runtest_ee2_lodnode.py

"""Automated NiLODNode test for the blender nif scripts."""

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import Blender
from nif_test import TestSuite
from pyffi.formats.nif import NifFormat

# some tests to import and export nif files

class LODTestSuite(TestSuite):

    def run(self):
        self.test_lod()

    def test_lod(self):
        """LOD test."""
        def check_lodnode(root):
            lodnode = root.children[0]
            assert(isinstance(lodnode, NifFormat.NiLODNode))
            assert(lodnode.num_children == 2)
            assert(isinstance(lodnode.children[0], NifFormat.NiTriBasedGeom))
            assert(isinstance(lodnode.children[1], NifFormat.NiTriBasedGeom))
            assert(lodnode.children[0].data.num_vertices == 26)
            assert(lodnode.children[1].data.num_vertices == 8)
            range_data = lodnode.lod_level_data
            assert(range_data.num_lod_levels == lodnode.num_children)
            assert(range_data.lod_levels[0].near_extent == 0)
            assert(range_data.lod_levels[0].far_extent == 400)
            assert(range_data.lod_levels[1].near_extent == 400)
            assert(range_data.lod_levels[1].far_extent == 100000)
        # import
        nif_import = self.test(
            filename='test/nif/ee2/lodtest.nif',
            config=dict(
                IMPORT_SCALE_CORRECTION=1))
        # check that we have two lod children
        b_lod = Blender.Object.Get("Cube")
        assert(Blender.Object.Get("Cube_LOD0").getParent() == b_lod)
        assert(Blender.Object.Get("Cube_LOD1").getParent() == b_lod)
        # test stuff
        check_lodnode(nif_import.root_blocks[0])
        # export
        nif_export = self.test(
            filename='test/nif/ee2/_lodtest.nif',
            config=dict(EXPORT_VERSION = 'Empire Earth II'),
            selection = ['Cube'])
        # test stuff
        check_lodnode(nif_export.root_blocks[0])

suite = LODTestSuite("lod")
suite.run()