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flightgear/src/Scenery/scenery.cxx
curt dbf997a2d3 Put taxiway lights in their own scene graph so we can adjust their brightness
(or fog punch through) independently from the ground or runway lighting.
2002-11-01 21:56:48 +00:00

101 lines
2.4 KiB
C++

// scenery.cxx -- data structures and routines for managing scenery.
//
// 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.
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <GL/glut.h>
#include <GL/gl.h>
#include <stdio.h>
#include <string.h>
#include <simgear/debug/logstream.hxx>
#include <Main/fg_props.hxx>
#include "scenery.hxx"
// Scenery Management system
FGScenery::FGScenery() {
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing scenery subsystem" );
center = Point3D(0.0);
cur_elev = -9999;
}
// Initialize the Scenery Management system
FGScenery::~FGScenery() {
}
void FGScenery::init() {
// Scene graph root
scene_graph = new ssgRoot;
scene_graph->setName( "Scene" );
// Terrain branch
terrain_branch = new ssgBranch;
terrain_branch->setName( "Terrain" );
scene_graph->addKid( terrain_branch );
models_branch = new ssgBranch;
models_branch->setName( "Models" );
scene_graph->addKid( models_branch );
aircraft_branch = new ssgBranch;
aircraft_branch->setName( "Aircraft" );
scene_graph->addKid( aircraft_branch );
// Lighting
gnd_lights_root = new ssgRoot;
gnd_lights_root->setName( "Ground Lighting Root" );
rwy_lights_root = new ssgRoot;
rwy_lights_root->setName( "Runway Lighting Root" );
taxi_lights_root = new ssgRoot;
taxi_lights_root->setName( "Taxi Lighting Root" );
}
void FGScenery::update(double dt) {
}
void FGScenery::bind() {
fgTie("/environment/ground-elevation-m", this,
&FGScenery::get_cur_elev, &FGScenery::set_cur_elev);
}
void FGScenery::unbind() {
fgUntie("/environment/ground-elevation-m");
}