// Written by Curtis Olson, started October 2000.
// partially rewritten by Jim Wilson March 2002
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// 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.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
-#include <string.h> // strcmp
-
-#include <plib/sg.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include "viewmgr.hxx"
-#include "fg_props.hxx"
+#include <string.h> // strcmp
+
+#include <simgear/compiler.h>
+#include <simgear/sound/soundmgr_openal.hxx>
+#include <Model/acmodel.hxx>
+#include <Main/viewer.hxx>
+#include <Main/fg_props.hxx>
// Constructor
FGViewMgr::FGViewMgr( void ) :
axis_long(0),
axis_lat(0),
- current(0)
+ inited(false),
+ view_number(fgGetNode("/sim/current-view/view-number", true)),
+ config_list(fgGetNode("/sim", true)->getChildren("view")),
+ abs_viewer_position(SGVec3d::zeros()),
+ current(0),
+ current_view_orientation(SGQuatd::zeros()),
+ current_view_or_offset(SGQuatd::zeros()),
+ smgr(globals->get_soundmgr())
{
}
-
// Destructor
FGViewMgr::~FGViewMgr( void ) {
}
void
FGViewMgr::init ()
{
- 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 damp_alt, damp_roll, damp_pitch, damp_heading;
- double x_offset_m, y_offset_m, z_offset_m, fov_deg;
- double heading_offset_deg, pitch_offset_deg, roll_offset_deg;
- double target_x_offset_m, target_y_offset_m, target_z_offset_m;
- double near_m;
- bool internal;
-
- 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());
+ if (inited) {
+ SG_LOG(SG_GENERAL, SG_WARN, "duplicate init of view manager");
+ return;
+ }
+
+ inited = true;
+
+ double aspect_ratio_multiplier
+ = fgGetDouble("/sim/current-view/aspect-ratio-multiplier");
+
+ for (unsigned int i = 0; i < config_list.size(); i++) {
+ SGPropertyNode *n = config_list[i];
// find out if this is an internal view (e.g. in cockpit, low near plane)
- internal = false; // default
- nodepath = viewpath;
- nodepath += "/internal";
- internal = fgGetBool(nodepath.c_str());
+ bool internal = n->getBoolValue("internal", false);
// 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());
- }
+ bool from_model = n->getBoolValue("config/from-model");
+ int from_model_index = n->getIntValue("config/from-model-idx");
- 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/at-model-roll-damping";
- damp_roll = fgGetDouble(nodepath.c_str(), 0.0);
- nodepath = viewpath;
- nodepath += "/config/at-model-pitch-damping";
- damp_pitch = fgGetDouble(nodepath.c_str(), 0.0);
- nodepath = viewpath;
- nodepath += "/config/at-model-heading-damping";
- damp_heading = fgGetDouble(nodepath.c_str(), 0.0);
- }
- }
+ double x_offset_m = n->getDoubleValue("config/x-offset-m");
+ double y_offset_m = n->getDoubleValue("config/y-offset-m");
+ double z_offset_m = n->getDoubleValue("config/z-offset-m");
- 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/pitch-offset-deg";
- pitch_offset_deg = fgGetDouble(nodepath.c_str());
- fgSetDouble(nodepath.c_str(),pitch_offset_deg);
- nodepath = viewpath;
- nodepath += "/config/heading-offset-deg";
- heading_offset_deg = fgGetDouble(nodepath.c_str());
- fgSetDouble(nodepath.c_str(),heading_offset_deg);
- nodepath = viewpath;
- nodepath += "/config/roll-offset-deg";
- roll_offset_deg = fgGetDouble(nodepath.c_str());
- fgSetDouble(nodepath.c_str(),roll_offset_deg);
- nodepath = viewpath;
- nodepath += "/config/default-field-of-view-deg";
- fov_deg = fgGetDouble(nodepath.c_str());
+ double heading_offset_deg = n->getDoubleValue("config/heading-offset-deg");
+ n->setDoubleValue("config/heading-offset-deg", heading_offset_deg);
+ double pitch_offset_deg = n->getDoubleValue("config/pitch-offset-deg");
+ n->setDoubleValue("config/pitch-offset-deg", pitch_offset_deg);
+ double roll_offset_deg = n->getDoubleValue("config/roll-offset-deg");
+ n->setDoubleValue("config/roll-offset-deg", roll_offset_deg);
+
