If you've ever lost a save due to a power outage, or even your cat knocking out your power cord, READ THIS!
1. go to %appdata%
2. goto .Minecraft/saves
3. takeout your corrupt save move to Desktop
4. create a new world in the minecraft game and delete all the contents in the new world you just made
5. move all the contents from the corrupt save to the world you just made
6. delete the level.dat
7. copy the level.dat from another world and place it into the new level.
8. go play, you should spawn in the air and fall down.
9. if you dont spawn near your house, use InvEdit or Toomanyitems to get a compass, and find your house
Toomanyitems: http://www.minecraftforum.net/topic/140684-19pre-toomanyitems-in-game-invedit-sep-22/
InvEdit: http://www.mediafire.com/?4p9dhj7ru1xoana
I take NO credits to these mods.
Marglyph created Toomanyitems
Soryy to who ever created InvEdit, i could not find the original creator