75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
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// Copyright (C) 2013 James Turner
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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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#ifndef NASAL_MODEL_DATA_HXX
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#define NASAL_MODEL_DATA_HXX
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#include <simgear/nasal/nasal.h>
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#include <simgear/scene/model/modellib.hxx>
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using std::string;
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/** Nasal model data container.
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* load and unload methods must be run in main thread (not thread-safe). */
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class FGNasalModelData : public SGReferenced
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{
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public:
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/** Constructor to be run in an arbitrary thread. */
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FGNasalModelData(SGPropertyNode *root, const string& path, SGPropertyNode *prop,
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SGPropertyNode* load, SGPropertyNode* unload) :
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_path(path),
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_root(root), _prop(prop),
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_load(load), _unload(unload)
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{
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}
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/** Load hook. Always call from inside the main loop. */
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void load();
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/** Unload hook. Always call from inside the main loop. */
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void unload();
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private:
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static unsigned int _module_id;
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string _module, _path;
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SGPropertyNode_ptr _root, _prop;
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SGConstPropertyNode_ptr _load, _unload;
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};
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/** Thread-safe proxy for FGNasalModelData.
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* modelLoaded/destroy methods only register the requested
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* operation. Actual (un)loading of Nasal module is deferred
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* and done in the main loop. */
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class FGNasalModelDataProxy : public simgear::SGModelData
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{
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public:
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FGNasalModelDataProxy(SGPropertyNode *root = 0) :
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_root(root), _data(0)
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{
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}
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~FGNasalModelDataProxy();
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void modelLoaded(const string& path, SGPropertyNode *prop, osg::Node *);
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protected:
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SGPropertyNode_ptr _root;
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SGSharedPtr<FGNasalModelData> _data;
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};
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#endif // of NASAL_MODEL_DATA_HXX
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