+ double fov_deg = n->getDoubleValue("config/default-field-of-view-deg");
+ double near_m = n->getDoubleValue("config/ground-level-nearplane-m");
+
+ // supporting two types "lookat" = 1 and "lookfrom" = 0
+ const char *type = n->getStringValue("type");
+ if (!strcmp(type, "lookat")) {
+
+ bool at_model = n->getBoolValue("config/at-model");
+ int at_model_index = n->getIntValue("config/at-model-idx");
+
+ double damp_roll = n->getDoubleValue("config/at-model-roll-damping");
+ double damp_pitch = n->getDoubleValue("config/at-model-pitch-damping");
+ double damp_heading = n->getDoubleValue("config/at-model-heading-damping");
+
+ double target_x_offset_m = n->getDoubleValue("config/target-x-offset-m");
+ double target_y_offset_m = n->getDoubleValue("config/target-y-offset-m");
+ double target_z_offset_m = n->getDoubleValue("config/target-z-offset-m");
- // target offsets for lookat mode only...
- nodepath = viewpath;
- nodepath += "/config/target-x-offset-m";
- target_x_offset_m = fgGetDouble(nodepath.c_str());
- nodepath = viewpath;
- nodepath += "/config/target-y-offset-m";
- target_y_offset_m = fgGetDouble(nodepath.c_str());
- nodepath = viewpath;
- nodepath += "/config/target-z-offset-m";
- target_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,
damp_roll, damp_pitch, damp_heading,
x_offset_m, y_offset_m,z_offset_m,
heading_offset_deg, pitch_offset_deg,
- roll_offset_deg, fov_deg,
+ roll_offset_deg, fov_deg, aspect_ratio_multiplier,
target_x_offset_m, target_y_offset_m,
target_z_offset_m, near_m, internal ));
- else
+ } else {
add_view(new FGViewer ( FG_LOOKFROM, from_model, from_model_index,
false, 0, 0.0, 0.0, 0.0,
x_offset_m, y_offset_m, z_offset_m,
heading_offset_deg, pitch_offset_deg,
- roll_offset_deg, fov_deg, 0, 0, 0, near_m,
- internal ));
+ roll_offset_deg, fov_deg, aspect_ratio_multiplier,
+ 0, 0, 0, near_m, internal ));
+ }
}
copyToCurrent();
-
+ do_bind();
}
void
FGViewMgr::reinit ()
{
- char stridx [ 20 ];
- string viewpath, nodepath, strdata;
- double fov_deg;
-
// reset offsets and fov to configuration defaults
-
- for (int i = 0; i < fgGetInt("/sim/number-views"); i++) {
- viewpath = "/sim/view";
- sprintf(stridx, "[%d]", i);
- viewpath += stridx;
-
+ for (unsigned int i = 0; i < config_list.size(); i++) {
+ SGPropertyNode *n = config_list[i];
setView(i);
- nodepath = viewpath;
- nodepath += "/config/x-offset-m";
- fgSetDouble("/sim/current-view/x-offset-m",fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/y-offset-m";
- fgSetDouble("/sim/current-view/y-offset-m",fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/z-offset-m";
- fgSetDouble("/sim/current-view/z-offset-m",fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/pitch-offset-deg";
+ fgSetDouble("/sim/current-view/x-offset-m",
+ n->getDoubleValue("config/x-offset-m"));
+ fgSetDouble("/sim/current-view/y-offset-m",
+ n->getDoubleValue("config/y-offset-m"));
+ fgSetDouble("/sim/current-view/z-offset-m",
+ n->getDoubleValue("config/z-offset-m"));
fgSetDouble("/sim/current-view/pitch-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/heading-offset-deg";
+ n->getDoubleValue("config/pitch-offset-deg"));
fgSetDouble("/sim/current-view/heading-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/roll-offset-deg";
+ n->getDoubleValue("config/heading-offset-deg"));
fgSetDouble("/sim/current-view/roll-offset-deg",
- fgGetDouble(nodepath.c_str()));
+ n->getDoubleValue("config/roll-offset-deg"));
- nodepath = viewpath;
- nodepath += "/config/default-field-of-view-deg";
- fov_deg = fgGetDouble(nodepath.c_str());
- if (fov_deg < 10.0) {
+ double fov_deg = n->getDoubleValue("config/default-field-of-view-deg");
+ if (fov_deg < 10.0)
fov_deg = 55.0;
- }
- fgSetDouble("/sim/current-view/field-of-view",fov_deg);
+ fgSetDouble("/sim/current-view/field-of-view", fov_deg);
// target offsets for lookat mode only...
