69 lines
1.7 KiB
Lua
69 lines
1.7 KiB
Lua
local SAVE_GAME_BANK = 6
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local SAVE_GAME_MAGIC_VALUE_ADDRESS = 0
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local SAVE_GAME_MAGIC_VALUE = 0xCA
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--- Global game context.
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Context = {}
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--- Gets initial data for Context.
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-- @return table Initial context data.
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function Context.initial_data()
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return {
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current_menu_item = 1,
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splash_timer = Config.timing.splash_duration,
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popup = {
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show = false,
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content = {}
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},
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game_in_progress = false,
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minigame_ddr = Minigame.get_default_ddr(),
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minigame_button_mash = Minigame.get_default_button_mash(),
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minigame_rhythm = Minigame.get_default_rhythm(),
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meters = Meter.get_initial(),
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game = {
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current_screen = "home",
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current_situation = nil,
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}
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}
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end
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--- Resets game context to initial state.
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function Context.reset()
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local initial_data = Context.initial_data()
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for k in pairs(Context) do
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if type(Context[k]) ~= "function" then
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Context[k] = nil
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end
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end
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for k, v in pairs(initial_data) do
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Context[k] = v
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end
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end
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--- Starts a new game.
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function Context.new_game()
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Context.reset()
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Context.game_in_progress = true
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MenuWindow.refresh_menu_items()
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Screen.get_by_id(Context.game.current_screen).init()
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end
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--- Saves the current game state.
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function Context.save_game()
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if not Context.game_in_progress then return end
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mset(SAVE_GAME_MAGIC_VALUE, SAVE_GAME_MAGIC_VALUE_ADDRESS, SAVE_GAME_BANK)
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end
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--- Loads a saved game state.
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function Context.load_game()
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if mget(SAVE_GAME_MAGIC_VALUE_ADDRESS, SAVE_GAME_BANK) ~= SAVE_GAME_MAGIC_VALUE then
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Context.new_game()
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return
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end
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Context.reset()
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Context.game_in_progress = true
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MenuWindow.refresh_menu_items()
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Screen.get_by_id(Context.game.current_screen).init()
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end
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