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Documentation Index

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Microwave Man is built with Godot 4.6 using GDScript and the GL Compatibility renderer, which targets a broad range of devices including mobile hardware. The project follows Godot’s standard scene-and-script architecture, where each gameplay system is a separate scene paired with a GDScript file. Understanding this layout is the fastest way to get oriented before making changes.

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File tree

The repository root contains the Godot project file, all scene and script pairs, asset directories, and tooling scripts. 
microwave-man/
├── .coderabbit.yaml           # CodeRabbit AI review configuration
├── .editorconfig              # Editor formatting rules
├── .gitattributes
├── .github/
│   └── workflows/
│       └── release.yml        # CI/CD: multi-platform export and GitHub Pages deploy
├── addons/
│   └── discord-rpc-gd/        # Discord RPC GDExtension plugin
├── assets/                    # Sprites, sounds, and other media
├── flathub/                   # Flathub packaging manifest files
├── screenshots/
├── about.gd / about.tscn      # About/credits screen
├── coin.gd / coin.tscn / coin_sfx.tscn
├── discord_rpc_loader.gd      # Autoload: Discord RPC callback runner
├── end.gd / end.tscn          # End-zone trigger
├── endcreen.gd / endcreen.tscn
├── export_presets.cfg         # Godot export configuration (all platforms)
├── game_state.gd              # Autoload: global signal bus
├── hud.gd / hud.tscn          # Heads-up display
├── icon.svg
├── main.gd / main.tscn        # Core gameplay scene
├── main_menu.gd / main_menu.tscn
├── player.gd / player.tscn    # Player character
├── project.godot              # Godot project settings
├── run.sh                     # Local web build and preview script
├── serve.py                   # Local HTTP server for web builds
├── setup.sh                   # Installs Godot and export templates (Linux)
├── tilemap.tscn               # Level tilemap
└── tilemapthingymabober.tres  # Tilemap resource

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Renderer and engine settings

The project targets Godot 4.6 with the GL Compatibility renderer. GL Compatibility is a lower-level OpenGL-based backend that runs on a wide range of hardware, including mobile devices and older GPUs, making it a good fit for a 2D arcade game that exports to Android, iOS, and Web. Texture filtering is set to nearest, which preserves pixel art crispness by preventing texture interpolation. The window is non-resizable, keeping the viewport dimensions fixed across all platforms.

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Scene and script breakdown

Each scene in the project has a paired GDScript file that handles its logic.
ScriptSceneRole
main_menu.gdmain_menu.tscnTitle screen; shows the game version, initializes Discord RPC, and routes the player to the main game or about screen
main.gdmain.tscnCore gameplay loop: score tracking, game timer, game_over, and new_game orchestration
player.gdplayer.tscnCharacterBody2D controlling player movement, gravity, jumping, and animations
hud.gdhud.tscnCanvasLayer displaying the score label, on-screen messages, and the start button
coin.gdcoin.tscn / coin_sfx.tscnArea2D that detects player overlap, plays a collection animation and sound, then removes itself
end.gdend.tscnArea2D that detects when the player reaches the end zone and transitions to endcreen.tscn
endcreen.gdendcreen.tscnEnd screen offering play again (emits the restart_game signal), main menu, or quit
about.gdabout.tscnAbout and credits screen; also displays the current version

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Autoloads

Godot autoloads are singletons loaded before any scene. Microwave Man registers two.

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GameState (game_state.gd)

GameState is the global signal bus. It exposes the restart_game signal, which endcreen.gd emits and main.gd listens to in order to reset the level without reloading the full scene tree.

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DiscordRPCWrapper (discord_rpc_loader.gd)

DiscordRPCWrapper runs Discord RPC callbacks each frame via _process. It is responsible for keeping the Discord Rich Presence connection alive and dispatching any queued callbacks from the GDExtension layer.

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Addons

The addons/discord-rpc-gd/ directory contains a prebuilt GDExtension that wraps the Discord Game SDK. It is registered as an editor plugin in project.godot via res://addons/discord-rpc-gd/plugin.cfg. The DiscordRPCWrapper autoload depends on this extension being present and enabled.

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Key gameplay constants

These values are defined in player.gd and control the core feel of the player character.
ConstantValueDescription
SPEED200Horizontal movement speed in pixels per second
JUMP_VELOCITY-350Initial vertical velocity applied on jump (negative = upward in Godot’s coordinate system)
GRAVITY980Downward acceleration applied each frame to simulate gravity
Godot’s Y axis points downward, so a negative JUMP_VELOCITY moves the player upward, and a positive GRAVITY pulls the player back down.

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Export targets

export_presets.cfg defines export configurations for all supported platforms: Android, iOS, Linux, macOS, Web, and Windows Desktop. The GitHub Actions workflow in .github/workflows/release.yml builds all of these automatically when a GitHub Release is created.

Building the project

Set up your local environment, run the game, and export to web or desktop.

Contributing

Fork the repo, open a pull request, and understand the code review process.

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