- nodepath = viewpath;
- nodepath += "/config/target-x-offset-m";
- fgSetDouble("/sim/current-view/target-x-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/target-y-offset-m";
- fgSetDouble("/sim/current-view/target-y-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/target-z-offset-m";
- fgSetDouble("/sim/current-view/target-z-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- }
-
- setView(0);
-
+ fgSetDouble("/sim/current-view/target-x-offset-m",
+ n->getDoubleValue("config/target-x-offset-m"));
+ fgSetDouble("/sim/current-view/target-y-offset-m",
+ n->getDoubleValue("config/target-y-offset-m"));
+ fgSetDouble("/sim/current-view/target-z-offset-m",
+ n->getDoubleValue("config/target-z-offset-m"));
+ }
+ setView(0);
}
typedef double (FGViewMgr::*double_getter)() const;
void
-FGViewMgr::bind ()
+FGViewMgr::bind()
+{
+ // view-manager code was designed to init before bind, so
+ // this is a no-op; init() calls the real bind() impl below
+}
+
+void
+FGViewMgr::do_bind()
{
// these are bound to the current view properties
fgTie("/sim/current-view/heading-offset-deg", this,
&FGViewMgr::getGoalViewPitchOffset_deg,
&FGViewMgr::setGoalViewPitchOffset_deg);
fgSetArchivable("/sim/current-view/goal-pitch-offset-deg");
-
- fgTie("/sim/current-view/view-number", this,
+ fgTie("/sim/current-view/roll-offset-deg", this,
+ &FGViewMgr::getViewRollOffset_deg,
+ &FGViewMgr::setViewRollOffset_deg);
+ fgSetArchivable("/sim/current-view/roll-offset-deg");
+ fgTie("/sim/current-view/goal-roll-offset-deg", this,
+ &FGViewMgr::getGoalViewRollOffset_deg,
+ &FGViewMgr::setGoalViewRollOffset_deg);
+ fgSetArchivable("/sim/current-view/goal-roll-offset-deg");
+
+ fgTie("/sim/current-view/view-number", this,
&FGViewMgr::getView, &FGViewMgr::setView);
- fgSetArchivable("/sim/current-view/view-number", FALSE);
+ fgSetArchivable("/sim/current-view/view-number", false);
fgTie("/sim/current-view/axes/long", this,
(double_getter)0, &FGViewMgr::setViewAxisLong);
&FGViewMgr::getFOV_deg, &FGViewMgr::setFOV_deg);
fgSetArchivable("/sim/current-view/field-of-view");
+ fgTie("/sim/current-view/aspect-ratio-multiplier", this,
+ &FGViewMgr::getARM_deg, &FGViewMgr::setARM_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");
+ SGPropertyNode *n = fgGetNode("/sim/current-view", true);
+ n->tie("viewer-x-m", SGRawValuePointer<double>(&abs_viewer_position[0]));
+ n->tie("viewer-y-m", SGRawValuePointer<double>(&abs_viewer_position[1]));
+ n->tie("viewer-z-m", SGRawValuePointer<double>(&abs_viewer_position[2]));
+
+// for automatic untying:
+#define x(str) ((void)tied_props.push_back(str), str)
+
+ fgTie(x("/sim/current-view/debug/orientation-w"), this,
+ &FGViewMgr::getCurrentViewOrientation_w);
+ fgTie(x("/sim/current-view/debug/orientation-x"), this,
+ &FGViewMgr::getCurrentViewOrientation_x);
+ fgTie(x("/sim/current-view/debug/orientation-y"), this,
+ &FGViewMgr::getCurrentViewOrientation_y);
+ fgTie(x("/sim/current-view/debug/orientation-z"), this,
+ &FGViewMgr::getCurrentViewOrientation_z);
+
+ fgTie(x("/sim/current-view/debug/orientation_offset-w"), this,
