mess, but the mess is all in one place now.
do_view_cycle (const SGPropertyNode * arg, SGCommandState ** state)
{
globals->get_current_view()->set_view_offset(0.0);
- globals->set_current_view(globals->get_viewmgr()->next_view());
+ globals->get_viewmgr()->next_view();
if ( fgGetString("/sim/flight-model") == "ada" ) {
globals->get_props()->setBoolValue( "/sim/hud/visibility", true );
if ( globals->get_viewmgr()->get_current() == 1 ) {
// Initialize view parameters
void fgInitView() {
- // Initialize pilot view
- static const SGPropertyNode *longitude
- = fgGetNode("/position/longitude-deg");
- static const SGPropertyNode *latitude
- = fgGetNode("/position/latitude-deg");
- static const SGPropertyNode *altitude
- = fgGetNode("/position/altitude-ft");
-
- FGViewerRPH *pilot_view
- = (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
-
- pilot_view->set_geod_view_pos( longitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- latitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- altitude->getDoubleValue()
- * SG_FEET_TO_METER );
- pilot_view->set_rph( cur_fdm_state->get_Phi(),
- cur_fdm_state->get_Theta(),
- cur_fdm_state->get_Psi() );
-
- // set current view to 0 (first) which is our main pilot view
- globals->set_current_view( pilot_view );
-
- SG_LOG( SG_GENERAL, SG_DEBUG, " abs_view_pos = "
- << globals->get_current_view()->get_abs_view_pos());
+ globals->get_viewmgr()->update(0);
}
#include "globals.hxx"
#include "fgfs.hxx"
#include "fg_props.hxx"
-#include "viewmgr.hxx"
#if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
SG_USING_STD(istream);
static double getWindDown ();
#endif // FG_NEW_ENVIRONMENT
-// Allow the view to be set from two axes (i.e. a joystick hat)
-// This needs to be in FGViewer itself, somehow.
-static double axisLong = 0.0;
-static double axisLat = 0.0;
-
static bool winding_ccw = true; // FIXME: temporary
static bool fdm_data_logging = false; // FIXME: temporary
-/**
- * Utility function.
- */
-static inline void
-_set_view_from_axes ()
-{
- // Take no action when hat is centered
- if ( ( axisLong < 0.01 ) &&
- ( axisLong > -0.01 ) &&
- ( axisLat < 0.01 ) &&
- ( axisLat > -0.01 )
- )
- return;
-
- double viewDir = 999;
-
- /* Do all the quick and easy cases */
- if (axisLong < 0) { // Longitudinal axis forward
- if (axisLat == axisLong)
- viewDir = 45;
- else if (axisLat == - axisLong)
- viewDir = 315;
- else if (axisLat == 0)
- viewDir = 0;
- } else if (axisLong > 0) { // Longitudinal axis backward
- if (axisLat == - axisLong)
- viewDir = 135;
- else if (axisLat == axisLong)
- viewDir = 225;
- else if (axisLat == 0)
- viewDir = 180;
- } else if (axisLong == 0) { // Longitudinal axis neutral
- if (axisLat < 0)
- viewDir = 90;
- else if (axisLat > 0)
- viewDir = 270;
- else return; /* And assertion failure maybe? */
- }
-
- /* Do all the difficult cases */
- if ( viewDir > 900 )
- viewDir = SGD_RADIANS_TO_DEGREES * atan2 ( -axisLat, -axisLong );
- if ( viewDir < -1 ) viewDir += 360;
-
-// SG_LOG(SG_INPUT, SG_ALERT, "Joystick Lat=" << axisLat << " and Long="
-// << axisLong << " gave angle=" << viewDir );
-
- globals->get_current_view()->set_goal_view_offset(viewDir*SGD_DEGREES_TO_RADIANS);
-// globals->get_current_view()->set_view_offset(viewDir*SGD_DEGREES_TO_RADIANS);
-}
-
\f
////////////////////////////////////////////////////////////////////////
// Default property bindings (not yet handled by any module).
}
-/**
- * Get the current view offset in degrees.
