1 // NasalCondition -- expose SGCondition to Nasal
3 // Written by James Turner, started 2012.
5 // Copyright (C) 2012 James Turner
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 #include "NasalCondition.hxx"
26 #include "NasalSys.hxx"
27 #include <Main/globals.hxx>
29 #include <simgear/nasal/cppbind/Ghost.hxx>
30 #include <simgear/nasal/cppbind/NasalHash.hxx>
31 #include <simgear/props/condition.hxx>
33 typedef nasal::Ghost<SGConditionRef> NasalCondition;
35 //------------------------------------------------------------------------------
36 static naRef f_createCondition(naContext c, naRef me, int argc, naRef* args)
38 SGPropertyNode* node = argc > 0
39 ? ghostToPropNode(args[0])
41 SGPropertyNode* root = argc > 1
42 ? ghostToPropNode(args[1])
43 : globals->get_props();
46 naRuntimeError(c, "createCondition: invalid argument(s)");
50 return nasal::to_nasal(c, sgReadCondition(root, node));
52 catch(std::exception& ex)
54 naRuntimeError(c, "createCondition: %s", ex.what());
60 //------------------------------------------------------------------------------
61 naRef initNasalCondition(naRef globals, naContext c)
63 nasal::Ghost<SGConditionRef>::init("Condition")
64 .method("test", &SGCondition::test);
66 nasal::Hash(globals, c).set("_createCondition", f_createCondition);