+ &FGViewMgr::getCurrentViewOrOffset_w);
+ fgTie(x("/sim/current-view/debug/orientation_offset-x"), this,
+ &FGViewMgr::getCurrentViewOrOffset_x);
+ fgTie(x("/sim/current-view/debug/orientation_offset-y"), this,
+ &FGViewMgr::getCurrentViewOrOffset_y);
+ fgTie(x("/sim/current-view/debug/orientation_offset-z"), this,
+ &FGViewMgr::getCurrentViewOrOffset_z);
+
+ fgTie(x("/sim/current-view/debug/frame-w"), this,
+ &FGViewMgr::getCurrentViewFrame_w);
+ fgTie(x("/sim/current-view/debug/frame-x"), this,
+ &FGViewMgr::getCurrentViewFrame_x);
+ fgTie(x("/sim/current-view/debug/frame-y"), this,
+ &FGViewMgr::getCurrentViewFrame_y);
+ fgTie(x("/sim/current-view/debug/frame-z"), this,
+ &FGViewMgr::getCurrentViewFrame_z);
+
+#undef x
}
void
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/current-view/field-of-view");
+ fgUntie("/sim/current-view/aspect-ratio-multiplier");
fgUntie("/sim/current-view/view-number");
fgUntie("/sim/current-view/axes/long");
fgUntie("/sim/current-view/axes/lat");
fgUntie("/sim/current-view/ground-level-nearplane-m");
+ fgUntie("/sim/current-view/viewer-x-m");
+ fgUntie("/sim/current-view/viewer-y-m");
+ fgUntie("/sim/current-view/viewer-z-m");
+
+ std::list<const char*>::const_iterator it;
+ for (it = tied_props.begin(); it != tied_props.end(); it++){
+ fgUntie(*it);
+ }
+
}
void
FGViewMgr::update (double dt)
{
- char stridx [20];
- string viewpath, nodepath;
+
+ FGViewer *loop_view = (FGViewer *)get_current_view();
+ if (loop_view == 0) return;
+
+ SGPropertyNode *n = config_list[current];
double lon_deg, lat_deg, alt_ft, roll_deg, pitch_deg, heading_deg;
- FGViewer * view = get_current_view();
- if (view == 0)
- return;
+ // Set up view location and orientation
+
+ if (!n->getBoolValue("config/from-model")) {
+ lon_deg = fgGetDouble(n->getStringValue("config/eye-lon-deg-path"));
+ lat_deg = fgGetDouble(n->getStringValue("config/eye-lat-deg-path"));
+ alt_ft = fgGetDouble(n->getStringValue("config/eye-alt-ft-path"));
+ roll_deg = fgGetDouble(n->getStringValue("config/eye-roll-deg-path"));
+ pitch_deg = fgGetDouble(n->getStringValue("config/eye-pitch-deg-path"));
+ heading_deg = fgGetDouble(n->getStringValue("config/eye-heading-deg-path"));
- //
- 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 {
// 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()));
+ if (!n->getBoolValue("config/from-model")) {
+ lon_deg = fgGetDouble(n->getStringValue("config/target-lon-deg-path"));
+ lat_deg = fgGetDouble(n->getStringValue("config/target-lat-deg-path"));
+ alt_ft = fgGetDouble(n->getStringValue("config/target-alt-ft-path"));
+ roll_deg = fgGetDouble(n->getStringValue("config/target-roll-deg-path"));
+ pitch_deg = fgGetDouble(n->getStringValue("config/target-pitch-deg-path"));
+ heading_deg = fgGetDouble(n->getStringValue("config/target-heading-deg-path"));
loop_view->setTargetPosition(lon_deg, lat_deg, alt_ft);
loop_view->setTargetOrientation(roll_deg, pitch_deg, heading_deg);
setViewTargetYOffset_m(fgGetDouble("/sim/current-view/target-y-offset-m"));
setViewTargetZOffset_m(fgGetDouble("/sim/current-view/target-z-offset-m"));
