(0.001);
- return;
- case GLUT_KEY_END: // numeric keypad 7
- controls.move_elevator_trim(-0.001);
- return;
- case GLUT_KEY_INSERT: // numeric keypad Ins
- if( fgAPHeadingEnabled() ) {
- fgAPHeadingAdjust( -1 );
- } else {
- controls.move_rudder(-0.05);
- }
- return;
- case 13: // numeric keypad Enter
- if( fgAPHeadingEnabled() ) {
- fgAPHeadingAdjust( 1 );
- } else {
- controls.move_rudder(0.05);
- }
- return;
- case 53: // numeric keypad 5
- controls.set_aileron(0.0);
- controls.set_elevator(0.0);
- controls.set_rudder(0.0);
- return;
- case GLUT_KEY_PAGE_UP: // numeric keypad 9 (Pg Up)
- if( fgAPAutoThrottleEnabled() ) {
- fgAPAutoThrottleAdjust( 5 );
- } else {
- controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
- }
- return;
- case GLUT_KEY_PAGE_DOWN: // numeric keypad 3 (Pg Dn)
- if( fgAPAutoThrottleEnabled() ) {
- fgAPAutoThrottleAdjust( -5 );
- } else {
- controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
- }
- return;
- }
- }
-}
-
-
+++ /dev/null
-// GLUTkey.hxx -- handle GLUT keyboard events
-//
-// Written by Curtis Olson, started May 1997.
-//
-// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-
-
-#ifndef _GLUTKEY_HXX
-#define _GLUTKEY_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-
-
-// Handle keyboard events
-void GLUTkey(unsigned char k, int x, int y);
-void GLUTspecialkey(int k, int x, int y);
-
-
-#endif // _GLUTKEY_HXX
-
-
+++ /dev/null
-// GLUTmain.cxx -- top level sim routines
-//
-// Written by Curtis Olson for OpenGL, started May 1997.
-//
-// Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-
-#define MICHAEL_JOHNSON_EXPERIMENTAL_ENGINE_AUDIO
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef FG_MATH_EXCEPTION_CLASH
-# include <math.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-# include <float.h>
-#endif
-
-#include <GL/glut.h>
-#include <XGL/xgl.h>
-#include <stdio.h>
-#include <string.h>
-#include <string>
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h> /* for stat() */
-#endif
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h> /* for stat() */
-#endif
-
-#include <Include/fg_constants.h> // for VERSION
-#include <Include/general.hxx>
-
-#include <Debug/logstream.hxx>
-#include <Aircraft/aircraft.hxx>
-#include <Astro/sky.hxx>
-#include <Astro/stars.hxx>
-#include <Astro/solarsystem.hxx>
-
-#ifdef ENABLE_AUDIO_SUPPORT
-# include <plib/sl.h>
-# include <plib/sm.h>
-#endif
-
-#include <Autopilot/autopilot.hxx>
-#include <Cockpit/cockpit.hxx>
-#include <GUI/gui.h>
-#include <Joystick/joystick.hxx>
-#include <Math/fg_geodesy.hxx>
-#include <Math/mat3.h>
-#include <Math/polar3d.hxx>
-#include <Math/fg_random.h>
-#include <Misc/fgpath.hxx>
-#include <plib/pu.h>
-#include <Scenery/scenery.hxx>
-#include <Scenery/tilemgr.hxx>
-#include <Time/event.hxx>
-#include <Time/fg_time.hxx>
-#include <Time/fg_timer.hxx>
-#include <Time/sunpos.hxx>
-#include <Weather/weather.hxx>
-
-#include "GLUTkey.hxx"
-#include "fg_init.hxx"
-#include "options.hxx"
-#include "splash.hxx"
-#include "views.hxx"
-#include "fg_serial.hxx"
-
-
-// -dw- use custom sioux settings so I can see output window
-#ifdef MACOS
-# ifndef FG_NDEBUG
-# include <sioux.h> // settings for output window
-# endif
-# include <console.h>
-#endif
-
-
-// This is a record containing a bit of global housekeeping information
-FGGeneral general;
-
-// Specify our current idle function state. This is used to run all
-// our initializations out of the glutIdleLoop() so that we can get a
-// splash screen up and running right away.
-static int idle_state = 0;
-
-// Another hack
-int use_signals = 0;
-
-// Global structures for the Audio library
-#ifdef ENABLE_AUDIO_SUPPORT
-slEnvelope pitch_envelope ( 1, SL_SAMPLE_ONE_SHOT ) ;
-slEnvelope volume_envelope ( 1, SL_SAMPLE_ONE_SHOT ) ;
-slScheduler *audio_sched;
-smMixer *audio_mixer;
-slSample *s1;
-slSample *s2;
-#endif
-
-
-// The following defines flight gear options. Because glutlib will also
-// want to parse its own options, those options must not be included here
-// or they will get parsed by the main program option parser. Hence case
-// is significant for any option added that might be in conflict with
-// glutlib's parser.
-//
-// glutlib parses for:
-// -display
-// -direct (invalid in Win32)
-// -geometry
-// -gldebug
-// -iconized
-// -indirect (invalid in Win32)
-// -synce
-//
-// Note that glutlib depends upon strings while this program's
-// option parser wants only initial characters followed by numbers
-// or pathnames.
-//
-
-
-// fgInitVisuals() -- Initialize various GL/view parameters
-static void fgInitVisuals( void ) {
- fgLIGHT *l;
-
- l = &cur_light_params;
-
-#ifndef GLUT_WRONG_VERSION
- // Go full screen if requested ...
- if ( current_options.get_fullscreen() ) {
- glutFullScreen();
- }
-#endif
-
- // If enabled, normal vectors specified with glNormal are scaled
- // to unit length after transformation. See glNormal.
- // xglEnable( GL_NORMALIZE );
-
- xglEnable( GL_LIGHTING );
- xglEnable( GL_LIGHT0 );
- xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
-
- // xglFogi (GL_FOG_MODE, GL_LINEAR);
- xglFogi (GL_FOG_MODE, GL_EXP2);
- // Fog density is now set when the weather system is initialized
- // xglFogf (GL_FOG_DENSITY, w->fog_density);
- if ( (current_options.get_fog() == 1) ||
- (current_options.get_shading() == 0) ) {
- // if fastest fog requested, or if flat shading force fastest
- xglHint ( GL_FOG_HINT, GL_FASTEST );
- } else if ( current_options.get_fog() == 2 ) {
- xglHint ( GL_FOG_HINT, GL_NICEST );
- }
- if ( current_options.get_wireframe() ) {
- // draw wire frame
- xglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
- }
-
- // This is the default anyways, but it can't hurt
- xglFrontFace ( GL_CCW );
-
- // Just testing ...
- // xglEnable(GL_POINT_SMOOTH);
- // xglEnable(GL_LINE_SMOOTH);
- // xglEnable(GL_POLYGON_SMOOTH);
-}
-
-
-#if 0
-// Draw a basic instrument panel
-static void fgUpdateInstrViewParams( void ) {
-
- exit(0);
-
- fgVIEW *v = ¤t_view;
-
- xglViewport(0, 0 , (GLint)(v->winWidth), (GLint)(v->winHeight) / 2);
-
- xglMatrixMode(GL_PROJECTION);
- xglPushMatrix();
-
- xglLoadIdentity();
- gluOrtho2D(0, 640, 0, 480);
- xglMatrixMode(GL_MODELVIEW);
- xglPushMatrix();
- xglLoadIdentity();
-
- xglColor3f(1.0, 1.0, 1.0);
- xglIndexi(7);
-
- xglDisable(GL_DEPTH_TEST);
- xglDisable(GL_LIGHTING);
-
- xglLineWidth(1);
- xglColor3f (0.5, 0.5, 0.5);
-
- xglBegin(GL_QUADS);
- xglVertex2f(0.0, 0.00);
- xglVertex2f(0.0, 480.0);
- xglVertex2f(640.0,480.0);
- xglVertex2f(640.0, 0.0);
- xglEnd();
-
- xglRectf(0.0,0.0, 640, 480);
- xglEnable(GL_DEPTH_TEST);
- xglEnable(GL_LIGHTING);
- xglMatrixMode(GL_PROJECTION);
- xglPopMatrix();
- xglMatrixMode(GL_MODELVIEW);
- xglPopMatrix();
-}
-#endif
-
-
-// Update all Visuals (redraws anything graphics related)
-static void fgRenderFrame( void ) {
- fgLIGHT *l = &cur_light_params;
- FGTime *t = FGTime::cur_time_params;
- FGView *v = ¤t_view;
-
- double angle;
- // GLfloat black[4] = { 0.0, 0.0, 0.0, 1.0 };
- GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
- GLfloat terrain_color[4] = { 0.54, 0.44, 0.29, 1.0 };
- // GLfloat mat_shininess[] = { 10.0 };
- GLbitfield clear_mask;
-
- if ( idle_state != 1000 ) {
- // still initializing, draw the splash screen
- if ( current_options.get_splash_screen() == 1 ) {
- fgSplashUpdate(0.0);
- }
- } else {
- // idle_state is now 1000 meaning we've finished all our
- // initializations and are running the main loop, so this will
- // now work without seg faulting the system.
