Add tools for generating height maps and for doing all map precalculations.
Add a more complicated test object.
Use non-test names for textures.
Remove sleep.
Add missing vertical flip of collision map.
Style fix.
Add more complex objects for testing.
Push positions along the normal to deal with lightmap resolution/fake shadows issues.
Add support for axis reordering and faces with >3 vertices.
Add generated height map and collision map for the test map.
Add generated files for castle2.