- // Update the current view
+ current_view_orientation = loop_view->getViewOrientation();
+ current_view_or_offset = loop_view->getViewOrientationOffset();
+
+ // Update the current view
do_axes();
- view->update(dt);
+ loop_view->update(dt);
+ abs_viewer_position = loop_view->getViewPosition();
+
+ // update audio listener values
+ // set the viewer position in Cartesian coordinates in meters
+ smgr->set_position( abs_viewer_position, loop_view->getPosition() );
+ smgr->set_orientation( current_view_orientation );
+
+ // get the model velocity
+ SGVec3d velocity = SGVec3d::zeros();
+ if ( !stationary() ) {
+ velocity = globals->get_aircraft_model()->getVelocity();
+ }
+ smgr->set_velocity( velocity );
}
void
FGViewMgr::copyToCurrent()
{
- char stridx [20];
- string viewpath, nodepath;
-
- int i = current;
- viewpath = "/sim/view";
- sprintf(stridx, "[%d]", i);
- viewpath += stridx;
+ if (!inited) {
+ return;
+ }
+
+ SGPropertyNode *n = config_list[current];
+ fgSetString("/sim/current-view/name", n->getStringValue("name"));
+ fgSetString("/sim/current-view/type", n->getStringValue("type"));
// copy certain view config data for default values
- nodepath = viewpath;
- nodepath += "/config/default-heading-offset-deg";
fgSetDouble("/sim/current-view/config/heading-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/pitch-offset-deg";
+ n->getDoubleValue("config/default-heading-offset-deg"));
fgSetDouble("/sim/current-view/config/pitch-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/roll-offset-deg";
+ n->getDoubleValue("config/pitch-offset-deg"));
fgSetDouble("/sim/current-view/config/roll-offset-deg",
- fgGetDouble(nodepath.c_str()));
-
- nodepath = viewpath;
- nodepath += "/config/default-field-of-view-deg";
+ n->getDoubleValue("config/roll-offset-deg"));
fgSetDouble("/sim/current-view/config/default-field-of-view-deg",
- fgGetDouble(nodepath.c_str()));
+ n->getDoubleValue("config/default-field-of-view-deg"));
+ fgSetBool("/sim/current-view/config/from-model",
+ n->getBoolValue("config/from-model"));
// copy view data
fgSetDouble("/sim/current-view/x-offset-m", getViewXOffset_m());
fgSetDouble("/sim/current-view/y-offset-m", getViewYOffset_m());
fgSetDouble("/sim/current-view/z-offset-m", getViewZOffset_m());
+
fgSetDouble("/sim/current-view/goal-heading-offset-deg",
get_current_view()->getGoalHeadingOffset_deg());
fgSetDouble("/sim/current-view/goal-pitch-offset-deg",
get_current_view()->getTargetYOffset_m());
fgSetDouble("/sim/current-view/target-z-offset-m",
get_current_view()->getTargetZOffset_m());
+ fgSetBool("/sim/current-view/internal",
+ get_current_view()->getInternal());
+}
+
+void FGViewMgr::clear()
+{
+ views.clear();
+}
+
+FGViewer*
+FGViewMgr::get_current_view()
+{
+ if ( current < (int)views.size() ) {
+ return views[current];
+ } else {
+ return NULL;
+ }
+}
+
+const FGViewer*
+FGViewMgr::get_current_view() const
+{
+ if ( current < (int)views.size() ) {
+ return views[current];
+ } else {
+ return NULL;
+ }
+}
+
+
+FGViewer*
+FGViewMgr::get_view( int i )
+{
+ if ( i < 0 ) { i = 0; }
+ if ( i >= (int)views.size() ) { i = views.size() - 1; }