-
- // printf("Ground = %.2f Altitude = %.2f\n", scenery.cur_elev,
- // FG_Altitude * FEET_TO_METER);
-
- // this is just a temporary hack, to make me understand Pui
- // timerText -> setLabel (ctime (&t->cur_time));
- // end of hack
-
- // update view volume parameters
- v->UpdateViewParams();
-
- // set the sun position
- xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
-
- clear_mask = GL_DEPTH_BUFFER_BIT;
- if ( current_options.get_wireframe() ) {
- clear_mask |= GL_COLOR_BUFFER_BIT;
- }
- if ( current_options.get_panel_status() ) {
- // we can't clear the screen when the panel is active
- } else if ( current_options.get_skyblend() ) {
- if ( current_options.get_textures() ) {
- // glClearColor(black[0], black[1], black[2], black[3]);
- glClearColor(l->adj_fog_color[0], l->adj_fog_color[1],
- l->adj_fog_color[2], l->adj_fog_color[3]);
- clear_mask |= GL_COLOR_BUFFER_BIT;
- }
- } else {
- glClearColor(l->sky_color[0], l->sky_color[1],
- l->sky_color[2], l->sky_color[3]);
- clear_mask |= GL_COLOR_BUFFER_BIT;
- }
- xglClear( clear_mask );
-
- // Tell GL we are switching to model view parameters
- xglMatrixMode(GL_MODELVIEW);
- // xglLoadIdentity();
-
- // draw sky
- xglDisable( GL_DEPTH_TEST );
- xglDisable( GL_LIGHTING );
- xglDisable( GL_CULL_FACE );
- xglDisable( GL_FOG );
- xglShadeModel( GL_SMOOTH );
- if ( current_options.get_skyblend() ) {
- fgSkyRender();
- }
-
- // setup transformation for drawing astronomical objects
- xglPushMatrix();
- // Translate to view position
- Point3D view_pos = v->get_view_pos();
- xglTranslatef( view_pos.x(), view_pos.y(), view_pos.z() );
- // Rotate based on gst (sidereal time)
- // note: constant should be 15.041085, Curt thought it was 15
- angle = t->getGst() * 15.041085;
- // printf("Rotating astro objects by %.2f degrees\n",angle);
- xglRotatef( angle, 0.0, 0.0, -1.0 );
-
- // draw stars and planets
- fgStarsRender();
- xglEnable( GL_CULL_FACE ); // for moon
- //xglEnable(GL_DEPTH_TEST);
- SolarSystem::theSolarSystem->draw();
-
- xglPopMatrix();
-
- // draw scenery
- if ( current_options.get_shading() ) {
- xglShadeModel( GL_SMOOTH );
- } else {
- xglShadeModel( GL_FLAT );
- }
- xglEnable( GL_DEPTH_TEST );
- if ( current_options.get_fog() > 0 ) {
- xglEnable( GL_FOG );
- xglFogfv (GL_FOG_COLOR, l->adj_fog_color);
- }
- // set lighting parameters
- xglLightfv(GL_LIGHT0, GL_AMBIENT, l->scene_ambient );
- xglLightfv(GL_LIGHT0, GL_DIFFUSE, l->scene_diffuse );
- // xglLightfv(GL_LIGHT0, GL_SPECULAR, white );
-
- if ( current_options.get_textures() ) {
- // texture parameters
- xglEnable( GL_TEXTURE_2D );
- xglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ) ;
- xglHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST ) ;
- // set base color (I don't think this is doing anything here)
- xglMaterialfv (GL_FRONT, GL_AMBIENT, white);
- xglMaterialfv (GL_FRONT, GL_DIFFUSE, white);
- // xglMaterialfv (GL_FRONT, GL_SPECULAR, white);
- // xglMaterialfv (GL_FRONT, GL_SHININESS, mat_shininess);
- } else {
- xglDisable( GL_TEXTURE_2D );
- xglMaterialfv (GL_FRONT, GL_AMBIENT, terrain_color);
- xglMaterialfv (GL_FRONT, GL_DIFFUSE, terrain_color);
- // xglMaterialfv (GL_FRONT, GL_AMBIENT, white);
- // xglMaterialfv (GL_FRONT, GL_DIFFUSE, white);
- }
-
- global_tile_mgr.render();
-
- xglDisable( GL_TEXTURE_2D );
- xglDisable( GL_FOG );
-
- // display HUD && Panel
- xglDisable( GL_CULL_FACE );
- fgCockpitUpdate();
-
- // We can do translucent menus, so why not. :-)
- xglEnable ( GL_BLEND ) ;
- xglBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
- puDisplay();
- xglDisable ( GL_BLEND ) ;
- xglEnable( GL_FOG );
- }
-
- xglutSwapBuffers();
-}
-
-
-// Update internal time dependent calculations (i.e. flight model)
-void fgUpdateTimeDepCalcs(int multi_loop, int remainder) {
- FGInterface *f = current_aircraft.fdm_state;
- fgLIGHT *l = &cur_light_params;
- FGTime *t = FGTime::cur_time_params;
- FGView *v = ¤t_view;
- int i;
-
- // update the flight model
- if ( multi_loop < 0 ) {
- multi_loop = DEFAULT_MULTILOOP;
- }
-
- if ( !t->getPause() ) {
- // run Autopilot system
- fgAPRun();
-
- // printf("updating flight model x %d\n", multi_loop);
- fgFDMUpdate( current_options.get_flight_model(),
- cur_fdm_state, multi_loop, remainder );
- } else {
- fgFDMUpdate( current_options.get_flight_model(),
- cur_fdm_state, 0, remainder );
- }
-
- // update the view angle
- for ( i = 0; i < multi_loop; i++ ) {
- if ( fabs(v->get_goal_view_offset() - v->get_view_offset()) < 0.05 ) {
- v->set_view_offset( v->get_goal_view_offset() );
- break;
- } else {
- // move v->view_offset towards v->goal_view_offset
- if ( v->get_goal_view_offset() > v->get_view_offset() ) {
- if ( v->get_goal_view_offset() - v->get_view_offset() < FG_PI ){
- v->inc_view_offset( 0.01 );
- } else {
- v->inc_view_offset( -0.01 );
- }
- } else {
- if ( v->get_view_offset() - v->get_goal_view_offset() < FG_PI ){
- v->inc_view_offset( -0.01 );
- } else {
- v->inc_view_offset( 0.01 );
- }
- }
- if ( v->get_view_offset() > FG_2PI ) {
- v->inc_view_offset( -FG_2PI );
- } else if ( v->get_view_offset() < 0 ) {
- v->inc_view_offset( FG_2PI );
- }
- }
- }
-
- double tmp = -(l->sun_rotation + FG_PI)
- - (f->get_Psi() - v->get_view_offset() );
- while ( tmp < 0.0 ) {
- tmp += FG_2PI;
- }
- while ( tmp > FG_2PI ) {
- tmp -= FG_2PI;
- }
- /* printf("Psi = %.2f, viewoffset = %.2f sunrot = %.2f rottosun = %.2f\n",
- FG_Psi * RAD_TO_DEG, v->view_offset * RAD_TO_DEG,
- -(l->sun_rotation+FG_PI) * RAD_TO_DEG, tmp * RAD_TO_DEG); */
- l->UpdateAdjFog();
-}
-
-
-void fgInitTimeDepCalcs( void ) {
- // initialize timer
-
- // #ifdef HAVE_SETITIMER
- // fgTimerInit( 1.0 / DEFAULT_TIMER_HZ, fgUpdateTimeDepCalcs );
- // #endif HAVE_SETITIMER
-}
-
-static const double alt_adjust_ft = 3.758099;
-static const double alt_adjust_m = alt_adjust_ft * FEET_TO_METER;
-
-// What should we do when we have nothing else to do? Let's get ready
-// for the next move and update the display?
-static void fgMainLoop( void ) {
- FGInterface *f;
- FGTime *t;
- static long remainder = 0;
- long elapsed, multi_loop;
-#ifdef FANCY_FRAME_COUNTER
- int i;
- double accum;
-#else
- static time_t last_time = 0;
- static int frames = 0;
-#endif // FANCY_FRAME_COUNTER
-
- f = current_aircraft.fdm_state;
- t = FGTime::cur_time_params;
-
- FG_LOG( FG_ALL, FG_DEBUG, "Running Main Loop");
- FG_LOG( FG_ALL, FG_DEBUG, "======= ==== ====");
-
-#if defined( ENABLE_PLIB_JOYSTICK )
- // Read joystick and update control settings
- fgJoystickRead();
-#elif defined( ENABLE_GLUT_JOYSTICK )
- // Glut joystick support works by feeding a joystick handler
- // function to glut. This is taken care of once in the joystick
- // init routine and we don't have to worry about it again.
-#endif
-
- current_weather.Update();
-
- // Fix elevation. I'm just sticking this here for now, it should
- // probably move eventually
-
- /* printf("Before - ground = %.2f runway = %.2f alt = %.2f\n",
- scenery.cur_elev,
- f->get_Runway_altitude() * FEET_TO_METER,
- f->get_Altitude() * FEET_TO_METER); */
-
- if ( scenery.cur_elev > -9990 ) {
- if ( f->get_Altitude() * FEET_TO_METER <
- (scenery.cur_elev + alt_adjust_m - 3.0) ) {
- // now set aircraft altitude above ground
- printf("Current Altitude = %.2f < %.2f forcing to %.2f\n",
- f->get_Altitude() * FEET_TO_METER,
- scenery.cur_elev + alt_adjust_m - 3.0,
- scenery.cur_elev + alt_adjust_m );
- fgFDMForceAltitude( current_options.get_flight_model(),
- scenery.cur_elev + alt_adjust_m );
-
- FG_LOG( FG_ALL, FG_DEBUG,
- "<*> resetting altitude to "
- << f->get_Altitude() * FEET_TO_METER << " meters" );
- }
- fgFDMSetGroundElevation( current_options.get_flight_model(),
- scenery.cur_elev ); // meters
- }
-
- /* printf("Adjustment - ground = %.2f runway = %.2f alt = %.2f\n",
- scenery.cur_elev,
- f->get_Runway_altitude() * FEET_TO_METER,
- f->get_Altitude() * FEET_TO_METER); */
-
- // update "time"
- t->update(f);
-
- // Get elapsed time (in usec) for this past frame
- elapsed = fgGetTimeInterval();
- FG_LOG( FG_ALL, FG_DEBUG,
- "Elapsed time interval is = " << elapsed
- << ", previous remainder is = " << remainder );
-
- // Calculate frame rate average
-#ifdef FANCY_FRAME_COUNTER
- /* old fps calculation */
- if ( elapsed > 0 ) {
- double tmp;
- accum = 0.0;
- for ( i = FG_FRAME_RATE_HISTORY - 2; i >= 0; i-- ) {
- tmp = general.get_frame(i);
- accum += tmp;
- // printf("frame[%d] = %.2f\n", i, g->frames[i]);
- general.set_frame(i+1,tmp);
- }
- tmp = 1000000.0 / (float)elapsed;
- general.set_frame(0,tmp);
- // printf("frame[0] = %.2f\n", general.frames[0]);
- accum += tmp;
- general.set_frame_rate(accum / (float)FG_FRAME_RATE_HISTORY);
- // printf("ave = %.2f\n", general.frame_rate);
- }
-#else
- if ( (t->get_cur_time() != last_time) && (last_time > 0) ) {
- general.set_frame_rate( frames );
- FG_LOG( FG_ALL, FG_DEBUG,
- "--> Frame rate is = " << general.get_frame_rate() );
- frames = 0;
- }
- last_time = t->get_cur_time();
- ++frames;
-#endif
-
- // Run flight model
- if ( ! use_signals ) {
- // Calculate model iterations needed for next frame
- elapsed += remainder;
-
- multi_loop = (int)(((double)elapsed * 0.000001) * DEFAULT_MODEL_HZ);
- remainder = elapsed - ((multi_loop*1000000) / DEFAULT_MODEL_HZ);
- FG_LOG( FG_ALL, FG_DEBUG,
- "Model iterations needed = " << multi_loop
- << ", new remainder = " << remainder );
-
- // flight model
- if ( multi_loop > 0 ) {
- fgUpdateTimeDepCalcs(multi_loop, remainder);
- } else {
- FG_LOG( FG_ALL, FG_INFO, "Elapsed time is zero ... we're zinging" );
- }
- }
-
-#if ! defined( MACOS )
- // Do any serial port work that might need to be done
- fgSerialProcess();
-#endif
-
- // see if we need to load any new scenery tiles
- global_tile_mgr.update();
-
- // Process/manage pending events
- global_events.Process();
-
- // Run audio scheduler
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( current_options.get_sound() && !audio_sched->not_working() ) {
-
-# ifdef MICHAEL_JOHNSON_EXPERIMENTAL_ENGINE_AUDIO
-
- // note: all these factors are relative to the sample. our
- // sample format should really contain a conversion factor so
- // that we can get prop speed right for arbitrary samples.
- // Note that for normal-size props, there is a point at which
- // the prop tips approach the speed of sound; that is a pretty
- // strong limit to how fast the prop can go.
