minecraft.wiki-mirror/wiki_backup/15w34a.txt
2024-12-24 10:56:43 -05:00

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{{Infobox version
|title=15w34a
|image=Java Edition 15w34a.png
|edition=Java
|type=Snapshot
|date=August 19, 2015
|parent=1.9
|clienthash=e8320ed660bcdc6c80d94a5c4e068e783465a2f5
|jsonhash=71b1b3cc02415227a5600d97c84eb211b741a49f
|serverhash=70103317cd7b973e4f8511a5d8973da20c6654d1
|exehash=d18d0618ddfb5f4a7e00f04d09709717e5861e4b
|prevparent=1.8.9
|prev=15w33c
|next=15w34b
|nextparent=1.9.1
}}<onlyinclude>
'''15w34a''' is the tenth [[snapshot]] for [[Java Edition 1.9]], released on August 19, 2015.<ref>https://web.archive.org/web/0/https://www.mojang.com/2015/08/minecraft-snapshot-15w34a</ref>
== Additions ==
=== Command format ===
; [[NBT format]]
* Added the <code>powered</code> and <code>conditional</code> byte tags to <code>Control</code> tile entity for [[command block]]s.
* Added the <code>life</code> (Integer) and <code>power</code> (List/Double) tags to <code>FireballBase</code>.
* Added the <code>id</code> string tag inside <code>SpawnData</code> for the <code>MobSpawner</code> tile entity.
* Added the <code>powered</code> byte tag to <code>Music</code> tile entity for [[note block]]s.
== Changes ==
=== Blocks ===
; [[Command block]]s
* New textures that now vary depending on what direction they are placed from, similar to [[dispenser]]s and [[piston]]s.
** It consists of a front, a back and a side texture (looks like arrows), so the orientation can be easily determined.
** The texture is animated - the colored "buttons" in the middle change color.
** The middle panel texture has a black outline.
* 3 modes: impulse, chain, and repeat - color changes based on mode.
** Impulse mode (orange): Command is run once on rising edge.
*** Same behavior and color as previous versions.
** Chain mode (green): Command is run whenever another command block pointing into it executes, and the command block in question is powered.
*** The chain signal is forwarded until the blocks get out of loaded [[chunk]]s.
*** The signal is independent of the powered state of any block in the chain, as well as the [[command]] (or lack thereof) inside.
** Repeat mode (blue): Command is run every game tick while powered.
*** Like a [[minecart with command block]] but faster.
** Each new mode has its own block id and is obtainable with {{cmd|give}} and {{control|pick block}}.
* Power received is now a data tag, allowing command blocks to have such a state under control, independent of any nearby [[redstone]] signal.
* Command block contraptions from earlier versions still work.
* The "Done" button is now always available to press, even when the command line is empty.
; [[Note block]]s
* Their power state is controlled through a tag, and can, therefore, be controlled independently on any [[redstone]] signal.
=== Items ===
; [[Map]]s
* Now start at a wider zoom level (1:4 instead of 1:1).
* New recipe for zooming in on a map: [[shears]] and a map together in any shape.
** Zooms in on the lower-right quadrant of the original map.
** This causes the shears to lose [[durability]].
=== Mobs ===
; [[Zombie]]s and [[zombie pigmen]]
* Now lift their arms slightly when becoming hostile.
=== Non-mob entities ===
; [[Minecarts with command blocks]]
* The "Done" button is now always available to press, even when the command line is empty.
=== Command format ===
; NBT format
* <code>EntityId</code> for the <code>MobSpawner</code> block entity has been deprecated.
=== Gameplay ===
; Combat
* New attack speed combat mechanic.
** A meter shows up after switching items or attacking.
*** Damage done depends on the fullness of the meter.
*** Fills in 0.25s for non-weapons, 0.8s for [[sword]]s, [[pickaxe]]s, and [[shovel]]s, and 1.2s for [[axe]]s.
*** The meter can be displayed next to the hotbar (left or right based on the player's main hand), under the crosshair or turned off.
**** Looks like the icon for the {{EffectLink|id=strength-revision-1|Strength}} effect on the side of the hotbar, or like a dagger under the crosshair.
**** This is controlled in video [[settings]].
* Delay when selecting a sword, pickaxe, axe or shovel into the main hand.
=== General ===
; Optimizations
* Optimized mob AI, pathfinding and block ticking.
** 15% tick speed increase on 16 render distance.
== Fixes ==
{{fixes|fixedin=15w34a|prefix=Minecraft
|;old
|86152|Records lose their custom name when placed in a record player.
|;dev
|83471|"<code>CustomPotionEffects</code>" Inoperable with splash/lingering potions.
|84260|Tipped arrows show no potion particles.
|85115|Dragon fireball doesn't have a name (<code>entity.DragonFireball.name</code>).
|85592|Default <code>log4j2.xml</code> is suboptimal.
|;previous
|86137|Crash when breaking heads.
|86138|Pick block on mob (dragon) head/structure block crashes the game.
}}</onlyinclude>
== Video ==
Video made by [[slicedlime]]:
{{yt|yUI8mp_tm1E}}
== Trivia ==
* This version was previously removed from the [[launcher]] for some time, but was added back in September 2018.
== References ==
{{reflist}}
== Navigation ==
{{Navbox Java Edition versions|1.0}}
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