2119db35c3
scene management code and organizing it within simgear. My strategy is to identify the code I want to move, and break it's direct flightgear dependencies. Then it will be free to move over into the simgear package. - Moved some property specific code into simgear/props/ - Split out the condition code from fgfs/src/Main/fg_props and put it in it's own source file in simgear/props/ - Created a scene subdirectory for scenery, model, and material property related code. - Moved location.[ch]xx into simgear/scene/model/ - The location and condition code had dependencies on flightgear's global state (all the globals-> stuff, the flightgear property tree, etc.) SimGear code can't depend on it so that data has to be passed as parameters to the functions/methods/constructors. - This need to pass data as function parameters had a dramatic cascading effect throughout the FlightGear code.
860 lines
18 KiB
C++
860 lines
18 KiB
C++
// fg_props.cxx -- support for FlightGear properties.
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//
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// Written by David Megginson, started 2000.
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//
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// Copyright (C) 2000, 2001 David Megginson - david@megginson.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <simgear/compiler.h>
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#endif
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#include <simgear/misc/exception.hxx>
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#include <simgear/magvar/magvar.hxx>
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#include <simgear/timing/sg_time.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include STL_IOSTREAM
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#include <ATC/ATCdisplay.hxx>
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#include <Aircraft/aircraft.hxx>
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#include <Time/tmp.hxx>
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#include <FDM/UIUCModel/uiuc_aircraftdir.h>
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#ifdef FG_WEATHERCM
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# include <WeatherCM/FGLocalWeatherDatabase.h>
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#else
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# include <Environment/environment.hxx>
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#endif // FG_WEATHERCM
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#include <Objects/matlib.hxx>
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#include <GUI/gui.h>
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#include <Sound/soundmgr.hxx>
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#include "globals.hxx"
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#include "fgfs.hxx"
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#include "fg_props.hxx"
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SG_USING_STD(istream);
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SG_USING_STD(ostream);
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#ifdef FG_WEATHERCM
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static double getWindNorth ();
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static double getWindEast ();
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static double getWindDown ();
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#endif // FG_WEATHERCM
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static bool winding_ccw = true; // FIXME: temporary
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static bool fdm_data_logging = false; // FIXME: temporary
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static bool frozen = false; // FIXME: temporary
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////////////////////////////////////////////////////////////////////////
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// Default property bindings (not yet handled by any module).
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////////////////////////////////////////////////////////////////////////
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struct LogClassMapping {
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sgDebugClass c;
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string name;
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LogClassMapping(sgDebugClass cc, string nname) { c = cc; name = nname; }
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};
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LogClassMapping log_class_mappings [] = {
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LogClassMapping(SG_NONE, "none"),
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LogClassMapping(SG_TERRAIN, "terrain"),
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LogClassMapping(SG_ASTRO, "astro"),
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LogClassMapping(SG_FLIGHT, "flight"),
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LogClassMapping(SG_INPUT, "input"),
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LogClassMapping(SG_GL, "gl"),
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LogClassMapping(SG_VIEW, "view"),
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LogClassMapping(SG_COCKPIT, "cockpit"),
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LogClassMapping(SG_GENERAL, "general"),
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LogClassMapping(SG_MATH, "math"),
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LogClassMapping(SG_EVENT, "event"),
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LogClassMapping(SG_AIRCRAFT, "aircraft"),
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LogClassMapping(SG_AUTOPILOT, "autopilot"),
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LogClassMapping(SG_IO, "io"),
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LogClassMapping(SG_CLIPPER, "clipper"),
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LogClassMapping(SG_NETWORK, "network"),
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LogClassMapping(SG_UNDEFD, "")
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};
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/**
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* Get the logging classes.
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*/
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static const char *
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getLoggingClasses ()
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{
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sgDebugClass classes = logbuf::get_log_classes();
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static string result = ""; // FIXME
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for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
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if ((classes&log_class_mappings[i].c) > 0) {
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if (!result.empty())
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result += '|';
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result += log_class_mappings[i].name;
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}
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}
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return result.c_str();
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}
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static void
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addLoggingClass (const string &name)
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{
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sgDebugClass classes = logbuf::get_log_classes();
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for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
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if (name == log_class_mappings[i].name) {
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logbuf::set_log_classes(sgDebugClass(classes|log_class_mappings[i].c));
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return;
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}
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}
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SG_LOG(SG_GENERAL, SG_ALERT, "Unknown logging class: " << name);
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}
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/**
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* Set the logging classes.