- */
-static double
-getViewOffset ()
-{
- return (globals->get_current_view()
- ->get_view_offset() * SGD_RADIANS_TO_DEGREES);
-}
-
-
-static void
-setViewOffset (double offset)
-{
- globals->get_current_view()->set_view_offset(offset * SGD_DEGREES_TO_RADIANS);
-}
-
-static double
-getGoalViewOffset ()
-{
- return (globals->get_current_view()
- ->get_goal_view_offset() * SGD_RADIANS_TO_DEGREES);
-}
-
-static void
-setGoalViewOffset (double offset)
-{
- while ( offset < 0 ) {
- offset += 360.0;
- }
- while ( offset > 360.0 ) {
- offset -= 360.0;
- }
- // Snap to center if we are close
- if ( fabs(offset) < 1.0 || fabs(offset) > 359.0 ) {
- offset = 0.0;
- }
-
- globals->get_current_view()
- ->set_goal_view_offset(offset * SGD_DEGREES_TO_RADIANS);
-}
-
-/**
- * Get the current view tilt in degrees.
- */
-static double
-getViewTilt ()
-{
- return (globals->get_current_view()
- ->get_view_tilt() * SGD_RADIANS_TO_DEGREES);
-}
-
-
-static void
-setViewTilt (double tilt)
-{
- globals->get_current_view()->set_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
-}
-
-static double
-getGoalViewTilt ()
-{
- return (globals->get_current_view()
- ->get_goal_view_tilt() * SGD_RADIANS_TO_DEGREES);
-}
-
-static void
-setGoalViewTilt (double tilt)
-{
- while ( tilt < 0 ) {
- tilt += 360.0;
- }
- while ( tilt > 360.0 ) {
- tilt -= 360.0;
- }
- // Snap to center if we are close
- if ( fabs(tilt) < 1.0 || fabs(tilt) > 359.0 ) {
- tilt = 0.0;
- }
-
- globals->get_current_view()
- ->set_goal_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
-}
-
-
-/**
- * Pilot position offset from CG.
- */
-static float
-getPilotPositionXOffset ()
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- return offset[0];
-}
-
-static void
-setPilotPositionXOffset (float x)
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- pilot_view->set_pilot_offset(x, offset[1], offset[2]);
-}
-
-static float
-getPilotPositionYOffset ()
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- return offset[1];
-}
-
-static void
-setPilotPositionYOffset (float y)
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- pilot_view->set_pilot_offset(offset[0], y, offset[2]);
-}
-
-static float
-getPilotPositionZOffset ()
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- return offset[2];
-}
-
-static void
-setPilotPositionZOffset (float z)
-{
- FGViewer * pilot_view = globals->get_viewmgr()->get_view(0);
- float * offset = pilot_view->get_pilot_offset();
- pilot_view->set_pilot_offset(offset[0], offset[1], z);
-}
-
-
/**
* Return the number of milliseconds elapsed since simulation started.
*/
#endif // FG_NEW_ENVIRONMENT
-static double
-getFOV ()
-{
- return globals->get_current_view()->get_fov();
-}
-
-static void
-setFOV (double fov)
-{
- if ( fov < 180 ) {
- globals->get_current_view()->set_fov( fov );
- }
-}
-
static long
getWarp ()
{
globals->set_warp_delta(delta);
}
-static void
-setViewAxisLong (double axis)
-{
- axisLong = axis;
-}
-
-static void
-setViewAxisLat (double axis)
-{
- axisLat = axis;
-}
-
static bool
getWindingCCW ()
{
fgTie("/sim/logging/classes", getLoggingClasses, setLoggingClasses);
// fgTie("/sim/freeze", getFreeze, setFreeze);
fgTie("/sim/aircraft-dir", getAircraftDir, setAircraftDir);
- fgTie("/sim/view/offset-deg", getViewOffset, setViewOffset, false);
- fgSetArchivable("/sim/view/offset-deg");
- fgTie("/sim/view/goal-offset-deg", getGoalViewOffset, setGoalViewOffset, false);
