Zsolt Tasnadi
787b6656b0
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33 lines
1.3 KiB
Lua
33 lines
1.3 KiB
Lua
local _screens = {}
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--- Registers a new screen definition with the Screen manager.
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-- Overwrites existing screen if an ID conflict occurs.
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-- @param screen_data table A table containing the screen definition.
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-- Must include an `id` field (string).
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-- Optional fields:
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-- - `situations` (table): A table of situation IDs allowed on this screen. Defaults to an empty table.
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-- - `init` (function): Function to execute once when the screen becomes active. Defaults to an empty function.
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-- - `update` (function): Function to execute each frame while the screen is active. Defaults to an empty function.
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function Screen.register(screen_data)
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if _screens[screen_data.id] then
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trace("Warning: Overwriting screen with id: " .. screen_data.id)
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end
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if not screen_data.situations then
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screen_data.situations = {}
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end
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if not screen_data.init then
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screen_data.init = function() end
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end
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if not screen_data.update then
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screen_data.update = function() end
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end
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_screens[screen_data.id] = screen_data
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end
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--- Retrieves a registered screen by its ID.
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-- @param screen_id string The ID of the screen to retrieve.
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-- @return table The screen table, or `nil` if not found.
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function Screen.get_by_id(screen_id)
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return _screens[screen_id]
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end
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