-
- // multiplication factor is prime pitch control; add some log
- // component for verisimilitude
-
- double pitch = log((controls.get_throttle(0) * 14.0) + 1.0);
- //fprintf(stderr, "pitch1: %f ", pitch);
- if (controls.get_throttle(0) > 0.0 || f->v_rel_wind > 40.0) {
- //fprintf(stderr, "rel_wind: %f ", f->v_rel_wind);
- // only add relative wind and AoA if prop is moving
- // or we're really flying at idle throttle
- if (pitch < 5.4) { // this needs tuning
- // prop tips not breaking sound barrier
- pitch += log(f->v_rel_wind + 0.8)/2;
- } else {
- // prop tips breaking sound barrier
- pitch += log(f->v_rel_wind + 0.8)/10;
- }
- //fprintf(stderr, "pitch2: %f ", pitch);
- //fprintf(stderr, "AoA: %f ", FG_Gamma_vert_rad);
-
- // Angle of Attack next... -x^3(e^x) is my best guess Just
- // need to calculate some reasonable scaling factor and
- // then clamp it on the positive aoa (neg adj) side
- double aoa = f->get_Gamma_vert_rad() * 2.2;
- double tmp = 3.0;
- double aoa_adj = pow(-aoa, tmp) * pow(M_E, aoa);
- if (aoa_adj < -0.8) aoa_adj = -0.8;
- pitch += aoa_adj;
- //fprintf(stderr, "pitch3: %f ", pitch);
-
- // don't run at absurdly slow rates -- not realistic
- // and sounds bad to boot. :-)
- if (pitch < 0.8) pitch = 0.8;
- }
- //fprintf(stderr, "pitch4: %f\n", pitch);
-
- double volume = controls.get_throttle(0) * 1.15 + 0.3 +
- log(f->v_rel_wind + 1.0)/14.0;
- // fprintf(stderr, "volume: %f\n", volume);
-
- pitch_envelope.setStep ( 0, 0.01, pitch );
- volume_envelope.setStep ( 0, 0.01, volume );
-
-# else
-
- double param = controls.get_throttle( 0 ) * 2.0 + 1.0;
- pitch_envelope.setStep ( 0, 0.01, param );
- volume_envelope.setStep ( 0, 0.01, param );
-
-# endif // experimental throttle patch
-
- audio_sched -> update();
- }
-#endif
-
- // redraw display
- fgRenderFrame();
-
- FG_LOG( FG_ALL, FG_DEBUG, "" );
-}
-
-
-// This is the top level master main function that is registered as
-// our idle funciton
-//
-
-// The first few passes take care of initialization things (a couple
-// per pass) and once everything has been initialized fgMainLoop from
-// then on.
-
-static void fgIdleFunction ( void ) {
- // printf("idle state == %d\n", idle_state);
-
- if ( idle_state == 0 ) {
- // Initialize the splash screen right away
- if ( current_options.get_splash_screen() ) {
- fgSplashInit();
- }
-
- idle_state++;
- } else if ( idle_state == 1 ) {
- // Start the intro music
-#if !defined(WIN32)
- if ( current_options.get_intro_music() ) {
- string lockfile = "/tmp/mpg123.running";
- FGPath mp3file( current_options.get_fg_root() );
- mp3file.append( "Sounds/intro.mp3" );
-
- string command = "(touch " + lockfile + "; mpg123 "
- + mp3file.str() + "> /dev/null 2>&1; /bin/rm "
- + lockfile + ") &";
- FG_LOG( FG_GENERAL, FG_INFO,
- "Starting intro music: " << mp3file.str() );
- system ( command.c_str() );
- }
-#endif
-
- idle_state++;
- } else if ( idle_state == 2 ) {
- // These are a few miscellaneous things that aren't really
- // "subsystems" but still need to be initialized.
-
-#ifdef USE_GLIDE
- if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
- grTexLodBiasValue ( GR_TMU0, 1.0 ) ;
- }
-#endif
-
- idle_state++;
- } else if ( idle_state == 3 ) {
- // This is the top level init routine which calls all the
- // other subsystem initialization routines. If you are adding
- // a subsystem to flight gear, its initialization call should
- // located in this routine.
- if( !fgInitSubsystems()) {
- FG_LOG( FG_GENERAL, FG_ALERT,
- "Subsystem initializations failed ..." );
- exit(-1);
- }
-
- idle_state++;
- } else if ( idle_state == 4 ) {
- // setup OpenGL view parameters
- fgInitVisuals();
-
- if ( use_signals ) {
- // init timer routines, signals, etc. Arrange for an alarm
- // signal to be generated, etc.
- fgInitTimeDepCalcs();
- }
-
- idle_state++;
- } else if ( idle_state == 5 ) {
-
- idle_state++;
- } else if ( idle_state == 6 ) {
- // Initialize audio support
-#ifdef ENABLE_AUDIO_SUPPORT
-
-#if !defined(WIN32)
- if ( current_options.get_intro_music() ) {
- // Let's wait for mpg123 to finish
- string lockfile = "/tmp/mpg123.running";
- struct stat stat_buf;
-
- FG_LOG( FG_GENERAL, FG_INFO,
- "Waiting for mpg123 player to finish ..." );
- while ( stat(lockfile.c_str(), &stat_buf) == 0 ) {
- // file exist, wait ...
- sleep(1);
- FG_LOG( FG_GENERAL, FG_INFO, ".");
- }
- FG_LOG( FG_GENERAL, FG_INFO, "");
- }
-#endif // WIN32
-
- audio_sched = new slScheduler ( 8000 );
- audio_mixer = new smMixer;
- audio_mixer -> setMasterVolume ( 80 ) ; /* 80% of max volume. */
- audio_sched -> setSafetyMargin ( 1.0 ) ;
-
- FGPath slfile( current_options.get_fg_root() );
- slfile.append( "Sounds/wasp.wav" );
-
- s1 = new slSample ( (char *)slfile.c_str() );
- FG_LOG( FG_GENERAL, FG_INFO,
- "Rate = " << s1 -> getRate()
- << " Bps = " << s1 -> getBps()
- << " Stereo = " << s1 -> getStereo() );
- audio_sched -> loopSample ( s1 );
-
- if ( audio_sched->not_working() ) {
- // skip
- } else {
- pitch_envelope.setStep ( 0, 0.01, 0.6 );
- volume_envelope.setStep ( 0, 0.01, 0.6 );
-
- audio_sched -> addSampleEnvelope( s1, 0, 0, &
- pitch_envelope,
- SL_PITCH_ENVELOPE );
- audio_sched -> addSampleEnvelope( s1, 0, 1,
- &volume_envelope,
- SL_VOLUME_ENVELOPE );
- }
-
- // strcpy(slfile, path);
- // strcat(slfile, "thunder.wav");
- // s2 -> loadFile ( slfile );
- // s2 -> adjustVolume(0.5);
- // audio_sched -> playSample ( s2 );
-#endif
-
- // sleep(1);
- idle_state = 1000;
- }
-
- if ( idle_state == 1000 ) {
- // We've finished all our initialization steps, from now on we
- // run the main loop.
-
- fgMainLoop();
- } else {
- if ( current_options.get_splash_screen() == 1 ) {
- fgSplashUpdate(0.0);
- }
- }
-}
-
-// options.cxx needs to see this for toggle_panel()
-// Handle new window size or exposure
-void fgReshape( int width, int height ) {
- // Do this so we can call fgReshape(0,0) ourselves without having
- // to know what the values of width & height are.
- if ( (height > 0) && (width > 0) ) {
- if ( ! current_options.get_panel_status() ) {
- current_view.set_win_ratio( (GLfloat) width / (GLfloat) height );
- } else {
- current_view.set_win_ratio( (GLfloat) width /
- ((GLfloat) (height)*0.4232) );
- }
- }
-
- current_view.set_winWidth( width );
- current_view.set_winHeight( height );
- current_view.force_update_fov_math();
-
- // Inform gl of our view window size (now handled elsewhere)
- // xglViewport(0, 0, (GLint)width, (GLint)height);
- if ( idle_state == 1000 ) {
- // yes we've finished all our initializations and are running
- // the main loop, so this will now work without seg faulting
- // the system.
- current_view.UpdateViewParams();
- if ( current_options.get_panel_status() ) {
- FGPanel::OurPanel->ReInit(0, 0, 1024, 768);
- }
- }
-}
-
-
-// Initialize GLUT and define a main window
-int fgGlutInit( int *argc, char **argv ) {
-
-#if !defined( MACOS )
- // GLUT will extract all glut specific options so later on we only
- // need wory about our own.
- xglutInit(argc, argv);
-#endif
-
- // Define Display Parameters
- xglutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
-
- FG_LOG( FG_GENERAL, FG_INFO, "Opening a window: " <<
- current_options.get_xsize() << "x" << current_options.get_ysize() );
-
- // Define initial window size
- xglutInitWindowSize( current_options.get_xsize(),
- current_options.get_ysize() );
-
- // Initialize windows
- if ( current_options.get_game_mode() == 0 ) {
- // Open the regular window
- xglutCreateWindow("Flight Gear");
-#ifndef GLUT_WRONG_VERSION
- } else {
- // Open the cool new 'game mode' window
- char game_mode_str[256];
- sprintf( game_mode_str, "width=%d height=%d bpp=32",
- current_options.get_xsize(),
- current_options.get_ysize() );
-
- FG_LOG( FG_GENERAL, FG_INFO,
- "game mode params = " << game_mode_str );
- glutGameModeString( game_mode_str );
- glutEnterGameMode();
-#endif
- }
-
- // This seems to be the absolute earliest in the init sequence
- // that these calls will return valid info. Too bad it's after
- // we've already created and sized out window. :-(
- general.set_glVendor( (char *)glGetString ( GL_VENDOR ) );
- general.set_glRenderer( (char *)glGetString ( GL_RENDERER ) );
- general.set_glVersion( (char *)glGetString ( GL_VERSION ) );
-
- FG_LOG ( FG_GENERAL, FG_INFO, general.get_glRenderer() );
-
-#if 0
- // try to determine if we should adjust the initial default
- // display resolution. The options class defaults (is
- // initialized) to 640x480.
- string renderer = general.glRenderer;
-
- // currently we only know how to deal with Mesa/Glide/Voodoo cards
- if ( renderer.find( "Glide" ) != string::npos ) {
- FG_LOG( FG_GENERAL, FG_INFO, "Detected a Glide driver" );
- if ( renderer.find( "FB/8" ) != string::npos ) {
- // probably a voodoo-2
- if ( renderer.find( "TMU/SLI" ) != string::npos ) {
- // probably two SLI'd Voodoo-2's
- current_options.set_xsize( 1024 );
- current_options.set_ysize( 768 );
- FG_LOG( FG_GENERAL, FG_INFO,
- "It looks like you have two sli'd voodoo-2's." << endl
- << "upgrading your win resolution to 1024 x 768" );
- glutReshapeWindow(1024, 768);
- } else {
- // probably a single non-SLI'd Voodoo-2
- current_options.set_xsize( 800 );
- current_options.set_ysize( 600 );
- FG_LOG( FG_GENERAL, FG_INFO,
- "It looks like you have a voodoo-2." << endl
- << "upgrading your win resolution to 800 x 600" );
- glutReshapeWindow(800, 600);
- }
- } else if ( renderer.find( "FB/2" ) != string::npos ) {
- // probably a voodoo-1, stick with the default
- }
- } else {
- // we have no special knowledge of this card, stick with the default
- }
-#endif
-
- return(1);
-}
-
-
-// Initialize GLUT event handlers
-int fgGlutInitEvents( void ) {
- // call fgReshape() on window resizes
- xglutReshapeFunc( fgReshape );
-
- // call GLUTkey() on keyboard event
- xglutKeyboardFunc( GLUTkey );
- glutSpecialFunc( GLUTspecialkey );
-
- // call guiMouseFunc() whenever our little rodent is used
- glutMouseFunc ( guiMouseFunc );
- glutMotionFunc (guiMotionFunc );
- glutPassiveMotionFunc (guiMotionFunc );
-
- // call fgMainLoop() whenever there is
- // nothing else to do
- xglutIdleFunc( fgIdleFunction );
-
- // draw the scene
- xglutDisplayFunc( fgRenderFrame );
-
- return(1);
-}
-
-
-// Main ...
