Game Files: Difference between revisions

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== Game ==
#REDIRECT [[Game files]]
All available version of the game itself are listed on
  http://s3.amazonaws.com/Minecraft.Download/versions/versions.json
 
The jar file for a specific version is located at
  http://s3.amazonaws.com/Minecraft.Download/versions/<version>/<version>.jar
 
Some information on how to properly run said jar is available at
  http://s3.amazonaws.com/Minecraft.Download/versions/<version>/<version>.json
 
== Libraries ==
The libraries which can be used for all minecraft versions and are downloaded by the launcher are located at
  http://s3.amazonaws.com/MinecraftDownload/
 
The json file downloaded above is used in order to determine which libraries to download. Inside the file is a key, <code>libraries</code> which contains information about each library required.
Example:
<syntaxhighlight lang="javascript">
{
  "name": "org.lwjgl.lwjgl:lwjgl-platform:2.9.1-nightly-20130708-debug3",
  "natives": {
    "linux": "natives-linux",
    "windows": "natives-windows",
    "osx": "natives-osx"
  },
  "extract": {
    "exclude": [
      "META-INF/"
    ]
  },
  "rules": [
    {
      "action": "allow",
      "os": {
        "name": "osx",
        "version": "^10\\.5\\.\\d$"
      }
    }
  ]
}
</syntaxhighlight>
 
The <code>name</code> key is used to determine the url from which to download the library from. The format of this string is
<package>:<name>:<version>
The corresponding URL would look like this:
<package>/<name>/<version>/<name>-<version>.jar
where <code>path</code> is the result of replacing all the periods in <code>package</code> with slashes.
 
 
The <code>natives</code> key provides a string for each specific platform to be inserted between the .jar and the <version> of the filename, resulting in a filename with the format:
<name>-<version>-<native-string>.jar</code>
This is applied to any file with the <code>natives</code> key.
 
 
The <code>extract</code> key provides rules for the extraction of the file.
 
 
The <code>rules</code> key is used to determine which platforms to download the file to. When the <code>action</code> is <code>allow</code>, the file will be downloaded to the platform stated in <code>os</code>. When the <code>action</code> is <code>disallow</code>, the file will not be downloaded to the platform stated in <code>os</code>. If there is no <code>os</code> key, the rule is default for non-specified platforms.
 
 
In the example above, on an OS X platform, the full download path would be
https://s3.amazonaws.com/Minecraft.Download/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.1-nightly-20130708-debug3/lwjgl-platform-2.9.1-nightly-20130708-debug3-natives-osx.jar</code>
The file would be extracted but the <code>META-INF</code> file would not be. Additionally, the file would only be downloaded if the computer was running OS X 10.5.
 
== Assets ==
The game itself downloads further resources from
  http://s3.amazonaws.com/MinecraftResources/
 
A list of all available resources is available as an XML file at the address above. These files do not have to be downloaded in order for the game to function properly.
 
 
[[Category:Minecraft Modern]]

Latest revision as of 07:36, 7 December 2015

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