MinecraftForge/MinecraftForge — pull request #192 by Eurymachus (2012-09-30 14:24:45+00:00)
Title: Modified BlockPistonBase to check correct maximum world height

- tryExtend and canExtend methods modified
- changed the y >= 255 to y >= world.getHeight()

Note: this will allow Pistons to work in the LittleBlocksMod without the base edit.