GameStyles.wiki
author Wuzzy
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#summary Description of game styles in Hedgewars
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= Game styles =
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== Introduction ==
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A *game style* (or “style” for short) is a type of script that can be selected in multiplayer games. They are used to customize multiplayer games. A list of all official styles can be found [https://hedgewars.org/node/2946 here].
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== Location and files ==
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All game style files are saved in `Data/Scripts/Multiplayer`.
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To create a style with the name `<name>`, create the file `<name>.lua`.
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Here's the full list of supported files:
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 * `<name>.lua`: Mandatory. The script code. See below.
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 * `<name>.cfg`: Optional. Config file to specify the default schemes to use. See below.
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 * `<name>.hwp`: Optional. A sidecar [HWPFormat HWP file] containing additional resources for the style.
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== How it works ==
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In the multiplayer menu, the player will select a style in the drop-down menu.
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When the game is started, Hedgewas will initialize the script with all the player-chosen settings and also automatically places all hedgehogs and possibly some land objects (specified in the game scheme), just like in a normal game. Because the hogs are already placed, `AddHog` and `AddTeam` are pointless here.
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With an empty script, this game will behave exactly like a normal, unscripted game, with the same rules as a normal battle. Any code you write in the script will make Hedgewars deviate from the default gameplay.
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The documentation of [LuaAPI Lua API] applies. Some things we like to highlight:
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In `onGameInit`, you can read the scheme settings and also change them. You can overwrite pretty much all scheme settings here.
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In `onParameters`, you can parse the script parameter (which is also specified by the player in the game scheme).
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== Config file format ==
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The config file is a text file with 2 lines:
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 * Line 1: Name of the game scheme to select by default
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 * Line 2: Name of the weapon scheme to select by default
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Both lines can use a special value: 
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 * `locked`: This scheme is locked and cannot be changed by the player
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 * `*`: Don't select a default for this scheme
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By default, the schemes are locked. If you use a locked scheme, the style will be initialized with the settings of the “Default” scheme, but you can always overwrite that in your script code.
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== Versioning ==
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For community-created styles, we strongly suggest to follow a naming convention: Append a version number to the name. The style name is the form `<name>_v<number>`, where `<version>` is the version number.
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The first version is `1`. Whenever you publish a changed version of the style, increase the number by 1.
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Example name for a versioned style: `ExampleStyle_v4`.