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13w02a is the third snapshot released for Java Edition 1.5.[1]

An experimental version of 13w02a was released by Dinnerbone on Mojira to try to fix an issue with white textures.[2]

Additions[]

Blocks[]

Activator rails
  • Used to trigger minecarts with TNT.
  • Needs to be powered by redstone.
  • Transmits power up to 8 activator rails far.
  • Crafted the same way as normal rails except without a stick in the middle.
Block of Quartz
  • New building block.
  • Made by using 4 pieces of nether quartz in a square.
Chiseled Quartz Block
  • New building block.
  • Crafting recipe is 2 quartz slabs vertically.
Pillar Quartz Block
  • New building block.
  • Crafting recipe is 2 blocks of quartz vertically.
Quartz Stairs
  • New stair block.
  • Crafting recipe is the same except that it is made out of any quartz block.
Quartz slabs
  • New slab block.
  • Crafting recipe is the same except that it is made out of any quartz block.

Non-mob entities[]

Minecart with TNT
  • Triggered by activator rails
  • Crafting recipe is a TNT block on top of a minecart (allowing for creation in the 2x2 inventory)
  • When it derails, it explodes instantly, ignoring the usual timer delay
  • Explodes even more violently the faster it goes
  • In Creative mode when left clicked while moving, the Minecart with TNT explodes

Gameplay[]

Death messages
  • Now includes the cause of death, the player the deceased player was fighting at time of death, and the name of the item used to kill.
  • For death messages for fall damage, a complicated system was introduced.
    • There are now two types of messages, "[player] <first>" and "[player] <first> and <last>".
      • <first> can be:
        • fell [off a ladder/off some vines/out of the water/fell from a high place]
        • was [shot/pummeled/blown/fireballed/knocked] [off a ladder/off some vines/out of the water/from a high place]
        • was [shot/pummeled/blown/fireballed/knocked] [off a ladder/off some vines/out of the water/from a high place] by [player/mob]
      • <last> can be:
        • into a pool of lava
        • fell out of the world
        • into a patch of fire
        • into a patch of cacti
        • got finished off by [player/mob]
        • got finished off by [player/mob] using [item]
        • got finished off using [item]
    • There are 352 different death messages for falling. (Technically there are 416 because the verb "blown" exists twice in the en_US.lang file.)

Changes[]

This section is missing information about ID changes for empty minecarts and minecart with furnace/chest. 
Please expand the section to include this information. Further details may exist on the talk page.

Blocks[]

Anvils
  • Improved naming of containers
    • Renamed Chests, Trapped Chests, Dispensers, Furnaces, Brewing Stands, and Enchantment Tables will display the new name in their GUI where the normal name used to appear.
Hoppers
  • Is now controllable by redstone – Power it to disable item forwarding.
  • Added a proper icon.
  • Is no longer considered wooden (cannot be used as a fuel in a furnace, etc.).
  • New crafting recipe uses iron ingots rather than stone.
  • The redstone signal emitted when a redstone comparator is placed against it directly has changed.
    • 1 item will give a signal strength of 1, a 1/3 of a stack (21 for items which stack to 64) gives a signal strength of 2.
    • The number of full stacks x 3 = Signal strength.
    • E.g. 2 stacks of an item/block will give a signal strength of 6, while 2 potions will also give a signal strength of 6 (because a potion occupies one stack).
Lava
  • Changed textures.
  • Flow faster in the nether
  • Can be found as single block within netherrack
Redstone Comparator
  • Updated texture.
  • When fed by containers, they will now start giving out a signal as soon as 1 item is in the container, allowing for empty container detection.
Slabs
Trapped chests
  • Now in Decoration Blocks in creative mode inventory.

Mobs[]

General
  • Improved naming of spawn eggs
    • Mobs spawned from renamed eggs have the name of the egg and the names will appear in the death message.
    • Mobs can now display their custom name as nametag using an NBT tag.
Skeletons
  • Improved aiming.
  • Now shoots from 15 blocks away, instead of 10
  • Accuracy changes by difficulty

World generation[]

Mineshafts

Gameplay[]

Language
  • Updated language files.
    • Language files can now be updated via the background downloader (no need for a new Minecraft release).
Missing textures and models
Texture packs
  • Textures now use one file per block/item, which are stitched together at runtime – Texture sizes don't need to be consistent.
  • Any block and item can be animated by putting the frames underneath each other in the right .png – Use an optional .txt to specify frame order and duration.
  • Special rules apply for water, lava, compass, and clock.
  • Existing texture packs will "automagically" be converted.
  • Vanilla textures will be used if texture files are missing.

Fixes[]

22 issues fixed
From released versions before 1.5
  • MC-737 – Map scaling breaks the map sometimes.
  • MC-1086 – [FIXED] Command block/Repeater acting weirdly.
  • MC-1642 – Minecart noise gets stuck on long cart rides. Bumping, choppy sound.
  • MC-1972 – Redstone torch sometimes update instantly (not the North/South quirk).
  • MC-2257 – Minecraft VERY slow to join/update a server, takes LONG time to login (30 seconds/ 1 min).
  • MC-2526 – Rain animation glitches through the ceiling.
  • MC-2806 – Anvils will sometimes hit the edge of a block and break instead of being placed.
  • MC-3597 – Floating minecart tracls when pushed by one-pulse piston.
  • MC-3662 – Pistons and other Non-Solid blocks.
  • MC-4752 – Failed to save player profile.
  • MC-5691 – 1.4.6 - Windows 8 64x - Mouse: View issues/Accuracy error?
  • MC-6131 – Crash upon reloading texture pack.
  • MC-6699 – Reading Bytes in Minecraft code has a possible flaw.
From the 1.5 development versions
  • MC-5722 – Destroying a Daylight Sensor by hand works as quick as with a pickaxe, but only using a pickaxe the item drops.
  • MC-5777 – Game stop reading clicks when you are clicking very fast.
  • MC-5788 – Inactive detector rail outputs redstone through block.
  • MC-5874 – Shift left double-click doesn't work.
From the previous development version
  • MC-5998 – Item duplication by using the hopper.
  • MC-6125 – Adding an item to the chest decreases output signal level.
  • MC-6165 – Comparators cannot determine if a container is empty.
  • MC-6202 – Cacti grow extremely quickly.
  • MC-6265 – Hoppers can be used as fuel in furnaces.

References[]

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