Minecraft:Client.jar: Difference between revisions
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{{ | {{Lowercase}} | ||
{{Redirect|Client|the entity sometimes called "client"|Player|the [[Minecraft:block]] {{ | {{Redirect|Client|the [[Minecraft:entity]] sometimes called "client"|Player|the [[Minecraft:block]] {{in|be}}|Client request placeholder block}} | ||
{{ | {{Exclusive|java}} | ||
{{Infobox program | {{Infobox program | ||
| image = Java Edition {{ | | image = Java Edition {{v|java|nolink=1}}.png | ||
| title = client.jar | | title = client.jar | ||
| author = | | author = | ||
* [[File:Mojang Studios logo.svg|x20px|link=Mojang Studios]] Mojang Studios | * [[File:Mojang Studios logo.svg|x20px|link=Mojang Studios]] [[Minecraft:Mojang Studios]] | ||
| platform = {{ | | platform = {{OS|win|mac|lin}} and other platforms that support running a JVM | ||
| programming language = {{ | | programming language = {{OS|java}} {{w|Java (programming language)|Java}} | ||
| license = [https://www.minecraft.net/en-us/eula EULA] | | license = [https://www.minecraft.net/en-us/eula EULA] | ||
| website = https://www.minecraft.net/en-us/download | | website = https://www.minecraft.net/en-us/download | ||
| source available = Partial | | source available = Partial | ||
| size = * ≈ 53 MiB ({{ | | size = * ≈ 53 MiB ({{v|java}}) | ||
* ≈ 76 MiB (as of {{ | * ≈ 76 MiB (as of {{v|java-snap}}) | ||
| version = | | version = | ||
* '''Release''': {{ | * '''Release''': {{v|java}} | ||
{{#if: {{ | {{#if: {{v|java-snap}} | * '''Snapshot''': {{v|java-snap}} }} | ||
| date = May 16, 2009 (mc-161607) | | date = May 16, 2009 ([[Minecraft:Java Edition Classic mc-161607|mc-161607]]) | ||
| customlinks = | | customlinks = | ||
'''Downloads''' | '''Downloads''' | ||
* [https://piston-data.mojang.com/v1/objects/{{#dpl:title=Java Edition {{ | * [https://piston-data.mojang.com/v1/objects/{{#dpl:title=Java Edition {{v|java|nolink=yes}}|includepage={Infobox version}:clienthash}}/client.jar {{v|java|nolink=yes}}] | ||
* [https://piston-data.mojang.com/v1/objects/{{#dpl:title=Java Edition {{ | * {{#if: {{v|java-snap}} | [https://piston-data.mojang.com/v1/objects/{{#dpl:title=Java Edition {{v|java-snap|nolink=yes}}|includepage={Infobox version}:clienthash}}/client.jar {{v|java-snap|nolink=yes}}] }} | ||
}} | }} | ||
{{ | {{relevant tutorial|See Minecraft's code}} | ||
<code>'''client.jar'''</code> is a {{ | <code>'''client.jar'''</code> is a {{w|JAR (file format)|JAR}} file containing the ''[[Minecraft:Minecraft]]'' program and some default resources. It is launched by the user using the ''[[Minecraft:Minecraft Launcher]]''. | ||
The <code>client.jar</code> file is named using the version number after download, e.g., ''1.21.5.jar''. The name ''client.jar'' is used on the distribution server, and commonly as a general term for all versions of the file. It is located at <code>.minecraft/versions/''version''/''version''.jar</code>, next to the <code>client.json</code> file. | The <code>client.jar</code> file is named using the [[Minecraft:Version formats#Release|version]] number after download, e.g., ''1.21.5.jar''. The name ''client.jar'' is used on the distribution server, and commonly as a general term for all versions of the file. It is located at <code>[[Minecraft:.minecraft]]/versions/''version''/''version''.jar</code>, next to the <code>[[Minecraft:client.json]]</code> file. | ||
It can be opened with a file archiving program that supports ZIP files. | It can be opened with a [[Minecraft:wikipedia:File archiver|file archiving program]] that supports ZIP files. | ||
