forked from bartvdbraak/blender
recent matrix row/col swap broke matrix assignment in the BGE, fix provided by Andrew Hale
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@ -65,32 +65,59 @@ bool PyMatTo(PyObject* pymat, T& mat)
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{
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bool noerror = true;
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mat.setIdentity();
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#ifdef USE_MATHUTILS
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if (MatrixObject_Check(pymat))
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{
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MatrixObject *pymatrix = (MatrixObject *)pymat;
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if (BaseMath_ReadCallback(pymatrix) == -1)
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return false;
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if (pymatrix->num_col != Size(mat) || pymatrix->num_row != Size(mat))
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return false;
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for (unsigned int row = 0; row < Size(mat); row++)
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{
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for (unsigned int col = 0; col < Size(mat); col++)
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{
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mat[row][col] = *(pymatrix->matrix + col * pymatrix->num_row + row);
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}
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}
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}
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else
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#endif /* USE_MATHUTILS */
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if (PySequence_Check(pymat))
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{
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unsigned int cols = PySequence_Size(pymat);
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if (cols != Size(mat))
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unsigned int rows = PySequence_Size(pymat);
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if (rows != Size(mat))
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return false;
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for (unsigned int x = 0; noerror && x < cols; x++)
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for (unsigned int row = 0; noerror && row < rows; row++)
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{
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PyObject *pycol = PySequence_GetItem(pymat, x); /* new ref */
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if (!PyErr_Occurred() && PySequence_Check(pycol))
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PyObject *pyrow = PySequence_GetItem(pymat, row); /* new ref */
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if (!PyErr_Occurred() && PySequence_Check(pyrow))
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{
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unsigned int rows = PySequence_Size(pycol);
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if (rows != Size(mat))
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unsigned int cols = PySequence_Size(pyrow);
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if (cols != Size(mat))
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noerror = false;
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else
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{
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for( unsigned int y = 0; y < rows; y++)
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for( unsigned int col = 0; col < cols; col++)
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{
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PyObject *item = PySequence_GetItem(pycol, y); /* new ref */
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mat[y][x] = PyFloat_AsDouble(item);
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PyObject *item = PySequence_GetItem(pyrow, col); /* new ref */
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mat[row][col] = PyFloat_AsDouble(item);
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Py_DECREF(item);
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}
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}
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} else
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noerror = false;
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Py_DECREF(pycol);
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Py_DECREF(pyrow);
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}
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} else
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noerror = false;
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