-int main( int argc, char **argv ) {
-
-#if defined( MACOS )
- argc = ccommand( &argv );
-#endif
-
- FGInterface *f;
-
- f = current_aircraft.fdm_state;
-
-#ifdef HAVE_BC5PLUS
- _control87(MCW_EM, MCW_EM); /* defined in float.h */
-#endif
-
- // set default log levels
- fglog().setLogLevels( FG_ALL, FG_INFO );
-
- FG_LOG( FG_GENERAL, FG_INFO, "Flight Gear: Version " << VERSION << endl );
-
- string root;
-
- FG_LOG( FG_GENERAL, FG_INFO, "General Initialization" );
- FG_LOG( FG_GENERAL, FG_INFO, "======= ==============" );
-
- // seed the random number generater
- fg_srandom();
-
- // Attempt to locate and parse a config file
- // First check fg_root
- FGPath config( current_options.get_fg_root() );
- config.append( "system.fgfsrc" );
- current_options.parse_config_file( config.str() );
-
- // Next check home directory
- char* envp = ::getenv( "HOME" );
- if ( envp != NULL ) {
- config.set( envp );
- config.append( ".fgfsrc" );
- current_options.parse_config_file( config.str() );
- }
-
- // Parse remaining command line options
- // These will override anything specified in a config file
- if ( current_options.parse_command_line(argc, argv) !=
- fgOPTIONS::FG_OPTIONS_OK )
- {
- // Something must have gone horribly wrong with the command
- // line parsing or maybe the user just requested help ... :-)
- current_options.usage();
- FG_LOG( FG_GENERAL, FG_ALERT, "\nExiting ...");
- exit(-1);
- }
-
- // Initialize the Window/Graphics environment.
- if( !fgGlutInit(&argc, argv) ) {
- FG_LOG( FG_GENERAL, FG_ALERT, "GLUT initialization failed ..." );
- exit(-1);
- }
-
- // Initialize the various GLUT Event Handlers.
- if( !fgGlutInitEvents() ) {
- FG_LOG( FG_GENERAL, FG_ALERT,
- "GLUT event handler initialization failed ..." );
- exit(-1);
- }
-
- // Init the user interface (we need to do this before passing off
- // control to glut and before fgInitGeneral to get our fonts !!!
- guiInit();
-
- // First do some quick general initializations
- if( !fgInitGeneral()) {
- FG_LOG( FG_GENERAL, FG_ALERT,
- "General initializations failed ..." );
- exit(-1);
- }
-
- // pass control off to the master GLUT event handler
- glutMainLoop();
-
- // we never actually get here ... but just in case ... :-)
- return(0);
-}
--- /dev/null
+// GLUTkey.cxx -- handle GLUT keyboard events
+//
+// Written by Curtis Olson, started May 1997.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
+
+#include <GL/glut.h>
+#include <XGL/xgl.h>
+
+#if defined(FX) && defined(XMESA)
+#include <GL/xmesa.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <Debug/logstream.hxx>
+#include <Aircraft/aircraft.hxx>
+#include <Astro/solarsystem.hxx>
+#include <Astro/sky.hxx>
+#include <Autopilot/autopilot.hxx>
+#include <Cockpit/hud.hxx>
+#include <GUI/gui.h>
+#include <Include/fg_constants.h>
+#include <Scenery/tilemgr.hxx>
+#include <Objects/materialmgr.hxx>
+#include <plib/pu.h>
+#include <Time/fg_time.hxx>
+#include <Time/light.hxx>
+#include <Weather/weather.hxx>
+
+#include "GLUTkey.hxx"
+#include "options.hxx"
+#include "views.hxx"
+
+extern void NewAltitude( puObject *cb );
+extern void NewHeading( puObject *cb );
+
+// Force an update of the sky and lighting parameters
+static void local_update_sky_and_lighting_params( void ) {
+ // fgSunInit();
+ SolarSystem::theSolarSystem->rebuild();
+ cur_light_params.Update();
+ fgSkyColorsInit();
+}
+
+
+// Handle keyboard events
+void GLUTkey(unsigned char k, int x, int y) {
+ FGInterface *f;
+ FGTime *t;
+ FGView *v;
+ FGWeather *w;
+ float fov, tmp;
+ static bool winding_ccw = true;
+
+ f = current_aircraft.fdm_state;
+ t = FGTime::cur_time_params;
+ v = ¤t_view;
+ w = ¤t_weather;
+
+ FG_LOG( FG_INPUT, FG_DEBUG, "Key hit = " << k );
+ if ( puKeyboard(k, PU_DOWN) ) {
+ return;
+ }
+
+ if ( GLUT_ACTIVE_ALT && glutGetModifiers() ) {
+ FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
+ switch (k) {
+ case 1: // Ctrl-A key
+ fgAPToggleAltitude();
+ return;
+ case 8: // Ctrl-H key
+ fgAPToggleHeading();
+ return;
+ case 18: // Ctrl-R key
+ // temporary
+ winding_ccw = !winding_ccw;
+ if ( winding_ccw ) {
+ glFrontFace ( GL_CCW );
+ } else {
+ glFrontFace ( GL_CW );
+ }
+ return;
+ case 19: // Ctrl-S key
+ fgAPToggleAutoThrottle();
+ return;
+ case 20: // Ctrl-T key
+ fgAPToggleTerrainFollow();
+ return;
+ case 49: // numeric keypad 1
+ v->set_goal_view_offset( FG_PI * 0.75 );
+ return;
+ case 50: // numeric keypad 2
+ v->set_goal_view_offset( FG_PI );
+ return;
+ case 51: // numeric keypad 3
+ v->set_goal_view_offset( FG_PI * 1.25 );
+ return;
+ case 52: // numeric keypad 4
+ v->set_goal_view_offset( FG_PI * 0.50 );
+ return;
+ case 54: // numeric keypad 6
+ v->set_goal_view_offset( FG_PI * 1.50 );
+ return;
+ case 55: // numeric keypad 7
+ v->set_goal_view_offset( FG_PI * 0.25 );
+ return;
+ case 56: // numeric keypad 8
+ v->set_goal_view_offset( 0.00 );
+ return;
+ case 57: // numeric keypad 9
+ v->set_goal_view_offset( FG_PI * 1.75 );
+ return;
+ case 72: // H key
+ // status = current_options.get_hud_status();
+ // current_options.set_hud_status(!status);
+ HUD_brightkey( true );
+ return;
+ case 73: // I key
+ // Minimal Hud
+ fgHUDInit2(¤t_aircraft);
+ return;
+ case 77: // M key
+ t->adjust_warp(-60);
+ local_update_sky_and_lighting_params();
+ return;
+ case 80: // P key
+ current_options.toggle_panel();
+ break;
+ case 84: // T key
+ t->adjust_warp_delta(-30);
+ local_update_sky_and_lighting_params();
+ return;
+ case 87: // W key
+#if defined(FX) && !defined(WIN32)
+ global_fullscreen = ( !global_fullscreen );
+# if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
+ XMesaSetFXmode( global_fullscreen ?
+ XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
+# endif
+#endif
+ return;
+ case 88: // X key
+ fov = current_options.get_fov();
+ fov *= 1.05;
+ if ( fov > FG_FOV_MAX ) {
+ fov = FG_FOV_MAX;
+ }
+ current_options.set_fov(fov);
+ v->force_update_fov_math();
+ return;
+ case 90: // Z key
+ tmp = w->get_visibility(); // in meters
+ tmp /= 1.10;
+ w->set_visibility( tmp );
+ return;
+ }
+ } else {
+ FG_LOG( FG_INPUT, FG_DEBUG, "" );
+ switch (k) {
+ case 50: // numeric keypad 2
+ if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
+ fgAPAltitudeAdjust( 100 );
+ } else {
+ controls.move_elevator(-0.05);
+ }
+ return;
+ case 56: // numeric keypad 8
+ if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
+ fgAPAltitudeAdjust( -100 );
+ } else {
+ controls.move_elevator(0.05);
+ }
+ return;
+ case 49: // numeric keypad 1
+ controls.move_elevator_trim(-0.001);
+ return;
+ case 55: // numeric keypad 7
+ controls.move_elevator_trim(0.001);
+ return;
+ case 52: // numeric keypad 4
+ controls.move_aileron(-0.05);
+ return;
+ case 54: // numeric keypad 6
+ controls.move_aileron(0.05);
+ return;
+ case 48: // numeric keypad Ins
+ if( fgAPHeadingEnabled() ) {
+ fgAPHeadingAdjust( -1 );
+ } else {
+ controls.move_rudder(-0.05);
+ }
+ return;
+ case 13: // numeric keypad Enter
+ if( fgAPHeadingEnabled() ) {
+ fgAPHeadingAdjust( 1 );
+ } else {
+ controls.move_rudder(0.05);
+ }
+ return;
+ case 53: // numeric keypad 5
+ controls.set_aileron(0.0);
+ controls.set_elevator(0.0);
+ controls.set_rudder(0.0);
+ return;
+ case 57: // numeric keypad 9 (Pg Up)
+ if( fgAPAutoThrottleEnabled() ) {
+ fgAPAutoThrottleAdjust( 5 );
+ } else {
+ controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
+ }
+ return;
+ case 51: // numeric keypad 3 (Pg Dn)
+ if( fgAPAutoThrottleEnabled() ) {
+ fgAPAutoThrottleAdjust( -5 );
+ } else {
+ controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
+ }
+ return;
+ case 98: // b key
+ int b_ret;
+ double b_set;
+ b_ret = int( controls.get_brake( 0 ) );
+ b_set = double(!b_ret);
+ controls.set_brake( FGControls::ALL_WHEELS, b_set);
+ return;
+ case 104: // h key
+ HUD_brightkey( false );
+ return;
+ case 105: // i key
+ fgHUDInit(¤t_aircraft); // normal HUD
+ return;
+ case 109: // m key
+ t->adjust_warp (+60);
+ local_update_sky_and_lighting_params();
+ return;
+ case 112: // p key
+ t->togglePauseMode();
+ // printf position and attitude information
+ FG_LOG( FG_INPUT, FG_INFO,
+ "Lon = " << f->get_Longitude() * RAD_TO_DEG
+ << " Lat = " << f->get_Latitude() * RAD_TO_DEG
+ << " Altitude = " << f->get_Altitude() * FEET_TO_METER );
+ FG_LOG( FG_INPUT, FG_INFO,
+ "Heading = " << f->get_Psi() * RAD_TO_DEG
+ << " Roll = " << f->get_Phi() * RAD_TO_DEG
+ << " Pitch = " << f->get_Theta() * RAD_TO_DEG );
+ return;
+ case 116: // t key
+ t->adjust_warp_delta (+30);
+ local_update_sky_and_lighting_params();
+ return;
+ case 120: // X key
+ fov = current_options.get_fov();
+ fov /= 1.05;
+ if ( fov < FG_FOV_MIN ) {
+ fov = FG_FOV_MIN;
+ }
+ current_options.set_fov(fov);
+ v->force_update_fov_math();
+ return;
+ case 122: // z key
+ tmp = w->get_visibility(); // in meters
+ tmp *= 1.10;
+ w->set_visibility( tmp );
+ return;
+ case 27: // ESC
+ // if( fg_DebugOutput ) {
+ // fclose( fg_DebugOutput );
+ // }
+ FG_LOG( FG_INPUT, FG_ALERT,
+ "Program exiting normally at user request." );
+ ConfirmExitDialog();
+ return;
+ }
+ }
+}
+
+
+// Handle "special" keyboard events
+void GLUTspecialkey(int k, int x, int y) {
+ FGView *v;
+
+ v = ¤t_view;
+
+ FG_LOG( FG_INPUT, FG_DEBUG, "Special key hit = " << k );
+
+ if ( puKeyboard(k + PU_KEY_GLUT_SPECIAL_OFFSET, PU_DOWN) ) {
+ return;
+ }
+
+ if ( GLUT_ACTIVE_SHIFT && glutGetModifiers() ) {
+ FG_LOG( FG_INPUT, FG_DEBUG, " SHIFTED" );
+ switch (k) {
+ case GLUT_KEY_END: // numeric keypad 1
+ v->set_goal_view_offset( FG_PI * 0.75 );
+ return;
+ case GLUT_KEY_DOWN: // numeric keypad 2
+ v->set_goal_view_offset( FG_PI );
+ return;
+ case GLUT_KEY_PAGE_DOWN: // numeric keypad 3
+ v->set_goal_view_offset( FG_PI * 1.25 );
+ return;
+ case GLUT_KEY_LEFT: // numeric keypad 4
+ v->set_goal_view_offset( FG_PI * 0.50 );
+ return;
+ case GLUT_KEY_RIGHT: // numeric keypad 6
+ v->set_goal_view_offset( FG_PI * 1.50 );
+ return;
+ case GLUT_KEY_HOME: // numeric keypad 7
+ v->set_goal_view_offset( FG_PI * 0.25 );
+ return;
+ case GLUT_KEY_UP: // numeric keypad 8
+ v->set_goal_view_offset( 0.00 );
+ return;
+ case GLUT_KEY_PAGE_UP: // numeric keypad 9
+ v->set_goal_view_offset( FG_PI * 1.75 );
+ return;
+ }
+ } else {
+ FG_LOG( FG_INPUT, FG_DEBUG, "" );
+ switch (k) {
+ case GLUT_KEY_F2: // F2 Reload Tile Cache...
