#include <simgear/misc/sg_path.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/nasal/nasal.h>
+#include <simgear/scene/model/model.hxx>
+
+#include <map>
+SG_USING_STD(map);
+
class FGNasalScript;
+class FGNasalListener;
class FGNasalSys : public SGSubsystem
{
virtual void init();
virtual void update(double dt) { /* noop */ }
+ // Loads a nasal script from an external file and inserts it as a
+ // global module of the specified name.
+ void loadModule(SGPath file, const char* moduleName);
+
// Simple hook to run arbitrary source code. Returns a bool to
// indicate successful execution. Does *not* return any Nasal
// values, because handling garbage-collected objects from C space
FGNasalScript* parseScript(const char* src, const char* name=0);
// Implementation of the settimer extension function
- void setTimer(naRef args);
+ void setTimer(int argc, naRef* args);
+
+ // Implementation of the setlistener extension function
+ naRef setListener(int argc, naRef* args);
+ naRef removeListener(int argc, naRef* args);
// Returns a ghost wrapper for the current _cmdArg
naRef cmdArgGhost();
-
+
// Callbacks for command and timer bindings
virtual bool handleCommand(const SGPropertyNode* arg);
+ void createModule(const char* moduleName, const char* fileName,
+ const char* src, int len, const SGPropertyNode* arg=0);
+
+ void deleteModule(const char* moduleName);
+
private:
friend class FGNasalScript;
+ friend class FGNasalListener;
//
// FGTimer subclass for handling Nasal timer callbacks.
FGNasalSys* nasal;
};
+ // Listener
+ map<int, FGNasalListener *> _listener;
+ static int _listenerId;
+
void loadPropertyScripts();
- void initModule(const char* moduleName, const char* fileName,
- const char* src, int len);
- void readScriptFile(SGPath file, const char* lib);
void hashset(naRef hash, const char* key, naRef val);
- void logError();
- naRef parse(const char* filename, const char* buf, int len=0);
+ void logError(naContext);
+ naRef parse(const char* filename, const char* buf, int len);
naRef genPropsModule();
naRef propNodeGhost(SGPropertyNode* handle);
public: void handleTimer(NasalTimer* t);
};
+
class FGNasalScript {
public:
~FGNasalScript() { _nas->gcRelease(_gcKey); }
bool call() {
- naCall(_nas->_context, _code, naNil(), naNil(), naNil());
+ naRef n = naNil();
+ naCall(_nas->_context, _code, 0, &n, naNil(), naNil());
return naGetError(_nas->_context) == 0;
}
FGNasalSys* _nas;
};
+
+class FGNasalListener : public SGPropertyChangeListener {
+public:
+ FGNasalListener(SGPropertyNode_ptr node, naRef handler,
+ FGNasalSys* nasal, int key);
+
+ ~FGNasalListener();
+ void valueChanged(SGPropertyNode* node);
+
+private:
+ friend class FGNasalSys;
+ SGPropertyNode_ptr _node;
+ naRef _handler;
+ int _gcKey;
+ FGNasalSys* _nas;
+ unsigned int _active;
+};
+
+
+class FGNasalModelData : public SGModelData {
+public:
+ FGNasalModelData() : _unload(0) {}
+ ~FGNasalModelData();
+ void modelLoaded(const string& path, SGPropertyNode *prop, ssgBranch *);
+
+private:
+ string _module;
+ SGConstPropertyNode_ptr _unload;
+};
+
#endif // __NASALSYS_HXX