UH:Conversion pattern for old tile sets to new tile system dir tree
===================================================================

land/grass-beach/	to	moderate/ts_grass-beach/
land/beach-shallow/	to	moderate/ts_beach-shallow/
water/shallow-deep/	to	moderate/ts_shallow-deep/


old		new
---		---

_05.png		straight/45/0.png
_06.png		straight/135/0.png
_07.png		straight/225/0.png
_08.png		straight/315/0.png

_13.png		curve_in/45/0.png
_14.png		curve_in/315/0.png
_15.png		curve_in/225/0.png
_16.png		curve_in/315/0.png

_21.png		curve_out/225/0.png
_22.png		curve_out/135/0.png
_23.png		curve_out/45/0.png
_24.png		curve_out/315/0.png


simplified
----------

05	-->	straight  45
06	-->	straight 135
07	-->	straight 225
08	-->	straight 315	

13	-->	curve_in  45
14	-->	curve_in 315
15	-->	curve_in 225
16	-->	curve_in 135

21	-->	curve_out 225
22	-->	curve_out 135
23	-->	curve_out  45
24	-->	curve_out 315

Good luck!