== Contents == | == Contents == | ||
The file contains the ''Minecraft'' program in form of compiled Java class files. It also contains some, but not all, default resources; for instance, textures from the vanilla resource pack are stored here, but sound files are stored separately. | The file contains the ''Minecraft'' program in form of compiled Java class files. It also contains some, but not all, default resources; for instance, textures from the vanilla resource pack are stored here, but [[Minecraft:Tutorial:Sound directory|sound files]] are stored separately. | ||
=== Directory structure === | === Directory structure === | ||
| Line 48: | Line 48: | ||
|{{File|file|MOJANGCS.SF}} | |{{File|file|MOJANGCS.SF}} | ||
}} | }} | ||
|{{File|directory|assets}}: The vanilla resource pack. | |{{File|directory|assets}}: The vanilla [[Minecraft:resource pack]]. | ||
{{blist | {{blist | ||
|{{Collapse|title={{File|directory|minecraft}} | |{{Collapse|title={{File|directory|minecraft}} | ||
| Line 89: | Line 89: | ||
}} | }} | ||
}} | }} | ||
|{{File|directory|data}}: The vanilla data pack. | |{{File|directory|data}}: The vanilla [[Minecraft:data pack]]. | ||
{{blist | {{blist | ||
|{{Collapse|title={{File|directory|minecraft}} | |{{Collapse|title={{File|directory|minecraft}} | ||
| Line 102: | Line 102: | ||
|{{File|directory|datapacks}} | |{{File|directory|datapacks}} | ||
{{blist | {{blist | ||
|{{File|directory|minecart_improvements}}: The Minecart Improvements data pack. | |{{File|directory|minecart_improvements}}: The Minecart Improvements [[Minecraft:data pack]]. | ||
|{{File|directory|redstone_improvements}}: The Redstone Improvements data pack. | |{{File|directory|redstone_improvements}}: The Redstone Improvements [[Minecraft:data pack]]. | ||
|{{File|directory|trade_rebalance}}: The Villager Trade Rebalance data pack. | |{{File|directory|trade_rebalance}}: The Villager Trade Rebalance [[Minecraft:data pack]]. | ||
}} | }} | ||
|{{File|directory|dialog}} | |{{File|directory|dialog}} | ||
| Line 127: | Line 127: | ||
|{{File|directory|structure}}: [[Minecraft:Structure]] data. | |{{File|directory|structure}}: [[Minecraft:Structure]] data. | ||
|{{File|directory|tags}} | |{{File|directory|tags}} | ||
|{{File|directory|test_environment}}: Introduced in 1.21.5. | |{{File|directory|test_environment}}: Introduced in [[Minecraft:Java Edition 1.21.5|1.21.5]]. | ||
|{{File|directory|test_instance}}: Introduced in 1.21.5. | |{{File|directory|test_instance}}: Introduced in [[Minecraft:Java Edition 1.21.5|1.21.5]]. | ||
|{{File|directory|timeline}}: Timeline data. | |{{File|directory|timeline}}: [[Minecraft:Timeline]] data. | ||
|{{File|directory|trade_set}} | |{{File|directory|trade_set}} | ||
|{{File|directory|trial_spawner}}: Trial spawner data. Introduced in 1.21. | |{{File|directory|trial_spawner}}: Trial spawner data. Introduced in [[Minecraft:Java Edition 1.21|1.21]]. | ||
|{{File|directory|trim_material}} | |{{File|directory|trim_material}} | ||
|{{File|directory|trim_pattern}} | |{{File|directory|trim_pattern}} | ||
| Line 157: | Line 157: | ||
|{{File|file|flightrecorder-config.jfc}} | |{{File|file|flightrecorder-config.jfc}} | ||
|{{File|file|pack.png}}: Vanilla resource pack and data pack icon. | |{{File|file|pack.png}}: Vanilla resource pack and data pack icon. | ||
|{{File|file|version.json}} | |{{File|file|[[Minecraft:version.json]]}} | ||
}} | }} | ||
}} | }} | ||
=== Blaze3D === | === Blaze3D === | ||
