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craftos2-plugins

This repository contains a number of small plugins for CraftOS-PC. These were previously in separate Gists, but were moved here to consolidate them into one repository as well as to provide built versions.

You can download pre-built versions of these plugins for Windows in x64-windows.

ccemux

The CCEmuX plugin as included with CraftOS-PC. This repo will only contain a mirror of the original file in the CraftOS-PC repo.

computronics-tape

Emulates the Computronics tape drive, including DFPWM audio playback.

Installation

Just drop the plugin file into plugins.

API

The peripheral constructor accepts two optional arguments: a path to a file to save/load the tape to/from, and the size of the tape in megabytes (decimals accepted). If no file is specified, the tape data will only be present in memory. The size must be at least 64 kB and less than 16 MB; sizes are rounded down to the nearest 64 kB block (so 200 kB is rounded to 192 kB). Size defaults to 1 MB.

See the Computronics wiki for more information on the peripheral's methods.

discord

Discord Rich Presence for CraftOS-PC.

Installation

Drop the plugin file into the plugins directory. In addition, download the Discord GameSDK, and copy these files depending on your OS:

• Windows: lib/x86_64/discord_game_sdk.dll => CraftOS-PC\discord_game_sdk.dll
• macOS: lib/x86_64/discord_game_sdk.dylib => CraftOS-PC.app/Contents/Frameworks/discord_game_sdk.dylib
• Linux: lib/x86_64/discord_game_sdk.so => /usr/lib/discord_game_sdk.so

Usage

Just launch CraftOS-PC, and rich presence will automatically enable. If you use cash, you'll need to run rom/autorun/discord.lua to enable it.

glasses

Adds the Plethora and Advanced Peripherals AR Glasses/Goggles, allowing vector graphics in a separate window.

Current status:

• Only Plethora Glasses implemented at the moment.
• No 3D canvas support.
• Items are not implemented yet.
• The current SDL version included with CraftOS-PC (2.0.16) is not compatible with this, as this uses a function that will be added in 2.0.18. Built DLLs are included with the Windows build.

Installation

Drop the glasses.dll plugin file into plugins, and add the rest of the libraries to the application directory or next to the plugin.

API

See the Plethora and Advanced Peripherals documentation.

joystick

Adds the ability to use joysticks and gamepads with CraftOS-PC.

Installation

Just drop the plugin file into plugins.

API

To use a joystick, call joystick.open(id). This will return a new joystick handle, and enables event reporting for the selected joystick.

• number count(): Returns the number of joysticks currently attached.
• handle open(number id): Opens a joystick.
  • id: The ID of the joystick to open. This ranges from 0 to joystick.count()-1.
  • Returns: A new joystick handle, or nil + an error message on error.

Joystick handle

• void close(): Closes the handle.
• number getAxis(number id): Returns the position of the selected axis.
  • id: The ID of the axis to check.
  • Returns: The position of the selected axis, from -1.0 to 1.0.
• number, number getBall(number id): Returns the coordinates of a ball input.
  • id: The ID of the ball to check.
  • Returns: The X and Y coordinates of the ball.
• boolean getButton(number id): Returns whether a button is pressed.
  • id: The ID of the button to check.
  • Returns: Whether the button is pressed.
• number, number getHat(number id): Returns the position of a hat input.
  • id: The ID of the hat to check.
  • Returns: Two numbers declaring the position of the hat:
    • -1 for left, 0 for center, 1 for right
    • -1 for down, 0 for center, 1 for up
• string getPowerLevel(): Returns the power level of the controller if available.
  • Possible values: nil, empty, low, medium, full, max, wired
• boolean rumble(number time, number lowIntensity, number highIntensity): Rumbles the controller if available. (Only if built with SDL 2.0.9 or later.)
  • time: The amount of time to rumble the controller, in seconds.
  • lowIntensity: The intensity to rumble the low frequency motor at, from 0.0 to 1.0.
  • highIntensity: The intensity to rumble the high frequency motor at, from 0.0 to 1.0.
  • Returns: true if the rumble succeeded, false if rumble is not supported.
• number id: The ID of the controller.
• string name: The name of the controller.
• number player: The player number of the controller. (Only if built with SDL 2.0.9 or later.)
• number axes: The number of axes available.
• number balls: The number of balls available.
• number buttons: The number of buttons available.
• number hats: The number of hats available.