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*/
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static void
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setLoggingClasses (const char * c)
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{
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string classes = c;
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logbuf::set_log_classes(SG_NONE);
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if (classes == "none") {
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SG_LOG(SG_GENERAL, SG_INFO, "Disabled all logging classes");
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return;
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}
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if (classes.empty() || classes == "all") { // default
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logbuf::set_log_classes(SG_ALL);
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SG_LOG(SG_GENERAL, SG_INFO, "Enabled all logging classes: "
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<< getLoggingClasses());
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return;
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}
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string rest = classes;
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string name = "";
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int sep = rest.find('|');
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while (sep > 0) {
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name = rest.substr(0, sep);
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rest = rest.substr(sep+1);
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addLoggingClass(name);
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sep = rest.find('|');
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}
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addLoggingClass(rest);
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SG_LOG(SG_GENERAL, SG_INFO, "Set logging classes to "
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<< getLoggingClasses());
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}
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/**
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* Get the logging priority.
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*/
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static const char *
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getLoggingPriority ()
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{
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switch (logbuf::get_log_priority()) {
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case SG_BULK:
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return "bulk";
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case SG_DEBUG:
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return "debug";
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case SG_INFO:
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return "info";
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case SG_WARN:
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return "warn";
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case SG_ALERT:
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return "alert";
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default:
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SG_LOG(SG_GENERAL, SG_WARN, "Internal: Unknown logging priority number: "
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<< logbuf::get_log_priority());
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return "unknown";
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}
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}
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/**
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* Set the logging priority.
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*/
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static void
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setLoggingPriority (const char * p)
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{
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string priority = p;
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if (priority == "bulk") {
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logbuf::set_log_priority(SG_BULK);
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} else if (priority == "debug") {
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logbuf::set_log_priority(SG_DEBUG);
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} else if (priority.empty() || priority == "info") { // default
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logbuf::set_log_priority(SG_INFO);
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} else if (priority == "warn") {
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logbuf::set_log_priority(SG_WARN);
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} else if (priority == "alert") {
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logbuf::set_log_priority(SG_ALERT);
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} else {
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SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
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}
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SG_LOG(SG_GENERAL, SG_INFO, "Logging priority is " << getLoggingPriority());
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}
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/**
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* Return the current frozen state.
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*/
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static bool
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getFreeze ()
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{
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return frozen;
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}
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/**
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* Set the current frozen state.
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*/
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static void
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setFreeze (bool f)
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{
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frozen = f;
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// Stop sound on a pause
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FGSoundMgr *s = globals->get_soundmgr();
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if ( s != NULL ) {
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if ( f ) {
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s->pause();
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} else {
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s->resume();
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}
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}
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}
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/**
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* Return the current aircraft directory (UIUC) as a string.
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*/
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static const char *
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getAircraftDir ()
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{
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return aircraft_dir.c_str();
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}
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/**
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* Set the current aircraft directory (UIUC).
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*/
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static void
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setAircraftDir (const char * dir)
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{
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aircraft_dir = dir;
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}
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/**
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* Return the number of milliseconds elapsed since simulation started.
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*/
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static double
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getElapsedTime_sec ()
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{
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return globals->get_sim_time_sec();
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}
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/**
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* Return the current Zulu time.
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*/
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static const char *
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getDateString ()
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{
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static char buf[64]; // FIXME
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struct tm * t = globals->get_time_params()->getGmt();
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sprintf(buf, "%.4d-%.2d-%.2dT%.2d:%.2d:%.2d",
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t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
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t->tm_hour, t->tm_min, t->tm_sec);
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return buf;
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}
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/**
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* Set the current Zulu time.
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*/
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static void
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setDateString (const char * date_string)
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{
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static const SGPropertyNode *cur_time_override
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= fgGetNode("/sim/time/cur-time-override", true);
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SGTime * st = globals->get_time_params();
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struct tm * current_time = st->getGmt();
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struct tm new_time;
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// Scan for basic ISO format
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// YYYY-MM-DDTHH:MM:SS
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int ret = sscanf(date_string, "%d-%d-%dT%d:%d:%d",
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&(new_time.tm_year), &(new_time.tm_mon),
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&(new_time.tm_mday), &(new_time.tm_hour),
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&(new_time.tm_min), &(new_time.tm_sec));
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// Be pretty picky about this, so
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// that strange things don't happen
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// if the save file has been edited
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// by hand.
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if (ret != 6) {
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SG_LOG(SG_INPUT, SG_ALERT, "Date/time string " << date_string
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<< " not in YYYY-MM-DDTHH:MM:SS format; skipped");
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return;
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}
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// OK, it looks like we got six
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// values, one way or another.
