Java Edition 13w16a

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 "title": "Minecraft 13w16a",
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 "Java Edition 13w16a.png"
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 "rows": [
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 "field": "''(link to Java Edition article, displayed as Java Edition)''",
 "label": "(link to Edition article, displayed as Edition)"
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 "field": "'''Original''': April 18, 2013\n'''Reuploads 2 & 3''': April 19, 2013",
 "label": "Release date"
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 {
 "field": "(link to Snapshot article, displayed as Snapshot)",
 "label": "(link to Version types article, displayed as Type)"
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 "field": "(link to Java Edition 1.6.1 article, displayed as 1.6.1)",
 "label": "Snapshot for"
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 {
 "field": "(values exceeds 1000 characters...)",
 "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
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 {
 "field": "62",
 "label": "(link to Protocol version article, displayed as Protocol version)"
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 "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_6 Java SE 6]</span>",
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 "invimages": [],
 "footer": "<table style=\"margin: auto; word-break: break-word;\">\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\" rowspan=\"2\">[[Java Edition 1.5.2|<span style=\"margin-right:-0.35em\">◄</span>◄  1.5.2]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.6.1|1.6.1]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.6.2| 1.6.2 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n\n<td style=\"padding: 0.4em\">''' 13w16a'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 13w16b| 13w16b ►]]\n</td>\n</tr>\n</table>"
}

13w16a is the first snapshot for Java Edition 1.6.1, released on April 18, 2013,^[1] which adds some new features including horses and their relatives, leads, and carpets. To run this snapshot, it was required to use a new launcher, the initial version of which was released at the same time.^[1]

The client of 13w16a was reuploaded three times: once 13 minutes after release and twice the day after release.​^{[more information needed]} The server of 13w16a was reuploaded once.

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Carpets

• Made using 2 of the player's desired colors of wool in a horizontal line.

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Hay blocks

• Can be placed in all orientations, just like wood.

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Horse armor

• Exist in diamond, iron and gold variants.
• Crafted with six iron/gold/diamond and a wool block.

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Leads

• Can be used to bind mobs to fences or lead them around.
• Right-click mob first, then right-click fence or right-click the mob again to get the lead back.

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Horse saddle

• Stacks to 32.
• Crafted with five leather and three iron ingots.

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Horse spawn egg

• When used, a different horse breed is created each time.
• Works like any other spawn egg.

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Horses

• Ridable by right-clicking them, move with usual movement keys, maximum speed, and jump height differ between horses.
• Have various amounts of maximum health, use wheat and carrots to heal them.
• Drop leather when killed.
• Can be bred using wheat – baby horses can be grown using apples, golden apples, wheat, and hay bales.
• Players can make them jump by pressing and holding the space bar.
• They naturally step up over 1 block, which enables rider to walk up hills.
• They can also use ladders, when steered towards them.
• Creation assisted by DrZhark (creator of the Mo' Creatures mod).

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Donkeys

• Like horses, but can carry chests on their back although no inventory is currently available.
• Can be bred with horses to make a mule.

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Mules

• Mules can be obtained by breeding a donkey and a horse.

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Skeleton horses

• Require NBT editing to view in-game.
• An unused mob.

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Zombie horses

• Require NBT editing to view in-game.
• An unused mob.

General

• Changed the idea of mob difficulty.^[2]
  • Regional difficulty: The longer the player stays in one area, the harder it gets.
  • Scales with difficulty – Items, enchants or AI improve with difficulty.

Enchanting

• Improved Respiration.
  • Now also helps seeing underwater (depends on the enchantment level).

Riding

• Add mob's health bar to the heads-up display when riding on it (both pigs and horses).
• When riding something, like a mob or a boat, dismounting is only possible using the sneak key.

Credits

• Added Mo' Creatures developers to credits.txt.

Game window

• Now displays the client's version in the window title (for example: "Minecraft 13w16a").

Directory structure

• .minecraft directory structure is changed:
  • assets folder; stores resources such as language packs and sounds.
    • All music discs now use .ogg format instead of .mus format.
  • library folder; stores Java libraries such as LWJGL and jinput.jar.
  • versions folder; there are files version.json (meta data) and folders that stores minecraft.jar for each versions (but its name is the same as its version; the jar for 13w16a is versions/13w16a/13w16a.jar).

Game directory

• Both the game's main class (net.minecraft.client.main.Main) and the new launcher began to support an optionally specified game directory, where the game stores its files (/saves, options.txt, etc.). The main class' parameter for the game directory was named as (a misleading) --workDir, and it was later changed (in 13w24a) to a more adequate --gameDir.

• This is the earliest snapshot available in the Minecraft launcher. Although earlier snapshots are not available in the launcher, almost all of them have been archived.
• This is the first snapshot to require Java 6 and is also able to launch with Java 9 and up.
• This is the first snapshot of the older snapshots and versions that are available in the Minecraft launcher to not require be launched by a helper-wrapper class (net.minecraft.launchwrapper.Launch) that was used for pre-1.6 versions to tweak the old code to the modern launcher's needs. This and the later snapshots and versions are being launched normally, by their main class (net.minecraft.client.main.Main).

6 issues fixed

From released versions before 1.6.1

• MC-3090 – Unable to play game unless LWJGL is manually replaced.
• MC-4253 – Endermen are rendered hostile if they take environmental damage.
• MC-5674 – Client can control if they take damage and abuse this / ALT or F10 freezes client in windowed mode.
• MC-11229 – Using the anvil for free.
• MC-12017 – Can get permanently stuck in a minecart in a nether portal.
• MC-12369 – Minecraft crashing on 1.5.1 prerelease server.