+ return views[i];
+}
+
+const FGViewer*
+FGViewMgr::get_view( int i ) const
+{
+ if ( i < 0 ) { i = 0; }
+ if ( i >= (int)views.size() ) { i = views.size() - 1; }
+ return views[i];
}
+FGViewer*
+FGViewMgr::next_view()
+{
+ setView((current+1 < (int)views.size()) ? (current + 1) : 0);
+ view_number->fireValueChanged();
+ return views[current];
+}
+FGViewer*
+FGViewMgr::prev_view()
+{
+ setView((0 < current) ? (current - 1) : (views.size() - 1));
+ view_number->fireValueChanged();
+ return views[current];
+}
+
+void
+FGViewMgr::add_view( FGViewer * v )
+{
+ views.push_back(v);
+ v->init();
+}
+
double
FGViewMgr::getViewHeadingOffset_deg () const
{
view->setGoalPitchOffset_deg(tilt);
}
+double
+FGViewMgr::getViewRollOffset_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->getRollOffset_deg());
+}
+
+void
+FGViewMgr::setViewRollOffset_deg (double tilt)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0) {
+ view->setGoalRollOffset_deg(tilt);
+ view->setRollOffset_deg(tilt);
+ }
+}
+
+double
+FGViewMgr::getGoalViewRollOffset_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->getGoalRollOffset_deg());
+}
+
+void
+FGViewMgr::setGoalViewRollOffset_deg (double tilt)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->setGoalRollOffset_deg(tilt);
+}
+
double
FGViewMgr::getViewXOffset_m () const
{
}
}
+bool
+FGViewMgr::stationary () const
+{
+ const FGViewer * view = get_current_view();
+ if (view != 0) {
+ if (((FGViewer *)view)->getXOffset_m() == 0.0 &&
+ ((FGViewer *)view)->getYOffset_m() == 0.0 &&
+ ((FGViewer *)view)->getZOffset_m() == 0.0)
+ return true;
+ }
+
+ return false;
+}
+
double
FGViewMgr::getViewTargetXOffset_m () const
{
}
void
-FGViewMgr::setView (int newview )
-{
- // if newview number too low wrap to last view...
- if ( newview < 0 ) {
- newview = (int)views.size() -1;
+FGViewMgr::setView (int newview)
+{
+ // negative numbers -> set view with node index -newview
+ if (newview < 0) {
+ for (int i = 0; i < (int)config_list.size(); i++) {
+ int index = -config_list[i]->getIndex();
+ if (index == newview)
+ newview = i;
+ }
+ if (newview < 0)
+ return;
}
+
+ // if newview number too low wrap to last view...
+ if (newview < 0)
+ newview = (int)views.size() - 1;
+
// if newview number to high wrap to zero...
- if ( newview > ((int)views.size() -1) ) {
+ if (newview >= (int)views.size())
newview = 0;
- }
+
// set new view
- set_view( newview );
+ current = newview;
// copy in view data
- copyToCurrent ();
+ copyToCurrent();
}
view->set_fov(fov);
}
+double
+FGViewMgr::getARM_deg () const
+{
+ const FGViewer * view = get_current_view();
+ return (view == 0 ? 0 : view->get_aspect_ratio_multiplier());
+}
+
+void
+FGViewMgr::setARM_deg (double aspect_ratio_multiplier)
+{
+ FGViewer * view = get_current_view();
+ if (view != 0)
+ view->set_aspect_ratio_multiplier(aspect_ratio_multiplier);
+}
+
double
FGViewMgr::getNear_m () const
{
axis_lat = axis;
}
+// reference frame orientation.
+// This is the view orientation you get when you have no
+// view offset, i.e. the offset operator is the identity.
