100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
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// initialstate.cxx -- setup initial state of the aircraft
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//
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// Written by James Turner
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//
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// Copyright (C) 2016 James Turner <zakalawe@mac.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#include "config.h"
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#include "initialstate.hxx"
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#include <algorithm>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/props/props_io.hxx>
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#include <Main/fg_props.hxx>
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#include <GUI/MessageBox.hxx>
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using namespace simgear;
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namespace {
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class NodeValue
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{
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public:
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NodeValue(const std::string& s) : v(s) {}
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bool operator()(const SGPropertyNode_ptr n) const
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{
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return (v == n->getStringValue());
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}
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private:
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std::string v;
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};
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SGPropertyNode_ptr nodeForState(const std::string& nm)
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{
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SGPropertyNode_ptr sim = fgGetNode("/sim");
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const PropertyList& states = sim->getChildren("state");
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PropertyList::const_iterator it;
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for (it = states.begin(); it != states.end(); ++it) {
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const PropertyList& names = (*it)->getChildren("name");
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if (std::find_if(names.begin(), names.end(), NodeValue(nm)) != names.end()) {
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return *it;
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}
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}
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return SGPropertyNode_ptr();
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}
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} // of anonymous namespace
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namespace flightgear
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{
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bool isInitialStateName(const std::string& name)
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{
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SGPropertyNode_ptr n = nodeForState(name);
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return n.valid();
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}
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void applyInitialState()
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{
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std::string nm = fgGetString("/sim/aircraft-state");
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if (nm.empty()) {
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return;
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}
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SGPropertyNode_ptr stateNode = nodeForState(nm);
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if (!stateNode) {
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SG_LOG(SG_AIRCRAFT, SG_WARN, "missing state node for:" << nm);
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std::string aircraft = fgGetString("/sim/aircraft");
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modalMessageBox("Unknown aircraft state",
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"The selected aircraft (" + aircraft + ") does not have a stage '" + nm + "')");
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return;
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}
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SG_LOG(SG_AIRCRAFT, SG_INFO, "Applying aircraft state:" << nm);
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// copy all overlay properties to the tree
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copyProperties(stateNode->getChild("overlay"), globals->get_props());
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}
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} // of namespace flightgear
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