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Plugins.md

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Plugins (Beta)

Compile Pal's plugin based architecture allows developers to create their own compile steps.

Plugins are currently in a beta state, so the format and structure are subject to change.

image

Installation

Plugins can be installed by copying the plugin folder into the Compile Pal/Parameters folder.

USE PLUGINS AT YOUR OWN RISK, DO NOT INSTALL PLUGINS FROM UNTRUSTED SOURCES

Structure

Plugins consist of a folder that contains a meta.json and parameters.json file, and optionally other files that the plugin may require to run such as an executable.

My Plugin/
  meta.json
  parameters.json
  MyPlugin.exe

Meta.json Structure

meta.json is a JSON file that defines the metadata about the compile step

{
  "Name": "string",
  "Description": "string",
  "Warning": "string",
  "Path": "string",
  "Arguments": "string",
  "BasisString": "string",
  "Order": "float",
  "DoRun": "bool",
  "ReadOutput": "bool",
  "SupportsBSP": "bool",
  "CheckExitCode": "bool",
  "CompatibleGames": "int[]",
  "IncompatibleGames": "int[]",
  "WorkingDirectory": "string"
}
Field Description
Name Plugin Name. Must match the folder name.
Description Description shown in the process adder dialog.
Warning Warning shown in the process adder dialog.
Path Path to a program, relative to the working directory (by default the Compile Pal folder). Can be templated, see Variable Substitution. (For versions <=v27.28, this is relative to the Compile Pal/CompileLogs folder)
Arguments The first arguments passed to the program. Can be templated, see Variable Substitution. (>=v27.28)
BasisString The last arguments passed to the program. Can be templated, see Variable Substitution. Order of arguments is Arguments → Arguments selected by user → BasisString.
Order Determines when your step should run. For example, an Order of 1.5 would run between VBSP and VVIS. For the complete ordering, look at the existing compile steps in the Parameters folder.
DoRun Controls whether step is enabled by default. Set to true to enable it.
ReadOutput Controls whether program output is shown in the compile log.
SupportsBSP Indicates that this step can be used for BSP files. Steps that don't support BSPs are automatically disabled if a user selects a BSP file. Defaults to false. (>=v27.27)
CheckExitCode Checks for process exit code and raises a warning when it is not 0. Defaults to true. (>=v27.31)
CompatibleGames Whitelist of Steam App IDs for games that this plugin is compatible with. Will override IncompatibleGames if both are set. (>=v27.29)
IncompatibleGames Blacklist of Steam App IDs for games that this plugin is not compatible with. (>=v27.29)
WorkingDirectory Working Directory of the plugin. Defaults to the Compile Pal folder. Can be templated, see Variable Substitution. (>=v28.4)

Variable Substitution

Variable Description
$vmfFile$ Path to the vmf file
$map$ Path to the vmf file without extension
$bsp$ Path to the bsp file
$mapCopyLocation$ Path to the bsp file after copying to the map folder
$gameName$ Name of the current Game Configuration
$game$ Path to the folder of the current Game Configuration
$gameEXE$ Path to the game of the current Game Configuration
$mapFolder$ Path to the map folder of the current Game Configuration
$sdkFolder$ Path to the SDK map folder of the current Game Configuration
$binFolder$ Path to the bin folder of the current Game Configuration
$vbsp$ Path to VBSP for the current Game Configuration
$vvis$ Path to VVIS for the current Game Configuration
$vrad$ Path to VRAD for the current Game Configuration
$bspzip$ Path to BSPZip for the current Game Configuration
$vbspInfo$ Path to VBSPInfo for the current Game Configuration

Parameters.json Structure

parameters.json is a JSON file that defines the parameters for a compile step

[
	{
		"Name": "string",
		"Description": "string",
		"Warning": "string",
		"Parameter": "string",
		"CanBeUsedMoreThanOnce": "bool",
		"CanHaveValue": "bool",
		"Value": "string",
		"ValueIsFile": "bool",
		"ValueIsFolder": "bool",
		"CompatibleGames": "int[]",
		"IncompatibleGames": "int[]"
	},
	...
]
Field Description
Name Parameter name.
Description Description shown in parameter adder dialog.
Warning Warning shown in parameter adder dialog.
Parameter Parameter passed to the plugin. Should have a space in front of the parameter, Ex. " --foo".
CanBeUsedMoreThanOnce Allows the parameter to be used multiple times. Defaults to false.
CanHaveValue Allows users to pass a value to the parameter.
Value Default value for the parameter.
ValueIsFile Indicates that value is a file. Adds a button that opens a File Picker dialog. Defaults to false.
ValueIsFolder Indicates that value is a folder. Adds a button that opens a Folder Picker dialog. Defaults to false.
CompatibleGames Whitelist of Steam App IDs for games that this plugin parameter is compatible with. Will override IncompatibleGames if both are set. (>=v27.29)
IncompatibleGames Blacklist of Steam App IDs for games that this plugin parameter is not compatible with. (>=v27.29)

Modifying The Current Game Configuration (>=v27.30)

You can modify the current game configuration by sending COMPILE_PAL_SET {variable} {value} through stdout. These changes will persist until the next map is compiled.

Variable Description
file VMF filepath
bspdir BSP directory
bindir Bin directory
sdkbindir SDK bin directory
gamedir Game directory
vbsp_exe Path to VBSP
vvis_exe Path to VVIS
vrad_exe Path to VRAD
game_exe Path to the game
bspzip_exe Path to BSPZip
vpk_exe Path to VPK.exe
vbspinfo_exe Path to VBSPInfo

For example, sending COMPILE_PAL_SET file 'new/file/path.vmf' will update the configuration to point to the vmf at new/file/path.vmf instead of what was originally selected.

Best Practices

For examples, download PLUGIN DEMO.zip or look at the existing compile steps in the Parameters folder.

Packaging An Application

It is recomended to package your application inside the plugin folder to make it easier to point to. For example, Path can be set to Parameters\\My Plugin\\plugin.exe.

Python Plugins

Setting the Path to python or python3 is not portable. Use the Python Launcher py (requires Python >= 3.3), passing the python version in the Arguments, Ex.

{
	"Path": "py",
	"Arguments": "-3 my_plugin.py",
}

Debugging Plugins

You can view the program path and arguments in the debug.log found in the Compile Pal folder.