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new_time.tm_year -= 1900;
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new_time.tm_mon -= 1;
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// Now, tell flight gear to use
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// the new time. This was far
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// too difficult, by the way.
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long int warp =
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mktime(&new_time) - mktime(current_time) + globals->get_warp();
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double lon = current_aircraft.fdm_state->get_Longitude();
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double lat = current_aircraft.fdm_state->get_Latitude();
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globals->set_warp(warp);
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st->update(lon, lat, cur_time_override->getLongValue(), warp);
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fgUpdateSkyAndLightingParams();
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}
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/**
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* Return the GMT as a string.
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*/
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static const char *
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getGMTString ()
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{
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static char buf[16]; // FIXME
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struct tm *t = globals->get_time_params()->getGmt();
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sprintf(buf, " %.2d:%.2d:%.2d",
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t->tm_hour, t->tm_min, t->tm_sec);
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// cout << t << " " << buf << endl;
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return buf;
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}
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/**
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* Get the texture rendering state.
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*/
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static bool
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getTextures ()
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{
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return (material_lib.get_step() == 0);
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}
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/**
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* Set the texture rendering state.
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*/
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static void
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setTextures (bool textures)
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{
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if (textures)
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material_lib.set_step(0);
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else
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material_lib.set_step(1);
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}
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/**
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* Return the magnetic variation
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*/
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static double
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getMagVar ()
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{
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return globals->get_mag()->get_magvar() * SGD_RADIANS_TO_DEGREES;
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}
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/**
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* Return the magnetic dip
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*/
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static double
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getMagDip ()
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{
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return globals->get_mag()->get_magdip() * SGD_RADIANS_TO_DEGREES;
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}
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/**
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* Return the current heading in degrees.
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*/
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static double
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getHeadingMag ()
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{
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return current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
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}
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#ifdef FG_WEATHERCM
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/**
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* Get the current visibility (meters).
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*/
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static double
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getVisibility ()
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{
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return WeatherDatabase->getWeatherVisibility();
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}
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/**
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* Set the current visibility (meters).
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*/
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static void
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setVisibility (double visibility)
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{
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WeatherDatabase->setWeatherVisibility(visibility);
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}
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/**
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* Get the current wind north velocity (feet/second).
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*/
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static double
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getWindNorth ()
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{
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return current_aircraft.fdm_state->get_V_north_airmass();
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}
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/**
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* Set the current wind north velocity (feet/second).
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*/
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static void
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setWindNorth (double speed)
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{
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current_aircraft.fdm_state
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->set_Velocities_Local_Airmass(speed, getWindEast(), getWindDown());
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}
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/**
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* Get the current wind east velocity (feet/second).
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*/
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static double
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getWindEast ()
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{
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return current_aircraft.fdm_state->get_V_east_airmass();
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}
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/**
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* Set the current wind east velocity (feet/second).
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*/
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static void
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setWindEast (double speed)
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{
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SG_LOG(SG_GENERAL, SG_INFO,, "Set wind-east to " << speed );
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current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
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speed,
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getWindDown());
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}
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/**
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* Get the current wind down velocity (feet/second).
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*/
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static double
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getWindDown ()
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{
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return current_aircraft.fdm_state->get_V_down_airmass();
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}
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/**
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* Set the current wind down velocity (feet/second).
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*/
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static void
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setWindDown (double speed)
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{
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current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
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getWindEast(),
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speed);
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}
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#endif // FG_WEATHERCM
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static long
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getWarp ()
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{
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return globals->get_warp();
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}
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static void
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setWarp (long warp)
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{
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globals->set_warp(warp);
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}
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static long
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getWarpDelta ()
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{
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return globals->get_warp_delta();
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}
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static void
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setWarpDelta (long delta)
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{
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globals->set_warp_delta(delta);
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}
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static bool
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getWindingCCW ()
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{
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return winding_ccw;
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}
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static void
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setWindingCCW (bool state)
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{
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winding_ccw = state;
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if ( winding_ccw )
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glFrontFace ( GL_CCW );
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else
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glFrontFace ( GL_CW );
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}
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static bool
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getFullScreen ()
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{
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#if defined(FX) && !defined(WIN32)
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return globals->get_fullscreen();
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#else
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return false;
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#endif
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}
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static void
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setFullScreen (bool state)
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{
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#if defined(FX) && !defined(WIN32)
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globals->set_fullscreen(state);
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# if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
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XMesaSetFXmode( state ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
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# endif
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#endif
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}
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static bool
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getFDMDataLogging ()
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{
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return fdm_data_logging;
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}
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static void
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setFDMDataLogging (bool state)
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{
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// kludge; no getter or setter available
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if (state != fdm_data_logging) {
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fgToggleFDMdataLogging();
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fdm_data_logging = state;
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Tie the properties.