- fgTie("/sim/view/tilt-deg", getViewTilt, setViewTilt, false);
- fgSetArchivable("/sim/view/tilt-deg");
- fgTie("/sim/view/goal-tilt-deg", getGoalViewTilt, setGoalViewTilt, false);
- fgSetArchivable("/sim/view/goal-offset-deg");
- fgTie("/sim/view/pilot/x-offset-m",
- getPilotPositionXOffset, setPilotPositionXOffset);
- fgSetArchivable("/sim/view/pilot/x-offset-m");
- fgTie("/sim/view/pilot/y-offset-m",
- getPilotPositionYOffset, setPilotPositionYOffset);
- fgSetArchivable("/sim/view/pilot/y-offset-m");
- fgTie("/sim/view/pilot/z-offset-m",
- getPilotPositionZOffset, setPilotPositionZOffset);
- fgSetArchivable("/sim/view/pilot/z-offset-m");
+
fgTie("/sim/time/elapsed-ms", getElapsedTime_ms);
fgTie("/sim/time/gmt", getDateString, setDateString);
fgSetArchivable("/sim/time/gmt");
fgTie("/environment/magnetic-variation-deg", getMagVar);
fgTie("/environment/magnetic-dip-deg", getMagDip);
- // View
- fgTie("/sim/field-of-view", getFOV, setFOV);
- fgSetArchivable("/sim/field-of-view");
fgTie("/sim/time/warp", getWarp, setWarp, false);
fgTie("/sim/time/warp-delta", getWarpDelta, setWarpDelta);
- fgTie("/sim/view/axes/long", (double(*)())0, setViewAxisLong);
- fgTie("/sim/view/axes/lat", (double(*)())0, setViewAxisLat);
// Misc. Temporary junk.
fgTie("/sim/temp/winding-ccw", getWindingCCW, setWindingCCW, false);
void
fgUpdateProps ()
{
- _set_view_from_axes();
}
}
- // Templates cause ambiguity here
-
-/**
- * Tie a property to an external bool variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, bool *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<bool>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
-/**
- * Tie a property to an external int variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, int *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<int>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
-/**
- * Tie a property to an external long variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, long *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<long>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
-/**
- * Tie a property to an external float variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, float *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<float>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
-/**
- * Tie a property to an external double variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, double *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<double>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
-/**
- * Tie a property to an external string variable.
- *
- * The property's value will automatically mirror the variable's
- * value, and vice-versa, until the property is untied.
- *
- * @param name The property name to tie (full path).
- * @param pointer A pointer to the variable.
- * @param useDefault true if any existing property value should be
- * copied to the variable; false if the variable should not
- * be modified; defaults to true.
- */
-inline void
-fgTie (const string &name, string *pointer, bool useDefault = true)
-{
- if (!globals->get_props()->tie(name, SGRawValuePointer<string>(pointer),
- useDefault))
- SG_LOG(SG_GENERAL, SG_WARN,
- "Failed to tie property " << name << " to a pointer");
-}
-
-
/**
* Tie a property to a pair of simple functions.
*
#include <simgear/misc/commands.hxx>
#include <simgear/misc/props.hxx>
+#include "viewmgr.hxx"
