// viewmgr.cxx -- class for managing all the views in the flightgear world.
//
// Written by Curtis Olson, started October 2000.
+// partially rewritten by Jim Wilson March 2002
//
// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
//
//
// $Id$
-#include <plib/sg.h>
+#include <string.h> // strcmp
-#include <GUI/sgVec3Slider.hxx> // FIXME: this should NOT be needed
+#include <plib/sg.h>
#include "viewmgr.hxx"
#include "fg_props.hxx"
void
FGViewMgr::init ()
{
- add_view(new FGViewerRPH);
- add_view(new FGViewerLookAt);
+ char stridx [ 20 ];
+ string viewpath, nodepath, strdata;
+ bool from_model = false;
+ bool at_model = false;
+ int from_model_index = 0;
+ int at_model_index = 0;
+ double x_offset_m, y_offset_m, z_offset_m;
+ double near_m;
+
+ for (int i = 0; i < fgGetInt("/sim/number-views"); i++) {
+ viewpath = "/sim/view";
+ sprintf(stridx, "[%d]", i);
+ viewpath += stridx;
+
+ // find out what type of view this is...
+ nodepath = viewpath;
+ nodepath += "/type";
+ strdata = fgGetString(nodepath.c_str());
+
+ // FIXME:
+ // this is assumed to be an aircraft model...we will need to read
+ // model-from-type as well.
+ // find out if this is a model we are looking from...
+ nodepath = viewpath;
+ nodepath += "/config/from-model";
+ from_model = fgGetBool(nodepath.c_str());
+
+ // get model index (which model)
+ if (from_model) {
+ nodepath = viewpath;
+ nodepath += "/config/from-model-idx";
+ from_model_index = fgGetInt(nodepath.c_str());
+ }
+
+ if ( strcmp("lookat",strdata.c_str()) == 0 ) {
+ // find out if this is a model we are looking at...
+ nodepath = viewpath;
+ nodepath += "/config/at-model";
+ at_model = fgGetBool(nodepath.c_str());
+
+ // get model index (which model)
+ if (at_model) {
+ nodepath = viewpath;
+ nodepath += "/config/at-model-idx";
+ at_model_index = fgGetInt(nodepath.c_str());
+ }
+ }
+
+ nodepath = viewpath;
+ nodepath += "/config/x-offset-m";
+ x_offset_m = fgGetDouble(nodepath.c_str());
+ nodepath = viewpath;
+ nodepath += "/config/y-offset-m";
+ y_offset_m = fgGetDouble(nodepath.c_str());
+ nodepath = viewpath;
+ nodepath += "/config/z-offset-m";
+ z_offset_m = fgGetDouble(nodepath.c_str());
+
+ nodepath = viewpath;
+ nodepath += "/config/ground-level-nearplane-m";
+ near_m = fgGetDouble(nodepath.c_str());
+
+ // supporting two types now "lookat" = 1 and "lookfrom" = 0
+ if ( strcmp("lookat",strdata.c_str()) == 0 )
+ add_view(new FGViewer ( FG_LOOKAT, from_model, from_model_index,
+ at_model, at_model_index, x_offset_m, y_offset_m,
+ z_offset_m, near_m ));
+ else
+ add_view(new FGViewer ( FG_LOOKFROM, from_model, from_model_index, false,
+ 0, x_offset_m, y_offset_m, z_offset_m, near_m ));
+
+ }
+
+ copyToCurrent();
+
}
typedef double (FGViewMgr::*double_getter)() const;
void
FGViewMgr::bind ()
{
- fgTie("/sim/view/offset-deg", this,
+ // these are bound to the current view properties
+ fgTie("/sim/current-view/heading-offset-deg", this,
&FGViewMgr::getViewOffset_deg, &FGViewMgr::setViewOffset_deg);
- fgSetArchivable("/sim/view/offset-deg");
- fgTie("/sim/view/goal-offset-deg", this,
+ fgSetArchivable("/sim/current-view/heading-offset-deg");
