43 lines
1.9 KiB
Markdown
43 lines
1.9 KiB
Markdown
# Contributing to EffectCraft
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Thanks for helping. Please read [AGENTS.md](AGENTS.md) first: its rules on assets and clean-room
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work apply to everyone, people and AI agents alike, and they are not negotiable.
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## Setup
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You need [Rust](https://rustup.rs/) 1.95 or newer.
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```sh
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cargo run -p effectcraft # the desktop app, with the demo project
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cargo test --workspace
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cargo xtask ci # what every commit must pass
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```
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## Ground rules
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- **Clean room.** Work from After Effects' public documentation and its observable behaviour only.
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Never use Adobe artwork, presets or code, and never copy GPL/LGPL/AGPL code.
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- **Every asset is attributed.** Add a `.attribution` sidecar and an [ATTRIBUTION.md](ATTRIBUTION.md)
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row; `cargo xtask assets` checks it.
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- **Layering.** Nothing below the interface layer depends on UI or OS crates; see
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[docs/architecture.md](docs/architecture.md).
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- **Everything is a command.** New features are engine commands with an id, label, menu path,
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shortcut and parameters, so the UI, the CLI and the MCP server get them at once. Interactive
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widgets register an automation id.
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- **Tests with every change**, and green `cargo xtask ci` before every commit. One task per commit.
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## How to add…
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- **An effect:** add an `EffectSpec` in `crates/effects` (AE display name, category, parameters
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with AE's names, defaults and ranges) and its render function, with a determinism test and a
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behaviour test. If it reads the clock directly, add it to `TIME_DEPENDENT`.
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- **A command:** register it with `cmd!` in `crates/engine/src/commands/`, place it in the menu
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tree in `crates/engine/src/menus.rs`, and test it including undo.
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- **A panel or dialog:** `crates/ui-egui/src/panels/`; look at the result with the headless
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snapshot tool described in [docs/testing.md](docs/testing.md).
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## Talk to us
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Questions, ideas and bug reports are welcome on [Discord](https://discord.gg/artcraft) and in
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GitHub issues.
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