* File->Publish Level in the Level Editor opens the Publish window,
where you can embed custom doodads into your level and export a
portable .level file you can share with others.
* Currently does not actually export a level file yet.
* The dialog lists all unique doodad names in use in your level, and
designates which are built-ins and which are custom (paginated).
* A checkbox would let the user embed built-in doodads into their level,
as well, locking it in to those versions and not using updated
versions from future game releases.
UI Improvements:
* Added styling for a "Primary" UI button, rendered in deep blue.
* Pop-up modals (Alert, Confirm) color their Ok button as Primary.
* The Enter key pressed during an Alert or Confirm modal will invoke its
default button and close the modal, corresponding to its Primary
button.
* The developer console is now opened with the tilde/grave key ` instead
of the Enter key, so that the Enter key is free to click through
modals.
* In the "Open/Edit Drawing" window, a "Browse..." button is added to
the level and doodad sections, spawning a native File Open dialog to
pick a .level or .doodad outside the config root.
* Adds global modal support in the pkg/modal/ package. It has easy
Alert() and Confirm() methods to prompt the user before calling a
callback function on affirmative response.
* Modals have global app state: they're processed in the main loop in
pkg/doodle.go similar to the global command shell.
* When a modal is active, a semitransparent black frame covers the
screen (gameplay loop paused, last game frame rendered below) and the
modal window appears on top.
* The developer console retains higher priority than the modal system
and always renders on top.
* Editor Mode: track when the level pixels have been modified, and
confirm the user about unsaved changes when they attempt to close the
level (New, Open, Close, etc.)
* Global: the Escape key no longer immediately shuts down the game, but
will confirm the user's intent via a modal.
* File->Quit in the Editor Mode also invokes the confirm shutdown modal.