+ fgTie("/sim/current-view/goal-heading-offset-deg", this,
&FGViewMgr::getGoalViewOffset_deg, &FGViewMgr::setGoalViewOffset_deg);
- fgSetArchivable("/sim/view/goal-offset-deg");
- fgTie("/sim/view/tilt-deg", this,
+ fgSetArchivable("/sim/current-view/goal-heading-offset-deg");
+ fgTie("/sim/current-view/pitch-offset-deg", this,
&FGViewMgr::getViewTilt_deg, &FGViewMgr::setViewTilt_deg);
- fgSetArchivable("/sim/view/tilt-deg");
- fgTie("/sim/view/goal-tilt-deg", this,
+ fgSetArchivable("/sim/current-view/pitch-offset-deg");
+ fgTie("/sim/current-view/goal-pitch-offset-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,
+ fgSetArchivable("/sim/current-view/goal-pitch-offset-deg");
+
+ fgTie("/sim/current-view/axes/long", this,
(double_getter)0, &FGViewMgr::setViewAxisLong);
- fgTie("/sim/view/axes/lat", this,
+ fgTie("/sim/current-view/axes/lat", this,
(double_getter)0, &FGViewMgr::setViewAxisLat);
+
+ fgTie("/sim/current-view/field-of-view", this,
+ &FGViewMgr::getFOV_deg, &FGViewMgr::setFOV_deg);
+ fgSetArchivable("/sim/current-view/field-of-view");
+
+ fgTie("/sim/current-view/ground-level-nearplane-m", this,
+ &FGViewMgr::getNear_m, &FGViewMgr::setNear_m);
+ fgSetArchivable("/sim/current-view/ground-level-nearplane-m");
+
}
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");
+ // FIXME:
+ // need to redo these bindings to the new locations (move to viewer?)
+ fgUntie("/sim/current-view/heading-offset-deg");
+ fgUntie("/sim/current-view/goal-heading-offset-deg");
+ fgUntie("/sim/current-view/pitch-offset-deg");
+ fgUntie("/sim/current-view/goal-pitch-offset-deg");
fgUntie("/sim/field-of-view");
- fgUntie("/sim/view/axes/long");
- fgUntie("/sim/view/axes/lat");
+ fgUntie("/sim/current-view/axes/long");
+ fgUntie("/sim/current-view/axes/lat");
}
void
-FGViewMgr::update (int dt)
+FGViewMgr::update (double dt)
{
+ char stridx [20];
+ string viewpath, nodepath;
+ double lon_deg, lat_deg, alt_ft, roll_deg, pitch_deg, heading_deg;
+
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 );
+ //
+ int i = current;
+ viewpath = "/sim/view";
+ sprintf(stridx, "[%d]", i);
+ viewpath += stridx;
+
+
+ FGViewer *loop_view = (FGViewer *)get_view( i );
+
+ // Set up view location and orientation
+
+ nodepath = viewpath;
+ nodepath += "/config/from-model";
+ if (!fgGetBool(nodepath.c_str())) {
+ nodepath = viewpath;
+ nodepath += "/config/eye-lon-deg-path";
+ lon_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/eye-lat-deg-path";
+ lat_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/eye-alt-ft-path";
+ alt_ft = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/eye-roll-deg-path";
+ roll_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/eye-pitch-deg-path";
+ pitch_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/eye-heading-deg-path";
+ heading_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ loop_view->setPosition(lon_deg, lat_deg, alt_ft);
+ loop_view->setOrientation(roll_deg, pitch_deg, heading_deg);
+ } else {
+ // force recalc in viewer
+ loop_view->set_dirty();
}
- // 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
+ // if lookat (type 1) then get target data...
