Editing Modding/Templates/UI Addon

__FORCETOC__
This mod template creates a custom UI overlay.

== Code ==
=== def.json ===
Content<syntaxhighlight lang="json">
{
    "id": "ModTemplateUIAddon",
    "name": "Mod Template UI Addon",
    "version_name": "1.0",
    "version_code": 1,
    "author": "The Desynced Team",
    "homepage": "https://www.desyncedgame.com/",
    "description": "Mod Template UI Addon",
    "packages": {
        "UI": {
            "name": "UI",
            "entry": "ui.lua",
            "dependencies": [ "Main/UI" ],
            "type": "Addon"
        }
    }
}
</syntaxhighlight>
=== ui.lua ===
Content<syntaxhighlight lang="lua">
local package = ...

-- define the layout of the widget
local ModSampleUI_layout<const> =
[[
	<Box dock=bottom padding=3>
		<Button text="Hello World" on_click={on_click_hello}/>
	</Box>
]]

-- register the widget layout
local ModSampleUI<const> = {}
UI.Register("ModSampleUI", ModSampleUI_layout, ModSampleUI)

-- called when the registered widget is created
function ModSampleUI:construct()
end

-- called when the button is clicked
function ModSampleUI:on_click_hello(btn)
	MessageBox("Hello World from the UI Sample")
end

-- called when the UI is being set up
function UIMsg.OnSetup()
	UI.AddLayout("ModSampleUI", 9)
end

-- called when mod is initializing
function package:init_ui()
end
</syntaxhighlight>

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