+//
+// For example, in the familiar "cockpit lookfrom" view,
+// the reference frame is equal to the aircraft attitude,
+// i.e. it is the view looking towards 12:00 straight ahead.
+//
+// FIXME: Somebody needs to figure out what is the reference
+// frame view for the other view modes.
+//
+// Conceptually, this quat represents a rotation relative
+// to the ECEF reference orientation, as described at
+// http://www.av8n.com/physics/coords.htm#sec-orientation
+//
+// See the NOTE concerning reference orientations, below.
+//
+// The components of this quat are expressed in
+// the conventional aviation basis set,
+// i.e. x=forward, y=starboard, z=bottom
+double FGViewMgr::getCurrentViewFrame_w() const{
+ return ((current_view_orientation*conj(fsb2sta())*conj(current_view_or_offset))).w();
+}
+double FGViewMgr::getCurrentViewFrame_x() const{
+ return ((current_view_orientation*conj(fsb2sta())*conj(current_view_or_offset))).x();
+}
+double FGViewMgr::getCurrentViewFrame_y() const{
+ return ((current_view_orientation*conj(fsb2sta())*conj(current_view_or_offset))).y();
+}
+double FGViewMgr::getCurrentViewFrame_z() const{
+ return ((current_view_orientation*conj(fsb2sta())*conj(current_view_or_offset))).z();
+}
+
+
+// view offset.
+// This rotation takes you from the aforementioned
+// reference frame view orientation to whatever
+// actual current view orientation is.
+//
+// The components of this quaternion are expressed in
+// the conventional aviation basis set,
+// i.e. x=forward, y=starboard, z=bottom
+double FGViewMgr::getCurrentViewOrOffset_w() const{
+ return current_view_or_offset.w();
+}
+double FGViewMgr::getCurrentViewOrOffset_x() const{
+ return current_view_or_offset.x();
+}
+double FGViewMgr::getCurrentViewOrOffset_y() const{
+ return current_view_or_offset.y();
+}
+double FGViewMgr::getCurrentViewOrOffset_z() const{
+ return current_view_or_offset.z();
+}
+
+
+// current view orientation.
+// This is a rotation relative to the earth-centered (ec)
+// reference frame.
+//
+// NOTE: Here we remove a factor of fsb2sta so that
+// the components of this quat are displayed using the
+// conventional ECEF basis set. This is *not* the way
+// the view orientation is stored in the views[] array,
+// but is easier for non-graphics hackers to understand.
+// If we did not remove this factor of fsb2sta here and
+// in getCurrentViewFrame, that would be equivalent to
+// the following peculiar reference orientation:
+// Suppose you are over the Gulf of Guinea, at (lat,lon) = (0,0).
+// Then the reference frame orientation can be achieved via:
+// -- The aircraft X-axis (nose) headed south.
+// -- The aircraft Y-axis (starboard wingtip) pointing up.
+// -- The aircraft Z-axis (belly) pointing west.
+// To say the same thing in other words, and perhaps more to the
+// point: If we use the OpenGL camera orientation conventions,
+// i.e. Xprime=starboard, Yprime=top, Zprime=aft, then the
+// aforementioned peculiar reference orientation at (lat,lon)
+// = (0,0) can be described as:
+// -- aircraft Xprime axis (starboard) pointed up
+// -- aircraft Yprime axis (top) pointed east
+// -- aircraft Zprime axis (aft) pointed north
+// meaning the OpenGL axes are aligned with the ECEF axes.
+double FGViewMgr::getCurrentViewOrientation_w() const{
+ return (current_view_orientation * conj(fsb2sta())).w();
+}
+double FGViewMgr::getCurrentViewOrientation_x() const{
+ return (current_view_orientation * conj(fsb2sta())).x();
+}
+double FGViewMgr::getCurrentViewOrientation_y() const{
+ return (current_view_orientation * conj(fsb2sta())).y();
+}
+double FGViewMgr::getCurrentViewOrientation_z() const{
+ return (current_view_orientation * conj(fsb2sta())).z();
+}
+
void
FGViewMgr::do_axes ()
{