+
SG_USING_STD( vector );
SG_USING_STD( string );
class FGSoundMgr;
class FGAutopilot;
class FGFX;
-class FGViewMgr;
class FGViewer;
class FGATCMgr;
class FGATCDisplay;
// viewer manager
FGViewMgr *viewmgr;
- FGViewer *current_view;
// properties
SGPropertyNode *props;
inline FGViewMgr *get_viewmgr() const { return viewmgr; }
inline void set_viewmgr( FGViewMgr *vm ) { viewmgr = vm; }
- inline FGViewer *get_current_view() const { return current_view; }
- inline void set_current_view( FGViewer *v ) { current_view = v; }
+ inline FGViewer *get_current_view() const {
+ return viewmgr->get_current_view();
+ }
inline SGPropertyNode *get_props () { return props; }
inline void set_props( SGPropertyNode *n ) { props = n; }
#include <FDM/UIUCModel/uiuc_aircraftdir.h>
#include <GUI/gui.h>
-#include <GUI/sgVec3Slider.hxx>
// #include <Joystick/joystick.hxx>
#ifdef FG_NETWORK_OLK
#include <NetworkOLK/network.h>
// calculate our current position in cartesian space
scenery.set_center( scenery.get_next_center() );
- FGViewerRPH *pilot_view =
- (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
-
- pilot_view->set_geod_view_pos( longitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- latitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- altitude->getDoubleValue()
- * SG_FEET_TO_METER );
- pilot_view->set_rph( cur_fdm_state->get_Phi(),
- cur_fdm_state->get_Theta(),
- cur_fdm_state->get_Psi() );
-
- if (fgGetString("/sim/flight-model") == "ada") {
- //+ve x is aft, +ve z is up (see viewer.hxx)
- pilot_view->set_pilot_offset( -5.0, 0.0, 1.0 );
- }
-
- FGViewerLookAt *chase_view =
- (FGViewerLookAt *)globals->get_viewmgr()->get_view( 1 );
-
- sgVec3 po; // chase view pilot_offset
- sgVec3 wup; // chase view world up
- sgSetVec3( po, 0.0, 0.0, 100.0 );
- sgCopyVec3( wup, pilot_view->get_world_up() );
- sgMat4 CXFM; // chase view + pilot offset xform
- sgMakeRotMat4( CXFM,
- chase_view->get_view_offset() * SGD_RADIANS_TO_DEGREES -
- cur_fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES,
- wup );
- sgVec3 npo; // new pilot offset after rotation
- sgVec3 *pPO = PilotOffsetGet();
- sgXformVec3( po, *pPO, pilot_view->get_UP() );
- sgXformVec3( npo, po, CXFM );
-
- chase_view->set_geod_view_pos( longitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- latitude->getDoubleValue()
- * SGD_DEGREES_TO_RADIANS,
- altitude->getDoubleValue()
- * SG_FEET_TO_METER );
- chase_view->set_pilot_offset( npo[0], npo[1], npo[2] );
- chase_view->set_view_forward( pilot_view->get_view_pos() );
- chase_view->set_view_up( wup );
-
// update view port
fgReshape( fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize") );
}
// update the view angle
- globals->get_current_view()->update(multi_loop);
+ globals->get_viewmgr()->update(multi_loop);
l->UpdateAdjFog();
FGViewMgr *viewmgr = new FGViewMgr;
globals->set_viewmgr( viewmgr );
-
- FGViewerRPH *pv = new FGViewerRPH;
- globals->get_viewmgr()->add_view( pv );
-
- FGViewerLookAt *chase = new FGViewerLookAt;
- globals->get_viewmgr()->add_view( chase );
+ viewmgr->init();
+ viewmgr->bind();
string_list *col = new string_list;
globals->set_channel_options_list( col );
- // set current view to 0 (first) which is our main pilot view
- globals->set_current_view( globals->get_viewmgr()->get_view( 0 ) );
-
// Scan the config file(s) and command line options to see if
// fg_root was specified (ignore all other options for now)