+ if (loop_view->getType() == FG_LOOKAT) {
+ nodepath = viewpath;
+ nodepath += "/config/from-model";
+ if (!fgGetBool(nodepath.c_str())) {
+ nodepath = viewpath;
+ nodepath += "/config/target-lon-deg-path";
+ lon_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/target-lat-deg-path";
+ lat_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/target-alt-ft-path";
+ alt_ft = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/target-roll-deg-path";
+ roll_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/target-pitch-deg-path";
+ pitch_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+ nodepath = viewpath;
+ nodepath += "/config/target-heading-deg-path";
+ heading_deg = fgGetDouble(fgGetString(nodepath.c_str()));
+
+ loop_view ->setTargetPosition(lon_deg, lat_deg, alt_ft);
+ loop_view->setTargetOrientation(roll_deg, pitch_deg, heading_deg);
+ } else {
+ loop_view->set_dirty();
+ }
+ }
+ setPilotXOffset_m(fgGetDouble("/sim/current-view/x-offset-m"));
+ setPilotYOffset_m(fgGetDouble("/sim/current-view/y-offset-m"));
+ setPilotZOffset_m(fgGetDouble("/sim/current-view/z-offset-m"));
+
+ // Update the current view
do_axes();
view->update(dt);
}
+void
+FGViewMgr::copyToCurrent()
+{
+ fgSetDouble("/sim/current-view/x-offset-m", getPilotXOffset_m());
+ fgSetDouble("/sim/current-view/y-offset-m", getPilotYOffset_m());
+ fgSetDouble("/sim/current-view/z-offset-m", getPilotZOffset_m());
+}
+
+
double
FGViewMgr::getViewOffset_deg () const
{
const FGViewer * view = get_current_view();
- return (view == 0 ? 0 : view->get_view_offset() * SGD_RADIANS_TO_DEGREES);
+ return (view == 0 ? 0 : view->getHeadingOffset_deg());
}
void
FGViewMgr::setViewOffset_deg (double offset)
{
FGViewer * view = get_current_view();
- if (view != 0)
- view->set_view_offset(offset * SGD_DEGREES_TO_RADIANS);
+ if (view != 0) {
+ view->setGoalHeadingOffset_deg(offset);
+ view->setHeadingOffset_deg(offset);
+ }
}
double
FGViewMgr::getGoalViewOffset_deg () const
{
const FGViewer * view = get_current_view();
- return (view == 0 ? 0 : view->get_goal_view_offset() * SGD_RADIANS_TO_DEGREES);
+ return (view == 0 ? 0 : view->getGoalHeadingOffset_deg());
}
void
{
FGViewer * view = get_current_view();
if (view != 0)
- view->set_goal_view_offset(offset * SGD_DEGREES_TO_RADIANS);
+ view->setGoalHeadingOffset_deg(offset);
}
double
FGViewMgr::getViewTilt_deg () const
{
const FGViewer * view = get_current_view();
- return (view == 0 ? 0 : view->get_view_tilt() * SGD_RADIANS_TO_DEGREES);
+ return (view == 0 ? 0 : view->getPitchOffset_deg());
}
void
FGViewMgr::setViewTilt_deg (double tilt)
{
FGViewer * view = get_current_view();
- if (view != 0)
- view->set_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+ if (view != 0) {
+ view->setGoalPitchOffset_deg(tilt);
+ view->setPitchOffset_deg(tilt);
+ }
}
double
FGViewMgr::getGoalViewTilt_deg () const
{
const FGViewer * view = get_current_view();
- return (view == 0 ? 0 : view->get_goal_view_tilt() * SGD_RADIANS_TO_DEGREES);
+ return (view == 0 ? 0 : view->getGoalPitchOffset_deg());
}
void
{
FGViewer * view = get_current_view();
if (view != 0)
- view->set_goal_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+ view->setGoalPitchOffset_deg(tilt);
}
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];
+ const FGViewer * view = get_current_view();
+ if (view != 0) {
+ return ((FGViewer *)view)->getXOffset_m();
} 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]);
+ FGViewer * view = get_current_view();
+ if (view != 0) {
+ view->setXOffset_m(x);
}
}
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];
+ const FGViewer * view = get_current_view();
+ if (view != 0) {
+ return ((FGViewer *)view)->getYOffset_m();
} 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]);
+ FGViewer * view = get_current_view();
+ if (view != 0) {
+ view->setYOffset_m(y);
}
}
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];
+ const FGViewer * view = get_current_view();
+ if (view != 0) {
+ return ((FGViewer *)view)->getZOffset_m();
} 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);
+ FGViewer * view = get_current_view();
+ if (view != 0) {
+ view->setZOffset_m(z);
}
}
view->set_fov(fov);
}
+double
+FGViewMgr::getNear_m () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0.5f : view->getNear_m());
+}
+
+void
+FGViewMgr::setNear_m (double near_m)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->setNear_m(near_m);
+}
+
void
FGViewMgr::setViewAxisLong (double axis)
{
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);
+ get_current_view()->setGoalHeadingOffset_deg(viewDir);
}