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////////////////////////////////////////////////////////////////////////
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void
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fgInitProps ()
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{
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SG_LOG(SG_GENERAL, SG_DEBUG, "start of fgInitProps()" );
|
||
// Simulation
|
||
fgTie("/sim/logging/priority", getLoggingPriority, setLoggingPriority);
|
||
fgTie("/sim/logging/classes", getLoggingClasses, setLoggingClasses);
|
||
fgTie("/sim/freeze/master", getFreeze, setFreeze);
|
||
fgTie("/sim/aircraft-dir", getAircraftDir, setAircraftDir);
|
||
|
||
fgTie("/sim/time/elapsed-sec", getElapsedTime_sec);
|
||
fgTie("/sim/time/gmt", getDateString, setDateString);
|
||
fgSetArchivable("/sim/time/gmt");
|
||
fgTie("/sim/time/gmt-string", getGMTString);
|
||
fgTie("/sim/rendering/textures", getTextures, setTextures);
|
||
|
||
// Orientation
|
||
fgTie("/orientation/heading-magnetic-deg", getHeadingMag);
|
||
|
||
// Environment
|
||
#ifdef FG_WEATHERCM
|
||
fgTie("/environment/visibility-m", getVisibility, setVisibility);
|
||
fgSetArchivable("/environment/visibility-m");
|
||
fgTie("/environment/wind-from-north-fps", getWindNorth, setWindNorth);
|
||
fgSetArchivable("/environment/wind-from-north-fps");
|
||
fgTie("/environment/wind-from-east-fps", getWindEast, setWindEast);
|
||
fgSetArchivable("/environment/wind-from-east-fps");
|
||
fgTie("/environment/wind-from-down-fps", getWindDown, setWindDown);
|
||
fgSetArchivable("/environment/wind-from-down-fps");
|
||
#endif
|
||
|
||
fgTie("/environment/magnetic-variation-deg", getMagVar);
|
||
fgTie("/environment/magnetic-dip-deg", getMagDip);
|
||
|
||
fgTie("/sim/time/warp", getWarp, setWarp, false);
|
||
fgTie("/sim/time/warp-delta", getWarpDelta, setWarpDelta);
|
||
|
||
// Misc. Temporary junk.
|
||
fgTie("/sim/temp/winding-ccw", getWindingCCW, setWindingCCW, false);
|
||
fgTie("/sim/temp/full-screen", getFullScreen, setFullScreen);
|
||
fgTie("/sim/temp/fdm-data-logging", getFDMDataLogging, setFDMDataLogging);
|
||
|
||
SG_LOG(SG_GENERAL, SG_DEBUG, "end of fgInitProps()" );
|
||
}
|
||
|
||
|
||
void
|
||
fgUpdateProps ()
|
||
{
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Save and restore.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
/**
|
||
* Save the current state of the simulator to a stream.
|
||
*/
|
||
bool
|
||
fgSaveFlight (ostream &output, bool write_all)
|
||
{
|
||
|
||
fgSetBool("/sim/presets/onground", false);
|
||
fgSetArchivable("/sim/presets/onground");
|
||
fgSetBool("/sim/presets/trim", false);
|
||
fgSetArchivable("/sim/presets/trim");
|
||
fgSetString("/sim/presets/speed-set", "UVW");
|
||
fgSetArchivable("/sim/presets/speed-set");
|
||
|
||
try {
|
||
writeProperties(output, globals->get_props(), write_all);
|
||
} catch (const sg_exception &e) {
|
||
guiErrorMessage("Error saving flight: ", e);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
/**
|
||
* Restore the current state of the simulator from a stream.
|
||
*/
|
||
bool
|
||
fgLoadFlight (istream &input)
|
||
{
|
||
SGPropertyNode props;
|
||
try {
|
||
readProperties(input, &props);
|
||
} catch (const sg_exception &e) {
|
||
guiErrorMessage("Error reading saved flight: ", e);
|
||
return false;
|
||
}
|
||
|
||
fgSetBool("/sim/presets/onground", false);
|
||
fgSetBool("/sim/presets/trim", false);
|
||
fgSetString("/sim/presets/speed-set", "UVW");
|
||
|
||
copyProperties(&props, globals->get_props());
|
||
// When loading a flight, make it the
|
||
// new initial state.