fgInitFGRoot(argc, argv);
//
// $Id$
+#include <plib/sg.h>
+
+#include <GUI/sgVec3Slider.hxx> // FIXME: this should NOT be needed
#include "viewmgr.hxx"
+#include "fg_props.hxx"
// Constructor
FGViewMgr::FGViewMgr( void ) :
- current( 0 )
+ axis_long(0),
+ axis_lat(0),
+ current(0)
{
}
// Destructor
FGViewMgr::~FGViewMgr( void ) {
}
+
+void
+FGViewMgr::init ()
+{
+ add_view(new FGViewerRPH);
+ add_view(new FGViewerLookAt);
+}
+
+typedef double (FGViewMgr::*double_getter)() const;
+
+void
+FGViewMgr::bind ()
+{
+ fgTie("/sim/view/offset-deg", this,
+ &FGViewMgr::getViewOffset_deg, &FGViewMgr::setViewOffset_deg);
+ fgSetArchivable("/sim/view/offset-deg");
+ fgTie("/sim/view/goal-offset-deg", this,
+ &FGViewMgr::getGoalViewOffset_deg, &FGViewMgr::setGoalViewOffset_deg);
+ fgSetArchivable("/sim/view/goal-offset-deg");
+ fgTie("/sim/view/tilt-deg", this,
+ &FGViewMgr::getViewTilt_deg, &FGViewMgr::setViewTilt_deg);
+ fgSetArchivable("/sim/view/tilt-deg");
+ fgTie("/sim/view/goal-tilt-deg", this,
+ &FGViewMgr::getGoalViewTilt_deg, &FGViewMgr::setGoalViewTilt_deg);
+ fgSetArchivable("/sim/view/goal-tilt-deg");
+ fgTie("/sim/view/pilot/x-offset-m", this,
+ &FGViewMgr::getPilotXOffset_m, &FGViewMgr::setPilotXOffset_m);
+ fgSetArchivable("/sim/view/pilot/x-offset-m");
+ fgTie("/sim/view/pilot/y-offset-m", this,
+ &FGViewMgr::getPilotYOffset_m, &FGViewMgr::setPilotYOffset_m);
+ fgSetArchivable("/sim/view/pilot/y-offset-m");
+ fgTie("/sim/view/pilot/z-offset-m", this,
+ &FGViewMgr::getPilotZOffset_m, &FGViewMgr::setPilotZOffset_m);
+ fgSetArchivable("/sim/view/pilot/z-offset-m");
+ fgTie("/sim/field-of-view", this,
+ &FGViewMgr::getFOV_deg, &FGViewMgr::setFOV_deg);
+ fgSetArchivable("/sim/field-of-view");
+ fgTie("/sim/view/axes/long", this,
+ (double_getter)0, &FGViewMgr::setViewAxisLong);
+ fgTie("/sim/view/axes/lat", this,
+ (double_getter)0, &FGViewMgr::setViewAxisLat);
+}
+
+void
+FGViewMgr::unbind ()
+{
+ fgUntie("/sim/view/offset-deg");
+ fgUntie("/sim/view/goal-offset-deg");
+ fgUntie("/sim/view/tilt-deg");
+ fgUntie("/sim/view/goal-tilt-deg");
+ fgUntie("/sim/view/pilot/x-offset-m");
+ fgUntie("/sim/view/pilot/y-offset-m");
+ fgUntie("/sim/view/pilot/z-offset-m");
+ fgUntie("/sim/field-of-view");
+ fgUntie("/sim/view/axes/long");
+ fgUntie("/sim/view/axes/lat");
+}
+
+void
+FGViewMgr::update (int dt)
+{
+ FGViewer * view = get_current_view();
+ if (view == 0)
+ return;
+
+ // Grab some values we'll need.
+ double lon_rad = fgGetDouble("/position/longitude-deg")
+ * SGD_DEGREES_TO_RADIANS;
+ double lat_rad = fgGetDouble("/position/latitude-deg")
+ * SGD_DEGREES_TO_RADIANS;
+ double alt_m = fgGetDouble("/position/altitude-ft")
+ * SG_FEET_TO_METER;
+ double roll_rad = fgGetDouble("/orientation/roll-deg")
+ * SGD_DEGREES_TO_RADIANS;
+ double pitch_rad = fgGetDouble("/orientation/pitch-deg")
+ * SGD_DEGREES_TO_RADIANS;
+ double heading_rad = fgGetDouble("/orientation/heading-deg")
+ * SGD_DEGREES_TO_RADIANS;
+
+ // Set up the pilot view
+ FGViewerRPH *pilot_view = (FGViewerRPH *)get_view( 0 );
+ pilot_view ->set_geod_view_pos(lon_rad, lat_rad, alt_m);
+ pilot_view->set_rph(roll_rad, pitch_rad, heading_rad);
+ if (fgGetString("/sim/flight-model") == "ada") {
+ //+ve x is aft, +ve z is up (see viewer.hxx)
+ pilot_view->set_pilot_offset( -5.0, 0.0, 1.0 );
+ }
+
+ // Set up the chase view
+
+ // FIXME: the matrix math belongs in
+ // the viewer, not here.
