Java Edition 13w38a

13w38a is the fifth snapshot released for 1.7.2.

Additions

 * Added .dat files in data folder for storing structure data
 * Contains .dat called Village.dat, Fortress.dat (Nether Fortress), Temple.dat (Desert Temple, Jungle Temple and Witch Hut), Stronghold.dat, Mineshaft.dat, and others
 * NBT structure consists of the individual parts of each structure, labeled "children," the chunk it originates in, a tag called BB, and an ID for what type of structure it is
 * The children tags have information on each part of the structure and the type of part it is
 * Added /setidletimeout  to automatically kick idle players after some time
 * Multiplayer-only command, can be used only by server operators
 * The sky near the horizon now darkens when the player has blocks between them and the sky
 * The greater the distance between the player and an area open to the sky, the darker the sky appears
 * Added achievement for throwing diamonds at another player

Changes

 * Improved the video settings
 * Render Distance is now a slider ranging from 2 to 16 chunks
 * The sky is now visible on Short (4 chunks) render distance
 * Max Framerate is now a slider ranging from 10 to 250 fps, then unlimited
 * Added mipmapping, anisotropic filtering and FSAA (as a shader)
 * Mipmap levels can be set to Off and 1 through 4
 * Anisotropic filtering can be disabled or set to 2, 4, 8 or 16
 * Post-Processing (shaders) can be toggled
 * They now display on the whole block
 * Improved the super secret settings
 * The button now applies different experimental shaders - the actual effects will be used for gameplay in the future
 * List of available shaders: antialias, deconverge, outline, art, desaturate, pencil, bits, flip, phosphor, blobs, fxaa, scan_pincushion, blobs2, green, sobel, blur, invert, wobble, color_convolve, ntsc
 * Improved maps hung in item frames
 * Improved achievements
 * When a player earns an achievement, it is now announced in chat; This can be turned off
 * Reduced zombie lag

Fixes
7 bugs fixed
 * – The horse armor equip sound does not play when replacing it with already equipped armour
 * – When you set your render distance to far it stays on normal
 * – enderman stare sound still plays when the enemy mobs sound slider is at 0%
 * – Enchanted books with no metadata
 * – A player selector with only one matching player outputs as " and USERNAME .."
 * – Villages not generating? (snapshot 13w37b)
 * – Major bug - Arrows shot by Infinity bow/skeleton do not despawn over time