|
||
globals->saveInitialState();
|
||
return true;
|
||
}
|
||
|
||
|
||
bool
|
||
fgLoadProps (const char * path, SGPropertyNode * props, bool in_fg_root)
|
||
{
|
||
string fullpath;
|
||
if (in_fg_root) {
|
||
SGPath loadpath(globals->get_fg_root());
|
||
loadpath.append(path);
|
||
fullpath = loadpath.str();
|
||
} else {
|
||
fullpath = path;
|
||
}
|
||
|
||
try {
|
||
readProperties(fullpath, props);
|
||
} catch (const sg_exception &e) {
|
||
guiErrorMessage("Error reading properties: ", e);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Property convenience functions.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
SGPropertyNode *
|
||
fgGetNode (const char * path, bool create)
|
||
{
|
||
return globals->get_props()->getNode(path, create);
|
||
}
|
||
|
||
SGPropertyNode *
|
||
fgGetNode (const char * path, int index, bool create)
|
||
{
|
||
return globals->get_props()->getNode(path, index, create);
|
||
}
|
||
|
||
bool
|
||
fgHasNode (const char * path)
|
||
{
|
||
return (fgGetNode(path, false) != 0);
|
||
}
|
||
|
||
void
|
||
fgAddChangeListener (SGPropertyChangeListener * listener, const char * path)
|
||
{
|
||
fgGetNode(path, true)->addChangeListener(listener);
|
||
}
|
||
|
||
void
|
||
fgAddChangeListener (SGPropertyChangeListener * listener,
|
||
const char * path, int index)
|
||
{
|
||
fgGetNode(path, index, true)->addChangeListener(listener);
|
||
}
|
||
|
||
bool
|
||
fgGetBool (const char * name, bool defaultValue)
|
||
{
|
||
return globals->get_props()->getBoolValue(name, defaultValue);
|
||
}
|
||
|
||
int
|
||
fgGetInt (const char * name, int defaultValue)
|
||
{
|
||
return globals->get_props()->getIntValue(name, defaultValue);
|
||
}
|
||
|
||
int
|
||
fgGetLong (const char * name, long defaultValue)
|
||
{
|
||
return globals->get_props()->getLongValue(name, defaultValue);
|
||
}
|
||
|
||
float
|
||
fgGetFloat (const char * name, float defaultValue)
|
||
{
|
||
return globals->get_props()->getFloatValue(name, defaultValue);
|
||
}
|
||
|
||
double
|
||
fgGetDouble (const char * name, double defaultValue)
|
||
{
|
||
return globals->get_props()->getDoubleValue(name, defaultValue);
|
||
}
|
||
|
||
const char *
|
||
fgGetString (const char * name, const char * defaultValue)
|
||
{
|
||
return globals->get_props()->getStringValue(name, defaultValue);
|
||
}
|
||
|
||
bool
|
||
fgSetBool (const char * name, bool val)
|
||
{
|
||
return globals->get_props()->setBoolValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetInt (const char * name, int val)
|
||
{
|
||
return globals->get_props()->setIntValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetLong (const char * name, long val)
|
||
{
|
||
return globals->get_props()->setLongValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetFloat (const char * name, float val)
|
||
{
|
||
return globals->get_props()->setFloatValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetDouble (const char * name, double val)
|
||
{
|
||
return globals->get_props()->setDoubleValue(name, val);
|
||
}
|
||
|
||
bool
|
||
fgSetString (const char * name, const char * val)
|
||
{
|
||
return globals->get_props()->setStringValue(name, val);
|
||
}
|
||
|
||
void
|
||
fgSetArchivable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_ALERT,
|
||
"Attempt to set archive flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::ARCHIVE, state);
|
||
}
|
||
|
||
void
|
||
fgSetReadable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_ALERT,
|
||
"Attempt to set read flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::READ, state);
|
||
}
|
||
|
||
void
|
||
fgSetWritable (const char * name, bool state)
|
||
{
|
||
SGPropertyNode * node = globals->get_props()->getNode(name);
|
||
if (node == 0)
|
||
SG_LOG(SG_GENERAL, SG_ALERT,
|
||
"Attempt to set write flag for non-existant property "
|
||
<< name);
|
||
else
|
||
node->setAttribute(SGPropertyNode::WRITE, state);
|
||
}
|
||
|
||
void
|
||
fgUntie (const char * name)
|
||
{
|
||
if (!globals->get_props()->untie(name))
|
||
SG_LOG(SG_GENERAL, SG_WARN, "Failed to untie property " << name);
|
||
}
|
||
|
||
|
||
// end of fg_props.cxx
|