+ FGViewerLookAt *chase_view = (FGViewerLookAt *)get_view( 1 );
+
+ sgVec3 po; // chase view pilot_offset
+ sgVec3 wup; // chase view world up
+ sgSetVec3( po, 0.0, 0.0, 100.0 );
+ sgCopyVec3( wup, pilot_view->get_world_up() );
+ sgMat4 CXFM; // chase view + pilot offset xform
+ sgMakeRotMat4( CXFM,
+ chase_view->get_view_offset() * SGD_RADIANS_TO_DEGREES -
+ heading_rad * SGD_RADIANS_TO_DEGREES,
+ wup );
+ sgVec3 npo; // new pilot offset after rotation
+ sgVec3 *pPO = PilotOffsetGet();
+ sgXformVec3( po, *pPO, pilot_view->get_UP() );
+ sgXformVec3( npo, po, CXFM );
+
+ chase_view->set_geod_view_pos(lon_rad, lat_rad, alt_m);
+ chase_view->set_pilot_offset( npo[0], npo[1], npo[2] );
+ chase_view->set_view_forward( pilot_view->get_view_pos() );
+ chase_view->set_view_up( wup );
+
+ // Update the current view
+ do_axes();
+ view->update(dt);
+}
+
+double
+FGViewMgr::getViewOffset_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_view_offset() * SGD_RADIANS_TO_DEGREES);
+}
+
+void
+FGViewMgr::setViewOffset_deg (double offset)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_view_offset(offset * SGD_DEGREES_TO_RADIANS);
+ std::cout << "View offset is now " << offset << std::endl;
+}
+
+double
+FGViewMgr::getGoalViewOffset_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_goal_view_offset() * SGD_RADIANS_TO_DEGREES);
+}
+
+void
+FGViewMgr::setGoalViewOffset_deg (double offset)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_goal_view_offset(offset * SGD_DEGREES_TO_RADIANS);
+ std::cout << "Goal view offset is now " << offset << std::endl;
+}
+
+double
+FGViewMgr::getViewTilt_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_view_tilt() * SGD_RADIANS_TO_DEGREES);
+}
+
+void
+FGViewMgr::setViewTilt_deg (double tilt)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+}
+
+double
+FGViewMgr::getGoalViewTilt_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_goal_view_tilt() * SGD_RADIANS_TO_DEGREES);
+}
+
+void
+FGViewMgr::setGoalViewTilt_deg (double tilt)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_goal_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+}
+
+double
+FGViewMgr::getPilotXOffset_m () const
+{
+ // FIXME: hard-coded pilot view position
+ const FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = ((FGViewer *)pilot_view)->get_pilot_offset();
+ return offset[0];
+ } else {
+ return 0;
+ }
+}
+
+void
+FGViewMgr::setPilotXOffset_m (double x)
+{
+ // FIXME: hard-coded pilot view position
+ FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = pilot_view->get_pilot_offset();
+ pilot_view->set_pilot_offset(x, offset[1], offset[2]);
+ }
+}
+
+double
+FGViewMgr::getPilotYOffset_m () const
+{
+ // FIXME: hard-coded pilot view position
+ const FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = ((FGViewer *)pilot_view)->get_pilot_offset();
+ return offset[1];
+ } else {
+ return 0;
+ }
+}
+
+void
+FGViewMgr::setPilotYOffset_m (double y)
+{
+ // FIXME: hard-coded pilot view position
+ FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = pilot_view->get_pilot_offset();
+ pilot_view->set_pilot_offset(offset[0], y, offset[2]);
+ }
+}
+
+double
+FGViewMgr::getPilotZOffset_m () const
+{
+ // FIXME: hard-coded pilot view position
+ const FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = ((FGViewer *)pilot_view)->get_pilot_offset();
+ return offset[2];
+ } else {
+ return 0;
+ }
+}
+
+void
+FGViewMgr::setPilotZOffset_m (double z)
+{
+ // FIXME: hard-coded pilot view position
+ FGViewer * pilot_view = get_view(0);
+ if (pilot_view != 0) {