+ {
+ int toggle_pause;
+ FG_LOG(FG_INPUT, FG_INFO, "ReIniting TileCache");
+ FGTime *t = FGTime::cur_time_params;
+ if( (toggle_pause = !t->getPause()) )
+ t->togglePauseMode();
+ BusyCursor(0);
+ if( global_tile_mgr.init() ) {
+ // Load the local scenery data
+ global_tile_mgr.update();
+ } else {
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "Error in Tile Manager initialization!" );
+ exit(-1);
+ }
+ BusyCursor(1);
+ if(toggle_pause)
+ t->togglePauseMode();
+ return;
+ }
+ case GLUT_KEY_F8: // F8 toggles fog ... off fastest nicest...
+ current_options.cycle_fog();
+
+ if ( current_options.get_fog() == fgOPTIONS::FG_FOG_DISABLED ) {
+ FG_LOG( FG_INPUT, FG_INFO, "Fog disabled" );
+ } else if ( current_options.get_fog() ==
+ fgOPTIONS::FG_FOG_FASTEST )
+ {
+ FG_LOG( FG_INPUT, FG_INFO,
+ "Fog enabled, hint set to fastest" );
+ } else if ( current_options.get_fog() ==
+ fgOPTIONS::FG_FOG_NICEST )
+ {
+ FG_LOG( FG_INPUT, FG_INFO,
+ "Fog enabled, hint set to nicest" );
+ }
+
+ return;
+ case GLUT_KEY_F9: // F9 toggles textures on and off...
+ if ( material_mgr.loaded() ) {
+ current_options.get_textures() ?
+ current_options.set_textures(false) :
+ current_options.set_textures(true);
+ FG_LOG( FG_INPUT, FG_INFO, "Toggling texture" );
+ } else {
+ FG_LOG( FG_INPUT, FG_INFO,
+ "No textures loaded, cannot toggle" );
+ }
+ return;
+ case GLUT_KEY_F10: // F10 toggles menu on and off...
+ FG_LOG(FG_INPUT, FG_INFO, "Invoking call back function");
+ guiToggleMenu();
+ return;
+ case GLUT_KEY_F11: // F11 Altitude Dialog.
+ FG_LOG(FG_INPUT, FG_INFO, "Invoking Altitude call back function");
+ NewAltitude( NULL );
+ return;
+ case GLUT_KEY_F12: // F12 Heading Dialog...
+ FG_LOG(FG_INPUT, FG_INFO, "Invoking Heading call back function");
+ NewHeading( NULL );
+ return;
+ case GLUT_KEY_UP:
+ if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
+ fgAPAltitudeAdjust( -100 );
+ } else {
+ controls.move_elevator(0.05);
+ }
+ return;
+ case GLUT_KEY_DOWN:
+ if( fgAPAltitudeEnabled() || fgAPTerrainFollowEnabled() ) {
+ fgAPAltitudeAdjust( 100 );
+ } else {
+ controls.move_elevator(-0.05);
+ }
+ return;
+ case GLUT_KEY_LEFT:
+ controls.move_aileron(-0.05);
+ return;
+ case GLUT_KEY_RIGHT:
+ controls.move_aileron(0.05);
+ return;
+ case GLUT_KEY_HOME: // numeric keypad 1
+ controls.move_elevator_trim(0.001);
+ return;
+ case GLUT_KEY_END: // numeric keypad 7
+ controls.move_elevator_trim(-0.001);
+ return;
+ case GLUT_KEY_INSERT: // numeric keypad Ins
+ if( fgAPHeadingEnabled() ) {
+ fgAPHeadingAdjust( -1 );
+ } else {
+ controls.move_rudder(-0.05);
+ }
+ return;
+ case 13: // numeric keypad Enter
+ if( fgAPHeadingEnabled() ) {
+ fgAPHeadingAdjust( 1 );
+ } else {
+ controls.move_rudder(0.05);
+ }
+ return;
+ case 53: // numeric keypad 5
+ controls.set_aileron(0.0);
+ controls.set_elevator(0.0);
+ controls.set_rudder(0.0);
+ return;
+ case GLUT_KEY_PAGE_UP: // numeric keypad 9 (Pg Up)
+ if( fgAPAutoThrottleEnabled() ) {
+ fgAPAutoThrottleAdjust( 5 );
+ } else {
+ controls.move_throttle( FGControls::ALL_ENGINES, 0.01 );
+ }
+ return;
+ case GLUT_KEY_PAGE_DOWN: // numeric keypad 3 (Pg Dn)
+ if( fgAPAutoThrottleEnabled() ) {
+ fgAPAutoThrottleAdjust( -5 );
+ } else {
+ controls.move_throttle( FGControls::ALL_ENGINES, -0.01 );
+ }
+ return;
+ }
+ }
+}
+
+
--- /dev/null
+// GLUTkey.hxx -- handle GLUT keyboard events
+//
+// Written by Curtis Olson, started May 1997.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifndef _GLUTKEY_HXX
+#define _GLUTKEY_HXX
+
+
+#ifndef __cplusplus
+# error This library requires C++
+#endif
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+#endif
+
+#include <GL/glut.h>
+#include <XGL/xgl.h>
+
+
+// Handle keyboard events
+void GLUTkey(unsigned char k, int x, int y);
+void GLUTspecialkey(int k, int x, int y);
+
+
+#endif // _GLUTKEY_HXX
+
+
--- /dev/null
+// GLUTmain.cxx -- top level sim routines
+//
+// Written by Curtis Olson for OpenGL, started May 1997.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@me.umn.edu
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+#define MICHAEL_JOHNSON_EXPERIMENTAL_ENGINE_AUDIO
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef FG_MATH_EXCEPTION_CLASH
+# include <math.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+# include <windows.h>
+# include <float.h>
+#endif
+
+#include <GL/glut.h>
+#include <XGL/xgl.h>
+#include <stdio.h>
+#include <string.h>
+#include <string>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h> /* for stat() */
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h> /* for stat() */
+#endif
+
+#include <Include/fg_constants.h> // for VERSION
+#include <Include/general.hxx>
+
+#include <Debug/logstream.hxx>
+#include <Aircraft/aircraft.hxx>
+#include <Astro/sky.hxx>
+#include <Astro/stars.hxx>
+#include <Astro/solarsystem.hxx>
+
+#ifdef ENABLE_AUDIO_SUPPORT
+# include <plib/sl.h>
+# include <plib/sm.h>
+#endif
+
+#include <Autopilot/autopilot.hxx>
+#include <Cockpit/cockpit.hxx>
+#include <GUI/gui.h>
+#include <Joystick/joystick.hxx>
+#include <Math/fg_geodesy.hxx>
+#include <Math/mat3.h>
+#include <Math/polar3d.hxx>
+#include <Math/fg_random.h>
+#include <Misc/fgpath.hxx>
+#include <plib/pu.h>
+#include <Scenery/scenery.hxx>
+#include <Scenery/tilemgr.hxx>
+#include <Time/event.hxx>
+#include <Time/fg_time.hxx>
+#include <Time/fg_timer.hxx>
+#include <Time/sunpos.hxx>
+#include <Weather/weather.hxx>
+
+#include "GLUTkey.hxx"
+#include "fg_init.hxx"
+#include "options.hxx"
+#include "splash.hxx"
+#include "views.hxx"
+#include "fg_serial.hxx"
+
+
+// -dw- use custom sioux settings so I can see output window
+#ifdef MACOS
+# ifndef FG_NDEBUG
+# include <sioux.h> // settings for output window
+# endif
+# include <console.h>
+#endif
+
+
+// This is a record containing a bit of global housekeeping information
+FGGeneral general;
+
+// Specify our current idle function state. This is used to run all
+// our initializations out of the glutIdleLoop() so that we can get a
+// splash screen up and running right away.
+static int idle_state = 0;
+
+// Another hack
+int use_signals = 0;
+
+// Global structures for the Audio library
+#ifdef ENABLE_AUDIO_SUPPORT
+slEnvelope pitch_envelope ( 1, SL_SAMPLE_ONE_SHOT ) ;
+slEnvelope volume_envelope ( 1, SL_SAMPLE_ONE_SHOT ) ;
+slScheduler *audio_sched;
+smMixer *audio_mixer;
+slSample *s1;
+slSample *s2;
+#endif
+
+
+// The following defines flight gear options. Because glutlib will also
+// want to parse its own options, those options must not be included here
+// or they will get parsed by the main program option parser. Hence case
+// is significant for any option added that might be in conflict with
+// glutlib's parser.