Blaze3D is a private library that provides the graphics backend for {{ | Blaze3D is a private library that provides the graphics backend for {{w|LWJGL}}/{{w|OpenGL}} and {{w|Vulkan}}{{upcoming|je 26.2}}<ref>{{mcnet|another-step-towards-vibrant-visuals-for-java-edition|Another step towards Vibrant Visuals|February 18, 2026}}</ref> used in the game's [[Minecraft:rendering]], while also providing some low-level abstraction for {{w|OpenAL}} and {{w|glyph}} typographic information for audio control and [[Minecraft:font]]s respectively. | ||
When used for rendering, Blaze3D sets up the render system and the graphics backend, managing the program's window, GPU devices, memory buffers, view states, and other resources. When used for audio, it provides audio devices, channeling, and playback control for the game's own sound engine. | When used for rendering, Blaze3D sets up the render system and the graphics backend, managing the program's window, GPU devices, memory buffers, view states, and other resources. When used for audio, it provides audio devices, channeling, and playback control for the game's own [[Minecraft:sound]] engine. | ||
In the future, Mojang Studios plans to rework the codebase, which includes separating the game's rendering and gameplay codebase,<ref>{{mcnet|vibrant-visuals-java-edition|Vibrant Visuals on Java Edition|April 16, 2025}}</ref> and a dedicated thread for rendering<ref>{{mcnet|the-road-to-vibrant-visuals-on-java|The road to Vibrant Visuals on Java|October 22, 2025}}</ref>. | In the future, Mojang Studios plans to rework the codebase, which includes separating the game's rendering and gameplay codebase,<ref>{{mcnet|vibrant-visuals-java-edition|Vibrant Visuals on Java Edition|April 16, 2025}}</ref> and a dedicated thread for rendering<ref>{{mcnet|the-road-to-vibrant-visuals-on-java|The road to Vibrant Visuals on Java|October 22, 2025}}</ref>. | ||
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== History == | == History == | ||
{{HistoryTable | {{HistoryTable | ||
|{{ | |{{HistoryLine|java classic}} | ||
|{{ | |{{HistoryLine||mc-161607|[[Minecraft:Notch]] started distributing the game to other people, constituting the creation of client.jar.}} | ||
|{{ | |{{HistoryLine||0.0.14a_08|Signature files, MOJANG_C.SF and MOJANG_C.DSA have been added to the META-INF folder.}} | ||
|{{ | |{{HistoryLine|java indev}} | ||
|{{ | |{{HistoryLine||0.31|dev=20091223-0040|Java class files have been moved from client.jar/com/mojang/minecraft to client.jar/net/minecraft.}} | ||
|{{ | |{{HistoryLine|java infdev}} | ||
|{{ | |{{HistoryLine||20100627|Java class files are now all located in the root directory of client.jar.}} | ||
|{{ | |{{HistoryLine|java}} | ||
|{{ | |{{HistoryLine||1.2.5|The signature files, MOJANG_C.SF and MOJANG_C.DSA have been moved to CODESIGN.SF and CODESIGN.RSA, respectively.}} | ||
|{{HistoryLine||1.21.4|dev=24w45a|New entry point {{samp|net.minecraft.client.data.Main}} is present in client.jar, with similar command line structure as data generator in [[Minecraft:server.jar]].}} | |{{HistoryLine||1.21.4|dev=24w45a|New entry point {{samp|net.minecraft.client.data.Main}} is present in client.jar, with similar command line structure as data generator in [[Minecraft:server.jar]].}} | ||
|{{ | |{{HistoryLine||26.1|dev=snap1|The Java class files in client.jar are no longer obfuscated, and are no longer located in the root directory of client.jar.}} | ||
}} | }} | ||
== See also == | == See also == | ||