+ float * offset = pilot_view->get_pilot_offset();
+ pilot_view->set_pilot_offset(offset[0], offset[1], z);
+ }
+}
+
+double
+FGViewMgr::getFOV_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_fov());
+}
+
+void
+FGViewMgr::setFOV_deg (double fov)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_fov(fov);
+}
+
+void
+FGViewMgr::setViewAxisLong (double axis)
+{
+ axis_long = axis;
+}
+
+void
+FGViewMgr::setViewAxisLat (double axis)
+{
+ axis_lat = axis;
+}
+
+void
+FGViewMgr::do_axes ()
+{
+ // Take no action when hat is centered
+ if ( ( axis_long < 0.01 ) &&
+ ( axis_long > -0.01 ) &&
+ ( axis_lat < 0.01 ) &&
+ ( axis_lat > -0.01 )
+ )
+ return;
+
+ double viewDir = 999;
+
+ /* Do all the quick and easy cases */
+ if (axis_long < 0) { // Longitudinal axis forward
+ if (axis_lat == axis_long)
+ viewDir = 45;
+ else if (axis_lat == - axis_long)
+ viewDir = 315;
+ else if (axis_lat == 0)
+ viewDir = 0;
+ } else if (axis_long > 0) { // Longitudinal axis backward
+ if (axis_lat == - axis_long)
+ viewDir = 135;
+ else if (axis_lat == axis_long)
+ viewDir = 225;
+ else if (axis_lat == 0)
+ viewDir = 180;
+ } else if (axis_long == 0) { // Longitudinal axis neutral
+ if (axis_lat < 0)
+ viewDir = 90;
+ else if (axis_lat > 0)
+ viewDir = 270;
+ else return; /* And assertion failure maybe? */
+ }
+
+ // Do all the difficult cases
+ if ( viewDir > 900 )
+ viewDir = SGD_RADIANS_TO_DEGREES * atan2 ( -axis_lat, -axis_long );
+ if ( viewDir < -1 ) viewDir += 360;
+
+ get_current_view()->set_goal_view_offset(viewDir*SGD_DEGREES_TO_RADIANS);
+}
#include <vector>
+#include "fgfs.hxx"
#include "viewer_lookat.hxx"
#include "viewer_rph.hxx"
// Define a structure containing view information
-class FGViewMgr {
-
-private:
-
- typedef vector < FGViewer * > viewer_list;
- viewer_list views;
-
- int current;
+class FGViewMgr : public FGSubsystem
+{
public:
// Destructor
~FGViewMgr( void );
+ virtual void init ();
+ virtual void bind ();
+ virtual void unbind ();
+ virtual void update (int dt);
+
// getters
inline int size() const { return views.size(); }
inline int get_current() const { return current; }
return NULL;
}
}
+ inline const FGViewer *get_current_view() const {
+ if ( current < (int)views.size() ) {
+ return views[current];
+ } else {
+ return NULL;
+ }
+ }
inline FGViewer *get_view( int i ) {
if ( i < 0 ) { i = 0; }
if ( i >= (int)views.size() ) { i = views.size() - 1; }
return views[i];
}
+ inline const FGViewer *get_view( int i ) const {
+ if ( i < 0 ) { i = 0; }
+ if ( i >= (int)views.size() ) { i = views.size() - 1; }
+ return views[i];
+ }
inline FGViewer *next_view() {
++current;
if ( current >= (int)views.size() ) {
inline void add_view( FGViewer * v ) {
views.push_back(v);
}
+
+private:
+
+ double axis_long;
+ double axis_lat;
+
+ void do_axes ();
+
+ double getViewOffset_deg () const;
+ void setViewOffset_deg (double offset);
+ double getGoalViewOffset_deg () const;
+ void setGoalViewOffset_deg (double offset);
+ double getViewTilt_deg () const;
+ void setViewTilt_deg (double tilt);
+ double getGoalViewTilt_deg () const;
+ void setGoalViewTilt_deg (double tilt);
+ double getPilotXOffset_m () const;
+ void setPilotXOffset_m (double x);
+ double getPilotYOffset_m () const;
+ void setPilotYOffset_m (double y);
+ double getPilotZOffset_m () const;
+ void setPilotZOffset_m (double z);
+ double getFOV_deg () const;
+ void setFOV_deg (double fov);
+ void setViewAxisLong (double axis);
+ void setViewAxisLat (double axis);
+
+ typedef vector < FGViewer * > viewer_list;
+ viewer_list views;
+
+ int current;
+
};