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defold-core

Build and debug the core of a Defold game in Lua: game.project settings, collections, game objects and components, script lifecycle and self state, go.property, input focus and bindings, URLs and message passing, factories, collection factories and collection proxies, plus building and smoke-running with Bob. Use when a project has game.project or .collection, .go, .script, .gui_script or .input_binding files, or the request mentions Defold, msg.post, on_message, on_input, acquire_input_focus, factory.create, collection proxy, bob.jar, or a Defold build error.

skills/other-engines/defold-core/SKILL.md

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# Defold Core

Structure, wire and verify a Defold game: editor resource files, the Lua script lifecycle,
addressing and messages, runtime spawning and world loading, and a Bob build-and-run check.
Examples target **Defold 1.14.0**; they were built with Bob 1.14.0 and run on the 1.14.0
headless engine. An existing project keeps its Defold version (see [Version](#version)).

## When to use

- Use when adding or fixing game objects, collections, scripts, input, messages, spawning or
  level loading in a Defold project (`game.project` in the root, `.collection`, `.go`,
  `.script`, `.gui_script` files), or when Bob reports a missing resource.

**When *not* to use:** plain Lua or LÖVE projects (`love2d-core`); GUI layout, sprites,
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