+//
+// glutlib parses for:
+// -display
+// -direct (invalid in Win32)
+// -geometry
+// -gldebug
+// -iconized
+// -indirect (invalid in Win32)
+// -synce
+//
+// Note that glutlib depends upon strings while this program's
+// option parser wants only initial characters followed by numbers
+// or pathnames.
+//
+
+
+// fgInitVisuals() -- Initialize various GL/view parameters
+static void fgInitVisuals( void ) {
+ fgLIGHT *l;
+
+ l = &cur_light_params;
+
+#ifndef GLUT_WRONG_VERSION
+ // Go full screen if requested ...
+ if ( current_options.get_fullscreen() ) {
+ glutFullScreen();
+ }
+#endif
+
+ // If enabled, normal vectors specified with glNormal are scaled
+ // to unit length after transformation. See glNormal.
+ // xglEnable( GL_NORMALIZE );
+
+ xglEnable( GL_LIGHTING );
+ xglEnable( GL_LIGHT0 );
+ xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
+
+ // xglFogi (GL_FOG_MODE, GL_LINEAR);
+ xglFogi (GL_FOG_MODE, GL_EXP2);
+ // Fog density is now set when the weather system is initialized
+ // xglFogf (GL_FOG_DENSITY, w->fog_density);
+ if ( (current_options.get_fog() == 1) ||
+ (current_options.get_shading() == 0) ) {
+ // if fastest fog requested, or if flat shading force fastest
+ xglHint ( GL_FOG_HINT, GL_FASTEST );
+ } else if ( current_options.get_fog() == 2 ) {
+ xglHint ( GL_FOG_HINT, GL_NICEST );
+ }
+ if ( current_options.get_wireframe() ) {
+ // draw wire frame
+ xglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
+ }
+
+ // This is the default anyways, but it can't hurt
+ xglFrontFace ( GL_CCW );
+
+ // Just testing ...
+ // xglEnable(GL_POINT_SMOOTH);
+ // xglEnable(GL_LINE_SMOOTH);
+ // xglEnable(GL_POLYGON_SMOOTH);
+}
+
+
+#if 0
+// Draw a basic instrument panel
+static void fgUpdateInstrViewParams( void ) {
+
+ exit(0);
+
+ fgVIEW *v = ¤t_view;
+
+ xglViewport(0, 0 , (GLint)(v->winWidth), (GLint)(v->winHeight) / 2);
+
+ xglMatrixMode(GL_PROJECTION);
+ xglPushMatrix();
+
+ xglLoadIdentity();
+ gluOrtho2D(0, 640, 0, 480);
+ xglMatrixMode(GL_MODELVIEW);
+ xglPushMatrix();
+ xglLoadIdentity();
+
+ xglColor3f(1.0, 1.0, 1.0);
+ xglIndexi(7);
+
+ xglDisable(GL_DEPTH_TEST);
+ xglDisable(GL_LIGHTING);
+
+ xglLineWidth(1);
+ xglColor3f (0.5, 0.5, 0.5);
+
+ xglBegin(GL_QUADS);
+ xglVertex2f(0.0, 0.00);
+ xglVertex2f(0.0, 480.0);
+ xglVertex2f(640.0,480.0);
+ xglVertex2f(640.0, 0.0);
+ xglEnd();
+
+ xglRectf(0.0,0.0, 640, 480);
+ xglEnable(GL_DEPTH_TEST);
+ xglEnable(GL_LIGHTING);
+ xglMatrixMode(GL_PROJECTION);
+ xglPopMatrix();
+ xglMatrixMode(GL_MODELVIEW);
+ xglPopMatrix();
+}
+#endif
+
+
+// Update all Visuals (redraws anything graphics related)
+static void fgRenderFrame( void ) {
+ fgLIGHT *l = &cur_light_params;
+ FGTime *t = FGTime::cur_time_params;
+ FGView *v = ¤t_view;
+
+ double angle;
+ // GLfloat black[4] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat terrain_color[4] = { 0.54, 0.44, 0.29, 1.0 };
+ // GLfloat mat_shininess[] = { 10.0 };
+ GLbitfield clear_mask;
+
+ if ( idle_state != 1000 ) {
+ // still initializing, draw the splash screen
+ if ( current_options.get_splash_screen() == 1 ) {
+ fgSplashUpdate(0.0);
+ }
+ } else {
+ // idle_state is now 1000 meaning we've finished all our
+ // initializations and are running the main loop, so this will
+ // now work without seg faulting the system.
+
+ // printf("Ground = %.2f Altitude = %.2f\n", scenery.cur_elev,
+ // FG_Altitude * FEET_TO_METER);
+
+ // this is just a temporary hack, to make me understand Pui
+ // timerText -> setLabel (ctime (&t->cur_time));
+ // end of hack
+
+ // update view volume parameters
+ v->UpdateViewParams();
+
+ // set the sun position
+ xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
+
+ clear_mask = GL_DEPTH_BUFFER_BIT;
+ if ( current_options.get_wireframe() ) {
+ clear_mask |= GL_COLOR_BUFFER_BIT;
+ }
+ if ( current_options.get_panel_status() ) {
+ // we can't clear the screen when the panel is active
+ } else if ( current_options.get_skyblend() ) {
+ if ( current_options.get_textures() ) {
+ // glClearColor(black[0], black[1], black[2], black[3]);
+ glClearColor(l->adj_fog_color[0], l->adj_fog_color[1],
+ l->adj_fog_color[2], l->adj_fog_color[3]);
+ clear_mask |= GL_COLOR_BUFFER_BIT;
+ }
+ } else {
+ glClearColor(l->sky_color[0], l->sky_color[1],
+ l->sky_color[2], l->sky_color[3]);
+ clear_mask |= GL_COLOR_BUFFER_BIT;
+ }
+ xglClear( clear_mask );
+
+ // Tell GL we are switching to model view parameters
+ xglMatrixMode(GL_MODELVIEW);
+ // xglLoadIdentity();
+
+ // draw sky
+ xglDisable( GL_DEPTH_TEST );
+ xglDisable( GL_LIGHTING );
+ xglDisable( GL_CULL_FACE );
+ xglDisable( GL_FOG );
+ xglShadeModel( GL_SMOOTH );
+ if ( current_options.get_skyblend() ) {
+ fgSkyRender();
+ }
+
+ // setup transformation for drawing astronomical objects
+ xglPushMatrix();
+ // Translate to view position
+ Point3D view_pos = v->get_view_pos();
+ xglTranslatef( view_pos.x(), view_pos.y(), view_pos.z() );
+ // Rotate based on gst (sidereal time)
+ // note: constant should be 15.041085, Curt thought it was 15
+ angle = t->getGst() * 15.041085;
+ // printf("Rotating astro objects by %.2f degrees\n",angle);
+ xglRotatef( angle, 0.0, 0.0, -1.0 );
+
+ // draw stars and planets
+ fgStarsRender();
+ xglEnable( GL_CULL_FACE ); // for moon
+ //xglEnable(GL_DEPTH_TEST);
+ SolarSystem::theSolarSystem->draw();
+
+ xglPopMatrix();
+
+ // draw scenery
+ if ( current_options.get_shading() ) {
+ xglShadeModel( GL_SMOOTH );
+ } else {
+ xglShadeModel( GL_FLAT );
+ }
+ xglEnable( GL_DEPTH_TEST );
+ if ( current_options.get_fog() > 0 ) {
+ xglEnable( GL_FOG );
+ xglFogfv (GL_FOG_COLOR, l->adj_fog_color);
+ }
+ // set lighting parameters
+ xglLightfv(GL_LIGHT0, GL_AMBIENT, l->scene_ambient );
+ xglLightfv(GL_LIGHT0, GL_DIFFUSE, l->scene_diffuse );
+ // xglLightfv(GL_LIGHT0, GL_SPECULAR, white );
+
+ if ( current_options.get_textures() ) {
+ // texture parameters
+ xglEnable( GL_TEXTURE_2D );
+ xglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ) ;
+ xglHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST ) ;
+ // set base color (I don't think this is doing anything here)
+ xglMaterialfv (GL_FRONT, GL_AMBIENT, white);
+ xglMaterialfv (GL_FRONT, GL_DIFFUSE, white);
+ // xglMaterialfv (GL_FRONT, GL_SPECULAR, white);
+ // xglMaterialfv (GL_FRONT, GL_SHININESS, mat_shininess);
+ } else {
+ xglDisable( GL_TEXTURE_2D );
+ xglMaterialfv (GL_FRONT, GL_AMBIENT, terrain_color);
+ xglMaterialfv (GL_FRONT, GL_DIFFUSE, terrain_color);
+ // xglMaterialfv (GL_FRONT, GL_AMBIENT, white);
+ // xglMaterialfv (GL_FRONT, GL_DIFFUSE, white);
+ }
+
+ global_tile_mgr.render();
+
+ xglDisable( GL_TEXTURE_2D );
+ xglDisable( GL_FOG );
+
+ // display HUD && Panel
+ xglDisable( GL_CULL_FACE );
+ fgCockpitUpdate();
+
+ // We can do translucent menus, so why not. :-)
+ xglEnable ( GL_BLEND ) ;
+ xglBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
+ puDisplay();
+ xglDisable ( GL_BLEND ) ;
+ xglEnable( GL_FOG );
+ }
+
+ xglutSwapBuffers();
+}
+
+
+// Update internal time dependent calculations (i.e. flight model)
+void fgUpdateTimeDepCalcs(int multi_loop, int remainder) {
+ FGInterface *f = current_aircraft.fdm_state;
+ fgLIGHT *l = &cur_light_params;
+ FGTime *t = FGTime::cur_time_params;
+ FGView *v = ¤t_view;
+ int i;
+
+ // update the flight model
+ if ( multi_loop < 0 ) {
+ multi_loop = DEFAULT_MULTILOOP;
+ }
+
+ if ( !t->getPause() ) {
+ // run Autopilot system
+ fgAPRun();
+
+ // printf("updating flight model x %d\n", multi_loop);
+ fgFDMUpdate( current_options.get_flight_model(),
+ cur_fdm_state, multi_loop, remainder );
+ } else {
+ fgFDMUpdate( current_options.get_flight_model(),
+ cur_fdm_state, 0, remainder );
+ }
+
+ // update the view angle
+ for ( i = 0; i < multi_loop; i++ ) {
+ if ( fabs(v->get_goal_view_offset() - v->get_view_offset()) < 0.05 ) {
+ v->set_view_offset( v->get_goal_view_offset() );
+ break;
+ } else {
+ // move v->view_offset towards v->goal_view_offset
+ if ( v->get_goal_view_offset() > v->get_view_offset() ) {
+ if ( v->get_goal_view_offset() - v->get_view_offset() < FG_PI ){
+ v->inc_view_offset( 0.01 );
+ } else {
+ v->inc_view_offset( -0.01 );
+ }
+ } else {
+ if ( v->get_view_offset() - v->get_goal_view_offset() < FG_PI ){
+ v->inc_view_offset( -0.01 );
+ } else {
+ v->inc_view_offset( 0.01 );
+ }
+ }
+ if ( v->get_view_offset() > FG_2PI ) {
+ v->inc_view_offset( -FG_2PI );
+ } else if ( v->get_view_offset() < 0 ) {
+ v->inc_view_offset( FG_2PI );
+ }
+ }
+ }
+
+ double tmp = -(l->sun_rotation + FG_PI)
+ - (f->get_Psi() - v->get_view_offset() );
+ while ( tmp < 0.0 ) {
+ tmp += FG_2PI;
+ }
+ while ( tmp > FG_2PI ) {
+ tmp -= FG_2PI;
+ }
+ /* printf("Psi = %.2f, viewoffset = %.2f sunrot = %.2f rottosun = %.2f\n",
+ FG_Psi * RAD_TO_DEG, v->view_offset * RAD_TO_DEG,
+ -(l->sun_rotation+FG_PI) * RAD_TO_DEG, tmp * RAD_TO_DEG); */
+ l->UpdateAdjFog();
+}
+
+
+void fgInitTimeDepCalcs( void ) {
+ // initialize timer
+
+ // #ifdef HAVE_SETITIMER
+ // fgTimerInit( 1.0 / DEFAULT_TIMER_HZ, fgUpdateTimeDepCalcs );
+ // #endif HAVE_SETITIMER
+}
+
+static const double alt_adjust_ft = 3.758099;
+static const double alt_adjust_m = alt_adjust_ft * FEET_TO_METER;
+
+// What should we do when we have nothing else to do? Let's get ready
+// for the next move and update the display?