Events

• joystick: Fired when a joystick is attached.
  • number joy: The ID of the new joystick.
• joystick_detach: Fired when a joystick is detached.
  • number joy: The ID of the removed joystick.
• joystick_press: Fired when a button on a joystick is pressed.
  • number joy: The ID of the joystick the event was fired for.
  • number id: The ID of the button pressed.
• joystick_up: Fired when a button on a joystick is released.
  • number joy: The ID of the joystick the event was fired for.
  • number id: The ID of the button released.
• joystick_axis: Fired when an axis on a joystick changes.
  • number joy: The ID of the joystick the event was fired for.
  • number id: The ID of the axis that changed.
  • number pos: The position of the axis, from -1.0 to 1.0.
• joystick_ball: Fired when a ball on a joystick changes.
  • number joy: The ID of the joystick the event was fired for.
  • number id: The ID of the ball that changed.
  • number x: The X position of the ball.
  • number y: The Y position of the ball.
• joystick_hat: Fired when a hat on a joystick changes.
  • number joy: The ID of the joystick the event was fired for.
  • number id: The ID of the hat that changed.
  • number x: -1 if left, 0 if center, 1 if right
  • number y: -1 if down, 0 if center, 1 if up

periphemu_lua

Allows you to register custom peripherals that call back to Lua functions.

Installation

Just drop the plugin file into plugins.

API

The periphemu_lua API contains a single function create to register a peripheral type. It takes the name of the peripheral (string), and a table with all of the methods of the peripheral. Each method takes a self argument in the beginning, which is an empty table that is unique to each peripheral instance, and can be used to store state for that peripheral.

A __new method may be added, which is called when the peripheral is attached, and takes self, the side of the peripheral, the type, and any arguments passed to periphemu.create. This can be used to set up the state of the peripheral before use.

While creating a peripheral registers it for all computers, it will not be usable on computers that have not called create first. In addition, registered peripherals may not be removed later, but their methods can be modified at any time by calling create again.

sound

Adds a number of programmable sound channels (default 4) that play sound waves with the specified frequency, wave type, volume, and pan position.

Installation

Just drop the plugin file into plugins.

Configuration

• number sound.numChannels: The number of channels available. Defaults to 4.

API

The sound API contains all the functions required to operate the sound generator.

• string getWaveType(number channel): Returns the type of wave used on a channel.
  • channel: The channel to check.
  • Returns: none for off, sine for sine, triangle for triangle, sawtooth for sawtooth, rsawtooth for reversed sawtooth, square for square, or noise for noise.
• number getFrequency(number channel): Returns the current frequency set on a channel.
  • channel: The channel to check.
  • Returns: The frequency for the channel, in Hertz.
• number getVolume(number channel): Returns the current volume set on a channel.
  • channel: The channel to check.
  • Returns: The volume for the channel, from 0.0 to 1.0.
• number getPan(number channel): Returns the current pan set on a channel.
  • channel: The channel to check.
  • Returns: The pan for the channel, from -1.0 (right) to 1.0 (left).
• void setWaveType(number channel, string waveType): Sets the type of wave used on a channel.
  • channel: The channel to set.
  • Returns: none for off, sine for sine, triangle for triangle, sawtooth for sawtooth, rsawtooth for reversed sawtooth, square for square, or noise for noise.
• void setFrequency(number channel, number frequency): Sets the current frequency set on a channel.
  • channel: The channel to set.
  • frequency: The frequency for the channel, in Hertz.
• void setVolume(number channel, number volume): Sets the current volume set on a channel.
  • channel: The channel to set.
  • volume: The volume for the channel, from 0.0 to 1.0.
• void setPan(number channel, number pan): Sets the current pan set on a channel.
  • channel: The channel to set.
  • pan: The pan for the channel, from -1.0 (right) to 1.0 (left).
• void fadeOut(number channel, number time): Fades out a channel over time.
  • channel: The channel to fade out.
  • time: The time to fade out for, in seconds. Set to 0 to stop any active fade out operation.