Moved bindings from inside 'library' folder to root folder.

bindings/Raycast.i

@@ -0,0 +1,61 @@
+%module Raycast
+%{
+#include "Raycast.h"
+
+#ifdef SWIGPYTHON
+
+template<typename VolumeType>
+class PyCallback
+{
+private:
+	PyObject *func;
+	PyCallback& operator=(const PyCallback&); // Not allowed
+public:
+	PyCallback(const PyCallback& o) : func(o.func)
+	{
+		Py_XINCREF(func);
+	}
+	PyCallback(PyObject *func) : func(func)
+	{
+		Py_XINCREF(this->func);
+		assert(PyCallable_Check(this->func));
+	}
+	~PyCallback()
+	{
+		Py_XDECREF(func);
+	}
+	bool operator()(const typename VolumeType::Sampler& sampler)
+	{
+		if (!func || Py_None == func || !PyCallable_Check(func))
+		{
+			return false; //Make this raise a Python exception
+		}
+		PyObject *args = Py_BuildValue("(l)", sampler.getVoxel()); //TODO pass the sampler object itself in
+		PyObject *result = PyObject_Call(func,args,0);
+		Py_DECREF(args);
+		Py_XDECREF(result);
+		return (PyInt_AsLong(result) == 0) ? false : true;
+	}
+};
+
+template<typename VolumeType, typename Callback>
+PolyVox::RaycastResult raycastWithEndpointsPython(VolumeType* volData, const PolyVox::Vector3DFloat& v3dStart, const PolyVox::Vector3DFloat& v3dEnd, PyObject *callback)
+{
+	PyCallback<VolumeType> newCallback(callback);
+	return PolyVox::raycastWithEndpoints(volData, v3dStart, v3dEnd, newCallback);
+}
+
+#endif
+
+%}
+
+%include "Raycast.h"
+
+#ifdef SWIGPYTHON
+
+template<typename VolumeType, typename Callback>
+PolyVox::RaycastResult raycastWithEndpointsPython(VolumeType* volData, const PolyVox::Vector3DFloat& v3dStart, const PolyVox::Vector3DFloat& v3dEnd, PyObject *callback);
+
+%template(raycastWithEndpointsSimpleVolumeuint8) raycastWithEndpointsPython<PolyVox::SimpleVolume<uint8_t>, PyCallback<PolyVox::SimpleVolume<uint8_t> > >;
+
+#endif