+static void fgMainLoop( void ) {
+ FGInterface *f;
+ FGTime *t;
+ static long remainder = 0;
+ long elapsed, multi_loop;
+#ifdef FANCY_FRAME_COUNTER
+ int i;
+ double accum;
+#else
+ static time_t last_time = 0;
+ static int frames = 0;
+#endif // FANCY_FRAME_COUNTER
+
+ f = current_aircraft.fdm_state;
+ t = FGTime::cur_time_params;
+
+ FG_LOG( FG_ALL, FG_DEBUG, "Running Main Loop");
+ FG_LOG( FG_ALL, FG_DEBUG, "======= ==== ====");
+
+#if defined( ENABLE_PLIB_JOYSTICK )
+ // Read joystick and update control settings
+ fgJoystickRead();
+#elif defined( ENABLE_GLUT_JOYSTICK )
+ // Glut joystick support works by feeding a joystick handler
+ // function to glut. This is taken care of once in the joystick
+ // init routine and we don't have to worry about it again.
+#endif
+
+ current_weather.Update();
+
+ // Fix elevation. I'm just sticking this here for now, it should
+ // probably move eventually
+
+ /* printf("Before - ground = %.2f runway = %.2f alt = %.2f\n",
+ scenery.cur_elev,
+ f->get_Runway_altitude() * FEET_TO_METER,
+ f->get_Altitude() * FEET_TO_METER); */
+
+ if ( scenery.cur_elev > -9990 ) {
+ if ( f->get_Altitude() * FEET_TO_METER <
+ (scenery.cur_elev + alt_adjust_m - 3.0) ) {
+ // now set aircraft altitude above ground
+ printf("Current Altitude = %.2f < %.2f forcing to %.2f\n",
+ f->get_Altitude() * FEET_TO_METER,
+ scenery.cur_elev + alt_adjust_m - 3.0,
+ scenery.cur_elev + alt_adjust_m );
+ fgFDMForceAltitude( current_options.get_flight_model(),
+ scenery.cur_elev + alt_adjust_m );
+
+ FG_LOG( FG_ALL, FG_DEBUG,
+ "<*> resetting altitude to "
+ << f->get_Altitude() * FEET_TO_METER << " meters" );
+ }
+ fgFDMSetGroundElevation( current_options.get_flight_model(),
+ scenery.cur_elev ); // meters
+ }
+
+ /* printf("Adjustment - ground = %.2f runway = %.2f alt = %.2f\n",
+ scenery.cur_elev,
+ f->get_Runway_altitude() * FEET_TO_METER,
+ f->get_Altitude() * FEET_TO_METER); */
+
+ // update "time"
+ t->update(f);
+
+ // Get elapsed time (in usec) for this past frame
+ elapsed = fgGetTimeInterval();
+ FG_LOG( FG_ALL, FG_DEBUG,
+ "Elapsed time interval is = " << elapsed
+ << ", previous remainder is = " << remainder );
+
+ // Calculate frame rate average
+#ifdef FANCY_FRAME_COUNTER
+ /* old fps calculation */
+ if ( elapsed > 0 ) {
+ double tmp;
+ accum = 0.0;
+ for ( i = FG_FRAME_RATE_HISTORY - 2; i >= 0; i-- ) {
+ tmp = general.get_frame(i);
+ accum += tmp;
+ // printf("frame[%d] = %.2f\n", i, g->frames[i]);
+ general.set_frame(i+1,tmp);
+ }
+ tmp = 1000000.0 / (float)elapsed;
+ general.set_frame(0,tmp);
+ // printf("frame[0] = %.2f\n", general.frames[0]);
+ accum += tmp;
+ general.set_frame_rate(accum / (float)FG_FRAME_RATE_HISTORY);
+ // printf("ave = %.2f\n", general.frame_rate);
+ }
+#else
+ if ( (t->get_cur_time() != last_time) && (last_time > 0) ) {
+ general.set_frame_rate( frames );
+ FG_LOG( FG_ALL, FG_DEBUG,
+ "--> Frame rate is = " << general.get_frame_rate() );
+ frames = 0;
+ }
+ last_time = t->get_cur_time();
+ ++frames;
+#endif
+
+ // Run flight model
+ if ( ! use_signals ) {
+ // Calculate model iterations needed for next frame
+ elapsed += remainder;
+
+ multi_loop = (int)(((double)elapsed * 0.000001) * DEFAULT_MODEL_HZ);
+ remainder = elapsed - ((multi_loop*1000000) / DEFAULT_MODEL_HZ);
+ FG_LOG( FG_ALL, FG_DEBUG,
+ "Model iterations needed = " << multi_loop
+ << ", new remainder = " << remainder );
+
+ // flight model
+ if ( multi_loop > 0 ) {
+ fgUpdateTimeDepCalcs(multi_loop, remainder);
+ } else {
+ FG_LOG( FG_ALL, FG_INFO, "Elapsed time is zero ... we're zinging" );
+ }
+ }
+
+#if ! defined( MACOS )
+ // Do any serial port work that might need to be done
+ fgSerialProcess();
+#endif
+
+ // see if we need to load any new scenery tiles
+ global_tile_mgr.update();
+
+ // Process/manage pending events
+ global_events.Process();
+
+ // Run audio scheduler
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( current_options.get_sound() && !audio_sched->not_working() ) {
+
+# ifdef MICHAEL_JOHNSON_EXPERIMENTAL_ENGINE_AUDIO
+
+ // note: all these factors are relative to the sample. our
+ // sample format should really contain a conversion factor so
+ // that we can get prop speed right for arbitrary samples.
+ // Note that for normal-size props, there is a point at which
+ // the prop tips approach the speed of sound; that is a pretty
+ // strong limit to how fast the prop can go.
+
+ // multiplication factor is prime pitch control; add some log
+ // component for verisimilitude
+
+ double pitch = log((controls.get_throttle(0) * 14.0) + 1.0);
+ //fprintf(stderr, "pitch1: %f ", pitch);
+ if (controls.get_throttle(0) > 0.0 || f->v_rel_wind > 40.0) {
+ //fprintf(stderr, "rel_wind: %f ", f->v_rel_wind);
+ // only add relative wind and AoA if prop is moving
+ // or we're really flying at idle throttle
+ if (pitch < 5.4) { // this needs tuning
+ // prop tips not breaking sound barrier
+ pitch += log(f->v_rel_wind + 0.8)/2;
+ } else {
+ // prop tips breaking sound barrier
+ pitch += log(f->v_rel_wind + 0.8)/10;
+ }
+ //fprintf(stderr, "pitch2: %f ", pitch);
+ //fprintf(stderr, "AoA: %f ", FG_Gamma_vert_rad);
+
+ // Angle of Attack next... -x^3(e^x) is my best guess Just
+ // need to calculate some reasonable scaling factor and
+ // then clamp it on the positive aoa (neg adj) side
+ double aoa = f->get_Gamma_vert_rad() * 2.2;
+ double tmp = 3.0;
+ double aoa_adj = pow(-aoa, tmp) * pow(M_E, aoa);
+ if (aoa_adj < -0.8) aoa_adj = -0.8;
+ pitch += aoa_adj;
+ //fprintf(stderr, "pitch3: %f ", pitch);
+
+ // don't run at absurdly slow rates -- not realistic
+ // and sounds bad to boot. :-)
+ if (pitch < 0.8) pitch = 0.8;
+ }
+ //fprintf(stderr, "pitch4: %f\n", pitch);
+
+ double volume = controls.get_throttle(0) * 1.15 + 0.3 +
+ log(f->v_rel_wind + 1.0)/14.0;
+ // fprintf(stderr, "volume: %f\n", volume);
+
+ pitch_envelope.setStep ( 0, 0.01, pitch );
+ volume_envelope.setStep ( 0, 0.01, volume );
+
+# else
+
+ double param = controls.get_throttle( 0 ) * 2.0 + 1.0;
+ pitch_envelope.setStep ( 0, 0.01, param );
+ volume_envelope.setStep ( 0, 0.01, param );
+
+# endif // experimental throttle patch
+
+ audio_sched -> update();
+ }
+#endif
+
+ // redraw display
+ fgRenderFrame();
+
+ FG_LOG( FG_ALL, FG_DEBUG, "" );
+}
+
+
+// This is the top level master main function that is registered as
+// our idle funciton
+//
+
+// The first few passes take care of initialization things (a couple
+// per pass) and once everything has been initialized fgMainLoop from
+// then on.
+
+static void fgIdleFunction ( void ) {
+ // printf("idle state == %d\n", idle_state);
+
+ if ( idle_state == 0 ) {
+ // Initialize the splash screen right away
+ if ( current_options.get_splash_screen() ) {
+ fgSplashInit();
+ }
+
+ idle_state++;
+ } else if ( idle_state == 1 ) {
+ // Start the intro music
+#if !defined(WIN32)
+ if ( current_options.get_intro_music() ) {
+ string lockfile = "/tmp/mpg123.running";
+ FGPath mp3file( current_options.get_fg_root() );
+ mp3file.append( "Sounds/intro.mp3" );
+
+ string command = "(touch " + lockfile + "; mpg123 "
+ + mp3file.str() + "> /dev/null 2>&1; /bin/rm "
+ + lockfile + ") &";
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "Starting intro music: " << mp3file.str() );
+ system ( command.c_str() );
+ }
+#endif
+
+ idle_state++;
+ } else if ( idle_state == 2 ) {
+ // These are a few miscellaneous things that aren't really
+ // "subsystems" but still need to be initialized.