* [[Minecraft:Bedrock Edition installation files|''Bedrock Edition'' installation files]], which contain the game client executable for {{ | * [[Minecraft:Bedrock Edition installation files|''Bedrock Edition'' installation files]], which contain the game client executable for {{BE}}. | ||
* .minecraft | * [[Minecraft:.minecraft]] | ||
* [[Minecraft:server.jar]] | * [[Minecraft:server.jar]] | ||
== Navigation == | == Navigation == | ||
{{ | {{Navbox Java Edition technical|general}} | ||
[[Category:Development]] | [[Category:Development]] | ||
de:Minecraft.jar | [[Minecraft:de:Minecraft.jar]] | ||
es:Minecraft.jar | [[Minecraft:es:Minecraft.jar]] | ||
fr:Client.jar | [[Minecraft:fr:Client.jar]] | ||
it:Client.jar | [[Minecraft:it:Client.jar]] | ||
ja:Client.jar | [[Minecraft:ja:Client.jar]] | ||
ko:Client.jar | [[Minecraft:ko:Client.jar]] | ||
nl:Minecraft.jar | [[Minecraft:nl:Minecraft.jar]] | ||
pl:Minecraft.jar | [[Minecraft:pl:Minecraft.jar]] | ||
pt:Client.jar | [[Minecraft:pt:Client.jar]] | ||
ru:Client.jar | [[Minecraft:ru:Client.jar]] | ||
tr:Client.jar | [[Minecraft:tr:Client.jar]] | ||
uk:Client.jar | [[Minecraft:uk:Client.jar]] | ||
zh:Client.jar | [[Minecraft:zh:Client.jar]] | ||
Latest revision as of 11:06, 13 April 2026
Template:Lowercase Template:Redirect Template:Exclusive Template:Infobox program Template:Relevant tutorial
client.jar is a Template:W file containing the Minecraft:Minecraft program and some default resources. It is launched by the user using the Minecraft:Minecraft Launcher.
The client.jar file is named using the version number after download, e.g., 1.21.5.jar. The name client.jar is used on the distribution server, and commonly as a general term for all versions of the file. It is located at Minecraft:.minecraft/versions/version/version.jar, next to the Minecraft:client.json file.
It can be opened with a file archiving program that supports ZIP files.
Contents
The file contains the Minecraft program in form of compiled Java class files. It also contains some, but not all, default resources; for instance, textures from the vanilla resource pack are stored here, but sound files are stored separately.
Directory structure
The client.jar file has the following directory structure. Note that Java class files have been omitted for brevity.
Blaze3D
Blaze3D is a private library that provides the graphics backend for Template:W/Template:W and Template:WTemplate:Upcoming<ref>Template:Mcnet</ref> used in the game's Minecraft:rendering, while also providing some low-level abstraction for Template:W and Template:W typographic information for audio control and Minecraft:fonts respectively.
When used for rendering, Blaze3D sets up the render system and the graphics backend, managing the program's window, GPU devices, memory buffers, view states, and other resources. When used for audio, it provides audio devices, channeling, and playback control for the game's own Minecraft:sound engine.
In the future, Mojang Studios plans to rework the codebase, which includes separating the game's rendering and gameplay codebase,<ref>Template:Mcnet</ref> and a dedicated thread for rendering<ref>Template:Mcnet</ref>.
History
See also
- Bedrock Edition installation files, which contain the game client executable for Template:BE.
- Minecraft:.minecraft
- Minecraft:server.jar
Template:Navbox Java Edition technical
Minecraft:de:Minecraft.jar Minecraft:es:Minecraft.jar Minecraft:fr:Client.jar Minecraft:it:Client.jar Minecraft:ja:Client.jar Minecraft:ko:Client.jar Minecraft:nl:Minecraft.jar Minecraft:pl:Minecraft.jar Minecraft:pt:Client.jar Minecraft:ru:Client.jar Minecraft:tr:Client.jar Minecraft:uk:Client.jar Minecraft:zh:Client.jar