+
+#ifdef USE_GLIDE
+ if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
+ grTexLodBiasValue ( GR_TMU0, 1.0 ) ;
+ }
+#endif
+
+ idle_state++;
+ } else if ( idle_state == 3 ) {
+ // This is the top level init routine which calls all the
+ // other subsystem initialization routines. If you are adding
+ // a subsystem to flight gear, its initialization call should
+ // located in this routine.
+ if( !fgInitSubsystems()) {
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "Subsystem initializations failed ..." );
+ exit(-1);
+ }
+
+ idle_state++;
+ } else if ( idle_state == 4 ) {
+ // setup OpenGL view parameters
+ fgInitVisuals();
+
+ if ( use_signals ) {
+ // init timer routines, signals, etc. Arrange for an alarm
+ // signal to be generated, etc.
+ fgInitTimeDepCalcs();
+ }
+
+ idle_state++;
+ } else if ( idle_state == 5 ) {
+
+ idle_state++;
+ } else if ( idle_state == 6 ) {
+ // Initialize audio support
+#ifdef ENABLE_AUDIO_SUPPORT
+
+#if !defined(WIN32)
+ if ( current_options.get_intro_music() ) {
+ // Let's wait for mpg123 to finish
+ string lockfile = "/tmp/mpg123.running";
+ struct stat stat_buf;
+
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "Waiting for mpg123 player to finish ..." );
+ while ( stat(lockfile.c_str(), &stat_buf) == 0 ) {
+ // file exist, wait ...
+ sleep(1);
+ FG_LOG( FG_GENERAL, FG_INFO, ".");
+ }
+ FG_LOG( FG_GENERAL, FG_INFO, "");
+ }
+#endif // WIN32
+
+ audio_sched = new slScheduler ( 8000 );
+ audio_mixer = new smMixer;
+ audio_mixer -> setMasterVolume ( 80 ) ; /* 80% of max volume. */
+ audio_sched -> setSafetyMargin ( 1.0 ) ;
+
+ FGPath slfile( current_options.get_fg_root() );
+ slfile.append( "Sounds/wasp.wav" );
+
+ s1 = new slSample ( (char *)slfile.c_str() );
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "Rate = " << s1 -> getRate()
+ << " Bps = " << s1 -> getBps()
+ << " Stereo = " << s1 -> getStereo() );
+ audio_sched -> loopSample ( s1 );
+
+ if ( audio_sched->not_working() ) {
+ // skip
+ } else {
+ pitch_envelope.setStep ( 0, 0.01, 0.6 );
+ volume_envelope.setStep ( 0, 0.01, 0.6 );
+
+ audio_sched -> addSampleEnvelope( s1, 0, 0, &
+ pitch_envelope,
+ SL_PITCH_ENVELOPE );
+ audio_sched -> addSampleEnvelope( s1, 0, 1,
+ &volume_envelope,
+ SL_VOLUME_ENVELOPE );
+ }
+
+ // strcpy(slfile, path);
+ // strcat(slfile, "thunder.wav");
+ // s2 -> loadFile ( slfile );
+ // s2 -> adjustVolume(0.5);
+ // audio_sched -> playSample ( s2 );
+#endif
+
+ // sleep(1);
+ idle_state = 1000;
+ }
+
+ if ( idle_state == 1000 ) {
+ // We've finished all our initialization steps, from now on we
+ // run the main loop.
+
+ fgMainLoop();
+ } else {
+ if ( current_options.get_splash_screen() == 1 ) {
+ fgSplashUpdate(0.0);
+ }
+ }
+}
+
+// options.cxx needs to see this for toggle_panel()
+// Handle new window size or exposure
+void fgReshape( int width, int height ) {
+ // Do this so we can call fgReshape(0,0) ourselves without having
+ // to know what the values of width & height are.
+ if ( (height > 0) && (width > 0) ) {
+ if ( ! current_options.get_panel_status() ) {
+ current_view.set_win_ratio( (GLfloat) width / (GLfloat) height );
+ } else {
+ current_view.set_win_ratio( (GLfloat) width /
+ ((GLfloat) (height)*0.4232) );
+ }
+ }
+
+ current_view.set_winWidth( width );
+ current_view.set_winHeight( height );
+ current_view.force_update_fov_math();
+
+ // Inform gl of our view window size (now handled elsewhere)
+ // xglViewport(0, 0, (GLint)width, (GLint)height);
+ if ( idle_state == 1000 ) {
+ // yes we've finished all our initializations and are running
+ // the main loop, so this will now work without seg faulting
+ // the system.
+ current_view.UpdateViewParams();
+ if ( current_options.get_panel_status() ) {
+ FGPanel::OurPanel->ReInit(0, 0, 1024, 768);
+ }
+ }
+}
+
+
+// Initialize GLUT and define a main window
+int fgGlutInit( int *argc, char **argv ) {
+
+#if !defined( MACOS )
+ // GLUT will extract all glut specific options so later on we only
+ // need wory about our own.
+ xglutInit(argc, argv);
+#endif
+
+ // Define Display Parameters
+ xglutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+ FG_LOG( FG_GENERAL, FG_INFO, "Opening a window: " <<
+ current_options.get_xsize() << "x" << current_options.get_ysize() );
+
+ // Define initial window size
+ xglutInitWindowSize( current_options.get_xsize(),
+ current_options.get_ysize() );
+
+ // Initialize windows
+ if ( current_options.get_game_mode() == 0 ) {
+ // Open the regular window
+ xglutCreateWindow("Flight Gear");
+#ifndef GLUT_WRONG_VERSION
+ } else {
+ // Open the cool new 'game mode' window
+ char game_mode_str[256];
+ sprintf( game_mode_str, "width=%d height=%d bpp=32",
+ current_options.get_xsize(),
+ current_options.get_ysize() );
+
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "game mode params = " << game_mode_str );
+ glutGameModeString( game_mode_str );
+ glutEnterGameMode();
+#endif
+ }
+
+ // This seems to be the absolute earliest in the init sequence
+ // that these calls will return valid info. Too bad it's after
+ // we've already created and sized out window. :-(
+ general.set_glVendor( (char *)glGetString ( GL_VENDOR ) );
+ general.set_glRenderer( (char *)glGetString ( GL_RENDERER ) );
+ general.set_glVersion( (char *)glGetString ( GL_VERSION ) );
+
+ FG_LOG ( FG_GENERAL, FG_INFO, general.get_glRenderer() );
+
+#if 0
+ // try to determine if we should adjust the initial default
+ // display resolution. The options class defaults (is
+ // initialized) to 640x480.
+ string renderer = general.glRenderer;
+
+ // currently we only know how to deal with Mesa/Glide/Voodoo cards
+ if ( renderer.find( "Glide" ) != string::npos ) {
+ FG_LOG( FG_GENERAL, FG_INFO, "Detected a Glide driver" );
+ if ( renderer.find( "FB/8" ) != string::npos ) {
+ // probably a voodoo-2
+ if ( renderer.find( "TMU/SLI" ) != string::npos ) {
+ // probably two SLI'd Voodoo-2's
+ current_options.set_xsize( 1024 );
+ current_options.set_ysize( 768 );
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "It looks like you have two sli'd voodoo-2's." << endl
+ << "upgrading your win resolution to 1024 x 768" );
+ glutReshapeWindow(1024, 768);
+ } else {
+ // probably a single non-SLI'd Voodoo-2
+ current_options.set_xsize( 800 );
+ current_options.set_ysize( 600 );
+ FG_LOG( FG_GENERAL, FG_INFO,
+ "It looks like you have a voodoo-2." << endl
+ << "upgrading your win resolution to 800 x 600" );
+ glutReshapeWindow(800, 600);
+ }
+ } else if ( renderer.find( "FB/2" ) != string::npos ) {
+ // probably a voodoo-1, stick with the default
+ }
+ } else {
+ // we have no special knowledge of this card, stick with the default
+ }
+#endif
+
+ return(1);
+}
+
+
+// Initialize GLUT event handlers
+int fgGlutInitEvents( void ) {
+ // call fgReshape() on window resizes
+ xglutReshapeFunc( fgReshape );
+
+ // call GLUTkey() on keyboard event
+ xglutKeyboardFunc( GLUTkey );
+ glutSpecialFunc( GLUTspecialkey );
+
+ // call guiMouseFunc() whenever our little rodent is used
+ glutMouseFunc ( guiMouseFunc );
+ glutMotionFunc (guiMotionFunc );
+ glutPassiveMotionFunc (guiMotionFunc );
+
+ // call fgMainLoop() whenever there is
+ // nothing else to do
+ xglutIdleFunc( fgIdleFunction );
+
+ // draw the scene
+ xglutDisplayFunc( fgRenderFrame );
+
+ return(1);
+}
+
+
+// Main ...
+int main( int argc, char **argv ) {
+
+#if defined( MACOS )
+ argc = ccommand( &argv );
+#endif
+
+ FGInterface *f;
+
+ f = current_aircraft.fdm_state;
+
+#ifdef HAVE_BC5PLUS
+ _control87(MCW_EM, MCW_EM); /* defined in float.h */
+#endif
+
+ // set default log levels
+ fglog().setLogLevels( FG_ALL, FG_INFO );
+
+ FG_LOG( FG_GENERAL, FG_INFO, "Flight Gear: Version " << VERSION << endl );
+
+ string root;
+
+ FG_LOG( FG_GENERAL, FG_INFO, "General Initialization" );
+ FG_LOG( FG_GENERAL, FG_INFO, "======= ==============" );
+
+ // seed the random number generater
+ fg_srandom();
+
+ // Attempt to locate and parse a config file
+ // First check fg_root
+ FGPath config( current_options.get_fg_root() );
+ config.append( "system.fgfsrc" );
+ current_options.parse_config_file( config.str() );
+
+ // Next check home directory
+ char* envp = ::getenv( "HOME" );
+ if ( envp != NULL ) {
+ config.set( envp );
+ config.append( ".fgfsrc" );
+ current_options.parse_config_file( config.str() );
+ }
+
+ // Parse remaining command line options
+ // These will override anything specified in a config file
+ if ( current_options.parse_command_line(argc, argv) !=
+ fgOPTIONS::FG_OPTIONS_OK )
+ {
+ // Something must have gone horribly wrong with the command
+ // line parsing or maybe the user just requested help ... :-)
+ current_options.usage();
+ FG_LOG( FG_GENERAL, FG_ALERT, "\nExiting ...");
+ exit(-1);
+ }
+
+ // Initialize the Window/Graphics environment.
+ if( !fgGlutInit(&argc, argv) ) {
+ FG_LOG( FG_GENERAL, FG_ALERT, "GLUT initialization failed ..." );
+ exit(-1);
+ }
+
+ // Initialize the various GLUT Event Handlers.
+ if( !fgGlutInitEvents() ) {
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "GLUT event handler initialization failed ..." );
+ exit(-1);
+ }
+
+ // Init the user interface (we need to do this before passing off
+ // control to glut and before fgInitGeneral to get our fonts !!!
+ guiInit();
+
+ // First do some quick general initializations
+ if( !fgInitGeneral()) {
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "General initializations failed ..." );
+ exit(-1);
+ }
+
+ // pass control off to the master GLUT event handler
+ glutMainLoop();
+
+ // we never actually get here ... but just in case ... :-)
+ return(0);
+}
projects / flightgear.git / commitdiff